From 4054ed60df3fdb5816ce59388b4c291c570e0b8c Mon Sep 17 00:00:00 2001 From: Peter Breitenlohner Date: Mon, 30 Mar 2009 16:43:57 +0000 Subject: switch to libpng-1.2.35 and remove old version git-svn-id: svn://tug.org/texlive/trunk@12577 c570f23f-e606-0410-a88d-b1316a301751 --- Build/source/libs/libpng/configure | 26 +- Build/source/libs/libpng/configure.ac | 2 +- Build/source/libs/libpng/libpng-1.2.34/ANNOUNCE | 73 - Build/source/libs/libpng/libpng-1.2.34/CHANGES | 2316 --- Build/source/libs/libpng/libpng-1.2.34/INSTALL | 219 - Build/source/libs/libpng/libpng-1.2.34/KNOWNBUG | 22 - Build/source/libs/libpng/libpng-1.2.34/LICENSE | 109 - Build/source/libs/libpng/libpng-1.2.34/Makefile.am | 152 - Build/source/libs/libpng/libpng-1.2.34/Makefile.in | 1311 -- Build/source/libs/libpng/libpng-1.2.34/README | 267 - Build/source/libs/libpng/libpng-1.2.34/TODO | 24 - Build/source/libs/libpng/libpng-1.2.34/Y2KINFO | 55 - Build/source/libs/libpng/libpng-1.2.34/autogen.sh | 25 - 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Build/source/libs/libpng/libpng-1.2.34/scripts/pngw32.rc delete mode 100644 Build/source/libs/libpng/libpng-1.2.34/scripts/smakefile.ppc delete mode 100755 Build/source/libs/libpng/libpng-1.2.34/test-pngtest.sh (limited to 'Build/source/libs') diff --git a/Build/source/libs/libpng/configure b/Build/source/libs/libpng/configure index 3c6a64a92fc..6b6d663760c 100755 --- a/Build/source/libs/libpng/configure +++ b/Build/source/libs/libpng/configure @@ -1,6 +1,6 @@ #! /bin/sh # Guess values for system-dependent variables and create Makefiles. -# Generated by GNU Autoconf 2.63 for libpng for TeX Live 1.2.34. +# Generated by GNU Autoconf 2.63 for libpng for TeX Live 1.2.35. # # Report bugs to . # @@ -596,11 +596,11 @@ SHELL=${CONFIG_SHELL-/bin/sh} # Identity of this package. PACKAGE_NAME='libpng for TeX Live' PACKAGE_TARNAME='libpng-for-tex-live' -PACKAGE_VERSION='1.2.34' -PACKAGE_STRING='libpng for TeX Live 1.2.34' +PACKAGE_VERSION='1.2.35' +PACKAGE_STRING='libpng for TeX Live 1.2.35' PACKAGE_BUGREPORT='tex-k@tug.org' -ac_unique_file="libpng-1.2.34/pngget.c" +ac_unique_file="libpng-1.2.35/pngget.c" # Factoring default headers for most tests. ac_includes_default="\ #include @@ -1304,7 +1304,7 @@ if test "$ac_init_help" = "long"; then # Omit some internal or obsolete options to make the list less imposing. # This message is too long to be a string in the A/UX 3.1 sh. cat <<_ACEOF -\`configure' configures libpng for TeX Live 1.2.34 to adapt to many kinds of systems. +\`configure' configures libpng for TeX Live 1.2.35 to adapt to many kinds of systems. Usage: $0 [OPTION]... [VAR=VALUE]... @@ -1371,7 +1371,7 @@ fi if test -n "$ac_init_help"; then case $ac_init_help in - short | recursive ) echo "Configuration of libpng for TeX Live 1.2.34:";; + short | recursive ) echo "Configuration of libpng for TeX Live 1.2.35:";; esac cat <<\_ACEOF @@ -1468,7 +1468,7 @@ fi test -n "$ac_init_help" && exit $ac_status if $ac_init_version; then cat <<\_ACEOF -libpng for TeX Live configure 1.2.34 +libpng for TeX Live configure 1.2.35 generated by GNU Autoconf 2.63 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, @@ -1482,7 +1482,7 @@ cat >config.log <<_ACEOF This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. -It was created by libpng for TeX Live $as_me 1.2.34, which was +It was created by libpng for TeX Live $as_me 1.2.35, which was generated by GNU Autoconf 2.63. Invocation command line was $ $0 $@ @@ -2202,7 +2202,7 @@ fi # Define the identity of the package. PACKAGE='libpng-for-tex-live' - VERSION='1.2.34' + VERSION='1.2.35' cat >>confdefs.h <<_ACEOF @@ -2369,7 +2369,7 @@ fi PNGLIB_MAJOR=1 PNGLIB_MINOR=2 -PNGLIB_RELEASE=34 +PNGLIB_RELEASE=35 @@ -5243,7 +5243,7 @@ LIBS=$kpse_save_LIBS fi -LIBPNG_TREE=libpng-1.2.34 +LIBPNG_TREE=libpng-1.2.35 LIBPNG_DEFINES='-DPNG_CONFIGURE_LIBPNG -DPNG_NO_MMX_CODE' @@ -5702,7 +5702,7 @@ exec 6>&1 # report actual input values of CONFIG_FILES etc. instead of their # values after options handling. ac_log=" -This file was extended by libpng for TeX Live $as_me 1.2.34, which was +This file was extended by libpng for TeX Live $as_me 1.2.35, which was generated by GNU Autoconf 2.63. Invocation command line was CONFIG_FILES = $CONFIG_FILES @@ -5769,7 +5769,7 @@ Report bugs to ." _ACEOF cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 ac_cs_version="\\ -libpng for TeX Live config.status 1.2.34 +libpng for TeX Live config.status 1.2.35 configured by $0, generated by GNU Autoconf 2.63, with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\" diff --git a/Build/source/libs/libpng/configure.ac b/Build/source/libs/libpng/configure.ac index c4b0f2ac225..969d3f4b31b 100644 --- a/Build/source/libs/libpng/configure.ac +++ b/Build/source/libs/libpng/configure.ac @@ -8,7 +8,7 @@ dnl with or without modifications, as long as this notice is preserved. dnl m4_define([libpng_major], [1])[]dnl m4_define([libpng_minor], [2])[]dnl -m4_define([libpng_micro], [34])[]dnl using unmodified libpng-1.2.34 source tree +m4_define([libpng_micro], [35])[]dnl using unmodified libpng-1.2.34 source tree m4_define([libpng_version], libpng_major.libpng_minor.libpng_micro)[]dnl AC_INIT([libpng for TeX Live], libpng_version, [tex-k@tug.org]) AC_PREREQ([2.63]) diff --git a/Build/source/libs/libpng/libpng-1.2.34/ANNOUNCE b/Build/source/libs/libpng/libpng-1.2.34/ANNOUNCE deleted file mode 100644 index 9f1ef49321b..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/ANNOUNCE +++ /dev/null @@ -1,73 +0,0 @@ - -Libpng 1.2.34 - December 18, 2008 - -This is a public release of libpng, intended for use in production codes. - -Files available for download: - -Source files with LF line endings (for Unix/Linux) and with a -"configure" script - - libpng-1.2.34.tar.gz - libpng-1.2.34.tar.lzma - (Get the lzma codec from ). - libpng-1.2.34.tar.bz2 - -Source files with LF line endings (for Unix/Linux) without the -"configure" script - - libpng-1.2.34-no-config.tar.gz - libpng-1.2.34-no-config.tar.lzma - libpng-1.2.34-no-config.tar.bz2 - -Source files with CRLF line endings (for Windows), without the -"configure" script - - lpng1234.zip - lpng1234.7z - lpng1234.tar.bz2 - -Project files - - libpng-1.2.34-project-netware.zip - libpng-1.2.34-project-wince.zip - -Other information: - - libpng-1.2.34-README.txt - libpng-1.2.34-KNOWNBUGS.txt - libpng-1.2.34-LICENSE.txt - libpng-1.2.34-Y2K-compliance.txt - libpng-1.2.34-[previous version]-diff.txt - -Changes since the last public release (1.2.33): - -version 1.2.34 [December 18, 2008] - -version 1.2.34beta01 [December 18, 2008] - Revised png_warning() to write its message on standard output by default - when warning_fn is NULL. This was the behavior prior to libpng-1.2.9. - Fixed string vs pointer-to-string error in png_check_keyword(). - Added png_check_cHRM_fixed() in png.c and moved checking from pngget.c, - pngrutil.c, and pngwrite.c, and eliminated floating point cHRM checking. - Added check for zero-area RGB cHRM triange in png_check_cHRM_fixed(). - In png_check_cHRM_fixed(), ensure white_y is > 0, and removed redundant - check for all-zero coordinates that is detected by the triangle check. - Revised png_warning() to write its message on standard output by default - when warning_fn is NULL. - Corrected off-by-one error in bKGD validity check in png_write_bKGD() - and in png_handle_bKGD(). - Merged with png_debug from libpng-1.4.0 to remove newlines. - Removed redundant check for key==NULL before calling png_check_keyword() - to ensure that new_key gets initialized and removed extra warning - (Arvan Pritchard). - Added PNG_TRANSFORM_STRIP_FILLER_BEFORE and - PNG_TRANSFORM_STRIP_FILLER_AFTER conditionals and deprecated - PNG_TRANSFORM_STRIP_FILLER (Jim Barry). - -Send comments/corrections/commendations to png-mng-implement at lists.sf.net -(subscription required; visit -https://lists.sourceforge.net/lists/listinfo/png-mng-implement -to subscribe) or to glennrp at users.sourceforge.net - -Glenn R-P diff --git a/Build/source/libs/libpng/libpng-1.2.34/CHANGES b/Build/source/libs/libpng/libpng-1.2.34/CHANGES deleted file mode 100644 index ff6e69eb736..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/CHANGES +++ /dev/null @@ -1,2316 +0,0 @@ - -CHANGES - changes for libpng - -version 0.2 - added reader into png.h - fixed small problems in stub file - -version 0.3 - added pull reader - split up pngwrite.c to several files - added pnglib.txt - added example.c - cleaned up writer, adding a few new transformations - fixed some bugs in writer - interfaced with zlib 0.5 - added K&R support - added check for 64 KB blocks for 16 bit machines - -version 0.4 - cleaned up code and commented code - simplified time handling into png_time - created png_color_16 and png_color_8 to handle color needs - cleaned up color type defines - fixed various bugs - made various names more consistent - interfaced with zlib 0.71 - cleaned up zTXt reader and writer (using zlib's Reset functions) - split transformations into pngrtran.c and pngwtran.c - -version 0.5 - interfaced with zlib 0.8 - fixed many reading and writing bugs - saved using 3 spaces instead of tabs - -version 0.6 - added png_large_malloc() and png_large_free() - added png_size_t - cleaned up some compiler warnings - added png_start_read_image() - -version 0.7 - cleaned up lots of bugs - finished dithering and other stuff - added test program - changed name from pnglib to libpng - -version 0.71 [June, 1995] - changed pngtest.png for zlib 0.93 - fixed error in libpng.txt and example.c - -version 0.8 - cleaned up some bugs - added png_set_filler() - split up pngstub.c into pngmem.c, pngio.c, and pngerror.c - added #define's to remove unwanted code - moved png_info_init() to png.c - added old_size into png_realloc() - added functions to manually set filtering and compression info - changed compression parameters based on image type - optimized filter selection code - added version info - changed external functions passing floats to doubles (k&r problems?) - put all the configurable stuff in pngconf.h - enabled png_set_shift to work with paletted images on read - added png_read_update_info() - updates info structure with - transformations - -version 0.81 [August, 1995] - incorporated Tim Wegner's medium model code (thanks, Tim) - -version 0.82 [September, 1995] - [unspecified changes] - -version 0.85 [December, 1995] - added more medium model code (almost everything's a far) - added i/o, error, and memory callback functions - fixed some bugs (16 bit, 4 bit interlaced, etc.) - added first run progressive reader (barely tested) - -version 0.86 [January, 1996] - fixed bugs - improved documentation - -version 0.87 [January, 1996] - fixed medium model bugs - fixed other bugs introduced in 0.85 and 0.86 - added some minor documentation - -version 0.88 [January, 1996] - fixed progressive bugs - replaced tabs with spaces - cleaned up documentation - added callbacks for read/write and warning/error functions - -version 0.89 [July, 1996] - added new initialization API to make libpng work better with shared libs - we now have png_create_read_struct(), png_create_write_struct(), - png_create_info_struct(), png_destroy_read_struct(), and - png_destroy_write_struct() instead of the separate calls to - malloc and png_read_init(), png_info_init(), and png_write_init() - changed warning/error callback functions to fix bug - this means you - should use the new initialization API if you were using the old - png_set_message_fn() calls, and that the old API no longer exists - so that people are aware that they need to change their code - changed filter selection API to allow selection of multiple filters - since it didn't work in previous versions of libpng anyways - optimized filter selection code - fixed png_set_background() to allow using an arbitrary RGB color for - paletted images - fixed gamma and background correction for paletted images, so - png_correct_palette is not needed unless you are correcting an - external palette (you will need to #define PNG_CORRECT_PALETTE_SUPPORTED - in pngconf.h) - if nobody uses this, it may disappear in the future. - fixed bug with Borland 64K memory allocation (Alexander Lehmann) - fixed bug in interlace handling (Smarasderagd, I think) - added more error checking for writing and image to reduce invalid files - separated read and write functions so that they won't both be linked - into a binary when only reading or writing functionality is used - new pngtest image also has interlacing and zTXt - updated documentation to reflect new API - -version 0.90 [January, 1997] - made CRC errors/warnings on critical and ancillary chunks configurable - libpng will use the zlib CRC routines by (compile-time) default - changed DOS small/medium model memory support - needs zlib 1.04 (Tim Wegner) - added external C++ wrapper statements to png.h (Gilles Dauphin) - allow PNG file to be read when some or all of file signature has already - been read from the beginning of the stream. ****This affects the size - of info_struct and invalidates all programs that use a shared libpng**** - fixed png_filler() declarations - fixed? background color conversions - fixed order of error function pointers to match documentation - current chunk name is now available in png_struct to reduce the number - of nearly identical error messages (will simplify multi-lingual - support when available) - try to get ready for unknown-chunk callback functions: - - previously read critical chunks are flagged, so the chunk handling - routines can determine if the chunk is in the right place - - all chunk handling routines have the same prototypes, so we will - be able to handle all chunks via a callback mechanism - try to fix Linux "setjmp" buffer size problems - removed png_large_malloc, png_large_free, and png_realloc functions. - -version 0.95 [March, 1997] - fixed bug in pngwutil.c allocating "up_row" twice and "avg_row" never - fixed bug in PNG file signature compares when start != 0 - changed parameter type of png_set_filler(...filler...) from png_byte - to png_uint_32 - added test for MACOS to ensure that both math.h and fp.h are not #included - added macros for libpng to be compiled as a Windows DLL (Andreas Kupries) - added "packswap" transformation, which changes the endianness of - packed-pixel bytes (Kevin Bracey) - added "strip_alpha" transformation, which removes the alpha channel of - input images without using it (not necessarily a good idea) - added "swap_alpha" transformation, which puts the alpha channel in front - of the color bytes instead of after - removed all implicit variable tests which assume NULL == 0 (I think) - changed several variables to "png_size_t" to show 16/32-bit limitations - added new pCAL chunk read/write support - added experimental filter selection weighting (Greg Roelofs) - removed old png_set_rgbx() and png_set_xrgb() functions that have been - obsolete for about 2 years now (use png_set_filler() instead) - added macros to read 16- and 32-bit ints directly from buffer, to be - used only on those systems that support it (namely PowerPC and 680x0) - With some testing, this may become the default for MACOS/PPC systems. - only calculate CRC on data if we are going to use it - added macros for zTXt compression type PNG_zTXt_COMPRESSION_??? - added macros for simple libpng debugging output selectable at compile time - removed PNG_READ_END_MODE in progressive reader (Smarasderagd) - more description of info_struct in libpng.txt and png.h - more instructions in example.c - more chunk types tested in pngtest.c - renamed pngrcb.c to pngset.c, and all png_read_ functions to be - png_set_. We now have corresponding png_get_ - functions in pngget.c to get information in info_ptr. This isolates - the application from the internal organization of png_info_struct - (good for shared library implementations). - -version 0.96 [May, 1997] - fixed serious bug with < 8bpp images introduced in 0.95 - fixed 256-color transparency bug (Greg Roelofs) - fixed up documentation (Greg Roelofs, Laszlo Nyul) - fixed "error" in pngconf.h for Linux setjmp() behaviour - fixed DOS medium model support (Tim Wegner) - fixed png_check_keyword() for case with error in static string text - added read of CRC after IEND chunk for embedded PNGs (Laszlo Nyul) - added typecasts to quiet compiler errors - added more debugging info - -version 0.97 [January, 1998] - removed PNG_USE_OWN_CRC capability - relocated png_set_crc_action from pngrutil.c to pngrtran.c - fixed typecasts of "new_key", etc. (Andreas Dilger) - added RFC 1152 [sic] date support - fixed bug in gamma handling of 4-bit grayscale - added 2-bit grayscale gamma handling (Glenn R-P) - added more typecasts. 65536L becomes (png_uint_32)65536L, etc. (Glenn R-P) - minor corrections in libpng.txt - added simple sRGB support (Glenn R-P) - easier conditional compiling, e.g. define PNG_READ/WRITE_NOT_FULLY_SUPPORTED; - all configurable options can be selected from command-line instead - of having to edit pngconf.h (Glenn R-P) - fixed memory leak in pngwrite.c (free info_ptr->text) (Glenn R-P) - added more conditions for png_do_background, to avoid changing - black pixels to background when a background is supplied and - no pixels are transparent - repaired PNG_NO_STDIO behaviour - tested NODIV support and made it default behaviour (Greg Roelofs) - added "-m" option and PNGTEST_DEBUG_MEMORY to pngtest (John Bowler) - regularized version numbering scheme and bumped shared-library major - version number to 2 to avoid problems with libpng 0.89 apps (Greg Roelofs) - -version 0.98 [January, 1998] - cleaned up some typos in libpng.txt and in code documentation - fixed memory leaks in pCAL chunk processing (Glenn R-P and John Bowler) - cosmetic change "display_gamma" to "screen_gamma" in pngrtran.c - changed recommendation about file_gamma for PC images to .51 from .45, - in example.c and libpng.txt, added comments to distinguish between - screen_gamma, viewing_gamma, and display_gamma. - changed all references to RFC1152 to read RFC1123 and changed the - PNG_TIME_RFC1152_SUPPORTED macro to PNG_TIME_RFC1123_SUPPORTED - added png_invert_alpha capability (Glenn R-P -- suggestion by Jon Vincent) - changed srgb_intent from png_byte to int to avoid compiler bugs - -version 0.99 [January 30, 1998] - free info_ptr->text instead of end_info_ptr->text in pngread.c (John Bowler) - fixed a longstanding "packswap" bug in pngtrans.c - fixed some inconsistencies in pngconf.h that prevented compiling with - PNG_READ_GAMMA_SUPPORTED and PNG_READ_hIST_SUPPORTED undefined - fixed some typos and made other minor rearrangement of libpng.txt (Andreas) - changed recommendation about file_gamma for PC images to .50 from .51 in - example.c and libpng.txt, and changed file_gamma for sRGB images to .45 - added a number of functions to access information from the png structure - png_get_image_height(), etc. (Glenn R-P, suggestion by Brad Pettit) - added TARGET_MACOS similar to zlib-1.0.8 - define PNG_ALWAYS_EXTERN when __MWERKS__ && WIN32 are defined - added type casting to all png_malloc() function calls -version 0.99a [January 31, 1998] - Added type casts and parentheses to all returns that return a value.(Tim W.) -version 0.99b [February 4, 1998] - Added type cast png_uint_32 on malloc function calls where needed. - Changed type of num_hist from png_uint_32 to int (same as num_palette). - Added checks for rowbytes overflow, in case png_size_t is less than 32 bits. - Renamed makefile.elf to makefile.lnx. -version 0.99c [February 7, 1998] - More type casting. Removed erroneous overflow test in pngmem.c. - Added png_buffered_memcpy() and png_buffered_memset(), apply them to rowbytes. - Added UNIX manual pages libpng.3 (incorporating libpng.txt) and png.5. -version 0.99d [February 11, 1998] - Renamed "far_to_near()" "png_far_to_near()" - Revised libpng.3 - Version 99c "buffered" operations didn't work as intended. Replaced them - with png_memcpy_check() and png_memset_check(). - Added many "if (png_ptr == NULL) return" to quell compiler warnings about - unused png_ptr, mostly in pngget.c and pngset.c. - Check for overlength tRNS chunk present when indexed-color PLTE is read. - Cleaned up spelling errors in libpng.3/libpng.txt - Corrected a problem with png_get_tRNS() which returned undefined trans array -version 0.99e [February 28, 1998] - Corrected png_get_tRNS() again. - Add parentheses for easier reading of pngget.c, fixed "||" should be "&&". - Touched up example.c to make more of it compileable, although the entire - file still can't be compiled (Willem van Schaik) - Fixed a bug in png_do_shift() (Bryan Tsai) - Added a space in png.h prototype for png_write_chunk_start() - Replaced pngtest.png with one created with zlib 1.1.1 - Changed pngtest to report PASS even when file size is different (Jean-loup G.) - Corrected some logic errors in png_do_invert_alpha() (Chris Patterson) -version 0.99f [March 5, 1998] - Corrected a bug in pngpread() introduced in version 99c (Kevin Bracey) - Moved makefiles into a "scripts" directory, and added INSTALL instruction file - Added makefile.os2 and pngos2.def (A. Zabolotny) and makefile.s2x (W. Sebok) - Added pointers to "note on libpng versions" in makefile.lnx and README - Added row callback feature when reading and writing nonprogressive rows - and added a test of this feature in pngtest.c - Added user transform callbacks, with test of the feature in pngtest.c -version 0.99g [March 6, 1998, morning] - Minor changes to pngtest.c to suppress compiler warnings. - Removed "beta" language from documentation. -version 0.99h [March 6, 1998, evening] - Minor changes to previous minor changes to pngtest.c - Changed PNG_READ_NOT_FULLY_SUPPORTED to PNG_READ_TRANSFORMS_NOT_SUPPORTED - and added PNG_PROGRESSIVE_READ_NOT_SUPPORTED macro - Added user transform capability - -version 1.00 [March 7, 1998] - Changed several typedefs in pngrutil.c - Added makefile.wat (Pawel Mrochen), updated makefile.tc3 (Willem van Schaik) - replaced "while(1)" with "for(;;)" - added PNGARG() to prototypes in pngtest.c and removed some prototypes - updated some of the makefiles (Tom Lane) - changed some typedefs (s_start, etc.) in pngrutil.c - fixed dimensions of "short_months" array in pngwrite.c - Replaced ansi2knr.c with the one from jpeg-v6 - -version 1.0.0 [March 8, 1998] - Changed name from 1.00 to 1.0.0 (Adam Costello) - Added smakefile.ppc (with SCOPTIONS.ppc) for Amiga PPC (Andreas Kleinert) -version 1.0.0a [March 9, 1998] - Fixed three bugs in pngrtran.c to make gamma+background handling consistent - (Greg Roelofs) - Changed format of the PNG_LIBPNG_VER integer to xyyzz instead of xyz - for major, minor, and bugfix releases. This is 10001. (Adam Costello, - Tom Lane) - Make months range from 1-12 in png_convert_to_rfc1123 -version 1.0.0b [March 13, 1998] - Quieted compiler complaints about two empty "for" loops in pngrutil.c - Minor changes to makefile.s2x - Removed #ifdef/#endif around a png_free() in pngread.c - -version 1.0.1 [March 14, 1998] - Changed makefile.s2x to reduce security risk of using a relative pathname - Fixed some typos in the documentation (Greg). - Fixed a problem with value of "channels" returned by png_read_update_info() -version 1.0.1a [April 21, 1998] - Optimized Paeth calculations by replacing abs() function calls with intrinsics - plus other loop optimizations. Improves avg decoding speed by about 20%. - Commented out i386istic "align" compiler flags in makefile.lnx. - Reduced the default warning level in some makefiles, to make them consistent. - Removed references to IJG and JPEG in the ansi2knr.c copyright statement. - Fixed a bug in png_do_strip_filler with XXRRGGBB => RRGGBB transformation. - Added grayscale and 16-bit capability to png_do_read_filler(). - Fixed a bug in pngset.c, introduced in version 0.99c, that sets rowbytes - too large when writing an image with bit_depth < 8 (Bob Dellaca). - Corrected some bugs in the experimental weighted filtering heuristics. - Moved a misplaced pngrutil code block that truncates tRNS if it has more - than num_palette entries -- test was done before num_palette was defined. - Fixed a png_convert_to_rfc1123() bug that converts day 31 to 0 (Steve Eddins). - Changed compiler flags in makefile.wat for better optimization (Pawel Mrochen). -version 1.0.1b [May 2, 1998] - Relocated png_do_gray_to_rgb() within png_do_read_transformations() (Greg). - Relocated the png_composite macros from pngrtran.c to png.h (Greg). - Added makefile.sco (contributed by Mike Hopkirk). - Fixed two bugs (missing definitions of "istop") introduced in libpng-1.0.1a. - Fixed a bug in pngrtran.c that would set channels=5 under some circumstances. - More work on the Paeth-filtering, achieving imperceptible speedup (A Kleinert). - More work on loop optimization which may help when compiled with C++ compilers. - Added warnings when people try to use transforms they've defined out. - Collapsed 4 "i" and "c" loops into single "i" loops in pngrtran and pngwtran. - Revised paragraph about png_set_expand() in libpng.txt and libpng.3 (Greg) -version 1.0.1c [May 11, 1998] - Fixed a bug in pngrtran.c (introduced in libpng-1.0.1a) where the masks for - filler bytes should have been 0xff instead of 0xf. - Added max_pixel_depth=32 in pngrutil.c when using FILLER with palette images. - Moved PNG_WRITE_WEIGHTED_FILTER_SUPPORTED and PNG_WRITE_FLUSH_SUPPORTED - out of the PNG_WRITE_TRANSFORMS_NOT_SUPPORTED block of pngconf.h - Added "PNG_NO_WRITE_TRANSFORMS" etc., as alternatives for *_NOT_SUPPORTED, - for consistency, in pngconf.h - Added individual "ifndef PNG_NO_[CAPABILITY]" in pngconf.h to make it easier - to remove unwanted capabilities via the compile line - Made some corrections to grammar (which, it's) in documentation (Greg). - Corrected example.c, use of row_pointers in png_write_image(). -version 1.0.1d [May 24, 1998] - Corrected several statements that used side effects illegally in pngrutil.c - and pngtrans.c, that were introduced in version 1.0.1b - Revised png_read_rows() to avoid repeated if-testing for NULL (A Kleinert) - More corrections to example.c, use of row_pointers in png_write_image() - and png_read_rows(). - Added pngdll.mak and pngdef.pas to scripts directory, contributed by - Bob Dellaca, to make a png32bd.dll with Borland C++ 4.5 - Fixed error in example.c with png_set_text: num_text is 3, not 2 (Guido V.) - Changed several loops from count-down to count-up, for consistency. -version 1.0.1e [June 6, 1998] - Revised libpng.txt and libpng.3 description of png_set_read|write_fn(), and - added warnings when people try to set png_read_fn and png_write_fn in - the same structure. - Added a test such that png_do_gamma will be done when num_trans==0 - for truecolor images that have defined a background. This corrects an - error that was introduced in libpng-0.90 that can cause gamma processing - to be skipped. - Added tests in png.h to include "trans" and "trans_values" in structures - when PNG_READ_BACKGROUND_SUPPORTED or PNG_READ_EXPAND_SUPPORTED is defined. - Add png_free(png_ptr->time_buffer) in png_destroy_read_struct() - Moved png_convert_to_rfc_1123() from pngwrite.c to png.c - Added capability for user-provided malloc_fn() and free_fn() functions, - and revised pngtest.c to demonstrate their use, replacing the - PNGTEST_DEBUG_MEM feature. - Added makefile.w32, for Microsoft C++ 4.0 and later (Tim Wegner). - -version 1.0.2 [June 14, 1998] - Fixed two bugs in makefile.bor . -version 1.0.2a [December 30, 1998] - Replaced and extended code that was removed from png_set_filler() in 1.0.1a. - Fixed a bug in png_do_filler() that made it fail to write filler bytes in - the left-most pixel of each row (Kevin Bracey). - Changed "static pngcharp tIME_string" to "static char tIME_string[30]" - in pngtest.c (Duncan Simpson). - Fixed a bug in pngtest.c that caused pngtest to try to write a tIME chunk - even when no tIME chunk was present in the source file. - Fixed a problem in pngrutil.c: gray_to_rgb didn't always work with 16-bit. - Fixed a problem in png_read_push_finish_row(), which would not skip some - passes that it should skip, for images that are less than 3 pixels high. - Interchanged the order of calls to png_do_swap() and png_do_shift() - in pngwtran.c (John Cromer). - Added #ifdef PNG_DEBUG/#endif surrounding use of PNG_DEBUG in png.h . - Changed "bad adaptive filter type" from error to warning in pngrutil.c . - Fixed a documentation error about default filtering with 8-bit indexed-color. - Separated the PNG_NO_STDIO macro into PNG_NO_STDIO and PNG_NO_CONSOLE_IO - (L. Peter Deutsch). - Added png_set_rgb_to_gray() and png_get_rgb_to_gray_status() functions. - Added png_get_copyright() and png_get_header_version() functions. - Revised comments on png_set_progressive_read_fn() in libpng.txt and example.c - Added information about debugging in libpng.txt and libpng.3 . - Changed "ln -sf" to "ln -s -f" in makefile.s2x, makefile.lnx, and makefile.sco. - Removed lines after Dynamic Dependencies" in makefile.aco . - Revised makefile.dec to make a shared library (Jeremie Petit). - Removed trailing blanks from all files. -version 1.0.2a [January 6, 1999] - Removed misplaced #endif and #ifdef PNG_NO_EXTERN near the end of png.h - Added "if" tests to silence complaints about unused png_ptr in png.h and png.c - Changed "check_if_png" function in example.c to return true (nonzero) if PNG. - Changed libpng.txt to demonstrate png_sig_cmp() instead of png_check_sig() - which is obsolete. - -version 1.0.3 [January 14, 1999] - Added makefile.hux, for Hewlett Packard HPUX 10.20 and 11.00 (Jim Rice) - Added a statement of Y2K compliance in png.h, libpng.3, and Y2KINFO. -version 1.0.3a [August 12, 1999] - Added check for PNG_READ_INTERLACE_SUPPORTED in pngread.c; issue a warning - if an attempt is made to read an interlaced image when it's not supported. - Added check if png_ptr->trans is defined before freeing it in pngread.c - Modified the Y2K statement to include versions back to version 0.71 - Fixed a bug in the check for valid IHDR bit_depth/color_types in pngrutil.c - Modified makefile.wat (added -zp8 flag, ".symbolic", changed some comments) - Replaced leading blanks with tab characters in makefile.hux - Changed "dworkin.wustl.edu" to "ccrc.wustl.edu" in various documents. - Changed (float)red and (float)green to (double)red, (double)green - in png_set_rgb_to_gray() to avoid "promotion" problems in AIX. - Fixed a bug in pngconf.h that omitted when PNG_DEBUG==0 (K Bracey). - Reformatted libpng.3 and libpngpf.3 with proper fonts (script by J. vanZandt). - Updated documentation to refer to the PNG-1.2 specification. - Removed ansi2knr.c and left pointers to the latest source for ansi2knr.c - in makefile.knr, INSTALL, and README (L. Peter Deutsch) - Fixed bugs in calculation of the length of rowbytes when adding alpha - channels to 16-bit images, in pngrtran.c (Chris Nokleberg) - Added function png_set_user_transform_info() to store user_transform_ptr, - user_depth, and user_channels into the png_struct, and a function - png_get_user_transform_ptr() to retrieve the pointer (Chris Nokleberg) - Added function png_set_empty_plte_permitted() to make libpng useable - in MNG applications. - Corrected the typedef for png_free_ptr in png.h (Jesse Jones). - Correct gamma with srgb is 45455 instead of 45000 in pngrutil.c, to be - consistent with PNG-1.2, and allow variance of 500 before complaining. - Added assembler code contributed by Intel in file pngvcrd.c and modified - makefile.w32 to use it (Nirav Chhatrapati, INTEL Corporation, Gilles Vollant) - Changed "ln -s -f" to "ln -f -s" in the makefiles to make Solaris happy. - Added some aliases for png_set_expand() in pngrtran.c, namely - png_set_expand_PLTE(), png_set_expand_depth(), and png_set_expand_tRNS() - (Greg Roelofs, in "PNG: The Definitive Guide"). - Added makefile.beo for BEOS on X86, contributed by Sander Stok. -version 1.0.3b [August 26, 1999] - Replaced 2147483647L several places with PNG_MAX_UINT macro, defined in png.h - Changed leading blanks to tabs in all makefiles. - Define PNG_USE_PNGVCRD in makefile.w32, to get MMX assembler code. - Made alternate versions of png_set_expand() in pngrtran.c, namely - png_set_gray_1_2_4_to_8, png_set_palette_to_rgb, and png_set_tRNS_to_alpha - (Greg Roelofs, in "PNG: The Definitive Guide"). Deleted the 1.0.3a aliases. - Relocated start of 'extern "C"' block in png.h so it doesn't include pngconf.h - Revised calculation of num_blocks in pngmem.c to avoid a potentially - negative shift distance, whose results are undefined in the C language. - Added a check in pngset.c to prevent writing multiple tIME chunks. - Added a check in pngwrite.c to detect invalid small window_bits sizes. -version 1.0.3d [September 4, 1999] - Fixed type casting of igamma in pngrutil.c - Added new png_expand functions to scripts/pngdef.pas and pngos2.def - Added a demo read_user_transform_fn that examines the row filters in pngtest.c - -version 1.0.4 [September 24, 1999] - Define PNG_ALWAYS_EXTERN in pngconf.h if __STDC__ is defined - Delete #define PNG_INTERNAL and include "png.h" from pngasmrd.h - Made several minor corrections to pngtest.c - Renamed the makefiles with longer but more user friendly extensions. - Copied the PNG copyright and license to a separate LICENSE file. - Revised documentation, png.h, and example.c to remove reference to - "viewing_gamma" which no longer appears in the PNG specification. - Revised pngvcrd.c to use MMX code for interlacing only on the final pass. - Updated pngvcrd.c to use the faster C filter algorithms from libpng-1.0.1a - Split makefile.win32vc into two versions, makefile.vcawin32 (uses MMX - assembler code) and makefile.vcwin32 (doesn't). - Added a CPU timing report to pngtest.c (enabled by defining PNGTEST_TIMING) - Added a copy of pngnow.png to the distribution. -version 1.0.4a [September 25, 1999] - Increase max_pixel_depth in pngrutil.c if a user transform needs it. - Changed several division operations to right-shifts in pngvcrd.c -version 1.0.4b [September 30, 1999] - Added parentheses in line 3732 of pngvcrd.c - Added a comment in makefile.linux warning about buggy -O3 in pgcc 2.95.1 -version 1.0.4c [October 1, 1999] - Added a "png_check_version" function in png.c and pngtest.c that will generate - a helpful compiler error if an old png.h is found in the search path. - Changed type of png_user_transform_depth|channels from int to png_byte. -version 1.0.4d [October 6, 1999] - Changed 0.45 to 0.45455 in png_set_sRGB() - Removed unused PLTE entries from pngnow.png - Re-enabled some parts of pngvcrd.c (png_combine_row) that work properly. -version 1.0.4e [October 10, 1999] - Fixed sign error in pngvcrd.c (Greg Roelofs) - Replaced some instances of memcpy with simple assignments in pngvcrd (GR-P) -version 1.0.4f [October 15, 1999] - Surrounded example.c code with #if 0 .. #endif to prevent people from - inadvertently trying to compile it. - Changed png_get_header_version() from a function to a macro in png.h - Added type casting mostly in pngrtran.c and pngwtran.c - Removed some pointless "ptr = NULL" in pngmem.c - Added a "contrib" directory containing the source code from Greg's book. - -version 1.0.5 [October 15, 1999] - Minor editing of the INSTALL and README files. -version 1.0.5a [October 23, 1999] - Added contrib/pngsuite and contrib/pngminus (Willem van Schaik) - Fixed a typo in the png_set_sRGB() function call in example.c (Jan Nijtmans) - Further optimization and bugfix of pngvcrd.c - Revised pngset.c so that it does not allocate or free memory in the user's - text_ptr structure. Instead, it makes its own copy. - Created separate write_end_info_struct in pngtest.c for a more severe test. - Added code in pngwrite.c to free info_ptr->text[i].key to stop a memory leak. -version 1.0.5b [November 23, 1999] - Moved PNG_FLAG_HAVE_CHUNK_HEADER, PNG_FLAG_BACKGROUND_IS_GRAY and - PNG_FLAG_WROTE_tIME from flags to mode. - Added png_write_info_before_PLTE() function. - Fixed some typecasting in contrib/gregbook/*.c - Updated scripts/makevms.com and added makevms.com to contrib/gregbook - and contrib/pngminus (Martin Zinser) -version 1.0.5c [November 26, 1999] - Moved png_get_header_version from png.h to png.c, to accommodate ansi2knr. - Removed all global arrays (according to PNG_NO_GLOBAL_ARRAYS macro), to - accommodate making DLL's: Moved usr_png_ver from global variable to function - png_get_header_ver() in png.c. Moved png_sig to png_sig_bytes in png.c and - eliminated use of png_sig in pngwutil.c. Moved the various png_CHNK arrays - into pngtypes.h. Eliminated use of global png_pass arrays. Declared the - png_CHNK and png_pass arrays to be "const". Made the global arrays - available to applications (although none are used in libpng itself) when - PNG_NO_GLOBAL_ARRAYS is not defined or when PNG_GLOBAL_ARRAYS is defined. - Removed some extraneous "-I" from contrib/pngminus/makefile.std - Changed the PNG_sRGB_INTENT macros in png.h to be consistent with PNG-1.2. - Change PNG_SRGB_INTENT to PNG_sRGB_INTENT in libpng.txt and libpng.3 -version 1.0.5d [November 29, 1999] - Add type cast (png_const_charp) two places in png.c - Eliminated pngtypes.h; use macros instead to declare PNG_CHNK arrays. - Renamed "PNG_GLOBAL_ARRAYS" to "PNG_USE_GLOBAL_ARRAYS" and made available - to applications a macro "PNG_USE_LOCAL_ARRAYS". - #ifdef out all the new declarations when PNG_USE_GLOBAL_ARRAYS is defined. - Added PNG_EXPORT_VAR macro to accommodate making DLL's. -version 1.0.5e [November 30, 1999] - Added iCCP, iTXt, and sPLT support; added "lang" member to the png_text - structure; refactored the inflate/deflate support to make adding new chunks - with trailing compressed parts easier in the future, and added new functions - png_free_iCCP, png_free_pCAL, png_free_sPLT, png_free_text, png_get_iCCP, - png_get_spalettes, png_set_iCCP, png_set_spalettes (Eric S. Raymond). - NOTE: Applications that write text chunks MUST define png_text->lang - before calling png_set_text(). It must be set to NULL if you want to - write tEXt or zTXt chunks. If you want your application to be able to - run with older versions of libpng, use - - #ifdef PNG_iTXt_SUPPORTED - png_text[i].lang = NULL; - #endif - - Changed png_get_oFFs() and png_set_oFFs() to use signed rather than unsigned - offsets (Eric S. Raymond). - Combined PNG_READ_cHNK_SUPPORTED and PNG_WRITE_cHNK_SUPPORTED macros into - PNG_cHNK_SUPPORTED and combined the three types of PNG_text_SUPPORTED - macros, leaving the separate macros also available. - Removed comments on #endifs at the end of many short, non-nested #if-blocks. -version 1.0.5f [December 6, 1999] - Changed makefile.solaris to issue a warning about potential problems when - the ucb "ld" is in the path ahead of the ccs "ld". - Removed "- [date]" from the "synopsis" line in libpng.3 and libpngpf.3. - Added sCAL chunk support (Eric S. Raymond). -version 1.0.5g [December 7, 1999] - Fixed "png_free_spallettes" typo in png.h - Added code to handle new chunks in pngpread.c - Moved PNG_CHNK string macro definitions outside of PNG_NO_EXTERN block - Added "translated_key" to png_text structure and png_write_iTXt(). - Added code in pngwrite.c to work around a newly discovered zlib bug. -version 1.0.5h [December 10, 1999] - NOTE: regarding the note for version 1.0.5e, the following must also - be included in your code: - png_text[i].translated_key = NULL; - Unknown chunk handling is now supported. - Option to eliminate all floating point support was added. Some new - fixed-point functions such as png_set_gAMA_fixed() were added. - Expanded tabs and removed trailing blanks in source files. -version 1.0.5i [December 13, 1999] - Added some type casts to silence compiler warnings. - Renamed "png_free_spalette" to "png_free_spalettes" for consistency. - Removed leading blanks from a #define in pngvcrd.c - Added some parameters to the new png_set_keep_unknown_chunks() function. - Added a test for up->location != 0 in the first instance of writing - unknown chunks in pngwrite.c - Changed "num" to "i" in png_free_spalettes() and png_free_unknowns() to - prevent recursion. - Added png_free_hIST() function. - Various patches to fix bugs in the sCAL and integer cHRM processing, - and to add some convenience macros for use with sCAL. -version 1.0.5j [December 21, 1999] - Changed "unit" parameter of png_write_sCAL from png_byte to int, to work - around buggy compilers. - Added new type "png_fixed_point" for integers that hold float*100000 values - Restored backward compatibility of tEXt/zTXt chunk processing: - Restored the first four members of png_text to the same order as v.1.0.5d. - Added members "lang_key" and "itxt_length" to png_text struct. Set - text_length=0 when "text" contains iTXt data. Use the "compression" - member to distinguish among tEXt/zTXt/iTXt types. Added - PNG_ITXT_COMPRESSION_NONE (1) and PNG_ITXT_COMPRESSION_zTXt(2) macros. - The "Note" above, about backward incompatibility of libpng-1.0.5e, no - longer applies. - Fixed png_read|write_iTXt() to read|write parameters in the right order, - and to write the iTXt chunk after IDAT if it appears in the end_ptr. - Added pnggccrd.c, version of pngvcrd.c Intel assembler for gcc (Greg Roelofs) - Reversed the order of trying to write floating-point and fixed-point gAMA. -version 1.0.5k [December 27, 1999] - Added many parentheses, e.g., "if (a && b & c)" becomes "if (a && (b & c))" - Added png_handle_as_unknown() function (Glenn) - Added png_free_chunk_list() function and chunk_list and num_chunk_list members - of png_ptr. - Eliminated erroneous warnings about multiple sPLT chunks and sPLT-after-PLTE. - Fixed a libpng-1.0.5h bug in pngrutil.c that was issuing erroneous warnings - about ignoring incorrect gAMA with sRGB (gAMA was in fact not ignored) - Added png_free_tRNS(); png_set_tRNS() now malloc's its own trans array (ESR). - Define png_get_int_32 when oFFs chunk is supported as well as when pCAL is. - Changed type of proflen from png_int_32 to png_uint_32 in png_get_iCCP(). -version 1.0.5l [January 1, 2000] - Added functions png_set_read_user_chunk_fn() and png_get_user_chunk_ptr() - for setting a callback function to handle unknown chunks and for - retrieving the associated user pointer (Glenn). -version 1.0.5m [January 7, 2000] - Added high-level functions png_read_png(), png_write_png(), png_free_pixels(). -version 1.0.5n [January 9, 2000] - Added png_free_PLTE() function, and modified png_set_PLTE() to malloc its - own memory for info_ptr->palette. This makes it safe for the calling - application to free its copy of the palette any time after it calls - png_set_PLTE(). -version 1.0.5o [January 20, 2000] - Cosmetic changes only (removed some trailing blanks and TABs) -version 1.0.5p [January 31, 2000] - Renamed pngdll.mak to makefile.bd32 - Cosmetic changes in pngtest.c -version 1.0.5q [February 5, 2000] - Relocated the makefile.solaris warning about PATH problems. - Fixed pngvcrd.c bug by pushing/popping registers in mmxsupport (Bruce Oberg) - Revised makefile.gcmmx - Added PNG_SETJMP_SUPPORTED, PNG_SETJMP_NOT_SUPPORTED, and PNG_ABORT() macros -version 1.0.5r [February 7, 2000] - Removed superfluous prototype for png_get_itxt from png.h - Fixed a bug in pngrtran.c that improperly expanded the background color. - Return *num_text=0 from png_get_text() when appropriate, and fix documentation - of png_get_text() in libpng.txt/libpng.3. -version 1.0.5s [February 18, 2000] - Added "png_jmp_env()" macro to pngconf.h, to help people migrate to the - new error handler that's planned for the next libpng release, and changed - example.c, pngtest.c, and contrib programs to use this macro. - Revised some of the DLL-export macros in pngconf.h (Greg Roelofs) - Fixed a bug in png_read_png() that caused it to fail to expand some images - that it should have expanded. - Fixed some mistakes in the unused and undocumented INCH_CONVERSIONS functions - in pngget.c - Changed the allocation of palette, history, and trans arrays back to - the version 1.0.5 method (linking instead of copying) which restores - backward compatibility with version 1.0.5. Added some remarks about - that in example.c. Added "free_me" member to info_ptr and png_ptr - and added png_free_data() function. - Updated makefile.linux and makefile.gccmmx to make directories conditionally. - Made cosmetic changes to pngasmrd.h - Added png_set_rows() and png_get_rows(), for use with png_read|write_png(). - Modified png_read_png() to allocate info_ptr->row_pointers only if it - hasn't already been allocated. -version 1.0.5t [March 4, 2000] - Changed png_jmp_env() migration aiding macro to png_jmpbuf(). - Fixed "interlace" typo (should be "interlaced") in contrib/gregbook/read2-x.c - Fixed bug with use of PNG_BEFORE_IHDR bit in png_ptr->mode, introduced when - PNG_FLAG_HAVE_CHUNK_HEADER was moved into png_ptr->mode in version 1.0.5b - Files in contrib/gregbook were revised to use png_jmpbuf() and to select - a 24-bit visual if one is available, and to allow abbreviated options. - Files in contrib/pngminus were revised to use the png_jmpbuf() macro. - Removed spaces in makefile.linux and makefile.gcmmx, introduced in 1.0.5s -version 1.0.5u [March 5, 2000] - Simplified the code that detects old png.h in png.c and pngtest.c - Renamed png_spalette (_p, _pp) to png_sPLT_t (_tp, _tpp) - Increased precision of rgb_to_gray calculations from 8 to 15 bits and - added png_set_rgb_to_gray_fixed() function. - Added makefile.bc32 (32-bit Borland C++, C mode) -version 1.0.5v [March 11, 2000] - Added some parentheses to the png_jmpbuf macro definition. - Updated references to the zlib home page, which has moved to freesoftware.com. - Corrected bugs in documentation regarding png_read_row() and png_write_row(). - Updated documentation of png_rgb_to_gray calculations in libpng.3/libpng.txt. - Renamed makefile.borland,turboc3 back to makefile.bor,tc3 as in version 1.0.3, - revised borland makefiles; added makefile.ibmvac3 and makefile.gcc (Cosmin) - -version 1.0.6 [March 20, 2000] - Minor revisions of makefile.bor, libpng.txt, and gregbook/rpng2-win.c - Added makefile.sggcc (SGI IRIX with gcc) -version 1.0.6d [April 7, 2000] - Changed sprintf() to strcpy() in png_write_sCAL_s() to work without STDIO - Added data_length parameter to png_decompress_chunk() function - Revised documentation to remove reference to abandoned png_free_chnk functions - Fixed an error in png_rgb_to_gray_fixed() - Revised example.c, usage of png_destroy_write_struct(). - Renamed makefile.ibmvac3 to makefile.ibmc, added libpng.icc IBM project file - Added a check for info_ptr->free_me&PNG_FREE_TEXT when freeing text in png.c - Simplify png_sig_bytes() function to remove use of non-ISO-C strdup(). -version 1.0.6e [April 9, 2000] - Added png_data_freer() function. - In the code that checks for over-length tRNS chunks, added check of - info_ptr->num_trans as well as png_ptr->num_trans (Matthias Benckmann) - Minor revisions of libpng.txt/libpng.3. - Check for existing data and free it if the free_me flag is set, in png_set_*() - and png_handle_*(). - Only define PNG_WEIGHTED_FILTERS_SUPPORTED when PNG_FLOATING_POINT_SUPPORTED - is defined. - Changed several instances of PNG_NO_CONSOLE_ID to PNG_NO_STDIO in pngrutil.c - and mentioned the purposes of the two macros in libpng.txt/libpng.3. -version 1.0.6f [April 14, 2000] - Revised png_set_iCCP() and png_set_rows() to avoid prematurely freeing data. - Add checks in png_set_text() for NULL members of the input text structure. - Revised libpng.txt/libpng.3. - Removed superfluous prototype for png_set_itxt from png.h - Removed "else" from pngread.c, after png_error(), and changed "0" to "length". - Changed several png_errors about malformed ancillary chunks to png_warnings. -version 1.0.6g [April 24, 2000] - Added png_pass-* arrays to pnggccrd.c when PNG_USE_LOCAL_ARRAYS is defined. - Relocated paragraph about png_set_background() in libpng.3/libpng.txt - and other revisions (Matthias Benckmann) - Relocated info_ptr->free_me, png_ptr->free_me, and other info_ptr and - png_ptr members to restore binary compatibility with libpng-1.0.5 - (breaks compatibility with libpng-1.0.6). -version 1.0.6h [April 24, 2000] - Changed shared library so-number pattern from 2.x.y.z to xy.z (this builds - libpng.so.10 & libpng.so.10.6h instead of libpng.so.2 & libpng.so.2.1.0.6h) - This is a temporary change for test purposes. -version 1.0.6i [May 2, 2000] - Rearranged some members at the end of png_info and png_struct, to put - unknown_chunks_num and free_me within the original size of the png_structs - and free_me, png_read_user_fn, and png_free_fn within the original png_info, - because some old applications allocate the structs directly instead of - using png_create_*(). - Added documentation of user memory functions in libpng.txt/libpng.3 - Modified png_read_png so that it will use user_allocated row_pointers - if present, unless free_me directs that it be freed, and added description - of the use of png_set_rows() and png_get_rows() in libpng.txt/libpng.3. - Added PNG_LEGACY_SUPPORTED macro, and #ifdef out all new (since version - 1.00) members of png_struct and png_info, to regain binary compatibility - when you define this macro. Capabilities lost in this event - are user transforms (new in version 1.0.0),the user transform pointer - (new in version 1.0.2), rgb_to_gray (new in 1.0.5), iCCP, sCAL, sPLT, - the high-level interface, and unknown chunks support (all new in 1.0.6). - This was necessary because of old applications that allocate the structs - directly as authors were instructed to do in libpng-0.88 and earlier, - instead of using png_create_*(). - Added modes PNG_CREATED_READ_STRUCT and PNG_CREATED_WRITE_STRUCT which - can be used to detect codes that directly allocate the structs, and - code to check these modes in png_read_init() and png_write_init() and - generate a libpng error if the modes aren't set and PNG_LEGACY_SUPPORTED - was not defined. - Added makefile.intel and updated makefile.watcom (Pawel Mrochen) -version 1.0.6j [May 3, 2000] - Overloaded png_read_init() and png_write_init() with macros that convert - calls to png_read_init_2() or png_write_init_2() that check the version - and structure sizes. -version 1.0.7beta11 [May 7, 2000] - Removed the new PNG_CREATED_READ_STRUCT and PNG_CREATED_WRITE_STRUCT modes - which are no longer used. - Eliminated the three new members of png_text when PNG_LEGACY_SUPPORTED is - defined or when neither PNG_READ_iTXt_SUPPORTED nor PNG_WRITE_iTXT_SUPPORTED - is defined. - Made PNG_NO_READ|WRITE_iTXt the default setting, to avoid memory - overrun when old applications fill the info_ptr->text structure directly. - Added PNGAPI macro, and added it to the definitions of all exported functions. - Relocated version macro definitions ahead of the includes of zlib.h and - pngconf.h in png.h. -version 1.0.7beta12 [May 12, 2000] - Revised pngset.c to avoid a problem with expanding the png_debug macro. - Deleted some extraneous defines from pngconf.h - Made PNG_NO_CONSOLE_IO the default condition when PNG_BUILD_DLL is defined. - Use MSC _RPTn debugging instead of fprintf if _MSC_VER is defined. - Added png_access_version_number() function. - Check for mask&PNG_FREE_CHNK (for TEXT, SCAL, PCAL) in png_free_data(). - Expanded libpng.3/libpng.txt information about png_data_freer(). -version 1.0.7beta14 [May 17, 2000] (beta13 was not published) - Changed pnggccrd.c and pngvcrd.c to handle bad adaptive filter types as - warnings instead of errors, as pngrutil.c does. - Set the PNG_INFO_IDAT valid flag in png_set_rows() so png_write_png() - will actually write IDATs. - Made the default PNG_USE_LOCAL_ARRAYS depend on PNG_DLL instead of WIN32. - Make png_free_data() ignore its final parameter except when freeing data - that can have multiple instances (text, sPLT, unknowns). - Fixed a new bug in png_set_rows(). - Removed info_ptr->valid tests from png_free_data(), as in version 1.0.5. - Added png_set_invalid() function. - Fixed incorrect illustrations of png_destroy_write_struct() in example.c. -version 1.0.7beta15 [May 30, 2000] - Revised the deliberately erroneous Linux setjmp code in pngconf.h to produce - fewer error messages. - Rearranged checks for Z_OK to check the most likely path first in pngpread.c - and pngwutil.c. - Added checks in pngtest.c for png_create_*() returning NULL, and mentioned - in libpng.txt/libpng.3 the need for applications to check this. - Changed names of png_default_*() functions in pngtest to pngtest_*(). - Changed return type of png_get_x|y_offset_*() from png_uint_32 to png_int_32. - Fixed some bugs in the unused PNG_INCH_CONVERSIONS functions in pngget.c - Set each pointer to NULL after freeing it in png_free_data(). - Worked around a problem in pngconf.h; AIX's strings.h defines an "index" - macro that conflicts with libpng's png_color_16.index. (Dimitri Papadapoulos) - Added "msvc" directory with MSVC++ project files (Simon-Pierre Cadieux). -version 1.0.7beta16 [June 4, 2000] - Revised the workaround of AIX string.h "index" bug. - Added a check for overlength PLTE chunk in pngrutil.c. - Added PNG_NO_POINTER_INDEXING macro to use array-indexing instead of pointer - indexing in pngrutil.c and pngwutil.c to accommodate a buggy compiler. - Added a warning in png_decompress_chunk() when it runs out of data, e.g. - when it tries to read an erroneous PhotoShop iCCP chunk. - Added PNG_USE_DLL macro. - Revised the copyright/disclaimer/license notice. - Added contrib/msvctest directory -version 1.0.7rc1 [June 9, 2000] - Corrected the definition of PNG_TRANSFORM_INVERT_ALPHA (0x0400 not 0x0200) - Added contrib/visupng directory (Willem van Schaik) -version 1.0.7beta18 [June 23, 2000] - Revised PNGAPI definition, and pngvcrd.c to work with __GCC__ - and do not redefine PNGAPI if it is passed in via a compiler directive. - Revised visupng/PngFile.c to remove returns from within the Try block. - Removed leading underscores from "_PNG_H" and "_PNG_SAVE_BSD_SOURCE" macros. - Updated contrib/visupng/cexcept.h to version 1.0.0. - Fixed bugs in pngwrite.c and pngwutil.c that prevented writing iCCP chunks. -version 1.0.7rc2 [June 28, 2000] - Updated license to include disclaimers required by UCITA. - Fixed "DJBPP" typo in pnggccrd.c introduced in beta18. - -version 1.0.7 [July 1, 2000] - Revised the definition of "trans_values" in libpng.3/libpng.txt -version 1.0.8beta1 [July 8, 2000] - Added png_free(png_ptr, key) two places in pngpread.c to stop memory leaks. - Changed PNG_NO_STDIO to PNG_NO_CONSOLE_IO, several places in pngrutil.c and - pngwutil.c. - Changed PNG_EXPORT_VAR to use PNG_IMPEXP, in pngconf.h. - Removed unused "#include " from png.c - Added WindowsCE support. - Revised pnggccrd.c to work with gcc-2.95.2 and in the Cygwin environment. -version 1.0.8beta2 [July 10, 2000] - Added project files to the wince directory and made further revisions - of pngtest.c, pngrio.c, and pngwio.c in support of WindowsCE. -version 1.0.8beta3 [July 11, 2000] - Only set the PNG_FLAG_FREE_TRNS or PNG_FREE_TRNS flag in png_handle_tRNS() - for indexed-color input files to avoid potential double-freeing trans array - under some unusual conditions; problem was introduced in version 1.0.6f. - Further revisions to pngtest.c and files in the wince subdirectory. -version 1.0.8beta4 [July 14, 2000] - Added the files pngbar.png and pngbar.jpg to the distribution. - Added makefile.cygwin, and cygwin support in pngconf.h - Added PNG_NO_ZALLOC_ZERO macro (makes png_zalloc skip zeroing memory) -version 1.0.8rc1 [July 16, 2000] - Revised png_debug() macros and statements to eliminate compiler warnings. - -version 1.0.8 [July 24, 2000] - Added png_flush() in pngwrite.c, after png_write_IEND(). - Updated makefile.hpux to build a shared library. -version 1.0.9beta1 [November 10, 2000] - Fixed typo in scripts/makefile.hpux - Updated makevms.com in scripts and contrib/* and contrib/* (Martin Zinser) - Fixed seqence-point bug in contrib/pngminus/png2pnm (Martin Zinser) - Changed "cdrom.com" in documentation to "libpng.org" - Revised pnggccrd.c to get it all working, and updated makefile.gcmmx (Greg). - Changed type of "params" from voidp to png_voidp in png_read|write_png(). - Make sure PNGAPI and PNG_IMPEXP are defined in pngconf.h. - Revised the 3 instances of WRITEFILE in pngtest.c. - Relocated "msvc" and "wince" project subdirectories into "dll" subdirectory. - Updated png.rc in dll/msvc project - Revised makefile.dec to define and use LIBPATH and INCPATH - Increased size of global png_libpng_ver[] array from 12 to 18 chars. - Made global png_libpng_ver[], png_sig[] and png_pass_*[] arrays const. - Removed duplicate png_crc_finish() from png_handle_bKGD() function. - Added a warning when application calls png_read_update_info() multiple times. - Revised makefile.cygwin - Fixed bugs in iCCP support in pngrutil.c and pngwutil.c. - Replaced png_set_empty_plte_permitted() with png_permit_mng_features(). -version 1.0.9beta2 [November 19, 2000] - Renamed the "dll" subdirectory "projects". - Added borland project files to "projects" subdirectory. - Set VS_FF_PRERELEASE and VS_FF_PATCHED flags in msvc/png.rc when appropriate. - Add error message in png_set_compression_buffer_size() when malloc fails. -version 1.0.9beta3 [November 23, 2000] - Revised PNG_LIBPNG_BUILD_TYPE macro in png.h, used in the msvc project. - Removed the png_flush() in pngwrite.c that crashes some applications - that don't set png_output_flush_fn. - Added makefile.macosx and makefile.aix to scripts directory. -version 1.0.9beta4 [December 1, 2000] - Change png_chunk_warning to png_warning in png_check_keyword(). - Increased the first part of msg buffer from 16 to 18 in png_chunk_error(). -version 1.0.9beta5 [December 15, 2000] - Added support for filter method 64 (for PNG datastreams embedded in MNG). -version 1.0.9beta6 [December 18, 2000] - Revised png_set_filter() to accept filter method 64 when appropriate. - Added new PNG_HAVE_PNG_SIGNATURE bit to png_ptr->mode and use it to - help prevent applications from using MNG features in PNG datastreams. - Added png_permit_mng_features() function. - Revised libpng.3/libpng.txt. Changed "filter type" to "filter method". -version 1.0.9rc1 [December 23, 2000] - Revised test for PNG_HAVE_PNG_SIGNATURE in pngrutil.c - Fixed error handling of unknown compression type in png_decompress_chunk(). - In pngconf.h, define __cdecl when _MSC_VER is defined. -version 1.0.9beta7 [December 28, 2000] - Changed PNG_TEXT_COMPRESSION_zTXt to PNG_COMPRESSION_TYPE_BASE several places. - Revised memory management in png_set_hIST and png_handle_hIST in a backward - compatible manner. PLTE and tRNS were revised similarly. - Revised the iCCP chunk reader to ignore trailing garbage. -version 1.0.9beta8 [January 12, 2001] - Moved pngasmrd.h into pngconf.h. - Improved handling of out-of-spec garbage iCCP chunks generated by PhotoShop. -version 1.0.9beta9 [January 15, 2001] - Added png_set_invalid, png_permit_mng_features, and png_mmx_supported to - wince and msvc project module definition files. - Minor revision of makefile.cygwin. - Fixed bug with progressive reading of narrow interlaced images in pngpread.c -version 1.0.9beta10 [January 16, 2001] - Do not typedef png_FILE_p in pngconf.h when PNG_NO_STDIO is defined. - Fixed "png_mmx_supported" typo in project definition files. -version 1.0.9beta11 [January 19, 2001] - Updated makefile.sgi to make shared library. - Removed png_mmx_support() function and disabled PNG_MNG_FEATURES_SUPPORTED - by default, for the benefit of DLL forward compatibility. These will - be re-enabled in version 1.2.0. -version 1.0.9rc2 [January 22, 2001] - Revised cygwin support. - -version 1.0.9 [January 31, 2001] - Added check of cygwin's ALL_STATIC in pngconf.h - Added "-nommx" parameter to contrib/gregbook/rpng2-win and rpng2-x demos. -version 1.0.10beta1 [March 14, 2001] - Revised makefile.dec, makefile.sgi, and makefile.sggcc; added makefile.hpgcc. - Reformatted libpng.3 to eliminate bad line breaks. - Added checks for _mmx_supported in the read_filter_row function of pnggccrd.c - Added prototype for png_mmx_support() near the top of pnggccrd.c - Moved some error checking from png_handle_IHDR to png_set_IHDR. - Added PNG_NO_READ_SUPPORTED and PNG_NO_WRITE_SUPPORTED macros. - Revised png_mmx_support() function in pnggccrd.c - Restored version 1.0.8 PNG_WRITE_EMPTY_PLTE_SUPPORTED behavior in pngwutil.c - Fixed memory leak in contrib/visupng/PngFile.c - Fixed bugs in png_combine_row() in pnggccrd.c and pngvcrd.c (C version) - Added warnings when retrieving or setting gamma=0. - Increased the first part of msg buffer from 16 to 18 in png_chunk_warning(). -version 1.0.10rc1 [March 23, 2001] - Changed all instances of memcpy, strcpy, and strlen to png_memcpy, png_strcpy, - and png_strlen. - Revised png_mmx_supported() function in pnggccrd.c to return proper value. - Fixed bug in progressive reading (pngpread.c) with small images (height < 8). - -version 1.0.10 [March 30, 2001] - Deleted extraneous space (introduced in 1.0.9) from line 42 of makefile.cygwin - Added beos project files (Chris Herborth) -version 1.0.11beta1 [April 3, 2001] - Added type casts on several png_malloc() calls (Dimitri Papadapoulos). - Removed a no-longer needed AIX work-around from pngconf.h - Changed several "//" single-line comments to C-style in pnggccrd.c -version 1.0.11beta2 [April 11, 2001] - Removed PNGAPI from several functions whose prototypes did not have PNGAPI. - Updated scripts/pngos2.def -version 1.0.11beta3 [April 14, 2001] - Added checking the results of many instances of png_malloc() for NULL -version 1.0.11beta4 [April 20, 2001] - Undid the changes from version 1.0.11beta3. Added a check for NULL return - from user's malloc_fn(). - Removed some useless type casts of the NULL pointer. - Added makefile.netbsd - -version 1.0.11 [April 27, 2001] - Revised makefile.netbsd -version 1.0.12beta1 [May 14, 2001] - Test for Windows platform in pngconf.h when including malloc.h (Emmanuel Blot) - Updated makefile.cygwin and handling of Cygwin's ALL_STATIC in pngconf.h - Added some never-to-be-executed code in pnggccrd.c to quiet compiler warnings. - Eliminated the png_error about apps using png_read|write_init(). Instead, - libpng will reallocate the png_struct and info_struct if they are too small. - This retains future binary compatibility for old applications written for - libpng-0.88 and earlier. -version 1.2.0beta1 [May 6, 2001] - Bumped DLLNUM to 2. - Re-enabled PNG_MNG_FEATURES_SUPPORTED and enabled PNG_ASSEMBLER_CODE_SUPPORTED - by default. - Added runtime selection of MMX features. - Added png_set_strip_error_numbers function and related macros. -version 1.2.0beta2 [May 7, 2001] - Finished merging 1.2.0beta1 with version 1.0.11 - Added a check for attempts to read or write PLTE in grayscale PNG datastreams. -version 1.2.0beta3 [May 17, 2001] - Enabled user memory function by default. - Modified png_create_struct so it passes user mem_ptr to user memory allocator. - Increased png_mng_features flag from png_byte to png_uint_32. - Bumped shared-library (so-number) and dll-number to 3. -version 1.2.0beta4 [June 23, 2001] - Check for missing profile length field in iCCP chunk and free chunk_data - in case of truncated iCCP chunk. - Bumped shared-library number to 3 in makefile.sgi and makefile.sggcc - Bumped dll-number from 2 to 3 in makefile.cygwin - Revised contrib/gregbook/rpng*-x.c to avoid a memory leak and to exit cleanly - if user attempts to run it on an 8-bit display. - Updated contrib/gregbook - Use png_malloc instead of png_zalloc to allocate palette in pngset.c - Updated makefile.ibmc - Added some typecasts to eliminate gcc 3.0 warnings. Changed prototypes - of png_write_oFFS width and height from png_uint_32 to png_int_32. - Updated example.c - Revised prototypes for png_debug_malloc and png_debug_free in pngtest.c -version 1.2.0beta5 [August 8, 2001] - Revised contrib/gregbook - Revised makefile.gcmmx - Revised pnggccrd.c to conditionally compile some thread-unsafe code only - when PNG_THREAD_UNSAFE_OK is defined. - Added tests to prevent pngwutil.c from writing a bKGD or tRNS chunk with - value exceeding 2^bit_depth-1 - Revised makefile.sgi and makefile.sggcc - Replaced calls to fprintf(stderr,...) with png_warning() in pnggccrd.c - Removed restriction that do_invert_mono only operate on 1-bit opaque files - -version 1.2.0 [September 1, 2001] - Changed a png_warning() to png_debug() in pnggccrd.c - Fixed contrib/gregbook/rpng-x.c, rpng2-x.c to avoid crash with XFreeGC(). -version 1.2.1beta1 [October 19, 2001] - Revised makefile.std in contrib/pngminus - Include background_1 in png_struct regardless of gamma support. - Revised makefile.netbsd and makefile.macosx, added makefile.darwin. - Revised example.c to provide more details about using row_callback(). -version 1.2.1beta2 [October 25, 2001] - Added type cast to each NULL appearing in a function call, except for - WINCE functions. - Added makefile.so9. -version 1.2.1beta3 [October 27, 2001] - Removed type casts from all NULLs. - Simplified png_create_struct_2(). -version 1.2.1beta4 [November 7, 2001] - Revised png_create_info_struct() and png_creat_struct_2(). - Added error message if png_write_info() was omitted. - Type cast NULLs appearing in function calls when _NO_PROTO or - PNG_TYPECAST_NULL is defined. -version 1.2.1rc1 [November 24, 2001] - Type cast NULLs appearing in function calls except when PNG_NO_TYPECAST_NULL - is defined. - Changed typecast of "size" argument to png_size_t in pngmem.c calls to - the user malloc_fn, to agree with the prototype in png.h - Added a pop/push operation to pnggccrd.c, to preserve Eflag (Maxim Sobolev) - Updated makefile.sgi to recognize LIBPATH and INCPATH. - Updated various makefiles so "make clean" does not remove previous major - version of the shared library. -version 1.2.1rc2 [December 4, 2001] - Always allocate 256-entry internal palette, hist, and trans arrays, to - avoid out-of-bounds memory reference caused by invalid PNG datastreams. - Added a check for prefix_length > data_length in iCCP chunk handler. - -version 1.2.1 [December 7, 2001] - None. -version 1.2.2beta1 [February 22, 2002] - Fixed a bug with reading the length of iCCP profiles (Larry Reeves). - Revised makefile.linux, makefile.gcmmx, and makefile.sgi to generate - libpng.a, libpng12.so (not libpng.so.3), and libpng12/png.h - Revised makefile.darwin to remove "-undefined suppress" option. - Added checks for gamma and chromaticity values over 21474.83, which exceed - the limit for PNG unsigned 32-bit integers when encoded. - Revised calls to png_create_read_struct() and png_create_write_struct() - for simpler debugging. - Revised png_zalloc() so zlib handles errors (uses PNG_FLAG_MALLOC_NULL_MEM_OK) -version 1.2.2beta2 [February 23, 2002] - Check chunk_length and idat_size for invalid (over PNG_MAX_UINT) lengths. - Check for invalid image dimensions in png_get_IHDR. - Added missing "fi;" in the install target of the SGI makefiles. - Added install-static to all makefiles that make shared libraries. - Always do gamma compensation when image is partially transparent. -version 1.2.2beta3 [March 7, 2002] - Compute background.gray and background_1.gray even when color_type is RGB - in case image gets reduced to gray later. - Modified shared-library makefiles to install pkgconfig/libpngNN.pc. - Export (with PNGAPI) png_zalloc, png_zfree, and png_handle_as_unknown - Removed unused png_write_destroy_info prototype from png.h - Eliminated incorrect use of width_mmx from pnggccrd.c in pixel_bytes == 8 case - Added install-shared target to all makefiles that make shared libraries. - Stopped a double free of palette, hist, and trans when not using free_me. - Added makefile.32sunu for Sun Ultra 32 and makefile.64sunu for Sun Ultra 64. -version 1.2.2beta4 [March 8, 2002] - Compute background.gray and background_1.gray even when color_type is RGB - in case image gets reduced to gray later (Jason Summers). - Relocated a misplaced /bin/rm in the "install-shared" makefile targets - Added PNG_1_0_X macro which can be used to build a 1.0.x-compatible library. -version 1.2.2beta5 [March 26, 2002] - Added missing PNGAPI to several function definitions. - Check for invalid bit_depth or color_type in png_get_IHDR(), and - check for missing PLTE or IHDR in png_push_read_chunk() (Matthias Clasen). - Revised iTXt support to accept NULL for lang and lang_key. - Compute gamma for color components of background even when color_type is gray. - Changed "()" to "{}" in scripts/libpng.pc.in. - Revised makefiles to put png.h and pngconf.h only in $prefix/include/libpngNN - Revised makefiles to make symlink to libpng.so.NN in addition to libpngNN.so -version 1.2.2beta6 [March 31, 2002] -version 1.0.13beta1 [March 31, 2002] - Prevent png_zalloc() from trying to memset memory that it failed to acquire. - Add typecasts of PNG_MAX_UINT in pngset_cHRM_fixed() (Matt Holgate). - Ensure that the right function (user or default) is used to free the - png_struct after an error in png_create_read_struct_2(). -version 1.2.2rc1 [April 7, 2002] -version 1.0.13rc1 [April 7, 2002] - Save the ebx register in pnggccrd.c (Sami Farin) - Add "mem_ptr = png_ptr->mem_ptr" in png_destroy_write_struct() (Paul Gardner). - Updated makefiles to put headers in include/libpng and remove old include/*.h. - -version 1.2.2 [April 15, 2002] -version 1.0.13 [April 15, 2002] - Revised description of png_set_filter() in libpng.3/libpng.txt. - Revised makefile.netbsd and added makefile.neNNbsd and makefile.freebsd -version 1.0.13patch01 [April 17, 2002] -version 1.2.2patch01 [April 17, 2002] - Changed ${PNGMAJ}.${PNGVER} bug to ${PNGVER} in makefile.sgi and makefile.sggcc - Fixed VER -> PNGVER typo in makefile.macosx and added install-static to install - Added install: target to makefile.32sunu and makefile.64sunu -version 1.0.13patch03 [April 18, 2002] -version 1.2.2patch03 [April 18, 2002] - Revised 15 makefiles to link libpng.a to libpngNN.a and the include libpng - subdirectory to libpngNN subdirectory without the full pathname. - Moved generation of libpng.pc from "install" to "all" in 15 makefiles. -version 1.2.3rc1 [April 28, 2002] - Added install-man target to 15 makefiles (Dimitri Papadopolous-Orfanos). - Added $(DESTDIR) feature to 24 makefiles (Tim Mooney) - Fixed bug with $prefix, should be $(prefix) in makefile.hpux. - Updated cygwin-specific portion of pngconf.h and revised makefile.cygwin - Added a link from libpngNN.pc to libpng.pc in 15 makefiles. - Added links from include/libpngNN/*.h to include/*.h in 24 makefiles. - Revised makefile.darwin to make relative links without full pathname. - Added setjmp() at the end of png_create_*_struct_2() in case user forgets - to put one in their application. - Restored png_zalloc() and png_zfree() prototypes to version 1.2.1 and - removed them from module definition files. -version 1.2.3rc2 [May 1, 2002] - Fixed bug in reporting number of channels in pngget.c and pngset.c, - that was introduced in version 1.2.2beta5. - Exported png_zalloc(), png_zfree(), png_default_read(), png_default_write(), - png_default_flush(), and png_push_fill_buffer() and included them in - module definition files. - Added "libpng.pc" dependency to the "install-shared" target in 15 makefiles. -version 1.2.3rc3 [May 1, 2002] - Revised prototype for png_default_flush() - Remove old libpng.pc and libpngNN.pc before installing new ones. -version 1.2.3rc4 [May 2, 2002] - Typos in *.def files (png_default_read|write -> png_default_read|write_data) - In makefiles, changed rm libpng.NN.pc to rm libpngNN.pc - Added libpng-config and libpngNN-config and modified makefiles to install them. - Changed $(MANPATH) to $(DESTDIR)$(MANPATH) in makefiles - Added "Win32 DLL VB" configuration to projects/msvc/libpng.dsp -version 1.2.3rc5 [May 11, 2002] - Changed "error" and "message" in prototypes to "error_message" and - "warning_message" to avoid namespace conflict. - Revised 15 makefiles to build libpng-config from libpng-config-*.in - Once more restored png_zalloc and png_zfree to regular nonexported form. - Restored png_default_read|write_data, png_default_flush, png_read_fill_buffer - to nonexported form, but with PNGAPI, and removed them from module def files. -version 1.2.3rc6 [May 14, 2002] - Removed "PNGAPI" from png_zalloc() and png_zfree() in png.c - Changed "Gz" to "Gd" in projects/msvc/libpng.dsp and zlib.dsp. - Removed leftover libpng-config "sed" script from four makefiles. - Revised libpng-config creating script in 16 makefiles. - -version 1.2.3 [May 22, 2002] - Revised libpng-config target in makefile.cygwin. - Removed description of png_set_mem_fn() from documentation. - Revised makefile.freebsd. - Minor cosmetic changes to 15 makefiles, e.g., $(DI) = $(DESTDIR)/$(INCDIR). - Revised projects/msvc/README.txt - Changed -lpng to -lpngNN in LDFLAGS in several makefiles. -version 1.2.4beta1 [May 24, 2002] - Added libpng.pc and libpng-config to "all:" target in 16 makefiles. - Fixed bug in 16 makefiles: $(DESTDIR)/$(LIBPATH) to $(DESTDIR)$(LIBPATH) - Added missing "\" before closing double quote in makefile.gcmmx. - Plugged various memory leaks; added png_malloc_warn() and png_set_text_2() - functions. -version 1.2.4beta2 [June 25, 2002] - Plugged memory leak of png_ptr->current_text (Matt Holgate). - Check for buffer overflow before reading CRC in pngpread.c (Warwick Allison) - Added -soname to the loader flags in makefile.dec, makefile.sgi, and - makefile.sggcc. - Added "test-installed" target to makefile.linux, makefile.gcmmx, - makefile.sgi, and makefile.sggcc. -version 1.2.4beta3 [June 28, 2002] - Plugged memory leak of row_buf in pngtest.c when there is a png_error(). - Detect buffer overflow in pngpread.c when IDAT is corrupted with extra data. - Added "test-installed" target to makefile.32sunu, makefile.64sunu, - makefile.beos, makefile.darwin, makefile.dec, makefile.macosx, - makefile.solaris, makefile.hpux, makefile.hpgcc, and makefile.so9. -version 1.2.4rc1 and 1.0.14rc1 [July 2, 2002] - Added "test-installed" target to makefile.cygwin and makefile.sco. - Revised pnggccrd.c to be able to back out version 1.0.x via PNG_1_0_X macro. - -version 1.2.4 and 1.0.14 [July 8, 2002] - Changed png_warning() to png_error() when width is too large to process. -version 1.2.4patch01 [July 20, 2002] - Revised makefile.cygwin to use DLL number 12 instead of 13. -version 1.2.5beta1 [August 6, 2002] - Added code to contrib/gregbook/readpng2.c to ignore unused chunks. - Replaced toucan.png in contrib/gregbook (it has been corrupt since 1.0.11) - Removed some stray *.o files from contrib/gregbook. - Changed png_error() to png_warning() about "Too much data" in pngpread.c - and about "Extra compressed data" in pngrutil.c. - Prevent png_ptr->pass from exceeding 7 in png_push_finish_row(). - Updated makefile.hpgcc - Updated png.c and pnggccrd.c handling of return from png_mmx_support() -version 1.2.5beta2 [August 15, 2002] - Only issue png_warning() about "Too much data" in pngpread.c when avail_in - is nonzero. - Updated makefiles to install a separate libpng.so.3 with its own rpath. -version 1.2.5rc1 and 1.0.15rc1 [August 24, 2002] - Revised makefiles to not remove previous minor versions of shared libraries. -version 1.2.5rc2 and 1.0.15rc2 [September 16, 2002] - Revised 13 makefiles to remove "-lz" and "-L$(ZLIBLIB)", etc., from shared - library loader directive. - Added missing "$OBJSDLL" line to makefile.gcmmx. - Added missing "; fi" to makefile.32sunu. -version 1.2.5rc3 and 1.0.15rc3 [September 18, 2002] - Revised libpng-config script. - -version 1.2.5 and 1.0.15 [October 3, 2002] - Revised makefile.macosx, makefile.darwin, makefile.hpgcc, and makefile.hpux, - and makefile.aix. - Relocated two misplaced PNGAPI lines in pngtest.c -version 1.2.6beta1 [October 22, 2002] - Commented out warning about uninitialized mmx_support in pnggccrd.c. - Changed "IBMCPP__" flag to "__IBMCPP__" in pngconf.h. - Relocated two more misplaced PNGAPI lines in pngtest.c - Fixed memory overrun bug in png_do_read_filler() with 16-bit datastreams, - introduced in version 1.0.2. - Revised makefile.macosx, makefile.dec, makefile.aix, and makefile.32sunu. -version 1.2.6beta2 [November 1, 2002] - Added libpng-config "--ldopts" output. - Added "AR=ar" and "ARFLAGS=rc" and changed "ar rc" to "$(AR) $(ARFLAGS)" - in makefiles. -version 1.2.6beta3 [July 18, 2004] - Reverted makefile changes from version 1.2.6beta2 and some of the changes - from version 1.2.6beta1; these will be postponed until version 1.2.7. - Version 1.2.6 is going to be a simple bugfix release. - Changed the one instance of "ln -sf" to "ln -f -s" in each Sun makefile. - Fixed potential overrun in pngerror.c by using strncpy instead of memcpy. - Added "#!/bin/sh" at the top of configure, for recognition of the - 'x' flag under Cygwin (Cosmin). - Optimized vacuous tests that silence compiler warnings, in png.c (Cosmin). - Added support for PNG_USER_CONFIG, in pngconf.h (Cosmin). - Fixed the special memory handler for Borland C under DOS, in pngmem.c - (Cosmin). - Removed some spurious assignments in pngrutil.c (Cosmin). - Replaced 65536 with 65536L, and 0xffff with 0xffffL, to silence warnings - on 16-bit platforms (Cosmin). - Enclosed shift op expressions in parentheses, to silence warnings (Cosmin). - Used proper type png_fixed_point, to avoid problems on 16-bit platforms, - in png_handle_sRGB() (Cosmin). - Added compression_type to png_struct, and optimized the window size - inside the deflate stream (Cosmin). - Fixed definition of isnonalpha(), in pngerror.c and pngrutil.c (Cosmin). - Fixed handling of unknown chunks that come after IDAT (Cosmin). - Allowed png_error() and png_warning() to work even if png_ptr == NULL - (Cosmin). - Replaced row_info->rowbytes with row_bytes in png_write_find_filter() - (Cosmin). - Fixed definition of PNG_LIBPNG_VER_DLLNUM (Simon-Pierre). - Used PNG_LIBPNG_VER and PNG_LIBPNG_VER_STRING instead of the hardcoded - values in png.c (Simon-Pierre, Cosmin). - Initialized png_libpng_ver[] with PNG_LIBPNG_VER_STRING (Simon-Pierre). - Replaced PNG_LIBPNG_VER_MAJOR with PNG_LIBPNG_VER_DLLNUM in png.rc - (Simon-Pierre). - Moved the definition of PNG_HEADER_VERSION_STRING near the definitions - of the other PNG_LIBPNG_VER_... symbols in png.h (Cosmin). - Relocated #ifndef PNGAPI guards in pngconf.h (Simon-Pierre, Cosmin). - Updated scripts/makefile.vc(a)win32 (Cosmin). - Updated the MSVC project (Simon-Pierre, Cosmin). - Updated the Borland C++ Builder project (Cosmin). - Avoided access to asm_flags in pngvcrd.c, if PNG_1_0_X is defined (Cosmin). - Commented out warning about uninitialized mmx_support in pngvcrd.c (Cosmin). - Removed scripts/makefile.bd32 and scripts/pngdef.pas (Cosmin). - Added extra guard around inclusion of Turbo C memory headers, in pngconf.h - (Cosmin). - Renamed projects/msvc/ to projects/visualc6/, and projects/borland/ to - projects/cbuilder5/ (Cosmin). - Moved projects/visualc6/png32ms.def to scripts/pngw32.def, - and projects/visualc6/png.rc to scripts/pngw32.rc (Cosmin). - Added projects/visualc6/pngtest.dsp; removed contrib/msvctest/ (Cosmin). - Changed line endings to DOS style in cbuilder5 and visualc6 files, even - in the tar.* distributions (Cosmin). - Updated contrib/visupng/VisualPng.dsp (Cosmin). - Updated contrib/visupng/cexcept.h to version 2.0.0 (Cosmin). - Added a separate distribution with "configure" and supporting files (Junichi). -version 1.2.6beta4 [July 28, 2004] - Added user ability to change png_size_t via a PNG_SIZE_T macro. - Added png_sizeof() and png_convert_size() functions. - Added PNG_SIZE_MAX (maximum value of a png_size_t variable. - Added check in png_malloc_default() for (size_t)size != (png_uint_32)size - which would indicate an overflow. - Changed sPLT failure action from png_error to png_warning and abandon chunk. - Changed sCAL and iCCP failures from png_error to png_warning and abandon. - Added png_get_uint_31(png_ptr, buf) function. - Added PNG_UINT_32_MAX macro. - Renamed PNG_MAX_UINT to PNG_UINT_31_MAX. - Made png_zalloc() issue a png_warning and return NULL on potential - overflow. - Turn on PNG_NO_ZALLOC_ZERO by default in version 1.2.x - Revised "clobber list" in pnggccrd.c so it will compile under gcc-3.4. - Revised Borland portion of png_malloc() to return NULL or issue - png_error() according to setting of PNG_FLAG_MALLOC_NULL_MEM_OK. - Added PNG_NO_SEQUENTIAL_READ_SUPPORTED macro to conditionally remove - sequential read support. - Added some "#if PNG_WRITE_SUPPORTED" blocks. - #ifdef'ed out some redundancy in png_malloc_default(). - Use png_malloc instead of png_zalloc to allocate the pallete. -version 1.0.16rc1 and 1.2.6rc1 [August 4, 2004] - Fixed buffer overflow vulnerability in png_handle_tRNS() - Fixed integer arithmetic overflow vulnerability in png_read_png(). - Fixed some harmless bugs in png_handle_sBIT, etc, that would cause - duplicate chunk types to go undetected. - Fixed some timestamps in the -config version - Rearranged order of processing of color types in png_handle_tRNS(). - Added ROWBYTES macro to calculate rowbytes without integer overflow. - Updated makefile.darwin and removed makefile.macosx from scripts directory. - Imposed default one million column, one-million row limits on the image - dimensions, and added png_set_user_limits() function to override them. - Revised use of PNG_SET_USER_LIMITS_SUPPORTED macro. - Fixed wrong cast of returns from png_get_user_width|height_max(). - Changed some "keep the compiler happy" from empty statements to returns, - Revised libpng.txt to remove 1.2.x stuff from the 1.0.x distribution -version 1.0.16rc2 and 1.2.6rc2 [August 7, 2004] - Revised makefile.darwin and makefile.solaris. Removed makefile.macosx. - Revised pngtest's png_debug_malloc() to use png_malloc() instead of - png_malloc_default() which is not supposed to be exported. - Fixed off-by-one error in one of the conversions to PNG_ROWBYTES() in - pngpread.c. Bug was introduced in 1.2.6rc1. - Fixed bug in RGB to RGBX transformation introduced in 1.2.6rc1. - Fixed old bug in RGB to Gray transformation. - Fixed problem with 64-bit compilers by casting arguments to abs() - to png_int_32. - Changed "ln -sf" to "ln -f -s" in three makefiles (solaris, sco, so9). - Changed "HANDLE_CHUNK_*" to "PNG_HANDLE_CHUNK_*" (Cosmin) - Added "-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)" to 15 *NIX makefiles. - Added code to update the row_info->colortype in png_do_read_filler() (MSB). -version 1.0.16rc3 and 1.2.6rc3 [August 9, 2004] - Eliminated use of "abs()" in testing cHRM and gAMA values, to avoid - trouble with some 64-bit compilers. Created PNG_OUT_OF_RANGE() macro. - Revised documentation of png_set_keep_unknown_chunks(). - Check handle_as_unknown status in pngpread.c, as in pngread.c previously. - Moved "PNG_HANDLE_CHUNK_*" macros out of PNG_INTERNAL section of png.h - Added "rim" definitions for CONST4 and CONST6 in pnggccrd.c -version 1.0.16rc4 and 1.2.6rc4 [August 10, 2004] - Fixed mistake in pngtest.c introduced in 1.2.6rc2 (declaration of - "pinfo" was out of place). -version 1.0.16rc5 and 1.2.6rc5 [August 10, 2004] - Moved "PNG_HANDLE_CHUNK_*" macros out of PNG_ASSEMBLER_CODE_SUPPORTED - section of png.h where they were inadvertently placed in version rc3. - -version 1.2.6 and 1.0.16 [August 15, 2004] - Revised pngtest so memory allocation testing is only done when PNG_DEBUG==1. -version 1.2.7beta1 [August 26, 2004] - Removed unused pngasmrd.h file. - Removed references to uu.net for archived files. Added references to - PNG Spec (second edition) and the PNG ISO/IEC Standard. - Added "test-dd" target in 15 makefiles, to run pngtest in DESTDIR. - Fixed bug with "optimized window size" in the IDAT datastream, that - causes libpng to write PNG files with incorrect zlib header bytes. -version 1.2.7beta2 [August 28, 2004] - Fixed bug with sCAL chunk and big-endian machines (David Munro). - Undid new code added in 1.2.6rc2 to update the color_type in - png_set_filler(). - Added png_set_add_alpha() that updates color type. -version 1.0.17rc1 and 1.2.7rc1 [September 4, 2004] - Revised png_set_strip_filler() to not remove alpha if color_type has alpha. - -version 1.2.7 and 1.0.17 [September 12, 2004] - Added makefile.hp64 - Changed projects/msvc/png32ms.def to scripts/png32ms.def in makefile.cygwin -version 1.2.8beta1 [November 1, 2004] - Fixed bug in png_text_compress() that would fail to complete a large block. - Fixed bug, introduced in libpng-1.2.7, that overruns a buffer during - strip alpha operation in png_do_strip_filler(). - Added PNG_1_2_X definition in pngconf.h - #ifdef out png_info_init in png.c and png_read_init in pngread.c (as of 1.3.0) -version 1.2.8beta2 [November 2, 2004] - Reduce color_type to a nonalpha type after strip alpha operation in - png_do_strip_filler(). -version 1.2.8beta3 [November 3, 2004] - Revised definitions of PNG_MAX_UINT_32, PNG_MAX_SIZE, and PNG_MAXSUM -version 1.2.8beta4 [November 12, 2004] - Fixed (again) definition of PNG_LIBPNG_VER_DLLNUM in png.h (Cosmin). - Added PNG_LIBPNG_BUILD_PRIVATE in png.h (Cosmin). - Set png_ptr->zstream.data_type to Z_BINARY, to avoid unnecessary detection - of data type in deflate (Cosmin). - Deprecated but continue to support SPECIALBUILD and PRIVATEBUILD in favor of - PNG_LIBPNG_BUILD_SPECIAL_STRING and PNG_LIBPNG_BUILD_PRIVATE_STRING. -version 1.2.8beta5 [November 20, 2004] - Use png_ptr->flags instead of png_ptr->transformations to pass - PNG_STRIP_ALPHA info to png_do_strip_filler(), to preserve ABI - compatibility. - Revised handling of SPECIALBUILD, PRIVATEBUILD, - PNG_LIBPNG_BUILD_SPECIAL_STRING and PNG_LIBPNG_BUILD_PRIVATE_STRING. -version 1.2.8rc1 [November 24, 2004] - Moved handling of BUILD macros from pngconf.h to png.h - Added definition of PNG_LIBPNG_BASE_TYPE in png.h, inadvertently - omitted from beta5. - Revised scripts/pngw32.rc - Despammed mailing addresses by masking "@" with "at". - Inadvertently installed a supposedly faster test version of pngrutil.c -version 1.2.8rc2 [November 26, 2004] - Added two missing "\" in png.h - Change tests in pngread.c and pngpread.c to - if (png_ptr->transformations || (png_ptr->flags&PNG_FLAG_STRIP_ALPHA)) - png_do_read_transformations(png_ptr); -version 1.2.8rc3 [November 28, 2004] - Reverted pngrutil.c to version libpng-1.2.8beta5. - Added scripts/makefile.elf with supporting code in pngconf.h for symbol - versioning (John Bowler). -version 1.2.8rc4 [November 29, 2004] - Added projects/visualc7 (Simon-pierre). -version 1.2.8rc5 [November 29, 2004] - Fixed new typo in scripts/pngw32.rc - -version 1.2.8 [December 3, 2004] - Removed projects/visualc7, added projects/visualc71. - -version 1.2.9beta1 [February 21, 2006] - - Initialized some structure members in pngwutil.c to avoid gcc-4.0.0 complaints - Revised man page and libpng.txt to make it clear that one should not call - png_read_end or png_write_end after png_read_png or png_write_png. - Updated references to png-mng-implement mailing list. - Fixed an incorrect typecast in pngrutil.c - Added PNG_NO_READ_SUPPORTED conditional for making a write-only library. - Added PNG_NO_WRITE_INTERLACING_SUPPORTED conditional. - Optimized alpha-inversion loops in pngwtran.c - Moved test for nonzero gamma outside of png_build_gamma_table() in pngrtran.c - Make sure num_trans is <= 256 before copying data in png_set_tRNS(). - Make sure num_palette is <= 256 before copying data in png_set_PLTE(). - Interchanged order of write_swap_alpha and write_invert_alpha transforms. - Added parentheses in the definition of PNG_LIBPNG_BUILD_TYPE (Cosmin). - Optimized zlib window flag (CINFO) in contrib/pngsuite/*.png (Cosmin). - Updated scripts/makefile.bc32 for Borland C++ 5.6 (Cosmin). - Exported png_get_uint_32, png_save_uint_32, png_get_uint_16, png_save_uint_16, - png_get_int_32, png_save_int_32, png_get_uint_31 (Cosmin). - Added type cast (png_byte) in png_write_sCAL() (Cosmin). - Fixed scripts/makefile.cygwin (Christian Biesinger, Cosmin). - Default iTXt support was inadvertently enabled. - -version 1.2.9beta2 [February 21, 2006] - - Check for png_rgb_to_gray and png_gray_to_rgb read transformations before - checking for png_read_dither in pngrtran.c - Revised checking of chromaticity limits to accommodate extended RGB - colorspace (John Denker). - Changed line endings in some of the project files to CRLF, even in the - "Unix" tar distributions (Cosmin). - Made png_get_int_32 and png_save_int_32 always available (Cosmin). - Updated scripts/pngos2.def, scripts/pngw32.def and projects/wince/png32ce.def - with the newly exported functions. - Eliminated distributions without the "configure" script. - Updated INSTALL instructions. - -version 1.2.9beta3 [February 24, 2006] - - Fixed CRCRLF line endings in contrib/visupng/VisualPng.dsp - Made libpng.pc respect EXEC_PREFIX (D. P. Kreil, J. Bowler) - Removed reference to pngasmrd.h from Makefile.am - Renamed CHANGES to ChangeLog. - Renamed LICENSE to COPYING. - Renamed ANNOUNCE to NEWS. - Created AUTHORS file. - -version 1.2.9beta4 [March 3, 2006] - - Changed definition of PKGCONFIG from $prefix/lib to $libdir in configure.ac - Reverted to filenames LICENSE and ANNOUNCE; removed AUTHORS and COPYING. - Removed newline from the end of some error and warning messages. - Removed test for sqrt() from configure.ac and configure. - Made swap tables in pngtrans.c PNG_CONST (Carlo Bramix). - Disabled default iTXt support that was inadvertently enabled in - libpng-1.2.9beta1. - Added "OS2" to list of systems that don't need underscores, in pnggccrd.c - Removed libpng version and date from *.c files. - -version 1.2.9beta5 [March 4, 2006] - Removed trailing blanks from source files. - Put version and date of latest change in each source file, and changed - copyright year accordingly. - More cleanup of configure.ac, Makefile.ac, and associated scripts. - Restored scripts/makefile.elf which was inadvertently deleted. - -version 1.2.9beta6 [March 6, 2006] - Fixed typo (RELEASE) in configuration files. - -version 1.2.9beta7 [March 7, 2006] - Removed libpng.vers and libpng.sym from libpng12_la_SOURCES in Makefile.am - Fixed inconsistent #ifdef's around png_sig_bytes() and png_set_sCAL_s() - in png.h. - Updated makefile.elf as suggested by debian. - Made cosmetic changes to some makefiles, adding LN_SF and other macros. - Made some makefiles accept "exec_prefix". - -version 1.2.9beta8 [March 9, 2006] - Fixed some "#if defined (..." which should be "#if defined(..." - Bug introduced in libpng-1.2.8. - Fixed inconsistency in definition of png_default_read_data() - Restored blank that was lost from makefile.sggcc "clean" target in beta7. - Revised calculation of "current" and "major" for irix in ltmain.sh - Changed "mkdir" to "MKDIR_P" in some makefiles. - Separated PNG_EXPAND and PNG_EXPAND_tRNS. - Added png_set_expand_gray_1_2_4_to_8() and deprecated - png_set_gray_1_2_4_to_8() which also expands tRNS to alpha. - -version 1.2.9beta9 [March 10, 2006] - Include "config.h" in pngconf.h when available. - Added some checks for NULL png_ptr or NULL info_ptr (timeless) - -version 1.2.9beta10 [March 20, 2006] - Removed extra CR from contrib/visualpng/VisualPng.dsw (Cosmin) - Made pnggccrd.c PIC-compliant (Christian Aichinger). - Added makefile.mingw (Wolfgang Glas). - Revised pngconf.h MMX checking. - -version 1.2.9beta11 [March 22, 2006] - Fixed out-of-order declaration in pngwrite.c that was introduced in beta9 - Simplified some makefiles by using LIBSO, LIBSOMAJ, and LIBSOVER macros. - -version 1.2.9rc1 [March 31, 2006] - Defined PNG_USER_PRIVATEBUILD when including "pngusr.h" (Cosmin). - Removed nonsensical assertion check from pngtest.c (Cosmin). - -version 1.2.9 [April 14, 2006] - Revised makefile.beos and added "none" selector in ltmain.sh - -version 1.2.10beta1 [April 15, 2006] - Renamed "config.h" to "png_conf.h" and revised Makefile.am to add - -DPNG_BUILDING_LIBPNG to compile directive, and modified pngconf.h - to include png_conf.h only when PNG_BUILDING_LIBPNG is defined. - -version 1.2.10beta2 [April 15, 2006] - Manually updated Makefile.in and configure. Changed png_conf.h.in - back to config.h. - -version 1.2.10beta3 [April 15, 2006] - Change png_conf.h back to config.h in pngconf.h. - -version 1.2.10beta4 [April 16, 2006] - Change PNG_BUILDING_LIBPNG to PNG_CONFIGURE_LIBPNG in config/Makefile*. - -version 1.2.10beta5 [April 16, 2006] - Added a configure check for compiling assembler code in pnggccrd.c - -version 1.2.10beta6 [April 17, 2006] - Revised the configure check for pnggccrd.c - Moved -DPNG_CONFIGURE_LIBPNG into @LIBPNG_DEFINES@ - Added @LIBPNG_DEFINES@ to arguments when building libpng.sym - -version 1.2.10beta7 [April 18, 2006] - Change "exec_prefix=$prefix" to "exec_prefix=$(prefix)" in makefiles. - -version 1.2.10rc1 [April 19, 2006] - Ensure pngconf.h doesn't define both PNG_USE_PNGGCCRD and PNG_USE_PNGVCRD - Fixed "LN_FS" typo in makefile.sco and makefile.solaris. - -version 1.2.10rc2 [April 20, 2006] - Added a backslash between -DPNG_CONFIGURE_LIBPNG and -DPNG_NO_ASSEMBLER_CODE - in configure.ac and configure - Made the configure warning about versioned symbols less arrogant. - -version 1.2.10rc3 [April 21, 2006] - Added a note in libpng.txt that png_set_sig_bytes(8) can be used when - writing an embedded PNG without the 8-byte signature. - Revised makefiles and configure to avoid making links to libpng.so.* - -version 1.2.10 [April 23, 2006] - Reverted configure to "rc2" state. - -version 1.2.11beta1 [May 31, 2006] - scripts/libpng.pc.in contained "configure" style version info and would - not work with makefiles. - The shared-library makefiles were linking to libpng.so.0 instead of - libpng.so.3 compatibility as the library. - -version 1.2.11beta2 [June 2, 2006] - Increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid - buffer overflow. - Fixed bug in example.c (png_set_palette_rgb -> png_set_palette_to_rgb) - -version 1.2.11beta3 [June 5, 2006] - Prepended "#! /bin/sh" to ltmail.sh and contrib/pngminus/*.sh (Cosmin). - Removed the accidental leftover Makefile.in~ (Cosmin). - Avoided potential buffer overflow and optimized buffer in - png_write_sCAL(), png_write_sCAL_s() (Cosmin). - Removed the include directories and libraries from CFLAGS and LDFLAGS - in scripts/makefile.gcc (Nelson A. de Oliveira, Cosmin). - -version 1.2.11beta4 [June 6, 2006] - Allow zero-length IDAT chunks after the entire zlib datastream, but not - after another intervening chunk type. - -version 1.0.19rc1, 1.2.11rc1 [June 13, 2006] - Deleted extraneous square brackets from [config.h] in configure.ac - -version 1.0.19rc2, 1.2.11rc2 [June 14, 2006] - Added prototypes for PNG_INCH_CONVERSIONS functions to png.h - Revised INSTALL and autogen.sh - Fixed typo in several makefiles (-W1 should be -Wl) - Added typedef for png_int_32 and png_uint_32 on 64-bit systems. - -version 1.0.19rc3, 1.2.11rc3 [June 15, 2006] - Removed the new typedefs for 64-bit systems (delay until version 1.4.0) - Added one zero element to png_gamma_shift[] array in pngrtran.c to avoid - reading out of bounds. - -version 1.0.19rc4, 1.2.11rc4 [June 15, 2006] - Really removed the new typedefs for 64-bit systems. - -version 1.0.19rc5, 1.2.11rc5 [June 22, 2006] - Removed png_sig_bytes entry from scripts/pngw32.def - -version 1.0.19, 1.2.11 [June 26, 2006] - None. - -version 1.0.20, 1.2.12 [June 27, 2006] - Really increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid - buffer overflow. - -version 1.2.13beta1 [October 2, 2006] - Removed AC_FUNC_MALLOC from configure.ac - Work around Intel-Mac compiler bug by setting PNG_NO_MMX_CODE in pngconf.h - Change "logical" to "bitwise" throughout documentation. - Detect and fix attempt to write wrong iCCP profile length. - -version 1.0.21, 1.2.13 [November 14, 2006] - Fix potential buffer overflow in sPLT chunk handler. - Fix Makefile.am to not try to link to noexistent files. - Check all exported functions for NULL png_ptr. - -version 1.2.14beta1 [November 17, 2006] - Relocated three misplaced tests for NULL png_ptr. - Built Makefile.in with automake-1.9.6 instead of 1.9.2. - Build configure with autoconf-2.60 instead of 2.59 - -version 1.2.14beta2 [November 17, 2006] - Added some typecasts in png_zalloc(). - -version 1.2.14rc1 [November 20, 2006] - Changed "strtod" to "png_strtod" in pngrutil.c - -version 1.0.22, 1.2.14 [November 27, 2006] - Added missing "$(srcdir)" in Makefile.am and Makefile.in - -version 1.2.15beta1 [December 3, 2006] - Generated configure with autoconf-2.61 instead of 2.60 - Revised configure.ac to update libpng.pc and libpng-config. - -version 1.2.15beta2 [December 3, 2006] - Always export MMX asm functions, just stubs if not building pnggccrd.c - -version 1.2.15beta3 [December 4, 2006] - Add "png_bytep" typecast to profile while calculating length in pngwutil.c - -version 1.2.15beta4 [December 7, 2006] - Added scripts/CMakeLists.txt - Changed PNG_NO_ASSEMBLER_CODE to PNG_NO_MMX_CODE in scripts, like 1.4.0beta - -version 1.2.15beta5 [December 7, 2006] - Changed some instances of PNG_ASSEMBLER_* to PNG_MMX_* in pnggccrd.c - Revised scripts/CMakeLists.txt - -version 1.2.15beta6 [December 13, 2006] - Revised scripts/CMakeLists.txt and configure.ac - -version 1.2.15rc1 [December 18, 2006] - Revised scripts/CMakeLists.txt - -version 1.2.15rc2 [December 21, 2006] - Added conditional #undef jmpbuf in pngtest.c to undo #define in AIX headers. - Added scripts/makefile.nommx - -version 1.2.15rc3 [December 25, 2006] - Fixed shared library numbering error that was introduced in 1.2.15beta6. - -version 1.2.15rc4 [December 27, 2006] - Fixed handling of rgb_to_gray when png_ptr->color.gray isn't set. - -version 1.2.15rc5 [December 31, 2006] - Revised handling of rgb_to_gray. - -version 1.0.23, 1.2.15 [January 5, 2007] - Added some (unsigned long) typecasts in pngtest.c to avoid printing errors. - -version 1.2.16beta1 [January 6, 2007] - Fix bugs in makefile.nommx - -version 1.2.16beta2 [January 16, 2007] - Revised scripts/CMakeLists.txt - -version 1.0.24, 1.2.16 [January 31, 2007] - No changes. - -version 1.2.17beta1 [March 6, 2007] - Revised scripts/CMakeLists.txt to install both shared and static libraries. - Deleted a redundant line from pngset.c. - -version 1.2.17beta2 [April 26, 2007] - Relocated misplaced test for png_ptr == NULL in pngpread.c - Change "==" to "&" for testing PNG_RGB_TO_GRAY_ERR & PNG_RGB_TO_GRAY_WARN - flags. - Changed remaining instances of PNG_ASSEMBLER_* to PNG_MMX_* - Added pngerror() when write_IHDR fails in deflateInit2(). - Added "const" to some array declarations. - Mention examples of libpng usage in the libpng*.txt and libpng.3 documents. - -version 1.2.17rc1 [May 4, 2007] - No changes. - -version 1.2.17rc2 [May 8, 2007] - Moved several PNG_HAVE_* macros out of PNG_INTERNAL because applications - calling set_unknown_chunk_location() need them. - Changed transformation flag from PNG_EXPAND_tRNS to PNG_EXPAND in - png_set_expand_gray_1_2_4_to_8(). - Added png_ptr->unknown_chunk to hold working unknown chunk data, so it - can be free'ed in case of error. Revised unknown chunk handling in - pngrutil.c and pngpread.c to use this structure. - -version 1.2.17rc3 [May 8, 2007] - Revised symbol-handling in configure script. - -version 1.2.17rc4 [May 10, 2007] - Revised unknown chunk handling to avoid storing unknown critical chunks. - -version 1.0.25 [May 15, 2007] -version 1.2.17 [May 15, 2007] - Added "png_ptr->num_trans=0" before error return in png_handle_tRNS, - to eliminate a vulnerability (CVE-2007-2445, CERT VU#684664) - -version 1.0.26 [May 15, 2007] -version 1.2.18 [May 15, 2007] - Reverted the libpng-1.2.17rc3 change to symbol-handling in configure script - -version 1.2.19beta1 [May 18, 2007] - Changed "const static" to "static PNG_CONST" everywhere, mostly undoing - change of libpng-1.2.17beta2. Changed other "const" to "PNG_CONST" - Changed some handling of unused parameters, to avoid compiler warnings. - "if (unused == NULL) return;" becomes "unused = unused". - -version 1.2.19beta2 [May 18, 2007] - Only use the valid bits of tRNS value in png_do_expand() (Brian Cartier) - -version 1.2.19beta3 [May 19, 2007] - Add some "png_byte" typecasts in png_check_keyword() and write new_key - instead of key in zTXt chunk (Kevin Ryde). - -version 1.2.19beta4 [May 21, 2007] - Add png_snprintf() function and use it in place of sprint() for improved - defense against buffer overflows. - -version 1.2.19beta5 [May 21, 2007] - Fixed png_handle_tRNS() to only use the valid bits of tRNS value. - Changed handling of more unused parameters, to avoid compiler warnings. - Removed some PNG_CONST in pngwutil.c to avoid compiler warnings. - -version 1.2.19beta6 [May 22, 2007] - Added some #ifdef PNG_MMX_CODE_SUPPORTED where needed in pngvcrd.c - Added a special "_MSC_VER" case that defines png_snprintf to _snprintf - -version 1.2.19beta7 [May 22, 2007] - Squelched png_squelch_warnings() in pnggccrd.c and added an - #ifdef PNG_MMX_CODE_SUPPORTED block around the declarations that caused - the warnings that png_squelch_warnings was squelching. - -version 1.2.19beta8 [May 22, 2007] - Removed __MMX__ from test in pngconf.h. - -version 1.2.19beta9 [May 23, 2007] - Made png_squelch_warnings() available via PNG_SQUELCH_WARNINGS macro. - Revised png_squelch_warnings() so it might work. - Updated makefile.sgcc and makefile.solaris; added makefile.solaris-x86. - -version 1.2.19beta10 [May 24, 2007] - Resquelched png_squelch_warnings(), use "__attribute__((used))" instead. - -version 1.2.19beta11 [May 28, 2007] - Return 0 from png_get_sPLT() and png_get_unknown_chunks() if png_ptr is NULL; - changed three remaining instances of png_strcpy() to png_strncpy() (David - Hill). - Make test for NULL row_buf at the beginning of png_do_read_transformations - unconditional. - -version 1.2.19beta12 [May 28, 2007] - Revised pnggccrd.c. - -version 1.2.19beta13 [June 14, 2007] - Prefer PNG_USE_PNGVCRD when _MSC_VER is defined in pngconf.h - -version 1.2.19beta14 [June 16, 2007] - Fix bug with handling of 16-bit transparency, introduced in 1.2.19beta2 - -version 1.2.19beta15 [June 17, 2007] - Revised pnggccrd.c. - -version 1.2.19beta16 [June 18, 2007] - Revised pnggccrd.c again. - Updated contrib/gregbook. - Changed '#include "pnggccrd.c"' to 'include "$srcdir/pnggccrd.c"' - in configure.ac - -version 1.2.19beta17 [June 19, 2007] - Revised many of the makefiles, to set -DPNG_NO_MMX_CODE where needed - and to not use -O3 unless -DPNG_NO_MMX_CODE is also set. - -version 1.2.19beta18 [June 23, 2007] - Replaced some C++ style comments with C style comments in pnggccrd.c. - Copied optimized C code from pnggccrd.c to pngrutil.c, removed dependency - on pnggccrd.o from many makefiles. - Added sl and dylib to list of extensions be installed by Makefile.am - -version 1.2.19beta19 [June 28, 2007] - Fixed testing PNG_RGB_TO_GRAY_ERR & PNG_RGB_TO_GRAY_WARN in pngrtran.c - More cleanup of pnggccrd.c and pngvcrd.c - -version 1.2.19beta20 [June 29, 2007] - Rebuilt Makefile.in and configure using libtool-1.5.24. - Fixed typo in pnggccrd.c - -version 1.2.19beta21 [June 30, 2007] - More revision of pnggccrd.c - Added "test" target to Makefile.in and Makefile.am - -version 1.2.19beta22 [July 3, 2007] - Added info about pngrutil/pnggccrd/pngvcrd to png_get_header_version() - Fix type definition of dummy_value_a, b in pnggccrd.c - -version 1.2.19beta23 [July 10, 2007] - Revert change to type definition of dummy_value_a, b in pnggccrd.c - Make sure __PIC__ is defined in pnggccrd.c when PIC is defined. - Require gcc-4.1 or better to use PNG_HAVE_MMX_FILTER_ROW on x86_64 platforms - -version 1.2.19beta24 [July 14, 2007] - Added PNG_NO_READ_FILTER, PNG_NO_WRITE_FILTER, PNG_NO_WARNING macros. - Added contrib/pngminim to demonstrate building minimal encoder and decoder - -version 1.2.19beta25 [July 15, 2007] - Removed the new PNG_NO_READ_FILTER macro since it would make the library - unable to read valid PNG files, and filtering is at the heart of the - PNG format. - -version 1.2.19beta26 [July 16, 2007] - Changed "png_free(str)" to "png_free(png_ptr,str)" in pngrutil.c WinCE - code (Yves Piguet). This bug was introduced in libpng-1.2.14. - Updated scripts/CMakeLists.txt - Relocated a misplaced #endif in pnggccrd.c - -version 1.2.19beta27 [July 17, 2007] - Fixed incorrect stride and number of bytes copied (was 4 instead of - 6 bytes) in the cleanup loop of pnggccrd.c and pngvcrd.c for handling - the end of 48-bit interlaced rows (Glenn R-P). - -version 1.2.19beta28 [July 19, 2007] - Removed requirement for gcc-4.1 or better to use PNG_HAVE_MMX_FILTER_ROW - on x86_64 platforms - Added png_warning() in pngrutil.c for short iCCP, iTXt, sPLT, or zTXT chunks. - Revised pngtest.c so warnings are displayed regardless of PNG_NO_STDIO. - -version 1.2.19beta29 [July 20, 2007] - Fix typo in pnggccrd.c (%%eax should be %%ax in secondloop48) - -version 1.2.19beta30 [July 26, 2007] - Revised pnggccrd.c - -version 1.2.19beta31 [July 27, 2007] - Fix typos in pnggccrd.c - -version 1.0.27rc1 and 1.2.19rc1 [July 31, 2007] - Disable PNG_MMX_CODE_SUPPORTED when PNG_ASSEMBLER_CODE_SUPPORTED is off. - Enable PNG_MMX_READ_FILTER_* by default, except when gcc-3.x is being - used (they were inadvertently disabled in libpng-1.2.19beta23). - Fix some debugging statements in pnggccrd.c and pngrutil.c - Added information about disabling the MMX code in libpng documentation. - -version 1.0.27rc2 and 1.2.19rc2 [August 4, 2007] - Removed some "#if 0" blocks. - Made a global struct local in pngvcrd.c to make it thread safe. - Issue a png_error() if application attempts to transform a row tht - has not been initialized. - -version 1.0.27rc3 and 1.2.19rc3 [August 9, 2007] - Slightly revised pngvcrd.c - -version 1.0.27rc4 and 1.2.19rc4 [August 9, 2007] - Revised pnggccrd.c debugging change of rc1, which was broken. - Revised scripts/CMakeLists.txt - Change default to PNG_NO_GLOBAL_ARRAYS for MSVC. - Turn off PNG_FLAG_ROW_INIT flag when setting transforms that expand pixels. - -version 1.0.27rc5 and 1.2.19rc5 [August 10, 2007] - Fix typo (missing '"') in pnggccrd.c - Revise handling of png_strtod in recent versions of WINCE - -version 1.0.27rc6 and 1.2.19rc6 [August 15, 2007] - Fix typo (missing ',') in contrib/gregbook/readpng2.c - Undid row initialization error exit added to rc2 and rc4. - -version 1.0.27 and 1.2.19 [August 18, 2007] - Conditionally restored row initialization error exit. - -version 1.2.20beta01 [August 19, 2007] - Fixed problem with compiling pnggccrd.c on Intel-Apple platforms. - Changed png_malloc() to png_malloc_warn() in png_set_sPLT(). - Added PNG_NO_ERROR_TEXT feature, with demo in contrib/pngminim - Removed define PNG_WARN_UNINITIALIZED_ROW 1 /* 0: warning; 1: error */ - because it caused some trouble. - -version 1.2.20beta02 [August 20, 2007] - Avoid compiling pnggccrd.c on Intel-Apple platforms. - -version 1.2.20beta03 [August 20, 2007] - Added "/D PNG_NO_MMX_CODE" to the non-mmx builds of projects/visualc6 - and visualc71. - -version 1.2.20beta04 [August 21, 2007] - Revised pngvcrd.c for improved efficiency (Steve Snyder). - -version 1.2.20rc1 [August 23, 2007] - Revised pngconf.h to set PNG_NO_MMX_CODE for gcc-3.x compilers. - -version 1.2.20rc2 [August 27, 2007] - Revised scripts/CMakeLists.txt - Revised #ifdefs to ensure one and only one of pnggccrd.c, pngvcrd.c, - or part of pngrutil.c is selected. - -version 1.2.20rc3 [August 30, 2007] - Remove a little more code in pngwutil.c when PNG_NO_WRITE_FILTER is selected. - Added /D _CRT_SECURE_NO_WARNINGS to visual6c and visualc71 projects. - Compile png_mmx_support() in png.c even when PNG_NO_MMX_CODE is defined. - Restored a "superfluous" #ifdef that was removed from 1.2.20rc2 pnggccrd.c, - breaking the png_mmx_support() function. - -version 1.2.20rc4 [September 1, 2007] - Removed Intel contributions (MMX, Optimized C). - -version 1.2.20rc5 [September 2, 2007] - Restored configure and Makefile.in to rc3 and put a snippet of code in - pnggccrd.c, to ensure configure makes the same PNG_NO_MMX_CODE selection - -version 1.2.20rc6 [September 2, 2007] - Fixed bugs in scripts/CMakeLists.txt - Removed pngvcrd.c references from msvc projects. - -version 1.0.28 and 1.2.20 [September 8, 2007] - Removed "(NO READ SUPPORT)" from png_get_header_version() string. - -version 1.2.21beta1 [September 14, 2007] - Fixed various mistakes reported by George Cook and Jeff Phillips: - logical vs bitwise NOT in pngrtran.c, bug introduced in 1.2.19rc2 - 16-bit cheap transparency expansion, bug introduced in 1.2.19beta2 - errors with sizeof(unknown_chunk.name), bugs introduced in 1.2.19beta11 - <= compare with unsigned var in pngset.c, should be ==. - -version 1.2.21beta2 [September 18, 2007] - Removed some extraneous typecasts. - -version 1.2.21rc1 [September 25, 2007] - Fixed potential out-of-bounds reads in png_handle_pCAL() and - png_handle_ztXt() ("flayer" results reported by Tavis Ormandy). - -version 1.2.21rc2 [September 26, 2007] - Fixed potential out-of-bounds reads in png_handle_sCAL(), - png_handle_iTXt(), and png_push_read_tEXt(). - Remove some PNG_CONST declarations from pngwutil.c to avoid compiler warnings - Revised makefiles to update paths in libpng.pc properly. - -version 1.2.21rc3 [September 27, 2007] - Revised makefiles to update "Libs" in libpng.pc properly. - -version 1.0.29 and 1.2.21rc3 [October 4, 2007] - No changes. - -version 1.2.22beta1 [October 4, 2007] - Again, fixed logical vs bitwise NOT in pngrtran.c, bug introduced - in 1.2.19rc2 - -version 1.2.22beta2 [October 5, 2007] - Fixed string length error in pngset.c (caused crashes while decoding iCCP) - Add terminating NULL after each instance of png_strncpy(). - -version 1.2.22beta3 [October 6, 2007] - Fix two off-by-one terminating NULL after png_strncpy(). - -version 1.2.22beta4 [October 7, 2007] - Changed some 0 to '\0'. - -version 1.0.30rc1 and 1.2.22rc1 [October 8, 2007] - No changes. - -version 1.0.30 and 1.2.22 [October 13, 2007] - No changes. - -version 1.2.23beta01 [October 15, 2007] - Reduced number of invocations of png_strlen() in pngset.c. - Changed [azAZ09_] to [_abcde...89] in Makefile.am for better localization. - -version 1.2.23beta02 [October 16, 2007] - Eliminated png_strncpy() and png_strcpy() (Pierre Poissinger) - Changed $AN to $(AN) in Makefile.am. - -version 1.2.23beta03 [October 16, 2007] - Fixed off-by-one error in pngset.c - Restore statement to set last character of buffer to \0 in pngerror.c - -version 1.2.23beta04 [October 23, 2007] - Reject attempt to set all-zero cHRM values. - -version 1.2.23beta05 [October 26, 2007] - Add missing quotes in projects/visualc6, lost in version 1.2.20rc3 - -version 1.2.23rc01 [November 2, 2007] - No changes. - -version 1.2.23 [November 6, 2007] - No changes. - -version 1.2.24beta01 [November 19, 2007] - Moved misplaced test for malloc failure in png_set_sPLT(). This bug was - introduced in libpng-1.2.20beta01. - Ifdef out avg_row etc from png.h and pngwrite.c when PNG_NO_WRITE_FILTER - Do not use png_ptr->free_fn and png_ptr->mem_fn in png_destroy_read_struct() - when png_ptr is NULL (Marshall Clow). - Updated handling of symbol prefixes in Makefile.am and configure.ac (Mike - Frysinger). - -version 1.2.24beta02 [November 30, 2007] - Removed a useless test and fixed incorrect test in png_set_cHRM_fixed() - (David Hill). - -version 1.2.24rc01 [December 7, 2007] - No changes. - -version 1.2.24 [December 14, 2007] - Make sure not to redefine _BSD_SOURCE in pngconf.h - Revised gather.sh and makefile.std in contrib/pngminim to avoid compiling - unused files. - -version 1.2.25beta01 [January 7, 2008] - Fixed bug with unknown chunk handling, introduced in version 1.2.17rc2 - -version 1.2.25beta02 [January 10, 2008] - Prevent gamma from being applied twice. - -version 1.2.25rc01 [January 17, 2008] - No changes. - -version 1.2.25beta03 [January 22, 2008] - Fixed some continue-after-malloc-failure errors in pngset.c (David Hill) - Check for info_ptr == NULL in png_read_info() and png_process_data(). - Check for possible use of NULL user_png_ver[] in png_create_read_struct(). - Change "if (swidth == NULL)" to "if (sheight == NULL)" in png_handle_sCAL - (bug introduced in libpng-1.2.4/1.0.13). - Return from png_destroy_read_struct() if png_ptr_ptr is NULL. - Fix overflow of "msg" in png_decompress_chunk(). - -version 1.2.25beta04 [January 26, 2008] - Work around Coverity bug report by slightly refactoring - png_read_push_finish_row() - -version 1.2.25beta05 [January 31, 2008] - Added libpng-1.2.25beta05.tar.lzma to distribution. Get the lzma codec - from . - Added lp1225b05.7z to distribution. Get the 7-zip decoder from - from . - Fixed some broken links in the README file. - -version 1.2.25beta06 [February 6, 2008] - Refactored png_read_push_finish_row() again, trying to satisfy Coverity. - Fixed potential NULL dereference of png_ptr in png_destroy_write_struct(); - clarified potential NULL dereference of png_ptr in png_destroy_read_struct(); - fixed potential NULL dereference of info_ptr in png_handle_bKGD(); - fixed potential NULL dereference of user_png_ver[] in - png_create_write_struct_2(). (Coverity) - -version 1.2.25rc02 [February 10, 2008] - Reset png_ptr->pass in png_read_push_finish_row() before break. - Changed "pass" from png_byte to int. - -version 1.2.25 and 1.0.31 [February 18, 2008] - No changes. - -version 1.2.26beta01 [February 21, 2008] - Added missing "(" in pngmem.c. Bug introduced in libpng-1.2.2/1.0.13 - -version 1.2.26beta02 [March 12, 2008] - Refined error message returned from deflateInit2 in pngwutil.c - Check IHDR length in png_push_read_chunk() before saving it. - -version 1.2.26beta03 [March 16, 2008] - Revised contrib/gregbook to handle premature end-of-file and file - read errors correctly. - -version 1.2.26beta04 [March 18, 2008] - Free png_ptr->big_row_buf and png_ptr->prev_row before allocating - new copies in png_read_start_row(). Bug introduced in libpng-1.2.22. - -version 1.2.26beta05 [March 19, 2008] - Removed extra png_free() added in libpng-1.2.26beta04. - -version 1.2.26beta06 [March 19, 2008] - Avoid reallocating big_row_buf and prev_row when the size does not increase. - -version 1.2.26rc01 [March 26, 2008] - Ifdef out some code that is unused when interlacing is not supported. - -versions 1.0.32 and 1.2.26 [April 2, 2008] - No changes. - -version 1.2.27beta01 [April 12, 2008] - Fixed bug (introduced in libpng-1.0.5h) with handling zero-length - unknown chunks. - Added more information about png_set_keep_unknown_chunks() to the - documentation. - Reject tRNS chunk with out-of-range samples instead of masking off - the invalid high bits as done in since libpng-1.2.19beta5. - -version 1.2.27beta02 [April 13, 2008] - Revised documentation about unknown chunk and user chunk handling. - Keep tRNS chunk with out-of-range samples and issue a png_warning(). - -version 1.2.27beta03 [April 14, 2008] - Added check for NULL ptr in TURBOC version of png_free_default(). - Removed several unnecessary checks for NULL before calling png_free(). - Revised png_set_tRNS() so that calling it twice removes and invalidates - the previous call. - Revised pngtest to check for out-of-range tRNS samples. - -version 1.2.27beta04 [April 18, 2008] - Added AC_LIBTOOL_WIN32_DLL to configure.ac - Rebuilt Makefile.in, aclocal.m4, and configure with autoconf-2.62 - -version 1.2.27beta05 [April 19, 2008] - Added MAINTAINERCLEANFILES variable to Makefile.am - -version 1.2.27beta06 [April 21, 2008] - Avoid changing color_type from GRAY to RGB by - png_set_expand_gray_1_2_4_to_8(). - -version 1.2.27rc01 [April 23, 2008] - Fix broken URL for rfc2083 in png.5 and libpng-*.txt - -version 1.0.33 and 1.2.27 [April 30, 2008] - No changes. - -version 1.0.34 and 1.2.28 [April 30, 2008] - Rebuilt Makefile.in, aclocal.m4, and configure with autoconf-2.61 - due to backward incompatibilities. - Removed a stray object file from contrib/gregbook - -version 1.2.29beta01 [May 1, 2008] - Removed some stray *.diff and *.orig files - -version 1.2.29beta02 [May 1, 2008] - Reverted Makefile.in, aclocal.m4, and configure to the libpng-1.2.26 - versions. - -version 1.2.29beta03 [May 2, 2008] - Added --force to autogen libtoolize options and --force-missing to - automake options. - Changed $(ECHO) to echo in Makefile.am and Makefile.in - Updated all configure files to autoconf-2.62 - #ifdef out pnggcrd.c code if using MSC_VER - -version 1.2.29rc01 [May 4, 2008] - No changes. - -version 1.0.35 and 1.2.29 [May 8, 2008] - No changes. - -version 1.0.37 [May 9, 2008] - Updated Makefile.in and configure (omitted version 1.0.36). - -version 1.2.30beta01 [May 29, 2008] - Updated libpng.pc-configure.in and libpng-config.in per debian bug reports. - -version 1.2.30beta02 [June 25, 2008] - Restored png_flush(png_ptr) at the end of png_write_end(), that was - removed from libpng-1.0.9beta03. - -version 1.2.30beta03 [July 6, 2008] - Merged some cosmetic whitespace changes from libpng-1.4.0beta19. - Inline call of png_get_uint_32() in png_get_uint_31(), as in 1.4.0beta19. - Added demo of decoding vpAg and sTER chunks to pngtest.c, from 1.4.0beta19. - Changed PNGMAJ from 0 to 12 in makefile.darwin, which does not like 0. - Added new private function png_read_chunk_header() from 1.4.0beta19. - Merge reading of chunk length and chunk type into a single 8-byte read. - Merge writing of chunk length and chunk type into a single 8-byte write. - -version 1.2.30beta04 [July 10, 2008] - Merged more cosmetic whitespace changes from libpng-1.4.0beta19. - -version 1.0.38rc01, 1.2.30rc01 [December 18, 2008] - No changes. - -version 1.0.38rc02, 1.2.30rc02 [July 21, 2008] - Moved local array "chunkdata" from pngrutil.c to the png_struct, so - it will be freed by png_read_destroy() in case of a read error (Kurt - Christensen). - -version 1.0.38rc03, 1.2.30rc03 [July 21, 2008] - Changed "purpose" and "buffer" to png_ptr->chunkdata to avoid memory leaking. - -version 1.0.38rc04, 1.2.30rc04 [July 22, 2008] - Changed "chunkdata = NULL" to "png_ptr->chunkdata = NULL" several places in - png_decompress_chunk(). - -version 1.0.38rc05, 1.2.30rc05 [July 25, 2008] - Changed all remaining "chunkdata" to "png_ptr->chunkdata" in - png_decompress_chunk() and remove chunkdata from parameter list. - Put a call to png_check_chunk_name() in png_read_chunk_header(). - Revised png_check_chunk_name() to reject a name with a lowercase 3rd byte. - Removed two calls to png_check_chunk_name() occuring later in the process. - -version 1.0.38rc06, 1.2.30rc06 [July 29, 2008] - Added a call to png_check_chunk_name() in pngpread.c - Reverted png_check_chunk_name() to accept a name with a lowercase 3rd byte. - -version 1.0.38r07, 1.2.30r07 [August 2, 2008] - Changed "-Wall" to "-W -Wall" in the CFLAGS in all makefiles (Cosmin Truta) - Declared png_ptr "volatile" in pngread.c and pngwrite.c to avoid warnings. - Added code in pngset.c to quiet compiler warnings. - Updated contrib/visupng/cexcept.h to version 2.0.1 - Relocated a misplaced "#endif /* PNG_NO_WRITE_FILTER */" in pngwutil.c - -version 1.0.38r08, 1.2.30r08 [August 2, 2008] - Enclose "volatile" declarations in #ifdef PNG_SETJMP_SUPPORTED (Cosmin). - -version 1.0.38, 1.2.30 [August 14, 2008] - No changes. - -version 1.2.31rc01 [August 19, 2008] - Removed extra crc check at the end of png_handle_cHRM(). Bug introduced - in libpng-1.2.30beta03 (Heiko Nitzsche). - -version 1.2.31rc02 [August 19, 2008] - Added PNG_WRITE_FLUSH_SUPPORTED block around new png_flush() call. - -version 1.2.31rc03 [August 19, 2008] - Added PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED block, off by default, around - new png_flush(). - -version 1.0.39, 1.2.31 [August 21, 2008] - No changes. - -version 1.2.32beta01 [September 6, 2008] - Shortened tIME_string to 29 bytes in pngtest.c (bug introduced in - libpng-1.2.22). - Fixed off-by-one error introduced in png_push_read_zTXt() function in - libpng-1.2.30beta04/pngpread.c (Harald van Dijk) - These bugs have been given the vulnerability id CVE-2008-3964. - -version 1.0.40, 1.2.32 [September 18, 2008] - No changes. - -version 1.2.33beta01 [October 6, 2008] - Revised makefile.darwin to fix shared library numbering. - Change png_set_gray_1_2_4_to_8() to png_set_expand_gray_1_2_4_to_8() - in example.c (debian bug report) - -version 1.2.33rc01 [October 15, 2008] - No changes. - -version 1.0.41rc01, version 1.2.33rc02 [October 23, 2008] - Changed remaining "key" to "png_ptr->chunkdata" in png_handle_tEXt() - to avoid memory leak after memory failure while reading tEXt chunk.` - -version 1.2.33 [October 31, 2008] - No changes. - -version 1.2.34beta01 [November 27, 2008] - Revised png_warning() to write its message on standard output by default - when warning_fn is NULL. This was the behavior prior to libpng-1.2.9beta9. - Fixed string vs pointer-to-string error in png_check_keyword(). - Added png_check_cHRM_fixed() in png.c and moved checking from pngget.c, - pngrutil.c, and pngwrite.c, and eliminated floating point cHRM checking. - Added check for zero-area RGB cHRM triangle in png_check_cHRM_fixed(). - In png_check_cHRM_fixed(), ensure white_y is > 0, and removed redundant - check for all-zero coordinates that is detected by the triangle check. - Revised png_warning() to write its message on standard output by default - when warning_fn is NULL. - -version 1.2.34beta02 [November 28, 2008] - Corrected off-by-one error in bKGD validity check in png_write_bKGD() - and in png_handle_bKGD(). - -version 1.2.34beta03 [December 1, 2008] - Revised bKGD validity check to use >= x instead of > x + 1 - Merged with png_debug from libpng-1.4.0 to remove newlines. - -version 1.2.34beta04 [December 2, 2008] - More merging with png_debug from libpng-1.4.0 to remove newlines. - -version 1.2.34beta05 [December 5, 2008] - Removed redundant check for key==NULL before calling png_check_keyword() - to ensure that new_key gets initialized and removed extra warning - (Arvan Pritchard). - -version 1.2.34beta06 [December 9, 2008] - In png_write_png(), respect the placement of the filler bytes in an earlier - call to png_set_filler() (Jim Barry). - -version 1.2.34beta07 [December 9, 2008] - Undid previous change and added PNG_TRANSFORM_STRIP_FILLER_BEFORE and - PNG_TRANSFORM_STRIP_FILLER_AFTER conditionals and deprecated - PNG_TRANSFORM_STRIP_FILLER (Jim Barry). - -version 1.0.42rc01, 1.2.34rc01 [December 11, 2008] - No changes. - -version 1.0.42, 1.2.34 [December 18, 2008] - No changes. - -Send comments/corrections/commendations to png-mng-implement at lists.sf.net -(subscription required; visit -https://lists.sourceforge.net/lists/listinfo/png-mng-implement -to subscribe) -or to glennrp at users.sourceforge.net - -Glenn R-P diff --git a/Build/source/libs/libpng/libpng-1.2.34/INSTALL b/Build/source/libs/libpng/libpng-1.2.34/INSTALL deleted file mode 100644 index d49159d8a63..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/INSTALL +++ /dev/null @@ -1,219 +0,0 @@ - -Installing libpng version 1.2.34 - December 18, 2008 - -On Unix/Linux and similar systems, you can simply type - - ./configure [--prefix=/path] - make check - make install - -and ignore the rest of this document. - -If configure does not work on your system and you have a reasonably -up-to-date set of tools, running ./autogen.sh before running ./configure -may fix the problem. You can also run the individual commands in -autogen.sh with the --force option, if supported by your version of -the tools. If you run 'libtoolize --force', though, this will replace -the distributed, patched, version of ltmain.sh with an unpatched version -and your shared library builds may fail to produce libraries with the -correct version numbers. - -Instead, you can use one of the custom-built makefiles in the -"scripts" directory - - cp scripts/makefile.system makefile - make test - make install - -Or you can use one of the "projects" in the "projects" directory. - -If you want to use "cmake" (see www.cmake.org), copy CMakeLists.txt -from the "scripts" directory to this directory and type - - cmake . [-DPNG_MMX=YES] -DCMAKE_INSTALL_PREFIX=/path - make - make install - -Before installing libpng, you must first install zlib, if it -is not already on your system. zlib can usually be found -wherever you got libpng. zlib can be placed in another directory, -at the same level as libpng. - -If your system already has a preinstalled zlib you will still need -to have access to the zlib.h and zconf.h include files that -correspond to the version of zlib that's installed. - -You can rename the directories that you downloaded (they -might be called "libpng-1.2.34" or "lpng109" and "zlib-1.2.1" -or "zlib121") so that you have directories called "zlib" and "libpng". - -Your directory structure should look like this: - - .. (the parent directory) - libpng (this directory) - INSTALL (this file) - README - *.h - *.c - contrib - gregbook - pngminus - pngsuite - visupng - projects - beos - c5builder (Borland) - visualc6 (msvc) - netware.txt - wince.txt - scripts - makefile.* - pngtest.png - etc. - zlib - README - *.h - *.c - contrib - etc. - -If the line endings in the files look funny, you may wish to get the other -distribution of libpng. It is available in both tar.gz (UNIX style line -endings) and zip (DOS style line endings) formats. - -If you are building libpng with MSVC, you can enter the -libpng projects\visualc6 directory and follow the instructions in -projects\visualc6\README.txt. - -You can build libpng for WindowsCE by downloading and installing -the projects\wince directory as instructed in the projects\wince.txt file, and -then following the instructions in the README* files. Similarly, you can -build libpng for Netware or Beos as instructed in projects\netware.txt -or projects\beos. - -Else enter the zlib directory and follow the instructions in zlib/README, -then come back here and run "configure" or choose the appropriate -makefile.sys in the scripts directory. - -The files that are presently available in the scripts directory -include - - CMakeLists.txt => "cmake" script - makefile.std => Generic UNIX makefile (cc, creates static libpng.a) - makefile.elf => Linux/ELF makefile symbol versioning, - gcc, creates libpng12.so.0.1.2.34) - makefile.linux => Linux/ELF makefile - (gcc, creates libpng12.so.0.1.2.34) - makefile.gcc => Generic makefile (gcc, creates static libpng.a) - makefile.knr => Archaic UNIX Makefile that converts files with - ansi2knr (Requires ansi2knr.c from - ftp://ftp.cs.wisc.edu/ghost) - makefile.aix => AIX/gcc makefile - makefile.cygwin => Cygwin/gcc makefile - makefile.darwin => Darwin makefile, can use on MacosX - makefile.dec => DEC Alpha UNIX makefile - makefile.freebsd => FreeBSD makefile - makefile.hpgcc => HPUX makefile using gcc - makefile.hpux => HPUX (10.20 and 11.00) makefile - makefile.hp64 => HPUX (10.20 and 11.00) makefile, 64-bit - makefile.ibmc => IBM C/C++ version 3.x for Win32 and OS/2 (static) - makefile.intel => Intel C/C++ version 4.0 and later - libpng.icc => Project file for IBM VisualAge/C++ version 4.0 or later - makefile.netbsd => NetBSD/cc makefile, uses PNGGCCRD, makes libpng.so. - makefile.ne12bsd => NetBSD/cc makefile, uses PNGGCCRD, - makes libpng12.so - makefile.openbsd => OpenBSD makefile - makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib) - makefile.sggcc => Silicon Graphics (gcc, - creates libpng12.so.0.1.2.34) - makefile.sunos => Sun makefile - makefile.solaris => Solaris 2.X makefile (gcc, - creates libpng12.so.0.1.2.34) - makefile.solaris-x86 => Solaris/intelMMX 2.X makefile (gcc, - creates libpng12.so.0.1.2.34) - makefile.so9 => Solaris 9 makefile (gcc, - creates libpng12.so.0.1.2.34) - makefile.32sunu => Sun Ultra 32-bit makefile - makefile.64sunu => Sun Ultra 64-bit makefile - makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc - makefile.mips => MIPS makefile - makefile.acorn => Acorn makefile - makefile.amiga => Amiga makefile - smakefile.ppc => AMIGA smakefile for SAS C V6.58/7.00 PPC compiler - (Requires SCOPTIONS, copied from scripts/SCOPTIONS.ppc) - makefile.atari => Atari makefile - makefile.beos => BEOS makefile for X86 - makefile.bor => Borland makefile (uses bcc) - makefile.bc32 => 32-bit Borland C++ (all modules compiled in C mode) - makefile.tc3 => Turbo C 3.0 makefile - makefile.dj2 => DJGPP 2 makefile - makefile.msc => Microsoft C makefile - makefile.vcwin32 => makefile for Microsoft Visual C++ 4.0 and later - makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def) - pngos2.def => OS/2 module definition file used by makefile.os2 - makefile.watcom => Watcom 10a+ Makefile, 32-bit flat memory model - makevms.com => VMS build script - descrip.mms => VMS makefile for MMS or MMK - SCOPTIONS.ppc => Used with smakefile.ppc - -Copy the file (or files) that you need from the -scripts directory into this directory, for example - - MSDOS example: copy scripts\makefile.msc makefile - UNIX example: cp scripts/makefile.std makefile - -Read the makefile to see if you need to change any source or -target directories to match your preferences. - -Then read pngconf.h to see if you want to make any configuration -changes. - -Then just run "make" which will create the libpng library in -this directory and "make test" which will run a quick test that reads -the "pngtest.png" file and writes a "pngout.png" file that should be -identical to it. Look for "9782 zero samples" in the output of the -test. For more confidence, you can run another test by typing -"pngtest pngnow.png" and looking for "289 zero samples" in the output. -Also, you can run "pngtest -m contrib/pngsuite/*.png" and compare -your output with the result shown in contrib/pngsuite/README. - -Most of the makefiles will allow you to run "make install" to -put the library in its final resting place (if you want to -do that, run "make install" in the zlib directory first if necessary). -Some also allow you to run "make test-installed" after you have -run "make install". - -If you encounter a compiler error message complaining about the -lines - __png.h__ already includes setjmp.h; - __dont__ include it again.; -This means you have compiled another module that includes setjmp.h, -which is hazardous because the two modules might not include exactly -the same setjmp.h. If you are sure that you know what you are doing -and that they are exactly the same, then you can comment out or -delete the two lines. Better yet, use the cexcept interface -instead, as demonstrated in contrib/visupng of the libpng distribution. - -Further information can be found in the README and libpng.txt -files, in the individual makefiles, in png.h, and the manual pages -libpng.3 and png.5. - - -Using the ./configure script -- 16 December 2002. -================================================= - - -The ./configure script should work compatibly with what scripts/makefile.* -did, however there are some options you need to add to configure explicitly, -which previously was done semi-automatically (if you didn't edit -scripts/makefile.* yourself, that is) - - -CFLAGS="-Wall -O -funroll-loops \ --malign-loops=2 -malign-functions=2" ./configure --prefix=/usr/include \ ---with-pkgconfigdir=/usr/lib/pkgconfig --includedir=/usr/include - -You can alternatively specify --includedir=/usr/include, /usr/local/include, -/usr/include/png12, or whatever. - - diff --git a/Build/source/libs/libpng/libpng-1.2.34/KNOWNBUG b/Build/source/libs/libpng/libpng-1.2.34/KNOWNBUG deleted file mode 100644 index bb2ca9c7920..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/KNOWNBUG +++ /dev/null @@ -1,22 +0,0 @@ - -Known bugs in libpng version 1.2.34 - -1. February 23, 2006: The custom makefiles don't build libpng with -lz. - - STATUS: This is a subject of debate. The change will probably be made - as a part of a major overhaul of the makefiles in libpng version 1.4.0. - -2. February 24, 2006: The Makefile generated by the "configure" script - fails to install symbolic links - libpng12.so => libpng12.so.0.1.2.9betaN - that are generated by the custom makefiles. - -3. September 4, 2007: There is a report that pngtest crashes on MacOS 10. - - STATUS: workarounds are - 1) Compile without optimization (crashes are observed with - -arch i386 and -O2 or -O3, using gcc-4.0.1). - 2) Compile pngtest.c with PNG_DEBUG defined (the bug goes away if - you try to look at it). - 3) Ignore the crash. The library itself seems to be OK. - diff --git a/Build/source/libs/libpng/libpng-1.2.34/LICENSE b/Build/source/libs/libpng/libpng-1.2.34/LICENSE deleted file mode 100644 index 4597e138f31..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/LICENSE +++ /dev/null @@ -1,109 +0,0 @@ - -This copy of the libpng notices is provided for your convenience. In case of -any discrepancy between this copy and the notices in the file png.h that is -included in the libpng distribution, the latter shall prevail. - -COPYRIGHT NOTICE, DISCLAIMER, and LICENSE: - -If you modify libpng you may insert additional notices immediately following -this sentence. - -libpng versions 1.2.6, August 15, 2004, through 1.2.34, December 18, 2008, are -Copyright (c) 2004, 2006-2008 Glenn Randers-Pehrson, and are -distributed according to the same disclaimer and license as libpng-1.2.5 -with the following individual added to the list of Contributing Authors - - Cosmin Truta - -libpng versions 1.0.7, July 1, 2000, through 1.2.5 - October 3, 2002, are -Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are -distributed according to the same disclaimer and license as libpng-1.0.6 -with the following individuals added to the list of Contributing Authors - - Simon-Pierre Cadieux - Eric S. Raymond - Gilles Vollant - -and with the following additions to the disclaimer: - - There is no warranty against interference with your enjoyment of the - library or against infringement. There is no warranty that our - efforts or the library will fulfill any of your particular purposes - or needs. This library is provided with all faults, and the entire - risk of satisfactory quality, performance, accuracy, and effort is with - the user. - -libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are -Copyright (c) 1998, 1999 Glenn Randers-Pehrson, and are -distributed according to the same disclaimer and license as libpng-0.96, -with the following individuals added to the list of Contributing Authors: - - Tom Lane - Glenn Randers-Pehrson - Willem van Schaik - -libpng versions 0.89, June 1996, through 0.96, May 1997, are -Copyright (c) 1996, 1997 Andreas Dilger -Distributed according to the same disclaimer and license as libpng-0.88, -with the following individuals added to the list of Contributing Authors: - - John Bowler - Kevin Bracey - Sam Bushell - Magnus Holmgren - Greg Roelofs - Tom Tanner - -libpng versions 0.5, May 1995, through 0.88, January 1996, are -Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc. - -For the purposes of this copyright and license, "Contributing Authors" -is defined as the following set of individuals: - - Andreas Dilger - Dave Martindale - Guy Eric Schalnat - Paul Schmidt - Tim Wegner - -The PNG Reference Library is supplied "AS IS". The Contributing Authors -and Group 42, Inc. disclaim all warranties, expressed or implied, -including, without limitation, the warranties of merchantability and of -fitness for any purpose. The Contributing Authors and Group 42, Inc. -assume no liability for direct, indirect, incidental, special, exemplary, -or consequential damages, which may result from the use of the PNG -Reference Library, even if advised of the possibility of such damage. - -Permission is hereby granted to use, copy, modify, and distribute this -source code, or portions hereof, for any purpose, without fee, subject -to the following restrictions: - -1. The origin of this source code must not be misrepresented. - -2. Altered versions must be plainly marked as such and must not - be misrepresented as being the original source. - -3. This Copyright notice may not be removed or altered from any - source or altered source distribution. - -The Contributing Authors and Group 42, Inc. specifically permit, without -fee, and encourage the use of this source code as a component to -supporting the PNG file format in commercial products. If you use this -source code in a product, acknowledgment is not required but would be -appreciated. - - -A "png_get_copyright" function is available, for convenient use in "about" -boxes and the like: - - printf("%s",png_get_copyright(NULL)); - -Also, the PNG logo (in PNG format, of course) is supplied in the -files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31). - -Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a -certification mark of the Open Source Initiative. - -Glenn Randers-Pehrson -glennrp at users.sourceforge.net -December 18, 2008 diff --git a/Build/source/libs/libpng/libpng-1.2.34/Makefile.am b/Build/source/libs/libpng/libpng-1.2.34/Makefile.am deleted file mode 100644 index 8c8ddc2fa37..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/Makefile.am +++ /dev/null @@ -1,152 +0,0 @@ -# Makefile.am: -# Source file for Makefile.in (and hence Makefile) -# -# Makefile.am need only be changed on a major version number -# change (e.g. libpng12 --> libpng13). In that case seach -# this file for every instance of the old base name (libpng12) -# and change to the new one (libpng13), then change the -# -version-number settings below so that the new values have -# the correct major part (first field). - -PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ - -# libpng does not follow GNU file name conventions -AUTOMAKE_OPTIONS = foreign - -# test programs - run on make check, make distcheck -check_PROGRAMS= pngtest -pngtest_SOURCES = pngtest.c -pngtest_LDADD = libpng12.la -TESTS = test-pngtest.sh -TESTS_ENVIRONMENT= srcdir=$(srcdir) - -# man pages -dist_man_MANS= libpng.3 libpngpf.3 png.5 - -# generate the -config scripts if required -binconfigs= libpng12-config -EXTRA_SCRIPTS= libpng-config libpng12-config -bin_SCRIPTS= @binconfigs@ - -# rules to build libpng, only build the old library on request -lib_LTLIBRARIES=libpng12.la @compatlib@ -EXTRA_LTLIBRARIES= libpng.la -libpng12_la_SOURCES = png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ - pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ - pngwtran.c pngmem.c pngerror.c pngpread.c \ - png.h pngconf.h -libpng_la_SOURCES = $(libpng12_la_SOURCES) - -libpng_la_CPPFLAGS = @LIBPNG_DEFINES@ -libpng12_la_CPPFLAGS = @LIBPNG_DEFINES@ - -# MAJOR UPGRADE: the version-number settings below must be changed. -libpng12_la_LDFLAGS = -no-undefined -export-dynamic \ - -version-number 0:@PNGLIB_RELEASE@:0 -# -rpath is needed as automake doesn't know the directory -libpng_la_LDFLAGS = -rpath '$(libdir)' -no-undefined -export-dynamic \ - -version-number 3:@PNGLIB_RELEASE@:0 - -if HAVE_LD_VERSION_SCRIPT - # Versioned symbols and restricted exports - libpng12_la_LDFLAGS += -Wl,--version-script=libpng.vers - libpng12_la_DEPENDENCIES = libpng.vers -else - # Only restricted exports when possible - libpng12_la_LDFLAGS += -export-symbols libpng.sym - libpng12_la_DEPENDENCIES = libpng.sym -endif -libpng_la_DEPENDENCIES = $(libpng12_la_DEPENDENCIES) - -# Avoid depending upon Character Ranges. -AN = '_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' - -#distribute headers in /usr/include/libpng/* -pkgincludedir= $(includedir)/$(PNGLIB_BASENAME) -pkginclude_HEADERS= png.h pngconf.h - -# pkg-config stuff, note that libpng.pc is always required in order -# to get the correct library -pkgconfigdir = @pkgconfigdir@ -pkgconfig_DATA = libpng12.pc - -#extra source distribution files. -EXTRA_DIST= \ - ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO \ - pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \ - ${srcdir}/projects/cbuilder5/* \ - ${srcdir}/projects/beos/* \ - ${srcdir}/projects/visualc6/* \ - ${srcdir}/projects/visualc71/* \ - ${srcdir}/projects/wince.txt \ - ${srcdir}/projects/netware.txt \ - ${srcdir}/scripts/* \ - ${srcdir}/contrib/gregbook/* \ - ${srcdir}/contrib/pngminus/* \ - ${srcdir}/contrib/pngsuite/* \ - ${srcdir}/contrib/visupng/* \ - $(TESTS) \ - example.c libpng-1.2.34.txt pngvcrd.c - -CLEANFILES= pngout.png libpng12.pc libpng12-config libpng.vers \ -libpng.sym - -MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \ -config.sub configure depcomp install-sh ltmain.sh missing - -$(PNGLIB_BASENAME).pc: libpng.pc - cp libpng.pc $@ - -$(PNGLIB_BASENAME)-config: libpng-config - cp libpng-config $@ - -libpng.sym: png.h pngconf.h - rm -f $@ $@.new - $(CPP) @LIBPNG_DEFINES@ $(CPPFLAGS) -DPNG_BUILDSYMS $(srcdir)/png.h | \ - $(SED) -n -e \ - 's|^.*PNG_FUNCTION_EXPORT[ ]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \ - -e 's|^.*PNG_DATA_EXPORT[ ]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \ - >$@.new - mv $@.new $@ - -libpng.vers: libpng.sym - rm -f $@ $@.new - echo PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0 '{global:' > $@.new - $(SED) s/$$/\;/ libpng.sym >> $@.new - echo 'local: *; 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};' >> $@.new - mv $@.new $@ - -test: check - -# install the .../include headers as links to the new ones -install-data-hook: - cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h - cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/png.h png.h - cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/pngconf.h pngconf.h - cd $(DESTDIR)$(pkgconfigdir); rm -f libpng.pc - cd $(DESTDIR)$(pkgconfigdir); $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc - -# do evil things to libpng to cause libpng12 to be used -install-exec-hook: - cd $(DESTDIR)$(bindir); rm -f libpng-config - cd $(DESTDIR)$(bindir); $(LN_S) $(PNGLIB_BASENAME)-config libpng-config - @set -x;\ - cd $(DESTDIR)$(libdir);\ - for ext in a la so sl dylib; do\ - rm -f libpng.$$ext;\ - if test -f $(PNGLIB_BASENAME).$$ext; then\ - $(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\ - fi;\ - done - -uninstall-hook: - cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h - rm -f $(DESTDIR)$(pkgconfigdir)/libpng.pc - rm -f $(DESTDIR)$(bindir)/libpng-config - @if test -n "@compatlib@"; then\ - set -x;\ - cd $(DESTDIR)$(libdir);\ - for ext in a la so sl dylib; do\ - rm -f libpng.$$ext;\ - done;\ - fi -# Tell versions [3.59,3.63) of GNU make to not export all variables. -# Otherwise a system limit (for SysV at least) may be exceeded. -.NOEXPORT: diff --git a/Build/source/libs/libpng/libpng-1.2.34/README b/Build/source/libs/libpng/libpng-1.2.34/README deleted file mode 100644 index 3dd92f41f7b..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/README +++ /dev/null @@ -1,267 +0,0 @@ -README for libpng version 1.2.34 - December 18, 2008 (shared library 12.0) -See the note about version numbers near the top of png.h - -See INSTALL for instructions on how to install libpng. - -Libpng comes in several distribution formats. Get libpng-*.tar.gz, -libpng-*.tar.lzma, or libpng-*.tar.bz2 if you want UNIX-style line -endings in the text files, or lpng*.7z or lpng*.zip if you want DOS-style -line endings. You can get UNIX-style line endings from the *.zip file -by using "unzip -a" but there seems to be no simple way to recover -UNIX-style line endings from the *.7z file. The *.tar.lzma file is -recommended for *NIX users instead. - -Version 0.89 was the first official release of libpng. Don't let the -fact that it's the first release fool you. The libpng library has been in -extensive use and testing since mid-1995. By late 1997 it had -finally gotten to the stage where there hadn't been significant -changes to the API in some time, and people have a bad feeling about -libraries with versions < 1.0. Version 1.0.0 was released in -March 1998. - -**** -Note that some of the changes to the png_info structure render this -version of the library binary incompatible with libpng-0.89 or -earlier versions if you are using a shared library. The type of the -"filler" parameter for png_set_filler() has changed from png_byte to -png_uint_32, which will affect shared-library applications that use -this function. - -To avoid problems with changes to the internals of png_info_struct, -new APIs have been made available in 0.95 to avoid direct application -access to info_ptr. These functions are the png_set_ and -png_get_ functions. These functions should be used when -accessing/storing the info_struct data, rather than manipulating it -directly, to avoid such problems in the future. - -It is important to note that the APIs do not make current programs -that access the info struct directly incompatible with the new -library. However, it is strongly suggested that new programs use -the new APIs (as shown in example.c and pngtest.c), and older programs -be converted to the new format, to facilitate upgrades in the future. -**** - -Additions since 0.90 include the ability to compile libpng as a -Windows DLL, and new APIs for accessing data in the info struct. -Experimental functions include the ability to set weighting and cost -factors for row filter selection, direct reads of integers from buffers -on big-endian processors that support misaligned data access, faster -methods of doing alpha composition, and more accurate 16->8 bit color -conversion. - -The additions since 0.89 include the ability to read from a PNG stream -which has had some (or all) of the signature bytes read by the calling -application. This also allows the reading of embedded PNG streams that -do not have the PNG file signature. As well, it is now possible to set -the library action on the detection of chunk CRC errors. It is possible -to set different actions based on whether the CRC error occurred in a -critical or an ancillary chunk. - -The changes made to the library, and bugs fixed are based on discussions -on the png-mng-implement mailing list -and not on material submitted privately to Guy, Andreas, or Glenn. They will -forward any good suggestions to the list. - -For a detailed description on using libpng, read libpng.txt. For -examples of libpng in a program, see example.c and pngtest.c. For usage -information and restrictions (what little they are) on libpng, see -png.h. For a description on using zlib (the compression library used by -libpng) and zlib's restrictions, see zlib.h - -I have included a general makefile, as well as several machine and -compiler specific ones, but you may have to modify one for your own needs. - -You should use zlib 1.0.4 or later to run this, but it MAY work with -versions as old as zlib 0.95. Even so, there are bugs in older zlib -versions which can cause the output of invalid compression streams for -some images. You will definitely need zlib 1.0.4 or later if you are -taking advantage of the MS-DOS "far" structure allocation for the small -and medium memory models. You should also note that zlib is a -compression library that is useful for more things than just PNG files. -You can use zlib as a drop-in replacement for fread() and fwrite() if -you are so inclined. - -zlib should be available at the same place that libpng is, or at -ftp://ftp.simplesystems.org/pub/png/src/ - -You may also want a copy of the PNG specification. It is available -as an RFC, a W3C Recommendation, and an ISO/IEC Standard. You can find -these at http://www.libpng.org/pub/png/pngdocs.html - -This code is currently being archived at libpng.sf.net in the -[DOWNLOAD] area, and on CompuServe, Lib 20 (PNG SUPPORT) -at GO GRAPHSUP. If you can't find it in any of those places, -e-mail me, and I'll help you find it. - -If you have any code changes, requests, problems, etc., please e-mail -them to me. Also, I'd appreciate any make files or project files, -and any modifications you needed to make to get libpng to compile, -along with a #define variable to tell what compiler/system you are on. -If you needed to add transformations to libpng, or wish libpng would -provide the image in a different way, drop me a note (and code, if -possible), so I can consider supporting the transformation. -Finally, if you get any warning messages when compiling libpng -(note: not zlib), and they are easy to fix, I'd appreciate the -fix. Please mention "libpng" somewhere in the subject line. Thanks. - -This release was created and will be supported by myself (of course -based in a large way on Guy's and Andreas' earlier work), and the PNG group. - -Send comments/corrections/commendations to png-mng-implement at lists.sf.net -(subscription required; visit -https://lists.sourceforge.net/lists/listinfo/png-mng-implement -to subscribe) or to glennrp at users.sourceforge.net - -You can't reach Guy, the original libpng author, at the addresses -given in previous versions of this document. He and Andreas will read mail -addressed to the png-mng-implement list, however. - -Please do not send general questions about PNG. Send them to -the (png-mng-misc at lists.sourceforge.net, subscription required, visit -https://lists.sourceforge.net/lists/listinfo/png-mng-implement to subscribe) -On the other hand, -please do not send libpng questions to that address, send them to me -or to the png-mng-implement list. I'll -get them in the end anyway. If you have a question about something -in the PNG specification that is related to using libpng, send it -to me. Send me any questions that start with "I was using libpng, -and ...". If in doubt, send questions to me. I'll bounce them -to others, if necessary. - -Please do not send suggestions on how to change PNG. We have -been discussing PNG for twelve years now, and it is official and -finished. If you have suggestions for libpng, however, I'll -gladly listen. Even if your suggestion is not used immediately, -it may be used later. - -Files in this distribution: - - ANNOUNCE => Announcement of this version, with recent changes - CHANGES => Description of changes between libpng versions - KNOWNBUG => List of known bugs and deficiencies - LICENSE => License to use and redistribute libpng - README => This file - TODO => Things not implemented in the current library - Y2KINFO => Statement of Y2K compliance - example.c => Example code for using libpng functions - libpng-*-*-diff.txt => Diff from previous release - libpng.3 => manual page for libpng (includes libpng.txt) - libpng.txt => Description of libpng and its functions - libpngpf.3 => manual page for libpng's private functions - png.5 => manual page for the PNG format - png.c => Basic interface functions common to library - png.h => Library function and interface declarations - pngconf.h => System specific library configuration - pngerror.c => Error/warning message I/O functions - pngget.c => Functions for retrieving info from struct - pngmem.c => Memory handling functions - pngbar.png => PNG logo, 88x31 - pngnow.png => PNG logo, 98x31 - pngpread.c => Progressive reading functions - pngread.c => Read data/helper high-level functions - pngrio.c => Lowest-level data read I/O functions - pngrtran.c => Read data transformation functions - pngrutil.c => Read data utility functions - pngset.c => Functions for storing data into the info_struct - pngtest.c => Library test program - pngtest.png => Library test sample image - pngtrans.c => Common data transformation functions - pngwio.c => Lowest-level write I/O functions - pngwrite.c => High-level write functions - pngwtran.c => Write data transformations - pngwutil.c => Write utility functions - contrib => Contributions - gregbook => source code for PNG reading and writing, from - Greg Roelofs' "PNG: The Definitive Guide", - O'Reilly, 1999 - msvctest => Builds and runs pngtest using a MSVC workspace - pngminus => Simple pnm2png and png2pnm programs - pngsuite => Test images - visupng => Contains a MSVC workspace for VisualPng - projects => Contains project files and workspaces for building DLL - beos => Contains a Beos workspace for building libpng - c5builder => Contains a Borland workspace for building libpng - and zlib - visualc6 => Contains a Microsoft Visual C++ (MSVC) workspace - for building libpng and zlib - netware.txt => Contains instructions for downloading a set of - project files for building libpng and zlib on - Netware. - wince.txt => Contains instructions for downloading a Microsoft - Visual C++ (Windows CD Toolkit) workspace for - building libpng and zlib on WindowsCE - scripts => Directory containing scripts for building libpng: - descrip.mms => VMS makefile for MMS or MMK - makefile.std => Generic UNIX makefile (cc, creates static libpng.a) - makefile.elf => Linux/ELF makefile symbol versioning, - gcc, creates libpng12.so.0.1.2.34) - makefile.linux => Linux/ELF makefile - (gcc, creates libpng12.so.0.1.2.34) - makefile.gcmmx => Linux/ELF makefile - (gcc, creates libpng12.so.0.1.2.34, - uses assembler code tuned for Intel MMX platform) - makefile.gcc => Generic makefile (gcc, creates static libpng.a) - makefile.knr => Archaic UNIX Makefile that converts files with - ansi2knr (Requires ansi2knr.c from - ftp://ftp.cs.wisc.edu/ghost) - makefile.aix => AIX makefile - makefile.cygwin => Cygwin/gcc makefile - makefile.darwin => Darwin makefile - makefile.dec => DEC Alpha UNIX makefile - makefile.freebsd => FreeBSD makefile - makefile.hpgcc => HPUX makefile using gcc - makefile.hpux => HPUX (10.20 and 11.00) makefile - makefile.hp64 => HPUX (10.20 and 11.00) makefile, 64 bit - makefile.ibmc => IBM C/C++ version 3.x for Win32 and OS/2 (static) - makefile.intel => Intel C/C++ version 4.0 and later - libpng.icc => Project file, IBM VisualAge/C++ 4.0 or later - makefile.netbsd => NetBSD/cc makefile, PNGGCCRD, makes libpng.so. - makefile.ne12bsd => NetBSD/cc makefile, PNGGCCRD, makes libpng12.so - makefile.openbsd => OpenBSD makefile - makefile.sgi => Silicon Graphics IRIX (cc, creates static lib) - makefile.sggcc => Silicon Graphics - (gcc, creates libpng12.so.0.1.2.34) - makefile.sunos => Sun makefile - makefile.solaris => Solaris 2.X makefile - (gcc, creates libpng12.so.0.1.2.34) - makefile.so9 => Solaris 9 makefile - (gcc, creates libpng12.so.0.1.2.34) - makefile.32sunu => Sun Ultra 32-bit makefile - makefile.64sunu => Sun Ultra 64-bit makefile - makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc - makefile.mips => MIPS makefile - makefile.acorn => Acorn makefile - makefile.amiga => Amiga makefile - smakefile.ppc => AMIGA smakefile for SAS C V6.58/7.00 PPC - compiler (Requires SCOPTIONS, copied from - scripts/SCOPTIONS.ppc) - makefile.atari => Atari makefile - makefile.beos => BEOS makefile for X86 - makefile.bor => Borland makefile (uses bcc) - makefile.bc32 => 32-bit Borland C++ (all modules compiled in C mode) - makefile.tc3 => Turbo C 3.0 makefile - makefile.dj2 => DJGPP 2 makefile - makefile.msc => Microsoft C makefile - makefile.vcawin32=> makefile for Microsoft Visual C++ 5.0 and - later (uses assembler code tuned for Intel MMX - platform) - makefile.vcwin32 => makefile for Microsoft Visual C++ 4.0 and - later (does not use assembler code) - makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def) - pngos2.def => OS/2 module definition file used by makefile.os2 - makefile.watcom => Watcom 10a+ Makefile, 32-bit flat memory model - makevms.com => VMS build script - SCOPTIONS.ppc => Used with smakefile.ppc - -Good luck, and happy coding. - --Glenn Randers-Pehrson (current maintainer) - Internet: glennrp at users.sourceforge.net - --Andreas Eric Dilger (former maintainer, 1996-1997) - Internet: adilger at enel.ucalgary.ca - Web: http://members.shaw.ca/adilger/ - --Guy Eric Schalnat (original author and former maintainer, 1995-1996) - (formerly of Group 42, Inc) - Internet: gschal at infinet.com diff --git a/Build/source/libs/libpng/libpng-1.2.34/TODO b/Build/source/libs/libpng/libpng-1.2.34/TODO deleted file mode 100644 index a5f639577dd..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/TODO +++ /dev/null @@ -1,24 +0,0 @@ -TODO - list of things to do for libpng: - -Final bug fixes. -Improve API by hiding the png_struct and png_info structs. -Finish work on the no-floating-point version (including gamma compensation) -Better C++ wrapper/full C++ implementation? -Fix problem with C++ and EXTERN "C". -cHRM transformation. -Improve setjmp/longjmp usage or remove it in favor of returning error codes. -Add "grayscale->palette" transformation and "palette->grayscale" detection. -Improved dithering. -Multi-lingual error and warning message support. -Complete sRGB transformation (presently it simply uses gamma=0.45455). -Man pages for function calls. -Better documentation. -Better filter selection - (counting huffman bits/precompression? filter inertia? filter costs?). -Histogram creation. -Text conversion between different code pages (Latin-1 -> Mac and DOS). -Should we always malloc 2^bit_depth PLTE/tRNS/hIST entries for safety? -Build gamma tables using fixed point (and do away with floating point entirely). -Use greater precision when changing to linear gamma for compositing against - background and doing rgb-to-gray transformation. -Investigate pre-incremented loop counters and other loop constructions. diff --git a/Build/source/libs/libpng/libpng-1.2.34/Y2KINFO b/Build/source/libs/libpng/libpng-1.2.34/Y2KINFO deleted file mode 100644 index af762f400ee..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/Y2KINFO +++ /dev/null @@ -1,55 +0,0 @@ - Y2K compliance in libpng: - ========================= - - December 18, 2008 - - Since the PNG Development group is an ad-hoc body, we can't make - an official declaration. - - This is your unofficial assurance that libpng from version 0.71 and - upward through 1.2.34 are Y2K compliant. It is my belief that earlier - versions were also Y2K compliant. - - Libpng only has three year fields. One is a 2-byte unsigned integer - that will hold years up to 65535. The other two hold the date in text - format, and will hold years up to 9999. - - The integer is - "png_uint_16 year" in png_time_struct. - - The strings are - "png_charp time_buffer" in png_struct and - "near_time_buffer", which is a local character string in png.c. - - There are seven time-related functions: - - png_convert_to_rfc_1123() in png.c - (formerly png_convert_to_rfc_1152() in error) - png_convert_from_struct_tm() in pngwrite.c, called in pngwrite.c - png_convert_from_time_t() in pngwrite.c - png_get_tIME() in pngget.c - png_handle_tIME() in pngrutil.c, called in pngread.c - png_set_tIME() in pngset.c - png_write_tIME() in pngwutil.c, called in pngwrite.c - - All appear to handle dates properly in a Y2K environment. The - png_convert_from_time_t() function calls gmtime() to convert from system - clock time, which returns (year - 1900), which we properly convert to - the full 4-digit year. There is a possibility that applications using - libpng are not passing 4-digit years into the png_convert_to_rfc_1123() - function, or that they are incorrectly passing only a 2-digit year - instead of "year - 1900" into the png_convert_from_struct_tm() function, - but this is not under our control. The libpng documentation has always - stated that it works with 4-digit years, and the APIs have been - documented as such. - - The tIME chunk itself is also Y2K compliant. It uses a 2-byte unsigned - integer to hold the year, and can hold years as large as 65535. - - zlib, upon which libpng depends, is also Y2K compliant. It contains - no date-related code. - - - Glenn Randers-Pehrson - libpng maintainer - PNG Development Group diff --git a/Build/source/libs/libpng/libpng-1.2.34/autogen.sh b/Build/source/libs/libpng/libpng-1.2.34/autogen.sh deleted file mode 100755 index 77b63087c8b..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/autogen.sh +++ /dev/null @@ -1,25 +0,0 @@ -#! /bin/sh -# a quick hack script to generate necessary files from -# auto* tools. -# -# WARNING: if you run this you will change the versions -# of the tools which are used and, maybe, required! - touch Makefile.am configure.ac -{ - echo "running libtoolize" >&2 - libtoolize --force --copy --automake -} && { - echo "running aclocal" >&2 - aclocal -} && { - echo "running autoheader [ignore the warnings]" >&2 - autoheader -} && { - echo "running automake" >&2 - automake --force-missing --foreign -a -c -} && { - echo "running autoconf" >&2 - autoconf -} && - echo "autogen complete" >&2 || - echo "ERROR: autogen.sh failed, autogen is incomplete" >&2 diff --git a/Build/source/libs/libpng/libpng-1.2.34/config.guess b/Build/source/libs/libpng/libpng-1.2.34/config.guess deleted file mode 100755 index ca2a03ca4f1..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/config.guess +++ /dev/null @@ -1,1526 +0,0 @@ -#! /bin/sh -# Attempt to guess a canonical system name. -# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 -# Free Software Foundation, Inc. - -timestamp='2008-01-08' - -# This file is free software; you can redistribute it and/or modify it -# under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA -# 02110-1301, USA. -# -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - - -# Originally written by Per Bothner . -# Please send patches to . Submit a context -# diff and a properly formatted ChangeLog entry. -# -# This script attempts to guess a canonical system name similar to -# config.sub. If it succeeds, it prints the system name on stdout, and -# exits with 0. Otherwise, it exits with 1. -# -# The plan is that this can be called by configure scripts if you -# don't specify an explicit build system type. - -me=`echo "$0" | sed -e 's,.*/,,'` - -usage="\ -Usage: $0 [OPTION] - -Output the configuration name of the system \`$me' is run on. - -Operation modes: - -h, --help print this help, then exit - -t, --time-stamp print date of last modification, then exit - -v, --version print version number, then exit - -Report bugs and patches to ." - -version="\ -GNU config.guess ($timestamp) - -Originally written by Per Bothner. -Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, -2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. - -This is free software; see the source for copying conditions. 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I hope that - # covers most systems running today. This code pipes the CPU - # types through head -n 1, so we only detect the type of CPU 0. - ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1` - case "$ALPHA_CPU_TYPE" in - "EV4 (21064)") - UNAME_MACHINE="alpha" ;; - "EV4.5 (21064)") - UNAME_MACHINE="alpha" ;; - "LCA4 (21066/21068)") - UNAME_MACHINE="alpha" ;; - "EV5 (21164)") - UNAME_MACHINE="alphaev5" ;; - "EV5.6 (21164A)") - UNAME_MACHINE="alphaev56" ;; - "EV5.6 (21164PC)") - UNAME_MACHINE="alphapca56" ;; - "EV5.7 (21164PC)") - UNAME_MACHINE="alphapca57" ;; - "EV6 (21264)") - UNAME_MACHINE="alphaev6" ;; - "EV6.7 (21264A)") - UNAME_MACHINE="alphaev67" ;; - "EV6.8CB (21264C)") - UNAME_MACHINE="alphaev68" ;; - "EV6.8AL (21264B)") - UNAME_MACHINE="alphaev68" ;; - "EV6.8CX (21264D)") - UNAME_MACHINE="alphaev68" ;; - "EV6.9A (21264/EV69A)") - UNAME_MACHINE="alphaev69" ;; - "EV7 (21364)") - UNAME_MACHINE="alphaev7" ;; - "EV7.9 (21364A)") - UNAME_MACHINE="alphaev79" ;; - esac - # A Pn.n version is a patched version. - # A Vn.n version is a released version. - # A Tn.n version is a released field test version. - # A Xn.n version is an unreleased experimental baselevel. - # 1.2 uses "1.2" for uname -r. - echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - exit ;; - Alpha\ *:Windows_NT*:*) - # How do we know it's Interix rather than the generic POSIX subsystem? - # Should we change UNAME_MACHINE based on the output of uname instead - # of the specific Alpha model? - echo alpha-pc-interix - exit ;; - 21064:Windows_NT:50:3) - echo alpha-dec-winnt3.5 - exit ;; - Amiga*:UNIX_System_V:4.0:*) - echo m68k-unknown-sysv4 - exit ;; - *:[Aa]miga[Oo][Ss]:*:*) - echo ${UNAME_MACHINE}-unknown-amigaos - exit ;; - *:[Mm]orph[Oo][Ss]:*:*) - echo ${UNAME_MACHINE}-unknown-morphos - exit ;; - *:OS/390:*:*) - echo i370-ibm-openedition - exit ;; - *:z/VM:*:*) - echo s390-ibm-zvmoe - exit ;; - *:OS400:*:*) - echo powerpc-ibm-os400 - exit ;; - arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*) - echo arm-acorn-riscix${UNAME_RELEASE} - exit ;; - arm:riscos:*:*|arm:RISCOS:*:*) - echo arm-unknown-riscos - exit ;; - SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*) - echo hppa1.1-hitachi-hiuxmpp - exit ;; - Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*) - # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE. - if test "`(/bin/universe) 2>/dev/null`" = att ; then - echo pyramid-pyramid-sysv3 - else - echo pyramid-pyramid-bsd - fi - exit ;; - NILE*:*:*:dcosx) - echo pyramid-pyramid-svr4 - exit ;; - DRS?6000:unix:4.0:6*) - echo sparc-icl-nx6 - exit ;; - DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) - case `/usr/bin/uname -p` in - sparc) echo sparc-icl-nx7; exit ;; - esac ;; - sun4H:SunOS:5.*:*) - echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) - echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) - echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - sun4*:SunOS:6*:*) - # According to config.sub, this is the proper way to canonicalize - # SunOS6. Hard to guess exactly what SunOS6 will be like, but - # it's likely to be more like Solaris than SunOS4. - echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - sun4*:SunOS:*:*) - case "`/usr/bin/arch -k`" in - Series*|S4*) - UNAME_RELEASE=`uname -v` - ;; - esac - # Japanese Language versions have a version number like `4.1.3-JL'. - echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` - exit ;; - sun3*:SunOS:*:*) - echo m68k-sun-sunos${UNAME_RELEASE} - exit ;; - sun*:*:4.2BSD:*) - UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` - test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3 - case "`/bin/arch`" in - sun3) - echo m68k-sun-sunos${UNAME_RELEASE} - ;; - sun4) - echo sparc-sun-sunos${UNAME_RELEASE} - ;; - esac - exit ;; - aushp:SunOS:*:*) - echo sparc-auspex-sunos${UNAME_RELEASE} - exit ;; - # The situation for MiNT is a little confusing. The machine name - # can be virtually everything (everything which is not - # "atarist" or "atariste" at least should have a processor - # > m68000). The system name ranges from "MiNT" over "FreeMiNT" - # to the lowercase version "mint" (or "freemint"). Finally - # the system name "TOS" denotes a system which is actually not - # MiNT. But MiNT is downward compatible to TOS, so this should - # be no problem. - atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) - echo m68k-milan-mint${UNAME_RELEASE} - exit ;; - hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) - echo m68k-hades-mint${UNAME_RELEASE} - exit ;; - *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) - echo m68k-unknown-mint${UNAME_RELEASE} - exit ;; - m68k:machten:*:*) - echo m68k-apple-machten${UNAME_RELEASE} - exit ;; - powerpc:machten:*:*) - echo powerpc-apple-machten${UNAME_RELEASE} - exit ;; - RISC*:Mach:*:*) - echo mips-dec-mach_bsd4.3 - exit ;; - RISC*:ULTRIX:*:*) - echo mips-dec-ultrix${UNAME_RELEASE} - exit ;; - VAX*:ULTRIX*:*:*) - echo vax-dec-ultrix${UNAME_RELEASE} - exit ;; - 2020:CLIX:*:* | 2430:CLIX:*:*) - echo clipper-intergraph-clix${UNAME_RELEASE} - exit ;; - mips:*:*:UMIPS | mips:*:*:RISCos) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c -#ifdef __cplusplus -#include /* for printf() prototype */ - int main (int argc, char *argv[]) { -#else - int main (argc, argv) int argc; char *argv[]; { -#endif - #if defined (host_mips) && defined (MIPSEB) - #if defined (SYSTYPE_SYSV) - printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); - #endif - #if defined (SYSTYPE_SVR4) - printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); - #endif - #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) - printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); - #endif - #endif - exit (-1); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && - dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && - SYSTEM_NAME=`$dummy $dummyarg` && - { echo "$SYSTEM_NAME"; exit; } - echo mips-mips-riscos${UNAME_RELEASE} - exit ;; - Motorola:PowerMAX_OS:*:*) - echo powerpc-motorola-powermax - exit ;; - Motorola:*:4.3:PL8-*) - echo powerpc-harris-powermax - exit ;; - Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) - echo powerpc-harris-powermax - exit ;; - Night_Hawk:Power_UNIX:*:*) - echo powerpc-harris-powerunix - exit ;; - m88k:CX/UX:7*:*) - echo m88k-harris-cxux7 - exit ;; - m88k:*:4*:R4*) - echo m88k-motorola-sysv4 - exit ;; - m88k:*:3*:R3*) - echo m88k-motorola-sysv3 - exit ;; - AViiON:dgux:*:*) - # DG/UX returns AViiON for all architectures - UNAME_PROCESSOR=`/usr/bin/uname -p` - if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] - then - if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ - [ ${TARGET_BINARY_INTERFACE}x = x ] - then - echo m88k-dg-dgux${UNAME_RELEASE} - else - echo m88k-dg-dguxbcs${UNAME_RELEASE} - fi - else - echo i586-dg-dgux${UNAME_RELEASE} - fi - exit ;; - M88*:DolphinOS:*:*) # DolphinOS (SVR3) - echo m88k-dolphin-sysv3 - exit ;; - M88*:*:R3*:*) - # Delta 88k system running SVR3 - echo m88k-motorola-sysv3 - exit ;; - XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) - echo m88k-tektronix-sysv3 - exit ;; - Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) - echo m68k-tektronix-bsd - exit ;; - *:IRIX*:*:*) - echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` - exit ;; - ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. - echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id - exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' - i*86:AIX:*:*) - echo i386-ibm-aix - exit ;; - ia64:AIX:*:*) - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} - exit ;; - *:AIX:2:3) - if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include - - main() - { - if (!__power_pc()) - exit(1); - puts("powerpc-ibm-aix3.2.5"); - exit(0); - } -EOF - if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` - then - echo "$SYSTEM_NAME" - else - echo rs6000-ibm-aix3.2.5 - fi - elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then - echo rs6000-ibm-aix3.2.4 - else - echo rs6000-ibm-aix3.2 - fi - exit ;; - *:AIX:*:[456]) - IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` - if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then - IBM_ARCH=rs6000 - else - IBM_ARCH=powerpc - fi - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${IBM_ARCH}-ibm-aix${IBM_REV} - exit ;; - *:AIX:*:*) - echo rs6000-ibm-aix - exit ;; - ibmrt:4.4BSD:*|romp-ibm:BSD:*) - echo romp-ibm-bsd4.4 - exit ;; - ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and - echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to - exit ;; # report: romp-ibm BSD 4.3 - *:BOSX:*:*) - echo rs6000-bull-bosx - exit ;; - DPX/2?00:B.O.S.:*:*) - echo m68k-bull-sysv3 - exit ;; - 9000/[34]??:4.3bsd:1.*:*) - echo m68k-hp-bsd - exit ;; - hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) - echo m68k-hp-bsd4.4 - exit ;; - 9000/[34678]??:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - case "${UNAME_MACHINE}" in - 9000/31? ) HP_ARCH=m68000 ;; - 9000/[34]?? ) HP_ARCH=m68k ;; - 9000/[678][0-9][0-9]) - if [ -x /usr/bin/getconf ]; then - sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` - sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` - case "${sc_cpu_version}" in - 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 - 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 - 532) # CPU_PA_RISC2_0 - case "${sc_kernel_bits}" in - 32) HP_ARCH="hppa2.0n" ;; - 64) HP_ARCH="hppa2.0w" ;; - '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 - esac ;; - esac - fi - if [ "${HP_ARCH}" = "" ]; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - - #define _HPUX_SOURCE - #include - #include - - int main () - { - #if defined(_SC_KERNEL_BITS) - long bits = sysconf(_SC_KERNEL_BITS); - #endif - long cpu = sysconf (_SC_CPU_VERSION); - - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1"); break; - case CPU_PA_RISC2_0: - #if defined(_SC_KERNEL_BITS) - switch (bits) - { - case 64: puts ("hppa2.0w"); break; - case 32: puts ("hppa2.0n"); break; - default: puts ("hppa2.0"); break; - } break; - #else /* !defined(_SC_KERNEL_BITS) */ - puts ("hppa2.0"); break; - #endif - default: puts ("hppa1.0"); break; - } - exit (0); - } -EOF - (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` - test -z "$HP_ARCH" && HP_ARCH=hppa - fi ;; - esac - if [ ${HP_ARCH} = "hppa2.0w" ] - then - eval $set_cc_for_build - - # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating - # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler - # generating 64-bit code. GNU and HP use different nomenclature: - # - # $ CC_FOR_BUILD=cc ./config.guess - # => hppa2.0w-hp-hpux11.23 - # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess - # => hppa64-hp-hpux11.23 - - if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | - grep __LP64__ >/dev/null - then - HP_ARCH="hppa2.0w" - else - HP_ARCH="hppa64" - fi - fi - echo ${HP_ARCH}-hp-hpux${HPUX_REV} - exit ;; - ia64:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - echo ia64-hp-hpux${HPUX_REV} - exit ;; - 3050*:HI-UX:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include - int - main () - { - long cpu = sysconf (_SC_CPU_VERSION); - /* The order matters, because CPU_IS_HP_MC68K erroneously returns - true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct - results, however. */ - if (CPU_IS_PA_RISC (cpu)) - { - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; - case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; - default: puts ("hppa-hitachi-hiuxwe2"); break; - } - } - else if (CPU_IS_HP_MC68K (cpu)) - puts ("m68k-hitachi-hiuxwe2"); - else puts ("unknown-hitachi-hiuxwe2"); - exit (0); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && - { echo "$SYSTEM_NAME"; exit; } - echo unknown-hitachi-hiuxwe2 - exit ;; - 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) - echo hppa1.1-hp-bsd - exit ;; - 9000/8??:4.3bsd:*:*) - echo hppa1.0-hp-bsd - exit ;; - *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) - echo hppa1.0-hp-mpeix - exit ;; - hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) - echo hppa1.1-hp-osf - exit ;; - hp8??:OSF1:*:*) - echo hppa1.0-hp-osf - exit ;; - i*86:OSF1:*:*) - if [ -x /usr/sbin/sysversion ] ; then - echo ${UNAME_MACHINE}-unknown-osf1mk - else - echo ${UNAME_MACHINE}-unknown-osf1 - fi - exit ;; - parisc*:Lites*:*:*) - echo hppa1.1-hp-lites - exit ;; - C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) - echo c1-convex-bsd - exit ;; - C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) - if getsysinfo -f scalar_acc - then echo c32-convex-bsd - else echo c2-convex-bsd - fi - exit ;; - C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) - echo c34-convex-bsd - exit ;; - C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) - echo c38-convex-bsd - exit ;; - C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) - echo c4-convex-bsd - exit ;; - CRAY*Y-MP:*:*:*) - echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*[A-Z]90:*:*:*) - echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ - | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ - -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ - -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*TS:*:*:*) - echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*T3E:*:*:*) - echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*SV1:*:*:*) - echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - *:UNICOS/mp:*:*) - echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) - FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` - echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - 5000:UNIX_System_V:4.*:*) - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` - echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) - echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} - exit ;; - sparc*:BSD/OS:*:*) - echo sparc-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:BSD/OS:*:*) - echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:FreeBSD:*:*) - case ${UNAME_MACHINE} in - pc98) - echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - amd64) - echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - *) - echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - esac - exit ;; - i*:CYGWIN*:*) - echo ${UNAME_MACHINE}-pc-cygwin - exit ;; - *:MINGW*:*) - echo ${UNAME_MACHINE}-pc-mingw32 - exit ;; - i*:windows32*:*) - # uname -m includes "-pc" on this system. - echo ${UNAME_MACHINE}-mingw32 - exit ;; - i*:PW*:*) - echo ${UNAME_MACHINE}-pc-pw32 - exit ;; - *:Interix*:[3456]*) - case ${UNAME_MACHINE} in - x86) - echo i586-pc-interix${UNAME_RELEASE} - exit ;; - EM64T | authenticamd) - echo x86_64-unknown-interix${UNAME_RELEASE} - exit ;; - IA64) - echo ia64-unknown-interix${UNAME_RELEASE} - exit ;; - esac ;; - [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) - echo i${UNAME_MACHINE}-pc-mks - exit ;; - i*:Windows_NT*:* | Pentium*:Windows_NT*:*) - # How do we know it's Interix rather than the generic POSIX subsystem? - # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we - # UNAME_MACHINE based on the output of uname instead of i386? - echo i586-pc-interix - exit ;; - i*:UWIN*:*) - echo ${UNAME_MACHINE}-pc-uwin - exit ;; - amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) - echo x86_64-unknown-cygwin - exit ;; - p*:CYGWIN*:*) - echo powerpcle-unknown-cygwin - exit ;; - prep*:SunOS:5.*:*) - echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - *:GNU:*:*) - # the GNU system - echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` - exit ;; - *:GNU/*:*:*) - # other systems with GNU libc and userland - echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu - exit ;; - i*86:Minix:*:*) - echo ${UNAME_MACHINE}-pc-minix - exit ;; - arm*:Linux:*:*) - eval $set_cc_for_build - if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ - | grep -q __ARM_EABI__ - then - echo ${UNAME_MACHINE}-unknown-linux-gnu - else - echo ${UNAME_MACHINE}-unknown-linux-gnueabi - fi - exit ;; - avr32*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - cris:Linux:*:*) - echo cris-axis-linux-gnu - exit ;; - crisv32:Linux:*:*) - echo crisv32-axis-linux-gnu - exit ;; - frv:Linux:*:*) - echo frv-unknown-linux-gnu - exit ;; - ia64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - m32r*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - m68*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - mips:Linux:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #undef CPU - #undef mips - #undef mipsel - #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) - CPU=mipsel - #else - #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) - CPU=mips - #else - CPU= - #endif - #endif -EOF - eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' - /^CPU/{ - s: ::g - p - }'`" - test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } - ;; - mips64:Linux:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #undef CPU - #undef mips64 - #undef mips64el - #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) - CPU=mips64el - #else - #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) - CPU=mips64 - #else - CPU= - #endif - #endif -EOF - eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' - /^CPU/{ - s: ::g - p - }'`" - test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } - ;; - or32:Linux:*:*) - echo or32-unknown-linux-gnu - exit ;; - ppc:Linux:*:*) - echo powerpc-unknown-linux-gnu - exit ;; - ppc64:Linux:*:*) - echo powerpc64-unknown-linux-gnu - exit ;; - alpha:Linux:*:*) - case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in - EV5) UNAME_MACHINE=alphaev5 ;; - EV56) UNAME_MACHINE=alphaev56 ;; - PCA56) UNAME_MACHINE=alphapca56 ;; - PCA57) UNAME_MACHINE=alphapca56 ;; - EV6) UNAME_MACHINE=alphaev6 ;; - EV67) UNAME_MACHINE=alphaev67 ;; - EV68*) UNAME_MACHINE=alphaev68 ;; - esac - objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null - if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi - echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} - exit ;; - parisc:Linux:*:* | hppa:Linux:*:*) - # Look for CPU level - case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in - PA7*) echo hppa1.1-unknown-linux-gnu ;; - PA8*) echo hppa2.0-unknown-linux-gnu ;; - *) echo hppa-unknown-linux-gnu ;; - esac - exit ;; - parisc64:Linux:*:* | hppa64:Linux:*:*) - echo hppa64-unknown-linux-gnu - exit ;; - s390:Linux:*:* | s390x:Linux:*:*) - echo ${UNAME_MACHINE}-ibm-linux - exit ;; - sh64*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - sh*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - sparc:Linux:*:* | sparc64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - vax:Linux:*:*) - echo ${UNAME_MACHINE}-dec-linux-gnu - exit ;; - x86_64:Linux:*:*) - echo x86_64-unknown-linux-gnu - exit ;; - xtensa*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - i*86:Linux:*:*) - # The BFD linker knows what the default object file format is, so - # first see if it will tell us. cd to the root directory to prevent - # problems with other programs or directories called `ld' in the path. - # Set LC_ALL=C to ensure ld outputs messages in English. - ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \ - | sed -ne '/supported targets:/!d - s/[ ][ ]*/ /g - s/.*supported targets: *// - s/ .*// - p'` - case "$ld_supported_targets" in - elf32-i386) - TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu" - ;; - a.out-i386-linux) - echo "${UNAME_MACHINE}-pc-linux-gnuaout" - exit ;; - coff-i386) - echo "${UNAME_MACHINE}-pc-linux-gnucoff" - exit ;; - "") - # Either a pre-BFD a.out linker (linux-gnuoldld) or - # one that does not give us useful --help. - echo "${UNAME_MACHINE}-pc-linux-gnuoldld" - exit ;; - esac - # Determine whether the default compiler is a.out or elf - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include - #ifdef __ELF__ - # ifdef __GLIBC__ - # if __GLIBC__ >= 2 - LIBC=gnu - # else - LIBC=gnulibc1 - # endif - # else - LIBC=gnulibc1 - # endif - #else - #if defined(__INTEL_COMPILER) || defined(__PGI) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) - LIBC=gnu - #else - LIBC=gnuaout - #endif - #endif - #ifdef __dietlibc__ - LIBC=dietlibc - #endif -EOF - eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' - /^LIBC/{ - s: ::g - p - }'`" - test x"${LIBC}" != x && { - echo "${UNAME_MACHINE}-pc-linux-${LIBC}" - exit - } - test x"${TENTATIVE}" != x && { echo "${TENTATIVE}"; exit; } - ;; - i*86:DYNIX/ptx:4*:*) - # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. - # earlier versions are messed up and put the nodename in both - # sysname and nodename. - echo i386-sequent-sysv4 - exit ;; - i*86:UNIX_SV:4.2MP:2.*) - # Unixware is an offshoot of SVR4, but it has its own version - # number series starting with 2... - # I am not positive that other SVR4 systems won't match this, - # I just have to hope. -- rms. - # Use sysv4.2uw... so that sysv4* matches it. - echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} - exit ;; - i*86:OS/2:*:*) - # If we were able to find `uname', then EMX Unix compatibility - # is probably installed. - echo ${UNAME_MACHINE}-pc-os2-emx - exit ;; - i*86:XTS-300:*:STOP) - echo ${UNAME_MACHINE}-unknown-stop - exit ;; - i*86:atheos:*:*) - echo ${UNAME_MACHINE}-unknown-atheos - exit ;; - i*86:syllable:*:*) - echo ${UNAME_MACHINE}-pc-syllable - exit ;; - i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*) - echo i386-unknown-lynxos${UNAME_RELEASE} - exit ;; - i*86:*DOS:*:*) - echo ${UNAME_MACHINE}-pc-msdosdjgpp - exit ;; - i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) - UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` - if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then - echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} - else - echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} - fi - exit ;; - i*86:*:5:[678]*) - # UnixWare 7.x, OpenUNIX and OpenServer 6. - case `/bin/uname -X | grep "^Machine"` in - *486*) UNAME_MACHINE=i486 ;; - *Pentium) UNAME_MACHINE=i586 ;; - *Pent*|*Celeron) UNAME_MACHINE=i686 ;; - esac - echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} - exit ;; - i*86:*:3.2:*) - if test -f /usr/options/cb.name; then - UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then - UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` - (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 - (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ - && UNAME_MACHINE=i586 - (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ - && UNAME_MACHINE=i686 - (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ - && UNAME_MACHINE=i686 - echo ${UNAME_MACHINE}-pc-sco$UNAME_REL - else - echo ${UNAME_MACHINE}-pc-sysv32 - fi - exit ;; - pc:*:*:*) - # Left here for compatibility: - # uname -m prints for DJGPP always 'pc', but it prints nothing about - # the processor, so we play safe by assuming i386. - echo i386-pc-msdosdjgpp - exit ;; - Intel:Mach:3*:*) - echo i386-pc-mach3 - exit ;; - paragon:*:*:*) - echo i860-intel-osf1 - exit ;; - i860:*:4.*:*) # i860-SVR4 - if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then - echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 - else # Add other i860-SVR4 vendors below as they are discovered. - echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 - fi - exit ;; - mini*:CTIX:SYS*5:*) - # "miniframe" - echo m68010-convergent-sysv - exit ;; - mc68k:UNIX:SYSTEM5:3.51m) - echo m68k-convergent-sysv - exit ;; - M680?0:D-NIX:5.3:*) - echo m68k-diab-dnix - exit ;; - M68*:*:R3V[5678]*:*) - test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; - 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) - OS_REL='' - test -r /etc/.relid \ - && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` - /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ - && { echo i486-ncr-sysv4.3${OS_REL}; exit; } - /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ - && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; - 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) - /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ - && { echo i486-ncr-sysv4; exit; } ;; - m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) - echo m68k-unknown-lynxos${UNAME_RELEASE} - exit ;; - mc68030:UNIX_System_V:4.*:*) - echo m68k-atari-sysv4 - exit ;; - TSUNAMI:LynxOS:2.*:*) - echo sparc-unknown-lynxos${UNAME_RELEASE} - exit ;; - rs6000:LynxOS:2.*:*) - echo rs6000-unknown-lynxos${UNAME_RELEASE} - exit ;; - PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*) - echo powerpc-unknown-lynxos${UNAME_RELEASE} - exit ;; - SM[BE]S:UNIX_SV:*:*) - echo mips-dde-sysv${UNAME_RELEASE} - exit ;; - RM*:ReliantUNIX-*:*:*) - echo mips-sni-sysv4 - exit ;; - RM*:SINIX-*:*:*) - echo mips-sni-sysv4 - exit ;; - *:SINIX-*:*:*) - if uname -p 2>/dev/null >/dev/null ; then - UNAME_MACHINE=`(uname -p) 2>/dev/null` - echo ${UNAME_MACHINE}-sni-sysv4 - else - echo ns32k-sni-sysv - fi - exit ;; - PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort - # says - echo i586-unisys-sysv4 - exit ;; - *:UNIX_System_V:4*:FTX*) - # From Gerald Hewes . - # How about differentiating between stratus architectures? -djm - echo hppa1.1-stratus-sysv4 - exit ;; - *:*:*:FTX*) - # From seanf@swdc.stratus.com. - echo i860-stratus-sysv4 - exit ;; - i*86:VOS:*:*) - # From Paul.Green@stratus.com. - echo ${UNAME_MACHINE}-stratus-vos - exit ;; - *:VOS:*:*) - # From Paul.Green@stratus.com. - echo hppa1.1-stratus-vos - exit ;; - mc68*:A/UX:*:*) - echo m68k-apple-aux${UNAME_RELEASE} - exit ;; - news*:NEWS-OS:6*:*) - echo mips-sony-newsos6 - exit ;; - R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) - if [ -d /usr/nec ]; then - echo mips-nec-sysv${UNAME_RELEASE} - else - echo mips-unknown-sysv${UNAME_RELEASE} - fi - exit ;; - BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. - echo powerpc-be-beos - exit ;; - BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. - echo powerpc-apple-beos - exit ;; - BePC:BeOS:*:*) # BeOS running on Intel PC compatible. - echo i586-pc-beos - exit ;; - SX-4:SUPER-UX:*:*) - echo sx4-nec-superux${UNAME_RELEASE} - exit ;; - SX-5:SUPER-UX:*:*) - echo sx5-nec-superux${UNAME_RELEASE} - exit ;; - SX-6:SUPER-UX:*:*) - echo sx6-nec-superux${UNAME_RELEASE} - exit ;; - SX-7:SUPER-UX:*:*) - echo sx7-nec-superux${UNAME_RELEASE} - exit ;; - SX-8:SUPER-UX:*:*) - echo sx8-nec-superux${UNAME_RELEASE} - exit ;; - SX-8R:SUPER-UX:*:*) - echo sx8r-nec-superux${UNAME_RELEASE} - exit ;; - Power*:Rhapsody:*:*) - echo powerpc-apple-rhapsody${UNAME_RELEASE} - exit ;; - *:Rhapsody:*:*) - echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} - exit ;; - *:Darwin:*:*) - UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown - case $UNAME_PROCESSOR in - unknown) UNAME_PROCESSOR=powerpc ;; - esac - echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} - exit ;; - *:procnto*:*:* | *:QNX:[0123456789]*:*) - UNAME_PROCESSOR=`uname -p` - if test "$UNAME_PROCESSOR" = "x86"; then - UNAME_PROCESSOR=i386 - UNAME_MACHINE=pc - fi - echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} - exit ;; - *:QNX:*:4*) - echo i386-pc-qnx - exit ;; - NSE-?:NONSTOP_KERNEL:*:*) - echo nse-tandem-nsk${UNAME_RELEASE} - exit ;; - NSR-?:NONSTOP_KERNEL:*:*) - echo nsr-tandem-nsk${UNAME_RELEASE} - exit ;; - *:NonStop-UX:*:*) - echo mips-compaq-nonstopux - exit ;; - BS2000:POSIX*:*:*) - echo bs2000-siemens-sysv - exit ;; - DS/*:UNIX_System_V:*:*) - echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} - exit ;; - *:Plan9:*:*) - # "uname -m" is not consistent, so use $cputype instead. 386 - # is converted to i386 for consistency with other x86 - # operating systems. - if test "$cputype" = "386"; then - UNAME_MACHINE=i386 - else - UNAME_MACHINE="$cputype" - fi - echo ${UNAME_MACHINE}-unknown-plan9 - exit ;; - *:TOPS-10:*:*) - echo pdp10-unknown-tops10 - exit ;; - *:TENEX:*:*) - echo pdp10-unknown-tenex - exit ;; - KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) - echo pdp10-dec-tops20 - exit ;; - XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) - echo pdp10-xkl-tops20 - exit ;; - *:TOPS-20:*:*) - echo pdp10-unknown-tops20 - exit ;; - *:ITS:*:*) - echo pdp10-unknown-its - exit ;; - SEI:*:*:SEIUX) - echo mips-sei-seiux${UNAME_RELEASE} - exit ;; - *:DragonFly:*:*) - echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` - exit ;; - *:*VMS:*:*) - UNAME_MACHINE=`(uname -p) 2>/dev/null` - case "${UNAME_MACHINE}" in - A*) echo alpha-dec-vms ; exit ;; - I*) echo ia64-dec-vms ; exit ;; - V*) echo vax-dec-vms ; exit ;; - esac ;; - *:XENIX:*:SysV) - echo i386-pc-xenix - exit ;; - i*86:skyos:*:*) - echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' - exit ;; - i*86:rdos:*:*) - echo ${UNAME_MACHINE}-pc-rdos - exit ;; -esac - -#echo '(No uname command or uname output not recognized.)' 1>&2 -#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 - -eval $set_cc_for_build -cat >$dummy.c < -# include -#endif -main () -{ -#if defined (sony) -#if defined (MIPSEB) - /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, - I don't know.... */ - printf ("mips-sony-bsd\n"); exit (0); -#else -#include - printf ("m68k-sony-newsos%s\n", -#ifdef NEWSOS4 - "4" -#else - "" -#endif - ); exit (0); -#endif -#endif - -#if defined (__arm) && defined (__acorn) && defined (__unix) - printf ("arm-acorn-riscix\n"); exit (0); -#endif - -#if defined (hp300) && !defined (hpux) - printf ("m68k-hp-bsd\n"); exit (0); -#endif - -#if defined (NeXT) -#if !defined (__ARCHITECTURE__) -#define __ARCHITECTURE__ "m68k" -#endif - int version; - version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; - if (version < 4) - printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); - else - printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); - exit (0); -#endif - -#if defined (MULTIMAX) || defined (n16) -#if defined (UMAXV) - printf ("ns32k-encore-sysv\n"); exit (0); -#else -#if defined (CMU) - printf ("ns32k-encore-mach\n"); exit (0); -#else - printf ("ns32k-encore-bsd\n"); exit (0); -#endif -#endif -#endif - -#if defined (__386BSD__) - printf ("i386-pc-bsd\n"); exit (0); -#endif - -#if defined (sequent) -#if defined (i386) - printf ("i386-sequent-dynix\n"); exit (0); -#endif -#if defined (ns32000) - printf ("ns32k-sequent-dynix\n"); exit (0); -#endif -#endif - -#if defined (_SEQUENT_) - struct utsname un; - - uname(&un); - - if (strncmp(un.version, "V2", 2) == 0) { - printf ("i386-sequent-ptx2\n"); exit (0); - } - if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ - printf ("i386-sequent-ptx1\n"); exit (0); - } - printf ("i386-sequent-ptx\n"); exit (0); - -#endif - -#if defined (vax) -# if !defined (ultrix) -# include -# if defined (BSD) -# if BSD == 43 - printf ("vax-dec-bsd4.3\n"); exit (0); -# else -# if BSD == 199006 - printf ("vax-dec-bsd4.3reno\n"); exit (0); -# else - printf ("vax-dec-bsd\n"); exit (0); -# endif -# endif -# else - printf ("vax-dec-bsd\n"); exit (0); -# endif -# else - printf ("vax-dec-ultrix\n"); exit (0); -# endif -#endif - -#if defined (alliant) && defined (i860) - printf ("i860-alliant-bsd\n"); exit (0); -#endif - - exit (1); -} -EOF - -$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` && - { echo "$SYSTEM_NAME"; exit; } - -# Apollos put the system type in the environment. - -test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; } - -# Convex versions that predate uname can use getsysinfo(1) - -if [ -x /usr/convex/getsysinfo ] -then - case `getsysinfo -f cpu_type` in - c1*) - echo c1-convex-bsd - exit ;; - c2*) - if getsysinfo -f scalar_acc - then echo c32-convex-bsd - else echo c2-convex-bsd - fi - exit ;; - c34*) - echo c34-convex-bsd - exit ;; - c38*) - echo c38-convex-bsd - exit ;; - c4*) - echo c4-convex-bsd - exit ;; - esac -fi - -cat >&2 < in order to provide the needed -information to handle your system. - -config.guess timestamp = $timestamp - -uname -m = `(uname -m) 2>/dev/null || echo unknown` -uname -r = `(uname -r) 2>/dev/null || echo unknown` -uname -s = `(uname -s) 2>/dev/null || echo unknown` -uname -v = `(uname -v) 2>/dev/null || echo unknown` - -/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` -/bin/uname -X = `(/bin/uname -X) 2>/dev/null` - -hostinfo = `(hostinfo) 2>/dev/null` -/bin/universe = `(/bin/universe) 2>/dev/null` -/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` -/bin/arch = `(/bin/arch) 2>/dev/null` -/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` -/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` - -UNAME_MACHINE = ${UNAME_MACHINE} -UNAME_RELEASE = ${UNAME_RELEASE} -UNAME_SYSTEM = ${UNAME_SYSTEM} -UNAME_VERSION = ${UNAME_VERSION} -EOF - -exit 1 - -# Local variables: -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "timestamp='" -# time-stamp-format: "%:y-%02m-%02d" -# time-stamp-end: "'" -# End: diff --git a/Build/source/libs/libpng/libpng-1.2.34/config.h.in b/Build/source/libs/libpng/libpng-1.2.34/config.h.in deleted file mode 100644 index 711d3b5eef6..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/config.h.in +++ /dev/null @@ -1,83 +0,0 @@ -/* config.h.in. Generated from configure.ac by autoheader. */ - -/* Define to 1 if you have the header file. */ -#undef HAVE_DLFCN_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_INTTYPES_H - -/* Define to 1 if you have the `m' library (-lm). */ -#undef HAVE_LIBM - -/* Define to 1 if you have the `z' library (-lz). */ -#undef HAVE_LIBZ - -/* Define to 1 if you have the header file. */ -#undef HAVE_MALLOC_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_MEMORY_H - -/* Define to 1 if you have the `memset' function. */ -#undef HAVE_MEMSET - -/* Define to 1 if you have the `pow' function. */ -#undef HAVE_POW - -/* Define to 1 if you have the header file. */ -#undef HAVE_STDINT_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STDLIB_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STRINGS_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STRING_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_SYS_STAT_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_SYS_TYPES_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_UNISTD_H - -/* Define to the sub-directory in which libtool stores uninstalled libraries. - */ -#undef LT_OBJDIR - -/* Name of package */ -#undef PACKAGE - -/* Define to the address where bug reports for this package should be sent. */ -#undef PACKAGE_BUGREPORT - -/* Define to the full name of this package. */ -#undef PACKAGE_NAME - -/* Define to the full name and version of this package. */ -#undef PACKAGE_STRING - -/* Define to the one symbol short name of this package. */ -#undef PACKAGE_TARNAME - -/* Define to the version of this package. */ -#undef PACKAGE_VERSION - -/* Define to 1 if you have the ANSI C header files. */ -#undef STDC_HEADERS - -/* Define to 1 if your declares `struct tm'. */ -#undef TM_IN_SYS_TIME - -/* Version number of package */ -#undef VERSION - -/* Define to empty if `const' does not conform to ANSI C. */ -#undef const - -/* Define to `unsigned int' if does not define. */ -#undef size_t diff --git a/Build/source/libs/libpng/libpng-1.2.34/config.sub b/Build/source/libs/libpng/libpng-1.2.34/config.sub deleted file mode 100755 index 6759825a5b7..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/config.sub +++ /dev/null @@ -1,1658 +0,0 @@ -#! /bin/sh -# Configuration validation subroutine script. -# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 -# Free Software Foundation, Inc. - -timestamp='2008-01-16' - -# This file is (in principle) common to ALL GNU software. -# The presence of a machine in this file suggests that SOME GNU software -# can handle that machine. It does not imply ALL GNU software can. -# -# This file is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA -# 02110-1301, USA. -# -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - - -# Please send patches to . Submit a context -# diff and a properly formatted ChangeLog entry. -# -# Configuration subroutine to validate and canonicalize a configuration type. -# Supply the specified configuration type as an argument. -# If it is invalid, we print an error message on stderr and exit with code 1. -# Otherwise, we print the canonical config type on stdout and succeed. - -# This file is supposed to be the same for all GNU packages -# and recognize all the CPU types, system types and aliases -# that are meaningful with *any* GNU software. -# Each package is responsible for reporting which valid configurations -# it does not support. The user should be able to distinguish -# a failure to support a valid configuration from a meaningless -# configuration. - -# The goal of this file is to map all the various variations of a given -# machine specification into a single specification in the form: -# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM -# or in some cases, the newer four-part form: -# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM -# It is wrong to echo any other type of specification. - -me=`echo "$0" | sed -e 's,.*/,,'` - -usage="\ -Usage: $0 [OPTION] CPU-MFR-OPSYS - $0 [OPTION] ALIAS - -Canonicalize a configuration name. - -Operation modes: - -h, --help print this help, then exit - -t, --time-stamp print date of last modification, then exit - -v, --version print version number, then exit - -Report bugs and patches to ." - -version="\ -GNU config.sub ($timestamp) - -Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, -2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. - -This is free software; see the source for copying conditions. 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If nonempty, add APPEND to the result, -# otherwise set result to NONDIR_REPLACEMENT. -func_dirname () -{ - # Extract subdirectory from the argument. - func_dirname_result=`$ECHO "X${1}" | $Xsed -e "$dirname"` - if test "X$func_dirname_result" = "X${1}"; then - func_dirname_result="${3}" - else - func_dirname_result="$func_dirname_result${2}" - fi -} - -# func_basename file -func_basename () -{ - func_basename_result=`$ECHO "X${1}" | $Xsed -e "$basename"` -} - - -# func_stripname prefix suffix name -# strip PREFIX and SUFFIX off of NAME. -# PREFIX and SUFFIX must not contain globbing or regex special -# characters, hashes, percent signs, but SUFFIX may contain a leading -# dot (in which case that matches only a dot). -# func_strip_suffix prefix name -func_stripname () -{ - case ${2} in - .*) func_stripname_result=`$ECHO "X${3}" \ - | $Xsed -e "s%^${1}%%" -e "s%\\\\${2}\$%%"`;; - *) func_stripname_result=`$ECHO "X${3}" \ - | $Xsed -e "s%^${1}%%" -e "s%${2}\$%%"`;; - esac -} - -# sed scripts: -my_sed_long_opt='1s/^\(-[^=]*\)=.*/\1/;q' -my_sed_long_arg='1s/^-[^=]*=//' - -# func_opt_split -func_opt_split () -{ - func_opt_split_opt=`$ECHO "X${1}" | $Xsed -e "$my_sed_long_opt"` - func_opt_split_arg=`$ECHO "X${1}" | $Xsed -e "$my_sed_long_arg"` -} - -# func_lo2o object -func_lo2o () -{ - func_lo2o_result=`$ECHO "X${1}" | $Xsed -e "$lo2o"` -} - -# func_xform libobj-or-source -func_xform () -{ - func_xform_result=`$ECHO "X${1}" | $Xsed -e 's/\.[^.]*$/.lo/'` -} - -# func_arith arithmetic-term... -func_arith () -{ - func_arith_result=`expr "$@"` -} - -# func_len string -# STRING may not start with a hyphen. -func_len () -{ - func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len` -} - -_LT_EOF -esac - -case $lt_shell_append in - yes) - cat << \_LT_EOF >> "$cfgfile" - -# func_append var value -# Append VALUE to the end of shell variable VAR. -func_append () -{ - eval "$1+=\$2" -} -_LT_EOF - ;; - *) - cat << \_LT_EOF >> "$cfgfile" - -# func_append var value -# Append VALUE to the end of shell variable VAR. -func_append () -{ - eval "$1=\$$1\$2" -} - -_LT_EOF - ;; - esac - - - sed -n '/^# Generated shell functions inserted here/,$p' "$ltmain" >> "$cfgfile" \ - || (rm -f "$cfgfile"; exit 1) - - mv -f "$cfgfile" "$ofile" || - (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") - chmod +x "$ofile" - - ;; - "libpng-config":F) chmod +x libpng-config ;; - - esac -done # for ac_tag - - -{ (exit 0); exit 0; } -_ACEOF -chmod +x $CONFIG_STATUS -ac_clean_files=$ac_clean_files_save - -test $ac_write_fail = 0 || - { { $as_echo "$as_me:$LINENO: error: write failure creating $CONFIG_STATUS" >&5 -$as_echo "$as_me: error: write failure creating $CONFIG_STATUS" >&2;} - { (exit 1); exit 1; }; } - - -# configure is writing to config.log, and then calls config.status. -# config.status does its own redirection, appending to config.log. -# Unfortunately, on DOS this fails, as config.log is still kept open -# by configure, so config.status won't be able to write to it; its -# output is simply discarded. So we exec the FD to /dev/null, -# effectively closing config.log, so it can be properly (re)opened and -# appended to by config.status. When coming back to configure, we -# need to make the FD available again. -if test "$no_create" != yes; then - ac_cs_success=: - ac_config_status_args= - test "$silent" = yes && - ac_config_status_args="$ac_config_status_args --quiet" - exec 5>/dev/null - $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false - exec 5>>config.log - # Use ||, not &&, to avoid exiting from the if with $? = 1, which - # would make configure fail if this is the last instruction. - $ac_cs_success || { (exit 1); exit 1; } -fi -if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then - { $as_echo "$as_me:$LINENO: WARNING: Unrecognized options: $ac_unrecognized_opts" >&5 -$as_echo "$as_me: WARNING: Unrecognized options: $ac_unrecognized_opts" >&2;} -fi - diff --git a/Build/source/libs/libpng/libpng-1.2.34/configure.ac b/Build/source/libs/libpng/libpng-1.2.34/configure.ac deleted file mode 100644 index eaee00572d8..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/configure.ac +++ /dev/null @@ -1,148 +0,0 @@ -# configure.ac - -dnl Process this file with autoconf to produce a configure script. -dnl -dnl Minor upgrades (compatible ABI): increment the package version -dnl (third field in two places below) and set the PNGLIB_RELEASE -dnl variable. -dnl -dnl Major upgrades (incompatible ABI): increment the package major -dnl version (second field, or first if desired), set the minor -dnl to 0, set PNGLIB_MAJOR below *and* follow the instructions in -dnl Makefile.am to upgrade the package name. - -dnl This is here to prevent earlier autoconf from being used, it -dnl should not be necessary to regenerate configure if the time -dnl stamps are correct -AC_PREREQ(2.59) - -dnl Version number stuff here: - -AC_INIT([libpng], [1.2.34], [png-mng-implement@lists.sourceforge.net]) -AM_INIT_AUTOMAKE -dnl stop configure from automagically running automake -AM_MAINTAINER_MODE - -PNGLIB_VERSION=1.2.34 -PNGLIB_MAJOR=1 -PNGLIB_MINOR=2 -PNGLIB_RELEASE=34 - -dnl End of version number stuff - -AC_CONFIG_SRCDIR([pngget.c]) -AM_CONFIG_HEADER(config.h) - -# Checks for programs. -AC_PROG_CC -AC_PROG_LD -AC_PROG_CPP -AC_CHECK_TOOL(SED, sed, :) -AC_LIBTOOL_WIN32_DLL -AC_PROG_INSTALL -AC_PROG_LN_S -AC_PROG_MAKE_SET -AC_PROG_LIBTOOL - -# Checks for header files. -AC_HEADER_STDC -AC_CHECK_HEADERS([malloc.h stdlib.h string.h strings.h]) - -# Checks for typedefs, structures, and compiler characteristics. -AC_C_CONST -AC_TYPE_SIZE_T -AC_STRUCT_TM - -# Checks for library functions. -AC_FUNC_STRTOD -AC_CHECK_FUNCS([memset], , AC_ERROR([memset not found in libc])) -AC_CHECK_FUNCS([pow], , AC_CHECK_LIB(m, pow, , AC_ERROR([cannot find pow])) ) -AC_CHECK_LIB(z, zlibVersion, , AC_ERROR([zlib not installed])) - -LIBPNG_DEFINES=-DPNG_CONFIGURE_LIBPNG -AC_MSG_CHECKING( - [if assembler code in pnggccrd.c can be compiled without PNG_NO_MMX_CODE]) -AC_TRY_COMPILE( - [#include "$srcdir/pnggccrd.c"], - [return 0;], - AC_MSG_RESULT(yes) - LIBPNG_NO_MMX="", - AC_MSG_RESULT(no) - LIBPNG_NO_MMX=-DPNG_NO_MMX_CODE) -LIBPNG_DEFINES=$LIBPNG_DEFINES\ $LIBPNG_NO_MMX -AC_SUBST(LIBPNG_DEFINES) -AC_SUBST(LIBPNG_NO_MMX) - -AC_MSG_CHECKING([if libraries can be versioned]) -GLD=`$LD --help < /dev/null 2>/dev/null | grep version-script` -if test "$GLD"; then - have_ld_version_script=yes - AC_MSG_RESULT(yes) -else - have_ld_version_script=no - AC_MSG_RESULT(no) - AC_MSG_WARN(*** You have not enabled versioned symbols.) -fi -AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes") - -if test "$have_ld_version_script" = "yes"; then - AC_MSG_CHECKING([for symbol prefix]) - SYMBOL_PREFIX=`echo "PREFIX=__USER_LABEL_PREFIX__" \ - | ${CPP-${CC-gcc} -E} - 2>&1 \ - | ${EGREP-grep} "^PREFIX=" \ - | ${SED-sed} "s:^PREFIX=::"` - AC_SUBST(SYMBOL_PREFIX) - AC_MSG_RESULT($SYMBOL_PREFIX) -fi - -# Substitutions for .in files -AC_SUBST(PNGLIB_VERSION) -AC_SUBST(PNGLIB_MAJOR) -AC_SUBST(PNGLIB_MINOR) -AC_SUBST(PNGLIB_RELEASE) - -# Additional arguments (and substitutions) -# Allow the pkg-config directory to be set -AC_ARG_WITH(pkgconfigdir, - AC_HELP_STRING([--with-pkgconfigdir], - [Use the specified pkgconfig dir (default is libdir/pkgconfig)]), - [pkgconfigdir=${withval}], - [pkgconfigdir='${libdir}/pkgconfig']) - -AC_SUBST([pkgconfigdir]) -AC_MSG_NOTICE([pkgconfig directory is ${pkgconfigdir}]) - -# Make the *-config binary config scripts optional -AC_ARG_WITH(binconfigs, - AC_HELP_STRING([--with-binconfigs], - [Generate shell libpng-config scripts as well as pkg-config data] - [@<:@default=yes@:>@]), - [if test "${withval}" = no; then - binconfigs= - AC_MSG_NOTICE([libpng-config scripts will not be built]) - else - binconfigs='${binconfigs}' - fi], - [binconfigs='${binconfigs}']) -AC_SUBST([binconfigs]) - -# Allow the old version number library, libpng.so, to be removed from -# the build -AC_ARG_WITH(libpng-compat, - AC_HELP_STRING([--with-libpng-compat], - [Generate the obsolete libpng.so library @<:@default=yes@:>@]), - [if test "${withval}" = no; then - compatlib= - AC_MSG_NOTICE([libpng.so will not be built]) - else - compatlib=libpng.la - fi], - [compatlib=libpng.la]) -AC_SUBST([compatlib]) - -# Config files, substituting as above -AC_CONFIG_FILES([Makefile libpng.pc:scripts/libpng.pc-configure.in]) -AC_CONFIG_FILES([libpng-config:scripts/libpng-config.in], - [chmod +x libpng-config]) - -AC_OUTPUT diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/COPYING b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/COPYING deleted file mode 100644 index d60c31a97a5..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/COPYING +++ /dev/null @@ -1,340 +0,0 @@ - GNU GENERAL PUBLIC LICENSE - Version 2, June 1991 - - Copyright (C) 1989, 1991 Free Software Foundation, Inc. - 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The licenses for most software are designed to take away your -freedom to share and change it. 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Of course, the commands you use may -be called something other than `show w' and `show c'; they could even be -mouse-clicks or menu items--whatever suits your program. - -You should also get your employer (if you work as a programmer) or your -school, if any, to sign a "copyright disclaimer" for the program, if -necessary. Here is a sample; alter the names: - - Yoyodyne, Inc., hereby disclaims all copyright interest in the program - `Gnomovision' (which makes passes at compilers) written by James Hacker. - - , 1 April 1989 - Ty Coon, President of Vice - -This General Public License does not permit incorporating your program into -proprietary programs. If your program is a subroutine library, you may -consider it more useful to permit linking proprietary applications with the -library. If this is what you want to do, use the GNU Library General -Public License instead of this License. diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/LICENSE b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/LICENSE deleted file mode 100644 index d9567178cb6..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/LICENSE +++ /dev/null @@ -1,50 +0,0 @@ - --------------------------------------------------------------------------- - - Copyright (c) 1998-2008 Greg Roelofs. All rights reserved. - - This software is provided "as is," without warranty of any kind, - express or implied. In no event shall the author or contributors - be held liable for any damages arising in any way from the use of - this software. - - The contents of this file are DUAL-LICENSED. You may modify and/or - redistribute this software according to the terms of one of the - following two licenses (at your option): - - - LICENSE 1 ("BSD-like with advertising clause"): - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute - it freely, subject to the following restrictions: - - 1. Redistributions of source code must retain the above copyright - notice, disclaimer, and this list of conditions. - 2. Redistributions in binary form must reproduce the above copyright - notice, disclaimer, and this list of conditions in the documenta- - tion and/or other materials provided with the distribution. - 3. All advertising materials mentioning features or use of this - software must display the following acknowledgment: - - This product includes software developed by Greg Roelofs - and contributors for the book, "PNG: The Definitive Guide," - published by O'Reilly and Associates. - - - LICENSE 2 (GNU GPL v2 or later): - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - --------------------------------------------------------------------------- diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/Makefile.mingw32 b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/Makefile.mingw32 deleted file mode 100644 index e70a59aef2b..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/Makefile.mingw32 +++ /dev/null @@ -1,130 +0,0 @@ -# Sample makefile for rpng-win / rpng2-win / wpng using mingw32-gcc and make. -# Greg Roelofs -# Last modified: 2 June 2007 -# -# The programs built by this makefile are described in the book, -# "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and -# Associates, 1999). Go buy a copy, eh? Well, OK, it's not -# generally for sale anymore, but it's the thought that counts, -# right? (Hint: http://www.libpng.org/pub/png/book/ ) -# -# Invoke this makefile from a DOS-prompt window via: -# -# make -f Makefile.mingw32 -# -# This makefile assumes libpng and zlib have already been built or downloaded -# and are in subdirectories at the same level as the current subdirectory -# (as indicated by the PNGDIR and ZDIR macros below). It makes no assumptions -# at all about the mingw32 installation tree (W32DIR). Edit as appropriate. -# -# Note that the names of the dynamic and static libpng and zlib libraries -# used below may change in later releases of the libraries. This makefile -# builds both statically and dynamically linked executables by default. -# (You need only one set, but for testing it can be handy to have both.) - - -# macros -------------------------------------------------------------------- - -#PNGDIR = ../..# for libpng-x.y.z/contrib/gregbook builds -PNGDIR = ../libpng-win32 -PNGINC = -I$(PNGDIR) -PNGLIBd = $(PNGDIR)/libpng.dll.a # dynamically linked -PNGLIBs = $(PNGDIR)/libpng.a # statically linked, local libpng - -#ZDIR = ../../../zlib-win32# for libpng-x.y.z/contrib/gregbook builds -ZDIR = ../zlib-win32 -ZINC = -I$(ZDIR) -ZLIBd = $(ZDIR)/libzdll.a -ZLIBs = $(ZDIR)/libz.a - -# change this to be the path where mingw32 installs its stuff: -W32DIR = -#W32DIR = /usr/local/cross-tools/i386-mingw32msvc -W32INC = -I$(W32DIR)/include -W32LIB = $(W32DIR)/lib/libuser32.a $(W32DIR)/lib/libgdi32.a - -CC = gcc -#CC = i386-mingw32msvc-gcc # e.g., Linux -> Win32 cross-compilation -LD = $(CC) -RM = rm -f -CFLAGS = -O -Wall $(INCS) $(MINGW_CCFLAGS) -# [note that -Wall is a gcc-specific compilation flag ("most warnings on")] -# [-ansi, -pedantic and -W can also be used] -LDFLAGS = $(MINGW_LDFLAGS) -O = .o -E = .exe - -INCS = $(PNGINC) $(ZINC) $(W32INC) -RLIBSd = $(PNGLIBd) $(ZLIBd) $(W32LIB) -lm -RLIBSs = $(PNGLIBs) $(ZLIBs) $(W32LIB) -lm -WLIBSd = $(PNGLIBd) $(ZLIBd) -WLIBSs = $(PNGLIBs) $(ZLIBs) - -RPNG = rpng-win -RPNG2 = rpng2-win -WPNG = wpng - -ROBJSd = $(RPNG)$(O) readpng.pic$(O) -ROBJS2d = $(RPNG2)$(O) readpng2.pic$(O) -WOBJSd = $(WPNG)$(O) writepng.pic$(O) - -RPNGs = $(RPNG)-static -RPNG2s = $(RPNG2)-static -WPNGs = $(WPNG)-static - -ROBJSs = $(RPNG)$(O) readpng$(O) -ROBJS2s = $(RPNG2)$(O) readpng2$(O) -WOBJSs = $(WPNG)$(O) writepng$(O) - -STATIC_EXES = $(RPNGs)$(E) $(RPNG2s)$(E) $(WPNGs)$(E) -DYNAMIC_EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E) - -EXES = $(STATIC_EXES) $(DYNAMIC_EXES) - - -# implicit make rules ------------------------------------------------------- - -.c$(O): - $(CC) -c $(CFLAGS) $< - -%.pic$(O): %.c - $(CC) -c $(CFLAGS) -DPNG_BUILD_DLL -o $@ $< - - -# dependencies -------------------------------------------------------------- - -all: $(EXES) - -$(RPNGs)$(E): $(ROBJSs) - $(LD) $(LDFLAGS) -o $@ $(ROBJSs) $(RLIBSs) - -$(RPNG)$(E): $(ROBJSd) - $(LD) $(LDFLAGS) -o $@ $(ROBJSd) $(RLIBSd) - -$(RPNG2s)$(E): $(ROBJS2s) - $(LD) $(LDFLAGS) -o $@ $(ROBJS2s) $(RLIBSs) - -$(RPNG2)$(E): $(ROBJS2d) - $(LD) $(LDFLAGS) -o $@ $(ROBJS2d) $(RLIBSd) - -$(WPNGs)$(E): $(WOBJSs) - $(LD) $(LDFLAGS) -o $@ $(WOBJSs) $(WLIBSs) - -$(WPNG)$(E): $(WOBJSd) - $(LD) $(LDFLAGS) -o $@ $(WOBJSd) $(WLIBSd) - -$(RPNG)$(O): $(RPNG).c readpng.h -$(RPNG2)$(O): $(RPNG2).c readpng2.h -$(WPNG)$(O): $(WPNG).c writepng.h - -readpng$(O) readpng.pic$(O): readpng.c readpng.h -readpng2$(O) readpng2.pic$(O): readpng2.c readpng2.h -writepng$(O) writepng.pic$(O): writepng.c writepng.h - - -# maintenance --------------------------------------------------------------- - -clean: - $(RM) $(EXES) - $(RM) $(ROBJSs) $(ROBJS2s) $(WOBJSs) - $(RM) $(ROBJSd) $(ROBJS2d) $(WOBJSd) diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/Makefile.sgi b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/Makefile.sgi deleted file mode 100644 index e3ca6ce4c86..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/Makefile.sgi +++ /dev/null @@ -1,104 +0,0 @@ -# Sample makefile for rpng-x / rpng2-x / wpng for SGI using cc and make. -# Greg Roelofs -# Last modified: 7 March 2002 -# -# The programs built by this makefile are described in the book, -# "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and -# Associates, 1999). Go buy a copy, eh? Buy some for friends -# and family, too. (Not that this is a blatant plug or anything.) -# -# Invoke this makefile from a shell prompt in the usual way; for example: -# -# make -f Makefile.sgi -# -# This makefile assumes libpng and zlib have already been built or downloaded -# and are both installed in /usr/local/{include,lib} (as indicated by the -# PNG* and Z* macros below). Edit as appropriate--choose only ONE each of -# the PNGINC, PNGLIB, ZINC and ZLIB lines. -# -# This makefile builds dynamically linked executables (against libpng and zlib, -# that is), but that can be changed by uncommenting the appropriate PNGLIB and -# ZLIB lines. - - -# macros -------------------------------------------------------------------- - -PNGINC = -I/usr/local/include/libpng12 -PNGLIB = -L/usr/local/lib -lpng12 # dynamically linked against libpng -#PNGLIB = /usr/local/lib/libpng12.a # statically linked against libpng -# or: -#PNGINC = -I../.. -#PNGLIB = -L../.. -lpng -#PNGLIB = ../../libpng.a - -ZINC = -I/usr/local/include -ZLIB = -L/usr/local/lib -lz # dynamically linked against zlib -#ZLIB = /usr/local/lib/libz.a # statically linked against zlib -#ZINC = -I../zlib -#ZLIB = -L../zlib -lz -#ZLIB = ../../../zlib/libz.a - -XINC = -I/usr/include/X11 # old-style, stock X distributions -XLIB = -L/usr/lib/X11 -lX11 -#XINC = -I/usr/openwin/include # Sun workstations (OpenWindows) -#XLIB = -L/usr/openwin/lib -lX11 -#XINC = -I/usr/X11R6/include # new X distributions (XFree86, etc.) -#XLIB = -L/usr/X11R6/lib -lX11 - -INCS = $(PNGINC) $(ZINC) $(XINC) -RLIBS = $(PNGLIB) $(ZLIB) $(XLIB) -lm -WLIBS = $(PNGLIB) $(ZLIB) - -CC = cc -LD = cc -RM = rm -f -# ABI must be the same as that used to build libpng. -ABI= -CFLAGS = $(ABI) -O -fullwarn $(INCS) -LDFLAGS = $(ABI) -O = .o -E = - -RPNG = rpng-x -RPNG2 = rpng2-x -WPNG = wpng - -ROBJS = $(RPNG)$(O) readpng$(O) -ROBJS2 = $(RPNG2)$(O) readpng2$(O) -WOBJS = $(WPNG)$(O) writepng$(O) - -EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E) - - -# implicit make rules ------------------------------------------------------- - -.c$(O): - $(CC) -c $(CFLAGS) $< - - -# dependencies -------------------------------------------------------------- - -all: $(EXES) - -$(RPNG)$(E): $(ROBJS) - $(LD) $(LDFLAGS) -o $@ $(ROBJS) $(RLIBS) - -$(RPNG2)$(E): $(ROBJS2) - $(LD) $(LDFLAGS) -o $@ $(ROBJS2) $(RLIBS) - -$(WPNG)$(E): $(WOBJS) - $(LD) $(LDFLAGS) -o $@ $(WOBJS) $(WLIBS) - -$(RPNG)$(O): $(RPNG).c readpng.h -$(RPNG2)$(O): $(RPNG2).c readpng2.h -$(WPNG)$(O): $(WPNG).c writepng.h - -readpng$(O): readpng.c readpng.h -readpng2$(O): readpng2.c readpng2.h -writepng$(O): writepng.c writepng.h - - -# maintenance --------------------------------------------------------------- - -clean: - $(RM) $(EXES) $(ROBJS) $(ROBJS2) $(WOBJS) diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/Makefile.unx b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/Makefile.unx deleted file mode 100644 index 7ff65bfb748..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/Makefile.unx +++ /dev/null @@ -1,132 +0,0 @@ -# Sample makefile for rpng-x / rpng2-x / wpng using gcc and make. -# Greg Roelofs -# Last modified: 2 June 2007 -# -# The programs built by this makefile are described in the book, -# "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and -# Associates, 1999). Go buy a copy, eh? Well, OK, it's not -# generally for sale anymore, but it's the thought that counts, -# right? (Hint: http://www.libpng.org/pub/png/book/ ) -# -# Invoke this makefile from a shell prompt in the usual way; for example: -# -# make -f Makefile.unx -# -# This makefile assumes libpng and zlib have already been built or downloaded -# and are installed in /usr/local/{include,lib} or as otherwise indicated by -# the PNG* and Z* macros below. Edit as appropriate--choose only ONE each of -# the PNGINC, PNGLIBd, PNGLIBs, ZINC, ZLIBd and ZLIBs lines. -# -# This makefile builds both dynamically and statically linked executables -# (against libpng and zlib, that is), but that can be changed by modifying -# the "EXES =" line. (You need only one set, but for testing it can be handy -# to have both.) - - -# macros -------------------------------------------------------------------- - -#PNGDIR = /usr/local/lib -#PNGINC = -I/usr/local/include/libpng12 -#PNGLIBd = -L$(PNGDIR) -lpng12 # dynamically linked, installed libpng -#PNGLIBs = $(PNGDIR)/libpng12.a # statically linked, installed libpng -# or: -PNGDIR = ../..# this one is for libpng-x.y.z/contrib/gregbook builds -#PNGDIR = ../libpng -PNGINC = -I$(PNGDIR) -PNGLIBd = -Wl,-rpath,$(PNGDIR) -L$(PNGDIR) -lpng12 # dynamically linked -PNGLIBs = $(PNGDIR)/libpng.a # statically linked, local libpng - -ZDIR = /usr/local/lib -#ZDIR = /usr/lib64 -ZINC = -I/usr/local/include -ZLIBd = -L$(ZDIR) -lz # dynamically linked against zlib -ZLIBs = $(ZDIR)/libz.a # statically linked against zlib -# or: -#ZDIR = ../zlib -#ZINC = -I$(ZDIR) -#ZLIBd = -Wl,-rpath,$(ZDIR) -L$(ZDIR) -lz # -rpath allows in-place testing -#ZLIBs = $(ZDIR)/libz.a - -#XINC = -I/usr/include # old-style, stock X distributions -#XLIB = -L/usr/lib/X11 -lX11 # (including SGI IRIX) -#XINC = -I/usr/openwin/include # Sun workstations (OpenWindows) -#XLIB = -L/usr/openwin/lib -lX11 -XINC = -I/usr/X11R6/include # new X distributions (X.org, etc.) -XLIB = -L/usr/X11R6/lib -lX11 -#XLIB = -L/usr/X11R6/lib64 -lX11 # e.g., Red Hat on AMD64 - -INCS = $(PNGINC) $(ZINC) $(XINC) -RLIBSd = $(PNGLIBd) $(ZLIBd) $(XLIB) -lm -RLIBSs = $(PNGLIBs) $(ZLIBs) $(XLIB) -lm -WLIBSd = $(PNGLIBd) $(ZLIBd) -lm -WLIBSs = $(PNGLIBs) $(ZLIBs) - -CC = gcc -LD = gcc -RM = rm -f -CFLAGS = -O -Wall $(INCS) -DFEATURE_LOOP -# [note that -Wall is a gcc-specific compilation flag ("most warnings on")] -# [-ansi, -pedantic and -W can also be used] -LDFLAGS = -O = .o -E = - -RPNG = rpng-x -RPNG2 = rpng2-x -WPNG = wpng - -RPNGs = $(RPNG)-static -RPNG2s = $(RPNG2)-static -WPNGs = $(WPNG)-static - -ROBJS = $(RPNG)$(O) readpng$(O) -ROBJS2 = $(RPNG2)$(O) readpng2$(O) -WOBJS = $(WPNG)$(O) writepng$(O) - -STATIC_EXES = $(RPNGs)$(E) $(RPNG2s)$(E) $(WPNGs)$(E) -DYNAMIC_EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E) - -EXES = $(STATIC_EXES) $(DYNAMIC_EXES) - - -# implicit make rules ------------------------------------------------------- - -.c$(O): - $(CC) -c $(CFLAGS) $< - - -# dependencies -------------------------------------------------------------- - -all: $(EXES) - -$(RPNGs)$(E): $(ROBJS) - $(LD) $(LDFLAGS) -o $@ $(ROBJS) $(RLIBSs) - -$(RPNG)$(E): $(ROBJS) - $(LD) $(LDFLAGS) -o $@ $(ROBJS) $(RLIBSd) - -$(RPNG2s)$(E): $(ROBJS2) - $(LD) $(LDFLAGS) -o $@ $(ROBJS2) $(RLIBSs) - -$(RPNG2)$(E): $(ROBJS2) - $(LD) $(LDFLAGS) -o $@ $(ROBJS2) $(RLIBSd) - -$(WPNGs)$(E): $(WOBJS) - $(LD) $(LDFLAGS) -o $@ $(WOBJS) $(WLIBSs) - -$(WPNG)$(E): $(WOBJS) - $(LD) $(LDFLAGS) -o $@ $(WOBJS) $(WLIBSd) - -$(RPNG)$(O): $(RPNG).c readpng.h -$(RPNG2)$(O): $(RPNG2).c readpng2.h -$(WPNG)$(O): $(WPNG).c writepng.h - -readpng$(O): readpng.c readpng.h -readpng2$(O): readpng2.c readpng2.h -writepng$(O): writepng.c writepng.h - - -# maintenance --------------------------------------------------------------- - -clean: - $(RM) $(EXES) $(ROBJS) $(ROBJS2) $(WOBJS) diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/Makefile.w32 b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/Makefile.w32 deleted file mode 100644 index 3c0808593c3..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/Makefile.w32 +++ /dev/null @@ -1,113 +0,0 @@ -# Sample makefile for rpng-win / rpng2-win / wpng using MSVC and NMAKE. -# Greg Roelofs -# Last modified: 2 June 2007 -# -# The programs built by this makefile are described in the book, -# "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and -# Associates, 1999). Go buy a copy, eh? Well, OK, it's not -# generally for sale anymore, but it's the thought that counts, -# right? (Hint: http://www.libpng.org/pub/png/book/ ) -# -# Invoke this makefile from a DOS prompt window via: -# -# %devstudio%\vc\bin\vcvars32.bat -# nmake -nologo -f Makefile.w32 -# -# where %devstudio% is the installation directory for MSVC / DevStudio. If -# you get "environment out of space" errors, create a desktop shortcut with -# "c:\windows\command.com /e:4096" as the program command line and set the -# working directory to this directory. Then double-click to open the new -# DOS-prompt window with a bigger environment and retry the commands above. -# -# This makefile assumes libpng and zlib have already been built or downloaded -# and are in subdirectories at the same level as the current subdirectory -# (as indicated by the PNGPATH and ZPATH macros below). Edit as appropriate. -# -# Note that the names of the dynamic and static libpng and zlib libraries -# used below may change in later releases of the libraries. This makefile -# builds statically linked executables, but that can be changed by uncom- -# menting the appropriate PNGLIB and ZLIB lines. - -!include - - -# macros -------------------------------------------------------------------- - -PNGPATH = ../libpng -PNGINC = -I$(PNGPATH) -#PNGLIB = $(PNGPATH)/pngdll.lib -PNGLIB = $(PNGPATH)/libpng.lib - -ZPATH = ../zlib -ZINC = -I$(ZPATH) -#ZLIB = $(ZPATH)/zlibdll.lib -ZLIB = $(ZPATH)/zlibstat.lib - -WINLIBS = -defaultlib:user32.lib gdi32.lib -# ["real" apps may also need comctl32.lib, comdlg32.lib, winmm.lib, etc.] - -INCS = $(PNGINC) $(ZINC) -RLIBS = $(PNGLIB) $(ZLIB) $(WINLIBS) -WLIBS = $(PNGLIB) $(ZLIB) - -CC = cl -LD = link -RM = del -CFLAGS = -nologo -O -W3 $(INCS) $(cvars) -# [note that -W3 is an MSVC-specific compilation flag ("all warnings on")] -# [see %devstudio%\vc\include\win32.mak for cvars macro definition] -O = .obj -E = .exe - -RLDFLAGS = -nologo -subsystem:windows -WLDFLAGS = -nologo - -RPNG = rpng-win -RPNG2 = rpng2-win -WPNG = wpng - -ROBJS = $(RPNG)$(O) readpng$(O) -ROBJS2 = $(RPNG2)$(O) readpng2$(O) -WOBJS = $(WPNG)$(O) writepng$(O) - -EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E) - - -# implicit make rules ------------------------------------------------------- - -.c$(O): - $(CC) -c $(CFLAGS) $< - - -# dependencies -------------------------------------------------------------- - -all: $(EXES) - -$(RPNG)$(E): $(ROBJS) - $(LD) $(RLDFLAGS) -out:$@ $(ROBJS) $(RLIBS) - -$(RPNG2)$(E): $(ROBJS2) - $(LD) $(RLDFLAGS) -out:$@ $(ROBJS2) $(RLIBS) - -$(WPNG)$(E): $(WOBJS) - $(LD) $(WLDFLAGS) -out:$@ $(WOBJS) $(WLIBS) - -$(RPNG)$(O): $(RPNG).c readpng.h -$(RPNG2)$(O): $(RPNG2).c readpng2.h -$(WPNG)$(O): $(WPNG).c writepng.h - -readpng$(O): readpng.c readpng.h -readpng2$(O): readpng2.c readpng2.h -writepng$(O): writepng.c writepng.h - - -# maintenance --------------------------------------------------------------- - -clean: -# ideally we could just do this: -# $(RM) $(EXES) $(ROBJS) $(ROBJS2) $(WOBJS) -# ...but the Windows "DEL" command is none too bright, so: - $(RM) r*$(E) - $(RM) w*$(E) - $(RM) r*$(O) - $(RM) w*$(O) diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/README b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/README deleted file mode 100644 index cb6e5257e65..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/README +++ /dev/null @@ -1,186 +0,0 @@ - =========================== - PNG: The Definitive Guide - =========================== - - Source Code - -Chapters 13, 14 and 15 of "PNG: The Definitive Guide" discuss three free, -cross-platform demo programs that show how to use the libpng reference -library: rpng, rpng2 and wpng. rpng and rpng2 are viewers; the first is -a very simple example that that shows how a standard file-viewer might use -libpng, while the second is designed to process streaming data and shows -how a web browser might be written. wpng is a simple command-line program -that reads binary PGM and PPM files (the ``raw'' grayscale and RGB subsets -of PBMPLUS/NetPBM) and converts them to PNG. - -The source code for all three demo programs currently compiles under -Unix, OpenVMS, and 32-bit Windows. (Special thanks to Martin Zinser, -zinser@decus.de, for making the necessary changes for OpenVMS and for -providing an appropriate build script.) Build instructions can be found -below. - -Files: - - README this file - LICENSE terms of distribution and reuse (BSD-like or GNU GPL) - COPYING GNU General Public License (GPL) - - Makefile.unx Unix makefile - Makefile.w32 Windows (MSVC) makefile - makevms.com OpenVMS build script - - rpng-win.c Windows front end for the basic viewer - rpng-x.c X Window System (Unix, OpenVMS) front end - readpng.c generic back end for the basic viewer - readpng.h header file for the basic viewer - - rpng2-win.c Windows front end for the progressive viewer - rpng2-x.c X front end for the progressive viewer - readpng2.c generic back end for the progressive viewer - readpng2.h header file for the progressive viewer - - wpng.c generic (text) front end for the converter - writepng.c generic back end for the converter - writepng.h header file for the converter - - toucan.png transparent PNG for testing (by Stefan Schneider) - -Note that, although the programs are designed to be functional, their -primary purpose is to illustrate how to use libpng to add PNG support to -other programs. As such, their user interfaces are crude and definitely -are not intended for everyday use. - -Please see http://www.libpng.org/pub/png/pngbook.html for further infor- -mation and links to the latest version of the source code, and Chapters -13-15 of the book for detailed discussion of the three programs. - -Greg Roelofs -http://pobox.com/~newt/greg_contact.html -16 March 2008 - - -BUILD INSTRUCTIONS - - - Prerequisites (in order of compilation): - - - zlib http://zlib.net/ - - libpng http://www.libpng.org/pub/png/libpng.html - - pngbook http://www.libpng.org/pub/png/book/sources.html - - The pngbook demo programs are explicitly designed to demonstrate proper - coding techniques for using the libpng reference library. As a result, - you need to download and build both zlib (on which libpng depends) and - libpng. A common build setup is to place the zlib, libpng and pngbook - subdirectory trees ("folders") in the same parent directory. Then the - libpng build can refer to files in ../zlib (or ..\zlib or [-.zlib]), - and similarly for the pngbook build. - - Note that all three packages are designed to be built from a command - line by default; those who wish to use a graphical or other integrated - development environments are on their own. - - - - Unix: - - Unpack the latest pngbook sources (which should correspond to this - README file) into a directory and change into that directory. - - Copy Makefile.unx to Makefile and edit the PNG* and Z* variables - appropriately (possibly also the X* variables if necessary). - - make - - There is no "install" target, so copy the three executables somewhere - in your path or run them from the current directory. All three will - print a basic usage screen when run without any command-line arguments; - see the book for more details. - - - - Windows: - - Unpack the latest pngbook sources (which should correspond to this - README file) into a folder, open a "DOS shell" or "command prompt" - or equivalent command-line window, and cd into the folder where you - unpacked the source code. - - For MSVC, set up the necessary environment variables by invoking - - %devstudio%\vc\bin\vcvars32.bat - - where where %devstudio% is the installation directory for MSVC / - DevStudio. If you get "environment out of space" errors under 95/98, - create a desktop shortcut with "c:\windows\command.com /e:4096" as - the program command line and set the working directory to the pngbook - directory. Then double-click to open the new DOS-prompt window with - a bigger environment and retry the commands above. - - Copy Makefile.w32 to Makefile and edit the PNGPATH and ZPATH variables - appropriately (possibly also the "INC" and "LIB" variables if needed). - Note that the names of the dynamic and static libpng and zlib libraries - used in the makefile may change in later releases of the libraries. - Also note that, as of libpng version 1.0.5, MSVC DLL builds do not work. - This makefile therefore builds statically linked executables, but if - the DLL problems ever get fixed, uncommenting the appropriate PNGLIB - and ZLIB lines will build dynamically linked executables instead. - - Do the build by typing - - nmake - - The result should be three executables: rpng-win.exe, rpng2-win.exe, - and wpng.exe. Copy them somewhere in your PATH or run them from the - current folder. Like the Unix versions, the two windowed programs - (rpng and rpng2) now display a usage screen in a console window when - invoked without command-line arguments; this is new behavior as of - the June 2001 release. Note that the programs use the Unix-style "-" - character to specify options, instead of the more common DOS/Windows - "/" character. (For example: "rpng2-win -bgpat 4 foo.png", not - "rpng2-win /bgpat 4 foo.png") - - - - OpenVMS: - - Unpack the pngbook sources into a subdirectory and change into that - subdirectory. - - Edit makevms.com appropriately, specifically the zpath and pngpath - variables. - - @makevms - - To run the programs, they probably first need to be set up as "foreign - symbols," with "disk" and "dir" set appropriately: - - $ rpng == "$disk:[dir]rpng-x.exe" - $ rpng2 == "$disk:[dir]rpng2-x.exe" - $ wpng == "$disk:[dir]wpng.exe" - - All three will print a basic usage screen when run without any command- - line arguments; see the book for more details. Note that the options - style is Unix-like, i.e., preceded by "-" rather than "/". - - -RUNNING THE PROGRAMS: (VERY) BRIEF INTRO - - rpng is a simple PNG viewer that can display transparent PNGs with a - specified background color; for example, - - rpng -bgcolor #ff0000 toucan.png - - would display the image with a red background. rpng2 is a progressive - viewer that simulates a web browser in some respects; it can display - images against either a background color or a dynamically generated - background image. For example: - - rpng2 -bgpat 16 toucan.png - - wpng is a purely command-line image converter from binary PBMPLUS/NetPBM - format (.pgm or .ppm) to PNG; for example, - - wpng -time < toucan-notrans.ppm > toucan-notrans.png - - would convert the specified PPM file (using redirection) to PNG, auto- - matically setting the PNG modification-time chunk. - - All options can be abbreviated to the shortest unique value; for example, - "-bgc" for -bgcolor (versus "-bgp" for -bgpat), or "-g" for -gamma. diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/makevms.com b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/makevms.com deleted file mode 100644 index bd37dc0d772..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/makevms.com +++ /dev/null @@ -1,132 +0,0 @@ -$!------------------------------------------------------------------------------ -$! make "PNG: The Definitive Guide" demo programs (for X) under OpenVMS -$! -$! Script created by Martin Zinser for libpng; modified by Greg Roelofs -$! for standalone pngbook source distribution. -$! -$! -$! Set locations where zlib and libpng sources live. -$! -$ zpath = "" -$ pngpath = "" -$! -$ if f$search("[---.zlib]zlib.h").nes."" then zpath = "[---.zlib]" -$ if f$search("[--]png.h").nes."" then pngpath = "[--]" -$! -$ if f$search("[-.zlib]zlib.h").nes."" then zpath = "[-.zlib]" -$ if f$search("[-.libpng]png.h").nes."" then pngpath = "[-.libpng]" -$! -$ if zpath .eqs. "" -$ then -$ write sys$output "zlib include not found. Exiting..." -$ exit 2 -$ endif -$! -$ if pngpath .eqs. "" -$ then -$ write sys$output "libpng include not found. Exiting..." -$ exit 2 -$ endif -$! -$! Look for the compiler used. -$! -$ ccopt="/include=(''zpath',''pngpath')" -$ if f$getsyi("HW_MODEL").ge.1024 -$ then -$ ccopt = "/prefix=all"+ccopt -$ comp = "__decc__=1" -$ if f$trnlnm("SYS").eqs."" then define sys sys$library: -$ else -$ if f$search("SYS$SYSTEM:DECC$COMPILER.EXE").eqs."" -$ then -$ if f$trnlnm("SYS").eqs."" then define sys sys$library: -$ if f$search("SYS$SYSTEM:VAXC.EXE").eqs."" -$ then -$ comp = "__gcc__=1" -$ CC :== GCC -$ else -$ comp = "__vaxc__=1" -$ endif -$ else -$ if f$trnlnm("SYS").eqs."" then define sys decc$library_include: -$ ccopt = "/decc/prefix=all"+ccopt -$ comp = "__decc__=1" -$ endif -$ endif -$ open/write lopt lib.opt -$ write lopt "''pngpath'libpng.olb/lib" -$ write lopt "''zpath'libz.olb/lib" -$ close lopt -$ open/write xopt x11.opt -$ write xopt "sys$library:decw$xlibshr.exe/share" -$ close xopt -$! -$! Build 'em. -$! -$ write sys$output "Compiling PNG book programs ..." -$ CALL MAKE readpng.OBJ "cc ''CCOPT' readpng" - - readpng.c readpng.h -$ CALL MAKE readpng2.OBJ "cc ''CCOPT' readpng2" - - readpng2.c readpng2.h -$ CALL MAKE writepng.OBJ "cc ''CCOPT' writepng" - - writepng.c writepng.h -$ write sys$output "Building rpng-x..." -$ CALL MAKE rpng-x.OBJ "cc ''CCOPT' rpng-x" - - rpng-x.c readpng.h -$ call make rpng-x.exe - - "LINK rpng-x,readpng,lib.opt/opt,x11.opt/opt" - - rpng-x.obj readpng.obj -$ write sys$output "Building rpng2-x..." -$ CALL MAKE rpng2-x.OBJ "cc ''CCOPT' rpng2-x" - - rpng2-x.c readpng2.h -$ call make rpng2-x.exe - - "LINK rpng2-x,readpng2,lib.opt/opt,x11.opt/opt" - - rpng2-x.obj readpng2.obj -$ write sys$output "Building wpng..." -$ CALL MAKE wpng.OBJ "cc ''CCOPT' wpng" - - wpng.c writepng.h -$ call make wpng.exe - - "LINK wpng,writepng,lib.opt/opt" - - wpng.obj writepng.obj -$ exit -$! -$! -$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES -$ V = 'F$Verify(0) -$! P1 = What we are trying to make -$! P2 = Command to make it -$! P3 - P8 What it depends on -$ -$ If F$Search(P1) .Eqs. "" Then Goto Makeit -$ Time = F$CvTime(F$File(P1,"RDT")) -$arg=3 -$Loop: -$ Argument = P'arg -$ If Argument .Eqs. "" Then Goto Exit -$ El=0 -$Loop2: -$ File = F$Element(El," ",Argument) -$ If File .Eqs. " " Then Goto Endl -$ AFile = "" -$Loop3: -$ OFile = AFile -$ AFile = F$Search(File) -$ If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl -$ If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit -$ Goto Loop3 -$NextEL: -$ El = El + 1 -$ Goto Loop2 -$EndL: -$ arg=arg+1 -$ If arg .Le. 8 Then Goto Loop -$ Goto Exit -$ -$Makeit: -$ VV=F$VERIFY(0) -$ write sys$output P2 -$ 'P2 -$ VV='F$Verify(VV) -$Exit: -$ If V Then Set Verify -$ENDSUBROUTINE diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readpng.c b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readpng.c deleted file mode 100644 index d87f6c7ed16..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readpng.c +++ /dev/null @@ -1,304 +0,0 @@ -/*--------------------------------------------------------------------------- - - rpng - simple PNG display program readpng.c - - --------------------------------------------------------------------------- - - Copyright (c) 1998-2007 Greg Roelofs. All rights reserved. - - This software is provided "as is," without warranty of any kind, - express or implied. In no event shall the author or contributors - be held liable for any damages arising in any way from the use of - this software. - - The contents of this file are DUAL-LICENSED. You may modify and/or - redistribute this software according to the terms of one of the - following two licenses (at your option): - - - LICENSE 1 ("BSD-like with advertising clause"): - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute - it freely, subject to the following restrictions: - - 1. Redistributions of source code must retain the above copyright - notice, disclaimer, and this list of conditions. - 2. Redistributions in binary form must reproduce the above copyright - notice, disclaimer, and this list of conditions in the documenta- - tion and/or other materials provided with the distribution. - 3. All advertising materials mentioning features or use of this - software must display the following acknowledgment: - - This product includes software developed by Greg Roelofs - and contributors for the book, "PNG: The Definitive Guide," - published by O'Reilly and Associates. - - - LICENSE 2 (GNU GPL v2 or later): - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - ---------------------------------------------------------------------------*/ - -#include -#include - -#include "png.h" /* libpng header; includes zlib.h */ -#include "readpng.h" /* typedefs, common macros, public prototypes */ - -/* future versions of libpng will provide this macro: */ -#ifndef png_jmpbuf -# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf) -#endif - - -static png_structp png_ptr = NULL; -static png_infop info_ptr = NULL; - -png_uint_32 width, height; -int bit_depth, color_type; -uch *image_data = NULL; - - -void readpng_version_info(void) -{ - fprintf(stderr, " Compiled with libpng %s; using libpng %s.\n", - PNG_LIBPNG_VER_STRING, png_libpng_ver); - fprintf(stderr, " Compiled with zlib %s; using zlib %s.\n", - ZLIB_VERSION, zlib_version); -} - - -/* return value = 0 for success, 1 for bad sig, 2 for bad IHDR, 4 for no mem */ - -int readpng_init(FILE *infile, ulg *pWidth, ulg *pHeight) -{ - uch sig[8]; - - - /* first do a quick check that the file really is a PNG image; could - * have used slightly more general png_sig_cmp() function instead */ - - fread(sig, 1, 8, infile); - if (!png_check_sig(sig, 8)) - return 1; /* bad signature */ - - - /* could pass pointers to user-defined error handlers instead of NULLs: */ - - png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); - if (!png_ptr) - return 4; /* out of memory */ - - info_ptr = png_create_info_struct(png_ptr); - if (!info_ptr) { - png_destroy_read_struct(&png_ptr, NULL, NULL); - return 4; /* out of memory */ - } - - - /* we could create a second info struct here (end_info), but it's only - * useful if we want to keep pre- and post-IDAT chunk info separated - * (mainly for PNG-aware image editors and converters) */ - - - /* setjmp() must be called in every function that calls a PNG-reading - * libpng function */ - - if (setjmp(png_jmpbuf(png_ptr))) { - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - return 2; - } - - - png_init_io(png_ptr, infile); - png_set_sig_bytes(png_ptr, 8); /* we already read the 8 signature bytes */ - - png_read_info(png_ptr, info_ptr); /* read all PNG info up to image data */ - - - /* alternatively, could make separate calls to png_get_image_width(), - * etc., but want bit_depth and color_type for later [don't care about - * compression_type and filter_type => NULLs] */ - - png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, - NULL, NULL, NULL); - *pWidth = width; - *pHeight = height; - - - /* OK, that's all we need for now; return happy */ - - return 0; -} - - - - -/* returns 0 if succeeds, 1 if fails due to no bKGD chunk, 2 if libpng error; - * scales values to 8-bit if necessary */ - -int readpng_get_bgcolor(uch *red, uch *green, uch *blue) -{ - png_color_16p pBackground; - - - /* setjmp() must be called in every function that calls a PNG-reading - * libpng function */ - - if (setjmp(png_jmpbuf(png_ptr))) { - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - return 2; - } - - - if (!png_get_valid(png_ptr, info_ptr, PNG_INFO_bKGD)) - return 1; - - /* it is not obvious from the libpng documentation, but this function - * takes a pointer to a pointer, and it always returns valid red, green - * and blue values, regardless of color_type: */ - - png_get_bKGD(png_ptr, info_ptr, &pBackground); - - - /* however, it always returns the raw bKGD data, regardless of any - * bit-depth transformations, so check depth and adjust if necessary */ - - if (bit_depth == 16) { - *red = pBackground->red >> 8; - *green = pBackground->green >> 8; - *blue = pBackground->blue >> 8; - } else if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) { - if (bit_depth == 1) - *red = *green = *blue = pBackground->gray? 255 : 0; - else if (bit_depth == 2) - *red = *green = *blue = (255/3) * pBackground->gray; - else /* bit_depth == 4 */ - *red = *green = *blue = (255/15) * pBackground->gray; - } else { - *red = (uch)pBackground->red; - *green = (uch)pBackground->green; - *blue = (uch)pBackground->blue; - } - - return 0; -} - - - - -/* display_exponent == LUT_exponent * CRT_exponent */ - -uch *readpng_get_image(double display_exponent, int *pChannels, ulg *pRowbytes) -{ - double gamma; - png_uint_32 i, rowbytes; - png_bytepp row_pointers = NULL; - - - /* setjmp() must be called in every function that calls a PNG-reading - * libpng function */ - - if (setjmp(png_jmpbuf(png_ptr))) { - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - return NULL; - } - - - /* expand palette images to RGB, low-bit-depth grayscale images to 8 bits, - * transparency chunks to full alpha channel; strip 16-bit-per-sample - * images to 8 bits per sample; and convert grayscale to RGB[A] */ - - if (color_type == PNG_COLOR_TYPE_PALETTE) - png_set_expand(png_ptr); - if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) - png_set_expand(png_ptr); - if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) - png_set_expand(png_ptr); - if (bit_depth == 16) - png_set_strip_16(png_ptr); - if (color_type == PNG_COLOR_TYPE_GRAY || - color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - png_set_gray_to_rgb(png_ptr); - - - /* unlike the example in the libpng documentation, we have *no* idea where - * this file may have come from--so if it doesn't have a file gamma, don't - * do any correction ("do no harm") */ - - if (png_get_gAMA(png_ptr, info_ptr, &gamma)) - png_set_gamma(png_ptr, display_exponent, gamma); - - - /* all transformations have been registered; now update info_ptr data, - * get rowbytes and channels, and allocate image memory */ - - png_read_update_info(png_ptr, info_ptr); - - *pRowbytes = rowbytes = png_get_rowbytes(png_ptr, info_ptr); - *pChannels = (int)png_get_channels(png_ptr, info_ptr); - - if ((image_data = (uch *)malloc(rowbytes*height)) == NULL) { - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - return NULL; - } - if ((row_pointers = (png_bytepp)malloc(height*sizeof(png_bytep))) == NULL) { - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - free(image_data); - image_data = NULL; - return NULL; - } - - Trace((stderr, "readpng_get_image: channels = %d, rowbytes = %ld, height = %ld\n", *pChannels, rowbytes, height)); - - - /* set the individual row_pointers to point at the correct offsets */ - - for (i = 0; i < height; ++i) - row_pointers[i] = image_data + i*rowbytes; - - - /* now we can go ahead and just read the whole image */ - - png_read_image(png_ptr, row_pointers); - - - /* and we're done! (png_read_end() can be omitted if no processing of - * post-IDAT text/time/etc. is desired) */ - - free(row_pointers); - row_pointers = NULL; - - png_read_end(png_ptr, NULL); - - return image_data; -} - - -void readpng_cleanup(int free_image_data) -{ - if (free_image_data && image_data) { - free(image_data); - image_data = NULL; - } - - if (png_ptr && info_ptr) { - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - png_ptr = NULL; - info_ptr = NULL; - } -} diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readpng.h b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readpng.h deleted file mode 100644 index fad9fe3b4c5..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readpng.h +++ /dev/null @@ -1,88 +0,0 @@ -/*--------------------------------------------------------------------------- - - rpng - simple PNG display program readpng.h - - --------------------------------------------------------------------------- - - Copyright (c) 1998-2007 Greg Roelofs. All rights reserved. - - This software is provided "as is," without warranty of any kind, - express or implied. In no event shall the author or contributors - be held liable for any damages arising in any way from the use of - this software. - - The contents of this file are DUAL-LICENSED. You may modify and/or - redistribute this software according to the terms of one of the - following two licenses (at your option): - - - LICENSE 1 ("BSD-like with advertising clause"): - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute - it freely, subject to the following restrictions: - - 1. Redistributions of source code must retain the above copyright - notice, disclaimer, and this list of conditions. - 2. Redistributions in binary form must reproduce the above copyright - notice, disclaimer, and this list of conditions in the documenta- - tion and/or other materials provided with the distribution. - 3. All advertising materials mentioning features or use of this - software must display the following acknowledgment: - - This product includes software developed by Greg Roelofs - and contributors for the book, "PNG: The Definitive Guide," - published by O'Reilly and Associates. - - - LICENSE 2 (GNU GPL v2 or later): - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - ---------------------------------------------------------------------------*/ - -#ifndef TRUE -# define TRUE 1 -# define FALSE 0 -#endif - -#ifndef MAX -# define MAX(a,b) ((a) > (b)? (a) : (b)) -# define MIN(a,b) ((a) < (b)? (a) : (b)) -#endif - -#ifdef DEBUG -# define Trace(x) {fprintf x ; fflush(stderr); fflush(stdout);} -#else -# define Trace(x) ; -#endif - -typedef unsigned char uch; -typedef unsigned short ush; -typedef unsigned long ulg; - - -/* prototypes for public functions in readpng.c */ - -void readpng_version_info(void); - -int readpng_init(FILE *infile, ulg *pWidth, ulg *pHeight); - -int readpng_get_bgcolor(uch *bg_red, uch *bg_green, uch *bg_blue); - -uch *readpng_get_image(double display_exponent, int *pChannels, - ulg *pRowbytes); - -void readpng_cleanup(int free_image_data); diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readpng2.c b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readpng2.c deleted file mode 100644 index 921504285d7..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readpng2.c +++ /dev/null @@ -1,645 +0,0 @@ -/*--------------------------------------------------------------------------- - - rpng2 - progressive-model PNG display program readpng2.c - - --------------------------------------------------------------------------- - - Copyright (c) 1998-2007 Greg Roelofs. All rights reserved. - - This software is provided "as is," without warranty of any kind, - express or implied. In no event shall the author or contributors - be held liable for any damages arising in any way from the use of - this software. - - The contents of this file are DUAL-LICENSED. You may modify and/or - redistribute this software according to the terms of one of the - following two licenses (at your option): - - - LICENSE 1 ("BSD-like with advertising clause"): - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute - it freely, subject to the following restrictions: - - 1. Redistributions of source code must retain the above copyright - notice, disclaimer, and this list of conditions. - 2. Redistributions in binary form must reproduce the above copyright - notice, disclaimer, and this list of conditions in the documenta- - tion and/or other materials provided with the distribution. - 3. All advertising materials mentioning features or use of this - software must display the following acknowledgment: - - This product includes software developed by Greg Roelofs - and contributors for the book, "PNG: The Definitive Guide," - published by O'Reilly and Associates. - - - LICENSE 2 (GNU GPL v2 or later): - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - ---------------------------------------------------------------------------*/ - - -#include /* for exit() prototype */ - -#include "png.h" /* libpng header; includes zlib.h and setjmp.h */ -#include "readpng2.h" /* typedefs, common macros, public prototypes */ - - -/* local prototypes */ - -static void readpng2_info_callback(png_structp png_ptr, png_infop info_ptr); -static void readpng2_row_callback(png_structp png_ptr, png_bytep new_row, - png_uint_32 row_num, int pass); -static void readpng2_end_callback(png_structp png_ptr, png_infop info_ptr); -static void readpng2_error_handler(png_structp png_ptr, png_const_charp msg); - - - - -void readpng2_version_info(void) -{ -#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ - (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__)) && \ - defined(PNG_LIBPNG_VER) && (PNG_LIBPNG_VER >= 10200) - /* - * WARNING: This preprocessor approach means that the following code - * cannot be used with a libpng DLL older than 1.2.0--the - * compiled-in symbols for the new functions will not exist. - * (Could use dlopen() and dlsym() on Unix and corresponding - * calls for Windows, but not portable...) - */ - { - int mmxsupport = png_mmx_support(); - if (mmxsupport < 0) - fprintf(stderr, " Compiled with libpng %s; using libpng %s " - "without MMX support.\n", PNG_LIBPNG_VER_STRING, png_libpng_ver); - else { - int compilerID; - png_uint_32 mmx_mask = png_get_mmx_flagmask( - PNG_SELECT_READ | PNG_SELECT_WRITE, &compilerID); - - fprintf(stderr, " Compiled with libpng %s; using libpng %s " - "with MMX support\n (%s version).", PNG_LIBPNG_VER_STRING, - png_libpng_ver, compilerID == 1? "MSVC++" : - (compilerID == 2? "GNU C" : "unknown")); - fprintf(stderr, " Processor (x86%s) %s MMX instructions.\n", -#if defined(__x86_64__) - "_64", -#else - "", -#endif - mmxsupport? "supports" : "does not support"); - if (mmxsupport > 0) { - int num_optims = 0; - - fprintf(stderr, - " Potential MMX optimizations supported by libpng:\n"); - if (mmx_mask & PNG_ASM_FLAG_MMX_READ_FILTER_SUB) - ++num_optims; - if (mmx_mask & PNG_ASM_FLAG_MMX_READ_FILTER_UP) - ++num_optims; - if (mmx_mask & PNG_ASM_FLAG_MMX_READ_FILTER_AVG) - ++num_optims; - if (mmx_mask & PNG_ASM_FLAG_MMX_READ_FILTER_PAETH) - ++num_optims; - if (num_optims) - fprintf(stderr, - " decoding %s row filters (reading)\n", - (num_optims == 4)? "all non-trivial" : "some"); - if (mmx_mask & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW) { - fprintf(stderr, " combining rows (reading)\n"); - ++num_optims; - } - if (mmx_mask & PNG_ASM_FLAG_MMX_READ_INTERLACE) { - fprintf(stderr, - " expanding interlacing (reading)\n"); - ++num_optims; - } - mmx_mask &= ~( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ - | PNG_ASM_FLAG_MMX_READ_INTERLACE \ - | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ - | PNG_ASM_FLAG_MMX_READ_FILTER_UP \ - | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ - | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ); - if (mmx_mask) { - fprintf(stderr, " other (unknown)\n"); - ++num_optims; - } - if (num_optims == 0) - fprintf(stderr, " (none)\n"); - } - } - } -#else - fprintf(stderr, " Compiled with libpng %s; using libpng %s " - "without MMX support.\n", PNG_LIBPNG_VER_STRING, png_libpng_ver); -#endif - - fprintf(stderr, " Compiled with zlib %s; using zlib %s.\n", - ZLIB_VERSION, zlib_version); -} - - - - -int readpng2_check_sig(uch *sig, int num) -{ - return png_check_sig(sig, num); -} - - - - -/* returns 0 for success, 2 for libpng problem, 4 for out of memory */ - -int readpng2_init(mainprog_info *mainprog_ptr) -{ - png_structp png_ptr; /* note: temporary variables! */ - png_infop info_ptr; - - - /* could also replace libpng warning-handler (final NULL), but no need: */ - - png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, mainprog_ptr, - readpng2_error_handler, NULL); - if (!png_ptr) - return 4; /* out of memory */ - - info_ptr = png_create_info_struct(png_ptr); - if (!info_ptr) { - png_destroy_read_struct(&png_ptr, NULL, NULL); - return 4; /* out of memory */ - } - - - /* we could create a second info struct here (end_info), but it's only - * useful if we want to keep pre- and post-IDAT chunk info separated - * (mainly for PNG-aware image editors and converters) */ - - - /* setjmp() must be called in every function that calls a PNG-reading - * libpng function, unless an alternate error handler was installed-- - * but compatible error handlers must either use longjmp() themselves - * (as in this program) or exit immediately, so here we are: */ - - if (setjmp(mainprog_ptr->jmpbuf)) { - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - return 2; - } - - -#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED - /* prepare the reader to ignore all recognized chunks whose data won't be - * used, i.e., all chunks recognized by libpng except for IHDR, PLTE, IDAT, - * IEND, tRNS, bKGD, gAMA, and sRGB (small performance improvement) */ - { - /* These byte strings were copied from png.h. If a future libpng - * version recognizes more chunks, add them to this list. If a - * future version of readpng2.c recognizes more chunks, delete them - * from this list. */ - static const png_byte chunks_to_ignore[] = { - 99, 72, 82, 77, '\0', /* cHRM */ - 104, 73, 83, 84, '\0', /* hIST */ - 105, 67, 67, 80, '\0', /* iCCP */ - 105, 84, 88, 116, '\0', /* iTXt */ - 111, 70, 70, 115, '\0', /* oFFs */ - 112, 67, 65, 76, '\0', /* pCAL */ - 112, 72, 89, 115, '\0', /* pHYs */ - 115, 66, 73, 84, '\0', /* sBIT */ - 115, 67, 65, 76, '\0', /* sCAL */ - 115, 80, 76, 84, '\0', /* sPLT */ - 115, 84, 69, 82, '\0', /* sTER */ - 116, 69, 88, 116, '\0', /* tEXt */ - 116, 73, 77, 69, '\0', /* tIME */ - 122, 84, 88, 116, '\0' /* zTXt */ - }; - - png_set_keep_unknown_chunks(png_ptr, 1 /* PNG_HANDLE_CHUNK_NEVER */, - chunks_to_ignore, sizeof(chunks_to_ignore)/5); - } -#endif /* PNG_UNKNOWN_CHUNKS_SUPPORTED */ - - - /* instead of doing png_init_io() here, now we set up our callback - * functions for progressive decoding */ - - png_set_progressive_read_fn(png_ptr, mainprog_ptr, - readpng2_info_callback, readpng2_row_callback, readpng2_end_callback); - - - /* - * may as well enable or disable MMX routines here, if supported; - * - * to enable all: mask = png_get_mmx_flagmask ( - * PNG_SELECT_READ | PNG_SELECT_WRITE, &compilerID); - * flags = png_get_asm_flags (png_ptr); - * flags |= mask; - * png_set_asm_flags (png_ptr, flags); - * - * to disable all: mask = png_get_mmx_flagmask ( - * PNG_SELECT_READ | PNG_SELECT_WRITE, &compilerID); - * flags = png_get_asm_flags (png_ptr); - * flags &= ~mask; - * png_set_asm_flags (png_ptr, flags); - */ - -#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__)) && \ - defined(PNG_LIBPNG_VER) && (PNG_LIBPNG_VER >= 10200) - /* - * WARNING: This preprocessor approach means that the following code - * cannot be used with a libpng DLL older than 1.2.0--the - * compiled-in symbols for the new functions will not exist. - * (Could use dlopen() and dlsym() on Unix and corresponding - * calls for Windows, but not portable...) - */ - { -#ifdef PNG_ASSEMBLER_CODE_SUPPORTED - png_uint_32 mmx_disable_mask = 0; - png_uint_32 asm_flags, mmx_mask; - int compilerID; - - if (mainprog_ptr->nommxfilters) - mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ - | PNG_ASM_FLAG_MMX_READ_FILTER_UP \ - | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ - | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ); - if (mainprog_ptr->nommxcombine) - mmx_disable_mask |= PNG_ASM_FLAG_MMX_READ_COMBINE_ROW; - if (mainprog_ptr->nommxinterlace) - mmx_disable_mask |= PNG_ASM_FLAG_MMX_READ_INTERLACE; - asm_flags = png_get_asm_flags(png_ptr); - png_set_asm_flags(png_ptr, asm_flags & ~mmx_disable_mask); - - - /* Now query libpng's asm settings, just for yuks. Note that this - * differs from the querying of its *potential* MMX capabilities - * in readpng2_version_info(); this is true runtime verification. */ - - asm_flags = png_get_asm_flags(png_ptr); - mmx_mask = png_get_mmx_flagmask(PNG_SELECT_READ | PNG_SELECT_WRITE, - &compilerID); - if (asm_flags & PNG_ASM_FLAG_MMX_SUPPORT_COMPILED) - fprintf(stderr, - " MMX support (%s version) is compiled into libpng\n", - compilerID == 1? "MSVC++" : - (compilerID == 2? "GNU C" : "unknown")); - else - fprintf(stderr, " MMX support is not compiled into libpng\n"); - fprintf(stderr, " MMX instructions are %ssupported by CPU\n", - (asm_flags & PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU)? "" : "not "); - fprintf(stderr, " MMX read support for combining rows is %sabled\n", - (asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)? "en" : "dis"); - fprintf(stderr, - " MMX read support for expanding interlacing is %sabled\n", - (asm_flags & PNG_ASM_FLAG_MMX_READ_INTERLACE)? "en" : "dis"); - fprintf(stderr, " MMX read support for \"sub\" filter is %sabled\n", - (asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_SUB)? "en" : "dis"); - fprintf(stderr, " MMX read support for \"up\" filter is %sabled\n", - (asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_UP)? "en" : "dis"); - fprintf(stderr, " MMX read support for \"avg\" filter is %sabled\n", - (asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_AVG)? "en" : "dis"); - fprintf(stderr, " MMX read support for \"Paeth\" filter is %sabled\n", - (asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_PAETH)? "en" : "dis"); - asm_flags &= (mmx_mask & ~( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ - | PNG_ASM_FLAG_MMX_READ_INTERLACE \ - | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ - | PNG_ASM_FLAG_MMX_READ_FILTER_UP \ - | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ - | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH )); - if (asm_flags) - fprintf(stderr, - " additional MMX support is also enabled (0x%02lx)\n", - asm_flags); -#else /* !PNG_ASSEMBLER_CODE_SUPPORTED */ - fprintf(stderr, " MMX querying is disabled in libpng.\n"); -#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */ - } -#endif - - - /* make sure we save our pointers for use in readpng2_decode_data() */ - - mainprog_ptr->png_ptr = png_ptr; - mainprog_ptr->info_ptr = info_ptr; - - - /* and that's all there is to initialization */ - - return 0; -} - - - - -/* returns 0 for success, 2 for libpng (longjmp) problem */ - -int readpng2_decode_data(mainprog_info *mainprog_ptr, uch *rawbuf, ulg length) -{ - png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr; - png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr; - - - /* setjmp() must be called in every function that calls a PNG-reading - * libpng function */ - - if (setjmp(mainprog_ptr->jmpbuf)) { - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - mainprog_ptr->png_ptr = NULL; - mainprog_ptr->info_ptr = NULL; - return 2; - } - - - /* hand off the next chunk of input data to libpng for decoding */ - - png_process_data(png_ptr, info_ptr, rawbuf, length); - - return 0; -} - - - - -static void readpng2_info_callback(png_structp png_ptr, png_infop info_ptr) -{ - mainprog_info *mainprog_ptr; - int color_type, bit_depth; - double gamma; - - - /* setjmp() doesn't make sense here, because we'd either have to exit(), - * longjmp() ourselves, or return control to libpng, which doesn't want - * to see us again. By not doing anything here, libpng will instead jump - * to readpng2_decode_data(), which can return an error value to the main - * program. */ - - - /* retrieve the pointer to our special-purpose struct, using the png_ptr - * that libpng passed back to us (i.e., not a global this time--there's - * no real difference for a single image, but for a multithreaded browser - * decoding several PNG images at the same time, one needs to avoid mixing - * up different images' structs) */ - - mainprog_ptr = png_get_progressive_ptr(png_ptr); - - if (mainprog_ptr == NULL) { /* we be hosed */ - fprintf(stderr, - "readpng2 error: main struct not recoverable in info_callback.\n"); - fflush(stderr); - return; - /* - * Alternatively, we could call our error-handler just like libpng - * does, which would effectively terminate the program. Since this - * can only happen if png_ptr gets redirected somewhere odd or the - * main PNG struct gets wiped, we're probably toast anyway. (If - * png_ptr itself is NULL, we would not have been called.) - */ - } - - - /* this is just like in the non-progressive case */ - - png_get_IHDR(png_ptr, info_ptr, &mainprog_ptr->width, - &mainprog_ptr->height, &bit_depth, &color_type, NULL, NULL, NULL); - - - /* since we know we've read all of the PNG file's "header" (i.e., up - * to IDAT), we can check for a background color here */ - - if (mainprog_ptr->need_bgcolor && - png_get_valid(png_ptr, info_ptr, PNG_INFO_bKGD)) - { - png_color_16p pBackground; - - /* it is not obvious from the libpng documentation, but this function - * takes a pointer to a pointer, and it always returns valid red, - * green and blue values, regardless of color_type: */ - png_get_bKGD(png_ptr, info_ptr, &pBackground); - - /* however, it always returns the raw bKGD data, regardless of any - * bit-depth transformations, so check depth and adjust if necessary */ - if (bit_depth == 16) { - mainprog_ptr->bg_red = pBackground->red >> 8; - mainprog_ptr->bg_green = pBackground->green >> 8; - mainprog_ptr->bg_blue = pBackground->blue >> 8; - } else if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) { - if (bit_depth == 1) - mainprog_ptr->bg_red = mainprog_ptr->bg_green = - mainprog_ptr->bg_blue = pBackground->gray? 255 : 0; - else if (bit_depth == 2) - mainprog_ptr->bg_red = mainprog_ptr->bg_green = - mainprog_ptr->bg_blue = (255/3) * pBackground->gray; - else /* bit_depth == 4 */ - mainprog_ptr->bg_red = mainprog_ptr->bg_green = - mainprog_ptr->bg_blue = (255/15) * pBackground->gray; - } else { - mainprog_ptr->bg_red = (uch)pBackground->red; - mainprog_ptr->bg_green = (uch)pBackground->green; - mainprog_ptr->bg_blue = (uch)pBackground->blue; - } - } - - - /* as before, let libpng expand palette images to RGB, low-bit-depth - * grayscale images to 8 bits, transparency chunks to full alpha channel; - * strip 16-bit-per-sample images to 8 bits per sample; and convert - * grayscale to RGB[A] */ - - if (color_type == PNG_COLOR_TYPE_PALETTE) - png_set_expand(png_ptr); - if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) - png_set_expand(png_ptr); - if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) - png_set_expand(png_ptr); - if (bit_depth == 16) - png_set_strip_16(png_ptr); - if (color_type == PNG_COLOR_TYPE_GRAY || - color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - png_set_gray_to_rgb(png_ptr); - - - /* Unlike the basic viewer, which was designed to operate on local files, - * this program is intended to simulate a web browser--even though we - * actually read from a local file, too. But because we are pretending - * that most of the images originate on the Internet, we follow the recom- - * mendation of the sRGB proposal and treat unlabelled images (no gAMA - * chunk) as existing in the sRGB color space. That is, we assume that - * such images have a file gamma of 0.45455, which corresponds to a PC-like - * display system. This change in assumptions will have no effect on a - * PC-like system, but on a Mac, SGI, NeXT or other system with a non- - * identity lookup table, it will darken unlabelled images, which effec- - * tively favors images from PC-like systems over those originating on - * the local platform. Note that mainprog_ptr->display_exponent is the - * "gamma" value for the entire display system, i.e., the product of - * LUT_exponent and CRT_exponent. */ - - if (png_get_gAMA(png_ptr, info_ptr, &gamma)) - png_set_gamma(png_ptr, mainprog_ptr->display_exponent, gamma); - else - png_set_gamma(png_ptr, mainprog_ptr->display_exponent, 0.45455); - - - /* we'll let libpng expand interlaced images, too */ - - mainprog_ptr->passes = png_set_interlace_handling(png_ptr); - - - /* all transformations have been registered; now update info_ptr data and - * then get rowbytes and channels */ - - png_read_update_info(png_ptr, info_ptr); - - mainprog_ptr->rowbytes = (int)png_get_rowbytes(png_ptr, info_ptr); - mainprog_ptr->channels = png_get_channels(png_ptr, info_ptr); - - - /* Call the main program to allocate memory for the image buffer and - * initialize windows and whatnot. (The old-style function-pointer - * invocation is used for compatibility with a few supposedly ANSI - * compilers that nevertheless barf on "fn_ptr()"-style syntax.) */ - - (*mainprog_ptr->mainprog_init)(); - - - /* and that takes care of initialization */ - - return; -} - - - - - -static void readpng2_row_callback(png_structp png_ptr, png_bytep new_row, - png_uint_32 row_num, int pass) -{ - mainprog_info *mainprog_ptr; - - - /* first check whether the row differs from the previous pass; if not, - * nothing to combine or display */ - - if (!new_row) - return; - - - /* retrieve the pointer to our special-purpose struct so we can access - * the old rows and image-display callback function */ - - mainprog_ptr = png_get_progressive_ptr(png_ptr); - - - /* save the pass number for optional use by the front end */ - - mainprog_ptr->pass = pass; - - - /* have libpng either combine the new row data with the existing row data - * from previous passes (if interlaced) or else just copy the new row - * into the main program's image buffer */ - - png_progressive_combine_row(png_ptr, mainprog_ptr->row_pointers[row_num], - new_row); - - - /* finally, call the display routine in the main program with the number - * of the row we just updated */ - - (*mainprog_ptr->mainprog_display_row)(row_num); - - - /* and we're ready for more */ - - return; -} - - - - - -static void readpng2_end_callback(png_structp png_ptr, png_infop info_ptr) -{ - mainprog_info *mainprog_ptr; - - - /* retrieve the pointer to our special-purpose struct */ - - mainprog_ptr = png_get_progressive_ptr(png_ptr); - - - /* let the main program know that it should flush any buffered image - * data to the display now and set a "done" flag or whatever, but note - * that it SHOULD NOT DESTROY THE PNG STRUCTS YET--in other words, do - * NOT call readpng2_cleanup() either here or in the finish_display() - * routine; wait until control returns to the main program via - * readpng2_decode_data() */ - - (*mainprog_ptr->mainprog_finish_display)(); - - - /* all done */ - - return; -} - - - - - -void readpng2_cleanup(mainprog_info *mainprog_ptr) -{ - png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr; - png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr; - - if (png_ptr && info_ptr) - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - - mainprog_ptr->png_ptr = NULL; - mainprog_ptr->info_ptr = NULL; -} - - - - - -static void readpng2_error_handler(png_structp png_ptr, png_const_charp msg) -{ - mainprog_info *mainprog_ptr; - - /* This function, aside from the extra step of retrieving the "error - * pointer" (below) and the fact that it exists within the application - * rather than within libpng, is essentially identical to libpng's - * default error handler. The second point is critical: since both - * setjmp() and longjmp() are called from the same code, they are - * guaranteed to have compatible notions of how big a jmp_buf is, - * regardless of whether _BSD_SOURCE or anything else has (or has not) - * been defined. */ - - fprintf(stderr, "readpng2 libpng error: %s\n", msg); - fflush(stderr); - - mainprog_ptr = png_get_error_ptr(png_ptr); - if (mainprog_ptr == NULL) { /* we are completely hosed now */ - fprintf(stderr, - "readpng2 severe error: jmpbuf not recoverable; terminating.\n"); - fflush(stderr); - exit(99); - } - - longjmp(mainprog_ptr->jmpbuf, 1); -} diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readpng2.h b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readpng2.h deleted file mode 100644 index fbfffb4ba42..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readpng2.h +++ /dev/null @@ -1,121 +0,0 @@ -/*--------------------------------------------------------------------------- - - rpng2 - progressive-model PNG display program readpng2.h - - --------------------------------------------------------------------------- - - Copyright (c) 1998-2008 Greg Roelofs. All rights reserved. - - This software is provided "as is," without warranty of any kind, - express or implied. In no event shall the author or contributors - be held liable for any damages arising in any way from the use of - this software. - - The contents of this file are DUAL-LICENSED. You may modify and/or - redistribute this software according to the terms of one of the - following two licenses (at your option): - - - LICENSE 1 ("BSD-like with advertising clause"): - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute - it freely, subject to the following restrictions: - - 1. Redistributions of source code must retain the above copyright - notice, disclaimer, and this list of conditions. - 2. Redistributions in binary form must reproduce the above copyright - notice, disclaimer, and this list of conditions in the documenta- - tion and/or other materials provided with the distribution. - 3. All advertising materials mentioning features or use of this - software must display the following acknowledgment: - - This product includes software developed by Greg Roelofs - and contributors for the book, "PNG: The Definitive Guide," - published by O'Reilly and Associates. - - - LICENSE 2 (GNU GPL v2 or later): - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - ---------------------------------------------------------------------------*/ - -#ifndef TRUE -# define TRUE 1 -# define FALSE 0 -#endif - -#ifndef MAX -# define MAX(a,b) ((a) > (b)? (a) : (b)) -# define MIN(a,b) ((a) < (b)? (a) : (b)) -#endif - -#ifdef DEBUG -# define Trace(x) {fprintf x ; fflush(stderr); fflush(stdout);} -#else -# define Trace(x) ; -#endif - -enum rpng2_states { - kPreInit = 0, - kWindowInit, - kDone -}; - -typedef unsigned char uch; -typedef unsigned short ush; -typedef unsigned long ulg; - -typedef struct _mainprog_info { - double display_exponent; - ulg width; - ulg height; - void *png_ptr; - void *info_ptr; - void (*mainprog_init)(void); - void (*mainprog_display_row)(ulg row_num); - void (*mainprog_finish_display)(void); - uch *image_data; - uch **row_pointers; - jmp_buf jmpbuf; - int passes; /* not used */ - int pass; - int rowbytes; - int channels; - int need_bgcolor; -#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__)) - int nommxfilters; - int nommxcombine; - int nommxinterlace; -#endif - int state; - uch bg_red; - uch bg_green; - uch bg_blue; -} mainprog_info; - - -/* prototypes for public functions in readpng2.c */ - -void readpng2_version_info(void); - -int readpng2_check_sig(uch *sig, int num); - -int readpng2_init(mainprog_info *mainprog_ptr); - -int readpng2_decode_data(mainprog_info *mainprog_ptr, uch *rawbuf, ulg length); - -void readpng2_cleanup(mainprog_info *mainprog_ptr); diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readppm.c b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readppm.c deleted file mode 100644 index be9a56d95fd..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/readppm.c +++ /dev/null @@ -1,179 +0,0 @@ -/*--------------------------------------------------------------------------- - - rpng - simple PNG display program readppm.c - - --------------------------------------------------------------------------- - - This is a special-purpose replacement for readpng.c that allows binary - PPM files to be used in place of PNG images. - - --------------------------------------------------------------------------- - - Copyright (c) 1998-2007 Greg Roelofs. All rights reserved. - - This software is provided "as is," without warranty of any kind, - express or implied. In no event shall the author or contributors - be held liable for any damages arising in any way from the use of - this software. - - The contents of this file are DUAL-LICENSED. You may modify and/or - redistribute this software according to the terms of one of the - following two licenses (at your option): - - - LICENSE 1 ("BSD-like with advertising clause"): - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute - it freely, subject to the following restrictions: - - 1. Redistributions of source code must retain the above copyright - notice, disclaimer, and this list of conditions. - 2. Redistributions in binary form must reproduce the above copyright - notice, disclaimer, and this list of conditions in the documenta- - tion and/or other materials provided with the distribution. - 3. All advertising materials mentioning features or use of this - software must display the following acknowledgment: - - This product includes software developed by Greg Roelofs - and contributors for the book, "PNG: The Definitive Guide," - published by O'Reilly and Associates. - - - LICENSE 2 (GNU GPL v2 or later): - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - ---------------------------------------------------------------------------*/ - -#include -#include - -#include "readpng.h" /* typedefs, common macros, public prototypes */ - - -ulg width, height; -int bit_depth, color_type, channels; -uch *image_data = NULL; -FILE *saved_infile; - - -void readpng_version_info() -{ - fprintf(stderr, " Compiled without libpng, zlib or PBMPLUS/NetPBM.\n"); -} - - -/* return value = 0 for success, 1 for bad sig, 2 for bad IHDR, 4 for no mem */ - -int readpng_init(FILE *infile, ulg *pWidth, ulg *pHeight) -{ - static uch ppmline[256]; - int maxval; - - - saved_infile = infile; - - fgets(ppmline, 256, infile); - if (ppmline[0] != 'P' || ppmline[1] != '6') { - fprintf(stderr, "ERROR: not a PPM file\n"); - return 1; - } - /* possible color types: P5 = grayscale (0), P6 = RGB (2), P8 = RGBA (6) */ - if (ppmline[1] == '6') { - color_type = 2; - channels = 3; - } else if (ppmline[1] == '8') { - color_type = 6; - channels = 4; - } else /* if (ppmline[1] == '5') */ { - color_type = 0; - channels = 1; - } - - do { - fgets(ppmline, 256, infile); - } while (ppmline[0] == '#'); - sscanf(ppmline, "%lu %lu", &width, &height); - - do { - fgets(ppmline, 256, infile); - } while (ppmline[0] == '#'); - sscanf(ppmline, "%d", &maxval); - if (maxval != 255) { - fprintf(stderr, "ERROR: maxval = %d\n", maxval); - return 2; - } - bit_depth = 8; - - *pWidth = width; - *pHeight = height; - - return 0; -} - - - - -/* returns 0 if succeeds, 1 if fails due to no bKGD chunk, 2 if libpng error; - * scales values to 8-bit if necessary */ - -int readpng_get_bgcolor(uch *red, uch *green, uch *blue) -{ - return 1; -} - - - - -/* display_exponent == LUT_exponent * CRT_exponent */ - -uch *readpng_get_image(double display_exponent, int *pChannels, ulg *pRowbytes) -{ - ulg rowbytes; - - - /* expand palette images to RGB, low-bit-depth grayscale images to 8 bits, - * transparency chunks to full alpha channel; strip 16-bit-per-sample - * images to 8 bits per sample; and convert grayscale to RGB[A] */ - - /* GRR WARNING: grayscale needs to be expanded and channels reset! */ - - *pRowbytes = rowbytes = channels*width; - *pChannels = channels; - - if ((image_data = (uch *)malloc(rowbytes*height)) == NULL) { - return NULL; - } - - Trace((stderr, "readpng_get_image: rowbytes = %ld, height = %ld\n", rowbytes, height)); - - - /* now we can go ahead and just read the whole image */ - - fread(image_data, 1L, rowbytes*height, saved_infile); - - - return image_data; -} - - -void readpng_cleanup(int free_image_data) -{ - if (free_image_data && image_data) { - free(image_data); - image_data = NULL; - } -} diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/rpng-win.c b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/rpng-win.c deleted file mode 100644 index 20209611e86..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/rpng-win.c +++ /dev/null @@ -1,684 +0,0 @@ -/*--------------------------------------------------------------------------- - - rpng - simple PNG display program rpng-win.c - - This program decodes and displays PNG images, with gamma correction and - optionally with a user-specified background color (in case the image has - transparency). It is very nearly the most basic PNG viewer possible. - This version is for 32-bit Windows; it may compile under 16-bit Windows - with a little tweaking (or maybe not). - - to do: - - handle quoted command-line args (especially filenames with spaces) - - have minimum window width: oh well - - use %.1023s to simplify truncation of title-bar string? - - --------------------------------------------------------------------------- - - Changelog: - - 1.00: initial public release - - 1.01: modified to allow abbreviated options; fixed long/ulong mis- - match; switched to png_jmpbuf() macro - - 1.02: added extra set of parentheses to png_jmpbuf() macro; fixed - command-line parsing bug - - 1.10: enabled "message window"/console (thanks to David Geldreich) - - 2.00: dual-licensed (added GNU GPL) - - 2.01: fixed improper display of usage screen on PNG error(s) - - --------------------------------------------------------------------------- - - Copyright (c) 1998-2008 Greg Roelofs. All rights reserved. - - This software is provided "as is," without warranty of any kind, - express or implied. In no event shall the author or contributors - be held liable for any damages arising in any way from the use of - this software. - - The contents of this file are DUAL-LICENSED. You may modify and/or - redistribute this software according to the terms of one of the - following two licenses (at your option): - - - LICENSE 1 ("BSD-like with advertising clause"): - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute - it freely, subject to the following restrictions: - - 1. Redistributions of source code must retain the above copyright - notice, disclaimer, and this list of conditions. - 2. Redistributions in binary form must reproduce the above copyright - notice, disclaimer, and this list of conditions in the documenta- - tion and/or other materials provided with the distribution. - 3. All advertising materials mentioning features or use of this - software must display the following acknowledgment: - - This product includes software developed by Greg Roelofs - and contributors for the book, "PNG: The Definitive Guide," - published by O'Reilly and Associates. - - - LICENSE 2 (GNU GPL v2 or later): - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - ---------------------------------------------------------------------------*/ - -#define PROGNAME "rpng-win" -#define LONGNAME "Simple PNG Viewer for Windows" -#define VERSION "2.01 of 16 March 2008" - -#include -#include -#include -#include -#include -#include /* only for _getch() */ - -/* #define DEBUG : this enables the Trace() macros */ - -#include "readpng.h" /* typedefs, common macros, readpng prototypes */ - - -/* could just include png.h, but this macro is the only thing we need - * (name and typedefs changed to local versions); note that side effects - * only happen with alpha (which could easily be avoided with - * "ush acopy = (alpha);") */ - -#define alpha_composite(composite, fg, alpha, bg) { \ - ush temp = ((ush)(fg)*(ush)(alpha) + \ - (ush)(bg)*(ush)(255 - (ush)(alpha)) + (ush)128); \ - (composite) = (uch)((temp + (temp >> 8)) >> 8); \ -} - - -/* local prototypes */ -static int rpng_win_create_window(HINSTANCE hInst, int showmode); -static int rpng_win_display_image(void); -static void rpng_win_cleanup(void); -LRESULT CALLBACK rpng_win_wndproc(HWND, UINT, WPARAM, LPARAM); - - -static char titlebar[1024]; -static char *progname = PROGNAME; -static char *appname = LONGNAME; -static char *filename; -static FILE *infile; - -static char *bgstr; -static uch bg_red=0, bg_green=0, bg_blue=0; - -static double display_exponent; - -static ulg image_width, image_height, image_rowbytes; -static int image_channels; -static uch *image_data; - -/* Windows-specific variables */ -static ulg wimage_rowbytes; -static uch *dib; -static uch *wimage_data; -static BITMAPINFOHEADER *bmih; - -static HWND global_hwnd; - - - - -int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, PSTR cmd, int showmode) -{ - char *args[1024]; /* arbitrary limit, but should suffice */ - char *p, *q, **argv = args; - int argc = 0; - int rc, alen, flen; - int error = 0; - int have_bg = FALSE; - double LUT_exponent; /* just the lookup table */ - double CRT_exponent = 2.2; /* just the monitor */ - double default_display_exponent; /* whole display system */ - MSG msg; - - - filename = (char *)NULL; - - - /* First reenable console output, which normally goes to the bit bucket - * for windowed apps. Closing the console window will terminate the - * app. Thanks to David.Geldreich@realviz.com for supplying the magical - * incantation. */ - - AllocConsole(); - freopen("CONOUT$", "a", stderr); - freopen("CONOUT$", "a", stdout); - - - /* Next set the default value for our display-system exponent, i.e., - * the product of the CRT exponent and the exponent corresponding to - * the frame-buffer's lookup table (LUT), if any. This is not an - * exhaustive list of LUT values (e.g., OpenStep has a lot of weird - * ones), but it should cover 99% of the current possibilities. And - * yes, these ifdefs are completely wasted in a Windows program... */ - -#if defined(NeXT) - LUT_exponent = 1.0 / 2.2; - /* - if (some_next_function_that_returns_gamma(&next_gamma)) - LUT_exponent = 1.0 / next_gamma; - */ -#elif defined(sgi) - LUT_exponent = 1.0 / 1.7; - /* there doesn't seem to be any documented function to get the - * "gamma" value, so we do it the hard way */ - infile = fopen("/etc/config/system.glGammaVal", "r"); - if (infile) { - double sgi_gamma; - - fgets(tmpline, 80, infile); - fclose(infile); - sgi_gamma = atof(tmpline); - if (sgi_gamma > 0.0) - LUT_exponent = 1.0 / sgi_gamma; - } -#elif defined(Macintosh) - LUT_exponent = 1.8 / 2.61; - /* - if (some_mac_function_that_returns_gamma(&mac_gamma)) - LUT_exponent = mac_gamma / 2.61; - */ -#else - LUT_exponent = 1.0; /* assume no LUT: most PCs */ -#endif - - /* the defaults above give 1.0, 1.3, 1.5 and 2.2, respectively: */ - default_display_exponent = LUT_exponent * CRT_exponent; - - - /* If the user has set the SCREEN_GAMMA environment variable as suggested - * (somewhat imprecisely) in the libpng documentation, use that; otherwise - * use the default value we just calculated. Either way, the user may - * override this via a command-line option. */ - - if ((p = getenv("SCREEN_GAMMA")) != NULL) - display_exponent = atof(p); - else - display_exponent = default_display_exponent; - - - /* Windows really hates command lines, so we have to set up our own argv. - * Note that we do NOT bother with quoted arguments here, so don't use - * filenames with spaces in 'em! */ - - argv[argc++] = PROGNAME; - p = cmd; - for (;;) { - if (*p == ' ') - while (*++p == ' ') - ; - /* now p points at the first non-space after some spaces */ - if (*p == '\0') - break; /* nothing after the spaces: done */ - argv[argc++] = q = p; - while (*q && *q != ' ') - ++q; - /* now q points at a space or the end of the string */ - if (*q == '\0') - break; /* last argv already terminated; quit */ - *q = '\0'; /* change space to terminator */ - p = q + 1; - } - argv[argc] = NULL; /* terminate the argv array itself */ - - - /* Now parse the command line for options and the PNG filename. */ - - while (*++argv && !error) { - if (!strncmp(*argv, "-gamma", 2)) { - if (!*++argv) - ++error; - else { - display_exponent = atof(*argv); - if (display_exponent <= 0.0) - ++error; - } - } else if (!strncmp(*argv, "-bgcolor", 2)) { - if (!*++argv) - ++error; - else { - bgstr = *argv; - if (strlen(bgstr) != 7 || bgstr[0] != '#') - ++error; - else - have_bg = TRUE; - } - } else { - if (**argv != '-') { - filename = *argv; - if (argv[1]) /* shouldn't be any more args after filename */ - ++error; - } else - ++error; /* not expecting any other options */ - } - } - - if (!filename) - ++error; - - - /* print usage screen if any errors up to this point */ - - if (error) { - int ch; - - fprintf(stderr, "\n%s %s: %s\n\n", PROGNAME, VERSION, appname); - readpng_version_info(); - fprintf(stderr, "\n" - "Usage: %s [-gamma exp] [-bgcolor bg] file.png\n" - " exp \ttransfer-function exponent (``gamma'') of the display\n" - "\t\t system in floating-point format (e.g., ``%.1f''); equal\n" - "\t\t to the product of the lookup-table exponent (varies)\n" - "\t\t and the CRT exponent (usually 2.2); must be positive\n" - " bg \tdesired background color in 7-character hex RGB format\n" - "\t\t (e.g., ``#ff7700'' for orange: same as HTML colors);\n" - "\t\t used with transparent images\n" - "\nPress Q, Esc or mouse button 1 after image is displayed to quit.\n" - "Press Q or Esc to quit this usage screen.\n" - "\n", PROGNAME, default_display_exponent); - do - ch = _getch(); - while (ch != 'q' && ch != 'Q' && ch != 0x1B); - exit(1); - } - - - if (!(infile = fopen(filename, "rb"))) { - fprintf(stderr, PROGNAME ": can't open PNG file [%s]\n", filename); - ++error; - } else { - if ((rc = readpng_init(infile, &image_width, &image_height)) != 0) { - switch (rc) { - case 1: - fprintf(stderr, PROGNAME - ": [%s] is not a PNG file: incorrect signature\n", - filename); - break; - case 2: - fprintf(stderr, PROGNAME - ": [%s] has bad IHDR (libpng longjmp)\n", filename); - break; - case 4: - fprintf(stderr, PROGNAME ": insufficient memory\n"); - break; - default: - fprintf(stderr, PROGNAME - ": unknown readpng_init() error\n"); - break; - } - ++error; - } - if (error) - fclose(infile); - } - - - if (error) { - int ch; - - fprintf(stderr, PROGNAME ": aborting.\n"); - do - ch = _getch(); - while (ch != 'q' && ch != 'Q' && ch != 0x1B); - exit(2); - } else { - fprintf(stderr, "\n%s %s: %s\n", PROGNAME, VERSION, appname); - fprintf(stderr, - "\n [console window: closing this window will terminate %s]\n\n", - PROGNAME); - } - - - /* set the title-bar string, but make sure buffer doesn't overflow */ - - alen = strlen(appname); - flen = strlen(filename); - if (alen + flen + 3 > 1023) - sprintf(titlebar, "%s: ...%s", appname, filename+(alen+flen+6-1023)); - else - sprintf(titlebar, "%s: %s", appname, filename); - - - /* if the user didn't specify a background color on the command line, - * check for one in the PNG file--if not, the initialized values of 0 - * (black) will be used */ - - if (have_bg) { - unsigned r, g, b; /* this approach quiets compiler warnings */ - - sscanf(bgstr+1, "%2x%2x%2x", &r, &g, &b); - bg_red = (uch)r; - bg_green = (uch)g; - bg_blue = (uch)b; - } else if (readpng_get_bgcolor(&bg_red, &bg_green, &bg_blue) > 1) { - readpng_cleanup(TRUE); - fprintf(stderr, PROGNAME - ": libpng error while checking for background color\n"); - exit(2); - } - - - /* do the basic Windows initialization stuff, make the window and fill it - * with the background color */ - - if (rpng_win_create_window(hInst, showmode)) - exit(2); - - - /* decode the image, all at once */ - - Trace((stderr, "calling readpng_get_image()\n")) - image_data = readpng_get_image(display_exponent, &image_channels, - &image_rowbytes); - Trace((stderr, "done with readpng_get_image()\n")) - - - /* done with PNG file, so clean up to minimize memory usage (but do NOT - * nuke image_data!) */ - - readpng_cleanup(FALSE); - fclose(infile); - - if (!image_data) { - fprintf(stderr, PROGNAME ": unable to decode PNG image\n"); - exit(3); - } - - - /* display image (composite with background if requested) */ - - Trace((stderr, "calling rpng_win_display_image()\n")) - if (rpng_win_display_image()) { - free(image_data); - exit(4); - } - Trace((stderr, "done with rpng_win_display_image()\n")) - - - /* wait for the user to tell us when to quit */ - - printf( - "Done. Press Q, Esc or mouse button 1 (within image window) to quit.\n"); - fflush(stdout); - - while (GetMessage(&msg, NULL, 0, 0)) { - TranslateMessage(&msg); - DispatchMessage(&msg); - } - - - /* OK, we're done: clean up all image and Windows resources and go away */ - - rpng_win_cleanup(); - - return msg.wParam; -} - - - - - -static int rpng_win_create_window(HINSTANCE hInst, int showmode) -{ - uch *dest; - int extra_width, extra_height; - ulg i, j; - WNDCLASSEX wndclass; - - -/*--------------------------------------------------------------------------- - Allocate memory for the display-specific version of the image (round up - to multiple of 4 for Windows DIB). - ---------------------------------------------------------------------------*/ - - wimage_rowbytes = ((3*image_width + 3L) >> 2) << 2; - - if (!(dib = (uch *)malloc(sizeof(BITMAPINFOHEADER) + - wimage_rowbytes*image_height))) - { - return 4; /* fail */ - } - -/*--------------------------------------------------------------------------- - Initialize the DIB. Negative height means to use top-down BMP ordering - (must be uncompressed, but that's what we want). Bit count of 1, 4 or 8 - implies a colormap of RGBX quads, but 24-bit BMPs just use B,G,R values - directly => wimage_data begins immediately after BMP header. - ---------------------------------------------------------------------------*/ - - memset(dib, 0, sizeof(BITMAPINFOHEADER)); - bmih = (BITMAPINFOHEADER *)dib; - bmih->biSize = sizeof(BITMAPINFOHEADER); - bmih->biWidth = image_width; - bmih->biHeight = -((long)image_height); - bmih->biPlanes = 1; - bmih->biBitCount = 24; - bmih->biCompression = 0; - wimage_data = dib + sizeof(BITMAPINFOHEADER); - -/*--------------------------------------------------------------------------- - Fill in background color (black by default); data are in BGR order. - ---------------------------------------------------------------------------*/ - - for (j = 0; j < image_height; ++j) { - dest = wimage_data + j*wimage_rowbytes; - for (i = image_width; i > 0; --i) { - *dest++ = bg_blue; - *dest++ = bg_green; - *dest++ = bg_red; - } - } - -/*--------------------------------------------------------------------------- - Set the window parameters. - ---------------------------------------------------------------------------*/ - - memset(&wndclass, 0, sizeof(wndclass)); - - wndclass.cbSize = sizeof(wndclass); - wndclass.style = CS_HREDRAW | CS_VREDRAW; - wndclass.lpfnWndProc = rpng_win_wndproc; - wndclass.hInstance = hInst; - wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION); - wndclass.hCursor = LoadCursor(NULL, IDC_ARROW); - wndclass.hbrBackground = (HBRUSH)GetStockObject(DKGRAY_BRUSH); - wndclass.lpszMenuName = NULL; - wndclass.lpszClassName = progname; - wndclass.hIconSm = LoadIcon(NULL, IDI_APPLICATION); - - RegisterClassEx(&wndclass); - -/*--------------------------------------------------------------------------- - Finally, create the window. - ---------------------------------------------------------------------------*/ - - extra_width = 2*(GetSystemMetrics(SM_CXBORDER) + - GetSystemMetrics(SM_CXDLGFRAME)); - extra_height = 2*(GetSystemMetrics(SM_CYBORDER) + - GetSystemMetrics(SM_CYDLGFRAME)) + - GetSystemMetrics(SM_CYCAPTION); - - global_hwnd = CreateWindow(progname, titlebar, WS_OVERLAPPEDWINDOW, - CW_USEDEFAULT, CW_USEDEFAULT, image_width+extra_width, - image_height+extra_height, NULL, NULL, hInst, NULL); - - ShowWindow(global_hwnd, showmode); - UpdateWindow(global_hwnd); - - return 0; - -} /* end function rpng_win_create_window() */ - - - - - -static int rpng_win_display_image() -{ - uch *src, *dest; - uch r, g, b, a; - ulg i, row, lastrow; - RECT rect; - - - Trace((stderr, "beginning display loop (image_channels == %d)\n", - image_channels)) - Trace((stderr, "(width = %ld, rowbytes = %ld, wimage_rowbytes = %d)\n", - image_width, image_rowbytes, wimage_rowbytes)) - - -/*--------------------------------------------------------------------------- - Blast image data to buffer. This whole routine takes place before the - message loop begins, so there's no real point in any pseudo-progressive - display... - ---------------------------------------------------------------------------*/ - - for (lastrow = row = 0; row < image_height; ++row) { - src = image_data + row*image_rowbytes; - dest = wimage_data + row*wimage_rowbytes; - if (image_channels == 3) { - for (i = image_width; i > 0; --i) { - r = *src++; - g = *src++; - b = *src++; - *dest++ = b; - *dest++ = g; /* note reverse order */ - *dest++ = r; - } - } else /* if (image_channels == 4) */ { - for (i = image_width; i > 0; --i) { - r = *src++; - g = *src++; - b = *src++; - a = *src++; - if (a == 255) { - *dest++ = b; - *dest++ = g; - *dest++ = r; - } else if (a == 0) { - *dest++ = bg_blue; - *dest++ = bg_green; - *dest++ = bg_red; - } else { - /* this macro (copied from png.h) composites the - * foreground and background values and puts the - * result into the first argument; there are no - * side effects with the first argument */ - alpha_composite(*dest++, b, a, bg_blue); - alpha_composite(*dest++, g, a, bg_green); - alpha_composite(*dest++, r, a, bg_red); - } - } - } - /* display after every 16 lines */ - if (((row+1) & 0xf) == 0) { - rect.left = 0L; - rect.top = (LONG)lastrow; - rect.right = (LONG)image_width; /* possibly off by one? */ - rect.bottom = (LONG)lastrow + 16L; /* possibly off by one? */ - InvalidateRect(global_hwnd, &rect, FALSE); - UpdateWindow(global_hwnd); /* similar to XFlush() */ - lastrow = row + 1; - } - } - - Trace((stderr, "calling final image-flush routine\n")) - if (lastrow < image_height) { - rect.left = 0L; - rect.top = (LONG)lastrow; - rect.right = (LONG)image_width; /* possibly off by one? */ - rect.bottom = (LONG)image_height; /* possibly off by one? */ - InvalidateRect(global_hwnd, &rect, FALSE); - UpdateWindow(global_hwnd); /* similar to XFlush() */ - } - -/* - last param determines whether or not background is wiped before paint - InvalidateRect(global_hwnd, NULL, TRUE); - UpdateWindow(global_hwnd); - */ - - return 0; -} - - - - - -static void rpng_win_cleanup() -{ - if (image_data) { - free(image_data); - image_data = NULL; - } - - if (dib) { - free(dib); - dib = NULL; - } -} - - - - - -LRESULT CALLBACK rpng_win_wndproc(HWND hwnd, UINT iMsg, WPARAM wP, LPARAM lP) -{ - HDC hdc; - PAINTSTRUCT ps; - int rc; - - switch (iMsg) { - case WM_CREATE: - /* one-time processing here, if any */ - return 0; - - case WM_PAINT: - hdc = BeginPaint(hwnd, &ps); - /* dest */ - rc = StretchDIBits(hdc, 0, 0, image_width, image_height, - /* source */ - 0, 0, image_width, image_height, - wimage_data, (BITMAPINFO *)bmih, - /* iUsage: no clue */ - 0, SRCCOPY); - EndPaint(hwnd, &ps); - return 0; - - /* wait for the user to tell us when to quit */ - case WM_CHAR: - switch (wP) { /* only need one, so ignore repeat count */ - case 'q': - case 'Q': - case 0x1B: /* Esc key */ - PostQuitMessage(0); - } - return 0; - - case WM_LBUTTONDOWN: /* another way of quitting */ - case WM_DESTROY: - PostQuitMessage(0); - return 0; - } - - return DefWindowProc(hwnd, iMsg, wP, lP); -} diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/rpng-x.c b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/rpng-x.c deleted file mode 100644 index 0a981702919..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/rpng-x.c +++ /dev/null @@ -1,904 +0,0 @@ -/*--------------------------------------------------------------------------- - - rpng - simple PNG display program rpng-x.c - - This program decodes and displays PNG images, with gamma correction and - optionally with a user-specified background color (in case the image has - transparency). It is very nearly the most basic PNG viewer possible. - This version is for the X Window System (tested by author under Unix and - by Martin Zinser under OpenVMS; may work under OS/2 with some tweaking). - - to do: - - 8-bit (colormapped) X support - - use %.1023s to simplify truncation of title-bar string? - - --------------------------------------------------------------------------- - - Changelog: - - 1.01: initial public release - - 1.02: modified to allow abbreviated options; fixed long/ulong mis- - match; switched to png_jmpbuf() macro - - 1.10: added support for non-default visuals; fixed X pixel-conversion - - 1.11: added extra set of parentheses to png_jmpbuf() macro; fixed - command-line parsing bug - - 1.12: fixed some small X memory leaks (thanks to François Petitjean) - - 1.13: fixed XFreeGC() crash bug (thanks to Patrick Welche) - - 1.14: added support for X resources (thanks to Gerhard Niklasch) - - 2.00: dual-licensed (added GNU GPL) - - 2.01: fixed improper display of usage screen on PNG error(s) - - --------------------------------------------------------------------------- - - Copyright (c) 1998-2008 Greg Roelofs. All rights reserved. - - This software is provided "as is," without warranty of any kind, - express or implied. In no event shall the author or contributors - be held liable for any damages arising in any way from the use of - this software. - - The contents of this file are DUAL-LICENSED. You may modify and/or - redistribute this software according to the terms of one of the - following two licenses (at your option): - - - LICENSE 1 ("BSD-like with advertising clause"): - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute - it freely, subject to the following restrictions: - - 1. Redistributions of source code must retain the above copyright - notice, disclaimer, and this list of conditions. - 2. Redistributions in binary form must reproduce the above copyright - notice, disclaimer, and this list of conditions in the documenta- - tion and/or other materials provided with the distribution. - 3. All advertising materials mentioning features or use of this - software must display the following acknowledgment: - - This product includes software developed by Greg Roelofs - and contributors for the book, "PNG: The Definitive Guide," - published by O'Reilly and Associates. - - - LICENSE 2 (GNU GPL v2 or later): - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - ---------------------------------------------------------------------------*/ - -#define PROGNAME "rpng-x" -#define LONGNAME "Simple PNG Viewer for X" -#define VERSION "2.01 of 16 March 2008" -#define RESNAME "rpng" /* our X resource application name */ -#define RESCLASS "Rpng" /* our X resource class name */ - -#include -#include -#include -#include -#include -#include -#include -#include - -/* #define DEBUG : this enables the Trace() macros */ - -#include "readpng.h" /* typedefs, common macros, readpng prototypes */ - - -/* could just include png.h, but this macro is the only thing we need - * (name and typedefs changed to local versions); note that side effects - * only happen with alpha (which could easily be avoided with - * "ush acopy = (alpha);") */ - -#define alpha_composite(composite, fg, alpha, bg) { \ - ush temp = ((ush)(fg)*(ush)(alpha) + \ - (ush)(bg)*(ush)(255 - (ush)(alpha)) + (ush)128); \ - (composite) = (uch)((temp + (temp >> 8)) >> 8); \ -} - - -/* local prototypes */ -static int rpng_x_create_window(void); -static int rpng_x_display_image(void); -static void rpng_x_cleanup(void); -static int rpng_x_msb(ulg u32val); - - -static char titlebar[1024], *window_name = titlebar; -static char *appname = LONGNAME; -static char *icon_name = PROGNAME; -static char *res_name = RESNAME; -static char *res_class = RESCLASS; -static char *filename; -static FILE *infile; - -static char *bgstr; -static uch bg_red=0, bg_green=0, bg_blue=0; - -static double display_exponent; - -static ulg image_width, image_height, image_rowbytes; -static int image_channels; -static uch *image_data; - -/* X-specific variables */ -static char *displayname; -static XImage *ximage; -static Display *display; -static int depth; -static Visual *visual; -static XVisualInfo *visual_list; -static int RShift, GShift, BShift; -static ulg RMask, GMask, BMask; -static Window window; -static GC gc; -static Colormap colormap; - -static int have_nondefault_visual = FALSE; -static int have_colormap = FALSE; -static int have_window = FALSE; -static int have_gc = FALSE; -/* -ulg numcolors=0, pixels[256]; -ush reds[256], greens[256], blues[256]; - */ - - - - -int main(int argc, char **argv) -{ -#ifdef sgi - char tmpline[80]; -#endif - char *p; - int rc, alen, flen; - int error = 0; - int have_bg = FALSE; - double LUT_exponent; /* just the lookup table */ - double CRT_exponent = 2.2; /* just the monitor */ - double default_display_exponent; /* whole display system */ - XEvent e; - KeySym k; - - - displayname = (char *)NULL; - filename = (char *)NULL; - - - /* First set the default value for our display-system exponent, i.e., - * the product of the CRT exponent and the exponent corresponding to - * the frame-buffer's lookup table (LUT), if any. This is not an - * exhaustive list of LUT values (e.g., OpenStep has a lot of weird - * ones), but it should cover 99% of the current possibilities. */ - -#if defined(NeXT) - LUT_exponent = 1.0 / 2.2; - /* - if (some_next_function_that_returns_gamma(&next_gamma)) - LUT_exponent = 1.0 / next_gamma; - */ -#elif defined(sgi) - LUT_exponent = 1.0 / 1.7; - /* there doesn't seem to be any documented function to get the - * "gamma" value, so we do it the hard way */ - infile = fopen("/etc/config/system.glGammaVal", "r"); - if (infile) { - double sgi_gamma; - - fgets(tmpline, 80, infile); - fclose(infile); - sgi_gamma = atof(tmpline); - if (sgi_gamma > 0.0) - LUT_exponent = 1.0 / sgi_gamma; - } -#elif defined(Macintosh) - LUT_exponent = 1.8 / 2.61; - /* - if (some_mac_function_that_returns_gamma(&mac_gamma)) - LUT_exponent = mac_gamma / 2.61; - */ -#else - LUT_exponent = 1.0; /* assume no LUT: most PCs */ -#endif - - /* the defaults above give 1.0, 1.3, 1.5 and 2.2, respectively: */ - default_display_exponent = LUT_exponent * CRT_exponent; - - - /* If the user has set the SCREEN_GAMMA environment variable as suggested - * (somewhat imprecisely) in the libpng documentation, use that; otherwise - * use the default value we just calculated. Either way, the user may - * override this via a command-line option. */ - - if ((p = getenv("SCREEN_GAMMA")) != NULL) - display_exponent = atof(p); - else - display_exponent = default_display_exponent; - - - /* Now parse the command line for options and the PNG filename. */ - - while (*++argv && !error) { - if (!strncmp(*argv, "-display", 2)) { - if (!*++argv) - ++error; - else - displayname = *argv; - } else if (!strncmp(*argv, "-gamma", 2)) { - if (!*++argv) - ++error; - else { - display_exponent = atof(*argv); - if (display_exponent <= 0.0) - ++error; - } - } else if (!strncmp(*argv, "-bgcolor", 2)) { - if (!*++argv) - ++error; - else { - bgstr = *argv; - if (strlen(bgstr) != 7 || bgstr[0] != '#') - ++error; - else - have_bg = TRUE; - } - } else { - if (**argv != '-') { - filename = *argv; - if (argv[1]) /* shouldn't be any more args after filename */ - ++error; - } else - ++error; /* not expecting any other options */ - } - } - - if (!filename) - ++error; - - - /* print usage screen if any errors up to this point */ - - if (error) { - fprintf(stderr, "\n%s %s: %s\n", PROGNAME, VERSION, appname); - readpng_version_info(); - fprintf(stderr, "\n" - "Usage: %s [-display xdpy] [-gamma exp] [-bgcolor bg] file.png\n" - " xdpy\tname of the target X display (e.g., ``hostname:0'')\n" - " exp \ttransfer-function exponent (``gamma'') of the display\n" - "\t\t system in floating-point format (e.g., ``%.1f''); equal\n" - "\t\t to the product of the lookup-table exponent (varies)\n" - "\t\t and the CRT exponent (usually 2.2); must be positive\n" - " bg \tdesired background color in 7-character hex RGB format\n" - "\t\t (e.g., ``#ff7700'' for orange: same as HTML colors);\n" - "\t\t used with transparent images\n" - "\nPress Q, Esc or mouse button 1 (within image window, after image\n" - "is displayed) to quit.\n" - "\n", PROGNAME, default_display_exponent); - exit(1); - } - - - if (!(infile = fopen(filename, "rb"))) { - fprintf(stderr, PROGNAME ": can't open PNG file [%s]\n", filename); - ++error; - } else { - if ((rc = readpng_init(infile, &image_width, &image_height)) != 0) { - switch (rc) { - case 1: - fprintf(stderr, PROGNAME - ": [%s] is not a PNG file: incorrect signature\n", - filename); - break; - case 2: - fprintf(stderr, PROGNAME - ": [%s] has bad IHDR (libpng longjmp)\n", filename); - break; - case 4: - fprintf(stderr, PROGNAME ": insufficient memory\n"); - break; - default: - fprintf(stderr, PROGNAME - ": unknown readpng_init() error\n"); - break; - } - ++error; - } else { - display = XOpenDisplay(displayname); - if (!display) { - readpng_cleanup(TRUE); - fprintf(stderr, PROGNAME ": can't open X display [%s]\n", - displayname? displayname : "default"); - ++error; - } - } - if (error) - fclose(infile); - } - - - if (error) { - fprintf(stderr, PROGNAME ": aborting.\n"); - exit(2); - } - - - /* set the title-bar string, but make sure buffer doesn't overflow */ - - alen = strlen(appname); - flen = strlen(filename); - if (alen + flen + 3 > 1023) - sprintf(titlebar, "%s: ...%s", appname, filename+(alen+flen+6-1023)); - else - sprintf(titlebar, "%s: %s", appname, filename); - - - /* if the user didn't specify a background color on the command line, - * check for one in the PNG file--if not, the initialized values of 0 - * (black) will be used */ - - if (have_bg) { - unsigned r, g, b; /* this approach quiets compiler warnings */ - - sscanf(bgstr+1, "%2x%2x%2x", &r, &g, &b); - bg_red = (uch)r; - bg_green = (uch)g; - bg_blue = (uch)b; - } else if (readpng_get_bgcolor(&bg_red, &bg_green, &bg_blue) > 1) { - readpng_cleanup(TRUE); - fprintf(stderr, PROGNAME - ": libpng error while checking for background color\n"); - exit(2); - } - - - /* do the basic X initialization stuff, make the window and fill it - * with the background color */ - - if (rpng_x_create_window()) - exit(2); - - - /* decode the image, all at once */ - - Trace((stderr, "calling readpng_get_image()\n")) - image_data = readpng_get_image(display_exponent, &image_channels, - &image_rowbytes); - Trace((stderr, "done with readpng_get_image()\n")) - - - /* done with PNG file, so clean up to minimize memory usage (but do NOT - * nuke image_data!) */ - - readpng_cleanup(FALSE); - fclose(infile); - - if (!image_data) { - fprintf(stderr, PROGNAME ": unable to decode PNG image\n"); - exit(3); - } - - - /* display image (composite with background if requested) */ - - Trace((stderr, "calling rpng_x_display_image()\n")) - if (rpng_x_display_image()) { - free(image_data); - exit(4); - } - Trace((stderr, "done with rpng_x_display_image()\n")) - - - /* wait for the user to tell us when to quit */ - - printf( - "Done. Press Q, Esc or mouse button 1 (within image window) to quit.\n"); - fflush(stdout); - - do - XNextEvent(display, &e); - while (!(e.type == ButtonPress && e.xbutton.button == Button1) && - !(e.type == KeyPress && /* v--- or 1 for shifted keys */ - ((k = XLookupKeysym(&e.xkey, 0)) == XK_q || k == XK_Escape) )); - - - /* OK, we're done: clean up all image and X resources and go away */ - - rpng_x_cleanup(); - - return 0; -} - - - - - -static int rpng_x_create_window(void) -{ - uch *xdata; - int need_colormap = FALSE; - int screen, pad; - ulg bg_pixel = 0L; - ulg attrmask; - Window root; - XEvent e; - XGCValues gcvalues; - XSetWindowAttributes attr; - XTextProperty windowName, *pWindowName = &windowName; - XTextProperty iconName, *pIconName = &iconName; - XVisualInfo visual_info; - XSizeHints *size_hints; - XWMHints *wm_hints; - XClassHint *class_hints; - - - screen = DefaultScreen(display); - depth = DisplayPlanes(display, screen); - root = RootWindow(display, screen); - -#ifdef DEBUG - XSynchronize(display, True); -#endif - -#if 0 -/* GRR: add 8-bit support */ - if (/* depth != 8 && */ depth != 16 && depth != 24 && depth != 32) { - fprintf(stderr, - "screen depth %d not supported (only 16-, 24- or 32-bit TrueColor)\n", - depth); - return 2; - } - - XMatchVisualInfo(display, screen, depth, - (depth == 8)? PseudoColor : TrueColor, &visual_info); - visual = visual_info.visual; -#else - if (depth != 16 && depth != 24 && depth != 32) { - int visuals_matched = 0; - - Trace((stderr, "default depth is %d: checking other visuals\n", - depth)) - - /* 24-bit first */ - visual_info.screen = screen; - visual_info.depth = 24; - visual_list = XGetVisualInfo(display, - VisualScreenMask | VisualDepthMask, &visual_info, &visuals_matched); - if (visuals_matched == 0) { -/* GRR: add 15-, 16- and 32-bit TrueColor visuals (also DirectColor?) */ - fprintf(stderr, "default screen depth %d not supported, and no" - " 24-bit visuals found\n", depth); - return 2; - } - Trace((stderr, "XGetVisualInfo() returned %d 24-bit visuals\n", - visuals_matched)) - visual = visual_list[0].visual; - depth = visual_list[0].depth; -/* - colormap_size = visual_list[0].colormap_size; - visual_class = visual->class; - visualID = XVisualIDFromVisual(visual); - */ - have_nondefault_visual = TRUE; - need_colormap = TRUE; - } else { - XMatchVisualInfo(display, screen, depth, TrueColor, &visual_info); - visual = visual_info.visual; - } -#endif - - RMask = visual->red_mask; - GMask = visual->green_mask; - BMask = visual->blue_mask; - -/* GRR: add/check 8-bit support */ - if (depth == 8 || need_colormap) { - colormap = XCreateColormap(display, root, visual, AllocNone); - if (!colormap) { - fprintf(stderr, "XCreateColormap() failed\n"); - return 2; - } - have_colormap = TRUE; - } - if (depth == 15 || depth == 16) { - RShift = 15 - rpng_x_msb(RMask); /* these are right-shifts */ - GShift = 15 - rpng_x_msb(GMask); - BShift = 15 - rpng_x_msb(BMask); - } else if (depth > 16) { -#define NO_24BIT_MASKS -#ifdef NO_24BIT_MASKS - RShift = rpng_x_msb(RMask) - 7; /* these are left-shifts */ - GShift = rpng_x_msb(GMask) - 7; - BShift = rpng_x_msb(BMask) - 7; -#else - RShift = 7 - rpng_x_msb(RMask); /* these are right-shifts, too */ - GShift = 7 - rpng_x_msb(GMask); - BShift = 7 - rpng_x_msb(BMask); -#endif - } - if (depth >= 15 && (RShift < 0 || GShift < 0 || BShift < 0)) { - fprintf(stderr, "rpng internal logic error: negative X shift(s)!\n"); - return 2; - } - -/*--------------------------------------------------------------------------- - Finally, create the window. - ---------------------------------------------------------------------------*/ - - attr.backing_store = Always; - attr.event_mask = ExposureMask | KeyPressMask | ButtonPressMask; - attrmask = CWBackingStore | CWEventMask; - if (have_nondefault_visual) { - attr.colormap = colormap; - attr.background_pixel = 0; - attr.border_pixel = 1; - attrmask |= CWColormap | CWBackPixel | CWBorderPixel; - } - - window = XCreateWindow(display, root, 0, 0, image_width, image_height, 0, - depth, InputOutput, visual, attrmask, &attr); - - if (window == None) { - fprintf(stderr, "XCreateWindow() failed\n"); - return 2; - } else - have_window = TRUE; - - if (depth == 8) - XSetWindowColormap(display, window, colormap); - - if (!XStringListToTextProperty(&window_name, 1, pWindowName)) - pWindowName = NULL; - if (!XStringListToTextProperty(&icon_name, 1, pIconName)) - pIconName = NULL; - - /* OK if any hints allocation fails; XSetWMProperties() allows NULLs */ - - if ((size_hints = XAllocSizeHints()) != NULL) { - /* window will not be resizable */ - size_hints->flags = PMinSize | PMaxSize; - size_hints->min_width = size_hints->max_width = (int)image_width; - size_hints->min_height = size_hints->max_height = (int)image_height; - } - - if ((wm_hints = XAllocWMHints()) != NULL) { - wm_hints->initial_state = NormalState; - wm_hints->input = True; - /* wm_hints->icon_pixmap = icon_pixmap; */ - wm_hints->flags = StateHint | InputHint /* | IconPixmapHint */ ; - } - - if ((class_hints = XAllocClassHint()) != NULL) { - class_hints->res_name = res_name; - class_hints->res_class = res_class; - } - - XSetWMProperties(display, window, pWindowName, pIconName, NULL, 0, - size_hints, wm_hints, class_hints); - - /* various properties and hints no longer needed; free memory */ - if (pWindowName) - XFree(pWindowName->value); - if (pIconName) - XFree(pIconName->value); - if (size_hints) - XFree(size_hints); - if (wm_hints) - XFree(wm_hints); - if (class_hints) - XFree(class_hints); - - XMapWindow(display, window); - - gc = XCreateGC(display, window, 0, &gcvalues); - have_gc = TRUE; - -/*--------------------------------------------------------------------------- - Fill window with the specified background color. - ---------------------------------------------------------------------------*/ - - if (depth == 24 || depth == 32) { - bg_pixel = ((ulg)bg_red << RShift) | - ((ulg)bg_green << GShift) | - ((ulg)bg_blue << BShift); - } else if (depth == 16) { - bg_pixel = ((((ulg)bg_red << 8) >> RShift) & RMask) | - ((((ulg)bg_green << 8) >> GShift) & GMask) | - ((((ulg)bg_blue << 8) >> BShift) & BMask); - } else /* depth == 8 */ { - - /* GRR: add 8-bit support */ - - } - - XSetForeground(display, gc, bg_pixel); - XFillRectangle(display, window, gc, 0, 0, image_width, image_height); - -/*--------------------------------------------------------------------------- - Wait for first Expose event to do any drawing, then flush. - ---------------------------------------------------------------------------*/ - - do - XNextEvent(display, &e); - while (e.type != Expose || e.xexpose.count); - - XFlush(display); - -/*--------------------------------------------------------------------------- - Allocate memory for the X- and display-specific version of the image. - ---------------------------------------------------------------------------*/ - - if (depth == 24 || depth == 32) { - xdata = (uch *)malloc(4*image_width*image_height); - pad = 32; - } else if (depth == 16) { - xdata = (uch *)malloc(2*image_width*image_height); - pad = 16; - } else /* depth == 8 */ { - xdata = (uch *)malloc(image_width*image_height); - pad = 8; - } - - if (!xdata) { - fprintf(stderr, PROGNAME ": unable to allocate image memory\n"); - return 4; - } - - ximage = XCreateImage(display, visual, depth, ZPixmap, 0, - (char *)xdata, image_width, image_height, pad, 0); - - if (!ximage) { - fprintf(stderr, PROGNAME ": XCreateImage() failed\n"); - free(xdata); - return 3; - } - - /* to avoid testing the byte order every pixel (or doubling the size of - * the drawing routine with a giant if-test), we arbitrarily set the byte - * order to MSBFirst and let Xlib worry about inverting things on little- - * endian machines (like Linux/x86, old VAXen, etc.)--this is not the most - * efficient approach (the giant if-test would be better), but in the - * interest of clarity, we take the easy way out... */ - - ximage->byte_order = MSBFirst; - - return 0; - -} /* end function rpng_x_create_window() */ - - - - - -static int rpng_x_display_image(void) -{ - uch *src; - char *dest; - uch r, g, b, a; - ulg i, row, lastrow = 0; - ulg pixel; - int ximage_rowbytes = ximage->bytes_per_line; -/* int bpp = ximage->bits_per_pixel; */ - - - Trace((stderr, "beginning display loop (image_channels == %d)\n", - image_channels)) - Trace((stderr, " (width = %ld, rowbytes = %ld, ximage_rowbytes = %d)\n", - image_width, image_rowbytes, ximage_rowbytes)) - Trace((stderr, " (bpp = %d)\n", ximage->bits_per_pixel)) - Trace((stderr, " (byte_order = %s)\n", ximage->byte_order == MSBFirst? - "MSBFirst" : (ximage->byte_order == LSBFirst? "LSBFirst" : "unknown"))) - - if (depth == 24 || depth == 32) { - ulg red, green, blue; - - for (lastrow = row = 0; row < image_height; ++row) { - src = image_data + row*image_rowbytes; - dest = ximage->data + row*ximage_rowbytes; - if (image_channels == 3) { - for (i = image_width; i > 0; --i) { - red = *src++; - green = *src++; - blue = *src++; -#ifdef NO_24BIT_MASKS - pixel = (red << RShift) | - (green << GShift) | - (blue << BShift); - /* recall that we set ximage->byte_order = MSBFirst above */ - /* GRR BUG: this assumes bpp == 32, but may be 24: */ - *dest++ = (char)((pixel >> 24) & 0xff); - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); -#else - red = (RShift < 0)? red << (-RShift) : red >> RShift; - green = (GShift < 0)? green << (-GShift) : green >> GShift; - blue = (BShift < 0)? blue << (-BShift) : blue >> BShift; - pixel = (red & RMask) | (green & GMask) | (blue & BMask); - /* recall that we set ximage->byte_order = MSBFirst above */ - *dest++ = (char)((pixel >> 24) & 0xff); - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); -#endif - } - } else /* if (image_channels == 4) */ { - for (i = image_width; i > 0; --i) { - r = *src++; - g = *src++; - b = *src++; - a = *src++; - if (a == 255) { - red = r; - green = g; - blue = b; - } else if (a == 0) { - red = bg_red; - green = bg_green; - blue = bg_blue; - } else { - /* this macro (from png.h) composites the foreground - * and background values and puts the result into the - * first argument */ - alpha_composite(red, r, a, bg_red); - alpha_composite(green, g, a, bg_green); - alpha_composite(blue, b, a, bg_blue); - } - pixel = (red << RShift) | - (green << GShift) | - (blue << BShift); - /* recall that we set ximage->byte_order = MSBFirst above */ - *dest++ = (char)((pixel >> 24) & 0xff); - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } - } - /* display after every 16 lines */ - if (((row+1) & 0xf) == 0) { - XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0, - (int)lastrow, image_width, 16); - XFlush(display); - lastrow = row + 1; - } - } - - } else if (depth == 16) { - ush red, green, blue; - - for (lastrow = row = 0; row < image_height; ++row) { - src = image_data + row*image_rowbytes; - dest = ximage->data + row*ximage_rowbytes; - if (image_channels == 3) { - for (i = image_width; i > 0; --i) { - red = ((ush)(*src) << 8); - ++src; - green = ((ush)(*src) << 8); - ++src; - blue = ((ush)(*src) << 8); - ++src; - pixel = ((red >> RShift) & RMask) | - ((green >> GShift) & GMask) | - ((blue >> BShift) & BMask); - /* recall that we set ximage->byte_order = MSBFirst above */ - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } - } else /* if (image_channels == 4) */ { - for (i = image_width; i > 0; --i) { - r = *src++; - g = *src++; - b = *src++; - a = *src++; - if (a == 255) { - red = ((ush)r << 8); - green = ((ush)g << 8); - blue = ((ush)b << 8); - } else if (a == 0) { - red = ((ush)bg_red << 8); - green = ((ush)bg_green << 8); - blue = ((ush)bg_blue << 8); - } else { - /* this macro (from png.h) composites the foreground - * and background values and puts the result back into - * the first argument (== fg byte here: safe) */ - alpha_composite(r, r, a, bg_red); - alpha_composite(g, g, a, bg_green); - alpha_composite(b, b, a, bg_blue); - red = ((ush)r << 8); - green = ((ush)g << 8); - blue = ((ush)b << 8); - } - pixel = ((red >> RShift) & RMask) | - ((green >> GShift) & GMask) | - ((blue >> BShift) & BMask); - /* recall that we set ximage->byte_order = MSBFirst above */ - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } - } - /* display after every 16 lines */ - if (((row+1) & 0xf) == 0) { - XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0, - (int)lastrow, image_width, 16); - XFlush(display); - lastrow = row + 1; - } - } - - } else /* depth == 8 */ { - - /* GRR: add 8-bit support */ - - } - - Trace((stderr, "calling final XPutImage()\n")) - if (lastrow < image_height) { - XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0, - (int)lastrow, image_width, image_height-lastrow); - XFlush(display); - } - - return 0; -} - - - - -static void rpng_x_cleanup(void) -{ - if (image_data) { - free(image_data); - image_data = NULL; - } - - if (ximage) { - if (ximage->data) { - free(ximage->data); /* we allocated it, so we free it */ - ximage->data = (char *)NULL; /* instead of XDestroyImage() */ - } - XDestroyImage(ximage); - ximage = NULL; - } - - if (have_gc) - XFreeGC(display, gc); - - if (have_window) - XDestroyWindow(display, window); - - if (have_colormap) - XFreeColormap(display, colormap); - - if (have_nondefault_visual) - XFree(visual_list); -} - - - - - -static int rpng_x_msb(ulg u32val) -{ - int i; - - for (i = 31; i >= 0; --i) { - if (u32val & 0x80000000L) - break; - u32val <<= 1; - } - return i; -} diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/rpng2-win.c b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/rpng2-win.c deleted file mode 100644 index 9f7ad78dd57..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/rpng2-win.c +++ /dev/null @@ -1,1225 +0,0 @@ -/*--------------------------------------------------------------------------- - - rpng2 - progressive-model PNG display program rpng2-win.c - - This program decodes and displays PNG files progressively, as if it were - a web browser (though the front end is only set up to read from files). - It supports gamma correction, user-specified background colors, and user- - specified background patterns (for transparent images). This version is - for 32-bit Windows; it may compile under 16-bit Windows with a little - tweaking (or maybe not). Thanks to Adam Costello and Pieter S. van der - Meulen for the "diamond" and "radial waves" patterns, respectively. - - to do (someday, maybe): - - handle quoted command-line args (especially filenames with spaces) - - finish resizable checkerboard-gradient (sizes 4-128?) - - use %.1023s to simplify truncation of title-bar string? - - have minimum window width: oh well - - --------------------------------------------------------------------------- - - Changelog: - - 1.01: initial public release - - 1.02: fixed cut-and-paste error in usage screen (oops...) - - 1.03: modified to allow abbreviated options - - 1.04: removed bogus extra argument from usage fprintf() [Glenn R-P?]; - fixed command-line parsing bug - - 1.10: enabled "message window"/console (thanks to David Geldreich) - - 1.20: added runtime MMX-enabling/disabling and new -mmx* options - - 1.21: made minor tweak to usage screen to fit within 25-line console - - 1.22: added AMD64/EM64T support (__x86_64__) - - 2.00: dual-licensed (added GNU GPL) - - 2.01: fixed 64-bit typo in readpng2.c - - 2.02: fixed improper display of usage screen on PNG error(s); fixed - unexpected-EOF and file-read-error cases - - --------------------------------------------------------------------------- - - Copyright (c) 1998-2008 Greg Roelofs. All rights reserved. - - This software is provided "as is," without warranty of any kind, - express or implied. In no event shall the author or contributors - be held liable for any damages arising in any way from the use of - this software. - - The contents of this file are DUAL-LICENSED. You may modify and/or - redistribute this software according to the terms of one of the - following two licenses (at your option): - - - LICENSE 1 ("BSD-like with advertising clause"): - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute - it freely, subject to the following restrictions: - - 1. Redistributions of source code must retain the above copyright - notice, disclaimer, and this list of conditions. - 2. Redistributions in binary form must reproduce the above copyright - notice, disclaimer, and this list of conditions in the documenta- - tion and/or other materials provided with the distribution. - 3. All advertising materials mentioning features or use of this - software must display the following acknowledgment: - - This product includes software developed by Greg Roelofs - and contributors for the book, "PNG: The Definitive Guide," - published by O'Reilly and Associates. - - - LICENSE 2 (GNU GPL v2 or later): - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - ---------------------------------------------------------------------------*/ - -#define PROGNAME "rpng2-win" -#define LONGNAME "Progressive PNG Viewer for Windows" -#define VERSION "2.02 of 16 March 2008" - -#include -#include -#include -#include /* for jmpbuf declaration in readpng2.h */ -#include -#include /* only for PvdM background code */ -#include -#include /* only for _getch() */ - -/* all for PvdM background code: */ -#ifndef PI -# define PI 3.141592653589793238 -#endif -#define PI_2 (PI*0.5) -#define INV_PI_360 (360.0 / PI) -#define MAX(a,b) (a>b?a:b) -#define MIN(a,b) (a> 8)) >> 8); \ -} - - -#define INBUFSIZE 4096 /* with pseudo-timing on (1 sec delay/block), this - * block size corresponds roughly to a download - * speed 10% faster than theoretical 33.6K maximum - * (assuming 8 data bits, 1 stop bit and no other - * overhead) */ - -/* local prototypes */ -static void rpng2_win_init(void); -static int rpng2_win_create_window(void); -static int rpng2_win_load_bg_image(void); -static void rpng2_win_display_row(ulg row); -static void rpng2_win_finish_display(void); -static void rpng2_win_cleanup(void); -LRESULT CALLBACK rpng2_win_wndproc(HWND, UINT, WPARAM, LPARAM); - - -static char titlebar[1024]; -static char *progname = PROGNAME; -static char *appname = LONGNAME; -static char *filename; -static FILE *infile; - -static mainprog_info rpng2_info; - -static uch inbuf[INBUFSIZE]; -static int incount; - -static int pat = 6; /* must be less than num_bgpat */ -static int bg_image = 0; -static int bgscale = 16; -static ulg bg_rowbytes; -static uch *bg_data; - -static struct rgb_color { - uch r, g, b; -} rgb[] = { - { 0, 0, 0}, /* 0: black */ - {255, 255, 255}, /* 1: white */ - {173, 132, 57}, /* 2: tan */ - { 64, 132, 0}, /* 3: medium green */ - {189, 117, 1}, /* 4: gold */ - {253, 249, 1}, /* 5: yellow */ - { 0, 0, 255}, /* 6: blue */ - { 0, 0, 120}, /* 7: medium blue */ - {255, 0, 255}, /* 8: magenta */ - { 64, 0, 64}, /* 9: dark magenta */ - {255, 0, 0}, /* 10: red */ - { 64, 0, 0}, /* 11: dark red */ - {255, 127, 0}, /* 12: orange */ - {192, 96, 0}, /* 13: darker orange */ - { 24, 60, 0}, /* 14: dark green-yellow */ - { 85, 125, 200} /* 15: ice blue */ -}; -/* not used for now, but should be for error-checking: -static int num_rgb = sizeof(rgb) / sizeof(struct rgb_color); - */ - -/* - This whole struct is a fairly cheesy way to keep the number of - command-line options to a minimum. The radial-waves background - type is a particularly poor fit to the integer elements of the - struct...but a few macros and a little fixed-point math will do - wonders for ya. - - type bits: - F E D C B A 9 8 7 6 5 4 3 2 1 0 - | | | | | - | | +-+-+-- 0 = sharp-edged checkerboard - | | 1 = soft diamonds - | | 2 = radial waves - | | 3-7 = undefined - | +-- gradient #2 inverted? - +-- alternating columns inverted? - */ -static struct background_pattern { - ush type; - int rgb1_max, rgb1_min; /* or bg_freq, bg_gray */ - int rgb2_max, rgb2_min; /* or bg_bsat, bg_brot (both scaled by 10)*/ -} bg[] = { - {0+8, 2,0, 1,15}, /* checkered: tan/black vs. white/ice blue */ - {0+24, 2,0, 1,0}, /* checkered: tan/black vs. white/black */ - {0+8, 4,5, 0,2}, /* checkered: gold/yellow vs. black/tan */ - {0+8, 4,5, 0,6}, /* checkered: gold/yellow vs. black/blue */ - {0, 7,0, 8,9}, /* checkered: deep blue/black vs. magenta */ - {0+8, 13,0, 5,14}, /* checkered: orange/black vs. yellow */ - {0+8, 12,0, 10,11}, /* checkered: orange/black vs. red */ - {1, 7,0, 8,0}, /* diamonds: deep blue/black vs. magenta */ - {1, 12,0, 11,0}, /* diamonds: orange vs. dark red */ - {1, 10,0, 7,0}, /* diamonds: red vs. medium blue */ - {1, 4,0, 5,0}, /* diamonds: gold vs. yellow */ - {1, 3,0, 0,0}, /* diamonds: medium green vs. black */ - {2, 16, 100, 20, 0}, /* radial: ~hard radial color-beams */ - {2, 18, 100, 10, 2}, /* radial: soft, curved radial color-beams */ - {2, 16, 256, 100, 250}, /* radial: very tight spiral */ - {2, 10000, 256, 11, 0} /* radial: dipole-moire' (almost fractal) */ -}; -static int num_bgpat = sizeof(bg) / sizeof(struct background_pattern); - - -/* Windows-specific global variables (could go in struct, but messy...) */ -static ulg wimage_rowbytes; -static uch *dib; -static uch *wimage_data; -static BITMAPINFOHEADER *bmih; - -static HWND global_hwnd; -static HINSTANCE global_hInst; -static int global_showmode; - - - - -int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, PSTR cmd, int showmode) -{ - char *args[1024]; /* arbitrary limit, but should suffice */ - char **argv = args; - char *p, *q, *bgstr = NULL; - int argc = 0; - int rc, alen, flen; - int error = 0; - int timing = FALSE; - int have_bg = FALSE; - double LUT_exponent; /* just the lookup table */ - double CRT_exponent = 2.2; /* just the monitor */ - double default_display_exponent; /* whole display system */ - MSG msg; - - - /* First initialize a few things, just to be sure--memset takes care of - * default background color (black), booleans (FALSE), pointers (NULL), - * etc. */ - - global_hInst = hInst; - global_showmode = showmode; - filename = (char *)NULL; - memset(&rpng2_info, 0, sizeof(mainprog_info)); - - - /* Next reenable console output, which normally goes to the bit bucket - * for windowed apps. Closing the console window will terminate the - * app. Thanks to David.Geldreich@realviz.com for supplying the magical - * incantation. */ - - AllocConsole(); - freopen("CONOUT$", "a", stderr); - freopen("CONOUT$", "a", stdout); - - - /* Set the default value for our display-system exponent, i.e., the - * product of the CRT exponent and the exponent corresponding to - * the frame-buffer's lookup table (LUT), if any. This is not an - * exhaustive list of LUT values (e.g., OpenStep has a lot of weird - * ones), but it should cover 99% of the current possibilities. And - * yes, these ifdefs are completely wasted in a Windows program... */ - -#if defined(NeXT) - /* third-party utilities can modify the default LUT exponent */ - LUT_exponent = 1.0 / 2.2; - /* - if (some_next_function_that_returns_gamma(&next_gamma)) - LUT_exponent = 1.0 / next_gamma; - */ -#elif defined(sgi) - LUT_exponent = 1.0 / 1.7; - /* there doesn't seem to be any documented function to - * get the "gamma" value, so we do it the hard way */ - infile = fopen("/etc/config/system.glGammaVal", "r"); - if (infile) { - double sgi_gamma; - - fgets(tmpline, 80, infile); - fclose(infile); - sgi_gamma = atof(tmpline); - if (sgi_gamma > 0.0) - LUT_exponent = 1.0 / sgi_gamma; - } -#elif defined(Macintosh) - LUT_exponent = 1.8 / 2.61; - /* - if (some_mac_function_that_returns_gamma(&mac_gamma)) - LUT_exponent = mac_gamma / 2.61; - */ -#else - LUT_exponent = 1.0; /* assume no LUT: most PCs */ -#endif - - /* the defaults above give 1.0, 1.3, 1.5 and 2.2, respectively: */ - default_display_exponent = LUT_exponent * CRT_exponent; - - - /* If the user has set the SCREEN_GAMMA environment variable as suggested - * (somewhat imprecisely) in the libpng documentation, use that; otherwise - * use the default value we just calculated. Either way, the user may - * override this via a command-line option. */ - - if ((p = getenv("SCREEN_GAMMA")) != NULL) - rpng2_info.display_exponent = atof(p); - else - rpng2_info.display_exponent = default_display_exponent; - - - /* Windows really hates command lines, so we have to set up our own argv. - * Note that we do NOT bother with quoted arguments here, so don't use - * filenames with spaces in 'em! */ - - argv[argc++] = PROGNAME; - p = cmd; - for (;;) { - if (*p == ' ') - while (*++p == ' ') - ; - /* now p points at the first non-space after some spaces */ - if (*p == '\0') - break; /* nothing after the spaces: done */ - argv[argc++] = q = p; - while (*q && *q != ' ') - ++q; - /* now q points at a space or the end of the string */ - if (*q == '\0') - break; /* last argv already terminated; quit */ - *q = '\0'; /* change space to terminator */ - p = q + 1; - } - argv[argc] = NULL; /* terminate the argv array itself */ - - - /* Now parse the command line for options and the PNG filename. */ - - while (*++argv && !error) { - if (!strncmp(*argv, "-gamma", 2)) { - if (!*++argv) - ++error; - else { - rpng2_info.display_exponent = atof(*argv); - if (rpng2_info.display_exponent <= 0.0) - ++error; - } - } else if (!strncmp(*argv, "-bgcolor", 4)) { - if (!*++argv) - ++error; - else { - bgstr = *argv; - if (strlen(bgstr) != 7 || bgstr[0] != '#') - ++error; - else { - have_bg = TRUE; - bg_image = FALSE; - } - } - } else if (!strncmp(*argv, "-bgpat", 4)) { - if (!*++argv) - ++error; - else { - pat = atoi(*argv) - 1; - if (pat < 0 || pat >= num_bgpat) - ++error; - else { - bg_image = TRUE; - have_bg = FALSE; - } - } - } else if (!strncmp(*argv, "-timing", 2)) { - timing = TRUE; -#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__)) - } else if (!strncmp(*argv, "-nommxfilters", 7)) { - rpng2_info.nommxfilters = TRUE; - } else if (!strncmp(*argv, "-nommxcombine", 7)) { - rpng2_info.nommxcombine = TRUE; - } else if (!strncmp(*argv, "-nommxinterlace", 7)) { - rpng2_info.nommxinterlace = TRUE; - } else if (!strcmp(*argv, "-nommx")) { - rpng2_info.nommxfilters = TRUE; - rpng2_info.nommxcombine = TRUE; - rpng2_info.nommxinterlace = TRUE; -#endif - } else { - if (**argv != '-') { - filename = *argv; - if (argv[1]) /* shouldn't be any more args after filename */ - ++error; - } else - ++error; /* not expecting any other options */ - } - } - - if (!filename) - ++error; - - - /* print usage screen if any errors up to this point */ - - if (error) { - int ch; - - fprintf(stderr, "\n%s %s: %s\n\n", PROGNAME, VERSION, appname); - readpng2_version_info(); - fprintf(stderr, "\n" - "Usage: %s [-gamma exp] [-bgcolor bg | -bgpat pat] [-timing]\n" -#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__)) - " %*s [[-nommxfilters] [-nommxcombine] [-nommxinterlace] | -nommx]\n" -#endif - " %*s file.png\n\n" - " exp \ttransfer-function exponent (``gamma'') of the display\n" - "\t\t system in floating-point format (e.g., ``%.1f''); equal\n" - "\t\t to the product of the lookup-table exponent (varies)\n" - "\t\t and the CRT exponent (usually 2.2); must be positive\n" - " bg \tdesired background color in 7-character hex RGB format\n" - "\t\t (e.g., ``#ff7700'' for orange: same as HTML colors);\n" - "\t\t used with transparent images; overrides -bgpat option\n" - " pat \tdesired background pattern number (1-%d); used with\n" - "\t\t transparent images; overrides -bgcolor option\n" - " -timing\tenables delay for every block read, to simulate modem\n" - "\t\t download of image (~36 Kbps)\n" -#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__)) - " -nommx*\tdisable optimized MMX routines for decoding row filters,\n" - "\t\t combining rows, and expanding interlacing, respectively\n" -#endif - "\nPress Q, Esc or mouse button 1 after image is displayed to quit.\n" - "Press Q or Esc to quit this usage screen. ", - PROGNAME, -#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__)) - (int)strlen(PROGNAME), " ", -#endif - (int)strlen(PROGNAME), " ", default_display_exponent, num_bgpat); - fflush(stderr); - do - ch = _getch(); - while (ch != 'q' && ch != 'Q' && ch != 0x1B); - exit(1); - } - - - if (!(infile = fopen(filename, "rb"))) { - fprintf(stderr, PROGNAME ": can't open PNG file [%s]\n", filename); - ++error; - } else { - incount = fread(inbuf, 1, INBUFSIZE, infile); - if (incount < 8 || !readpng2_check_sig(inbuf, 8)) { - fprintf(stderr, PROGNAME - ": [%s] is not a PNG file: incorrect signature\n", - filename); - ++error; - } else if ((rc = readpng2_init(&rpng2_info)) != 0) { - switch (rc) { - case 2: - fprintf(stderr, PROGNAME - ": [%s] has bad IHDR (libpng longjmp)\n", filename); - break; - case 4: - fprintf(stderr, PROGNAME ": insufficient memory\n"); - break; - default: - fprintf(stderr, PROGNAME - ": unknown readpng2_init() error\n"); - break; - } - ++error; - } - if (error) - fclose(infile); - } - - - if (error) { - int ch; - - fprintf(stderr, PROGNAME ": aborting.\n"); - do - ch = _getch(); - while (ch != 'q' && ch != 'Q' && ch != 0x1B); - exit(2); - } else { - fprintf(stderr, "\n%s %s: %s\n", PROGNAME, VERSION, appname); - fprintf(stderr, - "\n [console window: closing this window will terminate %s]\n\n", - PROGNAME); - fflush(stderr); - } - - - /* set the title-bar string, but make sure buffer doesn't overflow */ - - alen = strlen(appname); - flen = strlen(filename); - if (alen + flen + 3 > 1023) - sprintf(titlebar, "%s: ...%s", appname, filename+(alen+flen+6-1023)); - else - sprintf(titlebar, "%s: %s", appname, filename); - - - /* set some final rpng2_info variables before entering main data loop */ - - if (have_bg) { - unsigned r, g, b; /* this approach quiets compiler warnings */ - - sscanf(bgstr+1, "%2x%2x%2x", &r, &g, &b); - rpng2_info.bg_red = (uch)r; - rpng2_info.bg_green = (uch)g; - rpng2_info.bg_blue = (uch)b; - } else - rpng2_info.need_bgcolor = TRUE; - - rpng2_info.state = kPreInit; - rpng2_info.mainprog_init = rpng2_win_init; - rpng2_info.mainprog_display_row = rpng2_win_display_row; - rpng2_info.mainprog_finish_display = rpng2_win_finish_display; - - - /* OK, this is the fun part: call readpng2_decode_data() at the start of - * the loop to deal with our first buffer of data (read in above to verify - * that the file is a PNG image), then loop through the file and continue - * calling the same routine to handle each chunk of data. It in turn - * passes the data to libpng, which will invoke one or more of our call- - * backs as decoded data become available. We optionally call Sleep() for - * one second per iteration to simulate downloading the image via an analog - * modem. */ - - for (;;) { - Trace((stderr, "about to call readpng2_decode_data()\n")) - if (readpng2_decode_data(&rpng2_info, inbuf, incount)) - ++error; - Trace((stderr, "done with readpng2_decode_data()\n")) - - if (error || incount != INBUFSIZE || rpng2_info.state == kDone) { - if (rpng2_info.state == kDone) { - Trace((stderr, "done decoding PNG image\n")) - } else if (ferror(infile)) { - fprintf(stderr, PROGNAME - ": error while reading PNG image file\n"); - exit(3); - } else if (feof(infile)) { - fprintf(stderr, PROGNAME ": end of file reached " - "(unexpectedly) while reading PNG image file\n"); - exit(3); - } else /* if (error) */ { - // will print error message below - } - break; - } - - if (timing) - Sleep(1000L); - - incount = fread(inbuf, 1, INBUFSIZE, infile); - } - - - /* clean up PNG stuff and report any decoding errors */ - - fclose(infile); - Trace((stderr, "about to call readpng2_cleanup()\n")) - readpng2_cleanup(&rpng2_info); - - if (error) { - fprintf(stderr, PROGNAME ": libpng error while decoding PNG image\n"); - exit(3); - } - - - /* wait for the user to tell us when to quit */ - - while (GetMessage(&msg, NULL, 0, 0)) { - TranslateMessage(&msg); - DispatchMessage(&msg); - } - - - /* we're done: clean up all image and Windows resources and go away */ - - Trace((stderr, "about to call rpng2_win_cleanup()\n")) - rpng2_win_cleanup(); - - return msg.wParam; -} - - - - - -/* this function is called by readpng2_info_callback() in readpng2.c, which - * in turn is called by libpng after all of the pre-IDAT chunks have been - * read and processed--i.e., we now have enough info to finish initializing */ - -static void rpng2_win_init() -{ - ulg i; - ulg rowbytes = rpng2_info.rowbytes; - - Trace((stderr, "beginning rpng2_win_init()\n")) - Trace((stderr, " rowbytes = %d\n", rpng2_info.rowbytes)) - Trace((stderr, " width = %ld\n", rpng2_info.width)) - Trace((stderr, " height = %ld\n", rpng2_info.height)) - - rpng2_info.image_data = (uch *)malloc(rowbytes * rpng2_info.height); - if (!rpng2_info.image_data) { - readpng2_cleanup(&rpng2_info); - return; - } - - rpng2_info.row_pointers = (uch **)malloc(rpng2_info.height * sizeof(uch *)); - if (!rpng2_info.row_pointers) { - free(rpng2_info.image_data); - rpng2_info.image_data = NULL; - readpng2_cleanup(&rpng2_info); - return; - } - - for (i = 0; i < rpng2_info.height; ++i) - rpng2_info.row_pointers[i] = rpng2_info.image_data + i*rowbytes; - -/*--------------------------------------------------------------------------- - Do the basic Windows initialization stuff, make the window, and fill it - with the user-specified, file-specified or default background color. - ---------------------------------------------------------------------------*/ - - if (rpng2_win_create_window()) { - readpng2_cleanup(&rpng2_info); - return; - } - - rpng2_info.state = kWindowInit; -} - - - - - -static int rpng2_win_create_window() -{ - uch bg_red = rpng2_info.bg_red; - uch bg_green = rpng2_info.bg_green; - uch bg_blue = rpng2_info.bg_blue; - uch *dest; - int extra_width, extra_height; - ulg i, j; - WNDCLASSEX wndclass; - RECT rect; - - -/*--------------------------------------------------------------------------- - Allocate memory for the display-specific version of the image (round up - to multiple of 4 for Windows DIB). - ---------------------------------------------------------------------------*/ - - wimage_rowbytes = ((3*rpng2_info.width + 3L) >> 2) << 2; - - if (!(dib = (uch *)malloc(sizeof(BITMAPINFOHEADER) + - wimage_rowbytes*rpng2_info.height))) - { - return 4; /* fail */ - } - -/*--------------------------------------------------------------------------- - Initialize the DIB. Negative height means to use top-down BMP ordering - (must be uncompressed, but that's what we want). Bit count of 1, 4 or 8 - implies a colormap of RGBX quads, but 24-bit BMPs just use B,G,R values - directly => wimage_data begins immediately after BMP header. - ---------------------------------------------------------------------------*/ - - memset(dib, 0, sizeof(BITMAPINFOHEADER)); - bmih = (BITMAPINFOHEADER *)dib; - bmih->biSize = sizeof(BITMAPINFOHEADER); - bmih->biWidth = rpng2_info.width; - bmih->biHeight = -((long)rpng2_info.height); - bmih->biPlanes = 1; - bmih->biBitCount = 24; - bmih->biCompression = 0; - wimage_data = dib + sizeof(BITMAPINFOHEADER); - -/*--------------------------------------------------------------------------- - Fill window with the specified background color (default is black), but - defer loading faked "background image" until window is displayed (may be - slow to compute). Data are in BGR order. - ---------------------------------------------------------------------------*/ - - if (bg_image) { /* just fill with black for now */ - memset(wimage_data, 0, wimage_rowbytes*rpng2_info.height); - } else { - for (j = 0; j < rpng2_info.height; ++j) { - dest = wimage_data + j*wimage_rowbytes; - for (i = rpng2_info.width; i > 0; --i) { - *dest++ = bg_blue; - *dest++ = bg_green; - *dest++ = bg_red; - } - } - } - -/*--------------------------------------------------------------------------- - Set the window parameters. - ---------------------------------------------------------------------------*/ - - memset(&wndclass, 0, sizeof(wndclass)); - - wndclass.cbSize = sizeof(wndclass); - wndclass.style = CS_HREDRAW | CS_VREDRAW; - wndclass.lpfnWndProc = rpng2_win_wndproc; - wndclass.hInstance = global_hInst; - wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION); - wndclass.hCursor = LoadCursor(NULL, IDC_ARROW); - wndclass.hbrBackground = (HBRUSH)GetStockObject(DKGRAY_BRUSH); - wndclass.lpszMenuName = NULL; - wndclass.lpszClassName = progname; - wndclass.hIconSm = LoadIcon(NULL, IDI_APPLICATION); - - RegisterClassEx(&wndclass); - -/*--------------------------------------------------------------------------- - Finally, create the window. - ---------------------------------------------------------------------------*/ - - extra_width = 2*(GetSystemMetrics(SM_CXBORDER) + - GetSystemMetrics(SM_CXDLGFRAME)); - extra_height = 2*(GetSystemMetrics(SM_CYBORDER) + - GetSystemMetrics(SM_CYDLGFRAME)) + - GetSystemMetrics(SM_CYCAPTION); - - global_hwnd = CreateWindow(progname, titlebar, WS_OVERLAPPEDWINDOW, - CW_USEDEFAULT, CW_USEDEFAULT, rpng2_info.width+extra_width, - rpng2_info.height+extra_height, NULL, NULL, global_hInst, NULL); - - ShowWindow(global_hwnd, global_showmode); - UpdateWindow(global_hwnd); - -/*--------------------------------------------------------------------------- - Now compute the background image and display it. If it fails (memory - allocation), revert to a plain background color. - ---------------------------------------------------------------------------*/ - - if (bg_image) { - static const char *msg = "Computing background image..."; - int x, y, len = strlen(msg); - HDC hdc = GetDC(global_hwnd); - TEXTMETRIC tm; - - GetTextMetrics(hdc, &tm); - x = (rpng2_info.width - len*tm.tmAveCharWidth)/2; - y = (rpng2_info.height - tm.tmHeight)/2; - SetBkMode(hdc, TRANSPARENT); - SetTextColor(hdc, GetSysColor(COLOR_HIGHLIGHTTEXT)); - /* this can still begin out of bounds even if x is positive (???): */ - TextOut(hdc, ((x < 0)? 0 : x), ((y < 0)? 0 : y), msg, len); - ReleaseDC(global_hwnd, hdc); - - rpng2_win_load_bg_image(); /* resets bg_image if fails */ - } - - if (!bg_image) { - for (j = 0; j < rpng2_info.height; ++j) { - dest = wimage_data + j*wimage_rowbytes; - for (i = rpng2_info.width; i > 0; --i) { - *dest++ = bg_blue; - *dest++ = bg_green; - *dest++ = bg_red; - } - } - } - - rect.left = 0L; - rect.top = 0L; - rect.right = (LONG)rpng2_info.width; /* possibly off by one? */ - rect.bottom = (LONG)rpng2_info.height; /* possibly off by one? */ - InvalidateRect(global_hwnd, &rect, FALSE); - UpdateWindow(global_hwnd); /* similar to XFlush() */ - - return 0; - -} /* end function rpng2_win_create_window() */ - - - - - -static int rpng2_win_load_bg_image() -{ - uch *src, *dest; - uch r1, r2, g1, g2, b1, b2; - uch r1_inv, r2_inv, g1_inv, g2_inv, b1_inv, b2_inv; - int k, hmax, max; - int xidx, yidx, yidx_max = (bgscale-1); - int even_odd_vert, even_odd_horiz, even_odd; - int invert_gradient2 = (bg[pat].type & 0x08); - int invert_column; - ulg i, row; - -/*--------------------------------------------------------------------------- - Allocate buffer for fake background image to be used with transparent - images; if this fails, revert to plain background color. - ---------------------------------------------------------------------------*/ - - bg_rowbytes = 3 * rpng2_info.width; - bg_data = (uch *)malloc(bg_rowbytes * rpng2_info.height); - if (!bg_data) { - fprintf(stderr, PROGNAME - ": unable to allocate memory for background image\n"); - bg_image = 0; - return 1; - } - -/*--------------------------------------------------------------------------- - Vertical gradients (ramps) in NxN squares, alternating direction and - colors (N == bgscale). - ---------------------------------------------------------------------------*/ - - if ((bg[pat].type & 0x07) == 0) { - uch r1_min = rgb[bg[pat].rgb1_min].r; - uch g1_min = rgb[bg[pat].rgb1_min].g; - uch b1_min = rgb[bg[pat].rgb1_min].b; - uch r2_min = rgb[bg[pat].rgb2_min].r; - uch g2_min = rgb[bg[pat].rgb2_min].g; - uch b2_min = rgb[bg[pat].rgb2_min].b; - int r1_diff = rgb[bg[pat].rgb1_max].r - r1_min; - int g1_diff = rgb[bg[pat].rgb1_max].g - g1_min; - int b1_diff = rgb[bg[pat].rgb1_max].b - b1_min; - int r2_diff = rgb[bg[pat].rgb2_max].r - r2_min; - int g2_diff = rgb[bg[pat].rgb2_max].g - g2_min; - int b2_diff = rgb[bg[pat].rgb2_max].b - b2_min; - - for (row = 0; row < rpng2_info.height; ++row) { - yidx = row % bgscale; - even_odd_vert = (row / bgscale) & 1; - - r1 = r1_min + (r1_diff * yidx) / yidx_max; - g1 = g1_min + (g1_diff * yidx) / yidx_max; - b1 = b1_min + (b1_diff * yidx) / yidx_max; - r1_inv = r1_min + (r1_diff * (yidx_max-yidx)) / yidx_max; - g1_inv = g1_min + (g1_diff * (yidx_max-yidx)) / yidx_max; - b1_inv = b1_min + (b1_diff * (yidx_max-yidx)) / yidx_max; - - r2 = r2_min + (r2_diff * yidx) / yidx_max; - g2 = g2_min + (g2_diff * yidx) / yidx_max; - b2 = b2_min + (b2_diff * yidx) / yidx_max; - r2_inv = r2_min + (r2_diff * (yidx_max-yidx)) / yidx_max; - g2_inv = g2_min + (g2_diff * (yidx_max-yidx)) / yidx_max; - b2_inv = b2_min + (b2_diff * (yidx_max-yidx)) / yidx_max; - - dest = bg_data + row*bg_rowbytes; - for (i = 0; i < rpng2_info.width; ++i) { - even_odd_horiz = (i / bgscale) & 1; - even_odd = even_odd_vert ^ even_odd_horiz; - invert_column = - (even_odd_horiz && (bg[pat].type & 0x10)); - if (even_odd == 0) { /* gradient #1 */ - if (invert_column) { - *dest++ = r1_inv; - *dest++ = g1_inv; - *dest++ = b1_inv; - } else { - *dest++ = r1; - *dest++ = g1; - *dest++ = b1; - } - } else { /* gradient #2 */ - if ((invert_column && invert_gradient2) || - (!invert_column && !invert_gradient2)) - { - *dest++ = r2; /* not inverted or */ - *dest++ = g2; /* doubly inverted */ - *dest++ = b2; - } else { - *dest++ = r2_inv; - *dest++ = g2_inv; /* singly inverted */ - *dest++ = b2_inv; - } - } - } - } - -/*--------------------------------------------------------------------------- - Soft gradient-diamonds with scale = bgscale. Code contributed by Adam - M. Costello. - ---------------------------------------------------------------------------*/ - - } else if ((bg[pat].type & 0x07) == 1) { - - hmax = (bgscale-1)/2; /* half the max weight of a color */ - max = 2*hmax; /* the max weight of a color */ - - r1 = rgb[bg[pat].rgb1_max].r; - g1 = rgb[bg[pat].rgb1_max].g; - b1 = rgb[bg[pat].rgb1_max].b; - r2 = rgb[bg[pat].rgb2_max].r; - g2 = rgb[bg[pat].rgb2_max].g; - b2 = rgb[bg[pat].rgb2_max].b; - - for (row = 0; row < rpng2_info.height; ++row) { - yidx = row % bgscale; - if (yidx > hmax) - yidx = bgscale-1 - yidx; - dest = bg_data + row*bg_rowbytes; - for (i = 0; i < rpng2_info.width; ++i) { - xidx = i % bgscale; - if (xidx > hmax) - xidx = bgscale-1 - xidx; - k = xidx + yidx; - *dest++ = (k*r1 + (max-k)*r2) / max; - *dest++ = (k*g1 + (max-k)*g2) / max; - *dest++ = (k*b1 + (max-k)*b2) / max; - } - } - -/*--------------------------------------------------------------------------- - Radial "starburst" with azimuthal sinusoids; [eventually number of sinu- - soids will equal bgscale?]. This one is slow but very cool. Code con- - tributed by Pieter S. van der Meulen (originally in Smalltalk). - ---------------------------------------------------------------------------*/ - - } else if ((bg[pat].type & 0x07) == 2) { - uch ch; - int ii, x, y, hw, hh, grayspot; - double freq, rotate, saturate, gray, intensity; - double angle=0.0, aoffset=0.0, maxDist, dist; - double red=0.0, green=0.0, blue=0.0, hue, s, v, f, p, q, t; - - fprintf(stderr, "%s: computing radial background...", - PROGNAME); - fflush(stderr); - - hh = rpng2_info.height / 2; - hw = rpng2_info.width / 2; - - /* variables for radial waves: - * aoffset: number of degrees to rotate hue [CURRENTLY NOT USED] - * freq: number of color beams originating from the center - * grayspot: size of the graying center area (anti-alias) - * rotate: rotation of the beams as a function of radius - * saturate: saturation of beams' shape azimuthally - */ - angle = CLIP(angle, 0.0, 360.0); - grayspot = CLIP(bg[pat].bg_gray, 1, (hh + hw)); - freq = MAX((double)bg[pat].bg_freq, 0.0); - saturate = (double)bg[pat].bg_bsat * 0.1; - rotate = (double)bg[pat].bg_brot * 0.1; - gray = 0.0; - intensity = 0.0; - maxDist = (double)((hw*hw) + (hh*hh)); - - for (row = 0; row < rpng2_info.height; ++row) { - y = row - hh; - dest = bg_data + row*bg_rowbytes; - for (i = 0; i < rpng2_info.width; ++i) { - x = i - hw; - angle = (x == 0)? PI_2 : atan((double)y / (double)x); - gray = (double)MAX(ABS(y), ABS(x)) / grayspot; - gray = MIN(1.0, gray); - dist = (double)((x*x) + (y*y)) / maxDist; - intensity = cos((angle+(rotate*dist*PI)) * freq) * - gray * saturate; - intensity = (MAX(MIN(intensity,1.0),-1.0) + 1.0) * 0.5; - hue = (angle + PI) * INV_PI_360 + aoffset; - s = gray * ((double)(ABS(x)+ABS(y)) / (double)(hw + hh)); - s = MIN(MAX(s,0.0), 1.0); - v = MIN(MAX(intensity,0.0), 1.0); - - if (s == 0.0) { - ch = (uch)(v * 255.0); - *dest++ = ch; - *dest++ = ch; - *dest++ = ch; - } else { - if ((hue < 0.0) || (hue >= 360.0)) - hue -= (((int)(hue / 360.0)) * 360.0); - hue /= 60.0; - ii = (int)hue; - f = hue - (double)ii; - p = (1.0 - s) * v; - q = (1.0 - (s * f)) * v; - t = (1.0 - (s * (1.0 - f))) * v; - if (ii == 0) { red = v; green = t; blue = p; } - else if (ii == 1) { red = q; green = v; blue = p; } - else if (ii == 2) { red = p; green = v; blue = t; } - else if (ii == 3) { red = p; green = q; blue = v; } - else if (ii == 4) { red = t; green = p; blue = v; } - else if (ii == 5) { red = v; green = p; blue = q; } - *dest++ = (uch)(red * 255.0); - *dest++ = (uch)(green * 255.0); - *dest++ = (uch)(blue * 255.0); - } - } - } - fprintf(stderr, "done.\n"); - fflush(stderr); - } - -/*--------------------------------------------------------------------------- - Blast background image to display buffer before beginning PNG decode; - calling function will handle invalidation and UpdateWindow() call. - ---------------------------------------------------------------------------*/ - - for (row = 0; row < rpng2_info.height; ++row) { - src = bg_data + row*bg_rowbytes; - dest = wimage_data + row*wimage_rowbytes; - for (i = rpng2_info.width; i > 0; --i) { - r1 = *src++; - g1 = *src++; - b1 = *src++; - *dest++ = b1; - *dest++ = g1; /* note reverse order */ - *dest++ = r1; - } - } - - return 0; - -} /* end function rpng2_win_load_bg_image() */ - - - - - -static void rpng2_win_display_row(ulg row) -{ - uch bg_red = rpng2_info.bg_red; - uch bg_green = rpng2_info.bg_green; - uch bg_blue = rpng2_info.bg_blue; - uch *src, *src2=NULL, *dest; - uch r, g, b, a; - ulg i; - static int rows=0; - static ulg firstrow; - -/*--------------------------------------------------------------------------- - rows and firstrow simply track how many rows (and which ones) have not - yet been displayed; alternatively, we could call InvalidateRect() for - every row and not bother with the records-keeping. - ---------------------------------------------------------------------------*/ - - Trace((stderr, "beginning rpng2_win_display_row()\n")) - - if (rows == 0) - firstrow = row; /* first row not yet displayed */ - - ++rows; /* count of rows received but not yet displayed */ - -/*--------------------------------------------------------------------------- - Aside from the use of the rpng2_info struct and the lack of an outer - loop (over rows), this routine is identical to rpng_win_display_image() - in the non-progressive version of the program. - ---------------------------------------------------------------------------*/ - - src = rpng2_info.image_data + row*rpng2_info.rowbytes; - if (bg_image) - src2 = bg_data + row*bg_rowbytes; - dest = wimage_data + row*wimage_rowbytes; - - if (rpng2_info.channels == 3) { - for (i = rpng2_info.width; i > 0; --i) { - r = *src++; - g = *src++; - b = *src++; - *dest++ = b; - *dest++ = g; /* note reverse order */ - *dest++ = r; - } - } else /* if (rpng2_info.channels == 4) */ { - for (i = rpng2_info.width; i > 0; --i) { - r = *src++; - g = *src++; - b = *src++; - a = *src++; - if (bg_image) { - bg_red = *src2++; - bg_green = *src2++; - bg_blue = *src2++; - } - if (a == 255) { - *dest++ = b; - *dest++ = g; - *dest++ = r; - } else if (a == 0) { - *dest++ = bg_blue; - *dest++ = bg_green; - *dest++ = bg_red; - } else { - /* this macro (copied from png.h) composites the - * foreground and background values and puts the - * result into the first argument; there are no - * side effects with the first argument */ - alpha_composite(*dest++, b, a, bg_blue); - alpha_composite(*dest++, g, a, bg_green); - alpha_composite(*dest++, r, a, bg_red); - } - } - } - -/*--------------------------------------------------------------------------- - Display after every 16 rows or when on last row. (Region may include - previously displayed lines due to interlacing--i.e., not contiguous.) - ---------------------------------------------------------------------------*/ - - if ((rows & 0xf) == 0 || row == rpng2_info.height-1) { - RECT rect; - - rect.left = 0L; - rect.top = (LONG)firstrow; - rect.right = (LONG)rpng2_info.width; /* possibly off by one? */ - rect.bottom = (LONG)row + 1L; /* possibly off by one? */ - InvalidateRect(global_hwnd, &rect, FALSE); - UpdateWindow(global_hwnd); /* similar to XFlush() */ - rows = 0; - } - -} /* end function rpng2_win_display_row() */ - - - - - -static void rpng2_win_finish_display() -{ - Trace((stderr, "beginning rpng2_win_finish_display()\n")) - - /* last row has already been displayed by rpng2_win_display_row(), so - * we have nothing to do here except set a flag and let the user know - * that the image is done */ - - rpng2_info.state = kDone; - printf( - "Done. Press Q, Esc or mouse button 1 (within image window) to quit.\n"); - fflush(stdout); -} - - - - - -static void rpng2_win_cleanup() -{ - if (bg_image && bg_data) { - free(bg_data); - bg_data = NULL; - } - - if (rpng2_info.image_data) { - free(rpng2_info.image_data); - rpng2_info.image_data = NULL; - } - - if (rpng2_info.row_pointers) { - free(rpng2_info.row_pointers); - rpng2_info.row_pointers = NULL; - } - - if (dib) { - free(dib); - dib = NULL; - } -} - - - - - -LRESULT CALLBACK rpng2_win_wndproc(HWND hwnd, UINT iMsg, WPARAM wP, LPARAM lP) -{ - HDC hdc; - PAINTSTRUCT ps; - int rc; - - switch (iMsg) { - case WM_CREATE: - /* one-time processing here, if any */ - return 0; - - case WM_PAINT: - hdc = BeginPaint(hwnd, &ps); - rc = StretchDIBits(hdc, 0, 0, rpng2_info.width, rpng2_info.height, - 0, 0, rpng2_info.width, rpng2_info.height, - wimage_data, (BITMAPINFO *)bmih, - 0, SRCCOPY); - EndPaint(hwnd, &ps); - return 0; - - /* wait for the user to tell us when to quit */ - case WM_CHAR: - switch (wP) { /* only need one, so ignore repeat count */ - case 'q': - case 'Q': - case 0x1B: /* Esc key */ - PostQuitMessage(0); - } - return 0; - - case WM_LBUTTONDOWN: /* another way of quitting */ - case WM_DESTROY: - PostQuitMessage(0); - return 0; - } - - return DefWindowProc(hwnd, iMsg, wP, lP); -} diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/rpng2-x.c b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/rpng2-x.c deleted file mode 100644 index 873af233543..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/rpng2-x.c +++ /dev/null @@ -1,2127 +0,0 @@ -/*--------------------------------------------------------------------------- - - rpng2 - progressive-model PNG display program rpng2-x.c - - This program decodes and displays PNG files progressively, as if it were - a web browser (though the front end is only set up to read from files). - It supports gamma correction, user-specified background colors, and user- - specified background patterns (for transparent images). This version is - for the X Window System (tested by the author under Unix and by Martin - Zinser under OpenVMS; may work under OS/2 with a little tweaking). - - Thanks to Adam Costello and Pieter S. van der Meulen for the "diamond" - and "radial waves" patterns, respectively. - - to do (someday, maybe): - - fix expose/redraw code: don't draw entire row if only part exposed - - 8-bit (colormapped) X support - - finish resizable checkerboard-gradient (sizes 4-128?) - - use %.1023s to simplify truncation of title-bar string? - - --------------------------------------------------------------------------- - - Changelog: - - 1.01: initial public release - - 1.02: modified to allow abbreviated options; fixed char/uchar mismatch - - 1.10: added support for non-default visuals; fixed X pixel-conversion - - 1.11: added -usleep option for demos; fixed command-line parsing bug - - 1.12: added -pause option for demos and testing - - 1.20: added runtime MMX-enabling/disabling and new -mmx* options - - 1.21: fixed some small X memory leaks (thanks to François Petitjean) - - 1.22: fixed XFreeGC() crash bug (thanks to Patrick Welche) - - 1.23: added -bgpat 0 mode (std white/gray checkerboard, 8x8 squares) - - 1.30: added -loop option for -bgpat (ifdef FEATURE_LOOP); fixed bpp = - 24; added support for X resources (thanks to Gerhard Niklasch) - - 1.31: added code to skip unused chunks (thanks to Glenn Randers-Pehrson) - - 1.32: added AMD64/EM64T support (__x86_64__); added basic expose/redraw - handling - - 2.00: dual-licensed (added GNU GPL) - - 2.01: fixed 64-bit typo in readpng2.c; fixed -pause usage description - - 2.02: fixed improper display of usage screen on PNG error(s); fixed - unexpected-EOF and file-read-error cases; fixed Trace() cut-and- - paste bugs - - --------------------------------------------------------------------------- - - Copyright (c) 1998-2008 Greg Roelofs. All rights reserved. - - This software is provided "as is," without warranty of any kind, - express or implied. In no event shall the author or contributors - be held liable for any damages arising in any way from the use of - this software. - - The contents of this file are DUAL-LICENSED. You may modify and/or - redistribute this software according to the terms of one of the - following two licenses (at your option): - - - LICENSE 1 ("BSD-like with advertising clause"): - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute - it freely, subject to the following restrictions: - - 1. Redistributions of source code must retain the above copyright - notice, disclaimer, and this list of conditions. - 2. Redistributions in binary form must reproduce the above copyright - notice, disclaimer, and this list of conditions in the documenta- - tion and/or other materials provided with the distribution. - 3. All advertising materials mentioning features or use of this - software must display the following acknowledgment: - - This product includes software developed by Greg Roelofs - and contributors for the book, "PNG: The Definitive Guide," - published by O'Reilly and Associates. - - - LICENSE 2 (GNU GPL v2 or later): - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - ---------------------------------------------------------------------------*/ - -#define PROGNAME "rpng2-x" -#define LONGNAME "Progressive PNG Viewer for X" -#define VERSION "2.02 of 16 March 2008" -#define RESNAME "rpng2" /* our X resource application name */ -#define RESCLASS "Rpng" /* our X resource class name */ - -#include -#include -#include -#include -#include /* for jmpbuf declaration in readpng2.h */ -#include -#include /* only for PvdM background code */ -#include -#include -#include -#include /* defines XK_* macros */ - -#ifdef VMS -# include -#endif - -/* all for PvdM background code: */ -#ifndef PI -# define PI 3.141592653589793238 -#endif -#define PI_2 (PI*0.5) -#define INV_PI_360 (360.0 / PI) -#define MAX(a,b) (a>b?a:b) -#define MIN(a,b) (a> 8)) >> 8); \ -} - - -#define INBUFSIZE 4096 /* with pseudo-timing on (1 sec delay/block), this - * block size corresponds roughly to a download - * speed 10% faster than theoretical 33.6K maximum - * (assuming 8 data bits, 1 stop bit and no other - * overhead) */ - -/* local prototypes */ -static void rpng2_x_init (void); -static int rpng2_x_create_window (void); -static int rpng2_x_load_bg_image (void); -static void rpng2_x_display_row (ulg row); -static void rpng2_x_finish_display (void); -static void rpng2_x_redisplay_image (ulg startcol, ulg startrow, - ulg width, ulg height); -#ifdef FEATURE_LOOP -static void rpng2_x_reload_bg_image (void); -static int is_number (char *p); -#endif -static void rpng2_x_cleanup (void); -static int rpng2_x_msb (ulg u32val); - - -static char titlebar[1024], *window_name = titlebar; -static char *appname = LONGNAME; -static char *icon_name = PROGNAME; -static char *res_name = RESNAME; -static char *res_class = RESCLASS; -static char *filename; -static FILE *infile; - -static mainprog_info rpng2_info; - -static uch inbuf[INBUFSIZE]; -static int incount; - -static int pat = 6; /* must be less than num_bgpat */ -static int bg_image = 0; -static int bgscale, bgscale_default = 16; -static ulg bg_rowbytes; -static uch *bg_data; - -int pause_after_pass = FALSE; -int demo_timing = FALSE; -ulg usleep_duration = 0L; - -static struct rgb_color { - uch r, g, b; -} rgb[] = { - { 0, 0, 0}, /* 0: black */ - {255, 255, 255}, /* 1: white */ - {173, 132, 57}, /* 2: tan */ - { 64, 132, 0}, /* 3: medium green */ - {189, 117, 1}, /* 4: gold */ - {253, 249, 1}, /* 5: yellow */ - { 0, 0, 255}, /* 6: blue */ - { 0, 0, 120}, /* 7: medium blue */ - {255, 0, 255}, /* 8: magenta */ - { 64, 0, 64}, /* 9: dark magenta */ - {255, 0, 0}, /* 10: red */ - { 64, 0, 0}, /* 11: dark red */ - {255, 127, 0}, /* 12: orange */ - {192, 96, 0}, /* 13: darker orange */ - { 24, 60, 0}, /* 14: dark green-yellow */ - { 85, 125, 200}, /* 15: ice blue */ - {192, 192, 192} /* 16: Netscape/Mosaic gray */ -}; -/* not used for now, but should be for error-checking: -static int num_rgb = sizeof(rgb) / sizeof(struct rgb_color); - */ - -/* - This whole struct is a fairly cheesy way to keep the number of - command-line options to a minimum. The radial-waves background - type is a particularly poor fit to the integer elements of the - struct...but a few macros and a little fixed-point math will do - wonders for ya. - - type bits: - F E D C B A 9 8 7 6 5 4 3 2 1 0 - | | | | | - | | +-+-+-- 0 = sharp-edged checkerboard - | | 1 = soft diamonds - | | 2 = radial waves - | | 3-7 = undefined - | +-- gradient #2 inverted? - +-- alternating columns inverted? - */ -static struct background_pattern { - ush type; - int rgb1_max, rgb1_min; /* or bg_freq, bg_gray */ - int rgb2_max, rgb2_min; /* or bg_bsat, bg_brot (both scaled by 10)*/ -} bg[] = { - {0, 1,1, 16,16}, /* checkered: white vs. light gray (basic) */ - {0+8, 2,0, 1,15}, /* checkered: tan/black vs. white/ice blue */ - {0+24, 2,0, 1,0}, /* checkered: tan/black vs. white/black */ - {0+8, 4,5, 0,2}, /* checkered: gold/yellow vs. black/tan */ - {0+8, 4,5, 0,6}, /* checkered: gold/yellow vs. black/blue */ - {0, 7,0, 8,9}, /* checkered: deep blue/black vs. magenta */ - {0+8, 13,0, 5,14}, /* checkered: orange/black vs. yellow */ - {0+8, 12,0, 10,11}, /* checkered: orange/black vs. red */ - {1, 7,0, 8,0}, /* diamonds: deep blue/black vs. magenta */ - {1, 12,0, 11,0}, /* diamonds: orange vs. dark red */ - {1, 10,0, 7,0}, /* diamonds: red vs. medium blue */ - {1, 4,0, 5,0}, /* diamonds: gold vs. yellow */ - {1, 3,0, 0,0}, /* diamonds: medium green vs. black */ - {2, 16, 100, 20, 0}, /* radial: ~hard radial color-beams */ - {2, 18, 100, 10, 2}, /* radial: soft, curved radial color-beams */ - {2, 16, 256, 100, 250}, /* radial: very tight spiral */ - {2, 10000, 256, 11, 0} /* radial: dipole-moire' (almost fractal) */ -}; -static int num_bgpat = sizeof(bg) / sizeof(struct background_pattern); - - -/* X-specific variables */ -static char *displayname; -static XImage *ximage; -static Display *display; -static int depth; -static Visual *visual; -static XVisualInfo *visual_list; -static int RShift, GShift, BShift; -static ulg RMask, GMask, BMask; -static Window window; -static GC gc; -static Colormap colormap; - -static int have_nondefault_visual = FALSE; -static int have_colormap = FALSE; -static int have_window = FALSE; -static int have_gc = FALSE; - - - - -int main(int argc, char **argv) -{ -#ifdef sgi - char tmpline[80]; -#endif - char *p, *bgstr = NULL; - int rc, alen, flen; - int error = 0; - int timing = FALSE; - int have_bg = FALSE; -#ifdef FEATURE_LOOP - int loop = FALSE; - long loop_interval = -1; /* seconds (100,000 max) */ -#endif - double LUT_exponent; /* just the lookup table */ - double CRT_exponent = 2.2; /* just the monitor */ - double default_display_exponent; /* whole display system */ - XEvent e; - KeySym k; - - - /* First initialize a few things, just to be sure--memset takes care of - * default background color (black), booleans (FALSE), pointers (NULL), - * etc. */ - - displayname = (char *)NULL; - filename = (char *)NULL; - memset(&rpng2_info, 0, sizeof(mainprog_info)); - - - /* Set the default value for our display-system exponent, i.e., the - * product of the CRT exponent and the exponent corresponding to - * the frame-buffer's lookup table (LUT), if any. This is not an - * exhaustive list of LUT values (e.g., OpenStep has a lot of weird - * ones), but it should cover 99% of the current possibilities. */ - -#if defined(NeXT) - /* third-party utilities can modify the default LUT exponent */ - LUT_exponent = 1.0 / 2.2; - /* - if (some_next_function_that_returns_gamma(&next_gamma)) - LUT_exponent = 1.0 / next_gamma; - */ -#elif defined(sgi) - LUT_exponent = 1.0 / 1.7; - /* there doesn't seem to be any documented function to - * get the "gamma" value, so we do it the hard way */ - infile = fopen("/etc/config/system.glGammaVal", "r"); - if (infile) { - double sgi_gamma; - - fgets(tmpline, 80, infile); - fclose(infile); - sgi_gamma = atof(tmpline); - if (sgi_gamma > 0.0) - LUT_exponent = 1.0 / sgi_gamma; - } -#elif defined(Macintosh) - LUT_exponent = 1.8 / 2.61; - /* - if (some_mac_function_that_returns_gamma(&mac_gamma)) - LUT_exponent = mac_gamma / 2.61; - */ -#else - LUT_exponent = 1.0; /* assume no LUT: most PCs */ -#endif - - /* the defaults above give 1.0, 1.3, 1.5 and 2.2, respectively: */ - default_display_exponent = LUT_exponent * CRT_exponent; - - - /* If the user has set the SCREEN_GAMMA environment variable as suggested - * (somewhat imprecisely) in the libpng documentation, use that; otherwise - * use the default value we just calculated. Either way, the user may - * override this via a command-line option. */ - - if ((p = getenv("SCREEN_GAMMA")) != NULL) - rpng2_info.display_exponent = atof(p); - else - rpng2_info.display_exponent = default_display_exponent; - - - /* Now parse the command line for options and the PNG filename. */ - - while (*++argv && !error) { - if (!strncmp(*argv, "-display", 2)) { - if (!*++argv) - ++error; - else - displayname = *argv; - } else if (!strncmp(*argv, "-gamma", 2)) { - if (!*++argv) - ++error; - else { - rpng2_info.display_exponent = atof(*argv); - if (rpng2_info.display_exponent <= 0.0) - ++error; - } - } else if (!strncmp(*argv, "-bgcolor", 4)) { - if (!*++argv) - ++error; - else { - bgstr = *argv; - if (strlen(bgstr) != 7 || bgstr[0] != '#') - ++error; - else { - have_bg = TRUE; - bg_image = FALSE; - } - } - } else if (!strncmp(*argv, "-bgpat", 4)) { - if (!*++argv) - ++error; - else { - pat = atoi(*argv); - if (pat >= 0 && pat < num_bgpat) { - bg_image = TRUE; - have_bg = FALSE; - } else - ++error; - } - } else if (!strncmp(*argv, "-usleep", 2)) { - if (!*++argv) - ++error; - else { - usleep_duration = (ulg)atol(*argv); - demo_timing = TRUE; - } - } else if (!strncmp(*argv, "-pause", 2)) { - pause_after_pass = TRUE; - } else if (!strncmp(*argv, "-timing", 2)) { - timing = TRUE; -#ifdef FEATURE_LOOP - } else if (!strncmp(*argv, "-loop", 2)) { - loop = TRUE; - if (!argv[1] || !is_number(argv[1])) - loop_interval = 2; - else { - ++argv; - loop_interval = atol(*argv); - if (loop_interval < 0) - loop_interval = 2; - else if (loop_interval > 100000) /* bit more than one day */ - loop_interval = 100000; - } -#endif -#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__)) - } else if (!strncmp(*argv, "-nommxfilters", 7)) { - rpng2_info.nommxfilters = TRUE; - } else if (!strncmp(*argv, "-nommxcombine", 7)) { - rpng2_info.nommxcombine = TRUE; - } else if (!strncmp(*argv, "-nommxinterlace", 7)) { - rpng2_info.nommxinterlace = TRUE; - } else if (!strcmp(*argv, "-nommx")) { - rpng2_info.nommxfilters = TRUE; - rpng2_info.nommxcombine = TRUE; - rpng2_info.nommxinterlace = TRUE; -#endif - } else { - if (**argv != '-') { - filename = *argv; - if (argv[1]) /* shouldn't be any more args after filename */ - ++error; - } else - ++error; /* not expecting any other options */ - } - } - - if (!filename) - ++error; - - - /* print usage screen if any errors up to this point */ - - if (error) { - fprintf(stderr, "\n%s %s: %s\n\n", PROGNAME, VERSION, appname); - readpng2_version_info(); - fprintf(stderr, "\n" - "Usage: %s [-display xdpy] [-gamma exp] [-bgcolor bg | -bgpat pat]\n" -#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__)) - " %*s [[-nommxfilters] [-nommxcombine] [-nommxinterlace] | -nommx]\n" -#endif -#ifdef FEATURE_LOOP - " %*s [-usleep dur | -timing] [-pause] [-loop [sec]] file.png\n\n" -#else - " %*s [-usleep dur | -timing] [-pause] file.png\n\n" -#endif - " xdpy\tname of the target X display (e.g., ``hostname:0'')\n" - " exp \ttransfer-function exponent (``gamma'') of the display\n" - "\t\t system in floating-point format (e.g., ``%.1f''); equal\n" - "\t\t to the product of the lookup-table exponent (varies)\n" - "\t\t and the CRT exponent (usually 2.2); must be positive\n" - " bg \tdesired background color in 7-character hex RGB format\n" - "\t\t (e.g., ``#ff7700'' for orange: same as HTML colors);\n" - "\t\t used with transparent images; overrides -bgpat\n" - " pat \tdesired background pattern number (0-%d); used with\n" - "\t\t transparent images; overrides -bgcolor\n" -#ifdef FEATURE_LOOP - " -loop\tloops through background images after initial display\n" - "\t\t is complete (depends on -bgpat)\n" - " sec \tseconds to display each background image (default = 2)\n" -#endif -#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__)) - " -nommx*\tdisable optimized MMX routines for decoding row filters,\n" - "\t\t combining rows, and expanding interlacing, respectively\n" -#endif - " dur \tduration in microseconds to wait after displaying each\n" - "\t\t row (for demo purposes)\n" - " -timing\tenables delay for every block read, to simulate modem\n" - "\t\t download of image (~36 Kbps)\n" - " -pause\tpauses after displaying each pass until mouse clicked\n" - "\nPress Q, Esc or mouse button 1 (within image window, after image\n" - "is displayed) to quit.\n" - "\n", PROGNAME, -#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__)) - (int)strlen(PROGNAME), " ", -#endif - (int)strlen(PROGNAME), " ", default_display_exponent, num_bgpat-1); - exit(1); - } - - - if (!(infile = fopen(filename, "rb"))) { - fprintf(stderr, PROGNAME ": can't open PNG file [%s]\n", filename); - ++error; - } else { - incount = fread(inbuf, 1, INBUFSIZE, infile); - if (incount < 8 || !readpng2_check_sig(inbuf, 8)) { - fprintf(stderr, PROGNAME - ": [%s] is not a PNG file: incorrect signature\n", - filename); - ++error; - } else if ((rc = readpng2_init(&rpng2_info)) != 0) { - switch (rc) { - case 2: - fprintf(stderr, PROGNAME - ": [%s] has bad IHDR (libpng longjmp)\n", filename); - break; - case 4: - fprintf(stderr, PROGNAME ": insufficient memory\n"); - break; - default: - fprintf(stderr, PROGNAME - ": unknown readpng2_init() error\n"); - break; - } - ++error; - } else { - Trace((stderr, "about to call XOpenDisplay()\n")) - display = XOpenDisplay(displayname); - if (!display) { - readpng2_cleanup(&rpng2_info); - fprintf(stderr, PROGNAME ": can't open X display [%s]\n", - displayname? displayname : "default"); - ++error; - } - } - if (error) - fclose(infile); - } - - - if (error) { - fprintf(stderr, PROGNAME ": aborting.\n"); - exit(2); - } - - - /* set the title-bar string, but make sure buffer doesn't overflow */ - - alen = strlen(appname); - flen = strlen(filename); - if (alen + flen + 3 > 1023) - sprintf(titlebar, "%s: ...%s", appname, filename+(alen+flen+6-1023)); - else - sprintf(titlebar, "%s: %s", appname, filename); - - - /* set some final rpng2_info variables before entering main data loop */ - - if (have_bg) { - unsigned r, g, b; /* this approach quiets compiler warnings */ - - sscanf(bgstr+1, "%2x%2x%2x", &r, &g, &b); - rpng2_info.bg_red = (uch)r; - rpng2_info.bg_green = (uch)g; - rpng2_info.bg_blue = (uch)b; - } else - rpng2_info.need_bgcolor = TRUE; - - rpng2_info.state = kPreInit; - rpng2_info.mainprog_init = rpng2_x_init; - rpng2_info.mainprog_display_row = rpng2_x_display_row; - rpng2_info.mainprog_finish_display = rpng2_x_finish_display; - - - /* OK, this is the fun part: call readpng2_decode_data() at the start of - * the loop to deal with our first buffer of data (read in above to verify - * that the file is a PNG image), then loop through the file and continue - * calling the same routine to handle each chunk of data. It in turn - * passes the data to libpng, which will invoke one or more of our call- - * backs as decoded data become available. We optionally call sleep() for - * one second per iteration to simulate downloading the image via an analog - * modem. */ - - for (;;) { - Trace((stderr, "about to call readpng2_decode_data()\n")) - if (readpng2_decode_data(&rpng2_info, inbuf, incount)) - ++error; - Trace((stderr, "done with readpng2_decode_data()\n")) - - if (error || incount != INBUFSIZE || rpng2_info.state == kDone) { - if (rpng2_info.state == kDone) { - Trace((stderr, "done decoding PNG image\n")) - } else if (ferror(infile)) { - fprintf(stderr, PROGNAME - ": error while reading PNG image file\n"); - exit(3); - } else if (feof(infile)) { - fprintf(stderr, PROGNAME ": end of file reached " - "(unexpectedly) while reading PNG image file\n"); - exit(3); - } else /* if (error) */ { - // will print error message below - } - break; - } - - if (timing) - sleep(1); - - incount = fread(inbuf, 1, INBUFSIZE, infile); - } - - - /* clean up PNG stuff and report any decoding errors */ - - fclose(infile); - Trace((stderr, "about to call readpng2_cleanup()\n")) - readpng2_cleanup(&rpng2_info); - - if (error) { - fprintf(stderr, PROGNAME ": libpng error while decoding PNG image\n"); - exit(3); - } - - -#ifdef FEATURE_LOOP - - if (loop && bg_image) { - Trace((stderr, "entering -loop loop (FEATURE_LOOP)\n")) - for (;;) { - int i, use_sleep; - struct timeval now, then; - - /* get current time and add loop_interval to get target time */ - if (gettimeofday(&then, NULL) == 0) { - then.tv_sec += loop_interval; - use_sleep = FALSE; - } else - use_sleep = TRUE; - - /* do quick check for a quit event but don't wait for it */ - /* GRR BUG: should also check for Expose events and redraw... */ - if (XCheckMaskEvent(display, KeyPressMask | ButtonPressMask, &e)) - if (QUIT(e,k)) - break; - - /* generate next background image */ - if (++pat >= num_bgpat) - pat = 0; - rpng2_x_reload_bg_image(); - - /* wait for timeout, using whatever means are available */ - if (use_sleep || gettimeofday(&now, NULL) != 0) { - for (i = loop_interval; i > 0; --i) { - sleep(1); - /* GRR BUG: also need to check for Expose (and redraw!) */ - if (XCheckMaskEvent(display, KeyPressMask | ButtonPressMask, - &e) && QUIT(e,k)) - break; - } - } else { - /* Y2038 BUG! */ - if (now.tv_sec < then.tv_sec || - (now.tv_sec == then.tv_sec && now.tv_usec < then.tv_usec)) - { - int quit = FALSE; - long seconds_to_go = then.tv_sec - now.tv_sec; - long usleep_usec; - - /* basically chew up most of remaining loop-interval with - * calls to sleep(1) interleaved with checks for quit - * events, but also recalc time-to-go periodically; when - * done, clean up any remaining time with usleep() call - * (could also use SIGALRM, but signals are a pain...) */ - while (seconds_to_go-- > 1) { - int seconds_done = 0; - - for (i = seconds_to_go; i > 0 && !quit; --i) { - sleep(1); - /* GRR BUG: need to check for Expose and redraw */ - if (XCheckMaskEvent(display, KeyPressMask | - ButtonPressMask, &e) && QUIT(e,k)) - quit = TRUE; - if (++seconds_done > 1000) - break; /* time to redo seconds_to_go meas. */ - } - if (quit) - break; - - /* OK, more than 1000 seconds since last check: - * correct the time-to-go measurement for drift */ - if (gettimeofday(&now, NULL) == 0) { - if (now.tv_sec >= then.tv_sec) - break; - seconds_to_go = then.tv_sec - now.tv_sec; - } else - ++seconds_to_go; /* restore what we subtracted */ - } - if (quit) - break; /* breaks outer do-loop, skips redisplay */ - - /* since difference between "now" and "then" is already - * eaten up to within a couple of seconds, don't need to - * worry about overflow--but might have overshot (neg.) */ - if (gettimeofday(&now, NULL) == 0) { - usleep_usec = 1000000L*(then.tv_sec - now.tv_sec) + - then.tv_usec - now.tv_usec; - if (usleep_usec > 0) - usleep((ulg)usleep_usec); - } - } - } - - /* composite image against new background and display (note that - * we do not take into account the time spent doing this...) */ - rpng2_x_redisplay_image (0, 0, rpng2_info.width, rpng2_info.height); - } - - } else /* FALL THROUGH and do the normal thing */ - -#endif /* FEATURE_LOOP */ - - /* wait for the user to tell us when to quit */ - - if (rpng2_info.state >= kWindowInit) { - Trace((stderr, "entering final wait-for-quit-event loop\n")) - do { - XNextEvent(display, &e); - if (e.type == Expose) { - XExposeEvent *ex = (XExposeEvent *)&e; - rpng2_x_redisplay_image (ex->x, ex->y, ex->width, ex->height); - } - } while (!QUIT(e,k)); - } else { - fprintf(stderr, PROGNAME ": init callback never called: probable " - "libpng error while decoding PNG metadata\n"); - exit(4); - } - - - /* we're done: clean up all image and X resources and go away */ - - Trace((stderr, "about to call rpng2_x_cleanup()\n")) - rpng2_x_cleanup(); - - return 0; -} - - - - - -/* this function is called by readpng2_info_callback() in readpng2.c, which - * in turn is called by libpng after all of the pre-IDAT chunks have been - * read and processed--i.e., we now have enough info to finish initializing */ - -static void rpng2_x_init(void) -{ - ulg i; - ulg rowbytes = rpng2_info.rowbytes; - - Trace((stderr, "beginning rpng2_x_init()\n")) - Trace((stderr, " rowbytes = %d\n", rpng2_info.rowbytes)) - Trace((stderr, " width = %ld\n", rpng2_info.width)) - Trace((stderr, " height = %ld\n", rpng2_info.height)) - - rpng2_info.image_data = (uch *)malloc(rowbytes * rpng2_info.height); - if (!rpng2_info.image_data) { - readpng2_cleanup(&rpng2_info); - return; - } - - rpng2_info.row_pointers = (uch **)malloc(rpng2_info.height * sizeof(uch *)); - if (!rpng2_info.row_pointers) { - free(rpng2_info.image_data); - rpng2_info.image_data = NULL; - readpng2_cleanup(&rpng2_info); - return; - } - - for (i = 0; i < rpng2_info.height; ++i) - rpng2_info.row_pointers[i] = rpng2_info.image_data + i*rowbytes; - - - /* do the basic X initialization stuff, make the window, and fill it with - * the user-specified, file-specified or default background color or - * pattern */ - - if (rpng2_x_create_window()) { - - /* GRR TEMPORARY HACK: this is fundamentally no different from cases - * above; libpng should longjmp() back to us when png_ptr goes away. - * If we/it segfault instead, seems like a libpng bug... */ - - /* we're here via libpng callback, so if window fails, clean and bail */ - readpng2_cleanup(&rpng2_info); - rpng2_x_cleanup(); - exit(2); - } - - rpng2_info.state = kWindowInit; -} - - - - - -static int rpng2_x_create_window(void) -{ - ulg bg_red = rpng2_info.bg_red; - ulg bg_green = rpng2_info.bg_green; - ulg bg_blue = rpng2_info.bg_blue; - ulg bg_pixel = 0L; - ulg attrmask; - int need_colormap = FALSE; - int screen, pad; - uch *xdata; - Window root; - XEvent e; - XGCValues gcvalues; - XSetWindowAttributes attr; - XTextProperty windowName, *pWindowName = &windowName; - XTextProperty iconName, *pIconName = &iconName; - XVisualInfo visual_info; - XSizeHints *size_hints; - XWMHints *wm_hints; - XClassHint *class_hints; - - - Trace((stderr, "beginning rpng2_x_create_window()\n")) - - screen = DefaultScreen(display); - depth = DisplayPlanes(display, screen); - root = RootWindow(display, screen); - -#ifdef DEBUG - XSynchronize(display, True); -#endif - - if (depth != 16 && depth != 24 && depth != 32) { - int visuals_matched = 0; - - Trace((stderr, "default depth is %d: checking other visuals\n", - depth)) - - /* 24-bit first */ - visual_info.screen = screen; - visual_info.depth = 24; - visual_list = XGetVisualInfo(display, - VisualScreenMask | VisualDepthMask, &visual_info, &visuals_matched); - if (visuals_matched == 0) { -/* GRR: add 15-, 16- and 32-bit TrueColor visuals (also DirectColor?) */ - fprintf(stderr, "default screen depth %d not supported, and no" - " 24-bit visuals found\n", depth); - return 2; - } - Trace((stderr, "XGetVisualInfo() returned %d 24-bit visuals\n", - visuals_matched)) - visual = visual_list[0].visual; - depth = visual_list[0].depth; -/* - colormap_size = visual_list[0].colormap_size; - visual_class = visual->class; - visualID = XVisualIDFromVisual(visual); - */ - have_nondefault_visual = TRUE; - need_colormap = TRUE; - } else { - XMatchVisualInfo(display, screen, depth, TrueColor, &visual_info); - visual = visual_info.visual; - } - - RMask = visual->red_mask; - GMask = visual->green_mask; - BMask = visual->blue_mask; - -/* GRR: add/check 8-bit support */ - if (depth == 8 || need_colormap) { - colormap = XCreateColormap(display, root, visual, AllocNone); - if (!colormap) { - fprintf(stderr, "XCreateColormap() failed\n"); - return 2; - } - have_colormap = TRUE; - if (depth == 8) - bg_image = FALSE; /* gradient just wastes palette entries */ - } - if (depth == 15 || depth == 16) { - RShift = 15 - rpng2_x_msb(RMask); /* these are right-shifts */ - GShift = 15 - rpng2_x_msb(GMask); - BShift = 15 - rpng2_x_msb(BMask); - } else if (depth > 16) { - RShift = rpng2_x_msb(RMask) - 7; /* these are left-shifts */ - GShift = rpng2_x_msb(GMask) - 7; - BShift = rpng2_x_msb(BMask) - 7; - } - if (depth >= 15 && (RShift < 0 || GShift < 0 || BShift < 0)) { - fprintf(stderr, "rpng2 internal logic error: negative X shift(s)!\n"); - return 2; - } - -/*--------------------------------------------------------------------------- - Finally, create the window. - ---------------------------------------------------------------------------*/ - - attr.backing_store = Always; - attr.event_mask = ExposureMask | KeyPressMask | ButtonPressMask; - attrmask = CWBackingStore | CWEventMask; - if (have_nondefault_visual) { - attr.colormap = colormap; - attr.background_pixel = 0; - attr.border_pixel = 1; - attrmask |= CWColormap | CWBackPixel | CWBorderPixel; - } - - window = XCreateWindow(display, root, 0, 0, rpng2_info.width, - rpng2_info.height, 0, depth, InputOutput, visual, attrmask, &attr); - - if (window == None) { - fprintf(stderr, "XCreateWindow() failed\n"); - return 2; - } else - have_window = TRUE; - - if (depth == 8) - XSetWindowColormap(display, window, colormap); - - if (!XStringListToTextProperty(&window_name, 1, pWindowName)) - pWindowName = NULL; - if (!XStringListToTextProperty(&icon_name, 1, pIconName)) - pIconName = NULL; - - /* OK if either hints allocation fails; XSetWMProperties() allows NULLs */ - - if ((size_hints = XAllocSizeHints()) != NULL) { - /* window will not be resizable */ - size_hints->flags = PMinSize | PMaxSize; - size_hints->min_width = size_hints->max_width = (int)rpng2_info.width; - size_hints->min_height = size_hints->max_height = - (int)rpng2_info.height; - } - - if ((wm_hints = XAllocWMHints()) != NULL) { - wm_hints->initial_state = NormalState; - wm_hints->input = True; - /* wm_hints->icon_pixmap = icon_pixmap; */ - wm_hints->flags = StateHint | InputHint /* | IconPixmapHint */ ; - } - - if ((class_hints = XAllocClassHint()) != NULL) { - class_hints->res_name = res_name; - class_hints->res_class = res_class; - } - - XSetWMProperties(display, window, pWindowName, pIconName, NULL, 0, - size_hints, wm_hints, class_hints); - - /* various properties and hints no longer needed; free memory */ - if (pWindowName) - XFree(pWindowName->value); - if (pIconName) - XFree(pIconName->value); - if (size_hints) - XFree(size_hints); - if (wm_hints) - XFree(wm_hints); - if (class_hints) - XFree(class_hints); - - XMapWindow(display, window); - - gc = XCreateGC(display, window, 0, &gcvalues); - have_gc = TRUE; - -/*--------------------------------------------------------------------------- - Allocate memory for the X- and display-specific version of the image. - ---------------------------------------------------------------------------*/ - - if (depth == 24 || depth == 32) { - xdata = (uch *)malloc(4*rpng2_info.width*rpng2_info.height); - pad = 32; - } else if (depth == 16) { - xdata = (uch *)malloc(2*rpng2_info.width*rpng2_info.height); - pad = 16; - } else /* depth == 8 */ { - xdata = (uch *)malloc(rpng2_info.width*rpng2_info.height); - pad = 8; - } - - if (!xdata) { - fprintf(stderr, PROGNAME ": unable to allocate image memory\n"); - return 4; - } - - ximage = XCreateImage(display, visual, depth, ZPixmap, 0, - (char *)xdata, rpng2_info.width, rpng2_info.height, pad, 0); - - if (!ximage) { - fprintf(stderr, PROGNAME ": XCreateImage() failed\n"); - free(xdata); - return 3; - } - - /* to avoid testing the byte order every pixel (or doubling the size of - * the drawing routine with a giant if-test), we arbitrarily set the byte - * order to MSBFirst and let Xlib worry about inverting things on little- - * endian machines (e.g., Linux/x86, old VAXen, etc.)--this is not the - * most efficient approach (the giant if-test would be better), but in - * the interest of clarity, we'll take the easy way out... */ - - ximage->byte_order = MSBFirst; - -/*--------------------------------------------------------------------------- - Fill window with the specified background color (default is black) or - faked "background image" (but latter is disabled if 8-bit; gradients - just waste palette entries). - ---------------------------------------------------------------------------*/ - - if (bg_image) - rpng2_x_load_bg_image(); /* resets bg_image if fails */ - - if (!bg_image) { - if (depth == 24 || depth == 32) { - bg_pixel = (bg_red << RShift) | - (bg_green << GShift) | - (bg_blue << BShift); - } else if (depth == 16) { - bg_pixel = (((bg_red << 8) >> RShift) & RMask) | - (((bg_green << 8) >> GShift) & GMask) | - (((bg_blue << 8) >> BShift) & BMask); - } else /* depth == 8 */ { - - /* GRR: add 8-bit support */ - - } - XSetForeground(display, gc, bg_pixel); - XFillRectangle(display, window, gc, 0, 0, rpng2_info.width, - rpng2_info.height); - } - -/*--------------------------------------------------------------------------- - Wait for first Expose event to do any drawing, then flush and return. - ---------------------------------------------------------------------------*/ - - do - XNextEvent(display, &e); - while (e.type != Expose || e.xexpose.count); - - XFlush(display); - - return 0; - -} /* end function rpng2_x_create_window() */ - - - - - -static int rpng2_x_load_bg_image(void) -{ - uch *src; - char *dest; - uch r1, r2, g1, g2, b1, b2; - uch r1_inv, r2_inv, g1_inv, g2_inv, b1_inv, b2_inv; - int k, hmax, max; - int xidx, yidx, yidx_max; - int even_odd_vert, even_odd_horiz, even_odd; - int invert_gradient2 = (bg[pat].type & 0x08); - int invert_column; - int ximage_rowbytes = ximage->bytes_per_line; - ulg i, row; - ulg pixel; - -/*--------------------------------------------------------------------------- - Allocate buffer for fake background image to be used with transparent - images; if this fails, revert to plain background color. - ---------------------------------------------------------------------------*/ - - bg_rowbytes = 3 * rpng2_info.width; - bg_data = (uch *)malloc(bg_rowbytes * rpng2_info.height); - if (!bg_data) { - fprintf(stderr, PROGNAME - ": unable to allocate memory for background image\n"); - bg_image = 0; - return 1; - } - - bgscale = (pat == 0)? 8 : bgscale_default; - yidx_max = bgscale - 1; - -/*--------------------------------------------------------------------------- - Vertical gradients (ramps) in NxN squares, alternating direction and - colors (N == bgscale). - ---------------------------------------------------------------------------*/ - - if ((bg[pat].type & 0x07) == 0) { - uch r1_min = rgb[bg[pat].rgb1_min].r; - uch g1_min = rgb[bg[pat].rgb1_min].g; - uch b1_min = rgb[bg[pat].rgb1_min].b; - uch r2_min = rgb[bg[pat].rgb2_min].r; - uch g2_min = rgb[bg[pat].rgb2_min].g; - uch b2_min = rgb[bg[pat].rgb2_min].b; - int r1_diff = rgb[bg[pat].rgb1_max].r - r1_min; - int g1_diff = rgb[bg[pat].rgb1_max].g - g1_min; - int b1_diff = rgb[bg[pat].rgb1_max].b - b1_min; - int r2_diff = rgb[bg[pat].rgb2_max].r - r2_min; - int g2_diff = rgb[bg[pat].rgb2_max].g - g2_min; - int b2_diff = rgb[bg[pat].rgb2_max].b - b2_min; - - for (row = 0; row < rpng2_info.height; ++row) { - yidx = (int)(row % bgscale); - even_odd_vert = (int)((row / bgscale) & 1); - - r1 = r1_min + (r1_diff * yidx) / yidx_max; - g1 = g1_min + (g1_diff * yidx) / yidx_max; - b1 = b1_min + (b1_diff * yidx) / yidx_max; - r1_inv = r1_min + (r1_diff * (yidx_max-yidx)) / yidx_max; - g1_inv = g1_min + (g1_diff * (yidx_max-yidx)) / yidx_max; - b1_inv = b1_min + (b1_diff * (yidx_max-yidx)) / yidx_max; - - r2 = r2_min + (r2_diff * yidx) / yidx_max; - g2 = g2_min + (g2_diff * yidx) / yidx_max; - b2 = b2_min + (b2_diff * yidx) / yidx_max; - r2_inv = r2_min + (r2_diff * (yidx_max-yidx)) / yidx_max; - g2_inv = g2_min + (g2_diff * (yidx_max-yidx)) / yidx_max; - b2_inv = b2_min + (b2_diff * (yidx_max-yidx)) / yidx_max; - - dest = (char *)bg_data + row*bg_rowbytes; - for (i = 0; i < rpng2_info.width; ++i) { - even_odd_horiz = (int)((i / bgscale) & 1); - even_odd = even_odd_vert ^ even_odd_horiz; - invert_column = - (even_odd_horiz && (bg[pat].type & 0x10)); - if (even_odd == 0) { /* gradient #1 */ - if (invert_column) { - *dest++ = r1_inv; - *dest++ = g1_inv; - *dest++ = b1_inv; - } else { - *dest++ = r1; - *dest++ = g1; - *dest++ = b1; - } - } else { /* gradient #2 */ - if ((invert_column && invert_gradient2) || - (!invert_column && !invert_gradient2)) - { - *dest++ = r2; /* not inverted or */ - *dest++ = g2; /* doubly inverted */ - *dest++ = b2; - } else { - *dest++ = r2_inv; - *dest++ = g2_inv; /* singly inverted */ - *dest++ = b2_inv; - } - } - } - } - -/*--------------------------------------------------------------------------- - Soft gradient-diamonds with scale = bgscale. Code contributed by Adam - M. Costello. - ---------------------------------------------------------------------------*/ - - } else if ((bg[pat].type & 0x07) == 1) { - - hmax = (bgscale-1)/2; /* half the max weight of a color */ - max = 2*hmax; /* the max weight of a color */ - - r1 = rgb[bg[pat].rgb1_max].r; - g1 = rgb[bg[pat].rgb1_max].g; - b1 = rgb[bg[pat].rgb1_max].b; - r2 = rgb[bg[pat].rgb2_max].r; - g2 = rgb[bg[pat].rgb2_max].g; - b2 = rgb[bg[pat].rgb2_max].b; - - for (row = 0; row < rpng2_info.height; ++row) { - yidx = (int)(row % bgscale); - if (yidx > hmax) - yidx = bgscale-1 - yidx; - dest = (char *)bg_data + row*bg_rowbytes; - for (i = 0; i < rpng2_info.width; ++i) { - xidx = (int)(i % bgscale); - if (xidx > hmax) - xidx = bgscale-1 - xidx; - k = xidx + yidx; - *dest++ = (k*r1 + (max-k)*r2) / max; - *dest++ = (k*g1 + (max-k)*g2) / max; - *dest++ = (k*b1 + (max-k)*b2) / max; - } - } - -/*--------------------------------------------------------------------------- - Radial "starburst" with azimuthal sinusoids; [eventually number of sinu- - soids will equal bgscale?]. This one is slow but very cool. Code con- - tributed by Pieter S. van der Meulen (originally in Smalltalk). - ---------------------------------------------------------------------------*/ - - } else if ((bg[pat].type & 0x07) == 2) { - uch ch; - int ii, x, y, hw, hh, grayspot; - double freq, rotate, saturate, gray, intensity; - double angle=0.0, aoffset=0.0, maxDist, dist; - double red=0.0, green=0.0, blue=0.0, hue, s, v, f, p, q, t; - - fprintf(stderr, "%s: computing radial background...", - PROGNAME); - fflush(stderr); - - hh = (int)(rpng2_info.height / 2); - hw = (int)(rpng2_info.width / 2); - - /* variables for radial waves: - * aoffset: number of degrees to rotate hue [CURRENTLY NOT USED] - * freq: number of color beams originating from the center - * grayspot: size of the graying center area (anti-alias) - * rotate: rotation of the beams as a function of radius - * saturate: saturation of beams' shape azimuthally - */ - angle = CLIP(angle, 0.0, 360.0); - grayspot = CLIP(bg[pat].bg_gray, 1, (hh + hw)); - freq = MAX((double)bg[pat].bg_freq, 0.0); - saturate = (double)bg[pat].bg_bsat * 0.1; - rotate = (double)bg[pat].bg_brot * 0.1; - gray = 0.0; - intensity = 0.0; - maxDist = (double)((hw*hw) + (hh*hh)); - - for (row = 0; row < rpng2_info.height; ++row) { - y = (int)(row - hh); - dest = (char *)bg_data + row*bg_rowbytes; - for (i = 0; i < rpng2_info.width; ++i) { - x = (int)(i - hw); - angle = (x == 0)? PI_2 : atan((double)y / (double)x); - gray = (double)MAX(ABS(y), ABS(x)) / grayspot; - gray = MIN(1.0, gray); - dist = (double)((x*x) + (y*y)) / maxDist; - intensity = cos((angle+(rotate*dist*PI)) * freq) * - gray * saturate; - intensity = (MAX(MIN(intensity,1.0),-1.0) + 1.0) * 0.5; - hue = (angle + PI) * INV_PI_360 + aoffset; - s = gray * ((double)(ABS(x)+ABS(y)) / (double)(hw + hh)); - s = MIN(MAX(s,0.0), 1.0); - v = MIN(MAX(intensity,0.0), 1.0); - - if (s == 0.0) { - ch = (uch)(v * 255.0); - *dest++ = ch; - *dest++ = ch; - *dest++ = ch; - } else { - if ((hue < 0.0) || (hue >= 360.0)) - hue -= (((int)(hue / 360.0)) * 360.0); - hue /= 60.0; - ii = (int)hue; - f = hue - (double)ii; - p = (1.0 - s) * v; - q = (1.0 - (s * f)) * v; - t = (1.0 - (s * (1.0 - f))) * v; - if (ii == 0) { red = v; green = t; blue = p; } - else if (ii == 1) { red = q; green = v; blue = p; } - else if (ii == 2) { red = p; green = v; blue = t; } - else if (ii == 3) { red = p; green = q; blue = v; } - else if (ii == 4) { red = t; green = p; blue = v; } - else if (ii == 5) { red = v; green = p; blue = q; } - *dest++ = (uch)(red * 255.0); - *dest++ = (uch)(green * 255.0); - *dest++ = (uch)(blue * 255.0); - } - } - } - fprintf(stderr, "done.\n"); - fflush(stderr); - } - -/*--------------------------------------------------------------------------- - Blast background image to display buffer before beginning PNG decode. - ---------------------------------------------------------------------------*/ - - if (depth == 24 || depth == 32) { - ulg red, green, blue; - int bpp = ximage->bits_per_pixel; - - for (row = 0; row < rpng2_info.height; ++row) { - src = bg_data + row*bg_rowbytes; - dest = ximage->data + row*ximage_rowbytes; - if (bpp == 32) { /* slightly optimized version */ - for (i = rpng2_info.width; i > 0; --i) { - red = *src++; - green = *src++; - blue = *src++; - pixel = (red << RShift) | - (green << GShift) | - (blue << BShift); - /* recall that we set ximage->byte_order = MSBFirst above */ - *dest++ = (char)((pixel >> 24) & 0xff); - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } - } else { - for (i = rpng2_info.width; i > 0; --i) { - red = *src++; - green = *src++; - blue = *src++; - pixel = (red << RShift) | - (green << GShift) | - (blue << BShift); - /* recall that we set ximage->byte_order = MSBFirst above */ - /* GRR BUG? this assumes bpp == 24 & bits are packed low */ - /* (probably need to use RShift, RMask, etc.) */ - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } - } - } - - } else if (depth == 16) { - ush red, green, blue; - - for (row = 0; row < rpng2_info.height; ++row) { - src = bg_data + row*bg_rowbytes; - dest = ximage->data + row*ximage_rowbytes; - for (i = rpng2_info.width; i > 0; --i) { - red = ((ush)(*src) << 8); ++src; - green = ((ush)(*src) << 8); ++src; - blue = ((ush)(*src) << 8); ++src; - pixel = ((red >> RShift) & RMask) | - ((green >> GShift) & GMask) | - ((blue >> BShift) & BMask); - /* recall that we set ximage->byte_order = MSBFirst above */ - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } - } - - } else /* depth == 8 */ { - - /* GRR: add 8-bit support */ - - } - - XPutImage(display, window, gc, ximage, 0, 0, 0, 0, rpng2_info.width, - rpng2_info.height); - - return 0; - -} /* end function rpng2_x_load_bg_image() */ - - - - - -static void rpng2_x_display_row(ulg row) -{ - uch bg_red = rpng2_info.bg_red; - uch bg_green = rpng2_info.bg_green; - uch bg_blue = rpng2_info.bg_blue; - uch *src, *src2=NULL; - char *dest; - uch r, g, b, a; - int ximage_rowbytes = ximage->bytes_per_line; - ulg i, pixel; - static int rows=0, prevpass=(-1); - static ulg firstrow; - -/*--------------------------------------------------------------------------- - rows and firstrow simply track how many rows (and which ones) have not - yet been displayed; alternatively, we could call XPutImage() for every - row and not bother with the records-keeping. - ---------------------------------------------------------------------------*/ - - Trace((stderr, "beginning rpng2_x_display_row()\n")) - - if (rpng2_info.pass != prevpass) { - if (pause_after_pass && rpng2_info.pass > 0) { - XEvent e; - KeySym k; - - fprintf(stderr, - "%s: end of pass %d of 7; click in image window to continue\n", - PROGNAME, prevpass + 1); - do - XNextEvent(display, &e); - while (!QUIT(e,k)); - } - fprintf(stderr, "%s: pass %d of 7\r", PROGNAME, rpng2_info.pass + 1); - fflush(stderr); - prevpass = rpng2_info.pass; - } - - if (rows == 0) - firstrow = row; /* first row that is not yet displayed */ - - ++rows; /* count of rows received but not yet displayed */ - -/*--------------------------------------------------------------------------- - Aside from the use of the rpng2_info struct, the lack of an outer loop - (over rows) and moving the XPutImage() call outside the "if (depth)" - tests, this routine is identical to rpng_x_display_image() in the non- - progressive version of the program. - ---------------------------------------------------------------------------*/ - - if (depth == 24 || depth == 32) { - ulg red, green, blue; - int bpp = ximage->bits_per_pixel; - - src = rpng2_info.image_data + row*rpng2_info.rowbytes; - if (bg_image) - src2 = bg_data + row*bg_rowbytes; - dest = ximage->data + row*ximage_rowbytes; - if (rpng2_info.channels == 3) { - for (i = rpng2_info.width; i > 0; --i) { - red = *src++; - green = *src++; - blue = *src++; - pixel = (red << RShift) | - (green << GShift) | - (blue << BShift); - /* recall that we set ximage->byte_order = MSBFirst above */ - if (bpp == 32) { - *dest++ = (char)((pixel >> 24) & 0xff); - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } else { - /* GRR BUG? this assumes bpp == 24 & bits are packed low */ - /* (probably need to use RShift, RMask, etc.) */ - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } - } - } else /* if (rpng2_info.channels == 4) */ { - for (i = rpng2_info.width; i > 0; --i) { - r = *src++; - g = *src++; - b = *src++; - a = *src++; - if (bg_image) { - bg_red = *src2++; - bg_green = *src2++; - bg_blue = *src2++; - } - if (a == 255) { - red = r; - green = g; - blue = b; - } else if (a == 0) { - red = bg_red; - green = bg_green; - blue = bg_blue; - } else { - /* this macro (from png.h) composites the foreground - * and background values and puts the result into the - * first argument */ - alpha_composite(red, r, a, bg_red); - alpha_composite(green, g, a, bg_green); - alpha_composite(blue, b, a, bg_blue); - } - pixel = (red << RShift) | - (green << GShift) | - (blue << BShift); - /* recall that we set ximage->byte_order = MSBFirst above */ - if (bpp == 32) { - *dest++ = (char)((pixel >> 24) & 0xff); - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } else { - /* GRR BUG? this assumes bpp == 24 & bits are packed low */ - /* (probably need to use RShift, RMask, etc.) */ - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } - } - } - - } else if (depth == 16) { - ush red, green, blue; - - src = rpng2_info.row_pointers[row]; - if (bg_image) - src2 = bg_data + row*bg_rowbytes; - dest = ximage->data + row*ximage_rowbytes; - if (rpng2_info.channels == 3) { - for (i = rpng2_info.width; i > 0; --i) { - red = ((ush)(*src) << 8); - ++src; - green = ((ush)(*src) << 8); - ++src; - blue = ((ush)(*src) << 8); - ++src; - pixel = ((red >> RShift) & RMask) | - ((green >> GShift) & GMask) | - ((blue >> BShift) & BMask); - /* recall that we set ximage->byte_order = MSBFirst above */ - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } - } else /* if (rpng2_info.channels == 4) */ { - for (i = rpng2_info.width; i > 0; --i) { - r = *src++; - g = *src++; - b = *src++; - a = *src++; - if (bg_image) { - bg_red = *src2++; - bg_green = *src2++; - bg_blue = *src2++; - } - if (a == 255) { - red = ((ush)r << 8); - green = ((ush)g << 8); - blue = ((ush)b << 8); - } else if (a == 0) { - red = ((ush)bg_red << 8); - green = ((ush)bg_green << 8); - blue = ((ush)bg_blue << 8); - } else { - /* this macro (from png.h) composites the foreground - * and background values and puts the result back into - * the first argument (== fg byte here: safe) */ - alpha_composite(r, r, a, bg_red); - alpha_composite(g, g, a, bg_green); - alpha_composite(b, b, a, bg_blue); - red = ((ush)r << 8); - green = ((ush)g << 8); - blue = ((ush)b << 8); - } - pixel = ((red >> RShift) & RMask) | - ((green >> GShift) & GMask) | - ((blue >> BShift) & BMask); - /* recall that we set ximage->byte_order = MSBFirst above */ - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } - } - - } else /* depth == 8 */ { - - /* GRR: add 8-bit support */ - - } - - -/*--------------------------------------------------------------------------- - Display after every 16 rows or when on one of last two rows. (Region - may include previously displayed lines due to interlacing--i.e., not - contiguous. Also, second-to-last row is final one in interlaced images - with odd number of rows.) For demos, flush (and delay) after every 16th - row so "sparse" passes don't go twice as fast. - ---------------------------------------------------------------------------*/ - - if (demo_timing && (row - firstrow >= 16 || row >= rpng2_info.height-2)) { - XPutImage(display, window, gc, ximage, 0, (int)firstrow, 0, - (int)firstrow, rpng2_info.width, row - firstrow + 1); - XFlush(display); - rows = 0; - usleep(usleep_duration); - } else - if (!demo_timing && ((rows & 0xf) == 0 || row >= rpng2_info.height-2)) { - XPutImage(display, window, gc, ximage, 0, (int)firstrow, 0, - (int)firstrow, rpng2_info.width, row - firstrow + 1); - XFlush(display); - rows = 0; - } - -} - - - - - -static void rpng2_x_finish_display(void) -{ - Trace((stderr, "beginning rpng2_x_finish_display()\n")) - - /* last row has already been displayed by rpng2_x_display_row(), so we - * have nothing to do here except set a flag and let the user know that - * the image is done */ - - rpng2_info.state = kDone; - printf( - "Done. Press Q, Esc or mouse button 1 (within image window) to quit.\n"); - fflush(stdout); -} - - - - - -static void rpng2_x_redisplay_image(ulg startcol, ulg startrow, - ulg width, ulg height) -{ - uch bg_red = rpng2_info.bg_red; - uch bg_green = rpng2_info.bg_green; - uch bg_blue = rpng2_info.bg_blue; - uch *src, *src2=NULL; - char *dest; - uch r, g, b, a; - ulg i, row, lastrow = 0; - ulg pixel; - int ximage_rowbytes = ximage->bytes_per_line; - - - Trace((stderr, "beginning display loop (image_channels == %d)\n", - rpng2_info.channels)) - Trace((stderr, " (width = %ld, rowbytes = %d, ximage_rowbytes = %d)\n", - rpng2_info.width, rpng2_info.rowbytes, ximage_rowbytes)) - Trace((stderr, " (bpp = %d)\n", ximage->bits_per_pixel)) - Trace((stderr, " (byte_order = %s)\n", ximage->byte_order == MSBFirst? - "MSBFirst" : (ximage->byte_order == LSBFirst? "LSBFirst" : "unknown"))) - -/*--------------------------------------------------------------------------- - Aside from the use of the rpng2_info struct and of src2 (for background - image), this routine is identical to rpng_x_display_image() in the non- - progressive version of the program--for the simple reason that redisplay - of the image against a new background happens after the image is fully - decoded and therefore is, by definition, non-progressive. - ---------------------------------------------------------------------------*/ - - if (depth == 24 || depth == 32) { - ulg red, green, blue; - int bpp = ximage->bits_per_pixel; - - for (lastrow = row = startrow; row < startrow+height; ++row) { - src = rpng2_info.image_data + row*rpng2_info.rowbytes; - if (bg_image) - src2 = bg_data + row*bg_rowbytes; - dest = ximage->data + row*ximage_rowbytes; - if (rpng2_info.channels == 3) { - for (i = rpng2_info.width; i > 0; --i) { - red = *src++; - green = *src++; - blue = *src++; -#ifdef NO_24BIT_MASKS - pixel = (red << RShift) | - (green << GShift) | - (blue << BShift); - /* recall that we set ximage->byte_order = MSBFirst above */ - if (bpp == 32) { - *dest++ = (char)((pixel >> 24) & 0xff); - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } else { - /* this assumes bpp == 24 & bits are packed low */ - /* (probably need to use RShift, RMask, etc.) */ - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } -#else - red = (RShift < 0)? red << (-RShift) : red >> RShift; - green = (GShift < 0)? green << (-GShift) : green >> GShift; - blue = (BShift < 0)? blue << (-BShift) : blue >> BShift; - pixel = (red & RMask) | (green & GMask) | (blue & BMask); - /* recall that we set ximage->byte_order = MSBFirst above */ - if (bpp == 32) { - *dest++ = (char)((pixel >> 24) & 0xff); - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } else { - /* GRR BUG */ - /* this assumes bpp == 24 & bits are packed low */ - /* (probably need to use RShift/RMask/etc. here, too) */ - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } -#endif - } - - } else /* if (rpng2_info.channels == 4) */ { - for (i = rpng2_info.width; i > 0; --i) { - r = *src++; - g = *src++; - b = *src++; - a = *src++; - if (bg_image) { - bg_red = *src2++; - bg_green = *src2++; - bg_blue = *src2++; - } - if (a == 255) { - red = r; - green = g; - blue = b; - } else if (a == 0) { - red = bg_red; - green = bg_green; - blue = bg_blue; - } else { - /* this macro (from png.h) composites the foreground - * and background values and puts the result into the - * first argument */ - alpha_composite(red, r, a, bg_red); - alpha_composite(green, g, a, bg_green); - alpha_composite(blue, b, a, bg_blue); - } -#ifdef NO_24BIT_MASKS - pixel = (red << RShift) | - (green << GShift) | - (blue << BShift); - /* recall that we set ximage->byte_order = MSBFirst above */ - if (bpp == 32) { - *dest++ = (char)((pixel >> 24) & 0xff); - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } else { - /* this assumes bpp == 24 & bits are packed low */ - /* (probably need to use RShift, RMask, etc.) */ - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } -#else - red = (RShift < 0)? red << (-RShift) : red >> RShift; - green = (GShift < 0)? green << (-GShift) : green >> GShift; - blue = (BShift < 0)? blue << (-BShift) : blue >> BShift; - pixel = (red & RMask) | (green & GMask) | (blue & BMask); - /* recall that we set ximage->byte_order = MSBFirst above */ - if (bpp == 32) { - *dest++ = (char)((pixel >> 24) & 0xff); - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } else { - /* GRR BUG */ - /* this assumes bpp == 24 & bits are packed low */ - /* (probably need to use RShift/RMask/etc. here, too) */ - *dest++ = (char)((pixel >> 16) & 0xff); - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } -#endif - } - } - /* display after every 16 lines */ - if (((row+1) & 0xf) == 0) { - XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0, - (int)lastrow, rpng2_info.width, 16); - XFlush(display); - lastrow = row + 1; - } - } - - } else if (depth == 16) { - ush red, green, blue; - - for (lastrow = row = startrow; row < startrow+height; ++row) { - src = rpng2_info.row_pointers[row]; - if (bg_image) - src2 = bg_data + row*bg_rowbytes; - dest = ximage->data + row*ximage_rowbytes; - if (rpng2_info.channels == 3) { - for (i = rpng2_info.width; i > 0; --i) { - red = ((ush)(*src) << 8); - ++src; - green = ((ush)(*src) << 8); - ++src; - blue = ((ush)(*src) << 8); - ++src; - pixel = ((red >> RShift) & RMask) | - ((green >> GShift) & GMask) | - ((blue >> BShift) & BMask); - /* recall that we set ximage->byte_order = MSBFirst above */ - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } - } else /* if (rpng2_info.channels == 4) */ { - for (i = rpng2_info.width; i > 0; --i) { - r = *src++; - g = *src++; - b = *src++; - a = *src++; - if (bg_image) { - bg_red = *src2++; - bg_green = *src2++; - bg_blue = *src2++; - } - if (a == 255) { - red = ((ush)r << 8); - green = ((ush)g << 8); - blue = ((ush)b << 8); - } else if (a == 0) { - red = ((ush)bg_red << 8); - green = ((ush)bg_green << 8); - blue = ((ush)bg_blue << 8); - } else { - /* this macro (from png.h) composites the foreground - * and background values and puts the result back into - * the first argument (== fg byte here: safe) */ - alpha_composite(r, r, a, bg_red); - alpha_composite(g, g, a, bg_green); - alpha_composite(b, b, a, bg_blue); - red = ((ush)r << 8); - green = ((ush)g << 8); - blue = ((ush)b << 8); - } - pixel = ((red >> RShift) & RMask) | - ((green >> GShift) & GMask) | - ((blue >> BShift) & BMask); - /* recall that we set ximage->byte_order = MSBFirst above */ - *dest++ = (char)((pixel >> 8) & 0xff); - *dest++ = (char)( pixel & 0xff); - } - } - /* display after every 16 lines */ - if (((row+1) & 0xf) == 0) { - XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0, - (int)lastrow, rpng2_info.width, 16); - XFlush(display); - lastrow = row + 1; - } - } - - } else /* depth == 8 */ { - - /* GRR: add 8-bit support */ - - } - - Trace((stderr, "calling final XPutImage()\n")) - if (lastrow < startrow+height) { - XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0, - (int)lastrow, rpng2_info.width, rpng2_info.height-lastrow); - XFlush(display); - } - -} /* end function rpng2_x_redisplay_image() */ - - - - - -#ifdef FEATURE_LOOP - -static void rpng2_x_reload_bg_image(void) -{ - char *dest; - uch r1, r2, g1, g2, b1, b2; - uch r1_inv, r2_inv, g1_inv, g2_inv, b1_inv, b2_inv; - int k, hmax, max; - int xidx, yidx, yidx_max; - int even_odd_vert, even_odd_horiz, even_odd; - int invert_gradient2 = (bg[pat].type & 0x08); - int invert_column; - ulg i, row; - - - bgscale = (pat == 0)? 8 : bgscale_default; - yidx_max = bgscale - 1; - -/*--------------------------------------------------------------------------- - Vertical gradients (ramps) in NxN squares, alternating direction and - colors (N == bgscale). - ---------------------------------------------------------------------------*/ - - if ((bg[pat].type & 0x07) == 0) { - uch r1_min = rgb[bg[pat].rgb1_min].r; - uch g1_min = rgb[bg[pat].rgb1_min].g; - uch b1_min = rgb[bg[pat].rgb1_min].b; - uch r2_min = rgb[bg[pat].rgb2_min].r; - uch g2_min = rgb[bg[pat].rgb2_min].g; - uch b2_min = rgb[bg[pat].rgb2_min].b; - int r1_diff = rgb[bg[pat].rgb1_max].r - r1_min; - int g1_diff = rgb[bg[pat].rgb1_max].g - g1_min; - int b1_diff = rgb[bg[pat].rgb1_max].b - b1_min; - int r2_diff = rgb[bg[pat].rgb2_max].r - r2_min; - int g2_diff = rgb[bg[pat].rgb2_max].g - g2_min; - int b2_diff = rgb[bg[pat].rgb2_max].b - b2_min; - - for (row = 0; row < rpng2_info.height; ++row) { - yidx = (int)(row % bgscale); - even_odd_vert = (int)((row / bgscale) & 1); - - r1 = r1_min + (r1_diff * yidx) / yidx_max; - g1 = g1_min + (g1_diff * yidx) / yidx_max; - b1 = b1_min + (b1_diff * yidx) / yidx_max; - r1_inv = r1_min + (r1_diff * (yidx_max-yidx)) / yidx_max; - g1_inv = g1_min + (g1_diff * (yidx_max-yidx)) / yidx_max; - b1_inv = b1_min + (b1_diff * (yidx_max-yidx)) / yidx_max; - - r2 = r2_min + (r2_diff * yidx) / yidx_max; - g2 = g2_min + (g2_diff * yidx) / yidx_max; - b2 = b2_min + (b2_diff * yidx) / yidx_max; - r2_inv = r2_min + (r2_diff * (yidx_max-yidx)) / yidx_max; - g2_inv = g2_min + (g2_diff * (yidx_max-yidx)) / yidx_max; - b2_inv = b2_min + (b2_diff * (yidx_max-yidx)) / yidx_max; - - dest = (char *)bg_data + row*bg_rowbytes; - for (i = 0; i < rpng2_info.width; ++i) { - even_odd_horiz = (int)((i / bgscale) & 1); - even_odd = even_odd_vert ^ even_odd_horiz; - invert_column = - (even_odd_horiz && (bg[pat].type & 0x10)); - if (even_odd == 0) { /* gradient #1 */ - if (invert_column) { - *dest++ = r1_inv; - *dest++ = g1_inv; - *dest++ = b1_inv; - } else { - *dest++ = r1; - *dest++ = g1; - *dest++ = b1; - } - } else { /* gradient #2 */ - if ((invert_column && invert_gradient2) || - (!invert_column && !invert_gradient2)) - { - *dest++ = r2; /* not inverted or */ - *dest++ = g2; /* doubly inverted */ - *dest++ = b2; - } else { - *dest++ = r2_inv; - *dest++ = g2_inv; /* singly inverted */ - *dest++ = b2_inv; - } - } - } - } - -/*--------------------------------------------------------------------------- - Soft gradient-diamonds with scale = bgscale. Code contributed by Adam - M. Costello. - ---------------------------------------------------------------------------*/ - - } else if ((bg[pat].type & 0x07) == 1) { - - hmax = (bgscale-1)/2; /* half the max weight of a color */ - max = 2*hmax; /* the max weight of a color */ - - r1 = rgb[bg[pat].rgb1_max].r; - g1 = rgb[bg[pat].rgb1_max].g; - b1 = rgb[bg[pat].rgb1_max].b; - r2 = rgb[bg[pat].rgb2_max].r; - g2 = rgb[bg[pat].rgb2_max].g; - b2 = rgb[bg[pat].rgb2_max].b; - - for (row = 0; row < rpng2_info.height; ++row) { - yidx = (int)(row % bgscale); - if (yidx > hmax) - yidx = bgscale-1 - yidx; - dest = (char *)bg_data + row*bg_rowbytes; - for (i = 0; i < rpng2_info.width; ++i) { - xidx = (int)(i % bgscale); - if (xidx > hmax) - xidx = bgscale-1 - xidx; - k = xidx + yidx; - *dest++ = (k*r1 + (max-k)*r2) / max; - *dest++ = (k*g1 + (max-k)*g2) / max; - *dest++ = (k*b1 + (max-k)*b2) / max; - } - } - -/*--------------------------------------------------------------------------- - Radial "starburst" with azimuthal sinusoids; [eventually number of sinu- - soids will equal bgscale?]. This one is slow but very cool. Code con- - tributed by Pieter S. van der Meulen (originally in Smalltalk). - ---------------------------------------------------------------------------*/ - - } else if ((bg[pat].type & 0x07) == 2) { - uch ch; - int ii, x, y, hw, hh, grayspot; - double freq, rotate, saturate, gray, intensity; - double angle=0.0, aoffset=0.0, maxDist, dist; - double red=0.0, green=0.0, blue=0.0, hue, s, v, f, p, q, t; - - hh = (int)(rpng2_info.height / 2); - hw = (int)(rpng2_info.width / 2); - - /* variables for radial waves: - * aoffset: number of degrees to rotate hue [CURRENTLY NOT USED] - * freq: number of color beams originating from the center - * grayspot: size of the graying center area (anti-alias) - * rotate: rotation of the beams as a function of radius - * saturate: saturation of beams' shape azimuthally - */ - angle = CLIP(angle, 0.0, 360.0); - grayspot = CLIP(bg[pat].bg_gray, 1, (hh + hw)); - freq = MAX((double)bg[pat].bg_freq, 0.0); - saturate = (double)bg[pat].bg_bsat * 0.1; - rotate = (double)bg[pat].bg_brot * 0.1; - gray = 0.0; - intensity = 0.0; - maxDist = (double)((hw*hw) + (hh*hh)); - - for (row = 0; row < rpng2_info.height; ++row) { - y = (int)(row - hh); - dest = (char *)bg_data + row*bg_rowbytes; - for (i = 0; i < rpng2_info.width; ++i) { - x = (int)(i - hw); - angle = (x == 0)? PI_2 : atan((double)y / (double)x); - gray = (double)MAX(ABS(y), ABS(x)) / grayspot; - gray = MIN(1.0, gray); - dist = (double)((x*x) + (y*y)) / maxDist; - intensity = cos((angle+(rotate*dist*PI)) * freq) * - gray * saturate; - intensity = (MAX(MIN(intensity,1.0),-1.0) + 1.0) * 0.5; - hue = (angle + PI) * INV_PI_360 + aoffset; - s = gray * ((double)(ABS(x)+ABS(y)) / (double)(hw + hh)); - s = MIN(MAX(s,0.0), 1.0); - v = MIN(MAX(intensity,0.0), 1.0); - - if (s == 0.0) { - ch = (uch)(v * 255.0); - *dest++ = ch; - *dest++ = ch; - *dest++ = ch; - } else { - if ((hue < 0.0) || (hue >= 360.0)) - hue -= (((int)(hue / 360.0)) * 360.0); - hue /= 60.0; - ii = (int)hue; - f = hue - (double)ii; - p = (1.0 - s) * v; - q = (1.0 - (s * f)) * v; - t = (1.0 - (s * (1.0 - f))) * v; - if (ii == 0) { red = v; green = t; blue = p; } - else if (ii == 1) { red = q; green = v; blue = p; } - else if (ii == 2) { red = p; green = v; blue = t; } - else if (ii == 3) { red = p; green = q; blue = v; } - else if (ii == 4) { red = t; green = p; blue = v; } - else if (ii == 5) { red = v; green = p; blue = q; } - *dest++ = (uch)(red * 255.0); - *dest++ = (uch)(green * 255.0); - *dest++ = (uch)(blue * 255.0); - } - } - } - } - -} /* end function rpng2_x_reload_bg_image() */ - - - - - -static int is_number(char *p) -{ - while (*p) { - if (!isdigit(*p)) - return FALSE; - ++p; - } - return TRUE; -} - -#endif /* FEATURE_LOOP */ - - - - - -static void rpng2_x_cleanup(void) -{ - if (bg_image && bg_data) { - free(bg_data); - bg_data = NULL; - } - - if (rpng2_info.image_data) { - free(rpng2_info.image_data); - rpng2_info.image_data = NULL; - } - - if (rpng2_info.row_pointers) { - free(rpng2_info.row_pointers); - rpng2_info.row_pointers = NULL; - } - - if (ximage) { - if (ximage->data) { - free(ximage->data); /* we allocated it, so we free it */ - ximage->data = (char *)NULL; /* instead of XDestroyImage() */ - } - XDestroyImage(ximage); - ximage = NULL; - } - - if (have_gc) - XFreeGC(display, gc); - - if (have_window) - XDestroyWindow(display, window); - - if (have_colormap) - XFreeColormap(display, colormap); - - if (have_nondefault_visual) - XFree(visual_list); -} - - - - - -static int rpng2_x_msb(ulg u32val) -{ - int i; - - for (i = 31; i >= 0; --i) { - if (u32val & 0x80000000L) - break; - u32val <<= 1; - } - return i; -} diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/toucan.png b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/toucan.png deleted file mode 100644 index 03960d49399..00000000000 Binary files a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/toucan.png and /dev/null differ diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/wpng.c b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/wpng.c deleted file mode 100644 index a06e3529ecb..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/wpng.c +++ /dev/null @@ -1,853 +0,0 @@ -/*--------------------------------------------------------------------------- - - wpng - simple PNG-writing program wpng.c - - This program converts certain NetPBM binary files (grayscale and RGB, - maxval = 255) to PNG. Non-interlaced PNGs are written progressively; - interlaced PNGs are read and written in one memory-intensive blast. - - Thanks to Jean-loup Gailly for providing the necessary trick to read - interactive text from the keyboard while stdin is redirected. Thanks - to Cosmin Truta for Cygwin fixes. - - NOTE: includes provisional support for PNM type "8" (portable alphamap) - images, presumed to be a 32-bit interleaved RGBA format; no pro- - vision for possible interleaved grayscale+alpha (16-bit) format. - THIS IS UNLIKELY TO BECOME AN OFFICIAL NETPBM ALPHA FORMAT! - - to do: - - delete output file if quit before calling any writepng routines - - process backspace with -text option under DOS/Win? (currently get ^H) - - --------------------------------------------------------------------------- - - Changelog: - - 1.01: initial public release - - 1.02: modified to allow abbreviated options - - 1.03: removed extraneous character from usage screen; fixed bug in - command-line parsing - - 1.04: fixed DOS/OS2/Win32 detection, including partial Cygwin fix - (see http://home.att.net/~perlspinr/diffs/GregBook_cygwin.diff) - - 2.00: dual-licensed (added GNU GPL) - - [REPORTED BUG (win32 only): "contrib/gregbook/wpng.c - cmd line - dose not work! In order to do something useful I needed to redirect - both input and output, with cygwin and with bcc32 as well. Under - Linux, the same wpng appears to work fine. I don't know what is - the problem."] - - --------------------------------------------------------------------------- - - Copyright (c) 1998-2007 Greg Roelofs. All rights reserved. - - This software is provided "as is," without warranty of any kind, - express or implied. In no event shall the author or contributors - be held liable for any damages arising in any way from the use of - this software. - - The contents of this file are DUAL-LICENSED. You may modify and/or - redistribute this software according to the terms of one of the - following two licenses (at your option): - - - LICENSE 1 ("BSD-like with advertising clause"): - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute - it freely, subject to the following restrictions: - - 1. Redistributions of source code must retain the above copyright - notice, disclaimer, and this list of conditions. - 2. Redistributions in binary form must reproduce the above copyright - notice, disclaimer, and this list of conditions in the documenta- - tion and/or other materials provided with the distribution. - 3. All advertising materials mentioning features or use of this - software must display the following acknowledgment: - - This product includes software developed by Greg Roelofs - and contributors for the book, "PNG: The Definitive Guide," - published by O'Reilly and Associates. - - - LICENSE 2 (GNU GPL v2 or later): - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - ---------------------------------------------------------------------------*/ - -#define PROGNAME "wpng" -#define VERSION "2.00 of 2 June 2007" -#define APPNAME "Simple PGM/PPM/PAM to PNG Converter" - -#if defined(__MSDOS__) || defined(__OS2__) -# define DOS_OS2_W32 -#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) -# ifndef __GNUC__ /* treat Win32 native ports of gcc as Unix environments */ -# define DOS_OS2_W32 -# endif -#endif - -#include -#include -#include -#include /* for jmpbuf declaration in writepng.h */ -#include - -#ifdef DOS_OS2_W32 -# include /* for isatty(), setmode() prototypes */ -# include /* O_BINARY for fdopen() without text translation */ -# ifdef __EMX__ -# ifndef getch -# define getch() _read_kbd(0, 1, 0) /* need getche() */ -# endif -# else /* !__EMX__ */ -# ifdef __GO32__ -# include -# define getch() getkey() /* GRR: need getche() */ -# else -# include /* for getche() console input */ -# endif -# endif /* ?__EMX__ */ -# define FGETS(buf,len,stream) dos_kbd_gets(buf,len) -#else -# include /* for isatty() prototype */ -# define FGETS fgets -#endif - -/* #define DEBUG : this enables the Trace() macros */ - -/* #define FORBID_LATIN1_CTRL : this requires the user to re-enter any - text that includes control characters discouraged by the PNG spec; text - that includes an escape character (27) must be re-entered regardless */ - -#include "writepng.h" /* typedefs, common macros, writepng prototypes */ - - - -/* local prototypes */ - -static int wpng_isvalid_latin1(uch *p, int len); -static void wpng_cleanup(void); - -#ifdef DOS_OS2_W32 - static char *dos_kbd_gets(char *buf, int len); -#endif - - - -static mainprog_info wpng_info; /* lone global */ - - - -int main(int argc, char **argv) -{ -#ifndef DOS_OS2_W32 - FILE *keybd; -#endif -#ifdef sgi - FILE *tmpfile; /* or we could just use keybd, since no overlap */ - char tmpline[80]; -#endif - char *inname = NULL, outname[256]; - char *p, pnmchar, pnmline[256]; - char *bgstr, *textbuf = NULL; - ulg rowbytes; - int rc, len = 0; - int error = 0; - int text = FALSE; - int maxval; - double LUT_exponent; /* just the lookup table */ - double CRT_exponent = 2.2; /* just the monitor */ - double default_display_exponent; /* whole display system */ - double default_gamma = 0.0; - - - wpng_info.infile = NULL; - wpng_info.outfile = NULL; - wpng_info.image_data = NULL; - wpng_info.row_pointers = NULL; - wpng_info.filter = FALSE; - wpng_info.interlaced = FALSE; - wpng_info.have_bg = FALSE; - wpng_info.have_time = FALSE; - wpng_info.have_text = 0; - wpng_info.gamma = 0.0; - - - /* First get the default value for our display-system exponent, i.e., - * the product of the CRT exponent and the exponent corresponding to - * the frame-buffer's lookup table (LUT), if any. If the PNM image - * looks correct on the user's display system, its file gamma is the - * inverse of this value. (Note that this is not an exhaustive list - * of LUT values--e.g., OpenStep has a lot of weird ones--but it should - * cover 99% of the current possibilities. This section must ensure - * that default_display_exponent is positive.) */ - -#if defined(NeXT) - /* third-party utilities can modify the default LUT exponent */ - LUT_exponent = 1.0 / 2.2; - /* - if (some_next_function_that_returns_gamma(&next_gamma)) - LUT_exponent = 1.0 / next_gamma; - */ -#elif defined(sgi) - LUT_exponent = 1.0 / 1.7; - /* there doesn't seem to be any documented function to - * get the "gamma" value, so we do it the hard way */ - tmpfile = fopen("/etc/config/system.glGammaVal", "r"); - if (tmpfile) { - double sgi_gamma; - - fgets(tmpline, 80, tmpfile); - fclose(tmpfile); - sgi_gamma = atof(tmpline); - if (sgi_gamma > 0.0) - LUT_exponent = 1.0 / sgi_gamma; - } -#elif defined(Macintosh) - LUT_exponent = 1.8 / 2.61; - /* - if (some_mac_function_that_returns_gamma(&mac_gamma)) - LUT_exponent = mac_gamma / 2.61; - */ -#else - LUT_exponent = 1.0; /* assume no LUT: most PCs */ -#endif - - /* the defaults above give 1.0, 1.3, 1.5 and 2.2, respectively: */ - default_display_exponent = LUT_exponent * CRT_exponent; - - - /* If the user has set the SCREEN_GAMMA environment variable as suggested - * (somewhat imprecisely) in the libpng documentation, use that; otherwise - * use the default value we just calculated. Either way, the user may - * override this via a command-line option. */ - - if ((p = getenv("SCREEN_GAMMA")) != NULL) { - double exponent = atof(p); - - if (exponent > 0.0) - default_gamma = 1.0 / exponent; - } - - if (default_gamma == 0.0) - default_gamma = 1.0 / default_display_exponent; - - - /* Now parse the command line for options and the PNM filename. */ - - while (*++argv && !error) { - if (!strncmp(*argv, "-i", 2)) { - wpng_info.interlaced = TRUE; - } else if (!strncmp(*argv, "-time", 3)) { - wpng_info.modtime = time(NULL); - wpng_info.have_time = TRUE; - } else if (!strncmp(*argv, "-text", 3)) { - text = TRUE; - } else if (!strncmp(*argv, "-gamma", 2)) { - if (!*++argv) - ++error; - else { - wpng_info.gamma = atof(*argv); - if (wpng_info.gamma <= 0.0) - ++error; - else if (wpng_info.gamma > 1.01) - fprintf(stderr, PROGNAME - " warning: file gammas are usually less than 1.0\n"); - } - } else if (!strncmp(*argv, "-bgcolor", 4)) { - if (!*++argv) - ++error; - else { - bgstr = *argv; - if (strlen(bgstr) != 7 || bgstr[0] != '#') - ++error; - else { - unsigned r, g, b; /* this way quiets compiler warnings */ - - sscanf(bgstr+1, "%2x%2x%2x", &r, &g, &b); - wpng_info.bg_red = (uch)r; - wpng_info.bg_green = (uch)g; - wpng_info.bg_blue = (uch)b; - wpng_info.have_bg = TRUE; - } - } - } else { - if (**argv != '-') { - inname = *argv; - if (argv[1]) /* shouldn't be any more args after filename */ - ++error; - } else - ++error; /* not expecting any other options */ - } - } - - - /* open the input and output files, or register an error and abort */ - - if (!inname) { - if (isatty(0)) { - fprintf(stderr, PROGNAME - ": must give input filename or provide image data via stdin\n"); - ++error; - } else { -#ifdef DOS_OS2_W32 - /* some buggy C libraries require BOTH setmode() and fdopen(bin) */ - setmode(fileno(stdin), O_BINARY); - setmode(fileno(stdout), O_BINARY); -#endif - if ((wpng_info.infile = fdopen(fileno(stdin), "rb")) == NULL) { - fprintf(stderr, PROGNAME - ": unable to reopen stdin in binary mode\n"); - ++error; - } else - if ((wpng_info.outfile = fdopen(fileno(stdout), "wb")) == NULL) { - fprintf(stderr, PROGNAME - ": unable to reopen stdout in binary mode\n"); - fclose(wpng_info.infile); - ++error; - } else - wpng_info.filter = TRUE; - } - } else if ((len = strlen(inname)) > 250) { - fprintf(stderr, PROGNAME ": input filename is too long [%d chars]\n", - len); - ++error; - } else if (!(wpng_info.infile = fopen(inname, "rb"))) { - fprintf(stderr, PROGNAME ": can't open input file [%s]\n", inname); - ++error; - } - - if (!error) { - fgets(pnmline, 256, wpng_info.infile); - if (pnmline[0] != 'P' || ((pnmchar = pnmline[1]) != '5' && - pnmchar != '6' && pnmchar != '8')) - { - fprintf(stderr, PROGNAME - ": input file [%s] is not a binary PGM, PPM or PAM file\n", - inname); - ++error; - } else { - wpng_info.pnmtype = (int)(pnmchar - '0'); - if (wpng_info.pnmtype != 8) - wpng_info.have_bg = FALSE; /* no need for bg if opaque */ - do { - fgets(pnmline, 256, wpng_info.infile); /* lose any comments */ - } while (pnmline[0] == '#'); - sscanf(pnmline, "%ld %ld", &wpng_info.width, &wpng_info.height); - do { - fgets(pnmline, 256, wpng_info.infile); /* more comment lines */ - } while (pnmline[0] == '#'); - sscanf(pnmline, "%d", &maxval); - if (wpng_info.width <= 0L || wpng_info.height <= 0L || - maxval != 255) - { - fprintf(stderr, PROGNAME - ": only positive width/height, maxval == 255 allowed \n"); - ++error; - } - wpng_info.sample_depth = 8; /* <==> maxval 255 */ - - if (!wpng_info.filter) { - /* make outname from inname */ - if ((p = strrchr(inname, '.')) == NULL || - (p - inname) != (len - 4)) - { - strcpy(outname, inname); - strcpy(outname+len, ".png"); - } else { - len -= 4; - strncpy(outname, inname, len); - strcpy(outname+len, ".png"); - } - /* check if outname already exists; if not, open */ - if ((wpng_info.outfile = fopen(outname, "rb")) != NULL) { - fprintf(stderr, PROGNAME ": output file exists [%s]\n", - outname); - fclose(wpng_info.outfile); - ++error; - } else if (!(wpng_info.outfile = fopen(outname, "wb"))) { - fprintf(stderr, PROGNAME ": can't open output file [%s]\n", - outname); - ++error; - } - } - } - if (error) { - fclose(wpng_info.infile); - wpng_info.infile = NULL; - if (wpng_info.filter) { - fclose(wpng_info.outfile); - wpng_info.outfile = NULL; - } - } - } - - - /* if we had any errors, print usage and die horrible death...arrr! */ - - if (error) { - fprintf(stderr, "\n%s %s: %s\n", PROGNAME, VERSION, APPNAME); - writepng_version_info(); - fprintf(stderr, "\n" -"Usage: %s [-gamma exp] [-bgcolor bg] [-text] [-time] [-interlace] pnmfile\n" -"or: ... | %s [-gamma exp] [-bgcolor bg] [-text] [-time] [-interlace] | ...\n" - " exp \ttransfer-function exponent (``gamma'') of the image in\n" - "\t\t floating-point format (e.g., ``%.5f''); if image looks\n" - "\t\t correct on given display system, image gamma is equal to\n" - "\t\t inverse of display-system exponent, i.e., 1 / (LUT * CRT)\n" - "\t\t (where LUT = lookup-table exponent and CRT = CRT exponent;\n" - "\t\t first varies, second is usually 2.2, all are positive)\n" - " bg \tdesired background color for alpha-channel images, in\n" - "\t\t 7-character hex RGB format (e.g., ``#ff7700'' for orange:\n" - "\t\t same as HTML colors)\n" - " -text\tprompt interactively for text info (tEXt chunks)\n" - " -time\tinclude a tIME chunk (last modification time)\n" - " -interlace\twrite interlaced PNG image\n" - "\n" -"pnmfile or stdin must be a binary PGM (`P5'), PPM (`P6') or (extremely\n" -"unofficial and unsupported!) PAM (`P8') file. Currently it is required\n" -"to have maxval == 255 (i.e., no scaling). If pnmfile is specified, it\n" -"is converted to the corresponding PNG file with the same base name but a\n" -"``.png'' extension; files read from stdin are converted and sent to stdout.\n" -"The conversion is progressive (low memory usage) unless interlacing is\n" -"requested; in that case the whole image will be buffered in memory and\n" -"written in one call.\n" - "\n", PROGNAME, PROGNAME, default_gamma); - exit(1); - } - - - /* prepare the text buffers for libpng's use; note that even though - * PNG's png_text struct includes a length field, we don't have to fill - * it out */ - - if (text && -#ifndef DOS_OS2_W32 - (keybd = fdopen(fileno(stderr), "r")) != NULL && -#endif - (textbuf = (char *)malloc((5 + 9)*75)) != NULL) - { - int i, valid, result; - - fprintf(stderr, - "Enter text info (no more than 72 characters per line);\n"); - fprintf(stderr, "to skip a field, hit the key.\n"); - /* note: just leaves len == 1 */ - - do { - valid = TRUE; - p = textbuf + TEXT_TITLE_OFFSET; - fprintf(stderr, " Title: "); - fflush(stderr); - if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) { - if (p[len-1] == '\n') - p[--len] = '\0'; - wpng_info.title = p; - wpng_info.have_text |= TEXT_TITLE; - if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) { - fprintf(stderr, " " PROGNAME " warning: character code" - " %u is %sdiscouraged by the PNG\n specification " - "[first occurrence was at character position #%d]\n", - (unsigned)p[result], (p[result] == 27)? "strongly " : "", - result+1); - fflush(stderr); -#ifdef FORBID_LATIN1_CTRL - wpng_info.have_text &= ~TEXT_TITLE; - valid = FALSE; -#else - if (p[result] == 27) { /* escape character */ - wpng_info.have_text &= ~TEXT_TITLE; - valid = FALSE; - } -#endif - } - } - } while (!valid); - - do { - valid = TRUE; - p = textbuf + TEXT_AUTHOR_OFFSET; - fprintf(stderr, " Author: "); - fflush(stderr); - if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) { - if (p[len-1] == '\n') - p[--len] = '\0'; - wpng_info.author = p; - wpng_info.have_text |= TEXT_AUTHOR; - if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) { - fprintf(stderr, " " PROGNAME " warning: character code" - " %u is %sdiscouraged by the PNG\n specification " - "[first occurrence was at character position #%d]\n", - (unsigned)p[result], (p[result] == 27)? "strongly " : "", - result+1); - fflush(stderr); -#ifdef FORBID_LATIN1_CTRL - wpng_info.have_text &= ~TEXT_AUTHOR; - valid = FALSE; -#else - if (p[result] == 27) { /* escape character */ - wpng_info.have_text &= ~TEXT_AUTHOR; - valid = FALSE; - } -#endif - } - } - } while (!valid); - - do { - valid = TRUE; - p = textbuf + TEXT_DESC_OFFSET; - fprintf(stderr, " Description (up to 9 lines):\n"); - for (i = 1; i < 10; ++i) { - fprintf(stderr, " [%d] ", i); - fflush(stderr); - if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) - p += len; /* now points at NULL; char before is newline */ - else - break; - } - if ((len = p - (textbuf + TEXT_DESC_OFFSET)) > 1) { - if (p[-1] == '\n') { - p[-1] = '\0'; - --len; - } - wpng_info.desc = textbuf + TEXT_DESC_OFFSET; - wpng_info.have_text |= TEXT_DESC; - p = textbuf + TEXT_DESC_OFFSET; - if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) { - fprintf(stderr, " " PROGNAME " warning: character code" - " %u is %sdiscouraged by the PNG\n specification " - "[first occurrence was at character position #%d]\n", - (unsigned)p[result], (p[result] == 27)? "strongly " : "", - result+1); - fflush(stderr); -#ifdef FORBID_LATIN1_CTRL - wpng_info.have_text &= ~TEXT_DESC; - valid = FALSE; -#else - if (p[result] == 27) { /* escape character */ - wpng_info.have_text &= ~TEXT_DESC; - valid = FALSE; - } -#endif - } - } - } while (!valid); - - do { - valid = TRUE; - p = textbuf + TEXT_COPY_OFFSET; - fprintf(stderr, " Copyright: "); - fflush(stderr); - if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) { - if (p[len-1] == '\n') - p[--len] = '\0'; - wpng_info.copyright = p; - wpng_info.have_text |= TEXT_COPY; - if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) { - fprintf(stderr, " " PROGNAME " warning: character code" - " %u is %sdiscouraged by the PNG\n specification " - "[first occurrence was at character position #%d]\n", - (unsigned)p[result], (p[result] == 27)? "strongly " : "", - result+1); - fflush(stderr); -#ifdef FORBID_LATIN1_CTRL - wpng_info.have_text &= ~TEXT_COPY; - valid = FALSE; -#else - if (p[result] == 27) { /* escape character */ - wpng_info.have_text &= ~TEXT_COPY; - valid = FALSE; - } -#endif - } - } - } while (!valid); - - do { - valid = TRUE; - p = textbuf + TEXT_EMAIL_OFFSET; - fprintf(stderr, " E-mail: "); - fflush(stderr); - if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) { - if (p[len-1] == '\n') - p[--len] = '\0'; - wpng_info.email = p; - wpng_info.have_text |= TEXT_EMAIL; - if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) { - fprintf(stderr, " " PROGNAME " warning: character code" - " %u is %sdiscouraged by the PNG\n specification " - "[first occurrence was at character position #%d]\n", - (unsigned)p[result], (p[result] == 27)? "strongly " : "", - result+1); - fflush(stderr); -#ifdef FORBID_LATIN1_CTRL - wpng_info.have_text &= ~TEXT_EMAIL; - valid = FALSE; -#else - if (p[result] == 27) { /* escape character */ - wpng_info.have_text &= ~TEXT_EMAIL; - valid = FALSE; - } -#endif - } - } - } while (!valid); - - do { - valid = TRUE; - p = textbuf + TEXT_URL_OFFSET; - fprintf(stderr, " URL: "); - fflush(stderr); - if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) { - if (p[len-1] == '\n') - p[--len] = '\0'; - wpng_info.url = p; - wpng_info.have_text |= TEXT_URL; - if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) { - fprintf(stderr, " " PROGNAME " warning: character code" - " %u is %sdiscouraged by the PNG\n specification " - "[first occurrence was at character position #%d]\n", - (unsigned)p[result], (p[result] == 27)? "strongly " : "", - result+1); - fflush(stderr); -#ifdef FORBID_LATIN1_CTRL - wpng_info.have_text &= ~TEXT_URL; - valid = FALSE; -#else - if (p[result] == 27) { /* escape character */ - wpng_info.have_text &= ~TEXT_URL; - valid = FALSE; - } -#endif - } - } - } while (!valid); - -#ifndef DOS_OS2_W32 - fclose(keybd); -#endif - - } else if (text) { - fprintf(stderr, PROGNAME ": unable to allocate memory for text\n"); - text = FALSE; - wpng_info.have_text = 0; - } - - - /* allocate libpng stuff, initialize transformations, write pre-IDAT data */ - - if ((rc = writepng_init(&wpng_info)) != 0) { - switch (rc) { - case 2: - fprintf(stderr, PROGNAME - ": libpng initialization problem (longjmp)\n"); - break; - case 4: - fprintf(stderr, PROGNAME ": insufficient memory\n"); - break; - case 11: - fprintf(stderr, PROGNAME - ": internal logic error (unexpected PNM type)\n"); - break; - default: - fprintf(stderr, PROGNAME - ": unknown writepng_init() error\n"); - break; - } - exit(rc); - } - - - /* free textbuf, since it's a completely local variable and all text info - * has just been written to the PNG file */ - - if (text && textbuf) { - free(textbuf); - textbuf = NULL; - } - - - /* calculate rowbytes on basis of image type; note that this becomes much - * more complicated if we choose to support PBM type, ASCII PNM types, or - * 16-bit-per-sample binary data [currently not an official NetPBM type] */ - - if (wpng_info.pnmtype == 5) - rowbytes = wpng_info.width; - else if (wpng_info.pnmtype == 6) - rowbytes = wpng_info.width * 3; - else /* if (wpng_info.pnmtype == 8) */ - rowbytes = wpng_info.width * 4; - - - /* read and write the image, either in its entirety (if writing interlaced - * PNG) or row by row (if non-interlaced) */ - - fprintf(stderr, "Encoding image data...\n"); - fflush(stderr); - - if (wpng_info.interlaced) { - long i; - ulg bytes; - ulg image_bytes = rowbytes * wpng_info.height; /* overflow? */ - - wpng_info.image_data = (uch *)malloc(image_bytes); - wpng_info.row_pointers = (uch **)malloc(wpng_info.height*sizeof(uch *)); - if (wpng_info.image_data == NULL || wpng_info.row_pointers == NULL) { - fprintf(stderr, PROGNAME ": insufficient memory for image data\n"); - writepng_cleanup(&wpng_info); - wpng_cleanup(); - exit(5); - } - for (i = 0; i < wpng_info.height; ++i) - wpng_info.row_pointers[i] = wpng_info.image_data + i*rowbytes; - bytes = fread(wpng_info.image_data, 1, image_bytes, wpng_info.infile); - if (bytes != image_bytes) { - fprintf(stderr, PROGNAME ": expected %lu bytes, got %lu bytes\n", - image_bytes, bytes); - fprintf(stderr, " (continuing anyway)\n"); - } - if (writepng_encode_image(&wpng_info) != 0) { - fprintf(stderr, PROGNAME - ": libpng problem (longjmp) while writing image data\n"); - writepng_cleanup(&wpng_info); - wpng_cleanup(); - exit(2); - } - - } else /* not interlaced: write progressively (row by row) */ { - long j; - ulg bytes; - - wpng_info.image_data = (uch *)malloc(rowbytes); - if (wpng_info.image_data == NULL) { - fprintf(stderr, PROGNAME ": insufficient memory for row data\n"); - writepng_cleanup(&wpng_info); - wpng_cleanup(); - exit(5); - } - error = 0; - for (j = wpng_info.height; j > 0L; --j) { - bytes = fread(wpng_info.image_data, 1, rowbytes, wpng_info.infile); - if (bytes != rowbytes) { - fprintf(stderr, PROGNAME - ": expected %lu bytes, got %lu bytes (row %ld)\n", rowbytes, - bytes, wpng_info.height-j); - ++error; - break; - } - if (writepng_encode_row(&wpng_info) != 0) { - fprintf(stderr, PROGNAME - ": libpng problem (longjmp) while writing row %ld\n", - wpng_info.height-j); - ++error; - break; - } - } - if (error) { - writepng_cleanup(&wpng_info); - wpng_cleanup(); - exit(2); - } - if (writepng_encode_finish(&wpng_info) != 0) { - fprintf(stderr, PROGNAME ": error on final libpng call\n"); - writepng_cleanup(&wpng_info); - wpng_cleanup(); - exit(2); - } - } - - - /* OK, we're done (successfully): clean up all resources and quit */ - - fprintf(stderr, "Done.\n"); - fflush(stderr); - - writepng_cleanup(&wpng_info); - wpng_cleanup(); - - return 0; -} - - - - - -static int wpng_isvalid_latin1(uch *p, int len) -{ - int i, result = -1; - - for (i = 0; i < len; ++i) { - if (p[i] == 10 || (p[i] > 31 && p[i] < 127) || p[i] > 160) - continue; /* character is completely OK */ - if (result < 0 || (p[result] != 27 && p[i] == 27)) - result = i; /* mark location of first questionable one */ - } /* or of first escape character (bad) */ - - return result; -} - - - - - -static void wpng_cleanup(void) -{ - if (wpng_info.outfile) { - fclose(wpng_info.outfile); - wpng_info.outfile = NULL; - } - - if (wpng_info.infile) { - fclose(wpng_info.infile); - wpng_info.infile = NULL; - } - - if (wpng_info.image_data) { - free(wpng_info.image_data); - wpng_info.image_data = NULL; - } - - if (wpng_info.row_pointers) { - free(wpng_info.row_pointers); - wpng_info.row_pointers = NULL; - } -} - - - - -#ifdef DOS_OS2_W32 - -static char *dos_kbd_gets(char *buf, int len) -{ - int ch, count=0; - - do { - buf[count++] = ch = getche(); - } while (ch != '\r' && count < len-1); - - buf[count--] = '\0'; /* terminate string */ - if (buf[count] == '\r') /* Enter key makes CR, so change to newline */ - buf[count] = '\n'; - - fprintf(stderr, "\n"); /* Enter key does *not* cause a newline */ - fflush(stderr); - - return buf; -} - -#endif /* DOS_OS2_W32 */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/writepng.c b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/writepng.c deleted file mode 100644 index e6d81ea40e1..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/writepng.c +++ /dev/null @@ -1,392 +0,0 @@ -/*--------------------------------------------------------------------------- - - wpng - simple PNG-writing program writepng.c - - --------------------------------------------------------------------------- - - Copyright (c) 1998-2007 Greg Roelofs. All rights reserved. - - This software is provided "as is," without warranty of any kind, - express or implied. In no event shall the author or contributors - be held liable for any damages arising in any way from the use of - this software. - - The contents of this file are DUAL-LICENSED. You may modify and/or - redistribute this software according to the terms of one of the - following two licenses (at your option): - - - LICENSE 1 ("BSD-like with advertising clause"): - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute - it freely, subject to the following restrictions: - - 1. Redistributions of source code must retain the above copyright - notice, disclaimer, and this list of conditions. - 2. Redistributions in binary form must reproduce the above copyright - notice, disclaimer, and this list of conditions in the documenta- - tion and/or other materials provided with the distribution. - 3. All advertising materials mentioning features or use of this - software must display the following acknowledgment: - - This product includes software developed by Greg Roelofs - and contributors for the book, "PNG: The Definitive Guide," - published by O'Reilly and Associates. - - - LICENSE 2 (GNU GPL v2 or later): - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - ---------------------------------------------------------------------------*/ - - -#include /* for exit() prototype */ - -#include "png.h" /* libpng header; includes zlib.h and setjmp.h */ -#include "writepng.h" /* typedefs, common macros, public prototypes */ - - -/* local prototype */ - -static void writepng_error_handler(png_structp png_ptr, png_const_charp msg); - - - -void writepng_version_info(void) -{ - fprintf(stderr, " Compiled with libpng %s; using libpng %s.\n", - PNG_LIBPNG_VER_STRING, png_libpng_ver); - fprintf(stderr, " Compiled with zlib %s; using zlib %s.\n", - ZLIB_VERSION, zlib_version); -} - - - - -/* returns 0 for success, 2 for libpng problem, 4 for out of memory, 11 for - * unexpected pnmtype; note that outfile might be stdout */ - -int writepng_init(mainprog_info *mainprog_ptr) -{ - png_structp png_ptr; /* note: temporary variables! */ - png_infop info_ptr; - int color_type, interlace_type; - - - /* could also replace libpng warning-handler (final NULL), but no need: */ - - png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, mainprog_ptr, - writepng_error_handler, NULL); - if (!png_ptr) - return 4; /* out of memory */ - - info_ptr = png_create_info_struct(png_ptr); - if (!info_ptr) { - png_destroy_write_struct(&png_ptr, NULL); - return 4; /* out of memory */ - } - - - /* setjmp() must be called in every function that calls a PNG-writing - * libpng function, unless an alternate error handler was installed-- - * but compatible error handlers must either use longjmp() themselves - * (as in this program) or exit immediately, so here we go: */ - - if (setjmp(mainprog_ptr->jmpbuf)) { - png_destroy_write_struct(&png_ptr, &info_ptr); - return 2; - } - - - /* make sure outfile is (re)opened in BINARY mode */ - - png_init_io(png_ptr, mainprog_ptr->outfile); - - - /* set the compression levels--in general, always want to leave filtering - * turned on (except for palette images) and allow all of the filters, - * which is the default; want 32K zlib window, unless entire image buffer - * is 16K or smaller (unknown here)--also the default; usually want max - * compression (NOT the default); and remaining compression flags should - * be left alone */ - - png_set_compression_level(png_ptr, Z_BEST_COMPRESSION); -/* - >> this is default for no filtering; Z_FILTERED is default otherwise: - png_set_compression_strategy(png_ptr, Z_DEFAULT_STRATEGY); - >> these are all defaults: - png_set_compression_mem_level(png_ptr, 8); - png_set_compression_window_bits(png_ptr, 15); - png_set_compression_method(png_ptr, 8); - */ - - - /* set the image parameters appropriately */ - - if (mainprog_ptr->pnmtype == 5) - color_type = PNG_COLOR_TYPE_GRAY; - else if (mainprog_ptr->pnmtype == 6) - color_type = PNG_COLOR_TYPE_RGB; - else if (mainprog_ptr->pnmtype == 8) - color_type = PNG_COLOR_TYPE_RGB_ALPHA; - else { - png_destroy_write_struct(&png_ptr, &info_ptr); - return 11; - } - - interlace_type = mainprog_ptr->interlaced? PNG_INTERLACE_ADAM7 : - PNG_INTERLACE_NONE; - - png_set_IHDR(png_ptr, info_ptr, mainprog_ptr->width, mainprog_ptr->height, - mainprog_ptr->sample_depth, color_type, interlace_type, - PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); - - if (mainprog_ptr->gamma > 0.0) - png_set_gAMA(png_ptr, info_ptr, mainprog_ptr->gamma); - - if (mainprog_ptr->have_bg) { /* we know it's RGBA, not gray+alpha */ - png_color_16 background; - - background.red = mainprog_ptr->bg_red; - background.green = mainprog_ptr->bg_green; - background.blue = mainprog_ptr->bg_blue; - png_set_bKGD(png_ptr, info_ptr, &background); - } - - if (mainprog_ptr->have_time) { - png_time modtime; - - png_convert_from_time_t(&modtime, mainprog_ptr->modtime); - png_set_tIME(png_ptr, info_ptr, &modtime); - } - - if (mainprog_ptr->have_text) { - png_text text[6]; - int num_text = 0; - - if (mainprog_ptr->have_text & TEXT_TITLE) { - text[num_text].compression = PNG_TEXT_COMPRESSION_NONE; - text[num_text].key = "Title"; - text[num_text].text = mainprog_ptr->title; - ++num_text; - } - if (mainprog_ptr->have_text & TEXT_AUTHOR) { - text[num_text].compression = PNG_TEXT_COMPRESSION_NONE; - text[num_text].key = "Author"; - text[num_text].text = mainprog_ptr->author; - ++num_text; - } - if (mainprog_ptr->have_text & TEXT_DESC) { - text[num_text].compression = PNG_TEXT_COMPRESSION_NONE; - text[num_text].key = "Description"; - text[num_text].text = mainprog_ptr->desc; - ++num_text; - } - if (mainprog_ptr->have_text & TEXT_COPY) { - text[num_text].compression = PNG_TEXT_COMPRESSION_NONE; - text[num_text].key = "Copyright"; - text[num_text].text = mainprog_ptr->copyright; - ++num_text; - } - if (mainprog_ptr->have_text & TEXT_EMAIL) { - text[num_text].compression = PNG_TEXT_COMPRESSION_NONE; - text[num_text].key = "E-mail"; - text[num_text].text = mainprog_ptr->email; - ++num_text; - } - if (mainprog_ptr->have_text & TEXT_URL) { - text[num_text].compression = PNG_TEXT_COMPRESSION_NONE; - text[num_text].key = "URL"; - text[num_text].text = mainprog_ptr->url; - ++num_text; - } - png_set_text(png_ptr, info_ptr, text, num_text); - } - - - /* write all chunks up to (but not including) first IDAT */ - - png_write_info(png_ptr, info_ptr); - - - /* if we wanted to write any more text info *after* the image data, we - * would set up text struct(s) here and call png_set_text() again, with - * just the new data; png_set_tIME() could also go here, but it would - * have no effect since we already called it above (only one tIME chunk - * allowed) */ - - - /* set up the transformations: for now, just pack low-bit-depth pixels - * into bytes (one, two or four pixels per byte) */ - - png_set_packing(png_ptr); -/* png_set_shift(png_ptr, &sig_bit); to scale low-bit-depth values */ - - - /* make sure we save our pointers for use in writepng_encode_image() */ - - mainprog_ptr->png_ptr = png_ptr; - mainprog_ptr->info_ptr = info_ptr; - - - /* OK, that's all we need to do for now; return happy */ - - return 0; -} - - - - - -/* returns 0 for success, 2 for libpng (longjmp) problem */ - -int writepng_encode_image(mainprog_info *mainprog_ptr) -{ - png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr; - png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr; - - - /* as always, setjmp() must be called in every function that calls a - * PNG-writing libpng function */ - - if (setjmp(mainprog_ptr->jmpbuf)) { - png_destroy_write_struct(&png_ptr, &info_ptr); - mainprog_ptr->png_ptr = NULL; - mainprog_ptr->info_ptr = NULL; - return 2; - } - - - /* and now we just write the whole image; libpng takes care of interlacing - * for us */ - - png_write_image(png_ptr, mainprog_ptr->row_pointers); - - - /* since that's it, we also close out the end of the PNG file now--if we - * had any text or time info to write after the IDATs, second argument - * would be info_ptr, but we optimize slightly by sending NULL pointer: */ - - png_write_end(png_ptr, NULL); - - return 0; -} - - - - - -/* returns 0 if succeeds, 2 if libpng problem */ - -int writepng_encode_row(mainprog_info *mainprog_ptr) /* NON-interlaced only! */ -{ - png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr; - png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr; - - - /* as always, setjmp() must be called in every function that calls a - * PNG-writing libpng function */ - - if (setjmp(mainprog_ptr->jmpbuf)) { - png_destroy_write_struct(&png_ptr, &info_ptr); - mainprog_ptr->png_ptr = NULL; - mainprog_ptr->info_ptr = NULL; - return 2; - } - - - /* image_data points at our one row of image data */ - - png_write_row(png_ptr, mainprog_ptr->image_data); - - return 0; -} - - - - - -/* returns 0 if succeeds, 2 if libpng problem */ - -int writepng_encode_finish(mainprog_info *mainprog_ptr) /* NON-interlaced! */ -{ - png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr; - png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr; - - - /* as always, setjmp() must be called in every function that calls a - * PNG-writing libpng function */ - - if (setjmp(mainprog_ptr->jmpbuf)) { - png_destroy_write_struct(&png_ptr, &info_ptr); - mainprog_ptr->png_ptr = NULL; - mainprog_ptr->info_ptr = NULL; - return 2; - } - - - /* close out PNG file; if we had any text or time info to write after - * the IDATs, second argument would be info_ptr: */ - - png_write_end(png_ptr, NULL); - - return 0; -} - - - - - -void writepng_cleanup(mainprog_info *mainprog_ptr) -{ - png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr; - png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr; - - if (png_ptr && info_ptr) - png_destroy_write_struct(&png_ptr, &info_ptr); -} - - - - - -static void writepng_error_handler(png_structp png_ptr, png_const_charp msg) -{ - mainprog_info *mainprog_ptr; - - /* This function, aside from the extra step of retrieving the "error - * pointer" (below) and the fact that it exists within the application - * rather than within libpng, is essentially identical to libpng's - * default error handler. The second point is critical: since both - * setjmp() and longjmp() are called from the same code, they are - * guaranteed to have compatible notions of how big a jmp_buf is, - * regardless of whether _BSD_SOURCE or anything else has (or has not) - * been defined. */ - - fprintf(stderr, "writepng libpng error: %s\n", msg); - fflush(stderr); - - mainprog_ptr = png_get_error_ptr(png_ptr); - if (mainprog_ptr == NULL) { /* we are completely hosed now */ - fprintf(stderr, - "writepng severe error: jmpbuf not recoverable; terminating.\n"); - fflush(stderr); - exit(99); - } - - longjmp(mainprog_ptr->jmpbuf, 1); -} diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/writepng.h b/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/writepng.h deleted file mode 100644 index 78b966b5874..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/gregbook/writepng.h +++ /dev/null @@ -1,133 +0,0 @@ -/*--------------------------------------------------------------------------- - - wpng - simple PNG-writing program writepng.h - - --------------------------------------------------------------------------- - - Copyright (c) 1998-2007 Greg Roelofs. All rights reserved. - - This software is provided "as is," without warranty of any kind, - express or implied. In no event shall the author or contributors - be held liable for any damages arising in any way from the use of - this software. - - The contents of this file are DUAL-LICENSED. You may modify and/or - redistribute this software according to the terms of one of the - following two licenses (at your option): - - - LICENSE 1 ("BSD-like with advertising clause"): - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute - it freely, subject to the following restrictions: - - 1. Redistributions of source code must retain the above copyright - notice, disclaimer, and this list of conditions. - 2. Redistributions in binary form must reproduce the above copyright - notice, disclaimer, and this list of conditions in the documenta- - tion and/or other materials provided with the distribution. - 3. All advertising materials mentioning features or use of this - software must display the following acknowledgment: - - This product includes software developed by Greg Roelofs - and contributors for the book, "PNG: The Definitive Guide," - published by O'Reilly and Associates. - - - LICENSE 2 (GNU GPL v2 or later): - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - ---------------------------------------------------------------------------*/ - -#ifndef TRUE -# define TRUE 1 -# define FALSE 0 -#endif - -#ifndef MAX -# define MAX(a,b) ((a) > (b)? (a) : (b)) -# define MIN(a,b) ((a) < (b)? (a) : (b)) -#endif - -#ifdef DEBUG -# define Trace(x) {fprintf x ; fflush(stderr); fflush(stdout);} -#else -# define Trace(x) ; -#endif - -#define TEXT_TITLE 0x01 -#define TEXT_AUTHOR 0x02 -#define TEXT_DESC 0x04 -#define TEXT_COPY 0x08 -#define TEXT_EMAIL 0x10 -#define TEXT_URL 0x20 - -#define TEXT_TITLE_OFFSET 0 -#define TEXT_AUTHOR_OFFSET 72 -#define TEXT_COPY_OFFSET (2*72) -#define TEXT_EMAIL_OFFSET (3*72) -#define TEXT_URL_OFFSET (4*72) -#define TEXT_DESC_OFFSET (5*72) - -typedef unsigned char uch; -typedef unsigned short ush; -typedef unsigned long ulg; - -typedef struct _mainprog_info { - double gamma; - long width; - long height; - time_t modtime; - FILE *infile; - FILE *outfile; - void *png_ptr; - void *info_ptr; - uch *image_data; - uch **row_pointers; - char *title; - char *author; - char *desc; - char *copyright; - char *email; - char *url; - int filter; /* command-line-filter flag, not PNG row filter! */ - int pnmtype; - int sample_depth; - int interlaced; - int have_bg; - int have_time; - int have_text; - jmp_buf jmpbuf; - uch bg_red; - uch bg_green; - uch bg_blue; -} mainprog_info; - - -/* prototypes for public functions in writepng.c */ - -void writepng_version_info(void); - -int writepng_init(mainprog_info *mainprog_ptr); - -int writepng_encode_image(mainprog_info *mainprog_ptr); - -int writepng_encode_row(mainprog_info *mainprog_ptr); - -int writepng_encode_finish(mainprog_info *mainprog_ptr); - -void writepng_cleanup(mainprog_info *mainprog_ptr); diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/decoder/README b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/decoder/README deleted file mode 100644 index 4f71082e4e1..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/decoder/README +++ /dev/null @@ -1,6 +0,0 @@ -This demonstrates the use of PNG_USER_CONFIG and pngusr.h - -To build a minimal read-only decoder, run - gather.sh # to collect needed files from pngminus, libpng, and zlib - make -f makefile.std - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/decoder/gather.sh b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/decoder/gather.sh deleted file mode 100755 index e28ddaf035c..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/decoder/gather.sh +++ /dev/null @@ -1,8 +0,0 @@ -cp ../../pngminus/png2pnm.c pngm2pnm.c -cp ../../../*.h . -cp ../../../*.c . -rm example.c pnggccrd.c pngvcrd.c pngtest.c pngpread.c -# change the following 2 lines if zlib is somewhere else -cp ../../../../zlib/*.h . -cp ../../../../zlib/*.c . -rm minigzip.c example.c compress.c deflate.c diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/decoder/makefile.std b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/decoder/makefile.std deleted file mode 100644 index 27e04cbdee0..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/decoder/makefile.std +++ /dev/null @@ -1,44 +0,0 @@ -# Makefile for PngMinus (pngm2pnm) -# Linux / Unix - -#CC=cc -CC=gcc -LD=$(CC) - -RM=rm -f - -CFLAGS=-DPNG_USER_CONFIG -DNO_GZCOMPRESS -DNO_GZIP \ - -DdeflateParams\(a,b,c\)=Z_OK -I. -O1 - -C=.c -O=.o -L=.a -E= - -ZOBJS = adler32$(O) crc32$(O) gzio$(O) \ - infback$(O) inffast$(O) inflate$(O) inftrees$(O) \ - trees$(O) uncompr$(O) zutil$(O) - -OBJS = pngm2pnm$(O) png$(O) pngerror$(O) pngget$(O) pngmem$(O) \ - pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) \ - pngset$(O) pngtrans$(O) $(ZOBJS) - -# implicit make rules ------------------------------------------------------- - -.c$(O): png.h pngconf.h pngusr.h zlib.h - $(CC) -c $(CFLAGS) $< - -# dependencies - -all: pngm2pnm$(E) - -pngm2pnm$(E): $(OBJS) - $(LD) -o pngm2pnm$(E) $(OBJS) - strip pngm2pnm$(E) - -clean: - $(RM) pngm2pnm$(O) - $(RM) pngm2pnm$(E) - $(RM) $(OBJS) - -# End of makefile for pngm2pnm diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/decoder/pngusr.h b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/decoder/pngusr.h deleted file mode 100644 index f94b83a6641..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/decoder/pngusr.h +++ /dev/null @@ -1,67 +0,0 @@ -/* minrdpngconf.h: headers to make a minimal png-read-only library - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 2007 Glenn Randers-Pehrson - * Derived from pngcrush.h, Copyright 1998-2007, Glenn Randers-Pehrson - */ - -#ifndef MINRDPNGCONF_H -#define MINRDPNGCONF_H - -#define PNG_NO_GLOBAL_ARRAYS - -#define PNG_NO_WARNINGS -#define png_warning(s1,s2) "" -#define png_chunk_warning(s1,s2) "" -#define PNG_NO_ERROR_TEXT -#define png_error(s1,s2) png_err(s1) -#define png_chunk_error(s1,s2) png_err(s1) - -#define PNG_NO_ASSEMBLER_CODE -#define PNG_NO_OPTIMIZED_CODE -#define PNG_NO_READ_GAMMA -#define PNG_NO_READ_BACKGROUND -#define PNG_NO_READ_DITHER -#define PNG_NO_READ_INVERT -#define PNG_NO_READ_SHIFT -#define PNG_NO_READ_PACK -#define PNG_NO_READ_PACKSWAP -#define PNG_NO_READ_FILLER -#define PNG_NO_READ_SWAP_ALPHA -#define PNG_NO_READ_INVERT_ALPHA -#define PNG_NO_READ_RGB_TO_GRAY -#define PNG_NO_READ_USER_TRANSFORM -#define PNG_NO_READ_bKGD -#define PNG_NO_READ_cHRM -#define PNG_NO_READ_gAMA -#define PNG_NO_READ_hIST -#define PNG_NO_READ_iCCP -#define PNG_NO_READ_pCAL -#define PNG_NO_READ_pHYs -#define PNG_NO_READ_sBIT -#define PNG_NO_READ_sCAL -#define PNG_NO_READ_sPLT -#define PNG_NO_READ_TEXT -#define PNG_NO_READ_tIME -#define PNG_NO_READ_UNKNOWN_CHUNKS -#define PNG_NO_READ_USER_CHUNKS -#define PNG_NO_READ_EMPTY_PLTE -#define PNG_NO_READ_OPT_PLTE -#define PNG_NO_READ_STRIP_ALPHA -#define PNG_NO_READ_oFFs -#define PNG_NO_WARN_UNINITIALIZED_ROW - -#define PNG_NO_WRITE_SUPPORTED - -#define PNG_NO_INFO_IMAGE -#define PNG_NO_USER_MEM -#define PNG_NO_FIXED_POINT_SUPPORTED -#define PNG_NO_MNG_FEATURES -#define PNG_NO_USER_TRANSFORM_PTR -#define PNG_NO_HANDLE_AS_UNKNOWN -#define PNG_NO_CONSOLE_IO -#define PNG_NO_ZALLOC_ZERO -#define PNG_NO_ERROR_NUMBERS -#define PNG_NO_EASY_ACCESS -#define PNG_NO_PROGRESSIVE_READ - -#endif /* MINRDPNGCONF_H */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/README b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/README deleted file mode 100644 index 4a68fc8952e..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/README +++ /dev/null @@ -1,6 +0,0 @@ -This demonstrates the use of PNG_USER_CONFIG and pngusr.h - -To build a minimal write-only encoder, run - gather.sh # to collect needed files from pngminus, libpng, and zlib - make -f makefile.std - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/dummy_inflate.c b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/dummy_inflate.c deleted file mode 100644 index 1422edb4377..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/dummy_inflate.c +++ /dev/null @@ -1,27 +0,0 @@ -#include "zlib.h" - -int ZEXPORT inflate(strm, flush) -z_streamp strm; -int flush; -{ return Z_OK ; } - -int ZEXPORT inflateReset(strm) -z_streamp strm; -{ return Z_OK ; } - -int ZEXPORT inflateEnd(strm) -z_streamp strm; -{ return Z_STREAM_ERROR ; } - -int ZEXPORT inflateInit_(strm, version, stream_size) -z_streamp strm; -const char *version; -int stream_size; -{ return Z_OK ; } - -int ZEXPORT inflateInit2_(strm, windowBits, version, stream_size) -z_streamp strm; -int windowBits; -const char *version; -int stream_size; -{ return Z_STREAM_ERROR ; } diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/gather.sh b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/gather.sh deleted file mode 100755 index 7b0c8036511..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/gather.sh +++ /dev/null @@ -1,9 +0,0 @@ -cp ../../pngminus/pnm2png.c pnm2pngm.c -cp ../../../*.h . -cp ../../../*.c . -rm example.c pnggccrd.c pngvcrd.c pngtest.c pngr*.c -# Change the next 2 lines if zlib is somewhere else. -cp ../../../../zlib/*.h . -cp ../../../../zlib/*.c . -rm inf*.[ch] -rm minigzip.c example.c diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/makefile.std b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/makefile.std deleted file mode 100644 index 1182b5b2342..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/makefile.std +++ /dev/null @@ -1,43 +0,0 @@ -# Makefile for PngMinus (pnm2pngm) -# Linux / Unix - -#CC=cc -CC=gcc -LD=$(CC) - -RM=rm -f - -CFLAGS=-DPNG_USER_CONFIG -DNO_GZIP -I. -O1 - -C=.c -O=.o -L=.a -E= - -ZOBJS = adler32$(O) compress$(O) crc32$(O) deflate$(O) gzio$(O) \ - dummy_inflate$(O) \ - trees$(O) uncompr$(O) zutil$(O) - -OBJS = pnm2pngm$(O) png$(O) pngerror$(O) pngget$(O) pngmem$(O) \ - pngset$(O) pngtrans$(O) pngwio$(O) pngwrite$(O) \ - pngwtran$(O) pngwutil$(O) $(ZOBJS) - -# implicit make rules ------------------------------------------------------- - -.c$(O): png.h pngconf.h pngusr.h zlib.h - $(CC) -c $(CFLAGS) $< - -# dependencies - -all: pnm2pngm$(E) - -pnm2pngm$(E): $(OBJS) - $(LD) -o pnm2pngm$(E) $(OBJS) - strip pnm2pngm$(E) - -clean: - $(RM) pnm2pngm$(O) - $(RM) pnm2pngm$(E) - $(RM) $(OBJS) - -# End of makefile for pnm2pngm diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/pngusr.h b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/pngusr.h deleted file mode 100644 index 904673abb12..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminim/encoder/pngusr.h +++ /dev/null @@ -1,66 +0,0 @@ -/* minwrpngconf.h: headers to make a minimal png-write-only library - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 2007 Glenn Randers-Pehrson - * Derived from pngcrush.h, Copyright 1998-2007, Glenn Randers-Pehrson - */ - -#ifndef MINWRPNGCONF_H -#define MINWRPNGCONF_H - -#define PNG_NO_GLOBAL_ARRAYS - -#define PNG_NO_READ_SUPPORTED - -#define PNG_NO_WARNINGS -#define png_warning(s1,s2) "" -#define png_chunk_warning(s1,s2) "" -#define PNG_NO_ERROR_TEXT -#define png_error(s1,s2) png_err(s1) -#define png_chunk_error(s1,s2) png_err(s1) - -#define PNG_NO_WRITE_BACKGROUND -#define PNG_NO_WRITE_GAMMA -#define PNG_NO_WRITE_DITHER -#define PNG_NO_WRITE_INVERT -#define PNG_NO_WRITE_SHIFT -#define PNG_NO_WRITE_PACK -#define PNG_NO_WRITE_PACKSWAP -#define PNG_NO_WRITE_FILLER -#define PNG_NO_WRITE_SWAP_ALPHA -#define PNG_NO_WRITE_INVERT_ALPHA -#define PNG_NO_WRITE_RGB_TO_GRAY -#define PNG_NO_WRITE_USER_TRANSFORM -#define PNG_NO_WRITE_bKGD -#define PNG_NO_WRITE_cHRM -#define PNG_NO_WRITE_gAMA -#define PNG_NO_WRITE_sRGB -#define PNG_NO_WRITE_hIST -#define PNG_NO_WRITE_iCCP -#define PNG_NO_WRITE_oFFs -#define PNG_NO_WRITE_pCAL -#define PNG_NO_WRITE_pHYs -#define PNG_NO_WRITE_sBIT -#define PNG_NO_WRITE_sCAL -#define PNG_NO_WRITE_sPLT -#define PNG_NO_WRITE_TEXT -#define PNG_NO_WRITE_tIME -#define PNG_NO_WRITE_UNKNOWN_CHUNKS -#define PNG_NO_WRITE_USER_CHUNKS -#define PNG_NO_WRITE_EMPTY_PLTE -#define PNG_NO_WRITE_OPT_PLTE -#define PNG_NO_WRITE_FILTER -#define PNG_NO_WRITE_WEIGHTED_FILTER -#define PNG_NO_WRITE_INTERLACING_SUPPORTED - -#define PNG_NO_INFO_IMAGE -#define PNG_NO_USER_MEM -#define PNG_NO_FIXED_POINT_SUPPORTED -#define PNG_NO_MNG_FEATURES -#define PNG_NO_USER_TRANSFORM_PTR -#define PNG_NO_HANDLE_AS_UNKNOWN -#define PNG_NO_CONSOLE_IO -#define PNG_NO_ZALLOC_ZERO -#define PNG_NO_ERROR_NUMBERS -#define PNG_NO_EASY_ACCESS - -#endif /* MINWRPNGCONF_H */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/README b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/README deleted file mode 100644 index bbe7407ecce..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/README +++ /dev/null @@ -1,153 +0,0 @@ -PngMinus --------- -(copyright Willem van Schaik, 1999) - - -License -------- - -Permission to use, copy, modify, and distribute this software and -its documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and -that both that copyright notice and this permission notice appear in -supporting documentation. This software is provided "as is" without -express or implied warranty. - - -Some history ------------- -Soon after the creation of PNG in 1995, the need was felt for a set of -pnmtopng / pngtopnm utilities. Independantly Alexander Lehmann and I -(Willem van Schaik) started such a project. Luckily we discovered this -and merged the two together into pnmtopng.tar.gz, which is available -from a/o ftp://ftp.simplesystems.org/pub/libpng/png/. - -These two utilities have many, many options and make use of most of the -features of PNG, like gamma, alpha, sbit, text-chunks, etc. This makes -the utilities quite complex and by now not anymore very maintainable. -When we wrote these programs, libpng was still in an early stage. -Therefore, lots of the functionality that we put in our software can now -be done using transform-functions in libpng. - -Finally, to compile these programs, you need to have installed and -compiled three libraries: libpng, zlib and netpbm. Especially the latter -makes the whole setup a bit bulky. But that's unavoidable given the many -features of pnmtopng. - - -What now --------- -At this moment libpng is in a very stable state and can do much of the -work done in pnmtopng. Also, pnmtopng needs to be upgraded to the new -interface of libpng. Hence, it is time for a rewrite from the ground up -of pnmtopng and pngtopnm. This will happen in the near future (stay -tuned). The new package will get a different name to distinguish it from -the old one: PngPlus. - -To experiment a bit with the new interface of libpng, I started off with -a small prototype that contains only the basic functionality. It doesn't -have any of the options to read or write special chunks and it will do -no gamma correction. But this makes it also a simple program that is -quite easy to understand and can serve well as a template for other -software developments. (By now there are of course a couple of programs, -like Greg Roelofs' rpng/wpng, that can be used just as good.) - - -Can and can not ---------------- -As this is the small brother of the future PngPlus, I called this fellow -PngMinus. Because I started this development in good-old Turbo-C, I -avoided the use the netpbm library, which requires DOS extenders. Again, -another reason to call it PngMinus (minus netpbm :-). So, part of the -program are some elementary routines to read / write pgm- and ppm-files. -It does not read b&w pbm-files. - -The downside of this approach is that you can not use them on images -that require blocks of memory bigger than 64k (the DOS version). For -larger images you will get an out-of-memory error. - -As said before, PngMinus doesn't correct for gamma. When reading -png-files you can do this just as well by piping the output of png2pnm -to pnmgamma, one of the standard PbmPlus tools. This same scenario will -most probably also be followed in the full-blown future PngPlus, with -the addition of course of the possibility to create gamma-chunks when -writing png-files. - -On the other hand it supports alpha-channels. When reading a png-image -you can write the alpha-channel into a pgm-file. And when creating an -RGB+A png-image, you just combine a ppm-file with a corresponding -pgm-file containing the alpha-channel. When reading, transparency chunks -are converted into an alpha-channel and from there on treated the same -way. - -Finally you can opt for writing ascii or binary pgm- and ppm-files. When -the bit-depth is 16, the format will always be ascii. - - -Using it --------- -To distinguish them from pnmtopng and PngPlus, the utilities are named -png2pnm and pnm2png (2 instead of to). The input- and output-files can -be given as parameters or through redirection. Therefore the programs -can be part of a pipe. - -To list the options type "png2pnm -h" or "pnm2png -h". - - -Just like Scandinavian furniture --------------------------------- -You have to put it together yourself. I did test the software under -MS-DOS with Turbo-C 3.0 and under RedHat Linux 4.2 with gcc. In both -cases I used libpng-1.0.4 and zlib-1.1.3. Later versions should be OK, -however some older libpng versions have a bug in pngmem.c when using -Turbo-C 3.0 (see below). - -You can build it using one of the two makefiles (make -f makefile.###) -or use the batch/script files pngminus.bat / pngminus.sh. This assumes -that you have built the libraries in ../libpng and ../zlib. Using Linux, -make sure that you have built libpng with makefile.std and not -makefile.linux (also called .lnx in earlier versions of libpng). The -latter creates a .so shared-library, while the PngMinus makefile assumes -a normal .a static library. - -If you create a ../pngsuite directory and then store the basn####.png -files from PngSuite (http://www.schaik.com/pngsuite/) in there, you can -test in one go the proper functioning of PngMinus, see png2pnm.bat and -pnm2png.bat (or the .sh versions). - - -Warranty -------- -Please, remember that this was just a small experiment to learn a few -things. It will have many unforeseen features . Who said bugs? Use -it when you are in need for something simple or when you want to start -developing your own stuff. - - -The Turbo bug -------------- -** pngmem.old - hptr = (png_byte huge *)((long)(hptr) & 0xfffffff0L); - hptr += 16L; -** pngmem.c - hptr = (png_byte huge *)((long)(hptr) & 0xfffffff0L); - hptr = hptr + 16L; -** - -** pngmem.old - png_ptr->offset_table_ptr[i] = (png_bytep)hptr; - hptr += (png_uint_32)65536L; -** pngmem.c - png_ptr->offset_table_ptr[i] = (png_bytep)hptr; - hptr = hptr + 65536L; -** - - -The end -------- -Willem van Schaik -mailto:willem@schaik.com -http://www.schaik.com/png/ -------- -Oct 1999 - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/makefile.std b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/makefile.std deleted file mode 100644 index 2fb061bbe2c..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/makefile.std +++ /dev/null @@ -1,65 +0,0 @@ -# Makefile for PngMinus (png2pnm and pnm2png) -# Linux / Unix - -#CC=cc -CC=gcc -LD=$(CC) - -RM=rm -f - -#PNGPATH = /usr/local -#PNGINC = -I$(PNGPATH)/include/libpng12 -#PNGLIB = -L$(PNGPATH)/lib -lpng12 -#PNGLIBS = $(PNGPATH)/lib/libpng12.a -PNGINC = -I../.. -PNGLIB = -L../.. -lpng -PNGLIBS = ../../libpng.a - -#ZPATH = /usr/local -#ZINC = -I$(ZPATH)/include -#ZLIB = -L$(ZPATH)/lib -lz -#ZLIBS = $(ZPATH)/lib/libz.a -ZINC = -I../../../zlib -ZLIB = -L../../../zlib -lz -ZLIBS = ../../../zlib/libz.a - -CFLAGS=-O3 $(PNGINC) $(ZINC) -LDFLAGS=$(PNGLIB) $(ZLIB) -LDFLAGSS=$(PNGLIBS) $(ZLIBS) -C=.c -O=.o -L=.a -E= - -# dependencies - -#all: png2pnm$(E) pnm2png$(E) -all: png2pnm$(E) pnm2png$(E) png2pnm-static$(E) pnm2png-static$(E) - -png2pnm$(O): png2pnm$(C) - $(CC) -c $(CFLAGS) png2pnm$(C) - -png2pnm$(E): png2pnm$(O) - $(LD) -o png2pnm$(E) png2pnm$(O) $(LDFLAGS) -lm - -png2pnm-static$(E): png2pnm$(O) - $(LD) -o png2pnm-static$(E) png2pnm$(O) $(LDFLAGSS) -lm - -pnm2png$(O): pnm2png$(C) - $(CC) -c $(CFLAGS) pnm2png$(C) - -pnm2png$(E): pnm2png$(O) - $(LD) -o pnm2png$(E) pnm2png$(O) $(LDFLAGS) -lm - -pnm2png-static$(E): pnm2png$(O) - $(LD) -o pnm2png-static$(E) pnm2png$(O) $(LDFLAGSS) -lm - -clean: - $(RM) png2pnm$(O) - $(RM) pnm2png$(O) - $(RM) png2pnm$(E) - $(RM) pnm2png$(E) - $(RM) png2pnm-static$(E) - $(RM) pnm2png-static$(E) - -# End of makefile for png2pnm / pnm2png diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/makefile.tc3 b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/makefile.tc3 deleted file mode 100644 index 404f18d5b15..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/makefile.tc3 +++ /dev/null @@ -1,38 +0,0 @@ -# Makefile for PngMinus (png2pnm and pnm2png) -# TurboC++ 3.0 - -CC=tcc -Ic:\tc3\inc -LD=tcc -Lc:\tc3\lib -LB=tlib -RM=del -CP=copy -MODEL=l -CCFLAGS=-O -m$(MODEL) -I..\libpng -I..\zlib -LDFLAGS=-m$(MODEL) -L..\libpng -L..\zlib -C=.c -O=.obj -L=.lib -E=.exe - -# dependencies - -all: png2pnm$(E) pnm2png$(E) - -png2pnm$(O): png2pnm$(C) - $(CC) -c $(CCFLAGS) png2pnm$(C) - -png2pnm$(E): png2pnm$(O) - $(LD) $(LDFLAGS) png2pnm$(O) libpng$(L) zlib$(L) - -pnm2png$(O): pnm2png$(C) - $(CC) -c $(CCFLAGS) pnm2png$(C) - -pnm2png$(E): pnm2png$(O) - $(LD) $(LDFLAGS) pnm2png$(O) libpng$(L) zlib$(L) - -clean: - $(RM) *$(O) - $(RM) *$(E) - -# End of makefile for png2pnm / pnm2png - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/makevms.com b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/makevms.com deleted file mode 100644 index 00561bcd0d7..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/makevms.com +++ /dev/null @@ -1,92 +0,0 @@ -$!------------------------------------------------------------------------------ -$! make Contrib programs of libpng under OpenVMS -$! -$! -$! Look for the compiler used -$! -$ zlibsrc = "[---.zlib]" -$ ccopt="/include=(''zlibsrc',[--])" -$ if f$getsyi("HW_MODEL").ge.1024 -$ then -$ ccopt = "/prefix=all"+ccopt -$ comp = "__decc__=1" -$ if f$trnlnm("SYS").eqs."" then define sys sys$library: -$ else -$ if f$search("SYS$SYSTEM:DECC$COMPILER.EXE").eqs."" -$ then -$ if f$trnlnm("SYS").eqs."" then define sys sys$library: -$ if f$search("SYS$SYSTEM:VAXC.EXE").eqs."" -$ then -$ comp = "__gcc__=1" -$ CC :== GCC -$ else -$ comp = "__vaxc__=1" -$ endif -$ else -$ if f$trnlnm("SYS").eqs."" then define sys decc$library_include: -$ ccopt = "/decc/prefix=all"+ccopt -$ comp = "__decc__=1" -$ endif -$ endif -$ open/write lopt lib.opt -$ write lopt "[--]libpng.olb/lib" -$ write lopt "''zlibsrc'libz.olb/lib" -$ close lopt -$ open/write xopt x11.opt -$ write xopt "sys$library:decw$xlibshr.exe/share" -$ close xopt -$ write sys$output "Compiling PNG contrib programs ..." -$ write sys$output "Building pnm2png..." -$ CALL MAKE pnm2png.OBJ "cc ''CCOPT' pnm2png" - - pnm2png.c -$ call make pnm2png.exe - - "LINK pnm2png,lib.opt/opt" - - pnm2png.obj -$ write sys$output "Building png2pnm..." -$ CALL MAKE png2pnm.OBJ "cc ''CCOPT' png2pnm" - - png2pnm.c -$ call make png2pnm.exe - - "LINK png2pnm,lib.opt/opt" - - png2pnm.obj -$ exit -$! -$! -$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES -$ V = 'F$Verify(0) -$! P1 = What we are trying to make -$! P2 = Command to make it -$! P3 - P8 What it depends on -$ -$ If F$Search(P1) .Eqs. "" Then Goto Makeit -$ Time = F$CvTime(F$File(P1,"RDT")) -$arg=3 -$Loop: -$ Argument = P'arg -$ If Argument .Eqs. "" Then Goto Exit -$ El=0 -$Loop2: -$ File = F$Element(El," ",Argument) -$ If File .Eqs. " " Then Goto Endl -$ AFile = "" -$Loop3: -$ OFile = AFile -$ AFile = F$Search(File) -$ If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl -$ If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit -$ Goto Loop3 -$NextEL: -$ El = El + 1 -$ Goto Loop2 -$EndL: -$ arg=arg+1 -$ If arg .Le. 8 Then Goto Loop -$ Goto Exit -$ -$Makeit: -$ VV=F$VERIFY(0) -$ write sys$output P2 -$ 'P2 -$ VV='F$Verify(VV) -$Exit: -$ If V Then Set Verify -$ENDSUBROUTINE diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/png2pnm.bat b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/png2pnm.bat deleted file mode 100755 index 449cf36750b..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/png2pnm.bat +++ /dev/null @@ -1,41 +0,0 @@ -REM -- grayscale -png2pnm.exe -noraw ..\pngsuite\basn0g01.png basn0g01.pgm -png2pnm.exe -noraw ..\pngsuite\basn0g02.png basn0g02.pgm -png2pnm.exe -noraw ..\pngsuite\basn0g04.png basn0g04.pgm -png2pnm.exe -noraw ..\pngsuite\basn0g08.png basn0g08.pgm -png2pnm.exe -noraw ..\pngsuite\basn0g16.png basn0g16.pgm -REM -- full-color -png2pnm.exe -noraw ..\pngsuite\basn2c08.png basn2c08.ppm -png2pnm.exe -noraw ..\pngsuite\basn2c16.png basn2c16.ppm -REM -- palletted -png2pnm.exe -noraw ..\pngsuite\basn3p01.png basn3p01.ppm -png2pnm.exe -noraw ..\pngsuite\basn3p02.png basn3p02.ppm -png2pnm.exe -noraw ..\pngsuite\basn3p04.png basn3p04.ppm -png2pnm.exe -noraw ..\pngsuite\basn3p08.png basn3p08.ppm -REM -- gray with alpha-channel -png2pnm.exe -noraw ..\pngsuite\basn4a08.png basn4a08.pgm -png2pnm.exe -noraw ..\pngsuite\basn4a16.png basn4a16.pgm -REM -- color with alpha-channel -png2pnm.exe -noraw -alpha basn6a08.pgm ..\pngsuite\basn6a08.png basn6a08.ppm -png2pnm.exe -noraw -alpha basn6a16.pgm ..\pngsuite\basn6a16.png basn6a16.ppm -REM -- grayscale -png2pnm.exe -raw ..\pngsuite\basn0g01.png rawn0g01.pgm -png2pnm.exe -raw ..\pngsuite\basn0g02.png rawn0g02.pgm -png2pnm.exe -raw ..\pngsuite\basn0g04.png rawn0g04.pgm -png2pnm.exe -raw ..\pngsuite\basn0g08.png rawn0g08.pgm -png2pnm.exe -raw ..\pngsuite\basn0g16.png rawn0g16.pgm -REM -- full-color -png2pnm.exe -raw ..\pngsuite\basn2c08.png rawn2c08.ppm -png2pnm.exe -raw ..\pngsuite\basn2c16.png rawn2c16.ppm -REM -- palletted -png2pnm.exe -raw ..\pngsuite\basn3p01.png rawn3p01.ppm -png2pnm.exe -raw ..\pngsuite\basn3p02.png rawn3p02.ppm -png2pnm.exe -raw ..\pngsuite\basn3p04.png rawn3p04.ppm -png2pnm.exe -raw ..\pngsuite\basn3p08.png rawn3p08.ppm -REM -- gray with alpha-channel -png2pnm.exe -raw ..\pngsuite\basn4a08.png rawn4a08.pgm -png2pnm.exe -raw ..\pngsuite\basn4a16.png rawn4a16.pgm -REM -- color with alpha-channel -png2pnm.exe -noraw -alpha rawn6a08.pgm ..\pngsuite\basn6a08.png rawn6a08.ppm -png2pnm.exe -noraw -alpha rawn6a16.pgm ..\pngsuite\basn6a16.png rawn6a16.ppm - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/png2pnm.c b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/png2pnm.c deleted file mode 100644 index 010870a766a..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/png2pnm.c +++ /dev/null @@ -1,430 +0,0 @@ -/* - * png2pnm.c --- conversion from PNG-file to PGM/PPM-file - * copyright (C) 1999 by Willem van Schaik - * - * version 1.0 - 1999.10.15 - First version. - * - * Permission to use, copy, modify, and distribute this software and - * its documentation for any purpose and without fee is hereby granted, - * provided that the above copyright notice appear in all copies and - * that both that copyright notice and this permission notice appear in - * supporting documentation. This software is provided "as is" without - * express or implied warranty. - */ - -#include -#include -#ifdef __TURBOC__ -#include -#include -#endif - -#ifndef BOOL -#define BOOL unsigned char -#endif -#ifndef TRUE -#define TRUE (BOOL) 1 -#endif -#ifndef FALSE -#define FALSE (BOOL) 0 -#endif - -#ifdef __TURBOC__ -#define STDIN 0 -#define STDOUT 1 -#define STDERR 2 -#endif - -/* to make png2pnm verbose so we can find problems (needs to be before png.h) */ -#ifndef PNG_DEBUG -#define PNG_DEBUG 0 -#endif - -#include "png.h" - -/* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */ -#ifndef png_jmpbuf -# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf) -#endif - -/* function prototypes */ - -int main (int argc, char *argv[]); -void usage (); -BOOL png2pnm (FILE *png_file, FILE *pnm_file, FILE *alpha_file, BOOL raw, BOOL alpha); - -/* - * main - */ - -int main(int argc, char *argv[]) -{ - FILE *fp_rd = stdin; - FILE *fp_wr = stdout; - FILE *fp_al = NULL; - BOOL raw = TRUE; - BOOL alpha = FALSE; - int argi; - - for (argi = 1; argi < argc; argi++) - { - if (argv[argi][0] == '-') - { - switch (argv[argi][1]) - { - case 'n': - raw = FALSE; - break; - case 'r': - raw = TRUE; - break; - case 'a': - alpha = TRUE; - argi++; - if ((fp_al = fopen (argv[argi], "wb")) == NULL) - { - fprintf (stderr, "PNM2PNG\n"); - fprintf (stderr, "Error: can not create alpha-channel file %s\n", argv[argi]); - exit (1); - } - break; - case 'h': - case '?': - usage(); - exit(0); - break; - default: - fprintf (stderr, "PNG2PNM\n"); - fprintf (stderr, "Error: unknown option %s\n", argv[argi]); - usage(); - exit(1); - break; - } /* end switch */ - } - else if (fp_rd == stdin) - { - if ((fp_rd = fopen (argv[argi], "rb")) == NULL) - { - fprintf (stderr, "PNG2PNM\n"); - fprintf (stderr, "Error: file %s does not exist\n", argv[argi]); - exit (1); - } - } - else if (fp_wr == stdout) - { - if ((fp_wr = fopen (argv[argi], "wb")) == NULL) - { - fprintf (stderr, "PNG2PNM\n"); - fprintf (stderr, "Error: can not create file %s\n", argv[argi]); - exit (1); - } - } - else - { - fprintf (stderr, "PNG2PNM\n"); - fprintf (stderr, "Error: too many parameters\n"); - usage(); - exit(1); - } - } /* end for */ - -#ifdef __TURBOC__ - /* set stdin/stdout if required to binary */ - if (fp_rd == stdin) - { - setmode (STDIN, O_BINARY); - } - if ((raw) && (fp_wr == stdout)) - { - setmode (STDOUT, O_BINARY); - } -#endif - - /* call the conversion program itself */ - if (png2pnm (fp_rd, fp_wr, fp_al, raw, alpha) == FALSE) - { - fprintf (stderr, "PNG2PNM\n"); - fprintf (stderr, "Error: unsuccessful convertion of PNG-image\n"); - exit(1); - } - - /* close input file */ - fclose (fp_rd); - /* close output file */ - fclose (fp_wr); - /* close alpha file */ - if (alpha) - fclose (fp_al); - - return 0; -} - -/* - * usage - */ - -void usage() -{ - fprintf (stderr, "PNG2PNM\n"); - fprintf (stderr, " by Willem van Schaik, 1999\n"); -#ifdef __TURBOC__ - fprintf (stderr, " for Turbo-C and Borland-C compilers\n"); -#else - fprintf (stderr, " for Linux (and Unix) compilers\n"); -#endif - fprintf (stderr, "Usage: png2pnm [options] .png [.pnm]\n"); - fprintf (stderr, " or: ... | png2pnm [options]\n"); - fprintf (stderr, "Options:\n"); - fprintf (stderr, " -r[aw] write pnm-file in binary format (P4/P5/P6) (default)\n"); - fprintf (stderr, " -n[oraw] write pnm-file in ascii format (P1/P2/P3)\n"); - fprintf (stderr, " -a[lpha] .pgm write PNG alpha channel as pgm-file\n"); - fprintf (stderr, " -h | -? print this help-information\n"); -} - -/* - * png2pnm - */ - -BOOL png2pnm (FILE *png_file, FILE *pnm_file, FILE *alpha_file, BOOL raw, BOOL alpha) -{ - png_struct *png_ptr = NULL; - png_info *info_ptr = NULL; - png_byte buf[8]; - png_byte *png_pixels = NULL; - png_byte **row_pointers = NULL; - png_byte *pix_ptr = NULL; - png_uint_32 row_bytes; - - png_uint_32 width; - png_uint_32 height; - int bit_depth; - int channels; - int color_type; - int alpha_present; - int row, col; - int ret; - int i; - long dep_16; - - /* read and check signature in PNG file */ - ret = fread (buf, 1, 8, png_file); - if (ret != 8) - return FALSE; - - ret = png_check_sig (buf, 8); - if (!ret) - return FALSE; - - /* create png and info structures */ - - png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, - NULL, NULL, NULL); - if (!png_ptr) - return FALSE; /* out of memory */ - - info_ptr = png_create_info_struct (png_ptr); - if (!info_ptr) - { - png_destroy_read_struct (&png_ptr, NULL, NULL); - return FALSE; /* out of memory */ - } - - if (setjmp (png_jmpbuf(png_ptr))) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - return FALSE; - } - - /* set up the input control for C streams */ - png_init_io (png_ptr, png_file); - png_set_sig_bytes (png_ptr, 8); /* we already read the 8 signature bytes */ - - /* read the file information */ - png_read_info (png_ptr, info_ptr); - - /* get size and bit-depth of the PNG-image */ - png_get_IHDR (png_ptr, info_ptr, - &width, &height, &bit_depth, &color_type, - NULL, NULL, NULL); - - /* set-up the transformations */ - - /* transform paletted images into full-color rgb */ - if (color_type == PNG_COLOR_TYPE_PALETTE) - png_set_expand (png_ptr); - /* expand images to bit-depth 8 (only applicable for grayscale images) */ - if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) - png_set_expand (png_ptr); - /* transform transparency maps into full alpha-channel */ - if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS)) - png_set_expand (png_ptr); - -#ifdef NJET - /* downgrade 16-bit images to 8 bit */ - if (bit_depth == 16) - png_set_strip_16 (png_ptr); - /* transform grayscale images into full-color */ - if (color_type == PNG_COLOR_TYPE_GRAY || - color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - png_set_gray_to_rgb (png_ptr); - /* only if file has a file gamma, we do a correction */ - if (png_get_gAMA (png_ptr, info_ptr, &file_gamma)) - png_set_gamma (png_ptr, (double) 2.2, file_gamma); -#endif - - /* all transformations have been registered; now update info_ptr data, - * get rowbytes and channels, and allocate image memory */ - - png_read_update_info (png_ptr, info_ptr); - - /* get the new color-type and bit-depth (after expansion/stripping) */ - png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, - NULL, NULL, NULL); - - /* check for 16-bit files */ - if (bit_depth == 16) - { - raw = FALSE; -#ifdef __TURBOC__ - pnm_file->flags &= ~((unsigned) _F_BIN); -#endif - } - - /* calculate new number of channels and store alpha-presence */ - if (color_type == PNG_COLOR_TYPE_GRAY) - channels = 1; - else if (color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - channels = 2; - else if (color_type == PNG_COLOR_TYPE_RGB) - channels = 3; - else if (color_type == PNG_COLOR_TYPE_RGB_ALPHA) - channels = 4; - else - channels = 0; /* should never happen */ - alpha_present = (channels - 1) % 2; - - /* check if alpha is expected to be present in file */ - if (alpha && !alpha_present) - { - fprintf (stderr, "PNG2PNM\n"); - fprintf (stderr, "Error: PNG-file doesn't contain alpha channel\n"); - exit (1); - } - - /* row_bytes is the width x number of channels x (bit-depth / 8) */ - row_bytes = png_get_rowbytes (png_ptr, info_ptr); - - if ((png_pixels = (png_byte *) malloc (row_bytes * height * sizeof (png_byte))) == NULL) { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - return FALSE; - } - - if ((row_pointers = (png_byte **) malloc (height * sizeof (png_bytep))) == NULL) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - free (png_pixels); - png_pixels = NULL; - return FALSE; - } - - /* set the individual row_pointers to point at the correct offsets */ - for (i = 0; i < (height); i++) - row_pointers[i] = png_pixels + i * row_bytes; - - /* now we can go ahead and just read the whole image */ - png_read_image (png_ptr, row_pointers); - - /* read rest of file, and get additional chunks in info_ptr - REQUIRED */ - png_read_end (png_ptr, info_ptr); - - /* clean up after the read, and free any memory allocated - REQUIRED */ - png_destroy_read_struct (&png_ptr, &info_ptr, (png_infopp) NULL); - - /* write header of PNM file */ - - if ((color_type == PNG_COLOR_TYPE_GRAY) || - (color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) - { - fprintf (pnm_file, "%s\n", (raw) ? "P5" : "P2"); - fprintf (pnm_file, "%d %d\n", (int) width, (int) height); - fprintf (pnm_file, "%ld\n", ((1L << (int) bit_depth) - 1L)); - } - else if ((color_type == PNG_COLOR_TYPE_RGB) || - (color_type == PNG_COLOR_TYPE_RGB_ALPHA)) - { - fprintf (pnm_file, "%s\n", (raw) ? "P6" : "P3"); - fprintf (pnm_file, "%d %d\n", (int) width, (int) height); - fprintf (pnm_file, "%ld\n", ((1L << (int) bit_depth) - 1L)); - } - - /* write header of PGM file with alpha channel */ - - if ((alpha) && - ((color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || - (color_type == PNG_COLOR_TYPE_RGB_ALPHA))) - { - fprintf (alpha_file, "%s\n", (raw) ? "P5" : "P2"); - fprintf (alpha_file, "%d %d\n", (int) width, (int) height); - fprintf (alpha_file, "%ld\n", ((1L << (int) bit_depth) - 1L)); - } - - /* write data to PNM file */ - pix_ptr = png_pixels; - - for (row = 0; row < height; row++) - { - for (col = 0; col < width; col++) - { - for (i = 0; i < (channels - alpha_present); i++) - { - if (raw) - fputc ((int) *pix_ptr++ , pnm_file); - else - if (bit_depth == 16){ - dep_16 = (long) *pix_ptr++; - fprintf (pnm_file, "%ld ", (dep_16 << 8) + ((long) *pix_ptr++)); - } - else - fprintf (pnm_file, "%ld ", (long) *pix_ptr++); - } - if (alpha_present) - { - if (!alpha) - { - pix_ptr++; /* alpha */ - if (bit_depth == 16) - pix_ptr++; - } - else /* output alpha-channel as pgm file */ - { - if (raw) - fputc ((int) *pix_ptr++ , alpha_file); - else - if (bit_depth == 16){ - dep_16 = (long) *pix_ptr++; - fprintf (alpha_file, "%ld ", (dep_16 << 8) + (long) *pix_ptr++); - } - else - fprintf (alpha_file, "%ld ", (long) *pix_ptr++); - } - } /* if alpha_present */ - - if (!raw) - if (col % 4 == 3) - fprintf (pnm_file, "\n"); - } /* end for col */ - - if (!raw) - if (col % 4 != 0) - fprintf (pnm_file, "\n"); - } /* end for row */ - - if (row_pointers != (unsigned char**) NULL) - free (row_pointers); - if (png_pixels != (unsigned char*) NULL) - free (png_pixels); - - return TRUE; - -} /* end of source */ - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/png2pnm.sh b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/png2pnm.sh deleted file mode 100644 index b1c05370dff..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/png2pnm.sh +++ /dev/null @@ -1,42 +0,0 @@ -#!/bin/sh -# -- grayscale -./png2pnm -noraw ../pngsuite/basn0g01.png basn0g01.pgm -./png2pnm -noraw ../pngsuite/basn0g02.png basn0g02.pgm -./png2pnm -noraw ../pngsuite/basn0g04.png basn0g04.pgm -./png2pnm -noraw ../pngsuite/basn0g08.png basn0g08.pgm -./png2pnm -noraw ../pngsuite/basn0g16.png basn0g16.pgm -# -- full-color -./png2pnm -noraw ../pngsuite/basn2c08.png basn2c08.ppm -./png2pnm -noraw ../pngsuite/basn2c16.png basn2c16.ppm -# -- palletted -./png2pnm -noraw ../pngsuite/basn3p01.png basn3p01.ppm -./png2pnm -noraw ../pngsuite/basn3p02.png basn3p02.ppm -./png2pnm -noraw ../pngsuite/basn3p04.png basn3p04.ppm -./png2pnm -noraw ../pngsuite/basn3p08.png basn3p08.ppm -# -- gray with alpha-channel -./png2pnm -noraw ../pngsuite/basn4a08.png basn4a08.pgm -./png2pnm -noraw ../pngsuite/basn4a16.png basn4a16.pgm -# -- color with alpha-channel -./png2pnm -noraw -alpha basn6a08.pgm ../pngsuite/basn6a08.png basn6a08.ppm -./png2pnm -noraw -alpha basn6a16.pgm ../pngsuite/basn6a16.png basn6a16.ppm -# -- grayscale -./png2pnm -raw ../pngsuite/basn0g01.png rawn0g01.pgm -./png2pnm -raw ../pngsuite/basn0g02.png rawn0g02.pgm -./png2pnm -raw ../pngsuite/basn0g04.png rawn0g04.pgm -./png2pnm -raw ../pngsuite/basn0g08.png rawn0g08.pgm -./png2pnm -raw ../pngsuite/basn0g16.png rawn0g16.pgm -# -- full-color -./png2pnm -raw ../pngsuite/basn2c08.png rawn2c08.ppm -./png2pnm -raw ../pngsuite/basn2c16.png rawn2c16.ppm -# -- palletted -./png2pnm -raw ../pngsuite/basn3p01.png rawn3p01.ppm -./png2pnm -raw ../pngsuite/basn3p02.png rawn3p02.ppm -./png2pnm -raw ../pngsuite/basn3p04.png rawn3p04.ppm -./png2pnm -raw ../pngsuite/basn3p08.png rawn3p08.ppm -# -- gray with alpha-channel -./png2pnm -raw ../pngsuite/basn4a08.png rawn4a08.pgm -./png2pnm -raw ../pngsuite/basn4a16.png rawn4a16.pgm -# -- color with alpha-channel -./png2pnm -noraw -alpha rawn6a08.pgm ../pngsuite/basn6a08.png rawn6a08.ppm -./png2pnm -noraw -alpha rawn6a16.pgm ../pngsuite/basn6a16.png rawn6a16.ppm - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pngminus.bat b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pngminus.bat deleted file mode 100755 index 911bb8dff9e..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pngminus.bat +++ /dev/null @@ -1,4 +0,0 @@ -make -f makefile.tc3 -call png2pnm.bat -call pnm2png.bat - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pngminus.sh b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pngminus.sh deleted file mode 100644 index 2a0a9d8fbba..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pngminus.sh +++ /dev/null @@ -1,5 +0,0 @@ -#!/bin/sh -make -f makefile.std -sh png2pnm.sh -sh pnm2png.sh - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pnm2png.bat b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pnm2png.bat deleted file mode 100755 index f756cb84de4..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pnm2png.bat +++ /dev/null @@ -1,41 +0,0 @@ -REM -- grayscale -pnm2png.exe basn0g01.pgm basn0g01.png -pnm2png.exe basn0g02.pgm basn0g02.png -pnm2png.exe basn0g04.pgm basn0g04.png -pnm2png.exe basn0g08.pgm basn0g08.png -pnm2png.exe basn0g16.pgm basn0g16.png -REM -- full-color -pnm2png.exe basn2c08.ppm basn2c08.png -pnm2png.exe basn2c16.ppm basn2c16.png -REM -- palletted -pnm2png.exe basn3p01.ppm basn3p01.png -pnm2png.exe basn3p02.ppm basn3p02.png -pnm2png.exe basn3p04.ppm basn3p04.png -pnm2png.exe basn3p08.ppm basn3p08.png -REM -- gray with alpha-channel -pnm2png.exe -alpha basn6a08.pgm basn4a08.pgm basn4a08.png -pnm2png.exe -alpha basn6a16.pgm basn4a16.pgm basn4a16.png -REM -- color with alpha-channel -pnm2png.exe -alpha basn6a08.pgm basn6a08.ppm basn6a08.png -pnm2png.exe -alpha basn6a16.pgm basn6a16.ppm basn6a16.png -REM -- grayscale -pnm2png.exe rawn0g01.pgm rawn0g01.png -pnm2png.exe rawn0g02.pgm rawn0g02.png -pnm2png.exe rawn0g04.pgm rawn0g04.png -pnm2png.exe rawn0g08.pgm rawn0g08.png -pnm2png.exe rawn0g16.pgm rawn0g16.png -REM -- full-color -pnm2png.exe rawn2c08.ppm rawn2c08.png -pnm2png.exe rawn2c16.ppm rawn2c16.png -REM -- palletted -pnm2png.exe rawn3p01.ppm rawn3p01.png -pnm2png.exe rawn3p02.ppm rawn3p02.png -pnm2png.exe rawn3p04.ppm rawn3p04.png -pnm2png.exe rawn3p08.ppm rawn3p08.png -REM -- gray with alpha-channel -pnm2png.exe -alpha rawn6a08.pgm rawn4a08.pgm rawn4a08.png -pnm2png.exe -alpha rawn6a16.pgm rawn4a16.pgm rawn4a16.png -REM -- color with alpha-channel -pnm2png.exe -alpha rawn6a08.pgm rawn6a08.ppm rawn6a08.png -pnm2png.exe -alpha rawn6a16.pgm rawn6a16.ppm rawn6a16.png - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pnm2png.c b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pnm2png.c deleted file mode 100644 index 4cdfad83132..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pnm2png.c +++ /dev/null @@ -1,533 +0,0 @@ -/* - * pnm2png.c --- conversion from PBM/PGM/PPM-file to PNG-file - * copyright (C) 1999 by Willem van Schaik - * - * version 1.0 - 1999.10.15 - First version. - * - * Permission to use, copy, modify, and distribute this software and - * its documentation for any purpose and without fee is hereby granted, - * provided that the above copyright notice appear in all copies and - * that both that copyright notice and this permission notice appear in - * supporting documentation. This software is provided "as is" without - * express or implied warranty. - */ - -#include -#include -#ifdef __TURBOC__ -#include -#include -#endif - -#ifndef BOOL -#define BOOL unsigned char -#endif -#ifndef TRUE -#define TRUE (BOOL) 1 -#endif -#ifndef FALSE -#define FALSE (BOOL) 0 -#endif - -#define STDIN 0 -#define STDOUT 1 -#define STDERR 2 - -/* to make pnm2png verbose so we can find problems (needs to be before png.h) */ -#ifndef PNG_DEBUG -#define PNG_DEBUG 0 -#endif - -#include "png.h" - -/* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */ -#ifndef png_jmpbuf -# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf) -#endif - -/* function prototypes */ - -int main (int argc, char *argv[]); -void usage (); -BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace, BOOL alpha); -void get_token(FILE *pnm_file, char *token); -png_uint_32 get_data (FILE *pnm_file, int depth); -png_uint_32 get_value (FILE *pnm_file, int depth); - -/* - * main - */ - -int main(int argc, char *argv[]) -{ - FILE *fp_rd = stdin; - FILE *fp_al = NULL; - FILE *fp_wr = stdout; - BOOL interlace = FALSE; - BOOL alpha = FALSE; - int argi; - - for (argi = 1; argi < argc; argi++) - { - if (argv[argi][0] == '-') - { - switch (argv[argi][1]) - { - case 'i': - interlace = TRUE; - break; - case 'a': - alpha = TRUE; - argi++; - if ((fp_al = fopen (argv[argi], "rb")) == NULL) - { - fprintf (stderr, "PNM2PNG\n"); - fprintf (stderr, "Error: alpha-channel file %s does not exist\n", - argv[argi]); - exit (1); - } - break; - case 'h': - case '?': - usage(); - exit(0); - break; - default: - fprintf (stderr, "PNM2PNG\n"); - fprintf (stderr, "Error: unknown option %s\n", argv[argi]); - usage(); - exit(1); - break; - } /* end switch */ - } - else if (fp_rd == stdin) - { - if ((fp_rd = fopen (argv[argi], "rb")) == NULL) - { - fprintf (stderr, "PNM2PNG\n"); - fprintf (stderr, "Error: file %s does not exist\n", argv[argi]); - exit (1); - } - } - else if (fp_wr == stdout) - { - if ((fp_wr = fopen (argv[argi], "wb")) == NULL) - { - fprintf (stderr, "PNM2PNG\n"); - fprintf (stderr, "Error: can not create PNG-file %s\n", argv[argi]); - exit (1); - } - } - else - { - fprintf (stderr, "PNM2PNG\n"); - fprintf (stderr, "Error: too many parameters\n"); - usage(); - exit (1); - } - } /* end for */ - -#ifdef __TURBOC__ - /* set stdin/stdout to binary, we're reading the PNM always! in binary format */ - if (fp_rd == stdin) - { - setmode (STDIN, O_BINARY); - } - if (fp_wr == stdout) - { - setmode (STDOUT, O_BINARY); - } -#endif - - /* call the conversion program itself */ - if (pnm2png (fp_rd, fp_wr, fp_al, interlace, alpha) == FALSE) - { - fprintf (stderr, "PNM2PNG\n"); - fprintf (stderr, "Error: unsuccessful converting to PNG-image\n"); - exit (1); - } - - /* close input file */ - fclose (fp_rd); - /* close output file */ - fclose (fp_wr); - /* close alpha file */ - if (alpha) - fclose (fp_al); - - return 0; -} - -/* - * usage - */ - -void usage() -{ - fprintf (stderr, "PNM2PNG\n"); - fprintf (stderr, " by Willem van Schaik, 1999\n"); -#ifdef __TURBOC__ - fprintf (stderr, " for Turbo-C and Borland-C compilers\n"); -#else - fprintf (stderr, " for Linux (and Unix) compilers\n"); -#endif - fprintf (stderr, "Usage: pnm2png [options] . [.png]\n"); - fprintf (stderr, " or: ... | pnm2png [options]\n"); - fprintf (stderr, "Options:\n"); - fprintf (stderr, " -i[nterlace] write png-file with interlacing on\n"); - fprintf (stderr, " -a[lpha] .pgm read PNG alpha channel as pgm-file\n"); - fprintf (stderr, " -h | -? print this help-information\n"); -} - -/* - * pnm2png - */ - -BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace, BOOL alpha) -{ - png_struct *png_ptr = NULL; - png_info *info_ptr = NULL; - png_byte *png_pixels = NULL; - png_byte **row_pointers = NULL; - png_byte *pix_ptr = NULL; - png_uint_32 row_bytes; - - char type_token[16]; - char width_token[16]; - char height_token[16]; - char maxval_token[16]; - int color_type; - png_uint_32 width, alpha_width; - png_uint_32 height, alpha_height; - png_uint_32 maxval; - int bit_depth = 0; - int channels; - int alpha_depth = 0; - int alpha_present; - int row, col; - BOOL raw, alpha_raw = FALSE; - png_uint_32 tmp16; - int i; - - /* read header of PNM file */ - - get_token(pnm_file, type_token); - if (type_token[0] != 'P') - { - return FALSE; - } - else if ((type_token[1] == '1') || (type_token[1] == '4')) - { - raw = (type_token[1] == '4'); - color_type = PNG_COLOR_TYPE_GRAY; - bit_depth = 1; - } - else if ((type_token[1] == '2') || (type_token[1] == '5')) - { - raw = (type_token[1] == '5'); - color_type = PNG_COLOR_TYPE_GRAY; - get_token(pnm_file, width_token); - sscanf (width_token, "%lu", &width); - get_token(pnm_file, height_token); - sscanf (height_token, "%lu", &height); - get_token(pnm_file, maxval_token); - sscanf (maxval_token, "%lu", &maxval); - if (maxval <= 1) - bit_depth = 1; - else if (maxval <= 3) - bit_depth = 2; - else if (maxval <= 15) - bit_depth = 4; - else if (maxval <= 255) - bit_depth = 8; - else /* if (maxval <= 65535) */ - bit_depth = 16; - } - else if ((type_token[1] == '3') || (type_token[1] == '6')) - { - raw = (type_token[1] == '6'); - color_type = PNG_COLOR_TYPE_RGB; - get_token(pnm_file, width_token); - sscanf (width_token, "%lu", &width); - get_token(pnm_file, height_token); - sscanf (height_token, "%lu", &height); - get_token(pnm_file, maxval_token); - sscanf (maxval_token, "%lu", &maxval); - if (maxval <= 1) - bit_depth = 1; - else if (maxval <= 3) - bit_depth = 2; - else if (maxval <= 15) - bit_depth = 4; - else if (maxval <= 255) - bit_depth = 8; - else /* if (maxval <= 65535) */ - bit_depth = 16; - } - else - { - return FALSE; - } - - /* read header of PGM file with alpha channel */ - - if (alpha) - { - if (color_type == PNG_COLOR_TYPE_GRAY) - color_type = PNG_COLOR_TYPE_GRAY_ALPHA; - if (color_type == PNG_COLOR_TYPE_RGB) - color_type = PNG_COLOR_TYPE_RGB_ALPHA; - - get_token(alpha_file, type_token); - if (type_token[0] != 'P') - { - return FALSE; - } - else if ((type_token[1] == '2') || (type_token[1] == '5')) - { - alpha_raw = (type_token[1] == '5'); - get_token(alpha_file, width_token); - sscanf (width_token, "%lu", &alpha_width); - if (alpha_width != width) - return FALSE; - get_token(alpha_file, height_token); - sscanf (height_token, "%lu", &alpha_height); - if (alpha_height != height) - return FALSE; - get_token(alpha_file, maxval_token); - sscanf (maxval_token, "%lu", &maxval); - if (maxval <= 1) - alpha_depth = 1; - else if (maxval <= 3) - alpha_depth = 2; - else if (maxval <= 15) - alpha_depth = 4; - else if (maxval <= 255) - alpha_depth = 8; - else /* if (maxval <= 65535) */ - alpha_depth = 16; - if (alpha_depth != bit_depth) - return FALSE; - } - else - { - return FALSE; - } - } /* end if alpha */ - - /* calculate the number of channels and store alpha-presence */ - if (color_type == PNG_COLOR_TYPE_GRAY) - channels = 1; - else if (color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - channels = 2; - else if (color_type == PNG_COLOR_TYPE_RGB) - channels = 3; - else if (color_type == PNG_COLOR_TYPE_RGB_ALPHA) - channels = 4; - else - channels = 0; /* should not happen */ - - alpha_present = (channels - 1) % 2; - - /* row_bytes is the width x number of channels x (bit-depth / 8) */ - row_bytes = width * channels * ((bit_depth <= 8) ? 1 : 2); - - if ((png_pixels = (png_byte *) malloc (row_bytes * height * sizeof (png_byte))) == NULL) - return FALSE; - - /* read data from PNM file */ - pix_ptr = png_pixels; - - for (row = 0; row < height; row++) - { - for (col = 0; col < width; col++) - { - for (i = 0; i < (channels - alpha_present); i++) - { - if (raw) - *pix_ptr++ = get_data (pnm_file, bit_depth); - else - if (bit_depth <= 8) - *pix_ptr++ = get_value (pnm_file, bit_depth); - else - { - tmp16 = get_value (pnm_file, bit_depth); - *pix_ptr = (png_byte) ((tmp16 >> 8) & 0xFF); - pix_ptr++; - *pix_ptr = (png_byte) (tmp16 & 0xFF); - pix_ptr++; - } - } - - if (alpha) /* read alpha-channel from pgm file */ - { - if (alpha_raw) - *pix_ptr++ = get_data (alpha_file, alpha_depth); - else - if (alpha_depth <= 8) - *pix_ptr++ = get_value (alpha_file, bit_depth); - else - { - tmp16 = get_value (alpha_file, bit_depth); - *pix_ptr++ = (png_byte) ((tmp16 >> 8) & 0xFF); - *pix_ptr++ = (png_byte) (tmp16 & 0xFF); - } - } /* if alpha */ - - } /* end for col */ - } /* end for row */ - - /* prepare the standard PNG structures */ - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); - if (!png_ptr) - { - return FALSE; - } - info_ptr = png_create_info_struct (png_ptr); - if (!info_ptr) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return FALSE; - } - - /* setjmp() must be called in every function that calls a PNG-reading libpng function */ - if (setjmp (png_jmpbuf(png_ptr))) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return FALSE; - } - - /* initialize the png structure */ - png_init_io (png_ptr, png_file); - - /* we're going to write more or less the same PNG as the input file */ - png_set_IHDR (png_ptr, info_ptr, width, height, bit_depth, color_type, - (!interlace) ? PNG_INTERLACE_NONE : PNG_INTERLACE_ADAM7, - PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); - - /* write the file header information */ - png_write_info (png_ptr, info_ptr); - - /* if needed we will allocate memory for an new array of row-pointers */ - if (row_pointers == (unsigned char**) NULL) - { - if ((row_pointers = (png_byte **) malloc (height * sizeof (png_bytep))) == NULL) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return FALSE; - } - } - - /* set the individual row_pointers to point at the correct offsets */ - for (i = 0; i < (height); i++) - row_pointers[i] = png_pixels + i * row_bytes; - - /* write out the entire image data in one call */ - png_write_image (png_ptr, row_pointers); - - /* write the additional chuncks to the PNG file (not really needed) */ - png_write_end (png_ptr, info_ptr); - - /* clean up after the write, and free any memory allocated */ - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - - if (row_pointers != (unsigned char**) NULL) - free (row_pointers); - if (png_pixels != (unsigned char*) NULL) - free (png_pixels); - - return TRUE; -} /* end of pnm2png */ - -/* - * get_token() - gets the first string after whitespace - */ - -void get_token(FILE *pnm_file, char *token) -{ - int i = 0; - - /* remove white-space */ - do - { - token[i] = (unsigned char) fgetc (pnm_file); - } - while ((token[i] == '\n') || (token[i] == '\r') || (token[i] == ' ')); - - /* read string */ - do - { - i++; - token[i] = (unsigned char) fgetc (pnm_file); - } - while ((token[i] != '\n') && (token[i] != '\r') && (token[i] != ' ')); - - token[i] = '\0'; - - return; -} - -/* - * get_data() - takes first byte and converts into next pixel value, - * taking as much bits as defined by bit-depth and - * using the bit-depth to fill up a byte (0Ah -> AAh) - */ - -png_uint_32 get_data (FILE *pnm_file, int depth) -{ - static int bits_left = 0; - static int old_value = 0; - static int mask = 0; - int i; - png_uint_32 ret_value; - - if (mask == 0) - for (i = 0; i < depth; i++) - mask = (mask >> 1) | 0x80; - - if (bits_left <= 0) - { - old_value = fgetc (pnm_file); - bits_left = 8; - } - - ret_value = old_value & mask; - for (i = 1; i < (8 / depth); i++) - ret_value = ret_value || (ret_value >> depth); - - old_value = (old_value << depth) & 0xFF; - bits_left -= depth; - - return ret_value; -} - -/* - * get_value() - takes first (numeric) string and converts into number, - * using the bit-depth to fill up a byte (0Ah -> AAh) - */ - -png_uint_32 get_value (FILE *pnm_file, int depth) -{ - static png_uint_32 mask = 0; - png_byte token[16]; - png_uint_32 ret_value; - int i = 0; - - if (mask == 0) - for (i = 0; i < depth; i++) - mask = (mask << 1) | 0x01; - - get_token (pnm_file, (char *) token); - sscanf ((const char *) token, "%lu", &ret_value); - - ret_value &= mask; - - if (depth < 8) - for (i = 0; i < (8 / depth); i++) - ret_value = (ret_value << depth) || ret_value; - - return ret_value; -} - -/* end of source */ - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pnm2png.sh b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pnm2png.sh deleted file mode 100644 index d79df2fae08..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngminus/pnm2png.sh +++ /dev/null @@ -1,42 +0,0 @@ -#!/bin/sh -# -- grayscale -./pnm2png basn0g01.pgm basn0g01.png -./pnm2png basn0g02.pgm basn0g02.png -./pnm2png basn0g04.pgm basn0g04.png -./pnm2png basn0g08.pgm basn0g08.png -./pnm2png basn0g16.pgm basn0g16.png -# -- full-color -./pnm2png basn2c08.ppm basn2c08.png -./pnm2png basn2c16.ppm basn2c16.png -# -- palletted -./pnm2png basn3p01.ppm basn3p01.png -./pnm2png basn3p02.ppm basn3p02.png -./pnm2png basn3p04.ppm basn3p04.png -./pnm2png basn3p08.ppm basn3p08.png -# -- gray with alpha-channel -./pnm2png -alpha basn6a08.pgm basn4a08.pgm basn4a08.png -./pnm2png -alpha basn6a16.pgm basn4a16.pgm basn4a16.png -# -- color with alpha-channel -./pnm2png -alpha basn6a08.pgm basn6a08.ppm basn6a08.png -./pnm2png -alpha basn6a16.pgm basn6a16.ppm basn6a16.png -# -- grayscale -./pnm2png rawn0g01.pgm rawn0g01.png -./pnm2png rawn0g02.pgm rawn0g02.png -./pnm2png rawn0g04.pgm rawn0g04.png -./pnm2png rawn0g08.pgm rawn0g08.png -./pnm2png rawn0g16.pgm rawn0g16.png -# -- full-color -./pnm2png rawn2c08.ppm rawn2c08.png -./pnm2png rawn2c16.ppm rawn2c16.png -# -- palletted -./pnm2png rawn3p01.ppm rawn3p01.png -./pnm2png rawn3p02.ppm rawn3p02.png -./pnm2png rawn3p04.ppm rawn3p04.png -./pnm2png rawn3p08.ppm rawn3p08.png -# -- gray with alpha-channel -./pnm2png -alpha rawn6a08.pgm rawn4a08.pgm rawn4a08.png -./pnm2png -alpha rawn6a16.pgm rawn4a16.pgm rawn4a16.png -# -- color with alpha-channel -./pnm2png -alpha rawn6a08.pgm rawn6a08.ppm rawn6a08.png -./pnm2png -alpha rawn6a16.pgm rawn6a16.ppm rawn6a16.png - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngsuite/README b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngsuite/README deleted file mode 100644 index 714d12c6449..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngsuite/README +++ /dev/null @@ -1,85 +0,0 @@ - -pngsuite --------- -(c) Willem van Schaik, 1999 - -Permission to use, copy, and distribute these images for any purpose and -without fee is hereby granted. - -These 15 images are part of the much larger PngSuite test-set of -images, available for developers of PNG supporting software. The -complete set, available at http:/www.schaik.com/pngsuite/, contains -a variety of images to test interlacing, gamma settings, ancillary -chunks, etc. - -The images in this directory represent the basic PNG color-types: -grayscale (1-16 bit deep), full color (8 or 16 bit), paletted -(1-8 bit) and grayscale or color images with alpha channel. You -can use them to test the proper functioning of PNG software. - - filename depth type - ------------ ------ -------------- - basn0g01.png 1-bit grayscale - basn0g02.png 2-bit grayscale - basn0g04.png 4-bit grayscale - basn0g08.png 8-bit grayscale - basn0g16.png 16-bit grayscale - basn2c08.png 8-bit truecolor - basn2c16.png 16-bit truecolor - basn3p01.png 1-bit paletted - basn3p02.png 2-bit paletted - basn3p04.png 4-bit paletted - basn3p08.png 8-bit paletted - basn4a08.png 8-bit gray with alpha - basn4a16.png 16-bit gray with alpha - basn6a08.png 8-bit RGBA - basn6a16.png 16-bit RGBA - -Here is the correct result of typing "pngtest -m *.png" in -this directory: - -Testing basn0g01.png: PASS (524 zero samples) - Filter 0 was used 32 times -Testing basn0g02.png: PASS (448 zero samples) - Filter 0 was used 32 times -Testing basn0g04.png: PASS (520 zero samples) - Filter 0 was used 32 times -Testing basn0g08.png: PASS (3 zero samples) - Filter 1 was used 9 times - Filter 4 was used 23 times -Testing basn0g16.png: PASS (1 zero samples) - Filter 1 was used 1 times - Filter 2 was used 31 times -Testing basn2c08.png: PASS (6 zero samples) - Filter 1 was used 5 times - Filter 4 was used 27 times -Testing basn2c16.png: PASS (592 zero samples) - Filter 1 was used 1 times - Filter 4 was used 31 times -Testing basn3p01.png: PASS (512 zero samples) - Filter 0 was used 32 times -Testing basn3p02.png: PASS (448 zero samples) - Filter 0 was used 32 times -Testing basn3p04.png: PASS (544 zero samples) - Filter 0 was used 32 times -Testing basn3p08.png: PASS (4 zero samples) - Filter 0 was used 32 times -Testing basn4a08.png: PASS (32 zero samples) - Filter 1 was used 1 times - Filter 4 was used 31 times -Testing basn4a16.png: PASS (64 zero samples) - Filter 0 was used 1 times - Filter 1 was used 2 times - Filter 2 was used 1 times - Filter 4 was used 28 times -Testing basn6a08.png: PASS (160 zero samples) - Filter 1 was used 1 times - Filter 4 was used 31 times -Testing basn6a16.png: PASS (1072 zero samples) - Filter 1 was used 4 times - Filter 4 was used 28 times -libpng passes test - -Willem van Schaik - -October 1999 diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngsuite/basn0g01.png b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngsuite/basn0g01.png deleted file mode 100644 index e31e1c7a635..00000000000 Binary files a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngsuite/basn0g01.png and /dev/null differ diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngsuite/basn0g02.png b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngsuite/basn0g02.png deleted file mode 100644 index 68809dd8fc0..00000000000 Binary files a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngsuite/basn0g02.png and /dev/null differ diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngsuite/basn0g04.png b/Build/source/libs/libpng/libpng-1.2.34/contrib/pngsuite/basn0g04.png deleted file mode 100644 index 6fa089cb8a4..00000000000 Binary 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a/Build/source/libs/libpng/libpng-1.2.34/contrib/pngsuite/basn6a16.png and /dev/null differ diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/PngFile.c b/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/PngFile.c deleted file mode 100644 index 959afe9deab..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/PngFile.c +++ /dev/null @@ -1,439 +0,0 @@ -//------------------------------------- -// PNGFILE.C -- Image File Functions -//------------------------------------- - -// Copyright 2000, Willem van Schaik. For conditions of distribution and -// use, see the copyright/license/disclaimer notice in png.h - -#include -#include -#include -#include - -#include "png.h" -#include "pngfile.h" -#include "cexcept.h" - -define_exception_type(const char *); -extern struct exception_context the_exception_context[1]; -struct exception_context the_exception_context[1]; -png_const_charp msg; - -static OPENFILENAME ofn; - -static png_structp png_ptr = NULL; -static png_infop info_ptr = NULL; - - -// cexcept interface - -static void -png_cexcept_error(png_structp png_ptr, png_const_charp msg) -{ - if(png_ptr) - ; -#ifndef PNG_NO_CONSOLE_IO - fprintf(stderr, "libpng error: %s\n", msg); -#endif - { - Throw msg; - } -} - -// Windows open-file functions - -void PngFileInitialize (HWND hwnd) -{ - static TCHAR szFilter[] = TEXT ("PNG Files (*.PNG)\0*.png\0") - TEXT ("All Files (*.*)\0*.*\0\0"); - - ofn.lStructSize = sizeof (OPENFILENAME); - ofn.hwndOwner = hwnd; - ofn.hInstance = NULL; - ofn.lpstrFilter = szFilter; - ofn.lpstrCustomFilter = NULL; - ofn.nMaxCustFilter = 0; - ofn.nFilterIndex = 0; - ofn.lpstrFile = NULL; // Set in Open and Close functions - ofn.nMaxFile = MAX_PATH; - ofn.lpstrFileTitle = NULL; // Set in Open and Close functions - ofn.nMaxFileTitle = MAX_PATH; - ofn.lpstrInitialDir = NULL; - ofn.lpstrTitle = NULL; - ofn.Flags = 0; // Set in Open and Close functions - ofn.nFileOffset = 0; - ofn.nFileExtension = 0; - ofn.lpstrDefExt = TEXT ("png"); - ofn.lCustData = 0; - ofn.lpfnHook = NULL; - ofn.lpTemplateName = NULL; -} - -BOOL PngFileOpenDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) -{ - ofn.hwndOwner = hwnd; - ofn.lpstrFile = pstrFileName; - ofn.lpstrFileTitle = pstrTitleName; - ofn.Flags = OFN_HIDEREADONLY; - - return GetOpenFileName (&ofn); -} - -BOOL PngFileSaveDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) -{ - ofn.hwndOwner = hwnd; - ofn.lpstrFile = pstrFileName; - ofn.lpstrFileTitle = pstrTitleName; - ofn.Flags = OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT; - - return GetSaveFileName (&ofn); -} - -// PNG image handler functions - -BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData, - int *piWidth, int *piHeight, int *piChannels, png_color *pBkgColor) -{ - static FILE *pfFile; - png_byte pbSig[8]; - int iBitDepth; - int iColorType; - double dGamma; - png_color_16 *pBackground; - png_uint_32 ulChannels; - png_uint_32 ulRowBytes; - png_byte *pbImageData = *ppbImageData; - static png_byte **ppbRowPointers = NULL; - int i; - - // open the PNG input file - - if (!pstrFileName) - { - *ppbImageData = pbImageData = NULL; - return FALSE; - } - - if (!(pfFile = fopen(pstrFileName, "rb"))) - { - *ppbImageData = pbImageData = NULL; - return FALSE; - } - - // first check the eight byte PNG signature - - fread(pbSig, 1, 8, pfFile); - if (!png_check_sig(pbSig, 8)) - { - *ppbImageData = pbImageData = NULL; - return FALSE; - } - - // create the two png(-info) structures - - png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, - (png_error_ptr)png_cexcept_error, (png_error_ptr)NULL); - if (!png_ptr) - { - *ppbImageData = pbImageData = NULL; - return FALSE; - } - - info_ptr = png_create_info_struct(png_ptr); - if (!info_ptr) - { - png_destroy_read_struct(&png_ptr, NULL, NULL); - *ppbImageData = pbImageData = NULL; - return FALSE; - } - - Try - { - - // initialize the png structure - -#if !defined(PNG_NO_STDIO) - png_init_io(png_ptr, pfFile); -#else - png_set_read_fn(png_ptr, (png_voidp)pfFile, png_read_data); -#endif - - png_set_sig_bytes(png_ptr, 8); - - // read all PNG info up to image data - - png_read_info(png_ptr, info_ptr); - - // get width, height, bit-depth and color-type - - png_get_IHDR(png_ptr, info_ptr, piWidth, piHeight, &iBitDepth, - &iColorType, NULL, NULL, NULL); - - // expand images of all color-type and bit-depth to 3x8 bit RGB images - // let the library process things like alpha, transparency, background - - if (iBitDepth == 16) - png_set_strip_16(png_ptr); - if (iColorType == PNG_COLOR_TYPE_PALETTE) - png_set_expand(png_ptr); - if (iBitDepth < 8) - png_set_expand(png_ptr); - if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) - png_set_expand(png_ptr); - if (iColorType == PNG_COLOR_TYPE_GRAY || - iColorType == PNG_COLOR_TYPE_GRAY_ALPHA) - png_set_gray_to_rgb(png_ptr); - - // set the background color to draw transparent and alpha images over. - if (png_get_bKGD(png_ptr, info_ptr, &pBackground)) - { - png_set_background(png_ptr, pBackground, PNG_BACKGROUND_GAMMA_FILE, 1, 1.0); - pBkgColor->red = (byte) pBackground->red; - pBkgColor->green = (byte) pBackground->green; - pBkgColor->blue = (byte) pBackground->blue; - } - else - { - pBkgColor = NULL; - } - - // if required set gamma conversion - if (png_get_gAMA(png_ptr, info_ptr, &dGamma)) - png_set_gamma(png_ptr, (double) 2.2, dGamma); - - // after the transformations have been registered update info_ptr data - - png_read_update_info(png_ptr, info_ptr); - - // get again width, height and the new bit-depth and color-type - - png_get_IHDR(png_ptr, info_ptr, piWidth, piHeight, &iBitDepth, - &iColorType, NULL, NULL, NULL); - - - // row_bytes is the width x number of channels - - ulRowBytes = png_get_rowbytes(png_ptr, info_ptr); - ulChannels = png_get_channels(png_ptr, info_ptr); - - *piChannels = ulChannels; - - // now we can allocate memory to store the image - - if (pbImageData) - { - free (pbImageData); - pbImageData = NULL; - } - if ((pbImageData = (png_byte *) malloc(ulRowBytes * (*piHeight) - * sizeof(png_byte))) == NULL) - { - png_error(png_ptr, "Visual PNG: out of memory"); - } - *ppbImageData = pbImageData; - - // and allocate memory for an array of row-pointers - - if ((ppbRowPointers = (png_bytepp) malloc((*piHeight) - * sizeof(png_bytep))) == NULL) - { - png_error(png_ptr, "Visual PNG: out of memory"); - } - - // set the individual row-pointers to point at the correct offsets - - for (i = 0; i < (*piHeight); i++) - ppbRowPointers[i] = pbImageData + i * ulRowBytes; - - // now we can go ahead and just read the whole image - - png_read_image(png_ptr, ppbRowPointers); - - // read the additional chunks in the PNG file (not really needed) - - png_read_end(png_ptr, NULL); - - // and we're done - - free (ppbRowPointers); - ppbRowPointers = NULL; - - // yepp, done - } - - Catch (msg) - { - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - - *ppbImageData = pbImageData = NULL; - - if(ppbRowPointers) - free (ppbRowPointers); - - fclose(pfFile); - - return FALSE; - } - - fclose (pfFile); - - return TRUE; -} - - -BOOL PngSaveImage (PTSTR pstrFileName, png_byte *pDiData, - int iWidth, int iHeight, png_color bkgColor) -{ - const int ciBitDepth = 8; - const int ciChannels = 3; - - static FILE *pfFile; - png_uint_32 ulRowBytes; - static png_byte **ppbRowPointers = NULL; - int i; - - // open the PNG output file - - if (!pstrFileName) - return FALSE; - - if (!(pfFile = fopen(pstrFileName, "wb"))) - return FALSE; - - // prepare the standard PNG structures - - png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, - (png_error_ptr)png_cexcept_error, (png_error_ptr)NULL); - if (!png_ptr) - { - fclose(pfFile); - return FALSE; - } - - info_ptr = png_create_info_struct(png_ptr); - if (!info_ptr) { - fclose(pfFile); - png_destroy_write_struct(&png_ptr, (png_infopp) NULL); - return FALSE; - } - - Try - { - // initialize the png structure - -#if !defined(PNG_NO_STDIO) - png_init_io(png_ptr, pfFile); -#else - png_set_write_fn(png_ptr, (png_voidp)pfFile, png_write_data, png_flush); -#endif - - // we're going to write a very simple 3x8 bit RGB image - - png_set_IHDR(png_ptr, info_ptr, iWidth, iHeight, ciBitDepth, - PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE, - PNG_FILTER_TYPE_BASE); - - // write the file header information - - png_write_info(png_ptr, info_ptr); - - // swap the BGR pixels in the DiData structure to RGB - - png_set_bgr(png_ptr); - - // row_bytes is the width x number of channels - - ulRowBytes = iWidth * ciChannels; - - // we can allocate memory for an array of row-pointers - - if ((ppbRowPointers = (png_bytepp) malloc(iHeight * sizeof(png_bytep))) == NULL) - Throw "Visualpng: Out of memory"; - - // set the individual row-pointers to point at the correct offsets - - for (i = 0; i < iHeight; i++) - ppbRowPointers[i] = pDiData + i * (((ulRowBytes + 3) >> 2) << 2); - - // write out the entire image data in one call - - png_write_image (png_ptr, ppbRowPointers); - - // write the additional chunks to the PNG file (not really needed) - - png_write_end(png_ptr, info_ptr); - - // and we're done - - free (ppbRowPointers); - ppbRowPointers = NULL; - - // clean up after the write, and free any memory allocated - - png_destroy_write_struct(&png_ptr, (png_infopp) NULL); - - // yepp, done - } - - Catch (msg) - { - png_destroy_write_struct(&png_ptr, (png_infopp) NULL); - - if(ppbRowPointers) - free (ppbRowPointers); - - fclose(pfFile); - - return FALSE; - } - - fclose (pfFile); - - return TRUE; -} - -#ifdef PNG_NO_STDIO - -static void -png_read_data(png_structp png_ptr, png_bytep data, png_size_t length) -{ - png_size_t check; - - /* fread() returns 0 on error, so it is OK to store this in a png_size_t - * instead of an int, which is what fread() actually returns. - */ - check = (png_size_t)fread(data, (png_size_t)1, length, - (FILE *)png_ptr->io_ptr); - - if (check != length) - { - png_error(png_ptr, "Read Error"); - } -} - -static void -png_write_data(png_structp png_ptr, png_bytep data, png_size_t length) -{ - png_uint_32 check; - - check = fwrite(data, 1, length, (FILE *)(png_ptr->io_ptr)); - if (check != length) - { - png_error(png_ptr, "Write Error"); - } -} - -static void -png_flush(png_structp png_ptr) -{ - FILE *io_ptr; - io_ptr = (FILE *)CVT_PTR((png_ptr->io_ptr)); - if (io_ptr != NULL) - fflush(io_ptr); -} - -#endif - -//----------------- -// end of source -//----------------- diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/PngFile.h b/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/PngFile.h deleted file mode 100644 index a900fd4fddd..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/PngFile.h +++ /dev/null @@ -1,27 +0,0 @@ -//------------------------------------------ -// PNGFILE.H -- Header File for pngfile.c -//------------------------------------------ - -// Copyright 2000, Willem van Schaik. For conditions of distribution and -// use, see the copyright/license/disclaimer notice in png.h - -#include -#include -#include -#include - -void PngFileInitialize (HWND hwnd) ; -BOOL PngFileOpenDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) ; -BOOL PngFileSaveDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) ; - -BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData, - int *piWidth, int *piHeight, int *piChannels, png_color *pBkgColor); -BOOL PngSaveImage (PTSTR pstrFileName, png_byte *pDiData, - int iWidth, int iHeight, png_color BkgColor); - -#if defined(PNG_NO_STDIO) -static void png_read_data(png_structp png_ptr, png_bytep data, png_size_t length); -static void png_write_data(png_structp png_ptr, png_bytep data, png_size_t length); -static void png_flush(png_structp png_ptr); -#endif - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/README.txt b/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/README.txt deleted file mode 100644 index 4a753d8e235..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/README.txt +++ /dev/null @@ -1,58 +0,0 @@ -Microsoft Developer Studio Build File, Format Version 6.00 for VisualPng ------------------------------------------------------------------------- - -Copyright 2000, Willem van Schaik. For conditions of distribution and -use, see the copyright/license/disclaimer notice in png.h - -As a PNG .dll demo VisualPng is finished. More features would only hinder -the program's objective. However, further extensions (like support for other -graphics formats) are in development. To get these, or for pre-compiled -binaries, go to "http://www.schaik.com/png/visualpng.html". - ------------------------------------------------------------------------- - -Assumes that - - libpng DLLs and LIBs are in ..\..\projects\msvc\win32\libpng - zlib DLLs and LIBs are in ..\..\projects\msvc\win32\zlib - libpng header files are in ..\..\..\libpng - zlib header files are in ..\..\..\zlib - the pngsuite images are in ..\pngsuite - -To build: - -1) On the main menu Select "Build|Set Active configuration". - Choose the configuration that corresponds to the library you want to test. - This library must have been built using the libpng MS project located in - the "..\..\mscv" subdirectory. - -2) Select "Build|Clean" - -3) Select "Build|Rebuild All" - -4) After compiling and linking VisualPng will be started to view an image - from the PngSuite directory. Press Ctrl-N (and Ctrl-V) for other images. - - -To install: - -When distributing VisualPng (or a further development) the following options -are available: - -1) Build the program with the configuration "Win32 LIB" and you only need to - include the executable from the ./lib directory in your distribution. - -2) Build the program with the configuration "Win32 DLL" and you need to put - in your distribution the executable from the ./dll directory and the dll's - libpng1.dll, zlib.dll and msvcrt.dll. These need to be in the user's PATH. - - -Willem van Schaik -Calgary, June 6th 2000 - -P.S. VisualPng was written based on preliminary work of: - - - Simon-Pierre Cadieux - - Glenn Randers-Pehrson - - Greg Roelofs - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.c b/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.c deleted file mode 100644 index f2cf6ee9a2e..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.c +++ /dev/null @@ -1,961 +0,0 @@ -//------------------------------------ -// VisualPng.C -- Shows a PNG image -//------------------------------------ - -// Copyright 2000, Willem van Schaik. For conditions of distribution and -// use, see the copyright/license/disclaimer notice in png.h - -// switches - -// defines - -#define PROGNAME "VisualPng" -#define LONGNAME "Win32 Viewer for PNG-files" -#define VERSION "1.0 of 2000 June 07" - -// constants - -#define MARGIN 8 - -// standard includes - -#include -#include -#include -#include - -// application includes - -#include "png.h" -#include "pngfile.h" -#include "resource.h" - -// macros - -// function prototypes - -LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM); -BOOL CALLBACK AboutDlgProc (HWND, UINT, WPARAM, LPARAM) ; - -BOOL CenterAbout (HWND hwndChild, HWND hwndParent); - -BOOL BuildPngList (PTSTR pstrPathName, TCHAR **ppFileList, int *pFileCount, - int *pFileIndex); - -BOOL SearchPngList (TCHAR *pFileList, int FileCount, int *pFileIndex, - PTSTR pstrPrevName, PTSTR pstrNextName); - -BOOL LoadImageFile(HWND hwnd, PTSTR pstrPathName, - png_byte **ppbImage, int *pxImgSize, int *pyImgSize, int *piChannels, - png_color *pBkgColor); - -BOOL DisplayImage (HWND hwnd, BYTE **ppDib, - BYTE **ppDiData, int cxWinSize, int cyWinSize, - BYTE *pbImage, int cxImgSize, int cyImgSize, int cImgChannels, - BOOL bStretched); - -BOOL InitBitmap ( - BYTE *pDiData, int cxWinSize, int cyWinSize); - -BOOL FillBitmap ( - BYTE *pDiData, int cxWinSize, int cyWinSize, - BYTE *pbImage, int cxImgSize, int cyImgSize, int cImgChannels, - BOOL bStretched); - -// a few global variables - -static char *szProgName = PROGNAME; -static char *szAppName = LONGNAME; -static char *szIconName = PROGNAME; -static char szCmdFileName [MAX_PATH]; - -// MAIN routine - -int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, - PSTR szCmdLine, int iCmdShow) -{ - HACCEL hAccel; - HWND hwnd; - MSG msg; - WNDCLASS wndclass; - int ixBorders, iyBorders; - - wndclass.style = CS_HREDRAW | CS_VREDRAW; - wndclass.lpfnWndProc = WndProc; - wndclass.cbClsExtra = 0; - wndclass.cbWndExtra = 0; - wndclass.hInstance = hInstance; - wndclass.hIcon = LoadIcon (hInstance, szIconName) ; - wndclass.hCursor = LoadCursor (NULL, IDC_ARROW); - wndclass.hbrBackground = NULL; // (HBRUSH) GetStockObject (GRAY_BRUSH); - wndclass.lpszMenuName = szProgName; - wndclass.lpszClassName = szProgName; - - if (!RegisterClass (&wndclass)) - { - MessageBox (NULL, TEXT ("Error: this program requires Windows NT!"), - szProgName, MB_ICONERROR); - return 0; - } - - // if filename given on commandline, store it - if ((szCmdLine != NULL) && (*szCmdLine != '\0')) - if (szCmdLine[0] == '"') - strncpy (szCmdFileName, szCmdLine + 1, strlen(szCmdLine) - 2); - else - strcpy (szCmdFileName, szCmdLine); - else - strcpy (szCmdFileName, ""); - - // calculate size of window-borders - ixBorders = 2 * (GetSystemMetrics (SM_CXBORDER) + - GetSystemMetrics (SM_CXDLGFRAME)); - iyBorders = 2 * (GetSystemMetrics (SM_CYBORDER) + - GetSystemMetrics (SM_CYDLGFRAME)) + - GetSystemMetrics (SM_CYCAPTION) + - GetSystemMetrics (SM_CYMENUSIZE) + - 1; /* WvS: don't ask me why? */ - - hwnd = CreateWindow (szProgName, szAppName, - WS_OVERLAPPEDWINDOW, - CW_USEDEFAULT, CW_USEDEFAULT, - 512 + 2 * MARGIN + ixBorders, 384 + 2 * MARGIN + iyBorders, -// CW_USEDEFAULT, CW_USEDEFAULT, - NULL, NULL, hInstance, NULL); - - ShowWindow (hwnd, iCmdShow); - UpdateWindow (hwnd); - - hAccel = LoadAccelerators (hInstance, szProgName); - - while (GetMessage (&msg, NULL, 0, 0)) - { - if (!TranslateAccelerator (hwnd, hAccel, &msg)) - { - TranslateMessage (&msg); - DispatchMessage (&msg); - } - } - return msg.wParam; -} - -LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, - LPARAM lParam) -{ - static HINSTANCE hInstance ; - static HDC hdc; - static PAINTSTRUCT ps; - static HMENU hMenu; - - static BITMAPFILEHEADER *pbmfh; - static BITMAPINFOHEADER *pbmih; - static BYTE *pbImage; - static int cxWinSize, cyWinSize; - static int cxImgSize, cyImgSize; - static int cImgChannels; - static png_color bkgColor = {127, 127, 127}; - - static BOOL bStretched = TRUE; - - static BYTE *pDib = NULL; - static BYTE *pDiData = NULL; - - static TCHAR szImgPathName [MAX_PATH]; - static TCHAR szTitleName [MAX_PATH]; - - static TCHAR *pPngFileList = NULL; - static int iPngFileCount; - static int iPngFileIndex; - - BOOL bOk; - - switch (message) - { - case WM_CREATE: - hInstance = ((LPCREATESTRUCT) lParam)->hInstance ; - PngFileInitialize (hwnd); - - strcpy (szImgPathName, ""); - - // in case we process file given on command-line - - if (szCmdFileName[0] != '\0') - { - strcpy (szImgPathName, szCmdFileName); - - // read the other png-files in the directory for later - // next/previous commands - - BuildPngList (szImgPathName, &pPngFileList, &iPngFileCount, - &iPngFileIndex); - - // load the image from file - - if (!LoadImageFile (hwnd, szImgPathName, - &pbImage, &cxImgSize, &cyImgSize, &cImgChannels, &bkgColor)) - return 0; - - // invalidate the client area for later update - - InvalidateRect (hwnd, NULL, TRUE); - - // display the PNG into the DIBitmap - - DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize, - pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched); - } - - return 0; - - case WM_SIZE: - cxWinSize = LOWORD (lParam); - cyWinSize = HIWORD (lParam); - - // invalidate the client area for later update - - InvalidateRect (hwnd, NULL, TRUE); - - // display the PNG into the DIBitmap - - DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize, - pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched); - - return 0; - - case WM_INITMENUPOPUP: - hMenu = GetMenu (hwnd); - - if (pbImage) - EnableMenuItem (hMenu, IDM_FILE_SAVE, MF_ENABLED); - else - EnableMenuItem (hMenu, IDM_FILE_SAVE, MF_GRAYED); - - return 0; - - case WM_COMMAND: - hMenu = GetMenu (hwnd); - - switch (LOWORD (wParam)) - { - case IDM_FILE_OPEN: - - // show the File Open dialog box - - if (!PngFileOpenDlg (hwnd, szImgPathName, szTitleName)) - return 0; - - // read the other png-files in the directory for later - // next/previous commands - - BuildPngList (szImgPathName, &pPngFileList, &iPngFileCount, - &iPngFileIndex); - - // load the image from file - - if (!LoadImageFile (hwnd, szImgPathName, - &pbImage, &cxImgSize, &cyImgSize, &cImgChannels, &bkgColor)) - return 0; - - // invalidate the client area for later update - - InvalidateRect (hwnd, NULL, TRUE); - - // display the PNG into the DIBitmap - - DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize, - pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched); - - return 0; - - case IDM_FILE_SAVE: - - // show the File Save dialog box - - if (!PngFileSaveDlg (hwnd, szImgPathName, szTitleName)) - return 0; - - // save the PNG to a disk file - - SetCursor (LoadCursor (NULL, IDC_WAIT)); - ShowCursor (TRUE); - - bOk = PngSaveImage (szImgPathName, pDiData, cxWinSize, cyWinSize, - bkgColor); - - ShowCursor (FALSE); - SetCursor (LoadCursor (NULL, IDC_ARROW)); - - if (!bOk) - MessageBox (hwnd, TEXT ("Error in saving the PNG image"), - szProgName, MB_ICONEXCLAMATION | MB_OK); - return 0; - - case IDM_FILE_NEXT: - - // read next entry in the directory - - if (SearchPngList (pPngFileList, iPngFileCount, &iPngFileIndex, - NULL, szImgPathName)) - { - if (strcmp (szImgPathName, "") == 0) - return 0; - - // load the image from file - - if (!LoadImageFile (hwnd, szImgPathName, &pbImage, - &cxImgSize, &cyImgSize, &cImgChannels, &bkgColor)) - return 0; - - // invalidate the client area for later update - - InvalidateRect (hwnd, NULL, TRUE); - - // display the PNG into the DIBitmap - - DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize, - pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched); - } - - return 0; - - case IDM_FILE_PREVIOUS: - - // read previous entry in the directory - - if (SearchPngList (pPngFileList, iPngFileCount, &iPngFileIndex, - szImgPathName, NULL)) - { - - if (strcmp (szImgPathName, "") == 0) - return 0; - - // load the image from file - - if (!LoadImageFile (hwnd, szImgPathName, &pbImage, &cxImgSize, - &cyImgSize, &cImgChannels, &bkgColor)) - return 0; - - // invalidate the client area for later update - - InvalidateRect (hwnd, NULL, TRUE); - - // display the PNG into the DIBitmap - - DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize, - pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched); - } - - return 0; - - case IDM_FILE_EXIT: - - // more cleanup needed... - - // free image buffer - - if (pDib != NULL) - { - free (pDib); - pDib = NULL; - } - - // free file-list - - if (pPngFileList != NULL) - { - free (pPngFileList); - pPngFileList = NULL; - } - - // let's go ... - - exit (0); - - return 0; - - case IDM_OPTIONS_STRETCH: - bStretched = !bStretched; - if (bStretched) - CheckMenuItem (hMenu, IDM_OPTIONS_STRETCH, MF_CHECKED); - else - CheckMenuItem (hMenu, IDM_OPTIONS_STRETCH, MF_UNCHECKED); - - // invalidate the client area for later update - - InvalidateRect (hwnd, NULL, TRUE); - - // display the PNG into the DIBitmap - - DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize, - pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched); - - return 0; - - case IDM_HELP_ABOUT: - DialogBox (hInstance, TEXT ("AboutBox"), hwnd, AboutDlgProc) ; - return 0; - - } // end switch - - break; - - case WM_PAINT: - hdc = BeginPaint (hwnd, &ps); - - if (pDib) - SetDIBitsToDevice (hdc, 0, 0, cxWinSize, cyWinSize, 0, 0, - 0, cyWinSize, pDiData, (BITMAPINFO *) pDib, DIB_RGB_COLORS); - - EndPaint (hwnd, &ps); - return 0; - - case WM_DESTROY: - if (pbmfh) - { - free (pbmfh); - pbmfh = NULL; - } - - PostQuitMessage (0); - return 0; - } - - return DefWindowProc (hwnd, message, wParam, lParam); -} - -BOOL CALLBACK AboutDlgProc (HWND hDlg, UINT message, - WPARAM wParam, LPARAM lParam) -{ - switch (message) - { - case WM_INITDIALOG : - ShowWindow (hDlg, SW_HIDE); - CenterAbout (hDlg, GetWindow (hDlg, GW_OWNER)); - ShowWindow (hDlg, SW_SHOW); - return TRUE ; - - case WM_COMMAND : - switch (LOWORD (wParam)) - { - case IDOK : - case IDCANCEL : - EndDialog (hDlg, 0) ; - return TRUE ; - } - break ; - } - return FALSE ; -} - -//--------------- -// CenterAbout -//--------------- - -BOOL CenterAbout (HWND hwndChild, HWND hwndParent) -{ - RECT rChild, rParent, rWorkArea; - int wChild, hChild, wParent, hParent; - int xNew, yNew; - BOOL bResult; - - // Get the Height and Width of the child window - GetWindowRect (hwndChild, &rChild); - wChild = rChild.right - rChild.left; - hChild = rChild.bottom - rChild.top; - - // Get the Height and Width of the parent window - GetWindowRect (hwndParent, &rParent); - wParent = rParent.right - rParent.left; - hParent = rParent.bottom - rParent.top; - - // Get the limits of the 'workarea' - bResult = SystemParametersInfo( - SPI_GETWORKAREA, // system parameter to query or set - sizeof(RECT), - &rWorkArea, - 0); - if (!bResult) { - rWorkArea.left = rWorkArea.top = 0; - rWorkArea.right = GetSystemMetrics(SM_CXSCREEN); - rWorkArea.bottom = GetSystemMetrics(SM_CYSCREEN); - } - - // Calculate new X position, then adjust for workarea - xNew = rParent.left + ((wParent - wChild) /2); - if (xNew < rWorkArea.left) { - xNew = rWorkArea.left; - } else if ((xNew+wChild) > rWorkArea.right) { - xNew = rWorkArea.right - wChild; - } - - // Calculate new Y position, then adjust for workarea - yNew = rParent.top + ((hParent - hChild) /2); - if (yNew < rWorkArea.top) { - yNew = rWorkArea.top; - } else if ((yNew+hChild) > rWorkArea.bottom) { - yNew = rWorkArea.bottom - hChild; - } - - // Set it, and return - return SetWindowPos (hwndChild, NULL, xNew, yNew, 0, 0, SWP_NOSIZE | - SWP_NOZORDER); -} - -//---------------- -// BuildPngList -//---------------- - -BOOL BuildPngList (PTSTR pstrPathName, TCHAR **ppFileList, int *pFileCount, - int *pFileIndex) -{ - static TCHAR szImgPathName [MAX_PATH]; - static TCHAR szImgFileName [MAX_PATH]; - static TCHAR szImgFindName [MAX_PATH]; - - WIN32_FIND_DATA finddata; - HANDLE hFind; - - static TCHAR szTmp [MAX_PATH]; - BOOL bOk; - int i, ii; - int j, jj; - - // free previous file-list - - if (*ppFileList != NULL) - { - free (*ppFileList); - *ppFileList = NULL; - } - - // extract foldername, filename and search-name - - strcpy (szImgPathName, pstrPathName); - strcpy (szImgFileName, strrchr (pstrPathName, '\\') + 1); - - strcpy (szImgFindName, szImgPathName); - *(strrchr (szImgFindName, '\\') + 1) = '\0'; - strcat (szImgFindName, "*.png"); - - // first cycle: count number of files in directory for memory allocation - - *pFileCount = 0; - - hFind = FindFirstFile(szImgFindName, &finddata); - bOk = (hFind != (HANDLE) -1); - - while (bOk) - { - *pFileCount += 1; - bOk = FindNextFile(hFind, &finddata); - } - FindClose(hFind); - - // allocation memory for file-list - - *ppFileList = (TCHAR *) malloc (*pFileCount * MAX_PATH); - - // second cycle: read directory and store filenames in file-list - - hFind = FindFirstFile(szImgFindName, &finddata); - bOk = (hFind != (HANDLE) -1); - - i = 0; - ii = 0; - while (bOk) - { - strcpy (*ppFileList + ii, szImgPathName); - strcpy (strrchr(*ppFileList + ii, '\\') + 1, finddata.cFileName); - - if (strcmp(pstrPathName, *ppFileList + ii) == 0) - *pFileIndex = i; - - ii += MAX_PATH; - i++; - - bOk = FindNextFile(hFind, &finddata); - } - FindClose(hFind); - - // finally we must sort the file-list - - for (i = 0; i < *pFileCount - 1; i++) - { - ii = i * MAX_PATH; - for (j = i+1; j < *pFileCount; j++) - { - jj = j * MAX_PATH; - if (strcmp (*ppFileList + ii, *ppFileList + jj) > 0) - { - strcpy (szTmp, *ppFileList + jj); - strcpy (*ppFileList + jj, *ppFileList + ii); - strcpy (*ppFileList + ii, szTmp); - - // check if this was the current image that we moved - - if (*pFileIndex == i) - *pFileIndex = j; - else - if (*pFileIndex == j) - *pFileIndex = i; - } - } - } - - return TRUE; -} - -//---------------- -// SearchPngList -//---------------- - -BOOL SearchPngList ( - TCHAR *pFileList, int FileCount, int *pFileIndex, - PTSTR pstrPrevName, PTSTR pstrNextName) -{ - if (FileCount > 0) - { - // get previous entry - - if (pstrPrevName != NULL) - { - if (*pFileIndex > 0) - *pFileIndex -= 1; - else - *pFileIndex = FileCount - 1; - - strcpy (pstrPrevName, pFileList + (*pFileIndex * MAX_PATH)); - } - - // get next entry - - if (pstrNextName != NULL) - { - if (*pFileIndex < FileCount - 1) - *pFileIndex += 1; - else - *pFileIndex = 0; - - strcpy (pstrNextName, pFileList + (*pFileIndex * MAX_PATH)); - } - - return TRUE; - } - else - { - return FALSE; - } -} - -//----------------- -// LoadImageFile -//----------------- - -BOOL LoadImageFile (HWND hwnd, PTSTR pstrPathName, - png_byte **ppbImage, int *pxImgSize, int *pyImgSize, - int *piChannels, png_color *pBkgColor) -{ - static TCHAR szTmp [MAX_PATH]; - - // if there's an existing PNG, free the memory - - if (*ppbImage) - { - free (*ppbImage); - *ppbImage = NULL; - } - - // Load the entire PNG into memory - - SetCursor (LoadCursor (NULL, IDC_WAIT)); - ShowCursor (TRUE); - - PngLoadImage (pstrPathName, ppbImage, pxImgSize, pyImgSize, piChannels, - pBkgColor); - - ShowCursor (FALSE); - SetCursor (LoadCursor (NULL, IDC_ARROW)); - - if (*ppbImage != NULL) - { - sprintf (szTmp, "VisualPng - %s", strrchr(pstrPathName, '\\') + 1); - SetWindowText (hwnd, szTmp); - } - else - { - MessageBox (hwnd, TEXT ("Error in loading the PNG image"), - szProgName, MB_ICONEXCLAMATION | MB_OK); - return FALSE; - } - - return TRUE; -} - -//---------------- -// DisplayImage -//---------------- - -BOOL DisplayImage (HWND hwnd, BYTE **ppDib, - BYTE **ppDiData, int cxWinSize, int cyWinSize, - BYTE *pbImage, int cxImgSize, int cyImgSize, int cImgChannels, - BOOL bStretched) -{ - BYTE *pDib = *ppDib; - BYTE *pDiData = *ppDiData; - // BITMAPFILEHEADER *pbmfh; - BITMAPINFOHEADER *pbmih; - WORD wDIRowBytes; - png_color bkgBlack = {0, 0, 0}; - png_color bkgGray = {127, 127, 127}; - png_color bkgWhite = {255, 255, 255}; - - // allocate memory for the Device Independant bitmap - - wDIRowBytes = (WORD) ((3 * cxWinSize + 3L) >> 2) << 2; - - if (pDib) - { - free (pDib); - pDib = NULL; - } - - if (!(pDib = (BYTE *) malloc (sizeof(BITMAPINFOHEADER) + - wDIRowBytes * cyWinSize))) - { - MessageBox (hwnd, TEXT ("Error in displaying the PNG image"), - szProgName, MB_ICONEXCLAMATION | MB_OK); - *ppDib = pDib = NULL; - return FALSE; - } - *ppDib = pDib; - memset (pDib, 0, sizeof(BITMAPINFOHEADER)); - - // initialize the dib-structure - - pbmih = (BITMAPINFOHEADER *) pDib; - pbmih->biSize = sizeof(BITMAPINFOHEADER); - pbmih->biWidth = cxWinSize; - pbmih->biHeight = -((long) cyWinSize); - pbmih->biPlanes = 1; - pbmih->biBitCount = 24; - pbmih->biCompression = 0; - pDiData = pDib + sizeof(BITMAPINFOHEADER); - *ppDiData = pDiData; - - // first fill bitmap with gray and image border - - InitBitmap (pDiData, cxWinSize, cyWinSize); - - // then fill bitmap with image - - if (pbImage) - { - FillBitmap ( - pDiData, cxWinSize, cyWinSize, - pbImage, cxImgSize, cyImgSize, cImgChannels, - bStretched); - } - - return TRUE; -} - -//-------------- -// InitBitmap -//-------------- - -BOOL InitBitmap (BYTE *pDiData, int cxWinSize, int cyWinSize) -{ - BYTE *dst; - int x, y, col; - - // initialize the background with gray - - dst = pDiData; - for (y = 0; y < cyWinSize; y++) - { - col = 0; - for (x = 0; x < cxWinSize; x++) - { - // fill with GRAY - *dst++ = 127; - *dst++ = 127; - *dst++ = 127; - col += 3; - } - // rows start on 4 byte boundaries - while ((col % 4) != 0) - { - dst++; - col++; - } - } - - return TRUE; -} - -//-------------- -// FillBitmap -//-------------- - -BOOL FillBitmap ( - BYTE *pDiData, int cxWinSize, int cyWinSize, - BYTE *pbImage, int cxImgSize, int cyImgSize, int cImgChannels, - BOOL bStretched) -{ - BYTE *pStretchedImage; - BYTE *pImg; - BYTE *src, *dst; - BYTE r, g, b, a; - const int cDIChannels = 3; - WORD wImgRowBytes; - WORD wDIRowBytes; - int cxNewSize, cyNewSize; - int cxImgPos, cyImgPos; - int xImg, yImg; - int xWin, yWin; - int xOld, yOld; - int xNew, yNew; - - if (bStretched) - { - cxNewSize = cxWinSize - 2 * MARGIN; - cyNewSize = cyWinSize - 2 * MARGIN; - - // stretch the image to it's window determined size - - // the following two are the same, but the first has side-effects - // because of rounding -// if ((cyNewSize / cxNewSize) > (cyImgSize / cxImgSize)) - if ((cyNewSize * cxImgSize) > (cyImgSize * cxNewSize)) - { - cyNewSize = cxNewSize * cyImgSize / cxImgSize; - cxImgPos = MARGIN; - cyImgPos = (cyWinSize - cyNewSize) / 2; - } - else - { - cxNewSize = cyNewSize * cxImgSize / cyImgSize; - cyImgPos = MARGIN; - cxImgPos = (cxWinSize - cxNewSize) / 2; - } - - pStretchedImage = malloc (cImgChannels * cxNewSize * cyNewSize); - pImg = pStretchedImage; - - for (yNew = 0; yNew < cyNewSize; yNew++) - { - yOld = yNew * cyImgSize / cyNewSize; - for (xNew = 0; xNew < cxNewSize; xNew++) - { - xOld = xNew * cxImgSize / cxNewSize; - - r = *(pbImage + cImgChannels * ((yOld * cxImgSize) + xOld) + 0); - g = *(pbImage + cImgChannels * ((yOld * cxImgSize) + xOld) + 1); - b = *(pbImage + cImgChannels * ((yOld * cxImgSize) + xOld) + 2); - *pImg++ = r; - *pImg++ = g; - *pImg++ = b; - if (cImgChannels == 4) - { - a = *(pbImage + cImgChannels * ((yOld * cxImgSize) + xOld) - + 3); - *pImg++ = a; - } - } - } - - // calculate row-bytes - - wImgRowBytes = cImgChannels * cxNewSize; - wDIRowBytes = (WORD) ((cDIChannels * cxWinSize + 3L) >> 2) << 2; - - // copy image to screen - - for (yImg = 0, yWin = cyImgPos; yImg < cyNewSize; yImg++, yWin++) - { - if (yWin >= cyWinSize - cyImgPos) - break; - src = pStretchedImage + yImg * wImgRowBytes; - dst = pDiData + yWin * wDIRowBytes + cxImgPos * cDIChannels; - - for (xImg = 0, xWin = cxImgPos; xImg < cxNewSize; xImg++, xWin++) - { - if (xWin >= cxWinSize - cxImgPos) - break; - r = *src++; - g = *src++; - b = *src++; - *dst++ = b; /* note the reverse order */ - *dst++ = g; - *dst++ = r; - if (cImgChannels == 4) - { - a = *src++; - } - } - } - - // free memory - - if (pStretchedImage != NULL) - { - free (pStretchedImage); - pStretchedImage = NULL; - } - - } - - // process the image not-stretched - - else - { - // calculate the central position - - cxImgPos = (cxWinSize - cxImgSize) / 2; - cyImgPos = (cyWinSize - cyImgSize) / 2; - - // check for image larger than window - - if (cxImgPos < MARGIN) - cxImgPos = MARGIN; - if (cyImgPos < MARGIN) - cyImgPos = MARGIN; - - // calculate both row-bytes - - wImgRowBytes = cImgChannels * cxImgSize; - wDIRowBytes = (WORD) ((cDIChannels * cxWinSize + 3L) >> 2) << 2; - - // copy image to screen - - for (yImg = 0, yWin = cyImgPos; yImg < cyImgSize; yImg++, yWin++) - { - if (yWin >= cyWinSize - MARGIN) - break; - src = pbImage + yImg * wImgRowBytes; - dst = pDiData + yWin * wDIRowBytes + cxImgPos * cDIChannels; - - for (xImg = 0, xWin = cxImgPos; xImg < cxImgSize; xImg++, xWin++) - { - if (xWin >= cxWinSize - MARGIN) - break; - r = *src++; - g = *src++; - b = *src++; - *dst++ = b; /* note the reverse order */ - *dst++ = g; - *dst++ = r; - if (cImgChannels == 4) - { - a = *src++; - } - } - } - } - - return TRUE; -} - -//----------------- -// end of source -//----------------- diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.dsp b/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.dsp deleted file mode 100644 index c13c5a723ba..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.dsp +++ /dev/null @@ -1,147 +0,0 @@ -# Microsoft Developer Studio Project File - Name="VisualPng" - Package Owner=<4> -# Microsoft Developer Studio Generated Build File, Format Version 6.00 -# ** DO NOT EDIT ** - -# TARGTYPE "Win32 (x86) Application" 0x0101 - -CFG=VisualPng - Win32 Debug -!MESSAGE This is not a valid makefile. To build this project using NMAKE, -!MESSAGE use the Export Makefile command and run -!MESSAGE -!MESSAGE NMAKE /f "VisualPng.mak". -!MESSAGE -!MESSAGE You can specify a configuration when running NMAKE -!MESSAGE by defining the macro CFG on the command line. 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-!ELSEIF "$(CFG)" == "VisualPng - Win32 Debug" - -# PROP BASE Use_MFC 0 -# PROP BASE Use_Debug_Libraries 1 -# PROP BASE Output_Dir "Debug" -# PROP BASE Intermediate_Dir "Debug" -# PROP BASE Ignore_Export_Lib 0 -# PROP BASE Target_Dir "" -# PROP Use_MFC 0 -# PROP Use_Debug_Libraries 1 -# PROP Output_Dir "Debug" -# PROP Intermediate_Dir "Debug" -# PROP Ignore_Export_Lib 0 -# PROP Target_Dir "" -# ADD BASE CPP /nologo /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "PNG_NO_STDIO" /D "PNG_NO_GLOBAL_ARRAYS" /FD /GZ /c -# SUBTRACT BASE CPP /YX -# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "PNG_NO_STDIO" /D "PNG_NO_GLOBAL_ARRAYS" /FD /GZ /c -# SUBTRACT CPP /YX -# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32 -# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32 -# ADD BASE RSC /l 0x409 /d "_DEBUG" -# ADD RSC /l 0x409 /d "_DEBUG" -BSC32=bscmake.exe -# ADD BASE BSC32 /nologo -# ADD BSC32 /nologo -LINK32=link.exe -# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:windows /debug /machine:I386 /pdbtype:sept -# ADD LINK32 ..\..\projects\visualc6\Win32_LIB_Release\libpng.lib ..\..\..\zlib\projects\visualc6\Win32_LIB_Release\zlib.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:windows /debug /machine:I386 /nodefaultlib:"msvcrt.lib" /pdbtype:sept -# Begin Special Build Tool -OutDir=.\Debug -SOURCE="$(InputPath)" -PostBuild_Cmds=$(outdir)\VisualPng.exe ..\..\contrib\pngsuite\basn6a16.png -# End Special Build Tool - -!ENDIF - -# Begin Target - -# Name "VisualPng - Win32 Release" -# Name "VisualPng - Win32 Debug" -# Begin Group "Source Files" - -# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat" -# Begin Source File - -SOURCE=.\PngFile.c -# End Source File -# Begin Source File - -SOURCE=.\VisualPng.c -# End Source File -# End Group -# Begin Group "Header Files" - -# PROP Default_Filter "h;hpp;hxx;hm;inl" -# Begin Source File - -SOURCE=.\cexcept.h -# End Source File -# Begin Source File - -SOURCE=.\PngFile.h -# End Source File -# Begin Source File - -SOURCE=.\resource.h -# End Source File -# End Group -# Begin Group "Resource Files" - -# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe" -# Begin Source File - -SOURCE=.\VisualPng.ico -# End Source File -# Begin Source File - -SOURCE=.\VisualPng.rc -# End Source File -# End Group -# End Target -# End Project diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.dsw b/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.dsw deleted file mode 100644 index 17ad83ad362..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.dsw +++ /dev/null @@ -1,29 +0,0 @@ -Microsoft Developer Studio Workspace File, Format Version 6.00 -# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE! - -############################################################################### - -Project: "VisualPng"=.\VisualPng.dsp - Package Owner=<4> - -Package=<5> -{{{ -}}} - -Package=<4> -{{{ -}}} - -############################################################################### - -Global: - -Package=<5> -{{{ -}}} - -Package=<3> -{{{ -}}} - -############################################################################### - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.ico b/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.ico deleted file mode 100644 index 68aa3719fb5..00000000000 Binary files a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.ico and /dev/null differ diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.png b/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.png deleted file mode 100644 index c6aa80a9bfa..00000000000 Binary files a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.png and /dev/null differ diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.rc b/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.rc deleted file mode 100644 index 151c68c47c0..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/VisualPng.rc +++ /dev/null @@ -1,152 +0,0 @@ -//Microsoft Developer Studio generated resource script. -// -#include "resource.h" - -#define APSTUDIO_READONLY_SYMBOLS -///////////////////////////////////////////////////////////////////////////// -// -// Generated from the TEXTINCLUDE 2 resource. -// -#include "afxres.h" - -///////////////////////////////////////////////////////////////////////////// -#undef APSTUDIO_READONLY_SYMBOLS - -///////////////////////////////////////////////////////////////////////////// -// English (U.S.) resources - -#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) -#ifdef _WIN32 -LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US -#pragma code_page(1252) -#endif //_WIN32 - -#ifdef APSTUDIO_INVOKED -///////////////////////////////////////////////////////////////////////////// -// -// TEXTINCLUDE -// - -1 TEXTINCLUDE DISCARDABLE -BEGIN - "resource.h\0" -END - -2 TEXTINCLUDE DISCARDABLE -BEGIN - "#include ""afxres.h""\r\n" - "\0" -END - -3 TEXTINCLUDE DISCARDABLE -BEGIN - "\r\n" - "\0" -END - -#endif // APSTUDIO_INVOKED - - -///////////////////////////////////////////////////////////////////////////// -// -// Menu -// - -VISUALPNG MENU DISCARDABLE -BEGIN - POPUP "&File" - BEGIN - MENUITEM "&Open Image...\tCtrl+O", IDM_FILE_OPEN - MENUITEM "Save &As...", IDM_FILE_SAVE - MENUITEM SEPARATOR - MENUITEM "&Next Image\tCtrl+N", IDM_FILE_NEXT - MENUITEM "Pre&vious Image\tCtrl+V", IDM_FILE_PREVIOUS - MENUITEM SEPARATOR - MENUITEM "E&xit\tAlt+X", IDM_FILE_EXIT - END - POPUP "&Options" - BEGIN - MENUITEM "&Stretch", IDM_OPTIONS_STRETCH, CHECKED - END - POPUP "&Help" - BEGIN - MENUITEM "&About", IDM_HELP_ABOUT - END -END - - -///////////////////////////////////////////////////////////////////////////// -// -// Accelerator -// - -VISUALPNG ACCELERATORS DISCARDABLE -BEGIN - "N", IDM_FILE_NEXT, VIRTKEY, CONTROL, NOINVERT - "O", IDM_FILE_OPEN, VIRTKEY, CONTROL, NOINVERT - "P", IDM_FILE_PREVIOUS, VIRTKEY, CONTROL, NOINVERT - "V", IDM_FILE_PREVIOUS, VIRTKEY, CONTROL, NOINVERT - "X", IDM_FILE_EXIT, VIRTKEY, ALT, NOINVERT -END - - -///////////////////////////////////////////////////////////////////////////// -// -// Icon -// - -// Icon with lowest ID value placed first to ensure application icon -// remains consistent on all systems. -VISUALPNG ICON DISCARDABLE "VisualPng.ico" - -///////////////////////////////////////////////////////////////////////////// -// -// Dialog -// - -ABOUTBOX DIALOG DISCARDABLE 0, 0, 186, 94 -STYLE DS_MODALFRAME | WS_POPUP -FONT 8, "MS Sans Serif" -BEGIN - DEFPUSHBUTTON "OK",IDOK,68,67,50,14 - CTEXT "VisualPng 1.0 - June 2000",IDC_STATIC,49,14,88,8 - LTEXT "a PNG image viewer",IDC_STATIC,60,30,66,8 - LTEXT "(c) Willem van Schaik, 2000",IDC_STATIC,48,52,90,8 - LTEXT "to demonstrate the use of libpng in Visual C", - IDC_STATIC,25,38,136,8 -END - - -///////////////////////////////////////////////////////////////////////////// -// -// DESIGNINFO -// - -#ifdef APSTUDIO_INVOKED -GUIDELINES DESIGNINFO DISCARDABLE -BEGIN - "ABOUTBOX", DIALOG - BEGIN - LEFTMARGIN, 7 - RIGHTMARGIN, 179 - TOPMARGIN, 7 - BOTTOMMARGIN, 87 - END -END -#endif // APSTUDIO_INVOKED - -#endif // English (U.S.) resources -///////////////////////////////////////////////////////////////////////////// - - - -#ifndef APSTUDIO_INVOKED -///////////////////////////////////////////////////////////////////////////// -// -// Generated from the TEXTINCLUDE 3 resource. -// - - -///////////////////////////////////////////////////////////////////////////// -#endif // not APSTUDIO_INVOKED - diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/cexcept.h b/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/cexcept.h deleted file mode 100644 index 5f45d769758..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/cexcept.h +++ /dev/null @@ -1,248 +0,0 @@ -/*=== -cexcept.h 2.0.1 (2008-Jul-19-Sat) -http://www.nicemice.net/cexcept/ -Adam M. Costello -http://www.nicemice.net/amc/ - -An interface for exception-handling in ANSI C (C89 and subsequent ISO -standards), developed jointly with Cosmin Truta. - - Copyright (c) 2000-2008 Adam M. Costello and Cosmin Truta. - This software may be modified only if its author and version - information is updated accurately, and may be redistributed - only if accompanied by this unaltered notice. Subject to those - restrictions, permission is granted to anyone to do anything - with this software. The copyright holders make no guarantees - regarding this software, and are not responsible for any damage - resulting from its use. - -The cexcept interface is not compatible with and cannot interact -with system exceptions (like division by zero or memory segmentation -violation), compiler-generated exceptions (like C++ exceptions), or -other exception-handling interfaces. - -When using this interface across multiple .c files, do not include -this header file directly. Instead, create a wrapper header file that -includes this header file and then invokes the define_exception_type -macro (see below). The .c files should then include that header file. - -The interface consists of one type, one well-known name, and six macros. - - -define_exception_type(type_name); - - This macro is used like an external declaration. It specifies - the type of object that gets copied from the exception thrower to - the exception catcher. The type_name can be any type that can be - assigned to, that is, a non-constant arithmetic type, struct, union, - or pointer. Examples: - - define_exception_type(int); - - enum exception { out_of_memory, bad_arguments, disk_full }; - define_exception_type(enum exception); - - struct exception { int code; const char *msg; }; - define_exception_type(struct exception); - - Because throwing an exception causes the object to be copied (not - just once, but twice), programmers may wish to consider size when - choosing the exception type. - - -struct exception_context; - - This type may be used after the define_exception_type() macro has - been invoked. A struct exception_context must be known to both - the thrower and the catcher. It is expected that there be one - context for each thread that uses exceptions. It would certainly - be dangerous for multiple threads to access the same context. - One thread can use multiple contexts, but that is likely to be - confusing and not typically useful. The application can allocate - this structure in any way it pleases--automatic, static, or dynamic. - The application programmer should pretend not to know the structure - members, which are subject to change. - - -struct exception_context *the_exception_context; - - The Try/Catch and Throw statements (described below) implicitly - refer to a context, using the name the_exception_context. It is - the application's responsibility to make sure that this name yields - the address of a mutable (non-constant) struct exception_context - wherever those statements are used. Subject to that constraint, the - application may declare a variable of this name anywhere it likes - (inside a function, in a parameter list, or externally), and may - use whatever storage class specifiers (static, extern, etc) or type - qualifiers (const, volatile, etc) it likes. Examples: - - static struct exception_context - * const the_exception_context = &foo; - - { struct exception_context *the_exception_context = bar; ... } - - int blah(struct exception_context *the_exception_context, ...); - - extern struct exception_context the_exception_context[1]; - - The last example illustrates a trick that avoids creating a pointer - object separate from the structure object. - - The name could even be a macro, for example: - - struct exception_context ec_array[numthreads]; - #define the_exception_context (ec_array + thread_id) - - Be aware that the_exception_context is used several times by the - Try/Catch/Throw macros, so it shouldn't be expensive or have side - effects. The expansion must be a drop-in replacement for an - identifier, so it's safest to put parentheses around it. - - -void init_exception_context(struct exception_context *ec); - - For context structures allocated statically (by an external - definition or using the "static" keyword), the implicit - initialization to all zeros is sufficient, but contexts allocated - by other means must be initialized using this macro before they - are used by a Try/Catch statement. It does no harm to initialize - a context more than once (by using this macro on a statically - allocated context, or using this macro twice on the same context), - but a context must not be re-initialized after it has been used by a - Try/Catch statement. - - -Try statement -Catch (expression) statement - - The Try/Catch/Throw macros are capitalized in order to avoid - confusion with the C++ keywords, which have subtly different - semantics. - - A Try/Catch statement has a syntax similar to an if/else statement, - except that the parenthesized expression goes after the second - keyword rather than the first. As with if/else, there are two - clauses, each of which may be a simple statement ending with a - semicolon or a brace-enclosed compound statement. But whereas - the else clause is optional, the Catch clause is required. The - expression must be a modifiable lvalue (something capable of being - assigned to) of the same type (disregarding type qualifiers) that - was passed to define_exception_type(). - - If a Throw that uses the same exception context as the Try/Catch is - executed within the Try clause (typically within a function called - by the Try clause), and the exception is not caught by a nested - Try/Catch statement, then a copy of the exception will be assigned - to the expression, and control will jump to the Catch clause. If no - such Throw is executed, then the assignment is not performed, and - the Catch clause is not executed. - - The expression is not evaluated unless and until the exception is - caught, which is significant if it has side effects, for example: - - Try foo(); - Catch (p[++i].e) { ... } - - IMPORTANT: Jumping into or out of a Try clause (for example via - return, break, continue, goto, longjmp) is forbidden--the compiler - will not complain, but bad things will happen at run-time. Jumping - into or out of a Catch clause is okay, and so is jumping around - inside a Try clause. In many cases where one is tempted to return - from a Try clause, it will suffice to use Throw, and then return - from the Catch clause. Another option is to set a flag variable and - use goto to jump to the end of the Try clause, then check the flag - after the Try/Catch statement. - - IMPORTANT: The values of any non-volatile automatic variables - changed within the Try clause are undefined after an exception is - caught. Therefore, variables modified inside the Try block whose - values are needed later outside the Try block must either use static - storage or be declared with the "volatile" type qualifier. - - -Throw expression; - - A Throw statement is very much like a return statement, except that - the expression is required. Whereas return jumps back to the place - where the current function was called, Throw jumps back to the Catch - clause of the innermost enclosing Try clause. The expression must - be compatible with the type passed to define_exception_type(). The - exception must be caught, otherwise the program may crash. - - Slight limitation: If the expression is a comma-expression, it must - be enclosed in parentheses. - - -Try statement -Catch_anonymous statement - - When the value of the exception is not needed, a Try/Catch statement - can use Catch_anonymous instead of Catch (expression). - - -Everything below this point is for the benefit of the compiler. The -application programmer should pretend not to know any of it, because it -is subject to change. - -===*/ - - -#ifndef CEXCEPT_H -#define CEXCEPT_H - - -#include - -#define define_exception_type(etype) \ -struct exception_context { \ - jmp_buf *penv; \ - int caught; \ - volatile struct { etype etmp; } v; \ -} - -/* etmp must be volatile because the application might use automatic */ -/* storage for the_exception_context, and etmp is modified between */ -/* the calls to setjmp() and longjmp(). A wrapper struct is used to */ -/* avoid warnings about a duplicate volatile qualifier in case etype */ -/* already includes it. */ - -#define init_exception_context(ec) ((void)((ec)->penv = 0)) - -#define Try \ - { \ - jmp_buf *exception__prev, exception__env; \ - exception__prev = the_exception_context->penv; \ - the_exception_context->penv = &exception__env; \ - if (setjmp(exception__env) == 0) { \ - do - -#define exception__catch(action) \ - while (the_exception_context->caught = 0, \ - the_exception_context->caught); \ - } \ - else { \ - the_exception_context->caught = 1; \ - } \ - the_exception_context->penv = exception__prev; \ - } \ - if (!the_exception_context->caught || action) { } \ - else - -#define Catch(e) exception__catch(((e) = the_exception_context->v.etmp, 0)) -#define Catch_anonymous exception__catch(0) - -/* Try ends with do, and Catch begins with while(0) and ends with */ -/* else, to ensure that Try/Catch syntax is similar to if/else */ -/* syntax. */ -/* */ -/* The 0 in while(0) is expressed as x=0,x in order to appease */ -/* compilers that warn about constant expressions inside while(). */ -/* Most compilers should still recognize that the condition is always */ -/* false and avoid generating code for it. */ - -#define Throw \ - for (;; longjmp(*the_exception_context->penv, 1)) \ - the_exception_context->v.etmp = - - -#endif /* CEXCEPT_H */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/resource.h b/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/resource.h deleted file mode 100644 index 611dd035f00..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/contrib/visupng/resource.h +++ /dev/null @@ -1,23 +0,0 @@ -//{{NO_DEPENDENCIES}} -// Microsoft Developer Studio generated include file. -// Used by VisualPng.rc -// -#define IDM_FILE_OPEN 40001 -#define IDM_FILE_SAVE 40002 -#define IDM_FILE_NEXT 40003 -#define IDM_FILE_PREVIOUS 40004 -#define IDM_FILE_EXIT 40005 -#define IDM_OPTIONS_BACKGROUND 40006 -#define IDM_OPTIONS_STRETCH 40007 -#define IDM_HELP_ABOUT 40008 - -// Next default values for new objects -// -#ifdef APSTUDIO_INVOKED -#ifndef APSTUDIO_READONLY_SYMBOLS -#define _APS_NEXT_RESOURCE_VALUE 113 -#define _APS_NEXT_COMMAND_VALUE 40009 -#define _APS_NEXT_CONTROL_VALUE 1001 -#define _APS_NEXT_SYMED_VALUE 101 -#endif -#endif diff --git a/Build/source/libs/libpng/libpng-1.2.34/depcomp b/Build/source/libs/libpng/libpng-1.2.34/depcomp deleted file mode 100755 index e5f9736c723..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/depcomp +++ /dev/null @@ -1,589 +0,0 @@ -#! /bin/sh -# depcomp - compile a program generating dependencies as side-effects - -scriptversion=2007-03-29.01 - -# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007 Free Software -# Foundation, Inc. - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -# 02110-1301, USA. - -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - -# Originally written by Alexandre Oliva . - -case $1 in - '') - echo "$0: No command. Try \`$0 --help' for more information." 1>&2 - exit 1; - ;; - -h | --h*) - cat <<\EOF -Usage: depcomp [--help] [--version] PROGRAM [ARGS] - -Run PROGRAMS ARGS to compile a file, generating dependencies -as side-effects. - -Environment variables: - depmode Dependency tracking mode. - source Source file read by `PROGRAMS ARGS'. - object Object file output by `PROGRAMS ARGS'. - DEPDIR directory where to store dependencies. - depfile Dependency file to output. - tmpdepfile Temporary file to use when outputing dependencies. - libtool Whether libtool is used (yes/no). - -Report bugs to . -EOF - exit $? - ;; - -v | --v*) - echo "depcomp $scriptversion" - exit $? - ;; -esac - -if test -z "$depmode" || test -z "$source" || test -z "$object"; then - echo "depcomp: Variables source, object and depmode must be set" 1>&2 - exit 1 -fi - -# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. -depfile=${depfile-`echo "$object" | - sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} -tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} - -rm -f "$tmpdepfile" - -# Some modes work just like other modes, but use different flags. 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Breaking it into two sed invocations is a workaround. - sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" - rm -f "$tmpdepfile" "$tmpdepfile".bak - ;; - -cpp) - # Important note: in order to support this mode, a compiler *must* - # always write the preprocessed file to stdout. - "$@" || exit $? - - # Remove the call to Libtool. - if test "$libtool" = yes; then - while test $1 != '--mode=compile'; do - shift - done - shift - fi - - # Remove `-o $object'. - IFS=" " - for arg - do - case $arg in - -o) - shift - ;; - $object) - shift - ;; - *) - set fnord "$@" "$arg" - shift # fnord - shift # $arg - ;; - esac - done - - "$@" -E | - sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ - -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | - sed '$ s: \\$::' > "$tmpdepfile" - rm -f "$depfile" - echo "$object : \\" > "$depfile" - cat < "$tmpdepfile" >> "$depfile" - sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" - rm -f "$tmpdepfile" - ;; - -msvisualcpp) - # Important note: in order to support this mode, a compiler *must* - # always write the preprocessed file to stdout, regardless of -o, - # because we must use -o when running libtool. - "$@" || exit $? - IFS=" " - for arg - do - case "$arg" in - "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") - set fnord "$@" - shift - shift - ;; - *) - set fnord "$@" "$arg" - shift - shift - ;; - esac - done - "$@" -E | - sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" - rm -f "$depfile" - echo "$object : \\" > "$depfile" - . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" - echo " " >> "$depfile" - . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" - rm -f "$tmpdepfile" - ;; - -none) - exec "$@" - ;; - -*) - echo "Unknown depmode $depmode" 1>&2 - exit 1 - ;; -esac - -exit 0 - -# Local Variables: -# mode: shell-script -# sh-indentation: 2 -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-end: "$" -# End: diff --git a/Build/source/libs/libpng/libpng-1.2.34/example.c b/Build/source/libs/libpng/libpng-1.2.34/example.c deleted file mode 100644 index 4388e461232..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/example.c +++ /dev/null @@ -1,814 +0,0 @@ - -#if 0 /* in case someone actually tries to compile this */ - -/* example.c - an example of using libpng - * Last changed in libpng 1.2.33 [December 18, 2008] - * This file has been placed in the public domain by the authors. - * Maintained 1998-2008 Glenn Randers-Pehrson - * Maintained 1996, 1997 Andreas Dilger) - * Written 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - */ - -/* This is an example of how to use libpng to read and write PNG files. - * The file libpng.txt is much more verbose then this. If you have not - * read it, do so first. This was designed to be a starting point of an - * implementation. This is not officially part of libpng, is hereby placed - * in the public domain, and therefore does not require a copyright notice. - * - * This file does not currently compile, because it is missing certain - * parts, like allocating memory to hold an image. You will have to - * supply these parts to get it to compile. For an example of a minimal - * working PNG reader/writer, see pngtest.c, included in this distribution; - * see also the programs in the contrib directory. - */ - -#include "png.h" - - /* The png_jmpbuf() macro, used in error handling, became available in - * libpng version 1.0.6. If you want to be able to run your code with older - * versions of libpng, you must define the macro yourself (but only if it - * is not already defined by libpng!). - */ - -#ifndef png_jmpbuf -# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf) -#endif - -/* Check to see if a file is a PNG file using png_sig_cmp(). png_sig_cmp() - * returns zero if the image is a PNG and nonzero if it isn't a PNG. - * - * The function check_if_png() shown here, but not used, returns nonzero (true) - * if the file can be opened and is a PNG, 0 (false) otherwise. - * - * If this call is successful, and you are going to keep the file open, - * you should call png_set_sig_bytes(png_ptr, PNG_BYTES_TO_CHECK); once - * you have created the png_ptr, so that libpng knows your application - * has read that many bytes from the start of the file. Make sure you - * don't call png_set_sig_bytes() with more than 8 bytes read or give it - * an incorrect number of bytes read, or you will either have read too - * many bytes (your fault), or you are telling libpng to read the wrong - * number of magic bytes (also your fault). - * - * Many applications already read the first 2 or 4 bytes from the start - * of the image to determine the file type, so it would be easiest just - * to pass the bytes to png_sig_cmp() or even skip that if you know - * you have a PNG file, and call png_set_sig_bytes(). - */ -#define PNG_BYTES_TO_CHECK 4 -int check_if_png(char *file_name, FILE **fp) -{ - char buf[PNG_BYTES_TO_CHECK]; - - /* Open the prospective PNG file. */ - if ((*fp = fopen(file_name, "rb")) == NULL) - return 0; - - /* Read in some of the signature bytes */ - if (fread(buf, 1, PNG_BYTES_TO_CHECK, *fp) != PNG_BYTES_TO_CHECK) - return 0; - - /* Compare the first PNG_BYTES_TO_CHECK bytes of the signature. - Return nonzero (true) if they match */ - - return(!png_sig_cmp(buf, (png_size_t)0, PNG_BYTES_TO_CHECK)); -} - -/* Read a PNG file. You may want to return an error code if the read - * fails (depending upon the failure). There are two "prototypes" given - * here - one where we are given the filename, and we need to open the - * file, and the other where we are given an open file (possibly with - * some or all of the magic bytes read - see comments above). - */ -#ifdef open_file /* prototype 1 */ -void read_png(char *file_name) /* We need to open the file */ -{ - png_structp png_ptr; - png_infop info_ptr; - unsigned int sig_read = 0; - png_uint_32 width, height; - int bit_depth, color_type, interlace_type; - FILE *fp; - - if ((fp = fopen(file_name, "rb")) == NULL) - return (ERROR); -#else no_open_file /* prototype 2 */ -void read_png(FILE *fp, unsigned int sig_read) /* file is already open */ -{ - png_structp png_ptr; - png_infop info_ptr; - png_uint_32 width, height; - int bit_depth, color_type, interlace_type; -#endif no_open_file /* only use one prototype! */ - - /* Create and initialize the png_struct with the desired error handler - * functions. If you want to use the default stderr and longjump method, - * you can supply NULL for the last three parameters. We also supply the - * the compiler header file version, so that we know if the application - * was compiled with a compatible version of the library. REQUIRED - */ - png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, - png_voidp user_error_ptr, user_error_fn, user_warning_fn); - - if (png_ptr == NULL) - { - fclose(fp); - return (ERROR); - } - - /* Allocate/initialize the memory for image information. REQUIRED. */ - info_ptr = png_create_info_struct(png_ptr); - if (info_ptr == NULL) - { - fclose(fp); - png_destroy_read_struct(&png_ptr, png_infopp_NULL, png_infopp_NULL); - return (ERROR); - } - - /* Set error handling if you are using the setjmp/longjmp method (this is - * the normal method of doing things with libpng). REQUIRED unless you - * set up your own error handlers in the png_create_read_struct() earlier. - */ - - if (setjmp(png_jmpbuf(png_ptr))) - { - /* Free all of the memory associated with the png_ptr and info_ptr */ - png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL); - fclose(fp); - /* If we get here, we had a problem reading the file */ - return (ERROR); - } - - /* One of the following I/O initialization methods is REQUIRED */ -#ifdef streams /* PNG file I/O method 1 */ - /* Set up the input control if you are using standard C streams */ - png_init_io(png_ptr, fp); - -#else no_streams /* PNG file I/O method 2 */ - /* If you are using replacement read functions, instead of calling - * png_init_io() here you would call: - */ - png_set_read_fn(png_ptr, (void *)user_io_ptr, user_read_fn); - /* where user_io_ptr is a structure you want available to the callbacks */ -#endif no_streams /* Use only one I/O method! */ - - /* If we have already read some of the signature */ - png_set_sig_bytes(png_ptr, sig_read); - -#ifdef hilevel - /* - * If you have enough memory to read in the entire image at once, - * and you need to specify only transforms that can be controlled - * with one of the PNG_TRANSFORM_* bits (this presently excludes - * dithering, filling, setting background, and doing gamma - * adjustment), then you can read the entire image (including - * pixels) into the info structure with this call: - */ - png_read_png(png_ptr, info_ptr, png_transforms, png_voidp_NULL); -#else - /* OK, you're doing it the hard way, with the lower-level functions */ - - /* The call to png_read_info() gives us all of the information from the - * PNG file before the first IDAT (image data chunk). REQUIRED - */ - png_read_info(png_ptr, info_ptr); - - png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, - &interlace_type, int_p_NULL, int_p_NULL); - -/* Set up the data transformations you want. Note that these are all - * optional. Only call them if you want/need them. Many of the - * transformations only work on specific types of images, and many - * are mutually exclusive. - */ - - /* tell libpng to strip 16 bit/color files down to 8 bits/color */ - png_set_strip_16(png_ptr); - - /* Strip alpha bytes from the input data without combining with the - * background (not recommended). - */ - png_set_strip_alpha(png_ptr); - - /* Extract multiple pixels with bit depths of 1, 2, and 4 from a single - * byte into separate bytes (useful for paletted and grayscale images). - */ - png_set_packing(png_ptr); - - /* Change the order of packed pixels to least significant bit first - * (not useful if you are using png_set_packing). */ - png_set_packswap(png_ptr); - - /* Expand paletted colors into true RGB triplets */ - if (color_type == PNG_COLOR_TYPE_PALETTE) - png_set_palette_to_rgb(png_ptr); - - /* Expand grayscale images to the full 8 bits from 1, 2, or 4 bits/pixel */ - if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) - png_set_expand_gray_1_2_4_to_8(png_ptr); - - /* Expand paletted or RGB images with transparency to full alpha channels - * so the data will be available as RGBA quartets. - */ - if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) - png_set_tRNS_to_alpha(png_ptr); - - /* Set the background color to draw transparent and alpha images over. - * It is possible to set the red, green, and blue components directly - * for paletted images instead of supplying a palette index. Note that - * even if the PNG file supplies a background, you are not required to - * use it - you should use the (solid) application background if it has one. - */ - - png_color_16 my_background, *image_background; - - if (png_get_bKGD(png_ptr, info_ptr, &image_background)) - png_set_background(png_ptr, image_background, - PNG_BACKGROUND_GAMMA_FILE, 1, 1.0); - else - png_set_background(png_ptr, &my_background, - PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); - - /* Some suggestions as to how to get a screen gamma value */ - - /* Note that screen gamma is the display_exponent, which includes - * the CRT_exponent and any correction for viewing conditions */ - if (/* We have a user-defined screen gamma value */) - { - screen_gamma = user-defined screen_gamma; - } - /* This is one way that applications share the same screen gamma value */ - else if ((gamma_str = getenv("SCREEN_GAMMA")) != NULL) - { - screen_gamma = atof(gamma_str); - } - /* If we don't have another value */ - else - { - screen_gamma = 2.2; /* A good guess for a PC monitors in a dimly - lit room */ - screen_gamma = 1.7 or 1.0; /* A good guess for Mac systems */ - } - - /* Tell libpng to handle the gamma conversion for you. The final call - * is a good guess for PC generated images, but it should be configurable - * by the user at run time by the user. It is strongly suggested that - * your application support gamma correction. - */ - - int intent; - - if (png_get_sRGB(png_ptr, info_ptr, &intent)) - png_set_gamma(png_ptr, screen_gamma, 0.45455); - else - { - double image_gamma; - if (png_get_gAMA(png_ptr, info_ptr, &image_gamma)) - png_set_gamma(png_ptr, screen_gamma, image_gamma); - else - png_set_gamma(png_ptr, screen_gamma, 0.45455); - } - - /* Dither RGB files down to 8 bit palette or reduce palettes - * to the number of colors available on your screen. - */ - if (color_type & PNG_COLOR_MASK_COLOR) - { - int num_palette; - png_colorp palette; - - /* This reduces the image to the application supplied palette */ - if (/* we have our own palette */) - { - /* An array of colors to which the image should be dithered */ - png_color std_color_cube[MAX_SCREEN_COLORS]; - - png_set_dither(png_ptr, std_color_cube, MAX_SCREEN_COLORS, - MAX_SCREEN_COLORS, png_uint_16p_NULL, 0); - } - /* This reduces the image to the palette supplied in the file */ - else if (png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette)) - { - png_uint_16p histogram = NULL; - - png_get_hIST(png_ptr, info_ptr, &histogram); - - png_set_dither(png_ptr, palette, num_palette, - max_screen_colors, histogram, 0); - } - } - - /* invert monochrome files to have 0 as white and 1 as black */ - png_set_invert_mono(png_ptr); - - /* If you want to shift the pixel values from the range [0,255] or - * [0,65535] to the original [0,7] or [0,31], or whatever range the - * colors were originally in: - */ - if (png_get_valid(png_ptr, info_ptr, PNG_INFO_sBIT)) - { - png_color_8p sig_bit; - - png_get_sBIT(png_ptr, info_ptr, &sig_bit); - png_set_shift(png_ptr, sig_bit); - } - - /* flip the RGB pixels to BGR (or RGBA to BGRA) */ - if (color_type & PNG_COLOR_MASK_COLOR) - png_set_bgr(png_ptr); - - /* swap the RGBA or GA data to ARGB or AG (or BGRA to ABGR) */ - png_set_swap_alpha(png_ptr); - - /* swap bytes of 16 bit files to least significant byte first */ - png_set_swap(png_ptr); - - /* Add filler (or alpha) byte (before/after each RGB triplet) */ - png_set_filler(png_ptr, 0xff, PNG_FILLER_AFTER); - - /* Turn on interlace handling. REQUIRED if you are not using - * png_read_image(). To see how to handle interlacing passes, - * see the png_read_row() method below: - */ - number_passes = png_set_interlace_handling(png_ptr); - - /* Optional call to gamma correct and add the background to the palette - * and update info structure. REQUIRED if you are expecting libpng to - * update the palette for you (ie you selected such a transform above). - */ - png_read_update_info(png_ptr, info_ptr); - - /* Allocate the memory to hold the image using the fields of info_ptr. */ - - /* The easiest way to read the image: */ - png_bytep row_pointers[height]; - - for (row = 0; row < height; row++) - { - row_pointers[row] = png_malloc(png_ptr, png_get_rowbytes(png_ptr, - info_ptr)); - } - - /* Now it's time to read the image. One of these methods is REQUIRED */ -#ifdef entire /* Read the entire image in one go */ - png_read_image(png_ptr, row_pointers); - -#else no_entire /* Read the image one or more scanlines at a time */ - /* The other way to read images - deal with interlacing: */ - - for (pass = 0; pass < number_passes; pass++) - { -#ifdef single /* Read the image a single row at a time */ - for (y = 0; y < height; y++) - { - png_read_rows(png_ptr, &row_pointers[y], png_bytepp_NULL, 1); - } - -#else no_single /* Read the image several rows at a time */ - for (y = 0; y < height; y += number_of_rows) - { -#ifdef sparkle /* Read the image using the "sparkle" effect. */ - png_read_rows(png_ptr, &row_pointers[y], png_bytepp_NULL, - number_of_rows); -#else no_sparkle /* Read the image using the "rectangle" effect */ - png_read_rows(png_ptr, png_bytepp_NULL, &row_pointers[y], - number_of_rows); -#endif no_sparkle /* use only one of these two methods */ - } - - /* if you want to display the image after every pass, do - so here */ -#endif no_single /* use only one of these two methods */ - } -#endif no_entire /* use only one of these two methods */ - - /* read rest of file, and get additional chunks in info_ptr - REQUIRED */ - png_read_end(png_ptr, info_ptr); -#endif hilevel - - /* At this point you have read the entire image */ - - /* clean up after the read, and free any memory allocated - REQUIRED */ - png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL); - - /* close the file */ - fclose(fp); - - /* that's it */ - return (OK); -} - -/* progressively read a file */ - -int -initialize_png_reader(png_structp *png_ptr, png_infop *info_ptr) -{ - /* Create and initialize the png_struct with the desired error handler - * functions. If you want to use the default stderr and longjump method, - * you can supply NULL for the last three parameters. We also check that - * the library version is compatible in case we are using dynamically - * linked libraries. - */ - *png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, - png_voidp user_error_ptr, user_error_fn, user_warning_fn); - - if (*png_ptr == NULL) - { - *info_ptr = NULL; - return (ERROR); - } - - *info_ptr = png_create_info_struct(png_ptr); - - if (*info_ptr == NULL) - { - png_destroy_read_struct(png_ptr, info_ptr, png_infopp_NULL); - return (ERROR); - } - - if (setjmp(png_jmpbuf((*png_ptr)))) - { - png_destroy_read_struct(png_ptr, info_ptr, png_infopp_NULL); - return (ERROR); - } - - /* This one's new. You will need to provide all three - * function callbacks, even if you aren't using them all. - * If you aren't using all functions, you can specify NULL - * parameters. Even when all three functions are NULL, - * you need to call png_set_progressive_read_fn(). - * These functions shouldn't be dependent on global or - * static variables if you are decoding several images - * simultaneously. You should store stream specific data - * in a separate struct, given as the second parameter, - * and retrieve the pointer from inside the callbacks using - * the function png_get_progressive_ptr(png_ptr). - */ - png_set_progressive_read_fn(*png_ptr, (void *)stream_data, - info_callback, row_callback, end_callback); - - return (OK); -} - -int -process_data(png_structp *png_ptr, png_infop *info_ptr, - png_bytep buffer, png_uint_32 length) -{ - if (setjmp(png_jmpbuf((*png_ptr)))) - { - /* Free the png_ptr and info_ptr memory on error */ - png_destroy_read_struct(png_ptr, info_ptr, png_infopp_NULL); - return (ERROR); - } - - /* This one's new also. Simply give it chunks of data as - * they arrive from the data stream (in order, of course). - * On Segmented machines, don't give it any more than 64K. - * The library seems to run fine with sizes of 4K, although - * you can give it much less if necessary (I assume you can - * give it chunks of 1 byte, but I haven't tried with less - * than 256 bytes yet). When this function returns, you may - * want to display any rows that were generated in the row - * callback, if you aren't already displaying them there. - */ - png_process_data(*png_ptr, *info_ptr, buffer, length); - return (OK); -} - -info_callback(png_structp png_ptr, png_infop info) -{ -/* do any setup here, including setting any of the transformations - * mentioned in the Reading PNG files section. For now, you _must_ - * call either png_start_read_image() or png_read_update_info() - * after all the transformations are set (even if you don't set - * any). You may start getting rows before png_process_data() - * returns, so this is your last chance to prepare for that. - */ -} - -row_callback(png_structp png_ptr, png_bytep new_row, - png_uint_32 row_num, int pass) -{ -/* - * This function is called for every row in the image. If the - * image is interlaced, and you turned on the interlace handler, - * this function will be called for every row in every pass. - * - * In this function you will receive a pointer to new row data from - * libpng called new_row that is to replace a corresponding row (of - * the same data format) in a buffer allocated by your application. - * - * The new row data pointer new_row may be NULL, indicating there is - * no new data to be replaced (in cases of interlace loading). - * - * If new_row is not NULL then you need to call - * png_progressive_combine_row() to replace the corresponding row as - * shown below: - */ - /* Check if row_num is in bounds. */ - if ((row_num >= 0) && (row_num < height)) - { - /* Get pointer to corresponding row in our - * PNG read buffer. - */ - png_bytep old_row = ((png_bytep *)our_data)[row_num]; - - /* If both rows are allocated then copy the new row - * data to the corresponding row data. - */ - if ((old_row != NULL) && (new_row != NULL)) - png_progressive_combine_row(png_ptr, old_row, new_row); - } -/* - * The rows and passes are called in order, so you don't really - * need the row_num and pass, but I'm supplying them because it - * may make your life easier. - * - * For the non-NULL rows of interlaced images, you must call - * png_progressive_combine_row() passing in the new row and the - * old row, as demonstrated above. You can call this function for - * NULL rows (it will just return) and for non-interlaced images - * (it just does the png_memcpy for you) if it will make the code - * easier. Thus, you can just do this for all cases: - */ - - png_progressive_combine_row(png_ptr, old_row, new_row); - -/* where old_row is what was displayed for previous rows. Note - * that the first pass (pass == 0 really) will completely cover - * the old row, so the rows do not have to be initialized. After - * the first pass (and only for interlaced images), you will have - * to pass the current row as new_row, and the function will combine - * the old row and the new row. - */ -} - -end_callback(png_structp png_ptr, png_infop info) -{ -/* this function is called when the whole image has been read, - * including any chunks after the image (up to and including - * the IEND). You will usually have the same info chunk as you - * had in the header, although some data may have been added - * to the comments and time fields. - * - * Most people won't do much here, perhaps setting a flag that - * marks the image as finished. - */ -} - -/* write a png file */ -void write_png(char *file_name /* , ... other image information ... */) -{ - FILE *fp; - png_structp png_ptr; - png_infop info_ptr; - png_colorp palette; - - /* open the file */ - fp = fopen(file_name, "wb"); - if (fp == NULL) - return (ERROR); - - /* Create and initialize the png_struct with the desired error handler - * functions. If you want to use the default stderr and longjump method, - * you can supply NULL for the last three parameters. We also check that - * the library version is compatible with the one used at compile time, - * in case we are using dynamically linked libraries. REQUIRED. - */ - png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, - png_voidp user_error_ptr, user_error_fn, user_warning_fn); - - if (png_ptr == NULL) - { - fclose(fp); - return (ERROR); - } - - /* Allocate/initialize the image information data. REQUIRED */ - info_ptr = png_create_info_struct(png_ptr); - if (info_ptr == NULL) - { - fclose(fp); - png_destroy_write_struct(&png_ptr, png_infopp_NULL); - return (ERROR); - } - - /* Set error handling. REQUIRED if you aren't supplying your own - * error handling functions in the png_create_write_struct() call. - */ - if (setjmp(png_jmpbuf(png_ptr))) - { - /* If we get here, we had a problem reading the file */ - fclose(fp); - png_destroy_write_struct(&png_ptr, &info_ptr); - return (ERROR); - } - - /* One of the following I/O initialization functions is REQUIRED */ -#ifdef streams /* I/O initialization method 1 */ - /* set up the output control if you are using standard C streams */ - png_init_io(png_ptr, fp); -#else no_streams /* I/O initialization method 2 */ - /* If you are using replacement write functions, instead of calling - * png_init_io() here you would call */ - png_set_write_fn(png_ptr, (void *)user_io_ptr, user_write_fn, - user_IO_flush_function); - /* where user_io_ptr is a structure you want available to the callbacks */ -#endif no_streams /* only use one initialization method */ - -#ifdef hilevel - /* This is the easy way. Use it if you already have all the - * image info living info in the structure. You could "|" many - * PNG_TRANSFORM flags into the png_transforms integer here. - */ - png_write_png(png_ptr, info_ptr, png_transforms, png_voidp_NULL); -#else - /* This is the hard way */ - - /* Set the image information here. Width and height are up to 2^31, - * bit_depth is one of 1, 2, 4, 8, or 16, but valid values also depend on - * the color_type selected. color_type is one of PNG_COLOR_TYPE_GRAY, - * PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB, - * or PNG_COLOR_TYPE_RGB_ALPHA. interlace is either PNG_INTERLACE_NONE or - * PNG_INTERLACE_ADAM7, and the compression_type and filter_type MUST - * currently be PNG_COMPRESSION_TYPE_BASE and PNG_FILTER_TYPE_BASE. REQUIRED - */ - png_set_IHDR(png_ptr, info_ptr, width, height, bit_depth, PNG_COLOR_TYPE_???, - PNG_INTERLACE_????, PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); - - /* set the palette if there is one. REQUIRED for indexed-color images */ - palette = (png_colorp)png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH - * png_sizeof(png_color)); - /* ... set palette colors ... */ - png_set_PLTE(png_ptr, info_ptr, palette, PNG_MAX_PALETTE_LENGTH); - /* You must not free palette here, because png_set_PLTE only makes a link to - the palette that you malloced. Wait until you are about to destroy - the png structure. */ - - /* optional significant bit chunk */ - /* if we are dealing with a grayscale image then */ - sig_bit.gray = true_bit_depth; - /* otherwise, if we are dealing with a color image then */ - sig_bit.red = true_red_bit_depth; - sig_bit.green = true_green_bit_depth; - sig_bit.blue = true_blue_bit_depth; - /* if the image has an alpha channel then */ - sig_bit.alpha = true_alpha_bit_depth; - png_set_sBIT(png_ptr, info_ptr, sig_bit); - - - /* Optional gamma chunk is strongly suggested if you have any guess - * as to the correct gamma of the image. - */ - png_set_gAMA(png_ptr, info_ptr, gamma); - - /* Optionally write comments into the image */ - text_ptr[0].key = "Title"; - text_ptr[0].text = "Mona Lisa"; - text_ptr[0].compression = PNG_TEXT_COMPRESSION_NONE; - text_ptr[1].key = "Author"; - text_ptr[1].text = "Leonardo DaVinci"; - text_ptr[1].compression = PNG_TEXT_COMPRESSION_NONE; - text_ptr[2].key = "Description"; - text_ptr[2].text = ""; - text_ptr[2].compression = PNG_TEXT_COMPRESSION_zTXt; -#ifdef PNG_iTXt_SUPPORTED - text_ptr[0].lang = NULL; - text_ptr[1].lang = NULL; - text_ptr[2].lang = NULL; -#endif - png_set_text(png_ptr, info_ptr, text_ptr, 3); - - /* other optional chunks like cHRM, bKGD, tRNS, tIME, oFFs, pHYs, */ - /* note that if sRGB is present the gAMA and cHRM chunks must be ignored - * on read and must be written in accordance with the sRGB profile */ - - /* Write the file header information. REQUIRED */ - png_write_info(png_ptr, info_ptr); - - /* If you want, you can write the info in two steps, in case you need to - * write your private chunk ahead of PLTE: - * - * png_write_info_before_PLTE(write_ptr, write_info_ptr); - * write_my_chunk(); - * png_write_info(png_ptr, info_ptr); - * - * However, given the level of known- and unknown-chunk support in 1.1.0 - * and up, this should no longer be necessary. - */ - - /* Once we write out the header, the compression type on the text - * chunks gets changed to PNG_TEXT_COMPRESSION_NONE_WR or - * PNG_TEXT_COMPRESSION_zTXt_WR, so it doesn't get written out again - * at the end. - */ - - /* set up the transformations you want. Note that these are - * all optional. Only call them if you want them. - */ - - /* invert monochrome pixels */ - png_set_invert_mono(png_ptr); - - /* Shift the pixels up to a legal bit depth and fill in - * as appropriate to correctly scale the image. - */ - png_set_shift(png_ptr, &sig_bit); - - /* pack pixels into bytes */ - png_set_packing(png_ptr); - - /* swap location of alpha bytes from ARGB to RGBA */ - png_set_swap_alpha(png_ptr); - - /* Get rid of filler (OR ALPHA) bytes, pack XRGB/RGBX/ARGB/RGBA into - * RGB (4 channels -> 3 channels). The second parameter is not used. - */ - png_set_filler(png_ptr, 0, PNG_FILLER_BEFORE); - - /* flip BGR pixels to RGB */ - png_set_bgr(png_ptr); - - /* swap bytes of 16-bit files to most significant byte first */ - png_set_swap(png_ptr); - - /* swap bits of 1, 2, 4 bit packed pixel formats */ - png_set_packswap(png_ptr); - - /* turn on interlace handling if you are not using png_write_image() */ - if (interlacing) - number_passes = png_set_interlace_handling(png_ptr); - else - number_passes = 1; - - /* The easiest way to write the image (you may have a different memory - * layout, however, so choose what fits your needs best). You need to - * use the first method if you aren't handling interlacing yourself. - */ - png_uint_32 k, height, width; - png_byte image[height][width*bytes_per_pixel]; - png_bytep row_pointers[height]; - - if (height > PNG_UINT_32_MAX/png_sizeof(png_bytep)) - png_error (png_ptr, "Image is too tall to process in memory"); - - for (k = 0; k < height; k++) - row_pointers[k] = image + k*width*bytes_per_pixel; - - /* One of the following output methods is REQUIRED */ -#ifdef entire /* write out the entire image data in one call */ - png_write_image(png_ptr, row_pointers); - - /* the other way to write the image - deal with interlacing */ - -#else no_entire /* write out the image data by one or more scanlines */ - /* The number of passes is either 1 for non-interlaced images, - * or 7 for interlaced images. - */ - for (pass = 0; pass < number_passes; pass++) - { - /* Write a few rows at a time. */ - png_write_rows(png_ptr, &row_pointers[first_row], number_of_rows); - - /* If you are only writing one row at a time, this works */ - for (y = 0; y < height; y++) - { - png_write_rows(png_ptr, &row_pointers[y], 1); - } - } -#endif no_entire /* use only one output method */ - - /* You can write optional chunks like tEXt, zTXt, and tIME at the end - * as well. Shouldn't be necessary in 1.1.0 and up as all the public - * chunks are supported and you can use png_set_unknown_chunks() to - * register unknown chunks into the info structure to be written out. - */ - - /* It is REQUIRED to call this to finish writing the rest of the file */ - png_write_end(png_ptr, info_ptr); -#endif hilevel - - /* If you png_malloced a palette, free it here (don't free info_ptr->palette, - as recommended in versions 1.0.5m and earlier of this example; if - libpng mallocs info_ptr->palette, libpng will free it). If you - allocated it with malloc() instead of png_malloc(), use free() instead - of png_free(). */ - png_free(png_ptr, palette); - palette = NULL; - - /* Similarly, if you png_malloced any data that you passed in with - png_set_something(), such as a hist or trans array, free it here, - when you can be sure that libpng is through with it. */ - png_free(png_ptr, trans); - trans = NULL; - - /* clean up after the write, and free any memory allocated */ - png_destroy_write_struct(&png_ptr, &info_ptr); - - /* close the file */ - fclose(fp); - - /* that's it */ - return (OK); -} - -#endif /* if 0 */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/install-sh b/Build/source/libs/libpng/libpng-1.2.34/install-sh deleted file mode 100755 index a5897de6ea7..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/install-sh +++ /dev/null @@ -1,519 +0,0 @@ -#!/bin/sh -# install - install a program, script, or datafile - -scriptversion=2006-12-25.00 - -# This originates from X11R5 (mit/util/scripts/install.sh), which was -# later released in X11R6 (xc/config/util/install.sh) with the -# following copyright and license. -# -# Copyright (C) 1994 X Consortium -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to -# deal in the Software without restriction, including without limitation the -# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or -# sell copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in -# all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- -# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -# -# Except as contained in this notice, the name of the X Consortium shall not -# be used in advertising or otherwise to promote the sale, use or other deal- -# ings in this Software without prior written authorization from the X Consor- -# tium. -# -# -# FSF changes to this file are in the public domain. -# -# Calling this script install-sh is preferred over install.sh, to prevent -# `make' implicit rules from creating a file called install from it -# when there is no Makefile. -# -# This script is compatible with the BSD install script, but was written -# from scratch. - -nl=' -' -IFS=" "" $nl" - -# set DOITPROG to echo to test this script - -# Don't use :- since 4.3BSD and earlier shells don't like it. -doit=${DOITPROG-} -if test -z "$doit"; then - doit_exec=exec -else - doit_exec=$doit -fi - -# Put in absolute file names if you don't have them in your path; -# or use environment vars. - -chgrpprog=${CHGRPPROG-chgrp} -chmodprog=${CHMODPROG-chmod} -chownprog=${CHOWNPROG-chown} -cmpprog=${CMPPROG-cmp} -cpprog=${CPPROG-cp} -mkdirprog=${MKDIRPROG-mkdir} -mvprog=${MVPROG-mv} -rmprog=${RMPROG-rm} -stripprog=${STRIPPROG-strip} - -posix_glob='?' -initialize_posix_glob=' - test "$posix_glob" != "?" || { - if (set -f) 2>/dev/null; then - posix_glob= - else - posix_glob=: - fi - } -' - -posix_mkdir= - -# Desired mode of installed file. -mode=0755 - -chgrpcmd= -chmodcmd=$chmodprog -chowncmd= -mvcmd=$mvprog -rmcmd="$rmprog -f" -stripcmd= - -src= -dst= -dir_arg= -dst_arg= - -copy_on_change=false -no_target_directory= - -usage="\ -Usage: $0 [OPTION]... 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In this case, the final cleanup might fail but the new - # file should still install successfully. - { - test ! -f "$dst" || - $doit $rmcmd -f "$dst" 2>/dev/null || - { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && - { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } - } || - { echo "$0: cannot unlink or rename $dst" >&2 - (exit 1); exit 1 - } - } && - - # Now rename the file to the real destination. - $doit $mvcmd "$dsttmp" "$dst" - } - fi || exit 1 - - trap '' 0 - fi -done - -# Local variables: -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-end: "$" -# End: diff --git a/Build/source/libs/libpng/libpng-1.2.34/libpng-1.2.34.txt b/Build/source/libs/libpng/libpng-1.2.34/libpng-1.2.34.txt deleted file mode 100644 index fb829163a38..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/libpng-1.2.34.txt +++ /dev/null @@ -1,2907 +0,0 @@ -libpng.txt - A description on how to use and modify libpng - - libpng version 1.2.34 - December 18, 2008 - Updated and distributed by Glenn Randers-Pehrson - - Copyright (c) 1998-2008 Glenn Randers-Pehrson - For conditions of distribution and use, see copyright - notice in png.h. - - Based on: - - libpng versions 0.97, January 1998, through 1.2.34 - December 18, 2008 - Updated and distributed by Glenn Randers-Pehrson - Copyright (c) 1998-2008 Glenn Randers-Pehrson - - libpng 1.0 beta 6 version 0.96 May 28, 1997 - Updated and distributed by Andreas Dilger - Copyright (c) 1996, 1997 Andreas Dilger - - libpng 1.0 beta 2 - version 0.88 January 26, 1996 - For conditions of distribution and use, see copyright - notice in png.h. Copyright (c) 1995, 1996 Guy Eric - Schalnat, Group 42, Inc. - - Updated/rewritten per request in the libpng FAQ - Copyright (c) 1995, 1996 Frank J. T. Wojcik - December 18, 1995 & January 20, 1996 - -I. Introduction - -This file describes how to use and modify the PNG reference library -(known as libpng) for your own use. There are five sections to this -file: introduction, structures, reading, writing, and modification and -configuration notes for various special platforms. In addition to this -file, example.c is a good starting point for using the library, as -it is heavily commented and should include everything most people -will need. We assume that libpng is already installed; see the -INSTALL file for instructions on how to install libpng. - -For examples of libpng usage, see the files "example.c", "pngtest.c", -and the files in the "contrib" directory, all of which are included in the -libpng distribution. - -Libpng was written as a companion to the PNG specification, as a way -of reducing the amount of time and effort it takes to support the PNG -file format in application programs. - -The PNG specification (second edition), November 2003, is available as -a W3C Recommendation and as an ISO Standard (ISO/IEC 15948:2003 (E)) at -. It is technically equivalent -to the PNG specification (second edition) but has some additional material. - -The PNG-1.0 specification is available -as RFC 2083 and as a -W3C Recommendation . - -Some additional chunks are described in the special-purpose public chunks -documents at . - -Other information -about PNG, and the latest version of libpng, can be found at the PNG home -page, . - -Most users will not have to modify the library significantly; advanced -users may want to modify it more. All attempts were made to make it as -complete as possible, while keeping the code easy to understand. -Currently, this library only supports C. Support for other languages -is being considered. - -Libpng has been designed to handle multiple sessions at one time, -to be easily modifiable, to be portable to the vast majority of -machines (ANSI, K&R, 16-, 32-, and 64-bit) available, and to be easy -to use. The ultimate goal of libpng is to promote the acceptance of -the PNG file format in whatever way possible. While there is still -work to be done (see the TODO file), libpng should cover the -majority of the needs of its users. - -Libpng uses zlib for its compression and decompression of PNG files. -Further information about zlib, and the latest version of zlib, can -be found at the zlib home page, . -The zlib compression utility is a general purpose utility that is -useful for more than PNG files, and can be used without libpng. -See the documentation delivered with zlib for more details. -You can usually find the source files for the zlib utility wherever you -find the libpng source files. - -Libpng is thread safe, provided the threads are using different -instances of the structures. Each thread should have its own -png_struct and png_info instances, and thus its own image. -Libpng does not protect itself against two threads using the -same instance of a structure. - -II. Structures - -There are two main structures that are important to libpng, png_struct -and png_info. The first, png_struct, is an internal structure that -will not, for the most part, be used by a user except as the first -variable passed to every libpng function call. - -The png_info structure is designed to provide information about the -PNG file. At one time, the fields of png_info were intended to be -directly accessible to the user. However, this tended to cause problems -with applications using dynamically loaded libraries, and as a result -a set of interface functions for png_info (the png_get_*() and png_set_*() -functions) was developed. The fields of png_info are still available for -older applications, but it is suggested that applications use the new -interfaces if at all possible. - -Applications that do make direct access to the members of png_struct (except -for png_ptr->jmpbuf) must be recompiled whenever the library is updated, -and applications that make direct access to the members of png_info must -be recompiled if they were compiled or loaded with libpng version 1.0.6, -in which the members were in a different order. In version 1.0.7, the -members of the png_info structure reverted to the old order, as they were -in versions 0.97c through 1.0.5. Starting with version 2.0.0, both -structures are going to be hidden, and the contents of the structures will -only be accessible through the png_get/png_set functions. - -The png.h header file is an invaluable reference for programming with libpng. -And while I'm on the topic, make sure you include the libpng header file: - -#include - -III. Reading - -We'll now walk you through the possible functions to call when reading -in a PNG file sequentially, briefly explaining the syntax and purpose -of each one. See example.c and png.h for more detail. While -progressive reading is covered in the next section, you will still -need some of the functions discussed in this section to read a PNG -file. - -Setup - -You will want to do the I/O initialization(*) before you get into libpng, -so if it doesn't work, you don't have much to undo. Of course, you -will also want to insure that you are, in fact, dealing with a PNG -file. Libpng provides a simple check to see if a file is a PNG file. -To use it, pass in the first 1 to 8 bytes of the file to the function -png_sig_cmp(), and it will return 0 if the bytes match the corresponding -bytes of the PNG signature, or nonzero otherwise. Of course, the more bytes -you pass in, the greater the accuracy of the prediction. - -If you are intending to keep the file pointer open for use in libpng, -you must ensure you don't read more than 8 bytes from the beginning -of the file, and you also have to make a call to png_set_sig_bytes_read() -with the number of bytes you read from the beginning. Libpng will -then only check the bytes (if any) that your program didn't read. - -(*): If you are not using the standard I/O functions, you will need -to replace them with custom functions. See the discussion under -Customizing libpng. - - - FILE *fp = fopen(file_name, "rb"); - if (!fp) - { - return (ERROR); - } - fread(header, 1, number, fp); - is_png = !png_sig_cmp(header, 0, number); - if (!is_png) - { - return (NOT_PNG); - } - - -Next, png_struct and png_info need to be allocated and initialized. In -order to ensure that the size of these structures is correct even with a -dynamically linked libpng, there are functions to initialize and -allocate the structures. We also pass the library version, optional -pointers to error handling functions, and a pointer to a data struct for -use by the error functions, if necessary (the pointer and functions can -be NULL if the default error handlers are to be used). See the section -on Changes to Libpng below regarding the old initialization functions. -The structure allocation functions quietly return NULL if they fail to -create the structure, so your application should check for that. - - png_structp png_ptr = png_create_read_struct - (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr, - user_error_fn, user_warning_fn); - if (!png_ptr) - return (ERROR); - - png_infop info_ptr = png_create_info_struct(png_ptr); - if (!info_ptr) - { - png_destroy_read_struct(&png_ptr, - (png_infopp)NULL, (png_infopp)NULL); - return (ERROR); - } - - png_infop end_info = png_create_info_struct(png_ptr); - if (!end_info) - { - png_destroy_read_struct(&png_ptr, &info_ptr, - (png_infopp)NULL); - return (ERROR); - } - -If you want to use your own memory allocation routines, -define PNG_USER_MEM_SUPPORTED and use -png_create_read_struct_2() instead of png_create_read_struct(): - - png_structp png_ptr = png_create_read_struct_2 - (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr, - user_error_fn, user_warning_fn, (png_voidp) - user_mem_ptr, user_malloc_fn, user_free_fn); - -The error handling routines passed to png_create_read_struct() -and the memory alloc/free routines passed to png_create_struct_2() -are only necessary if you are not using the libpng supplied error -handling and memory alloc/free functions. - -When libpng encounters an error, it expects to longjmp back -to your routine. Therefore, you will need to call setjmp and pass -your png_jmpbuf(png_ptr). If you read the file from different -routines, you will need to update the jmpbuf field every time you enter -a new routine that will call a png_*() function. - -See your documentation of setjmp/longjmp for your compiler for more -information on setjmp/longjmp. See the discussion on libpng error -handling in the Customizing Libpng section below for more information -on the libpng error handling. If an error occurs, and libpng longjmp's -back to your setjmp, you will want to call png_destroy_read_struct() to -free any memory. - - if (setjmp(png_jmpbuf(png_ptr))) - { - png_destroy_read_struct(&png_ptr, &info_ptr, - &end_info); - fclose(fp); - return (ERROR); - } - -If you would rather avoid the complexity of setjmp/longjmp issues, -you can compile libpng with PNG_SETJMP_NOT_SUPPORTED, in which case -errors will result in a call to PNG_ABORT() which defaults to abort(). - -Now you need to set up the input code. The default for libpng is to -use the C function fread(). If you use this, you will need to pass a -valid FILE * in the function png_init_io(). Be sure that the file is -opened in binary mode. If you wish to handle reading data in another -way, you need not call the png_init_io() function, but you must then -implement the libpng I/O methods discussed in the Customizing Libpng -section below. - - png_init_io(png_ptr, fp); - -If you had previously opened the file and read any of the signature from -the beginning in order to see if this was a PNG file, you need to let -libpng know that there are some bytes missing from the start of the file. - - png_set_sig_bytes(png_ptr, number); - -Setting up callback code - -You can set up a callback function to handle any unknown chunks in the -input stream. You must supply the function - - read_chunk_callback(png_ptr ptr, - png_unknown_chunkp chunk); - { - /* The unknown chunk structure contains your - chunk data, along with similar data for any other - unknown chunks: */ - - png_byte name[5]; - png_byte *data; - png_size_t size; - - /* Note that libpng has already taken care of - the CRC handling */ - - /* put your code here. Search for your chunk in the - unknown chunk structure, process it, and return one - of the following: */ - - return (-n); /* chunk had an error */ - return (0); /* did not recognize */ - return (n); /* success */ - } - -(You can give your function another name that you like instead of -"read_chunk_callback") - -To inform libpng about your function, use - - png_set_read_user_chunk_fn(png_ptr, user_chunk_ptr, - read_chunk_callback); - -This names not only the callback function, but also a user pointer that -you can retrieve with - - png_get_user_chunk_ptr(png_ptr); - -If you call the png_set_read_user_chunk_fn() function, then all unknown -chunks will be saved when read, in case your callback function will need -one or more of them. This behavior can be changed with the -png_set_keep_unknown_chunks() function, described below. - -At this point, you can set up a callback function that will be -called after each row has been read, which you can use to control -a progress meter or the like. It's demonstrated in pngtest.c. -You must supply a function - - void read_row_callback(png_ptr ptr, png_uint_32 row, - int pass); - { - /* put your code here */ - } - -(You can give it another name that you like instead of "read_row_callback") - -To inform libpng about your function, use - - png_set_read_status_fn(png_ptr, read_row_callback); - -Width and height limits - -The PNG specification allows the width and height of an image to be as -large as 2^31-1 (0x7fffffff), or about 2.147 billion rows and columns. -Since very few applications really need to process such large images, -we have imposed an arbitrary 1-million limit on rows and columns. -Larger images will be rejected immediately with a png_error() call. If -you wish to override this limit, you can use - - png_set_user_limits(png_ptr, width_max, height_max); - -to set your own limits, or use width_max = height_max = 0x7fffffffL -to allow all valid dimensions (libpng may reject some very large images -anyway because of potential buffer overflow conditions). - -You should put this statement after you create the PNG structure and -before calling png_read_info(), png_read_png(), or png_process_data(). -If you need to retrieve the limits that are being applied, use - - width_max = png_get_user_width_max(png_ptr); - height_max = png_get_user_height_max(png_ptr); - -Unknown-chunk handling - -Now you get to set the way the library processes unknown chunks in the -input PNG stream. Both known and unknown chunks will be read. Normal -behavior is that known chunks will be parsed into information in -various info_ptr members while unknown chunks will be discarded. This -behavior can be wasteful if your application will never use some known -chunk types. To change this, you can call: - - png_set_keep_unknown_chunks(png_ptr, keep, - chunk_list, num_chunks); - keep - 0: default unknown chunk handling - 1: ignore; do not keep - 2: keep only if safe-to-copy - 3: keep even if unsafe-to-copy - You can use these definitions: - PNG_HANDLE_CHUNK_AS_DEFAULT 0 - PNG_HANDLE_CHUNK_NEVER 1 - PNG_HANDLE_CHUNK_IF_SAFE 2 - PNG_HANDLE_CHUNK_ALWAYS 3 - chunk_list - list of chunks affected (a byte string, - five bytes per chunk, NULL or '\0' if - num_chunks is 0) - num_chunks - number of chunks affected; if 0, all - unknown chunks are affected. If nonzero, - only the chunks in the list are affected - -Unknown chunks declared in this way will be saved as raw data onto a -list of png_unknown_chunk structures. If a chunk that is normally -known to libpng is named in the list, it will be handled as unknown, -according to the "keep" directive. If a chunk is named in successive -instances of png_set_keep_unknown_chunks(), the final instance will -take precedence. The IHDR and IEND chunks should not be named in -chunk_list; if they are, libpng will process them normally anyway. - -Here is an example of the usage of png_set_keep_unknown_chunks(), -where the private "vpAg" chunk will later be processed by a user chunk -callback function: - - png_byte vpAg[5]={118, 112, 65, 103, (png_byte) '\0'}; - - #if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) - png_byte unused_chunks[]= - { - 104, 73, 83, 84, (png_byte) '\0', /* hIST */ - 105, 84, 88, 116, (png_byte) '\0', /* iTXt */ - 112, 67, 65, 76, (png_byte) '\0', /* pCAL */ - 115, 67, 65, 76, (png_byte) '\0', /* sCAL */ - 115, 80, 76, 84, (png_byte) '\0', /* sPLT */ - 116, 73, 77, 69, (png_byte) '\0', /* tIME */ - }; - #endif - - ... - - #if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) - /* ignore all unknown chunks: */ - png_set_keep_unknown_chunks(read_ptr, 1, NULL, 0); - /* except for vpAg: */ - png_set_keep_unknown_chunks(read_ptr, 2, vpAg, 1); - /* also ignore unused known chunks: */ - png_set_keep_unknown_chunks(read_ptr, 1, unused_chunks, - (int)sizeof(unused_chunks)/5); - #endif - - -The high-level read interface - -At this point there are two ways to proceed; through the high-level -read interface, or through a sequence of low-level read operations. -You can use the high-level interface if (a) you are willing to read -the entire image into memory, and (b) the input transformations -you want to do are limited to the following set: - - PNG_TRANSFORM_IDENTITY No transformation - PNG_TRANSFORM_STRIP_16 Strip 16-bit samples to - 8 bits - PNG_TRANSFORM_STRIP_ALPHA Discard the alpha channel - PNG_TRANSFORM_PACKING Expand 1, 2 and 4-bit - samples to bytes - PNG_TRANSFORM_PACKSWAP Change order of packed - pixels to LSB first - PNG_TRANSFORM_EXPAND Perform set_expand() - PNG_TRANSFORM_INVERT_MONO Invert monochrome images - PNG_TRANSFORM_SHIFT Normalize pixels to the - sBIT depth - PNG_TRANSFORM_BGR Flip RGB to BGR, RGBA - to BGRA - PNG_TRANSFORM_SWAP_ALPHA Flip RGBA to ARGB or GA - to AG - PNG_TRANSFORM_INVERT_ALPHA Change alpha from opacity - to transparency - PNG_TRANSFORM_SWAP_ENDIAN Byte-swap 16-bit samples - -(This excludes setting a background color, doing gamma transformation, -dithering, and setting filler.) If this is the case, simply do this: - - png_read_png(png_ptr, info_ptr, png_transforms, NULL) - -where png_transforms is an integer containing the bitwise OR of -some set of transformation flags. This call is equivalent to png_read_info(), -followed the set of transformations indicated by the transform mask, -then png_read_image(), and finally png_read_end(). - -(The final parameter of this call is not yet used. Someday it might point -to transformation parameters required by some future input transform.) - -You must use png_transforms and not call any png_set_transform() functions -when you use png_read_png(). - -After you have called png_read_png(), you can retrieve the image data -with - - row_pointers = png_get_rows(png_ptr, info_ptr); - -where row_pointers is an array of pointers to the pixel data for each row: - - png_bytep row_pointers[height]; - -If you know your image size and pixel size ahead of time, you can allocate -row_pointers prior to calling png_read_png() with - - if (height > PNG_UINT_32_MAX/png_sizeof(png_byte)) - png_error (png_ptr, - "Image is too tall to process in memory"); - if (width > PNG_UINT_32_MAX/pixel_size) - png_error (png_ptr, - "Image is too wide to process in memory"); - row_pointers = png_malloc(png_ptr, - height*png_sizeof(png_bytep)); - for (int i=0; i) and -png_get_(png_ptr, info_ptr, ...) functions return non-zero if the -data has been read, or zero if it is missing. The parameters to the -png_get_ are set directly if they are simple data types, or a pointer -into the info_ptr is returned for any complex types. - - png_get_PLTE(png_ptr, info_ptr, &palette, - &num_palette); - palette - the palette for the file - (array of png_color) - num_palette - number of entries in the palette - - png_get_gAMA(png_ptr, info_ptr, &gamma); - gamma - the gamma the file is written - at (PNG_INFO_gAMA) - - png_get_sRGB(png_ptr, info_ptr, &srgb_intent); - srgb_intent - the rendering intent (PNG_INFO_sRGB) - The presence of the sRGB chunk - means that the pixel data is in the - sRGB color space. This chunk also - implies specific values of gAMA and - cHRM. - - png_get_iCCP(png_ptr, info_ptr, &name, - &compression_type, &profile, &proflen); - name - The profile name. - compression - The compression type; always - PNG_COMPRESSION_TYPE_BASE for PNG 1.0. - You may give NULL to this argument to - ignore it. - profile - International Color Consortium color - profile data. May contain NULs. - proflen - length of profile data in bytes. - - png_get_sBIT(png_ptr, info_ptr, &sig_bit); - sig_bit - the number of significant bits for - (PNG_INFO_sBIT) each of the gray, - red, green, and blue channels, - whichever are appropriate for the - given color type (png_color_16) - - png_get_tRNS(png_ptr, info_ptr, &trans, &num_trans, - &trans_values); - trans - array of transparent entries for - palette (PNG_INFO_tRNS) - trans_values - graylevel or color sample values of - the single transparent color for - non-paletted images (PNG_INFO_tRNS) - num_trans - number of transparent entries - (PNG_INFO_tRNS) - - png_get_hIST(png_ptr, info_ptr, &hist); - (PNG_INFO_hIST) - hist - histogram of palette (array of - png_uint_16) - - png_get_tIME(png_ptr, info_ptr, &mod_time); - mod_time - time image was last modified - (PNG_VALID_tIME) - - png_get_bKGD(png_ptr, info_ptr, &background); - background - background color (PNG_VALID_bKGD) - valid 16-bit red, green and blue - values, regardless of color_type - - num_comments = png_get_text(png_ptr, info_ptr, - &text_ptr, &num_text); - num_comments - number of comments - text_ptr - array of png_text holding image - comments - text_ptr[i].compression - type of compression used - on "text" PNG_TEXT_COMPRESSION_NONE - PNG_TEXT_COMPRESSION_zTXt - PNG_ITXT_COMPRESSION_NONE - PNG_ITXT_COMPRESSION_zTXt - text_ptr[i].key - keyword for comment. Must contain - 1-79 characters. - text_ptr[i].text - text comments for current - keyword. Can be empty. - text_ptr[i].text_length - length of text string, - after decompression, 0 for iTXt - text_ptr[i].itxt_length - length of itxt string, - after decompression, 0 for tEXt/zTXt - text_ptr[i].lang - language of comment (empty - string for unknown). - text_ptr[i].lang_key - keyword in UTF-8 - (empty string for unknown). - num_text - number of comments (same as - num_comments; you can put NULL here - to avoid the duplication) - Note while png_set_text() will accept text, language, - and translated keywords that can be NULL pointers, the - structure returned by png_get_text will always contain - regular zero-terminated C strings. They might be - empty strings but they will never be NULL pointers. - - num_spalettes = png_get_sPLT(png_ptr, info_ptr, - &palette_ptr); - palette_ptr - array of palette structures holding - contents of one or more sPLT chunks - read. - num_spalettes - number of sPLT chunks read. - - png_get_oFFs(png_ptr, info_ptr, &offset_x, &offset_y, - &unit_type); - offset_x - positive offset from the left edge - of the screen - offset_y - positive offset from the top edge - of the screen - unit_type - PNG_OFFSET_PIXEL, PNG_OFFSET_MICROMETER - - png_get_pHYs(png_ptr, info_ptr, &res_x, &res_y, - &unit_type); - res_x - pixels/unit physical resolution in - x direction - res_y - pixels/unit physical resolution in - x direction - unit_type - PNG_RESOLUTION_UNKNOWN, - PNG_RESOLUTION_METER - - png_get_sCAL(png_ptr, info_ptr, &unit, &width, - &height) - unit - physical scale units (an integer) - width - width of a pixel in physical scale units - height - height of a pixel in physical scale units - (width and height are doubles) - - png_get_sCAL_s(png_ptr, info_ptr, &unit, &width, - &height) - unit - physical scale units (an integer) - width - width of a pixel in physical scale units - height - height of a pixel in physical scale units - (width and height are strings like "2.54") - - num_unknown_chunks = png_get_unknown_chunks(png_ptr, - info_ptr, &unknowns) - unknowns - array of png_unknown_chunk - structures holding unknown chunks - unknowns[i].name - name of unknown chunk - unknowns[i].data - data of unknown chunk - unknowns[i].size - size of unknown chunk's data - unknowns[i].location - position of chunk in file - - The value of "i" corresponds to the order in which the - chunks were read from the PNG file or inserted with the - png_set_unknown_chunks() function. - -The data from the pHYs chunk can be retrieved in several convenient -forms: - - res_x = png_get_x_pixels_per_meter(png_ptr, - info_ptr) - res_y = png_get_y_pixels_per_meter(png_ptr, - info_ptr) - res_x_and_y = png_get_pixels_per_meter(png_ptr, - info_ptr) - res_x = png_get_x_pixels_per_inch(png_ptr, - info_ptr) - res_y = png_get_y_pixels_per_inch(png_ptr, - info_ptr) - res_x_and_y = png_get_pixels_per_inch(png_ptr, - info_ptr) - aspect_ratio = png_get_pixel_aspect_ratio(png_ptr, - info_ptr) - - (Each of these returns 0 [signifying "unknown"] if - the data is not present or if res_x is 0; - res_x_and_y is 0 if res_x != res_y) - -The data from the oFFs chunk can be retrieved in several convenient -forms: - - x_offset = png_get_x_offset_microns(png_ptr, info_ptr); - y_offset = png_get_y_offset_microns(png_ptr, info_ptr); - x_offset = png_get_x_offset_inches(png_ptr, info_ptr); - y_offset = png_get_y_offset_inches(png_ptr, info_ptr); - - (Each of these returns 0 [signifying "unknown" if both - x and y are 0] if the data is not present or if the - chunk is present but the unit is the pixel) - -For more information, see the png_info definition in png.h and the -PNG specification for chunk contents. Be careful with trusting -rowbytes, as some of the transformations could increase the space -needed to hold a row (expand, filler, gray_to_rgb, etc.). -See png_read_update_info(), below. - -A quick word about text_ptr and num_text. PNG stores comments in -keyword/text pairs, one pair per chunk, with no limit on the number -of text chunks, and a 2^31 byte limit on their size. While there are -suggested keywords, there is no requirement to restrict the use to these -strings. It is strongly suggested that keywords and text be sensible -to humans (that's the point), so don't use abbreviations. Non-printing -symbols are not allowed. See the PNG specification for more details. -There is also no requirement to have text after the keyword. - -Keywords should be limited to 79 Latin-1 characters without leading or -trailing spaces, but non-consecutive spaces are allowed within the -keyword. It is possible to have the same keyword any number of times. -The text_ptr is an array of png_text structures, each holding a -pointer to a language string, a pointer to a keyword and a pointer to -a text string. The text string, language code, and translated -keyword may be empty or NULL pointers. The keyword/text -pairs are put into the array in the order that they are received. -However, some or all of the text chunks may be after the image, so, to -make sure you have read all the text chunks, don't mess with these -until after you read the stuff after the image. This will be -mentioned again below in the discussion that goes with png_read_end(). - -Input transformations - -After you've read the header information, you can set up the library -to handle any special transformations of the image data. The various -ways to transform the data will be described in the order that they -should occur. This is important, as some of these change the color -type and/or bit depth of the data, and some others only work on -certain color types and bit depths. Even though each transformation -checks to see if it has data that it can do something with, you should -make sure to only enable a transformation if it will be valid for the -data. For example, don't swap red and blue on grayscale data. - -The colors used for the background and transparency values should be -supplied in the same format/depth as the current image data. They -are stored in the same format/depth as the image data in a bKGD or tRNS -chunk, so this is what libpng expects for this data. The colors are -transformed to keep in sync with the image data when an application -calls the png_read_update_info() routine (see below). - -Data will be decoded into the supplied row buffers packed into bytes -unless the library has been told to transform it into another format. -For example, 4 bit/pixel paletted or grayscale data will be returned -2 pixels/byte with the leftmost pixel in the high-order bits of the -byte, unless png_set_packing() is called. 8-bit RGB data will be stored -in RGB RGB RGB format unless png_set_filler() or png_set_add_alpha() -is called to insert filler bytes, either before or after each RGB triplet. -16-bit RGB data will be returned RRGGBB RRGGBB, with the most significant -byte of the color value first, unless png_set_strip_16() is called to -transform it to regular RGB RGB triplets, or png_set_filler() or -png_set_add alpha() is called to insert filler bytes, either before or -after each RRGGBB triplet. Similarly, 8-bit or 16-bit grayscale data can -be modified with -png_set_filler(), png_set_add_alpha(), or png_set_strip_16(). - -The following code transforms grayscale images of less than 8 to 8 bits, -changes paletted images to RGB, and adds a full alpha channel if there is -transparency information in a tRNS chunk. This is most useful on -grayscale images with bit depths of 2 or 4 or if there is a multiple-image -viewing application that wishes to treat all images in the same way. - - if (color_type == PNG_COLOR_TYPE_PALETTE) - png_set_palette_to_rgb(png_ptr); - - if (color_type == PNG_COLOR_TYPE_GRAY && - bit_depth < 8) png_set_expand_gray_1_2_4_to_8(png_ptr); - - if (png_get_valid(png_ptr, info_ptr, - PNG_INFO_tRNS)) png_set_tRNS_to_alpha(png_ptr); - -These three functions are actually aliases for png_set_expand(), added -in libpng version 1.0.4, with the function names expanded to improve code -readability. In some future version they may actually do different -things. - -As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was -added. It expands the sample depth without changing tRNS to alpha. -At the same time, png_set_gray_1_2_4_to_8() was deprecated, and it -will be removed from a future version. - - -PNG can have files with 16 bits per channel. If you only can handle -8 bits per channel, this will strip the pixels down to 8 bit. - - if (bit_depth == 16) - png_set_strip_16(png_ptr); - -If, for some reason, you don't need the alpha channel on an image, -and you want to remove it rather than combining it with the background -(but the image author certainly had in mind that you *would* combine -it with the background, so that's what you should probably do): - - if (color_type & PNG_COLOR_MASK_ALPHA) - png_set_strip_alpha(png_ptr); - -In PNG files, the alpha channel in an image -is the level of opacity. If you need the alpha channel in an image to -be the level of transparency instead of opacity, you can invert the -alpha channel (or the tRNS chunk data) after it's read, so that 0 is -fully opaque and 255 (in 8-bit or paletted images) or 65535 (in 16-bit -images) is fully transparent, with - - png_set_invert_alpha(png_ptr); - -PNG files pack pixels of bit depths 1, 2, and 4 into bytes as small as -they can, resulting in, for example, 8 pixels per byte for 1 bit -files. This code expands to 1 pixel per byte without changing the -values of the pixels: - - if (bit_depth < 8) - png_set_packing(png_ptr); - -PNG files have possible bit depths of 1, 2, 4, 8, and 16. All pixels -stored in a PNG image have been "scaled" or "shifted" up to the next -higher possible bit depth (e.g. from 5 bits/sample in the range [0,31] to -8 bits/sample in the range [0, 255]). However, it is also possible to -convert the PNG pixel data back to the original bit depth of the image. -This call reduces the pixels back down to the original bit depth: - - png_color_8p sig_bit; - - if (png_get_sBIT(png_ptr, info_ptr, &sig_bit)) - png_set_shift(png_ptr, sig_bit); - -PNG files store 3-color pixels in red, green, blue order. This code -changes the storage of the pixels to blue, green, red: - - if (color_type == PNG_COLOR_TYPE_RGB || - color_type == PNG_COLOR_TYPE_RGB_ALPHA) - png_set_bgr(png_ptr); - -PNG files store RGB pixels packed into 3 or 6 bytes. This code expands them -into 4 or 8 bytes for windowing systems that need them in this format: - - if (color_type == PNG_COLOR_TYPE_RGB) - png_set_filler(png_ptr, filler, PNG_FILLER_BEFORE); - -where "filler" is the 8 or 16-bit number to fill with, and the location is -either PNG_FILLER_BEFORE or PNG_FILLER_AFTER, depending upon whether -you want the filler before the RGB or after. This transformation -does not affect images that already have full alpha channels. To add an -opaque alpha channel, use filler=0xff or 0xffff and PNG_FILLER_AFTER which -will generate RGBA pixels. - -Note that png_set_filler() does not change the color type. If you want -to do that, you can add a true alpha channel with - - if (color_type == PNG_COLOR_TYPE_RGB || - color_type == PNG_COLOR_TYPE_GRAY) - png_set_add_alpha(png_ptr, filler, PNG_FILLER_AFTER); - -where "filler" contains the alpha value to assign to each pixel. -This function was added in libpng-1.2.7. - -If you are reading an image with an alpha channel, and you need the -data as ARGB instead of the normal PNG format RGBA: - - if (color_type == PNG_COLOR_TYPE_RGB_ALPHA) - png_set_swap_alpha(png_ptr); - -For some uses, you may want a grayscale image to be represented as -RGB. This code will do that conversion: - - if (color_type == PNG_COLOR_TYPE_GRAY || - color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - png_set_gray_to_rgb(png_ptr); - -Conversely, you can convert an RGB or RGBA image to grayscale or grayscale -with alpha. - - if (color_type == PNG_COLOR_TYPE_RGB || - color_type == PNG_COLOR_TYPE_RGB_ALPHA) - png_set_rgb_to_gray_fixed(png_ptr, error_action, - int red_weight, int green_weight); - - error_action = 1: silently do the conversion - error_action = 2: issue a warning if the original - image has any pixel where - red != green or red != blue - error_action = 3: issue an error and abort the - conversion if the original - image has any pixel where - red != green or red != blue - - red_weight: weight of red component times 100000 - green_weight: weight of green component times 100000 - If either weight is negative, default - weights (21268, 71514) are used. - -If you have set error_action = 1 or 2, you can -later check whether the image really was gray, after processing -the image rows, with the png_get_rgb_to_gray_status(png_ptr) function. -It will return a png_byte that is zero if the image was gray or -1 if there were any non-gray pixels. bKGD and sBIT data -will be silently converted to grayscale, using the green channel -data, regardless of the error_action setting. - -With red_weight+green_weight<=100000, -the normalized graylevel is computed: - - int rw = red_weight * 65536; - int gw = green_weight * 65536; - int bw = 65536 - (rw + gw); - gray = (rw*red + gw*green + bw*blue)/65536; - -The default values approximate those recommended in the Charles -Poynton's Color FAQ, -Copyright (c) 1998-01-04 Charles Poynton - - Y = 0.212671 * R + 0.715160 * G + 0.072169 * B - -Libpng approximates this with - - Y = 0.21268 * R + 0.7151 * G + 0.07217 * B - -which can be expressed with integers as - - Y = (6969 * R + 23434 * G + 2365 * B)/32768 - -The calculation is done in a linear colorspace, if the image gamma -is known. - -If you have a grayscale and you are using png_set_expand_depth(), -png_set_expand(), or png_set_gray_to_rgb to change to truecolor or to -a higher bit-depth, you must either supply the background color as a gray -value at the original file bit-depth (need_expand = 1) or else supply the -background color as an RGB triplet at the final, expanded bit depth -(need_expand = 0). Similarly, if you are reading a paletted image, you -must either supply the background color as a palette index (need_expand = 1) -or as an RGB triplet that may or may not be in the palette (need_expand = 0). - - png_color_16 my_background; - png_color_16p image_background; - - if (png_get_bKGD(png_ptr, info_ptr, &image_background)) - png_set_background(png_ptr, image_background, - PNG_BACKGROUND_GAMMA_FILE, 1, 1.0); - else - png_set_background(png_ptr, &my_background, - PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); - -The png_set_background() function tells libpng to composite images -with alpha or simple transparency against the supplied background -color. If the PNG file contains a bKGD chunk (PNG_INFO_bKGD valid), -you may use this color, or supply another color more suitable for -the current display (e.g., the background color from a web page). You -need to tell libpng whether the color is in the gamma space of the -display (PNG_BACKGROUND_GAMMA_SCREEN for colors you supply), the file -(PNG_BACKGROUND_GAMMA_FILE for colors from the bKGD chunk), or one -that is neither of these gammas (PNG_BACKGROUND_GAMMA_UNIQUE - I don't -know why anyone would use this, but it's here). - -To properly display PNG images on any kind of system, the application needs -to know what the display gamma is. Ideally, the user will know this, and -the application will allow them to set it. One method of allowing the user -to set the display gamma separately for each system is to check for a -SCREEN_GAMMA or DISPLAY_GAMMA environment variable, which will hopefully be -correctly set. - -Note that display_gamma is the overall gamma correction required to produce -pleasing results, which depends on the lighting conditions in the surrounding -environment. In a dim or brightly lit room, no compensation other than -the physical gamma exponent of the monitor is needed, while in a dark room -a slightly smaller exponent is better. - - double gamma, screen_gamma; - - if (/* We have a user-defined screen - gamma value */) - { - screen_gamma = user_defined_screen_gamma; - } - /* One way that applications can share the same - screen gamma value */ - else if ((gamma_str = getenv("SCREEN_GAMMA")) - != NULL) - { - screen_gamma = (double)atof(gamma_str); - } - /* If we don't have another value */ - else - { - screen_gamma = 2.2; /* A good guess for a - PC monitor in a bright office or a dim room */ - screen_gamma = 2.0; /* A good guess for a - PC monitor in a dark room */ - screen_gamma = 1.7 or 1.0; /* A good - guess for Mac systems */ - } - -The png_set_gamma() function handles gamma transformations of the data. -Pass both the file gamma and the current screen_gamma. If the file does -not have a gamma value, you can pass one anyway if you have an idea what -it is (usually 0.45455 is a good guess for GIF images on PCs). Note -that file gammas are inverted from screen gammas. See the discussions -on gamma in the PNG specification for an excellent description of what -gamma is, and why all applications should support it. It is strongly -recommended that PNG viewers support gamma correction. - - if (png_get_gAMA(png_ptr, info_ptr, &gamma)) - png_set_gamma(png_ptr, screen_gamma, gamma); - else - png_set_gamma(png_ptr, screen_gamma, 0.45455); - -If you need to reduce an RGB file to a paletted file, or if a paletted -file has more entries then will fit on your screen, png_set_dither() -will do that. Note that this is a simple match dither that merely -finds the closest color available. This should work fairly well with -optimized palettes, and fairly badly with linear color cubes. If you -pass a palette that is larger then maximum_colors, the file will -reduce the number of colors in the palette so it will fit into -maximum_colors. If there is a histogram, it will use it to make -more intelligent choices when reducing the palette. If there is no -histogram, it may not do as good a job. - - if (color_type & PNG_COLOR_MASK_COLOR) - { - if (png_get_valid(png_ptr, info_ptr, - PNG_INFO_PLTE)) - { - png_uint_16p histogram = NULL; - - png_get_hIST(png_ptr, info_ptr, - &histogram); - png_set_dither(png_ptr, palette, num_palette, - max_screen_colors, histogram, 1); - } - else - { - png_color std_color_cube[MAX_SCREEN_COLORS] = - { ... colors ... }; - - png_set_dither(png_ptr, std_color_cube, - MAX_SCREEN_COLORS, MAX_SCREEN_COLORS, - NULL,0); - } - } - -PNG files describe monochrome as black being zero and white being one. -The following code will reverse this (make black be one and white be -zero): - - if (bit_depth == 1 && color_type == PNG_COLOR_TYPE_GRAY) - png_set_invert_mono(png_ptr); - -This function can also be used to invert grayscale and gray-alpha images: - - if (color_type == PNG_COLOR_TYPE_GRAY || - color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - png_set_invert_mono(png_ptr); - -PNG files store 16 bit pixels in network byte order (big-endian, -ie. most significant bits first). This code changes the storage to the -other way (little-endian, i.e. least significant bits first, the -way PCs store them): - - if (bit_depth == 16) - png_set_swap(png_ptr); - -If you are using packed-pixel images (1, 2, or 4 bits/pixel), and you -need to change the order the pixels are packed into bytes, you can use: - - if (bit_depth < 8) - png_set_packswap(png_ptr); - -Finally, you can write your own transformation function if none of -the existing ones meets your needs. This is done by setting a callback -with - - png_set_read_user_transform_fn(png_ptr, - read_transform_fn); - -You must supply the function - - void read_transform_fn(png_ptr ptr, row_info_ptr - row_info, png_bytep data) - -See pngtest.c for a working example. Your function will be called -after all of the other transformations have been processed. - -You can also set up a pointer to a user structure for use by your -callback function, and you can inform libpng that your transform -function will change the number of channels or bit depth with the -function - - png_set_user_transform_info(png_ptr, user_ptr, - user_depth, user_channels); - -The user's application, not libpng, is responsible for allocating and -freeing any memory required for the user structure. - -You can retrieve the pointer via the function -png_get_user_transform_ptr(). For example: - - voidp read_user_transform_ptr = - png_get_user_transform_ptr(png_ptr); - -The last thing to handle is interlacing; this is covered in detail below, -but you must call the function here if you want libpng to handle expansion -of the interlaced image. - - number_of_passes = png_set_interlace_handling(png_ptr); - -After setting the transformations, libpng can update your png_info -structure to reflect any transformations you've requested with this -call. This is most useful to update the info structure's rowbytes -field so you can use it to allocate your image memory. This function -will also update your palette with the correct screen_gamma and -background if these have been given with the calls above. - - png_read_update_info(png_ptr, info_ptr); - -After you call png_read_update_info(), you can allocate any -memory you need to hold the image. The row data is simply -raw byte data for all forms of images. As the actual allocation -varies among applications, no example will be given. If you -are allocating one large chunk, you will need to build an -array of pointers to each row, as it will be needed for some -of the functions below. - -Reading image data - -After you've allocated memory, you can read the image data. -The simplest way to do this is in one function call. If you are -allocating enough memory to hold the whole image, you can just -call png_read_image() and libpng will read in all the image data -and put it in the memory area supplied. You will need to pass in -an array of pointers to each row. - -This function automatically handles interlacing, so you don't need -to call png_set_interlace_handling() or call this function multiple -times, or any of that other stuff necessary with png_read_rows(). - - png_read_image(png_ptr, row_pointers); - -where row_pointers is: - - png_bytep row_pointers[height]; - -You can point to void or char or whatever you use for pixels. - -If you don't want to read in the whole image at once, you can -use png_read_rows() instead. If there is no interlacing (check -interlace_type == PNG_INTERLACE_NONE), this is simple: - - png_read_rows(png_ptr, row_pointers, NULL, - number_of_rows); - -where row_pointers is the same as in the png_read_image() call. - -If you are doing this just one row at a time, you can do this with -a single row_pointer instead of an array of row_pointers: - - png_bytep row_pointer = row; - png_read_row(png_ptr, row_pointer, NULL); - -If the file is interlaced (interlace_type != 0 in the IHDR chunk), things -get somewhat harder. The only current (PNG Specification version 1.2) -interlacing type for PNG is (interlace_type == PNG_INTERLACE_ADAM7) -is a somewhat complicated 2D interlace scheme, known as Adam7, that -breaks down an image into seven smaller images of varying size, based -on an 8x8 grid. - -libpng can fill out those images or it can give them to you "as is". -If you want them filled out, there are two ways to do that. The one -mentioned in the PNG specification is to expand each pixel to cover -those pixels that have not been read yet (the "rectangle" method). -This results in a blocky image for the first pass, which gradually -smooths out as more pixels are read. The other method is the "sparkle" -method, where pixels are drawn only in their final locations, with the -rest of the image remaining whatever colors they were initialized to -before the start of the read. The first method usually looks better, -but tends to be slower, as there are more pixels to put in the rows. - -If you don't want libpng to handle the interlacing details, just call -png_read_rows() seven times to read in all seven images. Each of the -images is a valid image by itself, or they can all be combined on an -8x8 grid to form a single image (although if you intend to combine them -you would be far better off using the libpng interlace handling). - -The first pass will return an image 1/8 as wide as the entire image -(every 8th column starting in column 0) and 1/8 as high as the original -(every 8th row starting in row 0), the second will be 1/8 as wide -(starting in column 4) and 1/8 as high (also starting in row 0). The -third pass will be 1/4 as wide (every 4th pixel starting in column 0) and -1/8 as high (every 8th row starting in row 4), and the fourth pass will -be 1/4 as wide and 1/4 as high (every 4th column starting in column 2, -and every 4th row starting in row 0). The fifth pass will return an -image 1/2 as wide, and 1/4 as high (starting at column 0 and row 2), -while the sixth pass will be 1/2 as wide and 1/2 as high as the original -(starting in column 1 and row 0). The seventh and final pass will be as -wide as the original, and 1/2 as high, containing all of the odd -numbered scanlines. Phew! - -If you want libpng to expand the images, call this before calling -png_start_read_image() or png_read_update_info(): - - if (interlace_type == PNG_INTERLACE_ADAM7) - number_of_passes - = png_set_interlace_handling(png_ptr); - -This will return the number of passes needed. Currently, this -is seven, but may change if another interlace type is added. -This function can be called even if the file is not interlaced, -where it will return one pass. - -If you are not going to display the image after each pass, but are -going to wait until the entire image is read in, use the sparkle -effect. This effect is faster and the end result of either method -is exactly the same. If you are planning on displaying the image -after each pass, the "rectangle" effect is generally considered the -better looking one. - -If you only want the "sparkle" effect, just call png_read_rows() as -normal, with the third parameter NULL. Make sure you make pass over -the image number_of_passes times, and you don't change the data in the -rows between calls. You can change the locations of the data, just -not the data. Each pass only writes the pixels appropriate for that -pass, and assumes the data from previous passes is still valid. - - png_read_rows(png_ptr, row_pointers, NULL, - number_of_rows); - -If you only want the first effect (the rectangles), do the same as -before except pass the row buffer in the third parameter, and leave -the second parameter NULL. - - png_read_rows(png_ptr, NULL, row_pointers, - number_of_rows); - -Finishing a sequential read - -After you are finished reading the image through the -low-level interface, you can finish reading the file. If you are -interested in comments or time, which may be stored either before or -after the image data, you should pass the separate png_info struct if -you want to keep the comments from before and after the image -separate. If you are not interested, you can pass NULL. - - png_read_end(png_ptr, end_info); - -When you are done, you can free all memory allocated by libpng like this: - - png_destroy_read_struct(&png_ptr, &info_ptr, - &end_info); - -It is also possible to individually free the info_ptr members that -point to libpng-allocated storage with the following function: - - png_free_data(png_ptr, info_ptr, mask, seq) - mask - identifies data to be freed, a mask - containing the bitwise OR of one or - more of - PNG_FREE_PLTE, PNG_FREE_TRNS, - PNG_FREE_HIST, PNG_FREE_ICCP, - PNG_FREE_PCAL, PNG_FREE_ROWS, - PNG_FREE_SCAL, PNG_FREE_SPLT, - PNG_FREE_TEXT, PNG_FREE_UNKN, - or simply PNG_FREE_ALL - seq - sequence number of item to be freed - (-1 for all items) - -This function may be safely called when the relevant storage has -already been freed, or has not yet been allocated, or was allocated -by the user and not by libpng, and will in those -cases do nothing. The "seq" parameter is ignored if only one item -of the selected data type, such as PLTE, is allowed. If "seq" is not --1, and multiple items are allowed for the data type identified in -the mask, such as text or sPLT, only the n'th item in the structure -is freed, where n is "seq". - -The default behavior is only to free data that was allocated internally -by libpng. This can be changed, so that libpng will not free the data, -or so that it will free data that was allocated by the user with png_malloc() -or png_zalloc() and passed in via a png_set_*() function, with - - png_data_freer(png_ptr, info_ptr, freer, mask) - mask - which data elements are affected - same choices as in png_free_data() - freer - one of - PNG_DESTROY_WILL_FREE_DATA - PNG_SET_WILL_FREE_DATA - PNG_USER_WILL_FREE_DATA - -This function only affects data that has already been allocated. -You can call this function after reading the PNG data but before calling -any png_set_*() functions, to control whether the user or the png_set_*() -function is responsible for freeing any existing data that might be present, -and again after the png_set_*() functions to control whether the user -or png_destroy_*() is supposed to free the data. When the user assumes -responsibility for libpng-allocated data, the application must use -png_free() to free it, and when the user transfers responsibility to libpng -for data that the user has allocated, the user must have used png_malloc() -or png_zalloc() to allocate it. - -If you allocated your row_pointers in a single block, as suggested above in -the description of the high level read interface, you must not transfer -responsibility for freeing it to the png_set_rows or png_read_destroy function, -because they would also try to free the individual row_pointers[i]. - -If you allocated text_ptr.text, text_ptr.lang, and text_ptr.translated_keyword -separately, do not transfer responsibility for freeing text_ptr to libpng, -because when libpng fills a png_text structure it combines these members with -the key member, and png_free_data() will free only text_ptr.key. Similarly, -if you transfer responsibility for free'ing text_ptr from libpng to your -application, your application must not separately free those members. - -The png_free_data() function will turn off the "valid" flag for anything -it frees. If you need to turn the flag off for a chunk that was freed by your -application instead of by libpng, you can use - - png_set_invalid(png_ptr, info_ptr, mask); - mask - identifies the chunks to be made invalid, - containing the bitwise OR of one or - more of - PNG_INFO_gAMA, PNG_INFO_sBIT, - PNG_INFO_cHRM, PNG_INFO_PLTE, - PNG_INFO_tRNS, PNG_INFO_bKGD, - PNG_INFO_hIST, PNG_INFO_pHYs, - PNG_INFO_oFFs, PNG_INFO_tIME, - PNG_INFO_pCAL, PNG_INFO_sRGB, - PNG_INFO_iCCP, PNG_INFO_sPLT, - PNG_INFO_sCAL, PNG_INFO_IDAT - -For a more compact example of reading a PNG image, see the file example.c. - -Reading PNG files progressively - -The progressive reader is slightly different then the non-progressive -reader. Instead of calling png_read_info(), png_read_rows(), and -png_read_end(), you make one call to png_process_data(), which calls -callbacks when it has the info, a row, or the end of the image. You -set up these callbacks with png_set_progressive_read_fn(). You don't -have to worry about the input/output functions of libpng, as you are -giving the library the data directly in png_process_data(). I will -assume that you have read the section on reading PNG files above, -so I will only highlight the differences (although I will show -all of the code). - -png_structp png_ptr; -png_infop info_ptr; - - /* An example code fragment of how you would - initialize the progressive reader in your - application. */ - int - initialize_png_reader() - { - png_ptr = png_create_read_struct - (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr, - user_error_fn, user_warning_fn); - if (!png_ptr) - return (ERROR); - info_ptr = png_create_info_struct(png_ptr); - if (!info_ptr) - { - png_destroy_read_struct(&png_ptr, (png_infopp)NULL, - (png_infopp)NULL); - return (ERROR); - } - - if (setjmp(png_jmpbuf(png_ptr))) - { - png_destroy_read_struct(&png_ptr, &info_ptr, - (png_infopp)NULL); - return (ERROR); - } - - /* This one's new. You can provide functions - to be called when the header info is valid, - when each row is completed, and when the image - is finished. If you aren't using all functions, - you can specify NULL parameters. Even when all - three functions are NULL, you need to call - png_set_progressive_read_fn(). You can use - any struct as the user_ptr (cast to a void pointer - for the function call), and retrieve the pointer - from inside the callbacks using the function - - png_get_progressive_ptr(png_ptr); - - which will return a void pointer, which you have - to cast appropriately. - */ - png_set_progressive_read_fn(png_ptr, (void *)user_ptr, - info_callback, row_callback, end_callback); - - return 0; - } - - /* A code fragment that you call as you receive blocks - of data */ - int - process_data(png_bytep buffer, png_uint_32 length) - { - if (setjmp(png_jmpbuf(png_ptr))) - { - png_destroy_read_struct(&png_ptr, &info_ptr, - (png_infopp)NULL); - return (ERROR); - } - - /* This one's new also. Simply give it a chunk - of data from the file stream (in order, of - course). On machines with segmented memory - models machines, don't give it any more than - 64K. The library seems to run fine with sizes - of 4K. Although you can give it much less if - necessary (I assume you can give it chunks of - 1 byte, I haven't tried less then 256 bytes - yet). When this function returns, you may - want to display any rows that were generated - in the row callback if you don't already do - so there. - */ - png_process_data(png_ptr, info_ptr, buffer, length); - return 0; - } - - /* This function is called (as set by - png_set_progressive_read_fn() above) when enough data - has been supplied so all of the header has been - read. - */ - void - info_callback(png_structp png_ptr, png_infop info) - { - /* Do any setup here, including setting any of - the transformations mentioned in the Reading - PNG files section. For now, you _must_ call - either png_start_read_image() or - png_read_update_info() after all the - transformations are set (even if you don't set - any). You may start getting rows before - png_process_data() returns, so this is your - last chance to prepare for that. - */ - } - - /* This function is called when each row of image - data is complete */ - void - row_callback(png_structp png_ptr, png_bytep new_row, - png_uint_32 row_num, int pass) - { - /* If the image is interlaced, and you turned - on the interlace handler, this function will - be called for every row in every pass. Some - of these rows will not be changed from the - previous pass. When the row is not changed, - the new_row variable will be NULL. The rows - and passes are called in order, so you don't - really need the row_num and pass, but I'm - supplying them because it may make your life - easier. - - For the non-NULL rows of interlaced images, - you must call png_progressive_combine_row() - passing in the row and the old row. You can - call this function for NULL rows (it will just - return) and for non-interlaced images (it just - does the memcpy for you) if it will make the - code easier. Thus, you can just do this for - all cases: - */ - - png_progressive_combine_row(png_ptr, old_row, - new_row); - - /* where old_row is what was displayed for - previously for the row. Note that the first - pass (pass == 0, really) will completely cover - the old row, so the rows do not have to be - initialized. After the first pass (and only - for interlaced images), you will have to pass - the current row, and the function will combine - the old row and the new row. - */ - } - - void - end_callback(png_structp png_ptr, png_infop info) - { - /* This function is called after the whole image - has been read, including any chunks after the - image (up to and including the IEND). You - will usually have the same info chunk as you - had in the header, although some data may have - been added to the comments and time fields. - - Most people won't do much here, perhaps setting - a flag that marks the image as finished. - */ - } - - - -IV. Writing - -Much of this is very similar to reading. However, everything of -importance is repeated here, so you won't have to constantly look -back up in the reading section to understand writing. - -Setup - -You will want to do the I/O initialization before you get into libpng, -so if it doesn't work, you don't have anything to undo. If you are not -using the standard I/O functions, you will need to replace them with -custom writing functions. See the discussion under Customizing libpng. - - FILE *fp = fopen(file_name, "wb"); - if (!fp) - { - return (ERROR); - } - -Next, png_struct and png_info need to be allocated and initialized. -As these can be both relatively large, you may not want to store these -on the stack, unless you have stack space to spare. Of course, you -will want to check if they return NULL. If you are also reading, -you won't want to name your read structure and your write structure -both "png_ptr"; you can call them anything you like, such as -"read_ptr" and "write_ptr". Look at pngtest.c, for example. - - png_structp png_ptr = png_create_write_struct - (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr, - user_error_fn, user_warning_fn); - if (!png_ptr) - return (ERROR); - - png_infop info_ptr = png_create_info_struct(png_ptr); - if (!info_ptr) - { - png_destroy_write_struct(&png_ptr, - (png_infopp)NULL); - return (ERROR); - } - -If you want to use your own memory allocation routines, -define PNG_USER_MEM_SUPPORTED and use -png_create_write_struct_2() instead of png_create_write_struct(): - - png_structp png_ptr = png_create_write_struct_2 - (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr, - user_error_fn, user_warning_fn, (png_voidp) - user_mem_ptr, user_malloc_fn, user_free_fn); - -After you have these structures, you will need to set up the -error handling. When libpng encounters an error, it expects to -longjmp() back to your routine. Therefore, you will need to call -setjmp() and pass the png_jmpbuf(png_ptr). If you -write the file from different routines, you will need to update -the png_jmpbuf(png_ptr) every time you enter a new routine that will -call a png_*() function. See your documentation of setjmp/longjmp -for your compiler for more information on setjmp/longjmp. See -the discussion on libpng error handling in the Customizing Libpng -section below for more information on the libpng error handling. - - if (setjmp(png_jmpbuf(png_ptr))) - { - png_destroy_write_struct(&png_ptr, &info_ptr); - fclose(fp); - return (ERROR); - } - ... - return; - -If you would rather avoid the complexity of setjmp/longjmp issues, -you can compile libpng with PNG_SETJMP_NOT_SUPPORTED, in which case -errors will result in a call to PNG_ABORT() which defaults to abort(). - -Now you need to set up the output code. The default for libpng is to -use the C function fwrite(). If you use this, you will need to pass a -valid FILE * in the function png_init_io(). Be sure that the file is -opened in binary mode. Again, if you wish to handle writing data in -another way, see the discussion on libpng I/O handling in the Customizing -Libpng section below. - - png_init_io(png_ptr, fp); - -If you are embedding your PNG into a datastream such as MNG, and don't -want libpng to write the 8-byte signature, or if you have already -written the signature in your application, use - - png_set_sig_bytes(png_ptr, 8); - -to inform libpng that it should not write a signature. - -Write callbacks - -At this point, you can set up a callback function that will be -called after each row has been written, which you can use to control -a progress meter or the like. It's demonstrated in pngtest.c. -You must supply a function - - void write_row_callback(png_ptr, png_uint_32 row, - int pass); - { - /* put your code here */ - } - -(You can give it another name that you like instead of "write_row_callback") - -To inform libpng about your function, use - - png_set_write_status_fn(png_ptr, write_row_callback); - -You now have the option of modifying how the compression library will -run. The following functions are mainly for testing, but may be useful -in some cases, like if you need to write PNG files extremely fast and -are willing to give up some compression, or if you want to get the -maximum possible compression at the expense of slower writing. If you -have no special needs in this area, let the library do what it wants by -not calling this function at all, as it has been tuned to deliver a good -speed/compression ratio. The second parameter to png_set_filter() is -the filter method, for which the only valid values are 0 (as of the -July 1999 PNG specification, version 1.2) or 64 (if you are writing -a PNG datastream that is to be embedded in a MNG datastream). The third -parameter is a flag that indicates which filter type(s) are to be tested -for each scanline. See the PNG specification for details on the specific filter -types. - - - /* turn on or off filtering, and/or choose - specific filters. You can use either a single - PNG_FILTER_VALUE_NAME or the bitwise OR of one - or more PNG_FILTER_NAME masks. */ - png_set_filter(png_ptr, 0, - PNG_FILTER_NONE | PNG_FILTER_VALUE_NONE | - PNG_FILTER_SUB | PNG_FILTER_VALUE_SUB | - PNG_FILTER_UP | PNG_FILTER_VALUE_UP | - PNG_FILTER_AVE | PNG_FILTER_VALUE_AVE | - PNG_FILTER_PAETH | PNG_FILTER_VALUE_PAETH| - PNG_ALL_FILTERS); - -If an application -wants to start and stop using particular filters during compression, -it should start out with all of the filters (to ensure that the previous -row of pixels will be stored in case it's needed later), and then add -and remove them after the start of compression. - -If you are writing a PNG datastream that is to be embedded in a MNG -datastream, the second parameter can be either 0 or 64. - -The png_set_compression_*() functions interface to the zlib compression -library, and should mostly be ignored unless you really know what you are -doing. The only generally useful call is png_set_compression_level() -which changes how much time zlib spends on trying to compress the image -data. See the Compression Library (zlib.h and algorithm.txt, distributed -with zlib) for details on the compression levels. - - /* set the zlib compression level */ - png_set_compression_level(png_ptr, - Z_BEST_COMPRESSION); - - /* set other zlib parameters */ - png_set_compression_mem_level(png_ptr, 8); - png_set_compression_strategy(png_ptr, - Z_DEFAULT_STRATEGY); - png_set_compression_window_bits(png_ptr, 15); - png_set_compression_method(png_ptr, 8); - png_set_compression_buffer_size(png_ptr, 8192) - -extern PNG_EXPORT(void,png_set_zbuf_size) - -Setting the contents of info for output - -You now need to fill in the png_info structure with all the data you -wish to write before the actual image. Note that the only thing you -are allowed to write after the image is the text chunks and the time -chunk (as of PNG Specification 1.2, anyway). See png_write_end() and -the latest PNG specification for more information on that. If you -wish to write them before the image, fill them in now, and flag that -data as being valid. If you want to wait until after the data, don't -fill them until png_write_end(). For all the fields in png_info and -their data types, see png.h. For explanations of what the fields -contain, see the PNG specification. - -Some of the more important parts of the png_info are: - - png_set_IHDR(png_ptr, info_ptr, width, height, - bit_depth, color_type, interlace_type, - compression_type, filter_method) - width - holds the width of the image - in pixels (up to 2^31). - height - holds the height of the image - in pixels (up to 2^31). - bit_depth - holds the bit depth of one of the - image channels. - (valid values are 1, 2, 4, 8, 16 - and depend also on the - color_type. See also significant - bits (sBIT) below). - color_type - describes which color/alpha - channels are present. - PNG_COLOR_TYPE_GRAY - (bit depths 1, 2, 4, 8, 16) - PNG_COLOR_TYPE_GRAY_ALPHA - (bit depths 8, 16) - PNG_COLOR_TYPE_PALETTE - (bit depths 1, 2, 4, 8) - PNG_COLOR_TYPE_RGB - (bit_depths 8, 16) - PNG_COLOR_TYPE_RGB_ALPHA - (bit_depths 8, 16) - - PNG_COLOR_MASK_PALETTE - PNG_COLOR_MASK_COLOR - PNG_COLOR_MASK_ALPHA - - interlace_type - PNG_INTERLACE_NONE or - PNG_INTERLACE_ADAM7 - compression_type - (must be - PNG_COMPRESSION_TYPE_DEFAULT) - filter_method - (must be PNG_FILTER_TYPE_DEFAULT - or, if you are writing a PNG to - be embedded in a MNG datastream, - can also be - PNG_INTRAPIXEL_DIFFERENCING) - -If you call png_set_IHDR(), the call must appear before any of the -other png_set_*() functions, which might require access to some of -the IHDR settings. The remaining png_set_*() functions can be called -in any order. - - png_set_PLTE(png_ptr, info_ptr, palette, - num_palette); - palette - the palette for the file - (array of png_color) - num_palette - number of entries in the palette - - png_set_gAMA(png_ptr, info_ptr, gamma); - gamma - the gamma the image was created - at (PNG_INFO_gAMA) - - png_set_sRGB(png_ptr, info_ptr, srgb_intent); - srgb_intent - the rendering intent - (PNG_INFO_sRGB) The presence of - the sRGB chunk means that the pixel - data is in the sRGB color space. - This chunk also implies specific - values of gAMA and cHRM. Rendering - intent is the CSS-1 property that - has been defined by the International - Color Consortium - (http://www.color.org). - It can be one of - PNG_sRGB_INTENT_SATURATION, - PNG_sRGB_INTENT_PERCEPTUAL, - PNG_sRGB_INTENT_ABSOLUTE, or - PNG_sRGB_INTENT_RELATIVE. - - - png_set_sRGB_gAMA_and_cHRM(png_ptr, info_ptr, - srgb_intent); - srgb_intent - the rendering intent - (PNG_INFO_sRGB) The presence of the - sRGB chunk means that the pixel - data is in the sRGB color space. - This function also causes gAMA and - cHRM chunks with the specific values - that are consistent with sRGB to be - written. - - png_set_iCCP(png_ptr, info_ptr, name, compression_type, - profile, proflen); - name - The profile name. - compression - The compression type; always - PNG_COMPRESSION_TYPE_BASE for PNG 1.0. - You may give NULL to this argument to - ignore it. - profile - International Color Consortium color - profile data. May contain NULs. - proflen - length of profile data in bytes. - - png_set_sBIT(png_ptr, info_ptr, sig_bit); - sig_bit - the number of significant bits for - (PNG_INFO_sBIT) each of the gray, red, - green, and blue channels, whichever are - appropriate for the given color type - (png_color_16) - - png_set_tRNS(png_ptr, info_ptr, trans, num_trans, - trans_values); - trans - array of transparent entries for - palette (PNG_INFO_tRNS) - trans_values - graylevel or color sample values of - the single transparent color for - non-paletted images (PNG_INFO_tRNS) - num_trans - number of transparent entries - (PNG_INFO_tRNS) - - png_set_hIST(png_ptr, info_ptr, hist); - (PNG_INFO_hIST) - hist - histogram of palette (array of - png_uint_16) - - png_set_tIME(png_ptr, info_ptr, mod_time); - mod_time - time image was last modified - (PNG_VALID_tIME) - - png_set_bKGD(png_ptr, info_ptr, background); - background - background color (PNG_VALID_bKGD) - - png_set_text(png_ptr, info_ptr, text_ptr, num_text); - text_ptr - array of png_text holding image - comments - text_ptr[i].compression - type of compression used - on "text" PNG_TEXT_COMPRESSION_NONE - PNG_TEXT_COMPRESSION_zTXt - PNG_ITXT_COMPRESSION_NONE - PNG_ITXT_COMPRESSION_zTXt - text_ptr[i].key - keyword for comment. Must contain - 1-79 characters. - text_ptr[i].text - text comments for current - keyword. Can be NULL or empty. - text_ptr[i].text_length - length of text string, - after decompression, 0 for iTXt - text_ptr[i].itxt_length - length of itxt string, - after decompression, 0 for tEXt/zTXt - text_ptr[i].lang - language of comment (NULL or - empty for unknown). - text_ptr[i].translated_keyword - keyword in UTF-8 (NULL - or empty for unknown). - num_text - number of comments - - png_set_sPLT(png_ptr, info_ptr, &palette_ptr, - num_spalettes); - palette_ptr - array of png_sPLT_struct structures - to be added to the list of palettes - in the info structure. - num_spalettes - number of palette structures to be - added. - - png_set_oFFs(png_ptr, info_ptr, offset_x, offset_y, - unit_type); - offset_x - positive offset from the left - edge of the screen - offset_y - positive offset from the top - edge of the screen - unit_type - PNG_OFFSET_PIXEL, PNG_OFFSET_MICROMETER - - png_set_pHYs(png_ptr, info_ptr, res_x, res_y, - unit_type); - res_x - pixels/unit physical resolution - in x direction - res_y - pixels/unit physical resolution - in y direction - unit_type - PNG_RESOLUTION_UNKNOWN, - PNG_RESOLUTION_METER - - png_set_sCAL(png_ptr, info_ptr, unit, width, height) - unit - physical scale units (an integer) - width - width of a pixel in physical scale units - height - height of a pixel in physical scale units - (width and height are doubles) - - png_set_sCAL_s(png_ptr, info_ptr, unit, width, height) - unit - physical scale units (an integer) - width - width of a pixel in physical scale units - height - height of a pixel in physical scale units - (width and height are strings like "2.54") - - png_set_unknown_chunks(png_ptr, info_ptr, &unknowns, - num_unknowns) - unknowns - array of png_unknown_chunk - structures holding unknown chunks - unknowns[i].name - name of unknown chunk - unknowns[i].data - data of unknown chunk - unknowns[i].size - size of unknown chunk's data - unknowns[i].location - position to write chunk in file - 0: do not write chunk - PNG_HAVE_IHDR: before PLTE - PNG_HAVE_PLTE: before IDAT - PNG_AFTER_IDAT: after IDAT - -The "location" member is set automatically according to -what part of the output file has already been written. -You can change its value after calling png_set_unknown_chunks() -as demonstrated in pngtest.c. Within each of the "locations", -the chunks are sequenced according to their position in the -structure (that is, the value of "i", which is the order in which -the chunk was either read from the input file or defined with -png_set_unknown_chunks). - -A quick word about text and num_text. text is an array of png_text -structures. num_text is the number of valid structures in the array. -Each png_text structure holds a language code, a keyword, a text value, -and a compression type. - -The compression types have the same valid numbers as the compression -types of the image data. Currently, the only valid number is zero. -However, you can store text either compressed or uncompressed, unlike -images, which always have to be compressed. So if you don't want the -text compressed, set the compression type to PNG_TEXT_COMPRESSION_NONE. -Because tEXt and zTXt chunks don't have a language field, if you -specify PNG_TEXT_COMPRESSION_NONE or PNG_TEXT_COMPRESSION_zTXt -any language code or translated keyword will not be written out. - -Until text gets around 1000 bytes, it is not worth compressing it. -After the text has been written out to the file, the compression type -is set to PNG_TEXT_COMPRESSION_NONE_WR or PNG_TEXT_COMPRESSION_zTXt_WR, -so that it isn't written out again at the end (in case you are calling -png_write_end() with the same struct. - -The keywords that are given in the PNG Specification are: - - Title Short (one line) title or - caption for image - Author Name of image's creator - Description Description of image (possibly long) - Copyright Copyright notice - Creation Time Time of original image creation - (usually RFC 1123 format, see below) - Software Software used to create the image - Disclaimer Legal disclaimer - Warning Warning of nature of content - Source Device used to create the image - Comment Miscellaneous comment; conversion - from other image format - -The keyword-text pairs work like this. Keywords should be short -simple descriptions of what the comment is about. Some typical -keywords are found in the PNG specification, as is some recommendations -on keywords. You can repeat keywords in a file. You can even write -some text before the image and some after. For example, you may want -to put a description of the image before the image, but leave the -disclaimer until after, so viewers working over modem connections -don't have to wait for the disclaimer to go over the modem before -they start seeing the image. Finally, keywords should be full -words, not abbreviations. Keywords and text are in the ISO 8859-1 -(Latin-1) character set (a superset of regular ASCII) and can not -contain NUL characters, and should not contain control or other -unprintable characters. To make the comments widely readable, stick -with basic ASCII, and avoid machine specific character set extensions -like the IBM-PC character set. The keyword must be present, but -you can leave off the text string on non-compressed pairs. -Compressed pairs must have a text string, as only the text string -is compressed anyway, so the compression would be meaningless. - -PNG supports modification time via the png_time structure. Two -conversion routines are provided, png_convert_from_time_t() for -time_t and png_convert_from_struct_tm() for struct tm. The -time_t routine uses gmtime(). You don't have to use either of -these, but if you wish to fill in the png_time structure directly, -you should provide the time in universal time (GMT) if possible -instead of your local time. Note that the year number is the full -year (e.g. 1998, rather than 98 - PNG is year 2000 compliant!), and -that months start with 1. - -If you want to store the time of the original image creation, you should -use a plain tEXt chunk with the "Creation Time" keyword. This is -necessary because the "creation time" of a PNG image is somewhat vague, -depending on whether you mean the PNG file, the time the image was -created in a non-PNG format, a still photo from which the image was -scanned, or possibly the subject matter itself. In order to facilitate -machine-readable dates, it is recommended that the "Creation Time" -tEXt chunk use RFC 1123 format dates (e.g. "22 May 1997 18:07:10 GMT"), -although this isn't a requirement. Unlike the tIME chunk, the -"Creation Time" tEXt chunk is not expected to be automatically changed -by the software. To facilitate the use of RFC 1123 dates, a function -png_convert_to_rfc1123(png_timep) is provided to convert from PNG -time to an RFC 1123 format string. - -Writing unknown chunks - -You can use the png_set_unknown_chunks function to queue up chunks -for writing. You give it a chunk name, raw data, and a size; that's -all there is to it. The chunks will be written by the next following -png_write_info_before_PLTE, png_write_info, or png_write_end function. -Any chunks previously read into the info structure's unknown-chunk -list will also be written out in a sequence that satisfies the PNG -specification's ordering rules. - -The high-level write interface - -At this point there are two ways to proceed; through the high-level -write interface, or through a sequence of low-level write operations. -You can use the high-level interface if your image data is present -in the info structure. All defined output -transformations are permitted, enabled by the following masks. - - PNG_TRANSFORM_IDENTITY No transformation - PNG_TRANSFORM_PACKING Pack 1, 2 and 4-bit samples - PNG_TRANSFORM_PACKSWAP Change order of packed - pixels to LSB first - PNG_TRANSFORM_INVERT_MONO Invert monochrome images - PNG_TRANSFORM_SHIFT Normalize pixels to the - sBIT depth - PNG_TRANSFORM_BGR Flip RGB to BGR, RGBA - to BGRA - PNG_TRANSFORM_SWAP_ALPHA Flip RGBA to ARGB or GA - to AG - PNG_TRANSFORM_INVERT_ALPHA Change alpha from opacity - to transparency - PNG_TRANSFORM_SWAP_ENDIAN Byte-swap 16-bit samples - PNG_TRANSFORM_STRIP_FILLER Strip out filler bytes. - -If you have valid image data in the info structure (you can use -png_set_rows() to put image data in the info structure), simply do this: - - png_write_png(png_ptr, info_ptr, png_transforms, NULL) - -where png_transforms is an integer containing the bitwise OR of some set of -transformation flags. This call is equivalent to png_write_info(), -followed the set of transformations indicated by the transform mask, -then png_write_image(), and finally png_write_end(). - -(The final parameter of this call is not yet used. Someday it might point -to transformation parameters required by some future output transform.) - -You must use png_transforms and not call any png_set_transform() functions -when you use png_write_png(). - -The low-level write interface - -If you are going the low-level route instead, you are now ready to -write all the file information up to the actual image data. You do -this with a call to png_write_info(). - - png_write_info(png_ptr, info_ptr); - -Note that there is one transformation you may need to do before -png_write_info(). In PNG files, the alpha channel in an image is the -level of opacity. If your data is supplied as a level of -transparency, you can invert the alpha channel before you write it, so -that 0 is fully transparent and 255 (in 8-bit or paletted images) or -65535 (in 16-bit images) is fully opaque, with - - png_set_invert_alpha(png_ptr); - -This must appear before png_write_info() instead of later with the -other transformations because in the case of paletted images the tRNS -chunk data has to be inverted before the tRNS chunk is written. If -your image is not a paletted image, the tRNS data (which in such cases -represents a single color to be rendered as transparent) won't need to -be changed, and you can safely do this transformation after your -png_write_info() call. - -If you need to write a private chunk that you want to appear before -the PLTE chunk when PLTE is present, you can write the PNG info in -two steps, and insert code to write your own chunk between them: - - png_write_info_before_PLTE(png_ptr, info_ptr); - png_set_unknown_chunks(png_ptr, info_ptr, ...); - png_write_info(png_ptr, info_ptr); - -After you've written the file information, you can set up the library -to handle any special transformations of the image data. The various -ways to transform the data will be described in the order that they -should occur. This is important, as some of these change the color -type and/or bit depth of the data, and some others only work on -certain color types and bit depths. Even though each transformation -checks to see if it has data that it can do something with, you should -make sure to only enable a transformation if it will be valid for the -data. For example, don't swap red and blue on grayscale data. - -PNG files store RGB pixels packed into 3 or 6 bytes. This code tells -the library to strip input data that has 4 or 8 bytes per pixel down -to 3 or 6 bytes (or strip 2 or 4-byte grayscale+filler data to 1 or 2 -bytes per pixel). - - png_set_filler(png_ptr, 0, PNG_FILLER_BEFORE); - -where the 0 is unused, and the location is either PNG_FILLER_BEFORE or -PNG_FILLER_AFTER, depending upon whether the filler byte in the pixel -is stored XRGB or RGBX. - -PNG files pack pixels of bit depths 1, 2, and 4 into bytes as small as -they can, resulting in, for example, 8 pixels per byte for 1 bit files. -If the data is supplied at 1 pixel per byte, use this code, which will -correctly pack the pixels into a single byte: - - png_set_packing(png_ptr); - -PNG files reduce possible bit depths to 1, 2, 4, 8, and 16. If your -data is of another bit depth, you can write an sBIT chunk into the -file so that decoders can recover the original data if desired. - - /* Set the true bit depth of the image data */ - if (color_type & PNG_COLOR_MASK_COLOR) - { - sig_bit.red = true_bit_depth; - sig_bit.green = true_bit_depth; - sig_bit.blue = true_bit_depth; - } - else - { - sig_bit.gray = true_bit_depth; - } - if (color_type & PNG_COLOR_MASK_ALPHA) - { - sig_bit.alpha = true_bit_depth; - } - - png_set_sBIT(png_ptr, info_ptr, &sig_bit); - -If the data is stored in the row buffer in a bit depth other than -one supported by PNG (e.g. 3 bit data in the range 0-7 for a 4-bit PNG), -this will scale the values to appear to be the correct bit depth as -is required by PNG. - - png_set_shift(png_ptr, &sig_bit); - -PNG files store 16 bit pixels in network byte order (big-endian, -ie. most significant bits first). This code would be used if they are -supplied the other way (little-endian, i.e. least significant bits -first, the way PCs store them): - - if (bit_depth > 8) - png_set_swap(png_ptr); - -If you are using packed-pixel images (1, 2, or 4 bits/pixel), and you -need to change the order the pixels are packed into bytes, you can use: - - if (bit_depth < 8) - png_set_packswap(png_ptr); - -PNG files store 3 color pixels in red, green, blue order. This code -would be used if they are supplied as blue, green, red: - - png_set_bgr(png_ptr); - -PNG files describe monochrome as black being zero and white being -one. This code would be used if the pixels are supplied with this reversed -(black being one and white being zero): - - png_set_invert_mono(png_ptr); - -Finally, you can write your own transformation function if none of -the existing ones meets your needs. This is done by setting a callback -with - - png_set_write_user_transform_fn(png_ptr, - write_transform_fn); - -You must supply the function - - void write_transform_fn(png_ptr ptr, row_info_ptr - row_info, png_bytep data) - -See pngtest.c for a working example. Your function will be called -before any of the other transformations are processed. - -You can also set up a pointer to a user structure for use by your -callback function. - - png_set_user_transform_info(png_ptr, user_ptr, 0, 0); - -The user_channels and user_depth parameters of this function are ignored -when writing; you can set them to zero as shown. - -You can retrieve the pointer via the function png_get_user_transform_ptr(). -For example: - - voidp write_user_transform_ptr = - png_get_user_transform_ptr(png_ptr); - -It is possible to have libpng flush any pending output, either manually, -or automatically after a certain number of lines have been written. To -flush the output stream a single time call: - - png_write_flush(png_ptr); - -and to have libpng flush the output stream periodically after a certain -number of scanlines have been written, call: - - png_set_flush(png_ptr, nrows); - -Note that the distance between rows is from the last time png_write_flush() -was called, or the first row of the image if it has never been called. -So if you write 50 lines, and then png_set_flush 25, it will flush the -output on the next scanline, and every 25 lines thereafter, unless -png_write_flush() is called before 25 more lines have been written. -If nrows is too small (less than about 10 lines for a 640 pixel wide -RGB image) the image compression may decrease noticeably (although this -may be acceptable for real-time applications). Infrequent flushing will -only degrade the compression performance by a few percent over images -that do not use flushing. - -Writing the image data - -That's it for the transformations. Now you can write the image data. -The simplest way to do this is in one function call. If you have the -whole image in memory, you can just call png_write_image() and libpng -will write the image. You will need to pass in an array of pointers to -each row. This function automatically handles interlacing, so you don't -need to call png_set_interlace_handling() or call this function multiple -times, or any of that other stuff necessary with png_write_rows(). - - png_write_image(png_ptr, row_pointers); - -where row_pointers is: - - png_byte *row_pointers[height]; - -You can point to void or char or whatever you use for pixels. - -If you don't want to write the whole image at once, you can -use png_write_rows() instead. If the file is not interlaced, -this is simple: - - png_write_rows(png_ptr, row_pointers, - number_of_rows); - -row_pointers is the same as in the png_write_image() call. - -If you are just writing one row at a time, you can do this with -a single row_pointer instead of an array of row_pointers: - - png_bytep row_pointer = row; - - png_write_row(png_ptr, row_pointer); - -When the file is interlaced, things can get a good deal more -complicated. The only currently (as of the PNG Specification -version 1.2, dated July 1999) defined interlacing scheme for PNG files -is the "Adam7" interlace scheme, that breaks down an -image into seven smaller images of varying size. libpng will build -these images for you, or you can do them yourself. If you want to -build them yourself, see the PNG specification for details of which -pixels to write when. - -If you don't want libpng to handle the interlacing details, just -use png_set_interlace_handling() and call png_write_rows() the -correct number of times to write all seven sub-images. - -If you want libpng to build the sub-images, call this before you start -writing any rows: - - number_of_passes = - png_set_interlace_handling(png_ptr); - -This will return the number of passes needed. Currently, this -is seven, but may change if another interlace type is added. - -Then write the complete image number_of_passes times. - - png_write_rows(png_ptr, row_pointers, - number_of_rows); - -As some of these rows are not used, and thus return immediately, -you may want to read about interlacing in the PNG specification, -and only update the rows that are actually used. - -Finishing a sequential write - -After you are finished writing the image, you should finish writing -the file. If you are interested in writing comments or time, you should -pass an appropriately filled png_info pointer. If you are not interested, -you can pass NULL. - - png_write_end(png_ptr, info_ptr); - -When you are done, you can free all memory used by libpng like this: - - png_destroy_write_struct(&png_ptr, &info_ptr); - -It is also possible to individually free the info_ptr members that -point to libpng-allocated storage with the following function: - - png_free_data(png_ptr, info_ptr, mask, seq) - mask - identifies data to be freed, a mask - containing the bitwise OR of one or - more of - PNG_FREE_PLTE, PNG_FREE_TRNS, - PNG_FREE_HIST, PNG_FREE_ICCP, - PNG_FREE_PCAL, PNG_FREE_ROWS, - PNG_FREE_SCAL, PNG_FREE_SPLT, - PNG_FREE_TEXT, PNG_FREE_UNKN, - or simply PNG_FREE_ALL - seq - sequence number of item to be freed - (-1 for all items) - -This function may be safely called when the relevant storage has -already been freed, or has not yet been allocated, or was allocated -by the user and not by libpng, and will in those -cases do nothing. The "seq" parameter is ignored if only one item -of the selected data type, such as PLTE, is allowed. If "seq" is not --1, and multiple items are allowed for the data type identified in -the mask, such as text or sPLT, only the n'th item in the structure -is freed, where n is "seq". - -If you allocated data such as a palette that you passed -in to libpng with png_set_*, you must not free it until just before the call to -png_destroy_write_struct(). - -The default behavior is only to free data that was allocated internally -by libpng. This can be changed, so that libpng will not free the data, -or so that it will free data that was allocated by the user with png_malloc() -or png_zalloc() and passed in via a png_set_*() function, with - - png_data_freer(png_ptr, info_ptr, freer, mask) - mask - which data elements are affected - same choices as in png_free_data() - freer - one of - PNG_DESTROY_WILL_FREE_DATA - PNG_SET_WILL_FREE_DATA - PNG_USER_WILL_FREE_DATA - -For example, to transfer responsibility for some data from a read structure -to a write structure, you could use - - png_data_freer(read_ptr, read_info_ptr, - PNG_USER_WILL_FREE_DATA, - PNG_FREE_PLTE|PNG_FREE_tRNS|PNG_FREE_hIST) - png_data_freer(write_ptr, write_info_ptr, - PNG_DESTROY_WILL_FREE_DATA, - PNG_FREE_PLTE|PNG_FREE_tRNS|PNG_FREE_hIST) - -thereby briefly reassigning responsibility for freeing to the user but -immediately afterwards reassigning it once more to the write_destroy -function. Having done this, it would then be safe to destroy the read -structure and continue to use the PLTE, tRNS, and hIST data in the write -structure. - -This function only affects data that has already been allocated. -You can call this function before calling after the png_set_*() functions -to control whether the user or png_destroy_*() is supposed to free the data. -When the user assumes responsibility for libpng-allocated data, the -application must use -png_free() to free it, and when the user transfers responsibility to libpng -for data that the user has allocated, the user must have used png_malloc() -or png_zalloc() to allocate it. - -If you allocated text_ptr.text, text_ptr.lang, and text_ptr.translated_keyword -separately, do not transfer responsibility for freeing text_ptr to libpng, -because when libpng fills a png_text structure it combines these members with -the key member, and png_free_data() will free only text_ptr.key. Similarly, -if you transfer responsibility for free'ing text_ptr from libpng to your -application, your application must not separately free those members. -For a more compact example of writing a PNG image, see the file example.c. - -V. Modifying/Customizing libpng: - -There are two issues here. The first is changing how libpng does -standard things like memory allocation, input/output, and error handling. -The second deals with more complicated things like adding new chunks, -adding new transformations, and generally changing how libpng works. -Both of those are compile-time issues; that is, they are generally -determined at the time the code is written, and there is rarely a need -to provide the user with a means of changing them. - -Memory allocation, input/output, and error handling - -All of the memory allocation, input/output, and error handling in libpng -goes through callbacks that are user-settable. The default routines are -in pngmem.c, pngrio.c, pngwio.c, and pngerror.c, respectively. To change -these functions, call the appropriate png_set_*_fn() function. - -Memory allocation is done through the functions png_malloc() -and png_free(). These currently just call the standard C functions. If -your pointers can't access more then 64K at a time, you will want to set -MAXSEG_64K in zlib.h. Since it is unlikely that the method of handling -memory allocation on a platform will change between applications, these -functions must be modified in the library at compile time. If you prefer -to use a different method of allocating and freeing data, you can use -png_create_read_struct_2() or png_create_write_struct_2() to register -your own functions as described above. -These functions also provide a void pointer that can be retrieved via - - mem_ptr=png_get_mem_ptr(png_ptr); - -Your replacement memory functions must have prototypes as follows: - - png_voidp malloc_fn(png_structp png_ptr, - png_size_t size); - void free_fn(png_structp png_ptr, png_voidp ptr); - -Your malloc_fn() must return NULL in case of failure. The png_malloc() -function will normally call png_error() if it receives a NULL from the -system memory allocator or from your replacement malloc_fn(). - -Your free_fn() will never be called with a NULL ptr, since libpng's -png_free() checks for NULL before calling free_fn(). - -Input/Output in libpng is done through png_read() and png_write(), -which currently just call fread() and fwrite(). The FILE * is stored in -png_struct and is initialized via png_init_io(). If you wish to change -the method of I/O, the library supplies callbacks that you can set -through the function png_set_read_fn() and png_set_write_fn() at run -time, instead of calling the png_init_io() function. These functions -also provide a void pointer that can be retrieved via the function -png_get_io_ptr(). For example: - - png_set_read_fn(png_structp read_ptr, - voidp read_io_ptr, png_rw_ptr read_data_fn) - - png_set_write_fn(png_structp write_ptr, - voidp write_io_ptr, png_rw_ptr write_data_fn, - png_flush_ptr output_flush_fn); - - voidp read_io_ptr = png_get_io_ptr(read_ptr); - voidp write_io_ptr = png_get_io_ptr(write_ptr); - -The replacement I/O functions must have prototypes as follows: - - void user_read_data(png_structp png_ptr, - png_bytep data, png_size_t length); - void user_write_data(png_structp png_ptr, - png_bytep data, png_size_t length); - void user_flush_data(png_structp png_ptr); - -Supplying NULL for the read, write, or flush functions sets them back -to using the default C stream functions. It is an error to read from -a write stream, and vice versa. - -Error handling in libpng is done through png_error() and png_warning(). -Errors handled through png_error() are fatal, meaning that png_error() -should never return to its caller. Currently, this is handled via -setjmp() and longjmp() (unless you have compiled libpng with -PNG_SETJMP_NOT_SUPPORTED, in which case it is handled via PNG_ABORT()), -but you could change this to do things like exit() if you should wish. - -On non-fatal errors, png_warning() is called -to print a warning message, and then control returns to the calling code. -By default png_error() and png_warning() print a message on stderr via -fprintf() unless the library is compiled with PNG_NO_CONSOLE_IO defined -(because you don't want the messages) or PNG_NO_STDIO defined (because -fprintf() isn't available). If you wish to change the behavior of the error -functions, you will need to set up your own message callbacks. These -functions are normally supplied at the time that the png_struct is created. -It is also possible to redirect errors and warnings to your own replacement -functions after png_create_*_struct() has been called by calling: - - png_set_error_fn(png_structp png_ptr, - png_voidp error_ptr, png_error_ptr error_fn, - png_error_ptr warning_fn); - - png_voidp error_ptr = png_get_error_ptr(png_ptr); - -If NULL is supplied for either error_fn or warning_fn, then the libpng -default function will be used, calling fprintf() and/or longjmp() if a -problem is encountered. The replacement error functions should have -parameters as follows: - - void user_error_fn(png_structp png_ptr, - png_const_charp error_msg); - void user_warning_fn(png_structp png_ptr, - png_const_charp warning_msg); - -The motivation behind using setjmp() and longjmp() is the C++ throw and -catch exception handling methods. This makes the code much easier to write, -as there is no need to check every return code of every function call. -However, there are some uncertainties about the status of local variables -after a longjmp, so the user may want to be careful about doing anything after -setjmp returns non-zero besides returning itself. Consult your compiler -documentation for more details. For an alternative approach, you may wish -to use the "cexcept" facility (see http://cexcept.sourceforge.net). - -Custom chunks - -If you need to read or write custom chunks, you may need to get deeper -into the libpng code. The library now has mechanisms for storing -and writing chunks of unknown type; you can even declare callbacks -for custom chunks. However, this may not be good enough if the -library code itself needs to know about interactions between your -chunk and existing `intrinsic' chunks. - -If you need to write a new intrinsic chunk, first read the PNG -specification. Acquire a first level of -understanding of how it works. Pay particular attention to the -sections that describe chunk names, and look at how other chunks were -designed, so you can do things similarly. Second, check out the -sections of libpng that read and write chunks. Try to find a chunk -that is similar to yours and use it as a template. More details can -be found in the comments inside the code. It is best to handle unknown -chunks in a generic method, via callback functions, instead of by -modifying libpng functions. - -If you wish to write your own transformation for the data, look through -the part of the code that does the transformations, and check out some of -the simpler ones to get an idea of how they work. Try to find a similar -transformation to the one you want to add and copy off of it. More details -can be found in the comments inside the code itself. - -Configuring for 16 bit platforms - -You will want to look into zconf.h to tell zlib (and thus libpng) that -it cannot allocate more then 64K at a time. Even if you can, the memory -won't be accessible. So limit zlib and libpng to 64K by defining MAXSEG_64K. - -Configuring for DOS - -For DOS users who only have access to the lower 640K, you will -have to limit zlib's memory usage via a png_set_compression_mem_level() -call. See zlib.h or zconf.h in the zlib library for more information. - -Configuring for Medium Model - -Libpng's support for medium model has been tested on most of the popular -compilers. Make sure MAXSEG_64K gets defined, USE_FAR_KEYWORD gets -defined, and FAR gets defined to far in pngconf.h, and you should be -all set. Everything in the library (except for zlib's structure) is -expecting far data. You must use the typedefs with the p or pp on -the end for pointers (or at least look at them and be careful). Make -note that the rows of data are defined as png_bytepp, which is an -unsigned char far * far *. - -Configuring for gui/windowing platforms: - -You will need to write new error and warning functions that use the GUI -interface, as described previously, and set them to be the error and -warning functions at the time that png_create_*_struct() is called, -in order to have them available during the structure initialization. -They can be changed later via png_set_error_fn(). On some compilers, -you may also have to change the memory allocators (png_malloc, etc.). - -Configuring for compiler xxx: - -All includes for libpng are in pngconf.h. If you need to add/change/delete -an include, this is the place to do it. The includes that are not -needed outside libpng are protected by the PNG_INTERNAL definition, -which is only defined for those routines inside libpng itself. The -files in libpng proper only include png.h, which includes pngconf.h. - -Configuring zlib: - -There are special functions to configure the compression. Perhaps the -most useful one changes the compression level, which currently uses -input compression values in the range 0 - 9. The library normally -uses the default compression level (Z_DEFAULT_COMPRESSION = 6). Tests -have shown that for a large majority of images, compression values in -the range 3-6 compress nearly as well as higher levels, and do so much -faster. For online applications it may be desirable to have maximum speed -(Z_BEST_SPEED = 1). With versions of zlib after v0.99, you can also -specify no compression (Z_NO_COMPRESSION = 0), but this would create -files larger than just storing the raw bitmap. You can specify the -compression level by calling: - - png_set_compression_level(png_ptr, level); - -Another useful one is to reduce the memory level used by the library. -The memory level defaults to 8, but it can be lowered if you are -short on memory (running DOS, for example, where you only have 640K). -Note that the memory level does have an effect on compression; among -other things, lower levels will result in sections of incompressible -data being emitted in smaller stored blocks, with a correspondingly -larger relative overhead of up to 15% in the worst case. - - png_set_compression_mem_level(png_ptr, level); - -The other functions are for configuring zlib. They are not recommended -for normal use and may result in writing an invalid PNG file. See -zlib.h for more information on what these mean. - - png_set_compression_strategy(png_ptr, - strategy); - png_set_compression_window_bits(png_ptr, - window_bits); - png_set_compression_method(png_ptr, method); - png_set_compression_buffer_size(png_ptr, size); - -Controlling row filtering - -If you want to control whether libpng uses filtering or not, which -filters are used, and how it goes about picking row filters, you -can call one of these functions. The selection and configuration -of row filters can have a significant impact on the size and -encoding speed and a somewhat lesser impact on the decoding speed -of an image. Filtering is enabled by default for RGB and grayscale -images (with and without alpha), but not for paletted images nor -for any images with bit depths less than 8 bits/pixel. - -The 'method' parameter sets the main filtering method, which is -currently only '0' in the PNG 1.2 specification. The 'filters' -parameter sets which filter(s), if any, should be used for each -scanline. Possible values are PNG_ALL_FILTERS and PNG_NO_FILTERS -to turn filtering on and off, respectively. - -Individual filter types are PNG_FILTER_NONE, PNG_FILTER_SUB, -PNG_FILTER_UP, PNG_FILTER_AVG, PNG_FILTER_PAETH, which can be bitwise -ORed together with '|' to specify one or more filters to use. -These filters are described in more detail in the PNG specification. -If you intend to change the filter type during the course of writing -the image, you should start with flags set for all of the filters -you intend to use so that libpng can initialize its internal -structures appropriately for all of the filter types. (Note that this -means the first row must always be adaptively filtered, because libpng -currently does not allocate the filter buffers until png_write_row() -is called for the first time.) - - filters = PNG_FILTER_NONE | PNG_FILTER_SUB - PNG_FILTER_UP | PNG_FILTER_AVE | - PNG_FILTER_PAETH | PNG_ALL_FILTERS; - - png_set_filter(png_ptr, PNG_FILTER_TYPE_BASE, - filters); - The second parameter can also be - PNG_INTRAPIXEL_DIFFERENCING if you are - writing a PNG to be embedded in a MNG - datastream. This parameter must be the - same as the value of filter_method used - in png_set_IHDR(). - -It is also possible to influence how libpng chooses from among the -available filters. This is done in one or both of two ways - by -telling it how important it is to keep the same filter for successive -rows, and by telling it the relative computational costs of the filters. - - double weights[3] = {1.5, 1.3, 1.1}, - costs[PNG_FILTER_VALUE_LAST] = - {1.0, 1.3, 1.3, 1.5, 1.7}; - - png_set_filter_heuristics(png_ptr, - PNG_FILTER_HEURISTIC_WEIGHTED, 3, - weights, costs); - -The weights are multiplying factors that indicate to libpng that the -row filter should be the same for successive rows unless another row filter -is that many times better than the previous filter. In the above example, -if the previous 3 filters were SUB, SUB, NONE, the SUB filter could have a -"sum of absolute differences" 1.5 x 1.3 times higher than other filters -and still be chosen, while the NONE filter could have a sum 1.1 times -higher than other filters and still be chosen. Unspecified weights are -taken to be 1.0, and the specified weights should probably be declining -like those above in order to emphasize recent filters over older filters. - -The filter costs specify for each filter type a relative decoding cost -to be considered when selecting row filters. This means that filters -with higher costs are less likely to be chosen over filters with lower -costs, unless their "sum of absolute differences" is that much smaller. -The costs do not necessarily reflect the exact computational speeds of -the various filters, since this would unduly influence the final image -size. - -Note that the numbers above were invented purely for this example and -are given only to help explain the function usage. Little testing has -been done to find optimum values for either the costs or the weights. - -Removing unwanted object code - -There are a bunch of #define's in pngconf.h that control what parts of -libpng are compiled. All the defines end in _SUPPORTED. If you are -never going to use a capability, you can change the #define to #undef -before recompiling libpng and save yourself code and data space, or -you can turn off individual capabilities with defines that begin with -PNG_NO_. - -You can also turn all of the transforms and ancillary chunk capabilities -off en masse with compiler directives that define -PNG_NO_READ[or WRITE]_TRANSFORMS, or PNG_NO_READ[or WRITE]_ANCILLARY_CHUNKS, -or all four, -along with directives to turn on any of the capabilities that you do -want. The PNG_NO_READ[or WRITE]_TRANSFORMS directives disable -the extra transformations but still leave the library fully capable of reading -and writing PNG files with all known public chunks -Use of the PNG_NO_READ[or WRITE]_ANCILLARY_CHUNKS directive -produces a library that is incapable of reading or writing ancillary chunks. -If you are not using the progressive reading capability, you can -turn that off with PNG_NO_PROGRESSIVE_READ (don't confuse -this with the INTERLACING capability, which you'll still have). - -All the reading and writing specific code are in separate files, so the -linker should only grab the files it needs. However, if you want to -make sure, or if you are building a stand alone library, all the -reading files start with pngr and all the writing files start with -pngw. The files that don't match either (like png.c, pngtrans.c, etc.) -are used for both reading and writing, and always need to be included. -The progressive reader is in pngpread.c - -If you are creating or distributing a dynamically linked library (a .so -or DLL file), you should not remove or disable any parts of the library, -as this will cause applications linked with different versions of the -library to fail if they call functions not available in your library. -The size of the library itself should not be an issue, because only -those sections that are actually used will be loaded into memory. - -Requesting debug printout - -The macro definition PNG_DEBUG can be used to request debugging -printout. Set it to an integer value in the range 0 to 3. Higher -numbers result in increasing amounts of debugging information. The -information is printed to the "stderr" file, unless another file -name is specified in the PNG_DEBUG_FILE macro definition. - -When PNG_DEBUG > 0, the following functions (macros) become available: - - png_debug(level, message) - png_debug1(level, message, p1) - png_debug2(level, message, p1, p2) - -in which "level" is compared to PNG_DEBUG to decide whether to print -the message, "message" is the formatted string to be printed, -and p1 and p2 are parameters that are to be embedded in the string -according to printf-style formatting directives. For example, - - png_debug1(2, "foo=%d\n", foo); - -is expanded to - - if(PNG_DEBUG > 2) - fprintf(PNG_DEBUG_FILE, "foo=%d\n", foo); - -When PNG_DEBUG is defined but is zero, the macros aren't defined, but you -can still use PNG_DEBUG to control your own debugging: - - #ifdef PNG_DEBUG - fprintf(stderr, ... - #endif - -When PNG_DEBUG = 1, the macros are defined, but only png_debug statements -having level = 0 will be printed. There aren't any such statements in -this version of libpng, but if you insert some they will be printed. - -VII. MNG support - -The MNG specification (available at http://www.libpng.org/pub/mng) allows -certain extensions to PNG for PNG images that are embedded in MNG datastreams. -Libpng can support some of these extensions. To enable them, use the -png_permit_mng_features() function: - - feature_set = png_permit_mng_features(png_ptr, mask) - mask is a png_uint_32 containing the bitwise OR of the - features you want to enable. These include - PNG_FLAG_MNG_EMPTY_PLTE - PNG_FLAG_MNG_FILTER_64 - PNG_ALL_MNG_FEATURES - feature_set is a png_uint_32 that is the bitwise AND of - your mask with the set of MNG features that is - supported by the version of libpng that you are using. - -It is an error to use this function when reading or writing a standalone -PNG file with the PNG 8-byte signature. The PNG datastream must be wrapped -in a MNG datastream. As a minimum, it must have the MNG 8-byte signature -and the MHDR and MEND chunks. Libpng does not provide support for these -or any other MNG chunks; your application must provide its own support for -them. You may wish to consider using libmng (available at -http://www.libmng.com) instead. - -VIII. Changes to Libpng from version 0.88 - -It should be noted that versions of libpng later than 0.96 are not -distributed by the original libpng author, Guy Schalnat, nor by -Andreas Dilger, who had taken over from Guy during 1996 and 1997, and -distributed versions 0.89 through 0.96, but rather by another member -of the original PNG Group, Glenn Randers-Pehrson. Guy and Andreas are -still alive and well, but they have moved on to other things. - -The old libpng functions png_read_init(), png_write_init(), -png_info_init(), png_read_destroy(), and png_write_destroy() have been -moved to PNG_INTERNAL in version 0.95 to discourage their use. These -functions will be removed from libpng version 2.0.0. - -The preferred method of creating and initializing the libpng structures is -via the png_create_read_struct(), png_create_write_struct(), and -png_create_info_struct() because they isolate the size of the structures -from the application, allow version error checking, and also allow the -use of custom error handling routines during the initialization, which -the old functions do not. The functions png_read_destroy() and -png_write_destroy() do not actually free the memory that libpng -allocated for these structs, but just reset the data structures, so they -can be used instead of png_destroy_read_struct() and -png_destroy_write_struct() if you feel there is too much system overhead -allocating and freeing the png_struct for each image read. - -Setting the error callbacks via png_set_message_fn() before -png_read_init() as was suggested in libpng-0.88 is no longer supported -because this caused applications that do not use custom error functions -to fail if the png_ptr was not initialized to zero. It is still possible -to set the error callbacks AFTER png_read_init(), or to change them with -png_set_error_fn(), which is essentially the same function, but with a new -name to force compilation errors with applications that try to use the old -method. - -Starting with version 1.0.7, you can find out which version of the library -you are using at run-time: - - png_uint_32 libpng_vn = png_access_version_number(); - -The number libpng_vn is constructed from the major version, minor -version with leading zero, and release number with leading zero, -(e.g., libpng_vn for version 1.0.7 is 10007). - -You can also check which version of png.h you used when compiling your -application: - - png_uint_32 application_vn = PNG_LIBPNG_VER; - -IX. Y2K Compliance in libpng - -December 18, 2008 - -Since the PNG Development group is an ad-hoc body, we can't make -an official declaration. - -This is your unofficial assurance that libpng from version 0.71 and -upward through 1.2.34 are Y2K compliant. It is my belief that earlier -versions were also Y2K compliant. - -Libpng only has three year fields. One is a 2-byte unsigned integer that -will hold years up to 65535. The other two hold the date in text -format, and will hold years up to 9999. - -The integer is - "png_uint_16 year" in png_time_struct. - -The strings are - "png_charp time_buffer" in png_struct and - "near_time_buffer", which is a local character string in png.c. - -There are seven time-related functions: - - png_convert_to_rfc_1123() in png.c - (formerly png_convert_to_rfc_1152() in error) - png_convert_from_struct_tm() in pngwrite.c, called - in pngwrite.c - png_convert_from_time_t() in pngwrite.c - png_get_tIME() in pngget.c - png_handle_tIME() in pngrutil.c, called in pngread.c - png_set_tIME() in pngset.c - png_write_tIME() in pngwutil.c, called in pngwrite.c - -All appear to handle dates properly in a Y2K environment. The -png_convert_from_time_t() function calls gmtime() to convert from system -clock time, which returns (year - 1900), which we properly convert to -the full 4-digit year. There is a possibility that applications using -libpng are not passing 4-digit years into the png_convert_to_rfc_1123() -function, or that they are incorrectly passing only a 2-digit year -instead of "year - 1900" into the png_convert_from_struct_tm() function, -but this is not under our control. The libpng documentation has always -stated that it works with 4-digit years, and the APIs have been -documented as such. - -The tIME chunk itself is also Y2K compliant. It uses a 2-byte unsigned -integer to hold the year, and can hold years as large as 65535. - -zlib, upon which libpng depends, is also Y2K compliant. It contains -no date-related code. - - - Glenn Randers-Pehrson - libpng maintainer - PNG Development Group diff --git a/Build/source/libs/libpng/libpng-1.2.34/libpng.3 b/Build/source/libs/libpng/libpng-1.2.34/libpng.3 deleted file mode 100644 index fb5d65491ac..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/libpng.3 +++ /dev/null @@ -1,4117 +0,0 @@ -.TH LIBPNG 3 "December 18, 2008" -.SH NAME -libpng \- Portable Network Graphics (PNG) Reference Library 1.2.34 -.SH SYNOPSIS -\fI\fB - -\fB#include \fP - -\fI\fB - -\fBpng_uint_32 png_access_version_number \fI(void\fP\fB);\fP - -\fI\fB - -\fBint png_check_sig (png_bytep \fP\fIsig\fP\fB, int \fInum\fP\fB);\fP - -\fI\fB - -\fBvoid png_chunk_error (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fIerror\fP\fB);\fP - -\fI\fB - -\fBvoid png_chunk_warning (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fImessage\fP\fB);\fP - -\fI\fB - -\fBvoid png_convert_from_struct_tm (png_timep \fP\fIptime\fP\fB, struct tm FAR * \fIttime\fP\fB);\fP - -\fI\fB - -\fBvoid png_convert_from_time_t (png_timep \fP\fIptime\fP\fB, time_t \fIttime\fP\fB);\fP - -\fI\fB - -\fBpng_charp png_convert_to_rfc1123 (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fIptime\fP\fB);\fP - -\fI\fB - -\fBpng_infop png_create_info_struct (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_structp png_create_read_struct (png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarn_fn\fP\fB);\fP - -\fI\fB - -\fBpng_structp png_create_read_struct_2(png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fP\fIwarn_fn\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP - -\fI\fB - -\fBpng_structp png_create_write_struct (png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarn_fn\fP\fB);\fP - -\fI\fB - -\fBpng_structp png_create_write_struct_2(png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fP\fIwarn_fn\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP - -\fI\fB - -\fBint png_debug(int \fP\fIlevel\fP\fB, png_const_charp \fImessage\fP\fB);\fP - -\fI\fB - -\fBint png_debug1(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fIp1\fP\fB);\fP - -\fI\fB - -\fBint png_debug2(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fP\fIp1\fP\fB, \fIp2\fP\fB);\fP - -\fI\fB - -\fBvoid png_destroy_info_struct (png_structp \fP\fIpng_ptr\fP\fB, png_infopp \fIinfo_ptr_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_destroy_read_struct (png_structpp \fP\fIpng_ptr_ptr\fP\fB, png_infopp \fP\fIinfo_ptr_ptr\fP\fB, png_infopp \fIend_info_ptr_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_destroy_write_struct (png_structpp \fP\fIpng_ptr_ptr\fP\fB, png_infopp \fIinfo_ptr_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_error (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fIerror\fP\fB);\fP - -\fI\fB - -\fBvoid png_free (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fIptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_free_chunk_list (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_free_default(png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fIptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_free_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fInum\fP\fB);\fP - -\fI\fB - -\fBpng_byte png_get_bit_depth (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_16p \fI*background\fP\fB);\fP - -\fI\fB - -\fBpng_byte png_get_channels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fI*white_x\fP\fB, double \fP\fI*white_y\fP\fB, double \fP\fI*red_x\fP\fB, double \fP\fI*red_y\fP\fB, double \fP\fI*green_x\fP\fB, double \fP\fI*green_y\fP\fB, double \fP\fI*blue_x\fP\fB, double \fI*blue_y\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*white_x\fP\fB, png_uint_32 \fP\fI*white_y\fP\fB, png_uint_32 \fP\fI*red_x\fP\fB, png_uint_32 \fP\fI*red_y\fP\fB, png_uint_32 \fP\fI*green_x\fP\fB, png_uint_32 \fP\fI*green_y\fP\fB, png_uint_32 \fP\fI*blue_x\fP\fB, png_uint_32 \fI*blue_y\fP\fB);\fP - -\fI\fB - -\fBpng_byte png_get_color_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_byte png_get_compression_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_byte png_get_copyright (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_voidp png_get_error_ptr (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_byte png_get_filter_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fI*file_gamma\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fI*int_file_gamma\fP\fB);\fP - -\fI\fB - -\fBpng_byte png_get_header_ver (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_byte png_get_header_version (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_16p \fI*hist\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charpp \fP\fIname\fP\fB, int \fP\fI*compression_type\fP\fB, png_charpp \fP\fIprofile\fP\fB, png_uint_32 \fI*proflen\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*width\fP\fB, png_uint_32 \fP\fI*height\fP\fB, int \fP\fI*bit_depth\fP\fB, int \fP\fI*color_type\fP\fB, int \fP\fI*interlace_type\fP\fB, int \fP\fI*compression_type\fP\fB, int \fI*filter_type\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_image_height (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_image_width (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fB#if \fI!defined(PNG_1_0_X) - -\fBpng_int_32 png_get_int_32 (png_bytep \fIbuf\fP\fB);\fP - -\fI\fB#endif - -\fI\fB - -\fBpng_byte png_get_interlace_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_voidp png_get_io_ptr (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_byte png_get_libpng_ver (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_voidp png_get_mem_ptr(png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*offset_x\fP\fB, png_uint_32 \fP\fI*offset_y\fP\fB, int \fI*unit_type\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fI*purpose\fP\fB, png_int_32 \fP\fI*X0\fP\fB, png_int_32 \fP\fI*X1\fP\fB, int \fP\fI*type\fP\fB, int \fP\fI*nparams\fP\fB, png_charp \fP\fI*units\fP\fB, png_charpp \fI*params\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*res_x\fP\fB, png_uint_32 \fP\fI*res_y\fP\fB, int \fI*unit_type\fP\fB);\fP - -\fI\fB - -\fBfloat png_get_pixel_aspect_ratio (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_voidp png_get_progressive_ptr (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_colorp \fP\fI*palette\fP\fB, int \fI*num_palette\fP\fB);\fP - -\fI\fB - -\fBpng_byte png_get_rgb_to_gray_status (png_structp \fIpng_ptr) - -\fBpng_uint_32 png_get_rowbytes (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_bytepp png_get_rows (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_8p \fI*sig_bit\fP\fB);\fP - -\fI\fB - -\fBpng_bytep png_get_signature (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_spalette_p \fI*splt_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fI*intent\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_text (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fI*text_ptr\fP\fB, int \fI*num_text\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_timep \fI*mod_time\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fI*trans\fP\fB, int \fP\fI*num_trans\fP\fB, png_color_16p \fI*trans_values\fP\fB);\fP - -\fI\fB - -\fB#if \fI!defined(PNG_1_0_X) - -\fBpng_uint_16 png_get_uint_16 (png_bytep \fIbuf\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_uint_31 (png_bytep \fIbuf\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_uint_32 (png_bytep \fIbuf\fP\fB);\fP - -\fI\fB#endif - -\fI\fB - -\fBpng_uint_32 png_get_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_unknown_chunkpp \fIunknowns\fP\fB);\fP - -\fI\fB - -\fBpng_voidp png_get_user_chunk_ptr (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_user_height_max( png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_voidp png_get_user_transform_ptr (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_user_width_max (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_valid (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIflag\fP\fB);\fP - -\fI\fB - -\fBpng_int_32 png_get_x_offset_microns (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_int_32 png_get_x_offset_pixels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_x_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_int_32 png_get_y_offset_microns (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_int_32 png_get_y_offset_pixels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_y_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_get_compression_buffer_size (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBint png_handle_as_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP - -\fI\fB - -\fBvoid png_init_io (png_structp \fP\fIpng_ptr\fP\fB, FILE \fI*fp\fP\fB);\fP - -\fI\fB - -\fBDEPRECATED: void png_info_init (png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBDEPRECATED: void png_info_init_2 (png_infopp \fP\fIptr_ptr\fP\fB, png_size_t \fIpng_info_struct_size\fP\fB);\fP - -\fI\fB - -\fBpng_voidp png_malloc (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP - -\fI\fB - -\fBpng_voidp png_malloc_default(png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP - -\fI\fB - -\fBvoidp png_memcpy (png_voidp \fP\fIs1\fP\fB, png_voidp \fP\fIs2\fP\fB, png_size_t \fIsize\fP\fB);\fP - -\fI\fB - -\fBpng_voidp png_memcpy_check (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIs1\fP\fB, png_voidp \fP\fIs2\fP\fB, png_uint_32 \fIsize\fP\fB);\fP - -\fI\fB - -\fBvoidp png_memset (png_voidp \fP\fIs1\fP\fB, int \fP\fIvalue\fP\fB, png_size_t \fIsize\fP\fB);\fP - -\fI\fB - -\fBpng_voidp png_memset_check (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIs1\fP\fB, int \fP\fIvalue\fP\fB, png_uint_32 \fIsize\fP\fB);\fP - -\fI\fB - -\fBDEPRECATED: void png_permit_empty_plte (png_structp \fP\fIpng_ptr\fP\fB, int \fIempty_plte_permitted\fP\fB);\fP - -\fI\fB - -\fBvoid png_process_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_size\fP\fB);\fP - -\fI\fB - -\fBvoid png_progressive_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIold_row\fP\fB, png_bytep \fInew_row\fP\fB);\fP - -\fI\fB - -\fBvoid png_read_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_infop \fIend_info_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_read_image (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fIimage\fP\fB);\fP - -\fI\fB - -\fBDEPRECATED: void png_read_init (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBDEPRECATED: void png_read_init_2 (png_structpp \fP\fIptr_ptr\fP\fB, png_const_charp \fP\fIuser_png_ver\fP\fB, png_size_t \fP\fIpng_struct_size\fP\fB, png_size_t \fIpng_info_size\fP\fB);\fP - -\fI\fB - -\fBvoid png_read_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_read_png (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fItransforms\fP\fB, png_voidp \fIparams\fP\fB);\fP - -\fI\fB - -\fBvoid png_read_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fIdisplay_row\fP\fB);\fP - -\fI\fB - -\fBvoid png_read_rows (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fP\fIrow\fP\fB, png_bytepp \fP\fIdisplay_row\fP\fB, png_uint_32 \fInum_rows\fP\fB);\fP - -\fI\fB - -\fBvoid png_read_update_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fB#if \fI!defined(PNG_1_0_X) - -\fBpng_save_int_32 (png_bytep \fP\fIbuf\fP\fB, png_int_32 \fIi\fP\fB);\fP - -\fI\fB - -\fBvoid png_save_uint_16 (png_bytep \fP\fIbuf\fP\fB, unsigned int \fIi\fP\fB);\fP - -\fI\fB - -\fBvoid png_save_uint_32 (png_bytep \fP\fIbuf\fP\fB, png_uint_32 \fIi\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_add_alpha (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int \fIflags\fP\fB);\fP - -\fI\fB#endif - -\fI\fB - -\fBvoid png_set_background (png_structp \fP\fIpng_ptr\fP\fB, png_color_16p \fP\fIbackground_color\fP\fB, int \fP\fIbackground_gamma_code\fP\fB, int \fP\fIneed_expand\fP\fB, double \fIbackground_gamma\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_bgr (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_16p \fIbackground\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_compression_level (png_structp \fP\fIpng_ptr\fP\fB, int \fIlevel\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_compression_mem_level (png_structp \fP\fIpng_ptr\fP\fB, int \fImem_level\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_compression_method (png_structp \fP\fIpng_ptr\fP\fB, int \fImethod\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_compression_strategy (png_structp \fP\fIpng_ptr\fP\fB, int \fIstrategy\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_compression_window_bits (png_structp \fP\fIpng_ptr\fP\fB, int \fIwindow_bits\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_crc_action (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcrit_action\fP\fB, int \fIancil_action\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_dither (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fP\fInum_palette\fP\fB, int \fP\fImaximum_colors\fP\fB, png_uint_16p \fP\fIhistogram\fP\fB, int \fIfull_dither\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_error_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarning_fn\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_expand (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_expand_gray_1_2_4_to_8(png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_filler (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int \fIflags\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_filter (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fImethod\fP\fB, int \fIfilters\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_filter_heuristics (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIheuristic_method\fP\fB, int \fP\fInum_weights\fP\fB, png_doublep \fP\fIfilter_weights\fP\fB, png_doublep \fIfilter_costs\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_flush (png_structp \fP\fIpng_ptr\fP\fB, int \fInrows\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_gamma (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIscreen_gamma\fP\fB, double \fIdefault_file_gamma\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIfile_gamma\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_gray_1_2_4_to_8(png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_gray_to_rgb (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_16p \fIhist\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, png_uint_32 \fIproflen\fP\fB);\fP - -\fI\fB - -\fBint png_set_interlace_handling (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_invalid (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fImask\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_invert_alpha (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_invert_mono (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIinterlace_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fIfilter_type\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_keep_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIkeep\fP\fB, png_bytep \fP\fIchunk_list\fP\fB, int \fInum_chunks\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_mem_fn(png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIoffset_x\fP\fB, png_uint_32 \fP\fIoffset_y\fP\fB, int \fIunit_type\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_packing (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_packswap (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_palette_to_rgb(png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIres_x\fP\fB, png_uint_32 \fP\fIres_y\fP\fB, int \fIunit_type\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_progressive_read_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIprogressive_ptr\fP\fB, png_progressive_info_ptr \fP\fIinfo_fn\fP\fB, png_progressive_row_ptr \fP\fIrow_fn\fP\fB, png_progressive_end_ptr \fIend_fn\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_read_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIio_ptr\fP\fB, png_rw_ptr \fIread_data_fn\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_read_status_fn (png_structp \fP\fIpng_ptr\fP\fB, png_read_status_ptr \fIread_row_fn\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_read_user_transform_fn (png_structp \fP\fIpng_ptr\fP\fB, png_user_transform_ptr \fIread_user_transform_fn\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_rgb_to_gray (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIerror_action\fP\fB, double \fP\fIred\fP\fB, double \fIgreen\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_rgb_to_gray_fixed (png_structp \fP\fIpng_ptr\fP\fB, int error_action png_fixed_point \fP\fIred\fP\fB, png_fixed_point \fIgreen\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_rows (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytepp \fIrow_pointers\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_8p \fIsig_bit\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_shift (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fItrue_bits\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_sig_bytes (png_structp \fP\fIpng_ptr\fP\fB, int \fInum_bytes\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_spalette_p \fP\fIsplt_ptr\fP\fB, int \fInum_spalettes\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fIintent\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_sRGB_gAMA_and_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fIintent\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_strip_16 (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_strip_alpha (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_swap (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_swap_alpha (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_text (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fP\fInum_trans\fP\fB, png_color_16p \fItrans_values\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_tRNS_to_alpha(png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBpng_uint_32 png_set_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_unknown_chunkp \fP\fIunknowns\fP\fB, int \fP\fInum\fP\fB, int \fIlocation\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_unknown_chunk_location(png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fIchunk\fP\fB, int \fIlocation\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_read_user_chunk_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIuser_chunk_ptr\fP\fB, png_user_chunk_ptr \fIread_user_chunk_fn\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_user_limits (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIuser_width_max\fP\fB, png_uint_32 \fIuser_height_max\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_user_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIuser_transform_ptr\fP\fB, int \fP\fIuser_transform_depth\fP\fB, int \fIuser_transform_channels\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_write_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIio_ptr\fP\fB, png_rw_ptr \fP\fIwrite_data_fn\fP\fB, png_flush_ptr \fIoutput_flush_fn\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_write_status_fn (png_structp \fP\fIpng_ptr\fP\fB, png_write_status_ptr \fIwrite_row_fn\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_write_user_transform_fn (png_structp \fP\fIpng_ptr\fP\fB, png_user_transform_ptr \fIwrite_user_transform_fn\fP\fB);\fP - -\fI\fB - -\fBvoid png_set_compression_buffer_size(png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP - -\fI\fB - -\fBint png_sig_cmp (png_bytep \fP\fIsig\fP\fB, png_size_t \fP\fIstart\fP\fB, png_size_t \fInum_to_check\fP\fB);\fP - -\fI\fB - -\fBvoid png_start_read_image (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_warning (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fImessage\fP\fB);\fP - -\fI\fB - -\fBvoid png_write_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIchunk_name\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP - -\fI\fB - -\fBvoid png_write_chunk_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP - -\fI\fB - -\fBvoid png_write_chunk_end (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_write_chunk_start (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIchunk_name\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fBvoid png_write_destroy (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_write_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_write_flush (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_write_image (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fIimage\fP\fB);\fP - -\fI\fB - -\fBDEPRECATED: void png_write_init (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fBDEPRECATED: void png_write_init_2 (png_structpp \fP\fIptr_ptr\fP\fB, png_const_charp \fP\fIuser_png_ver\fP\fB, png_size_t \fP\fIpng_struct_size\fP\fB, png_size_t \fIpng_info_size\fP\fB);\fP - -\fI\fB - -\fBvoid png_write_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_write_info_before_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fBvoid png_write_png (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fItransforms\fP\fB, png_voidp \fIparams\fP\fB);\fP - -\fI\fB - -\fBvoid png_write_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP - -\fI\fB - -\fBvoid png_write_rows (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fP\fIrow\fP\fB, png_uint_32 \fInum_rows\fP\fB);\fP - -\fI\fB - -\fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP - -\fI\fB - -\fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP - -\fI\fB - -.SH DESCRIPTION -The -.I libpng -library supports encoding, decoding, and various manipulations of -the Portable Network Graphics (PNG) format image files. It uses the -.IR zlib(3) -compression library. -Following is a copy of the libpng.txt file that accompanies libpng. -.SH LIBPNG.TXT -libpng.txt - A description on how to use and modify libpng - - libpng version 1.2.34 - December 18, 2008 - Updated and distributed by Glenn Randers-Pehrson - - Copyright (c) 1998-2008 Glenn Randers-Pehrson - For conditions of distribution and use, see copyright - notice in png.h. - - Based on: - - libpng versions 0.97, January 1998, through 1.2.34 - December 18, 2008 - Updated and distributed by Glenn Randers-Pehrson - Copyright (c) 1998-2008 Glenn Randers-Pehrson - - libpng 1.0 beta 6 version 0.96 May 28, 1997 - Updated and distributed by Andreas Dilger - Copyright (c) 1996, 1997 Andreas Dilger - - libpng 1.0 beta 2 - version 0.88 January 26, 1996 - For conditions of distribution and use, see copyright - notice in png.h. Copyright (c) 1995, 1996 Guy Eric - Schalnat, Group 42, Inc. - - Updated/rewritten per request in the libpng FAQ - Copyright (c) 1995, 1996 Frank J. T. Wojcik - December 18, 1995 & January 20, 1996 - -.SH I. Introduction - -This file describes how to use and modify the PNG reference library -(known as libpng) for your own use. There are five sections to this -file: introduction, structures, reading, writing, and modification and -configuration notes for various special platforms. In addition to this -file, example.c is a good starting point for using the library, as -it is heavily commented and should include everything most people -will need. We assume that libpng is already installed; see the -INSTALL file for instructions on how to install libpng. - -For examples of libpng usage, see the files "example.c", "pngtest.c", -and the files in the "contrib" directory, all of which are included in the -libpng distribution. - -Libpng was written as a companion to the PNG specification, as a way -of reducing the amount of time and effort it takes to support the PNG -file format in application programs. - -The PNG specification (second edition), November 2003, is available as -a W3C Recommendation and as an ISO Standard (ISO/IEC 15948:2003 (E)) at -. It is technically equivalent -to the PNG specification (second edition) but has some additional material. - -The PNG-1.0 specification is available -as RFC 2083 and as a -W3C Recommendation . - -Some additional chunks are described in the special-purpose public chunks -documents at . - -Other information -about PNG, and the latest version of libpng, can be found at the PNG home -page, . - -Most users will not have to modify the library significantly; advanced -users may want to modify it more. All attempts were made to make it as -complete as possible, while keeping the code easy to understand. -Currently, this library only supports C. Support for other languages -is being considered. - -Libpng has been designed to handle multiple sessions at one time, -to be easily modifiable, to be portable to the vast majority of -machines (ANSI, K&R, 16-, 32-, and 64-bit) available, and to be easy -to use. The ultimate goal of libpng is to promote the acceptance of -the PNG file format in whatever way possible. While there is still -work to be done (see the TODO file), libpng should cover the -majority of the needs of its users. - -Libpng uses zlib for its compression and decompression of PNG files. -Further information about zlib, and the latest version of zlib, can -be found at the zlib home page, . -The zlib compression utility is a general purpose utility that is -useful for more than PNG files, and can be used without libpng. -See the documentation delivered with zlib for more details. -You can usually find the source files for the zlib utility wherever you -find the libpng source files. - -Libpng is thread safe, provided the threads are using different -instances of the structures. Each thread should have its own -png_struct and png_info instances, and thus its own image. -Libpng does not protect itself against two threads using the -same instance of a structure. - -.SH II. Structures - -There are two main structures that are important to libpng, png_struct -and png_info. The first, png_struct, is an internal structure that -will not, for the most part, be used by a user except as the first -variable passed to every libpng function call. - -The png_info structure is designed to provide information about the -PNG file. At one time, the fields of png_info were intended to be -directly accessible to the user. However, this tended to cause problems -with applications using dynamically loaded libraries, and as a result -a set of interface functions for png_info (the png_get_*() and png_set_*() -functions) was developed. The fields of png_info are still available for -older applications, but it is suggested that applications use the new -interfaces if at all possible. - -Applications that do make direct access to the members of png_struct (except -for png_ptr->jmpbuf) must be recompiled whenever the library is updated, -and applications that make direct access to the members of png_info must -be recompiled if they were compiled or loaded with libpng version 1.0.6, -in which the members were in a different order. In version 1.0.7, the -members of the png_info structure reverted to the old order, as they were -in versions 0.97c through 1.0.5. Starting with version 2.0.0, both -structures are going to be hidden, and the contents of the structures will -only be accessible through the png_get/png_set functions. - -The png.h header file is an invaluable reference for programming with libpng. -And while I'm on the topic, make sure you include the libpng header file: - -#include - -.SH III. Reading - -We'll now walk you through the possible functions to call when reading -in a PNG file sequentially, briefly explaining the syntax and purpose -of each one. See example.c and png.h for more detail. While -progressive reading is covered in the next section, you will still -need some of the functions discussed in this section to read a PNG -file. - -.SS Setup - -You will want to do the I/O initialization(*) before you get into libpng, -so if it doesn't work, you don't have much to undo. Of course, you -will also want to insure that you are, in fact, dealing with a PNG -file. Libpng provides a simple check to see if a file is a PNG file. -To use it, pass in the first 1 to 8 bytes of the file to the function -png_sig_cmp(), and it will return 0 if the bytes match the corresponding -bytes of the PNG signature, or nonzero otherwise. Of course, the more bytes -you pass in, the greater the accuracy of the prediction. - -If you are intending to keep the file pointer open for use in libpng, -you must ensure you don't read more than 8 bytes from the beginning -of the file, and you also have to make a call to png_set_sig_bytes_read() -with the number of bytes you read from the beginning. Libpng will -then only check the bytes (if any) that your program didn't read. - -(*): If you are not using the standard I/O functions, you will need -to replace them with custom functions. See the discussion under -Customizing libpng. - - - FILE *fp = fopen(file_name, "rb"); - if (!fp) - { - return (ERROR); - } - fread(header, 1, number, fp); - is_png = !png_sig_cmp(header, 0, number); - if (!is_png) - { - return (NOT_PNG); - } - - -Next, png_struct and png_info need to be allocated and initialized. In -order to ensure that the size of these structures is correct even with a -dynamically linked libpng, there are functions to initialize and -allocate the structures. We also pass the library version, optional -pointers to error handling functions, and a pointer to a data struct for -use by the error functions, if necessary (the pointer and functions can -be NULL if the default error handlers are to be used). See the section -on Changes to Libpng below regarding the old initialization functions. -The structure allocation functions quietly return NULL if they fail to -create the structure, so your application should check for that. - - png_structp png_ptr = png_create_read_struct - (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr, - user_error_fn, user_warning_fn); - if (!png_ptr) - return (ERROR); - - png_infop info_ptr = png_create_info_struct(png_ptr); - if (!info_ptr) - { - png_destroy_read_struct(&png_ptr, - (png_infopp)NULL, (png_infopp)NULL); - return (ERROR); - } - - png_infop end_info = png_create_info_struct(png_ptr); - if (!end_info) - { - png_destroy_read_struct(&png_ptr, &info_ptr, - (png_infopp)NULL); - return (ERROR); - } - -If you want to use your own memory allocation routines, -define PNG_USER_MEM_SUPPORTED and use -png_create_read_struct_2() instead of png_create_read_struct(): - - png_structp png_ptr = png_create_read_struct_2 - (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr, - user_error_fn, user_warning_fn, (png_voidp) - user_mem_ptr, user_malloc_fn, user_free_fn); - -The error handling routines passed to png_create_read_struct() -and the memory alloc/free routines passed to png_create_struct_2() -are only necessary if you are not using the libpng supplied error -handling and memory alloc/free functions. - -When libpng encounters an error, it expects to longjmp back -to your routine. Therefore, you will need to call setjmp and pass -your png_jmpbuf(png_ptr). If you read the file from different -routines, you will need to update the jmpbuf field every time you enter -a new routine that will call a png_*() function. - -See your documentation of setjmp/longjmp for your compiler for more -information on setjmp/longjmp. See the discussion on libpng error -handling in the Customizing Libpng section below for more information -on the libpng error handling. If an error occurs, and libpng longjmp's -back to your setjmp, you will want to call png_destroy_read_struct() to -free any memory. - - if (setjmp(png_jmpbuf(png_ptr))) - { - png_destroy_read_struct(&png_ptr, &info_ptr, - &end_info); - fclose(fp); - return (ERROR); - } - -If you would rather avoid the complexity of setjmp/longjmp issues, -you can compile libpng with PNG_SETJMP_NOT_SUPPORTED, in which case -errors will result in a call to PNG_ABORT() which defaults to abort(). - -Now you need to set up the input code. The default for libpng is to -use the C function fread(). If you use this, you will need to pass a -valid FILE * in the function png_init_io(). Be sure that the file is -opened in binary mode. If you wish to handle reading data in another -way, you need not call the png_init_io() function, but you must then -implement the libpng I/O methods discussed in the Customizing Libpng -section below. - - png_init_io(png_ptr, fp); - -If you had previously opened the file and read any of the signature from -the beginning in order to see if this was a PNG file, you need to let -libpng know that there are some bytes missing from the start of the file. - - png_set_sig_bytes(png_ptr, number); - -.SS Setting up callback code - -You can set up a callback function to handle any unknown chunks in the -input stream. You must supply the function - - read_chunk_callback(png_ptr ptr, - png_unknown_chunkp chunk); - { - /* The unknown chunk structure contains your - chunk data, along with similar data for any other - unknown chunks: */ - - png_byte name[5]; - png_byte *data; - png_size_t size; - - /* Note that libpng has already taken care of - the CRC handling */ - - /* put your code here. Search for your chunk in the - unknown chunk structure, process it, and return one - of the following: */ - - return (-n); /* chunk had an error */ - return (0); /* did not recognize */ - return (n); /* success */ - } - -(You can give your function another name that you like instead of -"read_chunk_callback") - -To inform libpng about your function, use - - png_set_read_user_chunk_fn(png_ptr, user_chunk_ptr, - read_chunk_callback); - -This names not only the callback function, but also a user pointer that -you can retrieve with - - png_get_user_chunk_ptr(png_ptr); - -If you call the png_set_read_user_chunk_fn() function, then all unknown -chunks will be saved when read, in case your callback function will need -one or more of them. This behavior can be changed with the -png_set_keep_unknown_chunks() function, described below. - -At this point, you can set up a callback function that will be -called after each row has been read, which you can use to control -a progress meter or the like. It's demonstrated in pngtest.c. -You must supply a function - - void read_row_callback(png_ptr ptr, png_uint_32 row, - int pass); - { - /* put your code here */ - } - -(You can give it another name that you like instead of "read_row_callback") - -To inform libpng about your function, use - - png_set_read_status_fn(png_ptr, read_row_callback); - -.SS Width and height limits - -The PNG specification allows the width and height of an image to be as -large as 2^31-1 (0x7fffffff), or about 2.147 billion rows and columns. -Since very few applications really need to process such large images, -we have imposed an arbitrary 1-million limit on rows and columns. -Larger images will be rejected immediately with a png_error() call. If -you wish to override this limit, you can use - - png_set_user_limits(png_ptr, width_max, height_max); - -to set your own limits, or use width_max = height_max = 0x7fffffffL -to allow all valid dimensions (libpng may reject some very large images -anyway because of potential buffer overflow conditions). - -You should put this statement after you create the PNG structure and -before calling png_read_info(), png_read_png(), or png_process_data(). -If you need to retrieve the limits that are being applied, use - - width_max = png_get_user_width_max(png_ptr); - height_max = png_get_user_height_max(png_ptr); - -.SS Unknown-chunk handling - -Now you get to set the way the library processes unknown chunks in the -input PNG stream. Both known and unknown chunks will be read. Normal -behavior is that known chunks will be parsed into information in -various info_ptr members while unknown chunks will be discarded. This -behavior can be wasteful if your application will never use some known -chunk types. To change this, you can call: - - png_set_keep_unknown_chunks(png_ptr, keep, - chunk_list, num_chunks); - keep - 0: default unknown chunk handling - 1: ignore; do not keep - 2: keep only if safe-to-copy - 3: keep even if unsafe-to-copy - You can use these definitions: - PNG_HANDLE_CHUNK_AS_DEFAULT 0 - PNG_HANDLE_CHUNK_NEVER 1 - PNG_HANDLE_CHUNK_IF_SAFE 2 - PNG_HANDLE_CHUNK_ALWAYS 3 - chunk_list - list of chunks affected (a byte string, - five bytes per chunk, NULL or '\0' if - num_chunks is 0) - num_chunks - number of chunks affected; if 0, all - unknown chunks are affected. If nonzero, - only the chunks in the list are affected - -Unknown chunks declared in this way will be saved as raw data onto a -list of png_unknown_chunk structures. If a chunk that is normally -known to libpng is named in the list, it will be handled as unknown, -according to the "keep" directive. If a chunk is named in successive -instances of png_set_keep_unknown_chunks(), the final instance will -take precedence. The IHDR and IEND chunks should not be named in -chunk_list; if they are, libpng will process them normally anyway. - -Here is an example of the usage of png_set_keep_unknown_chunks(), -where the private "vpAg" chunk will later be processed by a user chunk -callback function: - - png_byte vpAg[5]={118, 112, 65, 103, (png_byte) '\0'}; - - #if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) - png_byte unused_chunks[]= - { - 104, 73, 83, 84, (png_byte) '\0', /* hIST */ - 105, 84, 88, 116, (png_byte) '\0', /* iTXt */ - 112, 67, 65, 76, (png_byte) '\0', /* pCAL */ - 115, 67, 65, 76, (png_byte) '\0', /* sCAL */ - 115, 80, 76, 84, (png_byte) '\0', /* sPLT */ - 116, 73, 77, 69, (png_byte) '\0', /* tIME */ - }; - #endif - - ... - - #if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) - /* ignore all unknown chunks: */ - png_set_keep_unknown_chunks(read_ptr, 1, NULL, 0); - /* except for vpAg: */ - png_set_keep_unknown_chunks(read_ptr, 2, vpAg, 1); - /* also ignore unused known chunks: */ - png_set_keep_unknown_chunks(read_ptr, 1, unused_chunks, - (int)sizeof(unused_chunks)/5); - #endif - - -.SS The high-level read interface - -At this point there are two ways to proceed; through the high-level -read interface, or through a sequence of low-level read operations. -You can use the high-level interface if (a) you are willing to read -the entire image into memory, and (b) the input transformations -you want to do are limited to the following set: - - PNG_TRANSFORM_IDENTITY No transformation - PNG_TRANSFORM_STRIP_16 Strip 16-bit samples to - 8 bits - PNG_TRANSFORM_STRIP_ALPHA Discard the alpha channel - PNG_TRANSFORM_PACKING Expand 1, 2 and 4-bit - samples to bytes - PNG_TRANSFORM_PACKSWAP Change order of packed - pixels to LSB first - PNG_TRANSFORM_EXPAND Perform set_expand() - PNG_TRANSFORM_INVERT_MONO Invert monochrome images - PNG_TRANSFORM_SHIFT Normalize pixels to the - sBIT depth - PNG_TRANSFORM_BGR Flip RGB to BGR, RGBA - to BGRA - PNG_TRANSFORM_SWAP_ALPHA Flip RGBA to ARGB or GA - to AG - PNG_TRANSFORM_INVERT_ALPHA Change alpha from opacity - to transparency - PNG_TRANSFORM_SWAP_ENDIAN Byte-swap 16-bit samples - -(This excludes setting a background color, doing gamma transformation, -dithering, and setting filler.) If this is the case, simply do this: - - png_read_png(png_ptr, info_ptr, png_transforms, NULL) - -where png_transforms is an integer containing the bitwise OR of -some set of transformation flags. This call is equivalent to png_read_info(), -followed the set of transformations indicated by the transform mask, -then png_read_image(), and finally png_read_end(). - -(The final parameter of this call is not yet used. Someday it might point -to transformation parameters required by some future input transform.) - -You must use png_transforms and not call any png_set_transform() functions -when you use png_read_png(). - -After you have called png_read_png(), you can retrieve the image data -with - - row_pointers = png_get_rows(png_ptr, info_ptr); - -where row_pointers is an array of pointers to the pixel data for each row: - - png_bytep row_pointers[height]; - -If you know your image size and pixel size ahead of time, you can allocate -row_pointers prior to calling png_read_png() with - - if (height > PNG_UINT_32_MAX/png_sizeof(png_byte)) - png_error (png_ptr, - "Image is too tall to process in memory"); - if (width > PNG_UINT_32_MAX/pixel_size) - png_error (png_ptr, - "Image is too wide to process in memory"); - row_pointers = png_malloc(png_ptr, - height*png_sizeof(png_bytep)); - for (int i=0; i) and -png_get_(png_ptr, info_ptr, ...) functions return non-zero if the -data has been read, or zero if it is missing. The parameters to the -png_get_ are set directly if they are simple data types, or a pointer -into the info_ptr is returned for any complex types. - - png_get_PLTE(png_ptr, info_ptr, &palette, - &num_palette); - palette - the palette for the file - (array of png_color) - num_palette - number of entries in the palette - - png_get_gAMA(png_ptr, info_ptr, &gamma); - gamma - the gamma the file is written - at (PNG_INFO_gAMA) - - png_get_sRGB(png_ptr, info_ptr, &srgb_intent); - srgb_intent - the rendering intent (PNG_INFO_sRGB) - The presence of the sRGB chunk - means that the pixel data is in the - sRGB color space. This chunk also - implies specific values of gAMA and - cHRM. - - png_get_iCCP(png_ptr, info_ptr, &name, - &compression_type, &profile, &proflen); - name - The profile name. - compression - The compression type; always - PNG_COMPRESSION_TYPE_BASE for PNG 1.0. - You may give NULL to this argument to - ignore it. - profile - International Color Consortium color - profile data. May contain NULs. - proflen - length of profile data in bytes. - - png_get_sBIT(png_ptr, info_ptr, &sig_bit); - sig_bit - the number of significant bits for - (PNG_INFO_sBIT) each of the gray, - red, green, and blue channels, - whichever are appropriate for the - given color type (png_color_16) - - png_get_tRNS(png_ptr, info_ptr, &trans, &num_trans, - &trans_values); - trans - array of transparent entries for - palette (PNG_INFO_tRNS) - trans_values - graylevel or color sample values of - the single transparent color for - non-paletted images (PNG_INFO_tRNS) - num_trans - number of transparent entries - (PNG_INFO_tRNS) - - png_get_hIST(png_ptr, info_ptr, &hist); - (PNG_INFO_hIST) - hist - histogram of palette (array of - png_uint_16) - - png_get_tIME(png_ptr, info_ptr, &mod_time); - mod_time - time image was last modified - (PNG_VALID_tIME) - - png_get_bKGD(png_ptr, info_ptr, &background); - background - background color (PNG_VALID_bKGD) - valid 16-bit red, green and blue - values, regardless of color_type - - num_comments = png_get_text(png_ptr, info_ptr, - &text_ptr, &num_text); - num_comments - number of comments - text_ptr - array of png_text holding image - comments - text_ptr[i].compression - type of compression used - on "text" PNG_TEXT_COMPRESSION_NONE - PNG_TEXT_COMPRESSION_zTXt - PNG_ITXT_COMPRESSION_NONE - PNG_ITXT_COMPRESSION_zTXt - text_ptr[i].key - keyword for comment. Must contain - 1-79 characters. - text_ptr[i].text - text comments for current - keyword. Can be empty. - text_ptr[i].text_length - length of text string, - after decompression, 0 for iTXt - text_ptr[i].itxt_length - length of itxt string, - after decompression, 0 for tEXt/zTXt - text_ptr[i].lang - language of comment (empty - string for unknown). - text_ptr[i].lang_key - keyword in UTF-8 - (empty string for unknown). - num_text - number of comments (same as - num_comments; you can put NULL here - to avoid the duplication) - Note while png_set_text() will accept text, language, - and translated keywords that can be NULL pointers, the - structure returned by png_get_text will always contain - regular zero-terminated C strings. They might be - empty strings but they will never be NULL pointers. - - num_spalettes = png_get_sPLT(png_ptr, info_ptr, - &palette_ptr); - palette_ptr - array of palette structures holding - contents of one or more sPLT chunks - read. - num_spalettes - number of sPLT chunks read. - - png_get_oFFs(png_ptr, info_ptr, &offset_x, &offset_y, - &unit_type); - offset_x - positive offset from the left edge - of the screen - offset_y - positive offset from the top edge - of the screen - unit_type - PNG_OFFSET_PIXEL, PNG_OFFSET_MICROMETER - - png_get_pHYs(png_ptr, info_ptr, &res_x, &res_y, - &unit_type); - res_x - pixels/unit physical resolution in - x direction - res_y - pixels/unit physical resolution in - x direction - unit_type - PNG_RESOLUTION_UNKNOWN, - PNG_RESOLUTION_METER - - png_get_sCAL(png_ptr, info_ptr, &unit, &width, - &height) - unit - physical scale units (an integer) - width - width of a pixel in physical scale units - height - height of a pixel in physical scale units - (width and height are doubles) - - png_get_sCAL_s(png_ptr, info_ptr, &unit, &width, - &height) - unit - physical scale units (an integer) - width - width of a pixel in physical scale units - height - height of a pixel in physical scale units - (width and height are strings like "2.54") - - num_unknown_chunks = png_get_unknown_chunks(png_ptr, - info_ptr, &unknowns) - unknowns - array of png_unknown_chunk - structures holding unknown chunks - unknowns[i].name - name of unknown chunk - unknowns[i].data - data of unknown chunk - unknowns[i].size - size of unknown chunk's data - unknowns[i].location - position of chunk in file - - The value of "i" corresponds to the order in which the - chunks were read from the PNG file or inserted with the - png_set_unknown_chunks() function. - -The data from the pHYs chunk can be retrieved in several convenient -forms: - - res_x = png_get_x_pixels_per_meter(png_ptr, - info_ptr) - res_y = png_get_y_pixels_per_meter(png_ptr, - info_ptr) - res_x_and_y = png_get_pixels_per_meter(png_ptr, - info_ptr) - res_x = png_get_x_pixels_per_inch(png_ptr, - info_ptr) - res_y = png_get_y_pixels_per_inch(png_ptr, - info_ptr) - res_x_and_y = png_get_pixels_per_inch(png_ptr, - info_ptr) - aspect_ratio = png_get_pixel_aspect_ratio(png_ptr, - info_ptr) - - (Each of these returns 0 [signifying "unknown"] if - the data is not present or if res_x is 0; - res_x_and_y is 0 if res_x != res_y) - -The data from the oFFs chunk can be retrieved in several convenient -forms: - - x_offset = png_get_x_offset_microns(png_ptr, info_ptr); - y_offset = png_get_y_offset_microns(png_ptr, info_ptr); - x_offset = png_get_x_offset_inches(png_ptr, info_ptr); - y_offset = png_get_y_offset_inches(png_ptr, info_ptr); - - (Each of these returns 0 [signifying "unknown" if both - x and y are 0] if the data is not present or if the - chunk is present but the unit is the pixel) - -For more information, see the png_info definition in png.h and the -PNG specification for chunk contents. Be careful with trusting -rowbytes, as some of the transformations could increase the space -needed to hold a row (expand, filler, gray_to_rgb, etc.). -See png_read_update_info(), below. - -A quick word about text_ptr and num_text. PNG stores comments in -keyword/text pairs, one pair per chunk, with no limit on the number -of text chunks, and a 2^31 byte limit on their size. While there are -suggested keywords, there is no requirement to restrict the use to these -strings. It is strongly suggested that keywords and text be sensible -to humans (that's the point), so don't use abbreviations. Non-printing -symbols are not allowed. See the PNG specification for more details. -There is also no requirement to have text after the keyword. - -Keywords should be limited to 79 Latin-1 characters without leading or -trailing spaces, but non-consecutive spaces are allowed within the -keyword. It is possible to have the same keyword any number of times. -The text_ptr is an array of png_text structures, each holding a -pointer to a language string, a pointer to a keyword and a pointer to -a text string. The text string, language code, and translated -keyword may be empty or NULL pointers. The keyword/text -pairs are put into the array in the order that they are received. -However, some or all of the text chunks may be after the image, so, to -make sure you have read all the text chunks, don't mess with these -until after you read the stuff after the image. This will be -mentioned again below in the discussion that goes with png_read_end(). - -.SS Input transformations - -After you've read the header information, you can set up the library -to handle any special transformations of the image data. The various -ways to transform the data will be described in the order that they -should occur. This is important, as some of these change the color -type and/or bit depth of the data, and some others only work on -certain color types and bit depths. Even though each transformation -checks to see if it has data that it can do something with, you should -make sure to only enable a transformation if it will be valid for the -data. For example, don't swap red and blue on grayscale data. - -The colors used for the background and transparency values should be -supplied in the same format/depth as the current image data. They -are stored in the same format/depth as the image data in a bKGD or tRNS -chunk, so this is what libpng expects for this data. The colors are -transformed to keep in sync with the image data when an application -calls the png_read_update_info() routine (see below). - -Data will be decoded into the supplied row buffers packed into bytes -unless the library has been told to transform it into another format. -For example, 4 bit/pixel paletted or grayscale data will be returned -2 pixels/byte with the leftmost pixel in the high-order bits of the -byte, unless png_set_packing() is called. 8-bit RGB data will be stored -in RGB RGB RGB format unless png_set_filler() or png_set_add_alpha() -is called to insert filler bytes, either before or after each RGB triplet. -16-bit RGB data will be returned RRGGBB RRGGBB, with the most significant -byte of the color value first, unless png_set_strip_16() is called to -transform it to regular RGB RGB triplets, or png_set_filler() or -png_set_add alpha() is called to insert filler bytes, either before or -after each RRGGBB triplet. Similarly, 8-bit or 16-bit grayscale data can -be modified with -png_set_filler(), png_set_add_alpha(), or png_set_strip_16(). - -The following code transforms grayscale images of less than 8 to 8 bits, -changes paletted images to RGB, and adds a full alpha channel if there is -transparency information in a tRNS chunk. This is most useful on -grayscale images with bit depths of 2 or 4 or if there is a multiple-image -viewing application that wishes to treat all images in the same way. - - if (color_type == PNG_COLOR_TYPE_PALETTE) - png_set_palette_to_rgb(png_ptr); - - if (color_type == PNG_COLOR_TYPE_GRAY && - bit_depth < 8) png_set_expand_gray_1_2_4_to_8(png_ptr); - - if (png_get_valid(png_ptr, info_ptr, - PNG_INFO_tRNS)) png_set_tRNS_to_alpha(png_ptr); - -These three functions are actually aliases for png_set_expand(), added -in libpng version 1.0.4, with the function names expanded to improve code -readability. In some future version they may actually do different -things. - -As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was -added. It expands the sample depth without changing tRNS to alpha. -At the same time, png_set_gray_1_2_4_to_8() was deprecated, and it -will be removed from a future version. - - -PNG can have files with 16 bits per channel. If you only can handle -8 bits per channel, this will strip the pixels down to 8 bit. - - if (bit_depth == 16) - png_set_strip_16(png_ptr); - -If, for some reason, you don't need the alpha channel on an image, -and you want to remove it rather than combining it with the background -(but the image author certainly had in mind that you *would* combine -it with the background, so that's what you should probably do): - - if (color_type & PNG_COLOR_MASK_ALPHA) - png_set_strip_alpha(png_ptr); - -In PNG files, the alpha channel in an image -is the level of opacity. If you need the alpha channel in an image to -be the level of transparency instead of opacity, you can invert the -alpha channel (or the tRNS chunk data) after it's read, so that 0 is -fully opaque and 255 (in 8-bit or paletted images) or 65535 (in 16-bit -images) is fully transparent, with - - png_set_invert_alpha(png_ptr); - -PNG files pack pixels of bit depths 1, 2, and 4 into bytes as small as -they can, resulting in, for example, 8 pixels per byte for 1 bit -files. This code expands to 1 pixel per byte without changing the -values of the pixels: - - if (bit_depth < 8) - png_set_packing(png_ptr); - -PNG files have possible bit depths of 1, 2, 4, 8, and 16. All pixels -stored in a PNG image have been "scaled" or "shifted" up to the next -higher possible bit depth (e.g. from 5 bits/sample in the range [0,31] to -8 bits/sample in the range [0, 255]). However, it is also possible to -convert the PNG pixel data back to the original bit depth of the image. -This call reduces the pixels back down to the original bit depth: - - png_color_8p sig_bit; - - if (png_get_sBIT(png_ptr, info_ptr, &sig_bit)) - png_set_shift(png_ptr, sig_bit); - -PNG files store 3-color pixels in red, green, blue order. This code -changes the storage of the pixels to blue, green, red: - - if (color_type == PNG_COLOR_TYPE_RGB || - color_type == PNG_COLOR_TYPE_RGB_ALPHA) - png_set_bgr(png_ptr); - -PNG files store RGB pixels packed into 3 or 6 bytes. This code expands them -into 4 or 8 bytes for windowing systems that need them in this format: - - if (color_type == PNG_COLOR_TYPE_RGB) - png_set_filler(png_ptr, filler, PNG_FILLER_BEFORE); - -where "filler" is the 8 or 16-bit number to fill with, and the location is -either PNG_FILLER_BEFORE or PNG_FILLER_AFTER, depending upon whether -you want the filler before the RGB or after. This transformation -does not affect images that already have full alpha channels. To add an -opaque alpha channel, use filler=0xff or 0xffff and PNG_FILLER_AFTER which -will generate RGBA pixels. - -Note that png_set_filler() does not change the color type. If you want -to do that, you can add a true alpha channel with - - if (color_type == PNG_COLOR_TYPE_RGB || - color_type == PNG_COLOR_TYPE_GRAY) - png_set_add_alpha(png_ptr, filler, PNG_FILLER_AFTER); - -where "filler" contains the alpha value to assign to each pixel. -This function was added in libpng-1.2.7. - -If you are reading an image with an alpha channel, and you need the -data as ARGB instead of the normal PNG format RGBA: - - if (color_type == PNG_COLOR_TYPE_RGB_ALPHA) - png_set_swap_alpha(png_ptr); - -For some uses, you may want a grayscale image to be represented as -RGB. This code will do that conversion: - - if (color_type == PNG_COLOR_TYPE_GRAY || - color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - png_set_gray_to_rgb(png_ptr); - -Conversely, you can convert an RGB or RGBA image to grayscale or grayscale -with alpha. - - if (color_type == PNG_COLOR_TYPE_RGB || - color_type == PNG_COLOR_TYPE_RGB_ALPHA) - png_set_rgb_to_gray_fixed(png_ptr, error_action, - int red_weight, int green_weight); - - error_action = 1: silently do the conversion - error_action = 2: issue a warning if the original - image has any pixel where - red != green or red != blue - error_action = 3: issue an error and abort the - conversion if the original - image has any pixel where - red != green or red != blue - - red_weight: weight of red component times 100000 - green_weight: weight of green component times 100000 - If either weight is negative, default - weights (21268, 71514) are used. - -If you have set error_action = 1 or 2, you can -later check whether the image really was gray, after processing -the image rows, with the png_get_rgb_to_gray_status(png_ptr) function. -It will return a png_byte that is zero if the image was gray or -1 if there were any non-gray pixels. bKGD and sBIT data -will be silently converted to grayscale, using the green channel -data, regardless of the error_action setting. - -With red_weight+green_weight<=100000, -the normalized graylevel is computed: - - int rw = red_weight * 65536; - int gw = green_weight * 65536; - int bw = 65536 - (rw + gw); - gray = (rw*red + gw*green + bw*blue)/65536; - -The default values approximate those recommended in the Charles -Poynton's Color FAQ, -Copyright (c) 1998-01-04 Charles Poynton - - Y = 0.212671 * R + 0.715160 * G + 0.072169 * B - -Libpng approximates this with - - Y = 0.21268 * R + 0.7151 * G + 0.07217 * B - -which can be expressed with integers as - - Y = (6969 * R + 23434 * G + 2365 * B)/32768 - -The calculation is done in a linear colorspace, if the image gamma -is known. - -If you have a grayscale and you are using png_set_expand_depth(), -png_set_expand(), or png_set_gray_to_rgb to change to truecolor or to -a higher bit-depth, you must either supply the background color as a gray -value at the original file bit-depth (need_expand = 1) or else supply the -background color as an RGB triplet at the final, expanded bit depth -(need_expand = 0). Similarly, if you are reading a paletted image, you -must either supply the background color as a palette index (need_expand = 1) -or as an RGB triplet that may or may not be in the palette (need_expand = 0). - - png_color_16 my_background; - png_color_16p image_background; - - if (png_get_bKGD(png_ptr, info_ptr, &image_background)) - png_set_background(png_ptr, image_background, - PNG_BACKGROUND_GAMMA_FILE, 1, 1.0); - else - png_set_background(png_ptr, &my_background, - PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); - -The png_set_background() function tells libpng to composite images -with alpha or simple transparency against the supplied background -color. If the PNG file contains a bKGD chunk (PNG_INFO_bKGD valid), -you may use this color, or supply another color more suitable for -the current display (e.g., the background color from a web page). You -need to tell libpng whether the color is in the gamma space of the -display (PNG_BACKGROUND_GAMMA_SCREEN for colors you supply), the file -(PNG_BACKGROUND_GAMMA_FILE for colors from the bKGD chunk), or one -that is neither of these gammas (PNG_BACKGROUND_GAMMA_UNIQUE - I don't -know why anyone would use this, but it's here). - -To properly display PNG images on any kind of system, the application needs -to know what the display gamma is. Ideally, the user will know this, and -the application will allow them to set it. One method of allowing the user -to set the display gamma separately for each system is to check for a -SCREEN_GAMMA or DISPLAY_GAMMA environment variable, which will hopefully be -correctly set. - -Note that display_gamma is the overall gamma correction required to produce -pleasing results, which depends on the lighting conditions in the surrounding -environment. In a dim or brightly lit room, no compensation other than -the physical gamma exponent of the monitor is needed, while in a dark room -a slightly smaller exponent is better. - - double gamma, screen_gamma; - - if (/* We have a user-defined screen - gamma value */) - { - screen_gamma = user_defined_screen_gamma; - } - /* One way that applications can share the same - screen gamma value */ - else if ((gamma_str = getenv("SCREEN_GAMMA")) - != NULL) - { - screen_gamma = (double)atof(gamma_str); - } - /* If we don't have another value */ - else - { - screen_gamma = 2.2; /* A good guess for a - PC monitor in a bright office or a dim room */ - screen_gamma = 2.0; /* A good guess for a - PC monitor in a dark room */ - screen_gamma = 1.7 or 1.0; /* A good - guess for Mac systems */ - } - -The png_set_gamma() function handles gamma transformations of the data. -Pass both the file gamma and the current screen_gamma. If the file does -not have a gamma value, you can pass one anyway if you have an idea what -it is (usually 0.45455 is a good guess for GIF images on PCs). Note -that file gammas are inverted from screen gammas. See the discussions -on gamma in the PNG specification for an excellent description of what -gamma is, and why all applications should support it. It is strongly -recommended that PNG viewers support gamma correction. - - if (png_get_gAMA(png_ptr, info_ptr, &gamma)) - png_set_gamma(png_ptr, screen_gamma, gamma); - else - png_set_gamma(png_ptr, screen_gamma, 0.45455); - -If you need to reduce an RGB file to a paletted file, or if a paletted -file has more entries then will fit on your screen, png_set_dither() -will do that. Note that this is a simple match dither that merely -finds the closest color available. This should work fairly well with -optimized palettes, and fairly badly with linear color cubes. If you -pass a palette that is larger then maximum_colors, the file will -reduce the number of colors in the palette so it will fit into -maximum_colors. If there is a histogram, it will use it to make -more intelligent choices when reducing the palette. If there is no -histogram, it may not do as good a job. - - if (color_type & PNG_COLOR_MASK_COLOR) - { - if (png_get_valid(png_ptr, info_ptr, - PNG_INFO_PLTE)) - { - png_uint_16p histogram = NULL; - - png_get_hIST(png_ptr, info_ptr, - &histogram); - png_set_dither(png_ptr, palette, num_palette, - max_screen_colors, histogram, 1); - } - else - { - png_color std_color_cube[MAX_SCREEN_COLORS] = - { ... colors ... }; - - png_set_dither(png_ptr, std_color_cube, - MAX_SCREEN_COLORS, MAX_SCREEN_COLORS, - NULL,0); - } - } - -PNG files describe monochrome as black being zero and white being one. -The following code will reverse this (make black be one and white be -zero): - - if (bit_depth == 1 && color_type == PNG_COLOR_TYPE_GRAY) - png_set_invert_mono(png_ptr); - -This function can also be used to invert grayscale and gray-alpha images: - - if (color_type == PNG_COLOR_TYPE_GRAY || - color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - png_set_invert_mono(png_ptr); - -PNG files store 16 bit pixels in network byte order (big-endian, -ie. most significant bits first). This code changes the storage to the -other way (little-endian, i.e. least significant bits first, the -way PCs store them): - - if (bit_depth == 16) - png_set_swap(png_ptr); - -If you are using packed-pixel images (1, 2, or 4 bits/pixel), and you -need to change the order the pixels are packed into bytes, you can use: - - if (bit_depth < 8) - png_set_packswap(png_ptr); - -Finally, you can write your own transformation function if none of -the existing ones meets your needs. This is done by setting a callback -with - - png_set_read_user_transform_fn(png_ptr, - read_transform_fn); - -You must supply the function - - void read_transform_fn(png_ptr ptr, row_info_ptr - row_info, png_bytep data) - -See pngtest.c for a working example. Your function will be called -after all of the other transformations have been processed. - -You can also set up a pointer to a user structure for use by your -callback function, and you can inform libpng that your transform -function will change the number of channels or bit depth with the -function - - png_set_user_transform_info(png_ptr, user_ptr, - user_depth, user_channels); - -The user's application, not libpng, is responsible for allocating and -freeing any memory required for the user structure. - -You can retrieve the pointer via the function -png_get_user_transform_ptr(). For example: - - voidp read_user_transform_ptr = - png_get_user_transform_ptr(png_ptr); - -The last thing to handle is interlacing; this is covered in detail below, -but you must call the function here if you want libpng to handle expansion -of the interlaced image. - - number_of_passes = png_set_interlace_handling(png_ptr); - -After setting the transformations, libpng can update your png_info -structure to reflect any transformations you've requested with this -call. This is most useful to update the info structure's rowbytes -field so you can use it to allocate your image memory. This function -will also update your palette with the correct screen_gamma and -background if these have been given with the calls above. - - png_read_update_info(png_ptr, info_ptr); - -After you call png_read_update_info(), you can allocate any -memory you need to hold the image. The row data is simply -raw byte data for all forms of images. As the actual allocation -varies among applications, no example will be given. If you -are allocating one large chunk, you will need to build an -array of pointers to each row, as it will be needed for some -of the functions below. - -.SS Reading image data - -After you've allocated memory, you can read the image data. -The simplest way to do this is in one function call. If you are -allocating enough memory to hold the whole image, you can just -call png_read_image() and libpng will read in all the image data -and put it in the memory area supplied. You will need to pass in -an array of pointers to each row. - -This function automatically handles interlacing, so you don't need -to call png_set_interlace_handling() or call this function multiple -times, or any of that other stuff necessary with png_read_rows(). - - png_read_image(png_ptr, row_pointers); - -where row_pointers is: - - png_bytep row_pointers[height]; - -You can point to void or char or whatever you use for pixels. - -If you don't want to read in the whole image at once, you can -use png_read_rows() instead. If there is no interlacing (check -interlace_type == PNG_INTERLACE_NONE), this is simple: - - png_read_rows(png_ptr, row_pointers, NULL, - number_of_rows); - -where row_pointers is the same as in the png_read_image() call. - -If you are doing this just one row at a time, you can do this with -a single row_pointer instead of an array of row_pointers: - - png_bytep row_pointer = row; - png_read_row(png_ptr, row_pointer, NULL); - -If the file is interlaced (interlace_type != 0 in the IHDR chunk), things -get somewhat harder. The only current (PNG Specification version 1.2) -interlacing type for PNG is (interlace_type == PNG_INTERLACE_ADAM7) -is a somewhat complicated 2D interlace scheme, known as Adam7, that -breaks down an image into seven smaller images of varying size, based -on an 8x8 grid. - -libpng can fill out those images or it can give them to you "as is". -If you want them filled out, there are two ways to do that. The one -mentioned in the PNG specification is to expand each pixel to cover -those pixels that have not been read yet (the "rectangle" method). -This results in a blocky image for the first pass, which gradually -smooths out as more pixels are read. The other method is the "sparkle" -method, where pixels are drawn only in their final locations, with the -rest of the image remaining whatever colors they were initialized to -before the start of the read. The first method usually looks better, -but tends to be slower, as there are more pixels to put in the rows. - -If you don't want libpng to handle the interlacing details, just call -png_read_rows() seven times to read in all seven images. Each of the -images is a valid image by itself, or they can all be combined on an -8x8 grid to form a single image (although if you intend to combine them -you would be far better off using the libpng interlace handling). - -The first pass will return an image 1/8 as wide as the entire image -(every 8th column starting in column 0) and 1/8 as high as the original -(every 8th row starting in row 0), the second will be 1/8 as wide -(starting in column 4) and 1/8 as high (also starting in row 0). The -third pass will be 1/4 as wide (every 4th pixel starting in column 0) and -1/8 as high (every 8th row starting in row 4), and the fourth pass will -be 1/4 as wide and 1/4 as high (every 4th column starting in column 2, -and every 4th row starting in row 0). The fifth pass will return an -image 1/2 as wide, and 1/4 as high (starting at column 0 and row 2), -while the sixth pass will be 1/2 as wide and 1/2 as high as the original -(starting in column 1 and row 0). The seventh and final pass will be as -wide as the original, and 1/2 as high, containing all of the odd -numbered scanlines. Phew! - -If you want libpng to expand the images, call this before calling -png_start_read_image() or png_read_update_info(): - - if (interlace_type == PNG_INTERLACE_ADAM7) - number_of_passes - = png_set_interlace_handling(png_ptr); - -This will return the number of passes needed. Currently, this -is seven, but may change if another interlace type is added. -This function can be called even if the file is not interlaced, -where it will return one pass. - -If you are not going to display the image after each pass, but are -going to wait until the entire image is read in, use the sparkle -effect. This effect is faster and the end result of either method -is exactly the same. If you are planning on displaying the image -after each pass, the "rectangle" effect is generally considered the -better looking one. - -If you only want the "sparkle" effect, just call png_read_rows() as -normal, with the third parameter NULL. Make sure you make pass over -the image number_of_passes times, and you don't change the data in the -rows between calls. You can change the locations of the data, just -not the data. Each pass only writes the pixels appropriate for that -pass, and assumes the data from previous passes is still valid. - - png_read_rows(png_ptr, row_pointers, NULL, - number_of_rows); - -If you only want the first effect (the rectangles), do the same as -before except pass the row buffer in the third parameter, and leave -the second parameter NULL. - - png_read_rows(png_ptr, NULL, row_pointers, - number_of_rows); - -.SS Finishing a sequential read - -After you are finished reading the image through the -low-level interface, you can finish reading the file. If you are -interested in comments or time, which may be stored either before or -after the image data, you should pass the separate png_info struct if -you want to keep the comments from before and after the image -separate. If you are not interested, you can pass NULL. - - png_read_end(png_ptr, end_info); - -When you are done, you can free all memory allocated by libpng like this: - - png_destroy_read_struct(&png_ptr, &info_ptr, - &end_info); - -It is also possible to individually free the info_ptr members that -point to libpng-allocated storage with the following function: - - png_free_data(png_ptr, info_ptr, mask, seq) - mask - identifies data to be freed, a mask - containing the bitwise OR of one or - more of - PNG_FREE_PLTE, PNG_FREE_TRNS, - PNG_FREE_HIST, PNG_FREE_ICCP, - PNG_FREE_PCAL, PNG_FREE_ROWS, - PNG_FREE_SCAL, PNG_FREE_SPLT, - PNG_FREE_TEXT, PNG_FREE_UNKN, - or simply PNG_FREE_ALL - seq - sequence number of item to be freed - (-1 for all items) - -This function may be safely called when the relevant storage has -already been freed, or has not yet been allocated, or was allocated -by the user and not by libpng, and will in those -cases do nothing. The "seq" parameter is ignored if only one item -of the selected data type, such as PLTE, is allowed. If "seq" is not --1, and multiple items are allowed for the data type identified in -the mask, such as text or sPLT, only the n'th item in the structure -is freed, where n is "seq". - -The default behavior is only to free data that was allocated internally -by libpng. This can be changed, so that libpng will not free the data, -or so that it will free data that was allocated by the user with png_malloc() -or png_zalloc() and passed in via a png_set_*() function, with - - png_data_freer(png_ptr, info_ptr, freer, mask) - mask - which data elements are affected - same choices as in png_free_data() - freer - one of - PNG_DESTROY_WILL_FREE_DATA - PNG_SET_WILL_FREE_DATA - PNG_USER_WILL_FREE_DATA - -This function only affects data that has already been allocated. -You can call this function after reading the PNG data but before calling -any png_set_*() functions, to control whether the user or the png_set_*() -function is responsible for freeing any existing data that might be present, -and again after the png_set_*() functions to control whether the user -or png_destroy_*() is supposed to free the data. When the user assumes -responsibility for libpng-allocated data, the application must use -png_free() to free it, and when the user transfers responsibility to libpng -for data that the user has allocated, the user must have used png_malloc() -or png_zalloc() to allocate it. - -If you allocated your row_pointers in a single block, as suggested above in -the description of the high level read interface, you must not transfer -responsibility for freeing it to the png_set_rows or png_read_destroy function, -because they would also try to free the individual row_pointers[i]. - -If you allocated text_ptr.text, text_ptr.lang, and text_ptr.translated_keyword -separately, do not transfer responsibility for freeing text_ptr to libpng, -because when libpng fills a png_text structure it combines these members with -the key member, and png_free_data() will free only text_ptr.key. Similarly, -if you transfer responsibility for free'ing text_ptr from libpng to your -application, your application must not separately free those members. - -The png_free_data() function will turn off the "valid" flag for anything -it frees. If you need to turn the flag off for a chunk that was freed by your -application instead of by libpng, you can use - - png_set_invalid(png_ptr, info_ptr, mask); - mask - identifies the chunks to be made invalid, - containing the bitwise OR of one or - more of - PNG_INFO_gAMA, PNG_INFO_sBIT, - PNG_INFO_cHRM, PNG_INFO_PLTE, - PNG_INFO_tRNS, PNG_INFO_bKGD, - PNG_INFO_hIST, PNG_INFO_pHYs, - PNG_INFO_oFFs, PNG_INFO_tIME, - PNG_INFO_pCAL, PNG_INFO_sRGB, - PNG_INFO_iCCP, PNG_INFO_sPLT, - PNG_INFO_sCAL, PNG_INFO_IDAT - -For a more compact example of reading a PNG image, see the file example.c. - -.SS Reading PNG files progressively - -The progressive reader is slightly different then the non-progressive -reader. Instead of calling png_read_info(), png_read_rows(), and -png_read_end(), you make one call to png_process_data(), which calls -callbacks when it has the info, a row, or the end of the image. You -set up these callbacks with png_set_progressive_read_fn(). You don't -have to worry about the input/output functions of libpng, as you are -giving the library the data directly in png_process_data(). I will -assume that you have read the section on reading PNG files above, -so I will only highlight the differences (although I will show -all of the code). - -png_structp png_ptr; -png_infop info_ptr; - - /* An example code fragment of how you would - initialize the progressive reader in your - application. */ - int - initialize_png_reader() - { - png_ptr = png_create_read_struct - (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr, - user_error_fn, user_warning_fn); - if (!png_ptr) - return (ERROR); - info_ptr = png_create_info_struct(png_ptr); - if (!info_ptr) - { - png_destroy_read_struct(&png_ptr, (png_infopp)NULL, - (png_infopp)NULL); - return (ERROR); - } - - if (setjmp(png_jmpbuf(png_ptr))) - { - png_destroy_read_struct(&png_ptr, &info_ptr, - (png_infopp)NULL); - return (ERROR); - } - - /* This one's new. You can provide functions - to be called when the header info is valid, - when each row is completed, and when the image - is finished. If you aren't using all functions, - you can specify NULL parameters. Even when all - three functions are NULL, you need to call - png_set_progressive_read_fn(). You can use - any struct as the user_ptr (cast to a void pointer - for the function call), and retrieve the pointer - from inside the callbacks using the function - - png_get_progressive_ptr(png_ptr); - - which will return a void pointer, which you have - to cast appropriately. - */ - png_set_progressive_read_fn(png_ptr, (void *)user_ptr, - info_callback, row_callback, end_callback); - - return 0; - } - - /* A code fragment that you call as you receive blocks - of data */ - int - process_data(png_bytep buffer, png_uint_32 length) - { - if (setjmp(png_jmpbuf(png_ptr))) - { - png_destroy_read_struct(&png_ptr, &info_ptr, - (png_infopp)NULL); - return (ERROR); - } - - /* This one's new also. Simply give it a chunk - of data from the file stream (in order, of - course). On machines with segmented memory - models machines, don't give it any more than - 64K. The library seems to run fine with sizes - of 4K. Although you can give it much less if - necessary (I assume you can give it chunks of - 1 byte, I haven't tried less then 256 bytes - yet). When this function returns, you may - want to display any rows that were generated - in the row callback if you don't already do - so there. - */ - png_process_data(png_ptr, info_ptr, buffer, length); - return 0; - } - - /* This function is called (as set by - png_set_progressive_read_fn() above) when enough data - has been supplied so all of the header has been - read. - */ - void - info_callback(png_structp png_ptr, png_infop info) - { - /* Do any setup here, including setting any of - the transformations mentioned in the Reading - PNG files section. For now, you _must_ call - either png_start_read_image() or - png_read_update_info() after all the - transformations are set (even if you don't set - any). You may start getting rows before - png_process_data() returns, so this is your - last chance to prepare for that. - */ - } - - /* This function is called when each row of image - data is complete */ - void - row_callback(png_structp png_ptr, png_bytep new_row, - png_uint_32 row_num, int pass) - { - /* If the image is interlaced, and you turned - on the interlace handler, this function will - be called for every row in every pass. Some - of these rows will not be changed from the - previous pass. When the row is not changed, - the new_row variable will be NULL. The rows - and passes are called in order, so you don't - really need the row_num and pass, but I'm - supplying them because it may make your life - easier. - - For the non-NULL rows of interlaced images, - you must call png_progressive_combine_row() - passing in the row and the old row. You can - call this function for NULL rows (it will just - return) and for non-interlaced images (it just - does the memcpy for you) if it will make the - code easier. Thus, you can just do this for - all cases: - */ - - png_progressive_combine_row(png_ptr, old_row, - new_row); - - /* where old_row is what was displayed for - previously for the row. Note that the first - pass (pass == 0, really) will completely cover - the old row, so the rows do not have to be - initialized. After the first pass (and only - for interlaced images), you will have to pass - the current row, and the function will combine - the old row and the new row. - */ - } - - void - end_callback(png_structp png_ptr, png_infop info) - { - /* This function is called after the whole image - has been read, including any chunks after the - image (up to and including the IEND). You - will usually have the same info chunk as you - had in the header, although some data may have - been added to the comments and time fields. - - Most people won't do much here, perhaps setting - a flag that marks the image as finished. - */ - } - - - -.SH IV. Writing - -Much of this is very similar to reading. However, everything of -importance is repeated here, so you won't have to constantly look -back up in the reading section to understand writing. - -.SS Setup - -You will want to do the I/O initialization before you get into libpng, -so if it doesn't work, you don't have anything to undo. If you are not -using the standard I/O functions, you will need to replace them with -custom writing functions. See the discussion under Customizing libpng. - - FILE *fp = fopen(file_name, "wb"); - if (!fp) - { - return (ERROR); - } - -Next, png_struct and png_info need to be allocated and initialized. -As these can be both relatively large, you may not want to store these -on the stack, unless you have stack space to spare. Of course, you -will want to check if they return NULL. If you are also reading, -you won't want to name your read structure and your write structure -both "png_ptr"; you can call them anything you like, such as -"read_ptr" and "write_ptr". Look at pngtest.c, for example. - - png_structp png_ptr = png_create_write_struct - (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr, - user_error_fn, user_warning_fn); - if (!png_ptr) - return (ERROR); - - png_infop info_ptr = png_create_info_struct(png_ptr); - if (!info_ptr) - { - png_destroy_write_struct(&png_ptr, - (png_infopp)NULL); - return (ERROR); - } - -If you want to use your own memory allocation routines, -define PNG_USER_MEM_SUPPORTED and use -png_create_write_struct_2() instead of png_create_write_struct(): - - png_structp png_ptr = png_create_write_struct_2 - (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr, - user_error_fn, user_warning_fn, (png_voidp) - user_mem_ptr, user_malloc_fn, user_free_fn); - -After you have these structures, you will need to set up the -error handling. When libpng encounters an error, it expects to -longjmp() back to your routine. Therefore, you will need to call -setjmp() and pass the png_jmpbuf(png_ptr). If you -write the file from different routines, you will need to update -the png_jmpbuf(png_ptr) every time you enter a new routine that will -call a png_*() function. See your documentation of setjmp/longjmp -for your compiler for more information on setjmp/longjmp. See -the discussion on libpng error handling in the Customizing Libpng -section below for more information on the libpng error handling. - - if (setjmp(png_jmpbuf(png_ptr))) - { - png_destroy_write_struct(&png_ptr, &info_ptr); - fclose(fp); - return (ERROR); - } - ... - return; - -If you would rather avoid the complexity of setjmp/longjmp issues, -you can compile libpng with PNG_SETJMP_NOT_SUPPORTED, in which case -errors will result in a call to PNG_ABORT() which defaults to abort(). - -Now you need to set up the output code. The default for libpng is to -use the C function fwrite(). If you use this, you will need to pass a -valid FILE * in the function png_init_io(). Be sure that the file is -opened in binary mode. Again, if you wish to handle writing data in -another way, see the discussion on libpng I/O handling in the Customizing -Libpng section below. - - png_init_io(png_ptr, fp); - -If you are embedding your PNG into a datastream such as MNG, and don't -want libpng to write the 8-byte signature, or if you have already -written the signature in your application, use - - png_set_sig_bytes(png_ptr, 8); - -to inform libpng that it should not write a signature. - -.SS Write callbacks - -At this point, you can set up a callback function that will be -called after each row has been written, which you can use to control -a progress meter or the like. It's demonstrated in pngtest.c. -You must supply a function - - void write_row_callback(png_ptr, png_uint_32 row, - int pass); - { - /* put your code here */ - } - -(You can give it another name that you like instead of "write_row_callback") - -To inform libpng about your function, use - - png_set_write_status_fn(png_ptr, write_row_callback); - -You now have the option of modifying how the compression library will -run. The following functions are mainly for testing, but may be useful -in some cases, like if you need to write PNG files extremely fast and -are willing to give up some compression, or if you want to get the -maximum possible compression at the expense of slower writing. If you -have no special needs in this area, let the library do what it wants by -not calling this function at all, as it has been tuned to deliver a good -speed/compression ratio. The second parameter to png_set_filter() is -the filter method, for which the only valid values are 0 (as of the -July 1999 PNG specification, version 1.2) or 64 (if you are writing -a PNG datastream that is to be embedded in a MNG datastream). The third -parameter is a flag that indicates which filter type(s) are to be tested -for each scanline. See the PNG specification for details on the specific filter -types. - - - /* turn on or off filtering, and/or choose - specific filters. You can use either a single - PNG_FILTER_VALUE_NAME or the bitwise OR of one - or more PNG_FILTER_NAME masks. */ - png_set_filter(png_ptr, 0, - PNG_FILTER_NONE | PNG_FILTER_VALUE_NONE | - PNG_FILTER_SUB | PNG_FILTER_VALUE_SUB | - PNG_FILTER_UP | PNG_FILTER_VALUE_UP | - PNG_FILTER_AVE | PNG_FILTER_VALUE_AVE | - PNG_FILTER_PAETH | PNG_FILTER_VALUE_PAETH| - PNG_ALL_FILTERS); - -If an application -wants to start and stop using particular filters during compression, -it should start out with all of the filters (to ensure that the previous -row of pixels will be stored in case it's needed later), and then add -and remove them after the start of compression. - -If you are writing a PNG datastream that is to be embedded in a MNG -datastream, the second parameter can be either 0 or 64. - -The png_set_compression_*() functions interface to the zlib compression -library, and should mostly be ignored unless you really know what you are -doing. The only generally useful call is png_set_compression_level() -which changes how much time zlib spends on trying to compress the image -data. See the Compression Library (zlib.h and algorithm.txt, distributed -with zlib) for details on the compression levels. - - /* set the zlib compression level */ - png_set_compression_level(png_ptr, - Z_BEST_COMPRESSION); - - /* set other zlib parameters */ - png_set_compression_mem_level(png_ptr, 8); - png_set_compression_strategy(png_ptr, - Z_DEFAULT_STRATEGY); - png_set_compression_window_bits(png_ptr, 15); - png_set_compression_method(png_ptr, 8); - png_set_compression_buffer_size(png_ptr, 8192) - -extern PNG_EXPORT(void,png_set_zbuf_size) - -.SS Setting the contents of info for output - -You now need to fill in the png_info structure with all the data you -wish to write before the actual image. Note that the only thing you -are allowed to write after the image is the text chunks and the time -chunk (as of PNG Specification 1.2, anyway). See png_write_end() and -the latest PNG specification for more information on that. If you -wish to write them before the image, fill them in now, and flag that -data as being valid. If you want to wait until after the data, don't -fill them until png_write_end(). For all the fields in png_info and -their data types, see png.h. For explanations of what the fields -contain, see the PNG specification. - -Some of the more important parts of the png_info are: - - png_set_IHDR(png_ptr, info_ptr, width, height, - bit_depth, color_type, interlace_type, - compression_type, filter_method) - width - holds the width of the image - in pixels (up to 2^31). - height - holds the height of the image - in pixels (up to 2^31). - bit_depth - holds the bit depth of one of the - image channels. - (valid values are 1, 2, 4, 8, 16 - and depend also on the - color_type. See also significant - bits (sBIT) below). - color_type - describes which color/alpha - channels are present. - PNG_COLOR_TYPE_GRAY - (bit depths 1, 2, 4, 8, 16) - PNG_COLOR_TYPE_GRAY_ALPHA - (bit depths 8, 16) - PNG_COLOR_TYPE_PALETTE - (bit depths 1, 2, 4, 8) - PNG_COLOR_TYPE_RGB - (bit_depths 8, 16) - PNG_COLOR_TYPE_RGB_ALPHA - (bit_depths 8, 16) - - PNG_COLOR_MASK_PALETTE - PNG_COLOR_MASK_COLOR - PNG_COLOR_MASK_ALPHA - - interlace_type - PNG_INTERLACE_NONE or - PNG_INTERLACE_ADAM7 - compression_type - (must be - PNG_COMPRESSION_TYPE_DEFAULT) - filter_method - (must be PNG_FILTER_TYPE_DEFAULT - or, if you are writing a PNG to - be embedded in a MNG datastream, - can also be - PNG_INTRAPIXEL_DIFFERENCING) - -If you call png_set_IHDR(), the call must appear before any of the -other png_set_*() functions, which might require access to some of -the IHDR settings. The remaining png_set_*() functions can be called -in any order. - - png_set_PLTE(png_ptr, info_ptr, palette, - num_palette); - palette - the palette for the file - (array of png_color) - num_palette - number of entries in the palette - - png_set_gAMA(png_ptr, info_ptr, gamma); - gamma - the gamma the image was created - at (PNG_INFO_gAMA) - - png_set_sRGB(png_ptr, info_ptr, srgb_intent); - srgb_intent - the rendering intent - (PNG_INFO_sRGB) The presence of - the sRGB chunk means that the pixel - data is in the sRGB color space. - This chunk also implies specific - values of gAMA and cHRM. Rendering - intent is the CSS-1 property that - has been defined by the International - Color Consortium - (http://www.color.org). - It can be one of - PNG_sRGB_INTENT_SATURATION, - PNG_sRGB_INTENT_PERCEPTUAL, - PNG_sRGB_INTENT_ABSOLUTE, or - PNG_sRGB_INTENT_RELATIVE. - - - png_set_sRGB_gAMA_and_cHRM(png_ptr, info_ptr, - srgb_intent); - srgb_intent - the rendering intent - (PNG_INFO_sRGB) The presence of the - sRGB chunk means that the pixel - data is in the sRGB color space. - This function also causes gAMA and - cHRM chunks with the specific values - that are consistent with sRGB to be - written. - - png_set_iCCP(png_ptr, info_ptr, name, compression_type, - profile, proflen); - name - The profile name. - compression - The compression type; always - PNG_COMPRESSION_TYPE_BASE for PNG 1.0. - You may give NULL to this argument to - ignore it. - profile - International Color Consortium color - profile data. May contain NULs. - proflen - length of profile data in bytes. - - png_set_sBIT(png_ptr, info_ptr, sig_bit); - sig_bit - the number of significant bits for - (PNG_INFO_sBIT) each of the gray, red, - green, and blue channels, whichever are - appropriate for the given color type - (png_color_16) - - png_set_tRNS(png_ptr, info_ptr, trans, num_trans, - trans_values); - trans - array of transparent entries for - palette (PNG_INFO_tRNS) - trans_values - graylevel or color sample values of - the single transparent color for - non-paletted images (PNG_INFO_tRNS) - num_trans - number of transparent entries - (PNG_INFO_tRNS) - - png_set_hIST(png_ptr, info_ptr, hist); - (PNG_INFO_hIST) - hist - histogram of palette (array of - png_uint_16) - - png_set_tIME(png_ptr, info_ptr, mod_time); - mod_time - time image was last modified - (PNG_VALID_tIME) - - png_set_bKGD(png_ptr, info_ptr, background); - background - background color (PNG_VALID_bKGD) - - png_set_text(png_ptr, info_ptr, text_ptr, num_text); - text_ptr - array of png_text holding image - comments - text_ptr[i].compression - type of compression used - on "text" PNG_TEXT_COMPRESSION_NONE - PNG_TEXT_COMPRESSION_zTXt - PNG_ITXT_COMPRESSION_NONE - PNG_ITXT_COMPRESSION_zTXt - text_ptr[i].key - keyword for comment. Must contain - 1-79 characters. - text_ptr[i].text - text comments for current - keyword. Can be NULL or empty. - text_ptr[i].text_length - length of text string, - after decompression, 0 for iTXt - text_ptr[i].itxt_length - length of itxt string, - after decompression, 0 for tEXt/zTXt - text_ptr[i].lang - language of comment (NULL or - empty for unknown). - text_ptr[i].translated_keyword - keyword in UTF-8 (NULL - or empty for unknown). - num_text - number of comments - - png_set_sPLT(png_ptr, info_ptr, &palette_ptr, - num_spalettes); - palette_ptr - array of png_sPLT_struct structures - to be added to the list of palettes - in the info structure. - num_spalettes - number of palette structures to be - added. - - png_set_oFFs(png_ptr, info_ptr, offset_x, offset_y, - unit_type); - offset_x - positive offset from the left - edge of the screen - offset_y - positive offset from the top - edge of the screen - unit_type - PNG_OFFSET_PIXEL, PNG_OFFSET_MICROMETER - - png_set_pHYs(png_ptr, info_ptr, res_x, res_y, - unit_type); - res_x - pixels/unit physical resolution - in x direction - res_y - pixels/unit physical resolution - in y direction - unit_type - PNG_RESOLUTION_UNKNOWN, - PNG_RESOLUTION_METER - - png_set_sCAL(png_ptr, info_ptr, unit, width, height) - unit - physical scale units (an integer) - width - width of a pixel in physical scale units - height - height of a pixel in physical scale units - (width and height are doubles) - - png_set_sCAL_s(png_ptr, info_ptr, unit, width, height) - unit - physical scale units (an integer) - width - width of a pixel in physical scale units - height - height of a pixel in physical scale units - (width and height are strings like "2.54") - - png_set_unknown_chunks(png_ptr, info_ptr, &unknowns, - num_unknowns) - unknowns - array of png_unknown_chunk - structures holding unknown chunks - unknowns[i].name - name of unknown chunk - unknowns[i].data - data of unknown chunk - unknowns[i].size - size of unknown chunk's data - unknowns[i].location - position to write chunk in file - 0: do not write chunk - PNG_HAVE_IHDR: before PLTE - PNG_HAVE_PLTE: before IDAT - PNG_AFTER_IDAT: after IDAT - -The "location" member is set automatically according to -what part of the output file has already been written. -You can change its value after calling png_set_unknown_chunks() -as demonstrated in pngtest.c. Within each of the "locations", -the chunks are sequenced according to their position in the -structure (that is, the value of "i", which is the order in which -the chunk was either read from the input file or defined with -png_set_unknown_chunks). - -A quick word about text and num_text. text is an array of png_text -structures. num_text is the number of valid structures in the array. -Each png_text structure holds a language code, a keyword, a text value, -and a compression type. - -The compression types have the same valid numbers as the compression -types of the image data. Currently, the only valid number is zero. -However, you can store text either compressed or uncompressed, unlike -images, which always have to be compressed. So if you don't want the -text compressed, set the compression type to PNG_TEXT_COMPRESSION_NONE. -Because tEXt and zTXt chunks don't have a language field, if you -specify PNG_TEXT_COMPRESSION_NONE or PNG_TEXT_COMPRESSION_zTXt -any language code or translated keyword will not be written out. - -Until text gets around 1000 bytes, it is not worth compressing it. -After the text has been written out to the file, the compression type -is set to PNG_TEXT_COMPRESSION_NONE_WR or PNG_TEXT_COMPRESSION_zTXt_WR, -so that it isn't written out again at the end (in case you are calling -png_write_end() with the same struct. - -The keywords that are given in the PNG Specification are: - - Title Short (one line) title or - caption for image - Author Name of image's creator - Description Description of image (possibly long) - Copyright Copyright notice - Creation Time Time of original image creation - (usually RFC 1123 format, see below) - Software Software used to create the image - Disclaimer Legal disclaimer - Warning Warning of nature of content - Source Device used to create the image - Comment Miscellaneous comment; conversion - from other image format - -The keyword-text pairs work like this. Keywords should be short -simple descriptions of what the comment is about. Some typical -keywords are found in the PNG specification, as is some recommendations -on keywords. You can repeat keywords in a file. You can even write -some text before the image and some after. For example, you may want -to put a description of the image before the image, but leave the -disclaimer until after, so viewers working over modem connections -don't have to wait for the disclaimer to go over the modem before -they start seeing the image. Finally, keywords should be full -words, not abbreviations. Keywords and text are in the ISO 8859-1 -(Latin-1) character set (a superset of regular ASCII) and can not -contain NUL characters, and should not contain control or other -unprintable characters. To make the comments widely readable, stick -with basic ASCII, and avoid machine specific character set extensions -like the IBM-PC character set. The keyword must be present, but -you can leave off the text string on non-compressed pairs. -Compressed pairs must have a text string, as only the text string -is compressed anyway, so the compression would be meaningless. - -PNG supports modification time via the png_time structure. Two -conversion routines are provided, png_convert_from_time_t() for -time_t and png_convert_from_struct_tm() for struct tm. The -time_t routine uses gmtime(). You don't have to use either of -these, but if you wish to fill in the png_time structure directly, -you should provide the time in universal time (GMT) if possible -instead of your local time. Note that the year number is the full -year (e.g. 1998, rather than 98 - PNG is year 2000 compliant!), and -that months start with 1. - -If you want to store the time of the original image creation, you should -use a plain tEXt chunk with the "Creation Time" keyword. This is -necessary because the "creation time" of a PNG image is somewhat vague, -depending on whether you mean the PNG file, the time the image was -created in a non-PNG format, a still photo from which the image was -scanned, or possibly the subject matter itself. In order to facilitate -machine-readable dates, it is recommended that the "Creation Time" -tEXt chunk use RFC 1123 format dates (e.g. "22 May 1997 18:07:10 GMT"), -although this isn't a requirement. Unlike the tIME chunk, the -"Creation Time" tEXt chunk is not expected to be automatically changed -by the software. To facilitate the use of RFC 1123 dates, a function -png_convert_to_rfc1123(png_timep) is provided to convert from PNG -time to an RFC 1123 format string. - -.SS Writing unknown chunks - -You can use the png_set_unknown_chunks function to queue up chunks -for writing. You give it a chunk name, raw data, and a size; that's -all there is to it. The chunks will be written by the next following -png_write_info_before_PLTE, png_write_info, or png_write_end function. -Any chunks previously read into the info structure's unknown-chunk -list will also be written out in a sequence that satisfies the PNG -specification's ordering rules. - -.SS The high-level write interface - -At this point there are two ways to proceed; through the high-level -write interface, or through a sequence of low-level write operations. -You can use the high-level interface if your image data is present -in the info structure. All defined output -transformations are permitted, enabled by the following masks. - - PNG_TRANSFORM_IDENTITY No transformation - PNG_TRANSFORM_PACKING Pack 1, 2 and 4-bit samples - PNG_TRANSFORM_PACKSWAP Change order of packed - pixels to LSB first - PNG_TRANSFORM_INVERT_MONO Invert monochrome images - PNG_TRANSFORM_SHIFT Normalize pixels to the - sBIT depth - PNG_TRANSFORM_BGR Flip RGB to BGR, RGBA - to BGRA - PNG_TRANSFORM_SWAP_ALPHA Flip RGBA to ARGB or GA - to AG - PNG_TRANSFORM_INVERT_ALPHA Change alpha from opacity - to transparency - PNG_TRANSFORM_SWAP_ENDIAN Byte-swap 16-bit samples - PNG_TRANSFORM_STRIP_FILLER Strip out filler bytes. - -If you have valid image data in the info structure (you can use -png_set_rows() to put image data in the info structure), simply do this: - - png_write_png(png_ptr, info_ptr, png_transforms, NULL) - -where png_transforms is an integer containing the bitwise OR of some set of -transformation flags. This call is equivalent to png_write_info(), -followed the set of transformations indicated by the transform mask, -then png_write_image(), and finally png_write_end(). - -(The final parameter of this call is not yet used. Someday it might point -to transformation parameters required by some future output transform.) - -You must use png_transforms and not call any png_set_transform() functions -when you use png_write_png(). - -.SS The low-level write interface - -If you are going the low-level route instead, you are now ready to -write all the file information up to the actual image data. You do -this with a call to png_write_info(). - - png_write_info(png_ptr, info_ptr); - -Note that there is one transformation you may need to do before -png_write_info(). In PNG files, the alpha channel in an image is the -level of opacity. If your data is supplied as a level of -transparency, you can invert the alpha channel before you write it, so -that 0 is fully transparent and 255 (in 8-bit or paletted images) or -65535 (in 16-bit images) is fully opaque, with - - png_set_invert_alpha(png_ptr); - -This must appear before png_write_info() instead of later with the -other transformations because in the case of paletted images the tRNS -chunk data has to be inverted before the tRNS chunk is written. If -your image is not a paletted image, the tRNS data (which in such cases -represents a single color to be rendered as transparent) won't need to -be changed, and you can safely do this transformation after your -png_write_info() call. - -If you need to write a private chunk that you want to appear before -the PLTE chunk when PLTE is present, you can write the PNG info in -two steps, and insert code to write your own chunk between them: - - png_write_info_before_PLTE(png_ptr, info_ptr); - png_set_unknown_chunks(png_ptr, info_ptr, ...); - png_write_info(png_ptr, info_ptr); - -After you've written the file information, you can set up the library -to handle any special transformations of the image data. The various -ways to transform the data will be described in the order that they -should occur. This is important, as some of these change the color -type and/or bit depth of the data, and some others only work on -certain color types and bit depths. Even though each transformation -checks to see if it has data that it can do something with, you should -make sure to only enable a transformation if it will be valid for the -data. For example, don't swap red and blue on grayscale data. - -PNG files store RGB pixels packed into 3 or 6 bytes. This code tells -the library to strip input data that has 4 or 8 bytes per pixel down -to 3 or 6 bytes (or strip 2 or 4-byte grayscale+filler data to 1 or 2 -bytes per pixel). - - png_set_filler(png_ptr, 0, PNG_FILLER_BEFORE); - -where the 0 is unused, and the location is either PNG_FILLER_BEFORE or -PNG_FILLER_AFTER, depending upon whether the filler byte in the pixel -is stored XRGB or RGBX. - -PNG files pack pixels of bit depths 1, 2, and 4 into bytes as small as -they can, resulting in, for example, 8 pixels per byte for 1 bit files. -If the data is supplied at 1 pixel per byte, use this code, which will -correctly pack the pixels into a single byte: - - png_set_packing(png_ptr); - -PNG files reduce possible bit depths to 1, 2, 4, 8, and 16. If your -data is of another bit depth, you can write an sBIT chunk into the -file so that decoders can recover the original data if desired. - - /* Set the true bit depth of the image data */ - if (color_type & PNG_COLOR_MASK_COLOR) - { - sig_bit.red = true_bit_depth; - sig_bit.green = true_bit_depth; - sig_bit.blue = true_bit_depth; - } - else - { - sig_bit.gray = true_bit_depth; - } - if (color_type & PNG_COLOR_MASK_ALPHA) - { - sig_bit.alpha = true_bit_depth; - } - - png_set_sBIT(png_ptr, info_ptr, &sig_bit); - -If the data is stored in the row buffer in a bit depth other than -one supported by PNG (e.g. 3 bit data in the range 0-7 for a 4-bit PNG), -this will scale the values to appear to be the correct bit depth as -is required by PNG. - - png_set_shift(png_ptr, &sig_bit); - -PNG files store 16 bit pixels in network byte order (big-endian, -ie. most significant bits first). This code would be used if they are -supplied the other way (little-endian, i.e. least significant bits -first, the way PCs store them): - - if (bit_depth > 8) - png_set_swap(png_ptr); - -If you are using packed-pixel images (1, 2, or 4 bits/pixel), and you -need to change the order the pixels are packed into bytes, you can use: - - if (bit_depth < 8) - png_set_packswap(png_ptr); - -PNG files store 3 color pixels in red, green, blue order. This code -would be used if they are supplied as blue, green, red: - - png_set_bgr(png_ptr); - -PNG files describe monochrome as black being zero and white being -one. This code would be used if the pixels are supplied with this reversed -(black being one and white being zero): - - png_set_invert_mono(png_ptr); - -Finally, you can write your own transformation function if none of -the existing ones meets your needs. This is done by setting a callback -with - - png_set_write_user_transform_fn(png_ptr, - write_transform_fn); - -You must supply the function - - void write_transform_fn(png_ptr ptr, row_info_ptr - row_info, png_bytep data) - -See pngtest.c for a working example. Your function will be called -before any of the other transformations are processed. - -You can also set up a pointer to a user structure for use by your -callback function. - - png_set_user_transform_info(png_ptr, user_ptr, 0, 0); - -The user_channels and user_depth parameters of this function are ignored -when writing; you can set them to zero as shown. - -You can retrieve the pointer via the function png_get_user_transform_ptr(). -For example: - - voidp write_user_transform_ptr = - png_get_user_transform_ptr(png_ptr); - -It is possible to have libpng flush any pending output, either manually, -or automatically after a certain number of lines have been written. To -flush the output stream a single time call: - - png_write_flush(png_ptr); - -and to have libpng flush the output stream periodically after a certain -number of scanlines have been written, call: - - png_set_flush(png_ptr, nrows); - -Note that the distance between rows is from the last time png_write_flush() -was called, or the first row of the image if it has never been called. -So if you write 50 lines, and then png_set_flush 25, it will flush the -output on the next scanline, and every 25 lines thereafter, unless -png_write_flush() is called before 25 more lines have been written. -If nrows is too small (less than about 10 lines for a 640 pixel wide -RGB image) the image compression may decrease noticeably (although this -may be acceptable for real-time applications). Infrequent flushing will -only degrade the compression performance by a few percent over images -that do not use flushing. - -.SS Writing the image data - -That's it for the transformations. Now you can write the image data. -The simplest way to do this is in one function call. If you have the -whole image in memory, you can just call png_write_image() and libpng -will write the image. You will need to pass in an array of pointers to -each row. This function automatically handles interlacing, so you don't -need to call png_set_interlace_handling() or call this function multiple -times, or any of that other stuff necessary with png_write_rows(). - - png_write_image(png_ptr, row_pointers); - -where row_pointers is: - - png_byte *row_pointers[height]; - -You can point to void or char or whatever you use for pixels. - -If you don't want to write the whole image at once, you can -use png_write_rows() instead. If the file is not interlaced, -this is simple: - - png_write_rows(png_ptr, row_pointers, - number_of_rows); - -row_pointers is the same as in the png_write_image() call. - -If you are just writing one row at a time, you can do this with -a single row_pointer instead of an array of row_pointers: - - png_bytep row_pointer = row; - - png_write_row(png_ptr, row_pointer); - -When the file is interlaced, things can get a good deal more -complicated. The only currently (as of the PNG Specification -version 1.2, dated July 1999) defined interlacing scheme for PNG files -is the "Adam7" interlace scheme, that breaks down an -image into seven smaller images of varying size. libpng will build -these images for you, or you can do them yourself. If you want to -build them yourself, see the PNG specification for details of which -pixels to write when. - -If you don't want libpng to handle the interlacing details, just -use png_set_interlace_handling() and call png_write_rows() the -correct number of times to write all seven sub-images. - -If you want libpng to build the sub-images, call this before you start -writing any rows: - - number_of_passes = - png_set_interlace_handling(png_ptr); - -This will return the number of passes needed. Currently, this -is seven, but may change if another interlace type is added. - -Then write the complete image number_of_passes times. - - png_write_rows(png_ptr, row_pointers, - number_of_rows); - -As some of these rows are not used, and thus return immediately, -you may want to read about interlacing in the PNG specification, -and only update the rows that are actually used. - -.SS Finishing a sequential write - -After you are finished writing the image, you should finish writing -the file. If you are interested in writing comments or time, you should -pass an appropriately filled png_info pointer. If you are not interested, -you can pass NULL. - - png_write_end(png_ptr, info_ptr); - -When you are done, you can free all memory used by libpng like this: - - png_destroy_write_struct(&png_ptr, &info_ptr); - -It is also possible to individually free the info_ptr members that -point to libpng-allocated storage with the following function: - - png_free_data(png_ptr, info_ptr, mask, seq) - mask - identifies data to be freed, a mask - containing the bitwise OR of one or - more of - PNG_FREE_PLTE, PNG_FREE_TRNS, - PNG_FREE_HIST, PNG_FREE_ICCP, - PNG_FREE_PCAL, PNG_FREE_ROWS, - PNG_FREE_SCAL, PNG_FREE_SPLT, - PNG_FREE_TEXT, PNG_FREE_UNKN, - or simply PNG_FREE_ALL - seq - sequence number of item to be freed - (-1 for all items) - -This function may be safely called when the relevant storage has -already been freed, or has not yet been allocated, or was allocated -by the user and not by libpng, and will in those -cases do nothing. The "seq" parameter is ignored if only one item -of the selected data type, such as PLTE, is allowed. If "seq" is not --1, and multiple items are allowed for the data type identified in -the mask, such as text or sPLT, only the n'th item in the structure -is freed, where n is "seq". - -If you allocated data such as a palette that you passed -in to libpng with png_set_*, you must not free it until just before the call to -png_destroy_write_struct(). - -The default behavior is only to free data that was allocated internally -by libpng. This can be changed, so that libpng will not free the data, -or so that it will free data that was allocated by the user with png_malloc() -or png_zalloc() and passed in via a png_set_*() function, with - - png_data_freer(png_ptr, info_ptr, freer, mask) - mask - which data elements are affected - same choices as in png_free_data() - freer - one of - PNG_DESTROY_WILL_FREE_DATA - PNG_SET_WILL_FREE_DATA - PNG_USER_WILL_FREE_DATA - -For example, to transfer responsibility for some data from a read structure -to a write structure, you could use - - png_data_freer(read_ptr, read_info_ptr, - PNG_USER_WILL_FREE_DATA, - PNG_FREE_PLTE|PNG_FREE_tRNS|PNG_FREE_hIST) - png_data_freer(write_ptr, write_info_ptr, - PNG_DESTROY_WILL_FREE_DATA, - PNG_FREE_PLTE|PNG_FREE_tRNS|PNG_FREE_hIST) - -thereby briefly reassigning responsibility for freeing to the user but -immediately afterwards reassigning it once more to the write_destroy -function. Having done this, it would then be safe to destroy the read -structure and continue to use the PLTE, tRNS, and hIST data in the write -structure. - -This function only affects data that has already been allocated. -You can call this function before calling after the png_set_*() functions -to control whether the user or png_destroy_*() is supposed to free the data. -When the user assumes responsibility for libpng-allocated data, the -application must use -png_free() to free it, and when the user transfers responsibility to libpng -for data that the user has allocated, the user must have used png_malloc() -or png_zalloc() to allocate it. - -If you allocated text_ptr.text, text_ptr.lang, and text_ptr.translated_keyword -separately, do not transfer responsibility for freeing text_ptr to libpng, -because when libpng fills a png_text structure it combines these members with -the key member, and png_free_data() will free only text_ptr.key. Similarly, -if you transfer responsibility for free'ing text_ptr from libpng to your -application, your application must not separately free those members. -For a more compact example of writing a PNG image, see the file example.c. - -.SH V. Modifying/Customizing libpng: - -There are two issues here. The first is changing how libpng does -standard things like memory allocation, input/output, and error handling. -The second deals with more complicated things like adding new chunks, -adding new transformations, and generally changing how libpng works. -Both of those are compile-time issues; that is, they are generally -determined at the time the code is written, and there is rarely a need -to provide the user with a means of changing them. - -Memory allocation, input/output, and error handling - -All of the memory allocation, input/output, and error handling in libpng -goes through callbacks that are user-settable. The default routines are -in pngmem.c, pngrio.c, pngwio.c, and pngerror.c, respectively. To change -these functions, call the appropriate png_set_*_fn() function. - -Memory allocation is done through the functions png_malloc() -and png_free(). These currently just call the standard C functions. If -your pointers can't access more then 64K at a time, you will want to set -MAXSEG_64K in zlib.h. Since it is unlikely that the method of handling -memory allocation on a platform will change between applications, these -functions must be modified in the library at compile time. If you prefer -to use a different method of allocating and freeing data, you can use -png_create_read_struct_2() or png_create_write_struct_2() to register -your own functions as described above. -These functions also provide a void pointer that can be retrieved via - - mem_ptr=png_get_mem_ptr(png_ptr); - -Your replacement memory functions must have prototypes as follows: - - png_voidp malloc_fn(png_structp png_ptr, - png_size_t size); - void free_fn(png_structp png_ptr, png_voidp ptr); - -Your malloc_fn() must return NULL in case of failure. The png_malloc() -function will normally call png_error() if it receives a NULL from the -system memory allocator or from your replacement malloc_fn(). - -Your free_fn() will never be called with a NULL ptr, since libpng's -png_free() checks for NULL before calling free_fn(). - -Input/Output in libpng is done through png_read() and png_write(), -which currently just call fread() and fwrite(). The FILE * is stored in -png_struct and is initialized via png_init_io(). If you wish to change -the method of I/O, the library supplies callbacks that you can set -through the function png_set_read_fn() and png_set_write_fn() at run -time, instead of calling the png_init_io() function. These functions -also provide a void pointer that can be retrieved via the function -png_get_io_ptr(). For example: - - png_set_read_fn(png_structp read_ptr, - voidp read_io_ptr, png_rw_ptr read_data_fn) - - png_set_write_fn(png_structp write_ptr, - voidp write_io_ptr, png_rw_ptr write_data_fn, - png_flush_ptr output_flush_fn); - - voidp read_io_ptr = png_get_io_ptr(read_ptr); - voidp write_io_ptr = png_get_io_ptr(write_ptr); - -The replacement I/O functions must have prototypes as follows: - - void user_read_data(png_structp png_ptr, - png_bytep data, png_size_t length); - void user_write_data(png_structp png_ptr, - png_bytep data, png_size_t length); - void user_flush_data(png_structp png_ptr); - -Supplying NULL for the read, write, or flush functions sets them back -to using the default C stream functions. It is an error to read from -a write stream, and vice versa. - -Error handling in libpng is done through png_error() and png_warning(). -Errors handled through png_error() are fatal, meaning that png_error() -should never return to its caller. Currently, this is handled via -setjmp() and longjmp() (unless you have compiled libpng with -PNG_SETJMP_NOT_SUPPORTED, in which case it is handled via PNG_ABORT()), -but you could change this to do things like exit() if you should wish. - -On non-fatal errors, png_warning() is called -to print a warning message, and then control returns to the calling code. -By default png_error() and png_warning() print a message on stderr via -fprintf() unless the library is compiled with PNG_NO_CONSOLE_IO defined -(because you don't want the messages) or PNG_NO_STDIO defined (because -fprintf() isn't available). If you wish to change the behavior of the error -functions, you will need to set up your own message callbacks. These -functions are normally supplied at the time that the png_struct is created. -It is also possible to redirect errors and warnings to your own replacement -functions after png_create_*_struct() has been called by calling: - - png_set_error_fn(png_structp png_ptr, - png_voidp error_ptr, png_error_ptr error_fn, - png_error_ptr warning_fn); - - png_voidp error_ptr = png_get_error_ptr(png_ptr); - -If NULL is supplied for either error_fn or warning_fn, then the libpng -default function will be used, calling fprintf() and/or longjmp() if a -problem is encountered. The replacement error functions should have -parameters as follows: - - void user_error_fn(png_structp png_ptr, - png_const_charp error_msg); - void user_warning_fn(png_structp png_ptr, - png_const_charp warning_msg); - -The motivation behind using setjmp() and longjmp() is the C++ throw and -catch exception handling methods. This makes the code much easier to write, -as there is no need to check every return code of every function call. -However, there are some uncertainties about the status of local variables -after a longjmp, so the user may want to be careful about doing anything after -setjmp returns non-zero besides returning itself. Consult your compiler -documentation for more details. For an alternative approach, you may wish -to use the "cexcept" facility (see http://cexcept.sourceforge.net). - -.SS Custom chunks - -If you need to read or write custom chunks, you may need to get deeper -into the libpng code. The library now has mechanisms for storing -and writing chunks of unknown type; you can even declare callbacks -for custom chunks. However, this may not be good enough if the -library code itself needs to know about interactions between your -chunk and existing `intrinsic' chunks. - -If you need to write a new intrinsic chunk, first read the PNG -specification. Acquire a first level of -understanding of how it works. Pay particular attention to the -sections that describe chunk names, and look at how other chunks were -designed, so you can do things similarly. Second, check out the -sections of libpng that read and write chunks. Try to find a chunk -that is similar to yours and use it as a template. More details can -be found in the comments inside the code. It is best to handle unknown -chunks in a generic method, via callback functions, instead of by -modifying libpng functions. - -If you wish to write your own transformation for the data, look through -the part of the code that does the transformations, and check out some of -the simpler ones to get an idea of how they work. Try to find a similar -transformation to the one you want to add and copy off of it. More details -can be found in the comments inside the code itself. - -.SS Configuring for 16 bit platforms - -You will want to look into zconf.h to tell zlib (and thus libpng) that -it cannot allocate more then 64K at a time. Even if you can, the memory -won't be accessible. So limit zlib and libpng to 64K by defining MAXSEG_64K. - -.SS Configuring for DOS - -For DOS users who only have access to the lower 640K, you will -have to limit zlib's memory usage via a png_set_compression_mem_level() -call. See zlib.h or zconf.h in the zlib library for more information. - -.SS Configuring for Medium Model - -Libpng's support for medium model has been tested on most of the popular -compilers. Make sure MAXSEG_64K gets defined, USE_FAR_KEYWORD gets -defined, and FAR gets defined to far in pngconf.h, and you should be -all set. Everything in the library (except for zlib's structure) is -expecting far data. You must use the typedefs with the p or pp on -the end for pointers (or at least look at them and be careful). Make -note that the rows of data are defined as png_bytepp, which is an -unsigned char far * far *. - -.SS Configuring for gui/windowing platforms: - -You will need to write new error and warning functions that use the GUI -interface, as described previously, and set them to be the error and -warning functions at the time that png_create_*_struct() is called, -in order to have them available during the structure initialization. -They can be changed later via png_set_error_fn(). On some compilers, -you may also have to change the memory allocators (png_malloc, etc.). - -.SS Configuring for compiler xxx: - -All includes for libpng are in pngconf.h. If you need to add/change/delete -an include, this is the place to do it. The includes that are not -needed outside libpng are protected by the PNG_INTERNAL definition, -which is only defined for those routines inside libpng itself. The -files in libpng proper only include png.h, which includes pngconf.h. - -.SS Configuring zlib: - -There are special functions to configure the compression. Perhaps the -most useful one changes the compression level, which currently uses -input compression values in the range 0 - 9. The library normally -uses the default compression level (Z_DEFAULT_COMPRESSION = 6). Tests -have shown that for a large majority of images, compression values in -the range 3-6 compress nearly as well as higher levels, and do so much -faster. For online applications it may be desirable to have maximum speed -(Z_BEST_SPEED = 1). With versions of zlib after v0.99, you can also -specify no compression (Z_NO_COMPRESSION = 0), but this would create -files larger than just storing the raw bitmap. You can specify the -compression level by calling: - - png_set_compression_level(png_ptr, level); - -Another useful one is to reduce the memory level used by the library. -The memory level defaults to 8, but it can be lowered if you are -short on memory (running DOS, for example, where you only have 640K). -Note that the memory level does have an effect on compression; among -other things, lower levels will result in sections of incompressible -data being emitted in smaller stored blocks, with a correspondingly -larger relative overhead of up to 15% in the worst case. - - png_set_compression_mem_level(png_ptr, level); - -The other functions are for configuring zlib. They are not recommended -for normal use and may result in writing an invalid PNG file. See -zlib.h for more information on what these mean. - - png_set_compression_strategy(png_ptr, - strategy); - png_set_compression_window_bits(png_ptr, - window_bits); - png_set_compression_method(png_ptr, method); - png_set_compression_buffer_size(png_ptr, size); - -.SS Controlling row filtering - -If you want to control whether libpng uses filtering or not, which -filters are used, and how it goes about picking row filters, you -can call one of these functions. The selection and configuration -of row filters can have a significant impact on the size and -encoding speed and a somewhat lesser impact on the decoding speed -of an image. Filtering is enabled by default for RGB and grayscale -images (with and without alpha), but not for paletted images nor -for any images with bit depths less than 8 bits/pixel. - -The 'method' parameter sets the main filtering method, which is -currently only '0' in the PNG 1.2 specification. The 'filters' -parameter sets which filter(s), if any, should be used for each -scanline. Possible values are PNG_ALL_FILTERS and PNG_NO_FILTERS -to turn filtering on and off, respectively. - -Individual filter types are PNG_FILTER_NONE, PNG_FILTER_SUB, -PNG_FILTER_UP, PNG_FILTER_AVG, PNG_FILTER_PAETH, which can be bitwise -ORed together with '|' to specify one or more filters to use. -These filters are described in more detail in the PNG specification. -If you intend to change the filter type during the course of writing -the image, you should start with flags set for all of the filters -you intend to use so that libpng can initialize its internal -structures appropriately for all of the filter types. (Note that this -means the first row must always be adaptively filtered, because libpng -currently does not allocate the filter buffers until png_write_row() -is called for the first time.) - - filters = PNG_FILTER_NONE | PNG_FILTER_SUB - PNG_FILTER_UP | PNG_FILTER_AVE | - PNG_FILTER_PAETH | PNG_ALL_FILTERS; - - png_set_filter(png_ptr, PNG_FILTER_TYPE_BASE, - filters); - The second parameter can also be - PNG_INTRAPIXEL_DIFFERENCING if you are - writing a PNG to be embedded in a MNG - datastream. This parameter must be the - same as the value of filter_method used - in png_set_IHDR(). - -It is also possible to influence how libpng chooses from among the -available filters. This is done in one or both of two ways - by -telling it how important it is to keep the same filter for successive -rows, and by telling it the relative computational costs of the filters. - - double weights[3] = {1.5, 1.3, 1.1}, - costs[PNG_FILTER_VALUE_LAST] = - {1.0, 1.3, 1.3, 1.5, 1.7}; - - png_set_filter_heuristics(png_ptr, - PNG_FILTER_HEURISTIC_WEIGHTED, 3, - weights, costs); - -The weights are multiplying factors that indicate to libpng that the -row filter should be the same for successive rows unless another row filter -is that many times better than the previous filter. In the above example, -if the previous 3 filters were SUB, SUB, NONE, the SUB filter could have a -"sum of absolute differences" 1.5 x 1.3 times higher than other filters -and still be chosen, while the NONE filter could have a sum 1.1 times -higher than other filters and still be chosen. Unspecified weights are -taken to be 1.0, and the specified weights should probably be declining -like those above in order to emphasize recent filters over older filters. - -The filter costs specify for each filter type a relative decoding cost -to be considered when selecting row filters. This means that filters -with higher costs are less likely to be chosen over filters with lower -costs, unless their "sum of absolute differences" is that much smaller. -The costs do not necessarily reflect the exact computational speeds of -the various filters, since this would unduly influence the final image -size. - -Note that the numbers above were invented purely for this example and -are given only to help explain the function usage. Little testing has -been done to find optimum values for either the costs or the weights. - -.SS Removing unwanted object code - -There are a bunch of #define's in pngconf.h that control what parts of -libpng are compiled. All the defines end in _SUPPORTED. If you are -never going to use a capability, you can change the #define to #undef -before recompiling libpng and save yourself code and data space, or -you can turn off individual capabilities with defines that begin with -PNG_NO_. - -You can also turn all of the transforms and ancillary chunk capabilities -off en masse with compiler directives that define -PNG_NO_READ[or WRITE]_TRANSFORMS, or PNG_NO_READ[or WRITE]_ANCILLARY_CHUNKS, -or all four, -along with directives to turn on any of the capabilities that you do -want. The PNG_NO_READ[or WRITE]_TRANSFORMS directives disable -the extra transformations but still leave the library fully capable of reading -and writing PNG files with all known public chunks -Use of the PNG_NO_READ[or WRITE]_ANCILLARY_CHUNKS directive -produces a library that is incapable of reading or writing ancillary chunks. -If you are not using the progressive reading capability, you can -turn that off with PNG_NO_PROGRESSIVE_READ (don't confuse -this with the INTERLACING capability, which you'll still have). - -All the reading and writing specific code are in separate files, so the -linker should only grab the files it needs. However, if you want to -make sure, or if you are building a stand alone library, all the -reading files start with pngr and all the writing files start with -pngw. The files that don't match either (like png.c, pngtrans.c, etc.) -are used for both reading and writing, and always need to be included. -The progressive reader is in pngpread.c - -If you are creating or distributing a dynamically linked library (a .so -or DLL file), you should not remove or disable any parts of the library, -as this will cause applications linked with different versions of the -library to fail if they call functions not available in your library. -The size of the library itself should not be an issue, because only -those sections that are actually used will be loaded into memory. - -.SS Requesting debug printout - -The macro definition PNG_DEBUG can be used to request debugging -printout. Set it to an integer value in the range 0 to 3. Higher -numbers result in increasing amounts of debugging information. The -information is printed to the "stderr" file, unless another file -name is specified in the PNG_DEBUG_FILE macro definition. - -When PNG_DEBUG > 0, the following functions (macros) become available: - - png_debug(level, message) - png_debug1(level, message, p1) - png_debug2(level, message, p1, p2) - -in which "level" is compared to PNG_DEBUG to decide whether to print -the message, "message" is the formatted string to be printed, -and p1 and p2 are parameters that are to be embedded in the string -according to printf-style formatting directives. For example, - - png_debug1(2, "foo=%d\n", foo); - -is expanded to - - if(PNG_DEBUG > 2) - fprintf(PNG_DEBUG_FILE, "foo=%d\n", foo); - -When PNG_DEBUG is defined but is zero, the macros aren't defined, but you -can still use PNG_DEBUG to control your own debugging: - - #ifdef PNG_DEBUG - fprintf(stderr, ... - #endif - -When PNG_DEBUG = 1, the macros are defined, but only png_debug statements -having level = 0 will be printed. There aren't any such statements in -this version of libpng, but if you insert some they will be printed. - -.SH VII. MNG support - -The MNG specification (available at http://www.libpng.org/pub/mng) allows -certain extensions to PNG for PNG images that are embedded in MNG datastreams. -Libpng can support some of these extensions. To enable them, use the -png_permit_mng_features() function: - - feature_set = png_permit_mng_features(png_ptr, mask) - mask is a png_uint_32 containing the bitwise OR of the - features you want to enable. These include - PNG_FLAG_MNG_EMPTY_PLTE - PNG_FLAG_MNG_FILTER_64 - PNG_ALL_MNG_FEATURES - feature_set is a png_uint_32 that is the bitwise AND of - your mask with the set of MNG features that is - supported by the version of libpng that you are using. - -It is an error to use this function when reading or writing a standalone -PNG file with the PNG 8-byte signature. The PNG datastream must be wrapped -in a MNG datastream. As a minimum, it must have the MNG 8-byte signature -and the MHDR and MEND chunks. Libpng does not provide support for these -or any other MNG chunks; your application must provide its own support for -them. You may wish to consider using libmng (available at -http://www.libmng.com) instead. - -.SH VIII. Changes to Libpng from version 0.88 - -It should be noted that versions of libpng later than 0.96 are not -distributed by the original libpng author, Guy Schalnat, nor by -Andreas Dilger, who had taken over from Guy during 1996 and 1997, and -distributed versions 0.89 through 0.96, but rather by another member -of the original PNG Group, Glenn Randers-Pehrson. Guy and Andreas are -still alive and well, but they have moved on to other things. - -The old libpng functions png_read_init(), png_write_init(), -png_info_init(), png_read_destroy(), and png_write_destroy() have been -moved to PNG_INTERNAL in version 0.95 to discourage their use. These -functions will be removed from libpng version 2.0.0. - -The preferred method of creating and initializing the libpng structures is -via the png_create_read_struct(), png_create_write_struct(), and -png_create_info_struct() because they isolate the size of the structures -from the application, allow version error checking, and also allow the -use of custom error handling routines during the initialization, which -the old functions do not. The functions png_read_destroy() and -png_write_destroy() do not actually free the memory that libpng -allocated for these structs, but just reset the data structures, so they -can be used instead of png_destroy_read_struct() and -png_destroy_write_struct() if you feel there is too much system overhead -allocating and freeing the png_struct for each image read. - -Setting the error callbacks via png_set_message_fn() before -png_read_init() as was suggested in libpng-0.88 is no longer supported -because this caused applications that do not use custom error functions -to fail if the png_ptr was not initialized to zero. It is still possible -to set the error callbacks AFTER png_read_init(), or to change them with -png_set_error_fn(), which is essentially the same function, but with a new -name to force compilation errors with applications that try to use the old -method. - -Starting with version 1.0.7, you can find out which version of the library -you are using at run-time: - - png_uint_32 libpng_vn = png_access_version_number(); - -The number libpng_vn is constructed from the major version, minor -version with leading zero, and release number with leading zero, -(e.g., libpng_vn for version 1.0.7 is 10007). - -You can also check which version of png.h you used when compiling your -application: - - png_uint_32 application_vn = PNG_LIBPNG_VER; - -.SH IX. Y2K Compliance in libpng - -December 18, 2008 - -Since the PNG Development group is an ad-hoc body, we can't make -an official declaration. - -This is your unofficial assurance that libpng from version 0.71 and -upward through 1.2.34 are Y2K compliant. It is my belief that earlier -versions were also Y2K compliant. - -Libpng only has three year fields. One is a 2-byte unsigned integer that -will hold years up to 65535. The other two hold the date in text -format, and will hold years up to 9999. - -The integer is - "png_uint_16 year" in png_time_struct. - -The strings are - "png_charp time_buffer" in png_struct and - "near_time_buffer", which is a local character string in png.c. - -There are seven time-related functions: - - png_convert_to_rfc_1123() in png.c - (formerly png_convert_to_rfc_1152() in error) - png_convert_from_struct_tm() in pngwrite.c, called - in pngwrite.c - png_convert_from_time_t() in pngwrite.c - png_get_tIME() in pngget.c - png_handle_tIME() in pngrutil.c, called in pngread.c - png_set_tIME() in pngset.c - png_write_tIME() in pngwutil.c, called in pngwrite.c - -All appear to handle dates properly in a Y2K environment. The -png_convert_from_time_t() function calls gmtime() to convert from system -clock time, which returns (year - 1900), which we properly convert to -the full 4-digit year. There is a possibility that applications using -libpng are not passing 4-digit years into the png_convert_to_rfc_1123() -function, or that they are incorrectly passing only a 2-digit year -instead of "year - 1900" into the png_convert_from_struct_tm() function, -but this is not under our control. The libpng documentation has always -stated that it works with 4-digit years, and the APIs have been -documented as such. - -The tIME chunk itself is also Y2K compliant. It uses a 2-byte unsigned -integer to hold the year, and can hold years as large as 65535. - -zlib, upon which libpng depends, is also Y2K compliant. It contains -no date-related code. - - - Glenn Randers-Pehrson - libpng maintainer - PNG Development Group - -.SH NOTE - -Note about libpng version numbers: - -Due to various miscommunications, unforeseen code incompatibilities -and occasional factors outside the authors' control, version numbering -on the library has not always been consistent and straightforward. -The following table summarizes matters since version 0.89c, which was -the first widely used release: - - source png.h png.h shared-lib - version string int version - ------- ------ ----- ---------- - 0.89c ("beta 3") 0.89 89 1.0.89 - 0.90 ("beta 4") 0.90 90 0.90 - 0.95 ("beta 5") 0.95 95 0.95 - 0.96 ("beta 6") 0.96 96 0.96 - 0.97b ("beta 7") 1.00.97 97 1.0.1 - 0.97c 0.97 97 2.0.97 - 0.98 0.98 98 2.0.98 - 0.99 0.99 98 2.0.99 - 0.99a-m 0.99 99 2.0.99 - 1.00 1.00 100 2.1.0 - 1.0.0 1.0.0 100 2.1.0 - 1.0.0 (from here on, the 100 2.1.0 - 1.0.1 png.h string is 10001 2.1.0 - 1.0.1a-e identical to the 10002 from here on, the - 1.0.2 source version) 10002 shared library is 2.V - 1.0.2a-b 10003 where V is the source - 1.0.1 10001 code version except as - 1.0.1a-e 10002 2.1.0.1a-e noted. - 1.0.2 10002 2.1.0.2 - 1.0.2a-b 10003 2.1.0.2a-b - 1.0.3 10003 2.1.0.3 - 1.0.3a-d 10004 2.1.0.3a-d - 1.0.4 10004 2.1.0.4 - 1.0.4a-f 10005 2.1.0.4a-f - 1.0.5 (+ 2 patches) 10005 2.1.0.5 - 1.0.5a-d 10006 2.1.0.5a-d - 1.0.5e-r 10100 2.1.0.5e-r - 1.0.5s-v 10006 2.1.0.5s-v - 1.0.6 (+ 3 patches) 10006 2.1.0.6 - 1.0.6d-g 10007 2.1.0.6d-g - 1.0.6h 10007 10.6h - 1.0.6i 10007 10.6i - 1.0.6j 10007 2.1.0.6j - 1.0.7beta11-14 DLLNUM 10007 2.1.0.7beta11-14 - 1.0.7beta15-18 1 10007 2.1.0.7beta15-18 - 1.0.7rc1-2 1 10007 2.1.0.7rc1-2 - 1.0.7 1 10007 2.1.0.7 - 1.0.8beta1-4 1 10008 2.1.0.8beta1-4 - 1.0.8rc1 1 10008 2.1.0.8rc1 - 1.0.8 1 10008 2.1.0.8 - 1.0.9beta1-6 1 10009 2.1.0.9beta1-6 - 1.0.9rc1 1 10009 2.1.0.9rc1 - 1.0.9beta7-10 1 10009 2.1.0.9beta7-10 - 1.0.9rc2 1 10009 2.1.0.9rc2 - 1.0.9 1 10009 2.1.0.9 - 1.0.10beta1 1 10010 2.1.0.10beta1 - 1.0.10rc1 1 10010 2.1.0.10rc1 - 1.0.10 1 10010 2.1.0.10 - 1.0.11beta1-3 1 10011 2.1.0.11beta1-3 - 1.0.11rc1 1 10011 2.1.0.11rc1 - 1.0.11 1 10011 2.1.0.11 - 1.0.12beta1-2 2 10012 2.1.0.12beta1-2 - 1.0.12rc1 2 10012 2.1.0.12rc1 - 1.0.12 2 10012 2.1.0.12 - 1.1.0a-f - 10100 2.1.1.0a-f abandoned - 1.2.0beta1-2 2 10200 2.1.2.0beta1-2 - 1.2.0beta3-5 3 10200 3.1.2.0beta3-5 - 1.2.0rc1 3 10200 3.1.2.0rc1 - 1.2.0 3 10200 3.1.2.0 - 1.2.1beta-4 3 10201 3.1.2.1beta1-4 - 1.2.1rc1-2 3 10201 3.1.2.1rc1-2 - 1.2.1 3 10201 3.1.2.1 - 1.2.2beta1-6 12 10202 12.so.0.1.2.2beta1-6 - 1.0.13beta1 10 10013 10.so.0.1.0.13beta1 - 1.0.13rc1 10 10013 10.so.0.1.0.13rc1 - 1.2.2rc1 12 10202 12.so.0.1.2.2rc1 - 1.0.13 10 10013 10.so.0.1.0.13 - 1.2.2 12 10202 12.so.0.1.2.2 - 1.2.3rc1-6 12 10203 12.so.0.1.2.3rc1-6 - 1.2.3 12 10203 12.so.0.1.2.3 - 1.2.4beta1-3 13 10204 12.so.0.1.2.4beta1-3 - 1.2.4rc1 13 10204 12.so.0.1.2.4rc1 - 1.0.14 10 10014 10.so.0.1.0.14 - 1.2.4 13 10204 12.so.0.1.2.4 - 1.2.5beta1-2 13 10205 12.so.0.1.2.5beta1-2 - 1.0.15rc1 10 10015 10.so.0.1.0.15rc1 - 1.0.15 10 10015 10.so.0.1.0.15 - 1.2.5 13 10205 12.so.0.1.2.5 - 1.2.6beta1-4 13 10206 12.so.0.1.2.6beta1-4 - 1.2.6rc1-5 13 10206 12.so.0.1.2.6rc1-5 - 1.0.16 10 10016 10.so.0.1.0.16 - 1.2.6 13 10206 12.so.0.1.2.6 - 1.2.7beta1-2 13 10207 12.so.0.1.2.7beta1-2 - 1.0.17rc1 10 10017 10.so.0.1.0.17rc1 - 1.2.7rc1 13 10207 12.so.0.1.2.7rc1 - 1.0.17 10 10017 10.so.0.1.0.17 - 1.2.7 13 10207 12.so.0.1.2.7 - 1.2.8beta1-5 13 10208 12.so.0.1.2.8beta1-5 - 1.0.18rc1-5 10 10018 10.so.0.1.0.18rc1-5 - 1.2.8rc1-5 13 10208 12.so.0.1.2.8rc1-5 - 1.0.18 10 10018 10.so.0.1.0.18 - 1.2.8 13 10208 12.so.0.1.2.8 - 1.2.9beta1-3 13 10209 12.so.0.1.2.9beta1-3 - 1.2.9beta4-11 13 10209 12.so.0.9[.0] - 1.2.9rc1 13 10209 12.so.0.9[.0] - 1.2.9 13 10209 12.so.0.9[.0] - 1.2.10beta1-8 13 10210 12.so.0.10[.0] - 1.2.10rc1-3 13 10210 12.so.0.10[.0] - 1.2.10 13 10210 12.so.0.10[.0] - 1.2.11beta1-4 13 10211 12.so.0.11[.0] - 1.0.19rc1-5 10 10019 10.so.0.19[.0] - 1.2.11rc1-5 13 10211 12.so.0.11[.0] - 1.0.19 10 10019 10.so.0.19[.0] - 1.2.11 13 10211 12.so.0.11[.0] - 1.0.20 10 10020 10.so.0.20[.0] - 1.2.12 13 10212 12.so.0.12[.0] - 1.2.13beta1 13 10213 12.so.0.13[.0] - 1.0.21 10 10021 10.so.0.21[.0] - 1.2.13 13 10213 12.so.0.13[.0] - 1.2.14beta1-2 13 10214 12.so.0.14[.0] - 1.0.22rc1 10 10022 10.so.0.22[.0] - 1.2.14rc1 13 10214 12.so.0.14[.0] - 1.2.15beta1-6 13 10215 12.so.0.15[.0] - 1.0.23rc1-5 10 10023 10.so.0.23[.0] - 1.2.15rc1-5 13 10215 12.so.0.15[.0] - 1.0.23 10 10023 10.so.0.23[.0] - 1.2.15 13 10215 12.so.0.15[.0] - 1.2.16beta1-2 13 10216 12.so.0.16[.0] - 1.2.16rc1 13 10216 12.so.0.16[.0] - 1.0.24 10 10024 10.so.0.24[.0] - 1.2.16 13 10216 12.so.0.16[.0] - 1.2.17beta1-2 13 10217 12.so.0.17[.0] - 1.0.25rc1 10 10025 10.so.0.25[.0] - 1.2.17rc1-3 13 10217 12.so.0.17[.0] - 1.0.25 10 10025 10.so.0.25[.0] - 1.2.17 13 10217 12.so.0.17[.0] - 1.0.26 10 10026 10.so.0.26[.0] - 1.2.18 13 10218 12.so.0.18[.0] - 1.2.19beta1-31 13 10219 12.so.0.19[.0] - 1.0.27rc1-6 10 10027 10.so.0.27[.0] - 1.2.19rc1-6 13 10219 12.so.0.19[.0] - 1.0.27 10 10027 10.so.0.27[.0] - 1.2.19 13 10219 12.so.0.19[.0] - 1.2.20beta01-04 13 10220 12.so.0.20[.0] - 1.0.28rc1-6 10 10028 10.so.0.28[.0] - 1.2.20rc1-6 13 10220 12.so.0.20[.0] - 1.0.28 10 10028 10.so.0.28[.0] - 1.2.20 13 10220 12.so.0.20[.0] - 1.2.21beta1-2 13 10221 12.so.0.21[.0] - 1.2.21rc1-3 13 10221 12.so.0.21[.0] - 1.0.29 10 10029 10.so.0.29[.0] - 1.2.21 13 10221 12.so.0.21[.0] - 1.2.22beta1-4 13 10222 12.so.0.22[.0] - 1.0.30rc1 13 10030 10.so.0.30[.0] - 1.2.22rc1 13 10222 12.so.0.22[.0] - 1.0.30 10 10030 10.so.0.30[.0] - 1.2.22 13 10222 12.so.0.22[.0] - 1.2.23beta01-05 13 10223 12.so.0.23[.0] - 1.2.23rc01 13 10223 12.so.0.23[.0] - 1.2.23 13 10223 12.so.0.23[.0] - 1.2.24beta01-02 13 10224 12.so.0.24[.0] - 1.2.24rc01 13 10224 12.so.0.24[.0] - 1.2.24 13 10224 12.so.0.24[.0] - 1.2.25beta01-06 13 10225 12.so.0.25[.0] - 1.2.25rc01-02 13 10225 12.so.0.25[.0] - 1.0.31 10 10031 10.so.0.31[.0] - 1.2.25 13 10225 12.so.0.25[.0] - 1.2.26beta01-06 13 10226 12.so.0.26[.0] - 1.2.26rc01 13 10226 12.so.0.26[.0] - 1.2.26 13 10226 12.so.0.26[.0] - 1.0.32 10 10032 10.so.0.32[.0] - 1.2.27beta01-06 13 10227 12.so.0.27[.0] - 1.2.27rc01 13 10227 12.so.0.27[.0] - 1.0.33 10 10033 10.so.0.33[.0] - 1.2.27 13 10227 12.so.0.27[.0] - 1.0.34 10 10034 10.so.0.34[.0] - 1.2.28 13 10228 12.so.0.28[.0] - 1.2.29beta01-03 13 10229 12.so.0.29[.0] - 1.2.29rc01 13 10229 12.so.0.29[.0] - 1.0.35 10 10035 10.so.0.35[.0] - 1.2.29 13 10229 12.so.0.29[.0] - 1.0.37 10 10037 10.so.0.37[.0] - 1.2.30beta01-04 13 10230 12.so.0.30[.0] - 1.0.38rc01-08 10 10038 10.so.0.38[.0] - 1.2.30rc01-08 13 10230 12.so.0.30[.0] - 1.0.38 10 10038 10.so.0.38[.0] - 1.2.30 13 10230 12.so.0.30[.0] - 1.0.39rc01-03 10 10039 10.so.0.39[.0] - 1.2.31rc01-03 13 10231 12.so.0.31[.0] - 1.0.39 10 10039 10.so.0.39[.0] - 1.2.31 13 10231 12.so.0.31[.0] - 1.2.32beta01-02 13 10232 12.so.0.32[.0] - 1.0.40rc01 10 10040 10.so.0.40[.0] - 1.2.32rc01 13 10232 12.so.0.32[.0] - 1.0.40 10 10040 10.so.0.40[.0] - 1.2.32 13 10232 12.so.0.32[.0] - 1.2.33beta01-02 13 10233 12.so.0.33[.0] - 1.2.33rc01-02 13 10233 12.so.0.33[.0] - 1.0.41rc01 10 10041 10.so.0.41[.0] - 1.2.33 13 10233 12.so.0.33[.0] - 1.0.41 10 10041 10.so.0.41[.0] - 1.2.34beta01-07 13 10234 12.so.0.34[.0] - 1.0.42rc01 10 10042 10.so.0.42[.0] - 1.2.34rc01 13 10234 12.so.0.34[.0] - 1.0.42 10 10042 10.so.0.42[.0] - 1.2.34 13 10234 12.so.0.34[.0] - -Henceforth the source version will match the shared-library minor -and patch numbers; the shared-library major version number will be -used for changes in backward compatibility, as it is intended. The -PNG_PNGLIB_VER macro, which is not used within libpng but is available -for applications, is an unsigned integer of the form xyyzz corresponding -to the source version x.y.z (leading zeros in y and z). Beta versions -were given the previous public release number plus a letter, until -version 1.0.6j; from then on they were given the upcoming public -release number plus "betaNN" or "rcN". - -.SH "SEE ALSO" -.IR libpngpf(3) ", " png(5) -.LP -.IR libpng : -.IP -http://libpng.sourceforge.net (follow the [DOWNLOAD] link) -http://www.libpng.org/pub/png - -.LP -.IR zlib : -.IP -(generally) at the same location as -.I libpng -or at -.br -ftp://ftp.info-zip.org/pub/infozip/zlib - -.LP -.IR PNG specification: RFC 2083 -.IP -(generally) at the same location as -.I libpng -or at -.br -ftp://ftp.rfc-editor.org:/in-notes/rfc2083.txt -.br -or (as a W3C Recommendation) at -.br -http://www.w3.org/TR/REC-png.html - -.LP -In the case of any inconsistency between the PNG specification -and this library, the specification takes precedence. - -.SH AUTHORS -This man page: Glenn Randers-Pehrson - - -The contributing authors would like to thank all those who helped -with testing, bug fixes, and patience. This wouldn't have been -possible without all of you. - -Thanks to Frank J. T. Wojcik for helping with the documentation. - -Libpng version 1.2.34 - December 18, 2008: -Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc. -Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net). - -Supported by the PNG development group -.br -png-mng-implement at lists.sf.net -(subscription required; visit -png-mng-implement at lists.sourceforge.net (subscription required; visit -https://lists.sourceforge.net/lists/listinfo/png-mng-implement -to subscribe). - -.SH COPYRIGHT NOTICE, DISCLAIMER, and LICENSE: - -(This copy of the libpng notices is provided for your convenience. In case of -any discrepancy between this copy and the notices in the file png.h that is -included in the libpng distribution, the latter shall prevail.) - -If you modify libpng you may insert additional notices immediately following -this sentence. - -libpng versions 1.2.6, August 15, 2004, through 1.2.34, December 18, 2008, are -Copyright (c) 2004,2006-2008 Glenn Randers-Pehrson, and are -distributed according to the same disclaimer and license as libpng-1.2.5 -with the following individual added to the list of Contributing Authors - - Cosmin Truta - -libpng versions 1.0.7, July 1, 2000, through 1.2.5 - October 3, 2002, are -Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are -distributed according to the same disclaimer and license as libpng-1.0.6 -with the following individuals added to the list of Contributing Authors - - Simon-Pierre Cadieux - Eric S. Raymond - Gilles Vollant - -and with the following additions to the disclaimer: - - There is no warranty against interference with your - enjoyment of the library or against infringement. - There is no warranty that our efforts or the library - will fulfill any of your particular purposes or needs. - This library is provided with all faults, and the entire - risk of satisfactory quality, performance, accuracy, and - effort is with the user. - -libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are -Copyright (c) 1998, 1999 Glenn Randers-Pehrson -Distributed according to the same disclaimer and license as libpng-0.96, -with the following individuals added to the list of Contributing Authors: - - Tom Lane - Glenn Randers-Pehrson - Willem van Schaik - -libpng versions 0.89, June 1996, through 0.96, May 1997, are -Copyright (c) 1996, 1997 Andreas Dilger -Distributed according to the same disclaimer and license as libpng-0.88, -with the following individuals added to the list of Contributing Authors: - - John Bowler - Kevin Bracey - Sam Bushell - Magnus Holmgren - Greg Roelofs - Tom Tanner - -libpng versions 0.5, May 1995, through 0.88, January 1996, are -Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc. - -For the purposes of this copyright and license, "Contributing Authors" -is defined as the following set of individuals: - - Andreas Dilger - Dave Martindale - Guy Eric Schalnat - Paul Schmidt - Tim Wegner - -The PNG Reference Library is supplied "AS IS". The Contributing Authors -and Group 42, Inc. disclaim all warranties, expressed or implied, -including, without limitation, the warranties of merchantability and of -fitness for any purpose. The Contributing Authors and Group 42, Inc. -assume no liability for direct, indirect, incidental, special, exemplary, -or consequential damages, which may result from the use of the PNG -Reference Library, even if advised of the possibility of such damage. - -Permission is hereby granted to use, copy, modify, and distribute this -source code, or portions hereof, for any purpose, without fee, subject -to the following restrictions: - -1. The origin of this source code must not be misrepresented. - -2. Altered versions must be plainly marked as such and - must not be misrepresented as being the original source. - -3. This Copyright notice may not be removed or altered from - any source or altered source distribution. - -The Contributing Authors and Group 42, Inc. specifically permit, without -fee, and encourage the use of this source code as a component to -supporting the PNG file format in commercial products. If you use this -source code in a product, acknowledgment is not required but would be -appreciated. - - -A "png_get_copyright" function is available, for convenient use in "about" -boxes and the like: - - printf("%s",png_get_copyright(NULL)); - -Also, the PNG logo (in PNG format, of course) is supplied in the -files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31). - -Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a -certification mark of the Open Source Initiative. - -Glenn Randers-Pehrson -glennrp at users.sourceforge.net -December 18, 2008 - -.\" end of man page - diff --git a/Build/source/libs/libpng/libpng-1.2.34/libpngpf.3 b/Build/source/libs/libpng/libpng-1.2.34/libpngpf.3 deleted file mode 100644 index ddbf6243693..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/libpngpf.3 +++ /dev/null @@ -1,790 +0,0 @@ -.TH LIBPNGPF 3 "December 18, 2008" -.SH NAME -libpng \- Portable Network Graphics (PNG) Reference Library 1.2.34 -(private functions) -.SH SYNOPSIS -\fB#include \fP - -\fI\fB - -\fI\fB - -\fBvoid png_build_gamma_table (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_build_grayscale_palette (int \fP\fIbit_depth\fP\fB, png_colorp \fIpalette\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_calculate_crc (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIptr\fP\fB, png_size_t \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_check_chunk_name (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBpng_size_t png_check_keyword (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charpp \fInew_key\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fImask\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_correct_palette (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBint png_crc_error (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBint png_crc_finish (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIskip\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_crc_read (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuf\fP\fB, png_size_t \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBpng_voidp png_create_struct (int \fItype\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBpng_voidp png_create_struct_2 (int \fP\fItype\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_decompress_chunk (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcomp_type\fP\fB, png_charp \fP\fIchunkdata\fP\fB, png_size_t \fP\fIchunklength\fP\fB, png_size_t \fP\fIprefix_length\fP\fB, png_size_t \fI*data_length\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_destroy_struct (png_voidp \fIstruct_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_destroy_struct_2 (png_voidp \fP\fIstruct_ptr\fP\fB, png_free_ptr \fP\fIfree_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_background (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fP\fItrans_values\fP\fB, png_color_16p \fP\fIbackground\fP\fB, png_color_16p \fP\fIbackground_1\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_bytep \fP\fIgamma_from_1\fP\fB, png_bytep \fP\fIgamma_to_1\fP\fB, png_uint_16pp \fP\fIgamma_16\fP\fB, png_uint_16pp \fP\fIgamma_16_from_1\fP\fB, png_uint_16pp \fP\fIgamma_16_to_1\fP\fB, int \fIgamma_shift\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_bgr (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_chop (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_dither (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIpalette_lookup\fP\fB, png_bytep \fIdither_lookup\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_expand (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fItrans_value\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_expand_palette (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fInum_trans\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_gamma (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_uint_16pp \fP\fIgamma_16_table\fP\fB, int \fIgamma_shift\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_gray_to_rgb (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_invert (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_pack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIbit_depth\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_packswap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_read_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, png_uint_32 \fIflags\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_read_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fP\fIpass\fP\fB, png_uint_32 \fItransformations\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_read_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_read_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBint png_do_rgb_to_gray (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_shift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIbit_depth\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_strip_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIflags\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_swap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_unpack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_unshift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIsig_bits\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_write_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fIpass\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_write_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_write_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_do_write_transformations (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid *png_far_to_near (png_structp png_ptr,png_voidp \fP\fIptr\fP\fB, int \fIcheck\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_flush (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_IEND (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_iTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_info_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_init_mmx_flags (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_init_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_process_IDAT_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_process_some_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_check_crc (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_crc_finish (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_crc_skip (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_fill_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_have_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_have_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_have_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_process_row (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_read_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_read_IDAT (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_read_sig (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_read_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_read_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_restore_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_push_save_buffer (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBpng_uint_32 png_read_chunk_header (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_read_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_read_filter_row (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIprev_row\fP\fB, int \fIfilter\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_read_finish_row (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_read_push_finish_row (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_read_start_row (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_read_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_reset_crc (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBint png_set_text_2 (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_cHRM (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_filtered_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIfiltered_row\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_find_filter (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fIrow_info\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_finish_row (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_gAMA (png_structp \fP\fIpng_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIint_file_gamma\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_uint_16p \fP\fIhist\fP\fB, int \fInum_hist\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, int \fIproflen\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_IDAT (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_IEND (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fP\fIfilter_type\fP\fB, int \fIinterlace_type\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_iTXt (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcompression\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fIlang\fP\fB, png_charp \fP\fItranslated_key\fP\fB, png_charp \fItext\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_offset\fP\fB, png_uint_32 \fP\fIy_offset\fP\fB, int \fIunit_type\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_pixels_per_unit\fP\fB, png_uint_32 \fP\fIy_pixels_per_unit\fP\fB, int \fIunit_type\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_uint_32 \fInum_pal\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fP\fIsbit\fP\fB, int \fIcolor_type\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_sCAL_s (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, png_charp \fP\fIwidth\fP\fB, png_charp \fIheight\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_sig (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_sRGB (png_structp \fP\fIpng_ptr\fP\fB, int \fIintent\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_spalette_p \fIpalette\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_start_row (png_structp \fIpng_ptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fItext_len\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, png_color_16p \fP\fIvalues\fP\fB, int \fP\fInumber\fP\fB, int \fIcolor_type\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_write_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fP\fItext_len\fP\fB, int \fIcompression\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP - -\fI\fB - -\fI\fB - -\fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP - -\fI\fB - -\fI\fB - -.SH DESCRIPTION -The functions listed above are used privately by libpng -and are not recommended for use by applications. They are -not "exported" to applications using shared libraries. They -are listed alphabetically here as an aid to libpng maintainers. -See png.h for more information on these functions. - -.SH SEE ALSO -.IR libpng(3) ", " png(5) -.SH AUTHOR -Glenn Randers-Pehrson diff --git a/Build/source/libs/libpng/libpng-1.2.34/ltmain.sh b/Build/source/libs/libpng/libpng-1.2.34/ltmain.sh deleted file mode 100644 index eae434320c6..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/ltmain.sh +++ /dev/null @@ -1,7876 +0,0 @@ -# Generated from ltmain.m4sh. - -# ltmain.sh (GNU libtool 1.2971 2008-04-29) 2.2.3a -# Written by Gordon Matzigkeit , 1996 - -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007 2008 Free Software Foundation, Inc. -# This is free software; see the source for copying conditions. There is NO -# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - -# GNU Libtool is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# As a special exception to the GNU General Public License, -# if you distribute this file as part of a program or library that -# is built using GNU Libtool, you may include this file under the -# same distribution terms that you use for the rest of that program. -# -# GNU Libtool is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GNU Libtool; see the file COPYING. 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then - files="$files $dest" - dest=$arg - continue - fi - - case $arg in - -d) isdir=yes ;; - -f) - case " $install_prog " in - *[\\\ /]cp\ *) ;; - *) prev=$arg ;; - esac - ;; - -g | -m | -o) - prev=$arg - ;; - -s) - stripme=" -s" - continue - ;; - -*) - ;; - *) - # If the previous option needed an argument, then skip it. - if test -n "$prev"; then - prev= - else - dest=$arg - continue - fi - ;; - esac - - # Aesthetically quote the argument. - func_quote_for_eval "$arg" - install_prog="$install_prog $func_quote_for_eval_result" - done - - test -z "$install_prog" && \ - func_fatal_help "you must specify an install program" - - test -n "$prev" && \ - func_fatal_help "the \`$prev' option requires an argument" - - if test -z "$files"; then - if test -z "$dest"; then - func_fatal_help "no file or destination specified" - else - func_fatal_help "you must specify a destination" - fi - fi - - # Strip any trailing slash from the destination. - func_stripname '' '/' "$dest" - dest=$func_stripname_result - - # Check to see that the destination is a directory. - test -d "$dest" && isdir=yes - if test "$isdir" = yes; then - destdir="$dest" - destname= - else - func_dirname_and_basename "$dest" "" "." - destdir="$func_dirname_result" - destname="$func_basename_result" - - # Not a directory, so check to see that there is only one file specified. - set dummy $files; shift - test "$#" -gt 1 && \ - func_fatal_help "\`$dest' is not a directory" - fi - case $destdir in - [\\/]* | [A-Za-z]:[\\/]*) ;; - *) - for file in $files; do - case $file in - *.lo) ;; - *) - func_fatal_help "\`$destdir' must be an absolute directory name" - ;; - esac - done - ;; - esac - - # This variable tells wrapper scripts just to set variables rather - # than running their programs. - libtool_install_magic="$magic" - - staticlibs= - future_libdirs= - current_libdirs= - for file in $files; do - - # Do each installation. - case $file in - *.$libext) - # Do the static libraries later. - staticlibs="$staticlibs $file" - ;; - - *.la) - # Check to see that this really is a libtool archive. - func_lalib_unsafe_p "$file" \ - || func_fatal_help "\`$file' is not a valid libtool archive" - - library_names= - old_library= - relink_command= - func_source "$file" - - # Add the libdir to current_libdirs if it is the destination. - if test "X$destdir" = "X$libdir"; then - case "$current_libdirs " in - *" $libdir "*) ;; - *) current_libdirs="$current_libdirs $libdir" ;; - esac - else - # Note the libdir as a future libdir. - case "$future_libdirs " in - *" $libdir "*) ;; - *) future_libdirs="$future_libdirs $libdir" ;; - esac - fi - - func_dirname "$file" "/" "" - dir="$func_dirname_result" - dir="$dir$objdir" - - if test -n "$relink_command"; then - # Determine the prefix the user has applied to our future dir. - inst_prefix_dir=`$ECHO "X$destdir" | $Xsed -e "s%$libdir\$%%"` - - # Don't allow the user to place us outside of our expected - # location b/c this prevents finding dependent libraries that - # are installed to the same prefix. - # At present, this check doesn't affect windows .dll's that - # are installed into $libdir/../bin (currently, that works fine) - # but it's something to keep an eye on. - test "$inst_prefix_dir" = "$destdir" && \ - func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir" - - if test -n "$inst_prefix_dir"; then - # Stick the inst_prefix_dir data into the link command. - relink_command=`$ECHO "X$relink_command" | $Xsed -e "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` - else - relink_command=`$ECHO "X$relink_command" | $Xsed -e "s%@inst_prefix_dir@%%"` - fi - - func_warning "relinking \`$file'" - func_show_eval "$relink_command" \ - 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' - fi - - # See the names of the shared library. - set dummy $library_names; shift - if test -n "$1"; then - realname="$1" - shift - - srcname="$realname" - test -n "$relink_command" && srcname="$realname"T - - # Install the shared library and build the symlinks. - func_show_eval "$install_prog $dir/$srcname $destdir/$realname" \ - 'exit $?' - tstripme="$stripme" - case $host_os in - cygwin* | mingw* | pw32*) - case $realname in - *.dll.a) - tstripme="" - ;; - esac - ;; - esac - if test -n "$tstripme" && test -n "$striplib"; then - func_show_eval "$striplib $destdir/$realname" 'exit $?' - fi - - if test "$#" -gt 0; then - # Delete the old symlinks, and create new ones. - # Try `ln -sf' first, because the `ln' binary might depend on - # the symlink we replace! Solaris /bin/ln does not understand -f, - # so we also need to try rm && ln -s. - for linkname - do - test "$linkname" != "$realname" \ - && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" - done - fi - - # Do each command in the postinstall commands. - lib="$destdir/$realname" - func_execute_cmds "$postinstall_cmds" 'exit $?' - fi - - # Install the pseudo-library for information purposes. - func_basename "$file" - name="$func_basename_result" - instname="$dir/$name"i - func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' - - # Maybe install the static library, too. - test -n "$old_library" && staticlibs="$staticlibs $dir/$old_library" - ;; - - *.lo) - # Install (i.e. copy) a libtool object. - - # Figure out destination file name, if it wasn't already specified. - if test -n "$destname"; then - destfile="$destdir/$destname" - else - func_basename "$file" - destfile="$func_basename_result" - destfile="$destdir/$destfile" - fi - - # Deduce the name of the destination old-style object file. - case $destfile in - *.lo) - func_lo2o "$destfile" - staticdest=$func_lo2o_result - ;; - *.$objext) - staticdest="$destfile" - destfile= - ;; - *) - func_fatal_help "cannot copy a libtool object to \`$destfile'" - ;; - esac - - # Install the libtool object if requested. - test -n "$destfile" && \ - func_show_eval "$install_prog $file $destfile" 'exit $?' - - # Install the old object if enabled. - if test "$build_old_libs" = yes; then - # Deduce the name of the old-style object file. - func_lo2o "$file" - staticobj=$func_lo2o_result - func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' - fi - exit $EXIT_SUCCESS - ;; - - *) - # Figure out destination file name, if it wasn't already specified. - if test -n "$destname"; then - destfile="$destdir/$destname" - else - func_basename "$file" - destfile="$func_basename_result" - destfile="$destdir/$destfile" - fi - - # If the file is missing, and there is a .exe on the end, strip it - # because it is most likely a libtool script we actually want to - # install - stripped_ext="" - case $file in - *.exe) - if test ! -f "$file"; then - func_stripname '' '.exe' "$file" - file=$func_stripname_result - stripped_ext=".exe" - fi - ;; - esac - - # Do a test to see if this is really a libtool program. - case $host in - *cygwin*|*mingw*) - if func_ltwrapper_executable_p "$file"; then - func_ltwrapper_scriptname "$file" - wrapper=$func_ltwrapper_scriptname_result - else - func_stripname '' '.exe' "$file" - wrapper=$func_stripname_result - fi - ;; - *) - wrapper=$file - ;; - esac - if func_ltwrapper_script_p "$wrapper"; then - notinst_deplibs= - relink_command= - - func_source "$wrapper" - - # Check the variables that should have been set. - test -z "$generated_by_libtool_version" && \ - func_fatal_error "invalid libtool wrapper script \`$wrapper'" - - finalize=yes - for lib in $notinst_deplibs; do - # Check to see that each library is installed. - libdir= - if test -f "$lib"; then - func_source "$lib" - fi - libfile="$libdir/"`$ECHO "X$lib" | $Xsed -e 's%^.*/%%g'` ### testsuite: skip nested quoting test - if test -n "$libdir" && test ! -f "$libfile"; then - func_warning "\`$lib' has not been installed in \`$libdir'" - finalize=no - fi - done - - relink_command= - func_source "$wrapper" - - outputname= - if test "$fast_install" = no && test -n "$relink_command"; then - $opt_dry_run || { - if test "$finalize" = yes; then - tmpdir=`func_mktempdir` - func_basename "$file$stripped_ext" - file="$func_basename_result" - outputname="$tmpdir/$file" - # Replace the output file specification. - relink_command=`$ECHO "X$relink_command" | $Xsed -e 's%@OUTPUT@%'"$outputname"'%g'` - - $opt_silent || { - func_quote_for_expand "$relink_command" - eval "func_echo $func_quote_for_expand_result" - } - if eval "$relink_command"; then : - else - func_error "error: relink \`$file' with the above command before installing it" - $opt_dry_run || ${RM}r "$tmpdir" - continue - fi - file="$outputname" - else - func_warning "cannot relink \`$file'" - fi - } - else - # Install the binary that we compiled earlier. - file=`$ECHO "X$file$stripped_ext" | $Xsed -e "s%\([^/]*\)$%$objdir/\1%"` - fi - fi - - # remove .exe since cygwin /usr/bin/install will append another - # one anyway - case $install_prog,$host in - */usr/bin/install*,*cygwin*) - case $file:$destfile in - *.exe:*.exe) - # this is ok - ;; - *.exe:*) - destfile=$destfile.exe - ;; - *:*.exe) - func_stripname '' '.exe' "$destfile" - destfile=$func_stripname_result - ;; - esac - ;; - esac - func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' - $opt_dry_run || if test -n "$outputname"; then - ${RM}r "$tmpdir" - fi - ;; - esac - done - - for file in $staticlibs; do - func_basename "$file" - name="$func_basename_result" - - # Set up the ranlib parameters. - oldlib="$destdir/$name" - - func_show_eval "$install_prog \$file \$oldlib" 'exit $?' - - if test -n "$stripme" && test -n "$old_striplib"; then - func_show_eval "$old_striplib $oldlib" 'exit $?' - fi - - # Do each command in the postinstall commands. - func_execute_cmds "$old_postinstall_cmds" 'exit $?' - done - - test -n "$future_libdirs" && \ - func_warning "remember to run \`$progname --finish$future_libdirs'" - - if test -n "$current_libdirs"; then - # Maybe just do a dry run. - $opt_dry_run && current_libdirs=" -n$current_libdirs" - exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' - else - exit $EXIT_SUCCESS - fi -} - -test "$mode" = install && func_mode_install ${1+"$@"} - - -# func_generate_dlsyms outputname originator pic_p -# Extract symbols from dlprefiles and create ${outputname}S.o with -# a dlpreopen symbol table. -func_generate_dlsyms () -{ - $opt_debug - my_outputname="$1" - my_originator="$2" - my_pic_p="${3-no}" - my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` - my_dlsyms= - - if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then - if test -n "$NM" && test -n "$global_symbol_pipe"; then - my_dlsyms="${my_outputname}S.c" - else - func_error "not configured to extract global symbols from dlpreopened files" - fi - fi - - if test -n "$my_dlsyms"; then - case $my_dlsyms in - "") ;; - *.c) - # Discover the nlist of each of the dlfiles. - nlist="$output_objdir/${my_outputname}.nm" - - func_show_eval "$RM $nlist ${nlist}S ${nlist}T" - - # Parse the name list into a source file. - func_verbose "creating $output_objdir/$my_dlsyms" - - $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ -/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ -/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ - -#ifdef __cplusplus -extern \"C\" { -#endif - -/* External symbol declarations for the compiler. */\ -" - - if test "$dlself" = yes; then - func_verbose "generating symbol list for \`$output'" - - $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" - - # Add our own program objects to the symbol list. - progfiles=`$ECHO "X$objs$old_deplibs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` - for progfile in $progfiles; do - func_verbose "extracting global C symbols from \`$progfile'" - $opt_dry_run || eval "$NM $progfile | $global_symbol_pipe >> '$nlist'" - done - - if test -n "$exclude_expsyms"; then - $opt_dry_run || { - eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - } - fi - - if test -n "$export_symbols_regex"; then - $opt_dry_run || { - eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - } - fi - - # Prepare the list of exported symbols - if test -z "$export_symbols"; then - export_symbols="$output_objdir/$outputname.exp" - $opt_dry_run || { - $RM $export_symbols - eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' - case $host in - *cygwin* | *mingw* ) - eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' - eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' - ;; - esac - } - else - $opt_dry_run || { - eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' - eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - case $host in - *cygwin | *mingw* ) - eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' - eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' - ;; - esac - } - fi - fi - - for dlprefile in $dlprefiles; do - func_verbose "extracting global C symbols from \`$dlprefile'" - func_basename "$dlprefile" - name="$func_basename_result" - $opt_dry_run || { - eval '$ECHO ": $name " >> "$nlist"' - eval "$NM $dlprefile 2>/dev/null | $global_symbol_pipe >> '$nlist'" - } - done - - $opt_dry_run || { - # Make sure we have at least an empty file. - test -f "$nlist" || : > "$nlist" - - if test -n "$exclude_expsyms"; then - $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T - $MV "$nlist"T "$nlist" - fi - - # Try sorting and uniquifying the output. - if $GREP -v "^: " < "$nlist" | - if sort -k 3 /dev/null 2>&1; then - sort -k 3 - else - sort +2 - fi | - uniq > "$nlist"S; then - : - else - $GREP -v "^: " < "$nlist" > "$nlist"S - fi - - if test -f "$nlist"S; then - eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' - else - $ECHO '/* NONE */' >> "$output_objdir/$my_dlsyms" - fi - - $ECHO >> "$output_objdir/$my_dlsyms" "\ - -/* The mapping between symbol names and symbols. */ -typedef struct { - const char *name; - void *address; -} lt_dlsymlist; -" - case $host in - *cygwin* | *mingw* ) - $ECHO >> "$output_objdir/$my_dlsyms" "\ -/* DATA imports from DLLs on WIN32 con't be const, because - runtime relocations are performed -- see ld's documentation - on pseudo-relocs. */" - lt_dlsym_const= ;; - *osf5*) - echo >> "$output_objdir/$my_dlsyms" "\ -/* This system does not cope well with relocations in const data */" - lt_dlsym_const= ;; - *) - lt_dlsym_const=const ;; - esac - - $ECHO >> "$output_objdir/$my_dlsyms" "\ -extern $lt_dlsym_const lt_dlsymlist -lt_${my_prefix}_LTX_preloaded_symbols[]; -$lt_dlsym_const lt_dlsymlist -lt_${my_prefix}_LTX_preloaded_symbols[] = -{\ - { \"$my_originator\", (void *) 0 }," - - case $need_lib_prefix in - no) - eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" - ;; - *) - eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" - ;; - esac - $ECHO >> "$output_objdir/$my_dlsyms" "\ - {0, (void *) 0} -}; - -/* This works around a problem in FreeBSD linker */ -#ifdef FREEBSD_WORKAROUND -static const void *lt_preloaded_setup() { - return lt_${my_prefix}_LTX_preloaded_symbols; -} -#endif - -#ifdef __cplusplus -} -#endif\ -" - } # !$opt_dry_run - - pic_flag_for_symtable= - case "$compile_command " in - *" -static "*) ;; - *) - case $host in - # compiling the symbol table file with pic_flag works around - # a FreeBSD bug that causes programs to crash when -lm is - # linked before any other PIC object. But we must not use - # pic_flag when linking with -static. The problem exists in - # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. - *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) - pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; - *-*-hpux*) - pic_flag_for_symtable=" $pic_flag" ;; - *) - if test "X$my_pic_p" != Xno; then - pic_flag_for_symtable=" $pic_flag" - fi - ;; - esac - ;; - esac - symtab_cflags= - for arg in $LTCFLAGS; do - case $arg in - -pie | -fpie | -fPIE) ;; - *) symtab_cflags="$symtab_cflags $arg" ;; - esac - done - - # Now compile the dynamic symbol file. - func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' - - # Clean up the generated files. - func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' - - # Transform the symbol file into the correct name. - symfileobj="$output_objdir/${my_outputname}S.$objext" - case $host in - *cygwin* | *mingw* ) - if test -f "$output_objdir/$my_outputname.def"; then - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` - else - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - fi - ;; - *) - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - ;; - esac - ;; - *) - func_fatal_error "unknown suffix for \`$my_dlsyms'" - ;; - esac - else - # We keep going just in case the user didn't refer to - # lt_preloaded_symbols. The linker will fail if global_symbol_pipe - # really was required. - - # Nullify the symbol file. - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s% @SYMFILE@%%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s% @SYMFILE@%%"` - fi -} - -# func_win32_libid arg -# return the library type of file 'arg' -# -# Need a lot of goo to handle *both* DLLs and import libs -# Has to be a shell function in order to 'eat' the argument -# that is supplied when $file_magic_command is called. -func_win32_libid () -{ - $opt_debug - win32_libid_type="unknown" - win32_fileres=`file -L $1 2>/dev/null` - case $win32_fileres in - *ar\ archive\ import\ library*) # definitely import - win32_libid_type="x86 archive import" - ;; - *ar\ archive*) # could be an import, or static - if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | - $EGREP 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then - win32_nmres=`eval $NM -f posix -A $1 | - $SED -n -e ' - 1,100{ - / I /{ - s,.*,import, - p - q - } - }'` - case $win32_nmres in - import*) win32_libid_type="x86 archive import";; - *) win32_libid_type="x86 archive static";; - esac - fi - ;; - *DLL*) - win32_libid_type="x86 DLL" - ;; - *executable*) # but shell scripts are "executable" too... - case $win32_fileres in - *MS\ Windows\ PE\ Intel*) - win32_libid_type="x86 DLL" - ;; - esac - ;; - esac - $ECHO "$win32_libid_type" -} - - - -# func_extract_an_archive dir oldlib -func_extract_an_archive () -{ - $opt_debug - f_ex_an_ar_dir="$1"; shift - f_ex_an_ar_oldlib="$1" - func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" 'exit $?' - if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then - : - else - func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" - fi -} - - -# func_extract_archives gentop oldlib ... -func_extract_archives () -{ - $opt_debug - my_gentop="$1"; shift - my_oldlibs=${1+"$@"} - my_oldobjs="" - my_xlib="" - my_xabs="" - my_xdir="" - - for my_xlib in $my_oldlibs; do - # Extract the objects. - case $my_xlib in - [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; - *) my_xabs=`pwd`"/$my_xlib" ;; - esac - func_basename "$my_xlib" - my_xlib="$func_basename_result" - my_xlib_u=$my_xlib - while :; do - case " $extracted_archives " in - *" $my_xlib_u "*) - func_arith $extracted_serial + 1 - extracted_serial=$func_arith_result - my_xlib_u=lt$extracted_serial-$my_xlib ;; - *) break ;; - esac - done - extracted_archives="$extracted_archives $my_xlib_u" - my_xdir="$my_gentop/$my_xlib_u" - - func_mkdir_p "$my_xdir" - - case $host in - *-darwin*) - func_verbose "Extracting $my_xabs" - # Do not bother doing anything if just a dry run - $opt_dry_run || { - darwin_orig_dir=`pwd` - cd $my_xdir || exit $? - darwin_archive=$my_xabs - darwin_curdir=`pwd` - darwin_base_archive=`basename "$darwin_archive"` - darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` - if test -n "$darwin_arches"; then - darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` - darwin_arch= - func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" - for darwin_arch in $darwin_arches ; do - func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" - $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" - cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" - func_extract_an_archive "`pwd`" "${darwin_base_archive}" - cd "$darwin_curdir" - $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" - done # $darwin_arches - ## Okay now we've a bunch of thin objects, gotta fatten them up :) - darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` - darwin_file= - darwin_files= - for darwin_file in $darwin_filelist; do - darwin_files=`find unfat-$$ -name $darwin_file -print | $NL2SP` - $LIPO -create -output "$darwin_file" $darwin_files - done # $darwin_filelist - $RM -rf unfat-$$ - cd "$darwin_orig_dir" - else - cd $darwin_orig_dir - func_extract_an_archive "$my_xdir" "$my_xabs" - fi # $darwin_arches - } # !$opt_dry_run - ;; - *) - func_extract_an_archive "$my_xdir" "$my_xabs" - ;; - esac - my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | $NL2SP` - done - - func_extract_archives_result="$my_oldobjs" -} - - - -# func_emit_wrapper arg -# -# emit a libtool wrapper script on stdout -# don't directly open a file because we may want to -# incorporate the script contents within a cygwin/mingw -# wrapper executable. Must ONLY be called from within -# func_mode_link because it depends on a number of variable -# set therein. -# -# arg is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR -# variable will take. If 'yes', then the emitted script -# will assume that the directory in which it is stored is -# the '.lib' directory. This is a cygwin/mingw-specific -# behavior. -func_emit_wrapper () -{ - func_emit_wrapper_arg1=no - if test -n "$1" ; then - func_emit_wrapper_arg1=$1 - fi - - $ECHO "\ -#! $SHELL - -# $output - temporary wrapper script for $objdir/$outputname -# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION -# -# The $output program cannot be directly executed until all the libtool -# libraries that it depends on are installed. -# -# This wrapper script should never be moved out of the build directory. -# If it is, it will not operate correctly. - -# Sed substitution that helps us do robust quoting. It backslashifies -# metacharacters that are still active within double-quoted strings. -Xsed='${SED} -e 1s/^X//' -sed_quote_subst='$sed_quote_subst' - -# Be Bourne compatible -if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then - emulate sh - NULLCMD=: - # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which - # is contrary to our usage. Disable this feature. - alias -g '\${1+\"\$@\"}'='\"\$@\"' - setopt NO_GLOB_SUBST -else - case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac -fi -BIN_SH=xpg4; export BIN_SH # for Tru64 -DUALCASE=1; export DUALCASE # for MKS sh - -# The HP-UX ksh and POSIX shell print the target directory to stdout -# if CDPATH is set. -(unset CDPATH) >/dev/null 2>&1 && unset CDPATH - -relink_command=\"$relink_command\" - -# This environment variable determines our operation mode. -if test \"\$libtool_install_magic\" = \"$magic\"; then - # install mode needs the following variables: - generated_by_libtool_version='$macro_version' - notinst_deplibs='$notinst_deplibs' -else - # When we are sourced in execute mode, \$file and \$ECHO are already set. - if test \"\$libtool_execute_magic\" != \"$magic\"; then - ECHO=\"$qecho\" - file=\"\$0\" - # Make sure echo works. - if test \"X\$1\" = X--no-reexec; then - # Discard the --no-reexec flag, and continue. - shift - elif test \"X\`{ \$ECHO '\t'; } 2>/dev/null\`\" = 'X\t'; then - # Yippee, \$ECHO works! - : - else - # Restart under the correct shell, and then maybe \$ECHO will work. - exec $SHELL \"\$0\" --no-reexec \${1+\"\$@\"} - fi - fi\ -" - $ECHO "\ - - # Find the directory that this script lives in. - thisdir=\`\$ECHO \"X\$file\" | \$Xsed -e 's%/[^/]*$%%'\` - test \"x\$thisdir\" = \"x\$file\" && thisdir=. - - # Follow symbolic links until we get to the real thisdir. - file=\`ls -ld \"\$file\" | ${SED} -n 's/.*-> //p'\` - while test -n \"\$file\"; do - destdir=\`\$ECHO \"X\$file\" | \$Xsed -e 's%/[^/]*\$%%'\` - - # If there was a directory component, then change thisdir. - if test \"x\$destdir\" != \"x\$file\"; then - case \"\$destdir\" in - [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; - *) thisdir=\"\$thisdir/\$destdir\" ;; - esac - fi - - file=\`\$ECHO \"X\$file\" | \$Xsed -e 's%^.*/%%'\` - file=\`ls -ld \"\$thisdir/\$file\" | ${SED} -n 's/.*-> //p'\` - done - - # Usually 'no', except on cygwin/mingw when embedded into - # the cwrapper. - WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 - if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then - # special case for '.' - if test \"\$thisdir\" = \".\"; then - thisdir=\`pwd\` - fi - # remove .libs from thisdir - case \"\$thisdir\" in - *[\\\\/]$objdir ) thisdir=\`\$ECHO \"X\$thisdir\" | \$Xsed -e 's%[\\\\/][^\\\\/]*$%%'\` ;; - $objdir ) thisdir=. ;; - esac - fi - - # Try to get the absolute directory name. - absdir=\`cd \"\$thisdir\" && pwd\` - test -n \"\$absdir\" && thisdir=\"\$absdir\" -" - - if test "$fast_install" = yes; then - $ECHO "\ - program=lt-'$outputname'$exeext - progdir=\"\$thisdir/$objdir\" - - if test ! -f \"\$progdir/\$program\" || - { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ - test \"X\$file\" != \"X\$progdir/\$program\"; }; then - - file=\"\$\$-\$program\" - - if test ! -d \"\$progdir\"; then - $MKDIR \"\$progdir\" - else - $RM \"\$progdir/\$file\" - fi" - - $ECHO "\ - - # relink executable if necessary - if test -n \"\$relink_command\"; then - if relink_command_output=\`eval \$relink_command 2>&1\`; then : - else - $ECHO \"\$relink_command_output\" >&2 - $RM \"\$progdir/\$file\" - exit 1 - fi - fi - - $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || - { $RM \"\$progdir/\$program\"; - $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } - $RM \"\$progdir/\$file\" - fi" - else - $ECHO "\ - program='$outputname' - progdir=\"\$thisdir/$objdir\" -" - fi - - $ECHO "\ - - if test -f \"\$progdir/\$program\"; then" - - # Export our shlibpath_var if we have one. - if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then - $ECHO "\ - # Add our own library path to $shlibpath_var - $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" - - # Some systems cannot cope with colon-terminated $shlibpath_var - # The second colon is a workaround for a bug in BeOS R4 sed - $shlibpath_var=\`\$ECHO \"X\$$shlibpath_var\" | \$Xsed -e 's/::*\$//'\` - - export $shlibpath_var -" - fi - - # fixup the dll searchpath if we need to. - if test -n "$dllsearchpath"; then - $ECHO "\ - # Add the dll search path components to the executable PATH - PATH=$dllsearchpath:\$PATH -" - fi - - $ECHO "\ - if test \"\$libtool_execute_magic\" != \"$magic\"; then - # Run the actual program with our arguments. -" - case $host in - # Backslashes separate directories on plain windows - *-*-mingw | *-*-os2*) - $ECHO "\ - exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} -" - ;; - - *) - $ECHO "\ - exec \"\$progdir/\$program\" \${1+\"\$@\"} -" - ;; - esac - $ECHO "\ - \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 - exit 1 - fi - else - # The program doesn't exist. - \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 - \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 - $ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 - exit 1 - fi -fi\ -" -} -# end: func_emit_wrapper - -# func_emit_cwrapperexe_src -# emit the source code for a wrapper executable on stdout -# Must ONLY be called from within func_mode_link because -# it depends on a number of variable set therein. -func_emit_cwrapperexe_src () -{ - cat < -#include -#ifdef _MSC_VER -# include -# include -# include -# define setmode _setmode -#else -# include -# include -# ifdef __CYGWIN__ -# include -# endif -#endif -#include -#include -#include -#include -#include -#include -#include -#include - -#if defined(PATH_MAX) -# define LT_PATHMAX PATH_MAX -#elif defined(MAXPATHLEN) -# define LT_PATHMAX MAXPATHLEN -#else -# define LT_PATHMAX 1024 -#endif - -#ifndef S_IXOTH -# define S_IXOTH 0 -#endif -#ifndef S_IXGRP -# define S_IXGRP 0 -#endif - -#ifdef _MSC_VER -# define S_IXUSR _S_IEXEC -# define stat _stat -# ifndef _INTPTR_T_DEFINED -# define intptr_t int -# endif -#endif - -#ifndef DIR_SEPARATOR -# define DIR_SEPARATOR '/' -# define PATH_SEPARATOR ':' -#endif - -#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ - defined (__OS2__) -# define HAVE_DOS_BASED_FILE_SYSTEM -# define FOPEN_WB "wb" -# ifndef DIR_SEPARATOR_2 -# define DIR_SEPARATOR_2 '\\' -# endif -# ifndef PATH_SEPARATOR_2 -# define PATH_SEPARATOR_2 ';' -# endif -#endif - -#ifndef DIR_SEPARATOR_2 -# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) -#else /* DIR_SEPARATOR_2 */ -# define IS_DIR_SEPARATOR(ch) \ - (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) -#endif /* DIR_SEPARATOR_2 */ - -#ifndef PATH_SEPARATOR_2 -# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) -#else /* PATH_SEPARATOR_2 */ -# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) -#endif /* PATH_SEPARATOR_2 */ - -#ifdef __CYGWIN__ -# define FOPEN_WB "wb" -#endif - -#ifndef FOPEN_WB -# define FOPEN_WB "w" -#endif -#ifndef _O_BINARY -# define _O_BINARY 0 -#endif - -#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) -#define XFREE(stale) do { \ - if (stale) { free ((void *) stale); stale = 0; } \ -} while (0) - -#undef LTWRAPPER_DEBUGPRINTF -#if defined DEBUGWRAPPER -# define LTWRAPPER_DEBUGPRINTF(args) ltwrapper_debugprintf args -static void -ltwrapper_debugprintf (const char *fmt, ...) -{ - va_list args; - va_start (args, fmt); - (void) vfprintf (stderr, fmt, args); - va_end (args); -} -#else -# define LTWRAPPER_DEBUGPRINTF(args) -#endif - -const char *program_name = NULL; - -void *xmalloc (size_t num); -char *xstrdup (const char *string); -const char *base_name (const char *name); -char *find_executable (const char *wrapper); -char *chase_symlinks (const char *pathspec); -int make_executable (const char *path); -int check_executable (const char *path); -char *strendzap (char *str, const char *pat); -void lt_fatal (const char *message, ...); - -static const char *script_text = -EOF - - func_emit_wrapper yes | - $SED -e 's/\([\\"]\)/\\\1/g' \ - -e 's/^/ "/' -e 's/$/\\n"/' - echo ";" - - cat </dev/null || echo $SHELL` - case $lt_newargv0 in - *.exe | *.EXE) ;; - *) lt_newargv0=$lt_newargv0.exe ;; - esac - ;; - * ) lt_newargv0=$SHELL ;; - esac - fi - - cat <= 0) - && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) - return 1; - else - return 0; -} - -int -make_executable (const char *path) -{ - int rval = 0; - struct stat st; - - LTWRAPPER_DEBUGPRINTF (("(make_executable) : %s\n", - path ? (*path ? path : "EMPTY!") : "NULL!")); - if ((!path) || (!*path)) - return 0; - - if (stat (path, &st) >= 0) - { - rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); - } - return rval; -} - -/* Searches for the full path of the wrapper. Returns - newly allocated full path name if found, NULL otherwise - Does not chase symlinks, even on platforms that support them. -*/ -char * -find_executable (const char *wrapper) -{ - int has_slash = 0; - const char *p; - const char *p_next; - /* static buffer for getcwd */ - char tmp[LT_PATHMAX + 1]; - int tmp_len; - char *concat_name; - - LTWRAPPER_DEBUGPRINTF (("(find_executable) : %s\n", - wrapper ? (*wrapper ? wrapper : "EMPTY!") : "NULL!")); - - if ((wrapper == NULL) || (*wrapper == '\0')) - return NULL; - - /* Absolute path? */ -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') - { - concat_name = xstrdup (wrapper); - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } - else - { -#endif - if (IS_DIR_SEPARATOR (wrapper[0])) - { - concat_name = xstrdup (wrapper); - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - } -#endif - - for (p = wrapper; *p; p++) - if (*p == '/') - { - has_slash = 1; - break; - } - if (!has_slash) - { - /* no slashes; search PATH */ - const char *path = getenv ("PATH"); - if (path != NULL) - { - for (p = path; *p; p = p_next) - { - const char *q; - size_t p_len; - for (q = p; *q; q++) - if (IS_PATH_SEPARATOR (*q)) - break; - p_len = q - p; - p_next = (*q == '\0' ? q : q + 1); - if (p_len == 0) - { - /* empty path: current directory */ - if (getcwd (tmp, LT_PATHMAX) == NULL) - lt_fatal ("getcwd failed"); - tmp_len = strlen (tmp); - concat_name = - XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, tmp, tmp_len); - concat_name[tmp_len] = '/'; - strcpy (concat_name + tmp_len + 1, wrapper); - } - else - { - concat_name = - XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, p, p_len); - concat_name[p_len] = '/'; - strcpy (concat_name + p_len + 1, wrapper); - } - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } - } - /* not found in PATH; assume curdir */ - } - /* Relative path | not found in path: prepend cwd */ - if (getcwd (tmp, LT_PATHMAX) == NULL) - lt_fatal ("getcwd failed"); - tmp_len = strlen (tmp); - concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, tmp, tmp_len); - concat_name[tmp_len] = '/'; - strcpy (concat_name + tmp_len + 1, wrapper); - - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - return NULL; -} - -char * -chase_symlinks (const char *pathspec) -{ -#ifndef S_ISLNK - return xstrdup (pathspec); -#else - char buf[LT_PATHMAX]; - struct stat s; - char *tmp_pathspec = xstrdup (pathspec); - char *p; - int has_symlinks = 0; - while (strlen (tmp_pathspec) && !has_symlinks) - { - LTWRAPPER_DEBUGPRINTF (("checking path component for symlinks: %s\n", - tmp_pathspec)); - if (lstat (tmp_pathspec, &s) == 0) - { - if (S_ISLNK (s.st_mode) != 0) - { - has_symlinks = 1; - break; - } - - /* search backwards for last DIR_SEPARATOR */ - p = tmp_pathspec + strlen (tmp_pathspec) - 1; - while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) - p--; - if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) - { - /* no more DIR_SEPARATORS left */ - break; - } - *p = '\0'; - } - else - { - char *errstr = strerror (errno); - lt_fatal ("Error accessing file %s (%s)", tmp_pathspec, errstr); - } - } - XFREE (tmp_pathspec); - - if (!has_symlinks) - { - return xstrdup (pathspec); - } - - tmp_pathspec = realpath (pathspec, buf); - if (tmp_pathspec == 0) - { - lt_fatal ("Could not follow symlinks for %s", pathspec); - } - return xstrdup (tmp_pathspec); -#endif -} - -char * -strendzap (char *str, const char *pat) -{ - size_t len, patlen; - - assert (str != NULL); - assert (pat != NULL); - - len = strlen (str); - patlen = strlen (pat); - - if (patlen <= len) - { - str += len - patlen; - if (strcmp (str, pat) == 0) - *str = '\0'; - } - return str; -} - -static void -lt_error_core (int exit_status, const char *mode, - const char *message, va_list ap) -{ - fprintf (stderr, "%s: %s: ", program_name, mode); - vfprintf (stderr, message, ap); - fprintf (stderr, ".\n"); - - if (exit_status >= 0) - exit (exit_status); -} - -void -lt_fatal (const char *message, ...) -{ - va_list ap; - va_start (ap, message); - lt_error_core (EXIT_FAILURE, "FATAL", message, ap); - va_end (ap); -} -EOF -} -# end: func_emit_cwrapperexe_src - -# func_mode_link arg... -func_mode_link () -{ - $opt_debug - case $host in - *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*) - # It is impossible to link a dll without this setting, and - # we shouldn't force the makefile maintainer to figure out - # which system we are compiling for in order to pass an extra - # flag for every libtool invocation. - # allow_undefined=no - - # FIXME: Unfortunately, there are problems with the above when trying - # to make a dll which has undefined symbols, in which case not - # even a static library is built. 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then - # Preload the old-style object. - dlprefiles="$dlprefiles $pic_object" - prev= - fi - - # A PIC object. - func_append libobjs " $pic_object" - arg="$pic_object" - fi - - # Non-PIC object. - if test "$non_pic_object" != none; then - # Prepend the subdirectory the object is found in. - non_pic_object="$xdir$non_pic_object" - - # A standard non-PIC object - func_append non_pic_objects " $non_pic_object" - if test -z "$pic_object" || test "$pic_object" = none ; then - arg="$non_pic_object" - fi - else - # If the PIC object exists, use it instead. - # $xdir was prepended to $pic_object above. - non_pic_object="$pic_object" - func_append non_pic_objects " $non_pic_object" - fi - else - # Only an error if not doing a dry-run. - if $opt_dry_run; then - # Extract subdirectory from the argument. - func_dirname "$arg" "/" "" - xdir="$func_dirname_result" - - func_lo2o "$arg" - pic_object=$xdir$objdir/$func_lo2o_result - non_pic_object=$xdir$func_lo2o_result - func_append libobjs " $pic_object" - func_append non_pic_objects " $non_pic_object" - else - func_fatal_error "\`$arg' is not a valid libtool object" - fi - fi - ;; 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then - eval arg=\"$export_dynamic_flag_spec\" - func_append compile_command " $arg" - func_append finalize_command " $arg" - fi - - oldlibs= - # calculate the name of the file, without its directory - func_basename "$output" - outputname="$func_basename_result" - libobjs_save="$libobjs" - - if test -n "$shlibpath_var"; then - # get the directories listed in $shlibpath_var - eval shlib_search_path=\`\$ECHO \"X\${$shlibpath_var}\" \| \$Xsed -e \'s/:/ /g\'\` - else - shlib_search_path= - fi - eval sys_lib_search_path=\"$sys_lib_search_path_spec\" - eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" - - func_dirname "$output" "/" "" - output_objdir="$func_dirname_result$objdir" - # Create the object directory. - func_mkdir_p "$output_objdir" - - # Determine the type of output - case $output in - "") - func_fatal_help "you must specify an output file" - ;; - *.$libext) linkmode=oldlib ;; - *.lo | *.$objext) linkmode=obj ;; - *.la) linkmode=lib ;; - *) linkmode=prog ;; # Anything else should be a program. - esac - - specialdeplibs= - - libs= - # Find all interdependent deplibs by searching for libraries - # that are linked more than once (e.g. -la -lb -la) - for deplib in $deplibs; do - if $opt_duplicate_deps ; then - case "$libs " in - *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;; - esac - fi - libs="$libs $deplib" - done - - if test "$linkmode" = lib; then - libs="$predeps $libs $compiler_lib_search_path $postdeps" - - # Compute libraries that are listed more than once in $predeps - # $postdeps and mark them as special (i.e., whose duplicates are - # not to be eliminated). - pre_post_deps= - if $opt_duplicate_compiler_generated_deps; then - for pre_post_dep in $predeps $postdeps; do - case "$pre_post_deps " in - *" $pre_post_dep "*) specialdeplibs="$specialdeplibs $pre_post_deps" ;; - esac - pre_post_deps="$pre_post_deps $pre_post_dep" - done - fi - pre_post_deps= - fi - - deplibs= - newdependency_libs= - newlib_search_path= - need_relink=no # whether we're linking any uninstalled libtool libraries - notinst_deplibs= # not-installed libtool libraries - notinst_path= # paths that contain not-installed libtool libraries - - case $linkmode in - lib) - passes="conv dlpreopen link" - for file in $dlfiles $dlprefiles; do - case $file in - *.la) ;; - *) - func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file" - ;; - esac - done - ;; - prog) - compile_deplibs= - finalize_deplibs= - alldeplibs=no - newdlfiles= - newdlprefiles= - passes="conv scan dlopen dlpreopen link" - ;; - *) passes="conv" - ;; - esac - - for pass in $passes; do - # The preopen pass in lib mode reverses $deplibs; put it back here - # so that -L comes before libs that need it for instance... - if test "$linkmode,$pass" = "lib,link"; then - ## FIXME: Find the place where the list is rebuilt in the wrong - ## order, and fix it there properly - tmp_deplibs= - for deplib in $deplibs; do - tmp_deplibs="$deplib $tmp_deplibs" - done - deplibs="$tmp_deplibs" - fi - - if test "$linkmode,$pass" = "lib,link" || - test "$linkmode,$pass" = "prog,scan"; then - libs="$deplibs" - deplibs= - fi - if test "$linkmode" = prog; then - case $pass in - dlopen) libs="$dlfiles" ;; - dlpreopen) libs="$dlprefiles" ;; - link) libs="$deplibs %DEPLIBS% $dependency_libs" ;; - esac - fi - if test "$linkmode,$pass" = "lib,dlpreopen"; then - # Collect and forward deplibs of preopened libtool libs - for lib in $dlprefiles; do - # Ignore non-libtool-libs - dependency_libs= - case $lib in - *.la) func_source "$lib" ;; - esac - - # Collect preopened libtool deplibs, except any this library - # has declared as weak libs - for deplib in $dependency_libs; do - deplib_base=`$ECHO "X$deplib" | $Xsed -e "$basename"` - case " $weak_libs " in - *" $deplib_base "*) ;; - *) deplibs="$deplibs $deplib" ;; - esac - done - done - libs="$dlprefiles" - fi - if test "$pass" = dlopen; then - # Collect dlpreopened libraries - save_deplibs="$deplibs" - deplibs= - fi - - for deplib in $libs; do - lib= - found=no - case $deplib in - -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads) - if test "$linkmode,$pass" = "prog,link"; then - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - else - compiler_flags="$compiler_flags $deplib" - if test "$linkmode" = lib ; then - case "$new_inherited_linker_flags " in - *" $deplib "*) ;; - * ) new_inherited_linker_flags="$new_inherited_linker_flags $deplib" ;; - esac - fi - fi - continue - ;; - -l*) - if test "$linkmode" != lib && test "$linkmode" != prog; then - func_warning "\`-l' is ignored for archives/objects" - continue - fi - func_stripname '-l' '' "$deplib" - name=$func_stripname_result - if test "$linkmode" = lib; then - searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" - else - searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" - fi - for searchdir in $searchdirs; do - for search_ext in .la $std_shrext .so .a; do - # Search the libtool library - lib="$searchdir/lib${name}${search_ext}" - if test -f "$lib"; then - if test "$search_ext" = ".la"; then - found=yes - else - found=no - fi - break 2 - fi - done - done - if test "$found" != yes; then - # deplib doesn't seem to be a libtool library - if test "$linkmode,$pass" = "prog,link"; then - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - else - deplibs="$deplib $deplibs" - test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" - fi - continue - else # deplib is a libtool library - # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, - # We need to do some special things here, and not later. - if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then - case " $predeps $postdeps " in - *" $deplib "*) - if func_lalib_p "$lib"; then - library_names= - old_library= - func_source "$lib" - for l in $old_library $library_names; do - ll="$l" - done - if test "X$ll" = "X$old_library" ; then # only static version available - found=no - func_dirname "$lib" "" "." - ladir="$func_dirname_result" - lib=$ladir/$old_library - if test "$linkmode,$pass" = "prog,link"; then - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - else - deplibs="$deplib $deplibs" - test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" - fi - continue - fi - fi - ;; - *) ;; - esac - fi - fi - ;; # -l - *.ltframework) - if test "$linkmode,$pass" = "prog,link"; then - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - else - deplibs="$deplib $deplibs" - if test "$linkmode" = lib ; then - case "$new_inherited_linker_flags " in - *" $deplib "*) ;; - * ) new_inherited_linker_flags="$new_inherited_linker_flags $deplib" ;; - esac - fi - fi - continue - ;; - -L*) - case $linkmode in - lib) - deplibs="$deplib $deplibs" - test "$pass" = conv && continue - newdependency_libs="$deplib $newdependency_libs" - func_stripname '-L' '' "$deplib" - newlib_search_path="$newlib_search_path $func_stripname_result" - ;; - prog) - if test "$pass" = conv; then - deplibs="$deplib $deplibs" - continue - fi - if test "$pass" = scan; then - deplibs="$deplib $deplibs" - else - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - fi - func_stripname '-L' '' "$deplib" - newlib_search_path="$newlib_search_path $func_stripname_result" - ;; 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- *) finalize_rpath="$finalize_rpath $libdir" - esac - ;; - esac - fi - - if test -n "$old_archive_from_expsyms_cmds"; then - # figure out the soname - set dummy $library_names - shift - realname="$1" - shift - libname=`eval "\\$ECHO \"$libname_spec\""` - # use dlname if we got it. it's perfectly good, no? - if test -n "$dlname"; then - soname="$dlname" - elif test -n "$soname_spec"; then - # bleh windows - case $host in - *cygwin* | mingw*) - func_arith $current - $age - major=$func_arith_result - versuffix="-$major" - ;; - esac - eval soname=\"$soname_spec\" - else - soname="$realname" - fi - - # Make a new name for the extract_expsyms_cmds to use - soroot="$soname" - func_basename "$soroot" - soname="$func_basename_result" - func_stripname 'lib' '.dll' "$soname" - newlib=libimp-$func_stripname_result.a - - # If the library has no export list, then create one now - if test -f "$output_objdir/$soname-def"; then : - else - func_verbose "extracting exported symbol list from \`$soname'" - func_execute_cmds "$extract_expsyms_cmds" 'exit $?' - fi - - # Create $newlib - if test -f "$output_objdir/$newlib"; then :; else - func_verbose "generating import library for \`$soname'" - func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' - fi - # make sure the library variables are pointing to the new library - dir=$output_objdir - linklib=$newlib - fi # test -n "$old_archive_from_expsyms_cmds" - - if test "$linkmode" = prog || test "$mode" != relink; then - add_shlibpath= - add_dir= - add= - lib_linked=yes - case $hardcode_action in - immediate | unsupported) - if test "$hardcode_direct" = no; then - add="$dir/$linklib" - case $host in - *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; - *-*-sysv4*uw2*) add_dir="-L$dir" ;; - *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ - *-*-unixware7*) add_dir="-L$dir" ;; - *-*-darwin* ) - # if the lib is a (non-dlopened) module then we can not - # link against it, someone is ignoring the earlier warnings - if /usr/bin/file -L $add 2> /dev/null | - $GREP ": [^:]* bundle" >/dev/null ; then - if test "X$dlopenmodule" != "X$lib"; then - $ECHO "*** Warning: lib $linklib is a module, not a shared library" - if test -z "$old_library" ; then - $ECHO - $ECHO "*** And there doesn't seem to be a static archive available" - $ECHO "*** The link will probably fail, sorry" - else - add="$dir/$old_library" - fi - elif test -n "$old_library"; then - add="$dir/$old_library" - fi - fi - esac - elif test "$hardcode_minus_L" = no; then - case $host in - *-*-sunos*) add_shlibpath="$dir" ;; - esac - add_dir="-L$dir" - add="-l$name" - elif test "$hardcode_shlibpath_var" = no; then - add_shlibpath="$dir" - add="-l$name" - else - lib_linked=no - fi - ;; - relink) - if test "$hardcode_direct" = yes && - test "$hardcode_direct_absolute" = no; then - add="$dir/$linklib" - elif test "$hardcode_minus_L" = yes; then - add_dir="-L$dir" - # Try looking first in the location we're being installed to. - if test -n "$inst_prefix_dir"; then - case $libdir in - [\\/]*) - add_dir="$add_dir -L$inst_prefix_dir$libdir" - ;; - esac - fi - add="-l$name" - elif test "$hardcode_shlibpath_var" = yes; then - add_shlibpath="$dir" - add="-l$name" - else - lib_linked=no - fi - ;; - *) lib_linked=no ;; - esac - - if test "$lib_linked" != yes; then - func_fatal_configuration "unsupported hardcode properties" - fi - - if test -n "$add_shlibpath"; then - case :$compile_shlibpath: in - *":$add_shlibpath:"*) ;; - *) compile_shlibpath="$compile_shlibpath$add_shlibpath:" ;; - esac - fi - if test "$linkmode" = prog; then - test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" - test -n "$add" && compile_deplibs="$add $compile_deplibs" - else - test -n "$add_dir" && deplibs="$add_dir $deplibs" - test -n "$add" && deplibs="$add $deplibs" - if test "$hardcode_direct" != yes && - test "$hardcode_minus_L" != yes && - test "$hardcode_shlibpath_var" = yes; then - case :$finalize_shlibpath: in - *":$libdir:"*) ;; - *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;; - esac - fi - fi - fi - - if test "$linkmode" = prog || test "$mode" = relink; then - add_shlibpath= - add_dir= - add= - # Finalize command for both is simple: just hardcode it. - if test "$hardcode_direct" = yes && - test "$hardcode_direct_absolute" = no; then - add="$libdir/$linklib" - elif test "$hardcode_minus_L" = yes; then - add_dir="-L$libdir" - add="-l$name" - elif test "$hardcode_shlibpath_var" = yes; then - case :$finalize_shlibpath: in - *":$libdir:"*) ;; - *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;; - esac - add="-l$name" - elif test "$hardcode_automatic" = yes; then - if test -n "$inst_prefix_dir" && - test -f "$inst_prefix_dir$libdir/$linklib" ; then - add="$inst_prefix_dir$libdir/$linklib" - else - add="$libdir/$linklib" - fi - else - # We cannot seem to hardcode it, guess we'll fake it. - add_dir="-L$libdir" - # Try looking first in the location we're being installed to. - if test -n "$inst_prefix_dir"; then - case $libdir in - [\\/]*) - add_dir="$add_dir -L$inst_prefix_dir$libdir" - ;; - esac - fi - add="-l$name" - fi - - if test "$linkmode" = prog; then - test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" - test -n "$add" && finalize_deplibs="$add $finalize_deplibs" - else - test -n "$add_dir" && deplibs="$add_dir $deplibs" - test -n "$add" && deplibs="$add $deplibs" - fi - fi - elif test "$linkmode" = prog; then - # Here we assume that one of hardcode_direct or hardcode_minus_L - # is not unsupported. 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All subsequent reloadable object - # files will link in the last one created. - test -z "$concat_cmds" || concat_cmds=$concat_cmds~ - eval concat_cmds=\"\${concat_cmds}$reload_cmds $objlist $last_robj\" - if test -n "$last_robj"; then - eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" - fi - delfiles="$delfiles $output" - - else - output= - fi - - if ${skipped_export-false}; then - func_verbose "generating symbol list for \`$libname.la'" - export_symbols="$output_objdir/$libname.exp" - $opt_dry_run || $RM $export_symbols - libobjs=$output - # Append the command to create the export file. - test -z "$concat_cmds" || concat_cmds=$concat_cmds~ - eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" - if test -n "$last_robj"; then - eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" - fi - fi - - test -n "$save_libobjs" && - func_verbose "creating a temporary reloadable object file: $output" - - # Loop through the commands generated above and execute them. - save_ifs="$IFS"; IFS='~' - for cmd in $concat_cmds; do - IFS="$save_ifs" - $opt_silent || { - func_quote_for_expand "$cmd" - eval "func_echo $func_quote_for_expand_result" - } - $opt_dry_run || eval "$cmd" || { - lt_exit=$? - - # Restore the uninstalled library and exit - if test "$mode" = relink; then - ( cd "$output_objdir" && \ - $RM "${realname}T" && \ - $MV "${realname}U" "$realname" ) - fi - - exit $lt_exit - } - done - IFS="$save_ifs" - - if test -n "$export_symbols_regex" && ${skipped_export-false}; then - func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' - func_show_eval '$MV "${export_symbols}T" "$export_symbols"' - fi - fi - - if ${skipped_export-false}; then - if test -n "$export_symbols" && test -n "$include_expsyms"; then - tmp_export_symbols="$export_symbols" - test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" - $opt_dry_run || eval '$ECHO "X$include_expsyms" | $Xsed | $SP2NL >> "$tmp_export_symbols"' - fi - - if test -n "$orig_export_symbols"; then - # The given exports_symbols file has to be filtered, so filter it. - func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" - # FIXME: $output_objdir/$libname.filter potentially contains lots of - # 's' commands which not all seds can handle. 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Also, the filter scales superlinearly with the number of - # global variables. join(1) would be nice here, but unfortunately - # isn't a blessed tool. - $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter - delfiles="$delfiles $export_symbols $output_objdir/$libname.filter" - export_symbols=$output_objdir/$libname.def - $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols - fi - fi - - libobjs=$output - # Restore the value of output. - output=$save_output - - if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then - eval libobjs=\"\$libobjs $whole_archive_flag_spec\" - test "X$libobjs" = "X " && libobjs= - fi - # Expand the library linking commands again to reset the - # value of $libobjs for piecewise linking. - - # Do each of the archive commands. - if test "$module" = yes && test -n "$module_cmds" ; then - if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then - cmds=$module_expsym_cmds - else - cmds=$module_cmds - fi - else - if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then - cmds=$archive_expsym_cmds - else - cmds=$archive_cmds - fi - fi - fi - - if test -n "$delfiles"; then - # Append the command to remove temporary files to $cmds. - eval cmds=\"\$cmds~\$RM $delfiles\" - fi - - # Add any objects from preloaded convenience libraries - if test -n "$dlprefiles"; then - gentop="$output_objdir/${outputname}x" - generated="$generated $gentop" - - func_extract_archives $gentop $dlprefiles - libobjs="$libobjs $func_extract_archives_result" - test "X$libobjs" = "X " && libobjs= - fi - - save_ifs="$IFS"; IFS='~' - for cmd in $cmds; do - IFS="$save_ifs" - eval cmd=\"$cmd\" - $opt_silent || { - func_quote_for_expand "$cmd" - eval "func_echo $func_quote_for_expand_result" - } - $opt_dry_run || eval "$cmd" || { - lt_exit=$? - - # Restore the uninstalled library and exit - if test "$mode" = relink; then - ( cd "$output_objdir" && \ - $RM "${realname}T" && \ - $MV "${realname}U" "$realname" ) - fi - - exit $lt_exit - } - done - IFS="$save_ifs" - - # Restore the uninstalled library and exit - if test "$mode" = relink; then - $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? - - if test -n "$convenience"; then - if test -z "$whole_archive_flag_spec"; then - func_show_eval '${RM}r "$gentop"' - fi - fi - - exit $EXIT_SUCCESS - fi - - # Create links to the real library. - for linkname in $linknames; do - if test "$realname" != "$linkname"; then - func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' - fi - done - - # If -module or -export-dynamic was specified, set the dlname. - if test "$module" = yes || test "$export_dynamic" = yes; then - # On all known operating systems, these are identical. - dlname="$soname" - fi - fi - ;; - - obj) - if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then - func_warning "\`-dlopen' is ignored for objects" - fi - - case " $deplibs" in - *\ -l* | *\ -L*) - func_warning "\`-l' and \`-L' are ignored for objects" ;; - esac - - test -n "$rpath" && \ - func_warning "\`-rpath' is ignored for objects" - - test -n "$xrpath" && \ - func_warning "\`-R' is ignored for objects" - - test -n "$vinfo" && \ - func_warning "\`-version-info' is ignored for objects" - - test -n "$release" && \ - func_warning "\`-release' is ignored for objects" - - case $output in - *.lo) - test -n "$objs$old_deplibs" && \ - func_fatal_error "cannot build library object \`$output' from non-libtool objects" - - libobj=$output - func_lo2o "$libobj" - obj=$func_lo2o_result - ;; - *) - libobj= - obj="$output" - ;; - esac - - # Delete the old objects. - $opt_dry_run || $RM $obj $libobj - - # Objects from convenience libraries. This assumes - # single-version convenience libraries. Whenever we create - # different ones for PIC/non-PIC, this we'll have to duplicate - # the extraction. - reload_conv_objs= - gentop= - # reload_cmds runs $LD directly, so let us get rid of - # -Wl from whole_archive_flag_spec and hope we can get by with - # turning comma into space.. - wl= - - if test -n "$convenience"; then - if test -n "$whole_archive_flag_spec"; then - eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" - reload_conv_objs=$reload_objs\ `$ECHO "X$tmp_whole_archive_flags" | $Xsed -e 's|,| |g'` - else - gentop="$output_objdir/${obj}x" - generated="$generated $gentop" - - func_extract_archives $gentop $convenience - reload_conv_objs="$reload_objs $func_extract_archives_result" - fi - fi - - # Create the old-style object. - reload_objs="$objs$old_deplibs "`$ECHO "X$libobjs" | $SP2NL | $Xsed -e '/\.'${libext}$'/d' -e '/\.lib$/d' -e "$lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test - - output="$obj" - func_execute_cmds "$reload_cmds" 'exit $?' - - # Exit if we aren't doing a library object file. - if test -z "$libobj"; then - if test -n "$gentop"; then - func_show_eval '${RM}r "$gentop"' - fi - - exit $EXIT_SUCCESS - fi - - if test "$build_libtool_libs" != yes; then - if test -n "$gentop"; then - func_show_eval '${RM}r "$gentop"' - fi - - # Create an invalid libtool object if no PIC, so that we don't - # accidentally link it into a program. - # $show "echo timestamp > $libobj" - # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? - exit $EXIT_SUCCESS - fi - - if test -n "$pic_flag" || test "$pic_mode" != default; then - # Only do commands if we really have different PIC objects. - reload_objs="$libobjs $reload_conv_objs" - output="$libobj" - func_execute_cmds "$reload_cmds" 'exit $?' - fi - - if test -n "$gentop"; then - func_show_eval '${RM}r "$gentop"' - fi - - exit $EXIT_SUCCESS - ;; - - prog) - case $host in - *cygwin*) func_stripname '' '.exe' "$output" - output=$func_stripname_result.exe;; - esac - test -n "$vinfo" && \ - func_warning "\`-version-info' is ignored for programs" - - test -n "$release" && \ - func_warning "\`-release' is ignored for programs" - - test "$preload" = yes \ - && test "$dlopen_support" = unknown \ - && test "$dlopen_self" = unknown \ - && test "$dlopen_self_static" = unknown && \ - func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support." - - case $host in - *-*-rhapsody* | *-*-darwin1.[012]) - # On Rhapsody replace the C library is the System framework - compile_deplibs=`$ECHO "X $compile_deplibs" | $Xsed -e 's/ -lc / System.ltframework /'` - finalize_deplibs=`$ECHO "X $finalize_deplibs" | $Xsed -e 's/ -lc / System.ltframework /'` - ;; - esac - - case $host in - *-*-darwin*) - # Don't allow lazy linking, it breaks C++ global constructors - # But is supposedly fixed on 10.4 or later (yay!). - if test "$tagname" = CXX ; then - case ${MACOSX_DEPLOYMENT_TARGET-10.0} in - 10.[0123]) - compile_command="$compile_command ${wl}-bind_at_load" - finalize_command="$finalize_command ${wl}-bind_at_load" - ;; - esac - fi - # Time to change all our "foo.ltframework" stuff back to "-framework foo" - compile_deplibs=`$ECHO "X $compile_deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` - finalize_deplibs=`$ECHO "X $finalize_deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` - ;; - esac - - - # move library search paths that coincide with paths to not yet - # installed libraries to the beginning of the library search list - new_libs= - for path in $notinst_path; do - case " $new_libs " in - *" -L$path/$objdir "*) ;; - *) - case " $compile_deplibs " in - *" -L$path/$objdir "*) - new_libs="$new_libs -L$path/$objdir" ;; - esac - ;; - esac - done - for deplib in $compile_deplibs; do - case $deplib in - -L*) - case " $new_libs " in - *" $deplib "*) ;; - *) new_libs="$new_libs $deplib" ;; - esac - ;; - *) new_libs="$new_libs $deplib" ;; - esac - done - compile_deplibs="$new_libs" - - - compile_command="$compile_command $compile_deplibs" - finalize_command="$finalize_command $finalize_deplibs" - - if test -n "$rpath$xrpath"; then - # If the user specified any rpath flags, then add them. - for libdir in $rpath $xrpath; do - # This is the magic to use -rpath. - case "$finalize_rpath " in - *" $libdir "*) ;; - *) finalize_rpath="$finalize_rpath $libdir" ;; - esac - done - fi - - # Now hardcode the library paths - rpath= - hardcode_libdirs= - for libdir in $compile_rpath $finalize_rpath; do - if test -n "$hardcode_libdir_flag_spec"; then - if test -n "$hardcode_libdir_separator"; then - if test -z "$hardcode_libdirs"; then - hardcode_libdirs="$libdir" - else - # Just accumulate the unique libdirs. - case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in - *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) - ;; - *) - hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir" - ;; - esac - fi - else - eval flag=\"$hardcode_libdir_flag_spec\" - rpath="$rpath $flag" - fi - elif test -n "$runpath_var"; then - case "$perm_rpath " in - *" $libdir "*) ;; - *) perm_rpath="$perm_rpath $libdir" ;; - esac - fi - case $host in - *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*) - testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` - case :$dllsearchpath: in - *":$libdir:"*) ;; - *) dllsearchpath="$dllsearchpath:$libdir";; - esac - case :$dllsearchpath: in - *":$testbindir:"*) ;; - *) dllsearchpath="$dllsearchpath:$testbindir";; - esac - ;; - esac - done - # Substitute the hardcoded libdirs into the rpath. - if test -n "$hardcode_libdir_separator" && - test -n "$hardcode_libdirs"; then - libdir="$hardcode_libdirs" - eval rpath=\" $hardcode_libdir_flag_spec\" - fi - compile_rpath="$rpath" - - rpath= - hardcode_libdirs= - for libdir in $finalize_rpath; do - if test -n "$hardcode_libdir_flag_spec"; then - if test -n "$hardcode_libdir_separator"; then - if test -z "$hardcode_libdirs"; then - hardcode_libdirs="$libdir" - else - # Just accumulate the unique libdirs. - case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in - *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) - ;; - *) - hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir" - ;; - esac - fi - else - eval flag=\"$hardcode_libdir_flag_spec\" - rpath="$rpath $flag" - fi - elif test -n "$runpath_var"; then - case "$finalize_perm_rpath " in - *" $libdir "*) ;; - *) finalize_perm_rpath="$finalize_perm_rpath $libdir" ;; - esac - fi - done - # Substitute the hardcoded libdirs into the rpath. - if test -n "$hardcode_libdir_separator" && - test -n "$hardcode_libdirs"; then - libdir="$hardcode_libdirs" - eval rpath=\" $hardcode_libdir_flag_spec\" - fi - finalize_rpath="$rpath" - - if test -n "$libobjs" && test "$build_old_libs" = yes; then - # Transform all the library objects into standard objects. - compile_command=`$ECHO "X$compile_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` - finalize_command=`$ECHO "X$finalize_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` - fi - - func_generate_dlsyms "$outputname" "@PROGRAM@" "no" - - # template prelinking step - if test -n "$prelink_cmds"; then - func_execute_cmds "$prelink_cmds" 'exit $?' - fi - - wrappers_required=yes - case $host in - *cygwin* | *mingw* ) - if test "$build_libtool_libs" != yes; then - wrappers_required=no - fi - ;; - *) - if test "$need_relink" = no || test "$build_libtool_libs" != yes; then - wrappers_required=no - fi - ;; - esac - if test "$wrappers_required" = no; then - # Replace the output file specification. - compile_command=`$ECHO "X$compile_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'` - link_command="$compile_command$compile_rpath" - - # We have no uninstalled library dependencies, so finalize right now. - exit_status=0 - func_show_eval "$link_command" 'exit_status=$?' - - # Delete the generated files. - if test -f "$output_objdir/${outputname}S.${objext}"; then - func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' - fi - - exit $exit_status - fi - - if test -n "$compile_shlibpath$finalize_shlibpath"; then - compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" - fi - if test -n "$finalize_shlibpath"; then - finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" - fi - - compile_var= - finalize_var= - if test -n "$runpath_var"; then - if test -n "$perm_rpath"; then - # We should set the runpath_var. - rpath= - for dir in $perm_rpath; do - rpath="$rpath$dir:" - done - compile_var="$runpath_var=\"$rpath\$$runpath_var\" " - fi - if test -n "$finalize_perm_rpath"; then - # We should set the runpath_var. - rpath= - for dir in $finalize_perm_rpath; do - rpath="$rpath$dir:" - done - finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " - fi - fi - - if test "$no_install" = yes; then - # We don't need to create a wrapper script. - link_command="$compile_var$compile_command$compile_rpath" - # Replace the output file specification. - link_command=`$ECHO "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'` - # Delete the old output file. - $opt_dry_run || $RM $output - # Link the executable and exit - func_show_eval "$link_command" 'exit $?' - exit $EXIT_SUCCESS - fi - - if test "$hardcode_action" = relink; then - # Fast installation is not supported - link_command="$compile_var$compile_command$compile_rpath" - relink_command="$finalize_var$finalize_command$finalize_rpath" - - func_warning "this platform does not like uninstalled shared libraries" - func_warning "\`$output' will be relinked during installation" - else - if test "$fast_install" != no; 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You should only need it if - you modified a \`.texi' or \`.texinfo' file, or any other file - indirectly affecting the aspect of the manual. The spurious - call might also be the consequence of using a buggy \`make' (AIX, - DU, IRIX). You might want to install the \`Texinfo' package or - the \`GNU make' package. Grab either from any GNU archive site." - # The file to touch is that specified with -o ... - file=`echo "$*" | sed -n "$sed_output"` - test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` - if test -z "$file"; then - # ... or it is the one specified with @setfilename ... - infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'` - file=`sed -n ' - /^@setfilename/{ - s/.* \([^ ]*\) *$/\1/ - p - q - }' $infile` - # ... or it is derived from the source name (dir/f.texi becomes f.info) - test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info - fi - # If the file does not exist, the user really needs makeinfo; - # let's fail without touching anything. - test -f $file || exit 1 - touch $file - ;; - - tar) - shift - - # We have already tried tar in the generic part. - # Look for gnutar/gtar before invocation to avoid ugly error - # messages. - if (gnutar --version > /dev/null 2>&1); then - gnutar "$@" && exit 0 - fi - if (gtar --version > /dev/null 2>&1); then - gtar "$@" && exit 0 - fi - firstarg="$1" - if shift; then - case $firstarg in - *o*) - firstarg=`echo "$firstarg" | sed s/o//` - tar "$firstarg" "$@" && exit 0 - ;; - esac - case $firstarg in - *h*) - firstarg=`echo "$firstarg" | sed s/h//` - tar "$firstarg" "$@" && exit 0 - ;; - esac - fi - - echo 1>&2 "\ -WARNING: I can't seem to be able to run \`tar' with the given arguments. - You may want to install GNU tar or Free paxutils, or check the - command line arguments." - exit 1 - ;; - - *) - echo 1>&2 "\ -WARNING: \`$1' is needed, and is $msg. - You might have modified some files without having the - proper tools for further handling them. Check the \`README' file, - it often tells you about the needed prerequisites for installing - this package. You may also peek at any GNU archive site, in case - some other package would contain this missing \`$1' program." - exit 1 - ;; -esac - -exit 0 - -# Local variables: -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-end: "$" -# End: diff --git a/Build/source/libs/libpng/libpng-1.2.34/mkinstalldirs b/Build/source/libs/libpng/libpng-1.2.34/mkinstalldirs deleted file mode 100755 index ef7e16fdafe..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/mkinstalldirs +++ /dev/null @@ -1,161 +0,0 @@ -#! /bin/sh -# mkinstalldirs --- make directory hierarchy - -scriptversion=2006-05-11.19 - -# Original author: Noah Friedman -# Created: 1993-05-16 -# Public domain. -# -# This file is maintained in Automake, please report -# bugs to or send patches to -# . - -nl=' -' -IFS=" "" $nl" -errstatus=0 -dirmode= - -usage="\ -Usage: mkinstalldirs [-h] [--help] [--version] [-m MODE] DIR ... - -Create each directory DIR (with mode MODE, if specified), including all -leading file name components. - -Report bugs to ." - -# process command line arguments -while test $# -gt 0 ; do - case $1 in - -h | --help | --h*) # -h for help - echo "$usage" - exit $? - ;; - -m) # -m PERM arg - shift - test $# -eq 0 && { echo "$usage" 1>&2; exit 1; } - dirmode=$1 - shift - ;; - --version) - echo "$0 $scriptversion" - exit $? - ;; - --) # stop option processing - shift - break - ;; - -*) # unknown option - echo "$usage" 1>&2 - exit 1 - ;; - *) # first non-opt arg - break - ;; - esac -done - -for file -do - if test -d "$file"; then - shift - else - break - fi -done - -case $# in - 0) exit 0 ;; -esac - -# Solaris 8's mkdir -p isn't thread-safe. If you mkdir -p a/b and -# mkdir -p a/c at the same time, both will detect that a is missing, -# one will create a, then the other will try to create a and die with -# a "File exists" error. This is a problem when calling mkinstalldirs -# from a parallel make. We use --version in the probe to restrict -# ourselves to GNU mkdir, which is thread-safe. -case $dirmode in - '') - if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then - echo "mkdir -p -- $*" - exec mkdir -p -- "$@" - else - # On NextStep and OpenStep, the `mkdir' command does not - # recognize any option. It will interpret all options as - # directories to create, and then abort because `.' already - # exists. - test -d ./-p && rmdir ./-p - test -d ./--version && rmdir ./--version - fi - ;; - *) - if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 && - test ! -d ./--version; then - echo "mkdir -m $dirmode -p -- $*" - exec mkdir -m "$dirmode" -p -- "$@" - else - # Clean up after NextStep and OpenStep mkdir. - for d in ./-m ./-p ./--version "./$dirmode"; - do - test -d $d && rmdir $d - done - fi - ;; -esac - -for file -do - case $file in - /*) pathcomp=/ ;; - *) pathcomp= ;; - esac - oIFS=$IFS - IFS=/ - set fnord $file - shift - IFS=$oIFS - - for d - do - test "x$d" = x && continue - - pathcomp=$pathcomp$d - case $pathcomp in - -*) pathcomp=./$pathcomp ;; - esac - - if test ! -d "$pathcomp"; then - echo "mkdir $pathcomp" - - mkdir "$pathcomp" || lasterr=$? - - if test ! -d "$pathcomp"; then - errstatus=$lasterr - else - if test ! -z "$dirmode"; then - echo "chmod $dirmode $pathcomp" - lasterr= - chmod "$dirmode" "$pathcomp" || lasterr=$? - - if test ! -z "$lasterr"; then - errstatus=$lasterr - fi - fi - fi - fi - - pathcomp=$pathcomp/ - done -done - -exit $errstatus - -# Local Variables: -# mode: shell-script -# sh-indentation: 2 -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-end: "$" -# End: diff --git a/Build/source/libs/libpng/libpng-1.2.34/png.5 b/Build/source/libs/libpng/libpng-1.2.34/png.5 deleted file mode 100644 index 5c655f093ad..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/png.5 +++ /dev/null @@ -1,74 +0,0 @@ -.TH PNG 5 "December 18, 2008" -.SH NAME -png \- Portable Network Graphics (PNG) format -.SH DESCRIPTION -PNG (Portable Network Graphics) is an extensible file format for the -lossless, portable, well-compressed storage of raster images. PNG provides -a patent-free replacement for GIF and can also replace many -common uses of TIFF. Indexed-color, grayscale, and truecolor images are -supported, plus an optional alpha channel. Sample depths range from -1 to 16 bits. -.br - -PNG is designed to work well in online viewing applications, such as the -World Wide Web, so it is fully streamable with a progressive display -option. PNG is robust, providing both full file integrity checking and -fast, simple detection of common transmission errors. Also, PNG can store -gamma and chromaticity data for improved color matching on heterogeneous -platforms. - -.SH "SEE ALSO" -.IR libpng(3) ", " zlib(3) ", " deflate(5) ", and " zlib(5) -.LP -PNG specification (second edition), November 2003: -.IP -.br - 8) - png_error(png_ptr, "Too many bytes for PNG signature."); - - png_ptr->sig_bytes = (png_byte)(num_bytes < 0 ? 0 : num_bytes); -} - -/* Checks whether the supplied bytes match the PNG signature. We allow - * checking less than the full 8-byte signature so that those apps that - * already read the first few bytes of a file to determine the file type - * can simply check the remaining bytes for extra assurance. Returns - * an integer less than, equal to, or greater than zero if sig is found, - * respectively, to be less than, to match, or be greater than the correct - * PNG signature (this is the same behaviour as strcmp, memcmp, etc). - */ -int PNGAPI -png_sig_cmp(png_bytep sig, png_size_t start, png_size_t num_to_check) -{ - png_byte png_signature[8] = {137, 80, 78, 71, 13, 10, 26, 10}; - if (num_to_check > 8) - num_to_check = 8; - else if (num_to_check < 1) - return (-1); - - if (start > 7) - return (-1); - - if (start + num_to_check > 8) - num_to_check = 8 - start; - - return ((int)(png_memcmp(&sig[start], &png_signature[start], num_to_check))); -} - -#if defined(PNG_1_0_X) || defined(PNG_1_2_X) -/* (Obsolete) function to check signature bytes. It does not allow one - * to check a partial signature. This function might be removed in the - * future - use png_sig_cmp(). Returns true (nonzero) if the file is PNG. - */ -int PNGAPI -png_check_sig(png_bytep sig, int num) -{ - return ((int)!png_sig_cmp(sig, (png_size_t)0, (png_size_t)num)); -} -#endif -#endif /* PNG_READ_SUPPORTED */ - -#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) -/* Function to allocate memory for zlib and clear it to 0. */ -#ifdef PNG_1_0_X -voidpf PNGAPI -#else -voidpf /* private */ -#endif -png_zalloc(voidpf png_ptr, uInt items, uInt size) -{ - png_voidp ptr; - png_structp p=(png_structp)png_ptr; - png_uint_32 save_flags=p->flags; - png_uint_32 num_bytes; - - if (png_ptr == NULL) return (NULL); - if (items > PNG_UINT_32_MAX/size) - { - png_warning (p, "Potential overflow in png_zalloc()"); - return (NULL); - } - num_bytes = (png_uint_32)items * size; - - p->flags|=PNG_FLAG_MALLOC_NULL_MEM_OK; - ptr = (png_voidp)png_malloc((png_structp)png_ptr, num_bytes); - p->flags=save_flags; - -#if defined(PNG_1_0_X) && !defined(PNG_NO_ZALLOC_ZERO) - if (ptr == NULL) - return ((voidpf)ptr); - - if (num_bytes > (png_uint_32)0x8000L) - { - png_memset(ptr, 0, (png_size_t)0x8000L); - png_memset((png_bytep)ptr + (png_size_t)0x8000L, 0, - (png_size_t)(num_bytes - (png_uint_32)0x8000L)); - } - else - { - png_memset(ptr, 0, (png_size_t)num_bytes); - } -#endif - return ((voidpf)ptr); -} - -/* function to free memory for zlib */ -#ifdef PNG_1_0_X -void PNGAPI -#else -void /* private */ -#endif -png_zfree(voidpf png_ptr, voidpf ptr) -{ - png_free((png_structp)png_ptr, (png_voidp)ptr); -} - -/* Reset the CRC variable to 32 bits of 1's. Care must be taken - * in case CRC is > 32 bits to leave the top bits 0. - */ -void /* PRIVATE */ -png_reset_crc(png_structp png_ptr) -{ - png_ptr->crc = crc32(0, Z_NULL, 0); -} - -/* Calculate the CRC over a section of data. We can only pass as - * much data to this routine as the largest single buffer size. We - * also check that this data will actually be used before going to the - * trouble of calculating it. - */ -void /* PRIVATE */ -png_calculate_crc(png_structp png_ptr, png_bytep ptr, png_size_t length) -{ - int need_crc = 1; - - if (png_ptr->chunk_name[0] & 0x20) /* ancillary */ - { - if ((png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_MASK) == - (PNG_FLAG_CRC_ANCILLARY_USE | PNG_FLAG_CRC_ANCILLARY_NOWARN)) - need_crc = 0; - } - else /* critical */ - { - if (png_ptr->flags & PNG_FLAG_CRC_CRITICAL_IGNORE) - need_crc = 0; - } - - if (need_crc) - png_ptr->crc = crc32(png_ptr->crc, ptr, (uInt)length); -} - -/* Allocate the memory for an info_struct for the application. We don't - * really need the png_ptr, but it could potentially be useful in the - * future. This should be used in favour of malloc(png_sizeof(png_info)) - * and png_info_init() so that applications that want to use a shared - * libpng don't have to be recompiled if png_info changes size. - */ -png_infop PNGAPI -png_create_info_struct(png_structp png_ptr) -{ - png_infop info_ptr; - - png_debug(1, "in png_create_info_struct"); - if (png_ptr == NULL) return (NULL); -#ifdef PNG_USER_MEM_SUPPORTED - info_ptr = (png_infop)png_create_struct_2(PNG_STRUCT_INFO, - png_ptr->malloc_fn, png_ptr->mem_ptr); -#else - info_ptr = (png_infop)png_create_struct(PNG_STRUCT_INFO); -#endif - if (info_ptr != NULL) - png_info_init_3(&info_ptr, png_sizeof(png_info)); - - return (info_ptr); -} - -/* This function frees the memory associated with a single info struct. - * Normally, one would use either png_destroy_read_struct() or - * png_destroy_write_struct() to free an info struct, but this may be - * useful for some applications. - */ -void PNGAPI -png_destroy_info_struct(png_structp png_ptr, png_infopp info_ptr_ptr) -{ - png_infop info_ptr = NULL; - if (png_ptr == NULL) return; - - png_debug(1, "in png_destroy_info_struct"); - if (info_ptr_ptr != NULL) - info_ptr = *info_ptr_ptr; - - if (info_ptr != NULL) - { - png_info_destroy(png_ptr, info_ptr); - -#ifdef PNG_USER_MEM_SUPPORTED - png_destroy_struct_2((png_voidp)info_ptr, png_ptr->free_fn, - png_ptr->mem_ptr); -#else - png_destroy_struct((png_voidp)info_ptr); -#endif - *info_ptr_ptr = NULL; - } -} - -/* Initialize the info structure. This is now an internal function (0.89) - * and applications using it are urged to use png_create_info_struct() - * instead. - */ -#if defined(PNG_1_0_X) || defined(PNG_1_2_X) -#undef png_info_init -void PNGAPI -png_info_init(png_infop info_ptr) -{ - /* We only come here via pre-1.0.12-compiled applications */ - png_info_init_3(&info_ptr, 0); -} -#endif - -void PNGAPI -png_info_init_3(png_infopp ptr_ptr, png_size_t png_info_struct_size) -{ - png_infop info_ptr = *ptr_ptr; - - if (info_ptr == NULL) return; - - png_debug(1, "in png_info_init_3"); - - if (png_sizeof(png_info) > png_info_struct_size) - { - png_destroy_struct(info_ptr); - info_ptr = (png_infop)png_create_struct(PNG_STRUCT_INFO); - *ptr_ptr = info_ptr; - } - - /* set everything to 0 */ - png_memset(info_ptr, 0, png_sizeof(png_info)); -} - -#ifdef PNG_FREE_ME_SUPPORTED -void PNGAPI -png_data_freer(png_structp png_ptr, png_infop info_ptr, - int freer, png_uint_32 mask) -{ - png_debug(1, "in png_data_freer"); - if (png_ptr == NULL || info_ptr == NULL) - return; - if (freer == PNG_DESTROY_WILL_FREE_DATA) - info_ptr->free_me |= mask; - else if (freer == PNG_USER_WILL_FREE_DATA) - info_ptr->free_me &= ~mask; - else - png_warning(png_ptr, - "Unknown freer parameter in png_data_freer."); -} -#endif - -void PNGAPI -png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask, - int num) -{ - png_debug(1, "in png_free_data"); - if (png_ptr == NULL || info_ptr == NULL) - return; - -#if defined(PNG_TEXT_SUPPORTED) -/* free text item num or (if num == -1) all text items */ -#ifdef PNG_FREE_ME_SUPPORTED -if ((mask & PNG_FREE_TEXT) & info_ptr->free_me) -#else -if (mask & PNG_FREE_TEXT) -#endif -{ - if (num != -1) - { - if (info_ptr->text && info_ptr->text[num].key) - { - png_free(png_ptr, info_ptr->text[num].key); - info_ptr->text[num].key = NULL; - } - } - else - { - int i; - for (i = 0; i < info_ptr->num_text; i++) - png_free_data(png_ptr, info_ptr, PNG_FREE_TEXT, i); - png_free(png_ptr, info_ptr->text); - info_ptr->text = NULL; - info_ptr->num_text=0; - } -} -#endif - -#if defined(PNG_tRNS_SUPPORTED) -/* free any tRNS entry */ -#ifdef PNG_FREE_ME_SUPPORTED -if ((mask & PNG_FREE_TRNS) & info_ptr->free_me) -#else -if ((mask & PNG_FREE_TRNS) && (png_ptr->flags & PNG_FLAG_FREE_TRNS)) -#endif -{ - png_free(png_ptr, info_ptr->trans); - info_ptr->trans = NULL; - info_ptr->valid &= ~PNG_INFO_tRNS; -#ifndef PNG_FREE_ME_SUPPORTED - png_ptr->flags &= ~PNG_FLAG_FREE_TRNS; -#endif -} -#endif - -#if defined(PNG_sCAL_SUPPORTED) -/* free any sCAL entry */ -#ifdef PNG_FREE_ME_SUPPORTED -if ((mask & PNG_FREE_SCAL) & info_ptr->free_me) -#else -if (mask & PNG_FREE_SCAL) -#endif -{ -#if defined(PNG_FIXED_POINT_SUPPORTED) && !defined(PNG_FLOATING_POINT_SUPPORTED) - png_free(png_ptr, info_ptr->scal_s_width); - png_free(png_ptr, info_ptr->scal_s_height); - info_ptr->scal_s_width = NULL; - info_ptr->scal_s_height = NULL; -#endif - info_ptr->valid &= ~PNG_INFO_sCAL; -} -#endif - -#if defined(PNG_pCAL_SUPPORTED) -/* free any pCAL entry */ -#ifdef PNG_FREE_ME_SUPPORTED -if ((mask & PNG_FREE_PCAL) & info_ptr->free_me) -#else -if (mask & PNG_FREE_PCAL) -#endif -{ - png_free(png_ptr, info_ptr->pcal_purpose); - png_free(png_ptr, info_ptr->pcal_units); - info_ptr->pcal_purpose = NULL; - info_ptr->pcal_units = NULL; - if (info_ptr->pcal_params != NULL) - { - int i; - for (i = 0; i < (int)info_ptr->pcal_nparams; i++) - { - png_free(png_ptr, info_ptr->pcal_params[i]); - info_ptr->pcal_params[i]=NULL; - } - png_free(png_ptr, info_ptr->pcal_params); - info_ptr->pcal_params = NULL; - } - info_ptr->valid &= ~PNG_INFO_pCAL; -} -#endif - -#if defined(PNG_iCCP_SUPPORTED) -/* free any iCCP entry */ -#ifdef PNG_FREE_ME_SUPPORTED -if ((mask & PNG_FREE_ICCP) & info_ptr->free_me) -#else -if (mask & PNG_FREE_ICCP) -#endif -{ - png_free(png_ptr, info_ptr->iccp_name); - png_free(png_ptr, info_ptr->iccp_profile); - info_ptr->iccp_name = NULL; - info_ptr->iccp_profile = NULL; - info_ptr->valid &= ~PNG_INFO_iCCP; -} -#endif - -#if defined(PNG_sPLT_SUPPORTED) -/* free a given sPLT entry, or (if num == -1) all sPLT entries */ -#ifdef PNG_FREE_ME_SUPPORTED -if ((mask & PNG_FREE_SPLT) & info_ptr->free_me) -#else -if (mask & PNG_FREE_SPLT) -#endif -{ - if (num != -1) - { - if (info_ptr->splt_palettes) - { - png_free(png_ptr, info_ptr->splt_palettes[num].name); - png_free(png_ptr, info_ptr->splt_palettes[num].entries); - info_ptr->splt_palettes[num].name = NULL; - info_ptr->splt_palettes[num].entries = NULL; - } - } - else - { - if (info_ptr->splt_palettes_num) - { - int i; - for (i = 0; i < (int)info_ptr->splt_palettes_num; i++) - png_free_data(png_ptr, info_ptr, PNG_FREE_SPLT, i); - - png_free(png_ptr, info_ptr->splt_palettes); - info_ptr->splt_palettes = NULL; - info_ptr->splt_palettes_num = 0; - } - info_ptr->valid &= ~PNG_INFO_sPLT; - } -} -#endif - -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) - if (png_ptr->unknown_chunk.data) - { - png_free(png_ptr, png_ptr->unknown_chunk.data); - png_ptr->unknown_chunk.data = NULL; - } - -#ifdef PNG_FREE_ME_SUPPORTED -if ((mask & PNG_FREE_UNKN) & info_ptr->free_me) -#else -if (mask & PNG_FREE_UNKN) -#endif -{ - if (num != -1) - { - if (info_ptr->unknown_chunks) - { - png_free(png_ptr, info_ptr->unknown_chunks[num].data); - info_ptr->unknown_chunks[num].data = NULL; - } - } - else - { - int i; - - if (info_ptr->unknown_chunks_num) - { - for (i = 0; i < (int)info_ptr->unknown_chunks_num; i++) - png_free_data(png_ptr, info_ptr, PNG_FREE_UNKN, i); - - png_free(png_ptr, info_ptr->unknown_chunks); - info_ptr->unknown_chunks = NULL; - info_ptr->unknown_chunks_num = 0; - } - } -} -#endif - -#if defined(PNG_hIST_SUPPORTED) -/* free any hIST entry */ -#ifdef PNG_FREE_ME_SUPPORTED -if ((mask & PNG_FREE_HIST) & info_ptr->free_me) -#else -if ((mask & PNG_FREE_HIST) && (png_ptr->flags & PNG_FLAG_FREE_HIST)) -#endif -{ - png_free(png_ptr, info_ptr->hist); - info_ptr->hist = NULL; - info_ptr->valid &= ~PNG_INFO_hIST; -#ifndef PNG_FREE_ME_SUPPORTED - png_ptr->flags &= ~PNG_FLAG_FREE_HIST; -#endif -} -#endif - -/* free any PLTE entry that was internally allocated */ -#ifdef PNG_FREE_ME_SUPPORTED -if ((mask & PNG_FREE_PLTE) & info_ptr->free_me) -#else -if ((mask & PNG_FREE_PLTE) && (png_ptr->flags & PNG_FLAG_FREE_PLTE)) -#endif -{ - png_zfree(png_ptr, info_ptr->palette); - info_ptr->palette = NULL; - info_ptr->valid &= ~PNG_INFO_PLTE; -#ifndef PNG_FREE_ME_SUPPORTED - png_ptr->flags &= ~PNG_FLAG_FREE_PLTE; -#endif - info_ptr->num_palette = 0; -} - -#if defined(PNG_INFO_IMAGE_SUPPORTED) -/* free any image bits attached to the info structure */ -#ifdef PNG_FREE_ME_SUPPORTED -if ((mask & PNG_FREE_ROWS) & info_ptr->free_me) -#else -if (mask & PNG_FREE_ROWS) -#endif -{ - if (info_ptr->row_pointers) - { - int row; - for (row = 0; row < (int)info_ptr->height; row++) - { - png_free(png_ptr, info_ptr->row_pointers[row]); - info_ptr->row_pointers[row]=NULL; - } - png_free(png_ptr, info_ptr->row_pointers); - info_ptr->row_pointers=NULL; - } - info_ptr->valid &= ~PNG_INFO_IDAT; -} -#endif - -#ifdef PNG_FREE_ME_SUPPORTED - if (num == -1) - info_ptr->free_me &= ~mask; - else - info_ptr->free_me &= ~(mask & ~PNG_FREE_MUL); -#endif -} - -/* This is an internal routine to free any memory that the info struct is - * pointing to before re-using it or freeing the struct itself. Recall - * that png_free() checks for NULL pointers for us. - */ -void /* PRIVATE */ -png_info_destroy(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_info_destroy"); - - png_free_data(png_ptr, info_ptr, PNG_FREE_ALL, -1); - -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) - if (png_ptr->num_chunk_list) - { - png_free(png_ptr, png_ptr->chunk_list); - png_ptr->chunk_list=NULL; - png_ptr->num_chunk_list = 0; - } -#endif - - png_info_init_3(&info_ptr, png_sizeof(png_info)); -} -#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */ - -/* This function returns a pointer to the io_ptr associated with the user - * functions. The application should free any memory associated with this - * pointer before png_write_destroy() or png_read_destroy() are called. - */ -png_voidp PNGAPI -png_get_io_ptr(png_structp png_ptr) -{ - if (png_ptr == NULL) return (NULL); - return (png_ptr->io_ptr); -} - -#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) -#if !defined(PNG_NO_STDIO) -/* Initialize the default input/output functions for the PNG file. If you - * use your own read or write routines, you can call either png_set_read_fn() - * or png_set_write_fn() instead of png_init_io(). If you have defined - * PNG_NO_STDIO, you must use a function of your own because "FILE *" isn't - * necessarily available. - */ -void PNGAPI -png_init_io(png_structp png_ptr, png_FILE_p fp) -{ - png_debug(1, "in png_init_io"); - if (png_ptr == NULL) return; - png_ptr->io_ptr = (png_voidp)fp; -} -#endif - -#if defined(PNG_TIME_RFC1123_SUPPORTED) -/* Convert the supplied time into an RFC 1123 string suitable for use in - * a "Creation Time" or other text-based time string. - */ -png_charp PNGAPI -png_convert_to_rfc1123(png_structp png_ptr, png_timep ptime) -{ - static PNG_CONST char short_months[12][4] = - {"Jan", "Feb", "Mar", "Apr", "May", "Jun", - "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; - - if (png_ptr == NULL) return (NULL); - if (png_ptr->time_buffer == NULL) - { - png_ptr->time_buffer = (png_charp)png_malloc(png_ptr, (png_uint_32)(29* - png_sizeof(char))); - } - -#if defined(_WIN32_WCE) - { - wchar_t time_buf[29]; - wsprintf(time_buf, TEXT("%d %S %d %02d:%02d:%02d +0000"), - ptime->day % 32, short_months[(ptime->month - 1) % 12], - ptime->year, ptime->hour % 24, ptime->minute % 60, - ptime->second % 61); - WideCharToMultiByte(CP_ACP, 0, time_buf, -1, png_ptr->time_buffer, 29, - NULL, NULL); - } -#else -#ifdef USE_FAR_KEYWORD - { - char near_time_buf[29]; - png_snprintf6(near_time_buf, 29, "%d %s %d %02d:%02d:%02d +0000", - ptime->day % 32, short_months[(ptime->month - 1) % 12], - ptime->year, ptime->hour % 24, ptime->minute % 60, - ptime->second % 61); - png_memcpy(png_ptr->time_buffer, near_time_buf, - 29*png_sizeof(char)); - } -#else - png_snprintf6(png_ptr->time_buffer, 29, "%d %s %d %02d:%02d:%02d +0000", - ptime->day % 32, short_months[(ptime->month - 1) % 12], - ptime->year, ptime->hour % 24, ptime->minute % 60, - ptime->second % 61); -#endif -#endif /* _WIN32_WCE */ - return ((png_charp)png_ptr->time_buffer); -} -#endif /* PNG_TIME_RFC1123_SUPPORTED */ - -#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */ - -png_charp PNGAPI -png_get_copyright(png_structp png_ptr) -{ - png_ptr = png_ptr; /* silence compiler warning about unused png_ptr */ - return ((png_charp) "\n libpng version 1.2.34 - December 18, 2008\n\ - Copyright (c) 1998-2008 Glenn Randers-Pehrson\n\ - Copyright (c) 1996-1997 Andreas Dilger\n\ - Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n"); -} - -/* The following return the library version as a short string in the - * format 1.0.0 through 99.99.99zz. To get the version of *.h files - * used with your application, print out PNG_LIBPNG_VER_STRING, which - * is defined in png.h. - * Note: now there is no difference between png_get_libpng_ver() and - * png_get_header_ver(). Due to the version_nn_nn_nn typedef guard, - * it is guaranteed that png.c uses the correct version of png.h. - */ -png_charp PNGAPI -png_get_libpng_ver(png_structp png_ptr) -{ - /* Version of *.c files used when building libpng */ - png_ptr = png_ptr; /* silence compiler warning about unused png_ptr */ - return ((png_charp) PNG_LIBPNG_VER_STRING); -} - -png_charp PNGAPI -png_get_header_ver(png_structp png_ptr) -{ - /* Version of *.h files used when building libpng */ - png_ptr = png_ptr; /* silence compiler warning about unused png_ptr */ - return ((png_charp) PNG_LIBPNG_VER_STRING); -} - -png_charp PNGAPI -png_get_header_version(png_structp png_ptr) -{ - /* Returns longer string containing both version and date */ - png_ptr = png_ptr; /* silence compiler warning about unused png_ptr */ - return ((png_charp) PNG_HEADER_VERSION_STRING -#ifndef PNG_READ_SUPPORTED - " (NO READ SUPPORT)" -#endif - "\n"); -} - -#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) -#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED -int PNGAPI -png_handle_as_unknown(png_structp png_ptr, png_bytep chunk_name) -{ - /* check chunk_name and return "keep" value if it's on the list, else 0 */ - int i; - png_bytep p; - if (png_ptr == NULL || chunk_name == NULL || png_ptr->num_chunk_list<=0) - return 0; - p = png_ptr->chunk_list + png_ptr->num_chunk_list*5 - 5; - for (i = png_ptr->num_chunk_list; i; i--, p -= 5) - if (!png_memcmp(chunk_name, p, 4)) - return ((int)*(p + 4)); - return 0; -} -#endif - -/* This function, added to libpng-1.0.6g, is untested. */ -int PNGAPI -png_reset_zstream(png_structp png_ptr) -{ - if (png_ptr == NULL) return Z_STREAM_ERROR; - return (inflateReset(&png_ptr->zstream)); -} -#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */ - -/* This function was added to libpng-1.0.7 */ -png_uint_32 PNGAPI -png_access_version_number(void) -{ - /* Version of *.c files used when building libpng */ - return((png_uint_32) PNG_LIBPNG_VER); -} - - -#if defined(PNG_READ_SUPPORTED) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) -#if !defined(PNG_1_0_X) -/* this function was added to libpng 1.2.0 */ -int PNGAPI -png_mmx_support(void) -{ - /* obsolete, to be removed from libpng-1.4.0 */ - return -1; -} -#endif /* PNG_1_0_X */ -#endif /* PNG_READ_SUPPORTED && PNG_ASSEMBLER_CODE_SUPPORTED */ - -#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) -#ifdef PNG_SIZE_T -/* Added at libpng version 1.2.6 */ - PNG_EXTERN png_size_t PNGAPI png_convert_size PNGARG((size_t size)); -png_size_t PNGAPI -png_convert_size(size_t size) -{ - if (size > (png_size_t)-1) - PNG_ABORT(); /* We haven't got access to png_ptr, so no png_error() */ - return ((png_size_t)size); -} -#endif /* PNG_SIZE_T */ - -/* Added at libpng version 1.2.34 and 1.4.0 (moved from pngset.c) */ -#if defined(PNG_cHRM_SUPPORTED) -#if !defined(PNG_NO_CHECK_cHRM) -/* - Multiply two 32-bit numbers, V1 and V2, using 32-bit - arithmetic, to produce a 64 bit result in the HI/LO words. - - A B - x C D - ------ - AD || BD -AC || CB || 0 - - where A and B are the high and low 16-bit words of V1, - C and D are the 16-bit words of V2, AD is the product of - A and D, and X || Y is (X << 16) + Y. -*/ - -void png_64bit_product (long v1, long v2, unsigned long *hi_product, - unsigned long *lo_product) -{ - int a, b, c, d; - long lo, hi, x, y; - - a = (v1 >> 16) & 0xffff; - b = v1 & 0xffff; - c = (v2 >> 16) & 0xffff; - d = v2 & 0xffff; - - lo = b * d; /* BD */ - x = a * d + c * b; /* AD + CB */ - y = ((lo >> 16) & 0xffff) + x; - - lo = (lo & 0xffff) | ((y & 0xffff) << 16); - hi = (y >> 16) & 0xffff; - - hi += a * c; /* AC */ - - *hi_product = (unsigned long)hi; - *lo_product = (unsigned long)lo; -} -int /* private */ -png_check_cHRM_fixed(png_structp png_ptr, - png_fixed_point white_x, png_fixed_point white_y, png_fixed_point red_x, - png_fixed_point red_y, png_fixed_point green_x, png_fixed_point green_y, - png_fixed_point blue_x, png_fixed_point blue_y) -{ - int ret = 1; - unsigned long xy_hi,xy_lo,yx_hi,yx_lo; - - png_debug(1, "in function png_check_cHRM_fixed"); - if (png_ptr == NULL) - return 0; - - if (white_x < 0 || white_y <= 0 || - red_x < 0 || red_y < 0 || - green_x < 0 || green_y < 0 || - blue_x < 0 || blue_y < 0) - { - png_warning(png_ptr, - "Ignoring attempt to set negative chromaticity value"); - ret = 0; - } - if (white_x > (png_fixed_point) PNG_UINT_31_MAX || - white_y > (png_fixed_point) PNG_UINT_31_MAX || - red_x > (png_fixed_point) PNG_UINT_31_MAX || - red_y > (png_fixed_point) PNG_UINT_31_MAX || - green_x > (png_fixed_point) PNG_UINT_31_MAX || - green_y > (png_fixed_point) PNG_UINT_31_MAX || - blue_x > (png_fixed_point) PNG_UINT_31_MAX || - blue_y > (png_fixed_point) PNG_UINT_31_MAX ) - { - png_warning(png_ptr, - "Ignoring attempt to set chromaticity value exceeding 21474.83"); - ret = 0; - } - if (white_x > 100000L - white_y) - { - png_warning(png_ptr, "Invalid cHRM white point"); - ret = 0; - } - if (red_x > 100000L - red_y) - { - png_warning(png_ptr, "Invalid cHRM red point"); - ret = 0; - } - if (green_x > 100000L - green_y) - { - png_warning(png_ptr, "Invalid cHRM green point"); - ret = 0; - } - if (blue_x > 100000L - blue_y) - { - png_warning(png_ptr, "Invalid cHRM blue point"); - ret = 0; - } - - png_64bit_product(green_x - red_x, blue_y - red_y, &xy_hi, &xy_lo); - png_64bit_product(green_y - red_y, blue_x - red_x, &yx_hi, &yx_lo); - - if (xy_hi == yx_hi && xy_lo == yx_lo) - { - png_warning(png_ptr, - "Ignoring attempt to set cHRM RGB triangle with zero area"); - ret = 0; - } - - return ret; -} -#endif /* NO_PNG_CHECK_cHRM */ -#endif /* PNG_cHRM_SUPPORTED */ -#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/png.h b/Build/source/libs/libpng/libpng-1.2.34/png.h deleted file mode 100644 index 3873728b426..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/png.h +++ /dev/null @@ -1,3661 +0,0 @@ -/* png.h - header file for PNG reference library - * - * libpng version 1.2.34 - December 18, 2008 - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - * - * Authors and maintainers: - * libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat - * libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger - * libpng versions 0.97, January 1998, through 1.2.34 - December 18, 2008: Glenn - * See also "Contributing Authors", below. - * - * Note about libpng version numbers: - * - * Due to various miscommunications, unforeseen code incompatibilities - * and occasional factors outside the authors' control, version numbering - * on the library has not always been consistent and straightforward. - * The following table summarizes matters since version 0.89c, which was - * the first widely used release: - * - * source png.h png.h shared-lib - * version string int version - * ------- ------ ----- ---------- - * 0.89c "1.0 beta 3" 0.89 89 1.0.89 - * 0.90 "1.0 beta 4" 0.90 90 0.90 [should have been 2.0.90] - * 0.95 "1.0 beta 5" 0.95 95 0.95 [should have been 2.0.95] - * 0.96 "1.0 beta 6" 0.96 96 0.96 [should have been 2.0.96] - * 0.97b "1.00.97 beta 7" 1.00.97 97 1.0.1 [should have been 2.0.97] - * 0.97c 0.97 97 2.0.97 - * 0.98 0.98 98 2.0.98 - * 0.99 0.99 98 2.0.99 - * 0.99a-m 0.99 99 2.0.99 - * 1.00 1.00 100 2.1.0 [100 should be 10000] - * 1.0.0 (from here on, the 100 2.1.0 [100 should be 10000] - * 1.0.1 png.h string is 10001 2.1.0 - * 1.0.1a-e identical to the 10002 from here on, the shared library - * 1.0.2 source version) 10002 is 2.V where V is the source code - * 1.0.2a-b 10003 version, except as noted. - * 1.0.3 10003 - * 1.0.3a-d 10004 - * 1.0.4 10004 - * 1.0.4a-f 10005 - * 1.0.5 (+ 2 patches) 10005 - * 1.0.5a-d 10006 - * 1.0.5e-r 10100 (not source compatible) - * 1.0.5s-v 10006 (not binary compatible) - * 1.0.6 (+ 3 patches) 10006 (still binary incompatible) - * 1.0.6d-f 10007 (still binary incompatible) - * 1.0.6g 10007 - * 1.0.6h 10007 10.6h (testing xy.z so-numbering) - * 1.0.6i 10007 10.6i - * 1.0.6j 10007 2.1.0.6j (incompatible with 1.0.0) - * 1.0.7beta11-14 DLLNUM 10007 2.1.0.7beta11-14 (binary compatible) - * 1.0.7beta15-18 1 10007 2.1.0.7beta15-18 (binary compatible) - * 1.0.7rc1-2 1 10007 2.1.0.7rc1-2 (binary compatible) - * 1.0.7 1 10007 (still compatible) - * 1.0.8beta1-4 1 10008 2.1.0.8beta1-4 - * 1.0.8rc1 1 10008 2.1.0.8rc1 - * 1.0.8 1 10008 2.1.0.8 - * 1.0.9beta1-6 1 10009 2.1.0.9beta1-6 - * 1.0.9rc1 1 10009 2.1.0.9rc1 - * 1.0.9beta7-10 1 10009 2.1.0.9beta7-10 - * 1.0.9rc2 1 10009 2.1.0.9rc2 - * 1.0.9 1 10009 2.1.0.9 - * 1.0.10beta1 1 10010 2.1.0.10beta1 - * 1.0.10rc1 1 10010 2.1.0.10rc1 - * 1.0.10 1 10010 2.1.0.10 - * 1.0.11beta1-3 1 10011 2.1.0.11beta1-3 - * 1.0.11rc1 1 10011 2.1.0.11rc1 - * 1.0.11 1 10011 2.1.0.11 - * 1.0.12beta1-2 2 10012 2.1.0.12beta1-2 - * 1.0.12rc1 2 10012 2.1.0.12rc1 - * 1.0.12 2 10012 2.1.0.12 - * 1.1.0a-f - 10100 2.1.1.0a-f (branch abandoned) - * 1.2.0beta1-2 2 10200 2.1.2.0beta1-2 - * 1.2.0beta3-5 3 10200 3.1.2.0beta3-5 - * 1.2.0rc1 3 10200 3.1.2.0rc1 - * 1.2.0 3 10200 3.1.2.0 - * 1.2.1beta1-4 3 10201 3.1.2.1beta1-4 - * 1.2.1rc1-2 3 10201 3.1.2.1rc1-2 - * 1.2.1 3 10201 3.1.2.1 - * 1.2.2beta1-6 12 10202 12.so.0.1.2.2beta1-6 - * 1.0.13beta1 10 10013 10.so.0.1.0.13beta1 - * 1.0.13rc1 10 10013 10.so.0.1.0.13rc1 - * 1.2.2rc1 12 10202 12.so.0.1.2.2rc1 - * 1.0.13 10 10013 10.so.0.1.0.13 - * 1.2.2 12 10202 12.so.0.1.2.2 - * 1.2.3rc1-6 12 10203 12.so.0.1.2.3rc1-6 - * 1.2.3 12 10203 12.so.0.1.2.3 - * 1.2.4beta1-3 13 10204 12.so.0.1.2.4beta1-3 - * 1.0.14rc1 13 10014 10.so.0.1.0.14rc1 - * 1.2.4rc1 13 10204 12.so.0.1.2.4rc1 - * 1.0.14 10 10014 10.so.0.1.0.14 - * 1.2.4 13 10204 12.so.0.1.2.4 - * 1.2.5beta1-2 13 10205 12.so.0.1.2.5beta1-2 - * 1.0.15rc1-3 10 10015 10.so.0.1.0.15rc1-3 - * 1.2.5rc1-3 13 10205 12.so.0.1.2.5rc1-3 - * 1.0.15 10 10015 10.so.0.1.0.15 - * 1.2.5 13 10205 12.so.0.1.2.5 - * 1.2.6beta1-4 13 10206 12.so.0.1.2.6beta1-4 - * 1.0.16 10 10016 10.so.0.1.0.16 - * 1.2.6 13 10206 12.so.0.1.2.6 - * 1.2.7beta1-2 13 10207 12.so.0.1.2.7beta1-2 - * 1.0.17rc1 10 10017 10.so.0.1.0.17rc1 - * 1.2.7rc1 13 10207 12.so.0.1.2.7rc1 - * 1.0.17 10 10017 10.so.0.1.0.17 - * 1.2.7 13 10207 12.so.0.1.2.7 - * 1.2.8beta1-5 13 10208 12.so.0.1.2.8beta1-5 - * 1.0.18rc1-5 10 10018 10.so.0.1.0.18rc1-5 - * 1.2.8rc1-5 13 10208 12.so.0.1.2.8rc1-5 - * 1.0.18 10 10018 10.so.0.1.0.18 - * 1.2.8 13 10208 12.so.0.1.2.8 - * 1.2.9beta1-3 13 10209 12.so.0.1.2.9beta1-3 - * 1.2.9beta4-11 13 10209 12.so.0.9[.0] - * 1.2.9rc1 13 10209 12.so.0.9[.0] - * 1.2.9 13 10209 12.so.0.9[.0] - * 1.2.10beta1-8 13 10210 12.so.0.10[.0] - * 1.2.10rc1-3 13 10210 12.so.0.10[.0] - * 1.2.10 13 10210 12.so.0.10[.0] - * 1.2.11beta1-4 13 10211 12.so.0.11[.0] - * 1.0.19rc1-5 10 10019 10.so.0.19[.0] - * 1.2.11rc1-5 13 10211 12.so.0.11[.0] - * 1.0.19 10 10019 10.so.0.19[.0] - * 1.2.11 13 10211 12.so.0.11[.0] - * 1.0.20 10 10020 10.so.0.20[.0] - * 1.2.12 13 10212 12.so.0.12[.0] - * 1.2.13beta1 13 10213 12.so.0.13[.0] - * 1.0.21 10 10021 10.so.0.21[.0] - * 1.2.13 13 10213 12.so.0.13[.0] - * 1.2.14beta1-2 13 10214 12.so.0.14[.0] - * 1.0.22rc1 10 10022 10.so.0.22[.0] - * 1.2.14rc1 13 10214 12.so.0.14[.0] - * 1.0.22 10 10022 10.so.0.22[.0] - * 1.2.14 13 10214 12.so.0.14[.0] - * 1.2.15beta1-6 13 10215 12.so.0.15[.0] - * 1.0.23rc1-5 10 10023 10.so.0.23[.0] - * 1.2.15rc1-5 13 10215 12.so.0.15[.0] - * 1.0.23 10 10023 10.so.0.23[.0] - * 1.2.15 13 10215 12.so.0.15[.0] - * 1.2.16beta1-2 13 10216 12.so.0.16[.0] - * 1.2.16rc1 13 10216 12.so.0.16[.0] - * 1.0.24 10 10024 10.so.0.24[.0] - * 1.2.16 13 10216 12.so.0.16[.0] - * 1.2.17beta1-2 13 10217 12.so.0.17[.0] - * 1.0.25rc1 10 10025 10.so.0.25[.0] - * 1.2.17rc1-3 13 10217 12.so.0.17[.0] - * 1.0.25 10 10025 10.so.0.25[.0] - * 1.2.17 13 10217 12.so.0.17[.0] - * 1.0.26 10 10026 10.so.0.26[.0] - * 1.2.18 13 10218 12.so.0.18[.0] - * 1.2.19beta1-31 13 10219 12.so.0.19[.0] - * 1.0.27rc1-6 10 10027 10.so.0.27[.0] - * 1.2.19rc1-6 13 10219 12.so.0.19[.0] - * 1.0.27 10 10027 10.so.0.27[.0] - * 1.2.19 13 10219 12.so.0.19[.0] - * 1.2.20beta01-04 13 10220 12.so.0.20[.0] - * 1.0.28rc1-6 10 10028 10.so.0.28[.0] - * 1.2.20rc1-6 13 10220 12.so.0.20[.0] - * 1.0.28 10 10028 10.so.0.28[.0] - * 1.2.20 13 10220 12.so.0.20[.0] - * 1.2.21beta1-2 13 10221 12.so.0.21[.0] - * 1.2.21rc1-3 13 10221 12.so.0.21[.0] - * 1.0.29 10 10029 10.so.0.29[.0] - * 1.2.21 13 10221 12.so.0.21[.0] - * 1.2.22beta1-4 13 10222 12.so.0.22[.0] - * 1.0.30rc1 10 10030 10.so.0.30[.0] - * 1.2.22rc1 13 10222 12.so.0.22[.0] - * 1.0.30 10 10030 10.so.0.30[.0] - * 1.2.22 13 10222 12.so.0.22[.0] - * 1.2.23beta01-05 13 10223 12.so.0.23[.0] - * 1.2.23rc01 13 10223 12.so.0.23[.0] - * 1.2.23 13 10223 12.so.0.23[.0] - * 1.2.24beta01-02 13 10224 12.so.0.24[.0] - * 1.2.24rc01 13 10224 12.so.0.24[.0] - * 1.2.24 13 10224 12.so.0.24[.0] - * 1.2.25beta01-06 13 10225 12.so.0.25[.0] - * 1.2.25rc01-02 13 10225 12.so.0.25[.0] - * 1.0.31 10 10031 10.so.0.31[.0] - * 1.2.25 13 10225 12.so.0.25[.0] - * 1.2.26beta01-06 13 10226 12.so.0.26[.0] - * 1.2.26rc01 13 10226 12.so.0.26[.0] - * 1.2.26 13 10226 12.so.0.26[.0] - * 1.0.32 10 10032 10.so.0.32[.0] - * 1.2.27beta01-06 13 10227 12.so.0.27[.0] - * 1.2.27rc01 13 10227 12.so.0.27[.0] - * 1.0.33 10 10033 10.so.0.33[.0] - * 1.2.27 13 10227 12.so.0.27[.0] - * 1.0.34 10 10034 10.so.0.34[.0] - * 1.2.28 13 10228 12.so.0.28[.0] - * 1.2.29beta01-03 13 10229 12.so.0.29[.0] - * 1.2.29rc01 13 10229 12.so.0.29[.0] - * 1.0.35 10 10035 10.so.0.35[.0] - * 1.2.29 13 10229 12.so.0.29[.0] - * 1.0.37 10 10037 10.so.0.37[.0] - * 1.2.30beta01-04 13 10230 12.so.0.30[.0] - * 1.0.38rc01-08 10 10038 10.so.0.38[.0] - * 1.2.30rc01-08 13 10230 12.so.0.30[.0] - * 1.0.38 10 10038 10.so.0.38[.0] - * 1.2.30 13 10230 12.so.0.30[.0] - * 1.0.39rc01-03 10 10039 10.so.0.39[.0] - * 1.2.31rc01-03 13 10231 12.so.0.31[.0] - * 1.0.39 10 10039 10.so.0.39[.0] - * 1.2.31 13 10231 12.so.0.31[.0] - * 1.2.32beta01-02 13 10232 12.so.0.32[.0] - * 1.0.40rc01 10 10040 10.so.0.40[.0] - * 1.2.32rc01 13 10232 12.so.0.32[.0] - * 1.0.40 10 10040 10.so.0.40[.0] - * 1.2.32 13 10232 12.so.0.32[.0] - * 1.2.33beta01-02 13 10233 12.so.0.33[.0] - * 1.2.33rc01-02 13 10233 12.so.0.33[.0] - * 1.0.41rc01 10 10041 10.so.0.41[.0] - * 1.2.33 13 10233 12.so.0.33[.0] - * 1.0.41 10 10041 10.so.0.41[.0] - * 1.2.34beta01-07 13 10234 12.so.0.34[.0] - * 1.0.42rc01 10 10042 10.so.0.42[.0] - * 1.2.34rc01 13 10234 12.so.0.34[.0] - * 1.0.42 10 10042 10.so.0.42[.0] - * 1.2.34 13 10234 12.so.0.34[.0] - * - * Henceforth the source version will match the shared-library major - * and minor numbers; the shared-library major version number will be - * used for changes in backward compatibility, as it is intended. The - * PNG_LIBPNG_VER macro, which is not used within libpng but is available - * for applications, is an unsigned integer of the form xyyzz corresponding - * to the source version x.y.z (leading zeros in y and z). Beta versions - * were given the previous public release number plus a letter, until - * version 1.0.6j; from then on they were given the upcoming public - * release number plus "betaNN" or "rcNN". - * - * Binary incompatibility exists only when applications make direct access - * to the info_ptr or png_ptr members through png.h, and the compiled - * application is loaded with a different version of the library. - * - * DLLNUM will change each time there are forward or backward changes - * in binary compatibility (e.g., when a new feature is added). - * - * See libpng.txt or libpng.3 for more information. The PNG specification - * is available as a W3C Recommendation and as an ISO Specification, - * defines should NOT be changed. - */ -#define PNG_INFO_gAMA 0x0001 -#define PNG_INFO_sBIT 0x0002 -#define PNG_INFO_cHRM 0x0004 -#define PNG_INFO_PLTE 0x0008 -#define PNG_INFO_tRNS 0x0010 -#define PNG_INFO_bKGD 0x0020 -#define PNG_INFO_hIST 0x0040 -#define PNG_INFO_pHYs 0x0080 -#define PNG_INFO_oFFs 0x0100 -#define PNG_INFO_tIME 0x0200 -#define PNG_INFO_pCAL 0x0400 -#define PNG_INFO_sRGB 0x0800 /* GR-P, 0.96a */ -#define PNG_INFO_iCCP 0x1000 /* ESR, 1.0.6 */ -#define PNG_INFO_sPLT 0x2000 /* ESR, 1.0.6 */ -#define PNG_INFO_sCAL 0x4000 /* ESR, 1.0.6 */ -#define PNG_INFO_IDAT 0x8000L /* ESR, 1.0.6 */ - -/* This is used for the transformation routines, as some of them - * change these values for the row. It also should enable using - * the routines for other purposes. - */ -typedef struct png_row_info_struct -{ - png_uint_32 width; /* width of row */ - png_uint_32 rowbytes; /* number of bytes in row */ - png_byte color_type; /* color type of row */ - png_byte bit_depth; /* bit depth of row */ - png_byte channels; /* number of channels (1, 2, 3, or 4) */ - png_byte pixel_depth; /* bits per pixel (depth * channels) */ -} png_row_info; - -typedef png_row_info FAR * png_row_infop; -typedef png_row_info FAR * FAR * png_row_infopp; - -/* These are the function types for the I/O functions and for the functions - * that allow the user to override the default I/O functions with his or her - * own. The png_error_ptr type should match that of user-supplied warning - * and error functions, while the png_rw_ptr type should match that of the - * user read/write data functions. - */ -typedef struct png_struct_def png_struct; -typedef png_struct FAR * png_structp; - -typedef void (PNGAPI *png_error_ptr) PNGARG((png_structp, png_const_charp)); -typedef void (PNGAPI *png_rw_ptr) PNGARG((png_structp, png_bytep, png_size_t)); -typedef void (PNGAPI *png_flush_ptr) PNGARG((png_structp)); -typedef void (PNGAPI *png_read_status_ptr) PNGARG((png_structp, png_uint_32, - int)); -typedef void (PNGAPI *png_write_status_ptr) PNGARG((png_structp, png_uint_32, - int)); - -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -typedef void (PNGAPI *png_progressive_info_ptr) PNGARG((png_structp, png_infop)); -typedef void (PNGAPI *png_progressive_end_ptr) PNGARG((png_structp, png_infop)); -typedef void (PNGAPI *png_progressive_row_ptr) PNGARG((png_structp, png_bytep, - png_uint_32, int)); -#endif - -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_LEGACY_SUPPORTED) -typedef void (PNGAPI *png_user_transform_ptr) PNGARG((png_structp, - png_row_infop, png_bytep)); -#endif - -#if defined(PNG_USER_CHUNKS_SUPPORTED) -typedef int (PNGAPI *png_user_chunk_ptr) PNGARG((png_structp, png_unknown_chunkp)); -#endif -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) -typedef void (PNGAPI *png_unknown_chunk_ptr) PNGARG((png_structp)); -#endif - -/* Transform masks for the high-level interface */ -#define PNG_TRANSFORM_IDENTITY 0x0000 /* read and write */ -#define PNG_TRANSFORM_STRIP_16 0x0001 /* read only */ -#define PNG_TRANSFORM_STRIP_ALPHA 0x0002 /* read only */ -#define PNG_TRANSFORM_PACKING 0x0004 /* read and write */ -#define PNG_TRANSFORM_PACKSWAP 0x0008 /* read and write */ -#define PNG_TRANSFORM_EXPAND 0x0010 /* read only */ -#define PNG_TRANSFORM_INVERT_MONO 0x0020 /* read and write */ -#define PNG_TRANSFORM_SHIFT 0x0040 /* read and write */ -#define PNG_TRANSFORM_BGR 0x0080 /* read and write */ -#define PNG_TRANSFORM_SWAP_ALPHA 0x0100 /* read and write */ -#define PNG_TRANSFORM_SWAP_ENDIAN 0x0200 /* read and write */ -#define PNG_TRANSFORM_INVERT_ALPHA 0x0400 /* read and write */ -#define PNG_TRANSFORM_STRIP_FILLER 0x0800 /* WRITE only, deprecated */ -/* Added to libpng-1.2.34 */ -#define PNG_TRANSFORM_STRIP_FILLER_BEFORE 0x0800 /* WRITE only */ -#define PNG_TRANSFORM_STRIP_FILLER_AFTER 0x1000 /* WRITE only */ - -/* Flags for MNG supported features */ -#define PNG_FLAG_MNG_EMPTY_PLTE 0x01 -#define PNG_FLAG_MNG_FILTER_64 0x04 -#define PNG_ALL_MNG_FEATURES 0x05 - -typedef png_voidp (*png_malloc_ptr) PNGARG((png_structp, png_size_t)); -typedef void (*png_free_ptr) PNGARG((png_structp, png_voidp)); - -/* The structure that holds the information to read and write PNG files. - * The only people who need to care about what is inside of this are the - * people who will be modifying the library for their own special needs. - * It should NOT be accessed directly by an application, except to store - * the jmp_buf. - */ - -struct png_struct_def -{ -#ifdef PNG_SETJMP_SUPPORTED - jmp_buf jmpbuf; /* used in png_error */ -#endif - png_error_ptr error_fn; /* function for printing errors and aborting */ - png_error_ptr warning_fn; /* function for printing warnings */ - png_voidp error_ptr; /* user supplied struct for error functions */ - png_rw_ptr write_data_fn; /* function for writing output data */ - png_rw_ptr read_data_fn; /* function for reading input data */ - png_voidp io_ptr; /* ptr to application struct for I/O functions */ - -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) - png_user_transform_ptr read_user_transform_fn; /* user read transform */ -#endif - -#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) - png_user_transform_ptr write_user_transform_fn; /* user write transform */ -#endif - -/* These were added in libpng-1.0.2 */ -#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) - png_voidp user_transform_ptr; /* user supplied struct for user transform */ - png_byte user_transform_depth; /* bit depth of user transformed pixels */ - png_byte user_transform_channels; /* channels in user transformed pixels */ -#endif -#endif - - png_uint_32 mode; /* tells us where we are in the PNG file */ - png_uint_32 flags; /* flags indicating various things to libpng */ - png_uint_32 transformations; /* which transformations to perform */ - - z_stream zstream; /* pointer to decompression structure (below) */ - png_bytep zbuf; /* buffer for zlib */ - png_size_t zbuf_size; /* size of zbuf */ - int zlib_level; /* holds zlib compression level */ - int zlib_method; /* holds zlib compression method */ - int zlib_window_bits; /* holds zlib compression window bits */ - int zlib_mem_level; /* holds zlib compression memory level */ - int zlib_strategy; /* holds zlib compression strategy */ - - png_uint_32 width; /* width of image in pixels */ - png_uint_32 height; /* height of image in pixels */ - png_uint_32 num_rows; /* number of rows in current pass */ - png_uint_32 usr_width; /* width of row at start of write */ - png_uint_32 rowbytes; /* size of row in bytes */ - png_uint_32 irowbytes; /* size of current interlaced row in bytes */ - png_uint_32 iwidth; /* width of current interlaced row in pixels */ - png_uint_32 row_number; /* current row in interlace pass */ - png_bytep prev_row; /* buffer to save previous (unfiltered) row */ - png_bytep row_buf; /* buffer to save current (unfiltered) row */ -#ifndef PNG_NO_WRITE_FILTER - png_bytep sub_row; /* buffer to save "sub" row when filtering */ - png_bytep up_row; /* buffer to save "up" row when filtering */ - png_bytep avg_row; /* buffer to save "avg" row when filtering */ - png_bytep paeth_row; /* buffer to save "Paeth" row when filtering */ -#endif - png_row_info row_info; /* used for transformation routines */ - - png_uint_32 idat_size; /* current IDAT size for read */ - png_uint_32 crc; /* current chunk CRC value */ - png_colorp palette; /* palette from the input file */ - png_uint_16 num_palette; /* number of color entries in palette */ - png_uint_16 num_trans; /* number of transparency values */ - png_byte chunk_name[5]; /* null-terminated name of current chunk */ - png_byte compression; /* file compression type (always 0) */ - png_byte filter; /* file filter type (always 0) */ - png_byte interlaced; /* PNG_INTERLACE_NONE, PNG_INTERLACE_ADAM7 */ - png_byte pass; /* current interlace pass (0 - 6) */ - png_byte do_filter; /* row filter flags (see PNG_FILTER_ below ) */ - png_byte color_type; /* color type of file */ - png_byte bit_depth; /* bit depth of file */ - png_byte usr_bit_depth; /* bit depth of users row */ - png_byte pixel_depth; /* number of bits per pixel */ - png_byte channels; /* number of channels in file */ - png_byte usr_channels; /* channels at start of write */ - png_byte sig_bytes; /* magic bytes read/written from start of file */ - -#if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED) -#ifdef PNG_LEGACY_SUPPORTED - png_byte filler; /* filler byte for pixel expansion */ -#else - png_uint_16 filler; /* filler bytes for pixel expansion */ -#endif -#endif - -#if defined(PNG_bKGD_SUPPORTED) - png_byte background_gamma_type; -# ifdef PNG_FLOATING_POINT_SUPPORTED - float background_gamma; -# endif - png_color_16 background; /* background color in screen gamma space */ -#if defined(PNG_READ_GAMMA_SUPPORTED) - png_color_16 background_1; /* background normalized to gamma 1.0 */ -#endif -#endif /* PNG_bKGD_SUPPORTED */ - -#if defined(PNG_WRITE_FLUSH_SUPPORTED) - png_flush_ptr output_flush_fn;/* Function for flushing output */ - png_uint_32 flush_dist; /* how many rows apart to flush, 0 - no flush */ - png_uint_32 flush_rows; /* number of rows written since last flush */ -#endif - -#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) - int gamma_shift; /* number of "insignificant" bits 16-bit gamma */ -#ifdef PNG_FLOATING_POINT_SUPPORTED - float gamma; /* file gamma value */ - float screen_gamma; /* screen gamma value (display_exponent) */ -#endif -#endif - -#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) - png_bytep gamma_table; /* gamma table for 8-bit depth files */ - png_bytep gamma_from_1; /* converts from 1.0 to screen */ - png_bytep gamma_to_1; /* converts from file to 1.0 */ - png_uint_16pp gamma_16_table; /* gamma table for 16-bit depth files */ - png_uint_16pp gamma_16_from_1; /* converts from 1.0 to screen */ - png_uint_16pp gamma_16_to_1; /* converts from file to 1.0 */ -#endif - -#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_sBIT_SUPPORTED) - png_color_8 sig_bit; /* significant bits in each available channel */ -#endif - -#if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED) - png_color_8 shift; /* shift for significant bit tranformation */ -#endif - -#if defined(PNG_tRNS_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) \ - || defined(PNG_READ_EXPAND_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) - png_bytep trans; /* transparency values for paletted files */ - png_color_16 trans_values; /* transparency values for non-paletted files */ -#endif - - png_read_status_ptr read_row_fn; /* called after each row is decoded */ - png_write_status_ptr write_row_fn; /* called after each row is encoded */ -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED - png_progressive_info_ptr info_fn; /* called after header data fully read */ - png_progressive_row_ptr row_fn; /* called after each prog. row is decoded */ - png_progressive_end_ptr end_fn; /* called after image is complete */ - png_bytep save_buffer_ptr; /* current location in save_buffer */ - png_bytep save_buffer; /* buffer for previously read data */ - png_bytep current_buffer_ptr; /* current location in current_buffer */ - png_bytep current_buffer; /* buffer for recently used data */ - png_uint_32 push_length; /* size of current input chunk */ - png_uint_32 skip_length; /* bytes to skip in input data */ - png_size_t save_buffer_size; /* amount of data now in save_buffer */ - png_size_t save_buffer_max; /* total size of save_buffer */ - png_size_t buffer_size; /* total amount of available input data */ - png_size_t current_buffer_size; /* amount of data now in current_buffer */ - int process_mode; /* what push library is currently doing */ - int cur_palette; /* current push library palette index */ - -# if defined(PNG_TEXT_SUPPORTED) - png_size_t current_text_size; /* current size of text input data */ - png_size_t current_text_left; /* how much text left to read in input */ - png_charp current_text; /* current text chunk buffer */ - png_charp current_text_ptr; /* current location in current_text */ -# endif /* PNG_TEXT_SUPPORTED */ -#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ - -#if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__) -/* for the Borland special 64K segment handler */ - png_bytepp offset_table_ptr; - png_bytep offset_table; - png_uint_16 offset_table_number; - png_uint_16 offset_table_count; - png_uint_16 offset_table_count_free; -#endif - -#if defined(PNG_READ_DITHER_SUPPORTED) - png_bytep palette_lookup; /* lookup table for dithering */ - png_bytep dither_index; /* index translation for palette files */ -#endif - -#if defined(PNG_READ_DITHER_SUPPORTED) || defined(PNG_hIST_SUPPORTED) - png_uint_16p hist; /* histogram */ -#endif - -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - png_byte heuristic_method; /* heuristic for row filter selection */ - png_byte num_prev_filters; /* number of weights for previous rows */ - png_bytep prev_filters; /* filter type(s) of previous row(s) */ - png_uint_16p filter_weights; /* weight(s) for previous line(s) */ - png_uint_16p inv_filter_weights; /* 1/weight(s) for previous line(s) */ - png_uint_16p filter_costs; /* relative filter calculation cost */ - png_uint_16p inv_filter_costs; /* 1/relative filter calculation cost */ -#endif - -#if defined(PNG_TIME_RFC1123_SUPPORTED) - png_charp time_buffer; /* String to hold RFC 1123 time text */ -#endif - -/* New members added in libpng-1.0.6 */ - -#ifdef PNG_FREE_ME_SUPPORTED - png_uint_32 free_me; /* flags items libpng is responsible for freeing */ -#endif - -#if defined(PNG_USER_CHUNKS_SUPPORTED) - png_voidp user_chunk_ptr; - png_user_chunk_ptr read_user_chunk_fn; /* user read chunk handler */ -#endif - -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) - int num_chunk_list; - png_bytep chunk_list; -#endif - -/* New members added in libpng-1.0.3 */ -#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) - png_byte rgb_to_gray_status; - /* These were changed from png_byte in libpng-1.0.6 */ - png_uint_16 rgb_to_gray_red_coeff; - png_uint_16 rgb_to_gray_green_coeff; - png_uint_16 rgb_to_gray_blue_coeff; -#endif - -/* New member added in libpng-1.0.4 (renamed in 1.0.9) */ -#if defined(PNG_MNG_FEATURES_SUPPORTED) || \ - defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \ - defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) -/* changed from png_byte to png_uint_32 at version 1.2.0 */ -#ifdef PNG_1_0_X - png_byte mng_features_permitted; -#else - png_uint_32 mng_features_permitted; -#endif /* PNG_1_0_X */ -#endif - -/* New member added in libpng-1.0.7 */ -#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) - png_fixed_point int_gamma; -#endif - -/* New member added in libpng-1.0.9, ifdef'ed out in 1.0.12, enabled in 1.2.0 */ -#if defined(PNG_MNG_FEATURES_SUPPORTED) - png_byte filter_type; -#endif - -#if defined(PNG_1_0_X) -/* New member added in libpng-1.0.10, ifdef'ed out in 1.2.0 */ - png_uint_32 row_buf_size; -#endif - -/* New members added in libpng-1.2.0 */ -#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) -# if !defined(PNG_1_0_X) -# if defined(PNG_MMX_CODE_SUPPORTED) - png_byte mmx_bitdepth_threshold; - png_uint_32 mmx_rowbytes_threshold; -# endif - png_uint_32 asm_flags; -# endif -#endif - -/* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */ -#ifdef PNG_USER_MEM_SUPPORTED - png_voidp mem_ptr; /* user supplied struct for mem functions */ - png_malloc_ptr malloc_fn; /* function for allocating memory */ - png_free_ptr free_fn; /* function for freeing memory */ -#endif - -/* New member added in libpng-1.0.13 and 1.2.0 */ - png_bytep big_row_buf; /* buffer to save current (unfiltered) row */ - -#if defined(PNG_READ_DITHER_SUPPORTED) -/* The following three members were added at version 1.0.14 and 1.2.4 */ - png_bytep dither_sort; /* working sort array */ - png_bytep index_to_palette; /* where the original index currently is */ - /* in the palette */ - png_bytep palette_to_index; /* which original index points to this */ - /* palette color */ -#endif - -/* New members added in libpng-1.0.16 and 1.2.6 */ - png_byte compression_type; - -#ifdef PNG_SET_USER_LIMITS_SUPPORTED - png_uint_32 user_width_max; - png_uint_32 user_height_max; -#endif - -/* New member added in libpng-1.0.25 and 1.2.17 */ -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) - /* storage for unknown chunk that the library doesn't recognize. */ - png_unknown_chunk unknown_chunk; -#endif - -/* New members added in libpng-1.2.26 */ - png_uint_32 old_big_row_buf_size, old_prev_row_size; - -/* New member added in libpng-1.2.30 */ - png_charp chunkdata; /* buffer for reading chunk data */ - -}; - - -/* This triggers a compiler error in png.c, if png.c and png.h - * do not agree upon the version number. - */ -typedef png_structp version_1_2_34; - -typedef png_struct FAR * FAR * png_structpp; - -/* Here are the function definitions most commonly used. This is not - * the place to find out how to use libpng. See libpng.txt for the - * full explanation, see example.c for the summary. This just provides - * a simple one line description of the use of each function. - */ - -/* Returns the version number of the library */ -extern PNG_EXPORT(png_uint_32,png_access_version_number) PNGARG((void)); - -/* Tell lib we have already handled the first magic bytes. - * Handling more than 8 bytes from the beginning of the file is an error. - */ -extern PNG_EXPORT(void,png_set_sig_bytes) PNGARG((png_structp png_ptr, - int num_bytes)); - -/* Check sig[start] through sig[start + num_to_check - 1] to see if it's a - * PNG file. Returns zero if the supplied bytes match the 8-byte PNG - * signature, and non-zero otherwise. Having num_to_check == 0 or - * start > 7 will always fail (ie return non-zero). - */ -extern PNG_EXPORT(int,png_sig_cmp) PNGARG((png_bytep sig, png_size_t start, - png_size_t num_to_check)); - -/* Simple signature checking function. This is the same as calling - * png_check_sig(sig, n) := !png_sig_cmp(sig, 0, n). - */ -extern PNG_EXPORT(int,png_check_sig) PNGARG((png_bytep sig, int num)); - -/* Allocate and initialize png_ptr struct for reading, and any other memory. */ -extern PNG_EXPORT(png_structp,png_create_read_struct) - PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, - png_error_ptr error_fn, png_error_ptr warn_fn)); - -/* Allocate and initialize png_ptr struct for writing, and any other memory */ -extern PNG_EXPORT(png_structp,png_create_write_struct) - PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, - png_error_ptr error_fn, png_error_ptr warn_fn)); - -#ifdef PNG_WRITE_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_compression_buffer_size) - PNGARG((png_structp png_ptr)); -#endif - -#ifdef PNG_WRITE_SUPPORTED -extern PNG_EXPORT(void,png_set_compression_buffer_size) - PNGARG((png_structp png_ptr, png_uint_32 size)); -#endif - -/* Reset the compression stream */ -extern PNG_EXPORT(int,png_reset_zstream) PNGARG((png_structp png_ptr)); - -/* New functions added in libpng-1.0.2 (not enabled by default until 1.2.0) */ -#ifdef PNG_USER_MEM_SUPPORTED -extern PNG_EXPORT(png_structp,png_create_read_struct_2) - PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, - png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr, - png_malloc_ptr malloc_fn, png_free_ptr free_fn)); -extern PNG_EXPORT(png_structp,png_create_write_struct_2) - PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, - png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr, - png_malloc_ptr malloc_fn, png_free_ptr free_fn)); -#endif - -/* Write a PNG chunk - size, type, (optional) data, CRC. */ -extern PNG_EXPORT(void,png_write_chunk) PNGARG((png_structp png_ptr, - png_bytep chunk_name, png_bytep data, png_size_t length)); - -/* Write the start of a PNG chunk - length and chunk name. */ -extern PNG_EXPORT(void,png_write_chunk_start) PNGARG((png_structp png_ptr, - png_bytep chunk_name, png_uint_32 length)); - -/* Write the data of a PNG chunk started with png_write_chunk_start(). */ -extern PNG_EXPORT(void,png_write_chunk_data) PNGARG((png_structp png_ptr, - png_bytep data, png_size_t length)); - -/* Finish a chunk started with png_write_chunk_start() (includes CRC). */ -extern PNG_EXPORT(void,png_write_chunk_end) PNGARG((png_structp png_ptr)); - -/* Allocate and initialize the info structure */ -extern PNG_EXPORT(png_infop,png_create_info_struct) - PNGARG((png_structp png_ptr)); - -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -/* Initialize the info structure (old interface - DEPRECATED) */ -extern PNG_EXPORT(void,png_info_init) PNGARG((png_infop info_ptr)); -#undef png_info_init -#define png_info_init(info_ptr) png_info_init_3(&info_ptr,\ - png_sizeof(png_info)); -#endif - -extern PNG_EXPORT(void,png_info_init_3) PNGARG((png_infopp info_ptr, - png_size_t png_info_struct_size)); - -/* Writes all the PNG information before the image. */ -extern PNG_EXPORT(void,png_write_info_before_PLTE) PNGARG((png_structp png_ptr, - png_infop info_ptr)); -extern PNG_EXPORT(void,png_write_info) PNGARG((png_structp png_ptr, - png_infop info_ptr)); - -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED -/* read the information before the actual image data. */ -extern PNG_EXPORT(void,png_read_info) PNGARG((png_structp png_ptr, - png_infop info_ptr)); -#endif - -#if defined(PNG_TIME_RFC1123_SUPPORTED) -extern PNG_EXPORT(png_charp,png_convert_to_rfc1123) - PNGARG((png_structp png_ptr, png_timep ptime)); -#endif - -#if !defined(_WIN32_WCE) -/* "time.h" functions are not supported on WindowsCE */ -#if defined(PNG_WRITE_tIME_SUPPORTED) -/* convert from a struct tm to png_time */ -extern PNG_EXPORT(void,png_convert_from_struct_tm) PNGARG((png_timep ptime, - struct tm FAR * ttime)); - -/* convert from time_t to png_time. Uses gmtime() */ -extern PNG_EXPORT(void,png_convert_from_time_t) PNGARG((png_timep ptime, - time_t ttime)); -#endif /* PNG_WRITE_tIME_SUPPORTED */ -#endif /* _WIN32_WCE */ - -#if defined(PNG_READ_EXPAND_SUPPORTED) -/* Expand data to 24-bit RGB, or 8-bit grayscale, with alpha if available. */ -extern PNG_EXPORT(void,png_set_expand) PNGARG((png_structp png_ptr)); -#if !defined(PNG_1_0_X) -extern PNG_EXPORT(void,png_set_expand_gray_1_2_4_to_8) PNGARG((png_structp - png_ptr)); -#endif -extern PNG_EXPORT(void,png_set_palette_to_rgb) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(void,png_set_tRNS_to_alpha) PNGARG((png_structp png_ptr)); -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -/* Deprecated */ -extern PNG_EXPORT(void,png_set_gray_1_2_4_to_8) PNGARG((png_structp png_ptr)); -#endif -#endif - -#if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED) -/* Use blue, green, red order for pixels. */ -extern PNG_EXPORT(void,png_set_bgr) PNGARG((png_structp png_ptr)); -#endif - -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) -/* Expand the grayscale to 24-bit RGB if necessary. */ -extern PNG_EXPORT(void,png_set_gray_to_rgb) PNGARG((png_structp png_ptr)); -#endif - -#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) -/* Reduce RGB to grayscale. */ -#ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_rgb_to_gray) PNGARG((png_structp png_ptr, - int error_action, double red, double green )); -#endif -extern PNG_EXPORT(void,png_set_rgb_to_gray_fixed) PNGARG((png_structp png_ptr, - int error_action, png_fixed_point red, png_fixed_point green )); -extern PNG_EXPORT(png_byte,png_get_rgb_to_gray_status) PNGARG((png_structp - png_ptr)); -#endif - -extern PNG_EXPORT(void,png_build_grayscale_palette) PNGARG((int bit_depth, - png_colorp palette)); - -#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED) -extern PNG_EXPORT(void,png_set_strip_alpha) PNGARG((png_structp png_ptr)); -#endif - -#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) || \ - defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED) -extern PNG_EXPORT(void,png_set_swap_alpha) PNGARG((png_structp png_ptr)); -#endif - -#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) || \ - defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) -extern PNG_EXPORT(void,png_set_invert_alpha) PNGARG((png_structp png_ptr)); -#endif - -#if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED) -/* Add a filler byte to 8-bit Gray or 24-bit RGB images. */ -extern PNG_EXPORT(void,png_set_filler) PNGARG((png_structp png_ptr, - png_uint_32 filler, int flags)); -/* The values of the PNG_FILLER_ defines should NOT be changed */ -#define PNG_FILLER_BEFORE 0 -#define PNG_FILLER_AFTER 1 -/* Add an alpha byte to 8-bit Gray or 24-bit RGB images. */ -#if !defined(PNG_1_0_X) -extern PNG_EXPORT(void,png_set_add_alpha) PNGARG((png_structp png_ptr, - png_uint_32 filler, int flags)); -#endif -#endif /* PNG_READ_FILLER_SUPPORTED || PNG_WRITE_FILLER_SUPPORTED */ - -#if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED) -/* Swap bytes in 16-bit depth files. */ -extern PNG_EXPORT(void,png_set_swap) PNGARG((png_structp png_ptr)); -#endif - -#if defined(PNG_READ_PACK_SUPPORTED) || defined(PNG_WRITE_PACK_SUPPORTED) -/* Use 1 byte per pixel in 1, 2, or 4-bit depth files. */ -extern PNG_EXPORT(void,png_set_packing) PNGARG((png_structp png_ptr)); -#endif - -#if defined(PNG_READ_PACKSWAP_SUPPORTED) || defined(PNG_WRITE_PACKSWAP_SUPPORTED) -/* Swap packing order of pixels in bytes. */ -extern PNG_EXPORT(void,png_set_packswap) PNGARG((png_structp png_ptr)); -#endif - -#if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED) -/* Converts files to legal bit depths. */ -extern PNG_EXPORT(void,png_set_shift) PNGARG((png_structp png_ptr, - png_color_8p true_bits)); -#endif - -#if defined(PNG_READ_INTERLACING_SUPPORTED) || \ - defined(PNG_WRITE_INTERLACING_SUPPORTED) -/* Have the code handle the interlacing. Returns the number of passes. */ -extern PNG_EXPORT(int,png_set_interlace_handling) PNGARG((png_structp png_ptr)); -#endif - -#if defined(PNG_READ_INVERT_SUPPORTED) || defined(PNG_WRITE_INVERT_SUPPORTED) -/* Invert monochrome files */ -extern PNG_EXPORT(void,png_set_invert_mono) PNGARG((png_structp png_ptr)); -#endif - -#if defined(PNG_READ_BACKGROUND_SUPPORTED) -/* Handle alpha and tRNS by replacing with a background color. */ -#ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_background) PNGARG((png_structp png_ptr, - png_color_16p background_color, int background_gamma_code, - int need_expand, double background_gamma)); -#endif -#define PNG_BACKGROUND_GAMMA_UNKNOWN 0 -#define PNG_BACKGROUND_GAMMA_SCREEN 1 -#define PNG_BACKGROUND_GAMMA_FILE 2 -#define PNG_BACKGROUND_GAMMA_UNIQUE 3 -#endif - -#if defined(PNG_READ_16_TO_8_SUPPORTED) -/* strip the second byte of information from a 16-bit depth file. */ -extern PNG_EXPORT(void,png_set_strip_16) PNGARG((png_structp png_ptr)); -#endif - -#if defined(PNG_READ_DITHER_SUPPORTED) -/* Turn on dithering, and reduce the palette to the number of colors available. */ -extern PNG_EXPORT(void,png_set_dither) PNGARG((png_structp png_ptr, - png_colorp palette, int num_palette, int maximum_colors, - png_uint_16p histogram, int full_dither)); -#endif - -#if defined(PNG_READ_GAMMA_SUPPORTED) -/* Handle gamma correction. Screen_gamma=(display_exponent) */ -#ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_gamma) PNGARG((png_structp png_ptr, - double screen_gamma, double default_file_gamma)); -#endif -#endif - -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \ - defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) -/* Permit or disallow empty PLTE (0: not permitted, 1: permitted) */ -/* Deprecated and will be removed. Use png_permit_mng_features() instead. */ -extern PNG_EXPORT(void,png_permit_empty_plte) PNGARG((png_structp png_ptr, - int empty_plte_permitted)); -#endif -#endif - -#if defined(PNG_WRITE_FLUSH_SUPPORTED) -/* Set how many lines between output flushes - 0 for no flushing */ -extern PNG_EXPORT(void,png_set_flush) PNGARG((png_structp png_ptr, int nrows)); -/* Flush the current PNG output buffer */ -extern PNG_EXPORT(void,png_write_flush) PNGARG((png_structp png_ptr)); -#endif - -/* optional update palette with requested transformations */ -extern PNG_EXPORT(void,png_start_read_image) PNGARG((png_structp png_ptr)); - -/* optional call to update the users info structure */ -extern PNG_EXPORT(void,png_read_update_info) PNGARG((png_structp png_ptr, - png_infop info_ptr)); - -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED -/* read one or more rows of image data. */ -extern PNG_EXPORT(void,png_read_rows) PNGARG((png_structp png_ptr, - png_bytepp row, png_bytepp display_row, png_uint_32 num_rows)); -#endif - -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED -/* read a row of data. */ -extern PNG_EXPORT(void,png_read_row) PNGARG((png_structp png_ptr, - png_bytep row, - png_bytep display_row)); -#endif - -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED -/* read the whole image into memory at once. */ -extern PNG_EXPORT(void,png_read_image) PNGARG((png_structp png_ptr, - png_bytepp image)); -#endif - -/* write a row of image data */ -extern PNG_EXPORT(void,png_write_row) PNGARG((png_structp png_ptr, - png_bytep row)); - -/* write a few rows of image data */ -extern PNG_EXPORT(void,png_write_rows) PNGARG((png_structp png_ptr, - png_bytepp row, png_uint_32 num_rows)); - -/* write the image data */ -extern PNG_EXPORT(void,png_write_image) PNGARG((png_structp png_ptr, - png_bytepp image)); - -/* writes the end of the PNG file. */ -extern PNG_EXPORT(void,png_write_end) PNGARG((png_structp png_ptr, - png_infop info_ptr)); - -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED -/* read the end of the PNG file. */ -extern PNG_EXPORT(void,png_read_end) PNGARG((png_structp png_ptr, - png_infop info_ptr)); -#endif - -/* free any memory associated with the png_info_struct */ -extern PNG_EXPORT(void,png_destroy_info_struct) PNGARG((png_structp png_ptr, - png_infopp info_ptr_ptr)); - -/* free any memory associated with the png_struct and the png_info_structs */ -extern PNG_EXPORT(void,png_destroy_read_struct) PNGARG((png_structpp - png_ptr_ptr, png_infopp info_ptr_ptr, png_infopp end_info_ptr_ptr)); - -/* free all memory used by the read (old method - NOT DLL EXPORTED) */ -extern void png_read_destroy PNGARG((png_structp png_ptr, png_infop info_ptr, - png_infop end_info_ptr)); - -/* free any memory associated with the png_struct and the png_info_structs */ -extern PNG_EXPORT(void,png_destroy_write_struct) - PNGARG((png_structpp png_ptr_ptr, png_infopp info_ptr_ptr)); - -/* free any memory used in png_ptr struct (old method - NOT DLL EXPORTED) */ -extern void png_write_destroy PNGARG((png_structp png_ptr)); - -/* set the libpng method of handling chunk CRC errors */ -extern PNG_EXPORT(void,png_set_crc_action) PNGARG((png_structp png_ptr, - int crit_action, int ancil_action)); - -/* Values for png_set_crc_action() to say how to handle CRC errors in - * ancillary and critical chunks, and whether to use the data contained - * therein. Note that it is impossible to "discard" data in a critical - * chunk. For versions prior to 0.90, the action was always error/quit, - * whereas in version 0.90 and later, the action for CRC errors in ancillary - * chunks is warn/discard. These values should NOT be changed. - * - * value action:critical action:ancillary - */ -#define PNG_CRC_DEFAULT 0 /* error/quit warn/discard data */ -#define PNG_CRC_ERROR_QUIT 1 /* error/quit error/quit */ -#define PNG_CRC_WARN_DISCARD 2 /* (INVALID) warn/discard data */ -#define PNG_CRC_WARN_USE 3 /* warn/use data warn/use data */ -#define PNG_CRC_QUIET_USE 4 /* quiet/use data quiet/use data */ -#define PNG_CRC_NO_CHANGE 5 /* use current value use current value */ - -/* These functions give the user control over the scan-line filtering in - * libpng and the compression methods used by zlib. These functions are - * mainly useful for testing, as the defaults should work with most users. - * Those users who are tight on memory or want faster performance at the - * expense of compression can modify them. See the compression library - * header file (zlib.h) for an explination of the compression functions. - */ - -/* set the filtering method(s) used by libpng. Currently, the only valid - * value for "method" is 0. - */ -extern PNG_EXPORT(void,png_set_filter) PNGARG((png_structp png_ptr, int method, - int filters)); - -/* Flags for png_set_filter() to say which filters to use. The flags - * are chosen so that they don't conflict with real filter types - * below, in case they are supplied instead of the #defined constants. - * These values should NOT be changed. - */ -#define PNG_NO_FILTERS 0x00 -#define PNG_FILTER_NONE 0x08 -#define PNG_FILTER_SUB 0x10 -#define PNG_FILTER_UP 0x20 -#define PNG_FILTER_AVG 0x40 -#define PNG_FILTER_PAETH 0x80 -#define PNG_ALL_FILTERS (PNG_FILTER_NONE | PNG_FILTER_SUB | PNG_FILTER_UP | \ - PNG_FILTER_AVG | PNG_FILTER_PAETH) - -/* Filter values (not flags) - used in pngwrite.c, pngwutil.c for now. - * These defines should NOT be changed. - */ -#define PNG_FILTER_VALUE_NONE 0 -#define PNG_FILTER_VALUE_SUB 1 -#define PNG_FILTER_VALUE_UP 2 -#define PNG_FILTER_VALUE_AVG 3 -#define PNG_FILTER_VALUE_PAETH 4 -#define PNG_FILTER_VALUE_LAST 5 - -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) /* EXPERIMENTAL */ -/* The "heuristic_method" is given by one of the PNG_FILTER_HEURISTIC_ - * defines, either the default (minimum-sum-of-absolute-differences), or - * the experimental method (weighted-minimum-sum-of-absolute-differences). - * - * Weights are factors >= 1.0, indicating how important it is to keep the - * filter type consistent between rows. Larger numbers mean the current - * filter is that many times as likely to be the same as the "num_weights" - * previous filters. This is cumulative for each previous row with a weight. - * There needs to be "num_weights" values in "filter_weights", or it can be - * NULL if the weights aren't being specified. Weights have no influence on - * the selection of the first row filter. Well chosen weights can (in theory) - * improve the compression for a given image. - * - * Costs are factors >= 1.0 indicating the relative decoding costs of a - * filter type. Higher costs indicate more decoding expense, and are - * therefore less likely to be selected over a filter with lower computational - * costs. There needs to be a value in "filter_costs" for each valid filter - * type (given by PNG_FILTER_VALUE_LAST), or it can be NULL if you aren't - * setting the costs. Costs try to improve the speed of decompression without - * unduly increasing the compressed image size. - * - * A negative weight or cost indicates the default value is to be used, and - * values in the range [0.0, 1.0) indicate the value is to remain unchanged. - * The default values for both weights and costs are currently 1.0, but may - * change if good general weighting/cost heuristics can be found. If both - * the weights and costs are set to 1.0, this degenerates the WEIGHTED method - * to the UNWEIGHTED method, but with added encoding time/computation. - */ -#ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_filter_heuristics) PNGARG((png_structp png_ptr, - int heuristic_method, int num_weights, png_doublep filter_weights, - png_doublep filter_costs)); -#endif -#endif /* PNG_WRITE_WEIGHTED_FILTER_SUPPORTED */ - -/* Heuristic used for row filter selection. These defines should NOT be - * changed. - */ -#define PNG_FILTER_HEURISTIC_DEFAULT 0 /* Currently "UNWEIGHTED" */ -#define PNG_FILTER_HEURISTIC_UNWEIGHTED 1 /* Used by libpng < 0.95 */ -#define PNG_FILTER_HEURISTIC_WEIGHTED 2 /* Experimental feature */ -#define PNG_FILTER_HEURISTIC_LAST 3 /* Not a valid value */ - -/* Set the library compression level. Currently, valid values range from - * 0 - 9, corresponding directly to the zlib compression levels 0 - 9 - * (0 - no compression, 9 - "maximal" compression). Note that tests have - * shown that zlib compression levels 3-6 usually perform as well as level 9 - * for PNG images, and do considerably fewer caclulations. In the future, - * these values may not correspond directly to the zlib compression levels. - */ -extern PNG_EXPORT(void,png_set_compression_level) PNGARG((png_structp png_ptr, - int level)); - -extern PNG_EXPORT(void,png_set_compression_mem_level) - PNGARG((png_structp png_ptr, int mem_level)); - -extern PNG_EXPORT(void,png_set_compression_strategy) - PNGARG((png_structp png_ptr, int strategy)); - -extern PNG_EXPORT(void,png_set_compression_window_bits) - PNGARG((png_structp png_ptr, int window_bits)); - -extern PNG_EXPORT(void,png_set_compression_method) PNGARG((png_structp png_ptr, - int method)); - -/* These next functions are called for input/output, memory, and error - * handling. They are in the file pngrio.c, pngwio.c, and pngerror.c, - * and call standard C I/O routines such as fread(), fwrite(), and - * fprintf(). These functions can be made to use other I/O routines - * at run time for those applications that need to handle I/O in a - * different manner by calling png_set_???_fn(). See libpng.txt for - * more information. - */ - -#if !defined(PNG_NO_STDIO) -/* Initialize the input/output for the PNG file to the default functions. */ -extern PNG_EXPORT(void,png_init_io) PNGARG((png_structp png_ptr, png_FILE_p fp)); -#endif - -/* Replace the (error and abort), and warning functions with user - * supplied functions. If no messages are to be printed you must still - * write and use replacement functions. The replacement error_fn should - * still do a longjmp to the last setjmp location if you are using this - * method of error handling. If error_fn or warning_fn is NULL, the - * default function will be used. - */ - -extern PNG_EXPORT(void,png_set_error_fn) PNGARG((png_structp png_ptr, - png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warning_fn)); - -/* Return the user pointer associated with the error functions */ -extern PNG_EXPORT(png_voidp,png_get_error_ptr) PNGARG((png_structp png_ptr)); - -/* Replace the default data output functions with a user supplied one(s). - * If buffered output is not used, then output_flush_fn can be set to NULL. - * If PNG_WRITE_FLUSH_SUPPORTED is not defined at libpng compile time - * output_flush_fn will be ignored (and thus can be NULL). - */ -extern PNG_EXPORT(void,png_set_write_fn) PNGARG((png_structp png_ptr, - png_voidp io_ptr, png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn)); - -/* Replace the default data input function with a user supplied one. */ -extern PNG_EXPORT(void,png_set_read_fn) PNGARG((png_structp png_ptr, - png_voidp io_ptr, png_rw_ptr read_data_fn)); - -/* Return the user pointer associated with the I/O functions */ -extern PNG_EXPORT(png_voidp,png_get_io_ptr) PNGARG((png_structp png_ptr)); - -extern PNG_EXPORT(void,png_set_read_status_fn) PNGARG((png_structp png_ptr, - png_read_status_ptr read_row_fn)); - -extern PNG_EXPORT(void,png_set_write_status_fn) PNGARG((png_structp png_ptr, - png_write_status_ptr write_row_fn)); - -#ifdef PNG_USER_MEM_SUPPORTED -/* Replace the default memory allocation functions with user supplied one(s). */ -extern PNG_EXPORT(void,png_set_mem_fn) PNGARG((png_structp png_ptr, - png_voidp mem_ptr, png_malloc_ptr malloc_fn, png_free_ptr free_fn)); -/* Return the user pointer associated with the memory functions */ -extern PNG_EXPORT(png_voidp,png_get_mem_ptr) PNGARG((png_structp png_ptr)); -#endif - -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_LEGACY_SUPPORTED) -extern PNG_EXPORT(void,png_set_read_user_transform_fn) PNGARG((png_structp - png_ptr, png_user_transform_ptr read_user_transform_fn)); -#endif - -#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_LEGACY_SUPPORTED) -extern PNG_EXPORT(void,png_set_write_user_transform_fn) PNGARG((png_structp - png_ptr, png_user_transform_ptr write_user_transform_fn)); -#endif - -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_LEGACY_SUPPORTED) -extern PNG_EXPORT(void,png_set_user_transform_info) PNGARG((png_structp - png_ptr, png_voidp user_transform_ptr, int user_transform_depth, - int user_transform_channels)); -/* Return the user pointer associated with the user transform functions */ -extern PNG_EXPORT(png_voidp,png_get_user_transform_ptr) - PNGARG((png_structp png_ptr)); -#endif - -#ifdef PNG_USER_CHUNKS_SUPPORTED -extern PNG_EXPORT(void,png_set_read_user_chunk_fn) PNGARG((png_structp png_ptr, - png_voidp user_chunk_ptr, png_user_chunk_ptr read_user_chunk_fn)); -extern PNG_EXPORT(png_voidp,png_get_user_chunk_ptr) PNGARG((png_structp - png_ptr)); -#endif - -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -/* Sets the function callbacks for the push reader, and a pointer to a - * user-defined structure available to the callback functions. - */ -extern PNG_EXPORT(void,png_set_progressive_read_fn) PNGARG((png_structp png_ptr, - png_voidp progressive_ptr, - png_progressive_info_ptr info_fn, png_progressive_row_ptr row_fn, - png_progressive_end_ptr end_fn)); - -/* returns the user pointer associated with the push read functions */ -extern PNG_EXPORT(png_voidp,png_get_progressive_ptr) - PNGARG((png_structp png_ptr)); - -/* function to be called when data becomes available */ -extern PNG_EXPORT(void,png_process_data) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_bytep buffer, png_size_t buffer_size)); - -/* function that combines rows. Not very much different than the - * png_combine_row() call. Is this even used????? - */ -extern PNG_EXPORT(void,png_progressive_combine_row) PNGARG((png_structp png_ptr, - png_bytep old_row, png_bytep new_row)); -#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ - -extern PNG_EXPORT(png_voidp,png_malloc) PNGARG((png_structp png_ptr, - png_uint_32 size)); - -#if defined(PNG_1_0_X) -# define png_malloc_warn png_malloc -#else -/* Added at libpng version 1.2.4 */ -extern PNG_EXPORT(png_voidp,png_malloc_warn) PNGARG((png_structp png_ptr, - png_uint_32 size)); -#endif - -/* frees a pointer allocated by png_malloc() */ -extern PNG_EXPORT(void,png_free) PNGARG((png_structp png_ptr, png_voidp ptr)); - -#if defined(PNG_1_0_X) -/* Function to allocate memory for zlib. */ -extern PNG_EXPORT(voidpf,png_zalloc) PNGARG((voidpf png_ptr, uInt items, - uInt size)); - -/* Function to free memory for zlib */ -extern PNG_EXPORT(void,png_zfree) PNGARG((voidpf png_ptr, voidpf ptr)); -#endif - -/* Free data that was allocated internally */ -extern PNG_EXPORT(void,png_free_data) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 free_me, int num)); -#ifdef PNG_FREE_ME_SUPPORTED -/* Reassign responsibility for freeing existing data, whether allocated - * by libpng or by the application */ -extern PNG_EXPORT(void,png_data_freer) PNGARG((png_structp png_ptr, - png_infop info_ptr, int freer, png_uint_32 mask)); -#endif -/* assignments for png_data_freer */ -#define PNG_DESTROY_WILL_FREE_DATA 1 -#define PNG_SET_WILL_FREE_DATA 1 -#define PNG_USER_WILL_FREE_DATA 2 -/* Flags for png_ptr->free_me and info_ptr->free_me */ -#define PNG_FREE_HIST 0x0008 -#define PNG_FREE_ICCP 0x0010 -#define PNG_FREE_SPLT 0x0020 -#define PNG_FREE_ROWS 0x0040 -#define PNG_FREE_PCAL 0x0080 -#define PNG_FREE_SCAL 0x0100 -#define PNG_FREE_UNKN 0x0200 -#define PNG_FREE_LIST 0x0400 -#define PNG_FREE_PLTE 0x1000 -#define PNG_FREE_TRNS 0x2000 -#define PNG_FREE_TEXT 0x4000 -#define PNG_FREE_ALL 0x7fff -#define PNG_FREE_MUL 0x4220 /* PNG_FREE_SPLT|PNG_FREE_TEXT|PNG_FREE_UNKN */ - -#ifdef PNG_USER_MEM_SUPPORTED -extern PNG_EXPORT(png_voidp,png_malloc_default) PNGARG((png_structp png_ptr, - png_uint_32 size)); -extern PNG_EXPORT(void,png_free_default) PNGARG((png_structp png_ptr, - png_voidp ptr)); -#endif - -extern PNG_EXPORT(png_voidp,png_memcpy_check) PNGARG((png_structp png_ptr, - png_voidp s1, png_voidp s2, png_uint_32 size)); - -extern PNG_EXPORT(png_voidp,png_memset_check) PNGARG((png_structp png_ptr, - png_voidp s1, int value, png_uint_32 size)); - -#if defined(USE_FAR_KEYWORD) /* memory model conversion function */ -extern void *png_far_to_near PNGARG((png_structp png_ptr,png_voidp ptr, - int check)); -#endif /* USE_FAR_KEYWORD */ - -#ifndef PNG_NO_ERROR_TEXT -/* Fatal error in PNG image of libpng - can't continue */ -extern PNG_EXPORT(void,png_error) PNGARG((png_structp png_ptr, - png_const_charp error_message)); - -/* The same, but the chunk name is prepended to the error string. */ -extern PNG_EXPORT(void,png_chunk_error) PNGARG((png_structp png_ptr, - png_const_charp error_message)); -#else -/* Fatal error in PNG image of libpng - can't continue */ -extern PNG_EXPORT(void,png_err) PNGARG((png_structp png_ptr)); -#endif - -#ifndef PNG_NO_WARNINGS -/* Non-fatal error in libpng. Can continue, but may have a problem. */ -extern PNG_EXPORT(void,png_warning) PNGARG((png_structp png_ptr, - png_const_charp warning_message)); - -#ifdef PNG_READ_SUPPORTED -/* Non-fatal error in libpng, chunk name is prepended to message. */ -extern PNG_EXPORT(void,png_chunk_warning) PNGARG((png_structp png_ptr, - png_const_charp warning_message)); -#endif /* PNG_READ_SUPPORTED */ -#endif /* PNG_NO_WARNINGS */ - -/* The png_set_ functions are for storing values in the png_info_struct. - * Similarly, the png_get_ calls are used to read values from the - * png_info_struct, either storing the parameters in the passed variables, or - * setting pointers into the png_info_struct where the data is stored. The - * png_get_ functions return a non-zero value if the data was available - * in info_ptr, or return zero and do not change any of the parameters if the - * data was not available. - * - * These functions should be used instead of directly accessing png_info - * to avoid problems with future changes in the size and internal layout of - * png_info_struct. - */ -/* Returns "flag" if chunk data is valid in info_ptr. */ -extern PNG_EXPORT(png_uint_32,png_get_valid) PNGARG((png_structp png_ptr, -png_infop info_ptr, png_uint_32 flag)); - -/* Returns number of bytes needed to hold a transformed row. */ -extern PNG_EXPORT(png_uint_32,png_get_rowbytes) PNGARG((png_structp png_ptr, -png_infop info_ptr)); - -#if defined(PNG_INFO_IMAGE_SUPPORTED) -/* Returns row_pointers, which is an array of pointers to scanlines that was -returned from png_read_png(). */ -extern PNG_EXPORT(png_bytepp,png_get_rows) PNGARG((png_structp png_ptr, -png_infop info_ptr)); -/* Set row_pointers, which is an array of pointers to scanlines for use -by png_write_png(). */ -extern PNG_EXPORT(void,png_set_rows) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_bytepp row_pointers)); -#endif - -/* Returns number of color channels in image. */ -extern PNG_EXPORT(png_byte,png_get_channels) PNGARG((png_structp png_ptr, -png_infop info_ptr)); - -#ifdef PNG_EASY_ACCESS_SUPPORTED -/* Returns image width in pixels. */ -extern PNG_EXPORT(png_uint_32, png_get_image_width) PNGARG((png_structp -png_ptr, png_infop info_ptr)); - -/* Returns image height in pixels. */ -extern PNG_EXPORT(png_uint_32, png_get_image_height) PNGARG((png_structp -png_ptr, png_infop info_ptr)); - -/* Returns image bit_depth. */ -extern PNG_EXPORT(png_byte, png_get_bit_depth) PNGARG((png_structp -png_ptr, png_infop info_ptr)); - -/* Returns image color_type. */ -extern PNG_EXPORT(png_byte, png_get_color_type) PNGARG((png_structp -png_ptr, png_infop info_ptr)); - -/* Returns image filter_type. */ -extern PNG_EXPORT(png_byte, png_get_filter_type) PNGARG((png_structp -png_ptr, png_infop info_ptr)); - -/* Returns image interlace_type. */ -extern PNG_EXPORT(png_byte, png_get_interlace_type) PNGARG((png_structp -png_ptr, png_infop info_ptr)); - -/* Returns image compression_type. */ -extern PNG_EXPORT(png_byte, png_get_compression_type) PNGARG((png_structp -png_ptr, png_infop info_ptr)); - -/* Returns image resolution in pixels per meter, from pHYs chunk data. */ -extern PNG_EXPORT(png_uint_32, png_get_pixels_per_meter) PNGARG((png_structp -png_ptr, png_infop info_ptr)); -extern PNG_EXPORT(png_uint_32, png_get_x_pixels_per_meter) PNGARG((png_structp -png_ptr, png_infop info_ptr)); -extern PNG_EXPORT(png_uint_32, png_get_y_pixels_per_meter) PNGARG((png_structp -png_ptr, png_infop info_ptr)); - -/* Returns pixel aspect ratio, computed from pHYs chunk data. */ -#ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(float, png_get_pixel_aspect_ratio) PNGARG((png_structp -png_ptr, png_infop info_ptr)); -#endif - -/* Returns image x, y offset in pixels or microns, from oFFs chunk data. */ -extern PNG_EXPORT(png_int_32, png_get_x_offset_pixels) PNGARG((png_structp -png_ptr, png_infop info_ptr)); -extern PNG_EXPORT(png_int_32, png_get_y_offset_pixels) PNGARG((png_structp -png_ptr, png_infop info_ptr)); -extern PNG_EXPORT(png_int_32, png_get_x_offset_microns) PNGARG((png_structp -png_ptr, png_infop info_ptr)); -extern PNG_EXPORT(png_int_32, png_get_y_offset_microns) PNGARG((png_structp -png_ptr, png_infop info_ptr)); - -#endif /* PNG_EASY_ACCESS_SUPPORTED */ - -/* Returns pointer to signature string read from PNG header */ -extern PNG_EXPORT(png_bytep,png_get_signature) PNGARG((png_structp png_ptr, -png_infop info_ptr)); - -#if defined(PNG_bKGD_SUPPORTED) -extern PNG_EXPORT(png_uint_32,png_get_bKGD) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_color_16p *background)); -#endif - -#if defined(PNG_bKGD_SUPPORTED) -extern PNG_EXPORT(void,png_set_bKGD) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_color_16p background)); -#endif - -#if defined(PNG_cHRM_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_cHRM) PNGARG((png_structp png_ptr, - png_infop info_ptr, double *white_x, double *white_y, double *red_x, - double *red_y, double *green_x, double *green_y, double *blue_x, - double *blue_y)); -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_cHRM_fixed) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_fixed_point *int_white_x, png_fixed_point - *int_white_y, png_fixed_point *int_red_x, png_fixed_point *int_red_y, - png_fixed_point *int_green_x, png_fixed_point *int_green_y, png_fixed_point - *int_blue_x, png_fixed_point *int_blue_y)); -#endif -#endif - -#if defined(PNG_cHRM_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_cHRM) PNGARG((png_structp png_ptr, - png_infop info_ptr, double white_x, double white_y, double red_x, - double red_y, double green_x, double green_y, double blue_x, double blue_y)); -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_cHRM_fixed) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_fixed_point int_white_x, png_fixed_point int_white_y, - png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_point - int_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x, - png_fixed_point int_blue_y)); -#endif -#endif - -#if defined(PNG_gAMA_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_gAMA) PNGARG((png_structp png_ptr, - png_infop info_ptr, double *file_gamma)); -#endif -extern PNG_EXPORT(png_uint_32,png_get_gAMA_fixed) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_fixed_point *int_file_gamma)); -#endif - -#if defined(PNG_gAMA_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_gAMA) PNGARG((png_structp png_ptr, - png_infop info_ptr, double file_gamma)); -#endif -extern PNG_EXPORT(void,png_set_gAMA_fixed) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_fixed_point int_file_gamma)); -#endif - -#if defined(PNG_hIST_SUPPORTED) -extern PNG_EXPORT(png_uint_32,png_get_hIST) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_16p *hist)); -#endif - -#if defined(PNG_hIST_SUPPORTED) -extern PNG_EXPORT(void,png_set_hIST) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_16p hist)); -#endif - -extern PNG_EXPORT(png_uint_32,png_get_IHDR) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 *width, png_uint_32 *height, - int *bit_depth, int *color_type, int *interlace_method, - int *compression_method, int *filter_method)); - -extern PNG_EXPORT(void,png_set_IHDR) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 width, png_uint_32 height, int bit_depth, - int color_type, int interlace_method, int compression_method, - int filter_method)); - -#if defined(PNG_oFFs_SUPPORTED) -extern PNG_EXPORT(png_uint_32,png_get_oFFs) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_int_32 *offset_x, png_int_32 *offset_y, - int *unit_type)); -#endif - -#if defined(PNG_oFFs_SUPPORTED) -extern PNG_EXPORT(void,png_set_oFFs) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_int_32 offset_x, png_int_32 offset_y, - int unit_type)); -#endif - -#if defined(PNG_pCAL_SUPPORTED) -extern PNG_EXPORT(png_uint_32,png_get_pCAL) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_charp *purpose, png_int_32 *X0, png_int_32 *X1, - int *type, int *nparams, png_charp *units, png_charpp *params)); -#endif - -#if defined(PNG_pCAL_SUPPORTED) -extern PNG_EXPORT(void,png_set_pCAL) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_charp purpose, png_int_32 X0, png_int_32 X1, - int type, int nparams, png_charp units, png_charpp params)); -#endif - -#if defined(PNG_pHYs_SUPPORTED) -extern PNG_EXPORT(png_uint_32,png_get_pHYs) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)); -#endif - -#if defined(PNG_pHYs_SUPPORTED) -extern PNG_EXPORT(void,png_set_pHYs) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 res_x, png_uint_32 res_y, int unit_type)); -#endif - -extern PNG_EXPORT(png_uint_32,png_get_PLTE) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_colorp *palette, int *num_palette)); - -extern PNG_EXPORT(void,png_set_PLTE) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_colorp palette, int num_palette)); - -#if defined(PNG_sBIT_SUPPORTED) -extern PNG_EXPORT(png_uint_32,png_get_sBIT) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_color_8p *sig_bit)); -#endif - -#if defined(PNG_sBIT_SUPPORTED) -extern PNG_EXPORT(void,png_set_sBIT) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_color_8p sig_bit)); -#endif - -#if defined(PNG_sRGB_SUPPORTED) -extern PNG_EXPORT(png_uint_32,png_get_sRGB) PNGARG((png_structp png_ptr, - png_infop info_ptr, int *intent)); -#endif - -#if defined(PNG_sRGB_SUPPORTED) -extern PNG_EXPORT(void,png_set_sRGB) PNGARG((png_structp png_ptr, - png_infop info_ptr, int intent)); -extern PNG_EXPORT(void,png_set_sRGB_gAMA_and_cHRM) PNGARG((png_structp png_ptr, - png_infop info_ptr, int intent)); -#endif - -#if defined(PNG_iCCP_SUPPORTED) -extern PNG_EXPORT(png_uint_32,png_get_iCCP) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_charpp name, int *compression_type, - png_charpp profile, png_uint_32 *proflen)); - /* Note to maintainer: profile should be png_bytepp */ -#endif - -#if defined(PNG_iCCP_SUPPORTED) -extern PNG_EXPORT(void,png_set_iCCP) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_charp name, int compression_type, - png_charp profile, png_uint_32 proflen)); - /* Note to maintainer: profile should be png_bytep */ -#endif - -#if defined(PNG_sPLT_SUPPORTED) -extern PNG_EXPORT(png_uint_32,png_get_sPLT) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_sPLT_tpp entries)); -#endif - -#if defined(PNG_sPLT_SUPPORTED) -extern PNG_EXPORT(void,png_set_sPLT) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_sPLT_tp entries, int nentries)); -#endif - -#if defined(PNG_TEXT_SUPPORTED) -/* png_get_text also returns the number of text chunks in *num_text */ -extern PNG_EXPORT(png_uint_32,png_get_text) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_textp *text_ptr, int *num_text)); -#endif - -/* - * Note while png_set_text() will accept a structure whose text, - * language, and translated keywords are NULL pointers, the structure - * returned by png_get_text will always contain regular - * zero-terminated C strings. They might be empty strings but - * they will never be NULL pointers. - */ - -#if defined(PNG_TEXT_SUPPORTED) -extern PNG_EXPORT(void,png_set_text) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_textp text_ptr, int num_text)); -#endif - -#if defined(PNG_tIME_SUPPORTED) -extern PNG_EXPORT(png_uint_32,png_get_tIME) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_timep *mod_time)); -#endif - -#if defined(PNG_tIME_SUPPORTED) -extern PNG_EXPORT(void,png_set_tIME) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_timep mod_time)); -#endif - -#if defined(PNG_tRNS_SUPPORTED) -extern PNG_EXPORT(png_uint_32,png_get_tRNS) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_bytep *trans, int *num_trans, - png_color_16p *trans_values)); -#endif - -#if defined(PNG_tRNS_SUPPORTED) -extern PNG_EXPORT(void,png_set_tRNS) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_bytep trans, int num_trans, - png_color_16p trans_values)); -#endif - -#if defined(PNG_tRNS_SUPPORTED) -#endif - -#if defined(PNG_sCAL_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_sCAL) PNGARG((png_structp png_ptr, - png_infop info_ptr, int *unit, double *width, double *height)); -#else -#ifdef PNG_FIXED_POINT_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_sCAL_s) PNGARG((png_structp png_ptr, - png_infop info_ptr, int *unit, png_charpp swidth, png_charpp sheight)); -#endif -#endif -#endif /* PNG_sCAL_SUPPORTED */ - -#if defined(PNG_sCAL_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_sCAL) PNGARG((png_structp png_ptr, - png_infop info_ptr, int unit, double width, double height)); -#else -#ifdef PNG_FIXED_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_sCAL_s) PNGARG((png_structp png_ptr, - png_infop info_ptr, int unit, png_charp swidth, png_charp sheight)); -#endif -#endif -#endif /* PNG_sCAL_SUPPORTED || PNG_WRITE_sCAL_SUPPORTED */ - -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) -/* provide a list of chunks and how they are to be handled, if the built-in - handling or default unknown chunk handling is not desired. Any chunks not - listed will be handled in the default manner. The IHDR and IEND chunks - must not be listed. - keep = 0: follow default behaviour - = 1: do not keep - = 2: keep only if safe-to-copy - = 3: keep even if unsafe-to-copy -*/ -extern PNG_EXPORT(void, png_set_keep_unknown_chunks) PNGARG((png_structp - png_ptr, int keep, png_bytep chunk_list, int num_chunks)); -extern PNG_EXPORT(void, png_set_unknown_chunks) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_unknown_chunkp unknowns, int num_unknowns)); -extern PNG_EXPORT(void, png_set_unknown_chunk_location) - PNGARG((png_structp png_ptr, png_infop info_ptr, int chunk, int location)); -extern PNG_EXPORT(png_uint_32,png_get_unknown_chunks) PNGARG((png_structp - png_ptr, png_infop info_ptr, png_unknown_chunkpp entries)); -#endif -#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED -PNG_EXPORT(int,png_handle_as_unknown) PNGARG((png_structp png_ptr, png_bytep - chunk_name)); -#endif - -/* Png_free_data() will turn off the "valid" flag for anything it frees. - If you need to turn it off for a chunk that your application has freed, - you can use png_set_invalid(png_ptr, info_ptr, PNG_INFO_CHNK); */ -extern PNG_EXPORT(void, png_set_invalid) PNGARG((png_structp png_ptr, - png_infop info_ptr, int mask)); - -#if defined(PNG_INFO_IMAGE_SUPPORTED) -/* The "params" pointer is currently not used and is for future expansion. */ -extern PNG_EXPORT(void, png_read_png) PNGARG((png_structp png_ptr, - png_infop info_ptr, - int transforms, - png_voidp params)); -extern PNG_EXPORT(void, png_write_png) PNGARG((png_structp png_ptr, - png_infop info_ptr, - int transforms, - png_voidp params)); -#endif - -/* Define PNG_DEBUG at compile time for debugging information. Higher - * numbers for PNG_DEBUG mean more debugging information. This has - * only been added since version 0.95 so it is not implemented throughout - * libpng yet, but more support will be added as needed. - */ -#ifdef PNG_DEBUG -#if (PNG_DEBUG > 0) -#if !defined(PNG_DEBUG_FILE) && defined(_MSC_VER) -#include -#if (PNG_DEBUG > 1) -#ifndef _DEBUG -# define _DEBUG -#endif -#ifndef png_debug -#define png_debug(l,m) _RPT0(_CRT_WARN,m PNG_STRING_NEWLINE) -#endif -#ifndef png_debug1 -#define png_debug1(l,m,p1) _RPT1(_CRT_WARN,m PNG_STRING_NEWLINE,p1) -#endif -#ifndef png_debug2 -#define png_debug2(l,m,p1,p2) _RPT2(_CRT_WARN,m PNG_STRING_NEWLINE,p1,p2) -#endif -#endif -#else /* PNG_DEBUG_FILE || !_MSC_VER */ -#ifndef PNG_DEBUG_FILE -#define PNG_DEBUG_FILE stderr -#endif /* PNG_DEBUG_FILE */ -#if (PNG_DEBUG > 1) -#ifndef png_debug -/* Note: ["%s"m PNG_STRING_NEWLINE] probably does not work on - * non-ISO compilers */ -#ifdef __STDC__ -#define png_debug(l,m) \ -{ \ - int num_tabs=l; \ - fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \ - (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":"")))); \ -} -#endif -#ifndef png_debug1 -#define png_debug1(l,m,p1) \ -{ \ - int num_tabs=l; \ - fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \ - (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))),p1); \ -} -#endif -#ifndef png_debug2 -#define png_debug2(l,m,p1,p2) \ -{ \ - int num_tabs=l; \ - fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \ - (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))),p1,p2); \ -} -#endif -#else /* __STDC __ */ -#ifndef png_debug -#define png_debug(l,m) \ - int num_tabs=l; \ - char format[256]; \ - snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \ - (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \ - m,PNG_STRING_NEWLINE); \ - fprintf(PNG_DEBUG_FILE,format); -#endif -#ifndef png_debug1 -#define png_debug1(l,m,p1) \ - int num_tabs=l; \ - char format[256]; \ - snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \ - (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \ - m,PNG_STRING_NEWLINE); \ - fprintf(PNG_DEBUG_FILE,format,p1); -#endif -#ifndef png_debug2 -#define png_debug2(l,m,p1,p2) \ - int num_tabs=l; \ - char format[256]; \ - snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \ - (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \ - m,PNG_STRING_NEWLINE); \ - fprintf(PNG_DEBUG_FILE,format,p1,p2); -#endif -#endif /* __STDC __ */ -#endif /* (PNG_DEBUG > 1) */ -#endif /* _MSC_VER */ -#endif /* (PNG_DEBUG > 0) */ -#endif /* PNG_DEBUG */ -#ifndef png_debug -#define png_debug(l, m) -#endif -#ifndef png_debug1 -#define png_debug1(l, m, p1) -#endif -#ifndef png_debug2 -#define png_debug2(l, m, p1, p2) -#endif - -extern PNG_EXPORT(png_charp,png_get_copyright) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(png_charp,png_get_header_ver) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(png_charp,png_get_header_version) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(png_charp,png_get_libpng_ver) PNGARG((png_structp png_ptr)); - -#ifdef PNG_MNG_FEATURES_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_permit_mng_features) PNGARG((png_structp - png_ptr, png_uint_32 mng_features_permitted)); -#endif - -/* For use in png_set_keep_unknown, added to version 1.2.6 */ -#define PNG_HANDLE_CHUNK_AS_DEFAULT 0 -#define PNG_HANDLE_CHUNK_NEVER 1 -#define PNG_HANDLE_CHUNK_IF_SAFE 2 -#define PNG_HANDLE_CHUNK_ALWAYS 3 - -/* Added to version 1.2.0 */ -#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) -#if defined(PNG_MMX_CODE_SUPPORTED) -#define PNG_ASM_FLAG_MMX_SUPPORT_COMPILED 0x01 /* not user-settable */ -#define PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU 0x02 /* not user-settable */ -#define PNG_ASM_FLAG_MMX_READ_COMBINE_ROW 0x04 -#define PNG_ASM_FLAG_MMX_READ_INTERLACE 0x08 -#define PNG_ASM_FLAG_MMX_READ_FILTER_SUB 0x10 -#define PNG_ASM_FLAG_MMX_READ_FILTER_UP 0x20 -#define PNG_ASM_FLAG_MMX_READ_FILTER_AVG 0x40 -#define PNG_ASM_FLAG_MMX_READ_FILTER_PAETH 0x80 -#define PNG_ASM_FLAGS_INITIALIZED 0x80000000 /* not user-settable */ - -#define PNG_MMX_READ_FLAGS ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ - | PNG_ASM_FLAG_MMX_READ_INTERLACE \ - | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ - | PNG_ASM_FLAG_MMX_READ_FILTER_UP \ - | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ - | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ) -#define PNG_MMX_WRITE_FLAGS ( 0 ) - -#define PNG_MMX_FLAGS ( PNG_ASM_FLAG_MMX_SUPPORT_COMPILED \ - | PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU \ - | PNG_MMX_READ_FLAGS \ - | PNG_MMX_WRITE_FLAGS ) - -#define PNG_SELECT_READ 1 -#define PNG_SELECT_WRITE 2 -#endif /* PNG_MMX_CODE_SUPPORTED */ - -#if !defined(PNG_1_0_X) -/* pngget.c */ -extern PNG_EXPORT(png_uint_32,png_get_mmx_flagmask) - PNGARG((int flag_select, int *compilerID)); - -/* pngget.c */ -extern PNG_EXPORT(png_uint_32,png_get_asm_flagmask) - PNGARG((int flag_select)); - -/* pngget.c */ -extern PNG_EXPORT(png_uint_32,png_get_asm_flags) - PNGARG((png_structp png_ptr)); - -/* pngget.c */ -extern PNG_EXPORT(png_byte,png_get_mmx_bitdepth_threshold) - PNGARG((png_structp png_ptr)); - -/* pngget.c */ -extern PNG_EXPORT(png_uint_32,png_get_mmx_rowbytes_threshold) - PNGARG((png_structp png_ptr)); - -/* pngset.c */ -extern PNG_EXPORT(void,png_set_asm_flags) - PNGARG((png_structp png_ptr, png_uint_32 asm_flags)); - -/* pngset.c */ -extern PNG_EXPORT(void,png_set_mmx_thresholds) - PNGARG((png_structp png_ptr, png_byte mmx_bitdepth_threshold, - png_uint_32 mmx_rowbytes_threshold)); - -#endif /* PNG_1_0_X */ - -#if !defined(PNG_1_0_X) -/* png.c, pnggccrd.c, or pngvcrd.c */ -extern PNG_EXPORT(int,png_mmx_support) PNGARG((void)); -#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */ - -/* Strip the prepended error numbers ("#nnn ") from error and warning - * messages before passing them to the error or warning handler. */ -#ifdef PNG_ERROR_NUMBERS_SUPPORTED -extern PNG_EXPORT(void,png_set_strip_error_numbers) PNGARG((png_structp - png_ptr, png_uint_32 strip_mode)); -#endif - -#endif /* PNG_1_0_X */ - -/* Added at libpng-1.2.6 */ -#ifdef PNG_SET_USER_LIMITS_SUPPORTED -extern PNG_EXPORT(void,png_set_user_limits) PNGARG((png_structp - png_ptr, png_uint_32 user_width_max, png_uint_32 user_height_max)); -extern PNG_EXPORT(png_uint_32,png_get_user_width_max) PNGARG((png_structp - png_ptr)); -extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp - png_ptr)); -#endif - - -/* Maintainer: Put new public prototypes here ^, in libpng.3, and project defs */ - -#ifdef PNG_READ_COMPOSITE_NODIV_SUPPORTED -/* With these routines we avoid an integer divide, which will be slower on - * most machines. However, it does take more operations than the corresponding - * divide method, so it may be slower on a few RISC systems. There are two - * shifts (by 8 or 16 bits) and an addition, versus a single integer divide. - * - * Note that the rounding factors are NOT supposed to be the same! 128 and - * 32768 are correct for the NODIV code; 127 and 32767 are correct for the - * standard method. - * - * [Optimized code by Greg Roelofs and Mark Adler...blame us for bugs. :-) ] - */ - - /* fg and bg should be in `gamma 1.0' space; alpha is the opacity */ - -# define png_composite(composite, fg, alpha, bg) \ - { png_uint_16 temp = (png_uint_16)((png_uint_16)(fg) * (png_uint_16)(alpha) \ - + (png_uint_16)(bg)*(png_uint_16)(255 - \ - (png_uint_16)(alpha)) + (png_uint_16)128); \ - (composite) = (png_byte)((temp + (temp >> 8)) >> 8); } - -# define png_composite_16(composite, fg, alpha, bg) \ - { png_uint_32 temp = (png_uint_32)((png_uint_32)(fg) * (png_uint_32)(alpha) \ - + (png_uint_32)(bg)*(png_uint_32)(65535L - \ - (png_uint_32)(alpha)) + (png_uint_32)32768L); \ - (composite) = (png_uint_16)((temp + (temp >> 16)) >> 16); } - -#else /* standard method using integer division */ - -# define png_composite(composite, fg, alpha, bg) \ - (composite) = (png_byte)(((png_uint_16)(fg) * (png_uint_16)(alpha) + \ - (png_uint_16)(bg) * (png_uint_16)(255 - (png_uint_16)(alpha)) + \ - (png_uint_16)127) / 255) - -# define png_composite_16(composite, fg, alpha, bg) \ - (composite) = (png_uint_16)(((png_uint_32)(fg) * (png_uint_32)(alpha) + \ - (png_uint_32)(bg)*(png_uint_32)(65535L - (png_uint_32)(alpha)) + \ - (png_uint_32)32767) / (png_uint_32)65535L) - -#endif /* PNG_READ_COMPOSITE_NODIV_SUPPORTED */ - -/* Inline macros to do direct reads of bytes from the input buffer. These - * require that you are using an architecture that uses PNG byte ordering - * (MSB first) and supports unaligned data storage. I think that PowerPC - * in big-endian mode and 680x0 are the only ones that will support this. - * The x86 line of processors definitely do not. The png_get_int_32() - * routine also assumes we are using two's complement format for negative - * values, which is almost certainly true. - */ -#if defined(PNG_READ_BIG_ENDIAN_SUPPORTED) -# define png_get_uint_32(buf) ( *((png_uint_32p) (buf))) -# define png_get_uint_16(buf) ( *((png_uint_16p) (buf))) -# define png_get_int_32(buf) ( *((png_int_32p) (buf))) -#else -extern PNG_EXPORT(png_uint_32,png_get_uint_32) PNGARG((png_bytep buf)); -extern PNG_EXPORT(png_uint_16,png_get_uint_16) PNGARG((png_bytep buf)); -extern PNG_EXPORT(png_int_32,png_get_int_32) PNGARG((png_bytep buf)); -#endif /* !PNG_READ_BIG_ENDIAN_SUPPORTED */ -extern PNG_EXPORT(png_uint_32,png_get_uint_31) - PNGARG((png_structp png_ptr, png_bytep buf)); -/* No png_get_int_16 -- may be added if there's a real need for it. */ - -/* Place a 32-bit number into a buffer in PNG byte order (big-endian). - */ -extern PNG_EXPORT(void,png_save_uint_32) - PNGARG((png_bytep buf, png_uint_32 i)); -extern PNG_EXPORT(void,png_save_int_32) - PNGARG((png_bytep buf, png_int_32 i)); - -/* Place a 16-bit number into a buffer in PNG byte order. - * The parameter is declared unsigned int, not png_uint_16, - * just to avoid potential problems on pre-ANSI C compilers. - */ -extern PNG_EXPORT(void,png_save_uint_16) - PNGARG((png_bytep buf, unsigned int i)); -/* No png_save_int_16 -- may be added if there's a real need for it. */ - -/* ************************************************************************* */ - -/* These next functions are used internally in the code. They generally - * shouldn't be used unless you are writing code to add or replace some - * functionality in libpng. More information about most functions can - * be found in the files where the functions are located. - */ - - -/* Various modes of operation, that are visible to applications because - * they are used for unknown chunk location. - */ -#define PNG_HAVE_IHDR 0x01 -#define PNG_HAVE_PLTE 0x02 -#define PNG_HAVE_IDAT 0x04 -#define PNG_AFTER_IDAT 0x08 /* Have complete zlib datastream */ -#define PNG_HAVE_IEND 0x10 - -#if defined(PNG_INTERNAL) - -/* More modes of operation. Note that after an init, mode is set to - * zero automatically when the structure is created. - */ -#define PNG_HAVE_gAMA 0x20 -#define PNG_HAVE_cHRM 0x40 -#define PNG_HAVE_sRGB 0x80 -#define PNG_HAVE_CHUNK_HEADER 0x100 -#define PNG_WROTE_tIME 0x200 -#define PNG_WROTE_INFO_BEFORE_PLTE 0x400 -#define PNG_BACKGROUND_IS_GRAY 0x800 -#define PNG_HAVE_PNG_SIGNATURE 0x1000 -#define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */ - -/* flags for the transformations the PNG library does on the image data */ -#define PNG_BGR 0x0001 -#define PNG_INTERLACE 0x0002 -#define PNG_PACK 0x0004 -#define PNG_SHIFT 0x0008 -#define PNG_SWAP_BYTES 0x0010 -#define PNG_INVERT_MONO 0x0020 -#define PNG_DITHER 0x0040 -#define PNG_BACKGROUND 0x0080 -#define PNG_BACKGROUND_EXPAND 0x0100 - /* 0x0200 unused */ -#define PNG_16_TO_8 0x0400 -#define PNG_RGBA 0x0800 -#define PNG_EXPAND 0x1000 -#define PNG_GAMMA 0x2000 -#define PNG_GRAY_TO_RGB 0x4000 -#define PNG_FILLER 0x8000L -#define PNG_PACKSWAP 0x10000L -#define PNG_SWAP_ALPHA 0x20000L -#define PNG_STRIP_ALPHA 0x40000L -#define PNG_INVERT_ALPHA 0x80000L -#define PNG_USER_TRANSFORM 0x100000L -#define PNG_RGB_TO_GRAY_ERR 0x200000L -#define PNG_RGB_TO_GRAY_WARN 0x400000L -#define PNG_RGB_TO_GRAY 0x600000L /* two bits, RGB_TO_GRAY_ERR|WARN */ - /* 0x800000L Unused */ -#define PNG_ADD_ALPHA 0x1000000L /* Added to libpng-1.2.7 */ -#define PNG_EXPAND_tRNS 0x2000000L /* Added to libpng-1.2.9 */ - /* 0x4000000L unused */ - /* 0x8000000L unused */ - /* 0x10000000L unused */ - /* 0x20000000L unused */ - /* 0x40000000L unused */ - -/* flags for png_create_struct */ -#define PNG_STRUCT_PNG 0x0001 -#define PNG_STRUCT_INFO 0x0002 - -/* Scaling factor for filter heuristic weighting calculations */ -#define PNG_WEIGHT_SHIFT 8 -#define PNG_WEIGHT_FACTOR (1<<(PNG_WEIGHT_SHIFT)) -#define PNG_COST_SHIFT 3 -#define PNG_COST_FACTOR (1<<(PNG_COST_SHIFT)) - -/* flags for the png_ptr->flags rather than declaring a byte for each one */ -#define PNG_FLAG_ZLIB_CUSTOM_STRATEGY 0x0001 -#define PNG_FLAG_ZLIB_CUSTOM_LEVEL 0x0002 -#define PNG_FLAG_ZLIB_CUSTOM_MEM_LEVEL 0x0004 -#define PNG_FLAG_ZLIB_CUSTOM_WINDOW_BITS 0x0008 -#define PNG_FLAG_ZLIB_CUSTOM_METHOD 0x0010 -#define PNG_FLAG_ZLIB_FINISHED 0x0020 -#define PNG_FLAG_ROW_INIT 0x0040 -#define PNG_FLAG_FILLER_AFTER 0x0080 -#define PNG_FLAG_CRC_ANCILLARY_USE 0x0100 -#define PNG_FLAG_CRC_ANCILLARY_NOWARN 0x0200 -#define PNG_FLAG_CRC_CRITICAL_USE 0x0400 -#define PNG_FLAG_CRC_CRITICAL_IGNORE 0x0800 -#define PNG_FLAG_FREE_PLTE 0x1000 -#define PNG_FLAG_FREE_TRNS 0x2000 -#define PNG_FLAG_FREE_HIST 0x4000 -#define PNG_FLAG_KEEP_UNKNOWN_CHUNKS 0x8000L -#define PNG_FLAG_KEEP_UNSAFE_CHUNKS 0x10000L -#define PNG_FLAG_LIBRARY_MISMATCH 0x20000L -#define PNG_FLAG_STRIP_ERROR_NUMBERS 0x40000L -#define PNG_FLAG_STRIP_ERROR_TEXT 0x80000L -#define PNG_FLAG_MALLOC_NULL_MEM_OK 0x100000L -#define PNG_FLAG_ADD_ALPHA 0x200000L /* Added to libpng-1.2.8 */ -#define PNG_FLAG_STRIP_ALPHA 0x400000L /* Added to libpng-1.2.8 */ - /* 0x800000L unused */ - /* 0x1000000L unused */ - /* 0x2000000L unused */ - /* 0x4000000L unused */ - /* 0x8000000L unused */ - /* 0x10000000L unused */ - /* 0x20000000L unused */ - /* 0x40000000L unused */ - -#define PNG_FLAG_CRC_ANCILLARY_MASK (PNG_FLAG_CRC_ANCILLARY_USE | \ - PNG_FLAG_CRC_ANCILLARY_NOWARN) - -#define PNG_FLAG_CRC_CRITICAL_MASK (PNG_FLAG_CRC_CRITICAL_USE | \ - PNG_FLAG_CRC_CRITICAL_IGNORE) - -#define PNG_FLAG_CRC_MASK (PNG_FLAG_CRC_ANCILLARY_MASK | \ - PNG_FLAG_CRC_CRITICAL_MASK) - -/* save typing and make code easier to understand */ - -#define PNG_COLOR_DIST(c1, c2) (abs((int)((c1).red) - (int)((c2).red)) + \ - abs((int)((c1).green) - (int)((c2).green)) + \ - abs((int)((c1).blue) - (int)((c2).blue))) - -/* Added to libpng-1.2.6 JB */ -#define PNG_ROWBYTES(pixel_bits, width) \ - ((pixel_bits) >= 8 ? \ - ((width) * (((png_uint_32)(pixel_bits)) >> 3)) : \ - (( ((width) * ((png_uint_32)(pixel_bits))) + 7) >> 3) ) - -/* PNG_OUT_OF_RANGE returns true if value is outside the range - ideal-delta..ideal+delta. Each argument is evaluated twice. - "ideal" and "delta" should be constants, normally simple - integers, "value" a variable. Added to libpng-1.2.6 JB */ -#define PNG_OUT_OF_RANGE(value, ideal, delta) \ - ( (value) < (ideal)-(delta) || (value) > (ideal)+(delta) ) - -/* variables declared in png.c - only it needs to define PNG_NO_EXTERN */ -#if !defined(PNG_NO_EXTERN) || defined(PNG_ALWAYS_EXTERN) -/* place to hold the signature string for a PNG file. */ -#ifdef PNG_USE_GLOBAL_ARRAYS - PNG_EXPORT_VAR (PNG_CONST png_byte FARDATA) png_sig[8]; -#else -#endif -#endif /* PNG_NO_EXTERN */ - -/* Constant strings for known chunk types. If you need to add a chunk, - * define the name here, and add an invocation of the macro in png.c and - * wherever it's needed. - */ -#define PNG_IHDR png_byte png_IHDR[5] = { 73, 72, 68, 82, '\0'} -#define PNG_IDAT png_byte png_IDAT[5] = { 73, 68, 65, 84, '\0'} -#define PNG_IEND png_byte png_IEND[5] = { 73, 69, 78, 68, '\0'} -#define PNG_PLTE png_byte png_PLTE[5] = { 80, 76, 84, 69, '\0'} -#define PNG_bKGD png_byte png_bKGD[5] = { 98, 75, 71, 68, '\0'} -#define PNG_cHRM png_byte png_cHRM[5] = { 99, 72, 82, 77, '\0'} -#define PNG_gAMA png_byte png_gAMA[5] = {103, 65, 77, 65, '\0'} -#define PNG_hIST png_byte png_hIST[5] = {104, 73, 83, 84, '\0'} -#define PNG_iCCP png_byte png_iCCP[5] = {105, 67, 67, 80, '\0'} -#define PNG_iTXt png_byte png_iTXt[5] = {105, 84, 88, 116, '\0'} -#define PNG_oFFs png_byte png_oFFs[5] = {111, 70, 70, 115, '\0'} -#define PNG_pCAL png_byte png_pCAL[5] = {112, 67, 65, 76, '\0'} -#define PNG_sCAL png_byte png_sCAL[5] = {115, 67, 65, 76, '\0'} -#define PNG_pHYs png_byte png_pHYs[5] = {112, 72, 89, 115, '\0'} -#define PNG_sBIT png_byte png_sBIT[5] = {115, 66, 73, 84, '\0'} -#define PNG_sPLT png_byte png_sPLT[5] = {115, 80, 76, 84, '\0'} -#define PNG_sRGB png_byte png_sRGB[5] = {115, 82, 71, 66, '\0'} -#define PNG_tEXt png_byte png_tEXt[5] = {116, 69, 88, 116, '\0'} -#define PNG_tIME png_byte png_tIME[5] = {116, 73, 77, 69, '\0'} -#define PNG_tRNS png_byte png_tRNS[5] = {116, 82, 78, 83, '\0'} -#define PNG_zTXt png_byte png_zTXt[5] = {122, 84, 88, 116, '\0'} - -#ifdef PNG_USE_GLOBAL_ARRAYS -PNG_EXPORT_VAR (png_byte FARDATA) png_IHDR[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_IDAT[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_IEND[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_PLTE[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_bKGD[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_cHRM[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_gAMA[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_hIST[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_iCCP[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_iTXt[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_oFFs[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_pCAL[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_sCAL[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_pHYs[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_sBIT[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_sPLT[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_sRGB[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_tEXt[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_tIME[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_tRNS[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_zTXt[5]; -#endif /* PNG_USE_GLOBAL_ARRAYS */ - -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -/* Initialize png_ptr struct for reading, and allocate any other memory. - * (old interface - DEPRECATED - use png_create_read_struct instead). - */ -extern PNG_EXPORT(void,png_read_init) PNGARG((png_structp png_ptr)); -#undef png_read_init -#define png_read_init(png_ptr) png_read_init_3(&png_ptr, \ - PNG_LIBPNG_VER_STRING, png_sizeof(png_struct)); -#endif - -extern PNG_EXPORT(void,png_read_init_3) PNGARG((png_structpp ptr_ptr, - png_const_charp user_png_ver, png_size_t png_struct_size)); -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -extern PNG_EXPORT(void,png_read_init_2) PNGARG((png_structp png_ptr, - png_const_charp user_png_ver, png_size_t png_struct_size, png_size_t - png_info_size)); -#endif - -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -/* Initialize png_ptr struct for writing, and allocate any other memory. - * (old interface - DEPRECATED - use png_create_write_struct instead). - */ -extern PNG_EXPORT(void,png_write_init) PNGARG((png_structp png_ptr)); -#undef png_write_init -#define png_write_init(png_ptr) png_write_init_3(&png_ptr, \ - PNG_LIBPNG_VER_STRING, png_sizeof(png_struct)); -#endif - -extern PNG_EXPORT(void,png_write_init_3) PNGARG((png_structpp ptr_ptr, - png_const_charp user_png_ver, png_size_t png_struct_size)); -extern PNG_EXPORT(void,png_write_init_2) PNGARG((png_structp png_ptr, - png_const_charp user_png_ver, png_size_t png_struct_size, png_size_t - png_info_size)); - -/* Allocate memory for an internal libpng struct */ -PNG_EXTERN png_voidp png_create_struct PNGARG((int type)); - -/* Free memory from internal libpng struct */ -PNG_EXTERN void png_destroy_struct PNGARG((png_voidp struct_ptr)); - -PNG_EXTERN png_voidp png_create_struct_2 PNGARG((int type, png_malloc_ptr - malloc_fn, png_voidp mem_ptr)); -PNG_EXTERN void png_destroy_struct_2 PNGARG((png_voidp struct_ptr, - png_free_ptr free_fn, png_voidp mem_ptr)); - -/* Free any memory that info_ptr points to and reset struct. */ -PNG_EXTERN void png_info_destroy PNGARG((png_structp png_ptr, - png_infop info_ptr)); - -#ifndef PNG_1_0_X -/* Function to allocate memory for zlib. */ -PNG_EXTERN voidpf png_zalloc PNGARG((voidpf png_ptr, uInt items, uInt size)); - -/* Function to free memory for zlib */ -PNG_EXTERN void png_zfree PNGARG((voidpf png_ptr, voidpf ptr)); - -#ifdef PNG_SIZE_T -/* Function to convert a sizeof an item to png_sizeof item */ - PNG_EXTERN png_size_t PNGAPI png_convert_size PNGARG((size_t size)); -#endif - -/* Next four functions are used internally as callbacks. PNGAPI is required - * but not PNG_EXPORT. PNGAPI added at libpng version 1.2.3. */ - -PNG_EXTERN void PNGAPI png_default_read_data PNGARG((png_structp png_ptr, - png_bytep data, png_size_t length)); - -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -PNG_EXTERN void PNGAPI png_push_fill_buffer PNGARG((png_structp png_ptr, - png_bytep buffer, png_size_t length)); -#endif - -PNG_EXTERN void PNGAPI png_default_write_data PNGARG((png_structp png_ptr, - png_bytep data, png_size_t length)); - -#if defined(PNG_WRITE_FLUSH_SUPPORTED) -#if !defined(PNG_NO_STDIO) -PNG_EXTERN void PNGAPI png_default_flush PNGARG((png_structp png_ptr)); -#endif -#endif -#else /* PNG_1_0_X */ -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -PNG_EXTERN void png_push_fill_buffer PNGARG((png_structp png_ptr, - png_bytep buffer, png_size_t length)); -#endif -#endif /* PNG_1_0_X */ - -/* Reset the CRC variable */ -PNG_EXTERN void png_reset_crc PNGARG((png_structp png_ptr)); - -/* Write the "data" buffer to whatever output you are using. */ -PNG_EXTERN void png_write_data PNGARG((png_structp png_ptr, png_bytep data, - png_size_t length)); - -/* Read data from whatever input you are using into the "data" buffer */ -PNG_EXTERN void png_read_data PNGARG((png_structp png_ptr, png_bytep data, - png_size_t length)); - -/* Read bytes into buf, and update png_ptr->crc */ -PNG_EXTERN void png_crc_read PNGARG((png_structp png_ptr, png_bytep buf, - png_size_t length)); - -/* Decompress data in a chunk that uses compression */ -#if defined(PNG_zTXt_SUPPORTED) || defined(PNG_iTXt_SUPPORTED) || \ - defined(PNG_iCCP_SUPPORTED) || defined(PNG_sPLT_SUPPORTED) -PNG_EXTERN void png_decompress_chunk PNGARG((png_structp png_ptr, - int comp_type, png_size_t chunklength, - png_size_t prefix_length, png_size_t *data_length)); -#endif - -/* Read "skip" bytes, read the file crc, and (optionally) verify png_ptr->crc */ -PNG_EXTERN int png_crc_finish PNGARG((png_structp png_ptr, png_uint_32 skip)); - -/* Read the CRC from the file and compare it to the libpng calculated CRC */ -PNG_EXTERN int png_crc_error PNGARG((png_structp png_ptr)); - -/* Calculate the CRC over a section of data. Note that we are only - * passing a maximum of 64K on systems that have this as a memory limit, - * since this is the maximum buffer size we can specify. - */ -PNG_EXTERN void png_calculate_crc PNGARG((png_structp png_ptr, png_bytep ptr, - png_size_t length)); - -#if defined(PNG_WRITE_FLUSH_SUPPORTED) -PNG_EXTERN void png_flush PNGARG((png_structp png_ptr)); -#endif - -/* simple function to write the signature */ -PNG_EXTERN void png_write_sig PNGARG((png_structp png_ptr)); - -/* write various chunks */ - -/* Write the IHDR chunk, and update the png_struct with the necessary - * information. - */ -PNG_EXTERN void png_write_IHDR PNGARG((png_structp png_ptr, png_uint_32 width, - png_uint_32 height, - int bit_depth, int color_type, int compression_method, int filter_method, - int interlace_method)); - -PNG_EXTERN void png_write_PLTE PNGARG((png_structp png_ptr, png_colorp palette, - png_uint_32 num_pal)); - -PNG_EXTERN void png_write_IDAT PNGARG((png_structp png_ptr, png_bytep data, - png_size_t length)); - -PNG_EXTERN void png_write_IEND PNGARG((png_structp png_ptr)); - -#if defined(PNG_WRITE_gAMA_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED -PNG_EXTERN void png_write_gAMA PNGARG((png_structp png_ptr, double file_gamma)); -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED -PNG_EXTERN void png_write_gAMA_fixed PNGARG((png_structp png_ptr, png_fixed_point - file_gamma)); -#endif -#endif - -#if defined(PNG_WRITE_sBIT_SUPPORTED) -PNG_EXTERN void png_write_sBIT PNGARG((png_structp png_ptr, png_color_8p sbit, - int color_type)); -#endif - -#if defined(PNG_WRITE_cHRM_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED -PNG_EXTERN void png_write_cHRM PNGARG((png_structp png_ptr, - double white_x, double white_y, - double red_x, double red_y, double green_x, double green_y, - double blue_x, double blue_y)); -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED -PNG_EXTERN void png_write_cHRM_fixed PNGARG((png_structp png_ptr, - png_fixed_point int_white_x, png_fixed_point int_white_y, - png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_point - int_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x, - png_fixed_point int_blue_y)); -#endif -#endif - -#if defined(PNG_WRITE_sRGB_SUPPORTED) -PNG_EXTERN void png_write_sRGB PNGARG((png_structp png_ptr, - int intent)); -#endif - -#if defined(PNG_WRITE_iCCP_SUPPORTED) -PNG_EXTERN void png_write_iCCP PNGARG((png_structp png_ptr, - png_charp name, int compression_type, - png_charp profile, int proflen)); - /* Note to maintainer: profile should be png_bytep */ -#endif - -#if defined(PNG_WRITE_sPLT_SUPPORTED) -PNG_EXTERN void png_write_sPLT PNGARG((png_structp png_ptr, - png_sPLT_tp palette)); -#endif - -#if defined(PNG_WRITE_tRNS_SUPPORTED) -PNG_EXTERN void png_write_tRNS PNGARG((png_structp png_ptr, png_bytep trans, - png_color_16p values, int number, int color_type)); -#endif - -#if defined(PNG_WRITE_bKGD_SUPPORTED) -PNG_EXTERN void png_write_bKGD PNGARG((png_structp png_ptr, - png_color_16p values, int color_type)); -#endif - -#if defined(PNG_WRITE_hIST_SUPPORTED) -PNG_EXTERN void png_write_hIST PNGARG((png_structp png_ptr, png_uint_16p hist, - int num_hist)); -#endif - -#if defined(PNG_WRITE_TEXT_SUPPORTED) || defined(PNG_WRITE_pCAL_SUPPORTED) || \ - defined(PNG_WRITE_iCCP_SUPPORTED) || defined(PNG_WRITE_sPLT_SUPPORTED) -PNG_EXTERN png_size_t png_check_keyword PNGARG((png_structp png_ptr, - png_charp key, png_charpp new_key)); -#endif - -#if defined(PNG_WRITE_tEXt_SUPPORTED) -PNG_EXTERN void png_write_tEXt PNGARG((png_structp png_ptr, png_charp key, - png_charp text, png_size_t text_len)); -#endif - -#if defined(PNG_WRITE_zTXt_SUPPORTED) -PNG_EXTERN void png_write_zTXt PNGARG((png_structp png_ptr, png_charp key, - png_charp text, png_size_t text_len, int compression)); -#endif - -#if defined(PNG_WRITE_iTXt_SUPPORTED) -PNG_EXTERN void png_write_iTXt PNGARG((png_structp png_ptr, - int compression, png_charp key, png_charp lang, png_charp lang_key, - png_charp text)); -#endif - -#if defined(PNG_TEXT_SUPPORTED) /* Added at version 1.0.14 and 1.2.4 */ -PNG_EXTERN int png_set_text_2 PNGARG((png_structp png_ptr, - png_infop info_ptr, png_textp text_ptr, int num_text)); -#endif - -#if defined(PNG_WRITE_oFFs_SUPPORTED) -PNG_EXTERN void png_write_oFFs PNGARG((png_structp png_ptr, - png_int_32 x_offset, png_int_32 y_offset, int unit_type)); -#endif - -#if defined(PNG_WRITE_pCAL_SUPPORTED) -PNG_EXTERN void png_write_pCAL PNGARG((png_structp png_ptr, png_charp purpose, - png_int_32 X0, png_int_32 X1, int type, int nparams, - png_charp units, png_charpp params)); -#endif - -#if defined(PNG_WRITE_pHYs_SUPPORTED) -PNG_EXTERN void png_write_pHYs PNGARG((png_structp png_ptr, - png_uint_32 x_pixels_per_unit, png_uint_32 y_pixels_per_unit, - int unit_type)); -#endif - -#if defined(PNG_WRITE_tIME_SUPPORTED) -PNG_EXTERN void png_write_tIME PNGARG((png_structp png_ptr, - png_timep mod_time)); -#endif - -#if defined(PNG_WRITE_sCAL_SUPPORTED) -#if defined(PNG_FLOATING_POINT_SUPPORTED) && !defined(PNG_NO_STDIO) -PNG_EXTERN void png_write_sCAL PNGARG((png_structp png_ptr, - int unit, double width, double height)); -#else -#ifdef PNG_FIXED_POINT_SUPPORTED -PNG_EXTERN void png_write_sCAL_s PNGARG((png_structp png_ptr, - int unit, png_charp width, png_charp height)); -#endif -#endif -#endif - -/* Called when finished processing a row of data */ -PNG_EXTERN void png_write_finish_row PNGARG((png_structp png_ptr)); - -/* Internal use only. Called before first row of data */ -PNG_EXTERN void png_write_start_row PNGARG((png_structp png_ptr)); - -#if defined(PNG_READ_GAMMA_SUPPORTED) -PNG_EXTERN void png_build_gamma_table PNGARG((png_structp png_ptr)); -#endif - -/* combine a row of data, dealing with alpha, etc. if requested */ -PNG_EXTERN void png_combine_row PNGARG((png_structp png_ptr, png_bytep row, - int mask)); - -#if defined(PNG_READ_INTERLACING_SUPPORTED) -/* expand an interlaced row */ -/* OLD pre-1.0.9 interface: -PNG_EXTERN void png_do_read_interlace PNGARG((png_row_infop row_info, - png_bytep row, int pass, png_uint_32 transformations)); - */ -PNG_EXTERN void png_do_read_interlace PNGARG((png_structp png_ptr)); -#endif - -/* GRR TO DO (2.0 or whenever): simplify other internal calling interfaces */ - -#if defined(PNG_WRITE_INTERLACING_SUPPORTED) -/* grab pixels out of a row for an interlaced pass */ -PNG_EXTERN void png_do_write_interlace PNGARG((png_row_infop row_info, - png_bytep row, int pass)); -#endif - -/* unfilter a row */ -PNG_EXTERN void png_read_filter_row PNGARG((png_structp png_ptr, - png_row_infop row_info, png_bytep row, png_bytep prev_row, int filter)); - -/* Choose the best filter to use and filter the row data */ -PNG_EXTERN void png_write_find_filter PNGARG((png_structp png_ptr, - png_row_infop row_info)); - -/* Write out the filtered row. */ -PNG_EXTERN void png_write_filtered_row PNGARG((png_structp png_ptr, - png_bytep filtered_row)); -/* finish a row while reading, dealing with interlacing passes, etc. */ -PNG_EXTERN void png_read_finish_row PNGARG((png_structp png_ptr)); - -/* initialize the row buffers, etc. */ -PNG_EXTERN void png_read_start_row PNGARG((png_structp png_ptr)); -/* optional call to update the users info structure */ -PNG_EXTERN void png_read_transform_info PNGARG((png_structp png_ptr, - png_infop info_ptr)); - -/* these are the functions that do the transformations */ -#if defined(PNG_READ_FILLER_SUPPORTED) -PNG_EXTERN void png_do_read_filler PNGARG((png_row_infop row_info, - png_bytep row, png_uint_32 filler, png_uint_32 flags)); -#endif - -#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) -PNG_EXTERN void png_do_read_swap_alpha PNGARG((png_row_infop row_info, - png_bytep row)); -#endif - -#if defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED) -PNG_EXTERN void png_do_write_swap_alpha PNGARG((png_row_infop row_info, - png_bytep row)); -#endif - -#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) -PNG_EXTERN void png_do_read_invert_alpha PNGARG((png_row_infop row_info, - png_bytep row)); -#endif - -#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) -PNG_EXTERN void png_do_write_invert_alpha PNGARG((png_row_infop row_info, - png_bytep row)); -#endif - -#if defined(PNG_WRITE_FILLER_SUPPORTED) || \ - defined(PNG_READ_STRIP_ALPHA_SUPPORTED) -PNG_EXTERN void png_do_strip_filler PNGARG((png_row_infop row_info, - png_bytep row, png_uint_32 flags)); -#endif - -#if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED) -PNG_EXTERN void png_do_swap PNGARG((png_row_infop row_info, png_bytep row)); -#endif - -#if defined(PNG_READ_PACKSWAP_SUPPORTED) || defined(PNG_WRITE_PACKSWAP_SUPPORTED) -PNG_EXTERN void png_do_packswap PNGARG((png_row_infop row_info, png_bytep row)); -#endif - -#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) -PNG_EXTERN int png_do_rgb_to_gray PNGARG((png_structp png_ptr, png_row_infop - row_info, png_bytep row)); -#endif - -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) -PNG_EXTERN void png_do_gray_to_rgb PNGARG((png_row_infop row_info, - png_bytep row)); -#endif - -#if defined(PNG_READ_PACK_SUPPORTED) -PNG_EXTERN void png_do_unpack PNGARG((png_row_infop row_info, png_bytep row)); -#endif - -#if defined(PNG_READ_SHIFT_SUPPORTED) -PNG_EXTERN void png_do_unshift PNGARG((png_row_infop row_info, png_bytep row, - png_color_8p sig_bits)); -#endif - -#if defined(PNG_READ_INVERT_SUPPORTED) || defined(PNG_WRITE_INVERT_SUPPORTED) -PNG_EXTERN void png_do_invert PNGARG((png_row_infop row_info, png_bytep row)); -#endif - -#if defined(PNG_READ_16_TO_8_SUPPORTED) -PNG_EXTERN void png_do_chop PNGARG((png_row_infop row_info, png_bytep row)); -#endif - -#if defined(PNG_READ_DITHER_SUPPORTED) -PNG_EXTERN void png_do_dither PNGARG((png_row_infop row_info, - png_bytep row, png_bytep palette_lookup, png_bytep dither_lookup)); - -# if defined(PNG_CORRECT_PALETTE_SUPPORTED) -PNG_EXTERN void png_correct_palette PNGARG((png_structp png_ptr, - png_colorp palette, int num_palette)); -# endif -#endif - -#if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED) -PNG_EXTERN void png_do_bgr PNGARG((png_row_infop row_info, png_bytep row)); -#endif - -#if defined(PNG_WRITE_PACK_SUPPORTED) -PNG_EXTERN void png_do_pack PNGARG((png_row_infop row_info, - png_bytep row, png_uint_32 bit_depth)); -#endif - -#if defined(PNG_WRITE_SHIFT_SUPPORTED) -PNG_EXTERN void png_do_shift PNGARG((png_row_infop row_info, png_bytep row, - png_color_8p bit_depth)); -#endif - -#if defined(PNG_READ_BACKGROUND_SUPPORTED) -#if defined(PNG_READ_GAMMA_SUPPORTED) -PNG_EXTERN void png_do_background PNGARG((png_row_infop row_info, png_bytep row, - png_color_16p trans_values, png_color_16p background, - png_color_16p background_1, - png_bytep gamma_table, png_bytep gamma_from_1, png_bytep gamma_to_1, - png_uint_16pp gamma_16, png_uint_16pp gamma_16_from_1, - png_uint_16pp gamma_16_to_1, int gamma_shift)); -#else -PNG_EXTERN void png_do_background PNGARG((png_row_infop row_info, png_bytep row, - png_color_16p trans_values, png_color_16p background)); -#endif -#endif - -#if defined(PNG_READ_GAMMA_SUPPORTED) -PNG_EXTERN void png_do_gamma PNGARG((png_row_infop row_info, png_bytep row, - png_bytep gamma_table, png_uint_16pp gamma_16_table, - int gamma_shift)); -#endif - -#if defined(PNG_READ_EXPAND_SUPPORTED) -PNG_EXTERN void png_do_expand_palette PNGARG((png_row_infop row_info, - png_bytep row, png_colorp palette, png_bytep trans, int num_trans)); -PNG_EXTERN void png_do_expand PNGARG((png_row_infop row_info, - png_bytep row, png_color_16p trans_value)); -#endif - -/* The following decodes the appropriate chunks, and does error correction, - * then calls the appropriate callback for the chunk if it is valid. - */ - -/* decode the IHDR chunk */ -PNG_EXTERN void png_handle_IHDR PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -PNG_EXTERN void png_handle_PLTE PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -PNG_EXTERN void png_handle_IEND PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); - -#if defined(PNG_READ_bKGD_SUPPORTED) -PNG_EXTERN void png_handle_bKGD PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -#if defined(PNG_READ_cHRM_SUPPORTED) -PNG_EXTERN void png_handle_cHRM PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -#if defined(PNG_READ_gAMA_SUPPORTED) -PNG_EXTERN void png_handle_gAMA PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -#if defined(PNG_READ_hIST_SUPPORTED) -PNG_EXTERN void png_handle_hIST PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -#if defined(PNG_READ_iCCP_SUPPORTED) -extern void png_handle_iCCP PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif /* PNG_READ_iCCP_SUPPORTED */ - -#if defined(PNG_READ_iTXt_SUPPORTED) -PNG_EXTERN void png_handle_iTXt PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -#if defined(PNG_READ_oFFs_SUPPORTED) -PNG_EXTERN void png_handle_oFFs PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -#if defined(PNG_READ_pCAL_SUPPORTED) -PNG_EXTERN void png_handle_pCAL PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -#if defined(PNG_READ_pHYs_SUPPORTED) -PNG_EXTERN void png_handle_pHYs PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -#if defined(PNG_READ_sBIT_SUPPORTED) -PNG_EXTERN void png_handle_sBIT PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -#if defined(PNG_READ_sCAL_SUPPORTED) -PNG_EXTERN void png_handle_sCAL PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -#if defined(PNG_READ_sPLT_SUPPORTED) -extern void png_handle_sPLT PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif /* PNG_READ_sPLT_SUPPORTED */ - -#if defined(PNG_READ_sRGB_SUPPORTED) -PNG_EXTERN void png_handle_sRGB PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -#if defined(PNG_READ_tEXt_SUPPORTED) -PNG_EXTERN void png_handle_tEXt PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -#if defined(PNG_READ_tIME_SUPPORTED) -PNG_EXTERN void png_handle_tIME PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -#if defined(PNG_READ_tRNS_SUPPORTED) -PNG_EXTERN void png_handle_tRNS PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -#if defined(PNG_READ_zTXt_SUPPORTED) -PNG_EXTERN void png_handle_zTXt PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif - -PNG_EXTERN void png_handle_unknown PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 length)); - -PNG_EXTERN void png_check_chunk_name PNGARG((png_structp png_ptr, - png_bytep chunk_name)); - -/* handle the transformations for reading and writing */ -PNG_EXTERN void png_do_read_transformations PNGARG((png_structp png_ptr)); -PNG_EXTERN void png_do_write_transformations PNGARG((png_structp png_ptr)); - -PNG_EXTERN void png_init_read_transformations PNGARG((png_structp png_ptr)); - -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -PNG_EXTERN void png_push_read_chunk PNGARG((png_structp png_ptr, - png_infop info_ptr)); -PNG_EXTERN void png_push_read_sig PNGARG((png_structp png_ptr, - png_infop info_ptr)); -PNG_EXTERN void png_push_check_crc PNGARG((png_structp png_ptr)); -PNG_EXTERN void png_push_crc_skip PNGARG((png_structp png_ptr, - png_uint_32 length)); -PNG_EXTERN void png_push_crc_finish PNGARG((png_structp png_ptr)); -PNG_EXTERN void png_push_save_buffer PNGARG((png_structp png_ptr)); -PNG_EXTERN void png_push_restore_buffer PNGARG((png_structp png_ptr, - png_bytep buffer, png_size_t buffer_length)); -PNG_EXTERN void png_push_read_IDAT PNGARG((png_structp png_ptr)); -PNG_EXTERN void png_process_IDAT_data PNGARG((png_structp png_ptr, - png_bytep buffer, png_size_t buffer_length)); -PNG_EXTERN void png_push_process_row PNGARG((png_structp png_ptr)); -PNG_EXTERN void png_push_handle_unknown PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 length)); -PNG_EXTERN void png_push_have_info PNGARG((png_structp png_ptr, - png_infop info_ptr)); -PNG_EXTERN void png_push_have_end PNGARG((png_structp png_ptr, - png_infop info_ptr)); -PNG_EXTERN void png_push_have_row PNGARG((png_structp png_ptr, png_bytep row)); -PNG_EXTERN void png_push_read_end PNGARG((png_structp png_ptr, - png_infop info_ptr)); -PNG_EXTERN void png_process_some_data PNGARG((png_structp png_ptr, - png_infop info_ptr)); -PNG_EXTERN void png_read_push_finish_row PNGARG((png_structp png_ptr)); -#if defined(PNG_READ_tEXt_SUPPORTED) -PNG_EXTERN void png_push_handle_tEXt PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 length)); -PNG_EXTERN void png_push_read_tEXt PNGARG((png_structp png_ptr, - png_infop info_ptr)); -#endif -#if defined(PNG_READ_zTXt_SUPPORTED) -PNG_EXTERN void png_push_handle_zTXt PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 length)); -PNG_EXTERN void png_push_read_zTXt PNGARG((png_structp png_ptr, - png_infop info_ptr)); -#endif -#if defined(PNG_READ_iTXt_SUPPORTED) -PNG_EXTERN void png_push_handle_iTXt PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 length)); -PNG_EXTERN void png_push_read_iTXt PNGARG((png_structp png_ptr, - png_infop info_ptr)); -#endif - -#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ - -#ifdef PNG_MNG_FEATURES_SUPPORTED -PNG_EXTERN void png_do_read_intrapixel PNGARG((png_row_infop row_info, - png_bytep row)); -PNG_EXTERN void png_do_write_intrapixel PNGARG((png_row_infop row_info, - png_bytep row)); -#endif - -#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) -#if defined(PNG_MMX_CODE_SUPPORTED) -/* png.c */ /* PRIVATE */ -PNG_EXTERN void png_init_mmx_flags PNGARG((png_structp png_ptr)); -#endif -#endif - -#if defined(PNG_INCH_CONVERSIONS) && defined(PNG_FLOATING_POINT_SUPPORTED) -PNG_EXTERN png_uint_32 png_get_pixels_per_inch PNGARG((png_structp png_ptr, -png_infop info_ptr)); - -PNG_EXTERN png_uint_32 png_get_x_pixels_per_inch PNGARG((png_structp png_ptr, -png_infop info_ptr)); - -PNG_EXTERN png_uint_32 png_get_y_pixels_per_inch PNGARG((png_structp png_ptr, -png_infop info_ptr)); - -PNG_EXTERN float png_get_x_offset_inches PNGARG((png_structp png_ptr, -png_infop info_ptr)); - -PNG_EXTERN float png_get_y_offset_inches PNGARG((png_structp png_ptr, -png_infop info_ptr)); - -#if defined(PNG_pHYs_SUPPORTED) -PNG_EXTERN png_uint_32 png_get_pHYs_dpi PNGARG((png_structp png_ptr, -png_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)); -#endif /* PNG_pHYs_SUPPORTED */ -#endif /* PNG_INCH_CONVERSIONS && PNG_FLOATING_POINT_SUPPORTED */ - -/* Read the chunk header (length + type name) */ -PNG_EXTERN png_uint_32 png_read_chunk_header PNGARG((png_structp png_ptr)); - -/* Added at libpng version 1.2.34 */ -#if defined(PNG_cHRM_SUPPORTED) -PNG_EXTERN int png_check_cHRM_fixed PNGARG((png_structp png_ptr, - png_fixed_point int_white_x, png_fixed_point int_white_y, - png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_point - int_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x, - png_fixed_point int_blue_y)); -#endif - -/* Maintainer: Put new private prototypes here ^ and in libpngpf.3 */ - -#endif /* PNG_INTERNAL */ - -#ifdef __cplusplus -} -#endif - -#endif /* PNG_VERSION_INFO_ONLY */ -/* do not put anything past this line */ -#endif /* PNG_H */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngbar.jpg b/Build/source/libs/libpng/libpng-1.2.34/pngbar.jpg deleted file mode 100644 index 70ba8d817ce..00000000000 Binary files a/Build/source/libs/libpng/libpng-1.2.34/pngbar.jpg and /dev/null differ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngbar.png b/Build/source/libs/libpng/libpng-1.2.34/pngbar.png deleted file mode 100644 index 49798c8ed95..00000000000 Binary files a/Build/source/libs/libpng/libpng-1.2.34/pngbar.png and /dev/null differ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngconf.h b/Build/source/libs/libpng/libpng-1.2.34/pngconf.h deleted file mode 100644 index 464458d0fb7..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngconf.h +++ /dev/null @@ -1,1487 +0,0 @@ - -/* pngconf.h - machine configurable file for libpng - * - * libpng version 1.2.34 - December 18, 2008 - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - */ - -/* Any machine specific code is near the front of this file, so if you - * are configuring libpng for a machine, you may want to read the section - * starting here down to where it starts to typedef png_color, png_text, - * and png_info. - */ - -#ifndef PNGCONF_H -#define PNGCONF_H - -#define PNG_1_2_X - -/* - * PNG_USER_CONFIG has to be defined on the compiler command line. This - * includes the resource compiler for Windows DLL configurations. - */ -#ifdef PNG_USER_CONFIG -# ifndef PNG_USER_PRIVATEBUILD -# define PNG_USER_PRIVATEBUILD -# endif -#include "pngusr.h" -#endif - -/* PNG_CONFIGURE_LIBPNG is set by the "configure" script. */ -#ifdef PNG_CONFIGURE_LIBPNG -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#endif - -/* - * Added at libpng-1.2.8 - * - * If you create a private DLL you need to define in "pngusr.h" the followings: - * #define PNG_USER_PRIVATEBUILD - * e.g. #define PNG_USER_PRIVATEBUILD "Build by MyCompany for xyz reasons." - * #define PNG_USER_DLLFNAME_POSTFIX - * e.g. // private DLL "libpng13gx.dll" - * #define PNG_USER_DLLFNAME_POSTFIX "gx" - * - * The following macros are also at your disposal if you want to complete the - * DLL VERSIONINFO structure. - * - PNG_USER_VERSIONINFO_COMMENTS - * - PNG_USER_VERSIONINFO_COMPANYNAME - * - PNG_USER_VERSIONINFO_LEGALTRADEMARKS - */ - -#ifdef __STDC__ -#ifdef SPECIALBUILD -# pragma message("PNG_LIBPNG_SPECIALBUILD (and deprecated SPECIALBUILD)\ - are now LIBPNG reserved macros. Use PNG_USER_PRIVATEBUILD instead.") -#endif - -#ifdef PRIVATEBUILD -# pragma message("PRIVATEBUILD is deprecated.\ - Use PNG_USER_PRIVATEBUILD instead.") -# define PNG_USER_PRIVATEBUILD PRIVATEBUILD -#endif -#endif /* __STDC__ */ - -#ifndef PNG_VERSION_INFO_ONLY - -/* End of material added to libpng-1.2.8 */ - -/* Added at libpng-1.2.19, removed at libpng-1.2.20 because it caused trouble - Restored at libpng-1.2.21 */ -#if !defined(PNG_NO_WARN_UNINITIALIZED_ROW) && \ - !defined(PNG_WARN_UNINITIALIZED_ROW) -# define PNG_WARN_UNINITIALIZED_ROW 1 -#endif -/* End of material added at libpng-1.2.19/1.2.21 */ - -/* This is the size of the compression buffer, and thus the size of - * an IDAT chunk. Make this whatever size you feel is best for your - * machine. One of these will be allocated per png_struct. When this - * is full, it writes the data to the disk, and does some other - * calculations. Making this an extremely small size will slow - * the library down, but you may want to experiment to determine - * where it becomes significant, if you are concerned with memory - * usage. Note that zlib allocates at least 32Kb also. For readers, - * this describes the size of the buffer available to read the data in. - * Unless this gets smaller than the size of a row (compressed), - * it should not make much difference how big this is. - */ - -#ifndef PNG_ZBUF_SIZE -# define PNG_ZBUF_SIZE 8192 -#endif - -/* Enable if you want a write-only libpng */ - -#ifndef PNG_NO_READ_SUPPORTED -# define PNG_READ_SUPPORTED -#endif - -/* Enable if you want a read-only libpng */ - -#ifndef PNG_NO_WRITE_SUPPORTED -# define PNG_WRITE_SUPPORTED -#endif - -/* Enabled by default in 1.2.0. You can disable this if you don't need to - support PNGs that are embedded in MNG datastreams */ -#if !defined(PNG_1_0_X) && !defined(PNG_NO_MNG_FEATURES) -# ifndef PNG_MNG_FEATURES_SUPPORTED -# define PNG_MNG_FEATURES_SUPPORTED -# endif -#endif - -#ifndef PNG_NO_FLOATING_POINT_SUPPORTED -# ifndef PNG_FLOATING_POINT_SUPPORTED -# define PNG_FLOATING_POINT_SUPPORTED -# endif -#endif - -/* If you are running on a machine where you cannot allocate more - * than 64K of memory at once, uncomment this. While libpng will not - * normally need that much memory in a chunk (unless you load up a very - * large file), zlib needs to know how big of a chunk it can use, and - * libpng thus makes sure to check any memory allocation to verify it - * will fit into memory. -#define PNG_MAX_MALLOC_64K - */ -#if defined(MAXSEG_64K) && !defined(PNG_MAX_MALLOC_64K) -# define PNG_MAX_MALLOC_64K -#endif - -/* Special munging to support doing things the 'cygwin' way: - * 'Normal' png-on-win32 defines/defaults: - * PNG_BUILD_DLL -- building dll - * PNG_USE_DLL -- building an application, linking to dll - * (no define) -- building static library, or building an - * application and linking to the static lib - * 'Cygwin' defines/defaults: - * PNG_BUILD_DLL -- (ignored) building the dll - * (no define) -- (ignored) building an application, linking to the dll - * PNG_STATIC -- (ignored) building the static lib, or building an - * application that links to the static lib. - * ALL_STATIC -- (ignored) building various static libs, or building an - * application that links to the static libs. - * Thus, - * a cygwin user should define either PNG_BUILD_DLL or PNG_STATIC, and - * this bit of #ifdefs will define the 'correct' config variables based on - * that. If a cygwin user *wants* to define 'PNG_USE_DLL' that's okay, but - * unnecessary. - * - * Also, the precedence order is: - * ALL_STATIC (since we can't #undef something outside our namespace) - * PNG_BUILD_DLL - * PNG_STATIC - * (nothing) == PNG_USE_DLL - * - * CYGWIN (2002-01-20): The preceding is now obsolete. With the advent - * of auto-import in binutils, we no longer need to worry about - * __declspec(dllexport) / __declspec(dllimport) and friends. Therefore, - * we don't need to worry about PNG_STATIC or ALL_STATIC when it comes - * to __declspec() stuff. However, we DO need to worry about - * PNG_BUILD_DLL and PNG_STATIC because those change some defaults - * such as CONSOLE_IO and whether GLOBAL_ARRAYS are allowed. - */ -#if defined(__CYGWIN__) -# if defined(ALL_STATIC) -# if defined(PNG_BUILD_DLL) -# undef PNG_BUILD_DLL -# endif -# if defined(PNG_USE_DLL) -# undef PNG_USE_DLL -# endif -# if defined(PNG_DLL) -# undef PNG_DLL -# endif -# if !defined(PNG_STATIC) -# define PNG_STATIC -# endif -# else -# if defined (PNG_BUILD_DLL) -# if defined(PNG_STATIC) -# undef PNG_STATIC -# endif -# if defined(PNG_USE_DLL) -# undef PNG_USE_DLL -# endif -# if !defined(PNG_DLL) -# define PNG_DLL -# endif -# else -# if defined(PNG_STATIC) -# if defined(PNG_USE_DLL) -# undef PNG_USE_DLL -# endif -# if defined(PNG_DLL) -# undef PNG_DLL -# endif -# else -# if !defined(PNG_USE_DLL) -# define PNG_USE_DLL -# endif -# if !defined(PNG_DLL) -# define PNG_DLL -# endif -# endif -# endif -# endif -#endif - -/* This protects us against compilers that run on a windowing system - * and thus don't have or would rather us not use the stdio types: - * stdin, stdout, and stderr. The only one currently used is stderr - * in png_error() and png_warning(). #defining PNG_NO_CONSOLE_IO will - * prevent these from being compiled and used. #defining PNG_NO_STDIO - * will also prevent these, plus will prevent the entire set of stdio - * macros and functions (FILE *, printf, etc.) from being compiled and used, - * unless (PNG_DEBUG > 0) has been #defined. - * - * #define PNG_NO_CONSOLE_IO - * #define PNG_NO_STDIO - */ - -#if defined(_WIN32_WCE) -# include - /* Console I/O functions are not supported on WindowsCE */ -# define PNG_NO_CONSOLE_IO -# ifdef PNG_DEBUG -# undef PNG_DEBUG -# endif -#endif - -#ifdef PNG_BUILD_DLL -# ifndef PNG_CONSOLE_IO_SUPPORTED -# ifndef PNG_NO_CONSOLE_IO -# define PNG_NO_CONSOLE_IO -# endif -# endif -#endif - -# ifdef PNG_NO_STDIO -# ifndef PNG_NO_CONSOLE_IO -# define PNG_NO_CONSOLE_IO -# endif -# ifdef PNG_DEBUG -# if (PNG_DEBUG > 0) -# include -# endif -# endif -# else -# if !defined(_WIN32_WCE) -/* "stdio.h" functions are not supported on WindowsCE */ -# include -# endif -# endif - -/* This macro protects us against machines that don't have function - * prototypes (ie K&R style headers). If your compiler does not handle - * function prototypes, define this macro and use the included ansi2knr. - * I've always been able to use _NO_PROTO as the indicator, but you may - * need to drag the empty declaration out in front of here, or change the - * ifdef to suit your own needs. - */ -#ifndef PNGARG - -#ifdef OF /* zlib prototype munger */ -# define PNGARG(arglist) OF(arglist) -#else - -#ifdef _NO_PROTO -# define PNGARG(arglist) () -# ifndef PNG_TYPECAST_NULL -# define PNG_TYPECAST_NULL -# endif -#else -# define PNGARG(arglist) arglist -#endif /* _NO_PROTO */ - - -#endif /* OF */ - -#endif /* PNGARG */ - -/* Try to determine if we are compiling on a Mac. Note that testing for - * just __MWERKS__ is not good enough, because the Codewarrior is now used - * on non-Mac platforms. - */ -#ifndef MACOS -# if (defined(__MWERKS__) && defined(macintosh)) || defined(applec) || \ - defined(THINK_C) || defined(__SC__) || defined(TARGET_OS_MAC) -# define MACOS -# endif -#endif - -/* enough people need this for various reasons to include it here */ -#if !defined(MACOS) && !defined(RISCOS) && !defined(_WIN32_WCE) -# include -#endif - -#if !defined(PNG_SETJMP_NOT_SUPPORTED) && !defined(PNG_NO_SETJMP_SUPPORTED) -# define PNG_SETJMP_SUPPORTED -#endif - -#ifdef PNG_SETJMP_SUPPORTED -/* This is an attempt to force a single setjmp behaviour on Linux. If - * the X config stuff didn't define _BSD_SOURCE we wouldn't need this. - */ - -# ifdef __linux__ -# ifdef _BSD_SOURCE -# define PNG_SAVE_BSD_SOURCE -# undef _BSD_SOURCE -# endif -# ifdef _SETJMP_H - /* If you encounter a compiler error here, see the explanation - * near the end of INSTALL. - */ - __pngconf.h__ already includes setjmp.h; - __dont__ include it again.; -# endif -# endif /* __linux__ */ - - /* include setjmp.h for error handling */ -# include - -# ifdef __linux__ -# ifdef PNG_SAVE_BSD_SOURCE -# ifndef _BSD_SOURCE -# define _BSD_SOURCE -# endif -# undef PNG_SAVE_BSD_SOURCE -# endif -# endif /* __linux__ */ -#endif /* PNG_SETJMP_SUPPORTED */ - -#ifdef BSD -# include -#else -# include -#endif - -/* Other defines for things like memory and the like can go here. */ -#ifdef PNG_INTERNAL - -#include - -/* The functions exported by PNG_EXTERN are PNG_INTERNAL functions, which - * aren't usually used outside the library (as far as I know), so it is - * debatable if they should be exported at all. In the future, when it is - * possible to have run-time registry of chunk-handling functions, some of - * these will be made available again. -#define PNG_EXTERN extern - */ -#define PNG_EXTERN - -/* Other defines specific to compilers can go here. Try to keep - * them inside an appropriate ifdef/endif pair for portability. - */ - -#if defined(PNG_FLOATING_POINT_SUPPORTED) -# if defined(MACOS) - /* We need to check that hasn't already been included earlier - * as it seems it doesn't agree with , yet we should really use - * if possible. - */ -# if !defined(__MATH_H__) && !defined(__MATH_H) && !defined(__cmath__) -# include -# endif -# else -# include -# endif -# if defined(_AMIGA) && defined(__SASC) && defined(_M68881) - /* Amiga SAS/C: We must include builtin FPU functions when compiling using - * MATH=68881 - */ -# include -# endif -#endif - -/* Codewarrior on NT has linking problems without this. */ -#if (defined(__MWERKS__) && defined(WIN32)) || defined(__STDC__) -# define PNG_ALWAYS_EXTERN -#endif - -/* This provides the non-ANSI (far) memory allocation routines. */ -#if defined(__TURBOC__) && defined(__MSDOS__) -# include -# include -#endif - -/* I have no idea why is this necessary... */ -#if defined(_MSC_VER) && (defined(WIN32) || defined(_Windows) || \ - defined(_WINDOWS) || defined(_WIN32) || defined(__WIN32__)) -# include -#endif - -/* This controls how fine the dithering gets. As this allocates - * a largish chunk of memory (32K), those who are not as concerned - * with dithering quality can decrease some or all of these. - */ -#ifndef PNG_DITHER_RED_BITS -# define PNG_DITHER_RED_BITS 5 -#endif -#ifndef PNG_DITHER_GREEN_BITS -# define PNG_DITHER_GREEN_BITS 5 -#endif -#ifndef PNG_DITHER_BLUE_BITS -# define PNG_DITHER_BLUE_BITS 5 -#endif - -/* This controls how fine the gamma correction becomes when you - * are only interested in 8 bits anyway. Increasing this value - * results in more memory being used, and more pow() functions - * being called to fill in the gamma tables. Don't set this value - * less then 8, and even that may not work (I haven't tested it). - */ - -#ifndef PNG_MAX_GAMMA_8 -# define PNG_MAX_GAMMA_8 11 -#endif - -/* This controls how much a difference in gamma we can tolerate before - * we actually start doing gamma conversion. - */ -#ifndef PNG_GAMMA_THRESHOLD -# define PNG_GAMMA_THRESHOLD 0.05 -#endif - -#endif /* PNG_INTERNAL */ - -/* The following uses const char * instead of char * for error - * and warning message functions, so some compilers won't complain. - * If you do not want to use const, define PNG_NO_CONST here. - */ - -#ifndef PNG_NO_CONST -# define PNG_CONST const -#else -# define PNG_CONST -#endif - -/* The following defines give you the ability to remove code from the - * library that you will not be using. I wish I could figure out how to - * automate this, but I can't do that without making it seriously hard - * on the users. So if you are not using an ability, change the #define - * to and #undef, and that part of the library will not be compiled. If - * your linker can't find a function, you may want to make sure the - * ability is defined here. Some of these depend upon some others being - * defined. I haven't figured out all the interactions here, so you may - * have to experiment awhile to get everything to compile. If you are - * creating or using a shared library, you probably shouldn't touch this, - * as it will affect the size of the structures, and this will cause bad - * things to happen if the library and/or application ever change. - */ - -/* Any features you will not be using can be undef'ed here */ - -/* GR-P, 0.96a: Set "*TRANSFORMS_SUPPORTED as default but allow user - * to turn it off with "*TRANSFORMS_NOT_SUPPORTED" or *PNG_NO_*_TRANSFORMS - * on the compile line, then pick and choose which ones to define without - * having to edit this file. It is safe to use the *TRANSFORMS_NOT_SUPPORTED - * if you only want to have a png-compliant reader/writer but don't need - * any of the extra transformations. This saves about 80 kbytes in a - * typical installation of the library. (PNG_NO_* form added in version - * 1.0.1c, for consistency) - */ - -/* The size of the png_text structure changed in libpng-1.0.6 when - * iTXt support was added. iTXt support was turned off by default through - * libpng-1.2.x, to support old apps that malloc the png_text structure - * instead of calling png_set_text() and letting libpng malloc it. It - * was turned on by default in libpng-1.3.0. - */ - -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -# ifndef PNG_NO_iTXt_SUPPORTED -# define PNG_NO_iTXt_SUPPORTED -# endif -# ifndef PNG_NO_READ_iTXt -# define PNG_NO_READ_iTXt -# endif -# ifndef PNG_NO_WRITE_iTXt -# define PNG_NO_WRITE_iTXt -# endif -#endif - -#if !defined(PNG_NO_iTXt_SUPPORTED) -# if !defined(PNG_READ_iTXt_SUPPORTED) && !defined(PNG_NO_READ_iTXt) -# define PNG_READ_iTXt -# endif -# if !defined(PNG_WRITE_iTXt_SUPPORTED) && !defined(PNG_NO_WRITE_iTXt) -# define PNG_WRITE_iTXt -# endif -#endif - -/* The following support, added after version 1.0.0, can be turned off here en - * masse by defining PNG_LEGACY_SUPPORTED in case you need binary compatibility - * with old applications that require the length of png_struct and png_info - * to remain unchanged. - */ - -#ifdef PNG_LEGACY_SUPPORTED -# define PNG_NO_FREE_ME -# define PNG_NO_READ_UNKNOWN_CHUNKS -# define PNG_NO_WRITE_UNKNOWN_CHUNKS -# define PNG_NO_READ_USER_CHUNKS -# define PNG_NO_READ_iCCP -# define PNG_NO_WRITE_iCCP -# define PNG_NO_READ_iTXt -# define PNG_NO_WRITE_iTXt -# define PNG_NO_READ_sCAL -# define PNG_NO_WRITE_sCAL -# define PNG_NO_READ_sPLT -# define PNG_NO_WRITE_sPLT -# define PNG_NO_INFO_IMAGE -# define PNG_NO_READ_RGB_TO_GRAY -# define PNG_NO_READ_USER_TRANSFORM -# define PNG_NO_WRITE_USER_TRANSFORM -# define PNG_NO_USER_MEM -# define PNG_NO_READ_EMPTY_PLTE -# define PNG_NO_MNG_FEATURES -# define PNG_NO_FIXED_POINT_SUPPORTED -#endif - -/* Ignore attempt to turn off both floating and fixed point support */ -#if !defined(PNG_FLOATING_POINT_SUPPORTED) || \ - !defined(PNG_NO_FIXED_POINT_SUPPORTED) -# define PNG_FIXED_POINT_SUPPORTED -#endif - -#ifndef PNG_NO_FREE_ME -# define PNG_FREE_ME_SUPPORTED -#endif - -#if defined(PNG_READ_SUPPORTED) - -#if !defined(PNG_READ_TRANSFORMS_NOT_SUPPORTED) && \ - !defined(PNG_NO_READ_TRANSFORMS) -# define PNG_READ_TRANSFORMS_SUPPORTED -#endif - -#ifdef PNG_READ_TRANSFORMS_SUPPORTED -# ifndef PNG_NO_READ_EXPAND -# define PNG_READ_EXPAND_SUPPORTED -# endif -# ifndef PNG_NO_READ_SHIFT -# define PNG_READ_SHIFT_SUPPORTED -# endif -# ifndef PNG_NO_READ_PACK -# define PNG_READ_PACK_SUPPORTED -# endif -# ifndef PNG_NO_READ_BGR -# define PNG_READ_BGR_SUPPORTED -# endif -# ifndef PNG_NO_READ_SWAP -# define PNG_READ_SWAP_SUPPORTED -# endif -# ifndef PNG_NO_READ_PACKSWAP -# define PNG_READ_PACKSWAP_SUPPORTED -# endif -# ifndef PNG_NO_READ_INVERT -# define PNG_READ_INVERT_SUPPORTED -# endif -# ifndef PNG_NO_READ_DITHER -# define PNG_READ_DITHER_SUPPORTED -# endif -# ifndef PNG_NO_READ_BACKGROUND -# define PNG_READ_BACKGROUND_SUPPORTED -# endif -# ifndef PNG_NO_READ_16_TO_8 -# define PNG_READ_16_TO_8_SUPPORTED -# endif -# ifndef PNG_NO_READ_FILLER -# define PNG_READ_FILLER_SUPPORTED -# endif -# ifndef PNG_NO_READ_GAMMA -# define PNG_READ_GAMMA_SUPPORTED -# endif -# ifndef PNG_NO_READ_GRAY_TO_RGB -# define PNG_READ_GRAY_TO_RGB_SUPPORTED -# endif -# ifndef PNG_NO_READ_SWAP_ALPHA -# define PNG_READ_SWAP_ALPHA_SUPPORTED -# endif -# ifndef PNG_NO_READ_INVERT_ALPHA -# define PNG_READ_INVERT_ALPHA_SUPPORTED -# endif -# ifndef PNG_NO_READ_STRIP_ALPHA -# define PNG_READ_STRIP_ALPHA_SUPPORTED -# endif -# ifndef PNG_NO_READ_USER_TRANSFORM -# define PNG_READ_USER_TRANSFORM_SUPPORTED -# endif -# ifndef PNG_NO_READ_RGB_TO_GRAY -# define PNG_READ_RGB_TO_GRAY_SUPPORTED -# endif -#endif /* PNG_READ_TRANSFORMS_SUPPORTED */ - -#if !defined(PNG_NO_PROGRESSIVE_READ) && \ - !defined(PNG_PROGRESSIVE_READ_SUPPORTED) /* if you don't do progressive */ -# define PNG_PROGRESSIVE_READ_SUPPORTED /* reading. This is not talking */ -#endif /* about interlacing capability! You'll */ - /* still have interlacing unless you change the following line: */ - -#define PNG_READ_INTERLACING_SUPPORTED /* required in PNG-compliant decoders */ - -#ifndef PNG_NO_READ_COMPOSITE_NODIV -# ifndef PNG_NO_READ_COMPOSITED_NODIV /* libpng-1.0.x misspelling */ -# define PNG_READ_COMPOSITE_NODIV_SUPPORTED /* well tested on Intel, SGI */ -# endif -#endif - -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -/* Deprecated, will be removed from version 2.0.0. - Use PNG_MNG_FEATURES_SUPPORTED instead. */ -#ifndef PNG_NO_READ_EMPTY_PLTE -# define PNG_READ_EMPTY_PLTE_SUPPORTED -#endif -#endif - -#endif /* PNG_READ_SUPPORTED */ - -#if defined(PNG_WRITE_SUPPORTED) - -# if !defined(PNG_WRITE_TRANSFORMS_NOT_SUPPORTED) && \ - !defined(PNG_NO_WRITE_TRANSFORMS) -# define PNG_WRITE_TRANSFORMS_SUPPORTED -#endif - -#ifdef PNG_WRITE_TRANSFORMS_SUPPORTED -# ifndef PNG_NO_WRITE_SHIFT -# define PNG_WRITE_SHIFT_SUPPORTED -# endif -# ifndef PNG_NO_WRITE_PACK -# define PNG_WRITE_PACK_SUPPORTED -# endif -# ifndef PNG_NO_WRITE_BGR -# define PNG_WRITE_BGR_SUPPORTED -# endif -# ifndef PNG_NO_WRITE_SWAP -# define PNG_WRITE_SWAP_SUPPORTED -# endif -# ifndef PNG_NO_WRITE_PACKSWAP -# define PNG_WRITE_PACKSWAP_SUPPORTED -# endif -# ifndef PNG_NO_WRITE_INVERT -# define PNG_WRITE_INVERT_SUPPORTED -# endif -# ifndef PNG_NO_WRITE_FILLER -# define PNG_WRITE_FILLER_SUPPORTED /* same as WRITE_STRIP_ALPHA */ -# endif -# ifndef PNG_NO_WRITE_SWAP_ALPHA -# define PNG_WRITE_SWAP_ALPHA_SUPPORTED -# endif -# ifndef PNG_NO_WRITE_INVERT_ALPHA -# define PNG_WRITE_INVERT_ALPHA_SUPPORTED -# endif -# ifndef PNG_NO_WRITE_USER_TRANSFORM -# define PNG_WRITE_USER_TRANSFORM_SUPPORTED -# endif -#endif /* PNG_WRITE_TRANSFORMS_SUPPORTED */ - -#if !defined(PNG_NO_WRITE_INTERLACING_SUPPORTED) && \ - !defined(PNG_WRITE_INTERLACING_SUPPORTED) -#define PNG_WRITE_INTERLACING_SUPPORTED /* not required for PNG-compliant - encoders, but can cause trouble - if left undefined */ -#endif - -#if !defined(PNG_NO_WRITE_WEIGHTED_FILTER) && \ - !defined(PNG_WRITE_WEIGHTED_FILTER) && \ - defined(PNG_FLOATING_POINT_SUPPORTED) -# define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED -#endif - -#ifndef PNG_NO_WRITE_FLUSH -# define PNG_WRITE_FLUSH_SUPPORTED -#endif - -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -/* Deprecated, see PNG_MNG_FEATURES_SUPPORTED, above */ -#ifndef PNG_NO_WRITE_EMPTY_PLTE -# define PNG_WRITE_EMPTY_PLTE_SUPPORTED -#endif -#endif - -#endif /* PNG_WRITE_SUPPORTED */ - -#ifndef PNG_1_0_X -# ifndef PNG_NO_ERROR_NUMBERS -# define PNG_ERROR_NUMBERS_SUPPORTED -# endif -#endif /* PNG_1_0_X */ - -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) -# ifndef PNG_NO_USER_TRANSFORM_PTR -# define PNG_USER_TRANSFORM_PTR_SUPPORTED -# endif -#endif - -#ifndef PNG_NO_STDIO -# define PNG_TIME_RFC1123_SUPPORTED -#endif - -/* This adds extra functions in pngget.c for accessing data from the - * info pointer (added in version 0.99) - * png_get_image_width() - * png_get_image_height() - * png_get_bit_depth() - * png_get_color_type() - * png_get_compression_type() - * png_get_filter_type() - * png_get_interlace_type() - * png_get_pixel_aspect_ratio() - * png_get_pixels_per_meter() - * png_get_x_offset_pixels() - * png_get_y_offset_pixels() - * png_get_x_offset_microns() - * png_get_y_offset_microns() - */ -#if !defined(PNG_NO_EASY_ACCESS) && !defined(PNG_EASY_ACCESS_SUPPORTED) -# define PNG_EASY_ACCESS_SUPPORTED -#endif - -/* PNG_ASSEMBLER_CODE was enabled by default in version 1.2.0 - * and removed from version 1.2.20. The following will be removed - * from libpng-1.4.0 -*/ - -#if defined(PNG_READ_SUPPORTED) && !defined(PNG_NO_OPTIMIZED_CODE) -# ifndef PNG_OPTIMIZED_CODE_SUPPORTED -# define PNG_OPTIMIZED_CODE_SUPPORTED -# endif -#endif - -#if defined(PNG_READ_SUPPORTED) && !defined(PNG_NO_ASSEMBLER_CODE) -# ifndef PNG_ASSEMBLER_CODE_SUPPORTED -# define PNG_ASSEMBLER_CODE_SUPPORTED -# endif - -# if defined(__GNUC__) && defined(__x86_64__) && (__GNUC__ < 4) - /* work around 64-bit gcc compiler bugs in gcc-3.x */ -# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) -# define PNG_NO_MMX_CODE -# endif -# endif - -# if defined(__APPLE__) -# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) -# define PNG_NO_MMX_CODE -# endif -# endif - -# if (defined(__MWERKS__) && ((__MWERKS__ < 0x0900) || macintosh)) -# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) -# define PNG_NO_MMX_CODE -# endif -# endif - -# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) -# define PNG_MMX_CODE_SUPPORTED -# endif - -#endif -/* end of obsolete code to be removed from libpng-1.4.0 */ - -#if !defined(PNG_1_0_X) -#if !defined(PNG_NO_USER_MEM) && !defined(PNG_USER_MEM_SUPPORTED) -# define PNG_USER_MEM_SUPPORTED -#endif -#endif /* PNG_1_0_X */ - -/* Added at libpng-1.2.6 */ -#if !defined(PNG_1_0_X) -#ifndef PNG_SET_USER_LIMITS_SUPPORTED -#if !defined(PNG_NO_SET_USER_LIMITS) && !defined(PNG_SET_USER_LIMITS_SUPPORTED) -# define PNG_SET_USER_LIMITS_SUPPORTED -#endif -#endif -#endif /* PNG_1_0_X */ - -/* Added at libpng-1.0.16 and 1.2.6. To accept all valid PNGS no matter - * how large, set these limits to 0x7fffffffL - */ -#ifndef PNG_USER_WIDTH_MAX -# define PNG_USER_WIDTH_MAX 1000000L -#endif -#ifndef PNG_USER_HEIGHT_MAX -# define PNG_USER_HEIGHT_MAX 1000000L -#endif - - -/* Added at libpng-1.2.34 and 1.4.0 */ -#ifndef PNG_STRING_NEWLINE -#define PNG_STRING_NEWLINE "\n" -#endif - -/* These are currently experimental features, define them if you want */ - -/* very little testing */ -/* -#ifdef PNG_READ_SUPPORTED -# ifndef PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED -# define PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED -# endif -#endif -*/ - -/* This is only for PowerPC big-endian and 680x0 systems */ -/* some testing */ -/* -#ifndef PNG_READ_BIG_ENDIAN_SUPPORTED -# define PNG_READ_BIG_ENDIAN_SUPPORTED -#endif -*/ - -/* Buggy compilers (e.g., gcc 2.7.2.2) need this */ -/* -#define PNG_NO_POINTER_INDEXING -*/ - -/* These functions are turned off by default, as they will be phased out. */ -/* -#define PNG_USELESS_TESTS_SUPPORTED -#define PNG_CORRECT_PALETTE_SUPPORTED -*/ - -/* Any chunks you are not interested in, you can undef here. The - * ones that allocate memory may be expecially important (hIST, - * tEXt, zTXt, tRNS, pCAL). Others will just save time and make png_info - * a bit smaller. - */ - -#if defined(PNG_READ_SUPPORTED) && \ - !defined(PNG_READ_ANCILLARY_CHUNKS_NOT_SUPPORTED) && \ - !defined(PNG_NO_READ_ANCILLARY_CHUNKS) -# define PNG_READ_ANCILLARY_CHUNKS_SUPPORTED -#endif - -#if defined(PNG_WRITE_SUPPORTED) && \ - !defined(PNG_WRITE_ANCILLARY_CHUNKS_NOT_SUPPORTED) && \ - !defined(PNG_NO_WRITE_ANCILLARY_CHUNKS) -# define PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED -#endif - -#ifdef PNG_READ_ANCILLARY_CHUNKS_SUPPORTED - -#ifdef PNG_NO_READ_TEXT -# define PNG_NO_READ_iTXt -# define PNG_NO_READ_tEXt -# define PNG_NO_READ_zTXt -#endif -#ifndef PNG_NO_READ_bKGD -# define PNG_READ_bKGD_SUPPORTED -# define PNG_bKGD_SUPPORTED -#endif -#ifndef PNG_NO_READ_cHRM -# define PNG_READ_cHRM_SUPPORTED -# define PNG_cHRM_SUPPORTED -#endif -#ifndef PNG_NO_READ_gAMA -# define PNG_READ_gAMA_SUPPORTED -# define PNG_gAMA_SUPPORTED -#endif -#ifndef PNG_NO_READ_hIST -# define PNG_READ_hIST_SUPPORTED -# define PNG_hIST_SUPPORTED -#endif -#ifndef PNG_NO_READ_iCCP -# define PNG_READ_iCCP_SUPPORTED -# define PNG_iCCP_SUPPORTED -#endif -#ifndef PNG_NO_READ_iTXt -# ifndef PNG_READ_iTXt_SUPPORTED -# define PNG_READ_iTXt_SUPPORTED -# endif -# ifndef PNG_iTXt_SUPPORTED -# define PNG_iTXt_SUPPORTED -# endif -#endif -#ifndef PNG_NO_READ_oFFs -# define PNG_READ_oFFs_SUPPORTED -# define PNG_oFFs_SUPPORTED -#endif -#ifndef PNG_NO_READ_pCAL -# define PNG_READ_pCAL_SUPPORTED -# define PNG_pCAL_SUPPORTED -#endif -#ifndef PNG_NO_READ_sCAL -# define PNG_READ_sCAL_SUPPORTED -# define PNG_sCAL_SUPPORTED -#endif -#ifndef PNG_NO_READ_pHYs -# define PNG_READ_pHYs_SUPPORTED -# define PNG_pHYs_SUPPORTED -#endif -#ifndef PNG_NO_READ_sBIT -# define PNG_READ_sBIT_SUPPORTED -# define PNG_sBIT_SUPPORTED -#endif -#ifndef PNG_NO_READ_sPLT -# define PNG_READ_sPLT_SUPPORTED -# define PNG_sPLT_SUPPORTED -#endif -#ifndef PNG_NO_READ_sRGB -# define PNG_READ_sRGB_SUPPORTED -# define PNG_sRGB_SUPPORTED -#endif -#ifndef PNG_NO_READ_tEXt -# define PNG_READ_tEXt_SUPPORTED -# define PNG_tEXt_SUPPORTED -#endif -#ifndef PNG_NO_READ_tIME -# define PNG_READ_tIME_SUPPORTED -# define PNG_tIME_SUPPORTED -#endif -#ifndef PNG_NO_READ_tRNS -# define PNG_READ_tRNS_SUPPORTED -# define PNG_tRNS_SUPPORTED -#endif -#ifndef PNG_NO_READ_zTXt -# define PNG_READ_zTXt_SUPPORTED -# define PNG_zTXt_SUPPORTED -#endif -#ifndef PNG_NO_READ_UNKNOWN_CHUNKS -# define PNG_READ_UNKNOWN_CHUNKS_SUPPORTED -# ifndef PNG_UNKNOWN_CHUNKS_SUPPORTED -# define PNG_UNKNOWN_CHUNKS_SUPPORTED -# endif -# ifndef PNG_NO_HANDLE_AS_UNKNOWN -# define PNG_HANDLE_AS_UNKNOWN_SUPPORTED -# endif -#endif -#if !defined(PNG_NO_READ_USER_CHUNKS) && \ - defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) -# define PNG_READ_USER_CHUNKS_SUPPORTED -# define PNG_USER_CHUNKS_SUPPORTED -# ifdef PNG_NO_READ_UNKNOWN_CHUNKS -# undef PNG_NO_READ_UNKNOWN_CHUNKS -# endif -# ifdef PNG_NO_HANDLE_AS_UNKNOWN -# undef PNG_NO_HANDLE_AS_UNKNOWN -# endif -#endif -#ifndef PNG_NO_READ_OPT_PLTE -# define PNG_READ_OPT_PLTE_SUPPORTED /* only affects support of the */ -#endif /* optional PLTE chunk in RGB and RGBA images */ -#if defined(PNG_READ_iTXt_SUPPORTED) || defined(PNG_READ_tEXt_SUPPORTED) || \ - defined(PNG_READ_zTXt_SUPPORTED) -# define PNG_READ_TEXT_SUPPORTED -# define PNG_TEXT_SUPPORTED -#endif - -#endif /* PNG_READ_ANCILLARY_CHUNKS_SUPPORTED */ - -#ifdef PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED - -#ifdef PNG_NO_WRITE_TEXT -# define PNG_NO_WRITE_iTXt -# define PNG_NO_WRITE_tEXt -# define PNG_NO_WRITE_zTXt -#endif -#ifndef PNG_NO_WRITE_bKGD -# define PNG_WRITE_bKGD_SUPPORTED -# ifndef PNG_bKGD_SUPPORTED -# define PNG_bKGD_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_cHRM -# define PNG_WRITE_cHRM_SUPPORTED -# ifndef PNG_cHRM_SUPPORTED -# define PNG_cHRM_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_gAMA -# define PNG_WRITE_gAMA_SUPPORTED -# ifndef PNG_gAMA_SUPPORTED -# define PNG_gAMA_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_hIST -# define PNG_WRITE_hIST_SUPPORTED -# ifndef PNG_hIST_SUPPORTED -# define PNG_hIST_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_iCCP -# define PNG_WRITE_iCCP_SUPPORTED -# ifndef PNG_iCCP_SUPPORTED -# define PNG_iCCP_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_iTXt -# ifndef PNG_WRITE_iTXt_SUPPORTED -# define PNG_WRITE_iTXt_SUPPORTED -# endif -# ifndef PNG_iTXt_SUPPORTED -# define PNG_iTXt_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_oFFs -# define PNG_WRITE_oFFs_SUPPORTED -# ifndef PNG_oFFs_SUPPORTED -# define PNG_oFFs_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_pCAL -# define PNG_WRITE_pCAL_SUPPORTED -# ifndef PNG_pCAL_SUPPORTED -# define PNG_pCAL_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_sCAL -# define PNG_WRITE_sCAL_SUPPORTED -# ifndef PNG_sCAL_SUPPORTED -# define PNG_sCAL_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_pHYs -# define PNG_WRITE_pHYs_SUPPORTED -# ifndef PNG_pHYs_SUPPORTED -# define PNG_pHYs_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_sBIT -# define PNG_WRITE_sBIT_SUPPORTED -# ifndef PNG_sBIT_SUPPORTED -# define PNG_sBIT_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_sPLT -# define PNG_WRITE_sPLT_SUPPORTED -# ifndef PNG_sPLT_SUPPORTED -# define PNG_sPLT_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_sRGB -# define PNG_WRITE_sRGB_SUPPORTED -# ifndef PNG_sRGB_SUPPORTED -# define PNG_sRGB_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_tEXt -# define PNG_WRITE_tEXt_SUPPORTED -# ifndef PNG_tEXt_SUPPORTED -# define PNG_tEXt_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_tIME -# define PNG_WRITE_tIME_SUPPORTED -# ifndef PNG_tIME_SUPPORTED -# define PNG_tIME_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_tRNS -# define PNG_WRITE_tRNS_SUPPORTED -# ifndef PNG_tRNS_SUPPORTED -# define PNG_tRNS_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_zTXt -# define PNG_WRITE_zTXt_SUPPORTED -# ifndef PNG_zTXt_SUPPORTED -# define PNG_zTXt_SUPPORTED -# endif -#endif -#ifndef PNG_NO_WRITE_UNKNOWN_CHUNKS -# define PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED -# ifndef PNG_UNKNOWN_CHUNKS_SUPPORTED -# define PNG_UNKNOWN_CHUNKS_SUPPORTED -# endif -# ifndef PNG_NO_HANDLE_AS_UNKNOWN -# ifndef PNG_HANDLE_AS_UNKNOWN_SUPPORTED -# define PNG_HANDLE_AS_UNKNOWN_SUPPORTED -# endif -# endif -#endif -#if defined(PNG_WRITE_iTXt_SUPPORTED) || defined(PNG_WRITE_tEXt_SUPPORTED) || \ - defined(PNG_WRITE_zTXt_SUPPORTED) -# define PNG_WRITE_TEXT_SUPPORTED -# ifndef PNG_TEXT_SUPPORTED -# define PNG_TEXT_SUPPORTED -# endif -#endif - -#endif /* PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED */ - -/* Turn this off to disable png_read_png() and - * png_write_png() and leave the row_pointers member - * out of the info structure. - */ -#ifndef PNG_NO_INFO_IMAGE -# define PNG_INFO_IMAGE_SUPPORTED -#endif - -/* need the time information for reading tIME chunks */ -#if defined(PNG_tIME_SUPPORTED) -# if !defined(_WIN32_WCE) - /* "time.h" functions are not supported on WindowsCE */ -# include -# endif -#endif - -/* Some typedefs to get us started. These should be safe on most of the - * common platforms. The typedefs should be at least as large as the - * numbers suggest (a png_uint_32 must be at least 32 bits long), but they - * don't have to be exactly that size. Some compilers dislike passing - * unsigned shorts as function parameters, so you may be better off using - * unsigned int for png_uint_16. Likewise, for 64-bit systems, you may - * want to have unsigned int for png_uint_32 instead of unsigned long. - */ - -typedef unsigned long png_uint_32; -typedef long png_int_32; -typedef unsigned short png_uint_16; -typedef short png_int_16; -typedef unsigned char png_byte; - -/* This is usually size_t. It is typedef'ed just in case you need it to - change (I'm not sure if you will or not, so I thought I'd be safe) */ -#ifdef PNG_SIZE_T - typedef PNG_SIZE_T png_size_t; -# define png_sizeof(x) png_convert_size(sizeof(x)) -#else - typedef size_t png_size_t; -# define png_sizeof(x) sizeof(x) -#endif - -/* The following is needed for medium model support. It cannot be in the - * PNG_INTERNAL section. Needs modification for other compilers besides - * MSC. Model independent support declares all arrays and pointers to be - * large using the far keyword. The zlib version used must also support - * model independent data. As of version zlib 1.0.4, the necessary changes - * have been made in zlib. The USE_FAR_KEYWORD define triggers other - * changes that are needed. (Tim Wegner) - */ - -/* Separate compiler dependencies (problem here is that zlib.h always - defines FAR. (SJT) */ -#ifdef __BORLANDC__ -# if defined(__LARGE__) || defined(__HUGE__) || defined(__COMPACT__) -# define LDATA 1 -# else -# define LDATA 0 -# endif - /* GRR: why is Cygwin in here? Cygwin is not Borland C... */ -# if !defined(__WIN32__) && !defined(__FLAT__) && !defined(__CYGWIN__) -# define PNG_MAX_MALLOC_64K -# if (LDATA != 1) -# ifndef FAR -# define FAR __far -# endif -# define USE_FAR_KEYWORD -# endif /* LDATA != 1 */ - /* Possibly useful for moving data out of default segment. - * Uncomment it if you want. Could also define FARDATA as - * const if your compiler supports it. (SJT) -# define FARDATA FAR - */ -# endif /* __WIN32__, __FLAT__, __CYGWIN__ */ -#endif /* __BORLANDC__ */ - - -/* Suggest testing for specific compiler first before testing for - * FAR. The Watcom compiler defines both __MEDIUM__ and M_I86MM, - * making reliance oncertain keywords suspect. (SJT) - */ - -/* MSC Medium model */ -#if defined(FAR) -# if defined(M_I86MM) -# define USE_FAR_KEYWORD -# define FARDATA FAR -# include -# endif -#endif - -/* SJT: default case */ -#ifndef FAR -# define FAR -#endif - -/* At this point FAR is always defined */ -#ifndef FARDATA -# define FARDATA -#endif - -/* Typedef for floating-point numbers that are converted - to fixed-point with a multiple of 100,000, e.g., int_gamma */ -typedef png_int_32 png_fixed_point; - -/* Add typedefs for pointers */ -typedef void FAR * png_voidp; -typedef png_byte FAR * png_bytep; -typedef png_uint_32 FAR * png_uint_32p; -typedef png_int_32 FAR * png_int_32p; -typedef png_uint_16 FAR * png_uint_16p; -typedef png_int_16 FAR * png_int_16p; -typedef PNG_CONST char FAR * png_const_charp; -typedef char FAR * png_charp; -typedef png_fixed_point FAR * png_fixed_point_p; - -#ifndef PNG_NO_STDIO -#if defined(_WIN32_WCE) -typedef HANDLE png_FILE_p; -#else -typedef FILE * png_FILE_p; -#endif -#endif - -#ifdef PNG_FLOATING_POINT_SUPPORTED -typedef double FAR * png_doublep; -#endif - -/* Pointers to pointers; i.e. arrays */ -typedef png_byte FAR * FAR * png_bytepp; -typedef png_uint_32 FAR * FAR * png_uint_32pp; -typedef png_int_32 FAR * FAR * png_int_32pp; -typedef png_uint_16 FAR * FAR * png_uint_16pp; -typedef png_int_16 FAR * FAR * png_int_16pp; -typedef PNG_CONST char FAR * FAR * png_const_charpp; -typedef char FAR * FAR * png_charpp; -typedef png_fixed_point FAR * FAR * png_fixed_point_pp; -#ifdef PNG_FLOATING_POINT_SUPPORTED -typedef double FAR * FAR * png_doublepp; -#endif - -/* Pointers to pointers to pointers; i.e., pointer to array */ -typedef char FAR * FAR * FAR * png_charppp; - -#if defined(PNG_1_0_X) || defined(PNG_1_2_X) -/* SPC - Is this stuff deprecated? */ -/* It'll be removed as of libpng-1.3.0 - GR-P */ -/* libpng typedefs for types in zlib. If zlib changes - * or another compression library is used, then change these. - * Eliminates need to change all the source files. - */ -typedef charf * png_zcharp; -typedef charf * FAR * png_zcharpp; -typedef z_stream FAR * png_zstreamp; -#endif /* (PNG_1_0_X) || defined(PNG_1_2_X) */ - -/* - * Define PNG_BUILD_DLL if the module being built is a Windows - * LIBPNG DLL. - * - * Define PNG_USE_DLL if you want to *link* to the Windows LIBPNG DLL. - * It is equivalent to Microsoft predefined macro _DLL that is - * automatically defined when you compile using the share - * version of the CRT (C Run-Time library) - * - * The cygwin mods make this behavior a little different: - * Define PNG_BUILD_DLL if you are building a dll for use with cygwin - * Define PNG_STATIC if you are building a static library for use with cygwin, - * -or- if you are building an application that you want to link to the - * static library. - * PNG_USE_DLL is defined by default (no user action needed) unless one of - * the other flags is defined. - */ - -#if !defined(PNG_DLL) && (defined(PNG_BUILD_DLL) || defined(PNG_USE_DLL)) -# define PNG_DLL -#endif -/* If CYGWIN, then disallow GLOBAL ARRAYS unless building a static lib. - * When building a static lib, default to no GLOBAL ARRAYS, but allow - * command-line override - */ -#if defined(__CYGWIN__) -# if !defined(PNG_STATIC) -# if defined(PNG_USE_GLOBAL_ARRAYS) -# undef PNG_USE_GLOBAL_ARRAYS -# endif -# if !defined(PNG_USE_LOCAL_ARRAYS) -# define PNG_USE_LOCAL_ARRAYS -# endif -# else -# if defined(PNG_USE_LOCAL_ARRAYS) || defined(PNG_NO_GLOBAL_ARRAYS) -# if defined(PNG_USE_GLOBAL_ARRAYS) -# undef PNG_USE_GLOBAL_ARRAYS -# endif -# endif -# endif -# if !defined(PNG_USE_LOCAL_ARRAYS) && !defined(PNG_USE_GLOBAL_ARRAYS) -# define PNG_USE_LOCAL_ARRAYS -# endif -#endif - -/* Do not use global arrays (helps with building DLL's) - * They are no longer used in libpng itself, since version 1.0.5c, - * but might be required for some pre-1.0.5c applications. - */ -#if !defined(PNG_USE_LOCAL_ARRAYS) && !defined(PNG_USE_GLOBAL_ARRAYS) -# if defined(PNG_NO_GLOBAL_ARRAYS) || \ - (defined(__GNUC__) && defined(PNG_DLL)) || defined(_MSC_VER) -# define PNG_USE_LOCAL_ARRAYS -# else -# define PNG_USE_GLOBAL_ARRAYS -# endif -#endif - -#if defined(__CYGWIN__) -# undef PNGAPI -# define PNGAPI __cdecl -# undef PNG_IMPEXP -# define PNG_IMPEXP -#endif - -/* If you define PNGAPI, e.g., with compiler option "-DPNGAPI=__stdcall", - * you may get warnings regarding the linkage of png_zalloc and png_zfree. - * Don't ignore those warnings; you must also reset the default calling - * convention in your compiler to match your PNGAPI, and you must build - * zlib and your applications the same way you build libpng. - */ - -#if defined(__MINGW32__) && !defined(PNG_MODULEDEF) -# ifndef PNG_NO_MODULEDEF -# define PNG_NO_MODULEDEF -# endif -#endif - -#if !defined(PNG_IMPEXP) && defined(PNG_BUILD_DLL) && !defined(PNG_NO_MODULEDEF) -# define PNG_IMPEXP -#endif - -#if defined(PNG_DLL) || defined(_DLL) || defined(__DLL__ ) || \ - (( defined(_Windows) || defined(_WINDOWS) || \ - defined(WIN32) || defined(_WIN32) || defined(__WIN32__) )) - -# ifndef PNGAPI -# if defined(__GNUC__) || (defined (_MSC_VER) && (_MSC_VER >= 800)) -# define PNGAPI __cdecl -# else -# define PNGAPI _cdecl -# endif -# endif - -# if !defined(PNG_IMPEXP) && (!defined(PNG_DLL) || \ - 0 /* WINCOMPILER_WITH_NO_SUPPORT_FOR_DECLIMPEXP */) -# define PNG_IMPEXP -# endif - -# if !defined(PNG_IMPEXP) - -# define PNG_EXPORT_TYPE1(type,symbol) PNG_IMPEXP type PNGAPI symbol -# define PNG_EXPORT_TYPE2(type,symbol) type PNG_IMPEXP PNGAPI symbol - - /* Borland/Microsoft */ -# if defined(_MSC_VER) || defined(__BORLANDC__) -# if (_MSC_VER >= 800) || (__BORLANDC__ >= 0x500) -# define PNG_EXPORT PNG_EXPORT_TYPE1 -# else -# define PNG_EXPORT PNG_EXPORT_TYPE2 -# if defined(PNG_BUILD_DLL) -# define PNG_IMPEXP __export -# else -# define PNG_IMPEXP /*__import */ /* doesn't exist AFAIK in - VC++ */ -# endif /* Exists in Borland C++ for - C++ classes (== huge) */ -# endif -# endif - -# if !defined(PNG_IMPEXP) -# if defined(PNG_BUILD_DLL) -# define PNG_IMPEXP __declspec(dllexport) -# else -# define PNG_IMPEXP __declspec(dllimport) -# endif -# endif -# endif /* PNG_IMPEXP */ -#else /* !(DLL || non-cygwin WINDOWS) */ -# if (defined(__IBMC__) || defined(__IBMCPP__)) && defined(__OS2__) -# ifndef PNGAPI -# define PNGAPI _System -# endif -# else -# if 0 /* ... other platforms, with other meanings */ -# endif -# endif -#endif - -#ifndef PNGAPI -# define PNGAPI -#endif -#ifndef PNG_IMPEXP -# define PNG_IMPEXP -#endif - -#ifdef PNG_BUILDSYMS -# ifndef PNG_EXPORT -# define PNG_EXPORT(type,symbol) PNG_FUNCTION_EXPORT symbol END -# endif -# ifdef PNG_USE_GLOBAL_ARRAYS -# ifndef PNG_EXPORT_VAR -# define PNG_EXPORT_VAR(type) PNG_DATA_EXPORT -# endif -# endif -#endif - -#ifndef PNG_EXPORT -# define PNG_EXPORT(type,symbol) PNG_IMPEXP type PNGAPI symbol -#endif - -#ifdef PNG_USE_GLOBAL_ARRAYS -# ifndef PNG_EXPORT_VAR -# define PNG_EXPORT_VAR(type) extern PNG_IMPEXP type -# endif -#endif - -/* User may want to use these so they are not in PNG_INTERNAL. Any library - * functions that are passed far data must be model independent. - */ - -#ifndef PNG_ABORT -# define PNG_ABORT() abort() -#endif - -#ifdef PNG_SETJMP_SUPPORTED -# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf) -#else -# define png_jmpbuf(png_ptr) \ - (LIBPNG_WAS_COMPILED_WITH__PNG_SETJMP_NOT_SUPPORTED) -#endif - -#if defined(USE_FAR_KEYWORD) /* memory model independent fns */ -/* use this to make far-to-near assignments */ -# define CHECK 1 -# define NOCHECK 0 -# define CVT_PTR(ptr) (png_far_to_near(png_ptr,ptr,CHECK)) -# define CVT_PTR_NOCHECK(ptr) (png_far_to_near(png_ptr,ptr,NOCHECK)) -# define png_snprintf _fsnprintf /* Added to v 1.2.19 */ -# define png_strlen _fstrlen -# define png_memcmp _fmemcmp /* SJT: added */ -# define png_memcpy _fmemcpy -# define png_memset _fmemset -#else /* use the usual functions */ -# define CVT_PTR(ptr) (ptr) -# define CVT_PTR_NOCHECK(ptr) (ptr) -# ifndef PNG_NO_SNPRINTF -# ifdef _MSC_VER -# define png_snprintf _snprintf /* Added to v 1.2.19 */ -# define png_snprintf2 _snprintf -# define png_snprintf6 _snprintf -# else -# define png_snprintf snprintf /* Added to v 1.2.19 */ -# define png_snprintf2 snprintf -# define png_snprintf6 snprintf -# endif -# else - /* You don't have or don't want to use snprintf(). Caution: Using - * sprintf instead of snprintf exposes your application to accidental - * or malevolent buffer overflows. If you don't have snprintf() - * as a general rule you should provide one (you can get one from - * Portable OpenSSH). */ -# define png_snprintf(s1,n,fmt,x1) sprintf(s1,fmt,x1) -# define png_snprintf2(s1,n,fmt,x1,x2) sprintf(s1,fmt,x1,x2) -# define png_snprintf6(s1,n,fmt,x1,x2,x3,x4,x5,x6) \ - sprintf(s1,fmt,x1,x2,x3,x4,x5,x6) -# endif -# define png_strlen strlen -# define png_memcmp memcmp /* SJT: added */ -# define png_memcpy memcpy -# define png_memset memset -#endif -/* End of memory model independent support */ - -/* Just a little check that someone hasn't tried to define something - * contradictory. - */ -#if (PNG_ZBUF_SIZE > 65536L) && defined(PNG_MAX_MALLOC_64K) -# undef PNG_ZBUF_SIZE -# define PNG_ZBUF_SIZE 65536L -#endif - -/* Added at libpng-1.2.8 */ -#endif /* PNG_VERSION_INFO_ONLY */ - -#endif /* PNGCONF_H */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngerror.c b/Build/source/libs/libpng/libpng-1.2.34/pngerror.c deleted file mode 100644 index 765217196ba..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngerror.c +++ /dev/null @@ -1,345 +0,0 @@ - -/* pngerror.c - stub functions for i/o and memory allocation - * - * Last changed in libpng 1.2.34 [December 18, 2008] - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - * - * This file provides a location for all error handling. Users who - * need special error handling are expected to write replacement functions - * and use png_set_error_fn() to use those functions. See the instructions - * at each function. - */ - -#define PNG_INTERNAL -#include "png.h" -#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) - -static void /* PRIVATE */ -png_default_error PNGARG((png_structp png_ptr, - png_const_charp error_message)); -#ifndef PNG_NO_WARNINGS -static void /* PRIVATE */ -png_default_warning PNGARG((png_structp png_ptr, - png_const_charp warning_message)); -#endif /* PNG_NO_WARNINGS */ - -/* This function is called whenever there is a fatal error. This function - * should not be changed. If there is a need to handle errors differently, - * you should supply a replacement error function and use png_set_error_fn() - * to replace the error function at run-time. - */ -#ifndef PNG_NO_ERROR_TEXT -void PNGAPI -png_error(png_structp png_ptr, png_const_charp error_message) -{ -#ifdef PNG_ERROR_NUMBERS_SUPPORTED - char msg[16]; - if (png_ptr != NULL) - { - if (png_ptr->flags& - (PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT)) - { - if (*error_message == '#') - { - /* Strip "#nnnn " from beginning of error message. */ - int offset; - for (offset = 1; offset<15; offset++) - if (error_message[offset] == ' ') - break; - if (png_ptr->flags&PNG_FLAG_STRIP_ERROR_TEXT) - { - int i; - for (i = 0; i < offset - 1; i++) - msg[i] = error_message[i + 1]; - msg[i - 1] = '\0'; - error_message = msg; - } - else - error_message += offset; - } - else - { - if (png_ptr->flags&PNG_FLAG_STRIP_ERROR_TEXT) - { - msg[0] = '0'; - msg[1] = '\0'; - error_message = msg; - } - } - } - } -#endif - if (png_ptr != NULL && png_ptr->error_fn != NULL) - (*(png_ptr->error_fn))(png_ptr, error_message); - - /* If the custom handler doesn't exist, or if it returns, - use the default handler, which will not return. */ - png_default_error(png_ptr, error_message); -} -#else -void PNGAPI -png_err(png_structp png_ptr) -{ - if (png_ptr != NULL && png_ptr->error_fn != NULL) - (*(png_ptr->error_fn))(png_ptr, '\0'); - - /* If the custom handler doesn't exist, or if it returns, - use the default handler, which will not return. */ - png_default_error(png_ptr, '\0'); -} -#endif /* PNG_NO_ERROR_TEXT */ - -#ifndef PNG_NO_WARNINGS -/* This function is called whenever there is a non-fatal error. This function - * should not be changed. If there is a need to handle warnings differently, - * you should supply a replacement warning function and use - * png_set_error_fn() to replace the warning function at run-time. - */ -void PNGAPI -png_warning(png_structp png_ptr, png_const_charp warning_message) -{ - int offset = 0; - if (png_ptr != NULL) - { -#ifdef PNG_ERROR_NUMBERS_SUPPORTED - if (png_ptr->flags& - (PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT)) -#endif - { - if (*warning_message == '#') - { - for (offset = 1; offset < 15; offset++) - if (warning_message[offset] == ' ') - break; - } - } - } - if (png_ptr != NULL && png_ptr->warning_fn != NULL) - (*(png_ptr->warning_fn))(png_ptr, warning_message + offset); - else - png_default_warning(png_ptr, warning_message + offset); -} -#endif /* PNG_NO_WARNINGS */ - - -/* These utilities are used internally to build an error message that relates - * to the current chunk. The chunk name comes from png_ptr->chunk_name, - * this is used to prefix the message. The message is limited in length - * to 63 bytes, the name characters are output as hex digits wrapped in [] - * if the character is invalid. - */ -#define isnonalpha(c) ((c) < 65 || (c) > 122 || ((c) > 90 && (c) < 97)) -static PNG_CONST char png_digit[16] = { - '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', - 'A', 'B', 'C', 'D', 'E', 'F' -}; - -#define PNG_MAX_ERROR_TEXT 64 - -#if !defined(PNG_NO_WARNINGS) || !defined(PNG_NO_ERROR_TEXT) -static void /* PRIVATE */ -png_format_buffer(png_structp png_ptr, png_charp buffer, png_const_charp - error_message) -{ - int iout = 0, iin = 0; - - while (iin < 4) - { - int c = png_ptr->chunk_name[iin++]; - if (isnonalpha(c)) - { - buffer[iout++] = '['; - buffer[iout++] = png_digit[(c & 0xf0) >> 4]; - buffer[iout++] = png_digit[c & 0x0f]; - buffer[iout++] = ']'; - } - else - { - buffer[iout++] = (png_byte)c; - } - } - - if (error_message == NULL) - buffer[iout] = '\0'; - else - { - buffer[iout++] = ':'; - buffer[iout++] = ' '; - png_memcpy(buffer + iout, error_message, PNG_MAX_ERROR_TEXT); - buffer[iout + PNG_MAX_ERROR_TEXT - 1] = '\0'; - } -} - -#ifdef PNG_READ_SUPPORTED -void PNGAPI -png_chunk_error(png_structp png_ptr, png_const_charp error_message) -{ - char msg[18+PNG_MAX_ERROR_TEXT]; - if (png_ptr == NULL) - png_error(png_ptr, error_message); - else - { - png_format_buffer(png_ptr, msg, error_message); - png_error(png_ptr, msg); - } -} -#endif /* PNG_READ_SUPPORTED */ -#endif /* !defined(PNG_NO_WARNINGS) || !defined(PNG_NO_ERROR_TEXT) */ - -#ifndef PNG_NO_WARNINGS -void PNGAPI -png_chunk_warning(png_structp png_ptr, png_const_charp warning_message) -{ - char msg[18+PNG_MAX_ERROR_TEXT]; - if (png_ptr == NULL) - png_warning(png_ptr, warning_message); - else - { - png_format_buffer(png_ptr, msg, warning_message); - png_warning(png_ptr, msg); - } -} -#endif /* PNG_NO_WARNINGS */ - - -/* This is the default error handling function. Note that replacements for - * this function MUST NOT RETURN, or the program will likely crash. This - * function is used by default, or if the program supplies NULL for the - * error function pointer in png_set_error_fn(). - */ -static void /* PRIVATE */ -png_default_error(png_structp png_ptr, png_const_charp error_message) -{ -#ifndef PNG_NO_CONSOLE_IO -#ifdef PNG_ERROR_NUMBERS_SUPPORTED - if (*error_message == '#') - { - /* Strip "#nnnn " from beginning of warning message. */ - int offset; - char error_number[16]; - for (offset = 0; offset<15; offset++) - { - error_number[offset] = error_message[offset + 1]; - if (error_message[offset] == ' ') - break; - } - if ((offset > 1) && (offset < 15)) - { - error_number[offset - 1] = '\0'; - fprintf(stderr, "libpng error no. %s: %s\n", error_number, - error_message + offset + 1); - } - else - fprintf(stderr, "libpng error: %s, offset=%d\n", error_message, offset); - } - else -#endif - fprintf(stderr, "libpng error: %s\n", error_message); -#endif - -#ifdef PNG_SETJMP_SUPPORTED - if (png_ptr) - { -# ifdef USE_FAR_KEYWORD - { - jmp_buf jmpbuf; - png_memcpy(jmpbuf, png_ptr->jmpbuf, png_sizeof(jmp_buf)); - longjmp(jmpbuf, 1); - } -# else - longjmp(png_ptr->jmpbuf, 1); -# endif - } -#else - PNG_ABORT(); -#endif -#ifdef PNG_NO_CONSOLE_IO - error_message = error_message; /* make compiler happy */ -#endif -} - -#ifndef PNG_NO_WARNINGS -/* This function is called when there is a warning, but the library thinks - * it can continue anyway. Replacement functions don't have to do anything - * here if you don't want them to. In the default configuration, png_ptr is - * not used, but it is passed in case it may be useful. - */ -static void /* PRIVATE */ -png_default_warning(png_structp png_ptr, png_const_charp warning_message) -{ -#ifndef PNG_NO_CONSOLE_IO -# ifdef PNG_ERROR_NUMBERS_SUPPORTED - if (*warning_message == '#') - { - int offset; - char warning_number[16]; - for (offset = 0; offset < 15; offset++) - { - warning_number[offset] = warning_message[offset + 1]; - if (warning_message[offset] == ' ') - break; - } - if ((offset > 1) && (offset < 15)) - { - warning_number[offset + 1] = '\0'; - fprintf(stderr, "libpng warning no. %s: %s\n", warning_number, - warning_message + offset); - } - else - fprintf(stderr, "libpng warning: %s\n", warning_message); - } - else -# endif - fprintf(stderr, "libpng warning: %s\n", warning_message); -#else - warning_message = warning_message; /* make compiler happy */ -#endif - png_ptr = png_ptr; /* make compiler happy */ -} -#endif /* PNG_NO_WARNINGS */ - -/* This function is called when the application wants to use another method - * of handling errors and warnings. Note that the error function MUST NOT - * return to the calling routine or serious problems will occur. The return - * method used in the default routine calls longjmp(png_ptr->jmpbuf, 1) - */ -void PNGAPI -png_set_error_fn(png_structp png_ptr, png_voidp error_ptr, - png_error_ptr error_fn, png_error_ptr warning_fn) -{ - if (png_ptr == NULL) - return; - png_ptr->error_ptr = error_ptr; - png_ptr->error_fn = error_fn; - png_ptr->warning_fn = warning_fn; -} - - -/* This function returns a pointer to the error_ptr associated with the user - * functions. The application should free any memory associated with this - * pointer before png_write_destroy and png_read_destroy are called. - */ -png_voidp PNGAPI -png_get_error_ptr(png_structp png_ptr) -{ - if (png_ptr == NULL) - return NULL; - return ((png_voidp)png_ptr->error_ptr); -} - - -#ifdef PNG_ERROR_NUMBERS_SUPPORTED -void PNGAPI -png_set_strip_error_numbers(png_structp png_ptr, png_uint_32 strip_mode) -{ - if (png_ptr != NULL) - { - png_ptr->flags &= - ((~(PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT))&strip_mode); - } -} -#endif -#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pnggccrd.c b/Build/source/libs/libpng/libpng-1.2.34/pnggccrd.c deleted file mode 100644 index e61523e77a2..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pnggccrd.c +++ /dev/null @@ -1,103 +0,0 @@ -/* pnggccrd.c was removed from libpng-1.2.20. */ - -/* This code snippet is for use by configure's compilation test. */ - -#if (!defined _MSC_VER) && \ - defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ - defined(PNG_MMX_CODE_SUPPORTED) - -int PNGAPI png_dummy_mmx_support(void); - -static int _mmx_supported = 2; // 0: no MMX; 1: MMX supported; 2: not tested - -int PNGAPI -png_dummy_mmx_support(void) __attribute__((noinline)); - -int PNGAPI -png_dummy_mmx_support(void) -{ - int result; -#if defined(PNG_MMX_CODE_SUPPORTED) // superfluous, but what the heck - __asm__ __volatile__ ( -#if defined(__x86_64__) - "pushq %%rbx \n\t" // rbx gets clobbered by CPUID instruction - "pushq %%rcx \n\t" // so does rcx... - "pushq %%rdx \n\t" // ...and rdx (but rcx & rdx safe on Linux) - "pushfq \n\t" // save Eflag to stack - "popq %%rax \n\t" // get Eflag from stack into rax - "movq %%rax, %%rcx \n\t" // make another copy of Eflag in rcx - "xorl $0x200000, %%eax \n\t" // toggle ID bit in Eflag (i.e., bit 21) - "pushq %%rax \n\t" // save modified Eflag back to stack - "popfq \n\t" // restore modified value to Eflag reg - "pushfq \n\t" // save Eflag to stack - "popq %%rax \n\t" // get Eflag from stack - "pushq %%rcx \n\t" // save original Eflag to stack - "popfq \n\t" // restore original Eflag -#else - "pushl %%ebx \n\t" // ebx gets clobbered by CPUID instruction - "pushl %%ecx \n\t" // so does ecx... - "pushl %%edx \n\t" // ...and edx (but ecx & edx safe on Linux) - "pushfl \n\t" // save Eflag to stack - "popl %%eax \n\t" // get Eflag from stack into eax - "movl %%eax, %%ecx \n\t" // make another copy of Eflag in ecx - "xorl $0x200000, %%eax \n\t" // toggle ID bit in Eflag (i.e., bit 21) - "pushl %%eax \n\t" // save modified Eflag back to stack - "popfl \n\t" // restore modified value to Eflag reg - "pushfl \n\t" // save Eflag to stack - "popl %%eax \n\t" // get Eflag from stack - "pushl %%ecx \n\t" // save original Eflag to stack - "popfl \n\t" // restore original Eflag -#endif - "xorl %%ecx, %%eax \n\t" // compare new Eflag with original Eflag - "jz 0f \n\t" // if same, CPUID instr. is not supported - - "xorl %%eax, %%eax \n\t" // set eax to zero -// ".byte 0x0f, 0xa2 \n\t" // CPUID instruction (two-byte opcode) - "cpuid \n\t" // get the CPU identification info - "cmpl $1, %%eax \n\t" // make sure eax return non-zero value - "jl 0f \n\t" // if eax is zero, MMX is not supported - - "xorl %%eax, %%eax \n\t" // set eax to zero and... - "incl %%eax \n\t" // ...increment eax to 1. This pair is - // faster than the instruction "mov eax, 1" - "cpuid \n\t" // get the CPU identification info again - "andl $0x800000, %%edx \n\t" // mask out all bits but MMX bit (23) - "cmpl $0, %%edx \n\t" // 0 = MMX not supported - "jz 0f \n\t" // non-zero = yes, MMX IS supported - - "movl $1, %%eax \n\t" // set return value to 1 - "jmp 1f \n\t" // DONE: have MMX support - - "0: \n\t" // .NOT_SUPPORTED: target label for jump instructions - "movl $0, %%eax \n\t" // set return value to 0 - "1: \n\t" // .RETURN: target label for jump instructions -#if defined(__x86_64__) - "popq %%rdx \n\t" // restore rdx - "popq %%rcx \n\t" // restore rcx - "popq %%rbx \n\t" // restore rbx -#else - "popl %%edx \n\t" // restore edx - "popl %%ecx \n\t" // restore ecx - "popl %%ebx \n\t" // restore ebx -#endif - -// "ret \n\t" // DONE: no MMX support - // (fall through to standard C "ret") - - : "=a" (result) // output list - - : // any variables used on input (none) - - // no clobber list -// , "%ebx", "%ecx", "%edx" // GRR: we handle these manually -// , "memory" // if write to a variable gcc thought was in a reg -// , "cc" // "condition codes" (flag bits) - ); - _mmx_supported = result; -#else - _mmx_supported = 0; -#endif /* PNG_MMX_CODE_SUPPORTED */ - - return _mmx_supported; -} -#endif diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngget.c b/Build/source/libs/libpng/libpng-1.2.34/pngget.c deleted file mode 100644 index aee8cd11553..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngget.c +++ /dev/null @@ -1,900 +0,0 @@ - -/* pngget.c - retrieval of values from info struct - * - * Last changed in libpng 1.2.30 [August 15, 2008] - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - */ - -#define PNG_INTERNAL -#include "png.h" -#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) - -png_uint_32 PNGAPI -png_get_valid(png_structp png_ptr, png_infop info_ptr, png_uint_32 flag) -{ - if (png_ptr != NULL && info_ptr != NULL) - return(info_ptr->valid & flag); - else - return(0); -} - -png_uint_32 PNGAPI -png_get_rowbytes(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) - return(info_ptr->rowbytes); - else - return(0); -} - -#if defined(PNG_INFO_IMAGE_SUPPORTED) -png_bytepp PNGAPI -png_get_rows(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) - return(info_ptr->row_pointers); - else - return(0); -} -#endif - -#ifdef PNG_EASY_ACCESS_SUPPORTED -/* easy access to info, added in libpng-0.99 */ -png_uint_32 PNGAPI -png_get_image_width(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) - { - return info_ptr->width; - } - return (0); -} - -png_uint_32 PNGAPI -png_get_image_height(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) - { - return info_ptr->height; - } - return (0); -} - -png_byte PNGAPI -png_get_bit_depth(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) - { - return info_ptr->bit_depth; - } - return (0); -} - -png_byte PNGAPI -png_get_color_type(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) - { - return info_ptr->color_type; - } - return (0); -} - -png_byte PNGAPI -png_get_filter_type(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) - { - return info_ptr->filter_type; - } - return (0); -} - -png_byte PNGAPI -png_get_interlace_type(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) - { - return info_ptr->interlace_type; - } - return (0); -} - -png_byte PNGAPI -png_get_compression_type(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) - { - return info_ptr->compression_type; - } - return (0); -} - -png_uint_32 PNGAPI -png_get_x_pixels_per_meter(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_pHYs_SUPPORTED) - if (info_ptr->valid & PNG_INFO_pHYs) - { - png_debug1(1, "in %s retrieval function", "png_get_x_pixels_per_meter"); - if (info_ptr->phys_unit_type != PNG_RESOLUTION_METER) - return (0); - else return (info_ptr->x_pixels_per_unit); - } -#else - return (0); -#endif - return (0); -} - -png_uint_32 PNGAPI -png_get_y_pixels_per_meter(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_pHYs_SUPPORTED) - if (info_ptr->valid & PNG_INFO_pHYs) - { - png_debug1(1, "in %s retrieval function", "png_get_y_pixels_per_meter"); - if (info_ptr->phys_unit_type != PNG_RESOLUTION_METER) - return (0); - else return (info_ptr->y_pixels_per_unit); - } -#else - return (0); -#endif - return (0); -} - -png_uint_32 PNGAPI -png_get_pixels_per_meter(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_pHYs_SUPPORTED) - if (info_ptr->valid & PNG_INFO_pHYs) - { - png_debug1(1, "in %s retrieval function", "png_get_pixels_per_meter"); - if (info_ptr->phys_unit_type != PNG_RESOLUTION_METER || - info_ptr->x_pixels_per_unit != info_ptr->y_pixels_per_unit) - return (0); - else return (info_ptr->x_pixels_per_unit); - } -#else - return (0); -#endif - return (0); -} - -#ifdef PNG_FLOATING_POINT_SUPPORTED -float PNGAPI -png_get_pixel_aspect_ratio(png_structp png_ptr, png_infop info_ptr) - { - if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_pHYs_SUPPORTED) - if (info_ptr->valid & PNG_INFO_pHYs) - { - png_debug1(1, "in %s retrieval function", "png_get_aspect_ratio"); - if (info_ptr->x_pixels_per_unit == 0) - return ((float)0.0); - else - return ((float)((float)info_ptr->y_pixels_per_unit - /(float)info_ptr->x_pixels_per_unit)); - } -#else - return (0.0); -#endif - return ((float)0.0); -} -#endif - -png_int_32 PNGAPI -png_get_x_offset_microns(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_oFFs_SUPPORTED) - if (info_ptr->valid & PNG_INFO_oFFs) - { - png_debug1(1, "in %s retrieval function", "png_get_x_offset_microns"); - if (info_ptr->offset_unit_type != PNG_OFFSET_MICROMETER) - return (0); - else return (info_ptr->x_offset); - } -#else - return (0); -#endif - return (0); -} - -png_int_32 PNGAPI -png_get_y_offset_microns(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_oFFs_SUPPORTED) - if (info_ptr->valid & PNG_INFO_oFFs) - { - png_debug1(1, "in %s retrieval function", "png_get_y_offset_microns"); - if (info_ptr->offset_unit_type != PNG_OFFSET_MICROMETER) - return (0); - else return (info_ptr->y_offset); - } -#else - return (0); -#endif - return (0); -} - -png_int_32 PNGAPI -png_get_x_offset_pixels(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_oFFs_SUPPORTED) - if (info_ptr->valid & PNG_INFO_oFFs) - { - png_debug1(1, "in %s retrieval function", "png_get_x_offset_microns"); - if (info_ptr->offset_unit_type != PNG_OFFSET_PIXEL) - return (0); - else return (info_ptr->x_offset); - } -#else - return (0); -#endif - return (0); -} - -png_int_32 PNGAPI -png_get_y_offset_pixels(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_oFFs_SUPPORTED) - if (info_ptr->valid & PNG_INFO_oFFs) - { - png_debug1(1, "in %s retrieval function", "png_get_y_offset_microns"); - if (info_ptr->offset_unit_type != PNG_OFFSET_PIXEL) - return (0); - else return (info_ptr->y_offset); - } -#else - return (0); -#endif - return (0); -} - -#if defined(PNG_INCH_CONVERSIONS) && defined(PNG_FLOATING_POINT_SUPPORTED) -png_uint_32 PNGAPI -png_get_pixels_per_inch(png_structp png_ptr, png_infop info_ptr) -{ - return ((png_uint_32)((float)png_get_pixels_per_meter(png_ptr, info_ptr) - *.0254 +.5)); -} - -png_uint_32 PNGAPI -png_get_x_pixels_per_inch(png_structp png_ptr, png_infop info_ptr) -{ - return ((png_uint_32)((float)png_get_x_pixels_per_meter(png_ptr, info_ptr) - *.0254 +.5)); -} - -png_uint_32 PNGAPI -png_get_y_pixels_per_inch(png_structp png_ptr, png_infop info_ptr) -{ - return ((png_uint_32)((float)png_get_y_pixels_per_meter(png_ptr, info_ptr) - *.0254 +.5)); -} - -float PNGAPI -png_get_x_offset_inches(png_structp png_ptr, png_infop info_ptr) -{ - return ((float)png_get_x_offset_microns(png_ptr, info_ptr) - *.00003937); -} - -float PNGAPI -png_get_y_offset_inches(png_structp png_ptr, png_infop info_ptr) -{ - return ((float)png_get_y_offset_microns(png_ptr, info_ptr) - *.00003937); -} - -#if defined(PNG_pHYs_SUPPORTED) -png_uint_32 PNGAPI -png_get_pHYs_dpi(png_structp png_ptr, png_infop info_ptr, - png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type) -{ - png_uint_32 retval = 0; - - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_pHYs)) - { - png_debug1(1, "in %s retrieval function", "pHYs"); - if (res_x != NULL) - { - *res_x = info_ptr->x_pixels_per_unit; - retval |= PNG_INFO_pHYs; - } - if (res_y != NULL) - { - *res_y = info_ptr->y_pixels_per_unit; - retval |= PNG_INFO_pHYs; - } - if (unit_type != NULL) - { - *unit_type = (int)info_ptr->phys_unit_type; - retval |= PNG_INFO_pHYs; - if (*unit_type == 1) - { - if (res_x != NULL) *res_x = (png_uint_32)(*res_x * .0254 + .50); - if (res_y != NULL) *res_y = (png_uint_32)(*res_y * .0254 + .50); - } - } - } - return (retval); -} -#endif /* PNG_pHYs_SUPPORTED */ -#endif /* PNG_INCH_CONVERSIONS && PNG_FLOATING_POINT_SUPPORTED */ - -/* png_get_channels really belongs in here, too, but it's been around longer */ - -#endif /* PNG_EASY_ACCESS_SUPPORTED */ - -png_byte PNGAPI -png_get_channels(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) - return(info_ptr->channels); - else - return (0); -} - -png_bytep PNGAPI -png_get_signature(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr != NULL && info_ptr != NULL) - return(info_ptr->signature); - else - return (NULL); -} - -#if defined(PNG_bKGD_SUPPORTED) -png_uint_32 PNGAPI -png_get_bKGD(png_structp png_ptr, png_infop info_ptr, - png_color_16p *background) -{ - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_bKGD) - && background != NULL) - { - png_debug1(1, "in %s retrieval function", "bKGD"); - *background = &(info_ptr->background); - return (PNG_INFO_bKGD); - } - return (0); -} -#endif - -#if defined(PNG_cHRM_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED -png_uint_32 PNGAPI -png_get_cHRM(png_structp png_ptr, png_infop info_ptr, - double *white_x, double *white_y, double *red_x, double *red_y, - double *green_x, double *green_y, double *blue_x, double *blue_y) -{ - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM)) - { - png_debug1(1, "in %s retrieval function", "cHRM"); - if (white_x != NULL) - *white_x = (double)info_ptr->x_white; - if (white_y != NULL) - *white_y = (double)info_ptr->y_white; - if (red_x != NULL) - *red_x = (double)info_ptr->x_red; - if (red_y != NULL) - *red_y = (double)info_ptr->y_red; - if (green_x != NULL) - *green_x = (double)info_ptr->x_green; - if (green_y != NULL) - *green_y = (double)info_ptr->y_green; - if (blue_x != NULL) - *blue_x = (double)info_ptr->x_blue; - if (blue_y != NULL) - *blue_y = (double)info_ptr->y_blue; - return (PNG_INFO_cHRM); - } - return (0); -} -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED -png_uint_32 PNGAPI -png_get_cHRM_fixed(png_structp png_ptr, png_infop info_ptr, - png_fixed_point *white_x, png_fixed_point *white_y, png_fixed_point *red_x, - png_fixed_point *red_y, png_fixed_point *green_x, png_fixed_point *green_y, - png_fixed_point *blue_x, png_fixed_point *blue_y) -{ - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM)) - { - png_debug1(1, "in %s retrieval function", "cHRM"); - if (white_x != NULL) - *white_x = info_ptr->int_x_white; - if (white_y != NULL) - *white_y = info_ptr->int_y_white; - if (red_x != NULL) - *red_x = info_ptr->int_x_red; - if (red_y != NULL) - *red_y = info_ptr->int_y_red; - if (green_x != NULL) - *green_x = info_ptr->int_x_green; - if (green_y != NULL) - *green_y = info_ptr->int_y_green; - if (blue_x != NULL) - *blue_x = info_ptr->int_x_blue; - if (blue_y != NULL) - *blue_y = info_ptr->int_y_blue; - return (PNG_INFO_cHRM); - } - return (0); -} -#endif -#endif - -#if defined(PNG_gAMA_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED -png_uint_32 PNGAPI -png_get_gAMA(png_structp png_ptr, png_infop info_ptr, double *file_gamma) -{ - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA) - && file_gamma != NULL) - { - png_debug1(1, "in %s retrieval function", "gAMA"); - *file_gamma = (double)info_ptr->gamma; - return (PNG_INFO_gAMA); - } - return (0); -} -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED -png_uint_32 PNGAPI -png_get_gAMA_fixed(png_structp png_ptr, png_infop info_ptr, - png_fixed_point *int_file_gamma) -{ - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA) - && int_file_gamma != NULL) - { - png_debug1(1, "in %s retrieval function", "gAMA"); - *int_file_gamma = info_ptr->int_gamma; - return (PNG_INFO_gAMA); - } - return (0); -} -#endif -#endif - -#if defined(PNG_sRGB_SUPPORTED) -png_uint_32 PNGAPI -png_get_sRGB(png_structp png_ptr, png_infop info_ptr, int *file_srgb_intent) -{ - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_sRGB) - && file_srgb_intent != NULL) - { - png_debug1(1, "in %s retrieval function", "sRGB"); - *file_srgb_intent = (int)info_ptr->srgb_intent; - return (PNG_INFO_sRGB); - } - return (0); -} -#endif - -#if defined(PNG_iCCP_SUPPORTED) -png_uint_32 PNGAPI -png_get_iCCP(png_structp png_ptr, png_infop info_ptr, - png_charpp name, int *compression_type, - png_charpp profile, png_uint_32 *proflen) -{ - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_iCCP) - && name != NULL && profile != NULL && proflen != NULL) - { - png_debug1(1, "in %s retrieval function", "iCCP"); - *name = info_ptr->iccp_name; - *profile = info_ptr->iccp_profile; - /* compression_type is a dummy so the API won't have to change - if we introduce multiple compression types later. */ - *proflen = (int)info_ptr->iccp_proflen; - *compression_type = (int)info_ptr->iccp_compression; - return (PNG_INFO_iCCP); - } - return (0); -} -#endif - -#if defined(PNG_sPLT_SUPPORTED) -png_uint_32 PNGAPI -png_get_sPLT(png_structp png_ptr, png_infop info_ptr, - png_sPLT_tpp spalettes) -{ - if (png_ptr != NULL && info_ptr != NULL && spalettes != NULL) - { - *spalettes = info_ptr->splt_palettes; - return ((png_uint_32)info_ptr->splt_palettes_num); - } - return (0); -} -#endif - -#if defined(PNG_hIST_SUPPORTED) -png_uint_32 PNGAPI -png_get_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_16p *hist) -{ - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_hIST) - && hist != NULL) - { - png_debug1(1, "in %s retrieval function", "hIST"); - *hist = info_ptr->hist; - return (PNG_INFO_hIST); - } - return (0); -} -#endif - -png_uint_32 PNGAPI -png_get_IHDR(png_structp png_ptr, png_infop info_ptr, - png_uint_32 *width, png_uint_32 *height, int *bit_depth, - int *color_type, int *interlace_type, int *compression_type, - int *filter_type) - -{ - if (png_ptr != NULL && info_ptr != NULL && width != NULL && height != NULL && - bit_depth != NULL && color_type != NULL) - { - png_debug1(1, "in %s retrieval function", "IHDR"); - *width = info_ptr->width; - *height = info_ptr->height; - *bit_depth = info_ptr->bit_depth; - if (info_ptr->bit_depth < 1 || info_ptr->bit_depth > 16) - png_error(png_ptr, "Invalid bit depth"); - *color_type = info_ptr->color_type; - if (info_ptr->color_type > 6) - png_error(png_ptr, "Invalid color type"); - if (compression_type != NULL) - *compression_type = info_ptr->compression_type; - if (filter_type != NULL) - *filter_type = info_ptr->filter_type; - if (interlace_type != NULL) - *interlace_type = info_ptr->interlace_type; - - /* check for potential overflow of rowbytes */ - if (*width == 0 || *width > PNG_UINT_31_MAX) - png_error(png_ptr, "Invalid image width"); - if (*height == 0 || *height > PNG_UINT_31_MAX) - png_error(png_ptr, "Invalid image height"); - if (info_ptr->width > (PNG_UINT_32_MAX - >> 3) /* 8-byte RGBA pixels */ - - 64 /* bigrowbuf hack */ - - 1 /* filter byte */ - - 7*8 /* rounding of width to multiple of 8 pixels */ - - 8) /* extra max_pixel_depth pad */ - { - png_warning(png_ptr, - "Width too large for libpng to process image data."); - } - return (1); - } - return (0); -} - -#if defined(PNG_oFFs_SUPPORTED) -png_uint_32 PNGAPI -png_get_oFFs(png_structp png_ptr, png_infop info_ptr, - png_int_32 *offset_x, png_int_32 *offset_y, int *unit_type) -{ - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_oFFs) - && offset_x != NULL && offset_y != NULL && unit_type != NULL) - { - png_debug1(1, "in %s retrieval function", "oFFs"); - *offset_x = info_ptr->x_offset; - *offset_y = info_ptr->y_offset; - *unit_type = (int)info_ptr->offset_unit_type; - return (PNG_INFO_oFFs); - } - return (0); -} -#endif - -#if defined(PNG_pCAL_SUPPORTED) -png_uint_32 PNGAPI -png_get_pCAL(png_structp png_ptr, png_infop info_ptr, - png_charp *purpose, png_int_32 *X0, png_int_32 *X1, int *type, int *nparams, - png_charp *units, png_charpp *params) -{ - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_pCAL) - && purpose != NULL && X0 != NULL && X1 != NULL && type != NULL && - nparams != NULL && units != NULL && params != NULL) - { - png_debug1(1, "in %s retrieval function", "pCAL"); - *purpose = info_ptr->pcal_purpose; - *X0 = info_ptr->pcal_X0; - *X1 = info_ptr->pcal_X1; - *type = (int)info_ptr->pcal_type; - *nparams = (int)info_ptr->pcal_nparams; - *units = info_ptr->pcal_units; - *params = info_ptr->pcal_params; - return (PNG_INFO_pCAL); - } - return (0); -} -#endif - -#if defined(PNG_sCAL_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED -png_uint_32 PNGAPI -png_get_sCAL(png_structp png_ptr, png_infop info_ptr, - int *unit, double *width, double *height) -{ - if (png_ptr != NULL && info_ptr != NULL && - (info_ptr->valid & PNG_INFO_sCAL)) - { - *unit = info_ptr->scal_unit; - *width = info_ptr->scal_pixel_width; - *height = info_ptr->scal_pixel_height; - return (PNG_INFO_sCAL); - } - return(0); -} -#else -#ifdef PNG_FIXED_POINT_SUPPORTED -png_uint_32 PNGAPI -png_get_sCAL_s(png_structp png_ptr, png_infop info_ptr, - int *unit, png_charpp width, png_charpp height) -{ - if (png_ptr != NULL && info_ptr != NULL && - (info_ptr->valid & PNG_INFO_sCAL)) - { - *unit = info_ptr->scal_unit; - *width = info_ptr->scal_s_width; - *height = info_ptr->scal_s_height; - return (PNG_INFO_sCAL); - } - return(0); -} -#endif -#endif -#endif - -#if defined(PNG_pHYs_SUPPORTED) -png_uint_32 PNGAPI -png_get_pHYs(png_structp png_ptr, png_infop info_ptr, - png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type) -{ - png_uint_32 retval = 0; - - if (png_ptr != NULL && info_ptr != NULL && - (info_ptr->valid & PNG_INFO_pHYs)) - { - png_debug1(1, "in %s retrieval function", "pHYs"); - if (res_x != NULL) - { - *res_x = info_ptr->x_pixels_per_unit; - retval |= PNG_INFO_pHYs; - } - if (res_y != NULL) - { - *res_y = info_ptr->y_pixels_per_unit; - retval |= PNG_INFO_pHYs; - } - if (unit_type != NULL) - { - *unit_type = (int)info_ptr->phys_unit_type; - retval |= PNG_INFO_pHYs; - } - } - return (retval); -} -#endif - -png_uint_32 PNGAPI -png_get_PLTE(png_structp png_ptr, png_infop info_ptr, png_colorp *palette, - int *num_palette) -{ - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_PLTE) - && palette != NULL) - { - png_debug1(1, "in %s retrieval function", "PLTE"); - *palette = info_ptr->palette; - *num_palette = info_ptr->num_palette; - png_debug1(3, "num_palette = %d", *num_palette); - return (PNG_INFO_PLTE); - } - return (0); -} - -#if defined(PNG_sBIT_SUPPORTED) -png_uint_32 PNGAPI -png_get_sBIT(png_structp png_ptr, png_infop info_ptr, png_color_8p *sig_bit) -{ - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_sBIT) - && sig_bit != NULL) - { - png_debug1(1, "in %s retrieval function", "sBIT"); - *sig_bit = &(info_ptr->sig_bit); - return (PNG_INFO_sBIT); - } - return (0); -} -#endif - -#if defined(PNG_TEXT_SUPPORTED) -png_uint_32 PNGAPI -png_get_text(png_structp png_ptr, png_infop info_ptr, png_textp *text_ptr, - int *num_text) -{ - if (png_ptr != NULL && info_ptr != NULL && info_ptr->num_text > 0) - { - png_debug1(1, "in %s retrieval function", - (png_ptr->chunk_name[0] == '\0' ? "text" - : (png_const_charp)png_ptr->chunk_name)); - if (text_ptr != NULL) - *text_ptr = info_ptr->text; - if (num_text != NULL) - *num_text = info_ptr->num_text; - return ((png_uint_32)info_ptr->num_text); - } - if (num_text != NULL) - *num_text = 0; - return(0); -} -#endif - -#if defined(PNG_tIME_SUPPORTED) -png_uint_32 PNGAPI -png_get_tIME(png_structp png_ptr, png_infop info_ptr, png_timep *mod_time) -{ - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_tIME) - && mod_time != NULL) - { - png_debug1(1, "in %s retrieval function", "tIME"); - *mod_time = &(info_ptr->mod_time); - return (PNG_INFO_tIME); - } - return (0); -} -#endif - -#if defined(PNG_tRNS_SUPPORTED) -png_uint_32 PNGAPI -png_get_tRNS(png_structp png_ptr, png_infop info_ptr, - png_bytep *trans, int *num_trans, png_color_16p *trans_values) -{ - png_uint_32 retval = 0; - if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_tRNS)) - { - png_debug1(1, "in %s retrieval function", "tRNS"); - if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - { - if (trans != NULL) - { - *trans = info_ptr->trans; - retval |= PNG_INFO_tRNS; - } - if (trans_values != NULL) - *trans_values = &(info_ptr->trans_values); - } - else /* if (info_ptr->color_type != PNG_COLOR_TYPE_PALETTE) */ - { - if (trans_values != NULL) - { - *trans_values = &(info_ptr->trans_values); - retval |= PNG_INFO_tRNS; - } - if (trans != NULL) - *trans = NULL; - } - if (num_trans != NULL) - { - *num_trans = info_ptr->num_trans; - retval |= PNG_INFO_tRNS; - } - } - return (retval); -} -#endif - -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) -png_uint_32 PNGAPI -png_get_unknown_chunks(png_structp png_ptr, png_infop info_ptr, - png_unknown_chunkpp unknowns) -{ - if (png_ptr != NULL && info_ptr != NULL && unknowns != NULL) - { - *unknowns = info_ptr->unknown_chunks; - return ((png_uint_32)info_ptr->unknown_chunks_num); - } - return (0); -} -#endif - -#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) -png_byte PNGAPI -png_get_rgb_to_gray_status (png_structp png_ptr) -{ - return (png_byte)(png_ptr? png_ptr->rgb_to_gray_status : 0); -} -#endif - -#if defined(PNG_USER_CHUNKS_SUPPORTED) -png_voidp PNGAPI -png_get_user_chunk_ptr(png_structp png_ptr) -{ - return (png_ptr? png_ptr->user_chunk_ptr : NULL); -} -#endif - -#ifdef PNG_WRITE_SUPPORTED -png_uint_32 PNGAPI -png_get_compression_buffer_size(png_structp png_ptr) -{ - return (png_uint_32)(png_ptr? png_ptr->zbuf_size : 0L); -} -#endif - -#ifdef PNG_ASSEMBLER_CODE_SUPPORTED -#ifndef PNG_1_0_X -/* this function was added to libpng 1.2.0 and should exist by default */ -png_uint_32 PNGAPI -png_get_asm_flags (png_structp png_ptr) -{ - /* obsolete, to be removed from libpng-1.4.0 */ - return (png_ptr? 0L: 0L); -} - -/* this function was added to libpng 1.2.0 and should exist by default */ -png_uint_32 PNGAPI -png_get_asm_flagmask (int flag_select) -{ - /* obsolete, to be removed from libpng-1.4.0 */ - flag_select=flag_select; - return 0L; -} - - /* GRR: could add this: && defined(PNG_MMX_CODE_SUPPORTED) */ -/* this function was added to libpng 1.2.0 */ -png_uint_32 PNGAPI -png_get_mmx_flagmask (int flag_select, int *compilerID) -{ - /* obsolete, to be removed from libpng-1.4.0 */ - flag_select=flag_select; - *compilerID = -1; /* unknown (i.e., no asm/MMX code compiled) */ - return 0L; -} - -/* this function was added to libpng 1.2.0 */ -png_byte PNGAPI -png_get_mmx_bitdepth_threshold (png_structp png_ptr) -{ - /* obsolete, to be removed from libpng-1.4.0 */ - return (png_ptr? 0: 0); -} - -/* this function was added to libpng 1.2.0 */ -png_uint_32 PNGAPI -png_get_mmx_rowbytes_threshold (png_structp png_ptr) -{ - /* obsolete, to be removed from libpng-1.4.0 */ - return (png_ptr? 0L: 0L); -} -#endif /* ?PNG_1_0_X */ -#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */ - -#ifdef PNG_SET_USER_LIMITS_SUPPORTED -/* these functions were added to libpng 1.2.6 */ -png_uint_32 PNGAPI -png_get_user_width_max (png_structp png_ptr) -{ - return (png_ptr? png_ptr->user_width_max : 0); -} -png_uint_32 PNGAPI -png_get_user_height_max (png_structp png_ptr) -{ - return (png_ptr? png_ptr->user_height_max : 0); -} -#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */ - - -#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngmem.c b/Build/source/libs/libpng/libpng-1.2.34/pngmem.c deleted file mode 100644 index e28476f7072..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngmem.c +++ /dev/null @@ -1,609 +0,0 @@ - -/* pngmem.c - stub functions for memory allocation - * - * Last changed in libpng 1.2.30 [August 15, 2008] - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - * - * This file provides a location for all memory allocation. Users who - * need special memory handling are expected to supply replacement - * functions for png_malloc() and png_free(), and to use - * png_create_read_struct_2() and png_create_write_struct_2() to - * identify the replacement functions. - */ - -#define PNG_INTERNAL -#include "png.h" -#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) - -/* Borland DOS special memory handler */ -#if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__) -/* if you change this, be sure to change the one in png.h also */ - -/* Allocate memory for a png_struct. The malloc and memset can be replaced - by a single call to calloc() if this is thought to improve performance. */ -png_voidp /* PRIVATE */ -png_create_struct(int type) -{ -#ifdef PNG_USER_MEM_SUPPORTED - return (png_create_struct_2(type, png_malloc_ptr_NULL, png_voidp_NULL)); -} - -/* Alternate version of png_create_struct, for use with user-defined malloc. */ -png_voidp /* PRIVATE */ -png_create_struct_2(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr) -{ -#endif /* PNG_USER_MEM_SUPPORTED */ - png_size_t size; - png_voidp struct_ptr; - - if (type == PNG_STRUCT_INFO) - size = png_sizeof(png_info); - else if (type == PNG_STRUCT_PNG) - size = png_sizeof(png_struct); - else - return (png_get_copyright(NULL)); - -#ifdef PNG_USER_MEM_SUPPORTED - if (malloc_fn != NULL) - { - png_struct dummy_struct; - png_structp png_ptr = &dummy_struct; - png_ptr->mem_ptr=mem_ptr; - struct_ptr = (*(malloc_fn))(png_ptr, (png_uint_32)size); - } - else -#endif /* PNG_USER_MEM_SUPPORTED */ - struct_ptr = (png_voidp)farmalloc(size); - if (struct_ptr != NULL) - png_memset(struct_ptr, 0, size); - return (struct_ptr); -} - -/* Free memory allocated by a png_create_struct() call */ -void /* PRIVATE */ -png_destroy_struct(png_voidp struct_ptr) -{ -#ifdef PNG_USER_MEM_SUPPORTED - png_destroy_struct_2(struct_ptr, png_free_ptr_NULL, png_voidp_NULL); -} - -/* Free memory allocated by a png_create_struct() call */ -void /* PRIVATE */ -png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn, - png_voidp mem_ptr) -{ -#endif - if (struct_ptr != NULL) - { -#ifdef PNG_USER_MEM_SUPPORTED - if (free_fn != NULL) - { - png_struct dummy_struct; - png_structp png_ptr = &dummy_struct; - png_ptr->mem_ptr=mem_ptr; - (*(free_fn))(png_ptr, struct_ptr); - return; - } -#endif /* PNG_USER_MEM_SUPPORTED */ - farfree (struct_ptr); - } -} - -/* Allocate memory. For reasonable files, size should never exceed - * 64K. However, zlib may allocate more then 64K if you don't tell - * it not to. See zconf.h and png.h for more information. zlib does - * need to allocate exactly 64K, so whatever you call here must - * have the ability to do that. - * - * Borland seems to have a problem in DOS mode for exactly 64K. - * It gives you a segment with an offset of 8 (perhaps to store its - * memory stuff). zlib doesn't like this at all, so we have to - * detect and deal with it. This code should not be needed in - * Windows or OS/2 modes, and only in 16 bit mode. This code has - * been updated by Alexander Lehmann for version 0.89 to waste less - * memory. - * - * Note that we can't use png_size_t for the "size" declaration, - * since on some systems a png_size_t is a 16-bit quantity, and as a - * result, we would be truncating potentially larger memory requests - * (which should cause a fatal error) and introducing major problems. - */ - -png_voidp PNGAPI -png_malloc(png_structp png_ptr, png_uint_32 size) -{ - png_voidp ret; - - if (png_ptr == NULL || size == 0) - return (NULL); - -#ifdef PNG_USER_MEM_SUPPORTED - if (png_ptr->malloc_fn != NULL) - ret = ((png_voidp)(*(png_ptr->malloc_fn))(png_ptr, (png_size_t)size)); - else - ret = (png_malloc_default(png_ptr, size)); - if (ret == NULL && (png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, "Out of memory!"); - return (ret); -} - -png_voidp PNGAPI -png_malloc_default(png_structp png_ptr, png_uint_32 size) -{ - png_voidp ret; -#endif /* PNG_USER_MEM_SUPPORTED */ - - if (png_ptr == NULL || size == 0) - return (NULL); - -#ifdef PNG_MAX_MALLOC_64K - if (size > (png_uint_32)65536L) - { - png_warning(png_ptr, "Cannot Allocate > 64K"); - ret = NULL; - } - else -#endif - - if (size != (size_t)size) - ret = NULL; - else if (size == (png_uint_32)65536L) - { - if (png_ptr->offset_table == NULL) - { - /* try to see if we need to do any of this fancy stuff */ - ret = farmalloc(size); - if (ret == NULL || ((png_size_t)ret & 0xffff)) - { - int num_blocks; - png_uint_32 total_size; - png_bytep table; - int i; - png_byte huge * hptr; - - if (ret != NULL) - { - farfree(ret); - ret = NULL; - } - - if (png_ptr->zlib_window_bits > 14) - num_blocks = (int)(1 << (png_ptr->zlib_window_bits - 14)); - else - num_blocks = 1; - if (png_ptr->zlib_mem_level >= 7) - num_blocks += (int)(1 << (png_ptr->zlib_mem_level - 7)); - else - num_blocks++; - - total_size = ((png_uint_32)65536L) * (png_uint_32)num_blocks+16; - - table = farmalloc(total_size); - - if (table == NULL) - { -#ifndef PNG_USER_MEM_SUPPORTED - if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, "Out Of Memory."); /* Note "O" and "M" */ - else - png_warning(png_ptr, "Out Of Memory."); -#endif - return (NULL); - } - - if ((png_size_t)table & 0xfff0) - { -#ifndef PNG_USER_MEM_SUPPORTED - if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, - "Farmalloc didn't return normalized pointer"); - else - png_warning(png_ptr, - "Farmalloc didn't return normalized pointer"); -#endif - return (NULL); - } - - png_ptr->offset_table = table; - png_ptr->offset_table_ptr = farmalloc(num_blocks * - png_sizeof(png_bytep)); - - if (png_ptr->offset_table_ptr == NULL) - { -#ifndef PNG_USER_MEM_SUPPORTED - if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, "Out Of memory."); /* Note "O" and "M" */ - else - png_warning(png_ptr, "Out Of memory."); -#endif - return (NULL); - } - - hptr = (png_byte huge *)table; - if ((png_size_t)hptr & 0xf) - { - hptr = (png_byte huge *)((long)(hptr) & 0xfffffff0L); - hptr = hptr + 16L; /* "hptr += 16L" fails on Turbo C++ 3.0 */ - } - for (i = 0; i < num_blocks; i++) - { - png_ptr->offset_table_ptr[i] = (png_bytep)hptr; - hptr = hptr + (png_uint_32)65536L; /* "+=" fails on TC++3.0 */ - } - - png_ptr->offset_table_number = num_blocks; - png_ptr->offset_table_count = 0; - png_ptr->offset_table_count_free = 0; - } - } - - if (png_ptr->offset_table_count >= png_ptr->offset_table_number) - { -#ifndef PNG_USER_MEM_SUPPORTED - if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, "Out of Memory."); /* Note "o" and "M" */ - else - png_warning(png_ptr, "Out of Memory."); -#endif - return (NULL); - } - - ret = png_ptr->offset_table_ptr[png_ptr->offset_table_count++]; - } - else - ret = farmalloc(size); - -#ifndef PNG_USER_MEM_SUPPORTED - if (ret == NULL) - { - if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, "Out of memory."); /* Note "o" and "m" */ - else - png_warning(png_ptr, "Out of memory."); /* Note "o" and "m" */ - } -#endif - - return (ret); -} - -/* free a pointer allocated by png_malloc(). In the default - configuration, png_ptr is not used, but is passed in case it - is needed. If ptr is NULL, return without taking any action. */ - -void PNGAPI -png_free(png_structp png_ptr, png_voidp ptr) -{ - if (png_ptr == NULL || ptr == NULL) - return; - -#ifdef PNG_USER_MEM_SUPPORTED - if (png_ptr->free_fn != NULL) - { - (*(png_ptr->free_fn))(png_ptr, ptr); - return; - } - else png_free_default(png_ptr, ptr); -} - -void PNGAPI -png_free_default(png_structp png_ptr, png_voidp ptr) -{ -#endif /* PNG_USER_MEM_SUPPORTED */ - - if (png_ptr == NULL || ptr == NULL) return; - - if (png_ptr->offset_table != NULL) - { - int i; - - for (i = 0; i < png_ptr->offset_table_count; i++) - { - if (ptr == png_ptr->offset_table_ptr[i]) - { - ptr = NULL; - png_ptr->offset_table_count_free++; - break; - } - } - if (png_ptr->offset_table_count_free == png_ptr->offset_table_count) - { - farfree(png_ptr->offset_table); - farfree(png_ptr->offset_table_ptr); - png_ptr->offset_table = NULL; - png_ptr->offset_table_ptr = NULL; - } - } - - if (ptr != NULL) - { - farfree(ptr); - } -} - -#else /* Not the Borland DOS special memory handler */ - -/* Allocate memory for a png_struct or a png_info. The malloc and - memset can be replaced by a single call to calloc() if this is thought - to improve performance noticably. */ -png_voidp /* PRIVATE */ -png_create_struct(int type) -{ -#ifdef PNG_USER_MEM_SUPPORTED - return (png_create_struct_2(type, png_malloc_ptr_NULL, png_voidp_NULL)); -} - -/* Allocate memory for a png_struct or a png_info. The malloc and - memset can be replaced by a single call to calloc() if this is thought - to improve performance noticably. */ -png_voidp /* PRIVATE */ -png_create_struct_2(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr) -{ -#endif /* PNG_USER_MEM_SUPPORTED */ - png_size_t size; - png_voidp struct_ptr; - - if (type == PNG_STRUCT_INFO) - size = png_sizeof(png_info); - else if (type == PNG_STRUCT_PNG) - size = png_sizeof(png_struct); - else - return (NULL); - -#ifdef PNG_USER_MEM_SUPPORTED - if (malloc_fn != NULL) - { - png_struct dummy_struct; - png_structp png_ptr = &dummy_struct; - png_ptr->mem_ptr=mem_ptr; - struct_ptr = (*(malloc_fn))(png_ptr, size); - if (struct_ptr != NULL) - png_memset(struct_ptr, 0, size); - return (struct_ptr); - } -#endif /* PNG_USER_MEM_SUPPORTED */ - -#if defined(__TURBOC__) && !defined(__FLAT__) - struct_ptr = (png_voidp)farmalloc(size); -#else -# if defined(_MSC_VER) && defined(MAXSEG_64K) - struct_ptr = (png_voidp)halloc(size, 1); -# else - struct_ptr = (png_voidp)malloc(size); -# endif -#endif - if (struct_ptr != NULL) - png_memset(struct_ptr, 0, size); - - return (struct_ptr); -} - - -/* Free memory allocated by a png_create_struct() call */ -void /* PRIVATE */ -png_destroy_struct(png_voidp struct_ptr) -{ -#ifdef PNG_USER_MEM_SUPPORTED - png_destroy_struct_2(struct_ptr, png_free_ptr_NULL, png_voidp_NULL); -} - -/* Free memory allocated by a png_create_struct() call */ -void /* PRIVATE */ -png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn, - png_voidp mem_ptr) -{ -#endif /* PNG_USER_MEM_SUPPORTED */ - if (struct_ptr != NULL) - { -#ifdef PNG_USER_MEM_SUPPORTED - if (free_fn != NULL) - { - png_struct dummy_struct; - png_structp png_ptr = &dummy_struct; - png_ptr->mem_ptr=mem_ptr; - (*(free_fn))(png_ptr, struct_ptr); - return; - } -#endif /* PNG_USER_MEM_SUPPORTED */ -#if defined(__TURBOC__) && !defined(__FLAT__) - farfree(struct_ptr); -#else -# if defined(_MSC_VER) && defined(MAXSEG_64K) - hfree(struct_ptr); -# else - free(struct_ptr); -# endif -#endif - } -} - -/* Allocate memory. For reasonable files, size should never exceed - 64K. However, zlib may allocate more then 64K if you don't tell - it not to. See zconf.h and png.h for more information. zlib does - need to allocate exactly 64K, so whatever you call here must - have the ability to do that. */ - -png_voidp PNGAPI -png_malloc(png_structp png_ptr, png_uint_32 size) -{ - png_voidp ret; - -#ifdef PNG_USER_MEM_SUPPORTED - if (png_ptr == NULL || size == 0) - return (NULL); - - if (png_ptr->malloc_fn != NULL) - ret = ((png_voidp)(*(png_ptr->malloc_fn))(png_ptr, (png_size_t)size)); - else - ret = (png_malloc_default(png_ptr, size)); - if (ret == NULL && (png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, "Out of Memory!"); - return (ret); -} - -png_voidp PNGAPI -png_malloc_default(png_structp png_ptr, png_uint_32 size) -{ - png_voidp ret; -#endif /* PNG_USER_MEM_SUPPORTED */ - - if (png_ptr == NULL || size == 0) - return (NULL); - -#ifdef PNG_MAX_MALLOC_64K - if (size > (png_uint_32)65536L) - { -#ifndef PNG_USER_MEM_SUPPORTED - if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, "Cannot Allocate > 64K"); - else -#endif - return NULL; - } -#endif - - /* Check for overflow */ -#if defined(__TURBOC__) && !defined(__FLAT__) - if (size != (unsigned long)size) - ret = NULL; - else - ret = farmalloc(size); -#else -# if defined(_MSC_VER) && defined(MAXSEG_64K) - if (size != (unsigned long)size) - ret = NULL; - else - ret = halloc(size, 1); -# else - if (size != (size_t)size) - ret = NULL; - else - ret = malloc((size_t)size); -# endif -#endif - -#ifndef PNG_USER_MEM_SUPPORTED - if (ret == NULL && (png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, "Out of Memory"); -#endif - - return (ret); -} - -/* Free a pointer allocated by png_malloc(). If ptr is NULL, return - without taking any action. */ -void PNGAPI -png_free(png_structp png_ptr, png_voidp ptr) -{ - if (png_ptr == NULL || ptr == NULL) - return; - -#ifdef PNG_USER_MEM_SUPPORTED - if (png_ptr->free_fn != NULL) - { - (*(png_ptr->free_fn))(png_ptr, ptr); - return; - } - else png_free_default(png_ptr, ptr); -} -void PNGAPI -png_free_default(png_structp png_ptr, png_voidp ptr) -{ - if (png_ptr == NULL || ptr == NULL) - return; - -#endif /* PNG_USER_MEM_SUPPORTED */ - -#if defined(__TURBOC__) && !defined(__FLAT__) - farfree(ptr); -#else -# if defined(_MSC_VER) && defined(MAXSEG_64K) - hfree(ptr); -# else - free(ptr); -# endif -#endif -} - -#endif /* Not Borland DOS special memory handler */ - -#if defined(PNG_1_0_X) -# define png_malloc_warn png_malloc -#else -/* This function was added at libpng version 1.2.3. The png_malloc_warn() - * function will set up png_malloc() to issue a png_warning and return NULL - * instead of issuing a png_error, if it fails to allocate the requested - * memory. - */ -png_voidp PNGAPI -png_malloc_warn(png_structp png_ptr, png_uint_32 size) -{ - png_voidp ptr; - png_uint_32 save_flags; - if (png_ptr == NULL) return (NULL); - - save_flags = png_ptr->flags; - png_ptr->flags|=PNG_FLAG_MALLOC_NULL_MEM_OK; - ptr = (png_voidp)png_malloc((png_structp)png_ptr, size); - png_ptr->flags=save_flags; - return(ptr); -} -#endif - -png_voidp PNGAPI -png_memcpy_check (png_structp png_ptr, png_voidp s1, png_voidp s2, - png_uint_32 length) -{ - png_size_t size; - - size = (png_size_t)length; - if ((png_uint_32)size != length) - png_error(png_ptr, "Overflow in png_memcpy_check."); - - return(png_memcpy (s1, s2, size)); -} - -png_voidp PNGAPI -png_memset_check (png_structp png_ptr, png_voidp s1, int value, - png_uint_32 length) -{ - png_size_t size; - - size = (png_size_t)length; - if ((png_uint_32)size != length) - png_error(png_ptr, "Overflow in png_memset_check."); - - return (png_memset (s1, value, size)); - -} - -#ifdef PNG_USER_MEM_SUPPORTED -/* This function is called when the application wants to use another method - * of allocating and freeing memory. - */ -void PNGAPI -png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr - malloc_fn, png_free_ptr free_fn) -{ - if (png_ptr != NULL) - { - png_ptr->mem_ptr = mem_ptr; - png_ptr->malloc_fn = malloc_fn; - png_ptr->free_fn = free_fn; - } -} - -/* This function returns a pointer to the mem_ptr associated with the user - * functions. The application should free any memory associated with this - * pointer before png_write_destroy and png_read_destroy are called. - */ -png_voidp PNGAPI -png_get_mem_ptr(png_structp png_ptr) -{ - if (png_ptr == NULL) return (NULL); - return ((png_voidp)png_ptr->mem_ptr); -} -#endif /* PNG_USER_MEM_SUPPORTED */ -#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngnow.png b/Build/source/libs/libpng/libpng-1.2.34/pngnow.png deleted file mode 100644 index 82793ebddb7..00000000000 Binary files a/Build/source/libs/libpng/libpng-1.2.34/pngnow.png and /dev/null differ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngpread.c b/Build/source/libs/libpng/libpng-1.2.34/pngpread.c deleted file mode 100644 index b06fbadabd1..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngpread.c +++ /dev/null @@ -1,1594 +0,0 @@ - -/* pngpread.c - read a png file in push mode - * - * Last changed in libpng 1.2.32 [September 18, 2008] - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - */ - -#define PNG_INTERNAL -#include "png.h" -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED - -/* push model modes */ -#define PNG_READ_SIG_MODE 0 -#define PNG_READ_CHUNK_MODE 1 -#define PNG_READ_IDAT_MODE 2 -#define PNG_SKIP_MODE 3 -#define PNG_READ_tEXt_MODE 4 -#define PNG_READ_zTXt_MODE 5 -#define PNG_READ_DONE_MODE 6 -#define PNG_READ_iTXt_MODE 7 -#define PNG_ERROR_MODE 8 - -void PNGAPI -png_process_data(png_structp png_ptr, png_infop info_ptr, - png_bytep buffer, png_size_t buffer_size) -{ - if (png_ptr == NULL || info_ptr == NULL) return; - png_push_restore_buffer(png_ptr, buffer, buffer_size); - - while (png_ptr->buffer_size) - { - png_process_some_data(png_ptr, info_ptr); - } -} - -/* What we do with the incoming data depends on what we were previously - * doing before we ran out of data... - */ -void /* PRIVATE */ -png_process_some_data(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr == NULL) return; - switch (png_ptr->process_mode) - { - case PNG_READ_SIG_MODE: - { - png_push_read_sig(png_ptr, info_ptr); - break; - } - case PNG_READ_CHUNK_MODE: - { - png_push_read_chunk(png_ptr, info_ptr); - break; - } - case PNG_READ_IDAT_MODE: - { - png_push_read_IDAT(png_ptr); - break; - } -#if defined(PNG_READ_tEXt_SUPPORTED) - case PNG_READ_tEXt_MODE: - { - png_push_read_tEXt(png_ptr, info_ptr); - break; - } -#endif -#if defined(PNG_READ_zTXt_SUPPORTED) - case PNG_READ_zTXt_MODE: - { - png_push_read_zTXt(png_ptr, info_ptr); - break; - } -#endif -#if defined(PNG_READ_iTXt_SUPPORTED) - case PNG_READ_iTXt_MODE: - { - png_push_read_iTXt(png_ptr, info_ptr); - break; - } -#endif - case PNG_SKIP_MODE: - { - png_push_crc_finish(png_ptr); - break; - } - default: - { - png_ptr->buffer_size = 0; - break; - } - } -} - -/* Read any remaining signature bytes from the stream and compare them with - * the correct PNG signature. It is possible that this routine is called - * with bytes already read from the signature, either because they have been - * checked by the calling application, or because of multiple calls to this - * routine. - */ -void /* PRIVATE */ -png_push_read_sig(png_structp png_ptr, png_infop info_ptr) -{ - png_size_t num_checked = png_ptr->sig_bytes, - num_to_check = 8 - num_checked; - - if (png_ptr->buffer_size < num_to_check) - { - num_to_check = png_ptr->buffer_size; - } - - png_push_fill_buffer(png_ptr, &(info_ptr->signature[num_checked]), - num_to_check); - png_ptr->sig_bytes = (png_byte)(png_ptr->sig_bytes + num_to_check); - - if (png_sig_cmp(info_ptr->signature, num_checked, num_to_check)) - { - if (num_checked < 4 && - png_sig_cmp(info_ptr->signature, num_checked, num_to_check - 4)) - png_error(png_ptr, "Not a PNG file"); - else - png_error(png_ptr, "PNG file corrupted by ASCII conversion"); - } - else - { - if (png_ptr->sig_bytes >= 8) - { - png_ptr->process_mode = PNG_READ_CHUNK_MODE; - } - } -} - -void /* PRIVATE */ -png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_CONST PNG_IHDR; - PNG_CONST PNG_IDAT; - PNG_CONST PNG_IEND; - PNG_CONST PNG_PLTE; -#if defined(PNG_READ_bKGD_SUPPORTED) - PNG_CONST PNG_bKGD; -#endif -#if defined(PNG_READ_cHRM_SUPPORTED) - PNG_CONST PNG_cHRM; -#endif -#if defined(PNG_READ_gAMA_SUPPORTED) - PNG_CONST PNG_gAMA; -#endif -#if defined(PNG_READ_hIST_SUPPORTED) - PNG_CONST PNG_hIST; -#endif -#if defined(PNG_READ_iCCP_SUPPORTED) - PNG_CONST PNG_iCCP; -#endif -#if defined(PNG_READ_iTXt_SUPPORTED) - PNG_CONST PNG_iTXt; -#endif -#if defined(PNG_READ_oFFs_SUPPORTED) - PNG_CONST PNG_oFFs; -#endif -#if defined(PNG_READ_pCAL_SUPPORTED) - PNG_CONST PNG_pCAL; -#endif -#if defined(PNG_READ_pHYs_SUPPORTED) - PNG_CONST PNG_pHYs; -#endif -#if defined(PNG_READ_sBIT_SUPPORTED) - PNG_CONST PNG_sBIT; -#endif -#if defined(PNG_READ_sCAL_SUPPORTED) - PNG_CONST PNG_sCAL; -#endif -#if defined(PNG_READ_sRGB_SUPPORTED) - PNG_CONST PNG_sRGB; -#endif -#if defined(PNG_READ_sPLT_SUPPORTED) - PNG_CONST PNG_sPLT; -#endif -#if defined(PNG_READ_tEXt_SUPPORTED) - PNG_CONST PNG_tEXt; -#endif -#if defined(PNG_READ_tIME_SUPPORTED) - PNG_CONST PNG_tIME; -#endif -#if defined(PNG_READ_tRNS_SUPPORTED) - PNG_CONST PNG_tRNS; -#endif -#if defined(PNG_READ_zTXt_SUPPORTED) - PNG_CONST PNG_zTXt; -#endif -#endif /* PNG_USE_LOCAL_ARRAYS */ - /* First we make sure we have enough data for the 4 byte chunk name - * and the 4 byte chunk length before proceeding with decoding the - * chunk data. To fully decode each of these chunks, we also make - * sure we have enough data in the buffer for the 4 byte CRC at the - * end of every chunk (except IDAT, which is handled separately). - */ - if (!(png_ptr->mode & PNG_HAVE_CHUNK_HEADER)) - { - png_byte chunk_length[4]; - - if (png_ptr->buffer_size < 8) - { - png_push_save_buffer(png_ptr); - return; - } - - png_push_fill_buffer(png_ptr, chunk_length, 4); - png_ptr->push_length = png_get_uint_31(png_ptr, chunk_length); - png_reset_crc(png_ptr); - png_crc_read(png_ptr, png_ptr->chunk_name, 4); - png_check_chunk_name(png_ptr, png_ptr->chunk_name); - png_ptr->mode |= PNG_HAVE_CHUNK_HEADER; - } - - if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) - if (png_ptr->mode & PNG_AFTER_IDAT) - png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT; - - if (!png_memcmp(png_ptr->chunk_name, png_IHDR, 4)) - { - if (png_ptr->push_length != 13) - png_error(png_ptr, "Invalid IHDR length"); - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_IHDR(png_ptr, info_ptr, png_ptr->push_length); - } - else if (!png_memcmp(png_ptr->chunk_name, png_IEND, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_IEND(png_ptr, info_ptr, png_ptr->push_length); - - png_ptr->process_mode = PNG_READ_DONE_MODE; - png_push_have_end(png_ptr, info_ptr); - } -#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED - else if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) - png_ptr->mode |= PNG_HAVE_IDAT; - png_handle_unknown(png_ptr, info_ptr, png_ptr->push_length); - if (!png_memcmp(png_ptr->chunk_name, png_PLTE, 4)) - png_ptr->mode |= PNG_HAVE_PLTE; - else if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) - { - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before IDAT"); - else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE && - !(png_ptr->mode & PNG_HAVE_PLTE)) - png_error(png_ptr, "Missing PLTE before IDAT"); - } - } -#endif - else if (!png_memcmp(png_ptr->chunk_name, png_PLTE, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_PLTE(png_ptr, info_ptr, png_ptr->push_length); - } - else if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) - { - /* If we reach an IDAT chunk, this means we have read all of the - * header chunks, and we can start reading the image (or if this - * is called after the image has been read - we have an error). - */ - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before IDAT"); - else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE && - !(png_ptr->mode & PNG_HAVE_PLTE)) - png_error(png_ptr, "Missing PLTE before IDAT"); - - if (png_ptr->mode & PNG_HAVE_IDAT) - { - if (!(png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT)) - if (png_ptr->push_length == 0) - return; - - if (png_ptr->mode & PNG_AFTER_IDAT) - png_error(png_ptr, "Too many IDAT's found"); - } - - png_ptr->idat_size = png_ptr->push_length; - png_ptr->mode |= PNG_HAVE_IDAT; - png_ptr->process_mode = PNG_READ_IDAT_MODE; - png_push_have_info(png_ptr, info_ptr); - png_ptr->zstream.avail_out = (uInt)png_ptr->irowbytes; - png_ptr->zstream.next_out = png_ptr->row_buf; - return; - } -#if defined(PNG_READ_gAMA_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_gAMA, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_gAMA(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_sBIT_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_sBIT, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_sBIT(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_cHRM_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_cHRM, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_cHRM(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_sRGB_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_sRGB, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_sRGB(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_iCCP_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_iCCP, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_iCCP(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_sPLT_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_sPLT, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_sPLT(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_tRNS_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_tRNS, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_tRNS(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_bKGD_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_bKGD, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_bKGD(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_hIST_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_hIST, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_hIST(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_pHYs_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_pHYs, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_pHYs(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_oFFs_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_oFFs, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_oFFs(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_pCAL_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_pCAL, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_pCAL(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_sCAL_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_sCAL, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_sCAL(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_tIME_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_tIME, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_handle_tIME(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_tEXt_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_tEXt, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_push_handle_tEXt(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_zTXt_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_zTXt, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_push_handle_zTXt(png_ptr, info_ptr, png_ptr->push_length); - } -#endif -#if defined(PNG_READ_iTXt_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_iTXt, 4)) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_push_handle_iTXt(png_ptr, info_ptr, png_ptr->push_length); - } -#endif - else - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_push_handle_unknown(png_ptr, info_ptr, png_ptr->push_length); - } - - png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER; -} - -void /* PRIVATE */ -png_push_crc_skip(png_structp png_ptr, png_uint_32 skip) -{ - png_ptr->process_mode = PNG_SKIP_MODE; - png_ptr->skip_length = skip; -} - -void /* PRIVATE */ -png_push_crc_finish(png_structp png_ptr) -{ - if (png_ptr->skip_length && png_ptr->save_buffer_size) - { - png_size_t save_size; - - if (png_ptr->skip_length < (png_uint_32)png_ptr->save_buffer_size) - save_size = (png_size_t)png_ptr->skip_length; - else - save_size = png_ptr->save_buffer_size; - - png_calculate_crc(png_ptr, png_ptr->save_buffer_ptr, save_size); - - png_ptr->skip_length -= save_size; - png_ptr->buffer_size -= save_size; - png_ptr->save_buffer_size -= save_size; - png_ptr->save_buffer_ptr += save_size; - } - if (png_ptr->skip_length && png_ptr->current_buffer_size) - { - png_size_t save_size; - - if (png_ptr->skip_length < (png_uint_32)png_ptr->current_buffer_size) - save_size = (png_size_t)png_ptr->skip_length; - else - save_size = png_ptr->current_buffer_size; - - png_calculate_crc(png_ptr, png_ptr->current_buffer_ptr, save_size); - - png_ptr->skip_length -= save_size; - png_ptr->buffer_size -= save_size; - png_ptr->current_buffer_size -= save_size; - png_ptr->current_buffer_ptr += save_size; - } - if (!png_ptr->skip_length) - { - if (png_ptr->buffer_size < 4) - { - png_push_save_buffer(png_ptr); - return; - } - - png_crc_finish(png_ptr, 0); - png_ptr->process_mode = PNG_READ_CHUNK_MODE; - } -} - -void PNGAPI -png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length) -{ - png_bytep ptr; - - if (png_ptr == NULL) return; - ptr = buffer; - if (png_ptr->save_buffer_size) - { - png_size_t save_size; - - if (length < png_ptr->save_buffer_size) - save_size = length; - else - save_size = png_ptr->save_buffer_size; - - png_memcpy(ptr, png_ptr->save_buffer_ptr, save_size); - length -= save_size; - ptr += save_size; - png_ptr->buffer_size -= save_size; - png_ptr->save_buffer_size -= save_size; - png_ptr->save_buffer_ptr += save_size; - } - if (length && png_ptr->current_buffer_size) - { - png_size_t save_size; - - if (length < png_ptr->current_buffer_size) - save_size = length; - else - save_size = png_ptr->current_buffer_size; - - png_memcpy(ptr, png_ptr->current_buffer_ptr, save_size); - png_ptr->buffer_size -= save_size; - png_ptr->current_buffer_size -= save_size; - png_ptr->current_buffer_ptr += save_size; - } -} - -void /* PRIVATE */ -png_push_save_buffer(png_structp png_ptr) -{ - if (png_ptr->save_buffer_size) - { - if (png_ptr->save_buffer_ptr != png_ptr->save_buffer) - { - png_size_t i, istop; - png_bytep sp; - png_bytep dp; - - istop = png_ptr->save_buffer_size; - for (i = 0, sp = png_ptr->save_buffer_ptr, dp = png_ptr->save_buffer; - i < istop; i++, sp++, dp++) - { - *dp = *sp; - } - } - } - if (png_ptr->save_buffer_size + png_ptr->current_buffer_size > - png_ptr->save_buffer_max) - { - png_size_t new_max; - png_bytep old_buffer; - - if (png_ptr->save_buffer_size > PNG_SIZE_MAX - - (png_ptr->current_buffer_size + 256)) - { - png_error(png_ptr, "Potential overflow of save_buffer"); - } - new_max = png_ptr->save_buffer_size + png_ptr->current_buffer_size + 256; - old_buffer = png_ptr->save_buffer; - png_ptr->save_buffer = (png_bytep)png_malloc(png_ptr, - (png_uint_32)new_max); - png_memcpy(png_ptr->save_buffer, old_buffer, png_ptr->save_buffer_size); - png_free(png_ptr, old_buffer); - png_ptr->save_buffer_max = new_max; - } - if (png_ptr->current_buffer_size) - { - png_memcpy(png_ptr->save_buffer + png_ptr->save_buffer_size, - png_ptr->current_buffer_ptr, png_ptr->current_buffer_size); - png_ptr->save_buffer_size += png_ptr->current_buffer_size; - png_ptr->current_buffer_size = 0; - } - png_ptr->save_buffer_ptr = png_ptr->save_buffer; - png_ptr->buffer_size = 0; -} - -void /* PRIVATE */ -png_push_restore_buffer(png_structp png_ptr, png_bytep buffer, - png_size_t buffer_length) -{ - png_ptr->current_buffer = buffer; - png_ptr->current_buffer_size = buffer_length; - png_ptr->buffer_size = buffer_length + png_ptr->save_buffer_size; - png_ptr->current_buffer_ptr = png_ptr->current_buffer; -} - -void /* PRIVATE */ -png_push_read_IDAT(png_structp png_ptr) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_CONST PNG_IDAT; -#endif - if (!(png_ptr->mode & PNG_HAVE_CHUNK_HEADER)) - { - png_byte chunk_length[4]; - - if (png_ptr->buffer_size < 8) - { - png_push_save_buffer(png_ptr); - return; - } - - png_push_fill_buffer(png_ptr, chunk_length, 4); - png_ptr->push_length = png_get_uint_31(png_ptr, chunk_length); - png_reset_crc(png_ptr); - png_crc_read(png_ptr, png_ptr->chunk_name, 4); - png_ptr->mode |= PNG_HAVE_CHUNK_HEADER; - - if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) - { - png_ptr->process_mode = PNG_READ_CHUNK_MODE; - if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED)) - png_error(png_ptr, "Not enough compressed data"); - return; - } - - png_ptr->idat_size = png_ptr->push_length; - } - if (png_ptr->idat_size && png_ptr->save_buffer_size) - { - png_size_t save_size; - - if (png_ptr->idat_size < (png_uint_32)png_ptr->save_buffer_size) - { - save_size = (png_size_t)png_ptr->idat_size; - /* check for overflow */ - if ((png_uint_32)save_size != png_ptr->idat_size) - png_error(png_ptr, "save_size overflowed in pngpread"); - } - else - save_size = png_ptr->save_buffer_size; - - png_calculate_crc(png_ptr, png_ptr->save_buffer_ptr, save_size); - if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED)) - png_process_IDAT_data(png_ptr, png_ptr->save_buffer_ptr, save_size); - png_ptr->idat_size -= save_size; - png_ptr->buffer_size -= save_size; - png_ptr->save_buffer_size -= save_size; - png_ptr->save_buffer_ptr += save_size; - } - if (png_ptr->idat_size && png_ptr->current_buffer_size) - { - png_size_t save_size; - - if (png_ptr->idat_size < (png_uint_32)png_ptr->current_buffer_size) - { - save_size = (png_size_t)png_ptr->idat_size; - /* check for overflow */ - if ((png_uint_32)save_size != png_ptr->idat_size) - png_error(png_ptr, "save_size overflowed in pngpread"); - } - else - save_size = png_ptr->current_buffer_size; - - png_calculate_crc(png_ptr, png_ptr->current_buffer_ptr, save_size); - if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED)) - png_process_IDAT_data(png_ptr, png_ptr->current_buffer_ptr, save_size); - - png_ptr->idat_size -= save_size; - png_ptr->buffer_size -= save_size; - png_ptr->current_buffer_size -= save_size; - png_ptr->current_buffer_ptr += save_size; - } - if (!png_ptr->idat_size) - { - if (png_ptr->buffer_size < 4) - { - png_push_save_buffer(png_ptr); - return; - } - - png_crc_finish(png_ptr, 0); - png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER; - png_ptr->mode |= PNG_AFTER_IDAT; - } -} - -void /* PRIVATE */ -png_process_IDAT_data(png_structp png_ptr, png_bytep buffer, - png_size_t buffer_length) -{ - int ret; - - if ((png_ptr->flags & PNG_FLAG_ZLIB_FINISHED) && buffer_length) - png_error(png_ptr, "Extra compression data"); - - png_ptr->zstream.next_in = buffer; - png_ptr->zstream.avail_in = (uInt)buffer_length; - for (;;) - { - ret = inflate(&png_ptr->zstream, Z_PARTIAL_FLUSH); - if (ret != Z_OK) - { - if (ret == Z_STREAM_END) - { - if (png_ptr->zstream.avail_in) - png_error(png_ptr, "Extra compressed data"); - if (!(png_ptr->zstream.avail_out)) - { - png_push_process_row(png_ptr); - } - - png_ptr->mode |= PNG_AFTER_IDAT; - png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED; - break; - } - else if (ret == Z_BUF_ERROR) - break; - else - png_error(png_ptr, "Decompression Error"); - } - if (!(png_ptr->zstream.avail_out)) - { - if (( -#if defined(PNG_READ_INTERLACING_SUPPORTED) - png_ptr->interlaced && png_ptr->pass > 6) || - (!png_ptr->interlaced && -#endif - png_ptr->row_number == png_ptr->num_rows)) - { - if (png_ptr->zstream.avail_in) - png_warning(png_ptr, "Too much data in IDAT chunks"); - png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED; - break; - } - png_push_process_row(png_ptr); - png_ptr->zstream.avail_out = (uInt)png_ptr->irowbytes; - png_ptr->zstream.next_out = png_ptr->row_buf; - } - else - break; - } -} - -void /* PRIVATE */ -png_push_process_row(png_structp png_ptr) -{ - png_ptr->row_info.color_type = png_ptr->color_type; - png_ptr->row_info.width = png_ptr->iwidth; - png_ptr->row_info.channels = png_ptr->channels; - png_ptr->row_info.bit_depth = png_ptr->bit_depth; - png_ptr->row_info.pixel_depth = png_ptr->pixel_depth; - - png_ptr->row_info.rowbytes = PNG_ROWBYTES(png_ptr->row_info.pixel_depth, - png_ptr->row_info.width); - - png_read_filter_row(png_ptr, &(png_ptr->row_info), - png_ptr->row_buf + 1, png_ptr->prev_row + 1, - (int)(png_ptr->row_buf[0])); - - png_memcpy_check(png_ptr, png_ptr->prev_row, png_ptr->row_buf, - png_ptr->rowbytes + 1); - - if (png_ptr->transformations || (png_ptr->flags&PNG_FLAG_STRIP_ALPHA)) - png_do_read_transformations(png_ptr); - -#if defined(PNG_READ_INTERLACING_SUPPORTED) - /* blow up interlaced rows to full size */ - if (png_ptr->interlaced && (png_ptr->transformations & PNG_INTERLACE)) - { - if (png_ptr->pass < 6) -/* old interface (pre-1.0.9): - png_do_read_interlace(&(png_ptr->row_info), - png_ptr->row_buf + 1, png_ptr->pass, png_ptr->transformations); - */ - png_do_read_interlace(png_ptr); - - switch (png_ptr->pass) - { - case 0: - { - int i; - for (i = 0; i < 8 && png_ptr->pass == 0; i++) - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); /* updates png_ptr->pass */ - } - if (png_ptr->pass == 2) /* pass 1 might be empty */ - { - for (i = 0; i < 4 && png_ptr->pass == 2; i++) - { - png_push_have_row(png_ptr, png_bytep_NULL); - png_read_push_finish_row(png_ptr); - } - } - if (png_ptr->pass == 4 && png_ptr->height <= 4) - { - for (i = 0; i < 2 && png_ptr->pass == 4; i++) - { - png_push_have_row(png_ptr, png_bytep_NULL); - png_read_push_finish_row(png_ptr); - } - } - if (png_ptr->pass == 6 && png_ptr->height <= 4) - { - png_push_have_row(png_ptr, png_bytep_NULL); - png_read_push_finish_row(png_ptr); - } - break; - } - case 1: - { - int i; - for (i = 0; i < 8 && png_ptr->pass == 1; i++) - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); - } - if (png_ptr->pass == 2) /* skip top 4 generated rows */ - { - for (i = 0; i < 4 && png_ptr->pass == 2; i++) - { - png_push_have_row(png_ptr, png_bytep_NULL); - png_read_push_finish_row(png_ptr); - } - } - break; - } - case 2: - { - int i; - for (i = 0; i < 4 && png_ptr->pass == 2; i++) - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); - } - for (i = 0; i < 4 && png_ptr->pass == 2; i++) - { - png_push_have_row(png_ptr, png_bytep_NULL); - png_read_push_finish_row(png_ptr); - } - if (png_ptr->pass == 4) /* pass 3 might be empty */ - { - for (i = 0; i < 2 && png_ptr->pass == 4; i++) - { - png_push_have_row(png_ptr, png_bytep_NULL); - png_read_push_finish_row(png_ptr); - } - } - break; - } - case 3: - { - int i; - for (i = 0; i < 4 && png_ptr->pass == 3; i++) - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); - } - if (png_ptr->pass == 4) /* skip top two generated rows */ - { - for (i = 0; i < 2 && png_ptr->pass == 4; i++) - { - png_push_have_row(png_ptr, png_bytep_NULL); - png_read_push_finish_row(png_ptr); - } - } - break; - } - case 4: - { - int i; - for (i = 0; i < 2 && png_ptr->pass == 4; i++) - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); - } - for (i = 0; i < 2 && png_ptr->pass == 4; i++) - { - png_push_have_row(png_ptr, png_bytep_NULL); - png_read_push_finish_row(png_ptr); - } - if (png_ptr->pass == 6) /* pass 5 might be empty */ - { - png_push_have_row(png_ptr, png_bytep_NULL); - png_read_push_finish_row(png_ptr); - } - break; - } - case 5: - { - int i; - for (i = 0; i < 2 && png_ptr->pass == 5; i++) - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); - } - if (png_ptr->pass == 6) /* skip top generated row */ - { - png_push_have_row(png_ptr, png_bytep_NULL); - png_read_push_finish_row(png_ptr); - } - break; - } - case 6: - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); - if (png_ptr->pass != 6) - break; - png_push_have_row(png_ptr, png_bytep_NULL); - png_read_push_finish_row(png_ptr); - } - } - } - else -#endif - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); - } -} - -void /* PRIVATE */ -png_read_push_finish_row(png_structp png_ptr) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - /* arrays to facilitate easy interlacing - use pass (0 - 6) as index */ - - /* start of interlace block */ - PNG_CONST int FARDATA png_pass_start[] = {0, 4, 0, 2, 0, 1, 0}; - - /* offset to next interlace block */ - PNG_CONST int FARDATA png_pass_inc[] = {8, 8, 4, 4, 2, 2, 1}; - - /* start of interlace block in the y direction */ - PNG_CONST int FARDATA png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1}; - - /* offset to next interlace block in the y direction */ - PNG_CONST int FARDATA png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2}; - - /* Height of interlace block. This is not currently used - if you need - * it, uncomment it here and in png.h - PNG_CONST int FARDATA png_pass_height[] = {8, 8, 4, 4, 2, 2, 1}; - */ -#endif - - png_ptr->row_number++; - if (png_ptr->row_number < png_ptr->num_rows) - return; - - if (png_ptr->interlaced) - { - png_ptr->row_number = 0; - png_memset_check(png_ptr, png_ptr->prev_row, 0, - png_ptr->rowbytes + 1); - do - { - png_ptr->pass++; - if ((png_ptr->pass == 1 && png_ptr->width < 5) || - (png_ptr->pass == 3 && png_ptr->width < 3) || - (png_ptr->pass == 5 && png_ptr->width < 2)) - png_ptr->pass++; - - if (png_ptr->pass > 7) - png_ptr->pass--; - if (png_ptr->pass >= 7) - break; - - png_ptr->iwidth = (png_ptr->width + - png_pass_inc[png_ptr->pass] - 1 - - png_pass_start[png_ptr->pass]) / - png_pass_inc[png_ptr->pass]; - - png_ptr->irowbytes = PNG_ROWBYTES(png_ptr->pixel_depth, - png_ptr->iwidth) + 1; - - if (png_ptr->transformations & PNG_INTERLACE) - break; - - png_ptr->num_rows = (png_ptr->height + - png_pass_yinc[png_ptr->pass] - 1 - - png_pass_ystart[png_ptr->pass]) / - png_pass_yinc[png_ptr->pass]; - - } while (png_ptr->iwidth == 0 || png_ptr->num_rows == 0); - } -} - -#if defined(PNG_READ_tEXt_SUPPORTED) -void /* PRIVATE */ -png_push_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 - length) -{ - if (!(png_ptr->mode & PNG_HAVE_IHDR) || (png_ptr->mode & PNG_HAVE_IEND)) - { - png_error(png_ptr, "Out of place tEXt"); - info_ptr = info_ptr; /* to quiet some compiler warnings */ - } - -#ifdef PNG_MAX_MALLOC_64K - png_ptr->skip_length = 0; /* This may not be necessary */ - - if (length > (png_uint_32)65535L) /* Can't hold entire string in memory */ - { - png_warning(png_ptr, "tEXt chunk too large to fit in memory"); - png_ptr->skip_length = length - (png_uint_32)65535L; - length = (png_uint_32)65535L; - } -#endif - - png_ptr->current_text = (png_charp)png_malloc(png_ptr, - (png_uint_32)(length + 1)); - png_ptr->current_text[length] = '\0'; - png_ptr->current_text_ptr = png_ptr->current_text; - png_ptr->current_text_size = (png_size_t)length; - png_ptr->current_text_left = (png_size_t)length; - png_ptr->process_mode = PNG_READ_tEXt_MODE; -} - -void /* PRIVATE */ -png_push_read_tEXt(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr->buffer_size && png_ptr->current_text_left) - { - png_size_t text_size; - - if (png_ptr->buffer_size < png_ptr->current_text_left) - text_size = png_ptr->buffer_size; - else - text_size = png_ptr->current_text_left; - png_crc_read(png_ptr, (png_bytep)png_ptr->current_text_ptr, text_size); - png_ptr->current_text_left -= text_size; - png_ptr->current_text_ptr += text_size; - } - if (!(png_ptr->current_text_left)) - { - png_textp text_ptr; - png_charp text; - png_charp key; - int ret; - - if (png_ptr->buffer_size < 4) - { - png_push_save_buffer(png_ptr); - return; - } - - png_push_crc_finish(png_ptr); - -#if defined(PNG_MAX_MALLOC_64K) - if (png_ptr->skip_length) - return; -#endif - - key = png_ptr->current_text; - - for (text = key; *text; text++) - /* empty loop */ ; - - if (text < key + png_ptr->current_text_size) - text++; - - text_ptr = (png_textp)png_malloc(png_ptr, - (png_uint_32)png_sizeof(png_text)); - text_ptr->compression = PNG_TEXT_COMPRESSION_NONE; - text_ptr->key = key; -#ifdef PNG_iTXt_SUPPORTED - text_ptr->lang = NULL; - text_ptr->lang_key = NULL; -#endif - text_ptr->text = text; - - ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1); - - png_free(png_ptr, key); - png_free(png_ptr, text_ptr); - png_ptr->current_text = NULL; - - if (ret) - png_warning(png_ptr, "Insufficient memory to store text chunk."); - } -} -#endif - -#if defined(PNG_READ_zTXt_SUPPORTED) -void /* PRIVATE */ -png_push_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 - length) -{ - if (!(png_ptr->mode & PNG_HAVE_IHDR) || (png_ptr->mode & PNG_HAVE_IEND)) - { - png_error(png_ptr, "Out of place zTXt"); - info_ptr = info_ptr; /* to quiet some compiler warnings */ - } - -#ifdef PNG_MAX_MALLOC_64K - /* We can't handle zTXt chunks > 64K, since we don't have enough space - * to be able to store the uncompressed data. Actually, the threshold - * is probably around 32K, but it isn't as definite as 64K is. - */ - if (length > (png_uint_32)65535L) - { - png_warning(png_ptr, "zTXt chunk too large to fit in memory"); - png_push_crc_skip(png_ptr, length); - return; - } -#endif - - png_ptr->current_text = (png_charp)png_malloc(png_ptr, - (png_uint_32)(length + 1)); - png_ptr->current_text[length] = '\0'; - png_ptr->current_text_ptr = png_ptr->current_text; - png_ptr->current_text_size = (png_size_t)length; - png_ptr->current_text_left = (png_size_t)length; - png_ptr->process_mode = PNG_READ_zTXt_MODE; -} - -void /* PRIVATE */ -png_push_read_zTXt(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr->buffer_size && png_ptr->current_text_left) - { - png_size_t text_size; - - if (png_ptr->buffer_size < (png_uint_32)png_ptr->current_text_left) - text_size = png_ptr->buffer_size; - else - text_size = png_ptr->current_text_left; - png_crc_read(png_ptr, (png_bytep)png_ptr->current_text_ptr, text_size); - png_ptr->current_text_left -= text_size; - png_ptr->current_text_ptr += text_size; - } - if (!(png_ptr->current_text_left)) - { - png_textp text_ptr; - png_charp text; - png_charp key; - int ret; - png_size_t text_size, key_size; - - if (png_ptr->buffer_size < 4) - { - png_push_save_buffer(png_ptr); - return; - } - - png_push_crc_finish(png_ptr); - - key = png_ptr->current_text; - - for (text = key; *text; text++) - /* empty loop */ ; - - /* zTXt can't have zero text */ - if (text >= key + png_ptr->current_text_size) - { - png_ptr->current_text = NULL; - png_free(png_ptr, key); - return; - } - - text++; - - if (*text != PNG_TEXT_COMPRESSION_zTXt) /* check compression byte */ - { - png_ptr->current_text = NULL; - png_free(png_ptr, key); - return; - } - - text++; - - png_ptr->zstream.next_in = (png_bytep )text; - png_ptr->zstream.avail_in = (uInt)(png_ptr->current_text_size - - (text - key)); - png_ptr->zstream.next_out = png_ptr->zbuf; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - - key_size = text - key; - text_size = 0; - text = NULL; - ret = Z_STREAM_END; - - while (png_ptr->zstream.avail_in) - { - ret = inflate(&png_ptr->zstream, Z_PARTIAL_FLUSH); - if (ret != Z_OK && ret != Z_STREAM_END) - { - inflateReset(&png_ptr->zstream); - png_ptr->zstream.avail_in = 0; - png_ptr->current_text = NULL; - png_free(png_ptr, key); - png_free(png_ptr, text); - return; - } - if (!(png_ptr->zstream.avail_out) || ret == Z_STREAM_END) - { - if (text == NULL) - { - text = (png_charp)png_malloc(png_ptr, - (png_uint_32)(png_ptr->zbuf_size - - png_ptr->zstream.avail_out + key_size + 1)); - png_memcpy(text + key_size, png_ptr->zbuf, - png_ptr->zbuf_size - png_ptr->zstream.avail_out); - png_memcpy(text, key, key_size); - text_size = key_size + png_ptr->zbuf_size - - png_ptr->zstream.avail_out; - *(text + text_size) = '\0'; - } - else - { - png_charp tmp; - - tmp = text; - text = (png_charp)png_malloc(png_ptr, text_size + - (png_uint_32)(png_ptr->zbuf_size - - png_ptr->zstream.avail_out + 1)); - png_memcpy(text, tmp, text_size); - png_free(png_ptr, tmp); - png_memcpy(text + text_size, png_ptr->zbuf, - png_ptr->zbuf_size - png_ptr->zstream.avail_out); - text_size += png_ptr->zbuf_size - png_ptr->zstream.avail_out; - *(text + text_size) = '\0'; - } - if (ret != Z_STREAM_END) - { - png_ptr->zstream.next_out = png_ptr->zbuf; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - } - } - else - { - break; - } - - if (ret == Z_STREAM_END) - break; - } - - inflateReset(&png_ptr->zstream); - png_ptr->zstream.avail_in = 0; - - if (ret != Z_STREAM_END) - { - png_ptr->current_text = NULL; - png_free(png_ptr, key); - png_free(png_ptr, text); - return; - } - - png_ptr->current_text = NULL; - png_free(png_ptr, key); - key = text; - text += key_size; - - text_ptr = (png_textp)png_malloc(png_ptr, - (png_uint_32)png_sizeof(png_text)); - text_ptr->compression = PNG_TEXT_COMPRESSION_zTXt; - text_ptr->key = key; -#ifdef PNG_iTXt_SUPPORTED - text_ptr->lang = NULL; - text_ptr->lang_key = NULL; -#endif - text_ptr->text = text; - - ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1); - - png_free(png_ptr, key); - png_free(png_ptr, text_ptr); - - if (ret) - png_warning(png_ptr, "Insufficient memory to store text chunk."); - } -} -#endif - -#if defined(PNG_READ_iTXt_SUPPORTED) -void /* PRIVATE */ -png_push_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 - length) -{ - if (!(png_ptr->mode & PNG_HAVE_IHDR) || (png_ptr->mode & PNG_HAVE_IEND)) - { - png_error(png_ptr, "Out of place iTXt"); - info_ptr = info_ptr; /* to quiet some compiler warnings */ - } - -#ifdef PNG_MAX_MALLOC_64K - png_ptr->skip_length = 0; /* This may not be necessary */ - - if (length > (png_uint_32)65535L) /* Can't hold entire string in memory */ - { - png_warning(png_ptr, "iTXt chunk too large to fit in memory"); - png_ptr->skip_length = length - (png_uint_32)65535L; - length = (png_uint_32)65535L; - } -#endif - - png_ptr->current_text = (png_charp)png_malloc(png_ptr, - (png_uint_32)(length + 1)); - png_ptr->current_text[length] = '\0'; - png_ptr->current_text_ptr = png_ptr->current_text; - png_ptr->current_text_size = (png_size_t)length; - png_ptr->current_text_left = (png_size_t)length; - png_ptr->process_mode = PNG_READ_iTXt_MODE; -} - -void /* PRIVATE */ -png_push_read_iTXt(png_structp png_ptr, png_infop info_ptr) -{ - - if (png_ptr->buffer_size && png_ptr->current_text_left) - { - png_size_t text_size; - - if (png_ptr->buffer_size < png_ptr->current_text_left) - text_size = png_ptr->buffer_size; - else - text_size = png_ptr->current_text_left; - png_crc_read(png_ptr, (png_bytep)png_ptr->current_text_ptr, text_size); - png_ptr->current_text_left -= text_size; - png_ptr->current_text_ptr += text_size; - } - if (!(png_ptr->current_text_left)) - { - png_textp text_ptr; - png_charp key; - int comp_flag; - png_charp lang; - png_charp lang_key; - png_charp text; - int ret; - - if (png_ptr->buffer_size < 4) - { - png_push_save_buffer(png_ptr); - return; - } - - png_push_crc_finish(png_ptr); - -#if defined(PNG_MAX_MALLOC_64K) - if (png_ptr->skip_length) - return; -#endif - - key = png_ptr->current_text; - - for (lang = key; *lang; lang++) - /* empty loop */ ; - - if (lang < key + png_ptr->current_text_size - 3) - lang++; - - comp_flag = *lang++; - lang++; /* skip comp_type, always zero */ - - for (lang_key = lang; *lang_key; lang_key++) - /* empty loop */ ; - lang_key++; /* skip NUL separator */ - - text=lang_key; - if (lang_key < key + png_ptr->current_text_size - 1) - { - for (; *text; text++) - /* empty loop */ ; - } - - if (text < key + png_ptr->current_text_size) - text++; - - text_ptr = (png_textp)png_malloc(png_ptr, - (png_uint_32)png_sizeof(png_text)); - text_ptr->compression = comp_flag + 2; - text_ptr->key = key; - text_ptr->lang = lang; - text_ptr->lang_key = lang_key; - text_ptr->text = text; - text_ptr->text_length = 0; - text_ptr->itxt_length = png_strlen(text); - - ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1); - - png_ptr->current_text = NULL; - - png_free(png_ptr, text_ptr); - if (ret) - png_warning(png_ptr, "Insufficient memory to store iTXt chunk."); - } -} -#endif - -/* This function is called when we haven't found a handler for this - * chunk. If there isn't a problem with the chunk itself (ie a bad chunk - * name or a critical chunk), the chunk is (currently) silently ignored. - */ -void /* PRIVATE */ -png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 - length) -{ - png_uint_32 skip = 0; - - if (!(png_ptr->chunk_name[0] & 0x20)) - { -#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) - if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name) != - PNG_HANDLE_CHUNK_ALWAYS -#if defined(PNG_READ_USER_CHUNKS_SUPPORTED) - && png_ptr->read_user_chunk_fn == NULL -#endif - ) -#endif - png_chunk_error(png_ptr, "unknown critical chunk"); - - info_ptr = info_ptr; /* to quiet some compiler warnings */ - } - -#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) - if (png_ptr->flags & PNG_FLAG_KEEP_UNKNOWN_CHUNKS) - { -#ifdef PNG_MAX_MALLOC_64K - if (length > (png_uint_32)65535L) - { - png_warning(png_ptr, "unknown chunk too large to fit in memory"); - skip = length - (png_uint_32)65535L; - length = (png_uint_32)65535L; - } -#endif - png_memcpy((png_charp)png_ptr->unknown_chunk.name, - (png_charp)png_ptr->chunk_name, - png_sizeof(png_ptr->unknown_chunk.name)); - png_ptr->unknown_chunk.name[png_sizeof(png_ptr->unknown_chunk.name) - 1] - = '\0'; - - png_ptr->unknown_chunk.size = (png_size_t)length; - if (length == 0) - png_ptr->unknown_chunk.data = NULL; - else - { - png_ptr->unknown_chunk.data = (png_bytep)png_malloc(png_ptr, - (png_uint_32)length); - png_crc_read(png_ptr, (png_bytep)png_ptr->unknown_chunk.data, length); - } -#if defined(PNG_READ_USER_CHUNKS_SUPPORTED) - if (png_ptr->read_user_chunk_fn != NULL) - { - /* callback to user unknown chunk handler */ - int ret; - ret = (*(png_ptr->read_user_chunk_fn)) - (png_ptr, &png_ptr->unknown_chunk); - if (ret < 0) - png_chunk_error(png_ptr, "error in user chunk"); - if (ret == 0) - { - if (!(png_ptr->chunk_name[0] & 0x20)) - if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name) != - PNG_HANDLE_CHUNK_ALWAYS) - png_chunk_error(png_ptr, "unknown critical chunk"); - png_set_unknown_chunks(png_ptr, info_ptr, - &png_ptr->unknown_chunk, 1); - } - } - else -#endif - png_set_unknown_chunks(png_ptr, info_ptr, &png_ptr->unknown_chunk, 1); - png_free(png_ptr, png_ptr->unknown_chunk.data); - png_ptr->unknown_chunk.data = NULL; - } - else -#endif - skip=length; - png_push_crc_skip(png_ptr, skip); -} - -void /* PRIVATE */ -png_push_have_info(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr->info_fn != NULL) - (*(png_ptr->info_fn))(png_ptr, info_ptr); -} - -void /* PRIVATE */ -png_push_have_end(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr->end_fn != NULL) - (*(png_ptr->end_fn))(png_ptr, info_ptr); -} - -void /* PRIVATE */ -png_push_have_row(png_structp png_ptr, png_bytep row) -{ - if (png_ptr->row_fn != NULL) - (*(png_ptr->row_fn))(png_ptr, row, png_ptr->row_number, - (int)png_ptr->pass); -} - -void PNGAPI -png_progressive_combine_row (png_structp png_ptr, - png_bytep old_row, png_bytep new_row) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_CONST int FARDATA png_pass_dsp_mask[7] = - {0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, 0xff}; -#endif - if (png_ptr == NULL) return; - if (new_row != NULL) /* new_row must == png_ptr->row_buf here. */ - png_combine_row(png_ptr, old_row, png_pass_dsp_mask[png_ptr->pass]); -} - -void PNGAPI -png_set_progressive_read_fn(png_structp png_ptr, png_voidp progressive_ptr, - png_progressive_info_ptr info_fn, png_progressive_row_ptr row_fn, - png_progressive_end_ptr end_fn) -{ - if (png_ptr == NULL) return; - png_ptr->info_fn = info_fn; - png_ptr->row_fn = row_fn; - png_ptr->end_fn = end_fn; - - png_set_read_fn(png_ptr, progressive_ptr, png_push_fill_buffer); -} - -png_voidp PNGAPI -png_get_progressive_ptr(png_structp png_ptr) -{ - if (png_ptr == NULL) return (NULL); - return png_ptr->io_ptr; -} -#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngread.c b/Build/source/libs/libpng/libpng-1.2.34/pngread.c deleted file mode 100644 index 68b58582659..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngread.c +++ /dev/null @@ -1,1459 +0,0 @@ - -/* pngread.c - read a PNG file - * - * Last changed in libpng 1.2.30 [August 15, 2008] - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - * - * This file contains routines that an application calls directly to - * read a PNG file or stream. - */ - -#define PNG_INTERNAL -#include "png.h" -#if defined(PNG_READ_SUPPORTED) - -/* Create a PNG structure for reading, and allocate any memory needed. */ -png_structp PNGAPI -png_create_read_struct(png_const_charp user_png_ver, png_voidp error_ptr, - png_error_ptr error_fn, png_error_ptr warn_fn) -{ - -#ifdef PNG_USER_MEM_SUPPORTED - return (png_create_read_struct_2(user_png_ver, error_ptr, error_fn, - warn_fn, png_voidp_NULL, png_malloc_ptr_NULL, png_free_ptr_NULL)); -} - -/* Alternate create PNG structure for reading, and allocate any memory needed. */ -png_structp PNGAPI -png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr, - png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr, - png_malloc_ptr malloc_fn, png_free_ptr free_fn) -{ -#endif /* PNG_USER_MEM_SUPPORTED */ - -#ifdef PNG_SETJMP_SUPPORTED - volatile -#endif - png_structp png_ptr; - -#ifdef PNG_SETJMP_SUPPORTED -#ifdef USE_FAR_KEYWORD - jmp_buf jmpbuf; -#endif -#endif - - int i; - - png_debug(1, "in png_create_read_struct"); -#ifdef PNG_USER_MEM_SUPPORTED - png_ptr = (png_structp)png_create_struct_2(PNG_STRUCT_PNG, - (png_malloc_ptr)malloc_fn, (png_voidp)mem_ptr); -#else - png_ptr = (png_structp)png_create_struct(PNG_STRUCT_PNG); -#endif - if (png_ptr == NULL) - return (NULL); - - /* added at libpng-1.2.6 */ -#ifdef PNG_SET_USER_LIMITS_SUPPORTED - png_ptr->user_width_max=PNG_USER_WIDTH_MAX; - png_ptr->user_height_max=PNG_USER_HEIGHT_MAX; -#endif - -#ifdef PNG_SETJMP_SUPPORTED -#ifdef USE_FAR_KEYWORD - if (setjmp(jmpbuf)) -#else - if (setjmp(png_ptr->jmpbuf)) -#endif - { - png_free(png_ptr, png_ptr->zbuf); - png_ptr->zbuf = NULL; -#ifdef PNG_USER_MEM_SUPPORTED - png_destroy_struct_2((png_voidp)png_ptr, - (png_free_ptr)free_fn, (png_voidp)mem_ptr); -#else - png_destroy_struct((png_voidp)png_ptr); -#endif - return (NULL); - } -#ifdef USE_FAR_KEYWORD - png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf)); -#endif -#endif - -#ifdef PNG_USER_MEM_SUPPORTED - png_set_mem_fn(png_ptr, mem_ptr, malloc_fn, free_fn); -#endif - - png_set_error_fn(png_ptr, error_ptr, error_fn, warn_fn); - - if (user_png_ver) - { - i = 0; - do - { - if (user_png_ver[i] != png_libpng_ver[i]) - png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH; - } while (png_libpng_ver[i++]); - } - else - png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH; - - - if (png_ptr->flags & PNG_FLAG_LIBRARY_MISMATCH) - { - /* Libpng 0.90 and later are binary incompatible with libpng 0.89, so - * we must recompile any applications that use any older library version. - * For versions after libpng 1.0, we will be compatible, so we need - * only check the first digit. - */ - if (user_png_ver == NULL || user_png_ver[0] != png_libpng_ver[0] || - (user_png_ver[0] == '1' && user_png_ver[2] != png_libpng_ver[2]) || - (user_png_ver[0] == '0' && user_png_ver[2] < '9')) - { -#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE) - char msg[80]; - if (user_png_ver) - { - png_snprintf(msg, 80, - "Application was compiled with png.h from libpng-%.20s", - user_png_ver); - png_warning(png_ptr, msg); - } - png_snprintf(msg, 80, - "Application is running with png.c from libpng-%.20s", - png_libpng_ver); - png_warning(png_ptr, msg); -#endif -#ifdef PNG_ERROR_NUMBERS_SUPPORTED - png_ptr->flags = 0; -#endif - png_error(png_ptr, - "Incompatible libpng version in application and library"); - } - } - - /* initialize zbuf - compression buffer */ - png_ptr->zbuf_size = PNG_ZBUF_SIZE; - png_ptr->zbuf = (png_bytep)png_malloc(png_ptr, - (png_uint_32)png_ptr->zbuf_size); - png_ptr->zstream.zalloc = png_zalloc; - png_ptr->zstream.zfree = png_zfree; - png_ptr->zstream.opaque = (voidpf)png_ptr; - - switch (inflateInit(&png_ptr->zstream)) - { - case Z_OK: /* Do nothing */ break; - case Z_MEM_ERROR: - case Z_STREAM_ERROR: png_error(png_ptr, "zlib memory error"); break; - case Z_VERSION_ERROR: png_error(png_ptr, "zlib version error"); break; - default: png_error(png_ptr, "Unknown zlib error"); - } - - png_ptr->zstream.next_out = png_ptr->zbuf; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - - png_set_read_fn(png_ptr, png_voidp_NULL, png_rw_ptr_NULL); - -#ifdef PNG_SETJMP_SUPPORTED -/* Applications that neglect to set up their own setjmp() and then encounter - a png_error() will longjmp here. Since the jmpbuf is then meaningless we - abort instead of returning. */ -#ifdef USE_FAR_KEYWORD - if (setjmp(jmpbuf)) - PNG_ABORT(); - png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf)); -#else - if (setjmp(png_ptr->jmpbuf)) - PNG_ABORT(); -#endif -#endif - return (png_ptr); -} - -#if defined(PNG_1_0_X) || defined(PNG_1_2_X) -/* Initialize PNG structure for reading, and allocate any memory needed. - This interface is deprecated in favour of the png_create_read_struct(), - and it will disappear as of libpng-1.3.0. */ -#undef png_read_init -void PNGAPI -png_read_init(png_structp png_ptr) -{ - /* We only come here via pre-1.0.7-compiled applications */ - png_read_init_2(png_ptr, "1.0.6 or earlier", 0, 0); -} - -void PNGAPI -png_read_init_2(png_structp png_ptr, png_const_charp user_png_ver, - png_size_t png_struct_size, png_size_t png_info_size) -{ - /* We only come here via pre-1.0.12-compiled applications */ - if (png_ptr == NULL) return; -#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE) - if (png_sizeof(png_struct) > png_struct_size || - png_sizeof(png_info) > png_info_size) - { - char msg[80]; - png_ptr->warning_fn = NULL; - if (user_png_ver) - { - png_snprintf(msg, 80, - "Application was compiled with png.h from libpng-%.20s", - user_png_ver); - png_warning(png_ptr, msg); - } - png_snprintf(msg, 80, - "Application is running with png.c from libpng-%.20s", - png_libpng_ver); - png_warning(png_ptr, msg); - } -#endif - if (png_sizeof(png_struct) > png_struct_size) - { - png_ptr->error_fn = NULL; -#ifdef PNG_ERROR_NUMBERS_SUPPORTED - png_ptr->flags = 0; -#endif - png_error(png_ptr, - "The png struct allocated by the application for reading is too small."); - } - if (png_sizeof(png_info) > png_info_size) - { - png_ptr->error_fn = NULL; -#ifdef PNG_ERROR_NUMBERS_SUPPORTED - png_ptr->flags = 0; -#endif - png_error(png_ptr, - "The info struct allocated by application for reading is too small."); - } - png_read_init_3(&png_ptr, user_png_ver, png_struct_size); -} -#endif /* PNG_1_0_X || PNG_1_2_X */ - -void PNGAPI -png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver, - png_size_t png_struct_size) -{ -#ifdef PNG_SETJMP_SUPPORTED - jmp_buf tmp_jmp; /* to save current jump buffer */ -#endif - - int i = 0; - - png_structp png_ptr=*ptr_ptr; - - if (png_ptr == NULL) return; - - do - { - if (user_png_ver[i] != png_libpng_ver[i]) - { -#ifdef PNG_LEGACY_SUPPORTED - png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH; -#else - png_ptr->warning_fn = NULL; - png_warning(png_ptr, - "Application uses deprecated png_read_init() and should be recompiled."); - break; -#endif - } - } while (png_libpng_ver[i++]); - - png_debug(1, "in png_read_init_3"); - -#ifdef PNG_SETJMP_SUPPORTED - /* save jump buffer and error functions */ - png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof(jmp_buf)); -#endif - - if (png_sizeof(png_struct) > png_struct_size) - { - png_destroy_struct(png_ptr); - *ptr_ptr = (png_structp)png_create_struct(PNG_STRUCT_PNG); - png_ptr = *ptr_ptr; - } - - /* reset all variables to 0 */ - png_memset(png_ptr, 0, png_sizeof(png_struct)); - -#ifdef PNG_SETJMP_SUPPORTED - /* restore jump buffer */ - png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof(jmp_buf)); -#endif - - /* added at libpng-1.2.6 */ -#ifdef PNG_SET_USER_LIMITS_SUPPORTED - png_ptr->user_width_max=PNG_USER_WIDTH_MAX; - png_ptr->user_height_max=PNG_USER_HEIGHT_MAX; -#endif - - /* initialize zbuf - compression buffer */ - png_ptr->zbuf_size = PNG_ZBUF_SIZE; - png_ptr->zbuf = (png_bytep)png_malloc(png_ptr, - (png_uint_32)png_ptr->zbuf_size); - png_ptr->zstream.zalloc = png_zalloc; - png_ptr->zstream.zfree = png_zfree; - png_ptr->zstream.opaque = (voidpf)png_ptr; - - switch (inflateInit(&png_ptr->zstream)) - { - case Z_OK: /* Do nothing */ break; - case Z_MEM_ERROR: - case Z_STREAM_ERROR: png_error(png_ptr, "zlib memory"); break; - case Z_VERSION_ERROR: png_error(png_ptr, "zlib version"); break; - default: png_error(png_ptr, "Unknown zlib error"); - } - - png_ptr->zstream.next_out = png_ptr->zbuf; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - - png_set_read_fn(png_ptr, png_voidp_NULL, png_rw_ptr_NULL); -} - -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED -/* Read the information before the actual image data. This has been - * changed in v0.90 to allow reading a file that already has the magic - * bytes read from the stream. You can tell libpng how many bytes have - * been read from the beginning of the stream (up to the maximum of 8) - * via png_set_sig_bytes(), and we will only check the remaining bytes - * here. The application can then have access to the signature bytes we - * read if it is determined that this isn't a valid PNG file. - */ -void PNGAPI -png_read_info(png_structp png_ptr, png_infop info_ptr) -{ - if (png_ptr == NULL || info_ptr == NULL) return; - png_debug(1, "in png_read_info"); - /* If we haven't checked all of the PNG signature bytes, do so now. */ - if (png_ptr->sig_bytes < 8) - { - png_size_t num_checked = png_ptr->sig_bytes, - num_to_check = 8 - num_checked; - - png_read_data(png_ptr, &(info_ptr->signature[num_checked]), num_to_check); - png_ptr->sig_bytes = 8; - - if (png_sig_cmp(info_ptr->signature, num_checked, num_to_check)) - { - if (num_checked < 4 && - png_sig_cmp(info_ptr->signature, num_checked, num_to_check - 4)) - png_error(png_ptr, "Not a PNG file"); - else - png_error(png_ptr, "PNG file corrupted by ASCII conversion"); - } - if (num_checked < 3) - png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE; - } - - for (;;) - { -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_CONST PNG_IHDR; - PNG_CONST PNG_IDAT; - PNG_CONST PNG_IEND; - PNG_CONST PNG_PLTE; -#if defined(PNG_READ_bKGD_SUPPORTED) - PNG_CONST PNG_bKGD; -#endif -#if defined(PNG_READ_cHRM_SUPPORTED) - PNG_CONST PNG_cHRM; -#endif -#if defined(PNG_READ_gAMA_SUPPORTED) - PNG_CONST PNG_gAMA; -#endif -#if defined(PNG_READ_hIST_SUPPORTED) - PNG_CONST PNG_hIST; -#endif -#if defined(PNG_READ_iCCP_SUPPORTED) - PNG_CONST PNG_iCCP; -#endif -#if defined(PNG_READ_iTXt_SUPPORTED) - PNG_CONST PNG_iTXt; -#endif -#if defined(PNG_READ_oFFs_SUPPORTED) - PNG_CONST PNG_oFFs; -#endif -#if defined(PNG_READ_pCAL_SUPPORTED) - PNG_CONST PNG_pCAL; -#endif -#if defined(PNG_READ_pHYs_SUPPORTED) - PNG_CONST PNG_pHYs; -#endif -#if defined(PNG_READ_sBIT_SUPPORTED) - PNG_CONST PNG_sBIT; -#endif -#if defined(PNG_READ_sCAL_SUPPORTED) - PNG_CONST PNG_sCAL; -#endif -#if defined(PNG_READ_sPLT_SUPPORTED) - PNG_CONST PNG_sPLT; -#endif -#if defined(PNG_READ_sRGB_SUPPORTED) - PNG_CONST PNG_sRGB; -#endif -#if defined(PNG_READ_tEXt_SUPPORTED) - PNG_CONST PNG_tEXt; -#endif -#if defined(PNG_READ_tIME_SUPPORTED) - PNG_CONST PNG_tIME; -#endif -#if defined(PNG_READ_tRNS_SUPPORTED) - PNG_CONST PNG_tRNS; -#endif -#if defined(PNG_READ_zTXt_SUPPORTED) - PNG_CONST PNG_zTXt; -#endif -#endif /* PNG_USE_LOCAL_ARRAYS */ - png_uint_32 length = png_read_chunk_header(png_ptr); - PNG_CONST png_bytep chunk_name = png_ptr->chunk_name; - - /* This should be a binary subdivision search or a hash for - * matching the chunk name rather than a linear search. - */ - if (!png_memcmp(chunk_name, png_IDAT, 4)) - if (png_ptr->mode & PNG_AFTER_IDAT) - png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT; - - if (!png_memcmp(chunk_name, png_IHDR, 4)) - png_handle_IHDR(png_ptr, info_ptr, length); - else if (!png_memcmp(chunk_name, png_IEND, 4)) - png_handle_IEND(png_ptr, info_ptr, length); -#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED - else if (png_handle_as_unknown(png_ptr, chunk_name)) - { - if (!png_memcmp(chunk_name, png_IDAT, 4)) - png_ptr->mode |= PNG_HAVE_IDAT; - png_handle_unknown(png_ptr, info_ptr, length); - if (!png_memcmp(chunk_name, png_PLTE, 4)) - png_ptr->mode |= PNG_HAVE_PLTE; - else if (!png_memcmp(chunk_name, png_IDAT, 4)) - { - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before IDAT"); - else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE && - !(png_ptr->mode & PNG_HAVE_PLTE)) - png_error(png_ptr, "Missing PLTE before IDAT"); - break; - } - } -#endif - else if (!png_memcmp(chunk_name, png_PLTE, 4)) - png_handle_PLTE(png_ptr, info_ptr, length); - else if (!png_memcmp(chunk_name, png_IDAT, 4)) - { - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before IDAT"); - else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE && - !(png_ptr->mode & PNG_HAVE_PLTE)) - png_error(png_ptr, "Missing PLTE before IDAT"); - - png_ptr->idat_size = length; - png_ptr->mode |= PNG_HAVE_IDAT; - break; - } -#if defined(PNG_READ_bKGD_SUPPORTED) - else if (!png_memcmp(chunk_name, png_bKGD, 4)) - png_handle_bKGD(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_cHRM_SUPPORTED) - else if (!png_memcmp(chunk_name, png_cHRM, 4)) - png_handle_cHRM(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_gAMA_SUPPORTED) - else if (!png_memcmp(chunk_name, png_gAMA, 4)) - png_handle_gAMA(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_hIST_SUPPORTED) - else if (!png_memcmp(chunk_name, png_hIST, 4)) - png_handle_hIST(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_oFFs_SUPPORTED) - else if (!png_memcmp(chunk_name, png_oFFs, 4)) - png_handle_oFFs(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_pCAL_SUPPORTED) - else if (!png_memcmp(chunk_name, png_pCAL, 4)) - png_handle_pCAL(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_sCAL_SUPPORTED) - else if (!png_memcmp(chunk_name, png_sCAL, 4)) - png_handle_sCAL(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_pHYs_SUPPORTED) - else if (!png_memcmp(chunk_name, png_pHYs, 4)) - png_handle_pHYs(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_sBIT_SUPPORTED) - else if (!png_memcmp(chunk_name, png_sBIT, 4)) - png_handle_sBIT(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_sRGB_SUPPORTED) - else if (!png_memcmp(chunk_name, png_sRGB, 4)) - png_handle_sRGB(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_iCCP_SUPPORTED) - else if (!png_memcmp(chunk_name, png_iCCP, 4)) - png_handle_iCCP(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_sPLT_SUPPORTED) - else if (!png_memcmp(chunk_name, png_sPLT, 4)) - png_handle_sPLT(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_tEXt_SUPPORTED) - else if (!png_memcmp(chunk_name, png_tEXt, 4)) - png_handle_tEXt(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_tIME_SUPPORTED) - else if (!png_memcmp(chunk_name, png_tIME, 4)) - png_handle_tIME(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_tRNS_SUPPORTED) - else if (!png_memcmp(chunk_name, png_tRNS, 4)) - png_handle_tRNS(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_zTXt_SUPPORTED) - else if (!png_memcmp(chunk_name, png_zTXt, 4)) - png_handle_zTXt(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_iTXt_SUPPORTED) - else if (!png_memcmp(chunk_name, png_iTXt, 4)) - png_handle_iTXt(png_ptr, info_ptr, length); -#endif - else - png_handle_unknown(png_ptr, info_ptr, length); - } -} -#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */ - -/* optional call to update the users info_ptr structure */ -void PNGAPI -png_read_update_info(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_read_update_info"); - if (png_ptr == NULL) return; - if (!(png_ptr->flags & PNG_FLAG_ROW_INIT)) - png_read_start_row(png_ptr); - else - png_warning(png_ptr, - "Ignoring extra png_read_update_info() call; row buffer not reallocated"); - png_read_transform_info(png_ptr, info_ptr); -} - -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED -/* Initialize palette, background, etc, after transformations - * are set, but before any reading takes place. This allows - * the user to obtain a gamma-corrected palette, for example. - * If the user doesn't call this, we will do it ourselves. - */ -void PNGAPI -png_start_read_image(png_structp png_ptr) -{ - png_debug(1, "in png_start_read_image"); - if (png_ptr == NULL) return; - if (!(png_ptr->flags & PNG_FLAG_ROW_INIT)) - png_read_start_row(png_ptr); -} -#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */ - -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED -void PNGAPI -png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_CONST PNG_IDAT; - PNG_CONST int png_pass_dsp_mask[7] = {0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, - 0xff}; - PNG_CONST int png_pass_mask[7] = {0x80, 0x08, 0x88, 0x22, 0xaa, 0x55, 0xff}; -#endif - int ret; - if (png_ptr == NULL) return; - png_debug2(1, "in png_read_row (row %lu, pass %d)", - png_ptr->row_number, png_ptr->pass); - if (!(png_ptr->flags & PNG_FLAG_ROW_INIT)) - png_read_start_row(png_ptr); - if (png_ptr->row_number == 0 && png_ptr->pass == 0) - { - /* check for transforms that have been set but were defined out */ -#if defined(PNG_WRITE_INVERT_SUPPORTED) && !defined(PNG_READ_INVERT_SUPPORTED) - if (png_ptr->transformations & PNG_INVERT_MONO) - png_warning(png_ptr, "PNG_READ_INVERT_SUPPORTED is not defined."); -#endif -#if defined(PNG_WRITE_FILLER_SUPPORTED) && !defined(PNG_READ_FILLER_SUPPORTED) - if (png_ptr->transformations & PNG_FILLER) - png_warning(png_ptr, "PNG_READ_FILLER_SUPPORTED is not defined."); -#endif -#if defined(PNG_WRITE_PACKSWAP_SUPPORTED) && !defined(PNG_READ_PACKSWAP_SUPPORTED) - if (png_ptr->transformations & PNG_PACKSWAP) - png_warning(png_ptr, "PNG_READ_PACKSWAP_SUPPORTED is not defined."); -#endif -#if defined(PNG_WRITE_PACK_SUPPORTED) && !defined(PNG_READ_PACK_SUPPORTED) - if (png_ptr->transformations & PNG_PACK) - png_warning(png_ptr, "PNG_READ_PACK_SUPPORTED is not defined."); -#endif -#if defined(PNG_WRITE_SHIFT_SUPPORTED) && !defined(PNG_READ_SHIFT_SUPPORTED) - if (png_ptr->transformations & PNG_SHIFT) - png_warning(png_ptr, "PNG_READ_SHIFT_SUPPORTED is not defined."); -#endif -#if defined(PNG_WRITE_BGR_SUPPORTED) && !defined(PNG_READ_BGR_SUPPORTED) - if (png_ptr->transformations & PNG_BGR) - png_warning(png_ptr, "PNG_READ_BGR_SUPPORTED is not defined."); -#endif -#if defined(PNG_WRITE_SWAP_SUPPORTED) && !defined(PNG_READ_SWAP_SUPPORTED) - if (png_ptr->transformations & PNG_SWAP_BYTES) - png_warning(png_ptr, "PNG_READ_SWAP_SUPPORTED is not defined."); -#endif - } - -#if defined(PNG_READ_INTERLACING_SUPPORTED) - /* if interlaced and we do not need a new row, combine row and return */ - if (png_ptr->interlaced && (png_ptr->transformations & PNG_INTERLACE)) - { - switch (png_ptr->pass) - { - case 0: - if (png_ptr->row_number & 0x07) - { - if (dsp_row != NULL) - png_combine_row(png_ptr, dsp_row, - png_pass_dsp_mask[png_ptr->pass]); - png_read_finish_row(png_ptr); - return; - } - break; - case 1: - if ((png_ptr->row_number & 0x07) || png_ptr->width < 5) - { - if (dsp_row != NULL) - png_combine_row(png_ptr, dsp_row, - png_pass_dsp_mask[png_ptr->pass]); - png_read_finish_row(png_ptr); - return; - } - break; - case 2: - if ((png_ptr->row_number & 0x07) != 4) - { - if (dsp_row != NULL && (png_ptr->row_number & 4)) - png_combine_row(png_ptr, dsp_row, - png_pass_dsp_mask[png_ptr->pass]); - png_read_finish_row(png_ptr); - return; - } - break; - case 3: - if ((png_ptr->row_number & 3) || png_ptr->width < 3) - { - if (dsp_row != NULL) - png_combine_row(png_ptr, dsp_row, - png_pass_dsp_mask[png_ptr->pass]); - png_read_finish_row(png_ptr); - return; - } - break; - case 4: - if ((png_ptr->row_number & 3) != 2) - { - if (dsp_row != NULL && (png_ptr->row_number & 2)) - png_combine_row(png_ptr, dsp_row, - png_pass_dsp_mask[png_ptr->pass]); - png_read_finish_row(png_ptr); - return; - } - break; - case 5: - if ((png_ptr->row_number & 1) || png_ptr->width < 2) - { - if (dsp_row != NULL) - png_combine_row(png_ptr, dsp_row, - png_pass_dsp_mask[png_ptr->pass]); - png_read_finish_row(png_ptr); - return; - } - break; - case 6: - if (!(png_ptr->row_number & 1)) - { - png_read_finish_row(png_ptr); - return; - } - break; - } - } -#endif - - if (!(png_ptr->mode & PNG_HAVE_IDAT)) - png_error(png_ptr, "Invalid attempt to read row data"); - - png_ptr->zstream.next_out = png_ptr->row_buf; - png_ptr->zstream.avail_out = (uInt)png_ptr->irowbytes; - do - { - if (!(png_ptr->zstream.avail_in)) - { - while (!png_ptr->idat_size) - { - png_crc_finish(png_ptr, 0); - - png_ptr->idat_size = png_read_chunk_header(png_ptr); - if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) - png_error(png_ptr, "Not enough image data"); - } - png_ptr->zstream.avail_in = (uInt)png_ptr->zbuf_size; - png_ptr->zstream.next_in = png_ptr->zbuf; - if (png_ptr->zbuf_size > png_ptr->idat_size) - png_ptr->zstream.avail_in = (uInt)png_ptr->idat_size; - png_crc_read(png_ptr, png_ptr->zbuf, - (png_size_t)png_ptr->zstream.avail_in); - png_ptr->idat_size -= png_ptr->zstream.avail_in; - } - ret = inflate(&png_ptr->zstream, Z_PARTIAL_FLUSH); - if (ret == Z_STREAM_END) - { - if (png_ptr->zstream.avail_out || png_ptr->zstream.avail_in || - png_ptr->idat_size) - png_error(png_ptr, "Extra compressed data"); - png_ptr->mode |= PNG_AFTER_IDAT; - png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED; - break; - } - if (ret != Z_OK) - png_error(png_ptr, png_ptr->zstream.msg ? png_ptr->zstream.msg : - "Decompression error"); - - } while (png_ptr->zstream.avail_out); - - png_ptr->row_info.color_type = png_ptr->color_type; - png_ptr->row_info.width = png_ptr->iwidth; - png_ptr->row_info.channels = png_ptr->channels; - png_ptr->row_info.bit_depth = png_ptr->bit_depth; - png_ptr->row_info.pixel_depth = png_ptr->pixel_depth; - png_ptr->row_info.rowbytes = PNG_ROWBYTES(png_ptr->row_info.pixel_depth, - png_ptr->row_info.width); - - if (png_ptr->row_buf[0]) - png_read_filter_row(png_ptr, &(png_ptr->row_info), - png_ptr->row_buf + 1, png_ptr->prev_row + 1, - (int)(png_ptr->row_buf[0])); - - png_memcpy_check(png_ptr, png_ptr->prev_row, png_ptr->row_buf, - png_ptr->rowbytes + 1); - -#if defined(PNG_MNG_FEATURES_SUPPORTED) - if ((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) && - (png_ptr->filter_type == PNG_INTRAPIXEL_DIFFERENCING)) - { - /* Intrapixel differencing */ - png_do_read_intrapixel(&(png_ptr->row_info), png_ptr->row_buf + 1); - } -#endif - - - if (png_ptr->transformations || (png_ptr->flags&PNG_FLAG_STRIP_ALPHA)) - png_do_read_transformations(png_ptr); - -#if defined(PNG_READ_INTERLACING_SUPPORTED) - /* blow up interlaced rows to full size */ - if (png_ptr->interlaced && - (png_ptr->transformations & PNG_INTERLACE)) - { - if (png_ptr->pass < 6) -/* old interface (pre-1.0.9): - png_do_read_interlace(&(png_ptr->row_info), - png_ptr->row_buf + 1, png_ptr->pass, png_ptr->transformations); - */ - png_do_read_interlace(png_ptr); - - if (dsp_row != NULL) - png_combine_row(png_ptr, dsp_row, - png_pass_dsp_mask[png_ptr->pass]); - if (row != NULL) - png_combine_row(png_ptr, row, - png_pass_mask[png_ptr->pass]); - } - else -#endif - { - if (row != NULL) - png_combine_row(png_ptr, row, 0xff); - if (dsp_row != NULL) - png_combine_row(png_ptr, dsp_row, 0xff); - } - png_read_finish_row(png_ptr); - - if (png_ptr->read_row_fn != NULL) - (*(png_ptr->read_row_fn))(png_ptr, png_ptr->row_number, png_ptr->pass); -} -#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */ - -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED -/* Read one or more rows of image data. If the image is interlaced, - * and png_set_interlace_handling() has been called, the rows need to - * contain the contents of the rows from the previous pass. If the - * image has alpha or transparency, and png_handle_alpha()[*] has been - * called, the rows contents must be initialized to the contents of the - * screen. - * - * "row" holds the actual image, and pixels are placed in it - * as they arrive. If the image is displayed after each pass, it will - * appear to "sparkle" in. "display_row" can be used to display a - * "chunky" progressive image, with finer detail added as it becomes - * available. If you do not want this "chunky" display, you may pass - * NULL for display_row. If you do not want the sparkle display, and - * you have not called png_handle_alpha(), you may pass NULL for rows. - * If you have called png_handle_alpha(), and the image has either an - * alpha channel or a transparency chunk, you must provide a buffer for - * rows. In this case, you do not have to provide a display_row buffer - * also, but you may. If the image is not interlaced, or if you have - * not called png_set_interlace_handling(), the display_row buffer will - * be ignored, so pass NULL to it. - * - * [*] png_handle_alpha() does not exist yet, as of this version of libpng - */ - -void PNGAPI -png_read_rows(png_structp png_ptr, png_bytepp row, - png_bytepp display_row, png_uint_32 num_rows) -{ - png_uint_32 i; - png_bytepp rp; - png_bytepp dp; - - png_debug(1, "in png_read_rows"); - if (png_ptr == NULL) return; - rp = row; - dp = display_row; - if (rp != NULL && dp != NULL) - for (i = 0; i < num_rows; i++) - { - png_bytep rptr = *rp++; - png_bytep dptr = *dp++; - - png_read_row(png_ptr, rptr, dptr); - } - else if (rp != NULL) - for (i = 0; i < num_rows; i++) - { - png_bytep rptr = *rp; - png_read_row(png_ptr, rptr, png_bytep_NULL); - rp++; - } - else if (dp != NULL) - for (i = 0; i < num_rows; i++) - { - png_bytep dptr = *dp; - png_read_row(png_ptr, png_bytep_NULL, dptr); - dp++; - } -} -#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */ - -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED -/* Read the entire image. If the image has an alpha channel or a tRNS - * chunk, and you have called png_handle_alpha()[*], you will need to - * initialize the image to the current image that PNG will be overlaying. - * We set the num_rows again here, in case it was incorrectly set in - * png_read_start_row() by a call to png_read_update_info() or - * png_start_read_image() if png_set_interlace_handling() wasn't called - * prior to either of these functions like it should have been. You can - * only call this function once. If you desire to have an image for - * each pass of a interlaced image, use png_read_rows() instead. - * - * [*] png_handle_alpha() does not exist yet, as of this version of libpng - */ -void PNGAPI -png_read_image(png_structp png_ptr, png_bytepp image) -{ - png_uint_32 i, image_height; - int pass, j; - png_bytepp rp; - - png_debug(1, "in png_read_image"); - if (png_ptr == NULL) return; - -#ifdef PNG_READ_INTERLACING_SUPPORTED - pass = png_set_interlace_handling(png_ptr); -#else - if (png_ptr->interlaced) - png_error(png_ptr, - "Cannot read interlaced image -- interlace handler disabled."); - pass = 1; -#endif - - - image_height=png_ptr->height; - png_ptr->num_rows = image_height; /* Make sure this is set correctly */ - - for (j = 0; j < pass; j++) - { - rp = image; - for (i = 0; i < image_height; i++) - { - png_read_row(png_ptr, *rp, png_bytep_NULL); - rp++; - } - } -} -#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */ - -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED -/* Read the end of the PNG file. Will not read past the end of the - * file, will verify the end is accurate, and will read any comments - * or time information at the end of the file, if info is not NULL. - */ -void PNGAPI -png_read_end(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_read_end"); - if (png_ptr == NULL) return; - png_crc_finish(png_ptr, 0); /* Finish off CRC from last IDAT chunk */ - - do - { -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_CONST PNG_IHDR; - PNG_CONST PNG_IDAT; - PNG_CONST PNG_IEND; - PNG_CONST PNG_PLTE; -#if defined(PNG_READ_bKGD_SUPPORTED) - PNG_CONST PNG_bKGD; -#endif -#if defined(PNG_READ_cHRM_SUPPORTED) - PNG_CONST PNG_cHRM; -#endif -#if defined(PNG_READ_gAMA_SUPPORTED) - PNG_CONST PNG_gAMA; -#endif -#if defined(PNG_READ_hIST_SUPPORTED) - PNG_CONST PNG_hIST; -#endif -#if defined(PNG_READ_iCCP_SUPPORTED) - PNG_CONST PNG_iCCP; -#endif -#if defined(PNG_READ_iTXt_SUPPORTED) - PNG_CONST PNG_iTXt; -#endif -#if defined(PNG_READ_oFFs_SUPPORTED) - PNG_CONST PNG_oFFs; -#endif -#if defined(PNG_READ_pCAL_SUPPORTED) - PNG_CONST PNG_pCAL; -#endif -#if defined(PNG_READ_pHYs_SUPPORTED) - PNG_CONST PNG_pHYs; -#endif -#if defined(PNG_READ_sBIT_SUPPORTED) - PNG_CONST PNG_sBIT; -#endif -#if defined(PNG_READ_sCAL_SUPPORTED) - PNG_CONST PNG_sCAL; -#endif -#if defined(PNG_READ_sPLT_SUPPORTED) - PNG_CONST PNG_sPLT; -#endif -#if defined(PNG_READ_sRGB_SUPPORTED) - PNG_CONST PNG_sRGB; -#endif -#if defined(PNG_READ_tEXt_SUPPORTED) - PNG_CONST PNG_tEXt; -#endif -#if defined(PNG_READ_tIME_SUPPORTED) - PNG_CONST PNG_tIME; -#endif -#if defined(PNG_READ_tRNS_SUPPORTED) - PNG_CONST PNG_tRNS; -#endif -#if defined(PNG_READ_zTXt_SUPPORTED) - PNG_CONST PNG_zTXt; -#endif -#endif /* PNG_USE_LOCAL_ARRAYS */ - png_uint_32 length = png_read_chunk_header(png_ptr); - PNG_CONST png_bytep chunk_name = png_ptr->chunk_name; - - if (!png_memcmp(chunk_name, png_IHDR, 4)) - png_handle_IHDR(png_ptr, info_ptr, length); - else if (!png_memcmp(chunk_name, png_IEND, 4)) - png_handle_IEND(png_ptr, info_ptr, length); -#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED - else if (png_handle_as_unknown(png_ptr, chunk_name)) - { - if (!png_memcmp(chunk_name, png_IDAT, 4)) - { - if ((length > 0) || (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT)) - png_error(png_ptr, "Too many IDAT's found"); - } - png_handle_unknown(png_ptr, info_ptr, length); - if (!png_memcmp(chunk_name, png_PLTE, 4)) - png_ptr->mode |= PNG_HAVE_PLTE; - } -#endif - else if (!png_memcmp(chunk_name, png_IDAT, 4)) - { - /* Zero length IDATs are legal after the last IDAT has been - * read, but not after other chunks have been read. - */ - if ((length > 0) || (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT)) - png_error(png_ptr, "Too many IDAT's found"); - png_crc_finish(png_ptr, length); - } - else if (!png_memcmp(chunk_name, png_PLTE, 4)) - png_handle_PLTE(png_ptr, info_ptr, length); -#if defined(PNG_READ_bKGD_SUPPORTED) - else if (!png_memcmp(chunk_name, png_bKGD, 4)) - png_handle_bKGD(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_cHRM_SUPPORTED) - else if (!png_memcmp(chunk_name, png_cHRM, 4)) - png_handle_cHRM(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_gAMA_SUPPORTED) - else if (!png_memcmp(chunk_name, png_gAMA, 4)) - png_handle_gAMA(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_hIST_SUPPORTED) - else if (!png_memcmp(chunk_name, png_hIST, 4)) - png_handle_hIST(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_oFFs_SUPPORTED) - else if (!png_memcmp(chunk_name, png_oFFs, 4)) - png_handle_oFFs(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_pCAL_SUPPORTED) - else if (!png_memcmp(chunk_name, png_pCAL, 4)) - png_handle_pCAL(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_sCAL_SUPPORTED) - else if (!png_memcmp(chunk_name, png_sCAL, 4)) - png_handle_sCAL(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_pHYs_SUPPORTED) - else if (!png_memcmp(chunk_name, png_pHYs, 4)) - png_handle_pHYs(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_sBIT_SUPPORTED) - else if (!png_memcmp(chunk_name, png_sBIT, 4)) - png_handle_sBIT(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_sRGB_SUPPORTED) - else if (!png_memcmp(chunk_name, png_sRGB, 4)) - png_handle_sRGB(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_iCCP_SUPPORTED) - else if (!png_memcmp(chunk_name, png_iCCP, 4)) - png_handle_iCCP(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_sPLT_SUPPORTED) - else if (!png_memcmp(chunk_name, png_sPLT, 4)) - png_handle_sPLT(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_tEXt_SUPPORTED) - else if (!png_memcmp(chunk_name, png_tEXt, 4)) - png_handle_tEXt(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_tIME_SUPPORTED) - else if (!png_memcmp(chunk_name, png_tIME, 4)) - png_handle_tIME(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_tRNS_SUPPORTED) - else if (!png_memcmp(chunk_name, png_tRNS, 4)) - png_handle_tRNS(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_zTXt_SUPPORTED) - else if (!png_memcmp(chunk_name, png_zTXt, 4)) - png_handle_zTXt(png_ptr, info_ptr, length); -#endif -#if defined(PNG_READ_iTXt_SUPPORTED) - else if (!png_memcmp(chunk_name, png_iTXt, 4)) - png_handle_iTXt(png_ptr, info_ptr, length); -#endif - else - png_handle_unknown(png_ptr, info_ptr, length); - } while (!(png_ptr->mode & PNG_HAVE_IEND)); -} -#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */ - -/* free all memory used by the read */ -void PNGAPI -png_destroy_read_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr, - png_infopp end_info_ptr_ptr) -{ - png_structp png_ptr = NULL; - png_infop info_ptr = NULL, end_info_ptr = NULL; -#ifdef PNG_USER_MEM_SUPPORTED - png_free_ptr free_fn = NULL; - png_voidp mem_ptr = NULL; -#endif - - png_debug(1, "in png_destroy_read_struct"); - if (png_ptr_ptr != NULL) - png_ptr = *png_ptr_ptr; - if (png_ptr == NULL) - return; - -#ifdef PNG_USER_MEM_SUPPORTED - free_fn = png_ptr->free_fn; - mem_ptr = png_ptr->mem_ptr; -#endif - - if (info_ptr_ptr != NULL) - info_ptr = *info_ptr_ptr; - - if (end_info_ptr_ptr != NULL) - end_info_ptr = *end_info_ptr_ptr; - - png_read_destroy(png_ptr, info_ptr, end_info_ptr); - - if (info_ptr != NULL) - { -#if defined(PNG_TEXT_SUPPORTED) - png_free_data(png_ptr, info_ptr, PNG_FREE_TEXT, -1); -#endif - -#ifdef PNG_USER_MEM_SUPPORTED - png_destroy_struct_2((png_voidp)info_ptr, (png_free_ptr)free_fn, - (png_voidp)mem_ptr); -#else - png_destroy_struct((png_voidp)info_ptr); -#endif - *info_ptr_ptr = NULL; - } - - if (end_info_ptr != NULL) - { -#if defined(PNG_READ_TEXT_SUPPORTED) - png_free_data(png_ptr, end_info_ptr, PNG_FREE_TEXT, -1); -#endif -#ifdef PNG_USER_MEM_SUPPORTED - png_destroy_struct_2((png_voidp)end_info_ptr, (png_free_ptr)free_fn, - (png_voidp)mem_ptr); -#else - png_destroy_struct((png_voidp)end_info_ptr); -#endif - *end_info_ptr_ptr = NULL; - } - - if (png_ptr != NULL) - { -#ifdef PNG_USER_MEM_SUPPORTED - png_destroy_struct_2((png_voidp)png_ptr, (png_free_ptr)free_fn, - (png_voidp)mem_ptr); -#else - png_destroy_struct((png_voidp)png_ptr); -#endif - *png_ptr_ptr = NULL; - } -} - -/* free all memory used by the read (old method) */ -void /* PRIVATE */ -png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr) -{ -#ifdef PNG_SETJMP_SUPPORTED - jmp_buf tmp_jmp; -#endif - png_error_ptr error_fn; - png_error_ptr warning_fn; - png_voidp error_ptr; -#ifdef PNG_USER_MEM_SUPPORTED - png_free_ptr free_fn; -#endif - - png_debug(1, "in png_read_destroy"); - if (info_ptr != NULL) - png_info_destroy(png_ptr, info_ptr); - - if (end_info_ptr != NULL) - png_info_destroy(png_ptr, end_info_ptr); - - png_free(png_ptr, png_ptr->zbuf); - png_free(png_ptr, png_ptr->big_row_buf); - png_free(png_ptr, png_ptr->prev_row); - png_free(png_ptr, png_ptr->chunkdata); -#if defined(PNG_READ_DITHER_SUPPORTED) - png_free(png_ptr, png_ptr->palette_lookup); - png_free(png_ptr, png_ptr->dither_index); -#endif -#if defined(PNG_READ_GAMMA_SUPPORTED) - png_free(png_ptr, png_ptr->gamma_table); -#endif -#if defined(PNG_READ_BACKGROUND_SUPPORTED) - png_free(png_ptr, png_ptr->gamma_from_1); - png_free(png_ptr, png_ptr->gamma_to_1); -#endif -#ifdef PNG_FREE_ME_SUPPORTED - if (png_ptr->free_me & PNG_FREE_PLTE) - png_zfree(png_ptr, png_ptr->palette); - png_ptr->free_me &= ~PNG_FREE_PLTE; -#else - if (png_ptr->flags & PNG_FLAG_FREE_PLTE) - png_zfree(png_ptr, png_ptr->palette); - png_ptr->flags &= ~PNG_FLAG_FREE_PLTE; -#endif -#if defined(PNG_tRNS_SUPPORTED) || \ - defined(PNG_READ_EXPAND_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) -#ifdef PNG_FREE_ME_SUPPORTED - if (png_ptr->free_me & PNG_FREE_TRNS) - png_free(png_ptr, png_ptr->trans); - png_ptr->free_me &= ~PNG_FREE_TRNS; -#else - if (png_ptr->flags & PNG_FLAG_FREE_TRNS) - png_free(png_ptr, png_ptr->trans); - png_ptr->flags &= ~PNG_FLAG_FREE_TRNS; -#endif -#endif -#if defined(PNG_READ_hIST_SUPPORTED) -#ifdef PNG_FREE_ME_SUPPORTED - if (png_ptr->free_me & PNG_FREE_HIST) - png_free(png_ptr, png_ptr->hist); - png_ptr->free_me &= ~PNG_FREE_HIST; -#else - if (png_ptr->flags & PNG_FLAG_FREE_HIST) - png_free(png_ptr, png_ptr->hist); - png_ptr->flags &= ~PNG_FLAG_FREE_HIST; -#endif -#endif -#if defined(PNG_READ_GAMMA_SUPPORTED) - if (png_ptr->gamma_16_table != NULL) - { - int i; - int istop = (1 << (8 - png_ptr->gamma_shift)); - for (i = 0; i < istop; i++) - { - png_free(png_ptr, png_ptr->gamma_16_table[i]); - } - png_free(png_ptr, png_ptr->gamma_16_table); - } -#if defined(PNG_READ_BACKGROUND_SUPPORTED) - if (png_ptr->gamma_16_from_1 != NULL) - { - int i; - int istop = (1 << (8 - png_ptr->gamma_shift)); - for (i = 0; i < istop; i++) - { - png_free(png_ptr, png_ptr->gamma_16_from_1[i]); - } - png_free(png_ptr, png_ptr->gamma_16_from_1); - } - if (png_ptr->gamma_16_to_1 != NULL) - { - int i; - int istop = (1 << (8 - png_ptr->gamma_shift)); - for (i = 0; i < istop; i++) - { - png_free(png_ptr, png_ptr->gamma_16_to_1[i]); - } - png_free(png_ptr, png_ptr->gamma_16_to_1); - } -#endif -#endif -#if defined(PNG_TIME_RFC1123_SUPPORTED) - png_free(png_ptr, png_ptr->time_buffer); -#endif - - inflateEnd(&png_ptr->zstream); -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED - png_free(png_ptr, png_ptr->save_buffer); -#endif - -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -#ifdef PNG_TEXT_SUPPORTED - png_free(png_ptr, png_ptr->current_text); -#endif /* PNG_TEXT_SUPPORTED */ -#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ - - /* Save the important info out of the png_struct, in case it is - * being used again. - */ -#ifdef PNG_SETJMP_SUPPORTED - png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof(jmp_buf)); -#endif - - error_fn = png_ptr->error_fn; - warning_fn = png_ptr->warning_fn; - error_ptr = png_ptr->error_ptr; -#ifdef PNG_USER_MEM_SUPPORTED - free_fn = png_ptr->free_fn; -#endif - - png_memset(png_ptr, 0, png_sizeof(png_struct)); - - png_ptr->error_fn = error_fn; - png_ptr->warning_fn = warning_fn; - png_ptr->error_ptr = error_ptr; -#ifdef PNG_USER_MEM_SUPPORTED - png_ptr->free_fn = free_fn; -#endif - -#ifdef PNG_SETJMP_SUPPORTED - png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof(jmp_buf)); -#endif - -} - -void PNGAPI -png_set_read_status_fn(png_structp png_ptr, png_read_status_ptr read_row_fn) -{ - if (png_ptr == NULL) return; - png_ptr->read_row_fn = read_row_fn; -} - - -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED -#if defined(PNG_INFO_IMAGE_SUPPORTED) -void PNGAPI -png_read_png(png_structp png_ptr, png_infop info_ptr, - int transforms, - voidp params) -{ - int row; - - if (png_ptr == NULL) return; -#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) - /* invert the alpha channel from opacity to transparency - */ - if (transforms & PNG_TRANSFORM_INVERT_ALPHA) - png_set_invert_alpha(png_ptr); -#endif - - /* png_read_info() gives us all of the information from the - * PNG file before the first IDAT (image data chunk). - */ - png_read_info(png_ptr, info_ptr); - if (info_ptr->height > PNG_UINT_32_MAX/png_sizeof(png_bytep)) - png_error(png_ptr, "Image is too high to process with png_read_png()"); - - /* -------------- image transformations start here ------------------- */ - -#if defined(PNG_READ_16_TO_8_SUPPORTED) - /* tell libpng to strip 16 bit/color files down to 8 bits per color - */ - if (transforms & PNG_TRANSFORM_STRIP_16) - png_set_strip_16(png_ptr); -#endif - -#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED) - /* Strip alpha bytes from the input data without combining with - * the background (not recommended). - */ - if (transforms & PNG_TRANSFORM_STRIP_ALPHA) - png_set_strip_alpha(png_ptr); -#endif - -#if defined(PNG_READ_PACK_SUPPORTED) && !defined(PNG_READ_EXPAND_SUPPORTED) - /* Extract multiple pixels with bit depths of 1, 2, or 4 from a single - * byte into separate bytes (useful for paletted and grayscale images). - */ - if (transforms & PNG_TRANSFORM_PACKING) - png_set_packing(png_ptr); -#endif - -#if defined(PNG_READ_PACKSWAP_SUPPORTED) - /* Change the order of packed pixels to least significant bit first - * (not useful if you are using png_set_packing). - */ - if (transforms & PNG_TRANSFORM_PACKSWAP) - png_set_packswap(png_ptr); -#endif - -#if defined(PNG_READ_EXPAND_SUPPORTED) - /* Expand paletted colors into true RGB triplets - * Expand grayscale images to full 8 bits from 1, 2, or 4 bits/pixel - * Expand paletted or RGB images with transparency to full alpha - * channels so the data will be available as RGBA quartets. - */ - if (transforms & PNG_TRANSFORM_EXPAND) - if ((png_ptr->bit_depth < 8) || - (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) || - (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))) - png_set_expand(png_ptr); -#endif - - /* We don't handle background color or gamma transformation or dithering. - */ - -#if defined(PNG_READ_INVERT_SUPPORTED) - /* invert monochrome files to have 0 as white and 1 as black - */ - if (transforms & PNG_TRANSFORM_INVERT_MONO) - png_set_invert_mono(png_ptr); -#endif - -#if defined(PNG_READ_SHIFT_SUPPORTED) - /* If you want to shift the pixel values from the range [0,255] or - * [0,65535] to the original [0,7] or [0,31], or whatever range the - * colors were originally in: - */ - if ((transforms & PNG_TRANSFORM_SHIFT) - && png_get_valid(png_ptr, info_ptr, PNG_INFO_sBIT)) - { - png_color_8p sig_bit; - - png_get_sBIT(png_ptr, info_ptr, &sig_bit); - png_set_shift(png_ptr, sig_bit); - } -#endif - -#if defined(PNG_READ_BGR_SUPPORTED) - /* flip the RGB pixels to BGR (or RGBA to BGRA) - */ - if (transforms & PNG_TRANSFORM_BGR) - png_set_bgr(png_ptr); -#endif - -#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) - /* swap the RGBA or GA data to ARGB or AG (or BGRA to ABGR) - */ - if (transforms & PNG_TRANSFORM_SWAP_ALPHA) - png_set_swap_alpha(png_ptr); -#endif - -#if defined(PNG_READ_SWAP_SUPPORTED) - /* swap bytes of 16 bit files to least significant byte first - */ - if (transforms & PNG_TRANSFORM_SWAP_ENDIAN) - png_set_swap(png_ptr); -#endif - - /* We don't handle adding filler bytes */ - - /* Optional call to gamma correct and add the background to the palette - * and update info structure. REQUIRED if you are expecting libpng to - * update the palette for you (i.e., you selected such a transform above). - */ - png_read_update_info(png_ptr, info_ptr); - - /* -------------- image transformations end here ------------------- */ - -#ifdef PNG_FREE_ME_SUPPORTED - png_free_data(png_ptr, info_ptr, PNG_FREE_ROWS, 0); -#endif - if (info_ptr->row_pointers == NULL) - { - info_ptr->row_pointers = (png_bytepp)png_malloc(png_ptr, - info_ptr->height * png_sizeof(png_bytep)); -#ifdef PNG_FREE_ME_SUPPORTED - info_ptr->free_me |= PNG_FREE_ROWS; -#endif - for (row = 0; row < (int)info_ptr->height; row++) - { - info_ptr->row_pointers[row] = (png_bytep)png_malloc(png_ptr, - png_get_rowbytes(png_ptr, info_ptr)); - } - } - - png_read_image(png_ptr, info_ptr->row_pointers); - info_ptr->valid |= PNG_INFO_IDAT; - - /* read rest of file, and get additional chunks in info_ptr - REQUIRED */ - png_read_end(png_ptr, info_ptr); - - transforms = transforms; /* quiet compiler warnings */ - params = params; - -} -#endif /* PNG_INFO_IMAGE_SUPPORTED */ -#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */ -#endif /* PNG_READ_SUPPORTED */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngrio.c b/Build/source/libs/libpng/libpng-1.2.34/pngrio.c deleted file mode 100644 index f5027e74324..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngrio.c +++ /dev/null @@ -1,166 +0,0 @@ - -/* pngrio.c - functions for data input - * - * Last changed in libpng 1.2.30 [August 15, 2008] - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - * - * This file provides a location for all input. Users who need - * special handling are expected to write a function that has the same - * arguments as this and performs a similar function, but that possibly - * has a different input method. Note that you shouldn't change this - * function, but rather write a replacement function and then make - * libpng use it at run time with png_set_read_fn(...). - */ - -#define PNG_INTERNAL -#include "png.h" -#if defined(PNG_READ_SUPPORTED) - -/* Read the data from whatever input you are using. The default routine - reads from a file pointer. Note that this routine sometimes gets called - with very small lengths, so you should implement some kind of simple - buffering if you are using unbuffered reads. This should never be asked - to read more then 64K on a 16 bit machine. */ -void /* PRIVATE */ -png_read_data(png_structp png_ptr, png_bytep data, png_size_t length) -{ - png_debug1(4, "reading %d bytes", (int)length); - if (png_ptr->read_data_fn != NULL) - (*(png_ptr->read_data_fn))(png_ptr, data, length); - else - png_error(png_ptr, "Call to NULL read function"); -} - -#if !defined(PNG_NO_STDIO) -/* This is the function that does the actual reading of data. If you are - not reading from a standard C stream, you should create a replacement - read_data function and use it at run time with png_set_read_fn(), rather - than changing the library. */ -#ifndef USE_FAR_KEYWORD -void PNGAPI -png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length) -{ - png_size_t check; - - if (png_ptr == NULL) return; - /* fread() returns 0 on error, so it is OK to store this in a png_size_t - * instead of an int, which is what fread() actually returns. - */ -#if defined(_WIN32_WCE) - if ( !ReadFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) ) - check = 0; -#else - check = (png_size_t)fread(data, (png_size_t)1, length, - (png_FILE_p)png_ptr->io_ptr); -#endif - - if (check != length) - png_error(png_ptr, "Read Error"); -} -#else -/* this is the model-independent version. Since the standard I/O library - can't handle far buffers in the medium and small models, we have to copy - the data. -*/ - -#define NEAR_BUF_SIZE 1024 -#define MIN(a,b) (a <= b ? a : b) - -static void PNGAPI -png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length) -{ - int check; - png_byte *n_data; - png_FILE_p io_ptr; - - if (png_ptr == NULL) return; - /* Check if data really is near. If so, use usual code. */ - n_data = (png_byte *)CVT_PTR_NOCHECK(data); - io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr); - if ((png_bytep)n_data == data) - { -#if defined(_WIN32_WCE) - if ( !ReadFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) ) - check = 0; -#else - check = fread(n_data, 1, length, io_ptr); -#endif - } - else - { - png_byte buf[NEAR_BUF_SIZE]; - png_size_t read, remaining, err; - check = 0; - remaining = length; - do - { - read = MIN(NEAR_BUF_SIZE, remaining); -#if defined(_WIN32_WCE) - if ( !ReadFile((HANDLE)(io_ptr), buf, read, &err, NULL) ) - err = 0; -#else - err = fread(buf, (png_size_t)1, read, io_ptr); -#endif - png_memcpy(data, buf, read); /* copy far buffer to near buffer */ - if (err != read) - break; - else - check += err; - data += read; - remaining -= read; - } - while (remaining != 0); - } - if ((png_uint_32)check != (png_uint_32)length) - png_error(png_ptr, "read Error"); -} -#endif -#endif - -/* This function allows the application to supply a new input function - for libpng if standard C streams aren't being used. - - This function takes as its arguments: - png_ptr - pointer to a png input data structure - io_ptr - pointer to user supplied structure containing info about - the input functions. May be NULL. - read_data_fn - pointer to a new input function that takes as its - arguments a pointer to a png_struct, a pointer to - a location where input data can be stored, and a 32-bit - unsigned int that is the number of bytes to be read. - To exit and output any fatal error messages the new write - function should call png_error(png_ptr, "Error msg"). */ -void PNGAPI -png_set_read_fn(png_structp png_ptr, png_voidp io_ptr, - png_rw_ptr read_data_fn) -{ - if (png_ptr == NULL) return; - png_ptr->io_ptr = io_ptr; - -#if !defined(PNG_NO_STDIO) - if (read_data_fn != NULL) - png_ptr->read_data_fn = read_data_fn; - else - png_ptr->read_data_fn = png_default_read_data; -#else - png_ptr->read_data_fn = read_data_fn; -#endif - - /* It is an error to write to a read device */ - if (png_ptr->write_data_fn != NULL) - { - png_ptr->write_data_fn = NULL; - png_warning(png_ptr, - "It's an error to set both read_data_fn and write_data_fn in the "); - png_warning(png_ptr, - "same structure. Resetting write_data_fn to NULL."); - } - -#if defined(PNG_WRITE_FLUSH_SUPPORTED) - png_ptr->output_flush_fn = NULL; -#endif -} -#endif /* PNG_READ_SUPPORTED */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngrtran.c b/Build/source/libs/libpng/libpng-1.2.34/pngrtran.c deleted file mode 100644 index 0e98db4da2f..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngrtran.c +++ /dev/null @@ -1,4296 +0,0 @@ - -/* pngrtran.c - transforms the data in a row for PNG readers - * - * Last changed in libpng 1.2.30 [August 15, 2008] - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - * - * This file contains functions optionally called by an application - * in order to tell libpng how to handle data when reading a PNG. - * Transformations that are used in both reading and writing are - * in pngtrans.c. - */ - -#define PNG_INTERNAL -#include "png.h" -#if defined(PNG_READ_SUPPORTED) - -/* Set the action on getting a CRC error for an ancillary or critical chunk. */ -void PNGAPI -png_set_crc_action(png_structp png_ptr, int crit_action, int ancil_action) -{ - png_debug(1, "in png_set_crc_action"); - /* Tell libpng how we react to CRC errors in critical chunks */ - if (png_ptr == NULL) return; - switch (crit_action) - { - case PNG_CRC_NO_CHANGE: /* leave setting as is */ - break; - case PNG_CRC_WARN_USE: /* warn/use data */ - png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK; - png_ptr->flags |= PNG_FLAG_CRC_CRITICAL_USE; - break; - case PNG_CRC_QUIET_USE: /* quiet/use data */ - png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK; - png_ptr->flags |= PNG_FLAG_CRC_CRITICAL_USE | - PNG_FLAG_CRC_CRITICAL_IGNORE; - break; - case PNG_CRC_WARN_DISCARD: /* not a valid action for critical data */ - png_warning(png_ptr, - "Can't discard critical data on CRC error."); - case PNG_CRC_ERROR_QUIT: /* error/quit */ - case PNG_CRC_DEFAULT: - default: - png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK; - break; - } - - switch (ancil_action) - { - case PNG_CRC_NO_CHANGE: /* leave setting as is */ - break; - case PNG_CRC_WARN_USE: /* warn/use data */ - png_ptr->flags &= ~PNG_FLAG_CRC_ANCILLARY_MASK; - png_ptr->flags |= PNG_FLAG_CRC_ANCILLARY_USE; - break; - case PNG_CRC_QUIET_USE: /* quiet/use data */ - png_ptr->flags &= ~PNG_FLAG_CRC_ANCILLARY_MASK; - png_ptr->flags |= PNG_FLAG_CRC_ANCILLARY_USE | - PNG_FLAG_CRC_ANCILLARY_NOWARN; - break; - case PNG_CRC_ERROR_QUIT: /* error/quit */ - png_ptr->flags &= ~PNG_FLAG_CRC_ANCILLARY_MASK; - png_ptr->flags |= PNG_FLAG_CRC_ANCILLARY_NOWARN; - break; - case PNG_CRC_WARN_DISCARD: /* warn/discard data */ - case PNG_CRC_DEFAULT: - default: - png_ptr->flags &= ~PNG_FLAG_CRC_ANCILLARY_MASK; - break; - } -} - -#if defined(PNG_READ_BACKGROUND_SUPPORTED) && \ - defined(PNG_FLOATING_POINT_SUPPORTED) -/* handle alpha and tRNS via a background color */ -void PNGAPI -png_set_background(png_structp png_ptr, - png_color_16p background_color, int background_gamma_code, - int need_expand, double background_gamma) -{ - png_debug(1, "in png_set_background"); - if (png_ptr == NULL) return; - if (background_gamma_code == PNG_BACKGROUND_GAMMA_UNKNOWN) - { - png_warning(png_ptr, "Application must supply a known background gamma"); - return; - } - - png_ptr->transformations |= PNG_BACKGROUND; - png_memcpy(&(png_ptr->background), background_color, - png_sizeof(png_color_16)); - png_ptr->background_gamma = (float)background_gamma; - png_ptr->background_gamma_type = (png_byte)(background_gamma_code); - png_ptr->transformations |= (need_expand ? PNG_BACKGROUND_EXPAND : 0); -} -#endif - -#if defined(PNG_READ_16_TO_8_SUPPORTED) -/* strip 16 bit depth files to 8 bit depth */ -void PNGAPI -png_set_strip_16(png_structp png_ptr) -{ - png_debug(1, "in png_set_strip_16"); - if (png_ptr == NULL) return; - png_ptr->transformations |= PNG_16_TO_8; -} -#endif - -#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED) -void PNGAPI -png_set_strip_alpha(png_structp png_ptr) -{ - png_debug(1, "in png_set_strip_alpha"); - if (png_ptr == NULL) return; - png_ptr->flags |= PNG_FLAG_STRIP_ALPHA; -} -#endif - -#if defined(PNG_READ_DITHER_SUPPORTED) -/* Dither file to 8 bit. Supply a palette, the current number - * of elements in the palette, the maximum number of elements - * allowed, and a histogram if possible. If the current number - * of colors is greater then the maximum number, the palette will be - * modified to fit in the maximum number. "full_dither" indicates - * whether we need a dithering cube set up for RGB images, or if we - * simply are reducing the number of colors in a paletted image. - */ - -typedef struct png_dsort_struct -{ - struct png_dsort_struct FAR * next; - png_byte left; - png_byte right; -} png_dsort; -typedef png_dsort FAR * png_dsortp; -typedef png_dsort FAR * FAR * png_dsortpp; - -void PNGAPI -png_set_dither(png_structp png_ptr, png_colorp palette, - int num_palette, int maximum_colors, png_uint_16p histogram, - int full_dither) -{ - png_debug(1, "in png_set_dither"); - if (png_ptr == NULL) return; - png_ptr->transformations |= PNG_DITHER; - - if (!full_dither) - { - int i; - - png_ptr->dither_index = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(num_palette * png_sizeof(png_byte))); - for (i = 0; i < num_palette; i++) - png_ptr->dither_index[i] = (png_byte)i; - } - - if (num_palette > maximum_colors) - { - if (histogram != NULL) - { - /* This is easy enough, just throw out the least used colors. - Perhaps not the best solution, but good enough. */ - - int i; - - /* initialize an array to sort colors */ - png_ptr->dither_sort = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(num_palette * png_sizeof(png_byte))); - - /* initialize the dither_sort array */ - for (i = 0; i < num_palette; i++) - png_ptr->dither_sort[i] = (png_byte)i; - - /* Find the least used palette entries by starting a - bubble sort, and running it until we have sorted - out enough colors. Note that we don't care about - sorting all the colors, just finding which are - least used. */ - - for (i = num_palette - 1; i >= maximum_colors; i--) - { - int done; /* to stop early if the list is pre-sorted */ - int j; - - done = 1; - for (j = 0; j < i; j++) - { - if (histogram[png_ptr->dither_sort[j]] - < histogram[png_ptr->dither_sort[j + 1]]) - { - png_byte t; - - t = png_ptr->dither_sort[j]; - png_ptr->dither_sort[j] = png_ptr->dither_sort[j + 1]; - png_ptr->dither_sort[j + 1] = t; - done = 0; - } - } - if (done) - break; - } - - /* swap the palette around, and set up a table, if necessary */ - if (full_dither) - { - int j = num_palette; - - /* put all the useful colors within the max, but don't - move the others */ - for (i = 0; i < maximum_colors; i++) - { - if ((int)png_ptr->dither_sort[i] >= maximum_colors) - { - do - j--; - while ((int)png_ptr->dither_sort[j] >= maximum_colors); - palette[i] = palette[j]; - } - } - } - else - { - int j = num_palette; - - /* move all the used colors inside the max limit, and - develop a translation table */ - for (i = 0; i < maximum_colors; i++) - { - /* only move the colors we need to */ - if ((int)png_ptr->dither_sort[i] >= maximum_colors) - { - png_color tmp_color; - - do - j--; - while ((int)png_ptr->dither_sort[j] >= maximum_colors); - - tmp_color = palette[j]; - palette[j] = palette[i]; - palette[i] = tmp_color; - /* indicate where the color went */ - png_ptr->dither_index[j] = (png_byte)i; - png_ptr->dither_index[i] = (png_byte)j; - } - } - - /* find closest color for those colors we are not using */ - for (i = 0; i < num_palette; i++) - { - if ((int)png_ptr->dither_index[i] >= maximum_colors) - { - int min_d, k, min_k, d_index; - - /* find the closest color to one we threw out */ - d_index = png_ptr->dither_index[i]; - min_d = PNG_COLOR_DIST(palette[d_index], palette[0]); - for (k = 1, min_k = 0; k < maximum_colors; k++) - { - int d; - - d = PNG_COLOR_DIST(palette[d_index], palette[k]); - - if (d < min_d) - { - min_d = d; - min_k = k; - } - } - /* point to closest color */ - png_ptr->dither_index[i] = (png_byte)min_k; - } - } - } - png_free(png_ptr, png_ptr->dither_sort); - png_ptr->dither_sort = NULL; - } - else - { - /* This is much harder to do simply (and quickly). Perhaps - we need to go through a median cut routine, but those - don't always behave themselves with only a few colors - as input. So we will just find the closest two colors, - and throw out one of them (chosen somewhat randomly). - [We don't understand this at all, so if someone wants to - work on improving it, be our guest - AED, GRP] - */ - int i; - int max_d; - int num_new_palette; - png_dsortp t; - png_dsortpp hash; - - t = NULL; - - /* initialize palette index arrays */ - png_ptr->index_to_palette = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(num_palette * png_sizeof(png_byte))); - png_ptr->palette_to_index = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(num_palette * png_sizeof(png_byte))); - - /* initialize the sort array */ - for (i = 0; i < num_palette; i++) - { - png_ptr->index_to_palette[i] = (png_byte)i; - png_ptr->palette_to_index[i] = (png_byte)i; - } - - hash = (png_dsortpp)png_malloc(png_ptr, (png_uint_32)(769 * - png_sizeof(png_dsortp))); - for (i = 0; i < 769; i++) - hash[i] = NULL; -/* png_memset(hash, 0, 769 * png_sizeof(png_dsortp)); */ - - num_new_palette = num_palette; - - /* initial wild guess at how far apart the farthest pixel - pair we will be eliminating will be. Larger - numbers mean more areas will be allocated, Smaller - numbers run the risk of not saving enough data, and - having to do this all over again. - - I have not done extensive checking on this number. - */ - max_d = 96; - - while (num_new_palette > maximum_colors) - { - for (i = 0; i < num_new_palette - 1; i++) - { - int j; - - for (j = i + 1; j < num_new_palette; j++) - { - int d; - - d = PNG_COLOR_DIST(palette[i], palette[j]); - - if (d <= max_d) - { - - t = (png_dsortp)png_malloc_warn(png_ptr, - (png_uint_32)(png_sizeof(png_dsort))); - if (t == NULL) - break; - t->next = hash[d]; - t->left = (png_byte)i; - t->right = (png_byte)j; - hash[d] = t; - } - } - if (t == NULL) - break; - } - - if (t != NULL) - for (i = 0; i <= max_d; i++) - { - if (hash[i] != NULL) - { - png_dsortp p; - - for (p = hash[i]; p; p = p->next) - { - if ((int)png_ptr->index_to_palette[p->left] - < num_new_palette && - (int)png_ptr->index_to_palette[p->right] - < num_new_palette) - { - int j, next_j; - - if (num_new_palette & 0x01) - { - j = p->left; - next_j = p->right; - } - else - { - j = p->right; - next_j = p->left; - } - - num_new_palette--; - palette[png_ptr->index_to_palette[j]] - = palette[num_new_palette]; - if (!full_dither) - { - int k; - - for (k = 0; k < num_palette; k++) - { - if (png_ptr->dither_index[k] == - png_ptr->index_to_palette[j]) - png_ptr->dither_index[k] = - png_ptr->index_to_palette[next_j]; - if ((int)png_ptr->dither_index[k] == - num_new_palette) - png_ptr->dither_index[k] = - png_ptr->index_to_palette[j]; - } - } - - png_ptr->index_to_palette[png_ptr->palette_to_index - [num_new_palette]] = png_ptr->index_to_palette[j]; - png_ptr->palette_to_index[png_ptr->index_to_palette[j]] - = png_ptr->palette_to_index[num_new_palette]; - - png_ptr->index_to_palette[j] = (png_byte)num_new_palette; - png_ptr->palette_to_index[num_new_palette] = (png_byte)j; - } - if (num_new_palette <= maximum_colors) - break; - } - if (num_new_palette <= maximum_colors) - break; - } - } - - for (i = 0; i < 769; i++) - { - if (hash[i] != NULL) - { - png_dsortp p = hash[i]; - while (p) - { - t = p->next; - png_free(png_ptr, p); - p = t; - } - } - hash[i] = 0; - } - max_d += 96; - } - png_free(png_ptr, hash); - png_free(png_ptr, png_ptr->palette_to_index); - png_free(png_ptr, png_ptr->index_to_palette); - png_ptr->palette_to_index = NULL; - png_ptr->index_to_palette = NULL; - } - num_palette = maximum_colors; - } - if (png_ptr->palette == NULL) - { - png_ptr->palette = palette; - } - png_ptr->num_palette = (png_uint_16)num_palette; - - if (full_dither) - { - int i; - png_bytep distance; - int total_bits = PNG_DITHER_RED_BITS + PNG_DITHER_GREEN_BITS + - PNG_DITHER_BLUE_BITS; - int num_red = (1 << PNG_DITHER_RED_BITS); - int num_green = (1 << PNG_DITHER_GREEN_BITS); - int num_blue = (1 << PNG_DITHER_BLUE_BITS); - png_size_t num_entries = ((png_size_t)1 << total_bits); - - png_ptr->palette_lookup = (png_bytep )png_malloc(png_ptr, - (png_uint_32)(num_entries * png_sizeof(png_byte))); - - png_memset(png_ptr->palette_lookup, 0, num_entries * - png_sizeof(png_byte)); - - distance = (png_bytep)png_malloc(png_ptr, (png_uint_32)(num_entries * - png_sizeof(png_byte))); - - png_memset(distance, 0xff, num_entries * png_sizeof(png_byte)); - - for (i = 0; i < num_palette; i++) - { - int ir, ig, ib; - int r = (palette[i].red >> (8 - PNG_DITHER_RED_BITS)); - int g = (palette[i].green >> (8 - PNG_DITHER_GREEN_BITS)); - int b = (palette[i].blue >> (8 - PNG_DITHER_BLUE_BITS)); - - for (ir = 0; ir < num_red; ir++) - { - /* int dr = abs(ir - r); */ - int dr = ((ir > r) ? ir - r : r - ir); - int index_r = (ir << (PNG_DITHER_BLUE_BITS + PNG_DITHER_GREEN_BITS)); - - for (ig = 0; ig < num_green; ig++) - { - /* int dg = abs(ig - g); */ - int dg = ((ig > g) ? ig - g : g - ig); - int dt = dr + dg; - int dm = ((dr > dg) ? dr : dg); - int index_g = index_r | (ig << PNG_DITHER_BLUE_BITS); - - for (ib = 0; ib < num_blue; ib++) - { - int d_index = index_g | ib; - /* int db = abs(ib - b); */ - int db = ((ib > b) ? ib - b : b - ib); - int dmax = ((dm > db) ? dm : db); - int d = dmax + dt + db; - - if (d < (int)distance[d_index]) - { - distance[d_index] = (png_byte)d; - png_ptr->palette_lookup[d_index] = (png_byte)i; - } - } - } - } - } - - png_free(png_ptr, distance); - } -} -#endif - -#if defined(PNG_READ_GAMMA_SUPPORTED) && defined(PNG_FLOATING_POINT_SUPPORTED) -/* Transform the image from the file_gamma to the screen_gamma. We - * only do transformations on images where the file_gamma and screen_gamma - * are not close reciprocals, otherwise it slows things down slightly, and - * also needlessly introduces small errors. - * - * We will turn off gamma transformation later if no semitransparent entries - * are present in the tRNS array for palette images. We can't do it here - * because we don't necessarily have the tRNS chunk yet. - */ -void PNGAPI -png_set_gamma(png_structp png_ptr, double scrn_gamma, double file_gamma) -{ - png_debug(1, "in png_set_gamma"); - if (png_ptr == NULL) return; - if ((fabs(scrn_gamma * file_gamma - 1.0) > PNG_GAMMA_THRESHOLD) || - (png_ptr->color_type & PNG_COLOR_MASK_ALPHA) || - (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)) - png_ptr->transformations |= PNG_GAMMA; - png_ptr->gamma = (float)file_gamma; - png_ptr->screen_gamma = (float)scrn_gamma; -} -#endif - -#if defined(PNG_READ_EXPAND_SUPPORTED) -/* Expand paletted images to RGB, expand grayscale images of - * less than 8-bit depth to 8-bit depth, and expand tRNS chunks - * to alpha channels. - */ -void PNGAPI -png_set_expand(png_structp png_ptr) -{ - png_debug(1, "in png_set_expand"); - if (png_ptr == NULL) return; - png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS); - png_ptr->flags &= ~PNG_FLAG_ROW_INIT; -} - -/* GRR 19990627: the following three functions currently are identical - * to png_set_expand(). However, it is entirely reasonable that someone - * might wish to expand an indexed image to RGB but *not* expand a single, - * fully transparent palette entry to a full alpha channel--perhaps instead - * convert tRNS to the grayscale/RGB format (16-bit RGB value), or replace - * the transparent color with a particular RGB value, or drop tRNS entirely. - * IOW, a future version of the library may make the transformations flag - * a bit more fine-grained, with separate bits for each of these three - * functions. - * - * More to the point, these functions make it obvious what libpng will be - * doing, whereas "expand" can (and does) mean any number of things. - * - * GRP 20060307: In libpng-1.4.0, png_set_gray_1_2_4_to_8() was modified - * to expand only the sample depth but not to expand the tRNS to alpha. - */ - -/* Expand paletted images to RGB. */ -void PNGAPI -png_set_palette_to_rgb(png_structp png_ptr) -{ - png_debug(1, "in png_set_palette_to_rgb"); - if (png_ptr == NULL) return; - png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS); - png_ptr->flags &= ~PNG_FLAG_ROW_INIT; -} - -#if !defined(PNG_1_0_X) -/* Expand grayscale images of less than 8-bit depth to 8 bits. */ -void PNGAPI -png_set_expand_gray_1_2_4_to_8(png_structp png_ptr) -{ - png_debug(1, "in png_set_expand_gray_1_2_4_to_8"); - if (png_ptr == NULL) return; - png_ptr->transformations |= PNG_EXPAND; - png_ptr->flags &= ~PNG_FLAG_ROW_INIT; -} -#endif - -#if defined(PNG_1_0_X) || defined(PNG_1_2_X) -/* Expand grayscale images of less than 8-bit depth to 8 bits. */ -/* Deprecated as of libpng-1.2.9 */ -void PNGAPI -png_set_gray_1_2_4_to_8(png_structp png_ptr) -{ - png_debug(1, "in png_set_gray_1_2_4_to_8"); - if (png_ptr == NULL) return; - png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS); -} -#endif - - -/* Expand tRNS chunks to alpha channels. */ -void PNGAPI -png_set_tRNS_to_alpha(png_structp png_ptr) -{ - png_debug(1, "in png_set_tRNS_to_alpha"); - png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS); - png_ptr->flags &= ~PNG_FLAG_ROW_INIT; -} -#endif /* defined(PNG_READ_EXPAND_SUPPORTED) */ - -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) -void PNGAPI -png_set_gray_to_rgb(png_structp png_ptr) -{ - png_debug(1, "in png_set_gray_to_rgb"); - png_ptr->transformations |= PNG_GRAY_TO_RGB; - png_ptr->flags &= ~PNG_FLAG_ROW_INIT; -} -#endif - -#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) -#if defined(PNG_FLOATING_POINT_SUPPORTED) -/* Convert a RGB image to a grayscale of the same width. This allows us, - * for example, to convert a 24 bpp RGB image into an 8 bpp grayscale image. - */ - -void PNGAPI -png_set_rgb_to_gray(png_structp png_ptr, int error_action, double red, - double green) -{ - int red_fixed = (int)((float)red*100000.0 + 0.5); - int green_fixed = (int)((float)green*100000.0 + 0.5); - if (png_ptr == NULL) return; - png_set_rgb_to_gray_fixed(png_ptr, error_action, red_fixed, green_fixed); -} -#endif - -void PNGAPI -png_set_rgb_to_gray_fixed(png_structp png_ptr, int error_action, - png_fixed_point red, png_fixed_point green) -{ - png_debug(1, "in png_set_rgb_to_gray"); - if (png_ptr == NULL) return; - switch(error_action) - { - case 1: png_ptr->transformations |= PNG_RGB_TO_GRAY; - break; - case 2: png_ptr->transformations |= PNG_RGB_TO_GRAY_WARN; - break; - case 3: png_ptr->transformations |= PNG_RGB_TO_GRAY_ERR; - } - if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) -#if defined(PNG_READ_EXPAND_SUPPORTED) - png_ptr->transformations |= PNG_EXPAND; -#else - { - png_warning(png_ptr, - "Cannot do RGB_TO_GRAY without EXPAND_SUPPORTED."); - png_ptr->transformations &= ~PNG_RGB_TO_GRAY; - } -#endif - { - png_uint_16 red_int, green_int; - if (red < 0 || green < 0) - { - red_int = 6968; /* .212671 * 32768 + .5 */ - green_int = 23434; /* .715160 * 32768 + .5 */ - } - else if (red + green < 100000L) - { - red_int = (png_uint_16)(((png_uint_32)red*32768L)/100000L); - green_int = (png_uint_16)(((png_uint_32)green*32768L)/100000L); - } - else - { - png_warning(png_ptr, "ignoring out of range rgb_to_gray coefficients"); - red_int = 6968; - green_int = 23434; - } - png_ptr->rgb_to_gray_red_coeff = red_int; - png_ptr->rgb_to_gray_green_coeff = green_int; - png_ptr->rgb_to_gray_blue_coeff = - (png_uint_16)(32768 - red_int - green_int); - } -} -#endif - -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_LEGACY_SUPPORTED) -void PNGAPI -png_set_read_user_transform_fn(png_structp png_ptr, png_user_transform_ptr - read_user_transform_fn) -{ - png_debug(1, "in png_set_read_user_transform_fn"); - if (png_ptr == NULL) return; -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) - png_ptr->transformations |= PNG_USER_TRANSFORM; - png_ptr->read_user_transform_fn = read_user_transform_fn; -#endif -#ifdef PNG_LEGACY_SUPPORTED - if (read_user_transform_fn) - png_warning(png_ptr, - "This version of libpng does not support user transforms"); -#endif -} -#endif - -/* Initialize everything needed for the read. This includes modifying - * the palette. - */ -void /* PRIVATE */ -png_init_read_transformations(png_structp png_ptr) -{ - png_debug(1, "in png_init_read_transformations"); -#if defined(PNG_USELESS_TESTS_SUPPORTED) - if (png_ptr != NULL) -#endif - { -#if defined(PNG_READ_BACKGROUND_SUPPORTED) || defined(PNG_READ_SHIFT_SUPPORTED) \ - || defined(PNG_READ_GAMMA_SUPPORTED) - int color_type = png_ptr->color_type; -#endif - -#if defined(PNG_READ_EXPAND_SUPPORTED) && defined(PNG_READ_BACKGROUND_SUPPORTED) - -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) - /* Detect gray background and attempt to enable optimization - * for gray --> RGB case */ - /* Note: if PNG_BACKGROUND_EXPAND is set and color_type is either RGB or - * RGB_ALPHA (in which case need_expand is superfluous anyway), the - * background color might actually be gray yet not be flagged as such. - * This is not a problem for the current code, which uses - * PNG_BACKGROUND_IS_GRAY only to decide when to do the - * png_do_gray_to_rgb() transformation. - */ - if ((png_ptr->transformations & PNG_BACKGROUND_EXPAND) && - !(color_type & PNG_COLOR_MASK_COLOR)) - { - png_ptr->mode |= PNG_BACKGROUND_IS_GRAY; - } else if ((png_ptr->transformations & PNG_BACKGROUND) && - !(png_ptr->transformations & PNG_BACKGROUND_EXPAND) && - (png_ptr->transformations & PNG_GRAY_TO_RGB) && - png_ptr->background.red == png_ptr->background.green && - png_ptr->background.red == png_ptr->background.blue) - { - png_ptr->mode |= PNG_BACKGROUND_IS_GRAY; - png_ptr->background.gray = png_ptr->background.red; - } -#endif - - if ((png_ptr->transformations & PNG_BACKGROUND_EXPAND) && - (png_ptr->transformations & PNG_EXPAND)) - { - if (!(color_type & PNG_COLOR_MASK_COLOR)) /* i.e., GRAY or GRAY_ALPHA */ - { - /* expand background and tRNS chunks */ - switch (png_ptr->bit_depth) - { - case 1: - png_ptr->background.gray *= (png_uint_16)0xff; - png_ptr->background.red = png_ptr->background.green - = png_ptr->background.blue = png_ptr->background.gray; - if (!(png_ptr->transformations & PNG_EXPAND_tRNS)) - { - png_ptr->trans_values.gray *= (png_uint_16)0xff; - png_ptr->trans_values.red = png_ptr->trans_values.green - = png_ptr->trans_values.blue = png_ptr->trans_values.gray; - } - break; - case 2: - png_ptr->background.gray *= (png_uint_16)0x55; - png_ptr->background.red = png_ptr->background.green - = png_ptr->background.blue = png_ptr->background.gray; - if (!(png_ptr->transformations & PNG_EXPAND_tRNS)) - { - png_ptr->trans_values.gray *= (png_uint_16)0x55; - png_ptr->trans_values.red = png_ptr->trans_values.green - = png_ptr->trans_values.blue = png_ptr->trans_values.gray; - } - break; - case 4: - png_ptr->background.gray *= (png_uint_16)0x11; - png_ptr->background.red = png_ptr->background.green - = png_ptr->background.blue = png_ptr->background.gray; - if (!(png_ptr->transformations & PNG_EXPAND_tRNS)) - { - png_ptr->trans_values.gray *= (png_uint_16)0x11; - png_ptr->trans_values.red = png_ptr->trans_values.green - = png_ptr->trans_values.blue = png_ptr->trans_values.gray; - } - break; - case 8: - case 16: - png_ptr->background.red = png_ptr->background.green - = png_ptr->background.blue = png_ptr->background.gray; - break; - } - } - else if (color_type == PNG_COLOR_TYPE_PALETTE) - { - png_ptr->background.red = - png_ptr->palette[png_ptr->background.index].red; - png_ptr->background.green = - png_ptr->palette[png_ptr->background.index].green; - png_ptr->background.blue = - png_ptr->palette[png_ptr->background.index].blue; - -#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) - if (png_ptr->transformations & PNG_INVERT_ALPHA) - { -#if defined(PNG_READ_EXPAND_SUPPORTED) - if (!(png_ptr->transformations & PNG_EXPAND_tRNS)) -#endif - { - /* invert the alpha channel (in tRNS) unless the pixels are - going to be expanded, in which case leave it for later */ - int i, istop; - istop=(int)png_ptr->num_trans; - for (i=0; itrans[i] = (png_byte)(255 - png_ptr->trans[i]); - } - } -#endif - - } - } -#endif - -#if defined(PNG_READ_BACKGROUND_SUPPORTED) && defined(PNG_READ_GAMMA_SUPPORTED) - png_ptr->background_1 = png_ptr->background; -#endif -#if defined(PNG_READ_GAMMA_SUPPORTED) && defined(PNG_FLOATING_POINT_SUPPORTED) - - if ((color_type == PNG_COLOR_TYPE_PALETTE && png_ptr->num_trans != 0) - && (fabs(png_ptr->screen_gamma * png_ptr->gamma - 1.0) - < PNG_GAMMA_THRESHOLD)) - { - int i, k; - k=0; - for (i=0; inum_trans; i++) - { - if (png_ptr->trans[i] != 0 && png_ptr->trans[i] != 0xff) - k=1; /* partial transparency is present */ - } - if (k == 0) - png_ptr->transformations &= ~PNG_GAMMA; - } - - if ((png_ptr->transformations & (PNG_GAMMA | PNG_RGB_TO_GRAY)) && - png_ptr->gamma != 0.0) - { - png_build_gamma_table(png_ptr); -#if defined(PNG_READ_BACKGROUND_SUPPORTED) - if (png_ptr->transformations & PNG_BACKGROUND) - { - if (color_type == PNG_COLOR_TYPE_PALETTE) - { - /* could skip if no transparency and - */ - png_color back, back_1; - png_colorp palette = png_ptr->palette; - int num_palette = png_ptr->num_palette; - int i; - if (png_ptr->background_gamma_type == PNG_BACKGROUND_GAMMA_FILE) - { - back.red = png_ptr->gamma_table[png_ptr->background.red]; - back.green = png_ptr->gamma_table[png_ptr->background.green]; - back.blue = png_ptr->gamma_table[png_ptr->background.blue]; - - back_1.red = png_ptr->gamma_to_1[png_ptr->background.red]; - back_1.green = png_ptr->gamma_to_1[png_ptr->background.green]; - back_1.blue = png_ptr->gamma_to_1[png_ptr->background.blue]; - } - else - { - double g, gs; - - switch (png_ptr->background_gamma_type) - { - case PNG_BACKGROUND_GAMMA_SCREEN: - g = (png_ptr->screen_gamma); - gs = 1.0; - break; - case PNG_BACKGROUND_GAMMA_FILE: - g = 1.0 / (png_ptr->gamma); - gs = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); - break; - case PNG_BACKGROUND_GAMMA_UNIQUE: - g = 1.0 / (png_ptr->background_gamma); - gs = 1.0 / (png_ptr->background_gamma * - png_ptr->screen_gamma); - break; - default: - g = 1.0; /* back_1 */ - gs = 1.0; /* back */ - } - - if ( fabs(gs - 1.0) < PNG_GAMMA_THRESHOLD) - { - back.red = (png_byte)png_ptr->background.red; - back.green = (png_byte)png_ptr->background.green; - back.blue = (png_byte)png_ptr->background.blue; - } - else - { - back.red = (png_byte)(pow( - (double)png_ptr->background.red/255, gs) * 255.0 + .5); - back.green = (png_byte)(pow( - (double)png_ptr->background.green/255, gs) * 255.0 + .5); - back.blue = (png_byte)(pow( - (double)png_ptr->background.blue/255, gs) * 255.0 + .5); - } - - back_1.red = (png_byte)(pow( - (double)png_ptr->background.red/255, g) * 255.0 + .5); - back_1.green = (png_byte)(pow( - (double)png_ptr->background.green/255, g) * 255.0 + .5); - back_1.blue = (png_byte)(pow( - (double)png_ptr->background.blue/255, g) * 255.0 + .5); - } - for (i = 0; i < num_palette; i++) - { - if (i < (int)png_ptr->num_trans && png_ptr->trans[i] != 0xff) - { - if (png_ptr->trans[i] == 0) - { - palette[i] = back; - } - else /* if (png_ptr->trans[i] != 0xff) */ - { - png_byte v, w; - - v = png_ptr->gamma_to_1[palette[i].red]; - png_composite(w, v, png_ptr->trans[i], back_1.red); - palette[i].red = png_ptr->gamma_from_1[w]; - - v = png_ptr->gamma_to_1[palette[i].green]; - png_composite(w, v, png_ptr->trans[i], back_1.green); - palette[i].green = png_ptr->gamma_from_1[w]; - - v = png_ptr->gamma_to_1[palette[i].blue]; - png_composite(w, v, png_ptr->trans[i], back_1.blue); - palette[i].blue = png_ptr->gamma_from_1[w]; - } - } - else - { - palette[i].red = png_ptr->gamma_table[palette[i].red]; - palette[i].green = png_ptr->gamma_table[palette[i].green]; - palette[i].blue = png_ptr->gamma_table[palette[i].blue]; - } - } - /* Prevent the transformations being done again, and make sure - * that the now spurious alpha channel is stripped - the code - * has just reduced background composition and gamma correction - * to a simple alpha channel strip. - */ - png_ptr->transformations &= ~PNG_BACKGROUND; - png_ptr->transformations &= ~PNG_GAMMA; - png_ptr->transformations |= PNG_STRIP_ALPHA; - } - /* if (png_ptr->background_gamma_type!=PNG_BACKGROUND_GAMMA_UNKNOWN) */ - else - /* color_type != PNG_COLOR_TYPE_PALETTE */ - { - double m = (double)(((png_uint_32)1 << png_ptr->bit_depth) - 1); - double g = 1.0; - double gs = 1.0; - - switch (png_ptr->background_gamma_type) - { - case PNG_BACKGROUND_GAMMA_SCREEN: - g = (png_ptr->screen_gamma); - gs = 1.0; - break; - case PNG_BACKGROUND_GAMMA_FILE: - g = 1.0 / (png_ptr->gamma); - gs = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); - break; - case PNG_BACKGROUND_GAMMA_UNIQUE: - g = 1.0 / (png_ptr->background_gamma); - gs = 1.0 / (png_ptr->background_gamma * - png_ptr->screen_gamma); - break; - } - - png_ptr->background_1.gray = (png_uint_16)(pow( - (double)png_ptr->background.gray / m, g) * m + .5); - png_ptr->background.gray = (png_uint_16)(pow( - (double)png_ptr->background.gray / m, gs) * m + .5); - - if ((png_ptr->background.red != png_ptr->background.green) || - (png_ptr->background.red != png_ptr->background.blue) || - (png_ptr->background.red != png_ptr->background.gray)) - { - /* RGB or RGBA with color background */ - png_ptr->background_1.red = (png_uint_16)(pow( - (double)png_ptr->background.red / m, g) * m + .5); - png_ptr->background_1.green = (png_uint_16)(pow( - (double)png_ptr->background.green / m, g) * m + .5); - png_ptr->background_1.blue = (png_uint_16)(pow( - (double)png_ptr->background.blue / m, g) * m + .5); - png_ptr->background.red = (png_uint_16)(pow( - (double)png_ptr->background.red / m, gs) * m + .5); - png_ptr->background.green = (png_uint_16)(pow( - (double)png_ptr->background.green / m, gs) * m + .5); - png_ptr->background.blue = (png_uint_16)(pow( - (double)png_ptr->background.blue / m, gs) * m + .5); - } - else - { - /* GRAY, GRAY ALPHA, RGB, or RGBA with gray background */ - png_ptr->background_1.red = png_ptr->background_1.green - = png_ptr->background_1.blue = png_ptr->background_1.gray; - png_ptr->background.red = png_ptr->background.green - = png_ptr->background.blue = png_ptr->background.gray; - } - } - } - else - /* transformation does not include PNG_BACKGROUND */ -#endif /* PNG_READ_BACKGROUND_SUPPORTED */ - if (color_type == PNG_COLOR_TYPE_PALETTE) - { - png_colorp palette = png_ptr->palette; - int num_palette = png_ptr->num_palette; - int i; - - for (i = 0; i < num_palette; i++) - { - palette[i].red = png_ptr->gamma_table[palette[i].red]; - palette[i].green = png_ptr->gamma_table[palette[i].green]; - palette[i].blue = png_ptr->gamma_table[palette[i].blue]; - } - - /* Done the gamma correction. */ - png_ptr->transformations &= ~PNG_GAMMA; - } - } -#if defined(PNG_READ_BACKGROUND_SUPPORTED) - else -#endif -#endif /* PNG_READ_GAMMA_SUPPORTED && PNG_FLOATING_POINT_SUPPORTED */ -#if defined(PNG_READ_BACKGROUND_SUPPORTED) - /* No GAMMA transformation */ - if ((png_ptr->transformations & PNG_BACKGROUND) && - (color_type == PNG_COLOR_TYPE_PALETTE)) - { - int i; - int istop = (int)png_ptr->num_trans; - png_color back; - png_colorp palette = png_ptr->palette; - - back.red = (png_byte)png_ptr->background.red; - back.green = (png_byte)png_ptr->background.green; - back.blue = (png_byte)png_ptr->background.blue; - - for (i = 0; i < istop; i++) - { - if (png_ptr->trans[i] == 0) - { - palette[i] = back; - } - else if (png_ptr->trans[i] != 0xff) - { - /* The png_composite() macro is defined in png.h */ - png_composite(palette[i].red, palette[i].red, - png_ptr->trans[i], back.red); - png_composite(palette[i].green, palette[i].green, - png_ptr->trans[i], back.green); - png_composite(palette[i].blue, palette[i].blue, - png_ptr->trans[i], back.blue); - } - } - - /* Handled alpha, still need to strip the channel. */ - png_ptr->transformations &= ~PNG_BACKGROUND; - png_ptr->transformations |= PNG_STRIP_ALPHA; - } -#endif /* PNG_READ_BACKGROUND_SUPPORTED */ - -#if defined(PNG_READ_SHIFT_SUPPORTED) - if ((png_ptr->transformations & PNG_SHIFT) && - (color_type == PNG_COLOR_TYPE_PALETTE)) - { - png_uint_16 i; - png_uint_16 istop = png_ptr->num_palette; - int sr = 8 - png_ptr->sig_bit.red; - int sg = 8 - png_ptr->sig_bit.green; - int sb = 8 - png_ptr->sig_bit.blue; - - if (sr < 0 || sr > 8) - sr = 0; - if (sg < 0 || sg > 8) - sg = 0; - if (sb < 0 || sb > 8) - sb = 0; - for (i = 0; i < istop; i++) - { - png_ptr->palette[i].red >>= sr; - png_ptr->palette[i].green >>= sg; - png_ptr->palette[i].blue >>= sb; - } - } -#endif /* PNG_READ_SHIFT_SUPPORTED */ - } -#if !defined(PNG_READ_GAMMA_SUPPORTED) && !defined(PNG_READ_SHIFT_SUPPORTED) \ - && !defined(PNG_READ_BACKGROUND_SUPPORTED) - if (png_ptr) - return; -#endif -} - -/* Modify the info structure to reflect the transformations. The - * info should be updated so a PNG file could be written with it, - * assuming the transformations result in valid PNG data. - */ -void /* PRIVATE */ -png_read_transform_info(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_read_transform_info"); -#if defined(PNG_READ_EXPAND_SUPPORTED) - if (png_ptr->transformations & PNG_EXPAND) - { - if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - { - if (png_ptr->num_trans && - (png_ptr->transformations & PNG_EXPAND_tRNS)) - info_ptr->color_type = PNG_COLOR_TYPE_RGB_ALPHA; - else - info_ptr->color_type = PNG_COLOR_TYPE_RGB; - info_ptr->bit_depth = 8; - info_ptr->num_trans = 0; - } - else - { - if (png_ptr->num_trans) - { - if (png_ptr->transformations & PNG_EXPAND_tRNS) - info_ptr->color_type |= PNG_COLOR_MASK_ALPHA; -#if 0 /* Removed from libpng-1.2.27 */ - else - info_ptr->color_type |= PNG_COLOR_MASK_COLOR; -#endif - } - if (info_ptr->bit_depth < 8) - info_ptr->bit_depth = 8; - info_ptr->num_trans = 0; - } - } -#endif - -#if defined(PNG_READ_BACKGROUND_SUPPORTED) - if (png_ptr->transformations & PNG_BACKGROUND) - { - info_ptr->color_type &= ~PNG_COLOR_MASK_ALPHA; - info_ptr->num_trans = 0; - info_ptr->background = png_ptr->background; - } -#endif - -#if defined(PNG_READ_GAMMA_SUPPORTED) - if (png_ptr->transformations & PNG_GAMMA) - { -#ifdef PNG_FLOATING_POINT_SUPPORTED - info_ptr->gamma = png_ptr->gamma; -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED - info_ptr->int_gamma = png_ptr->int_gamma; -#endif - } -#endif - -#if defined(PNG_READ_16_TO_8_SUPPORTED) - if ((png_ptr->transformations & PNG_16_TO_8) && (info_ptr->bit_depth == 16)) - info_ptr->bit_depth = 8; -#endif - -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) - if (png_ptr->transformations & PNG_GRAY_TO_RGB) - info_ptr->color_type |= PNG_COLOR_MASK_COLOR; -#endif - -#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) - if (png_ptr->transformations & PNG_RGB_TO_GRAY) - info_ptr->color_type &= ~PNG_COLOR_MASK_COLOR; -#endif - -#if defined(PNG_READ_DITHER_SUPPORTED) - if (png_ptr->transformations & PNG_DITHER) - { - if (((info_ptr->color_type == PNG_COLOR_TYPE_RGB) || - (info_ptr->color_type == PNG_COLOR_TYPE_RGB_ALPHA)) && - png_ptr->palette_lookup && info_ptr->bit_depth == 8) - { - info_ptr->color_type = PNG_COLOR_TYPE_PALETTE; - } - } -#endif - -#if defined(PNG_READ_PACK_SUPPORTED) - if ((png_ptr->transformations & PNG_PACK) && (info_ptr->bit_depth < 8)) - info_ptr->bit_depth = 8; -#endif - - if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - info_ptr->channels = 1; - else if (info_ptr->color_type & PNG_COLOR_MASK_COLOR) - info_ptr->channels = 3; - else - info_ptr->channels = 1; - -#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED) - if (png_ptr->flags & PNG_FLAG_STRIP_ALPHA) - info_ptr->color_type &= ~PNG_COLOR_MASK_ALPHA; -#endif - - if (info_ptr->color_type & PNG_COLOR_MASK_ALPHA) - info_ptr->channels++; - -#if defined(PNG_READ_FILLER_SUPPORTED) - /* STRIP_ALPHA and FILLER allowed: MASK_ALPHA bit stripped above */ - if ((png_ptr->transformations & PNG_FILLER) && - ((info_ptr->color_type == PNG_COLOR_TYPE_RGB) || - (info_ptr->color_type == PNG_COLOR_TYPE_GRAY))) - { - info_ptr->channels++; - /* if adding a true alpha channel not just filler */ -#if !defined(PNG_1_0_X) - if (png_ptr->transformations & PNG_ADD_ALPHA) - info_ptr->color_type |= PNG_COLOR_MASK_ALPHA; -#endif - } -#endif - -#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) && \ -defined(PNG_READ_USER_TRANSFORM_SUPPORTED) - if (png_ptr->transformations & PNG_USER_TRANSFORM) - { - if (info_ptr->bit_depth < png_ptr->user_transform_depth) - info_ptr->bit_depth = png_ptr->user_transform_depth; - if (info_ptr->channels < png_ptr->user_transform_channels) - info_ptr->channels = png_ptr->user_transform_channels; - } -#endif - - info_ptr->pixel_depth = (png_byte)(info_ptr->channels * - info_ptr->bit_depth); - - info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, info_ptr->width); - -#if !defined(PNG_READ_EXPAND_SUPPORTED) - if (png_ptr) - return; -#endif -} - -/* Transform the row. The order of transformations is significant, - * and is very touchy. If you add a transformation, take care to - * decide how it fits in with the other transformations here. - */ -void /* PRIVATE */ -png_do_read_transformations(png_structp png_ptr) -{ - png_debug(1, "in png_do_read_transformations"); - if (png_ptr->row_buf == NULL) - { -#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE) - char msg[50]; - - png_snprintf2(msg, 50, - "NULL row buffer for row %ld, pass %d", (long)png_ptr->row_number, - png_ptr->pass); - png_error(png_ptr, msg); -#else - png_error(png_ptr, "NULL row buffer"); -#endif - } -#ifdef PNG_WARN_UNINITIALIZED_ROW - if (!(png_ptr->flags & PNG_FLAG_ROW_INIT)) - /* Application has failed to call either png_read_start_image() - * or png_read_update_info() after setting transforms that expand - * pixels. This check added to libpng-1.2.19 */ -#if (PNG_WARN_UNINITIALIZED_ROW==1) - png_error(png_ptr, "Uninitialized row"); -#else - png_warning(png_ptr, "Uninitialized row"); -#endif -#endif - -#if defined(PNG_READ_EXPAND_SUPPORTED) - if (png_ptr->transformations & PNG_EXPAND) - { - if (png_ptr->row_info.color_type == PNG_COLOR_TYPE_PALETTE) - { - png_do_expand_palette(&(png_ptr->row_info), png_ptr->row_buf + 1, - png_ptr->palette, png_ptr->trans, png_ptr->num_trans); - } - else - { - if (png_ptr->num_trans && - (png_ptr->transformations & PNG_EXPAND_tRNS)) - png_do_expand(&(png_ptr->row_info), png_ptr->row_buf + 1, - &(png_ptr->trans_values)); - else - png_do_expand(&(png_ptr->row_info), png_ptr->row_buf + 1, - NULL); - } - } -#endif - -#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED) - if (png_ptr->flags & PNG_FLAG_STRIP_ALPHA) - png_do_strip_filler(&(png_ptr->row_info), png_ptr->row_buf + 1, - PNG_FLAG_FILLER_AFTER | (png_ptr->flags & PNG_FLAG_STRIP_ALPHA)); -#endif - -#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) - if (png_ptr->transformations & PNG_RGB_TO_GRAY) - { - int rgb_error = - png_do_rgb_to_gray(png_ptr, &(png_ptr->row_info), png_ptr->row_buf + 1); - if (rgb_error) - { - png_ptr->rgb_to_gray_status=1; - if ((png_ptr->transformations & PNG_RGB_TO_GRAY) == - PNG_RGB_TO_GRAY_WARN) - png_warning(png_ptr, "png_do_rgb_to_gray found nongray pixel"); - if ((png_ptr->transformations & PNG_RGB_TO_GRAY) == - PNG_RGB_TO_GRAY_ERR) - png_error(png_ptr, "png_do_rgb_to_gray found nongray pixel"); - } - } -#endif - -/* -From Andreas Dilger e-mail to png-implement, 26 March 1998: - - In most cases, the "simple transparency" should be done prior to doing - gray-to-RGB, or you will have to test 3x as many bytes to check if a - pixel is transparent. You would also need to make sure that the - transparency information is upgraded to RGB. - - To summarize, the current flow is: - - Gray + simple transparency -> compare 1 or 2 gray bytes and composite - with background "in place" if transparent, - convert to RGB if necessary - - Gray + alpha -> composite with gray background and remove alpha bytes, - convert to RGB if necessary - - To support RGB backgrounds for gray images we need: - - Gray + simple transparency -> convert to RGB + simple transparency, compare - 3 or 6 bytes and composite with background - "in place" if transparent (3x compare/pixel - compared to doing composite with gray bkgrnd) - - Gray + alpha -> convert to RGB + alpha, composite with background and - remove alpha bytes (3x float operations/pixel - compared with composite on gray background) - - Greg's change will do this. The reason it wasn't done before is for - performance, as this increases the per-pixel operations. If we would check - in advance if the background was gray or RGB, and position the gray-to-RGB - transform appropriately, then it would save a lot of work/time. - */ - -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) - /* if gray -> RGB, do so now only if background is non-gray; else do later - * for performance reasons */ - if ((png_ptr->transformations & PNG_GRAY_TO_RGB) && - !(png_ptr->mode & PNG_BACKGROUND_IS_GRAY)) - png_do_gray_to_rgb(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif - -#if defined(PNG_READ_BACKGROUND_SUPPORTED) - if ((png_ptr->transformations & PNG_BACKGROUND) && - ((png_ptr->num_trans != 0 ) || - (png_ptr->color_type & PNG_COLOR_MASK_ALPHA))) - png_do_background(&(png_ptr->row_info), png_ptr->row_buf + 1, - &(png_ptr->trans_values), &(png_ptr->background) -#if defined(PNG_READ_GAMMA_SUPPORTED) - , &(png_ptr->background_1), - png_ptr->gamma_table, png_ptr->gamma_from_1, - png_ptr->gamma_to_1, png_ptr->gamma_16_table, - png_ptr->gamma_16_from_1, png_ptr->gamma_16_to_1, - png_ptr->gamma_shift -#endif -); -#endif - -#if defined(PNG_READ_GAMMA_SUPPORTED) - if ((png_ptr->transformations & PNG_GAMMA) && -#if defined(PNG_READ_BACKGROUND_SUPPORTED) - !((png_ptr->transformations & PNG_BACKGROUND) && - ((png_ptr->num_trans != 0) || - (png_ptr->color_type & PNG_COLOR_MASK_ALPHA))) && -#endif - (png_ptr->color_type != PNG_COLOR_TYPE_PALETTE)) - png_do_gamma(&(png_ptr->row_info), png_ptr->row_buf + 1, - png_ptr->gamma_table, png_ptr->gamma_16_table, - png_ptr->gamma_shift); -#endif - -#if defined(PNG_READ_16_TO_8_SUPPORTED) - if (png_ptr->transformations & PNG_16_TO_8) - png_do_chop(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif - -#if defined(PNG_READ_DITHER_SUPPORTED) - if (png_ptr->transformations & PNG_DITHER) - { - png_do_dither((png_row_infop)&(png_ptr->row_info), png_ptr->row_buf + 1, - png_ptr->palette_lookup, png_ptr->dither_index); - if (png_ptr->row_info.rowbytes == (png_uint_32)0) - png_error(png_ptr, "png_do_dither returned rowbytes=0"); - } -#endif - -#if defined(PNG_READ_INVERT_SUPPORTED) - if (png_ptr->transformations & PNG_INVERT_MONO) - png_do_invert(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif - -#if defined(PNG_READ_SHIFT_SUPPORTED) - if (png_ptr->transformations & PNG_SHIFT) - png_do_unshift(&(png_ptr->row_info), png_ptr->row_buf + 1, - &(png_ptr->shift)); -#endif - -#if defined(PNG_READ_PACK_SUPPORTED) - if (png_ptr->transformations & PNG_PACK) - png_do_unpack(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif - -#if defined(PNG_READ_BGR_SUPPORTED) - if (png_ptr->transformations & PNG_BGR) - png_do_bgr(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif - -#if defined(PNG_READ_PACKSWAP_SUPPORTED) - if (png_ptr->transformations & PNG_PACKSWAP) - png_do_packswap(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif - -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) - /* if gray -> RGB, do so now only if we did not do so above */ - if ((png_ptr->transformations & PNG_GRAY_TO_RGB) && - (png_ptr->mode & PNG_BACKGROUND_IS_GRAY)) - png_do_gray_to_rgb(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif - -#if defined(PNG_READ_FILLER_SUPPORTED) - if (png_ptr->transformations & PNG_FILLER) - png_do_read_filler(&(png_ptr->row_info), png_ptr->row_buf + 1, - (png_uint_32)png_ptr->filler, png_ptr->flags); -#endif - -#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) - if (png_ptr->transformations & PNG_INVERT_ALPHA) - png_do_read_invert_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif - -#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) - if (png_ptr->transformations & PNG_SWAP_ALPHA) - png_do_read_swap_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif - -#if defined(PNG_READ_SWAP_SUPPORTED) - if (png_ptr->transformations & PNG_SWAP_BYTES) - png_do_swap(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif - -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) - if (png_ptr->transformations & PNG_USER_TRANSFORM) - { - if (png_ptr->read_user_transform_fn != NULL) - (*(png_ptr->read_user_transform_fn)) /* user read transform function */ - (png_ptr, /* png_ptr */ - &(png_ptr->row_info), /* row_info: */ - /* png_uint_32 width; width of row */ - /* png_uint_32 rowbytes; number of bytes in row */ - /* png_byte color_type; color type of pixels */ - /* png_byte bit_depth; bit depth of samples */ - /* png_byte channels; number of channels (1-4) */ - /* png_byte pixel_depth; bits per pixel (depth*channels) */ - png_ptr->row_buf + 1); /* start of pixel data for row */ -#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) - if (png_ptr->user_transform_depth) - png_ptr->row_info.bit_depth = png_ptr->user_transform_depth; - if (png_ptr->user_transform_channels) - png_ptr->row_info.channels = png_ptr->user_transform_channels; -#endif - png_ptr->row_info.pixel_depth = (png_byte)(png_ptr->row_info.bit_depth * - png_ptr->row_info.channels); - png_ptr->row_info.rowbytes = PNG_ROWBYTES(png_ptr->row_info.pixel_depth, - png_ptr->row_info.width); - } -#endif - -} - -#if defined(PNG_READ_PACK_SUPPORTED) -/* Unpack pixels of 1, 2, or 4 bits per pixel into 1 byte per pixel, - * without changing the actual values. Thus, if you had a row with - * a bit depth of 1, you would end up with bytes that only contained - * the numbers 0 or 1. If you would rather they contain 0 and 255, use - * png_do_shift() after this. - */ -void /* PRIVATE */ -png_do_unpack(png_row_infop row_info, png_bytep row) -{ - png_debug(1, "in png_do_unpack"); -#if defined(PNG_USELESS_TESTS_SUPPORTED) - if (row != NULL && row_info != NULL && row_info->bit_depth < 8) -#else - if (row_info->bit_depth < 8) -#endif - { - png_uint_32 i; - png_uint_32 row_width=row_info->width; - - switch (row_info->bit_depth) - { - case 1: - { - png_bytep sp = row + (png_size_t)((row_width - 1) >> 3); - png_bytep dp = row + (png_size_t)row_width - 1; - png_uint_32 shift = 7 - (int)((row_width + 7) & 0x07); - for (i = 0; i < row_width; i++) - { - *dp = (png_byte)((*sp >> shift) & 0x01); - if (shift == 7) - { - shift = 0; - sp--; - } - else - shift++; - - dp--; - } - break; - } - case 2: - { - - png_bytep sp = row + (png_size_t)((row_width - 1) >> 2); - png_bytep dp = row + (png_size_t)row_width - 1; - png_uint_32 shift = (int)((3 - ((row_width + 3) & 0x03)) << 1); - for (i = 0; i < row_width; i++) - { - *dp = (png_byte)((*sp >> shift) & 0x03); - if (shift == 6) - { - shift = 0; - sp--; - } - else - shift += 2; - - dp--; - } - break; - } - case 4: - { - png_bytep sp = row + (png_size_t)((row_width - 1) >> 1); - png_bytep dp = row + (png_size_t)row_width - 1; - png_uint_32 shift = (int)((1 - ((row_width + 1) & 0x01)) << 2); - for (i = 0; i < row_width; i++) - { - *dp = (png_byte)((*sp >> shift) & 0x0f); - if (shift == 4) - { - shift = 0; - sp--; - } - else - shift = 4; - - dp--; - } - break; - } - } - row_info->bit_depth = 8; - row_info->pixel_depth = (png_byte)(8 * row_info->channels); - row_info->rowbytes = row_width * row_info->channels; - } -} -#endif - -#if defined(PNG_READ_SHIFT_SUPPORTED) -/* Reverse the effects of png_do_shift. This routine merely shifts the - * pixels back to their significant bits values. Thus, if you have - * a row of bit depth 8, but only 5 are significant, this will shift - * the values back to 0 through 31. - */ -void /* PRIVATE */ -png_do_unshift(png_row_infop row_info, png_bytep row, png_color_8p sig_bits) -{ - png_debug(1, "in png_do_unshift"); - if ( -#if defined(PNG_USELESS_TESTS_SUPPORTED) - row != NULL && row_info != NULL && sig_bits != NULL && -#endif - row_info->color_type != PNG_COLOR_TYPE_PALETTE) - { - int shift[4]; - int channels = 0; - int c; - png_uint_16 value = 0; - png_uint_32 row_width = row_info->width; - - if (row_info->color_type & PNG_COLOR_MASK_COLOR) - { - shift[channels++] = row_info->bit_depth - sig_bits->red; - shift[channels++] = row_info->bit_depth - sig_bits->green; - shift[channels++] = row_info->bit_depth - sig_bits->blue; - } - else - { - shift[channels++] = row_info->bit_depth - sig_bits->gray; - } - if (row_info->color_type & PNG_COLOR_MASK_ALPHA) - { - shift[channels++] = row_info->bit_depth - sig_bits->alpha; - } - - for (c = 0; c < channels; c++) - { - if (shift[c] <= 0) - shift[c] = 0; - else - value = 1; - } - - if (!value) - return; - - switch (row_info->bit_depth) - { - case 2: - { - png_bytep bp; - png_uint_32 i; - png_uint_32 istop = row_info->rowbytes; - - for (bp = row, i = 0; i < istop; i++) - { - *bp >>= 1; - *bp++ &= 0x55; - } - break; - } - case 4: - { - png_bytep bp = row; - png_uint_32 i; - png_uint_32 istop = row_info->rowbytes; - png_byte mask = (png_byte)((((int)0xf0 >> shift[0]) & (int)0xf0) | - (png_byte)((int)0xf >> shift[0])); - - for (i = 0; i < istop; i++) - { - *bp >>= shift[0]; - *bp++ &= mask; - } - break; - } - case 8: - { - png_bytep bp = row; - png_uint_32 i; - png_uint_32 istop = row_width * channels; - - for (i = 0; i < istop; i++) - { - *bp++ >>= shift[i%channels]; - } - break; - } - case 16: - { - png_bytep bp = row; - png_uint_32 i; - png_uint_32 istop = channels * row_width; - - for (i = 0; i < istop; i++) - { - value = (png_uint_16)((*bp << 8) + *(bp + 1)); - value >>= shift[i%channels]; - *bp++ = (png_byte)(value >> 8); - *bp++ = (png_byte)(value & 0xff); - } - break; - } - } - } -} -#endif - -#if defined(PNG_READ_16_TO_8_SUPPORTED) -/* chop rows of bit depth 16 down to 8 */ -void /* PRIVATE */ -png_do_chop(png_row_infop row_info, png_bytep row) -{ - png_debug(1, "in png_do_chop"); -#if defined(PNG_USELESS_TESTS_SUPPORTED) - if (row != NULL && row_info != NULL && row_info->bit_depth == 16) -#else - if (row_info->bit_depth == 16) -#endif - { - png_bytep sp = row; - png_bytep dp = row; - png_uint_32 i; - png_uint_32 istop = row_info->width * row_info->channels; - - for (i = 0; i> 8)) >> 8; - * - * Approximate calculation with shift/add instead of multiply/divide: - * *dp = ((((png_uint_32)(*sp) << 8) | - * (png_uint_32)((int)(*(sp + 1)) - *sp)) + 128) >> 8; - * - * What we actually do to avoid extra shifting and conversion: - */ - - *dp = *sp + ((((int)(*(sp + 1)) - *sp) > 128) ? 1 : 0); -#else - /* Simply discard the low order byte */ - *dp = *sp; -#endif - } - row_info->bit_depth = 8; - row_info->pixel_depth = (png_byte)(8 * row_info->channels); - row_info->rowbytes = row_info->width * row_info->channels; - } -} -#endif - -#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) -void /* PRIVATE */ -png_do_read_swap_alpha(png_row_infop row_info, png_bytep row) -{ - png_debug(1, "in png_do_read_swap_alpha"); -#if defined(PNG_USELESS_TESTS_SUPPORTED) - if (row != NULL && row_info != NULL) -#endif - { - png_uint_32 row_width = row_info->width; - if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) - { - /* This converts from RGBA to ARGB */ - if (row_info->bit_depth == 8) - { - png_bytep sp = row + row_info->rowbytes; - png_bytep dp = sp; - png_byte save; - png_uint_32 i; - - for (i = 0; i < row_width; i++) - { - save = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = save; - } - } - /* This converts from RRGGBBAA to AARRGGBB */ - else - { - png_bytep sp = row + row_info->rowbytes; - png_bytep dp = sp; - png_byte save[2]; - png_uint_32 i; - - for (i = 0; i < row_width; i++) - { - save[0] = *(--sp); - save[1] = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = save[0]; - *(--dp) = save[1]; - } - } - } - else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - { - /* This converts from GA to AG */ - if (row_info->bit_depth == 8) - { - png_bytep sp = row + row_info->rowbytes; - png_bytep dp = sp; - png_byte save; - png_uint_32 i; - - for (i = 0; i < row_width; i++) - { - save = *(--sp); - *(--dp) = *(--sp); - *(--dp) = save; - } - } - /* This converts from GGAA to AAGG */ - else - { - png_bytep sp = row + row_info->rowbytes; - png_bytep dp = sp; - png_byte save[2]; - png_uint_32 i; - - for (i = 0; i < row_width; i++) - { - save[0] = *(--sp); - save[1] = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = save[0]; - *(--dp) = save[1]; - } - } - } - } -} -#endif - -#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) -void /* PRIVATE */ -png_do_read_invert_alpha(png_row_infop row_info, png_bytep row) -{ - png_debug(1, "in png_do_read_invert_alpha"); -#if defined(PNG_USELESS_TESTS_SUPPORTED) - if (row != NULL && row_info != NULL) -#endif - { - png_uint_32 row_width = row_info->width; - if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) - { - /* This inverts the alpha channel in RGBA */ - if (row_info->bit_depth == 8) - { - png_bytep sp = row + row_info->rowbytes; - png_bytep dp = sp; - png_uint_32 i; - - for (i = 0; i < row_width; i++) - { - *(--dp) = (png_byte)(255 - *(--sp)); - -/* This does nothing: - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - We can replace it with: -*/ - sp-=3; - dp=sp; - } - } - /* This inverts the alpha channel in RRGGBBAA */ - else - { - png_bytep sp = row + row_info->rowbytes; - png_bytep dp = sp; - png_uint_32 i; - - for (i = 0; i < row_width; i++) - { - *(--dp) = (png_byte)(255 - *(--sp)); - *(--dp) = (png_byte)(255 - *(--sp)); - -/* This does nothing: - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - We can replace it with: -*/ - sp-=6; - dp=sp; - } - } - } - else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - { - /* This inverts the alpha channel in GA */ - if (row_info->bit_depth == 8) - { - png_bytep sp = row + row_info->rowbytes; - png_bytep dp = sp; - png_uint_32 i; - - for (i = 0; i < row_width; i++) - { - *(--dp) = (png_byte)(255 - *(--sp)); - *(--dp) = *(--sp); - } - } - /* This inverts the alpha channel in GGAA */ - else - { - png_bytep sp = row + row_info->rowbytes; - png_bytep dp = sp; - png_uint_32 i; - - for (i = 0; i < row_width; i++) - { - *(--dp) = (png_byte)(255 - *(--sp)); - *(--dp) = (png_byte)(255 - *(--sp)); -/* - *(--dp) = *(--sp); - *(--dp) = *(--sp); -*/ - sp-=2; - dp=sp; - } - } - } - } -} -#endif - -#if defined(PNG_READ_FILLER_SUPPORTED) -/* Add filler channel if we have RGB color */ -void /* PRIVATE */ -png_do_read_filler(png_row_infop row_info, png_bytep row, - png_uint_32 filler, png_uint_32 flags) -{ - png_uint_32 i; - png_uint_32 row_width = row_info->width; - - png_byte hi_filler = (png_byte)((filler>>8) & 0xff); - png_byte lo_filler = (png_byte)(filler & 0xff); - - png_debug(1, "in png_do_read_filler"); - if ( -#if defined(PNG_USELESS_TESTS_SUPPORTED) - row != NULL && row_info != NULL && -#endif - row_info->color_type == PNG_COLOR_TYPE_GRAY) - { - if (row_info->bit_depth == 8) - { - /* This changes the data from G to GX */ - if (flags & PNG_FLAG_FILLER_AFTER) - { - png_bytep sp = row + (png_size_t)row_width; - png_bytep dp = sp + (png_size_t)row_width; - for (i = 1; i < row_width; i++) - { - *(--dp) = lo_filler; - *(--dp) = *(--sp); - } - *(--dp) = lo_filler; - row_info->channels = 2; - row_info->pixel_depth = 16; - row_info->rowbytes = row_width * 2; - } - /* This changes the data from G to XG */ - else - { - png_bytep sp = row + (png_size_t)row_width; - png_bytep dp = sp + (png_size_t)row_width; - for (i = 0; i < row_width; i++) - { - *(--dp) = *(--sp); - *(--dp) = lo_filler; - } - row_info->channels = 2; - row_info->pixel_depth = 16; - row_info->rowbytes = row_width * 2; - } - } - else if (row_info->bit_depth == 16) - { - /* This changes the data from GG to GGXX */ - if (flags & PNG_FLAG_FILLER_AFTER) - { - png_bytep sp = row + (png_size_t)row_width * 2; - png_bytep dp = sp + (png_size_t)row_width * 2; - for (i = 1; i < row_width; i++) - { - *(--dp) = hi_filler; - *(--dp) = lo_filler; - *(--dp) = *(--sp); - *(--dp) = *(--sp); - } - *(--dp) = hi_filler; - *(--dp) = lo_filler; - row_info->channels = 2; - row_info->pixel_depth = 32; - row_info->rowbytes = row_width * 4; - } - /* This changes the data from GG to XXGG */ - else - { - png_bytep sp = row + (png_size_t)row_width * 2; - png_bytep dp = sp + (png_size_t)row_width * 2; - for (i = 0; i < row_width; i++) - { - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = hi_filler; - *(--dp) = lo_filler; - } - row_info->channels = 2; - row_info->pixel_depth = 32; - row_info->rowbytes = row_width * 4; - } - } - } /* COLOR_TYPE == GRAY */ - else if (row_info->color_type == PNG_COLOR_TYPE_RGB) - { - if (row_info->bit_depth == 8) - { - /* This changes the data from RGB to RGBX */ - if (flags & PNG_FLAG_FILLER_AFTER) - { - png_bytep sp = row + (png_size_t)row_width * 3; - png_bytep dp = sp + (png_size_t)row_width; - for (i = 1; i < row_width; i++) - { - *(--dp) = lo_filler; - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - } - *(--dp) = lo_filler; - row_info->channels = 4; - row_info->pixel_depth = 32; - row_info->rowbytes = row_width * 4; - } - /* This changes the data from RGB to XRGB */ - else - { - png_bytep sp = row + (png_size_t)row_width * 3; - png_bytep dp = sp + (png_size_t)row_width; - for (i = 0; i < row_width; i++) - { - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = lo_filler; - } - row_info->channels = 4; - row_info->pixel_depth = 32; - row_info->rowbytes = row_width * 4; - } - } - else if (row_info->bit_depth == 16) - { - /* This changes the data from RRGGBB to RRGGBBXX */ - if (flags & PNG_FLAG_FILLER_AFTER) - { - png_bytep sp = row + (png_size_t)row_width * 6; - png_bytep dp = sp + (png_size_t)row_width * 2; - for (i = 1; i < row_width; i++) - { - *(--dp) = hi_filler; - *(--dp) = lo_filler; - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - } - *(--dp) = hi_filler; - *(--dp) = lo_filler; - row_info->channels = 4; - row_info->pixel_depth = 64; - row_info->rowbytes = row_width * 8; - } - /* This changes the data from RRGGBB to XXRRGGBB */ - else - { - png_bytep sp = row + (png_size_t)row_width * 6; - png_bytep dp = sp + (png_size_t)row_width * 2; - for (i = 0; i < row_width; i++) - { - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = hi_filler; - *(--dp) = lo_filler; - } - row_info->channels = 4; - row_info->pixel_depth = 64; - row_info->rowbytes = row_width * 8; - } - } - } /* COLOR_TYPE == RGB */ -} -#endif - -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) -/* expand grayscale files to RGB, with or without alpha */ -void /* PRIVATE */ -png_do_gray_to_rgb(png_row_infop row_info, png_bytep row) -{ - png_uint_32 i; - png_uint_32 row_width = row_info->width; - - png_debug(1, "in png_do_gray_to_rgb"); - if (row_info->bit_depth >= 8 && -#if defined(PNG_USELESS_TESTS_SUPPORTED) - row != NULL && row_info != NULL && -#endif - !(row_info->color_type & PNG_COLOR_MASK_COLOR)) - { - if (row_info->color_type == PNG_COLOR_TYPE_GRAY) - { - if (row_info->bit_depth == 8) - { - png_bytep sp = row + (png_size_t)row_width - 1; - png_bytep dp = sp + (png_size_t)row_width * 2; - for (i = 0; i < row_width; i++) - { - *(dp--) = *sp; - *(dp--) = *sp; - *(dp--) = *(sp--); - } - } - else - { - png_bytep sp = row + (png_size_t)row_width * 2 - 1; - png_bytep dp = sp + (png_size_t)row_width * 4; - for (i = 0; i < row_width; i++) - { - *(dp--) = *sp; - *(dp--) = *(sp - 1); - *(dp--) = *sp; - *(dp--) = *(sp - 1); - *(dp--) = *(sp--); - *(dp--) = *(sp--); - } - } - } - else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - { - if (row_info->bit_depth == 8) - { - png_bytep sp = row + (png_size_t)row_width * 2 - 1; - png_bytep dp = sp + (png_size_t)row_width * 2; - for (i = 0; i < row_width; i++) - { - *(dp--) = *(sp--); - *(dp--) = *sp; - *(dp--) = *sp; - *(dp--) = *(sp--); - } - } - else - { - png_bytep sp = row + (png_size_t)row_width * 4 - 1; - png_bytep dp = sp + (png_size_t)row_width * 4; - for (i = 0; i < row_width; i++) - { - *(dp--) = *(sp--); - *(dp--) = *(sp--); - *(dp--) = *sp; - *(dp--) = *(sp - 1); - *(dp--) = *sp; - *(dp--) = *(sp - 1); - *(dp--) = *(sp--); - *(dp--) = *(sp--); - } - } - } - row_info->channels += (png_byte)2; - row_info->color_type |= PNG_COLOR_MASK_COLOR; - row_info->pixel_depth = (png_byte)(row_info->channels * - row_info->bit_depth); - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width); - } -} -#endif - -#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) -/* reduce RGB files to grayscale, with or without alpha - * using the equation given in Poynton's ColorFAQ at - * (THIS LINK IS DEAD June 2008) - * New link: - * - * Charles Poynton poynton at poynton.com - * - * Y = 0.212671 * R + 0.715160 * G + 0.072169 * B - * - * We approximate this with - * - * Y = 0.21268 * R + 0.7151 * G + 0.07217 * B - * - * which can be expressed with integers as - * - * Y = (6969 * R + 23434 * G + 2365 * B)/32768 - * - * The calculation is to be done in a linear colorspace. - * - * Other integer coefficents can be used via png_set_rgb_to_gray(). - */ -int /* PRIVATE */ -png_do_rgb_to_gray(png_structp png_ptr, png_row_infop row_info, png_bytep row) - -{ - png_uint_32 i; - - png_uint_32 row_width = row_info->width; - int rgb_error = 0; - - png_debug(1, "in png_do_rgb_to_gray"); - if ( -#if defined(PNG_USELESS_TESTS_SUPPORTED) - row != NULL && row_info != NULL && -#endif - (row_info->color_type & PNG_COLOR_MASK_COLOR)) - { - png_uint_32 rc = png_ptr->rgb_to_gray_red_coeff; - png_uint_32 gc = png_ptr->rgb_to_gray_green_coeff; - png_uint_32 bc = png_ptr->rgb_to_gray_blue_coeff; - - if (row_info->color_type == PNG_COLOR_TYPE_RGB) - { - if (row_info->bit_depth == 8) - { -#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) - if (png_ptr->gamma_from_1 != NULL && png_ptr->gamma_to_1 != NULL) - { - png_bytep sp = row; - png_bytep dp = row; - - for (i = 0; i < row_width; i++) - { - png_byte red = png_ptr->gamma_to_1[*(sp++)]; - png_byte green = png_ptr->gamma_to_1[*(sp++)]; - png_byte blue = png_ptr->gamma_to_1[*(sp++)]; - if (red != green || red != blue) - { - rgb_error |= 1; - *(dp++) = png_ptr->gamma_from_1[ - (rc*red + gc*green + bc*blue)>>15]; - } - else - *(dp++) = *(sp - 1); - } - } - else -#endif - { - png_bytep sp = row; - png_bytep dp = row; - for (i = 0; i < row_width; i++) - { - png_byte red = *(sp++); - png_byte green = *(sp++); - png_byte blue = *(sp++); - if (red != green || red != blue) - { - rgb_error |= 1; - *(dp++) = (png_byte)((rc*red + gc*green + bc*blue)>>15); - } - else - *(dp++) = *(sp - 1); - } - } - } - - else /* RGB bit_depth == 16 */ - { -#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) - if (png_ptr->gamma_16_to_1 != NULL && - png_ptr->gamma_16_from_1 != NULL) - { - png_bytep sp = row; - png_bytep dp = row; - for (i = 0; i < row_width; i++) - { - png_uint_16 red, green, blue, w; - - red = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2; - green = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2; - blue = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2; - - if (red == green && red == blue) - w = red; - else - { - png_uint_16 red_1 = png_ptr->gamma_16_to_1[(red&0xff) >> - png_ptr->gamma_shift][red>>8]; - png_uint_16 green_1 = png_ptr->gamma_16_to_1[(green&0xff) >> - png_ptr->gamma_shift][green>>8]; - png_uint_16 blue_1 = png_ptr->gamma_16_to_1[(blue&0xff) >> - png_ptr->gamma_shift][blue>>8]; - png_uint_16 gray16 = (png_uint_16)((rc*red_1 + gc*green_1 - + bc*blue_1)>>15); - w = png_ptr->gamma_16_from_1[(gray16&0xff) >> - png_ptr->gamma_shift][gray16 >> 8]; - rgb_error |= 1; - } - - *(dp++) = (png_byte)((w>>8) & 0xff); - *(dp++) = (png_byte)(w & 0xff); - } - } - else -#endif - { - png_bytep sp = row; - png_bytep dp = row; - for (i = 0; i < row_width; i++) - { - png_uint_16 red, green, blue, gray16; - - red = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2; - green = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2; - blue = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2; - - if (red != green || red != blue) - rgb_error |= 1; - gray16 = (png_uint_16)((rc*red + gc*green + bc*blue)>>15); - *(dp++) = (png_byte)((gray16>>8) & 0xff); - *(dp++) = (png_byte)(gray16 & 0xff); - } - } - } - } - if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) - { - if (row_info->bit_depth == 8) - { -#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) - if (png_ptr->gamma_from_1 != NULL && png_ptr->gamma_to_1 != NULL) - { - png_bytep sp = row; - png_bytep dp = row; - for (i = 0; i < row_width; i++) - { - png_byte red = png_ptr->gamma_to_1[*(sp++)]; - png_byte green = png_ptr->gamma_to_1[*(sp++)]; - png_byte blue = png_ptr->gamma_to_1[*(sp++)]; - if (red != green || red != blue) - rgb_error |= 1; - *(dp++) = png_ptr->gamma_from_1 - [(rc*red + gc*green + bc*blue)>>15]; - *(dp++) = *(sp++); /* alpha */ - } - } - else -#endif - { - png_bytep sp = row; - png_bytep dp = row; - for (i = 0; i < row_width; i++) - { - png_byte red = *(sp++); - png_byte green = *(sp++); - png_byte blue = *(sp++); - if (red != green || red != blue) - rgb_error |= 1; - *(dp++) = (png_byte)((rc*red + gc*green + bc*blue)>>15); - *(dp++) = *(sp++); /* alpha */ - } - } - } - else /* RGBA bit_depth == 16 */ - { -#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) - if (png_ptr->gamma_16_to_1 != NULL && - png_ptr->gamma_16_from_1 != NULL) - { - png_bytep sp = row; - png_bytep dp = row; - for (i = 0; i < row_width; i++) - { - png_uint_16 red, green, blue, w; - - red = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2; - green = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2; - blue = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2; - - if (red == green && red == blue) - w = red; - else - { - png_uint_16 red_1 = png_ptr->gamma_16_to_1[(red&0xff) >> - png_ptr->gamma_shift][red>>8]; - png_uint_16 green_1 = png_ptr->gamma_16_to_1[(green&0xff) >> - png_ptr->gamma_shift][green>>8]; - png_uint_16 blue_1 = png_ptr->gamma_16_to_1[(blue&0xff) >> - png_ptr->gamma_shift][blue>>8]; - png_uint_16 gray16 = (png_uint_16)((rc * red_1 - + gc * green_1 + bc * blue_1)>>15); - w = png_ptr->gamma_16_from_1[(gray16&0xff) >> - png_ptr->gamma_shift][gray16 >> 8]; - rgb_error |= 1; - } - - *(dp++) = (png_byte)((w>>8) & 0xff); - *(dp++) = (png_byte)(w & 0xff); - *(dp++) = *(sp++); /* alpha */ - *(dp++) = *(sp++); - } - } - else -#endif - { - png_bytep sp = row; - png_bytep dp = row; - for (i = 0; i < row_width; i++) - { - png_uint_16 red, green, blue, gray16; - red = (png_uint_16)((*(sp)<<8) | *(sp+1)); sp+=2; - green = (png_uint_16)((*(sp)<<8) | *(sp+1)); sp+=2; - blue = (png_uint_16)((*(sp)<<8) | *(sp+1)); sp+=2; - if (red != green || red != blue) - rgb_error |= 1; - gray16 = (png_uint_16)((rc*red + gc*green + bc*blue)>>15); - *(dp++) = (png_byte)((gray16>>8) & 0xff); - *(dp++) = (png_byte)(gray16 & 0xff); - *(dp++) = *(sp++); /* alpha */ - *(dp++) = *(sp++); - } - } - } - } - row_info->channels -= (png_byte)2; - row_info->color_type &= ~PNG_COLOR_MASK_COLOR; - row_info->pixel_depth = (png_byte)(row_info->channels * - row_info->bit_depth); - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width); - } - return rgb_error; -} -#endif - -/* Build a grayscale palette. Palette is assumed to be 1 << bit_depth - * large of png_color. This lets grayscale images be treated as - * paletted. Most useful for gamma correction and simplification - * of code. - */ -void PNGAPI -png_build_grayscale_palette(int bit_depth, png_colorp palette) -{ - int num_palette; - int color_inc; - int i; - int v; - - png_debug(1, "in png_do_build_grayscale_palette"); - if (palette == NULL) - return; - - switch (bit_depth) - { - case 1: - num_palette = 2; - color_inc = 0xff; - break; - case 2: - num_palette = 4; - color_inc = 0x55; - break; - case 4: - num_palette = 16; - color_inc = 0x11; - break; - case 8: - num_palette = 256; - color_inc = 1; - break; - default: - num_palette = 0; - color_inc = 0; - break; - } - - for (i = 0, v = 0; i < num_palette; i++, v += color_inc) - { - palette[i].red = (png_byte)v; - palette[i].green = (png_byte)v; - palette[i].blue = (png_byte)v; - } -} - -/* This function is currently unused. Do we really need it? */ -#if defined(PNG_READ_DITHER_SUPPORTED) && defined(PNG_CORRECT_PALETTE_SUPPORTED) -void /* PRIVATE */ -png_correct_palette(png_structp png_ptr, png_colorp palette, - int num_palette) -{ - png_debug(1, "in png_correct_palette"); -#if defined(PNG_READ_BACKGROUND_SUPPORTED) && \ - defined(PNG_READ_GAMMA_SUPPORTED) && defined(PNG_FLOATING_POINT_SUPPORTED) - if (png_ptr->transformations & (PNG_GAMMA | PNG_BACKGROUND)) - { - png_color back, back_1; - - if (png_ptr->background_gamma_type == PNG_BACKGROUND_GAMMA_FILE) - { - back.red = png_ptr->gamma_table[png_ptr->background.red]; - back.green = png_ptr->gamma_table[png_ptr->background.green]; - back.blue = png_ptr->gamma_table[png_ptr->background.blue]; - - back_1.red = png_ptr->gamma_to_1[png_ptr->background.red]; - back_1.green = png_ptr->gamma_to_1[png_ptr->background.green]; - back_1.blue = png_ptr->gamma_to_1[png_ptr->background.blue]; - } - else - { - double g; - - g = 1.0 / (png_ptr->background_gamma * png_ptr->screen_gamma); - - if (png_ptr->background_gamma_type == PNG_BACKGROUND_GAMMA_SCREEN || - fabs(g - 1.0) < PNG_GAMMA_THRESHOLD) - { - back.red = png_ptr->background.red; - back.green = png_ptr->background.green; - back.blue = png_ptr->background.blue; - } - else - { - back.red = - (png_byte)(pow((double)png_ptr->background.red/255, g) * - 255.0 + 0.5); - back.green = - (png_byte)(pow((double)png_ptr->background.green/255, g) * - 255.0 + 0.5); - back.blue = - (png_byte)(pow((double)png_ptr->background.blue/255, g) * - 255.0 + 0.5); - } - - g = 1.0 / png_ptr->background_gamma; - - back_1.red = - (png_byte)(pow((double)png_ptr->background.red/255, g) * - 255.0 + 0.5); - back_1.green = - (png_byte)(pow((double)png_ptr->background.green/255, g) * - 255.0 + 0.5); - back_1.blue = - (png_byte)(pow((double)png_ptr->background.blue/255, g) * - 255.0 + 0.5); - } - - if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - { - png_uint_32 i; - - for (i = 0; i < (png_uint_32)num_palette; i++) - { - if (i < png_ptr->num_trans && png_ptr->trans[i] == 0) - { - palette[i] = back; - } - else if (i < png_ptr->num_trans && png_ptr->trans[i] != 0xff) - { - png_byte v, w; - - v = png_ptr->gamma_to_1[png_ptr->palette[i].red]; - png_composite(w, v, png_ptr->trans[i], back_1.red); - palette[i].red = png_ptr->gamma_from_1[w]; - - v = png_ptr->gamma_to_1[png_ptr->palette[i].green]; - png_composite(w, v, png_ptr->trans[i], back_1.green); - palette[i].green = png_ptr->gamma_from_1[w]; - - v = png_ptr->gamma_to_1[png_ptr->palette[i].blue]; - png_composite(w, v, png_ptr->trans[i], back_1.blue); - palette[i].blue = png_ptr->gamma_from_1[w]; - } - else - { - palette[i].red = png_ptr->gamma_table[palette[i].red]; - palette[i].green = png_ptr->gamma_table[palette[i].green]; - palette[i].blue = png_ptr->gamma_table[palette[i].blue]; - } - } - } - else - { - int i; - - for (i = 0; i < num_palette; i++) - { - if (palette[i].red == (png_byte)png_ptr->trans_values.gray) - { - palette[i] = back; - } - else - { - palette[i].red = png_ptr->gamma_table[palette[i].red]; - palette[i].green = png_ptr->gamma_table[palette[i].green]; - palette[i].blue = png_ptr->gamma_table[palette[i].blue]; - } - } - } - } - else -#endif -#if defined(PNG_READ_GAMMA_SUPPORTED) - if (png_ptr->transformations & PNG_GAMMA) - { - int i; - - for (i = 0; i < num_palette; i++) - { - palette[i].red = png_ptr->gamma_table[palette[i].red]; - palette[i].green = png_ptr->gamma_table[palette[i].green]; - palette[i].blue = png_ptr->gamma_table[palette[i].blue]; - } - } -#if defined(PNG_READ_BACKGROUND_SUPPORTED) - else -#endif -#endif -#if defined(PNG_READ_BACKGROUND_SUPPORTED) - if (png_ptr->transformations & PNG_BACKGROUND) - { - if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - { - png_color back; - - back.red = (png_byte)png_ptr->background.red; - back.green = (png_byte)png_ptr->background.green; - back.blue = (png_byte)png_ptr->background.blue; - - for (i = 0; i < (int)png_ptr->num_trans; i++) - { - if (png_ptr->trans[i] == 0) - { - palette[i].red = back.red; - palette[i].green = back.green; - palette[i].blue = back.blue; - } - else if (png_ptr->trans[i] != 0xff) - { - png_composite(palette[i].red, png_ptr->palette[i].red, - png_ptr->trans[i], back.red); - png_composite(palette[i].green, png_ptr->palette[i].green, - png_ptr->trans[i], back.green); - png_composite(palette[i].blue, png_ptr->palette[i].blue, - png_ptr->trans[i], back.blue); - } - } - } - else /* assume grayscale palette (what else could it be?) */ - { - int i; - - for (i = 0; i < num_palette; i++) - { - if (i == (png_byte)png_ptr->trans_values.gray) - { - palette[i].red = (png_byte)png_ptr->background.red; - palette[i].green = (png_byte)png_ptr->background.green; - palette[i].blue = (png_byte)png_ptr->background.blue; - } - } - } - } -#endif -} -#endif - -#if defined(PNG_READ_BACKGROUND_SUPPORTED) -/* Replace any alpha or transparency with the supplied background color. - * "background" is already in the screen gamma, while "background_1" is - * at a gamma of 1.0. Paletted files have already been taken care of. - */ -void /* PRIVATE */ -png_do_background(png_row_infop row_info, png_bytep row, - png_color_16p trans_values, png_color_16p background -#if defined(PNG_READ_GAMMA_SUPPORTED) - , png_color_16p background_1, - png_bytep gamma_table, png_bytep gamma_from_1, png_bytep gamma_to_1, - png_uint_16pp gamma_16, png_uint_16pp gamma_16_from_1, - png_uint_16pp gamma_16_to_1, int gamma_shift -#endif - ) -{ - png_bytep sp, dp; - png_uint_32 i; - png_uint_32 row_width=row_info->width; - int shift; - - png_debug(1, "in png_do_background"); - if (background != NULL && -#if defined(PNG_USELESS_TESTS_SUPPORTED) - row != NULL && row_info != NULL && -#endif - (!(row_info->color_type & PNG_COLOR_MASK_ALPHA) || - (row_info->color_type != PNG_COLOR_TYPE_PALETTE && trans_values))) - { - switch (row_info->color_type) - { - case PNG_COLOR_TYPE_GRAY: - { - switch (row_info->bit_depth) - { - case 1: - { - sp = row; - shift = 7; - for (i = 0; i < row_width; i++) - { - if ((png_uint_16)((*sp >> shift) & 0x01) - == trans_values->gray) - { - *sp &= (png_byte)((0x7f7f >> (7 - shift)) & 0xff); - *sp |= (png_byte)(background->gray << shift); - } - if (!shift) - { - shift = 7; - sp++; - } - else - shift--; - } - break; - } - case 2: - { -#if defined(PNG_READ_GAMMA_SUPPORTED) - if (gamma_table != NULL) - { - sp = row; - shift = 6; - for (i = 0; i < row_width; i++) - { - if ((png_uint_16)((*sp >> shift) & 0x03) - == trans_values->gray) - { - *sp &= (png_byte)((0x3f3f >> (6 - shift)) & 0xff); - *sp |= (png_byte)(background->gray << shift); - } - else - { - png_byte p = (png_byte)((*sp >> shift) & 0x03); - png_byte g = (png_byte)((gamma_table [p | (p << 2) | - (p << 4) | (p << 6)] >> 6) & 0x03); - *sp &= (png_byte)((0x3f3f >> (6 - shift)) & 0xff); - *sp |= (png_byte)(g << shift); - } - if (!shift) - { - shift = 6; - sp++; - } - else - shift -= 2; - } - } - else -#endif - { - sp = row; - shift = 6; - for (i = 0; i < row_width; i++) - { - if ((png_uint_16)((*sp >> shift) & 0x03) - == trans_values->gray) - { - *sp &= (png_byte)((0x3f3f >> (6 - shift)) & 0xff); - *sp |= (png_byte)(background->gray << shift); - } - if (!shift) - { - shift = 6; - sp++; - } - else - shift -= 2; - } - } - break; - } - case 4: - { -#if defined(PNG_READ_GAMMA_SUPPORTED) - if (gamma_table != NULL) - { - sp = row; - shift = 4; - for (i = 0; i < row_width; i++) - { - if ((png_uint_16)((*sp >> shift) & 0x0f) - == trans_values->gray) - { - *sp &= (png_byte)((0xf0f >> (4 - shift)) & 0xff); - *sp |= (png_byte)(background->gray << shift); - } - else - { - png_byte p = (png_byte)((*sp >> shift) & 0x0f); - png_byte g = (png_byte)((gamma_table[p | - (p << 4)] >> 4) & 0x0f); - *sp &= (png_byte)((0xf0f >> (4 - shift)) & 0xff); - *sp |= (png_byte)(g << shift); - } - if (!shift) - { - shift = 4; - sp++; - } - else - shift -= 4; - } - } - else -#endif - { - sp = row; - shift = 4; - for (i = 0; i < row_width; i++) - { - if ((png_uint_16)((*sp >> shift) & 0x0f) - == trans_values->gray) - { - *sp &= (png_byte)((0xf0f >> (4 - shift)) & 0xff); - *sp |= (png_byte)(background->gray << shift); - } - if (!shift) - { - shift = 4; - sp++; - } - else - shift -= 4; - } - } - break; - } - case 8: - { -#if defined(PNG_READ_GAMMA_SUPPORTED) - if (gamma_table != NULL) - { - sp = row; - for (i = 0; i < row_width; i++, sp++) - { - if (*sp == trans_values->gray) - { - *sp = (png_byte)background->gray; - } - else - { - *sp = gamma_table[*sp]; - } - } - } - else -#endif - { - sp = row; - for (i = 0; i < row_width; i++, sp++) - { - if (*sp == trans_values->gray) - { - *sp = (png_byte)background->gray; - } - } - } - break; - } - case 16: - { -#if defined(PNG_READ_GAMMA_SUPPORTED) - if (gamma_16 != NULL) - { - sp = row; - for (i = 0; i < row_width; i++, sp += 2) - { - png_uint_16 v; - - v = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - if (v == trans_values->gray) - { - /* background is already in screen gamma */ - *sp = (png_byte)((background->gray >> 8) & 0xff); - *(sp + 1) = (png_byte)(background->gray & 0xff); - } - else - { - v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); - } - } - } - else -#endif - { - sp = row; - for (i = 0; i < row_width; i++, sp += 2) - { - png_uint_16 v; - - v = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - if (v == trans_values->gray) - { - *sp = (png_byte)((background->gray >> 8) & 0xff); - *(sp + 1) = (png_byte)(background->gray & 0xff); - } - } - } - break; - } - } - break; - } - case PNG_COLOR_TYPE_RGB: - { - if (row_info->bit_depth == 8) - { -#if defined(PNG_READ_GAMMA_SUPPORTED) - if (gamma_table != NULL) - { - sp = row; - for (i = 0; i < row_width; i++, sp += 3) - { - if (*sp == trans_values->red && - *(sp + 1) == trans_values->green && - *(sp + 2) == trans_values->blue) - { - *sp = (png_byte)background->red; - *(sp + 1) = (png_byte)background->green; - *(sp + 2) = (png_byte)background->blue; - } - else - { - *sp = gamma_table[*sp]; - *(sp + 1) = gamma_table[*(sp + 1)]; - *(sp + 2) = gamma_table[*(sp + 2)]; - } - } - } - else -#endif - { - sp = row; - for (i = 0; i < row_width; i++, sp += 3) - { - if (*sp == trans_values->red && - *(sp + 1) == trans_values->green && - *(sp + 2) == trans_values->blue) - { - *sp = (png_byte)background->red; - *(sp + 1) = (png_byte)background->green; - *(sp + 2) = (png_byte)background->blue; - } - } - } - } - else /* if (row_info->bit_depth == 16) */ - { -#if defined(PNG_READ_GAMMA_SUPPORTED) - if (gamma_16 != NULL) - { - sp = row; - for (i = 0; i < row_width; i++, sp += 6) - { - png_uint_16 r = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - png_uint_16 g = (png_uint_16)(((*(sp+2)) << 8) + *(sp+3)); - png_uint_16 b = (png_uint_16)(((*(sp+4)) << 8) + *(sp+5)); - if (r == trans_values->red && g == trans_values->green && - b == trans_values->blue) - { - /* background is already in screen gamma */ - *sp = (png_byte)((background->red >> 8) & 0xff); - *(sp + 1) = (png_byte)(background->red & 0xff); - *(sp + 2) = (png_byte)((background->green >> 8) & 0xff); - *(sp + 3) = (png_byte)(background->green & 0xff); - *(sp + 4) = (png_byte)((background->blue >> 8) & 0xff); - *(sp + 5) = (png_byte)(background->blue & 0xff); - } - else - { - png_uint_16 v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); - v = gamma_16[*(sp + 3) >> gamma_shift][*(sp + 2)]; - *(sp + 2) = (png_byte)((v >> 8) & 0xff); - *(sp + 3) = (png_byte)(v & 0xff); - v = gamma_16[*(sp + 5) >> gamma_shift][*(sp + 4)]; - *(sp + 4) = (png_byte)((v >> 8) & 0xff); - *(sp + 5) = (png_byte)(v & 0xff); - } - } - } - else -#endif - { - sp = row; - for (i = 0; i < row_width; i++, sp += 6) - { - png_uint_16 r = (png_uint_16)(((*sp) << 8) + *(sp+1)); - png_uint_16 g = (png_uint_16)(((*(sp+2)) << 8) + *(sp+3)); - png_uint_16 b = (png_uint_16)(((*(sp+4)) << 8) + *(sp+5)); - - if (r == trans_values->red && g == trans_values->green && - b == trans_values->blue) - { - *sp = (png_byte)((background->red >> 8) & 0xff); - *(sp + 1) = (png_byte)(background->red & 0xff); - *(sp + 2) = (png_byte)((background->green >> 8) & 0xff); - *(sp + 3) = (png_byte)(background->green & 0xff); - *(sp + 4) = (png_byte)((background->blue >> 8) & 0xff); - *(sp + 5) = (png_byte)(background->blue & 0xff); - } - } - } - } - break; - } - case PNG_COLOR_TYPE_GRAY_ALPHA: - { - if (row_info->bit_depth == 8) - { -#if defined(PNG_READ_GAMMA_SUPPORTED) - if (gamma_to_1 != NULL && gamma_from_1 != NULL && - gamma_table != NULL) - { - sp = row; - dp = row; - for (i = 0; i < row_width; i++, sp += 2, dp++) - { - png_uint_16 a = *(sp + 1); - - if (a == 0xff) - { - *dp = gamma_table[*sp]; - } - else if (a == 0) - { - /* background is already in screen gamma */ - *dp = (png_byte)background->gray; - } - else - { - png_byte v, w; - - v = gamma_to_1[*sp]; - png_composite(w, v, a, background_1->gray); - *dp = gamma_from_1[w]; - } - } - } - else -#endif - { - sp = row; - dp = row; - for (i = 0; i < row_width; i++, sp += 2, dp++) - { - png_byte a = *(sp + 1); - - if (a == 0xff) - { - *dp = *sp; - } -#if defined(PNG_READ_GAMMA_SUPPORTED) - else if (a == 0) - { - *dp = (png_byte)background->gray; - } - else - { - png_composite(*dp, *sp, a, background_1->gray); - } -#else - *dp = (png_byte)background->gray; -#endif - } - } - } - else /* if (png_ptr->bit_depth == 16) */ - { -#if defined(PNG_READ_GAMMA_SUPPORTED) - if (gamma_16 != NULL && gamma_16_from_1 != NULL && - gamma_16_to_1 != NULL) - { - sp = row; - dp = row; - for (i = 0; i < row_width; i++, sp += 4, dp += 2) - { - png_uint_16 a = (png_uint_16)(((*(sp+2)) << 8) + *(sp+3)); - - if (a == (png_uint_16)0xffff) - { - png_uint_16 v; - - v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; - *dp = (png_byte)((v >> 8) & 0xff); - *(dp + 1) = (png_byte)(v & 0xff); - } -#if defined(PNG_READ_GAMMA_SUPPORTED) - else if (a == 0) -#else - else -#endif - { - /* background is already in screen gamma */ - *dp = (png_byte)((background->gray >> 8) & 0xff); - *(dp + 1) = (png_byte)(background->gray & 0xff); - } -#if defined(PNG_READ_GAMMA_SUPPORTED) - else - { - png_uint_16 g, v, w; - - g = gamma_16_to_1[*(sp + 1) >> gamma_shift][*sp]; - png_composite_16(v, g, a, background_1->gray); - w = gamma_16_from_1[(v&0xff) >> gamma_shift][v >> 8]; - *dp = (png_byte)((w >> 8) & 0xff); - *(dp + 1) = (png_byte)(w & 0xff); - } -#endif - } - } - else -#endif - { - sp = row; - dp = row; - for (i = 0; i < row_width; i++, sp += 4, dp += 2) - { - png_uint_16 a = (png_uint_16)(((*(sp+2)) << 8) + *(sp+3)); - if (a == (png_uint_16)0xffff) - { - png_memcpy(dp, sp, 2); - } -#if defined(PNG_READ_GAMMA_SUPPORTED) - else if (a == 0) -#else - else -#endif - { - *dp = (png_byte)((background->gray >> 8) & 0xff); - *(dp + 1) = (png_byte)(background->gray & 0xff); - } -#if defined(PNG_READ_GAMMA_SUPPORTED) - else - { - png_uint_16 g, v; - - g = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - png_composite_16(v, g, a, background_1->gray); - *dp = (png_byte)((v >> 8) & 0xff); - *(dp + 1) = (png_byte)(v & 0xff); - } -#endif - } - } - } - break; - } - case PNG_COLOR_TYPE_RGB_ALPHA: - { - if (row_info->bit_depth == 8) - { -#if defined(PNG_READ_GAMMA_SUPPORTED) - if (gamma_to_1 != NULL && gamma_from_1 != NULL && - gamma_table != NULL) - { - sp = row; - dp = row; - for (i = 0; i < row_width; i++, sp += 4, dp += 3) - { - png_byte a = *(sp + 3); - - if (a == 0xff) - { - *dp = gamma_table[*sp]; - *(dp + 1) = gamma_table[*(sp + 1)]; - *(dp + 2) = gamma_table[*(sp + 2)]; - } - else if (a == 0) - { - /* background is already in screen gamma */ - *dp = (png_byte)background->red; - *(dp + 1) = (png_byte)background->green; - *(dp + 2) = (png_byte)background->blue; - } - else - { - png_byte v, w; - - v = gamma_to_1[*sp]; - png_composite(w, v, a, background_1->red); - *dp = gamma_from_1[w]; - v = gamma_to_1[*(sp + 1)]; - png_composite(w, v, a, background_1->green); - *(dp + 1) = gamma_from_1[w]; - v = gamma_to_1[*(sp + 2)]; - png_composite(w, v, a, background_1->blue); - *(dp + 2) = gamma_from_1[w]; - } - } - } - else -#endif - { - sp = row; - dp = row; - for (i = 0; i < row_width; i++, sp += 4, dp += 3) - { - png_byte a = *(sp + 3); - - if (a == 0xff) - { - *dp = *sp; - *(dp + 1) = *(sp + 1); - *(dp + 2) = *(sp + 2); - } - else if (a == 0) - { - *dp = (png_byte)background->red; - *(dp + 1) = (png_byte)background->green; - *(dp + 2) = (png_byte)background->blue; - } - else - { - png_composite(*dp, *sp, a, background->red); - png_composite(*(dp + 1), *(sp + 1), a, - background->green); - png_composite(*(dp + 2), *(sp + 2), a, - background->blue); - } - } - } - } - else /* if (row_info->bit_depth == 16) */ - { -#if defined(PNG_READ_GAMMA_SUPPORTED) - if (gamma_16 != NULL && gamma_16_from_1 != NULL && - gamma_16_to_1 != NULL) - { - sp = row; - dp = row; - for (i = 0; i < row_width; i++, sp += 8, dp += 6) - { - png_uint_16 a = (png_uint_16)(((png_uint_16)(*(sp + 6)) - << 8) + (png_uint_16)(*(sp + 7))); - if (a == (png_uint_16)0xffff) - { - png_uint_16 v; - - v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; - *dp = (png_byte)((v >> 8) & 0xff); - *(dp + 1) = (png_byte)(v & 0xff); - v = gamma_16[*(sp + 3) >> gamma_shift][*(sp + 2)]; - *(dp + 2) = (png_byte)((v >> 8) & 0xff); - *(dp + 3) = (png_byte)(v & 0xff); - v = gamma_16[*(sp + 5) >> gamma_shift][*(sp + 4)]; - *(dp + 4) = (png_byte)((v >> 8) & 0xff); - *(dp + 5) = (png_byte)(v & 0xff); - } - else if (a == 0) - { - /* background is already in screen gamma */ - *dp = (png_byte)((background->red >> 8) & 0xff); - *(dp + 1) = (png_byte)(background->red & 0xff); - *(dp + 2) = (png_byte)((background->green >> 8) & 0xff); - *(dp + 3) = (png_byte)(background->green & 0xff); - *(dp + 4) = (png_byte)((background->blue >> 8) & 0xff); - *(dp + 5) = (png_byte)(background->blue & 0xff); - } - else - { - png_uint_16 v, w, x; - - v = gamma_16_to_1[*(sp + 1) >> gamma_shift][*sp]; - png_composite_16(w, v, a, background_1->red); - x = gamma_16_from_1[((w&0xff) >> gamma_shift)][w >> 8]; - *dp = (png_byte)((x >> 8) & 0xff); - *(dp + 1) = (png_byte)(x & 0xff); - v = gamma_16_to_1[*(sp + 3) >> gamma_shift][*(sp + 2)]; - png_composite_16(w, v, a, background_1->green); - x = gamma_16_from_1[((w&0xff) >> gamma_shift)][w >> 8]; - *(dp + 2) = (png_byte)((x >> 8) & 0xff); - *(dp + 3) = (png_byte)(x & 0xff); - v = gamma_16_to_1[*(sp + 5) >> gamma_shift][*(sp + 4)]; - png_composite_16(w, v, a, background_1->blue); - x = gamma_16_from_1[(w & 0xff) >> gamma_shift][w >> 8]; - *(dp + 4) = (png_byte)((x >> 8) & 0xff); - *(dp + 5) = (png_byte)(x & 0xff); - } - } - } - else -#endif - { - sp = row; - dp = row; - for (i = 0; i < row_width; i++, sp += 8, dp += 6) - { - png_uint_16 a = (png_uint_16)(((png_uint_16)(*(sp + 6)) - << 8) + (png_uint_16)(*(sp + 7))); - if (a == (png_uint_16)0xffff) - { - png_memcpy(dp, sp, 6); - } - else if (a == 0) - { - *dp = (png_byte)((background->red >> 8) & 0xff); - *(dp + 1) = (png_byte)(background->red & 0xff); - *(dp + 2) = (png_byte)((background->green >> 8) & 0xff); - *(dp + 3) = (png_byte)(background->green & 0xff); - *(dp + 4) = (png_byte)((background->blue >> 8) & 0xff); - *(dp + 5) = (png_byte)(background->blue & 0xff); - } - else - { - png_uint_16 v; - - png_uint_16 r = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - png_uint_16 g = (png_uint_16)(((*(sp + 2)) << 8) - + *(sp + 3)); - png_uint_16 b = (png_uint_16)(((*(sp + 4)) << 8) - + *(sp + 5)); - - png_composite_16(v, r, a, background->red); - *dp = (png_byte)((v >> 8) & 0xff); - *(dp + 1) = (png_byte)(v & 0xff); - png_composite_16(v, g, a, background->green); - *(dp + 2) = (png_byte)((v >> 8) & 0xff); - *(dp + 3) = (png_byte)(v & 0xff); - png_composite_16(v, b, a, background->blue); - *(dp + 4) = (png_byte)((v >> 8) & 0xff); - *(dp + 5) = (png_byte)(v & 0xff); - } - } - } - } - break; - } - } - - if (row_info->color_type & PNG_COLOR_MASK_ALPHA) - { - row_info->color_type &= ~PNG_COLOR_MASK_ALPHA; - row_info->channels--; - row_info->pixel_depth = (png_byte)(row_info->channels * - row_info->bit_depth); - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width); - } - } -} -#endif - -#if defined(PNG_READ_GAMMA_SUPPORTED) -/* Gamma correct the image, avoiding the alpha channel. Make sure - * you do this after you deal with the transparency issue on grayscale - * or RGB images. If your bit depth is 8, use gamma_table, if it - * is 16, use gamma_16_table and gamma_shift. Build these with - * build_gamma_table(). - */ -void /* PRIVATE */ -png_do_gamma(png_row_infop row_info, png_bytep row, - png_bytep gamma_table, png_uint_16pp gamma_16_table, - int gamma_shift) -{ - png_bytep sp; - png_uint_32 i; - png_uint_32 row_width=row_info->width; - - png_debug(1, "in png_do_gamma"); - if ( -#if defined(PNG_USELESS_TESTS_SUPPORTED) - row != NULL && row_info != NULL && -#endif - ((row_info->bit_depth <= 8 && gamma_table != NULL) || - (row_info->bit_depth == 16 && gamma_16_table != NULL))) - { - switch (row_info->color_type) - { - case PNG_COLOR_TYPE_RGB: - { - if (row_info->bit_depth == 8) - { - sp = row; - for (i = 0; i < row_width; i++) - { - *sp = gamma_table[*sp]; - sp++; - *sp = gamma_table[*sp]; - sp++; - *sp = gamma_table[*sp]; - sp++; - } - } - else /* if (row_info->bit_depth == 16) */ - { - sp = row; - for (i = 0; i < row_width; i++) - { - png_uint_16 v; - - v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp]; - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); - sp += 2; - v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp]; - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); - sp += 2; - v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp]; - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); - sp += 2; - } - } - break; - } - case PNG_COLOR_TYPE_RGB_ALPHA: - { - if (row_info->bit_depth == 8) - { - sp = row; - for (i = 0; i < row_width; i++) - { - *sp = gamma_table[*sp]; - sp++; - *sp = gamma_table[*sp]; - sp++; - *sp = gamma_table[*sp]; - sp++; - sp++; - } - } - else /* if (row_info->bit_depth == 16) */ - { - sp = row; - for (i = 0; i < row_width; i++) - { - png_uint_16 v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp]; - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); - sp += 2; - v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp]; - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); - sp += 2; - v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp]; - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); - sp += 4; - } - } - break; - } - case PNG_COLOR_TYPE_GRAY_ALPHA: - { - if (row_info->bit_depth == 8) - { - sp = row; - for (i = 0; i < row_width; i++) - { - *sp = gamma_table[*sp]; - sp += 2; - } - } - else /* if (row_info->bit_depth == 16) */ - { - sp = row; - for (i = 0; i < row_width; i++) - { - png_uint_16 v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp]; - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); - sp += 4; - } - } - break; - } - case PNG_COLOR_TYPE_GRAY: - { - if (row_info->bit_depth == 2) - { - sp = row; - for (i = 0; i < row_width; i += 4) - { - int a = *sp & 0xc0; - int b = *sp & 0x30; - int c = *sp & 0x0c; - int d = *sp & 0x03; - - *sp = (png_byte)( - ((((int)gamma_table[a|(a>>2)|(a>>4)|(a>>6)]) ) & 0xc0)| - ((((int)gamma_table[(b<<2)|b|(b>>2)|(b>>4)])>>2) & 0x30)| - ((((int)gamma_table[(c<<4)|(c<<2)|c|(c>>2)])>>4) & 0x0c)| - ((((int)gamma_table[(d<<6)|(d<<4)|(d<<2)|d])>>6) )); - sp++; - } - } - if (row_info->bit_depth == 4) - { - sp = row; - for (i = 0; i < row_width; i += 2) - { - int msb = *sp & 0xf0; - int lsb = *sp & 0x0f; - - *sp = (png_byte)((((int)gamma_table[msb | (msb >> 4)]) & 0xf0) - | (((int)gamma_table[(lsb << 4) | lsb]) >> 4)); - sp++; - } - } - else if (row_info->bit_depth == 8) - { - sp = row; - for (i = 0; i < row_width; i++) - { - *sp = gamma_table[*sp]; - sp++; - } - } - else if (row_info->bit_depth == 16) - { - sp = row; - for (i = 0; i < row_width; i++) - { - png_uint_16 v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp]; - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); - sp += 2; - } - } - break; - } - } - } -} -#endif - -#if defined(PNG_READ_EXPAND_SUPPORTED) -/* Expands a palette row to an RGB or RGBA row depending - * upon whether you supply trans and num_trans. - */ -void /* PRIVATE */ -png_do_expand_palette(png_row_infop row_info, png_bytep row, - png_colorp palette, png_bytep trans, int num_trans) -{ - int shift, value; - png_bytep sp, dp; - png_uint_32 i; - png_uint_32 row_width=row_info->width; - - png_debug(1, "in png_do_expand_palette"); - if ( -#if defined(PNG_USELESS_TESTS_SUPPORTED) - row != NULL && row_info != NULL && -#endif - row_info->color_type == PNG_COLOR_TYPE_PALETTE) - { - if (row_info->bit_depth < 8) - { - switch (row_info->bit_depth) - { - case 1: - { - sp = row + (png_size_t)((row_width - 1) >> 3); - dp = row + (png_size_t)row_width - 1; - shift = 7 - (int)((row_width + 7) & 0x07); - for (i = 0; i < row_width; i++) - { - if ((*sp >> shift) & 0x01) - *dp = 1; - else - *dp = 0; - if (shift == 7) - { - shift = 0; - sp--; - } - else - shift++; - - dp--; - } - break; - } - case 2: - { - sp = row + (png_size_t)((row_width - 1) >> 2); - dp = row + (png_size_t)row_width - 1; - shift = (int)((3 - ((row_width + 3) & 0x03)) << 1); - for (i = 0; i < row_width; i++) - { - value = (*sp >> shift) & 0x03; - *dp = (png_byte)value; - if (shift == 6) - { - shift = 0; - sp--; - } - else - shift += 2; - - dp--; - } - break; - } - case 4: - { - sp = row + (png_size_t)((row_width - 1) >> 1); - dp = row + (png_size_t)row_width - 1; - shift = (int)((row_width & 0x01) << 2); - for (i = 0; i < row_width; i++) - { - value = (*sp >> shift) & 0x0f; - *dp = (png_byte)value; - if (shift == 4) - { - shift = 0; - sp--; - } - else - shift += 4; - - dp--; - } - break; - } - } - row_info->bit_depth = 8; - row_info->pixel_depth = 8; - row_info->rowbytes = row_width; - } - switch (row_info->bit_depth) - { - case 8: - { - if (trans != NULL) - { - sp = row + (png_size_t)row_width - 1; - dp = row + (png_size_t)(row_width << 2) - 1; - - for (i = 0; i < row_width; i++) - { - if ((int)(*sp) >= num_trans) - *dp-- = 0xff; - else - *dp-- = trans[*sp]; - *dp-- = palette[*sp].blue; - *dp-- = palette[*sp].green; - *dp-- = palette[*sp].red; - sp--; - } - row_info->bit_depth = 8; - row_info->pixel_depth = 32; - row_info->rowbytes = row_width * 4; - row_info->color_type = 6; - row_info->channels = 4; - } - else - { - sp = row + (png_size_t)row_width - 1; - dp = row + (png_size_t)(row_width * 3) - 1; - - for (i = 0; i < row_width; i++) - { - *dp-- = palette[*sp].blue; - *dp-- = palette[*sp].green; - *dp-- = palette[*sp].red; - sp--; - } - row_info->bit_depth = 8; - row_info->pixel_depth = 24; - row_info->rowbytes = row_width * 3; - row_info->color_type = 2; - row_info->channels = 3; - } - break; - } - } - } -} - -/* If the bit depth < 8, it is expanded to 8. Also, if the already - * expanded transparency value is supplied, an alpha channel is built. - */ -void /* PRIVATE */ -png_do_expand(png_row_infop row_info, png_bytep row, - png_color_16p trans_value) -{ - int shift, value; - png_bytep sp, dp; - png_uint_32 i; - png_uint_32 row_width=row_info->width; - - png_debug(1, "in png_do_expand"); -#if defined(PNG_USELESS_TESTS_SUPPORTED) - if (row != NULL && row_info != NULL) -#endif - { - if (row_info->color_type == PNG_COLOR_TYPE_GRAY) - { - png_uint_16 gray = (png_uint_16)(trans_value ? trans_value->gray : 0); - - if (row_info->bit_depth < 8) - { - switch (row_info->bit_depth) - { - case 1: - { - gray = (png_uint_16)((gray&0x01)*0xff); - sp = row + (png_size_t)((row_width - 1) >> 3); - dp = row + (png_size_t)row_width - 1; - shift = 7 - (int)((row_width + 7) & 0x07); - for (i = 0; i < row_width; i++) - { - if ((*sp >> shift) & 0x01) - *dp = 0xff; - else - *dp = 0; - if (shift == 7) - { - shift = 0; - sp--; - } - else - shift++; - - dp--; - } - break; - } - case 2: - { - gray = (png_uint_16)((gray&0x03)*0x55); - sp = row + (png_size_t)((row_width - 1) >> 2); - dp = row + (png_size_t)row_width - 1; - shift = (int)((3 - ((row_width + 3) & 0x03)) << 1); - for (i = 0; i < row_width; i++) - { - value = (*sp >> shift) & 0x03; - *dp = (png_byte)(value | (value << 2) | (value << 4) | - (value << 6)); - if (shift == 6) - { - shift = 0; - sp--; - } - else - shift += 2; - - dp--; - } - break; - } - case 4: - { - gray = (png_uint_16)((gray&0x0f)*0x11); - sp = row + (png_size_t)((row_width - 1) >> 1); - dp = row + (png_size_t)row_width - 1; - shift = (int)((1 - ((row_width + 1) & 0x01)) << 2); - for (i = 0; i < row_width; i++) - { - value = (*sp >> shift) & 0x0f; - *dp = (png_byte)(value | (value << 4)); - if (shift == 4) - { - shift = 0; - sp--; - } - else - shift = 4; - - dp--; - } - break; - } - } - row_info->bit_depth = 8; - row_info->pixel_depth = 8; - row_info->rowbytes = row_width; - } - - if (trans_value != NULL) - { - if (row_info->bit_depth == 8) - { - gray = gray & 0xff; - sp = row + (png_size_t)row_width - 1; - dp = row + (png_size_t)(row_width << 1) - 1; - for (i = 0; i < row_width; i++) - { - if (*sp == gray) - *dp-- = 0; - else - *dp-- = 0xff; - *dp-- = *sp--; - } - } - else if (row_info->bit_depth == 16) - { - png_byte gray_high = (gray >> 8) & 0xff; - png_byte gray_low = gray & 0xff; - sp = row + row_info->rowbytes - 1; - dp = row + (row_info->rowbytes << 1) - 1; - for (i = 0; i < row_width; i++) - { - if (*(sp - 1) == gray_high && *(sp) == gray_low) - { - *dp-- = 0; - *dp-- = 0; - } - else - { - *dp-- = 0xff; - *dp-- = 0xff; - } - *dp-- = *sp--; - *dp-- = *sp--; - } - } - row_info->color_type = PNG_COLOR_TYPE_GRAY_ALPHA; - row_info->channels = 2; - row_info->pixel_depth = (png_byte)(row_info->bit_depth << 1); - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, - row_width); - } - } - else if (row_info->color_type == PNG_COLOR_TYPE_RGB && trans_value) - { - if (row_info->bit_depth == 8) - { - png_byte red = trans_value->red & 0xff; - png_byte green = trans_value->green & 0xff; - png_byte blue = trans_value->blue & 0xff; - sp = row + (png_size_t)row_info->rowbytes - 1; - dp = row + (png_size_t)(row_width << 2) - 1; - for (i = 0; i < row_width; i++) - { - if (*(sp - 2) == red && *(sp - 1) == green && *(sp) == blue) - *dp-- = 0; - else - *dp-- = 0xff; - *dp-- = *sp--; - *dp-- = *sp--; - *dp-- = *sp--; - } - } - else if (row_info->bit_depth == 16) - { - png_byte red_high = (trans_value->red >> 8) & 0xff; - png_byte green_high = (trans_value->green >> 8) & 0xff; - png_byte blue_high = (trans_value->blue >> 8) & 0xff; - png_byte red_low = trans_value->red & 0xff; - png_byte green_low = trans_value->green & 0xff; - png_byte blue_low = trans_value->blue & 0xff; - sp = row + row_info->rowbytes - 1; - dp = row + (png_size_t)(row_width << 3) - 1; - for (i = 0; i < row_width; i++) - { - if (*(sp - 5) == red_high && - *(sp - 4) == red_low && - *(sp - 3) == green_high && - *(sp - 2) == green_low && - *(sp - 1) == blue_high && - *(sp ) == blue_low) - { - *dp-- = 0; - *dp-- = 0; - } - else - { - *dp-- = 0xff; - *dp-- = 0xff; - } - *dp-- = *sp--; - *dp-- = *sp--; - *dp-- = *sp--; - *dp-- = *sp--; - *dp-- = *sp--; - *dp-- = *sp--; - } - } - row_info->color_type = PNG_COLOR_TYPE_RGB_ALPHA; - row_info->channels = 4; - row_info->pixel_depth = (png_byte)(row_info->bit_depth << 2); - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width); - } - } -} -#endif - -#if defined(PNG_READ_DITHER_SUPPORTED) -void /* PRIVATE */ -png_do_dither(png_row_infop row_info, png_bytep row, - png_bytep palette_lookup, png_bytep dither_lookup) -{ - png_bytep sp, dp; - png_uint_32 i; - png_uint_32 row_width=row_info->width; - - png_debug(1, "in png_do_dither"); -#if defined(PNG_USELESS_TESTS_SUPPORTED) - if (row != NULL && row_info != NULL) -#endif - { - if (row_info->color_type == PNG_COLOR_TYPE_RGB && - palette_lookup && row_info->bit_depth == 8) - { - int r, g, b, p; - sp = row; - dp = row; - for (i = 0; i < row_width; i++) - { - r = *sp++; - g = *sp++; - b = *sp++; - - /* this looks real messy, but the compiler will reduce - it down to a reasonable formula. For example, with - 5 bits per color, we get: - p = (((r >> 3) & 0x1f) << 10) | - (((g >> 3) & 0x1f) << 5) | - ((b >> 3) & 0x1f); - */ - p = (((r >> (8 - PNG_DITHER_RED_BITS)) & - ((1 << PNG_DITHER_RED_BITS) - 1)) << - (PNG_DITHER_GREEN_BITS + PNG_DITHER_BLUE_BITS)) | - (((g >> (8 - PNG_DITHER_GREEN_BITS)) & - ((1 << PNG_DITHER_GREEN_BITS) - 1)) << - (PNG_DITHER_BLUE_BITS)) | - ((b >> (8 - PNG_DITHER_BLUE_BITS)) & - ((1 << PNG_DITHER_BLUE_BITS) - 1)); - - *dp++ = palette_lookup[p]; - } - row_info->color_type = PNG_COLOR_TYPE_PALETTE; - row_info->channels = 1; - row_info->pixel_depth = row_info->bit_depth; - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width); - } - else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA && - palette_lookup != NULL && row_info->bit_depth == 8) - { - int r, g, b, p; - sp = row; - dp = row; - for (i = 0; i < row_width; i++) - { - r = *sp++; - g = *sp++; - b = *sp++; - sp++; - - p = (((r >> (8 - PNG_DITHER_RED_BITS)) & - ((1 << PNG_DITHER_RED_BITS) - 1)) << - (PNG_DITHER_GREEN_BITS + PNG_DITHER_BLUE_BITS)) | - (((g >> (8 - PNG_DITHER_GREEN_BITS)) & - ((1 << PNG_DITHER_GREEN_BITS) - 1)) << - (PNG_DITHER_BLUE_BITS)) | - ((b >> (8 - PNG_DITHER_BLUE_BITS)) & - ((1 << PNG_DITHER_BLUE_BITS) - 1)); - - *dp++ = palette_lookup[p]; - } - row_info->color_type = PNG_COLOR_TYPE_PALETTE; - row_info->channels = 1; - row_info->pixel_depth = row_info->bit_depth; - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width); - } - else if (row_info->color_type == PNG_COLOR_TYPE_PALETTE && - dither_lookup && row_info->bit_depth == 8) - { - sp = row; - for (i = 0; i < row_width; i++, sp++) - { - *sp = dither_lookup[*sp]; - } - } - } -} -#endif - -#ifdef PNG_FLOATING_POINT_SUPPORTED -#if defined(PNG_READ_GAMMA_SUPPORTED) -static PNG_CONST int png_gamma_shift[] = - {0x10, 0x21, 0x42, 0x84, 0x110, 0x248, 0x550, 0xff0, 0x00}; - -/* We build the 8- or 16-bit gamma tables here. Note that for 16-bit - * tables, we don't make a full table if we are reducing to 8-bit in - * the future. Note also how the gamma_16 tables are segmented so that - * we don't need to allocate > 64K chunks for a full 16-bit table. - */ -void /* PRIVATE */ -png_build_gamma_table(png_structp png_ptr) -{ - png_debug(1, "in png_build_gamma_table"); - - if (png_ptr->bit_depth <= 8) - { - int i; - double g; - - if (png_ptr->screen_gamma > .000001) - g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); - else - g = 1.0; - - png_ptr->gamma_table = (png_bytep)png_malloc(png_ptr, - (png_uint_32)256); - - for (i = 0; i < 256; i++) - { - png_ptr->gamma_table[i] = (png_byte)(pow((double)i / 255.0, - g) * 255.0 + .5); - } - -#if defined(PNG_READ_BACKGROUND_SUPPORTED) || \ - defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) - if (png_ptr->transformations & ((PNG_BACKGROUND) | PNG_RGB_TO_GRAY)) - { - - g = 1.0 / (png_ptr->gamma); - - png_ptr->gamma_to_1 = (png_bytep)png_malloc(png_ptr, - (png_uint_32)256); - - for (i = 0; i < 256; i++) - { - png_ptr->gamma_to_1[i] = (png_byte)(pow((double)i / 255.0, - g) * 255.0 + .5); - } - - - png_ptr->gamma_from_1 = (png_bytep)png_malloc(png_ptr, - (png_uint_32)256); - - if (png_ptr->screen_gamma > 0.000001) - g = 1.0 / png_ptr->screen_gamma; - else - g = png_ptr->gamma; /* probably doing rgb_to_gray */ - - for (i = 0; i < 256; i++) - { - png_ptr->gamma_from_1[i] = (png_byte)(pow((double)i / 255.0, - g) * 255.0 + .5); - - } - } -#endif /* PNG_READ_BACKGROUND_SUPPORTED || PNG_RGB_TO_GRAY_SUPPORTED */ - } - else - { - double g; - int i, j, shift, num; - int sig_bit; - png_uint_32 ig; - - if (png_ptr->color_type & PNG_COLOR_MASK_COLOR) - { - sig_bit = (int)png_ptr->sig_bit.red; - if ((int)png_ptr->sig_bit.green > sig_bit) - sig_bit = png_ptr->sig_bit.green; - if ((int)png_ptr->sig_bit.blue > sig_bit) - sig_bit = png_ptr->sig_bit.blue; - } - else - { - sig_bit = (int)png_ptr->sig_bit.gray; - } - - if (sig_bit > 0) - shift = 16 - sig_bit; - else - shift = 0; - - if (png_ptr->transformations & PNG_16_TO_8) - { - if (shift < (16 - PNG_MAX_GAMMA_8)) - shift = (16 - PNG_MAX_GAMMA_8); - } - - if (shift > 8) - shift = 8; - if (shift < 0) - shift = 0; - - png_ptr->gamma_shift = (png_byte)shift; - - num = (1 << (8 - shift)); - - if (png_ptr->screen_gamma > .000001) - g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); - else - g = 1.0; - - png_ptr->gamma_16_table = (png_uint_16pp)png_malloc(png_ptr, - (png_uint_32)(num * png_sizeof(png_uint_16p))); - - if (png_ptr->transformations & (PNG_16_TO_8 | PNG_BACKGROUND)) - { - double fin, fout; - png_uint_32 last, max; - - for (i = 0; i < num; i++) - { - png_ptr->gamma_16_table[i] = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(256 * png_sizeof(png_uint_16))); - } - - g = 1.0 / g; - last = 0; - for (i = 0; i < 256; i++) - { - fout = ((double)i + 0.5) / 256.0; - fin = pow(fout, g); - max = (png_uint_32)(fin * (double)((png_uint_32)num << 8)); - while (last <= max) - { - png_ptr->gamma_16_table[(int)(last & (0xff >> shift))] - [(int)(last >> (8 - shift))] = (png_uint_16)( - (png_uint_16)i | ((png_uint_16)i << 8)); - last++; - } - } - while (last < ((png_uint_32)num << 8)) - { - png_ptr->gamma_16_table[(int)(last & (0xff >> shift))] - [(int)(last >> (8 - shift))] = (png_uint_16)65535L; - last++; - } - } - else - { - for (i = 0; i < num; i++) - { - png_ptr->gamma_16_table[i] = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(256 * png_sizeof(png_uint_16))); - - ig = (((png_uint_32)i * (png_uint_32)png_gamma_shift[shift]) >> 4); - for (j = 0; j < 256; j++) - { - png_ptr->gamma_16_table[i][j] = - (png_uint_16)(pow((double)(ig + ((png_uint_32)j << 8)) / - 65535.0, g) * 65535.0 + .5); - } - } - } - -#if defined(PNG_READ_BACKGROUND_SUPPORTED) || \ - defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) - if (png_ptr->transformations & (PNG_BACKGROUND | PNG_RGB_TO_GRAY)) - { - - g = 1.0 / (png_ptr->gamma); - - png_ptr->gamma_16_to_1 = (png_uint_16pp)png_malloc(png_ptr, - (png_uint_32)(num * png_sizeof(png_uint_16p ))); - - for (i = 0; i < num; i++) - { - png_ptr->gamma_16_to_1[i] = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(256 * png_sizeof(png_uint_16))); - - ig = (((png_uint_32)i * - (png_uint_32)png_gamma_shift[shift]) >> 4); - for (j = 0; j < 256; j++) - { - png_ptr->gamma_16_to_1[i][j] = - (png_uint_16)(pow((double)(ig + ((png_uint_32)j << 8)) / - 65535.0, g) * 65535.0 + .5); - } - } - - if (png_ptr->screen_gamma > 0.000001) - g = 1.0 / png_ptr->screen_gamma; - else - g = png_ptr->gamma; /* probably doing rgb_to_gray */ - - png_ptr->gamma_16_from_1 = (png_uint_16pp)png_malloc(png_ptr, - (png_uint_32)(num * png_sizeof(png_uint_16p))); - - for (i = 0; i < num; i++) - { - png_ptr->gamma_16_from_1[i] = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(256 * png_sizeof(png_uint_16))); - - ig = (((png_uint_32)i * - (png_uint_32)png_gamma_shift[shift]) >> 4); - for (j = 0; j < 256; j++) - { - png_ptr->gamma_16_from_1[i][j] = - (png_uint_16)(pow((double)(ig + ((png_uint_32)j << 8)) / - 65535.0, g) * 65535.0 + .5); - } - } - } -#endif /* PNG_READ_BACKGROUND_SUPPORTED || PNG_RGB_TO_GRAY_SUPPORTED */ - } -} -#endif -/* To do: install integer version of png_build_gamma_table here */ -#endif - -#if defined(PNG_MNG_FEATURES_SUPPORTED) -/* undoes intrapixel differencing */ -void /* PRIVATE */ -png_do_read_intrapixel(png_row_infop row_info, png_bytep row) -{ - png_debug(1, "in png_do_read_intrapixel"); - if ( -#if defined(PNG_USELESS_TESTS_SUPPORTED) - row != NULL && row_info != NULL && -#endif - (row_info->color_type & PNG_COLOR_MASK_COLOR)) - { - int bytes_per_pixel; - png_uint_32 row_width = row_info->width; - if (row_info->bit_depth == 8) - { - png_bytep rp; - png_uint_32 i; - - if (row_info->color_type == PNG_COLOR_TYPE_RGB) - bytes_per_pixel = 3; - else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) - bytes_per_pixel = 4; - else - return; - - for (i = 0, rp = row; i < row_width; i++, rp += bytes_per_pixel) - { - *(rp) = (png_byte)((256 + *rp + *(rp+1))&0xff); - *(rp+2) = (png_byte)((256 + *(rp+2) + *(rp+1))&0xff); - } - } - else if (row_info->bit_depth == 16) - { - png_bytep rp; - png_uint_32 i; - - if (row_info->color_type == PNG_COLOR_TYPE_RGB) - bytes_per_pixel = 6; - else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) - bytes_per_pixel = 8; - else - return; - - for (i = 0, rp = row; i < row_width; i++, rp += bytes_per_pixel) - { - png_uint_32 s0 = (*(rp ) << 8) | *(rp + 1); - png_uint_32 s1 = (*(rp + 2) << 8) | *(rp + 3); - png_uint_32 s2 = (*(rp + 4) << 8) | *(rp + 5); - png_uint_32 red = (png_uint_32)((s0 + s1 + 65536L) & 0xffffL); - png_uint_32 blue = (png_uint_32)((s2 + s1 + 65536L) & 0xffffL); - *(rp ) = (png_byte)((red >> 8) & 0xff); - *(rp+1) = (png_byte)(red & 0xff); - *(rp+4) = (png_byte)((blue >> 8) & 0xff); - *(rp+5) = (png_byte)(blue & 0xff); - } - } - } -} -#endif /* PNG_MNG_FEATURES_SUPPORTED */ -#endif /* PNG_READ_SUPPORTED */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngrutil.c b/Build/source/libs/libpng/libpng-1.2.34/pngrutil.c deleted file mode 100644 index 3dfcb864ba0..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngrutil.c +++ /dev/null @@ -1,3213 +0,0 @@ - -/* pngrutil.c - utilities to read a PNG file - * - * Last changed in libpng 1.2.34 [December 18, 2008] - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - * - * This file contains routines that are only called from within - * libpng itself during the course of reading an image. - */ - -#define PNG_INTERNAL -#include "png.h" -#if defined(PNG_READ_SUPPORTED) - -#if defined(_WIN32_WCE) && (_WIN32_WCE<0x500) -# define WIN32_WCE_OLD -#endif - -#ifdef PNG_FLOATING_POINT_SUPPORTED -# if defined(WIN32_WCE_OLD) -/* strtod() function is not supported on WindowsCE */ -__inline double png_strtod(png_structp png_ptr, PNG_CONST char *nptr, char **endptr) -{ - double result = 0; - int len; - wchar_t *str, *end; - - len = MultiByteToWideChar(CP_ACP, 0, nptr, -1, NULL, 0); - str = (wchar_t *)png_malloc(png_ptr, len * png_sizeof(wchar_t)); - if ( NULL != str ) - { - MultiByteToWideChar(CP_ACP, 0, nptr, -1, str, len); - result = wcstod(str, &end); - len = WideCharToMultiByte(CP_ACP, 0, end, -1, NULL, 0, NULL, NULL); - *endptr = (char *)nptr + (png_strlen(nptr) - len + 1); - png_free(png_ptr, str); - } - return result; -} -# else -# define png_strtod(p,a,b) strtod(a,b) -# endif -#endif - -png_uint_32 PNGAPI -png_get_uint_31(png_structp png_ptr, png_bytep buf) -{ -#ifdef PNG_READ_BIG_ENDIAN_SUPPORTED - png_uint_32 i = png_get_uint_32(buf); -#else - /* Avoid an extra function call by inlining the result. */ - png_uint_32 i = ((png_uint_32)(*buf) << 24) + - ((png_uint_32)(*(buf + 1)) << 16) + - ((png_uint_32)(*(buf + 2)) << 8) + - (png_uint_32)(*(buf + 3)); -#endif - if (i > PNG_UINT_31_MAX) - png_error(png_ptr, "PNG unsigned integer out of range."); - return (i); -} -#ifndef PNG_READ_BIG_ENDIAN_SUPPORTED -/* Grab an unsigned 32-bit integer from a buffer in big-endian format. */ -png_uint_32 PNGAPI -png_get_uint_32(png_bytep buf) -{ - png_uint_32 i = ((png_uint_32)(*buf) << 24) + - ((png_uint_32)(*(buf + 1)) << 16) + - ((png_uint_32)(*(buf + 2)) << 8) + - (png_uint_32)(*(buf + 3)); - - return (i); -} - -/* Grab a signed 32-bit integer from a buffer in big-endian format. The - * data is stored in the PNG file in two's complement format, and it is - * assumed that the machine format for signed integers is the same. */ -png_int_32 PNGAPI -png_get_int_32(png_bytep buf) -{ - png_int_32 i = ((png_int_32)(*buf) << 24) + - ((png_int_32)(*(buf + 1)) << 16) + - ((png_int_32)(*(buf + 2)) << 8) + - (png_int_32)(*(buf + 3)); - - return (i); -} - -/* Grab an unsigned 16-bit integer from a buffer in big-endian format. */ -png_uint_16 PNGAPI -png_get_uint_16(png_bytep buf) -{ - png_uint_16 i = (png_uint_16)(((png_uint_16)(*buf) << 8) + - (png_uint_16)(*(buf + 1))); - - return (i); -} -#endif /* PNG_READ_BIG_ENDIAN_SUPPORTED */ - -/* Read the chunk header (length + type name). - * Put the type name into png_ptr->chunk_name, and return the length. - */ -png_uint_32 /* PRIVATE */ -png_read_chunk_header(png_structp png_ptr) -{ - png_byte buf[8]; - png_uint_32 length; - - /* read the length and the chunk name */ - png_read_data(png_ptr, buf, 8); - length = png_get_uint_31(png_ptr, buf); - - /* put the chunk name into png_ptr->chunk_name */ - png_memcpy(png_ptr->chunk_name, buf + 4, 4); - - png_debug2(0, "Reading %s chunk, length = %lu", - png_ptr->chunk_name, length); - - /* reset the crc and run it over the chunk name */ - png_reset_crc(png_ptr); - png_calculate_crc(png_ptr, png_ptr->chunk_name, 4); - - /* check to see if chunk name is valid */ - png_check_chunk_name(png_ptr, png_ptr->chunk_name); - - return length; -} - -/* Read data, and (optionally) run it through the CRC. */ -void /* PRIVATE */ -png_crc_read(png_structp png_ptr, png_bytep buf, png_size_t length) -{ - if (png_ptr == NULL) return; - png_read_data(png_ptr, buf, length); - png_calculate_crc(png_ptr, buf, length); -} - -/* Optionally skip data and then check the CRC. Depending on whether we - are reading a ancillary or critical chunk, and how the program has set - things up, we may calculate the CRC on the data and print a message. - Returns '1' if there was a CRC error, '0' otherwise. */ -int /* PRIVATE */ -png_crc_finish(png_structp png_ptr, png_uint_32 skip) -{ - png_size_t i; - png_size_t istop = png_ptr->zbuf_size; - - for (i = (png_size_t)skip; i > istop; i -= istop) - { - png_crc_read(png_ptr, png_ptr->zbuf, png_ptr->zbuf_size); - } - if (i) - { - png_crc_read(png_ptr, png_ptr->zbuf, i); - } - - if (png_crc_error(png_ptr)) - { - if (((png_ptr->chunk_name[0] & 0x20) && /* Ancillary */ - !(png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_NOWARN)) || - (!(png_ptr->chunk_name[0] & 0x20) && /* Critical */ - (png_ptr->flags & PNG_FLAG_CRC_CRITICAL_USE))) - { - png_chunk_warning(png_ptr, "CRC error"); - } - else - { - png_chunk_error(png_ptr, "CRC error"); - } - return (1); - } - - return (0); -} - -/* Compare the CRC stored in the PNG file with that calculated by libpng from - the data it has read thus far. */ -int /* PRIVATE */ -png_crc_error(png_structp png_ptr) -{ - png_byte crc_bytes[4]; - png_uint_32 crc; - int need_crc = 1; - - if (png_ptr->chunk_name[0] & 0x20) /* ancillary */ - { - if ((png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_MASK) == - (PNG_FLAG_CRC_ANCILLARY_USE | PNG_FLAG_CRC_ANCILLARY_NOWARN)) - need_crc = 0; - } - else /* critical */ - { - if (png_ptr->flags & PNG_FLAG_CRC_CRITICAL_IGNORE) - need_crc = 0; - } - - png_read_data(png_ptr, crc_bytes, 4); - - if (need_crc) - { - crc = png_get_uint_32(crc_bytes); - return ((int)(crc != png_ptr->crc)); - } - else - return (0); -} - -#if defined(PNG_READ_zTXt_SUPPORTED) || defined(PNG_READ_iTXt_SUPPORTED) || \ - defined(PNG_READ_iCCP_SUPPORTED) -/* - * Decompress trailing data in a chunk. The assumption is that chunkdata - * points at an allocated area holding the contents of a chunk with a - * trailing compressed part. What we get back is an allocated area - * holding the original prefix part and an uncompressed version of the - * trailing part (the malloc area passed in is freed). - */ -void /* PRIVATE */ -png_decompress_chunk(png_structp png_ptr, int comp_type, - png_size_t chunklength, - png_size_t prefix_size, png_size_t *newlength) -{ - static PNG_CONST char msg[] = "Error decoding compressed text"; - png_charp text; - png_size_t text_size; - - if (comp_type == PNG_COMPRESSION_TYPE_BASE) - { - int ret = Z_OK; - png_ptr->zstream.next_in = (png_bytep)(png_ptr->chunkdata + prefix_size); - png_ptr->zstream.avail_in = (uInt)(chunklength - prefix_size); - png_ptr->zstream.next_out = png_ptr->zbuf; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - - text_size = 0; - text = NULL; - - while (png_ptr->zstream.avail_in) - { - ret = inflate(&png_ptr->zstream, Z_PARTIAL_FLUSH); - if (ret != Z_OK && ret != Z_STREAM_END) - { - if (png_ptr->zstream.msg != NULL) - png_warning(png_ptr, png_ptr->zstream.msg); - else - png_warning(png_ptr, msg); - inflateReset(&png_ptr->zstream); - png_ptr->zstream.avail_in = 0; - - if (text == NULL) - { - text_size = prefix_size + png_sizeof(msg) + 1; - text = (png_charp)png_malloc_warn(png_ptr, text_size); - if (text == NULL) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - png_error(png_ptr, "Not enough memory to decompress chunk"); - } - png_memcpy(text, png_ptr->chunkdata, prefix_size); - } - - text[text_size - 1] = 0x00; - - /* Copy what we can of the error message into the text chunk */ - text_size = (png_size_t)(chunklength - - (text - png_ptr->chunkdata) - 1); - if (text_size > png_sizeof(msg)) - text_size = png_sizeof(msg); - png_memcpy(text + prefix_size, msg, text_size); - break; - } - if (!png_ptr->zstream.avail_out || ret == Z_STREAM_END) - { - if (text == NULL) - { - text_size = prefix_size + - png_ptr->zbuf_size - png_ptr->zstream.avail_out; - text = (png_charp)png_malloc_warn(png_ptr, text_size + 1); - if (text == NULL) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - png_error(png_ptr, - "Not enough memory to decompress chunk."); - } - png_memcpy(text + prefix_size, png_ptr->zbuf, - text_size - prefix_size); - png_memcpy(text, png_ptr->chunkdata, prefix_size); - *(text + text_size) = 0x00; - } - else - { - png_charp tmp; - - tmp = text; - text = (png_charp)png_malloc_warn(png_ptr, - (png_uint_32)(text_size + - png_ptr->zbuf_size - png_ptr->zstream.avail_out + 1)); - if (text == NULL) - { - png_free(png_ptr, tmp); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - png_error(png_ptr, - "Not enough memory to decompress chunk.."); - } - png_memcpy(text, tmp, text_size); - png_free(png_ptr, tmp); - png_memcpy(text + text_size, png_ptr->zbuf, - (png_ptr->zbuf_size - png_ptr->zstream.avail_out)); - text_size += png_ptr->zbuf_size - png_ptr->zstream.avail_out; - *(text + text_size) = 0x00; - } - if (ret == Z_STREAM_END) - break; - else - { - png_ptr->zstream.next_out = png_ptr->zbuf; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - } - } - } - if (ret != Z_STREAM_END) - { -#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE) - char umsg[52]; - - if (ret == Z_BUF_ERROR) - png_snprintf(umsg, 52, - "Buffer error in compressed datastream in %s chunk", - png_ptr->chunk_name); - else if (ret == Z_DATA_ERROR) - png_snprintf(umsg, 52, - "Data error in compressed datastream in %s chunk", - png_ptr->chunk_name); - else - png_snprintf(umsg, 52, - "Incomplete compressed datastream in %s chunk", - png_ptr->chunk_name); - png_warning(png_ptr, umsg); -#else - png_warning(png_ptr, - "Incomplete compressed datastream in chunk other than IDAT"); -#endif - text_size = prefix_size; - if (text == NULL) - { - text = (png_charp)png_malloc_warn(png_ptr, text_size+1); - if (text == NULL) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - png_error(png_ptr, "Not enough memory for text."); - } - png_memcpy(text, png_ptr->chunkdata, prefix_size); - } - *(text + text_size) = 0x00; - } - - inflateReset(&png_ptr->zstream); - png_ptr->zstream.avail_in = 0; - - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = text; - *newlength=text_size; - } - else /* if (comp_type != PNG_COMPRESSION_TYPE_BASE) */ - { -#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE) - char umsg[50]; - - png_snprintf(umsg, 50, "Unknown zTXt compression type %d", comp_type); - png_warning(png_ptr, umsg); -#else - png_warning(png_ptr, "Unknown zTXt compression type"); -#endif - - *(png_ptr->chunkdata + prefix_size) = 0x00; - *newlength = prefix_size; - } -} -#endif - -/* read and check the IDHR chunk */ -void /* PRIVATE */ -png_handle_IHDR(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_byte buf[13]; - png_uint_32 width, height; - int bit_depth, color_type, compression_type, filter_type; - int interlace_type; - - png_debug(1, "in png_handle_IHDR"); - - if (png_ptr->mode & PNG_HAVE_IHDR) - png_error(png_ptr, "Out of place IHDR"); - - /* check the length */ - if (length != 13) - png_error(png_ptr, "Invalid IHDR chunk"); - - png_ptr->mode |= PNG_HAVE_IHDR; - - png_crc_read(png_ptr, buf, 13); - png_crc_finish(png_ptr, 0); - - width = png_get_uint_31(png_ptr, buf); - height = png_get_uint_31(png_ptr, buf + 4); - bit_depth = buf[8]; - color_type = buf[9]; - compression_type = buf[10]; - filter_type = buf[11]; - interlace_type = buf[12]; - - /* set internal variables */ - png_ptr->width = width; - png_ptr->height = height; - png_ptr->bit_depth = (png_byte)bit_depth; - png_ptr->interlaced = (png_byte)interlace_type; - png_ptr->color_type = (png_byte)color_type; -#if defined(PNG_MNG_FEATURES_SUPPORTED) - png_ptr->filter_type = (png_byte)filter_type; -#endif - png_ptr->compression_type = (png_byte)compression_type; - - /* find number of channels */ - switch (png_ptr->color_type) - { - case PNG_COLOR_TYPE_GRAY: - case PNG_COLOR_TYPE_PALETTE: - png_ptr->channels = 1; - break; - case PNG_COLOR_TYPE_RGB: - png_ptr->channels = 3; - break; - case PNG_COLOR_TYPE_GRAY_ALPHA: - png_ptr->channels = 2; - break; - case PNG_COLOR_TYPE_RGB_ALPHA: - png_ptr->channels = 4; - break; - } - - /* set up other useful info */ - png_ptr->pixel_depth = (png_byte)(png_ptr->bit_depth * - png_ptr->channels); - png_ptr->rowbytes = PNG_ROWBYTES(png_ptr->pixel_depth, png_ptr->width); - png_debug1(3, "bit_depth = %d", png_ptr->bit_depth); - png_debug1(3, "channels = %d", png_ptr->channels); - png_debug1(3, "rowbytes = %lu", png_ptr->rowbytes); - png_set_IHDR(png_ptr, info_ptr, width, height, bit_depth, - color_type, interlace_type, compression_type, filter_type); -} - -/* read and check the palette */ -void /* PRIVATE */ -png_handle_PLTE(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_color palette[PNG_MAX_PALETTE_LENGTH]; - int num, i; -#ifndef PNG_NO_POINTER_INDEXING - png_colorp pal_ptr; -#endif - - png_debug(1, "in png_handle_PLTE"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before PLTE"); - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid PLTE after IDAT"); - png_crc_finish(png_ptr, length); - return; - } - else if (png_ptr->mode & PNG_HAVE_PLTE) - png_error(png_ptr, "Duplicate PLTE chunk"); - - png_ptr->mode |= PNG_HAVE_PLTE; - - if (!(png_ptr->color_type&PNG_COLOR_MASK_COLOR)) - { - png_warning(png_ptr, - "Ignoring PLTE chunk in grayscale PNG"); - png_crc_finish(png_ptr, length); - return; - } -#if !defined(PNG_READ_OPT_PLTE_SUPPORTED) - if (png_ptr->color_type != PNG_COLOR_TYPE_PALETTE) - { - png_crc_finish(png_ptr, length); - return; - } -#endif - - if (length > 3*PNG_MAX_PALETTE_LENGTH || length % 3) - { - if (png_ptr->color_type != PNG_COLOR_TYPE_PALETTE) - { - png_warning(png_ptr, "Invalid palette chunk"); - png_crc_finish(png_ptr, length); - return; - } - else - { - png_error(png_ptr, "Invalid palette chunk"); - } - } - - num = (int)length / 3; - -#ifndef PNG_NO_POINTER_INDEXING - for (i = 0, pal_ptr = palette; i < num; i++, pal_ptr++) - { - png_byte buf[3]; - - png_crc_read(png_ptr, buf, 3); - pal_ptr->red = buf[0]; - pal_ptr->green = buf[1]; - pal_ptr->blue = buf[2]; - } -#else - for (i = 0; i < num; i++) - { - png_byte buf[3]; - - png_crc_read(png_ptr, buf, 3); - /* don't depend upon png_color being any order */ - palette[i].red = buf[0]; - palette[i].green = buf[1]; - palette[i].blue = buf[2]; - } -#endif - - /* If we actually NEED the PLTE chunk (ie for a paletted image), we do - whatever the normal CRC configuration tells us. However, if we - have an RGB image, the PLTE can be considered ancillary, so - we will act as though it is. */ -#if !defined(PNG_READ_OPT_PLTE_SUPPORTED) - if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) -#endif - { - png_crc_finish(png_ptr, 0); - } -#if !defined(PNG_READ_OPT_PLTE_SUPPORTED) - else if (png_crc_error(png_ptr)) /* Only if we have a CRC error */ - { - /* If we don't want to use the data from an ancillary chunk, - we have two options: an error abort, or a warning and we - ignore the data in this chunk (which should be OK, since - it's considered ancillary for a RGB or RGBA image). */ - if (!(png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_USE)) - { - if (png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_NOWARN) - { - png_chunk_error(png_ptr, "CRC error"); - } - else - { - png_chunk_warning(png_ptr, "CRC error"); - return; - } - } - /* Otherwise, we (optionally) emit a warning and use the chunk. */ - else if (!(png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_NOWARN)) - { - png_chunk_warning(png_ptr, "CRC error"); - } - } -#endif - - png_set_PLTE(png_ptr, info_ptr, palette, num); - -#if defined(PNG_READ_tRNS_SUPPORTED) - if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - { - if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_tRNS)) - { - if (png_ptr->num_trans > (png_uint_16)num) - { - png_warning(png_ptr, "Truncating incorrect tRNS chunk length"); - png_ptr->num_trans = (png_uint_16)num; - } - if (info_ptr->num_trans > (png_uint_16)num) - { - png_warning(png_ptr, "Truncating incorrect info tRNS chunk length"); - info_ptr->num_trans = (png_uint_16)num; - } - } - } -#endif - -} - -void /* PRIVATE */ -png_handle_IEND(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_debug(1, "in png_handle_IEND"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR) || !(png_ptr->mode & PNG_HAVE_IDAT)) - { - png_error(png_ptr, "No image in file"); - } - - png_ptr->mode |= (PNG_AFTER_IDAT | PNG_HAVE_IEND); - - if (length != 0) - { - png_warning(png_ptr, "Incorrect IEND chunk length"); - } - png_crc_finish(png_ptr, length); - - info_ptr = info_ptr; /* quiet compiler warnings about unused info_ptr */ -} - -#if defined(PNG_READ_gAMA_SUPPORTED) -void /* PRIVATE */ -png_handle_gAMA(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_fixed_point igamma; -#ifdef PNG_FLOATING_POINT_SUPPORTED - float file_gamma; -#endif - png_byte buf[4]; - - png_debug(1, "in png_handle_gAMA"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before gAMA"); - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid gAMA after IDAT"); - png_crc_finish(png_ptr, length); - return; - } - else if (png_ptr->mode & PNG_HAVE_PLTE) - /* Should be an error, but we can cope with it */ - png_warning(png_ptr, "Out of place gAMA chunk"); - - if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA) -#if defined(PNG_READ_sRGB_SUPPORTED) - && !(info_ptr->valid & PNG_INFO_sRGB) -#endif - ) - { - png_warning(png_ptr, "Duplicate gAMA chunk"); - png_crc_finish(png_ptr, length); - return; - } - - if (length != 4) - { - png_warning(png_ptr, "Incorrect gAMA chunk length"); - png_crc_finish(png_ptr, length); - return; - } - - png_crc_read(png_ptr, buf, 4); - if (png_crc_finish(png_ptr, 0)) - return; - - igamma = (png_fixed_point)png_get_uint_32(buf); - /* check for zero gamma */ - if (igamma == 0) - { - png_warning(png_ptr, - "Ignoring gAMA chunk with gamma=0"); - return; - } - -#if defined(PNG_READ_sRGB_SUPPORTED) - if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sRGB)) - if (PNG_OUT_OF_RANGE(igamma, 45500L, 500)) - { - png_warning(png_ptr, - "Ignoring incorrect gAMA value when sRGB is also present"); -#ifndef PNG_NO_CONSOLE_IO - fprintf(stderr, "gamma = (%d/100000)", (int)igamma); -#endif - return; - } -#endif /* PNG_READ_sRGB_SUPPORTED */ - -#ifdef PNG_FLOATING_POINT_SUPPORTED - file_gamma = (float)igamma / (float)100000.0; -# ifdef PNG_READ_GAMMA_SUPPORTED - png_ptr->gamma = file_gamma; -# endif - png_set_gAMA(png_ptr, info_ptr, file_gamma); -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED - png_set_gAMA_fixed(png_ptr, info_ptr, igamma); -#endif -} -#endif - -#if defined(PNG_READ_sBIT_SUPPORTED) -void /* PRIVATE */ -png_handle_sBIT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_size_t truelen; - png_byte buf[4]; - - png_debug(1, "in png_handle_sBIT"); - - buf[0] = buf[1] = buf[2] = buf[3] = 0; - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before sBIT"); - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid sBIT after IDAT"); - png_crc_finish(png_ptr, length); - return; - } - else if (png_ptr->mode & PNG_HAVE_PLTE) - { - /* Should be an error, but we can cope with it */ - png_warning(png_ptr, "Out of place sBIT chunk"); - } - if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sBIT)) - { - png_warning(png_ptr, "Duplicate sBIT chunk"); - png_crc_finish(png_ptr, length); - return; - } - - if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - truelen = 3; - else - truelen = (png_size_t)png_ptr->channels; - - if (length != truelen || length > 4) - { - png_warning(png_ptr, "Incorrect sBIT chunk length"); - png_crc_finish(png_ptr, length); - return; - } - - png_crc_read(png_ptr, buf, truelen); - if (png_crc_finish(png_ptr, 0)) - return; - - if (png_ptr->color_type & PNG_COLOR_MASK_COLOR) - { - png_ptr->sig_bit.red = buf[0]; - png_ptr->sig_bit.green = buf[1]; - png_ptr->sig_bit.blue = buf[2]; - png_ptr->sig_bit.alpha = buf[3]; - } - else - { - png_ptr->sig_bit.gray = buf[0]; - png_ptr->sig_bit.red = buf[0]; - png_ptr->sig_bit.green = buf[0]; - png_ptr->sig_bit.blue = buf[0]; - png_ptr->sig_bit.alpha = buf[1]; - } - png_set_sBIT(png_ptr, info_ptr, &(png_ptr->sig_bit)); -} -#endif - -#if defined(PNG_READ_cHRM_SUPPORTED) -void /* PRIVATE */ -png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_byte buf[32]; -#ifdef PNG_FLOATING_POINT_SUPPORTED - float white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y; -#endif - png_fixed_point int_x_white, int_y_white, int_x_red, int_y_red, int_x_green, - int_y_green, int_x_blue, int_y_blue; - - png_uint_32 uint_x, uint_y; - - png_debug(1, "in png_handle_cHRM"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before cHRM"); - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid cHRM after IDAT"); - png_crc_finish(png_ptr, length); - return; - } - else if (png_ptr->mode & PNG_HAVE_PLTE) - /* Should be an error, but we can cope with it */ - png_warning(png_ptr, "Missing PLTE before cHRM"); - - if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM) -#if defined(PNG_READ_sRGB_SUPPORTED) - && !(info_ptr->valid & PNG_INFO_sRGB) -#endif - ) - { - png_warning(png_ptr, "Duplicate cHRM chunk"); - png_crc_finish(png_ptr, length); - return; - } - - if (length != 32) - { - png_warning(png_ptr, "Incorrect cHRM chunk length"); - png_crc_finish(png_ptr, length); - return; - } - - png_crc_read(png_ptr, buf, 32); - if (png_crc_finish(png_ptr, 0)) - return; - - uint_x = png_get_uint_32(buf); - uint_y = png_get_uint_32(buf + 4); - int_x_white = (png_fixed_point)uint_x; - int_y_white = (png_fixed_point)uint_y; - - uint_x = png_get_uint_32(buf + 8); - uint_y = png_get_uint_32(buf + 12); - int_x_red = (png_fixed_point)uint_x; - int_y_red = (png_fixed_point)uint_y; - - uint_x = png_get_uint_32(buf + 16); - uint_y = png_get_uint_32(buf + 20); - int_x_green = (png_fixed_point)uint_x; - int_y_green = (png_fixed_point)uint_y; - - uint_x = png_get_uint_32(buf + 24); - uint_y = png_get_uint_32(buf + 28); - int_x_blue = (png_fixed_point)uint_x; - int_y_blue = (png_fixed_point)uint_y; - -#ifdef PNG_FLOATING_POINT_SUPPORTED - white_x = (float)int_x_white / (float)100000.0; - white_y = (float)int_y_white / (float)100000.0; - red_x = (float)int_x_red / (float)100000.0; - red_y = (float)int_y_red / (float)100000.0; - green_x = (float)int_x_green / (float)100000.0; - green_y = (float)int_y_green / (float)100000.0; - blue_x = (float)int_x_blue / (float)100000.0; - blue_y = (float)int_y_blue / (float)100000.0; -#endif - -#if defined(PNG_READ_sRGB_SUPPORTED) - if ((info_ptr != NULL) && (info_ptr->valid & PNG_INFO_sRGB)) - { - if (PNG_OUT_OF_RANGE(int_x_white, 31270, 1000) || - PNG_OUT_OF_RANGE(int_y_white, 32900, 1000) || - PNG_OUT_OF_RANGE(int_x_red, 64000L, 1000) || - PNG_OUT_OF_RANGE(int_y_red, 33000, 1000) || - PNG_OUT_OF_RANGE(int_x_green, 30000, 1000) || - PNG_OUT_OF_RANGE(int_y_green, 60000L, 1000) || - PNG_OUT_OF_RANGE(int_x_blue, 15000, 1000) || - PNG_OUT_OF_RANGE(int_y_blue, 6000, 1000)) - { - png_warning(png_ptr, - "Ignoring incorrect cHRM value when sRGB is also present"); -#ifndef PNG_NO_CONSOLE_IO -#ifdef PNG_FLOATING_POINT_SUPPORTED - fprintf(stderr, "wx=%f, wy=%f, rx=%f, ry=%f\n", - white_x, white_y, red_x, red_y); - fprintf(stderr, "gx=%f, gy=%f, bx=%f, by=%f\n", - green_x, green_y, blue_x, blue_y); -#else - fprintf(stderr, "wx=%ld, wy=%ld, rx=%ld, ry=%ld\n", - int_x_white, int_y_white, int_x_red, int_y_red); - fprintf(stderr, "gx=%ld, gy=%ld, bx=%ld, by=%ld\n", - int_x_green, int_y_green, int_x_blue, int_y_blue); -#endif -#endif /* PNG_NO_CONSOLE_IO */ - } - return; - } -#endif /* PNG_READ_sRGB_SUPPORTED */ - -#ifdef PNG_FLOATING_POINT_SUPPORTED - png_set_cHRM(png_ptr, info_ptr, - white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y); -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED - png_set_cHRM_fixed(png_ptr, info_ptr, - int_x_white, int_y_white, int_x_red, int_y_red, int_x_green, - int_y_green, int_x_blue, int_y_blue); -#endif -} -#endif - -#if defined(PNG_READ_sRGB_SUPPORTED) -void /* PRIVATE */ -png_handle_sRGB(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - int intent; - png_byte buf[1]; - - png_debug(1, "in png_handle_sRGB"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before sRGB"); - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid sRGB after IDAT"); - png_crc_finish(png_ptr, length); - return; - } - else if (png_ptr->mode & PNG_HAVE_PLTE) - /* Should be an error, but we can cope with it */ - png_warning(png_ptr, "Out of place sRGB chunk"); - - if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sRGB)) - { - png_warning(png_ptr, "Duplicate sRGB chunk"); - png_crc_finish(png_ptr, length); - return; - } - - if (length != 1) - { - png_warning(png_ptr, "Incorrect sRGB chunk length"); - png_crc_finish(png_ptr, length); - return; - } - - png_crc_read(png_ptr, buf, 1); - if (png_crc_finish(png_ptr, 0)) - return; - - intent = buf[0]; - /* check for bad intent */ - if (intent >= PNG_sRGB_INTENT_LAST) - { - png_warning(png_ptr, "Unknown sRGB intent"); - return; - } - -#if defined(PNG_READ_gAMA_SUPPORTED) && defined(PNG_READ_GAMMA_SUPPORTED) - if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA)) - { - png_fixed_point igamma; -#ifdef PNG_FIXED_POINT_SUPPORTED - igamma=info_ptr->int_gamma; -#else -# ifdef PNG_FLOATING_POINT_SUPPORTED - igamma=(png_fixed_point)(info_ptr->gamma * 100000.); -# endif -#endif - if (PNG_OUT_OF_RANGE(igamma, 45500L, 500)) - { - png_warning(png_ptr, - "Ignoring incorrect gAMA value when sRGB is also present"); -#ifndef PNG_NO_CONSOLE_IO -# ifdef PNG_FIXED_POINT_SUPPORTED - fprintf(stderr, "incorrect gamma=(%d/100000)\n", - (int)png_ptr->int_gamma); -# else -# ifdef PNG_FLOATING_POINT_SUPPORTED - fprintf(stderr, "incorrect gamma=%f\n", png_ptr->gamma); -# endif -# endif -#endif - } - } -#endif /* PNG_READ_gAMA_SUPPORTED */ - -#ifdef PNG_READ_cHRM_SUPPORTED -#ifdef PNG_FIXED_POINT_SUPPORTED - if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM)) - if (PNG_OUT_OF_RANGE(info_ptr->int_x_white, 31270, 1000) || - PNG_OUT_OF_RANGE(info_ptr->int_y_white, 32900, 1000) || - PNG_OUT_OF_RANGE(info_ptr->int_x_red, 64000L, 1000) || - PNG_OUT_OF_RANGE(info_ptr->int_y_red, 33000, 1000) || - PNG_OUT_OF_RANGE(info_ptr->int_x_green, 30000, 1000) || - PNG_OUT_OF_RANGE(info_ptr->int_y_green, 60000L, 1000) || - PNG_OUT_OF_RANGE(info_ptr->int_x_blue, 15000, 1000) || - PNG_OUT_OF_RANGE(info_ptr->int_y_blue, 6000, 1000)) - { - png_warning(png_ptr, - "Ignoring incorrect cHRM value when sRGB is also present"); - } -#endif /* PNG_FIXED_POINT_SUPPORTED */ -#endif /* PNG_READ_cHRM_SUPPORTED */ - - png_set_sRGB_gAMA_and_cHRM(png_ptr, info_ptr, intent); -} -#endif /* PNG_READ_sRGB_SUPPORTED */ - -#if defined(PNG_READ_iCCP_SUPPORTED) -void /* PRIVATE */ -png_handle_iCCP(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -/* Note: this does not properly handle chunks that are > 64K under DOS */ -{ - png_byte compression_type; - png_bytep pC; - png_charp profile; - png_uint_32 skip = 0; - png_uint_32 profile_size, profile_length; - png_size_t slength, prefix_length, data_length; - - png_debug(1, "in png_handle_iCCP"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before iCCP"); - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid iCCP after IDAT"); - png_crc_finish(png_ptr, length); - return; - } - else if (png_ptr->mode & PNG_HAVE_PLTE) - /* Should be an error, but we can cope with it */ - png_warning(png_ptr, "Out of place iCCP chunk"); - - if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_iCCP)) - { - png_warning(png_ptr, "Duplicate iCCP chunk"); - png_crc_finish(png_ptr, length); - return; - } - -#ifdef PNG_MAX_MALLOC_64K - if (length > (png_uint_32)65535L) - { - png_warning(png_ptr, "iCCP chunk too large to fit in memory"); - skip = length - (png_uint_32)65535L; - length = (png_uint_32)65535L; - } -#endif - - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = (png_charp)png_malloc(png_ptr, length + 1); - slength = (png_size_t)length; - png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength); - - if (png_crc_finish(png_ptr, skip)) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - - png_ptr->chunkdata[slength] = 0x00; - - for (profile = png_ptr->chunkdata; *profile; profile++) - /* empty loop to find end of name */ ; - - ++profile; - - /* there should be at least one zero (the compression type byte) - following the separator, and we should be on it */ - if ( profile >= png_ptr->chunkdata + slength - 1) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - png_warning(png_ptr, "Malformed iCCP chunk"); - return; - } - - /* compression_type should always be zero */ - compression_type = *profile++; - if (compression_type) - { - png_warning(png_ptr, "Ignoring nonzero compression type in iCCP chunk"); - compression_type = 0x00; /* Reset it to zero (libpng-1.0.6 through 1.0.8 - wrote nonzero) */ - } - - prefix_length = profile - png_ptr->chunkdata; - png_decompress_chunk(png_ptr, compression_type, - slength, prefix_length, &data_length); - - profile_length = data_length - prefix_length; - - if ( prefix_length > data_length || profile_length < 4) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - png_warning(png_ptr, "Profile size field missing from iCCP chunk"); - return; - } - - /* Check the profile_size recorded in the first 32 bits of the ICC profile */ - pC = (png_bytep)(png_ptr->chunkdata + prefix_length); - profile_size = ((*(pC ))<<24) | - ((*(pC + 1))<<16) | - ((*(pC + 2))<< 8) | - ((*(pC + 3)) ); - - if (profile_size < profile_length) - profile_length = profile_size; - - if (profile_size > profile_length) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - png_warning(png_ptr, "Ignoring truncated iCCP profile."); - return; - } - - png_set_iCCP(png_ptr, info_ptr, png_ptr->chunkdata, - compression_type, png_ptr->chunkdata + prefix_length, profile_length); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; -} -#endif /* PNG_READ_iCCP_SUPPORTED */ - -#if defined(PNG_READ_sPLT_SUPPORTED) -void /* PRIVATE */ -png_handle_sPLT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -/* Note: this does not properly handle chunks that are > 64K under DOS */ -{ - png_bytep entry_start; - png_sPLT_t new_palette; -#ifdef PNG_NO_POINTER_INDEXING - png_sPLT_entryp pp; -#endif - int data_length, entry_size, i; - png_uint_32 skip = 0; - png_size_t slength; - - png_debug(1, "in png_handle_sPLT"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before sPLT"); - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid sPLT after IDAT"); - png_crc_finish(png_ptr, length); - return; - } - -#ifdef PNG_MAX_MALLOC_64K - if (length > (png_uint_32)65535L) - { - png_warning(png_ptr, "sPLT chunk too large to fit in memory"); - skip = length - (png_uint_32)65535L; - length = (png_uint_32)65535L; - } -#endif - - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = (png_charp)png_malloc(png_ptr, length + 1); - slength = (png_size_t)length; - png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength); - - if (png_crc_finish(png_ptr, skip)) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - - png_ptr->chunkdata[slength] = 0x00; - - for (entry_start = (png_bytep)png_ptr->chunkdata; *entry_start; entry_start++) - /* empty loop to find end of name */ ; - ++entry_start; - - /* a sample depth should follow the separator, and we should be on it */ - if (entry_start > (png_bytep)png_ptr->chunkdata + slength - 2) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - png_warning(png_ptr, "malformed sPLT chunk"); - return; - } - - new_palette.depth = *entry_start++; - entry_size = (new_palette.depth == 8 ? 6 : 10); - data_length = (slength - (entry_start - (png_bytep)png_ptr->chunkdata)); - - /* integrity-check the data length */ - if (data_length % entry_size) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - png_warning(png_ptr, "sPLT chunk has bad length"); - return; - } - - new_palette.nentries = (png_int_32) ( data_length / entry_size); - if ((png_uint_32) new_palette.nentries > - (png_uint_32) (PNG_SIZE_MAX / png_sizeof(png_sPLT_entry))) - { - png_warning(png_ptr, "sPLT chunk too long"); - return; - } - new_palette.entries = (png_sPLT_entryp)png_malloc_warn( - png_ptr, new_palette.nentries * png_sizeof(png_sPLT_entry)); - if (new_palette.entries == NULL) - { - png_warning(png_ptr, "sPLT chunk requires too much memory"); - return; - } - -#ifndef PNG_NO_POINTER_INDEXING - for (i = 0; i < new_palette.nentries; i++) - { - png_sPLT_entryp pp = new_palette.entries + i; - - if (new_palette.depth == 8) - { - pp->red = *entry_start++; - pp->green = *entry_start++; - pp->blue = *entry_start++; - pp->alpha = *entry_start++; - } - else - { - pp->red = png_get_uint_16(entry_start); entry_start += 2; - pp->green = png_get_uint_16(entry_start); entry_start += 2; - pp->blue = png_get_uint_16(entry_start); entry_start += 2; - pp->alpha = png_get_uint_16(entry_start); entry_start += 2; - } - pp->frequency = png_get_uint_16(entry_start); entry_start += 2; - } -#else - pp = new_palette.entries; - for (i = 0; i < new_palette.nentries; i++) - { - - if (new_palette.depth == 8) - { - pp[i].red = *entry_start++; - pp[i].green = *entry_start++; - pp[i].blue = *entry_start++; - pp[i].alpha = *entry_start++; - } - else - { - pp[i].red = png_get_uint_16(entry_start); entry_start += 2; - pp[i].green = png_get_uint_16(entry_start); entry_start += 2; - pp[i].blue = png_get_uint_16(entry_start); entry_start += 2; - pp[i].alpha = png_get_uint_16(entry_start); entry_start += 2; - } - pp->frequency = png_get_uint_16(entry_start); entry_start += 2; - } -#endif - - /* discard all chunk data except the name and stash that */ - new_palette.name = png_ptr->chunkdata; - - png_set_sPLT(png_ptr, info_ptr, &new_palette, 1); - - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - png_free(png_ptr, new_palette.entries); -} -#endif /* PNG_READ_sPLT_SUPPORTED */ - -#if defined(PNG_READ_tRNS_SUPPORTED) -void /* PRIVATE */ -png_handle_tRNS(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_byte readbuf[PNG_MAX_PALETTE_LENGTH]; - - png_debug(1, "in png_handle_tRNS"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before tRNS"); - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid tRNS after IDAT"); - png_crc_finish(png_ptr, length); - return; - } - else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_tRNS)) - { - png_warning(png_ptr, "Duplicate tRNS chunk"); - png_crc_finish(png_ptr, length); - return; - } - - if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY) - { - png_byte buf[2]; - - if (length != 2) - { - png_warning(png_ptr, "Incorrect tRNS chunk length"); - png_crc_finish(png_ptr, length); - return; - } - - png_crc_read(png_ptr, buf, 2); - png_ptr->num_trans = 1; - png_ptr->trans_values.gray = png_get_uint_16(buf); - } - else if (png_ptr->color_type == PNG_COLOR_TYPE_RGB) - { - png_byte buf[6]; - - if (length != 6) - { - png_warning(png_ptr, "Incorrect tRNS chunk length"); - png_crc_finish(png_ptr, length); - return; - } - png_crc_read(png_ptr, buf, (png_size_t)length); - png_ptr->num_trans = 1; - png_ptr->trans_values.red = png_get_uint_16(buf); - png_ptr->trans_values.green = png_get_uint_16(buf + 2); - png_ptr->trans_values.blue = png_get_uint_16(buf + 4); - } - else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - { - if (!(png_ptr->mode & PNG_HAVE_PLTE)) - { - /* Should be an error, but we can cope with it. */ - png_warning(png_ptr, "Missing PLTE before tRNS"); - } - if (length > (png_uint_32)png_ptr->num_palette || - length > PNG_MAX_PALETTE_LENGTH) - { - png_warning(png_ptr, "Incorrect tRNS chunk length"); - png_crc_finish(png_ptr, length); - return; - } - if (length == 0) - { - png_warning(png_ptr, "Zero length tRNS chunk"); - png_crc_finish(png_ptr, length); - return; - } - png_crc_read(png_ptr, readbuf, (png_size_t)length); - png_ptr->num_trans = (png_uint_16)length; - } - else - { - png_warning(png_ptr, "tRNS chunk not allowed with alpha channel"); - png_crc_finish(png_ptr, length); - return; - } - - if (png_crc_finish(png_ptr, 0)) - { - png_ptr->num_trans = 0; - return; - } - - png_set_tRNS(png_ptr, info_ptr, readbuf, png_ptr->num_trans, - &(png_ptr->trans_values)); -} -#endif - -#if defined(PNG_READ_bKGD_SUPPORTED) -void /* PRIVATE */ -png_handle_bKGD(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_size_t truelen; - png_byte buf[6]; - - png_debug(1, "in png_handle_bKGD"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before bKGD"); - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid bKGD after IDAT"); - png_crc_finish(png_ptr, length); - return; - } - else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE && - !(png_ptr->mode & PNG_HAVE_PLTE)) - { - png_warning(png_ptr, "Missing PLTE before bKGD"); - png_crc_finish(png_ptr, length); - return; - } - else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_bKGD)) - { - png_warning(png_ptr, "Duplicate bKGD chunk"); - png_crc_finish(png_ptr, length); - return; - } - - if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - truelen = 1; - else if (png_ptr->color_type & PNG_COLOR_MASK_COLOR) - truelen = 6; - else - truelen = 2; - - if (length != truelen) - { - png_warning(png_ptr, "Incorrect bKGD chunk length"); - png_crc_finish(png_ptr, length); - return; - } - - png_crc_read(png_ptr, buf, truelen); - if (png_crc_finish(png_ptr, 0)) - return; - - /* We convert the index value into RGB components so that we can allow - * arbitrary RGB values for background when we have transparency, and - * so it is easy to determine the RGB values of the background color - * from the info_ptr struct. */ - if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - { - png_ptr->background.index = buf[0]; - if (info_ptr && info_ptr->num_palette) - { - if (buf[0] >= info_ptr->num_palette) - { - png_warning(png_ptr, "Incorrect bKGD chunk index value"); - return; - } - png_ptr->background.red = - (png_uint_16)png_ptr->palette[buf[0]].red; - png_ptr->background.green = - (png_uint_16)png_ptr->palette[buf[0]].green; - png_ptr->background.blue = - (png_uint_16)png_ptr->palette[buf[0]].blue; - } - } - else if (!(png_ptr->color_type & PNG_COLOR_MASK_COLOR)) /* GRAY */ - { - png_ptr->background.red = - png_ptr->background.green = - png_ptr->background.blue = - png_ptr->background.gray = png_get_uint_16(buf); - } - else - { - png_ptr->background.red = png_get_uint_16(buf); - png_ptr->background.green = png_get_uint_16(buf + 2); - png_ptr->background.blue = png_get_uint_16(buf + 4); - } - - png_set_bKGD(png_ptr, info_ptr, &(png_ptr->background)); -} -#endif - -#if defined(PNG_READ_hIST_SUPPORTED) -void /* PRIVATE */ -png_handle_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - unsigned int num, i; - png_uint_16 readbuf[PNG_MAX_PALETTE_LENGTH]; - - png_debug(1, "in png_handle_hIST"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before hIST"); - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid hIST after IDAT"); - png_crc_finish(png_ptr, length); - return; - } - else if (!(png_ptr->mode & PNG_HAVE_PLTE)) - { - png_warning(png_ptr, "Missing PLTE before hIST"); - png_crc_finish(png_ptr, length); - return; - } - else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_hIST)) - { - png_warning(png_ptr, "Duplicate hIST chunk"); - png_crc_finish(png_ptr, length); - return; - } - - num = length / 2 ; - if (num != (unsigned int) png_ptr->num_palette || num > - (unsigned int) PNG_MAX_PALETTE_LENGTH) - { - png_warning(png_ptr, "Incorrect hIST chunk length"); - png_crc_finish(png_ptr, length); - return; - } - - for (i = 0; i < num; i++) - { - png_byte buf[2]; - - png_crc_read(png_ptr, buf, 2); - readbuf[i] = png_get_uint_16(buf); - } - - if (png_crc_finish(png_ptr, 0)) - return; - - png_set_hIST(png_ptr, info_ptr, readbuf); -} -#endif - -#if defined(PNG_READ_pHYs_SUPPORTED) -void /* PRIVATE */ -png_handle_pHYs(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_byte buf[9]; - png_uint_32 res_x, res_y; - int unit_type; - - png_debug(1, "in png_handle_pHYs"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before pHYs"); - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid pHYs after IDAT"); - png_crc_finish(png_ptr, length); - return; - } - else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_pHYs)) - { - png_warning(png_ptr, "Duplicate pHYs chunk"); - png_crc_finish(png_ptr, length); - return; - } - - if (length != 9) - { - png_warning(png_ptr, "Incorrect pHYs chunk length"); - png_crc_finish(png_ptr, length); - return; - } - - png_crc_read(png_ptr, buf, 9); - if (png_crc_finish(png_ptr, 0)) - return; - - res_x = png_get_uint_32(buf); - res_y = png_get_uint_32(buf + 4); - unit_type = buf[8]; - png_set_pHYs(png_ptr, info_ptr, res_x, res_y, unit_type); -} -#endif - -#if defined(PNG_READ_oFFs_SUPPORTED) -void /* PRIVATE */ -png_handle_oFFs(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_byte buf[9]; - png_int_32 offset_x, offset_y; - int unit_type; - - png_debug(1, "in png_handle_oFFs"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before oFFs"); - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid oFFs after IDAT"); - png_crc_finish(png_ptr, length); - return; - } - else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_oFFs)) - { - png_warning(png_ptr, "Duplicate oFFs chunk"); - png_crc_finish(png_ptr, length); - return; - } - - if (length != 9) - { - png_warning(png_ptr, "Incorrect oFFs chunk length"); - png_crc_finish(png_ptr, length); - return; - } - - png_crc_read(png_ptr, buf, 9); - if (png_crc_finish(png_ptr, 0)) - return; - - offset_x = png_get_int_32(buf); - offset_y = png_get_int_32(buf + 4); - unit_type = buf[8]; - png_set_oFFs(png_ptr, info_ptr, offset_x, offset_y, unit_type); -} -#endif - -#if defined(PNG_READ_pCAL_SUPPORTED) -/* read the pCAL chunk (described in the PNG Extensions document) */ -void /* PRIVATE */ -png_handle_pCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_int_32 X0, X1; - png_byte type, nparams; - png_charp buf, units, endptr; - png_charpp params; - png_size_t slength; - int i; - - png_debug(1, "in png_handle_pCAL"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before pCAL"); - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid pCAL after IDAT"); - png_crc_finish(png_ptr, length); - return; - } - else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_pCAL)) - { - png_warning(png_ptr, "Duplicate pCAL chunk"); - png_crc_finish(png_ptr, length); - return; - } - - png_debug1(2, "Allocating and reading pCAL chunk data (%lu bytes)", - length + 1); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1); - if (png_ptr->chunkdata == NULL) - { - png_warning(png_ptr, "No memory for pCAL purpose."); - return; - } - slength = (png_size_t)length; - png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength); - - if (png_crc_finish(png_ptr, 0)) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - - png_ptr->chunkdata[slength] = 0x00; /* null terminate the last string */ - - png_debug(3, "Finding end of pCAL purpose string"); - for (buf = png_ptr->chunkdata; *buf; buf++) - /* empty loop */ ; - - endptr = png_ptr->chunkdata + slength; - - /* We need to have at least 12 bytes after the purpose string - in order to get the parameter information. */ - if (endptr <= buf + 12) - { - png_warning(png_ptr, "Invalid pCAL data"); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - - png_debug(3, "Reading pCAL X0, X1, type, nparams, and units"); - X0 = png_get_int_32((png_bytep)buf+1); - X1 = png_get_int_32((png_bytep)buf+5); - type = buf[9]; - nparams = buf[10]; - units = buf + 11; - - png_debug(3, "Checking pCAL equation type and number of parameters"); - /* Check that we have the right number of parameters for known - equation types. */ - if ((type == PNG_EQUATION_LINEAR && nparams != 2) || - (type == PNG_EQUATION_BASE_E && nparams != 3) || - (type == PNG_EQUATION_ARBITRARY && nparams != 3) || - (type == PNG_EQUATION_HYPERBOLIC && nparams != 4)) - { - png_warning(png_ptr, "Invalid pCAL parameters for equation type"); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - else if (type >= PNG_EQUATION_LAST) - { - png_warning(png_ptr, "Unrecognized equation type for pCAL chunk"); - } - - for (buf = units; *buf; buf++) - /* Empty loop to move past the units string. */ ; - - png_debug(3, "Allocating pCAL parameters array"); - params = (png_charpp)png_malloc_warn(png_ptr, - (png_uint_32)(nparams * png_sizeof(png_charp))) ; - if (params == NULL) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - png_warning(png_ptr, "No memory for pCAL params."); - return; - } - - /* Get pointers to the start of each parameter string. */ - for (i = 0; i < (int)nparams; i++) - { - buf++; /* Skip the null string terminator from previous parameter. */ - - png_debug1(3, "Reading pCAL parameter %d", i); - for (params[i] = buf; buf <= endptr && *buf != 0x00; buf++) - /* Empty loop to move past each parameter string */ ; - - /* Make sure we haven't run out of data yet */ - if (buf > endptr) - { - png_warning(png_ptr, "Invalid pCAL data"); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - png_free(png_ptr, params); - return; - } - } - - png_set_pCAL(png_ptr, info_ptr, png_ptr->chunkdata, X0, X1, type, nparams, - units, params); - - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - png_free(png_ptr, params); -} -#endif - -#if defined(PNG_READ_sCAL_SUPPORTED) -/* read the sCAL chunk */ -void /* PRIVATE */ -png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_charp ep; -#ifdef PNG_FLOATING_POINT_SUPPORTED - double width, height; - png_charp vp; -#else -#ifdef PNG_FIXED_POINT_SUPPORTED - png_charp swidth, sheight; -#endif -#endif - png_size_t slength; - - png_debug(1, "in png_handle_sCAL"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before sCAL"); - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid sCAL after IDAT"); - png_crc_finish(png_ptr, length); - return; - } - else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sCAL)) - { - png_warning(png_ptr, "Duplicate sCAL chunk"); - png_crc_finish(png_ptr, length); - return; - } - - png_debug1(2, "Allocating and reading sCAL chunk data (%lu bytes)", - length + 1); - png_ptr->chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1); - if (png_ptr->chunkdata == NULL) - { - png_warning(png_ptr, "Out of memory while processing sCAL chunk"); - return; - } - slength = (png_size_t)length; - png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength); - - if (png_crc_finish(png_ptr, 0)) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - - png_ptr->chunkdata[slength] = 0x00; /* null terminate the last string */ - - ep = png_ptr->chunkdata + 1; /* skip unit byte */ - -#ifdef PNG_FLOATING_POINT_SUPPORTED - width = png_strtod(png_ptr, ep, &vp); - if (*vp) - { - png_warning(png_ptr, "malformed width string in sCAL chunk"); - return; - } -#else -#ifdef PNG_FIXED_POINT_SUPPORTED - swidth = (png_charp)png_malloc_warn(png_ptr, png_strlen(ep) + 1); - if (swidth == NULL) - { - png_warning(png_ptr, "Out of memory while processing sCAL chunk width"); - return; - } - png_memcpy(swidth, ep, (png_size_t)png_strlen(ep)); -#endif -#endif - - for (ep = png_ptr->chunkdata; *ep; ep++) - /* empty loop */ ; - ep++; - - if (png_ptr->chunkdata + slength < ep) - { - png_warning(png_ptr, "Truncated sCAL chunk"); -#if defined(PNG_FIXED_POINT_SUPPORTED) && \ - !defined(PNG_FLOATING_POINT_SUPPORTED) - png_free(png_ptr, swidth); -#endif - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - -#ifdef PNG_FLOATING_POINT_SUPPORTED - height = png_strtod(png_ptr, ep, &vp); - if (*vp) - { - png_warning(png_ptr, "malformed height string in sCAL chunk"); - return; - } -#else -#ifdef PNG_FIXED_POINT_SUPPORTED - sheight = (png_charp)png_malloc_warn(png_ptr, png_strlen(ep) + 1); - if (sheight == NULL) - { - png_warning(png_ptr, "Out of memory while processing sCAL chunk height"); - return; - } - png_memcpy(sheight, ep, (png_size_t)png_strlen(ep)); -#endif -#endif - - if (png_ptr->chunkdata + slength < ep -#ifdef PNG_FLOATING_POINT_SUPPORTED - || width <= 0. || height <= 0. -#endif - ) - { - png_warning(png_ptr, "Invalid sCAL data"); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; -#if defined(PNG_FIXED_POINT_SUPPORTED) && !defined(PNG_FLOATING_POINT_SUPPORTED) - png_free(png_ptr, swidth); - png_free(png_ptr, sheight); -#endif - return; - } - - -#ifdef PNG_FLOATING_POINT_SUPPORTED - png_set_sCAL(png_ptr, info_ptr, png_ptr->chunkdata[0], width, height); -#else -#ifdef PNG_FIXED_POINT_SUPPORTED - png_set_sCAL_s(png_ptr, info_ptr, png_ptr->chunkdata[0], swidth, sheight); -#endif -#endif - - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; -#if defined(PNG_FIXED_POINT_SUPPORTED) && !defined(PNG_FLOATING_POINT_SUPPORTED) - png_free(png_ptr, swidth); - png_free(png_ptr, sheight); -#endif -} -#endif - -#if defined(PNG_READ_tIME_SUPPORTED) -void /* PRIVATE */ -png_handle_tIME(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_byte buf[7]; - png_time mod_time; - - png_debug(1, "in png_handle_tIME"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Out of place tIME chunk"); - else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_tIME)) - { - png_warning(png_ptr, "Duplicate tIME chunk"); - png_crc_finish(png_ptr, length); - return; - } - - if (png_ptr->mode & PNG_HAVE_IDAT) - png_ptr->mode |= PNG_AFTER_IDAT; - - if (length != 7) - { - png_warning(png_ptr, "Incorrect tIME chunk length"); - png_crc_finish(png_ptr, length); - return; - } - - png_crc_read(png_ptr, buf, 7); - if (png_crc_finish(png_ptr, 0)) - return; - - mod_time.second = buf[6]; - mod_time.minute = buf[5]; - mod_time.hour = buf[4]; - mod_time.day = buf[3]; - mod_time.month = buf[2]; - mod_time.year = png_get_uint_16(buf); - - png_set_tIME(png_ptr, info_ptr, &mod_time); -} -#endif - -#if defined(PNG_READ_tEXt_SUPPORTED) -/* Note: this does not properly handle chunks that are > 64K under DOS */ -void /* PRIVATE */ -png_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_textp text_ptr; - png_charp key; - png_charp text; - png_uint_32 skip = 0; - png_size_t slength; - int ret; - - png_debug(1, "in png_handle_tEXt"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before tEXt"); - - if (png_ptr->mode & PNG_HAVE_IDAT) - png_ptr->mode |= PNG_AFTER_IDAT; - -#ifdef PNG_MAX_MALLOC_64K - if (length > (png_uint_32)65535L) - { - png_warning(png_ptr, "tEXt chunk too large to fit in memory"); - skip = length - (png_uint_32)65535L; - length = (png_uint_32)65535L; - } -#endif - - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1); - if (png_ptr->chunkdata == NULL) - { - png_warning(png_ptr, "No memory to process text chunk."); - return; - } - slength = (png_size_t)length; - png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength); - - if (png_crc_finish(png_ptr, skip)) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - - key = png_ptr->chunkdata; - key[slength] = 0x00; - - for (text = key; *text; text++) - /* empty loop to find end of key */ ; - - if (text != key + slength) - text++; - - text_ptr = (png_textp)png_malloc_warn(png_ptr, - (png_uint_32)png_sizeof(png_text)); - if (text_ptr == NULL) - { - png_warning(png_ptr, "Not enough memory to process text chunk."); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - text_ptr->compression = PNG_TEXT_COMPRESSION_NONE; - text_ptr->key = key; -#ifdef PNG_iTXt_SUPPORTED - text_ptr->lang = NULL; - text_ptr->lang_key = NULL; - text_ptr->itxt_length = 0; -#endif - text_ptr->text = text; - text_ptr->text_length = png_strlen(text); - - ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1); - - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - png_free(png_ptr, text_ptr); - if (ret) - png_warning(png_ptr, "Insufficient memory to process text chunk."); -} -#endif - -#if defined(PNG_READ_zTXt_SUPPORTED) -/* note: this does not correctly handle chunks that are > 64K under DOS */ -void /* PRIVATE */ -png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_textp text_ptr; - png_charp text; - int comp_type; - int ret; - png_size_t slength, prefix_len, data_len; - - png_debug(1, "in png_handle_zTXt"); - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before zTXt"); - - if (png_ptr->mode & PNG_HAVE_IDAT) - png_ptr->mode |= PNG_AFTER_IDAT; - -#ifdef PNG_MAX_MALLOC_64K - /* We will no doubt have problems with chunks even half this size, but - there is no hard and fast rule to tell us where to stop. */ - if (length > (png_uint_32)65535L) - { - png_warning(png_ptr, "zTXt chunk too large to fit in memory"); - png_crc_finish(png_ptr, length); - return; - } -#endif - - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1); - if (png_ptr->chunkdata == NULL) - { - png_warning(png_ptr, "Out of memory processing zTXt chunk."); - return; - } - slength = (png_size_t)length; - png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength); - if (png_crc_finish(png_ptr, 0)) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - - png_ptr->chunkdata[slength] = 0x00; - - for (text = png_ptr->chunkdata; *text; text++) - /* empty loop */ ; - - /* zTXt must have some text after the chunkdataword */ - if (text >= png_ptr->chunkdata + slength - 2) - { - png_warning(png_ptr, "Truncated zTXt chunk"); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - else - { - comp_type = *(++text); - if (comp_type != PNG_TEXT_COMPRESSION_zTXt) - { - png_warning(png_ptr, "Unknown compression type in zTXt chunk"); - comp_type = PNG_TEXT_COMPRESSION_zTXt; - } - text++; /* skip the compression_method byte */ - } - prefix_len = text - png_ptr->chunkdata; - - png_decompress_chunk(png_ptr, comp_type, - (png_size_t)length, prefix_len, &data_len); - - text_ptr = (png_textp)png_malloc_warn(png_ptr, - (png_uint_32)png_sizeof(png_text)); - if (text_ptr == NULL) - { - png_warning(png_ptr, "Not enough memory to process zTXt chunk."); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - text_ptr->compression = comp_type; - text_ptr->key = png_ptr->chunkdata; -#ifdef PNG_iTXt_SUPPORTED - text_ptr->lang = NULL; - text_ptr->lang_key = NULL; - text_ptr->itxt_length = 0; -#endif - text_ptr->text = png_ptr->chunkdata + prefix_len; - text_ptr->text_length = data_len; - - ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1); - - png_free(png_ptr, text_ptr); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - if (ret) - png_error(png_ptr, "Insufficient memory to store zTXt chunk."); -} -#endif - -#if defined(PNG_READ_iTXt_SUPPORTED) -/* note: this does not correctly handle chunks that are > 64K under DOS */ -void /* PRIVATE */ -png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_textp text_ptr; - png_charp key, lang, text, lang_key; - int comp_flag; - int comp_type = 0; - int ret; - png_size_t slength, prefix_len, data_len; - - png_debug(1, "in png_handle_iTXt"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - png_error(png_ptr, "Missing IHDR before iTXt"); - - if (png_ptr->mode & PNG_HAVE_IDAT) - png_ptr->mode |= PNG_AFTER_IDAT; - -#ifdef PNG_MAX_MALLOC_64K - /* We will no doubt have problems with chunks even half this size, but - there is no hard and fast rule to tell us where to stop. */ - if (length > (png_uint_32)65535L) - { - png_warning(png_ptr, "iTXt chunk too large to fit in memory"); - png_crc_finish(png_ptr, length); - return; - } -#endif - - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1); - if (png_ptr->chunkdata == NULL) - { - png_warning(png_ptr, "No memory to process iTXt chunk."); - return; - } - slength = (png_size_t)length; - png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength); - if (png_crc_finish(png_ptr, 0)) - { - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - - png_ptr->chunkdata[slength] = 0x00; - - for (lang = png_ptr->chunkdata; *lang; lang++) - /* empty loop */ ; - lang++; /* skip NUL separator */ - - /* iTXt must have a language tag (possibly empty), two compression bytes, - translated keyword (possibly empty), and possibly some text after the - keyword */ - - if (lang >= png_ptr->chunkdata + slength - 3) - { - png_warning(png_ptr, "Truncated iTXt chunk"); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - else - { - comp_flag = *lang++; - comp_type = *lang++; - } - - for (lang_key = lang; *lang_key; lang_key++) - /* empty loop */ ; - lang_key++; /* skip NUL separator */ - - if (lang_key >= png_ptr->chunkdata + slength) - { - png_warning(png_ptr, "Truncated iTXt chunk"); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - - for (text = lang_key; *text; text++) - /* empty loop */ ; - text++; /* skip NUL separator */ - if (text >= png_ptr->chunkdata + slength) - { - png_warning(png_ptr, "Malformed iTXt chunk"); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - - prefix_len = text - png_ptr->chunkdata; - - key=png_ptr->chunkdata; - if (comp_flag) - png_decompress_chunk(png_ptr, comp_type, - (size_t)length, prefix_len, &data_len); - else - data_len = png_strlen(png_ptr->chunkdata + prefix_len); - text_ptr = (png_textp)png_malloc_warn(png_ptr, - (png_uint_32)png_sizeof(png_text)); - if (text_ptr == NULL) - { - png_warning(png_ptr, "Not enough memory to process iTXt chunk."); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - return; - } - text_ptr->compression = (int)comp_flag + 1; - text_ptr->lang_key = png_ptr->chunkdata + (lang_key - key); - text_ptr->lang = png_ptr->chunkdata + (lang - key); - text_ptr->itxt_length = data_len; - text_ptr->text_length = 0; - text_ptr->key = png_ptr->chunkdata; - text_ptr->text = png_ptr->chunkdata + prefix_len; - - ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1); - - png_free(png_ptr, text_ptr); - png_free(png_ptr, png_ptr->chunkdata); - png_ptr->chunkdata = NULL; - if (ret) - png_error(png_ptr, "Insufficient memory to store iTXt chunk."); -} -#endif - -/* This function is called when we haven't found a handler for a - chunk. If there isn't a problem with the chunk itself (ie bad - chunk name, CRC, or a critical chunk), the chunk is silently ignored - -- unless the PNG_FLAG_UNKNOWN_CHUNKS_SUPPORTED flag is on in which - case it will be saved away to be written out later. */ -void /* PRIVATE */ -png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_uint_32 skip = 0; - - png_debug(1, "in png_handle_unknown"); - - if (png_ptr->mode & PNG_HAVE_IDAT) - { -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_CONST PNG_IDAT; -#endif - if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) /* not an IDAT */ - png_ptr->mode |= PNG_AFTER_IDAT; - } - - if (!(png_ptr->chunk_name[0] & 0x20)) - { -#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) - if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name) != - PNG_HANDLE_CHUNK_ALWAYS -#if defined(PNG_READ_USER_CHUNKS_SUPPORTED) - && png_ptr->read_user_chunk_fn == NULL -#endif - ) -#endif - png_chunk_error(png_ptr, "unknown critical chunk"); - } - -#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) - if ((png_ptr->flags & PNG_FLAG_KEEP_UNKNOWN_CHUNKS) || - (png_ptr->read_user_chunk_fn != NULL)) - { -#ifdef PNG_MAX_MALLOC_64K - if (length > (png_uint_32)65535L) - { - png_warning(png_ptr, "unknown chunk too large to fit in memory"); - skip = length - (png_uint_32)65535L; - length = (png_uint_32)65535L; - } -#endif - png_memcpy((png_charp)png_ptr->unknown_chunk.name, - (png_charp)png_ptr->chunk_name, - png_sizeof(png_ptr->unknown_chunk.name)); - png_ptr->unknown_chunk.name[png_sizeof(png_ptr->unknown_chunk.name)-1] = '\0'; - png_ptr->unknown_chunk.size = (png_size_t)length; - if (length == 0) - png_ptr->unknown_chunk.data = NULL; - else - { - png_ptr->unknown_chunk.data = (png_bytep)png_malloc(png_ptr, length); - png_crc_read(png_ptr, (png_bytep)png_ptr->unknown_chunk.data, length); - } -#if defined(PNG_READ_USER_CHUNKS_SUPPORTED) - if (png_ptr->read_user_chunk_fn != NULL) - { - /* callback to user unknown chunk handler */ - int ret; - ret = (*(png_ptr->read_user_chunk_fn)) - (png_ptr, &png_ptr->unknown_chunk); - if (ret < 0) - png_chunk_error(png_ptr, "error in user chunk"); - if (ret == 0) - { - if (!(png_ptr->chunk_name[0] & 0x20)) - if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name) != - PNG_HANDLE_CHUNK_ALWAYS) - png_chunk_error(png_ptr, "unknown critical chunk"); - png_set_unknown_chunks(png_ptr, info_ptr, - &png_ptr->unknown_chunk, 1); - } - } - else -#endif - png_set_unknown_chunks(png_ptr, info_ptr, &png_ptr->unknown_chunk, 1); - png_free(png_ptr, png_ptr->unknown_chunk.data); - png_ptr->unknown_chunk.data = NULL; - } - else -#endif - skip = length; - - png_crc_finish(png_ptr, skip); - -#if !defined(PNG_READ_USER_CHUNKS_SUPPORTED) - info_ptr = info_ptr; /* quiet compiler warnings about unused info_ptr */ -#endif -} - -/* This function is called to verify that a chunk name is valid. - This function can't have the "critical chunk check" incorporated - into it, since in the future we will need to be able to call user - functions to handle unknown critical chunks after we check that - the chunk name itself is valid. */ - -#define isnonalpha(c) ((c) < 65 || (c) > 122 || ((c) > 90 && (c) < 97)) - -void /* PRIVATE */ -png_check_chunk_name(png_structp png_ptr, png_bytep chunk_name) -{ - png_debug(1, "in png_check_chunk_name"); - if (isnonalpha(chunk_name[0]) || isnonalpha(chunk_name[1]) || - isnonalpha(chunk_name[2]) || isnonalpha(chunk_name[3])) - { - png_chunk_error(png_ptr, "invalid chunk type"); - } -} - -/* Combines the row recently read in with the existing pixels in the - row. This routine takes care of alpha and transparency if requested. - This routine also handles the two methods of progressive display - of interlaced images, depending on the mask value. - The mask value describes which pixels are to be combined with - the row. The pattern always repeats every 8 pixels, so just 8 - bits are needed. A one indicates the pixel is to be combined, - a zero indicates the pixel is to be skipped. This is in addition - to any alpha or transparency value associated with the pixel. If - you want all pixels to be combined, pass 0xff (255) in mask. */ - -void /* PRIVATE */ -png_combine_row(png_structp png_ptr, png_bytep row, int mask) -{ - png_debug(1, "in png_combine_row"); - if (mask == 0xff) - { - png_memcpy(row, png_ptr->row_buf + 1, - PNG_ROWBYTES(png_ptr->row_info.pixel_depth, png_ptr->width)); - } - else - { - switch (png_ptr->row_info.pixel_depth) - { - case 1: - { - png_bytep sp = png_ptr->row_buf + 1; - png_bytep dp = row; - int s_inc, s_start, s_end; - int m = 0x80; - int shift; - png_uint_32 i; - png_uint_32 row_width = png_ptr->width; - -#if defined(PNG_READ_PACKSWAP_SUPPORTED) - if (png_ptr->transformations & PNG_PACKSWAP) - { - s_start = 0; - s_end = 7; - s_inc = 1; - } - else -#endif - { - s_start = 7; - s_end = 0; - s_inc = -1; - } - - shift = s_start; - - for (i = 0; i < row_width; i++) - { - if (m & mask) - { - int value; - - value = (*sp >> shift) & 0x01; - *dp &= (png_byte)((0x7f7f >> (7 - shift)) & 0xff); - *dp |= (png_byte)(value << shift); - } - - if (shift == s_end) - { - shift = s_start; - sp++; - dp++; - } - else - shift += s_inc; - - if (m == 1) - m = 0x80; - else - m >>= 1; - } - break; - } - case 2: - { - png_bytep sp = png_ptr->row_buf + 1; - png_bytep dp = row; - int s_start, s_end, s_inc; - int m = 0x80; - int shift; - png_uint_32 i; - png_uint_32 row_width = png_ptr->width; - int value; - -#if defined(PNG_READ_PACKSWAP_SUPPORTED) - if (png_ptr->transformations & PNG_PACKSWAP) - { - s_start = 0; - s_end = 6; - s_inc = 2; - } - else -#endif - { - s_start = 6; - s_end = 0; - s_inc = -2; - } - - shift = s_start; - - for (i = 0; i < row_width; i++) - { - if (m & mask) - { - value = (*sp >> shift) & 0x03; - *dp &= (png_byte)((0x3f3f >> (6 - shift)) & 0xff); - *dp |= (png_byte)(value << shift); - } - - if (shift == s_end) - { - shift = s_start; - sp++; - dp++; - } - else - shift += s_inc; - if (m == 1) - m = 0x80; - else - m >>= 1; - } - break; - } - case 4: - { - png_bytep sp = png_ptr->row_buf + 1; - png_bytep dp = row; - int s_start, s_end, s_inc; - int m = 0x80; - int shift; - png_uint_32 i; - png_uint_32 row_width = png_ptr->width; - int value; - -#if defined(PNG_READ_PACKSWAP_SUPPORTED) - if (png_ptr->transformations & PNG_PACKSWAP) - { - s_start = 0; - s_end = 4; - s_inc = 4; - } - else -#endif - { - s_start = 4; - s_end = 0; - s_inc = -4; - } - shift = s_start; - - for (i = 0; i < row_width; i++) - { - if (m & mask) - { - value = (*sp >> shift) & 0xf; - *dp &= (png_byte)((0xf0f >> (4 - shift)) & 0xff); - *dp |= (png_byte)(value << shift); - } - - if (shift == s_end) - { - shift = s_start; - sp++; - dp++; - } - else - shift += s_inc; - if (m == 1) - m = 0x80; - else - m >>= 1; - } - break; - } - default: - { - png_bytep sp = png_ptr->row_buf + 1; - png_bytep dp = row; - png_size_t pixel_bytes = (png_ptr->row_info.pixel_depth >> 3); - png_uint_32 i; - png_uint_32 row_width = png_ptr->width; - png_byte m = 0x80; - - - for (i = 0; i < row_width; i++) - { - if (m & mask) - { - png_memcpy(dp, sp, pixel_bytes); - } - - sp += pixel_bytes; - dp += pixel_bytes; - - if (m == 1) - m = 0x80; - else - m >>= 1; - } - break; - } - } - } -} - -#ifdef PNG_READ_INTERLACING_SUPPORTED -/* OLD pre-1.0.9 interface: -void png_do_read_interlace(png_row_infop row_info, png_bytep row, int pass, - png_uint_32 transformations) - */ -void /* PRIVATE */ -png_do_read_interlace(png_structp png_ptr) -{ - png_row_infop row_info = &(png_ptr->row_info); - png_bytep row = png_ptr->row_buf + 1; - int pass = png_ptr->pass; - png_uint_32 transformations = png_ptr->transformations; -#ifdef PNG_USE_LOCAL_ARRAYS - /* arrays to facilitate easy interlacing - use pass (0 - 6) as index */ - /* offset to next interlace block */ - PNG_CONST int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1}; -#endif - - png_debug(1, "in png_do_read_interlace"); - if (row != NULL && row_info != NULL) - { - png_uint_32 final_width; - - final_width = row_info->width * png_pass_inc[pass]; - - switch (row_info->pixel_depth) - { - case 1: - { - png_bytep sp = row + (png_size_t)((row_info->width - 1) >> 3); - png_bytep dp = row + (png_size_t)((final_width - 1) >> 3); - int sshift, dshift; - int s_start, s_end, s_inc; - int jstop = png_pass_inc[pass]; - png_byte v; - png_uint_32 i; - int j; - -#if defined(PNG_READ_PACKSWAP_SUPPORTED) - if (transformations & PNG_PACKSWAP) - { - sshift = (int)((row_info->width + 7) & 0x07); - dshift = (int)((final_width + 7) & 0x07); - s_start = 7; - s_end = 0; - s_inc = -1; - } - else -#endif - { - sshift = 7 - (int)((row_info->width + 7) & 0x07); - dshift = 7 - (int)((final_width + 7) & 0x07); - s_start = 0; - s_end = 7; - s_inc = 1; - } - - for (i = 0; i < row_info->width; i++) - { - v = (png_byte)((*sp >> sshift) & 0x01); - for (j = 0; j < jstop; j++) - { - *dp &= (png_byte)((0x7f7f >> (7 - dshift)) & 0xff); - *dp |= (png_byte)(v << dshift); - if (dshift == s_end) - { - dshift = s_start; - dp--; - } - else - dshift += s_inc; - } - if (sshift == s_end) - { - sshift = s_start; - sp--; - } - else - sshift += s_inc; - } - break; - } - case 2: - { - png_bytep sp = row + (png_uint_32)((row_info->width - 1) >> 2); - png_bytep dp = row + (png_uint_32)((final_width - 1) >> 2); - int sshift, dshift; - int s_start, s_end, s_inc; - int jstop = png_pass_inc[pass]; - png_uint_32 i; - -#if defined(PNG_READ_PACKSWAP_SUPPORTED) - if (transformations & PNG_PACKSWAP) - { - sshift = (int)(((row_info->width + 3) & 0x03) << 1); - dshift = (int)(((final_width + 3) & 0x03) << 1); - s_start = 6; - s_end = 0; - s_inc = -2; - } - else -#endif - { - sshift = (int)((3 - ((row_info->width + 3) & 0x03)) << 1); - dshift = (int)((3 - ((final_width + 3) & 0x03)) << 1); - s_start = 0; - s_end = 6; - s_inc = 2; - } - - for (i = 0; i < row_info->width; i++) - { - png_byte v; - int j; - - v = (png_byte)((*sp >> sshift) & 0x03); - for (j = 0; j < jstop; j++) - { - *dp &= (png_byte)((0x3f3f >> (6 - dshift)) & 0xff); - *dp |= (png_byte)(v << dshift); - if (dshift == s_end) - { - dshift = s_start; - dp--; - } - else - dshift += s_inc; - } - if (sshift == s_end) - { - sshift = s_start; - sp--; - } - else - sshift += s_inc; - } - break; - } - case 4: - { - png_bytep sp = row + (png_size_t)((row_info->width - 1) >> 1); - png_bytep dp = row + (png_size_t)((final_width - 1) >> 1); - int sshift, dshift; - int s_start, s_end, s_inc; - png_uint_32 i; - int jstop = png_pass_inc[pass]; - -#if defined(PNG_READ_PACKSWAP_SUPPORTED) - if (transformations & PNG_PACKSWAP) - { - sshift = (int)(((row_info->width + 1) & 0x01) << 2); - dshift = (int)(((final_width + 1) & 0x01) << 2); - s_start = 4; - s_end = 0; - s_inc = -4; - } - else -#endif - { - sshift = (int)((1 - ((row_info->width + 1) & 0x01)) << 2); - dshift = (int)((1 - ((final_width + 1) & 0x01)) << 2); - s_start = 0; - s_end = 4; - s_inc = 4; - } - - for (i = 0; i < row_info->width; i++) - { - png_byte v = (png_byte)((*sp >> sshift) & 0xf); - int j; - - for (j = 0; j < jstop; j++) - { - *dp &= (png_byte)((0xf0f >> (4 - dshift)) & 0xff); - *dp |= (png_byte)(v << dshift); - if (dshift == s_end) - { - dshift = s_start; - dp--; - } - else - dshift += s_inc; - } - if (sshift == s_end) - { - sshift = s_start; - sp--; - } - else - sshift += s_inc; - } - break; - } - default: - { - png_size_t pixel_bytes = (row_info->pixel_depth >> 3); - png_bytep sp = row + (png_size_t)(row_info->width - 1) * pixel_bytes; - png_bytep dp = row + (png_size_t)(final_width - 1) * pixel_bytes; - - int jstop = png_pass_inc[pass]; - png_uint_32 i; - - for (i = 0; i < row_info->width; i++) - { - png_byte v[8]; - int j; - - png_memcpy(v, sp, pixel_bytes); - for (j = 0; j < jstop; j++) - { - png_memcpy(dp, v, pixel_bytes); - dp -= pixel_bytes; - } - sp -= pixel_bytes; - } - break; - } - } - row_info->width = final_width; - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, final_width); - } -#if !defined(PNG_READ_PACKSWAP_SUPPORTED) - transformations = transformations; /* silence compiler warning */ -#endif -} -#endif /* PNG_READ_INTERLACING_SUPPORTED */ - -void /* PRIVATE */ -png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep row, - png_bytep prev_row, int filter) -{ - png_debug(1, "in png_read_filter_row"); - png_debug2(2, "row = %lu, filter = %d", png_ptr->row_number, filter); - switch (filter) - { - case PNG_FILTER_VALUE_NONE: - break; - case PNG_FILTER_VALUE_SUB: - { - png_uint_32 i; - png_uint_32 istop = row_info->rowbytes; - png_uint_32 bpp = (row_info->pixel_depth + 7) >> 3; - png_bytep rp = row + bpp; - png_bytep lp = row; - - for (i = bpp; i < istop; i++) - { - *rp = (png_byte)(((int)(*rp) + (int)(*lp++)) & 0xff); - rp++; - } - break; - } - case PNG_FILTER_VALUE_UP: - { - png_uint_32 i; - png_uint_32 istop = row_info->rowbytes; - png_bytep rp = row; - png_bytep pp = prev_row; - - for (i = 0; i < istop; i++) - { - *rp = (png_byte)(((int)(*rp) + (int)(*pp++)) & 0xff); - rp++; - } - break; - } - case PNG_FILTER_VALUE_AVG: - { - png_uint_32 i; - png_bytep rp = row; - png_bytep pp = prev_row; - png_bytep lp = row; - png_uint_32 bpp = (row_info->pixel_depth + 7) >> 3; - png_uint_32 istop = row_info->rowbytes - bpp; - - for (i = 0; i < bpp; i++) - { - *rp = (png_byte)(((int)(*rp) + - ((int)(*pp++) / 2 )) & 0xff); - rp++; - } - - for (i = 0; i < istop; i++) - { - *rp = (png_byte)(((int)(*rp) + - (int)(*pp++ + *lp++) / 2 ) & 0xff); - rp++; - } - break; - } - case PNG_FILTER_VALUE_PAETH: - { - png_uint_32 i; - png_bytep rp = row; - png_bytep pp = prev_row; - png_bytep lp = row; - png_bytep cp = prev_row; - png_uint_32 bpp = (row_info->pixel_depth + 7) >> 3; - png_uint_32 istop=row_info->rowbytes - bpp; - - for (i = 0; i < bpp; i++) - { - *rp = (png_byte)(((int)(*rp) + (int)(*pp++)) & 0xff); - rp++; - } - - for (i = 0; i < istop; i++) /* use leftover rp,pp */ - { - int a, b, c, pa, pb, pc, p; - - a = *lp++; - b = *pp++; - c = *cp++; - - p = b - c; - pc = a - c; - -#ifdef PNG_USE_ABS - pa = abs(p); - pb = abs(pc); - pc = abs(p + pc); -#else - pa = p < 0 ? -p : p; - pb = pc < 0 ? -pc : pc; - pc = (p + pc) < 0 ? -(p + pc) : p + pc; -#endif - - /* - if (pa <= pb && pa <= pc) - p = a; - else if (pb <= pc) - p = b; - else - p = c; - */ - - p = (pa <= pb && pa <= pc) ? a : (pb <= pc) ? b : c; - - *rp = (png_byte)(((int)(*rp) + p) & 0xff); - rp++; - } - break; - } - default: - png_warning(png_ptr, "Ignoring bad adaptive filter type"); - *row = 0; - break; - } -} - -void /* PRIVATE */ -png_read_finish_row(png_structp png_ptr) -{ -#ifdef PNG_USE_LOCAL_ARRAYS -#ifdef PNG_READ_INTERLACING_SUPPORTED - /* arrays to facilitate easy interlacing - use pass (0 - 6) as index */ - - /* start of interlace block */ - PNG_CONST int png_pass_start[7] = {0, 4, 0, 2, 0, 1, 0}; - - /* offset to next interlace block */ - PNG_CONST int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1}; - - /* start of interlace block in the y direction */ - PNG_CONST int png_pass_ystart[7] = {0, 0, 4, 0, 2, 0, 1}; - - /* offset to next interlace block in the y direction */ - PNG_CONST int png_pass_yinc[7] = {8, 8, 8, 4, 4, 2, 2}; -#endif /* PNG_READ_INTERLACING_SUPPORTED */ -#endif - - png_debug(1, "in png_read_finish_row"); - png_ptr->row_number++; - if (png_ptr->row_number < png_ptr->num_rows) - return; - -#ifdef PNG_READ_INTERLACING_SUPPORTED - if (png_ptr->interlaced) - { - png_ptr->row_number = 0; - png_memset_check(png_ptr, png_ptr->prev_row, 0, - png_ptr->rowbytes + 1); - do - { - png_ptr->pass++; - if (png_ptr->pass >= 7) - break; - png_ptr->iwidth = (png_ptr->width + - png_pass_inc[png_ptr->pass] - 1 - - png_pass_start[png_ptr->pass]) / - png_pass_inc[png_ptr->pass]; - - png_ptr->irowbytes = PNG_ROWBYTES(png_ptr->pixel_depth, - png_ptr->iwidth) + 1; - - if (!(png_ptr->transformations & PNG_INTERLACE)) - { - png_ptr->num_rows = (png_ptr->height + - png_pass_yinc[png_ptr->pass] - 1 - - png_pass_ystart[png_ptr->pass]) / - png_pass_yinc[png_ptr->pass]; - if (!(png_ptr->num_rows)) - continue; - } - else /* if (png_ptr->transformations & PNG_INTERLACE) */ - break; - } while (png_ptr->iwidth == 0); - - if (png_ptr->pass < 7) - return; - } -#endif /* PNG_READ_INTERLACING_SUPPORTED */ - - if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED)) - { -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_CONST PNG_IDAT; -#endif - char extra; - int ret; - - png_ptr->zstream.next_out = (Byte *)&extra; - png_ptr->zstream.avail_out = (uInt)1; - for (;;) - { - if (!(png_ptr->zstream.avail_in)) - { - while (!png_ptr->idat_size) - { - png_byte chunk_length[4]; - - png_crc_finish(png_ptr, 0); - - png_read_data(png_ptr, chunk_length, 4); - png_ptr->idat_size = png_get_uint_31(png_ptr, chunk_length); - png_reset_crc(png_ptr); - png_crc_read(png_ptr, png_ptr->chunk_name, 4); - if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) - png_error(png_ptr, "Not enough image data"); - - } - png_ptr->zstream.avail_in = (uInt)png_ptr->zbuf_size; - png_ptr->zstream.next_in = png_ptr->zbuf; - if (png_ptr->zbuf_size > png_ptr->idat_size) - png_ptr->zstream.avail_in = (uInt)png_ptr->idat_size; - png_crc_read(png_ptr, png_ptr->zbuf, png_ptr->zstream.avail_in); - png_ptr->idat_size -= png_ptr->zstream.avail_in; - } - ret = inflate(&png_ptr->zstream, Z_PARTIAL_FLUSH); - if (ret == Z_STREAM_END) - { - if (!(png_ptr->zstream.avail_out) || png_ptr->zstream.avail_in || - png_ptr->idat_size) - png_warning(png_ptr, "Extra compressed data"); - png_ptr->mode |= PNG_AFTER_IDAT; - png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED; - break; - } - if (ret != Z_OK) - png_error(png_ptr, png_ptr->zstream.msg ? png_ptr->zstream.msg : - "Decompression Error"); - - if (!(png_ptr->zstream.avail_out)) - { - png_warning(png_ptr, "Extra compressed data."); - png_ptr->mode |= PNG_AFTER_IDAT; - png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED; - break; - } - - } - png_ptr->zstream.avail_out = 0; - } - - if (png_ptr->idat_size || png_ptr->zstream.avail_in) - png_warning(png_ptr, "Extra compression data"); - - inflateReset(&png_ptr->zstream); - - png_ptr->mode |= PNG_AFTER_IDAT; -} - -void /* PRIVATE */ -png_read_start_row(png_structp png_ptr) -{ -#ifdef PNG_USE_LOCAL_ARRAYS -#ifdef PNG_READ_INTERLACING_SUPPORTED - /* arrays to facilitate easy interlacing - use pass (0 - 6) as index */ - - /* start of interlace block */ - PNG_CONST int png_pass_start[7] = {0, 4, 0, 2, 0, 1, 0}; - - /* offset to next interlace block */ - PNG_CONST int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1}; - - /* start of interlace block in the y direction */ - PNG_CONST int png_pass_ystart[7] = {0, 0, 4, 0, 2, 0, 1}; - - /* offset to next interlace block in the y direction */ - PNG_CONST int png_pass_yinc[7] = {8, 8, 8, 4, 4, 2, 2}; -#endif -#endif - - int max_pixel_depth; - png_size_t row_bytes; - - png_debug(1, "in png_read_start_row"); - png_ptr->zstream.avail_in = 0; - png_init_read_transformations(png_ptr); -#ifdef PNG_READ_INTERLACING_SUPPORTED - if (png_ptr->interlaced) - { - if (!(png_ptr->transformations & PNG_INTERLACE)) - png_ptr->num_rows = (png_ptr->height + png_pass_yinc[0] - 1 - - png_pass_ystart[0]) / png_pass_yinc[0]; - else - png_ptr->num_rows = png_ptr->height; - - png_ptr->iwidth = (png_ptr->width + - png_pass_inc[png_ptr->pass] - 1 - - png_pass_start[png_ptr->pass]) / - png_pass_inc[png_ptr->pass]; - - png_ptr->irowbytes = - PNG_ROWBYTES(png_ptr->pixel_depth, png_ptr->iwidth) + 1; - } - else -#endif /* PNG_READ_INTERLACING_SUPPORTED */ - { - png_ptr->num_rows = png_ptr->height; - png_ptr->iwidth = png_ptr->width; - png_ptr->irowbytes = png_ptr->rowbytes + 1; - } - max_pixel_depth = png_ptr->pixel_depth; - -#if defined(PNG_READ_PACK_SUPPORTED) - if ((png_ptr->transformations & PNG_PACK) && png_ptr->bit_depth < 8) - max_pixel_depth = 8; -#endif - -#if defined(PNG_READ_EXPAND_SUPPORTED) - if (png_ptr->transformations & PNG_EXPAND) - { - if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - { - if (png_ptr->num_trans) - max_pixel_depth = 32; - else - max_pixel_depth = 24; - } - else if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY) - { - if (max_pixel_depth < 8) - max_pixel_depth = 8; - if (png_ptr->num_trans) - max_pixel_depth *= 2; - } - else if (png_ptr->color_type == PNG_COLOR_TYPE_RGB) - { - if (png_ptr->num_trans) - { - max_pixel_depth *= 4; - max_pixel_depth /= 3; - } - } - } -#endif - -#if defined(PNG_READ_FILLER_SUPPORTED) - if (png_ptr->transformations & (PNG_FILLER)) - { - if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - max_pixel_depth = 32; - else if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY) - { - if (max_pixel_depth <= 8) - max_pixel_depth = 16; - else - max_pixel_depth = 32; - } - else if (png_ptr->color_type == PNG_COLOR_TYPE_RGB) - { - if (max_pixel_depth <= 32) - max_pixel_depth = 32; - else - max_pixel_depth = 64; - } - } -#endif - -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) - if (png_ptr->transformations & PNG_GRAY_TO_RGB) - { - if ( -#if defined(PNG_READ_EXPAND_SUPPORTED) - (png_ptr->num_trans && (png_ptr->transformations & PNG_EXPAND)) || -#endif -#if defined(PNG_READ_FILLER_SUPPORTED) - (png_ptr->transformations & (PNG_FILLER)) || -#endif - png_ptr->color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - { - if (max_pixel_depth <= 16) - max_pixel_depth = 32; - else - max_pixel_depth = 64; - } - else - { - if (max_pixel_depth <= 8) - { - if (png_ptr->color_type == PNG_COLOR_TYPE_RGB_ALPHA) - max_pixel_depth = 32; - else - max_pixel_depth = 24; - } - else if (png_ptr->color_type == PNG_COLOR_TYPE_RGB_ALPHA) - max_pixel_depth = 64; - else - max_pixel_depth = 48; - } - } -#endif - -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) && \ -defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) - if (png_ptr->transformations & PNG_USER_TRANSFORM) - { - int user_pixel_depth = png_ptr->user_transform_depth* - png_ptr->user_transform_channels; - if (user_pixel_depth > max_pixel_depth) - max_pixel_depth=user_pixel_depth; - } -#endif - - /* align the width on the next larger 8 pixels. Mainly used - for interlacing */ - row_bytes = ((png_ptr->width + 7) & ~((png_uint_32)7)); - /* calculate the maximum bytes needed, adding a byte and a pixel - for safety's sake */ - row_bytes = PNG_ROWBYTES(max_pixel_depth, row_bytes) + - 1 + ((max_pixel_depth + 7) >> 3); -#ifdef PNG_MAX_MALLOC_64K - if (row_bytes > (png_uint_32)65536L) - png_error(png_ptr, "This image requires a row greater than 64KB"); -#endif - - if (row_bytes + 64 > png_ptr->old_big_row_buf_size) - { - png_free(png_ptr, png_ptr->big_row_buf); - png_ptr->big_row_buf = (png_bytep)png_malloc(png_ptr, row_bytes+64); - png_ptr->row_buf = png_ptr->big_row_buf+32; - png_ptr->old_big_row_buf_size = row_bytes+64; - } - -#ifdef PNG_MAX_MALLOC_64K - if ((png_uint_32)png_ptr->rowbytes + 1 > (png_uint_32)65536L) - png_error(png_ptr, "This image requires a row greater than 64KB"); -#endif - if ((png_uint_32)png_ptr->rowbytes > (png_uint_32)(PNG_SIZE_MAX - 1)) - png_error(png_ptr, "Row has too many bytes to allocate in memory."); - - if (png_ptr->rowbytes+1 > png_ptr->old_prev_row_size) - { - png_free(png_ptr, png_ptr->prev_row); - png_ptr->prev_row = (png_bytep)png_malloc(png_ptr, (png_uint_32)( - png_ptr->rowbytes + 1)); - png_ptr->old_prev_row_size = png_ptr->rowbytes+1; - } - - png_memset_check(png_ptr, png_ptr->prev_row, 0, png_ptr->rowbytes + 1); - - png_debug1(3, "width = %lu,", png_ptr->width); - png_debug1(3, "height = %lu,", png_ptr->height); - png_debug1(3, "iwidth = %lu,", png_ptr->iwidth); - png_debug1(3, "num_rows = %lu", png_ptr->num_rows); - png_debug1(3, "rowbytes = %lu,", png_ptr->rowbytes); - png_debug1(3, "irowbytes = %lu,", png_ptr->irowbytes); - - png_ptr->flags |= PNG_FLAG_ROW_INIT; -} -#endif /* PNG_READ_SUPPORTED */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngset.c b/Build/source/libs/libpng/libpng-1.2.34/pngset.c deleted file mode 100644 index b96866c2a95..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngset.c +++ /dev/null @@ -1,1252 +0,0 @@ - -/* pngset.c - storage of image information into info struct - * - * Last changed in libpng 1.2.34 [December 18, 2008] - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - * - * The functions here are used during reads to store data from the file - * into the info struct, and during writes to store application data - * into the info struct for writing into the file. This abstracts the - * info struct and allows us to change the structure in the future. - */ - -#define PNG_INTERNAL -#include "png.h" -#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) - -#if defined(PNG_bKGD_SUPPORTED) -void PNGAPI -png_set_bKGD(png_structp png_ptr, png_infop info_ptr, png_color_16p background) -{ - png_debug1(1, "in %s storage function", "bKGD"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - png_memcpy(&(info_ptr->background), background, png_sizeof(png_color_16)); - info_ptr->valid |= PNG_INFO_bKGD; -} -#endif - -#if defined(PNG_cHRM_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED -void PNGAPI -png_set_cHRM(png_structp png_ptr, png_infop info_ptr, - double white_x, double white_y, double red_x, double red_y, - double green_x, double green_y, double blue_x, double blue_y) -{ - png_debug1(1, "in %s storage function", "cHRM"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - info_ptr->x_white = (float)white_x; - info_ptr->y_white = (float)white_y; - info_ptr->x_red = (float)red_x; - info_ptr->y_red = (float)red_y; - info_ptr->x_green = (float)green_x; - info_ptr->y_green = (float)green_y; - info_ptr->x_blue = (float)blue_x; - info_ptr->y_blue = (float)blue_y; -#ifdef PNG_FIXED_POINT_SUPPORTED - info_ptr->int_x_white = (png_fixed_point)(white_x*100000.+0.5); - info_ptr->int_y_white = (png_fixed_point)(white_y*100000.+0.5); - info_ptr->int_x_red = (png_fixed_point)( red_x*100000.+0.5); - info_ptr->int_y_red = (png_fixed_point)( red_y*100000.+0.5); - info_ptr->int_x_green = (png_fixed_point)(green_x*100000.+0.5); - info_ptr->int_y_green = (png_fixed_point)(green_y*100000.+0.5); - info_ptr->int_x_blue = (png_fixed_point)( blue_x*100000.+0.5); - info_ptr->int_y_blue = (png_fixed_point)( blue_y*100000.+0.5); -#endif - info_ptr->valid |= PNG_INFO_cHRM; -} -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED -void PNGAPI -png_set_cHRM_fixed(png_structp png_ptr, png_infop info_ptr, - png_fixed_point white_x, png_fixed_point white_y, png_fixed_point red_x, - png_fixed_point red_y, png_fixed_point green_x, png_fixed_point green_y, - png_fixed_point blue_x, png_fixed_point blue_y) -{ - png_debug1(1, "in %s storage function", "cHRM fixed"); - if (png_ptr == NULL || info_ptr == NULL) - return; - -#if !defined(PNG_NO_CHECK_cHRM) - if (png_check_cHRM_fixed(png_ptr, - white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y)) -#endif - { - info_ptr->int_x_white = white_x; - info_ptr->int_y_white = white_y; - info_ptr->int_x_red = red_x; - info_ptr->int_y_red = red_y; - info_ptr->int_x_green = green_x; - info_ptr->int_y_green = green_y; - info_ptr->int_x_blue = blue_x; - info_ptr->int_y_blue = blue_y; -#ifdef PNG_FLOATING_POINT_SUPPORTED - info_ptr->x_white = (float)(white_x/100000.); - info_ptr->y_white = (float)(white_y/100000.); - info_ptr->x_red = (float)( red_x/100000.); - info_ptr->y_red = (float)( red_y/100000.); - info_ptr->x_green = (float)(green_x/100000.); - info_ptr->y_green = (float)(green_y/100000.); - info_ptr->x_blue = (float)( blue_x/100000.); - info_ptr->y_blue = (float)( blue_y/100000.); -#endif - info_ptr->valid |= PNG_INFO_cHRM; - } -} -#endif /* PNG_FIXED_POINT_SUPPORTED */ -#endif /* PNG_cHRM_SUPPORTED */ - -#if defined(PNG_gAMA_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED -void PNGAPI -png_set_gAMA(png_structp png_ptr, png_infop info_ptr, double file_gamma) -{ - double gamma; - png_debug1(1, "in %s storage function", "gAMA"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - /* Check for overflow */ - if (file_gamma > 21474.83) - { - png_warning(png_ptr, "Limiting gamma to 21474.83"); - gamma=21474.83; - } - else - gamma = file_gamma; - info_ptr->gamma = (float)gamma; -#ifdef PNG_FIXED_POINT_SUPPORTED - info_ptr->int_gamma = (int)(gamma*100000.+.5); -#endif - info_ptr->valid |= PNG_INFO_gAMA; - if (gamma == 0.0) - png_warning(png_ptr, "Setting gamma=0"); -} -#endif -void PNGAPI -png_set_gAMA_fixed(png_structp png_ptr, png_infop info_ptr, png_fixed_point - int_gamma) -{ - png_fixed_point gamma; - - png_debug1(1, "in %s storage function", "gAMA"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - if (int_gamma > (png_fixed_point) PNG_UINT_31_MAX) - { - png_warning(png_ptr, "Limiting gamma to 21474.83"); - gamma=PNG_UINT_31_MAX; - } - else - { - if (int_gamma < 0) - { - png_warning(png_ptr, "Setting negative gamma to zero"); - gamma = 0; - } - else - gamma = int_gamma; - } -#ifdef PNG_FLOATING_POINT_SUPPORTED - info_ptr->gamma = (float)(gamma/100000.); -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED - info_ptr->int_gamma = gamma; -#endif - info_ptr->valid |= PNG_INFO_gAMA; - if (gamma == 0) - png_warning(png_ptr, "Setting gamma=0"); -} -#endif - -#if defined(PNG_hIST_SUPPORTED) -void PNGAPI -png_set_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_16p hist) -{ - int i; - - png_debug1(1, "in %s storage function", "hIST"); - if (png_ptr == NULL || info_ptr == NULL) - return; - if (info_ptr->num_palette == 0 || info_ptr->num_palette - > PNG_MAX_PALETTE_LENGTH) - { - png_warning(png_ptr, - "Invalid palette size, hIST allocation skipped."); - return; - } - -#ifdef PNG_FREE_ME_SUPPORTED - png_free_data(png_ptr, info_ptr, PNG_FREE_HIST, 0); -#endif - /* Changed from info->num_palette to PNG_MAX_PALETTE_LENGTH in version - 1.2.1 */ - png_ptr->hist = (png_uint_16p)png_malloc_warn(png_ptr, - (png_uint_32)(PNG_MAX_PALETTE_LENGTH * png_sizeof(png_uint_16))); - if (png_ptr->hist == NULL) - { - png_warning(png_ptr, "Insufficient memory for hIST chunk data."); - return; - } - - for (i = 0; i < info_ptr->num_palette; i++) - png_ptr->hist[i] = hist[i]; - info_ptr->hist = png_ptr->hist; - info_ptr->valid |= PNG_INFO_hIST; - -#ifdef PNG_FREE_ME_SUPPORTED - info_ptr->free_me |= PNG_FREE_HIST; -#else - png_ptr->flags |= PNG_FLAG_FREE_HIST; -#endif -} -#endif - -void PNGAPI -png_set_IHDR(png_structp png_ptr, png_infop info_ptr, - png_uint_32 width, png_uint_32 height, int bit_depth, - int color_type, int interlace_type, int compression_type, - int filter_type) -{ - png_debug1(1, "in %s storage function", "IHDR"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - /* check for width and height valid values */ - if (width == 0 || height == 0) - png_error(png_ptr, "Image width or height is zero in IHDR"); -#ifdef PNG_SET_USER_LIMITS_SUPPORTED - if (width > png_ptr->user_width_max || height > png_ptr->user_height_max) - png_error(png_ptr, "image size exceeds user limits in IHDR"); -#else - if (width > PNG_USER_WIDTH_MAX || height > PNG_USER_HEIGHT_MAX) - png_error(png_ptr, "image size exceeds user limits in IHDR"); -#endif - if (width > PNG_UINT_31_MAX || height > PNG_UINT_31_MAX) - png_error(png_ptr, "Invalid image size in IHDR"); - if ( width > (PNG_UINT_32_MAX - >> 3) /* 8-byte RGBA pixels */ - - 64 /* bigrowbuf hack */ - - 1 /* filter byte */ - - 7*8 /* rounding of width to multiple of 8 pixels */ - - 8) /* extra max_pixel_depth pad */ - png_warning(png_ptr, "Width is too large for libpng to process pixels"); - - /* check other values */ - if (bit_depth != 1 && bit_depth != 2 && bit_depth != 4 && - bit_depth != 8 && bit_depth != 16) - png_error(png_ptr, "Invalid bit depth in IHDR"); - - if (color_type < 0 || color_type == 1 || - color_type == 5 || color_type > 6) - png_error(png_ptr, "Invalid color type in IHDR"); - - if (((color_type == PNG_COLOR_TYPE_PALETTE) && bit_depth > 8) || - ((color_type == PNG_COLOR_TYPE_RGB || - color_type == PNG_COLOR_TYPE_GRAY_ALPHA || - color_type == PNG_COLOR_TYPE_RGB_ALPHA) && bit_depth < 8)) - png_error(png_ptr, "Invalid color type/bit depth combination in IHDR"); - - if (interlace_type >= PNG_INTERLACE_LAST) - png_error(png_ptr, "Unknown interlace method in IHDR"); - - if (compression_type != PNG_COMPRESSION_TYPE_BASE) - png_error(png_ptr, "Unknown compression method in IHDR"); - -#if defined(PNG_MNG_FEATURES_SUPPORTED) - /* Accept filter_method 64 (intrapixel differencing) only if - * 1. Libpng was compiled with PNG_MNG_FEATURES_SUPPORTED and - * 2. Libpng did not read a PNG signature (this filter_method is only - * used in PNG datastreams that are embedded in MNG datastreams) and - * 3. The application called png_permit_mng_features with a mask that - * included PNG_FLAG_MNG_FILTER_64 and - * 4. The filter_method is 64 and - * 5. The color_type is RGB or RGBA - */ - if ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE)&&png_ptr->mng_features_permitted) - png_warning(png_ptr, "MNG features are not allowed in a PNG datastream"); - if (filter_type != PNG_FILTER_TYPE_BASE) - { - if (!((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) && - (filter_type == PNG_INTRAPIXEL_DIFFERENCING) && - ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) == 0) && - (color_type == PNG_COLOR_TYPE_RGB || - color_type == PNG_COLOR_TYPE_RGB_ALPHA))) - png_error(png_ptr, "Unknown filter method in IHDR"); - if (png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) - png_warning(png_ptr, "Invalid filter method in IHDR"); - } -#else - if (filter_type != PNG_FILTER_TYPE_BASE) - png_error(png_ptr, "Unknown filter method in IHDR"); -#endif - - info_ptr->width = width; - info_ptr->height = height; - info_ptr->bit_depth = (png_byte)bit_depth; - info_ptr->color_type =(png_byte) color_type; - info_ptr->compression_type = (png_byte)compression_type; - info_ptr->filter_type = (png_byte)filter_type; - info_ptr->interlace_type = (png_byte)interlace_type; - if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - info_ptr->channels = 1; - else if (info_ptr->color_type & PNG_COLOR_MASK_COLOR) - info_ptr->channels = 3; - else - info_ptr->channels = 1; - if (info_ptr->color_type & PNG_COLOR_MASK_ALPHA) - info_ptr->channels++; - info_ptr->pixel_depth = (png_byte)(info_ptr->channels * info_ptr->bit_depth); - - /* check for potential overflow */ - if (width > (PNG_UINT_32_MAX - >> 3) /* 8-byte RGBA pixels */ - - 64 /* bigrowbuf hack */ - - 1 /* filter byte */ - - 7*8 /* rounding of width to multiple of 8 pixels */ - - 8) /* extra max_pixel_depth pad */ - info_ptr->rowbytes = (png_size_t)0; - else - info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width); -} - -#if defined(PNG_oFFs_SUPPORTED) -void PNGAPI -png_set_oFFs(png_structp png_ptr, png_infop info_ptr, - png_int_32 offset_x, png_int_32 offset_y, int unit_type) -{ - png_debug1(1, "in %s storage function", "oFFs"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - info_ptr->x_offset = offset_x; - info_ptr->y_offset = offset_y; - info_ptr->offset_unit_type = (png_byte)unit_type; - info_ptr->valid |= PNG_INFO_oFFs; -} -#endif - -#if defined(PNG_pCAL_SUPPORTED) -void PNGAPI -png_set_pCAL(png_structp png_ptr, png_infop info_ptr, - png_charp purpose, png_int_32 X0, png_int_32 X1, int type, int nparams, - png_charp units, png_charpp params) -{ - png_uint_32 length; - int i; - - png_debug1(1, "in %s storage function", "pCAL"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - length = png_strlen(purpose) + 1; - png_debug1(3, "allocating purpose for info (%lu bytes)", - (unsigned long)length); - info_ptr->pcal_purpose = (png_charp)png_malloc_warn(png_ptr, length); - if (info_ptr->pcal_purpose == NULL) - { - png_warning(png_ptr, "Insufficient memory for pCAL purpose."); - return; - } - png_memcpy(info_ptr->pcal_purpose, purpose, (png_size_t)length); - - png_debug(3, "storing X0, X1, type, and nparams in info"); - info_ptr->pcal_X0 = X0; - info_ptr->pcal_X1 = X1; - info_ptr->pcal_type = (png_byte)type; - info_ptr->pcal_nparams = (png_byte)nparams; - - length = png_strlen(units) + 1; - png_debug1(3, "allocating units for info (%lu bytes)", - (unsigned long)length); - info_ptr->pcal_units = (png_charp)png_malloc_warn(png_ptr, length); - if (info_ptr->pcal_units == NULL) - { - png_warning(png_ptr, "Insufficient memory for pCAL units."); - return; - } - png_memcpy(info_ptr->pcal_units, units, (png_size_t)length); - - info_ptr->pcal_params = (png_charpp)png_malloc_warn(png_ptr, - (png_uint_32)((nparams + 1) * png_sizeof(png_charp))); - if (info_ptr->pcal_params == NULL) - { - png_warning(png_ptr, "Insufficient memory for pCAL params."); - return; - } - - info_ptr->pcal_params[nparams] = NULL; - - for (i = 0; i < nparams; i++) - { - length = png_strlen(params[i]) + 1; - png_debug2(3, "allocating parameter %d for info (%lu bytes)", i, - (unsigned long)length); - info_ptr->pcal_params[i] = (png_charp)png_malloc_warn(png_ptr, length); - if (info_ptr->pcal_params[i] == NULL) - { - png_warning(png_ptr, "Insufficient memory for pCAL parameter."); - return; - } - png_memcpy(info_ptr->pcal_params[i], params[i], (png_size_t)length); - } - - info_ptr->valid |= PNG_INFO_pCAL; -#ifdef PNG_FREE_ME_SUPPORTED - info_ptr->free_me |= PNG_FREE_PCAL; -#endif -} -#endif - -#if defined(PNG_READ_sCAL_SUPPORTED) || defined(PNG_WRITE_sCAL_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED -void PNGAPI -png_set_sCAL(png_structp png_ptr, png_infop info_ptr, - int unit, double width, double height) -{ - png_debug1(1, "in %s storage function", "sCAL"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - info_ptr->scal_unit = (png_byte)unit; - info_ptr->scal_pixel_width = width; - info_ptr->scal_pixel_height = height; - - info_ptr->valid |= PNG_INFO_sCAL; -} -#else -#ifdef PNG_FIXED_POINT_SUPPORTED -void PNGAPI -png_set_sCAL_s(png_structp png_ptr, png_infop info_ptr, - int unit, png_charp swidth, png_charp sheight) -{ - png_uint_32 length; - - png_debug1(1, "in %s storage function", "sCAL"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - info_ptr->scal_unit = (png_byte)unit; - - length = png_strlen(swidth) + 1; - png_debug1(3, "allocating unit for info (%u bytes)", - (unsigned int)length); - info_ptr->scal_s_width = (png_charp)png_malloc_warn(png_ptr, length); - if (info_ptr->scal_s_width == NULL) - { - png_warning(png_ptr, - "Memory allocation failed while processing sCAL."); - return; - } - png_memcpy(info_ptr->scal_s_width, swidth, (png_size_t)length); - - length = png_strlen(sheight) + 1; - png_debug1(3, "allocating unit for info (%u bytes)", - (unsigned int)length); - info_ptr->scal_s_height = (png_charp)png_malloc_warn(png_ptr, length); - if (info_ptr->scal_s_height == NULL) - { - png_free (png_ptr, info_ptr->scal_s_width); - info_ptr->scal_s_width = NULL; - png_warning(png_ptr, - "Memory allocation failed while processing sCAL."); - return; - } - png_memcpy(info_ptr->scal_s_height, sheight, (png_size_t)length); - info_ptr->valid |= PNG_INFO_sCAL; -#ifdef PNG_FREE_ME_SUPPORTED - info_ptr->free_me |= PNG_FREE_SCAL; -#endif -} -#endif -#endif -#endif - -#if defined(PNG_pHYs_SUPPORTED) -void PNGAPI -png_set_pHYs(png_structp png_ptr, png_infop info_ptr, - png_uint_32 res_x, png_uint_32 res_y, int unit_type) -{ - png_debug1(1, "in %s storage function", "pHYs"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - info_ptr->x_pixels_per_unit = res_x; - info_ptr->y_pixels_per_unit = res_y; - info_ptr->phys_unit_type = (png_byte)unit_type; - info_ptr->valid |= PNG_INFO_pHYs; -} -#endif - -void PNGAPI -png_set_PLTE(png_structp png_ptr, png_infop info_ptr, - png_colorp palette, int num_palette) -{ - - png_debug1(1, "in %s storage function", "PLTE"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - if (num_palette < 0 || num_palette > PNG_MAX_PALETTE_LENGTH) - { - if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - png_error(png_ptr, "Invalid palette length"); - else - { - png_warning(png_ptr, "Invalid palette length"); - return; - } - } - - /* - * It may not actually be necessary to set png_ptr->palette here; - * we do it for backward compatibility with the way the png_handle_tRNS - * function used to do the allocation. - */ -#ifdef PNG_FREE_ME_SUPPORTED - png_free_data(png_ptr, info_ptr, PNG_FREE_PLTE, 0); -#endif - - /* Changed in libpng-1.2.1 to allocate PNG_MAX_PALETTE_LENGTH instead - of num_palette entries, - in case of an invalid PNG file that has too-large sample values. */ - png_ptr->palette = (png_colorp)png_malloc(png_ptr, - PNG_MAX_PALETTE_LENGTH * png_sizeof(png_color)); - png_memset(png_ptr->palette, 0, PNG_MAX_PALETTE_LENGTH * - png_sizeof(png_color)); - png_memcpy(png_ptr->palette, palette, num_palette * png_sizeof(png_color)); - info_ptr->palette = png_ptr->palette; - info_ptr->num_palette = png_ptr->num_palette = (png_uint_16)num_palette; - -#ifdef PNG_FREE_ME_SUPPORTED - info_ptr->free_me |= PNG_FREE_PLTE; -#else - png_ptr->flags |= PNG_FLAG_FREE_PLTE; -#endif - - info_ptr->valid |= PNG_INFO_PLTE; -} - -#if defined(PNG_sBIT_SUPPORTED) -void PNGAPI -png_set_sBIT(png_structp png_ptr, png_infop info_ptr, - png_color_8p sig_bit) -{ - png_debug1(1, "in %s storage function", "sBIT"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - png_memcpy(&(info_ptr->sig_bit), sig_bit, png_sizeof(png_color_8)); - info_ptr->valid |= PNG_INFO_sBIT; -} -#endif - -#if defined(PNG_sRGB_SUPPORTED) -void PNGAPI -png_set_sRGB(png_structp png_ptr, png_infop info_ptr, int intent) -{ - png_debug1(1, "in %s storage function", "sRGB"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - info_ptr->srgb_intent = (png_byte)intent; - info_ptr->valid |= PNG_INFO_sRGB; -} - -void PNGAPI -png_set_sRGB_gAMA_and_cHRM(png_structp png_ptr, png_infop info_ptr, - int intent) -{ -#if defined(PNG_gAMA_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED - float file_gamma; -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED - png_fixed_point int_file_gamma; -#endif -#endif -#if defined(PNG_cHRM_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED - float white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y; -#endif - png_fixed_point int_white_x, int_white_y, int_red_x, int_red_y, int_green_x, - int_green_y, int_blue_x, int_blue_y; -#endif - png_debug1(1, "in %s storage function", "sRGB_gAMA_and_cHRM"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - png_set_sRGB(png_ptr, info_ptr, intent); - -#if defined(PNG_gAMA_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED - file_gamma = (float).45455; - png_set_gAMA(png_ptr, info_ptr, file_gamma); -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED - int_file_gamma = 45455L; - png_set_gAMA_fixed(png_ptr, info_ptr, int_file_gamma); -#endif -#endif - -#if defined(PNG_cHRM_SUPPORTED) - int_white_x = 31270L; - int_white_y = 32900L; - int_red_x = 64000L; - int_red_y = 33000L; - int_green_x = 30000L; - int_green_y = 60000L; - int_blue_x = 15000L; - int_blue_y = 6000L; - -#ifdef PNG_FLOATING_POINT_SUPPORTED - white_x = (float).3127; - white_y = (float).3290; - red_x = (float).64; - red_y = (float).33; - green_x = (float).30; - green_y = (float).60; - blue_x = (float).15; - blue_y = (float).06; -#endif - -#if !defined(PNG_NO_CHECK_cHRM) - if (png_check_cHRM_fixed(png_ptr, - int_white_x, int_white_y, int_red_x, int_red_y, int_green_x, - int_green_y, int_blue_x, int_blue_y)) -#endif - { -#ifdef PNG_FIXED_POINT_SUPPORTED - png_set_cHRM_fixed(png_ptr, info_ptr, - int_white_x, int_white_y, int_red_x, int_red_y, int_green_x, - int_green_y, int_blue_x, int_blue_y); -#endif -#ifdef PNG_FLOATING_POINT_SUPPORTED - png_set_cHRM(png_ptr, info_ptr, - white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y); -#endif - } -#endif /* cHRM */ -} -#endif - - -#if defined(PNG_iCCP_SUPPORTED) -void PNGAPI -png_set_iCCP(png_structp png_ptr, png_infop info_ptr, - png_charp name, int compression_type, - png_charp profile, png_uint_32 proflen) -{ - png_charp new_iccp_name; - png_charp new_iccp_profile; - png_uint_32 length; - - png_debug1(1, "in %s storage function", "iCCP"); - if (png_ptr == NULL || info_ptr == NULL || name == NULL || profile == NULL) - return; - - length = png_strlen(name)+1; - new_iccp_name = (png_charp)png_malloc_warn(png_ptr, length); - if (new_iccp_name == NULL) - { - png_warning(png_ptr, "Insufficient memory to process iCCP chunk."); - return; - } - png_memcpy(new_iccp_name, name, length); - new_iccp_profile = (png_charp)png_malloc_warn(png_ptr, proflen); - if (new_iccp_profile == NULL) - { - png_free (png_ptr, new_iccp_name); - png_warning(png_ptr, - "Insufficient memory to process iCCP profile."); - return; - } - png_memcpy(new_iccp_profile, profile, (png_size_t)proflen); - - png_free_data(png_ptr, info_ptr, PNG_FREE_ICCP, 0); - - info_ptr->iccp_proflen = proflen; - info_ptr->iccp_name = new_iccp_name; - info_ptr->iccp_profile = new_iccp_profile; - /* Compression is always zero but is here so the API and info structure - * does not have to change if we introduce multiple compression types */ - info_ptr->iccp_compression = (png_byte)compression_type; -#ifdef PNG_FREE_ME_SUPPORTED - info_ptr->free_me |= PNG_FREE_ICCP; -#endif - info_ptr->valid |= PNG_INFO_iCCP; -} -#endif - -#if defined(PNG_TEXT_SUPPORTED) -void PNGAPI -png_set_text(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr, - int num_text) -{ - int ret; - ret = png_set_text_2(png_ptr, info_ptr, text_ptr, num_text); - if (ret) - png_error(png_ptr, "Insufficient memory to store text"); -} - -int /* PRIVATE */ -png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr, - int num_text) -{ - int i; - - png_debug1(1, "in %s storage function", (png_ptr->chunk_name[0] == '\0' ? - "text" : (png_const_charp)png_ptr->chunk_name)); - - if (png_ptr == NULL || info_ptr == NULL || num_text == 0) - return(0); - - /* Make sure we have enough space in the "text" array in info_struct - * to hold all of the incoming text_ptr objects. - */ - if (info_ptr->num_text + num_text > info_ptr->max_text) - { - if (info_ptr->text != NULL) - { - png_textp old_text; - int old_max; - - old_max = info_ptr->max_text; - info_ptr->max_text = info_ptr->num_text + num_text + 8; - old_text = info_ptr->text; - info_ptr->text = (png_textp)png_malloc_warn(png_ptr, - (png_uint_32)(info_ptr->max_text * png_sizeof(png_text))); - if (info_ptr->text == NULL) - { - png_free(png_ptr, old_text); - return(1); - } - png_memcpy(info_ptr->text, old_text, (png_size_t)(old_max * - png_sizeof(png_text))); - png_free(png_ptr, old_text); - } - else - { - info_ptr->max_text = num_text + 8; - info_ptr->num_text = 0; - info_ptr->text = (png_textp)png_malloc_warn(png_ptr, - (png_uint_32)(info_ptr->max_text * png_sizeof(png_text))); - if (info_ptr->text == NULL) - return(1); -#ifdef PNG_FREE_ME_SUPPORTED - info_ptr->free_me |= PNG_FREE_TEXT; -#endif - } - png_debug1(3, "allocated %d entries for info_ptr->text", - info_ptr->max_text); - } - for (i = 0; i < num_text; i++) - { - png_size_t text_length, key_len; - png_size_t lang_len, lang_key_len; - png_textp textp = &(info_ptr->text[info_ptr->num_text]); - - if (text_ptr[i].key == NULL) - continue; - - key_len = png_strlen(text_ptr[i].key); - - if (text_ptr[i].compression <= 0) - { - lang_len = 0; - lang_key_len = 0; - } - else -#ifdef PNG_iTXt_SUPPORTED - { - /* set iTXt data */ - if (text_ptr[i].lang != NULL) - lang_len = png_strlen(text_ptr[i].lang); - else - lang_len = 0; - if (text_ptr[i].lang_key != NULL) - lang_key_len = png_strlen(text_ptr[i].lang_key); - else - lang_key_len = 0; - } -#else - { - png_warning(png_ptr, "iTXt chunk not supported."); - continue; - } -#endif - - if (text_ptr[i].text == NULL || text_ptr[i].text[0] == '\0') - { - text_length = 0; -#ifdef PNG_iTXt_SUPPORTED - if (text_ptr[i].compression > 0) - textp->compression = PNG_ITXT_COMPRESSION_NONE; - else -#endif - textp->compression = PNG_TEXT_COMPRESSION_NONE; - } - else - { - text_length = png_strlen(text_ptr[i].text); - textp->compression = text_ptr[i].compression; - } - - textp->key = (png_charp)png_malloc_warn(png_ptr, - (png_uint_32) - (key_len + text_length + lang_len + lang_key_len + 4)); - if (textp->key == NULL) - return(1); - png_debug2(2, "Allocated %lu bytes at %x in png_set_text", - (png_uint_32) - (key_len + lang_len + lang_key_len + text_length + 4), - (int)textp->key); - - png_memcpy(textp->key, text_ptr[i].key, - (png_size_t)(key_len)); - *(textp->key + key_len) = '\0'; -#ifdef PNG_iTXt_SUPPORTED - if (text_ptr[i].compression > 0) - { - textp->lang = textp->key + key_len + 1; - png_memcpy(textp->lang, text_ptr[i].lang, lang_len); - *(textp->lang + lang_len) = '\0'; - textp->lang_key = textp->lang + lang_len + 1; - png_memcpy(textp->lang_key, text_ptr[i].lang_key, lang_key_len); - *(textp->lang_key + lang_key_len) = '\0'; - textp->text = textp->lang_key + lang_key_len + 1; - } - else -#endif - { -#ifdef PNG_iTXt_SUPPORTED - textp->lang=NULL; - textp->lang_key=NULL; -#endif - textp->text = textp->key + key_len + 1; - } - if (text_length) - png_memcpy(textp->text, text_ptr[i].text, - (png_size_t)(text_length)); - *(textp->text + text_length) = '\0'; - -#ifdef PNG_iTXt_SUPPORTED - if (textp->compression > 0) - { - textp->text_length = 0; - textp->itxt_length = text_length; - } - else -#endif - { - textp->text_length = text_length; -#ifdef PNG_iTXt_SUPPORTED - textp->itxt_length = 0; -#endif - } - info_ptr->num_text++; - png_debug1(3, "transferred text chunk %d", info_ptr->num_text); - } - return(0); -} -#endif - -#if defined(PNG_tIME_SUPPORTED) -void PNGAPI -png_set_tIME(png_structp png_ptr, png_infop info_ptr, png_timep mod_time) -{ - png_debug1(1, "in %s storage function", "tIME"); - if (png_ptr == NULL || info_ptr == NULL || - (png_ptr->mode & PNG_WROTE_tIME)) - return; - - png_memcpy(&(info_ptr->mod_time), mod_time, png_sizeof(png_time)); - info_ptr->valid |= PNG_INFO_tIME; -} -#endif - -#if defined(PNG_tRNS_SUPPORTED) -void PNGAPI -png_set_tRNS(png_structp png_ptr, png_infop info_ptr, - png_bytep trans, int num_trans, png_color_16p trans_values) -{ - png_debug1(1, "in %s storage function", "tRNS"); - if (png_ptr == NULL || info_ptr == NULL) - return; - - if (trans != NULL) - { - /* - * It may not actually be necessary to set png_ptr->trans here; - * we do it for backward compatibility with the way the png_handle_tRNS - * function used to do the allocation. - */ - -#ifdef PNG_FREE_ME_SUPPORTED - png_free_data(png_ptr, info_ptr, PNG_FREE_TRNS, 0); -#endif - - /* Changed from num_trans to PNG_MAX_PALETTE_LENGTH in version 1.2.1 */ - png_ptr->trans = info_ptr->trans = (png_bytep)png_malloc(png_ptr, - (png_uint_32)PNG_MAX_PALETTE_LENGTH); - if (num_trans > 0 && num_trans <= PNG_MAX_PALETTE_LENGTH) - png_memcpy(info_ptr->trans, trans, (png_size_t)num_trans); - } - - if (trans_values != NULL) - { - int sample_max = (1 << info_ptr->bit_depth); - if ((info_ptr->color_type == PNG_COLOR_TYPE_GRAY && - (int)trans_values->gray > sample_max) || - (info_ptr->color_type == PNG_COLOR_TYPE_RGB && - ((int)trans_values->red > sample_max || - (int)trans_values->green > sample_max || - (int)trans_values->blue > sample_max))) - png_warning(png_ptr, - "tRNS chunk has out-of-range samples for bit_depth"); - png_memcpy(&(info_ptr->trans_values), trans_values, - png_sizeof(png_color_16)); - if (num_trans == 0) - num_trans = 1; - } - - info_ptr->num_trans = (png_uint_16)num_trans; - if (num_trans != 0) - { - info_ptr->valid |= PNG_INFO_tRNS; -#ifdef PNG_FREE_ME_SUPPORTED - info_ptr->free_me |= PNG_FREE_TRNS; -#else - png_ptr->flags |= PNG_FLAG_FREE_TRNS; -#endif - } -} -#endif - -#if defined(PNG_sPLT_SUPPORTED) -void PNGAPI -png_set_sPLT(png_structp png_ptr, - png_infop info_ptr, png_sPLT_tp entries, int nentries) -/* - * entries - array of png_sPLT_t structures - * to be added to the list of palettes - * in the info structure. - * nentries - number of palette structures to be - * added. - */ -{ - png_sPLT_tp np; - int i; - - if (png_ptr == NULL || info_ptr == NULL) - return; - - np = (png_sPLT_tp)png_malloc_warn(png_ptr, - (info_ptr->splt_palettes_num + nentries) * - (png_uint_32)png_sizeof(png_sPLT_t)); - if (np == NULL) - { - png_warning(png_ptr, "No memory for sPLT palettes."); - return; - } - - png_memcpy(np, info_ptr->splt_palettes, - info_ptr->splt_palettes_num * png_sizeof(png_sPLT_t)); - png_free(png_ptr, info_ptr->splt_palettes); - info_ptr->splt_palettes=NULL; - - for (i = 0; i < nentries; i++) - { - png_sPLT_tp to = np + info_ptr->splt_palettes_num + i; - png_sPLT_tp from = entries + i; - png_uint_32 length; - - length = png_strlen(from->name) + 1; - to->name = (png_charp)png_malloc_warn(png_ptr, length); - if (to->name == NULL) - { - png_warning(png_ptr, - "Out of memory while processing sPLT chunk"); - continue; - } - png_memcpy(to->name, from->name, length); - to->entries = (png_sPLT_entryp)png_malloc_warn(png_ptr, - (png_uint_32)(from->nentries * png_sizeof(png_sPLT_entry))); - if (to->entries == NULL) - { - png_warning(png_ptr, - "Out of memory while processing sPLT chunk"); - png_free(png_ptr, to->name); - to->name = NULL; - continue; - } - png_memcpy(to->entries, from->entries, - from->nentries * png_sizeof(png_sPLT_entry)); - to->nentries = from->nentries; - to->depth = from->depth; - } - - info_ptr->splt_palettes = np; - info_ptr->splt_palettes_num += nentries; - info_ptr->valid |= PNG_INFO_sPLT; -#ifdef PNG_FREE_ME_SUPPORTED - info_ptr->free_me |= PNG_FREE_SPLT; -#endif -} -#endif /* PNG_sPLT_SUPPORTED */ - -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) -void PNGAPI -png_set_unknown_chunks(png_structp png_ptr, - png_infop info_ptr, png_unknown_chunkp unknowns, int num_unknowns) -{ - png_unknown_chunkp np; - int i; - - if (png_ptr == NULL || info_ptr == NULL || num_unknowns == 0) - return; - - np = (png_unknown_chunkp)png_malloc_warn(png_ptr, - (png_uint_32)((info_ptr->unknown_chunks_num + num_unknowns) * - png_sizeof(png_unknown_chunk))); - if (np == NULL) - { - png_warning(png_ptr, - "Out of memory while processing unknown chunk."); - return; - } - - png_memcpy(np, info_ptr->unknown_chunks, - info_ptr->unknown_chunks_num * png_sizeof(png_unknown_chunk)); - png_free(png_ptr, info_ptr->unknown_chunks); - info_ptr->unknown_chunks=NULL; - - for (i = 0; i < num_unknowns; i++) - { - png_unknown_chunkp to = np + info_ptr->unknown_chunks_num + i; - png_unknown_chunkp from = unknowns + i; - - png_memcpy((png_charp)to->name, - (png_charp)from->name, - png_sizeof(from->name)); - to->name[png_sizeof(to->name)-1] = '\0'; - to->size = from->size; - /* note our location in the read or write sequence */ - to->location = (png_byte)(png_ptr->mode & 0xff); - - if (from->size == 0) - to->data=NULL; - else - { - to->data = (png_bytep)png_malloc_warn(png_ptr, - (png_uint_32)from->size); - if (to->data == NULL) - { - png_warning(png_ptr, - "Out of memory while processing unknown chunk."); - to->size = 0; - } - else - png_memcpy(to->data, from->data, from->size); - } - } - - info_ptr->unknown_chunks = np; - info_ptr->unknown_chunks_num += num_unknowns; -#ifdef PNG_FREE_ME_SUPPORTED - info_ptr->free_me |= PNG_FREE_UNKN; -#endif -} -void PNGAPI -png_set_unknown_chunk_location(png_structp png_ptr, png_infop info_ptr, - int chunk, int location) -{ - if (png_ptr != NULL && info_ptr != NULL && chunk >= 0 && chunk < - (int)info_ptr->unknown_chunks_num) - info_ptr->unknown_chunks[chunk].location = (png_byte)location; -} -#endif - -#if defined(PNG_1_0_X) || defined(PNG_1_2_X) -#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \ - defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) -void PNGAPI -png_permit_empty_plte (png_structp png_ptr, int empty_plte_permitted) -{ - /* This function is deprecated in favor of png_permit_mng_features() - and will be removed from libpng-1.3.0 */ - png_debug(1, "in png_permit_empty_plte, DEPRECATED."); - if (png_ptr == NULL) - return; - png_ptr->mng_features_permitted = (png_byte) - ((png_ptr->mng_features_permitted & (~PNG_FLAG_MNG_EMPTY_PLTE)) | - ((empty_plte_permitted & PNG_FLAG_MNG_EMPTY_PLTE))); -} -#endif -#endif - -#if defined(PNG_MNG_FEATURES_SUPPORTED) -png_uint_32 PNGAPI -png_permit_mng_features (png_structp png_ptr, png_uint_32 mng_features) -{ - png_debug(1, "in png_permit_mng_features"); - if (png_ptr == NULL) - return (png_uint_32)0; - png_ptr->mng_features_permitted = - (png_byte)(mng_features & PNG_ALL_MNG_FEATURES); - return (png_uint_32)png_ptr->mng_features_permitted; -} -#endif - -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) -void PNGAPI -png_set_keep_unknown_chunks(png_structp png_ptr, int keep, png_bytep - chunk_list, int num_chunks) -{ - png_bytep new_list, p; - int i, old_num_chunks; - if (png_ptr == NULL) - return; - if (num_chunks == 0) - { - if (keep == PNG_HANDLE_CHUNK_ALWAYS || keep == PNG_HANDLE_CHUNK_IF_SAFE) - png_ptr->flags |= PNG_FLAG_KEEP_UNKNOWN_CHUNKS; - else - png_ptr->flags &= ~PNG_FLAG_KEEP_UNKNOWN_CHUNKS; - - if (keep == PNG_HANDLE_CHUNK_ALWAYS) - png_ptr->flags |= PNG_FLAG_KEEP_UNSAFE_CHUNKS; - else - png_ptr->flags &= ~PNG_FLAG_KEEP_UNSAFE_CHUNKS; - return; - } - if (chunk_list == NULL) - return; - old_num_chunks = png_ptr->num_chunk_list; - new_list=(png_bytep)png_malloc(png_ptr, - (png_uint_32) - (5*(num_chunks + old_num_chunks))); - if (png_ptr->chunk_list != NULL) - { - png_memcpy(new_list, png_ptr->chunk_list, - (png_size_t)(5*old_num_chunks)); - png_free(png_ptr, png_ptr->chunk_list); - png_ptr->chunk_list=NULL; - } - png_memcpy(new_list + 5*old_num_chunks, chunk_list, - (png_size_t)(5*num_chunks)); - for (p = new_list + 5*old_num_chunks + 4, i = 0; inum_chunk_list = old_num_chunks + num_chunks; - png_ptr->chunk_list = new_list; -#ifdef PNG_FREE_ME_SUPPORTED - png_ptr->free_me |= PNG_FREE_LIST; -#endif -} -#endif - -#if defined(PNG_READ_USER_CHUNKS_SUPPORTED) -void PNGAPI -png_set_read_user_chunk_fn(png_structp png_ptr, png_voidp user_chunk_ptr, - png_user_chunk_ptr read_user_chunk_fn) -{ - png_debug(1, "in png_set_read_user_chunk_fn"); - if (png_ptr == NULL) - return; - png_ptr->read_user_chunk_fn = read_user_chunk_fn; - png_ptr->user_chunk_ptr = user_chunk_ptr; -} -#endif - -#if defined(PNG_INFO_IMAGE_SUPPORTED) -void PNGAPI -png_set_rows(png_structp png_ptr, png_infop info_ptr, png_bytepp row_pointers) -{ - png_debug1(1, "in %s storage function", "rows"); - - if (png_ptr == NULL || info_ptr == NULL) - return; - - if (info_ptr->row_pointers && (info_ptr->row_pointers != row_pointers)) - png_free_data(png_ptr, info_ptr, PNG_FREE_ROWS, 0); - info_ptr->row_pointers = row_pointers; - if (row_pointers) - info_ptr->valid |= PNG_INFO_IDAT; -} -#endif - -#ifdef PNG_WRITE_SUPPORTED -void PNGAPI -png_set_compression_buffer_size(png_structp png_ptr, - png_uint_32 size) -{ - if (png_ptr == NULL) - return; - png_free(png_ptr, png_ptr->zbuf); - png_ptr->zbuf_size = (png_size_t)size; - png_ptr->zbuf = (png_bytep)png_malloc(png_ptr, size); - png_ptr->zstream.next_out = png_ptr->zbuf; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; -} -#endif - -void PNGAPI -png_set_invalid(png_structp png_ptr, png_infop info_ptr, int mask) -{ - if (png_ptr && info_ptr) - info_ptr->valid &= ~mask; -} - - -#ifndef PNG_1_0_X -#ifdef PNG_ASSEMBLER_CODE_SUPPORTED -/* function was added to libpng 1.2.0 and should always exist by default */ -void PNGAPI -png_set_asm_flags (png_structp png_ptr, png_uint_32 asm_flags) -{ -/* Obsolete as of libpng-1.2.20 and will be removed from libpng-1.4.0 */ - if (png_ptr != NULL) - png_ptr->asm_flags = 0; - asm_flags = asm_flags; /* Quiet the compiler */ -} - -/* this function was added to libpng 1.2.0 */ -void PNGAPI -png_set_mmx_thresholds (png_structp png_ptr, - png_byte mmx_bitdepth_threshold, - png_uint_32 mmx_rowbytes_threshold) -{ -/* Obsolete as of libpng-1.2.20 and will be removed from libpng-1.4.0 */ - if (png_ptr == NULL) - return; - /* Quiet the compiler */ - mmx_bitdepth_threshold = mmx_bitdepth_threshold; - mmx_rowbytes_threshold = mmx_rowbytes_threshold; -} -#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */ - -#ifdef PNG_SET_USER_LIMITS_SUPPORTED -/* this function was added to libpng 1.2.6 */ -void PNGAPI -png_set_user_limits (png_structp png_ptr, png_uint_32 user_width_max, - png_uint_32 user_height_max) -{ - /* Images with dimensions larger than these limits will be - * rejected by png_set_IHDR(). To accept any PNG datastream - * regardless of dimensions, set both limits to 0x7ffffffL. - */ - if (png_ptr == NULL) return; - png_ptr->user_width_max = user_width_max; - png_ptr->user_height_max = user_height_max; -} -#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */ - -#endif /* ?PNG_1_0_X */ -#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngtest.c b/Build/source/libs/libpng/libpng-1.2.34/pngtest.c deleted file mode 100644 index 1125d1b7ac6..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngtest.c +++ /dev/null @@ -1,1688 +0,0 @@ - -/* pngtest.c - a simple test program to test libpng - * - * Last changed in libpng 1.2.32 [September 18, 2008] - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - * - * This program reads in a PNG image, writes it out again, and then - * compares the two files. If the files are identical, this shows that - * the basic chunk handling, filtering, and (de)compression code is working - * properly. It does not currently test all of the transforms, although - * it probably should. - * - * The program will report "FAIL" in certain legitimate cases: - * 1) when the compression level or filter selection method is changed. - * 2) when the maximum IDAT size (PNG_ZBUF_SIZE in pngconf.h) is not 8192. - * 3) unknown unsafe-to-copy ancillary chunks or unknown critical chunks - * exist in the input file. - * 4) others not listed here... - * In these cases, it is best to check with another tool such as "pngcheck" - * to see what the differences between the two files are. - * - * If a filename is given on the command-line, then this file is used - * for the input, rather than the default "pngtest.png". This allows - * testing a wide variety of files easily. You can also test a number - * of files at once by typing "pngtest -m file1.png file2.png ..." - */ - -#include "png.h" - -#if defined(_WIN32_WCE) -# if _WIN32_WCE < 211 - __error__ (f|w)printf functions are not supported on old WindowsCE.; -# endif -# include -# include -# define READFILE(file, data, length, check) \ - if (ReadFile(file, data, length, &check, NULL)) check = 0 -# define WRITEFILE(file, data, length, check)) \ - if (WriteFile(file, data, length, &check, NULL)) check = 0 -# define FCLOSE(file) CloseHandle(file) -#else -# include -# include -# define READFILE(file, data, length, check) \ - check=(png_size_t)fread(data, (png_size_t)1, length, file) -# define WRITEFILE(file, data, length, check) \ - check=(png_size_t)fwrite(data, (png_size_t)1, length, file) -# define FCLOSE(file) fclose(file) -#endif - -#if defined(PNG_NO_STDIO) -# if defined(_WIN32_WCE) - typedef HANDLE png_FILE_p; -# else - typedef FILE * png_FILE_p; -# endif -#endif - -/* Makes pngtest verbose so we can find problems (needs to be before png.h) */ -#ifndef PNG_DEBUG -# define PNG_DEBUG 0 -#endif - -#if !PNG_DEBUG -# define SINGLE_ROWBUF_ALLOC /* makes buffer overruns easier to nail */ -#endif - -/* Turn on CPU timing -#define PNGTEST_TIMING -*/ - -#ifdef PNG_NO_FLOATING_POINT_SUPPORTED -#undef PNGTEST_TIMING -#endif - -#ifdef PNGTEST_TIMING -static float t_start, t_stop, t_decode, t_encode, t_misc; -#include -#endif - -#if defined(PNG_TIME_RFC1123_SUPPORTED) -#define PNG_tIME_STRING_LENGTH 29 -static int tIME_chunk_present = 0; -static char tIME_string[PNG_tIME_STRING_LENGTH] = "tIME chunk is not present"; -#endif - -static int verbose = 0; - -int test_one_file PNGARG((PNG_CONST char *inname, PNG_CONST char *outname)); - -#ifdef __TURBOC__ -#include -#endif - -/* defined so I can write to a file on gui/windowing platforms */ -/* #define STDERR stderr */ -#define STDERR stdout /* for DOS */ - -/* In case a system header (e.g., on AIX) defined jmpbuf */ -#ifdef jmpbuf -# undef jmpbuf -#endif - -/* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */ -#ifndef png_jmpbuf -# define png_jmpbuf(png_ptr) png_ptr->jmpbuf -#endif - -/* example of using row callbacks to make a simple progress meter */ -static int status_pass = 1; -static int status_dots_requested = 0; -static int status_dots = 1; - -void -#ifdef PNG_1_0_X -PNGAPI -#endif -read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass); -void -#ifdef PNG_1_0_X -PNGAPI -#endif -read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass) -{ - if (png_ptr == NULL || row_number > PNG_UINT_31_MAX) return; - if (status_pass != pass) - { - fprintf(stdout, "\n Pass %d: ", pass); - status_pass = pass; - status_dots = 31; - } - status_dots--; - if (status_dots == 0) - { - fprintf(stdout, "\n "); - status_dots=30; - } - fprintf(stdout, "r"); -} - -void -#ifdef PNG_1_0_X -PNGAPI -#endif -write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass); -void -#ifdef PNG_1_0_X -PNGAPI -#endif -write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass) -{ - if (png_ptr == NULL || row_number > PNG_UINT_31_MAX || pass > 7) return; - fprintf(stdout, "w"); -} - - -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) -/* Example of using user transform callback (we don't transform anything, - but merely examine the row filters. We set this to 256 rather than - 5 in case illegal filter values are present.) */ -static png_uint_32 filters_used[256]; -void -#ifdef PNG_1_0_X -PNGAPI -#endif -count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data); -void -#ifdef PNG_1_0_X -PNGAPI -#endif -count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data) -{ - if (png_ptr != NULL && row_info != NULL) - ++filters_used[*(data - 1)]; -} -#endif - -#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) -/* example of using user transform callback (we don't transform anything, - but merely count the zero samples) */ - -static png_uint_32 zero_samples; - -void -#ifdef PNG_1_0_X -PNGAPI -#endif -count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data); -void -#ifdef PNG_1_0_X -PNGAPI -#endif -count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data) -{ - png_bytep dp = data; - if (png_ptr == NULL)return; - - /* contents of row_info: - * png_uint_32 width width of row - * png_uint_32 rowbytes number of bytes in row - * png_byte color_type color type of pixels - * png_byte bit_depth bit depth of samples - * png_byte channels number of channels (1-4) - * png_byte pixel_depth bits per pixel (depth*channels) - */ - - - /* counts the number of zero samples (or zero pixels if color_type is 3 */ - - if (row_info->color_type == 0 || row_info->color_type == 3) - { - int pos = 0; - png_uint_32 n, nstop; - for (n = 0, nstop=row_info->width; nbit_depth == 1) - { - if (((*dp << pos++ ) & 0x80) == 0) zero_samples++; - if (pos == 8) - { - pos = 0; - dp++; - } - } - if (row_info->bit_depth == 2) - { - if (((*dp << (pos+=2)) & 0xc0) == 0) zero_samples++; - if (pos == 8) - { - pos = 0; - dp++; - } - } - if (row_info->bit_depth == 4) - { - if (((*dp << (pos+=4)) & 0xf0) == 0) zero_samples++; - if (pos == 8) - { - pos = 0; - dp++; - } - } - if (row_info->bit_depth == 8) - if (*dp++ == 0) zero_samples++; - if (row_info->bit_depth == 16) - { - if ((*dp | *(dp+1)) == 0) zero_samples++; - dp+=2; - } - } - } - else /* other color types */ - { - png_uint_32 n, nstop; - int channel; - int color_channels = row_info->channels; - if (row_info->color_type > 3)color_channels--; - - for (n = 0, nstop=row_info->width; nbit_depth == 8) - if (*dp++ == 0) zero_samples++; - if (row_info->bit_depth == 16) - { - if ((*dp | *(dp+1)) == 0) zero_samples++; - dp+=2; - } - } - if (row_info->color_type > 3) - { - dp++; - if (row_info->bit_depth == 16)dp++; - } - } - } -} -#endif /* PNG_WRITE_USER_TRANSFORM_SUPPORTED */ - -static int wrote_question = 0; - -#if defined(PNG_NO_STDIO) -/* START of code to validate stdio-free compilation */ -/* These copies of the default read/write functions come from pngrio.c and */ -/* pngwio.c. They allow "don't include stdio" testing of the library. */ -/* This is the function that does the actual reading of data. If you are - not reading from a standard C stream, you should create a replacement - read_data function and use it at run time with png_set_read_fn(), rather - than changing the library. */ - -#ifndef USE_FAR_KEYWORD -static void -pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length) -{ - png_size_t check; - - /* fread() returns 0 on error, so it is OK to store this in a png_size_t - * instead of an int, which is what fread() actually returns. - */ - READFILE((png_FILE_p)png_ptr->io_ptr, data, length, check); - - if (check != length) - { - png_error(png_ptr, "Read Error!"); - } -} -#else -/* this is the model-independent version. Since the standard I/O library - can't handle far buffers in the medium and small models, we have to copy - the data. -*/ - -#define NEAR_BUF_SIZE 1024 -#define MIN(a,b) (a <= b ? a : b) - -static void -pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length) -{ - int check; - png_byte *n_data; - png_FILE_p io_ptr; - - /* Check if data really is near. If so, use usual code. */ - n_data = (png_byte *)CVT_PTR_NOCHECK(data); - io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr); - if ((png_bytep)n_data == data) - { - READFILE(io_ptr, n_data, length, check); - } - else - { - png_byte buf[NEAR_BUF_SIZE]; - png_size_t read, remaining, err; - check = 0; - remaining = length; - do - { - read = MIN(NEAR_BUF_SIZE, remaining); - READFILE(io_ptr, buf, 1, err); - png_memcpy(data, buf, read); /* copy far buffer to near buffer */ - if (err != read) - break; - else - check += err; - data += read; - remaining -= read; - } - while (remaining != 0); - } - if (check != length) - { - png_error(png_ptr, "read Error"); - } -} -#endif /* USE_FAR_KEYWORD */ - -#if defined(PNG_WRITE_FLUSH_SUPPORTED) -static void -pngtest_flush(png_structp png_ptr) -{ -#if !defined(_WIN32_WCE) - png_FILE_p io_ptr; - io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr)); - if (io_ptr != NULL) - fflush(io_ptr); -#endif -} -#endif - -/* This is the function that does the actual writing of data. If you are - not writing to a standard C stream, you should create a replacement - write_data function and use it at run time with png_set_write_fn(), rather - than changing the library. */ -#ifndef USE_FAR_KEYWORD -static void -pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length) -{ - png_uint_32 check; - - WRITEFILE((png_FILE_p)png_ptr->io_ptr, data, length, check); - if (check != length) - { - png_error(png_ptr, "Write Error"); - } -} -#else -/* this is the model-independent version. Since the standard I/O library - can't handle far buffers in the medium and small models, we have to copy - the data. -*/ - -#define NEAR_BUF_SIZE 1024 -#define MIN(a,b) (a <= b ? a : b) - -static void -pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length) -{ - png_uint_32 check; - png_byte *near_data; /* Needs to be "png_byte *" instead of "png_bytep" */ - png_FILE_p io_ptr; - - /* Check if data really is near. If so, use usual code. */ - near_data = (png_byte *)CVT_PTR_NOCHECK(data); - io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr); - if ((png_bytep)near_data == data) - { - WRITEFILE(io_ptr, near_data, length, check); - } - else - { - png_byte buf[NEAR_BUF_SIZE]; - png_size_t written, remaining, err; - check = 0; - remaining = length; - do - { - written = MIN(NEAR_BUF_SIZE, remaining); - png_memcpy(buf, data, written); /* copy far buffer to near buffer */ - WRITEFILE(io_ptr, buf, written, err); - if (err != written) - break; - else - check += err; - data += written; - remaining -= written; - } - while (remaining != 0); - } - if (check != length) - { - png_error(png_ptr, "Write Error"); - } -} -#endif /* USE_FAR_KEYWORD */ - -/* This function is called when there is a warning, but the library thinks - * it can continue anyway. Replacement functions don't have to do anything - * here if you don't want to. In the default configuration, png_ptr is - * not used, but it is passed in case it may be useful. - */ -static void -pngtest_warning(png_structp png_ptr, png_const_charp message) -{ - PNG_CONST char *name = "UNKNOWN (ERROR!)"; - if (png_ptr != NULL && png_ptr->error_ptr != NULL) - name = png_ptr->error_ptr; - fprintf(STDERR, "%s: libpng warning: %s\n", name, message); -} - -/* This is the default error handling function. Note that replacements for - * this function MUST NOT RETURN, or the program will likely crash. This - * function is used by default, or if the program supplies NULL for the - * error function pointer in png_set_error_fn(). - */ -static void -pngtest_error(png_structp png_ptr, png_const_charp message) -{ - pngtest_warning(png_ptr, message); - /* We can return because png_error calls the default handler, which is - * actually OK in this case. */ -} -#endif /* PNG_NO_STDIO */ -/* END of code to validate stdio-free compilation */ - -/* START of code to validate memory allocation and deallocation */ -#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG - -/* Allocate memory. For reasonable files, size should never exceed - 64K. However, zlib may allocate more then 64K if you don't tell - it not to. See zconf.h and png.h for more information. zlib does - need to allocate exactly 64K, so whatever you call here must - have the ability to do that. - - This piece of code can be compiled to validate max 64K allocations - by setting MAXSEG_64K in zlib zconf.h *or* PNG_MAX_MALLOC_64K. */ -typedef struct memory_information -{ - png_uint_32 size; - png_voidp pointer; - struct memory_information FAR *next; -} memory_information; -typedef memory_information FAR *memory_infop; - -static memory_infop pinformation = NULL; -static int current_allocation = 0; -static int maximum_allocation = 0; -static int total_allocation = 0; -static int num_allocations = 0; - -png_voidp png_debug_malloc PNGARG((png_structp png_ptr, png_uint_32 size)); -void png_debug_free PNGARG((png_structp png_ptr, png_voidp ptr)); - -png_voidp -png_debug_malloc(png_structp png_ptr, png_uint_32 size) -{ - - /* png_malloc has already tested for NULL; png_create_struct calls - png_debug_malloc directly, with png_ptr == NULL which is OK */ - - if (size == 0) - return (NULL); - - /* This calls the library allocator twice, once to get the requested - buffer and once to get a new free list entry. */ - { - /* Disable malloc_fn and free_fn */ - memory_infop pinfo; - png_set_mem_fn(png_ptr, NULL, NULL, NULL); - pinfo = (memory_infop)png_malloc(png_ptr, - (png_uint_32)png_sizeof(*pinfo)); - pinfo->size = size; - current_allocation += size; - total_allocation += size; - num_allocations ++; - if (current_allocation > maximum_allocation) - maximum_allocation = current_allocation; - pinfo->pointer = (png_voidp)png_malloc(png_ptr, size); - /* Restore malloc_fn and free_fn */ - png_set_mem_fn(png_ptr, - png_voidp_NULL, (png_malloc_ptr)png_debug_malloc, - (png_free_ptr)png_debug_free); - if (size != 0 && pinfo->pointer == NULL) - { - current_allocation -= size; - total_allocation -= size; - png_error(png_ptr, - "out of memory in pngtest->png_debug_malloc."); - } - pinfo->next = pinformation; - pinformation = pinfo; - /* Make sure the caller isn't assuming zeroed memory. */ - png_memset(pinfo->pointer, 0xdd, pinfo->size); - if (verbose) - printf("png_malloc %lu bytes at %x\n", (unsigned long)size, - pinfo->pointer); - return (png_voidp)(pinfo->pointer); - } -} - -/* Free a pointer. It is removed from the list at the same time. */ -void -png_debug_free(png_structp png_ptr, png_voidp ptr) -{ - if (png_ptr == NULL) - fprintf(STDERR, "NULL pointer to png_debug_free.\n"); - if (ptr == 0) - { -#if 0 /* This happens all the time. */ - fprintf(STDERR, "WARNING: freeing NULL pointer\n"); -#endif - return; - } - - /* Unlink the element from the list. */ - { - memory_infop FAR *ppinfo = &pinformation; - for (;;) - { - memory_infop pinfo = *ppinfo; - if (pinfo->pointer == ptr) - { - *ppinfo = pinfo->next; - current_allocation -= pinfo->size; - if (current_allocation < 0) - fprintf(STDERR, "Duplicate free of memory\n"); - /* We must free the list element too, but first kill - the memory that is to be freed. */ - png_memset(ptr, 0x55, pinfo->size); - png_free_default(png_ptr, pinfo); - pinfo = NULL; - break; - } - if (pinfo->next == NULL) - { - fprintf(STDERR, "Pointer %x not found\n", (unsigned int)ptr); - break; - } - ppinfo = &pinfo->next; - } - } - - /* Finally free the data. */ - if (verbose) - printf("Freeing %x\n", ptr); - png_free_default(png_ptr, ptr); - ptr = NULL; -} -#endif /* PNG_USER_MEM_SUPPORTED && PNG_DEBUG */ -/* END of code to test memory allocation/deallocation */ - - -/* Demonstration of user chunk support of the sTER and vpAg chunks */ -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) - -/* (sTER is a public chunk not yet understood by libpng. vpAg is a private -chunk used in ImageMagick to store "virtual page" size). */ - -static png_uint_32 user_chunk_data[4]; - - /* 0: sTER mode + 1 - * 1: vpAg width - * 2: vpAg height - * 3: vpAg units - */ - -static int read_user_chunk_callback(png_struct *png_ptr, - png_unknown_chunkp chunk) -{ - png_uint_32 - *user_chunk_data; - - /* Return one of the following: */ - /* return (-n); chunk had an error */ - /* return (0); did not recognize */ - /* return (n); success */ - - /* The unknown chunk structure contains the chunk data: - * png_byte name[5]; - * png_byte *data; - * png_size_t size; - * - * Note that libpng has already taken care of the CRC handling. - */ - - if (chunk->name[0] == 115 && chunk->name[1] == 84 && /* s T */ - chunk->name[2] == 69 && chunk->name[3] == 82) /* E R */ - { - /* Found sTER chunk */ - if (chunk->size != 1) - return (-1); /* Error return */ - if (chunk->data[0] != 0 && chunk->data[0] != 1) - return (-1); /* Invalid mode */ - user_chunk_data=(png_uint_32 *) png_get_user_chunk_ptr(png_ptr); - user_chunk_data[0]=chunk->data[0]+1; - return (1); - } - if (chunk->name[0] != 118 || chunk->name[1] != 112 || /* v p */ - chunk->name[2] != 65 || chunk->name[3] != 103) /* A g */ - return (0); /* Did not recognize */ - - /* Found ImageMagick vpAg chunk */ - - if (chunk->size != 9) - return (-1); /* Error return */ - - user_chunk_data=(png_uint_32 *) png_get_user_chunk_ptr(png_ptr); - - user_chunk_data[1]=png_get_uint_31(png_ptr, chunk->data); - user_chunk_data[2]=png_get_uint_31(png_ptr, chunk->data + 4); - user_chunk_data[3]=(png_uint_32)chunk->data[8]; - - return (1); - -} -#endif -/* END of code to demonstrate user chunk support */ - -/* Test one file */ -int -test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) -{ - static png_FILE_p fpin; - static png_FILE_p fpout; /* "static" prevents setjmp corruption */ - png_structp read_ptr; - png_infop read_info_ptr, end_info_ptr; -#ifdef PNG_WRITE_SUPPORTED - png_structp write_ptr; - png_infop write_info_ptr; - png_infop write_end_info_ptr; -#else - png_structp write_ptr = NULL; - png_infop write_info_ptr = NULL; - png_infop write_end_info_ptr = NULL; -#endif - png_bytep row_buf; - png_uint_32 y; - png_uint_32 width, height; - int num_pass, pass; - int bit_depth, color_type; -#ifdef PNG_SETJMP_SUPPORTED -#ifdef USE_FAR_KEYWORD - jmp_buf jmpbuf; -#endif -#endif - -#if defined(_WIN32_WCE) - TCHAR path[MAX_PATH]; -#endif - char inbuf[256], outbuf[256]; - - row_buf = NULL; - -#if defined(_WIN32_WCE) - MultiByteToWideChar(CP_ACP, 0, inname, -1, path, MAX_PATH); - if ((fpin = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE) -#else - if ((fpin = fopen(inname, "rb")) == NULL) -#endif - { - fprintf(STDERR, "Could not find input file %s\n", inname); - return (1); - } - -#if defined(_WIN32_WCE) - MultiByteToWideChar(CP_ACP, 0, outname, -1, path, MAX_PATH); - if ((fpout = CreateFile(path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL)) == INVALID_HANDLE_VALUE) -#else - if ((fpout = fopen(outname, "wb")) == NULL) -#endif - { - fprintf(STDERR, "Could not open output file %s\n", outname); - FCLOSE(fpin); - return (1); - } - - png_debug(0, "Allocating read and write structures"); -#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG - read_ptr = - png_create_read_struct_2(PNG_LIBPNG_VER_STRING, png_voidp_NULL, - png_error_ptr_NULL, png_error_ptr_NULL, png_voidp_NULL, - (png_malloc_ptr)png_debug_malloc, (png_free_ptr)png_debug_free); -#else - read_ptr = - png_create_read_struct(PNG_LIBPNG_VER_STRING, png_voidp_NULL, - png_error_ptr_NULL, png_error_ptr_NULL); -#endif -#if defined(PNG_NO_STDIO) - png_set_error_fn(read_ptr, (png_voidp)inname, pngtest_error, - pngtest_warning); -#endif - -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) - user_chunk_data[0] = 0; - user_chunk_data[1] = 0; - user_chunk_data[2] = 0; - user_chunk_data[3] = 0; - png_set_read_user_chunk_fn(read_ptr, user_chunk_data, - read_user_chunk_callback); - -#endif -#ifdef PNG_WRITE_SUPPORTED -#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG - write_ptr = - png_create_write_struct_2(PNG_LIBPNG_VER_STRING, png_voidp_NULL, - png_error_ptr_NULL, png_error_ptr_NULL, png_voidp_NULL, - (png_malloc_ptr)png_debug_malloc, (png_free_ptr)png_debug_free); -#else - write_ptr = - png_create_write_struct(PNG_LIBPNG_VER_STRING, png_voidp_NULL, - png_error_ptr_NULL, png_error_ptr_NULL); -#endif -#if defined(PNG_NO_STDIO) - png_set_error_fn(write_ptr, (png_voidp)inname, pngtest_error, - pngtest_warning); -#endif -#endif - png_debug(0, "Allocating read_info, write_info and end_info structures"); - read_info_ptr = png_create_info_struct(read_ptr); - end_info_ptr = png_create_info_struct(read_ptr); -#ifdef PNG_WRITE_SUPPORTED - write_info_ptr = png_create_info_struct(write_ptr); - write_end_info_ptr = png_create_info_struct(write_ptr); -#endif - -#ifdef PNG_SETJMP_SUPPORTED - png_debug(0, "Setting jmpbuf for read struct"); -#ifdef USE_FAR_KEYWORD - if (setjmp(jmpbuf)) -#else - if (setjmp(png_jmpbuf(read_ptr))) -#endif - { - fprintf(STDERR, "%s -> %s: libpng read error\n", inname, outname); - png_free(read_ptr, row_buf); - row_buf = NULL; - png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr); -#ifdef PNG_WRITE_SUPPORTED - png_destroy_info_struct(write_ptr, &write_end_info_ptr); - png_destroy_write_struct(&write_ptr, &write_info_ptr); -#endif - FCLOSE(fpin); - FCLOSE(fpout); - return (1); - } -#ifdef USE_FAR_KEYWORD - png_memcpy(png_jmpbuf(read_ptr), jmpbuf, png_sizeof(jmp_buf)); -#endif - -#ifdef PNG_WRITE_SUPPORTED - png_debug(0, "Setting jmpbuf for write struct"); -#ifdef USE_FAR_KEYWORD - if (setjmp(jmpbuf)) -#else - if (setjmp(png_jmpbuf(write_ptr))) -#endif - { - fprintf(STDERR, "%s -> %s: libpng write error\n", inname, outname); - png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr); - png_destroy_info_struct(write_ptr, &write_end_info_ptr); -#ifdef PNG_WRITE_SUPPORTED - png_destroy_write_struct(&write_ptr, &write_info_ptr); -#endif - FCLOSE(fpin); - FCLOSE(fpout); - return (1); - } -#ifdef USE_FAR_KEYWORD - png_memcpy(png_jmpbuf(write_ptr), jmpbuf, png_sizeof(jmp_buf)); -#endif -#endif -#endif - - png_debug(0, "Initializing input and output streams"); -#if !defined(PNG_NO_STDIO) - png_init_io(read_ptr, fpin); -# ifdef PNG_WRITE_SUPPORTED - png_init_io(write_ptr, fpout); -# endif -#else - png_set_read_fn(read_ptr, (png_voidp)fpin, pngtest_read_data); -# ifdef PNG_WRITE_SUPPORTED - png_set_write_fn(write_ptr, (png_voidp)fpout, pngtest_write_data, -# if defined(PNG_WRITE_FLUSH_SUPPORTED) - pngtest_flush); -# else - NULL); -# endif -# endif -#endif - if (status_dots_requested == 1) - { -#ifdef PNG_WRITE_SUPPORTED - png_set_write_status_fn(write_ptr, write_row_callback); -#endif - png_set_read_status_fn(read_ptr, read_row_callback); - } - else - { -#ifdef PNG_WRITE_SUPPORTED - png_set_write_status_fn(write_ptr, png_write_status_ptr_NULL); -#endif - png_set_read_status_fn(read_ptr, png_read_status_ptr_NULL); - } - -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) - { - int i; - for (i = 0; i<256; i++) - filters_used[i] = 0; - png_set_read_user_transform_fn(read_ptr, count_filters); - } -#endif -#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) - zero_samples = 0; - png_set_write_user_transform_fn(write_ptr, count_zero_samples); -#endif - -#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) -# ifndef PNG_HANDLE_CHUNK_ALWAYS -# define PNG_HANDLE_CHUNK_ALWAYS 3 -# endif - png_set_keep_unknown_chunks(read_ptr, PNG_HANDLE_CHUNK_ALWAYS, - png_bytep_NULL, 0); -#endif -#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED) -# ifndef PNG_HANDLE_CHUNK_IF_SAFE -# define PNG_HANDLE_CHUNK_IF_SAFE 2 -# endif - png_set_keep_unknown_chunks(write_ptr, PNG_HANDLE_CHUNK_IF_SAFE, - png_bytep_NULL, 0); -#endif - - png_debug(0, "Reading info struct"); - png_read_info(read_ptr, read_info_ptr); - - png_debug(0, "Transferring info struct"); - { - int interlace_type, compression_type, filter_type; - - if (png_get_IHDR(read_ptr, read_info_ptr, &width, &height, &bit_depth, - &color_type, &interlace_type, &compression_type, &filter_type)) - { - png_set_IHDR(write_ptr, write_info_ptr, width, height, bit_depth, -#if defined(PNG_WRITE_INTERLACING_SUPPORTED) - color_type, interlace_type, compression_type, filter_type); -#else - color_type, PNG_INTERLACE_NONE, compression_type, filter_type); -#endif - } - } -#if defined(PNG_FIXED_POINT_SUPPORTED) -#if defined(PNG_cHRM_SUPPORTED) - { - png_fixed_point white_x, white_y, red_x, red_y, green_x, green_y, blue_x, - blue_y; - if (png_get_cHRM_fixed(read_ptr, read_info_ptr, &white_x, &white_y, &red_x, - &red_y, &green_x, &green_y, &blue_x, &blue_y)) - { - png_set_cHRM_fixed(write_ptr, write_info_ptr, white_x, white_y, red_x, - red_y, green_x, green_y, blue_x, blue_y); - } - } -#endif -#if defined(PNG_gAMA_SUPPORTED) - { - png_fixed_point gamma; - - if (png_get_gAMA_fixed(read_ptr, read_info_ptr, &gamma)) - { - png_set_gAMA_fixed(write_ptr, write_info_ptr, gamma); - } - } -#endif -#else /* Use floating point versions */ -#if defined(PNG_FLOATING_POINT_SUPPORTED) -#if defined(PNG_cHRM_SUPPORTED) - { - double white_x, white_y, red_x, red_y, green_x, green_y, blue_x, - blue_y; - if (png_get_cHRM(read_ptr, read_info_ptr, &white_x, &white_y, &red_x, - &red_y, &green_x, &green_y, &blue_x, &blue_y)) - { - png_set_cHRM(write_ptr, write_info_ptr, white_x, white_y, red_x, - red_y, green_x, green_y, blue_x, blue_y); - } - } -#endif -#if defined(PNG_gAMA_SUPPORTED) - { - double gamma; - - if (png_get_gAMA(read_ptr, read_info_ptr, &gamma)) - { - png_set_gAMA(write_ptr, write_info_ptr, gamma); - } - } -#endif -#endif /* floating point */ -#endif /* fixed point */ -#if defined(PNG_iCCP_SUPPORTED) - { - png_charp name; - png_charp profile; - png_uint_32 proflen; - int compression_type; - - if (png_get_iCCP(read_ptr, read_info_ptr, &name, &compression_type, - &profile, &proflen)) - { - png_set_iCCP(write_ptr, write_info_ptr, name, compression_type, - profile, proflen); - } - } -#endif -#if defined(PNG_sRGB_SUPPORTED) - { - int intent; - - if (png_get_sRGB(read_ptr, read_info_ptr, &intent)) - { - png_set_sRGB(write_ptr, write_info_ptr, intent); - } - } -#endif - { - png_colorp palette; - int num_palette; - - if (png_get_PLTE(read_ptr, read_info_ptr, &palette, &num_palette)) - { - png_set_PLTE(write_ptr, write_info_ptr, palette, num_palette); - } - } -#if defined(PNG_bKGD_SUPPORTED) - { - png_color_16p background; - - if (png_get_bKGD(read_ptr, read_info_ptr, &background)) - { - png_set_bKGD(write_ptr, write_info_ptr, background); - } - } -#endif -#if defined(PNG_hIST_SUPPORTED) - { - png_uint_16p hist; - - if (png_get_hIST(read_ptr, read_info_ptr, &hist)) - { - png_set_hIST(write_ptr, write_info_ptr, hist); - } - } -#endif -#if defined(PNG_oFFs_SUPPORTED) - { - png_int_32 offset_x, offset_y; - int unit_type; - - if (png_get_oFFs(read_ptr, read_info_ptr, &offset_x, &offset_y, - &unit_type)) - { - png_set_oFFs(write_ptr, write_info_ptr, offset_x, offset_y, unit_type); - } - } -#endif -#if defined(PNG_pCAL_SUPPORTED) - { - png_charp purpose, units; - png_charpp params; - png_int_32 X0, X1; - int type, nparams; - - if (png_get_pCAL(read_ptr, read_info_ptr, &purpose, &X0, &X1, &type, - &nparams, &units, ¶ms)) - { - png_set_pCAL(write_ptr, write_info_ptr, purpose, X0, X1, type, - nparams, units, params); - } - } -#endif -#if defined(PNG_pHYs_SUPPORTED) - { - png_uint_32 res_x, res_y; - int unit_type; - - if (png_get_pHYs(read_ptr, read_info_ptr, &res_x, &res_y, &unit_type)) - { - png_set_pHYs(write_ptr, write_info_ptr, res_x, res_y, unit_type); - } - } -#endif -#if defined(PNG_sBIT_SUPPORTED) - { - png_color_8p sig_bit; - - if (png_get_sBIT(read_ptr, read_info_ptr, &sig_bit)) - { - png_set_sBIT(write_ptr, write_info_ptr, sig_bit); - } - } -#endif -#if defined(PNG_sCAL_SUPPORTED) -#ifdef PNG_FLOATING_POINT_SUPPORTED - { - int unit; - double scal_width, scal_height; - - if (png_get_sCAL(read_ptr, read_info_ptr, &unit, &scal_width, - &scal_height)) - { - png_set_sCAL(write_ptr, write_info_ptr, unit, scal_width, scal_height); - } - } -#else -#ifdef PNG_FIXED_POINT_SUPPORTED - { - int unit; - png_charp scal_width, scal_height; - - if (png_get_sCAL_s(read_ptr, read_info_ptr, &unit, &scal_width, - &scal_height)) - { - png_set_sCAL_s(write_ptr, write_info_ptr, unit, scal_width, scal_height); - } - } -#endif -#endif -#endif -#if defined(PNG_TEXT_SUPPORTED) - { - png_textp text_ptr; - int num_text; - - if (png_get_text(read_ptr, read_info_ptr, &text_ptr, &num_text) > 0) - { - png_debug1(0, "Handling %d iTXt/tEXt/zTXt chunks", num_text); - png_set_text(write_ptr, write_info_ptr, text_ptr, num_text); - } - } -#endif -#if defined(PNG_tIME_SUPPORTED) - { - png_timep mod_time; - - if (png_get_tIME(read_ptr, read_info_ptr, &mod_time)) - { - png_set_tIME(write_ptr, write_info_ptr, mod_time); -#if defined(PNG_TIME_RFC1123_SUPPORTED) - /* we have to use png_memcpy instead of "=" because the string - pointed to by png_convert_to_rfc1123() gets free'ed before - we use it */ - png_memcpy(tIME_string, - png_convert_to_rfc1123(read_ptr, mod_time), - png_sizeof(tIME_string)); - tIME_string[png_sizeof(tIME_string) - 1] = '\0'; - tIME_chunk_present++; -#endif /* PNG_TIME_RFC1123_SUPPORTED */ - } - } -#endif -#if defined(PNG_tRNS_SUPPORTED) - { - png_bytep trans; - int num_trans; - png_color_16p trans_values; - - if (png_get_tRNS(read_ptr, read_info_ptr, &trans, &num_trans, - &trans_values)) - { - int sample_max = (1 << read_info_ptr->bit_depth); - /* libpng doesn't reject a tRNS chunk with out-of-range samples */ - if (!((read_info_ptr->color_type == PNG_COLOR_TYPE_GRAY && - (int)trans_values->gray > sample_max) || - (read_info_ptr->color_type == PNG_COLOR_TYPE_RGB && - ((int)trans_values->red > sample_max || - (int)trans_values->green > sample_max || - (int)trans_values->blue > sample_max)))) - png_set_tRNS(write_ptr, write_info_ptr, trans, num_trans, - trans_values); - } - } -#endif -#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED) - { - png_unknown_chunkp unknowns; - int num_unknowns = (int)png_get_unknown_chunks(read_ptr, read_info_ptr, - &unknowns); - if (num_unknowns) - { - png_size_t i; - png_set_unknown_chunks(write_ptr, write_info_ptr, unknowns, - num_unknowns); - /* copy the locations from the read_info_ptr. The automatically - generated locations in write_info_ptr are wrong because we - haven't written anything yet */ - for (i = 0; i < (png_size_t)num_unknowns; i++) - png_set_unknown_chunk_location(write_ptr, write_info_ptr, i, - unknowns[i].location); - } - } -#endif - -#ifdef PNG_WRITE_SUPPORTED - png_debug(0, "Writing info struct"); - -/* If we wanted, we could write info in two steps: - png_write_info_before_PLTE(write_ptr, write_info_ptr); - */ - png_write_info(write_ptr, write_info_ptr); - -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) - if (user_chunk_data[0] != 0) - { - png_byte png_sTER[5] = {115, 84, 69, 82, '\0'}; - - unsigned char - ster_chunk_data[1]; - - if (verbose) - fprintf(STDERR, "stereo mode = %lu\n", - (unsigned long)(user_chunk_data[0] - 1)); - ster_chunk_data[0]=(unsigned char)(user_chunk_data[0] - 1); - png_write_chunk(write_ptr, png_sTER, ster_chunk_data, 1); - } - if (user_chunk_data[1] != 0 || user_chunk_data[2] != 0) - { - png_byte png_vpAg[5] = {118, 112, 65, 103, '\0'}; - - unsigned char - vpag_chunk_data[9]; - - if (verbose) - fprintf(STDERR, "vpAg = %lu x %lu, units=%lu\n", - (unsigned long)user_chunk_data[1], - (unsigned long)user_chunk_data[2], - (unsigned long)user_chunk_data[3]); - png_save_uint_32(vpag_chunk_data, user_chunk_data[1]); - png_save_uint_32(vpag_chunk_data + 4, user_chunk_data[2]); - vpag_chunk_data[8] = (unsigned char)(user_chunk_data[3] & 0xff); - png_write_chunk(write_ptr, png_vpAg, vpag_chunk_data, 9); - } - -#endif -#endif - -#ifdef SINGLE_ROWBUF_ALLOC - png_debug(0, "Allocating row buffer..."); - row_buf = (png_bytep)png_malloc(read_ptr, - png_get_rowbytes(read_ptr, read_info_ptr)); - png_debug1(0, "0x%08lx", (unsigned long)row_buf); -#endif /* SINGLE_ROWBUF_ALLOC */ - png_debug(0, "Writing row data"); - -#if defined(PNG_READ_INTERLACING_SUPPORTED) || \ - defined(PNG_WRITE_INTERLACING_SUPPORTED) - num_pass = png_set_interlace_handling(read_ptr); -# ifdef PNG_WRITE_SUPPORTED - png_set_interlace_handling(write_ptr); -# endif -#else - num_pass = 1; -#endif - -#ifdef PNGTEST_TIMING - t_stop = (float)clock(); - t_misc += (t_stop - t_start); - t_start = t_stop; -#endif - for (pass = 0; pass < num_pass; pass++) - { - png_debug1(0, "Writing row data for pass %d", pass); - for (y = 0; y < height; y++) - { -#ifndef SINGLE_ROWBUF_ALLOC - png_debug2(0, "\nAllocating row buffer (pass %d, y = %ld)...", pass, y); - row_buf = (png_bytep)png_malloc(read_ptr, - png_get_rowbytes(read_ptr, read_info_ptr)); - png_debug2(0, "0x%08lx (%ld bytes)", (unsigned long)row_buf, - png_get_rowbytes(read_ptr, read_info_ptr)); -#endif /* !SINGLE_ROWBUF_ALLOC */ - png_read_rows(read_ptr, (png_bytepp)&row_buf, png_bytepp_NULL, 1); - -#ifdef PNG_WRITE_SUPPORTED -#ifdef PNGTEST_TIMING - t_stop = (float)clock(); - t_decode += (t_stop - t_start); - t_start = t_stop; -#endif - png_write_rows(write_ptr, (png_bytepp)&row_buf, 1); -#ifdef PNGTEST_TIMING - t_stop = (float)clock(); - t_encode += (t_stop - t_start); - t_start = t_stop; -#endif -#endif /* PNG_WRITE_SUPPORTED */ - -#ifndef SINGLE_ROWBUF_ALLOC - png_debug2(0, "Freeing row buffer (pass %d, y = %ld)", pass, y); - png_free(read_ptr, row_buf); - row_buf = NULL; -#endif /* !SINGLE_ROWBUF_ALLOC */ - } - } - -#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) - png_free_data(read_ptr, read_info_ptr, PNG_FREE_UNKN, -1); -#endif -#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED) - png_free_data(write_ptr, write_info_ptr, PNG_FREE_UNKN, -1); -#endif - - png_debug(0, "Reading and writing end_info data"); - - png_read_end(read_ptr, end_info_ptr); -#if defined(PNG_TEXT_SUPPORTED) - { - png_textp text_ptr; - int num_text; - - if (png_get_text(read_ptr, end_info_ptr, &text_ptr, &num_text) > 0) - { - png_debug1(0, "Handling %d iTXt/tEXt/zTXt chunks", num_text); - png_set_text(write_ptr, write_end_info_ptr, text_ptr, num_text); - } - } -#endif -#if defined(PNG_tIME_SUPPORTED) - { - png_timep mod_time; - - if (png_get_tIME(read_ptr, end_info_ptr, &mod_time)) - { - png_set_tIME(write_ptr, write_end_info_ptr, mod_time); -#if defined(PNG_TIME_RFC1123_SUPPORTED) - /* we have to use png_memcpy instead of "=" because the string - pointed to by png_convert_to_rfc1123() gets free'ed before - we use it */ - png_memcpy(tIME_string, - png_convert_to_rfc1123(read_ptr, mod_time), - png_sizeof(tIME_string)); - tIME_string[png_sizeof(tIME_string) - 1] = '\0'; - tIME_chunk_present++; -#endif /* PNG_TIME_RFC1123_SUPPORTED */ - } - } -#endif -#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED) - { - png_unknown_chunkp unknowns; - int num_unknowns; - num_unknowns = (int)png_get_unknown_chunks(read_ptr, end_info_ptr, - &unknowns); - if (num_unknowns) - { - png_size_t i; - png_set_unknown_chunks(write_ptr, write_end_info_ptr, unknowns, - num_unknowns); - /* copy the locations from the read_info_ptr. The automatically - generated locations in write_end_info_ptr are wrong because we - haven't written the end_info yet */ - for (i = 0; i < (png_size_t)num_unknowns; i++) - png_set_unknown_chunk_location(write_ptr, write_end_info_ptr, i, - unknowns[i].location); - } - } -#endif -#ifdef PNG_WRITE_SUPPORTED - png_write_end(write_ptr, write_end_info_ptr); -#endif - -#ifdef PNG_EASY_ACCESS_SUPPORTED - if (verbose) - { - png_uint_32 iwidth, iheight; - iwidth = png_get_image_width(write_ptr, write_info_ptr); - iheight = png_get_image_height(write_ptr, write_info_ptr); - fprintf(STDERR, "Image width = %lu, height = %lu\n", - (unsigned long)iwidth, (unsigned long)iheight); - } -#endif - - png_debug(0, "Destroying data structs"); -#ifdef SINGLE_ROWBUF_ALLOC - png_debug(1, "destroying row_buf for read_ptr"); - png_free(read_ptr, row_buf); - row_buf = NULL; -#endif /* SINGLE_ROWBUF_ALLOC */ - png_debug(1, "destroying read_ptr, read_info_ptr, end_info_ptr"); - png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr); -#ifdef PNG_WRITE_SUPPORTED - png_debug(1, "destroying write_end_info_ptr"); - png_destroy_info_struct(write_ptr, &write_end_info_ptr); - png_debug(1, "destroying write_ptr, write_info_ptr"); - png_destroy_write_struct(&write_ptr, &write_info_ptr); -#endif - png_debug(0, "Destruction complete."); - - FCLOSE(fpin); - FCLOSE(fpout); - - png_debug(0, "Opening files for comparison"); -#if defined(_WIN32_WCE) - MultiByteToWideChar(CP_ACP, 0, inname, -1, path, MAX_PATH); - if ((fpin = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE) -#else - if ((fpin = fopen(inname, "rb")) == NULL) -#endif - { - fprintf(STDERR, "Could not find file %s\n", inname); - return (1); - } - -#if defined(_WIN32_WCE) - MultiByteToWideChar(CP_ACP, 0, outname, -1, path, MAX_PATH); - if ((fpout = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE) -#else - if ((fpout = fopen(outname, "rb")) == NULL) -#endif - { - fprintf(STDERR, "Could not find file %s\n", outname); - FCLOSE(fpin); - return (1); - } - - for (;;) - { - png_size_t num_in, num_out; - - READFILE(fpin, inbuf, 1, num_in); - READFILE(fpout, outbuf, 1, num_out); - - if (num_in != num_out) - { - fprintf(STDERR, "\nFiles %s and %s are of a different size\n", - inname, outname); - if (wrote_question == 0) - { - fprintf(STDERR, - " Was %s written with the same maximum IDAT chunk size (%d bytes),", - inname, PNG_ZBUF_SIZE); - fprintf(STDERR, - "\n filtering heuristic (libpng default), compression"); - fprintf(STDERR, - " level (zlib default),\n and zlib version (%s)?\n\n", - ZLIB_VERSION); - wrote_question = 1; - } - FCLOSE(fpin); - FCLOSE(fpout); - return (0); - } - - if (!num_in) - break; - - if (png_memcmp(inbuf, outbuf, num_in)) - { - fprintf(STDERR, "\nFiles %s and %s are different\n", inname, outname); - if (wrote_question == 0) - { - fprintf(STDERR, - " Was %s written with the same maximum IDAT chunk size (%d bytes),", - inname, PNG_ZBUF_SIZE); - fprintf(STDERR, - "\n filtering heuristic (libpng default), compression"); - fprintf(STDERR, - " level (zlib default),\n and zlib version (%s)?\n\n", - ZLIB_VERSION); - wrote_question = 1; - } - FCLOSE(fpin); - FCLOSE(fpout); - return (0); - } - } - - FCLOSE(fpin); - FCLOSE(fpout); - - return (0); -} - -/* input and output filenames */ -#ifdef RISCOS -static PNG_CONST char *inname = "pngtest/png"; -static PNG_CONST char *outname = "pngout/png"; -#else -static PNG_CONST char *inname = "pngtest.png"; -static PNG_CONST char *outname = "pngout.png"; -#endif - -int -main(int argc, char *argv[]) -{ - int multiple = 0; - int ierror = 0; - - fprintf(STDERR, "Testing libpng version %s\n", PNG_LIBPNG_VER_STRING); - fprintf(STDERR, " with zlib version %s\n", ZLIB_VERSION); - fprintf(STDERR, "%s", png_get_copyright(NULL)); - /* Show the version of libpng used in building the library */ - fprintf(STDERR, " library (%lu):%s", - (unsigned long)png_access_version_number(), - png_get_header_version(NULL)); - /* Show the version of libpng used in building the application */ - fprintf(STDERR, " pngtest (%lu):%s", (unsigned long)PNG_LIBPNG_VER, - PNG_HEADER_VERSION_STRING); - fprintf(STDERR, " sizeof(png_struct)=%ld, sizeof(png_info)=%ld\n", - (long)png_sizeof(png_struct), (long)png_sizeof(png_info)); - - /* Do some consistency checking on the memory allocation settings, I'm - not sure this matters, but it is nice to know, the first of these - tests should be impossible because of the way the macros are set - in pngconf.h */ -#if defined(MAXSEG_64K) && !defined(PNG_MAX_MALLOC_64K) - fprintf(STDERR, " NOTE: Zlib compiled for max 64k, libpng not\n"); -#endif - /* I think the following can happen. */ -#if !defined(MAXSEG_64K) && defined(PNG_MAX_MALLOC_64K) - fprintf(STDERR, " NOTE: libpng compiled for max 64k, zlib not\n"); -#endif - - if (strcmp(png_libpng_ver, PNG_LIBPNG_VER_STRING)) - { - fprintf(STDERR, - "Warning: versions are different between png.h and png.c\n"); - fprintf(STDERR, " png.h version: %s\n", PNG_LIBPNG_VER_STRING); - fprintf(STDERR, " png.c version: %s\n\n", png_libpng_ver); - ++ierror; - } - - if (argc > 1) - { - if (strcmp(argv[1], "-m") == 0) - { - multiple = 1; - status_dots_requested = 0; - } - else if (strcmp(argv[1], "-mv") == 0 || - strcmp(argv[1], "-vm") == 0 ) - { - multiple = 1; - verbose = 1; - status_dots_requested = 1; - } - else if (strcmp(argv[1], "-v") == 0) - { - verbose = 1; - status_dots_requested = 1; - inname = argv[2]; - } - else - { - inname = argv[1]; - status_dots_requested = 0; - } - } - - if (!multiple && argc == 3 + verbose) - outname = argv[2 + verbose]; - - if ((!multiple && argc > 3 + verbose) || (multiple && argc < 2)) - { - fprintf(STDERR, - "usage: %s [infile.png] [outfile.png]\n\t%s -m {infile.png}\n", - argv[0], argv[0]); - fprintf(STDERR, - " reads/writes one PNG file (without -m) or multiple files (-m)\n"); - fprintf(STDERR, - " with -m %s is used as a temporary file\n", outname); - exit(1); - } - - if (multiple) - { - int i; -#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG - int allocation_now = current_allocation; -#endif - for (i=2; isize, - (unsigned int) pinfo->pointer); - pinfo = pinfo->next; - } - } -#endif - } -#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG - fprintf(STDERR, " Current memory allocation: %10d bytes\n", - current_allocation); - fprintf(STDERR, " Maximum memory allocation: %10d bytes\n", - maximum_allocation); - fprintf(STDERR, " Total memory allocation: %10d bytes\n", - total_allocation); - fprintf(STDERR, " Number of allocations: %10d\n", - num_allocations); -#endif - } - else - { - int i; - for (i = 0; i<3; ++i) - { - int kerror; -#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG - int allocation_now = current_allocation; -#endif - if (i == 1) status_dots_requested = 1; - else if (verbose == 0)status_dots_requested = 0; - if (i == 0 || verbose == 1 || ierror != 0) - fprintf(STDERR, "Testing %s:", inname); - kerror = test_one_file(inname, outname); - if (kerror == 0) - { - if (verbose == 1 || i == 2) - { -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) - int k; -#endif -#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) - fprintf(STDERR, "\n PASS (%lu zero samples)\n", - (unsigned long)zero_samples); -#else - fprintf(STDERR, " PASS\n"); -#endif -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) - for (k = 0; k<256; k++) - if (filters_used[k]) - fprintf(STDERR, " Filter %d was used %lu times\n", - k, - (unsigned long)filters_used[k]); -#endif -#if defined(PNG_TIME_RFC1123_SUPPORTED) - if (tIME_chunk_present != 0) - fprintf(STDERR, " tIME = %s\n", tIME_string); -#endif /* PNG_TIME_RFC1123_SUPPORTED */ - } - } - else - { - if (verbose == 0 && i != 2) - fprintf(STDERR, "Testing %s:", inname); - fprintf(STDERR, " FAIL\n"); - ierror += kerror; - } -#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG - if (allocation_now != current_allocation) - fprintf(STDERR, "MEMORY ERROR: %d bytes lost\n", - current_allocation - allocation_now); - if (current_allocation != 0) - { - memory_infop pinfo = pinformation; - - fprintf(STDERR, "MEMORY ERROR: %d bytes still allocated\n", - current_allocation); - while (pinfo != NULL) - { - fprintf(STDERR, " %lu bytes at %x\n", - (unsigned long)pinfo->size, (unsigned int)pinfo->pointer); - pinfo = pinfo->next; - } - } -#endif - } -#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG - fprintf(STDERR, " Current memory allocation: %10d bytes\n", - current_allocation); - fprintf(STDERR, " Maximum memory allocation: %10d bytes\n", - maximum_allocation); - fprintf(STDERR, " Total memory allocation: %10d bytes\n", - total_allocation); - fprintf(STDERR, " Number of allocations: %10d\n", - num_allocations); -#endif - } - -#ifdef PNGTEST_TIMING - t_stop = (float)clock(); - t_misc += (t_stop - t_start); - t_start = t_stop; - fprintf(STDERR, " CPU time used = %.3f seconds", - (t_misc+t_decode+t_encode)/(float)CLOCKS_PER_SEC); - fprintf(STDERR, " (decoding %.3f,\n", - t_decode/(float)CLOCKS_PER_SEC); - fprintf(STDERR, " encoding %.3f ,", - t_encode/(float)CLOCKS_PER_SEC); - fprintf(STDERR, " other %.3f seconds)\n\n", - t_misc/(float)CLOCKS_PER_SEC); -#endif - - if (ierror == 0) - fprintf(STDERR, "libpng passes test\n"); - else - fprintf(STDERR, "libpng FAILS test\n"); - return (int)(ierror != 0); -} - -/* Generate a compiler error if there is an old png.h in the search path. */ -typedef version_1_2_34 your_png_h_is_not_version_1_2_34; diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngtest.png b/Build/source/libs/libpng/libpng-1.2.34/pngtest.png deleted file mode 100644 index f3a6df4483f..00000000000 Binary files a/Build/source/libs/libpng/libpng-1.2.34/pngtest.png and /dev/null differ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngtrans.c b/Build/source/libs/libpng/libpng-1.2.34/pngtrans.c deleted file mode 100644 index f92f4b02d1b..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngtrans.c +++ /dev/null @@ -1,662 +0,0 @@ - -/* pngtrans.c - transforms the data in a row (used by both readers and writers) - * - * Last changed in libpng 1.2.30 [August 15, 2008] - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - */ - -#define PNG_INTERNAL -#include "png.h" -#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) - -#if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED) -/* turn on BGR-to-RGB mapping */ -void PNGAPI -png_set_bgr(png_structp png_ptr) -{ - png_debug(1, "in png_set_bgr"); - if (png_ptr == NULL) return; - png_ptr->transformations |= PNG_BGR; -} -#endif - -#if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED) -/* turn on 16 bit byte swapping */ -void PNGAPI -png_set_swap(png_structp png_ptr) -{ - png_debug(1, "in png_set_swap"); - if (png_ptr == NULL) return; - if (png_ptr->bit_depth == 16) - png_ptr->transformations |= PNG_SWAP_BYTES; -} -#endif - -#if defined(PNG_READ_PACK_SUPPORTED) || defined(PNG_WRITE_PACK_SUPPORTED) -/* turn on pixel packing */ -void PNGAPI -png_set_packing(png_structp png_ptr) -{ - png_debug(1, "in png_set_packing"); - if (png_ptr == NULL) return; - if (png_ptr->bit_depth < 8) - { - png_ptr->transformations |= PNG_PACK; - png_ptr->usr_bit_depth = 8; - } -} -#endif - -#if defined(PNG_READ_PACKSWAP_SUPPORTED)||defined(PNG_WRITE_PACKSWAP_SUPPORTED) -/* turn on packed pixel swapping */ -void PNGAPI -png_set_packswap(png_structp png_ptr) -{ - png_debug(1, "in png_set_packswap"); - if (png_ptr == NULL) return; - if (png_ptr->bit_depth < 8) - png_ptr->transformations |= PNG_PACKSWAP; -} -#endif - -#if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED) -void PNGAPI -png_set_shift(png_structp png_ptr, png_color_8p true_bits) -{ - png_debug(1, "in png_set_shift"); - if (png_ptr == NULL) return; - png_ptr->transformations |= PNG_SHIFT; - png_ptr->shift = *true_bits; -} -#endif - -#if defined(PNG_READ_INTERLACING_SUPPORTED) || \ - defined(PNG_WRITE_INTERLACING_SUPPORTED) -int PNGAPI -png_set_interlace_handling(png_structp png_ptr) -{ - png_debug(1, "in png_set_interlace handling"); - if (png_ptr && png_ptr->interlaced) - { - png_ptr->transformations |= PNG_INTERLACE; - return (7); - } - - return (1); -} -#endif - -#if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED) -/* Add a filler byte on read, or remove a filler or alpha byte on write. - * The filler type has changed in v0.95 to allow future 2-byte fillers - * for 48-bit input data, as well as to avoid problems with some compilers - * that don't like bytes as parameters. - */ -void PNGAPI -png_set_filler(png_structp png_ptr, png_uint_32 filler, int filler_loc) -{ - png_debug(1, "in png_set_filler"); - if (png_ptr == NULL) return; - png_ptr->transformations |= PNG_FILLER; - png_ptr->filler = (png_byte)filler; - if (filler_loc == PNG_FILLER_AFTER) - png_ptr->flags |= PNG_FLAG_FILLER_AFTER; - else - png_ptr->flags &= ~PNG_FLAG_FILLER_AFTER; - - /* This should probably go in the "do_read_filler" routine. - * I attempted to do that in libpng-1.0.1a but that caused problems - * so I restored it in libpng-1.0.2a - */ - - if (png_ptr->color_type == PNG_COLOR_TYPE_RGB) - { - png_ptr->usr_channels = 4; - } - - /* Also I added this in libpng-1.0.2a (what happens when we expand - * a less-than-8-bit grayscale to GA? */ - - if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY && png_ptr->bit_depth >= 8) - { - png_ptr->usr_channels = 2; - } -} - -#if !defined(PNG_1_0_X) -/* Added to libpng-1.2.7 */ -void PNGAPI -png_set_add_alpha(png_structp png_ptr, png_uint_32 filler, int filler_loc) -{ - png_debug(1, "in png_set_add_alpha"); - if (png_ptr == NULL) return; - png_set_filler(png_ptr, filler, filler_loc); - png_ptr->transformations |= PNG_ADD_ALPHA; -} -#endif - -#endif - -#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) || \ - defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED) -void PNGAPI -png_set_swap_alpha(png_structp png_ptr) -{ - png_debug(1, "in png_set_swap_alpha"); - if (png_ptr == NULL) return; - png_ptr->transformations |= PNG_SWAP_ALPHA; -} -#endif - -#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) || \ - defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) -void PNGAPI -png_set_invert_alpha(png_structp png_ptr) -{ - png_debug(1, "in png_set_invert_alpha"); - if (png_ptr == NULL) return; - png_ptr->transformations |= PNG_INVERT_ALPHA; -} -#endif - -#if defined(PNG_READ_INVERT_SUPPORTED) || defined(PNG_WRITE_INVERT_SUPPORTED) -void PNGAPI -png_set_invert_mono(png_structp png_ptr) -{ - png_debug(1, "in png_set_invert_mono"); - if (png_ptr == NULL) return; - png_ptr->transformations |= PNG_INVERT_MONO; -} - -/* invert monochrome grayscale data */ -void /* PRIVATE */ -png_do_invert(png_row_infop row_info, png_bytep row) -{ - png_debug(1, "in png_do_invert"); - /* This test removed from libpng version 1.0.13 and 1.2.0: - * if (row_info->bit_depth == 1 && - */ -#if defined(PNG_USELESS_TESTS_SUPPORTED) - if (row == NULL || row_info == NULL) - return; -#endif - if (row_info->color_type == PNG_COLOR_TYPE_GRAY) - { - png_bytep rp = row; - png_uint_32 i; - png_uint_32 istop = row_info->rowbytes; - - for (i = 0; i < istop; i++) - { - *rp = (png_byte)(~(*rp)); - rp++; - } - } - else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA && - row_info->bit_depth == 8) - { - png_bytep rp = row; - png_uint_32 i; - png_uint_32 istop = row_info->rowbytes; - - for (i = 0; i < istop; i+=2) - { - *rp = (png_byte)(~(*rp)); - rp+=2; - } - } - else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA && - row_info->bit_depth == 16) - { - png_bytep rp = row; - png_uint_32 i; - png_uint_32 istop = row_info->rowbytes; - - for (i = 0; i < istop; i+=4) - { - *rp = (png_byte)(~(*rp)); - *(rp+1) = (png_byte)(~(*(rp+1))); - rp+=4; - } - } -} -#endif - -#if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED) -/* swaps byte order on 16 bit depth images */ -void /* PRIVATE */ -png_do_swap(png_row_infop row_info, png_bytep row) -{ - png_debug(1, "in png_do_swap"); - if ( -#if defined(PNG_USELESS_TESTS_SUPPORTED) - row != NULL && row_info != NULL && -#endif - row_info->bit_depth == 16) - { - png_bytep rp = row; - png_uint_32 i; - png_uint_32 istop= row_info->width * row_info->channels; - - for (i = 0; i < istop; i++, rp += 2) - { - png_byte t = *rp; - *rp = *(rp + 1); - *(rp + 1) = t; - } - } -} -#endif - -#if defined(PNG_READ_PACKSWAP_SUPPORTED)||defined(PNG_WRITE_PACKSWAP_SUPPORTED) -static PNG_CONST png_byte onebppswaptable[256] = { - 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, - 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0, - 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, - 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8, - 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, - 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4, - 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, - 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC, - 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, - 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2, - 0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, - 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA, - 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, - 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6, - 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, - 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE, - 0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1, - 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1, - 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, - 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9, - 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, - 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5, - 0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED, - 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD, - 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, - 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3, - 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, - 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB, - 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, - 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7, - 0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, - 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF -}; - -static PNG_CONST png_byte twobppswaptable[256] = { - 0x00, 0x40, 0x80, 0xC0, 0x10, 0x50, 0x90, 0xD0, - 0x20, 0x60, 0xA0, 0xE0, 0x30, 0x70, 0xB0, 0xF0, - 0x04, 0x44, 0x84, 0xC4, 0x14, 0x54, 0x94, 0xD4, - 0x24, 0x64, 0xA4, 0xE4, 0x34, 0x74, 0xB4, 0xF4, - 0x08, 0x48, 0x88, 0xC8, 0x18, 0x58, 0x98, 0xD8, - 0x28, 0x68, 0xA8, 0xE8, 0x38, 0x78, 0xB8, 0xF8, - 0x0C, 0x4C, 0x8C, 0xCC, 0x1C, 0x5C, 0x9C, 0xDC, - 0x2C, 0x6C, 0xAC, 0xEC, 0x3C, 0x7C, 0xBC, 0xFC, - 0x01, 0x41, 0x81, 0xC1, 0x11, 0x51, 0x91, 0xD1, - 0x21, 0x61, 0xA1, 0xE1, 0x31, 0x71, 0xB1, 0xF1, - 0x05, 0x45, 0x85, 0xC5, 0x15, 0x55, 0x95, 0xD5, - 0x25, 0x65, 0xA5, 0xE5, 0x35, 0x75, 0xB5, 0xF5, - 0x09, 0x49, 0x89, 0xC9, 0x19, 0x59, 0x99, 0xD9, - 0x29, 0x69, 0xA9, 0xE9, 0x39, 0x79, 0xB9, 0xF9, - 0x0D, 0x4D, 0x8D, 0xCD, 0x1D, 0x5D, 0x9D, 0xDD, - 0x2D, 0x6D, 0xAD, 0xED, 0x3D, 0x7D, 0xBD, 0xFD, - 0x02, 0x42, 0x82, 0xC2, 0x12, 0x52, 0x92, 0xD2, - 0x22, 0x62, 0xA2, 0xE2, 0x32, 0x72, 0xB2, 0xF2, - 0x06, 0x46, 0x86, 0xC6, 0x16, 0x56, 0x96, 0xD6, - 0x26, 0x66, 0xA6, 0xE6, 0x36, 0x76, 0xB6, 0xF6, - 0x0A, 0x4A, 0x8A, 0xCA, 0x1A, 0x5A, 0x9A, 0xDA, - 0x2A, 0x6A, 0xAA, 0xEA, 0x3A, 0x7A, 0xBA, 0xFA, - 0x0E, 0x4E, 0x8E, 0xCE, 0x1E, 0x5E, 0x9E, 0xDE, - 0x2E, 0x6E, 0xAE, 0xEE, 0x3E, 0x7E, 0xBE, 0xFE, - 0x03, 0x43, 0x83, 0xC3, 0x13, 0x53, 0x93, 0xD3, - 0x23, 0x63, 0xA3, 0xE3, 0x33, 0x73, 0xB3, 0xF3, - 0x07, 0x47, 0x87, 0xC7, 0x17, 0x57, 0x97, 0xD7, - 0x27, 0x67, 0xA7, 0xE7, 0x37, 0x77, 0xB7, 0xF7, - 0x0B, 0x4B, 0x8B, 0xCB, 0x1B, 0x5B, 0x9B, 0xDB, - 0x2B, 0x6B, 0xAB, 0xEB, 0x3B, 0x7B, 0xBB, 0xFB, - 0x0F, 0x4F, 0x8F, 0xCF, 0x1F, 0x5F, 0x9F, 0xDF, - 0x2F, 0x6F, 0xAF, 0xEF, 0x3F, 0x7F, 0xBF, 0xFF -}; - -static PNG_CONST png_byte fourbppswaptable[256] = { - 0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, - 0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0, 0xF0, - 0x01, 0x11, 0x21, 0x31, 0x41, 0x51, 0x61, 0x71, - 0x81, 0x91, 0xA1, 0xB1, 0xC1, 0xD1, 0xE1, 0xF1, - 0x02, 0x12, 0x22, 0x32, 0x42, 0x52, 0x62, 0x72, - 0x82, 0x92, 0xA2, 0xB2, 0xC2, 0xD2, 0xE2, 0xF2, - 0x03, 0x13, 0x23, 0x33, 0x43, 0x53, 0x63, 0x73, - 0x83, 0x93, 0xA3, 0xB3, 0xC3, 0xD3, 0xE3, 0xF3, - 0x04, 0x14, 0x24, 0x34, 0x44, 0x54, 0x64, 0x74, - 0x84, 0x94, 0xA4, 0xB4, 0xC4, 0xD4, 0xE4, 0xF4, - 0x05, 0x15, 0x25, 0x35, 0x45, 0x55, 0x65, 0x75, - 0x85, 0x95, 0xA5, 0xB5, 0xC5, 0xD5, 0xE5, 0xF5, - 0x06, 0x16, 0x26, 0x36, 0x46, 0x56, 0x66, 0x76, - 0x86, 0x96, 0xA6, 0xB6, 0xC6, 0xD6, 0xE6, 0xF6, - 0x07, 0x17, 0x27, 0x37, 0x47, 0x57, 0x67, 0x77, - 0x87, 0x97, 0xA7, 0xB7, 0xC7, 0xD7, 0xE7, 0xF7, - 0x08, 0x18, 0x28, 0x38, 0x48, 0x58, 0x68, 0x78, - 0x88, 0x98, 0xA8, 0xB8, 0xC8, 0xD8, 0xE8, 0xF8, - 0x09, 0x19, 0x29, 0x39, 0x49, 0x59, 0x69, 0x79, - 0x89, 0x99, 0xA9, 0xB9, 0xC9, 0xD9, 0xE9, 0xF9, - 0x0A, 0x1A, 0x2A, 0x3A, 0x4A, 0x5A, 0x6A, 0x7A, - 0x8A, 0x9A, 0xAA, 0xBA, 0xCA, 0xDA, 0xEA, 0xFA, - 0x0B, 0x1B, 0x2B, 0x3B, 0x4B, 0x5B, 0x6B, 0x7B, - 0x8B, 0x9B, 0xAB, 0xBB, 0xCB, 0xDB, 0xEB, 0xFB, - 0x0C, 0x1C, 0x2C, 0x3C, 0x4C, 0x5C, 0x6C, 0x7C, - 0x8C, 0x9C, 0xAC, 0xBC, 0xCC, 0xDC, 0xEC, 0xFC, - 0x0D, 0x1D, 0x2D, 0x3D, 0x4D, 0x5D, 0x6D, 0x7D, - 0x8D, 0x9D, 0xAD, 0xBD, 0xCD, 0xDD, 0xED, 0xFD, - 0x0E, 0x1E, 0x2E, 0x3E, 0x4E, 0x5E, 0x6E, 0x7E, - 0x8E, 0x9E, 0xAE, 0xBE, 0xCE, 0xDE, 0xEE, 0xFE, - 0x0F, 0x1F, 0x2F, 0x3F, 0x4F, 0x5F, 0x6F, 0x7F, - 0x8F, 0x9F, 0xAF, 0xBF, 0xCF, 0xDF, 0xEF, 0xFF -}; - -/* swaps pixel packing order within bytes */ -void /* PRIVATE */ -png_do_packswap(png_row_infop row_info, png_bytep row) -{ - png_debug(1, "in png_do_packswap"); - if ( -#if defined(PNG_USELESS_TESTS_SUPPORTED) - row != NULL && row_info != NULL && -#endif - row_info->bit_depth < 8) - { - png_bytep rp, end, table; - - end = row + row_info->rowbytes; - - if (row_info->bit_depth == 1) - table = (png_bytep)onebppswaptable; - else if (row_info->bit_depth == 2) - table = (png_bytep)twobppswaptable; - else if (row_info->bit_depth == 4) - table = (png_bytep)fourbppswaptable; - else - return; - - for (rp = row; rp < end; rp++) - *rp = table[*rp]; - } -} -#endif /* PNG_READ_PACKSWAP_SUPPORTED or PNG_WRITE_PACKSWAP_SUPPORTED */ - -#if defined(PNG_WRITE_FILLER_SUPPORTED) || \ - defined(PNG_READ_STRIP_ALPHA_SUPPORTED) -/* remove filler or alpha byte(s) */ -void /* PRIVATE */ -png_do_strip_filler(png_row_infop row_info, png_bytep row, png_uint_32 flags) -{ - png_debug(1, "in png_do_strip_filler"); -#if defined(PNG_USELESS_TESTS_SUPPORTED) - if (row != NULL && row_info != NULL) -#endif - { - png_bytep sp=row; - png_bytep dp=row; - png_uint_32 row_width=row_info->width; - png_uint_32 i; - - if ((row_info->color_type == PNG_COLOR_TYPE_RGB || - (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA && - (flags & PNG_FLAG_STRIP_ALPHA))) && - row_info->channels == 4) - { - if (row_info->bit_depth == 8) - { - /* This converts from RGBX or RGBA to RGB */ - if (flags & PNG_FLAG_FILLER_AFTER) - { - dp+=3; sp+=4; - for (i = 1; i < row_width; i++) - { - *dp++ = *sp++; - *dp++ = *sp++; - *dp++ = *sp++; - sp++; - } - } - /* This converts from XRGB or ARGB to RGB */ - else - { - for (i = 0; i < row_width; i++) - { - sp++; - *dp++ = *sp++; - *dp++ = *sp++; - *dp++ = *sp++; - } - } - row_info->pixel_depth = 24; - row_info->rowbytes = row_width * 3; - } - else /* if (row_info->bit_depth == 16) */ - { - if (flags & PNG_FLAG_FILLER_AFTER) - { - /* This converts from RRGGBBXX or RRGGBBAA to RRGGBB */ - sp += 8; dp += 6; - for (i = 1; i < row_width; i++) - { - /* This could be (although png_memcpy is probably slower): - png_memcpy(dp, sp, 6); - sp += 8; - dp += 6; - */ - - *dp++ = *sp++; - *dp++ = *sp++; - *dp++ = *sp++; - *dp++ = *sp++; - *dp++ = *sp++; - *dp++ = *sp++; - sp += 2; - } - } - else - { - /* This converts from XXRRGGBB or AARRGGBB to RRGGBB */ - for (i = 0; i < row_width; i++) - { - /* This could be (although png_memcpy is probably slower): - png_memcpy(dp, sp, 6); - sp += 8; - dp += 6; - */ - - sp+=2; - *dp++ = *sp++; - *dp++ = *sp++; - *dp++ = *sp++; - *dp++ = *sp++; - *dp++ = *sp++; - *dp++ = *sp++; - } - } - row_info->pixel_depth = 48; - row_info->rowbytes = row_width * 6; - } - row_info->channels = 3; - } - else if ((row_info->color_type == PNG_COLOR_TYPE_GRAY || - (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA && - (flags & PNG_FLAG_STRIP_ALPHA))) && - row_info->channels == 2) - { - if (row_info->bit_depth == 8) - { - /* This converts from GX or GA to G */ - if (flags & PNG_FLAG_FILLER_AFTER) - { - for (i = 0; i < row_width; i++) - { - *dp++ = *sp++; - sp++; - } - } - /* This converts from XG or AG to G */ - else - { - for (i = 0; i < row_width; i++) - { - sp++; - *dp++ = *sp++; - } - } - row_info->pixel_depth = 8; - row_info->rowbytes = row_width; - } - else /* if (row_info->bit_depth == 16) */ - { - if (flags & PNG_FLAG_FILLER_AFTER) - { - /* This converts from GGXX or GGAA to GG */ - sp += 4; dp += 2; - for (i = 1; i < row_width; i++) - { - *dp++ = *sp++; - *dp++ = *sp++; - sp += 2; - } - } - else - { - /* This converts from XXGG or AAGG to GG */ - for (i = 0; i < row_width; i++) - { - sp += 2; - *dp++ = *sp++; - *dp++ = *sp++; - } - } - row_info->pixel_depth = 16; - row_info->rowbytes = row_width * 2; - } - row_info->channels = 1; - } - if (flags & PNG_FLAG_STRIP_ALPHA) - row_info->color_type &= ~PNG_COLOR_MASK_ALPHA; - } -} -#endif - -#if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED) -/* swaps red and blue bytes within a pixel */ -void /* PRIVATE */ -png_do_bgr(png_row_infop row_info, png_bytep row) -{ - png_debug(1, "in png_do_bgr"); - if ( -#if defined(PNG_USELESS_TESTS_SUPPORTED) - row != NULL && row_info != NULL && -#endif - (row_info->color_type & PNG_COLOR_MASK_COLOR)) - { - png_uint_32 row_width = row_info->width; - if (row_info->bit_depth == 8) - { - if (row_info->color_type == PNG_COLOR_TYPE_RGB) - { - png_bytep rp; - png_uint_32 i; - - for (i = 0, rp = row; i < row_width; i++, rp += 3) - { - png_byte save = *rp; - *rp = *(rp + 2); - *(rp + 2) = save; - } - } - else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) - { - png_bytep rp; - png_uint_32 i; - - for (i = 0, rp = row; i < row_width; i++, rp += 4) - { - png_byte save = *rp; - *rp = *(rp + 2); - *(rp + 2) = save; - } - } - } - else if (row_info->bit_depth == 16) - { - if (row_info->color_type == PNG_COLOR_TYPE_RGB) - { - png_bytep rp; - png_uint_32 i; - - for (i = 0, rp = row; i < row_width; i++, rp += 6) - { - png_byte save = *rp; - *rp = *(rp + 4); - *(rp + 4) = save; - save = *(rp + 1); - *(rp + 1) = *(rp + 5); - *(rp + 5) = save; - } - } - else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) - { - png_bytep rp; - png_uint_32 i; - - for (i = 0, rp = row; i < row_width; i++, rp += 8) - { - png_byte save = *rp; - *rp = *(rp + 4); - *(rp + 4) = save; - save = *(rp + 1); - *(rp + 1) = *(rp + 5); - *(rp + 5) = save; - } - } - } - } -} -#endif /* PNG_READ_BGR_SUPPORTED or PNG_WRITE_BGR_SUPPORTED */ - -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_LEGACY_SUPPORTED) -void PNGAPI -png_set_user_transform_info(png_structp png_ptr, png_voidp - user_transform_ptr, int user_transform_depth, int user_transform_channels) -{ - png_debug(1, "in png_set_user_transform_info"); - if (png_ptr == NULL) return; -#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) - png_ptr->user_transform_ptr = user_transform_ptr; - png_ptr->user_transform_depth = (png_byte)user_transform_depth; - png_ptr->user_transform_channels = (png_byte)user_transform_channels; -#else - if (user_transform_ptr || user_transform_depth || user_transform_channels) - png_warning(png_ptr, - "This version of libpng does not support user transform info"); -#endif -} -#endif - -/* This function returns a pointer to the user_transform_ptr associated with - * the user transform functions. The application should free any memory - * associated with this pointer before png_write_destroy and png_read_destroy - * are called. - */ -png_voidp PNGAPI -png_get_user_transform_ptr(png_structp png_ptr) -{ - if (png_ptr == NULL) return (NULL); -#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) - return ((png_voidp)png_ptr->user_transform_ptr); -#else - return (NULL); -#endif -} -#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngvcrd.c b/Build/source/libs/libpng/libpng-1.2.34/pngvcrd.c deleted file mode 100644 index ce4233efe7e..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngvcrd.c +++ /dev/null @@ -1 +0,0 @@ -/* pnggvrd.c was removed from libpng-1.2.20. */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngwio.c b/Build/source/libs/libpng/libpng-1.2.34/pngwio.c deleted file mode 100644 index 1afbe93915d..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngwio.c +++ /dev/null @@ -1,234 +0,0 @@ - -/* pngwio.c - functions for data output - * - * Last changed in libpng 1.2.30 [August 15, 2008] - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - * - * This file provides a location for all output. Users who need - * special handling are expected to write functions that have the same - * arguments as these and perform similar functions, but that possibly - * use different output methods. Note that you shouldn't change these - * functions, but rather write replacement functions and then change - * them at run time with png_set_write_fn(...). - */ - -#define PNG_INTERNAL -#include "png.h" -#ifdef PNG_WRITE_SUPPORTED - -/* Write the data to whatever output you are using. The default routine - writes to a file pointer. Note that this routine sometimes gets called - with very small lengths, so you should implement some kind of simple - buffering if you are using unbuffered writes. This should never be asked - to write more than 64K on a 16 bit machine. */ - -void /* PRIVATE */ -png_write_data(png_structp png_ptr, png_bytep data, png_size_t length) -{ - if (png_ptr->write_data_fn != NULL ) - (*(png_ptr->write_data_fn))(png_ptr, data, length); - else - png_error(png_ptr, "Call to NULL write function"); -} - -#if !defined(PNG_NO_STDIO) -/* This is the function that does the actual writing of data. If you are - not writing to a standard C stream, you should create a replacement - write_data function and use it at run time with png_set_write_fn(), rather - than changing the library. */ -#ifndef USE_FAR_KEYWORD -void PNGAPI -png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length) -{ - png_uint_32 check; - - if (png_ptr == NULL) return; -#if defined(_WIN32_WCE) - if ( !WriteFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) ) - check = 0; -#else - check = fwrite(data, 1, length, (png_FILE_p)(png_ptr->io_ptr)); -#endif - if (check != length) - png_error(png_ptr, "Write Error"); -} -#else -/* this is the model-independent version. Since the standard I/O library - can't handle far buffers in the medium and small models, we have to copy - the data. -*/ - -#define NEAR_BUF_SIZE 1024 -#define MIN(a,b) (a <= b ? a : b) - -void PNGAPI -png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length) -{ - png_uint_32 check; - png_byte *near_data; /* Needs to be "png_byte *" instead of "png_bytep" */ - png_FILE_p io_ptr; - - if (png_ptr == NULL) return; - /* Check if data really is near. If so, use usual code. */ - near_data = (png_byte *)CVT_PTR_NOCHECK(data); - io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr); - if ((png_bytep)near_data == data) - { -#if defined(_WIN32_WCE) - if ( !WriteFile(io_ptr, near_data, length, &check, NULL) ) - check = 0; -#else - check = fwrite(near_data, 1, length, io_ptr); -#endif - } - else - { - png_byte buf[NEAR_BUF_SIZE]; - png_size_t written, remaining, err; - check = 0; - remaining = length; - do - { - written = MIN(NEAR_BUF_SIZE, remaining); - png_memcpy(buf, data, written); /* copy far buffer to near buffer */ -#if defined(_WIN32_WCE) - if ( !WriteFile(io_ptr, buf, written, &err, NULL) ) - err = 0; -#else - err = fwrite(buf, 1, written, io_ptr); -#endif - if (err != written) - break; - else - check += err; - data += written; - remaining -= written; - } - while (remaining != 0); - } - if (check != length) - png_error(png_ptr, "Write Error"); -} - -#endif -#endif - -/* This function is called to output any data pending writing (normally - to disk). After png_flush is called, there should be no data pending - writing in any buffers. */ -#if defined(PNG_WRITE_FLUSH_SUPPORTED) -void /* PRIVATE */ -png_flush(png_structp png_ptr) -{ - if (png_ptr->output_flush_fn != NULL) - (*(png_ptr->output_flush_fn))(png_ptr); -} - -#if !defined(PNG_NO_STDIO) -void PNGAPI -png_default_flush(png_structp png_ptr) -{ -#if !defined(_WIN32_WCE) - png_FILE_p io_ptr; -#endif - if (png_ptr == NULL) return; -#if !defined(_WIN32_WCE) - io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr)); - if (io_ptr != NULL) - fflush(io_ptr); -#endif -} -#endif -#endif - -/* This function allows the application to supply new output functions for - libpng if standard C streams aren't being used. - - This function takes as its arguments: - png_ptr - pointer to a png output data structure - io_ptr - pointer to user supplied structure containing info about - the output functions. May be NULL. - write_data_fn - pointer to a new output function that takes as its - arguments a pointer to a png_struct, a pointer to - data to be written, and a 32-bit unsigned int that is - the number of bytes to be written. The new write - function should call png_error(png_ptr, "Error msg") - to exit and output any fatal error messages. - flush_data_fn - pointer to a new flush function that takes as its - arguments a pointer to a png_struct. After a call to - the flush function, there should be no data in any buffers - or pending transmission. If the output method doesn't do - any buffering of ouput, a function prototype must still be - supplied although it doesn't have to do anything. If - PNG_WRITE_FLUSH_SUPPORTED is not defined at libpng compile - time, output_flush_fn will be ignored, although it must be - supplied for compatibility. */ -void PNGAPI -png_set_write_fn(png_structp png_ptr, png_voidp io_ptr, - png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn) -{ - if (png_ptr == NULL) return; - png_ptr->io_ptr = io_ptr; - -#if !defined(PNG_NO_STDIO) - if (write_data_fn != NULL) - png_ptr->write_data_fn = write_data_fn; - else - png_ptr->write_data_fn = png_default_write_data; -#else - png_ptr->write_data_fn = write_data_fn; -#endif - -#if defined(PNG_WRITE_FLUSH_SUPPORTED) -#if !defined(PNG_NO_STDIO) - if (output_flush_fn != NULL) - png_ptr->output_flush_fn = output_flush_fn; - else - png_ptr->output_flush_fn = png_default_flush; -#else - png_ptr->output_flush_fn = output_flush_fn; -#endif -#endif /* PNG_WRITE_FLUSH_SUPPORTED */ - - /* It is an error to read while writing a png file */ - if (png_ptr->read_data_fn != NULL) - { - png_ptr->read_data_fn = NULL; - png_warning(png_ptr, - "Attempted to set both read_data_fn and write_data_fn in"); - png_warning(png_ptr, - "the same structure. Resetting read_data_fn to NULL."); - } -} - -#if defined(USE_FAR_KEYWORD) -#if defined(_MSC_VER) -void *png_far_to_near(png_structp png_ptr, png_voidp ptr, int check) -{ - void *near_ptr; - void FAR *far_ptr; - FP_OFF(near_ptr) = FP_OFF(ptr); - far_ptr = (void FAR *)near_ptr; - if (check != 0) - if (FP_SEG(ptr) != FP_SEG(far_ptr)) - png_error(png_ptr, "segment lost in conversion"); - return(near_ptr); -} -# else -void *png_far_to_near(png_structp png_ptr, png_voidp ptr, int check) -{ - void *near_ptr; - void FAR *far_ptr; - near_ptr = (void FAR *)ptr; - far_ptr = (void FAR *)near_ptr; - if (check != 0) - if (far_ptr != ptr) - png_error(png_ptr, "segment lost in conversion"); - return(near_ptr); -} -# endif -# endif -#endif /* PNG_WRITE_SUPPORTED */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngwrite.c b/Build/source/libs/libpng/libpng-1.2.34/pngwrite.c deleted file mode 100644 index 19dca1f04c8..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngwrite.c +++ /dev/null @@ -1,1547 +0,0 @@ - -/* pngwrite.c - general routines to write a PNG file - * - * Last changed in libpng 1.2.31 [August 19, 2008] - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - */ - -/* get internal access to png.h */ -#define PNG_INTERNAL -#include "png.h" -#ifdef PNG_WRITE_SUPPORTED - -/* Writes all the PNG information. This is the suggested way to use the - * library. If you have a new chunk to add, make a function to write it, - * and put it in the correct location here. If you want the chunk written - * after the image data, put it in png_write_end(). I strongly encourage - * you to supply a PNG_INFO_ flag, and check info_ptr->valid before writing - * the chunk, as that will keep the code from breaking if you want to just - * write a plain PNG file. If you have long comments, I suggest writing - * them in png_write_end(), and compressing them. - */ -void PNGAPI -png_write_info_before_PLTE(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_write_info_before_PLTE"); - if (png_ptr == NULL || info_ptr == NULL) - return; - if (!(png_ptr->mode & PNG_WROTE_INFO_BEFORE_PLTE)) - { - png_write_sig(png_ptr); /* write PNG signature */ -#if defined(PNG_MNG_FEATURES_SUPPORTED) - if ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE)&&(png_ptr->mng_features_permitted)) - { - png_warning(png_ptr, "MNG features are not allowed in a PNG datastream"); - png_ptr->mng_features_permitted=0; - } -#endif - /* write IHDR information. */ - png_write_IHDR(png_ptr, info_ptr->width, info_ptr->height, - info_ptr->bit_depth, info_ptr->color_type, info_ptr->compression_type, - info_ptr->filter_type, -#if defined(PNG_WRITE_INTERLACING_SUPPORTED) - info_ptr->interlace_type); -#else - 0); -#endif - /* the rest of these check to see if the valid field has the appropriate - flag set, and if it does, writes the chunk. */ -#if defined(PNG_WRITE_gAMA_SUPPORTED) - if (info_ptr->valid & PNG_INFO_gAMA) - { -# ifdef PNG_FLOATING_POINT_SUPPORTED - png_write_gAMA(png_ptr, info_ptr->gamma); -#else -#ifdef PNG_FIXED_POINT_SUPPORTED - png_write_gAMA_fixed(png_ptr, info_ptr->int_gamma); -# endif -#endif - } -#endif -#if defined(PNG_WRITE_sRGB_SUPPORTED) - if (info_ptr->valid & PNG_INFO_sRGB) - png_write_sRGB(png_ptr, (int)info_ptr->srgb_intent); -#endif -#if defined(PNG_WRITE_iCCP_SUPPORTED) - if (info_ptr->valid & PNG_INFO_iCCP) - png_write_iCCP(png_ptr, info_ptr->iccp_name, PNG_COMPRESSION_TYPE_BASE, - info_ptr->iccp_profile, (int)info_ptr->iccp_proflen); -#endif -#if defined(PNG_WRITE_sBIT_SUPPORTED) - if (info_ptr->valid & PNG_INFO_sBIT) - png_write_sBIT(png_ptr, &(info_ptr->sig_bit), info_ptr->color_type); -#endif -#if defined(PNG_WRITE_cHRM_SUPPORTED) - if (info_ptr->valid & PNG_INFO_cHRM) - { -#ifdef PNG_FLOATING_POINT_SUPPORTED - png_write_cHRM(png_ptr, - info_ptr->x_white, info_ptr->y_white, - info_ptr->x_red, info_ptr->y_red, - info_ptr->x_green, info_ptr->y_green, - info_ptr->x_blue, info_ptr->y_blue); -#else -# ifdef PNG_FIXED_POINT_SUPPORTED - png_write_cHRM_fixed(png_ptr, - info_ptr->int_x_white, info_ptr->int_y_white, - info_ptr->int_x_red, info_ptr->int_y_red, - info_ptr->int_x_green, info_ptr->int_y_green, - info_ptr->int_x_blue, info_ptr->int_y_blue); -# endif -#endif - } -#endif -#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED) - if (info_ptr->unknown_chunks_num) - { - png_unknown_chunk *up; - - png_debug(5, "writing extra chunks"); - - for (up = info_ptr->unknown_chunks; - up < info_ptr->unknown_chunks + info_ptr->unknown_chunks_num; - up++) - { - int keep=png_handle_as_unknown(png_ptr, up->name); - if (keep != PNG_HANDLE_CHUNK_NEVER && - up->location && !(up->location & PNG_HAVE_PLTE) && - !(up->location & PNG_HAVE_IDAT) && - ((up->name[3] & 0x20) || keep == PNG_HANDLE_CHUNK_ALWAYS || - (png_ptr->flags & PNG_FLAG_KEEP_UNSAFE_CHUNKS))) - { - if (up->size == 0) - png_warning(png_ptr, "Writing zero-length unknown chunk"); - png_write_chunk(png_ptr, up->name, up->data, up->size); - } - } - } -#endif - png_ptr->mode |= PNG_WROTE_INFO_BEFORE_PLTE; - } -} - -void PNGAPI -png_write_info(png_structp png_ptr, png_infop info_ptr) -{ -#if defined(PNG_WRITE_TEXT_SUPPORTED) || defined(PNG_WRITE_sPLT_SUPPORTED) - int i; -#endif - - png_debug(1, "in png_write_info"); - - if (png_ptr == NULL || info_ptr == NULL) - return; - - png_write_info_before_PLTE(png_ptr, info_ptr); - - if (info_ptr->valid & PNG_INFO_PLTE) - png_write_PLTE(png_ptr, info_ptr->palette, - (png_uint_32)info_ptr->num_palette); - else if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - png_error(png_ptr, "Valid palette required for paletted images"); - -#if defined(PNG_WRITE_tRNS_SUPPORTED) - if (info_ptr->valid & PNG_INFO_tRNS) - { -#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) - /* invert the alpha channel (in tRNS) */ - if ((png_ptr->transformations & PNG_INVERT_ALPHA) && - info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - { - int j; - for (j=0; j<(int)info_ptr->num_trans; j++) - info_ptr->trans[j] = (png_byte)(255 - info_ptr->trans[j]); - } -#endif - png_write_tRNS(png_ptr, info_ptr->trans, &(info_ptr->trans_values), - info_ptr->num_trans, info_ptr->color_type); - } -#endif -#if defined(PNG_WRITE_bKGD_SUPPORTED) - if (info_ptr->valid & PNG_INFO_bKGD) - png_write_bKGD(png_ptr, &(info_ptr->background), info_ptr->color_type); -#endif -#if defined(PNG_WRITE_hIST_SUPPORTED) - if (info_ptr->valid & PNG_INFO_hIST) - png_write_hIST(png_ptr, info_ptr->hist, info_ptr->num_palette); -#endif -#if defined(PNG_WRITE_oFFs_SUPPORTED) - if (info_ptr->valid & PNG_INFO_oFFs) - png_write_oFFs(png_ptr, info_ptr->x_offset, info_ptr->y_offset, - info_ptr->offset_unit_type); -#endif -#if defined(PNG_WRITE_pCAL_SUPPORTED) - if (info_ptr->valid & PNG_INFO_pCAL) - png_write_pCAL(png_ptr, info_ptr->pcal_purpose, info_ptr->pcal_X0, - info_ptr->pcal_X1, info_ptr->pcal_type, info_ptr->pcal_nparams, - info_ptr->pcal_units, info_ptr->pcal_params); -#endif -#if defined(PNG_WRITE_sCAL_SUPPORTED) - if (info_ptr->valid & PNG_INFO_sCAL) -#if defined(PNG_FLOATING_POINT_SUPPORTED) && !defined(PNG_NO_STDIO) - png_write_sCAL(png_ptr, (int)info_ptr->scal_unit, - info_ptr->scal_pixel_width, info_ptr->scal_pixel_height); -#else -#ifdef PNG_FIXED_POINT_SUPPORTED - png_write_sCAL_s(png_ptr, (int)info_ptr->scal_unit, - info_ptr->scal_s_width, info_ptr->scal_s_height); -#else - png_warning(png_ptr, - "png_write_sCAL not supported; sCAL chunk not written."); -#endif -#endif -#endif -#if defined(PNG_WRITE_pHYs_SUPPORTED) - if (info_ptr->valid & PNG_INFO_pHYs) - png_write_pHYs(png_ptr, info_ptr->x_pixels_per_unit, - info_ptr->y_pixels_per_unit, info_ptr->phys_unit_type); -#endif -#if defined(PNG_WRITE_tIME_SUPPORTED) - if (info_ptr->valid & PNG_INFO_tIME) - { - png_write_tIME(png_ptr, &(info_ptr->mod_time)); - png_ptr->mode |= PNG_WROTE_tIME; - } -#endif -#if defined(PNG_WRITE_sPLT_SUPPORTED) - if (info_ptr->valid & PNG_INFO_sPLT) - for (i = 0; i < (int)info_ptr->splt_palettes_num; i++) - png_write_sPLT(png_ptr, info_ptr->splt_palettes + i); -#endif -#if defined(PNG_WRITE_TEXT_SUPPORTED) - /* Check to see if we need to write text chunks */ - for (i = 0; i < info_ptr->num_text; i++) - { - png_debug2(2, "Writing header text chunk %d, type %d", i, - info_ptr->text[i].compression); - /* an internationalized chunk? */ - if (info_ptr->text[i].compression > 0) - { -#if defined(PNG_WRITE_iTXt_SUPPORTED) - /* write international chunk */ - png_write_iTXt(png_ptr, - info_ptr->text[i].compression, - info_ptr->text[i].key, - info_ptr->text[i].lang, - info_ptr->text[i].lang_key, - info_ptr->text[i].text); -#else - png_warning(png_ptr, "Unable to write international text"); -#endif - /* Mark this chunk as written */ - info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_NONE_WR; - } - /* If we want a compressed text chunk */ - else if (info_ptr->text[i].compression == PNG_TEXT_COMPRESSION_zTXt) - { -#if defined(PNG_WRITE_zTXt_SUPPORTED) - /* write compressed chunk */ - png_write_zTXt(png_ptr, info_ptr->text[i].key, - info_ptr->text[i].text, 0, - info_ptr->text[i].compression); -#else - png_warning(png_ptr, "Unable to write compressed text"); -#endif - /* Mark this chunk as written */ - info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_zTXt_WR; - } - else if (info_ptr->text[i].compression == PNG_TEXT_COMPRESSION_NONE) - { -#if defined(PNG_WRITE_tEXt_SUPPORTED) - /* write uncompressed chunk */ - png_write_tEXt(png_ptr, info_ptr->text[i].key, - info_ptr->text[i].text, - 0); -#else - png_warning(png_ptr, "Unable to write uncompressed text"); -#endif - /* Mark this chunk as written */ - info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_NONE_WR; - } - } -#endif -#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED) - if (info_ptr->unknown_chunks_num) - { - png_unknown_chunk *up; - - png_debug(5, "writing extra chunks"); - - for (up = info_ptr->unknown_chunks; - up < info_ptr->unknown_chunks + info_ptr->unknown_chunks_num; - up++) - { - int keep=png_handle_as_unknown(png_ptr, up->name); - if (keep != PNG_HANDLE_CHUNK_NEVER && - up->location && (up->location & PNG_HAVE_PLTE) && - !(up->location & PNG_HAVE_IDAT) && - ((up->name[3] & 0x20) || keep == PNG_HANDLE_CHUNK_ALWAYS || - (png_ptr->flags & PNG_FLAG_KEEP_UNSAFE_CHUNKS))) - { - png_write_chunk(png_ptr, up->name, up->data, up->size); - } - } - } -#endif -} - -/* Writes the end of the PNG file. If you don't want to write comments or - * time information, you can pass NULL for info. If you already wrote these - * in png_write_info(), do not write them again here. If you have long - * comments, I suggest writing them here, and compressing them. - */ -void PNGAPI -png_write_end(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_write_end"); - if (png_ptr == NULL) - return; - if (!(png_ptr->mode & PNG_HAVE_IDAT)) - png_error(png_ptr, "No IDATs written into file"); - - /* see if user wants us to write information chunks */ - if (info_ptr != NULL) - { -#if defined(PNG_WRITE_TEXT_SUPPORTED) - int i; /* local index variable */ -#endif -#if defined(PNG_WRITE_tIME_SUPPORTED) - /* check to see if user has supplied a time chunk */ - if ((info_ptr->valid & PNG_INFO_tIME) && - !(png_ptr->mode & PNG_WROTE_tIME)) - png_write_tIME(png_ptr, &(info_ptr->mod_time)); -#endif -#if defined(PNG_WRITE_TEXT_SUPPORTED) - /* loop through comment chunks */ - for (i = 0; i < info_ptr->num_text; i++) - { - png_debug2(2, "Writing trailer text chunk %d, type %d", i, - info_ptr->text[i].compression); - /* an internationalized chunk? */ - if (info_ptr->text[i].compression > 0) - { -#if defined(PNG_WRITE_iTXt_SUPPORTED) - /* write international chunk */ - png_write_iTXt(png_ptr, - info_ptr->text[i].compression, - info_ptr->text[i].key, - info_ptr->text[i].lang, - info_ptr->text[i].lang_key, - info_ptr->text[i].text); -#else - png_warning(png_ptr, "Unable to write international text"); -#endif - /* Mark this chunk as written */ - info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_NONE_WR; - } - else if (info_ptr->text[i].compression >= PNG_TEXT_COMPRESSION_zTXt) - { -#if defined(PNG_WRITE_zTXt_SUPPORTED) - /* write compressed chunk */ - png_write_zTXt(png_ptr, info_ptr->text[i].key, - info_ptr->text[i].text, 0, - info_ptr->text[i].compression); -#else - png_warning(png_ptr, "Unable to write compressed text"); -#endif - /* Mark this chunk as written */ - info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_zTXt_WR; - } - else if (info_ptr->text[i].compression == PNG_TEXT_COMPRESSION_NONE) - { -#if defined(PNG_WRITE_tEXt_SUPPORTED) - /* write uncompressed chunk */ - png_write_tEXt(png_ptr, info_ptr->text[i].key, - info_ptr->text[i].text, 0); -#else - png_warning(png_ptr, "Unable to write uncompressed text"); -#endif - - /* Mark this chunk as written */ - info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_NONE_WR; - } - } -#endif -#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED) - if (info_ptr->unknown_chunks_num) - { - png_unknown_chunk *up; - - png_debug(5, "writing extra chunks"); - - for (up = info_ptr->unknown_chunks; - up < info_ptr->unknown_chunks + info_ptr->unknown_chunks_num; - up++) - { - int keep=png_handle_as_unknown(png_ptr, up->name); - if (keep != PNG_HANDLE_CHUNK_NEVER && - up->location && (up->location & PNG_AFTER_IDAT) && - ((up->name[3] & 0x20) || keep == PNG_HANDLE_CHUNK_ALWAYS || - (png_ptr->flags & PNG_FLAG_KEEP_UNSAFE_CHUNKS))) - { - png_write_chunk(png_ptr, up->name, up->data, up->size); - } - } - } -#endif - } - - png_ptr->mode |= PNG_AFTER_IDAT; - - /* write end of PNG file */ - png_write_IEND(png_ptr); - /* This flush, added in libpng-1.0.8, removed from libpng-1.0.9beta03, - * and restored again in libpng-1.2.30, may cause some applications that - * do not set png_ptr->output_flush_fn to crash. If your application - * experiences a problem, please try building libpng with - * PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED defined, and report the event to - * png-mng-implement at lists.sf.net . This kludge will be removed - * from libpng-1.4.0. - */ -#if defined(PNG_WRITE_FLUSH_SUPPORTED) && \ - defined(PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED) - png_flush(png_ptr); -#endif -} - -#if defined(PNG_WRITE_tIME_SUPPORTED) -#if !defined(_WIN32_WCE) -/* "time.h" functions are not supported on WindowsCE */ -void PNGAPI -png_convert_from_struct_tm(png_timep ptime, struct tm FAR * ttime) -{ - png_debug(1, "in png_convert_from_struct_tm"); - ptime->year = (png_uint_16)(1900 + ttime->tm_year); - ptime->month = (png_byte)(ttime->tm_mon + 1); - ptime->day = (png_byte)ttime->tm_mday; - ptime->hour = (png_byte)ttime->tm_hour; - ptime->minute = (png_byte)ttime->tm_min; - ptime->second = (png_byte)ttime->tm_sec; -} - -void PNGAPI -png_convert_from_time_t(png_timep ptime, time_t ttime) -{ - struct tm *tbuf; - - png_debug(1, "in png_convert_from_time_t"); - tbuf = gmtime(&ttime); - png_convert_from_struct_tm(ptime, tbuf); -} -#endif -#endif - -/* Initialize png_ptr structure, and allocate any memory needed */ -png_structp PNGAPI -png_create_write_struct(png_const_charp user_png_ver, png_voidp error_ptr, - png_error_ptr error_fn, png_error_ptr warn_fn) -{ -#ifdef PNG_USER_MEM_SUPPORTED - return (png_create_write_struct_2(user_png_ver, error_ptr, error_fn, - warn_fn, png_voidp_NULL, png_malloc_ptr_NULL, png_free_ptr_NULL)); -} - -/* Alternate initialize png_ptr structure, and allocate any memory needed */ -png_structp PNGAPI -png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr, - png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr, - png_malloc_ptr malloc_fn, png_free_ptr free_fn) -{ -#endif /* PNG_USER_MEM_SUPPORTED */ -#ifdef PNG_SETJMP_SUPPORTED - volatile -#endif - png_structp png_ptr; -#ifdef PNG_SETJMP_SUPPORTED -#ifdef USE_FAR_KEYWORD - jmp_buf jmpbuf; -#endif -#endif - int i; - png_debug(1, "in png_create_write_struct"); -#ifdef PNG_USER_MEM_SUPPORTED - png_ptr = (png_structp)png_create_struct_2(PNG_STRUCT_PNG, - (png_malloc_ptr)malloc_fn, (png_voidp)mem_ptr); -#else - png_ptr = (png_structp)png_create_struct(PNG_STRUCT_PNG); -#endif /* PNG_USER_MEM_SUPPORTED */ - if (png_ptr == NULL) - return (NULL); - - /* added at libpng-1.2.6 */ -#ifdef PNG_SET_USER_LIMITS_SUPPORTED - png_ptr->user_width_max=PNG_USER_WIDTH_MAX; - png_ptr->user_height_max=PNG_USER_HEIGHT_MAX; -#endif - -#ifdef PNG_SETJMP_SUPPORTED -#ifdef USE_FAR_KEYWORD - if (setjmp(jmpbuf)) -#else - if (setjmp(png_ptr->jmpbuf)) -#endif - { - png_free(png_ptr, png_ptr->zbuf); - png_ptr->zbuf=NULL; - png_destroy_struct(png_ptr); - return (NULL); - } -#ifdef USE_FAR_KEYWORD - png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf)); -#endif -#endif - -#ifdef PNG_USER_MEM_SUPPORTED - png_set_mem_fn(png_ptr, mem_ptr, malloc_fn, free_fn); -#endif /* PNG_USER_MEM_SUPPORTED */ - png_set_error_fn(png_ptr, error_ptr, error_fn, warn_fn); - - if (user_png_ver) - { - i=0; - do - { - if (user_png_ver[i] != png_libpng_ver[i]) - png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH; - } while (png_libpng_ver[i++]); - } - - if (png_ptr->flags & PNG_FLAG_LIBRARY_MISMATCH) - { - /* Libpng 0.90 and later are binary incompatible with libpng 0.89, so - * we must recompile any applications that use any older library version. - * For versions after libpng 1.0, we will be compatible, so we need - * only check the first digit. - */ - if (user_png_ver == NULL || user_png_ver[0] != png_libpng_ver[0] || - (user_png_ver[0] == '1' && user_png_ver[2] != png_libpng_ver[2]) || - (user_png_ver[0] == '0' && user_png_ver[2] < '9')) - { -#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE) - char msg[80]; - if (user_png_ver) - { - png_snprintf(msg, 80, - "Application was compiled with png.h from libpng-%.20s", - user_png_ver); - png_warning(png_ptr, msg); - } - png_snprintf(msg, 80, - "Application is running with png.c from libpng-%.20s", - png_libpng_ver); - png_warning(png_ptr, msg); -#endif -#ifdef PNG_ERROR_NUMBERS_SUPPORTED - png_ptr->flags=0; -#endif - png_error(png_ptr, - "Incompatible libpng version in application and library"); - } - } - - /* initialize zbuf - compression buffer */ - png_ptr->zbuf_size = PNG_ZBUF_SIZE; - png_ptr->zbuf = (png_bytep)png_malloc(png_ptr, - (png_uint_32)png_ptr->zbuf_size); - - png_set_write_fn(png_ptr, png_voidp_NULL, png_rw_ptr_NULL, - png_flush_ptr_NULL); - -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - png_set_filter_heuristics(png_ptr, PNG_FILTER_HEURISTIC_DEFAULT, - 1, png_doublep_NULL, png_doublep_NULL); -#endif - -#ifdef PNG_SETJMP_SUPPORTED -/* Applications that neglect to set up their own setjmp() and then encounter - a png_error() will longjmp here. Since the jmpbuf is then meaningless we - abort instead of returning. */ -#ifdef USE_FAR_KEYWORD - if (setjmp(jmpbuf)) - PNG_ABORT(); - png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf)); -#else - if (setjmp(png_ptr->jmpbuf)) - PNG_ABORT(); -#endif -#endif - return (png_ptr); -} - -/* Initialize png_ptr structure, and allocate any memory needed */ -#if defined(PNG_1_0_X) || defined(PNG_1_2_X) -/* Deprecated. */ -#undef png_write_init -void PNGAPI -png_write_init(png_structp png_ptr) -{ - /* We only come here via pre-1.0.7-compiled applications */ - png_write_init_2(png_ptr, "1.0.6 or earlier", 0, 0); -} - -void PNGAPI -png_write_init_2(png_structp png_ptr, png_const_charp user_png_ver, - png_size_t png_struct_size, png_size_t png_info_size) -{ - /* We only come here via pre-1.0.12-compiled applications */ - if (png_ptr == NULL) return; -#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE) - if (png_sizeof(png_struct) > png_struct_size || - png_sizeof(png_info) > png_info_size) - { - char msg[80]; - png_ptr->warning_fn=NULL; - if (user_png_ver) - { - png_snprintf(msg, 80, - "Application was compiled with png.h from libpng-%.20s", - user_png_ver); - png_warning(png_ptr, msg); - } - png_snprintf(msg, 80, - "Application is running with png.c from libpng-%.20s", - png_libpng_ver); - png_warning(png_ptr, msg); - } -#endif - if (png_sizeof(png_struct) > png_struct_size) - { - png_ptr->error_fn=NULL; -#ifdef PNG_ERROR_NUMBERS_SUPPORTED - png_ptr->flags=0; -#endif - png_error(png_ptr, - "The png struct allocated by the application for writing is too small."); - } - if (png_sizeof(png_info) > png_info_size) - { - png_ptr->error_fn=NULL; -#ifdef PNG_ERROR_NUMBERS_SUPPORTED - png_ptr->flags=0; -#endif - png_error(png_ptr, - "The info struct allocated by the application for writing is too small."); - } - png_write_init_3(&png_ptr, user_png_ver, png_struct_size); -} -#endif /* PNG_1_0_X || PNG_1_2_X */ - - -void PNGAPI -png_write_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver, - png_size_t png_struct_size) -{ - png_structp png_ptr=*ptr_ptr; -#ifdef PNG_SETJMP_SUPPORTED - jmp_buf tmp_jmp; /* to save current jump buffer */ -#endif - - int i = 0; - - if (png_ptr == NULL) - return; - - do - { - if (user_png_ver[i] != png_libpng_ver[i]) - { -#ifdef PNG_LEGACY_SUPPORTED - png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH; -#else - png_ptr->warning_fn=NULL; - png_warning(png_ptr, - "Application uses deprecated png_write_init() and should be recompiled."); - break; -#endif - } - } while (png_libpng_ver[i++]); - - png_debug(1, "in png_write_init_3"); - -#ifdef PNG_SETJMP_SUPPORTED - /* save jump buffer and error functions */ - png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof(jmp_buf)); -#endif - - if (png_sizeof(png_struct) > png_struct_size) - { - png_destroy_struct(png_ptr); - png_ptr = (png_structp)png_create_struct(PNG_STRUCT_PNG); - *ptr_ptr = png_ptr; - } - - /* reset all variables to 0 */ - png_memset(png_ptr, 0, png_sizeof(png_struct)); - - /* added at libpng-1.2.6 */ -#ifdef PNG_SET_USER_LIMITS_SUPPORTED - png_ptr->user_width_max=PNG_USER_WIDTH_MAX; - png_ptr->user_height_max=PNG_USER_HEIGHT_MAX; -#endif - -#ifdef PNG_SETJMP_SUPPORTED - /* restore jump buffer */ - png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof(jmp_buf)); -#endif - - png_set_write_fn(png_ptr, png_voidp_NULL, png_rw_ptr_NULL, - png_flush_ptr_NULL); - - /* initialize zbuf - compression buffer */ - png_ptr->zbuf_size = PNG_ZBUF_SIZE; - png_ptr->zbuf = (png_bytep)png_malloc(png_ptr, - (png_uint_32)png_ptr->zbuf_size); - -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - png_set_filter_heuristics(png_ptr, PNG_FILTER_HEURISTIC_DEFAULT, - 1, png_doublep_NULL, png_doublep_NULL); -#endif -} - -/* Write a few rows of image data. If the image is interlaced, - * either you will have to write the 7 sub images, or, if you - * have called png_set_interlace_handling(), you will have to - * "write" the image seven times. - */ -void PNGAPI -png_write_rows(png_structp png_ptr, png_bytepp row, - png_uint_32 num_rows) -{ - png_uint_32 i; /* row counter */ - png_bytepp rp; /* row pointer */ - - png_debug(1, "in png_write_rows"); - - if (png_ptr == NULL) - return; - - /* loop through the rows */ - for (i = 0, rp = row; i < num_rows; i++, rp++) - { - png_write_row(png_ptr, *rp); - } -} - -/* Write the image. You only need to call this function once, even - * if you are writing an interlaced image. - */ -void PNGAPI -png_write_image(png_structp png_ptr, png_bytepp image) -{ - png_uint_32 i; /* row index */ - int pass, num_pass; /* pass variables */ - png_bytepp rp; /* points to current row */ - - if (png_ptr == NULL) - return; - - png_debug(1, "in png_write_image"); -#if defined(PNG_WRITE_INTERLACING_SUPPORTED) - /* intialize interlace handling. If image is not interlaced, - this will set pass to 1 */ - num_pass = png_set_interlace_handling(png_ptr); -#else - num_pass = 1; -#endif - /* loop through passes */ - for (pass = 0; pass < num_pass; pass++) - { - /* loop through image */ - for (i = 0, rp = image; i < png_ptr->height; i++, rp++) - { - png_write_row(png_ptr, *rp); - } - } -} - -/* called by user to write a row of image data */ -void PNGAPI -png_write_row(png_structp png_ptr, png_bytep row) -{ - if (png_ptr == NULL) - return; - png_debug2(1, "in png_write_row (row %ld, pass %d)", - png_ptr->row_number, png_ptr->pass); - - /* initialize transformations and other stuff if first time */ - if (png_ptr->row_number == 0 && png_ptr->pass == 0) - { - /* make sure we wrote the header info */ - if (!(png_ptr->mode & PNG_WROTE_INFO_BEFORE_PLTE)) - png_error(png_ptr, - "png_write_info was never called before png_write_row."); - - /* check for transforms that have been set but were defined out */ -#if !defined(PNG_WRITE_INVERT_SUPPORTED) && defined(PNG_READ_INVERT_SUPPORTED) - if (png_ptr->transformations & PNG_INVERT_MONO) - png_warning(png_ptr, "PNG_WRITE_INVERT_SUPPORTED is not defined."); -#endif -#if !defined(PNG_WRITE_FILLER_SUPPORTED) && defined(PNG_READ_FILLER_SUPPORTED) - if (png_ptr->transformations & PNG_FILLER) - png_warning(png_ptr, "PNG_WRITE_FILLER_SUPPORTED is not defined."); -#endif -#if !defined(PNG_WRITE_PACKSWAP_SUPPORTED) && defined(PNG_READ_PACKSWAP_SUPPORTED) - if (png_ptr->transformations & PNG_PACKSWAP) - png_warning(png_ptr, "PNG_WRITE_PACKSWAP_SUPPORTED is not defined."); -#endif -#if !defined(PNG_WRITE_PACK_SUPPORTED) && defined(PNG_READ_PACK_SUPPORTED) - if (png_ptr->transformations & PNG_PACK) - png_warning(png_ptr, "PNG_WRITE_PACK_SUPPORTED is not defined."); -#endif -#if !defined(PNG_WRITE_SHIFT_SUPPORTED) && defined(PNG_READ_SHIFT_SUPPORTED) - if (png_ptr->transformations & PNG_SHIFT) - png_warning(png_ptr, "PNG_WRITE_SHIFT_SUPPORTED is not defined."); -#endif -#if !defined(PNG_WRITE_BGR_SUPPORTED) && defined(PNG_READ_BGR_SUPPORTED) - if (png_ptr->transformations & PNG_BGR) - png_warning(png_ptr, "PNG_WRITE_BGR_SUPPORTED is not defined."); -#endif -#if !defined(PNG_WRITE_SWAP_SUPPORTED) && defined(PNG_READ_SWAP_SUPPORTED) - if (png_ptr->transformations & PNG_SWAP_BYTES) - png_warning(png_ptr, "PNG_WRITE_SWAP_SUPPORTED is not defined."); -#endif - - png_write_start_row(png_ptr); - } - -#if defined(PNG_WRITE_INTERLACING_SUPPORTED) - /* if interlaced and not interested in row, return */ - if (png_ptr->interlaced && (png_ptr->transformations & PNG_INTERLACE)) - { - switch (png_ptr->pass) - { - case 0: - if (png_ptr->row_number & 0x07) - { - png_write_finish_row(png_ptr); - return; - } - break; - case 1: - if ((png_ptr->row_number & 0x07) || png_ptr->width < 5) - { - png_write_finish_row(png_ptr); - return; - } - break; - case 2: - if ((png_ptr->row_number & 0x07) != 4) - { - png_write_finish_row(png_ptr); - return; - } - break; - case 3: - if ((png_ptr->row_number & 0x03) || png_ptr->width < 3) - { - png_write_finish_row(png_ptr); - return; - } - break; - case 4: - if ((png_ptr->row_number & 0x03) != 2) - { - png_write_finish_row(png_ptr); - return; - } - break; - case 5: - if ((png_ptr->row_number & 0x01) || png_ptr->width < 2) - { - png_write_finish_row(png_ptr); - return; - } - break; - case 6: - if (!(png_ptr->row_number & 0x01)) - { - png_write_finish_row(png_ptr); - return; - } - break; - } - } -#endif - - /* set up row info for transformations */ - png_ptr->row_info.color_type = png_ptr->color_type; - png_ptr->row_info.width = png_ptr->usr_width; - png_ptr->row_info.channels = png_ptr->usr_channels; - png_ptr->row_info.bit_depth = png_ptr->usr_bit_depth; - png_ptr->row_info.pixel_depth = (png_byte)(png_ptr->row_info.bit_depth * - png_ptr->row_info.channels); - - png_ptr->row_info.rowbytes = PNG_ROWBYTES(png_ptr->row_info.pixel_depth, - png_ptr->row_info.width); - - png_debug1(3, "row_info->color_type = %d", png_ptr->row_info.color_type); - png_debug1(3, "row_info->width = %lu", png_ptr->row_info.width); - png_debug1(3, "row_info->channels = %d", png_ptr->row_info.channels); - png_debug1(3, "row_info->bit_depth = %d", png_ptr->row_info.bit_depth); - png_debug1(3, "row_info->pixel_depth = %d", png_ptr->row_info.pixel_depth); - png_debug1(3, "row_info->rowbytes = %lu", png_ptr->row_info.rowbytes); - - /* Copy user's row into buffer, leaving room for filter byte. */ - png_memcpy_check(png_ptr, png_ptr->row_buf + 1, row, - png_ptr->row_info.rowbytes); - -#if defined(PNG_WRITE_INTERLACING_SUPPORTED) - /* handle interlacing */ - if (png_ptr->interlaced && png_ptr->pass < 6 && - (png_ptr->transformations & PNG_INTERLACE)) - { - png_do_write_interlace(&(png_ptr->row_info), - png_ptr->row_buf + 1, png_ptr->pass); - /* this should always get caught above, but still ... */ - if (!(png_ptr->row_info.width)) - { - png_write_finish_row(png_ptr); - return; - } - } -#endif - - /* handle other transformations */ - if (png_ptr->transformations) - png_do_write_transformations(png_ptr); - -#if defined(PNG_MNG_FEATURES_SUPPORTED) - /* Write filter_method 64 (intrapixel differencing) only if - * 1. Libpng was compiled with PNG_MNG_FEATURES_SUPPORTED and - * 2. Libpng did not write a PNG signature (this filter_method is only - * used in PNG datastreams that are embedded in MNG datastreams) and - * 3. The application called png_permit_mng_features with a mask that - * included PNG_FLAG_MNG_FILTER_64 and - * 4. The filter_method is 64 and - * 5. The color_type is RGB or RGBA - */ - if ((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) && - (png_ptr->filter_type == PNG_INTRAPIXEL_DIFFERENCING)) - { - /* Intrapixel differencing */ - png_do_write_intrapixel(&(png_ptr->row_info), png_ptr->row_buf + 1); - } -#endif - - /* Find a filter if necessary, filter the row and write it out. */ - png_write_find_filter(png_ptr, &(png_ptr->row_info)); - - if (png_ptr->write_row_fn != NULL) - (*(png_ptr->write_row_fn))(png_ptr, png_ptr->row_number, png_ptr->pass); -} - -#if defined(PNG_WRITE_FLUSH_SUPPORTED) -/* Set the automatic flush interval or 0 to turn flushing off */ -void PNGAPI -png_set_flush(png_structp png_ptr, int nrows) -{ - png_debug(1, "in png_set_flush"); - if (png_ptr == NULL) - return; - png_ptr->flush_dist = (nrows < 0 ? 0 : nrows); -} - -/* flush the current output buffers now */ -void PNGAPI -png_write_flush(png_structp png_ptr) -{ - int wrote_IDAT; - - png_debug(1, "in png_write_flush"); - if (png_ptr == NULL) - return; - /* We have already written out all of the data */ - if (png_ptr->row_number >= png_ptr->num_rows) - return; - - do - { - int ret; - - /* compress the data */ - ret = deflate(&png_ptr->zstream, Z_SYNC_FLUSH); - wrote_IDAT = 0; - - /* check for compression errors */ - if (ret != Z_OK) - { - if (png_ptr->zstream.msg != NULL) - png_error(png_ptr, png_ptr->zstream.msg); - else - png_error(png_ptr, "zlib error"); - } - - if (!(png_ptr->zstream.avail_out)) - { - /* write the IDAT and reset the zlib output buffer */ - png_write_IDAT(png_ptr, png_ptr->zbuf, - png_ptr->zbuf_size); - png_ptr->zstream.next_out = png_ptr->zbuf; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - wrote_IDAT = 1; - } - } while(wrote_IDAT == 1); - - /* If there is any data left to be output, write it into a new IDAT */ - if (png_ptr->zbuf_size != png_ptr->zstream.avail_out) - { - /* write the IDAT and reset the zlib output buffer */ - png_write_IDAT(png_ptr, png_ptr->zbuf, - png_ptr->zbuf_size - png_ptr->zstream.avail_out); - png_ptr->zstream.next_out = png_ptr->zbuf; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - } - png_ptr->flush_rows = 0; - png_flush(png_ptr); -} -#endif /* PNG_WRITE_FLUSH_SUPPORTED */ - -/* free all memory used by the write */ -void PNGAPI -png_destroy_write_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr) -{ - png_structp png_ptr = NULL; - png_infop info_ptr = NULL; -#ifdef PNG_USER_MEM_SUPPORTED - png_free_ptr free_fn = NULL; - png_voidp mem_ptr = NULL; -#endif - - png_debug(1, "in png_destroy_write_struct"); - if (png_ptr_ptr != NULL) - { - png_ptr = *png_ptr_ptr; -#ifdef PNG_USER_MEM_SUPPORTED - free_fn = png_ptr->free_fn; - mem_ptr = png_ptr->mem_ptr; -#endif - } - -#ifdef PNG_USER_MEM_SUPPORTED - if (png_ptr != NULL) - { - free_fn = png_ptr->free_fn; - mem_ptr = png_ptr->mem_ptr; - } -#endif - - if (info_ptr_ptr != NULL) - info_ptr = *info_ptr_ptr; - - if (info_ptr != NULL) - { - if (png_ptr != NULL) - { - png_free_data(png_ptr, info_ptr, PNG_FREE_ALL, -1); - -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) - if (png_ptr->num_chunk_list) - { - png_free(png_ptr, png_ptr->chunk_list); - png_ptr->chunk_list=NULL; - png_ptr->num_chunk_list = 0; - } -#endif - } - -#ifdef PNG_USER_MEM_SUPPORTED - png_destroy_struct_2((png_voidp)info_ptr, (png_free_ptr)free_fn, - (png_voidp)mem_ptr); -#else - png_destroy_struct((png_voidp)info_ptr); -#endif - *info_ptr_ptr = NULL; - } - - if (png_ptr != NULL) - { - png_write_destroy(png_ptr); -#ifdef PNG_USER_MEM_SUPPORTED - png_destroy_struct_2((png_voidp)png_ptr, (png_free_ptr)free_fn, - (png_voidp)mem_ptr); -#else - png_destroy_struct((png_voidp)png_ptr); -#endif - *png_ptr_ptr = NULL; - } -} - - -/* Free any memory used in png_ptr struct (old method) */ -void /* PRIVATE */ -png_write_destroy(png_structp png_ptr) -{ -#ifdef PNG_SETJMP_SUPPORTED - jmp_buf tmp_jmp; /* save jump buffer */ -#endif - png_error_ptr error_fn; - png_error_ptr warning_fn; - png_voidp error_ptr; -#ifdef PNG_USER_MEM_SUPPORTED - png_free_ptr free_fn; -#endif - - png_debug(1, "in png_write_destroy"); - /* free any memory zlib uses */ - deflateEnd(&png_ptr->zstream); - - /* free our memory. png_free checks NULL for us. */ - png_free(png_ptr, png_ptr->zbuf); - png_free(png_ptr, png_ptr->row_buf); -#ifndef PNG_NO_WRITE_FILTER - png_free(png_ptr, png_ptr->prev_row); - png_free(png_ptr, png_ptr->sub_row); - png_free(png_ptr, png_ptr->up_row); - png_free(png_ptr, png_ptr->avg_row); - png_free(png_ptr, png_ptr->paeth_row); -#endif - -#if defined(PNG_TIME_RFC1123_SUPPORTED) - png_free(png_ptr, png_ptr->time_buffer); -#endif - -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - png_free(png_ptr, png_ptr->prev_filters); - png_free(png_ptr, png_ptr->filter_weights); - png_free(png_ptr, png_ptr->inv_filter_weights); - png_free(png_ptr, png_ptr->filter_costs); - png_free(png_ptr, png_ptr->inv_filter_costs); -#endif - -#ifdef PNG_SETJMP_SUPPORTED - /* reset structure */ - png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof(jmp_buf)); -#endif - - error_fn = png_ptr->error_fn; - warning_fn = png_ptr->warning_fn; - error_ptr = png_ptr->error_ptr; -#ifdef PNG_USER_MEM_SUPPORTED - free_fn = png_ptr->free_fn; -#endif - - png_memset(png_ptr, 0, png_sizeof(png_struct)); - - png_ptr->error_fn = error_fn; - png_ptr->warning_fn = warning_fn; - png_ptr->error_ptr = error_ptr; -#ifdef PNG_USER_MEM_SUPPORTED - png_ptr->free_fn = free_fn; -#endif - -#ifdef PNG_SETJMP_SUPPORTED - png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof(jmp_buf)); -#endif -} - -/* Allow the application to select one or more row filters to use. */ -void PNGAPI -png_set_filter(png_structp png_ptr, int method, int filters) -{ - png_debug(1, "in png_set_filter"); - if (png_ptr == NULL) - return; -#if defined(PNG_MNG_FEATURES_SUPPORTED) - if ((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) && - (method == PNG_INTRAPIXEL_DIFFERENCING)) - method = PNG_FILTER_TYPE_BASE; -#endif - if (method == PNG_FILTER_TYPE_BASE) - { - switch (filters & (PNG_ALL_FILTERS | 0x07)) - { -#ifndef PNG_NO_WRITE_FILTER - case 5: - case 6: - case 7: png_warning(png_ptr, "Unknown row filter for method 0"); -#endif /* PNG_NO_WRITE_FILTER */ - case PNG_FILTER_VALUE_NONE: - png_ptr->do_filter=PNG_FILTER_NONE; break; -#ifndef PNG_NO_WRITE_FILTER - case PNG_FILTER_VALUE_SUB: - png_ptr->do_filter=PNG_FILTER_SUB; break; - case PNG_FILTER_VALUE_UP: - png_ptr->do_filter=PNG_FILTER_UP; break; - case PNG_FILTER_VALUE_AVG: - png_ptr->do_filter=PNG_FILTER_AVG; break; - case PNG_FILTER_VALUE_PAETH: - png_ptr->do_filter=PNG_FILTER_PAETH; break; - default: png_ptr->do_filter = (png_byte)filters; break; -#else - default: png_warning(png_ptr, "Unknown row filter for method 0"); -#endif /* PNG_NO_WRITE_FILTER */ - } - - /* If we have allocated the row_buf, this means we have already started - * with the image and we should have allocated all of the filter buffers - * that have been selected. If prev_row isn't already allocated, then - * it is too late to start using the filters that need it, since we - * will be missing the data in the previous row. If an application - * wants to start and stop using particular filters during compression, - * it should start out with all of the filters, and then add and - * remove them after the start of compression. - */ - if (png_ptr->row_buf != NULL) - { -#ifndef PNG_NO_WRITE_FILTER - if ((png_ptr->do_filter & PNG_FILTER_SUB) && png_ptr->sub_row == NULL) - { - png_ptr->sub_row = (png_bytep)png_malloc(png_ptr, - (png_ptr->rowbytes + 1)); - png_ptr->sub_row[0] = PNG_FILTER_VALUE_SUB; - } - - if ((png_ptr->do_filter & PNG_FILTER_UP) && png_ptr->up_row == NULL) - { - if (png_ptr->prev_row == NULL) - { - png_warning(png_ptr, "Can't add Up filter after starting"); - png_ptr->do_filter &= ~PNG_FILTER_UP; - } - else - { - png_ptr->up_row = (png_bytep)png_malloc(png_ptr, - (png_ptr->rowbytes + 1)); - png_ptr->up_row[0] = PNG_FILTER_VALUE_UP; - } - } - - if ((png_ptr->do_filter & PNG_FILTER_AVG) && png_ptr->avg_row == NULL) - { - if (png_ptr->prev_row == NULL) - { - png_warning(png_ptr, "Can't add Average filter after starting"); - png_ptr->do_filter &= ~PNG_FILTER_AVG; - } - else - { - png_ptr->avg_row = (png_bytep)png_malloc(png_ptr, - (png_ptr->rowbytes + 1)); - png_ptr->avg_row[0] = PNG_FILTER_VALUE_AVG; - } - } - - if ((png_ptr->do_filter & PNG_FILTER_PAETH) && - png_ptr->paeth_row == NULL) - { - if (png_ptr->prev_row == NULL) - { - png_warning(png_ptr, "Can't add Paeth filter after starting"); - png_ptr->do_filter &= (png_byte)(~PNG_FILTER_PAETH); - } - else - { - png_ptr->paeth_row = (png_bytep)png_malloc(png_ptr, - (png_ptr->rowbytes + 1)); - png_ptr->paeth_row[0] = PNG_FILTER_VALUE_PAETH; - } - } - - if (png_ptr->do_filter == PNG_NO_FILTERS) -#endif /* PNG_NO_WRITE_FILTER */ - png_ptr->do_filter = PNG_FILTER_NONE; - } - } - else - png_error(png_ptr, "Unknown custom filter method"); -} - -/* This allows us to influence the way in which libpng chooses the "best" - * filter for the current scanline. While the "minimum-sum-of-absolute- - * differences metric is relatively fast and effective, there is some - * question as to whether it can be improved upon by trying to keep the - * filtered data going to zlib more consistent, hopefully resulting in - * better compression. - */ -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) /* GRR 970116 */ -void PNGAPI -png_set_filter_heuristics(png_structp png_ptr, int heuristic_method, - int num_weights, png_doublep filter_weights, - png_doublep filter_costs) -{ - int i; - - png_debug(1, "in png_set_filter_heuristics"); - if (png_ptr == NULL) - return; - if (heuristic_method >= PNG_FILTER_HEURISTIC_LAST) - { - png_warning(png_ptr, "Unknown filter heuristic method"); - return; - } - - if (heuristic_method == PNG_FILTER_HEURISTIC_DEFAULT) - { - heuristic_method = PNG_FILTER_HEURISTIC_UNWEIGHTED; - } - - if (num_weights < 0 || filter_weights == NULL || - heuristic_method == PNG_FILTER_HEURISTIC_UNWEIGHTED) - { - num_weights = 0; - } - - png_ptr->num_prev_filters = (png_byte)num_weights; - png_ptr->heuristic_method = (png_byte)heuristic_method; - - if (num_weights > 0) - { - if (png_ptr->prev_filters == NULL) - { - png_ptr->prev_filters = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(png_sizeof(png_byte) * num_weights)); - - /* To make sure that the weighting starts out fairly */ - for (i = 0; i < num_weights; i++) - { - png_ptr->prev_filters[i] = 255; - } - } - - if (png_ptr->filter_weights == NULL) - { - png_ptr->filter_weights = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(png_sizeof(png_uint_16) * num_weights)); - - png_ptr->inv_filter_weights = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(png_sizeof(png_uint_16) * num_weights)); - for (i = 0; i < num_weights; i++) - { - png_ptr->inv_filter_weights[i] = - png_ptr->filter_weights[i] = PNG_WEIGHT_FACTOR; - } - } - - for (i = 0; i < num_weights; i++) - { - if (filter_weights[i] < 0.0) - { - png_ptr->inv_filter_weights[i] = - png_ptr->filter_weights[i] = PNG_WEIGHT_FACTOR; - } - else - { - png_ptr->inv_filter_weights[i] = - (png_uint_16)((double)PNG_WEIGHT_FACTOR*filter_weights[i]+0.5); - png_ptr->filter_weights[i] = - (png_uint_16)((double)PNG_WEIGHT_FACTOR/filter_weights[i]+0.5); - } - } - } - - /* If, in the future, there are other filter methods, this would - * need to be based on png_ptr->filter. - */ - if (png_ptr->filter_costs == NULL) - { - png_ptr->filter_costs = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(png_sizeof(png_uint_16) * PNG_FILTER_VALUE_LAST)); - - png_ptr->inv_filter_costs = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(png_sizeof(png_uint_16) * PNG_FILTER_VALUE_LAST)); - - for (i = 0; i < PNG_FILTER_VALUE_LAST; i++) - { - png_ptr->inv_filter_costs[i] = - png_ptr->filter_costs[i] = PNG_COST_FACTOR; - } - } - - /* Here is where we set the relative costs of the different filters. We - * should take the desired compression level into account when setting - * the costs, so that Paeth, for instance, has a high relative cost at low - * compression levels, while it has a lower relative cost at higher - * compression settings. The filter types are in order of increasing - * relative cost, so it would be possible to do this with an algorithm. - */ - for (i = 0; i < PNG_FILTER_VALUE_LAST; i++) - { - if (filter_costs == NULL || filter_costs[i] < 0.0) - { - png_ptr->inv_filter_costs[i] = - png_ptr->filter_costs[i] = PNG_COST_FACTOR; - } - else if (filter_costs[i] >= 1.0) - { - png_ptr->inv_filter_costs[i] = - (png_uint_16)((double)PNG_COST_FACTOR / filter_costs[i] + 0.5); - png_ptr->filter_costs[i] = - (png_uint_16)((double)PNG_COST_FACTOR * filter_costs[i] + 0.5); - } - } -} -#endif /* PNG_WRITE_WEIGHTED_FILTER_SUPPORTED */ - -void PNGAPI -png_set_compression_level(png_structp png_ptr, int level) -{ - png_debug(1, "in png_set_compression_level"); - if (png_ptr == NULL) - return; - png_ptr->flags |= PNG_FLAG_ZLIB_CUSTOM_LEVEL; - png_ptr->zlib_level = level; -} - -void PNGAPI -png_set_compression_mem_level(png_structp png_ptr, int mem_level) -{ - png_debug(1, "in png_set_compression_mem_level"); - if (png_ptr == NULL) - return; - png_ptr->flags |= PNG_FLAG_ZLIB_CUSTOM_MEM_LEVEL; - png_ptr->zlib_mem_level = mem_level; -} - -void PNGAPI -png_set_compression_strategy(png_structp png_ptr, int strategy) -{ - png_debug(1, "in png_set_compression_strategy"); - if (png_ptr == NULL) - return; - png_ptr->flags |= PNG_FLAG_ZLIB_CUSTOM_STRATEGY; - png_ptr->zlib_strategy = strategy; -} - -void PNGAPI -png_set_compression_window_bits(png_structp png_ptr, int window_bits) -{ - if (png_ptr == NULL) - return; - if (window_bits > 15) - png_warning(png_ptr, "Only compression windows <= 32k supported by PNG"); - else if (window_bits < 8) - png_warning(png_ptr, "Only compression windows >= 256 supported by PNG"); -#ifndef WBITS_8_OK - /* avoid libpng bug with 256-byte windows */ - if (window_bits == 8) - { - png_warning(png_ptr, "Compression window is being reset to 512"); - window_bits=9; - } -#endif - png_ptr->flags |= PNG_FLAG_ZLIB_CUSTOM_WINDOW_BITS; - png_ptr->zlib_window_bits = window_bits; -} - -void PNGAPI -png_set_compression_method(png_structp png_ptr, int method) -{ - png_debug(1, "in png_set_compression_method"); - if (png_ptr == NULL) - return; - if (method != 8) - png_warning(png_ptr, "Only compression method 8 is supported by PNG"); - png_ptr->flags |= PNG_FLAG_ZLIB_CUSTOM_METHOD; - png_ptr->zlib_method = method; -} - -void PNGAPI -png_set_write_status_fn(png_structp png_ptr, png_write_status_ptr write_row_fn) -{ - if (png_ptr == NULL) - return; - png_ptr->write_row_fn = write_row_fn; -} - -#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) -void PNGAPI -png_set_write_user_transform_fn(png_structp png_ptr, png_user_transform_ptr - write_user_transform_fn) -{ - png_debug(1, "in png_set_write_user_transform_fn"); - if (png_ptr == NULL) - return; - png_ptr->transformations |= PNG_USER_TRANSFORM; - png_ptr->write_user_transform_fn = write_user_transform_fn; -} -#endif - - -#if defined(PNG_INFO_IMAGE_SUPPORTED) -void PNGAPI -png_write_png(png_structp png_ptr, png_infop info_ptr, - int transforms, voidp params) -{ - if (png_ptr == NULL || info_ptr == NULL) - return; -#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) - /* invert the alpha channel from opacity to transparency */ - if (transforms & PNG_TRANSFORM_INVERT_ALPHA) - png_set_invert_alpha(png_ptr); -#endif - - /* Write the file header information. */ - png_write_info(png_ptr, info_ptr); - - /* ------ these transformations don't touch the info structure ------- */ - -#if defined(PNG_WRITE_INVERT_SUPPORTED) - /* invert monochrome pixels */ - if (transforms & PNG_TRANSFORM_INVERT_MONO) - png_set_invert_mono(png_ptr); -#endif - -#if defined(PNG_WRITE_SHIFT_SUPPORTED) - /* Shift the pixels up to a legal bit depth and fill in - * as appropriate to correctly scale the image. - */ - if ((transforms & PNG_TRANSFORM_SHIFT) - && (info_ptr->valid & PNG_INFO_sBIT)) - png_set_shift(png_ptr, &info_ptr->sig_bit); -#endif - -#if defined(PNG_WRITE_PACK_SUPPORTED) - /* pack pixels into bytes */ - if (transforms & PNG_TRANSFORM_PACKING) - png_set_packing(png_ptr); -#endif - -#if defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED) - /* swap location of alpha bytes from ARGB to RGBA */ - if (transforms & PNG_TRANSFORM_SWAP_ALPHA) - png_set_swap_alpha(png_ptr); -#endif - -#if defined(PNG_WRITE_FILLER_SUPPORTED) - /* Pack XRGB/RGBX/ARGB/RGBA into * RGB (4 channels -> 3 channels) */ - if (transforms & PNG_TRANSFORM_STRIP_FILLER_AFTER) - png_set_filler(png_ptr, 0, PNG_FILLER_AFTER); - else if (transforms & PNG_TRANSFORM_STRIP_FILLER_BEFORE) - png_set_filler(png_ptr, 0, PNG_FILLER_BEFORE); -#endif - -#if defined(PNG_WRITE_BGR_SUPPORTED) - /* flip BGR pixels to RGB */ - if (transforms & PNG_TRANSFORM_BGR) - png_set_bgr(png_ptr); -#endif - -#if defined(PNG_WRITE_SWAP_SUPPORTED) - /* swap bytes of 16-bit files to most significant byte first */ - if (transforms & PNG_TRANSFORM_SWAP_ENDIAN) - png_set_swap(png_ptr); -#endif - -#if defined(PNG_WRITE_PACKSWAP_SUPPORTED) - /* swap bits of 1, 2, 4 bit packed pixel formats */ - if (transforms & PNG_TRANSFORM_PACKSWAP) - png_set_packswap(png_ptr); -#endif - - /* ----------------------- end of transformations ------------------- */ - - /* write the bits */ - if (info_ptr->valid & PNG_INFO_IDAT) - png_write_image(png_ptr, info_ptr->row_pointers); - - /* It is REQUIRED to call this to finish writing the rest of the file */ - png_write_end(png_ptr, info_ptr); - - transforms = transforms; /* quiet compiler warnings */ - params = params; -} -#endif -#endif /* PNG_WRITE_SUPPORTED */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngwtran.c b/Build/source/libs/libpng/libpng-1.2.34/pngwtran.c deleted file mode 100644 index 398fc41be61..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngwtran.c +++ /dev/null @@ -1,572 +0,0 @@ - -/* pngwtran.c - transforms the data in a row for PNG writers - * - * Last changed in libpng 1.2.9 April 14, 2006 - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2006 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - */ - -#define PNG_INTERNAL -#include "png.h" -#ifdef PNG_WRITE_SUPPORTED - -/* Transform the data according to the user's wishes. The order of - * transformations is significant. - */ -void /* PRIVATE */ -png_do_write_transformations(png_structp png_ptr) -{ - png_debug(1, "in png_do_write_transformations"); - - if (png_ptr == NULL) - return; - -#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) - if (png_ptr->transformations & PNG_USER_TRANSFORM) - if (png_ptr->write_user_transform_fn != NULL) - (*(png_ptr->write_user_transform_fn)) /* user write transform function */ - (png_ptr, /* png_ptr */ - &(png_ptr->row_info), /* row_info: */ - /* png_uint_32 width; width of row */ - /* png_uint_32 rowbytes; number of bytes in row */ - /* png_byte color_type; color type of pixels */ - /* png_byte bit_depth; bit depth of samples */ - /* png_byte channels; number of channels (1-4) */ - /* png_byte pixel_depth; bits per pixel (depth*channels) */ - png_ptr->row_buf + 1); /* start of pixel data for row */ -#endif -#if defined(PNG_WRITE_FILLER_SUPPORTED) - if (png_ptr->transformations & PNG_FILLER) - png_do_strip_filler(&(png_ptr->row_info), png_ptr->row_buf + 1, - png_ptr->flags); -#endif -#if defined(PNG_WRITE_PACKSWAP_SUPPORTED) - if (png_ptr->transformations & PNG_PACKSWAP) - png_do_packswap(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif -#if defined(PNG_WRITE_PACK_SUPPORTED) - if (png_ptr->transformations & PNG_PACK) - png_do_pack(&(png_ptr->row_info), png_ptr->row_buf + 1, - (png_uint_32)png_ptr->bit_depth); -#endif -#if defined(PNG_WRITE_SWAP_SUPPORTED) - if (png_ptr->transformations & PNG_SWAP_BYTES) - png_do_swap(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif -#if defined(PNG_WRITE_SHIFT_SUPPORTED) - if (png_ptr->transformations & PNG_SHIFT) - png_do_shift(&(png_ptr->row_info), png_ptr->row_buf + 1, - &(png_ptr->shift)); -#endif -#if defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED) - if (png_ptr->transformations & PNG_SWAP_ALPHA) - png_do_write_swap_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif -#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) - if (png_ptr->transformations & PNG_INVERT_ALPHA) - png_do_write_invert_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif -#if defined(PNG_WRITE_BGR_SUPPORTED) - if (png_ptr->transformations & PNG_BGR) - png_do_bgr(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif -#if defined(PNG_WRITE_INVERT_SUPPORTED) - if (png_ptr->transformations & PNG_INVERT_MONO) - png_do_invert(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif -} - -#if defined(PNG_WRITE_PACK_SUPPORTED) -/* Pack pixels into bytes. Pass the true bit depth in bit_depth. The - * row_info bit depth should be 8 (one pixel per byte). The channels - * should be 1 (this only happens on grayscale and paletted images). - */ -void /* PRIVATE */ -png_do_pack(png_row_infop row_info, png_bytep row, png_uint_32 bit_depth) -{ - png_debug(1, "in png_do_pack"); - if (row_info->bit_depth == 8 && -#if defined(PNG_USELESS_TESTS_SUPPORTED) - row != NULL && row_info != NULL && -#endif - row_info->channels == 1) - { - switch ((int)bit_depth) - { - case 1: - { - png_bytep sp, dp; - int mask, v; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - - sp = row; - dp = row; - mask = 0x80; - v = 0; - - for (i = 0; i < row_width; i++) - { - if (*sp != 0) - v |= mask; - sp++; - if (mask > 1) - mask >>= 1; - else - { - mask = 0x80; - *dp = (png_byte)v; - dp++; - v = 0; - } - } - if (mask != 0x80) - *dp = (png_byte)v; - break; - } - case 2: - { - png_bytep sp, dp; - int shift, v; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - - sp = row; - dp = row; - shift = 6; - v = 0; - for (i = 0; i < row_width; i++) - { - png_byte value; - - value = (png_byte)(*sp & 0x03); - v |= (value << shift); - if (shift == 0) - { - shift = 6; - *dp = (png_byte)v; - dp++; - v = 0; - } - else - shift -= 2; - sp++; - } - if (shift != 6) - *dp = (png_byte)v; - break; - } - case 4: - { - png_bytep sp, dp; - int shift, v; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - - sp = row; - dp = row; - shift = 4; - v = 0; - for (i = 0; i < row_width; i++) - { - png_byte value; - - value = (png_byte)(*sp & 0x0f); - v |= (value << shift); - - if (shift == 0) - { - shift = 4; - *dp = (png_byte)v; - dp++; - v = 0; - } - else - shift -= 4; - - sp++; - } - if (shift != 4) - *dp = (png_byte)v; - break; - } - } - row_info->bit_depth = (png_byte)bit_depth; - row_info->pixel_depth = (png_byte)(bit_depth * row_info->channels); - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, - row_info->width); - } -} -#endif - -#if defined(PNG_WRITE_SHIFT_SUPPORTED) -/* Shift pixel values to take advantage of whole range. Pass the - * true number of bits in bit_depth. The row should be packed - * according to row_info->bit_depth. Thus, if you had a row of - * bit depth 4, but the pixels only had values from 0 to 7, you - * would pass 3 as bit_depth, and this routine would translate the - * data to 0 to 15. - */ -void /* PRIVATE */ -png_do_shift(png_row_infop row_info, png_bytep row, png_color_8p bit_depth) -{ - png_debug(1, "in png_do_shift"); -#if defined(PNG_USELESS_TESTS_SUPPORTED) - if (row != NULL && row_info != NULL && -#else - if ( -#endif - row_info->color_type != PNG_COLOR_TYPE_PALETTE) - { - int shift_start[4], shift_dec[4]; - int channels = 0; - - if (row_info->color_type & PNG_COLOR_MASK_COLOR) - { - shift_start[channels] = row_info->bit_depth - bit_depth->red; - shift_dec[channels] = bit_depth->red; - channels++; - shift_start[channels] = row_info->bit_depth - bit_depth->green; - shift_dec[channels] = bit_depth->green; - channels++; - shift_start[channels] = row_info->bit_depth - bit_depth->blue; - shift_dec[channels] = bit_depth->blue; - channels++; - } - else - { - shift_start[channels] = row_info->bit_depth - bit_depth->gray; - shift_dec[channels] = bit_depth->gray; - channels++; - } - if (row_info->color_type & PNG_COLOR_MASK_ALPHA) - { - shift_start[channels] = row_info->bit_depth - bit_depth->alpha; - shift_dec[channels] = bit_depth->alpha; - channels++; - } - - /* with low row depths, could only be grayscale, so one channel */ - if (row_info->bit_depth < 8) - { - png_bytep bp = row; - png_uint_32 i; - png_byte mask; - png_uint_32 row_bytes = row_info->rowbytes; - - if (bit_depth->gray == 1 && row_info->bit_depth == 2) - mask = 0x55; - else if (row_info->bit_depth == 4 && bit_depth->gray == 3) - mask = 0x11; - else - mask = 0xff; - - for (i = 0; i < row_bytes; i++, bp++) - { - png_uint_16 v; - int j; - - v = *bp; - *bp = 0; - for (j = shift_start[0]; j > -shift_dec[0]; j -= shift_dec[0]) - { - if (j > 0) - *bp |= (png_byte)((v << j) & 0xff); - else - *bp |= (png_byte)((v >> (-j)) & mask); - } - } - } - else if (row_info->bit_depth == 8) - { - png_bytep bp = row; - png_uint_32 i; - png_uint_32 istop = channels * row_info->width; - - for (i = 0; i < istop; i++, bp++) - { - - png_uint_16 v; - int j; - int c = (int)(i%channels); - - v = *bp; - *bp = 0; - for (j = shift_start[c]; j > -shift_dec[c]; j -= shift_dec[c]) - { - if (j > 0) - *bp |= (png_byte)((v << j) & 0xff); - else - *bp |= (png_byte)((v >> (-j)) & 0xff); - } - } - } - else - { - png_bytep bp; - png_uint_32 i; - png_uint_32 istop = channels * row_info->width; - - for (bp = row, i = 0; i < istop; i++) - { - int c = (int)(i%channels); - png_uint_16 value, v; - int j; - - v = (png_uint_16)(((png_uint_16)(*bp) << 8) + *(bp + 1)); - value = 0; - for (j = shift_start[c]; j > -shift_dec[c]; j -= shift_dec[c]) - { - if (j > 0) - value |= (png_uint_16)((v << j) & (png_uint_16)0xffff); - else - value |= (png_uint_16)((v >> (-j)) & (png_uint_16)0xffff); - } - *bp++ = (png_byte)(value >> 8); - *bp++ = (png_byte)(value & 0xff); - } - } - } -} -#endif - -#if defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED) -void /* PRIVATE */ -png_do_write_swap_alpha(png_row_infop row_info, png_bytep row) -{ - png_debug(1, "in png_do_write_swap_alpha"); -#if defined(PNG_USELESS_TESTS_SUPPORTED) - if (row != NULL && row_info != NULL) -#endif - { - if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) - { - /* This converts from ARGB to RGBA */ - if (row_info->bit_depth == 8) - { - png_bytep sp, dp; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - for (i = 0, sp = dp = row; i < row_width; i++) - { - png_byte save = *(sp++); - *(dp++) = *(sp++); - *(dp++) = *(sp++); - *(dp++) = *(sp++); - *(dp++) = save; - } - } - /* This converts from AARRGGBB to RRGGBBAA */ - else - { - png_bytep sp, dp; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - - for (i = 0, sp = dp = row; i < row_width; i++) - { - png_byte save[2]; - save[0] = *(sp++); - save[1] = *(sp++); - *(dp++) = *(sp++); - *(dp++) = *(sp++); - *(dp++) = *(sp++); - *(dp++) = *(sp++); - *(dp++) = *(sp++); - *(dp++) = *(sp++); - *(dp++) = save[0]; - *(dp++) = save[1]; - } - } - } - else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - { - /* This converts from AG to GA */ - if (row_info->bit_depth == 8) - { - png_bytep sp, dp; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - - for (i = 0, sp = dp = row; i < row_width; i++) - { - png_byte save = *(sp++); - *(dp++) = *(sp++); - *(dp++) = save; - } - } - /* This converts from AAGG to GGAA */ - else - { - png_bytep sp, dp; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - - for (i = 0, sp = dp = row; i < row_width; i++) - { - png_byte save[2]; - save[0] = *(sp++); - save[1] = *(sp++); - *(dp++) = *(sp++); - *(dp++) = *(sp++); - *(dp++) = save[0]; - *(dp++) = save[1]; - } - } - } - } -} -#endif - -#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) -void /* PRIVATE */ -png_do_write_invert_alpha(png_row_infop row_info, png_bytep row) -{ - png_debug(1, "in png_do_write_invert_alpha"); -#if defined(PNG_USELESS_TESTS_SUPPORTED) - if (row != NULL && row_info != NULL) -#endif - { - if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) - { - /* This inverts the alpha channel in RGBA */ - if (row_info->bit_depth == 8) - { - png_bytep sp, dp; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - for (i = 0, sp = dp = row; i < row_width; i++) - { - /* does nothing - *(dp++) = *(sp++); - *(dp++) = *(sp++); - *(dp++) = *(sp++); - */ - sp+=3; dp = sp; - *(dp++) = (png_byte)(255 - *(sp++)); - } - } - /* This inverts the alpha channel in RRGGBBAA */ - else - { - png_bytep sp, dp; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - - for (i = 0, sp = dp = row; i < row_width; i++) - { - /* does nothing - *(dp++) = *(sp++); - *(dp++) = *(sp++); - *(dp++) = *(sp++); - *(dp++) = *(sp++); - *(dp++) = *(sp++); - *(dp++) = *(sp++); - */ - sp+=6; dp = sp; - *(dp++) = (png_byte)(255 - *(sp++)); - *(dp++) = (png_byte)(255 - *(sp++)); - } - } - } - else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - { - /* This inverts the alpha channel in GA */ - if (row_info->bit_depth == 8) - { - png_bytep sp, dp; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - - for (i = 0, sp = dp = row; i < row_width; i++) - { - *(dp++) = *(sp++); - *(dp++) = (png_byte)(255 - *(sp++)); - } - } - /* This inverts the alpha channel in GGAA */ - else - { - png_bytep sp, dp; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - - for (i = 0, sp = dp = row; i < row_width; i++) - { - /* does nothing - *(dp++) = *(sp++); - *(dp++) = *(sp++); - */ - sp+=2; dp = sp; - *(dp++) = (png_byte)(255 - *(sp++)); - *(dp++) = (png_byte)(255 - *(sp++)); - } - } - } - } -} -#endif - -#if defined(PNG_MNG_FEATURES_SUPPORTED) -/* undoes intrapixel differencing */ -void /* PRIVATE */ -png_do_write_intrapixel(png_row_infop row_info, png_bytep row) -{ - png_debug(1, "in png_do_write_intrapixel"); - if ( -#if defined(PNG_USELESS_TESTS_SUPPORTED) - row != NULL && row_info != NULL && -#endif - (row_info->color_type & PNG_COLOR_MASK_COLOR)) - { - int bytes_per_pixel; - png_uint_32 row_width = row_info->width; - if (row_info->bit_depth == 8) - { - png_bytep rp; - png_uint_32 i; - - if (row_info->color_type == PNG_COLOR_TYPE_RGB) - bytes_per_pixel = 3; - else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) - bytes_per_pixel = 4; - else - return; - - for (i = 0, rp = row; i < row_width; i++, rp += bytes_per_pixel) - { - *(rp) = (png_byte)((*rp - *(rp+1))&0xff); - *(rp+2) = (png_byte)((*(rp+2) - *(rp+1))&0xff); - } - } - else if (row_info->bit_depth == 16) - { - png_bytep rp; - png_uint_32 i; - - if (row_info->color_type == PNG_COLOR_TYPE_RGB) - bytes_per_pixel = 6; - else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) - bytes_per_pixel = 8; - else - return; - - for (i = 0, rp = row; i < row_width; i++, rp += bytes_per_pixel) - { - png_uint_32 s0 = (*(rp ) << 8) | *(rp+1); - png_uint_32 s1 = (*(rp+2) << 8) | *(rp+3); - png_uint_32 s2 = (*(rp+4) << 8) | *(rp+5); - png_uint_32 red = (png_uint_32)((s0 - s1) & 0xffffL); - png_uint_32 blue = (png_uint_32)((s2 - s1) & 0xffffL); - *(rp ) = (png_byte)((red >> 8) & 0xff); - *(rp+1) = (png_byte)(red & 0xff); - *(rp+4) = (png_byte)((blue >> 8) & 0xff); - *(rp+5) = (png_byte)(blue & 0xff); - } - } - } -} -#endif /* PNG_MNG_FEATURES_SUPPORTED */ -#endif /* PNG_WRITE_SUPPORTED */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/pngwutil.c b/Build/source/libs/libpng/libpng-1.2.34/pngwutil.c deleted file mode 100644 index 957e2668dc1..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/pngwutil.c +++ /dev/null @@ -1,2785 +0,0 @@ - -/* pngwutil.c - utilities to write a PNG file - * - * Last changed in libpng 1.2.34 [December 18, 2008] - * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2008 Glenn Randers-Pehrson - * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) - * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) - */ - -#define PNG_INTERNAL -#include "png.h" -#ifdef PNG_WRITE_SUPPORTED - -/* Place a 32-bit number into a buffer in PNG byte order. We work - * with unsigned numbers for convenience, although one supported - * ancillary chunk uses signed (two's complement) numbers. - */ -void PNGAPI -png_save_uint_32(png_bytep buf, png_uint_32 i) -{ - buf[0] = (png_byte)((i >> 24) & 0xff); - buf[1] = (png_byte)((i >> 16) & 0xff); - buf[2] = (png_byte)((i >> 8) & 0xff); - buf[3] = (png_byte)(i & 0xff); -} - -/* The png_save_int_32 function assumes integers are stored in two's - * complement format. If this isn't the case, then this routine needs to - * be modified to write data in two's complement format. - */ -void PNGAPI -png_save_int_32(png_bytep buf, png_int_32 i) -{ - buf[0] = (png_byte)((i >> 24) & 0xff); - buf[1] = (png_byte)((i >> 16) & 0xff); - buf[2] = (png_byte)((i >> 8) & 0xff); - buf[3] = (png_byte)(i & 0xff); -} - -/* Place a 16-bit number into a buffer in PNG byte order. - * The parameter is declared unsigned int, not png_uint_16, - * just to avoid potential problems on pre-ANSI C compilers. - */ -void PNGAPI -png_save_uint_16(png_bytep buf, unsigned int i) -{ - buf[0] = (png_byte)((i >> 8) & 0xff); - buf[1] = (png_byte)(i & 0xff); -} - -/* Simple function to write the signature. If we have already written - * the magic bytes of the signature, or more likely, the PNG stream is - * being embedded into another stream and doesn't need its own signature, - * we should call png_set_sig_bytes() to tell libpng how many of the - * bytes have already been written. - */ -void /* PRIVATE */ -png_write_sig(png_structp png_ptr) -{ - png_byte png_signature[8] = {137, 80, 78, 71, 13, 10, 26, 10}; - - /* write the rest of the 8 byte signature */ - png_write_data(png_ptr, &png_signature[png_ptr->sig_bytes], - (png_size_t)(8 - png_ptr->sig_bytes)); - if (png_ptr->sig_bytes < 3) - png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE; -} - -/* Write a PNG chunk all at once. The type is an array of ASCII characters - * representing the chunk name. The array must be at least 4 bytes in - * length, and does not need to be null terminated. To be safe, pass the - * pre-defined chunk names here, and if you need a new one, define it - * where the others are defined. The length is the length of the data. - * All the data must be present. If that is not possible, use the - * png_write_chunk_start(), png_write_chunk_data(), and png_write_chunk_end() - * functions instead. - */ -void PNGAPI -png_write_chunk(png_structp png_ptr, png_bytep chunk_name, - png_bytep data, png_size_t length) -{ - if (png_ptr == NULL) return; - png_write_chunk_start(png_ptr, chunk_name, (png_uint_32)length); - png_write_chunk_data(png_ptr, data, (png_size_t)length); - png_write_chunk_end(png_ptr); -} - -/* Write the start of a PNG chunk. The type is the chunk type. - * The total_length is the sum of the lengths of all the data you will be - * passing in png_write_chunk_data(). - */ -void PNGAPI -png_write_chunk_start(png_structp png_ptr, png_bytep chunk_name, - png_uint_32 length) -{ - png_byte buf[8]; - - png_debug2(0, "Writing %s chunk, length = %lu", chunk_name, - (unsigned long)length); - if (png_ptr == NULL) return; - - /* write the length and the chunk name */ - png_save_uint_32(buf, length); - png_memcpy(buf + 4, chunk_name, 4); - png_write_data(png_ptr, buf, (png_size_t)8); - /* put the chunk name into png_ptr->chunk_name */ - png_memcpy(png_ptr->chunk_name, chunk_name, 4); - /* reset the crc and run it over the chunk name */ - png_reset_crc(png_ptr); - png_calculate_crc(png_ptr, chunk_name, (png_size_t)4); -} - -/* Write the data of a PNG chunk started with png_write_chunk_start(). - * Note that multiple calls to this function are allowed, and that the - * sum of the lengths from these calls *must* add up to the total_length - * given to png_write_chunk_start(). - */ -void PNGAPI -png_write_chunk_data(png_structp png_ptr, png_bytep data, png_size_t length) -{ - /* write the data, and run the CRC over it */ - if (png_ptr == NULL) return; - if (data != NULL && length > 0) - { - png_write_data(png_ptr, data, length); - /* update the CRC after writing the data, - * in case that the user I/O routine alters it. - */ - png_calculate_crc(png_ptr, data, length); - } -} - -/* Finish a chunk started with png_write_chunk_start(). */ -void PNGAPI -png_write_chunk_end(png_structp png_ptr) -{ - png_byte buf[4]; - - if (png_ptr == NULL) return; - - /* write the crc in a single operation */ - png_save_uint_32(buf, png_ptr->crc); - - png_write_data(png_ptr, buf, (png_size_t)4); -} - -#if defined(PNG_WRITE_TEXT_SUPPORTED) || defined(PNG_WRITE_iCCP_SUPPORTED) -/* - * This pair of functions encapsulates the operation of (a) compressing a - * text string, and (b) issuing it later as a series of chunk data writes. - * The compression_state structure is shared context for these functions - * set up by the caller in order to make the whole mess thread-safe. - */ - -typedef struct -{ - char *input; /* the uncompressed input data */ - int input_len; /* its length */ - int num_output_ptr; /* number of output pointers used */ - int max_output_ptr; /* size of output_ptr */ - png_charpp output_ptr; /* array of pointers to output */ -} compression_state; - -/* compress given text into storage in the png_ptr structure */ -static int /* PRIVATE */ -png_text_compress(png_structp png_ptr, - png_charp text, png_size_t text_len, int compression, - compression_state *comp) -{ - int ret; - - comp->num_output_ptr = 0; - comp->max_output_ptr = 0; - comp->output_ptr = NULL; - comp->input = NULL; - comp->input_len = 0; - - /* we may just want to pass the text right through */ - if (compression == PNG_TEXT_COMPRESSION_NONE) - { - comp->input = text; - comp->input_len = text_len; - return((int)text_len); - } - - if (compression >= PNG_TEXT_COMPRESSION_LAST) - { -#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE) - char msg[50]; - png_snprintf(msg, 50, "Unknown compression type %d", compression); - png_warning(png_ptr, msg); -#else - png_warning(png_ptr, "Unknown compression type"); -#endif - } - - /* We can't write the chunk until we find out how much data we have, - * which means we need to run the compressor first and save the - * output. This shouldn't be a problem, as the vast majority of - * comments should be reasonable, but we will set up an array of - * malloc'd pointers to be sure. - * - * If we knew the application was well behaved, we could simplify this - * greatly by assuming we can always malloc an output buffer large - * enough to hold the compressed text ((1001 * text_len / 1000) + 12) - * and malloc this directly. The only time this would be a bad idea is - * if we can't malloc more than 64K and we have 64K of random input - * data, or if the input string is incredibly large (although this - * wouldn't cause a failure, just a slowdown due to swapping). - */ - - /* set up the compression buffers */ - png_ptr->zstream.avail_in = (uInt)text_len; - png_ptr->zstream.next_in = (Bytef *)text; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - png_ptr->zstream.next_out = (Bytef *)png_ptr->zbuf; - - /* this is the same compression loop as in png_write_row() */ - do - { - /* compress the data */ - ret = deflate(&png_ptr->zstream, Z_NO_FLUSH); - if (ret != Z_OK) - { - /* error */ - if (png_ptr->zstream.msg != NULL) - png_error(png_ptr, png_ptr->zstream.msg); - else - png_error(png_ptr, "zlib error"); - } - /* check to see if we need more room */ - if (!(png_ptr->zstream.avail_out)) - { - /* make sure the output array has room */ - if (comp->num_output_ptr >= comp->max_output_ptr) - { - int old_max; - - old_max = comp->max_output_ptr; - comp->max_output_ptr = comp->num_output_ptr + 4; - if (comp->output_ptr != NULL) - { - png_charpp old_ptr; - - old_ptr = comp->output_ptr; - comp->output_ptr = (png_charpp)png_malloc(png_ptr, - (png_uint_32) - (comp->max_output_ptr * png_sizeof(png_charpp))); - png_memcpy(comp->output_ptr, old_ptr, old_max - * png_sizeof(png_charp)); - png_free(png_ptr, old_ptr); - } - else - comp->output_ptr = (png_charpp)png_malloc(png_ptr, - (png_uint_32) - (comp->max_output_ptr * png_sizeof(png_charp))); - } - - /* save the data */ - comp->output_ptr[comp->num_output_ptr] = - (png_charp)png_malloc(png_ptr, - (png_uint_32)png_ptr->zbuf_size); - png_memcpy(comp->output_ptr[comp->num_output_ptr], png_ptr->zbuf, - png_ptr->zbuf_size); - comp->num_output_ptr++; - - /* and reset the buffer */ - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - png_ptr->zstream.next_out = png_ptr->zbuf; - } - /* continue until we don't have any more to compress */ - } while (png_ptr->zstream.avail_in); - - /* finish the compression */ - do - { - /* tell zlib we are finished */ - ret = deflate(&png_ptr->zstream, Z_FINISH); - - if (ret == Z_OK) - { - /* check to see if we need more room */ - if (!(png_ptr->zstream.avail_out)) - { - /* check to make sure our output array has room */ - if (comp->num_output_ptr >= comp->max_output_ptr) - { - int old_max; - - old_max = comp->max_output_ptr; - comp->max_output_ptr = comp->num_output_ptr + 4; - if (comp->output_ptr != NULL) - { - png_charpp old_ptr; - - old_ptr = comp->output_ptr; - /* This could be optimized to realloc() */ - comp->output_ptr = (png_charpp)png_malloc(png_ptr, - (png_uint_32)(comp->max_output_ptr * - png_sizeof(png_charp))); - png_memcpy(comp->output_ptr, old_ptr, - old_max * png_sizeof(png_charp)); - png_free(png_ptr, old_ptr); - } - else - comp->output_ptr = (png_charpp)png_malloc(png_ptr, - (png_uint_32)(comp->max_output_ptr * - png_sizeof(png_charp))); - } - - /* save off the data */ - comp->output_ptr[comp->num_output_ptr] = - (png_charp)png_malloc(png_ptr, - (png_uint_32)png_ptr->zbuf_size); - png_memcpy(comp->output_ptr[comp->num_output_ptr], png_ptr->zbuf, - png_ptr->zbuf_size); - comp->num_output_ptr++; - - /* and reset the buffer pointers */ - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - png_ptr->zstream.next_out = png_ptr->zbuf; - } - } - else if (ret != Z_STREAM_END) - { - /* we got an error */ - if (png_ptr->zstream.msg != NULL) - png_error(png_ptr, png_ptr->zstream.msg); - else - png_error(png_ptr, "zlib error"); - } - } while (ret != Z_STREAM_END); - - /* text length is number of buffers plus last buffer */ - text_len = png_ptr->zbuf_size * comp->num_output_ptr; - if (png_ptr->zstream.avail_out < png_ptr->zbuf_size) - text_len += png_ptr->zbuf_size - (png_size_t)png_ptr->zstream.avail_out; - - return((int)text_len); -} - -/* ship the compressed text out via chunk writes */ -static void /* PRIVATE */ -png_write_compressed_data_out(png_structp png_ptr, compression_state *comp) -{ - int i; - - /* handle the no-compression case */ - if (comp->input) - { - png_write_chunk_data(png_ptr, (png_bytep)comp->input, - (png_size_t)comp->input_len); - return; - } - - /* write saved output buffers, if any */ - for (i = 0; i < comp->num_output_ptr; i++) - { - png_write_chunk_data(png_ptr, (png_bytep)comp->output_ptr[i], - (png_size_t)png_ptr->zbuf_size); - png_free(png_ptr, comp->output_ptr[i]); - comp->output_ptr[i]=NULL; - } - if (comp->max_output_ptr != 0) - png_free(png_ptr, comp->output_ptr); - comp->output_ptr=NULL; - /* write anything left in zbuf */ - if (png_ptr->zstream.avail_out < (png_uint_32)png_ptr->zbuf_size) - png_write_chunk_data(png_ptr, png_ptr->zbuf, - (png_size_t)(png_ptr->zbuf_size - png_ptr->zstream.avail_out)); - - /* reset zlib for another zTXt/iTXt or image data */ - deflateReset(&png_ptr->zstream); - png_ptr->zstream.data_type = Z_BINARY; -} -#endif - -/* Write the IHDR chunk, and update the png_struct with the necessary - * information. Note that the rest of this code depends upon this - * information being correct. - */ -void /* PRIVATE */ -png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height, - int bit_depth, int color_type, int compression_type, int filter_type, - int interlace_type) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_IHDR; -#endif - int ret; - - png_byte buf[13]; /* buffer to store the IHDR info */ - - png_debug(1, "in png_write_IHDR"); - /* Check that we have valid input data from the application info */ - switch (color_type) - { - case PNG_COLOR_TYPE_GRAY: - switch (bit_depth) - { - case 1: - case 2: - case 4: - case 8: - case 16: png_ptr->channels = 1; break; - default: png_error(png_ptr, "Invalid bit depth for grayscale image"); - } - break; - case PNG_COLOR_TYPE_RGB: - if (bit_depth != 8 && bit_depth != 16) - png_error(png_ptr, "Invalid bit depth for RGB image"); - png_ptr->channels = 3; - break; - case PNG_COLOR_TYPE_PALETTE: - switch (bit_depth) - { - case 1: - case 2: - case 4: - case 8: png_ptr->channels = 1; break; - default: png_error(png_ptr, "Invalid bit depth for paletted image"); - } - break; - case PNG_COLOR_TYPE_GRAY_ALPHA: - if (bit_depth != 8 && bit_depth != 16) - png_error(png_ptr, "Invalid bit depth for grayscale+alpha image"); - png_ptr->channels = 2; - break; - case PNG_COLOR_TYPE_RGB_ALPHA: - if (bit_depth != 8 && bit_depth != 16) - png_error(png_ptr, "Invalid bit depth for RGBA image"); - png_ptr->channels = 4; - break; - default: - png_error(png_ptr, "Invalid image color type specified"); - } - - if (compression_type != PNG_COMPRESSION_TYPE_BASE) - { - png_warning(png_ptr, "Invalid compression type specified"); - compression_type = PNG_COMPRESSION_TYPE_BASE; - } - - /* Write filter_method 64 (intrapixel differencing) only if - * 1. Libpng was compiled with PNG_MNG_FEATURES_SUPPORTED and - * 2. Libpng did not write a PNG signature (this filter_method is only - * used in PNG datastreams that are embedded in MNG datastreams) and - * 3. The application called png_permit_mng_features with a mask that - * included PNG_FLAG_MNG_FILTER_64 and - * 4. The filter_method is 64 and - * 5. The color_type is RGB or RGBA - */ - if ( -#if defined(PNG_MNG_FEATURES_SUPPORTED) - !((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) && - ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) == 0) && - (color_type == PNG_COLOR_TYPE_RGB || - color_type == PNG_COLOR_TYPE_RGB_ALPHA) && - (filter_type == PNG_INTRAPIXEL_DIFFERENCING)) && -#endif - filter_type != PNG_FILTER_TYPE_BASE) - { - png_warning(png_ptr, "Invalid filter type specified"); - filter_type = PNG_FILTER_TYPE_BASE; - } - -#ifdef PNG_WRITE_INTERLACING_SUPPORTED - if (interlace_type != PNG_INTERLACE_NONE && - interlace_type != PNG_INTERLACE_ADAM7) - { - png_warning(png_ptr, "Invalid interlace type specified"); - interlace_type = PNG_INTERLACE_ADAM7; - } -#else - interlace_type=PNG_INTERLACE_NONE; -#endif - - /* save off the relevent information */ - png_ptr->bit_depth = (png_byte)bit_depth; - png_ptr->color_type = (png_byte)color_type; - png_ptr->interlaced = (png_byte)interlace_type; -#if defined(PNG_MNG_FEATURES_SUPPORTED) - png_ptr->filter_type = (png_byte)filter_type; -#endif - png_ptr->compression_type = (png_byte)compression_type; - png_ptr->width = width; - png_ptr->height = height; - - png_ptr->pixel_depth = (png_byte)(bit_depth * png_ptr->channels); - png_ptr->rowbytes = PNG_ROWBYTES(png_ptr->pixel_depth, width); - /* set the usr info, so any transformations can modify it */ - png_ptr->usr_width = png_ptr->width; - png_ptr->usr_bit_depth = png_ptr->bit_depth; - png_ptr->usr_channels = png_ptr->channels; - - /* pack the header information into the buffer */ - png_save_uint_32(buf, width); - png_save_uint_32(buf + 4, height); - buf[8] = (png_byte)bit_depth; - buf[9] = (png_byte)color_type; - buf[10] = (png_byte)compression_type; - buf[11] = (png_byte)filter_type; - buf[12] = (png_byte)interlace_type; - - /* write the chunk */ - png_write_chunk(png_ptr, (png_bytep)png_IHDR, buf, (png_size_t)13); - - /* initialize zlib with PNG info */ - png_ptr->zstream.zalloc = png_zalloc; - png_ptr->zstream.zfree = png_zfree; - png_ptr->zstream.opaque = (voidpf)png_ptr; - if (!(png_ptr->do_filter)) - { - if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE || - png_ptr->bit_depth < 8) - png_ptr->do_filter = PNG_FILTER_NONE; - else - png_ptr->do_filter = PNG_ALL_FILTERS; - } - if (!(png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_STRATEGY)) - { - if (png_ptr->do_filter != PNG_FILTER_NONE) - png_ptr->zlib_strategy = Z_FILTERED; - else - png_ptr->zlib_strategy = Z_DEFAULT_STRATEGY; - } - if (!(png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_LEVEL)) - png_ptr->zlib_level = Z_DEFAULT_COMPRESSION; - if (!(png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_MEM_LEVEL)) - png_ptr->zlib_mem_level = 8; - if (!(png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_WINDOW_BITS)) - png_ptr->zlib_window_bits = 15; - if (!(png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_METHOD)) - png_ptr->zlib_method = 8; - ret = deflateInit2(&png_ptr->zstream, png_ptr->zlib_level, - png_ptr->zlib_method, png_ptr->zlib_window_bits, - png_ptr->zlib_mem_level, png_ptr->zlib_strategy); - if (ret != Z_OK) - { - if (ret == Z_VERSION_ERROR) png_error(png_ptr, - "zlib failed to initialize compressor -- version error"); - if (ret == Z_STREAM_ERROR) png_error(png_ptr, - "zlib failed to initialize compressor -- stream error"); - if (ret == Z_MEM_ERROR) png_error(png_ptr, - "zlib failed to initialize compressor -- mem error"); - png_error(png_ptr, "zlib failed to initialize compressor"); - } - png_ptr->zstream.next_out = png_ptr->zbuf; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - /* libpng is not interested in zstream.data_type */ - /* set it to a predefined value, to avoid its evaluation inside zlib */ - png_ptr->zstream.data_type = Z_BINARY; - - png_ptr->mode = PNG_HAVE_IHDR; -} - -/* write the palette. We are careful not to trust png_color to be in the - * correct order for PNG, so people can redefine it to any convenient - * structure. - */ -void /* PRIVATE */ -png_write_PLTE(png_structp png_ptr, png_colorp palette, png_uint_32 num_pal) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_PLTE; -#endif - png_uint_32 i; - png_colorp pal_ptr; - png_byte buf[3]; - - png_debug(1, "in png_write_PLTE"); - if (( -#if defined(PNG_MNG_FEATURES_SUPPORTED) - !(png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE) && -#endif - num_pal == 0) || num_pal > 256) - { - if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - { - png_error(png_ptr, "Invalid number of colors in palette"); - } - else - { - png_warning(png_ptr, "Invalid number of colors in palette"); - return; - } - } - - if (!(png_ptr->color_type&PNG_COLOR_MASK_COLOR)) - { - png_warning(png_ptr, - "Ignoring request to write a PLTE chunk in grayscale PNG"); - return; - } - - png_ptr->num_palette = (png_uint_16)num_pal; - png_debug1(3, "num_palette = %d", png_ptr->num_palette); - - png_write_chunk_start(png_ptr, (png_bytep)png_PLTE, - (png_uint_32)(num_pal * 3)); -#ifndef PNG_NO_POINTER_INDEXING - for (i = 0, pal_ptr = palette; i < num_pal; i++, pal_ptr++) - { - buf[0] = pal_ptr->red; - buf[1] = pal_ptr->green; - buf[2] = pal_ptr->blue; - png_write_chunk_data(png_ptr, buf, (png_size_t)3); - } -#else - /* This is a little slower but some buggy compilers need to do this instead */ - pal_ptr=palette; - for (i = 0; i < num_pal; i++) - { - buf[0] = pal_ptr[i].red; - buf[1] = pal_ptr[i].green; - buf[2] = pal_ptr[i].blue; - png_write_chunk_data(png_ptr, buf, (png_size_t)3); - } -#endif - png_write_chunk_end(png_ptr); - png_ptr->mode |= PNG_HAVE_PLTE; -} - -/* write an IDAT chunk */ -void /* PRIVATE */ -png_write_IDAT(png_structp png_ptr, png_bytep data, png_size_t length) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_IDAT; -#endif - png_debug(1, "in png_write_IDAT"); - - /* Optimize the CMF field in the zlib stream. */ - /* This hack of the zlib stream is compliant to the stream specification. */ - if (!(png_ptr->mode & PNG_HAVE_IDAT) && - png_ptr->compression_type == PNG_COMPRESSION_TYPE_BASE) - { - unsigned int z_cmf = data[0]; /* zlib compression method and flags */ - if ((z_cmf & 0x0f) == 8 && (z_cmf & 0xf0) <= 0x70) - { - /* Avoid memory underflows and multiplication overflows. */ - /* The conditions below are practically always satisfied; - however, they still must be checked. */ - if (length >= 2 && - png_ptr->height < 16384 && png_ptr->width < 16384) - { - png_uint_32 uncompressed_idat_size = png_ptr->height * - ((png_ptr->width * - png_ptr->channels * png_ptr->bit_depth + 15) >> 3); - unsigned int z_cinfo = z_cmf >> 4; - unsigned int half_z_window_size = 1 << (z_cinfo + 7); - while (uncompressed_idat_size <= half_z_window_size && - half_z_window_size >= 256) - { - z_cinfo--; - half_z_window_size >>= 1; - } - z_cmf = (z_cmf & 0x0f) | (z_cinfo << 4); - if (data[0] != (png_byte)z_cmf) - { - data[0] = (png_byte)z_cmf; - data[1] &= 0xe0; - data[1] += (png_byte)(0x1f - ((z_cmf << 8) + data[1]) % 0x1f); - } - } - } - else - png_error(png_ptr, - "Invalid zlib compression method or flags in IDAT"); - } - - png_write_chunk(png_ptr, (png_bytep)png_IDAT, data, length); - png_ptr->mode |= PNG_HAVE_IDAT; -} - -/* write an IEND chunk */ -void /* PRIVATE */ -png_write_IEND(png_structp png_ptr) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_IEND; -#endif - png_debug(1, "in png_write_IEND"); - png_write_chunk(png_ptr, (png_bytep)png_IEND, png_bytep_NULL, - (png_size_t)0); - png_ptr->mode |= PNG_HAVE_IEND; -} - -#if defined(PNG_WRITE_gAMA_SUPPORTED) -/* write a gAMA chunk */ -#ifdef PNG_FLOATING_POINT_SUPPORTED -void /* PRIVATE */ -png_write_gAMA(png_structp png_ptr, double file_gamma) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_gAMA; -#endif - png_uint_32 igamma; - png_byte buf[4]; - - png_debug(1, "in png_write_gAMA"); - /* file_gamma is saved in 1/100,000ths */ - igamma = (png_uint_32)(file_gamma * 100000.0 + 0.5); - png_save_uint_32(buf, igamma); - png_write_chunk(png_ptr, (png_bytep)png_gAMA, buf, (png_size_t)4); -} -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED -void /* PRIVATE */ -png_write_gAMA_fixed(png_structp png_ptr, png_fixed_point file_gamma) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_gAMA; -#endif - png_byte buf[4]; - - png_debug(1, "in png_write_gAMA"); - /* file_gamma is saved in 1/100,000ths */ - png_save_uint_32(buf, (png_uint_32)file_gamma); - png_write_chunk(png_ptr, (png_bytep)png_gAMA, buf, (png_size_t)4); -} -#endif -#endif - -#if defined(PNG_WRITE_sRGB_SUPPORTED) -/* write a sRGB chunk */ -void /* PRIVATE */ -png_write_sRGB(png_structp png_ptr, int srgb_intent) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_sRGB; -#endif - png_byte buf[1]; - - png_debug(1, "in png_write_sRGB"); - if (srgb_intent >= PNG_sRGB_INTENT_LAST) - png_warning(png_ptr, - "Invalid sRGB rendering intent specified"); - buf[0]=(png_byte)srgb_intent; - png_write_chunk(png_ptr, (png_bytep)png_sRGB, buf, (png_size_t)1); -} -#endif - -#if defined(PNG_WRITE_iCCP_SUPPORTED) -/* write an iCCP chunk */ -void /* PRIVATE */ -png_write_iCCP(png_structp png_ptr, png_charp name, int compression_type, - png_charp profile, int profile_len) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_iCCP; -#endif - png_size_t name_len; - png_charp new_name; - compression_state comp; - int embedded_profile_len = 0; - - png_debug(1, "in png_write_iCCP"); - - comp.num_output_ptr = 0; - comp.max_output_ptr = 0; - comp.output_ptr = NULL; - comp.input = NULL; - comp.input_len = 0; - - if ((name_len = png_check_keyword(png_ptr, name, - &new_name)) == 0) - return; - - if (compression_type != PNG_COMPRESSION_TYPE_BASE) - png_warning(png_ptr, "Unknown compression type in iCCP chunk"); - - if (profile == NULL) - profile_len = 0; - - if (profile_len > 3) - embedded_profile_len = - ((*( (png_bytep)profile ))<<24) | - ((*( (png_bytep)profile + 1))<<16) | - ((*( (png_bytep)profile + 2))<< 8) | - ((*( (png_bytep)profile + 3)) ); - - if (profile_len < embedded_profile_len) - { - png_warning(png_ptr, - "Embedded profile length too large in iCCP chunk"); - return; - } - - if (profile_len > embedded_profile_len) - { - png_warning(png_ptr, - "Truncating profile to actual length in iCCP chunk"); - profile_len = embedded_profile_len; - } - - if (profile_len) - profile_len = png_text_compress(png_ptr, profile, - (png_size_t)profile_len, PNG_COMPRESSION_TYPE_BASE, &comp); - - /* make sure we include the NULL after the name and the compression type */ - png_write_chunk_start(png_ptr, (png_bytep)png_iCCP, - (png_uint_32)(name_len + profile_len + 2)); - new_name[name_len + 1] = 0x00; - png_write_chunk_data(png_ptr, (png_bytep)new_name, - (png_size_t)(name_len + 2)); - - if (profile_len) - png_write_compressed_data_out(png_ptr, &comp); - - png_write_chunk_end(png_ptr); - png_free(png_ptr, new_name); -} -#endif - -#if defined(PNG_WRITE_sPLT_SUPPORTED) -/* write a sPLT chunk */ -void /* PRIVATE */ -png_write_sPLT(png_structp png_ptr, png_sPLT_tp spalette) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_sPLT; -#endif - png_size_t name_len; - png_charp new_name; - png_byte entrybuf[10]; - int entry_size = (spalette->depth == 8 ? 6 : 10); - int palette_size = entry_size * spalette->nentries; - png_sPLT_entryp ep; -#ifdef PNG_NO_POINTER_INDEXING - int i; -#endif - - png_debug(1, "in png_write_sPLT"); - if ((name_len = png_check_keyword(png_ptr, - spalette->name, &new_name))==0) - return; - - /* make sure we include the NULL after the name */ - png_write_chunk_start(png_ptr, (png_bytep)png_sPLT, - (png_uint_32)(name_len + 2 + palette_size)); - png_write_chunk_data(png_ptr, (png_bytep)new_name, - (png_size_t)(name_len + 1)); - png_write_chunk_data(png_ptr, (png_bytep)&spalette->depth, (png_size_t)1); - - /* loop through each palette entry, writing appropriately */ -#ifndef PNG_NO_POINTER_INDEXING - for (ep = spalette->entries; epentries + spalette->nentries; ep++) - { - if (spalette->depth == 8) - { - entrybuf[0] = (png_byte)ep->red; - entrybuf[1] = (png_byte)ep->green; - entrybuf[2] = (png_byte)ep->blue; - entrybuf[3] = (png_byte)ep->alpha; - png_save_uint_16(entrybuf + 4, ep->frequency); - } - else - { - png_save_uint_16(entrybuf + 0, ep->red); - png_save_uint_16(entrybuf + 2, ep->green); - png_save_uint_16(entrybuf + 4, ep->blue); - png_save_uint_16(entrybuf + 6, ep->alpha); - png_save_uint_16(entrybuf + 8, ep->frequency); - } - png_write_chunk_data(png_ptr, entrybuf, (png_size_t)entry_size); - } -#else - ep=spalette->entries; - for (i=0; i>spalette->nentries; i++) - { - if (spalette->depth == 8) - { - entrybuf[0] = (png_byte)ep[i].red; - entrybuf[1] = (png_byte)ep[i].green; - entrybuf[2] = (png_byte)ep[i].blue; - entrybuf[3] = (png_byte)ep[i].alpha; - png_save_uint_16(entrybuf + 4, ep[i].frequency); - } - else - { - png_save_uint_16(entrybuf + 0, ep[i].red); - png_save_uint_16(entrybuf + 2, ep[i].green); - png_save_uint_16(entrybuf + 4, ep[i].blue); - png_save_uint_16(entrybuf + 6, ep[i].alpha); - png_save_uint_16(entrybuf + 8, ep[i].frequency); - } - png_write_chunk_data(png_ptr, entrybuf, (png_size_t)entry_size); - } -#endif - - png_write_chunk_end(png_ptr); - png_free(png_ptr, new_name); -} -#endif - -#if defined(PNG_WRITE_sBIT_SUPPORTED) -/* write the sBIT chunk */ -void /* PRIVATE */ -png_write_sBIT(png_structp png_ptr, png_color_8p sbit, int color_type) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_sBIT; -#endif - png_byte buf[4]; - png_size_t size; - - png_debug(1, "in png_write_sBIT"); - /* make sure we don't depend upon the order of PNG_COLOR_8 */ - if (color_type & PNG_COLOR_MASK_COLOR) - { - png_byte maxbits; - - maxbits = (png_byte)(color_type==PNG_COLOR_TYPE_PALETTE ? 8 : - png_ptr->usr_bit_depth); - if (sbit->red == 0 || sbit->red > maxbits || - sbit->green == 0 || sbit->green > maxbits || - sbit->blue == 0 || sbit->blue > maxbits) - { - png_warning(png_ptr, "Invalid sBIT depth specified"); - return; - } - buf[0] = sbit->red; - buf[1] = sbit->green; - buf[2] = sbit->blue; - size = 3; - } - else - { - if (sbit->gray == 0 || sbit->gray > png_ptr->usr_bit_depth) - { - png_warning(png_ptr, "Invalid sBIT depth specified"); - return; - } - buf[0] = sbit->gray; - size = 1; - } - - if (color_type & PNG_COLOR_MASK_ALPHA) - { - if (sbit->alpha == 0 || sbit->alpha > png_ptr->usr_bit_depth) - { - png_warning(png_ptr, "Invalid sBIT depth specified"); - return; - } - buf[size++] = sbit->alpha; - } - - png_write_chunk(png_ptr, (png_bytep)png_sBIT, buf, size); -} -#endif - -#if defined(PNG_WRITE_cHRM_SUPPORTED) -/* write the cHRM chunk */ -#ifdef PNG_FLOATING_POINT_SUPPORTED -void /* PRIVATE */ -png_write_cHRM(png_structp png_ptr, double white_x, double white_y, - double red_x, double red_y, double green_x, double green_y, - double blue_x, double blue_y) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_cHRM; -#endif - png_byte buf[32]; - - png_fixed_point int_white_x, int_white_y, int_red_x, int_red_y, - int_green_x, int_green_y, int_blue_x, int_blue_y; - - png_debug(1, "in png_write_cHRM"); - - int_white_x = (png_uint_32)(white_x * 100000.0 + 0.5); - int_white_y = (png_uint_32)(white_y * 100000.0 + 0.5); - int_red_x = (png_uint_32)(red_x * 100000.0 + 0.5); - int_red_y = (png_uint_32)(red_y * 100000.0 + 0.5); - int_green_x = (png_uint_32)(green_x * 100000.0 + 0.5); - int_green_y = (png_uint_32)(green_y * 100000.0 + 0.5); - int_blue_x = (png_uint_32)(blue_x * 100000.0 + 0.5); - int_blue_y = (png_uint_32)(blue_y * 100000.0 + 0.5); - -#if !defined(PNG_NO_CHECK_cHRM) - if (png_check_cHRM_fixed(png_ptr, int_white_x, int_white_y, - int_red_x, int_red_y, int_green_x, int_green_y, int_blue_x, int_blue_y)) -#endif - { - /* each value is saved in 1/100,000ths */ - - png_save_uint_32(buf, int_white_x); - png_save_uint_32(buf + 4, int_white_y); - - png_save_uint_32(buf + 8, int_red_x); - png_save_uint_32(buf + 12, int_red_y); - - png_save_uint_32(buf + 16, int_green_x); - png_save_uint_32(buf + 20, int_green_y); - - png_save_uint_32(buf + 24, int_blue_x); - png_save_uint_32(buf + 28, int_blue_y); - - png_write_chunk(png_ptr, (png_bytep)png_cHRM, buf, (png_size_t)32); - } -} -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED -void /* PRIVATE */ -png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x, - png_fixed_point white_y, png_fixed_point red_x, png_fixed_point red_y, - png_fixed_point green_x, png_fixed_point green_y, png_fixed_point blue_x, - png_fixed_point blue_y) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_cHRM; -#endif - png_byte buf[32]; - - png_debug(1, "in png_write_cHRM"); - /* each value is saved in 1/100,000ths */ -#if !defined(PNG_NO_CHECK_cHRM) - if (png_check_cHRM_fixed(png_ptr, white_x, white_y, red_x, red_y, - green_x, green_y, blue_x, blue_y)) -#endif - { - png_save_uint_32(buf, (png_uint_32)white_x); - png_save_uint_32(buf + 4, (png_uint_32)white_y); - - png_save_uint_32(buf + 8, (png_uint_32)red_x); - png_save_uint_32(buf + 12, (png_uint_32)red_y); - - png_save_uint_32(buf + 16, (png_uint_32)green_x); - png_save_uint_32(buf + 20, (png_uint_32)green_y); - - png_save_uint_32(buf + 24, (png_uint_32)blue_x); - png_save_uint_32(buf + 28, (png_uint_32)blue_y); - - png_write_chunk(png_ptr, (png_bytep)png_cHRM, buf, (png_size_t)32); - } -} -#endif -#endif - -#if defined(PNG_WRITE_tRNS_SUPPORTED) -/* write the tRNS chunk */ -void /* PRIVATE */ -png_write_tRNS(png_structp png_ptr, png_bytep trans, png_color_16p tran, - int num_trans, int color_type) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_tRNS; -#endif - png_byte buf[6]; - - png_debug(1, "in png_write_tRNS"); - if (color_type == PNG_COLOR_TYPE_PALETTE) - { - if (num_trans <= 0 || num_trans > (int)png_ptr->num_palette) - { - png_warning(png_ptr, "Invalid number of transparent colors specified"); - return; - } - /* write the chunk out as it is */ - png_write_chunk(png_ptr, (png_bytep)png_tRNS, trans, - (png_size_t)num_trans); - } - else if (color_type == PNG_COLOR_TYPE_GRAY) - { - /* one 16 bit value */ - if (tran->gray >= (1 << png_ptr->bit_depth)) - { - png_warning(png_ptr, - "Ignoring attempt to write tRNS chunk out-of-range for bit_depth"); - return; - } - png_save_uint_16(buf, tran->gray); - png_write_chunk(png_ptr, (png_bytep)png_tRNS, buf, (png_size_t)2); - } - else if (color_type == PNG_COLOR_TYPE_RGB) - { - /* three 16 bit values */ - png_save_uint_16(buf, tran->red); - png_save_uint_16(buf + 2, tran->green); - png_save_uint_16(buf + 4, tran->blue); - if (png_ptr->bit_depth == 8 && (buf[0] | buf[2] | buf[4])) - { - png_warning(png_ptr, - "Ignoring attempt to write 16-bit tRNS chunk when bit_depth is 8"); - return; - } - png_write_chunk(png_ptr, (png_bytep)png_tRNS, buf, (png_size_t)6); - } - else - { - png_warning(png_ptr, "Can't write tRNS with an alpha channel"); - } -} -#endif - -#if defined(PNG_WRITE_bKGD_SUPPORTED) -/* write the background chunk */ -void /* PRIVATE */ -png_write_bKGD(png_structp png_ptr, png_color_16p back, int color_type) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_bKGD; -#endif - png_byte buf[6]; - - png_debug(1, "in png_write_bKGD"); - if (color_type == PNG_COLOR_TYPE_PALETTE) - { - if ( -#if defined(PNG_MNG_FEATURES_SUPPORTED) - (png_ptr->num_palette || - (!(png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE))) && -#endif - back->index >= png_ptr->num_palette) - { - png_warning(png_ptr, "Invalid background palette index"); - return; - } - buf[0] = back->index; - png_write_chunk(png_ptr, (png_bytep)png_bKGD, buf, (png_size_t)1); - } - else if (color_type & PNG_COLOR_MASK_COLOR) - { - png_save_uint_16(buf, back->red); - png_save_uint_16(buf + 2, back->green); - png_save_uint_16(buf + 4, back->blue); - if (png_ptr->bit_depth == 8 && (buf[0] | buf[2] | buf[4])) - { - png_warning(png_ptr, - "Ignoring attempt to write 16-bit bKGD chunk when bit_depth is 8"); - return; - } - png_write_chunk(png_ptr, (png_bytep)png_bKGD, buf, (png_size_t)6); - } - else - { - if (back->gray >= (1 << png_ptr->bit_depth)) - { - png_warning(png_ptr, - "Ignoring attempt to write bKGD chunk out-of-range for bit_depth"); - return; - } - png_save_uint_16(buf, back->gray); - png_write_chunk(png_ptr, (png_bytep)png_bKGD, buf, (png_size_t)2); - } -} -#endif - -#if defined(PNG_WRITE_hIST_SUPPORTED) -/* write the histogram */ -void /* PRIVATE */ -png_write_hIST(png_structp png_ptr, png_uint_16p hist, int num_hist) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_hIST; -#endif - int i; - png_byte buf[3]; - - png_debug(1, "in png_write_hIST"); - if (num_hist > (int)png_ptr->num_palette) - { - png_debug2(3, "num_hist = %d, num_palette = %d", num_hist, - png_ptr->num_palette); - png_warning(png_ptr, "Invalid number of histogram entries specified"); - return; - } - - png_write_chunk_start(png_ptr, (png_bytep)png_hIST, - (png_uint_32)(num_hist * 2)); - for (i = 0; i < num_hist; i++) - { - png_save_uint_16(buf, hist[i]); - png_write_chunk_data(png_ptr, buf, (png_size_t)2); - } - png_write_chunk_end(png_ptr); -} -#endif - -#if defined(PNG_WRITE_TEXT_SUPPORTED) || defined(PNG_WRITE_pCAL_SUPPORTED) || \ - defined(PNG_WRITE_iCCP_SUPPORTED) || defined(PNG_WRITE_sPLT_SUPPORTED) -/* Check that the tEXt or zTXt keyword is valid per PNG 1.0 specification, - * and if invalid, correct the keyword rather than discarding the entire - * chunk. The PNG 1.0 specification requires keywords 1-79 characters in - * length, forbids leading or trailing whitespace, multiple internal spaces, - * and the non-break space (0x80) from ISO 8859-1. Returns keyword length. - * - * The new_key is allocated to hold the corrected keyword and must be freed - * by the calling routine. This avoids problems with trying to write to - * static keywords without having to have duplicate copies of the strings. - */ -png_size_t /* PRIVATE */ -png_check_keyword(png_structp png_ptr, png_charp key, png_charpp new_key) -{ - png_size_t key_len; - png_charp kp, dp; - int kflag; - int kwarn=0; - - png_debug(1, "in png_check_keyword"); - *new_key = NULL; - - if (key == NULL || (key_len = png_strlen(key)) == 0) - { - png_warning(png_ptr, "zero length keyword"); - return ((png_size_t)0); - } - - png_debug1(2, "Keyword to be checked is '%s'", key); - - *new_key = (png_charp)png_malloc_warn(png_ptr, (png_uint_32)(key_len + 2)); - if (*new_key == NULL) - { - png_warning(png_ptr, "Out of memory while procesing keyword"); - return ((png_size_t)0); - } - - /* Replace non-printing characters with a blank and print a warning */ - for (kp = key, dp = *new_key; *kp != '\0'; kp++, dp++) - { - if ((png_byte)*kp < 0x20 || - ((png_byte)*kp > 0x7E && (png_byte)*kp < 0xA1)) - { -#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE) - char msg[40]; - - png_snprintf(msg, 40, - "invalid keyword character 0x%02X", (png_byte)*kp); - png_warning(png_ptr, msg); -#else - png_warning(png_ptr, "invalid character in keyword"); -#endif - *dp = ' '; - } - else - { - *dp = *kp; - } - } - *dp = '\0'; - - /* Remove any trailing white space. */ - kp = *new_key + key_len - 1; - if (*kp == ' ') - { - png_warning(png_ptr, "trailing spaces removed from keyword"); - - while (*kp == ' ') - { - *(kp--) = '\0'; - key_len--; - } - } - - /* Remove any leading white space. */ - kp = *new_key; - if (*kp == ' ') - { - png_warning(png_ptr, "leading spaces removed from keyword"); - - while (*kp == ' ') - { - kp++; - key_len--; - } - } - - png_debug1(2, "Checking for multiple internal spaces in '%s'", kp); - - /* Remove multiple internal spaces. */ - for (kflag = 0, dp = *new_key; *kp != '\0'; kp++) - { - if (*kp == ' ' && kflag == 0) - { - *(dp++) = *kp; - kflag = 1; - } - else if (*kp == ' ') - { - key_len--; - kwarn=1; - } - else - { - *(dp++) = *kp; - kflag = 0; - } - } - *dp = '\0'; - if (kwarn) - png_warning(png_ptr, "extra interior spaces removed from keyword"); - - if (key_len == 0) - { - png_free(png_ptr, *new_key); - *new_key=NULL; - png_warning(png_ptr, "Zero length keyword"); - } - - if (key_len > 79) - { - png_warning(png_ptr, "keyword length must be 1 - 79 characters"); - (*new_key)[79] = '\0'; - key_len = 79; - } - - return (key_len); -} -#endif - -#if defined(PNG_WRITE_tEXt_SUPPORTED) -/* write a tEXt chunk */ -void /* PRIVATE */ -png_write_tEXt(png_structp png_ptr, png_charp key, png_charp text, - png_size_t text_len) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_tEXt; -#endif - png_size_t key_len; - png_charp new_key; - - png_debug(1, "in png_write_tEXt"); - if ((key_len = png_check_keyword(png_ptr, key, &new_key))==0) - return; - - if (text == NULL || *text == '\0') - text_len = 0; - else - text_len = png_strlen(text); - - /* make sure we include the 0 after the key */ - png_write_chunk_start(png_ptr, (png_bytep)png_tEXt, - (png_uint_32)(key_len + text_len + 1)); - /* - * We leave it to the application to meet PNG-1.0 requirements on the - * contents of the text. PNG-1.0 through PNG-1.2 discourage the use of - * any non-Latin-1 characters except for NEWLINE. ISO PNG will forbid them. - * The NUL character is forbidden by PNG-1.0 through PNG-1.2 and ISO PNG. - */ - png_write_chunk_data(png_ptr, (png_bytep)new_key, - (png_size_t)(key_len + 1)); - if (text_len) - png_write_chunk_data(png_ptr, (png_bytep)text, (png_size_t)text_len); - - png_write_chunk_end(png_ptr); - png_free(png_ptr, new_key); -} -#endif - -#if defined(PNG_WRITE_zTXt_SUPPORTED) -/* write a compressed text chunk */ -void /* PRIVATE */ -png_write_zTXt(png_structp png_ptr, png_charp key, png_charp text, - png_size_t text_len, int compression) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_zTXt; -#endif - png_size_t key_len; - char buf[1]; - png_charp new_key; - compression_state comp; - - png_debug(1, "in png_write_zTXt"); - - comp.num_output_ptr = 0; - comp.max_output_ptr = 0; - comp.output_ptr = NULL; - comp.input = NULL; - comp.input_len = 0; - - if ((key_len = png_check_keyword(png_ptr, key, &new_key))==0) - { - png_free(png_ptr, new_key); - return; - } - - if (text == NULL || *text == '\0' || compression==PNG_TEXT_COMPRESSION_NONE) - { - png_write_tEXt(png_ptr, new_key, text, (png_size_t)0); - png_free(png_ptr, new_key); - return; - } - - text_len = png_strlen(text); - - /* compute the compressed data; do it now for the length */ - text_len = png_text_compress(png_ptr, text, text_len, compression, - &comp); - - /* write start of chunk */ - png_write_chunk_start(png_ptr, (png_bytep)png_zTXt, - (png_uint_32)(key_len+text_len + 2)); - /* write key */ - png_write_chunk_data(png_ptr, (png_bytep)new_key, - (png_size_t)(key_len + 1)); - png_free(png_ptr, new_key); - - buf[0] = (png_byte)compression; - /* write compression */ - png_write_chunk_data(png_ptr, (png_bytep)buf, (png_size_t)1); - /* write the compressed data */ - png_write_compressed_data_out(png_ptr, &comp); - - /* close the chunk */ - png_write_chunk_end(png_ptr); -} -#endif - -#if defined(PNG_WRITE_iTXt_SUPPORTED) -/* write an iTXt chunk */ -void /* PRIVATE */ -png_write_iTXt(png_structp png_ptr, int compression, png_charp key, - png_charp lang, png_charp lang_key, png_charp text) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_iTXt; -#endif - png_size_t lang_len, key_len, lang_key_len, text_len; - png_charp new_lang; - png_charp new_key = NULL; - png_byte cbuf[2]; - compression_state comp; - - png_debug(1, "in png_write_iTXt"); - - comp.num_output_ptr = 0; - comp.max_output_ptr = 0; - comp.output_ptr = NULL; - comp.input = NULL; - - if ((key_len = png_check_keyword(png_ptr, key, &new_key))==0) - return; - - if ((lang_len = png_check_keyword(png_ptr, lang, &new_lang))==0) - { - png_warning(png_ptr, "Empty language field in iTXt chunk"); - new_lang = NULL; - lang_len = 0; - } - - if (lang_key == NULL) - lang_key_len = 0; - else - lang_key_len = png_strlen(lang_key); - - if (text == NULL) - text_len = 0; - else - text_len = png_strlen(text); - - /* compute the compressed data; do it now for the length */ - text_len = png_text_compress(png_ptr, text, text_len, compression-2, - &comp); - - - /* make sure we include the compression flag, the compression byte, - * and the NULs after the key, lang, and lang_key parts */ - - png_write_chunk_start(png_ptr, (png_bytep)png_iTXt, - (png_uint_32)( - 5 /* comp byte, comp flag, terminators for key, lang and lang_key */ - + key_len - + lang_len - + lang_key_len - + text_len)); - - /* - * We leave it to the application to meet PNG-1.0 requirements on the - * contents of the text. PNG-1.0 through PNG-1.2 discourage the use of - * any non-Latin-1 characters except for NEWLINE. ISO PNG will forbid them. - * The NUL character is forbidden by PNG-1.0 through PNG-1.2 and ISO PNG. - */ - png_write_chunk_data(png_ptr, (png_bytep)new_key, - (png_size_t)(key_len + 1)); - - /* set the compression flag */ - if (compression == PNG_ITXT_COMPRESSION_NONE || \ - compression == PNG_TEXT_COMPRESSION_NONE) - cbuf[0] = 0; - else /* compression == PNG_ITXT_COMPRESSION_zTXt */ - cbuf[0] = 1; - /* set the compression method */ - cbuf[1] = 0; - png_write_chunk_data(png_ptr, cbuf, (png_size_t)2); - - cbuf[0] = 0; - png_write_chunk_data(png_ptr, (new_lang ? (png_bytep)new_lang : cbuf), - (png_size_t)(lang_len + 1)); - png_write_chunk_data(png_ptr, (lang_key ? (png_bytep)lang_key : cbuf), - (png_size_t)(lang_key_len + 1)); - png_write_compressed_data_out(png_ptr, &comp); - - png_write_chunk_end(png_ptr); - png_free(png_ptr, new_key); - png_free(png_ptr, new_lang); -} -#endif - -#if defined(PNG_WRITE_oFFs_SUPPORTED) -/* write the oFFs chunk */ -void /* PRIVATE */ -png_write_oFFs(png_structp png_ptr, png_int_32 x_offset, png_int_32 y_offset, - int unit_type) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_oFFs; -#endif - png_byte buf[9]; - - png_debug(1, "in png_write_oFFs"); - if (unit_type >= PNG_OFFSET_LAST) - png_warning(png_ptr, "Unrecognized unit type for oFFs chunk"); - - png_save_int_32(buf, x_offset); - png_save_int_32(buf + 4, y_offset); - buf[8] = (png_byte)unit_type; - - png_write_chunk(png_ptr, (png_bytep)png_oFFs, buf, (png_size_t)9); -} -#endif -#if defined(PNG_WRITE_pCAL_SUPPORTED) -/* write the pCAL chunk (described in the PNG extensions document) */ -void /* PRIVATE */ -png_write_pCAL(png_structp png_ptr, png_charp purpose, png_int_32 X0, - png_int_32 X1, int type, int nparams, png_charp units, png_charpp params) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_pCAL; -#endif - png_size_t purpose_len, units_len, total_len; - png_uint_32p params_len; - png_byte buf[10]; - png_charp new_purpose; - int i; - - png_debug1(1, "in png_write_pCAL (%d parameters)", nparams); - if (type >= PNG_EQUATION_LAST) - png_warning(png_ptr, "Unrecognized equation type for pCAL chunk"); - - purpose_len = png_check_keyword(png_ptr, purpose, &new_purpose) + 1; - png_debug1(3, "pCAL purpose length = %d", (int)purpose_len); - units_len = png_strlen(units) + (nparams == 0 ? 0 : 1); - png_debug1(3, "pCAL units length = %d", (int)units_len); - total_len = purpose_len + units_len + 10; - - params_len = (png_uint_32p)png_malloc(png_ptr, - (png_uint_32)(nparams * png_sizeof(png_uint_32))); - - /* Find the length of each parameter, making sure we don't count the - null terminator for the last parameter. */ - for (i = 0; i < nparams; i++) - { - params_len[i] = png_strlen(params[i]) + (i == nparams - 1 ? 0 : 1); - png_debug2(3, "pCAL parameter %d length = %lu", i, - (unsigned long) params_len[i]); - total_len += (png_size_t)params_len[i]; - } - - png_debug1(3, "pCAL total length = %d", (int)total_len); - png_write_chunk_start(png_ptr, (png_bytep)png_pCAL, (png_uint_32)total_len); - png_write_chunk_data(png_ptr, (png_bytep)new_purpose, - (png_size_t)purpose_len); - png_save_int_32(buf, X0); - png_save_int_32(buf + 4, X1); - buf[8] = (png_byte)type; - buf[9] = (png_byte)nparams; - png_write_chunk_data(png_ptr, buf, (png_size_t)10); - png_write_chunk_data(png_ptr, (png_bytep)units, (png_size_t)units_len); - - png_free(png_ptr, new_purpose); - - for (i = 0; i < nparams; i++) - { - png_write_chunk_data(png_ptr, (png_bytep)params[i], - (png_size_t)params_len[i]); - } - - png_free(png_ptr, params_len); - png_write_chunk_end(png_ptr); -} -#endif - -#if defined(PNG_WRITE_sCAL_SUPPORTED) -/* write the sCAL chunk */ -#if defined(PNG_FLOATING_POINT_SUPPORTED) && !defined(PNG_NO_STDIO) -void /* PRIVATE */ -png_write_sCAL(png_structp png_ptr, int unit, double width, double height) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_sCAL; -#endif - char buf[64]; - png_size_t total_len; - - png_debug(1, "in png_write_sCAL"); - - buf[0] = (char)unit; -#if defined(_WIN32_WCE) -/* sprintf() function is not supported on WindowsCE */ - { - wchar_t wc_buf[32]; - size_t wc_len; - swprintf(wc_buf, TEXT("%12.12e"), width); - wc_len = wcslen(wc_buf); - WideCharToMultiByte(CP_ACP, 0, wc_buf, -1, buf + 1, wc_len, NULL, NULL); - total_len = wc_len + 2; - swprintf(wc_buf, TEXT("%12.12e"), height); - wc_len = wcslen(wc_buf); - WideCharToMultiByte(CP_ACP, 0, wc_buf, -1, buf + total_len, wc_len, - NULL, NULL); - total_len += wc_len; - } -#else - png_snprintf(buf + 1, 63, "%12.12e", width); - total_len = 1 + png_strlen(buf + 1) + 1; - png_snprintf(buf + total_len, 64-total_len, "%12.12e", height); - total_len += png_strlen(buf + total_len); -#endif - - png_debug1(3, "sCAL total length = %u", (unsigned int)total_len); - png_write_chunk(png_ptr, (png_bytep)png_sCAL, (png_bytep)buf, total_len); -} -#else -#ifdef PNG_FIXED_POINT_SUPPORTED -void /* PRIVATE */ -png_write_sCAL_s(png_structp png_ptr, int unit, png_charp width, - png_charp height) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_sCAL; -#endif - png_byte buf[64]; - png_size_t wlen, hlen, total_len; - - png_debug(1, "in png_write_sCAL_s"); - - wlen = png_strlen(width); - hlen = png_strlen(height); - total_len = wlen + hlen + 2; - if (total_len > 64) - { - png_warning(png_ptr, "Can't write sCAL (buffer too small)"); - return; - } - - buf[0] = (png_byte)unit; - png_memcpy(buf + 1, width, wlen + 1); /* append the '\0' here */ - png_memcpy(buf + wlen + 2, height, hlen); /* do NOT append the '\0' here */ - - png_debug1(3, "sCAL total length = %u", (unsigned int)total_len); - png_write_chunk(png_ptr, (png_bytep)png_sCAL, buf, total_len); -} -#endif -#endif -#endif - -#if defined(PNG_WRITE_pHYs_SUPPORTED) -/* write the pHYs chunk */ -void /* PRIVATE */ -png_write_pHYs(png_structp png_ptr, png_uint_32 x_pixels_per_unit, - png_uint_32 y_pixels_per_unit, - int unit_type) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_pHYs; -#endif - png_byte buf[9]; - - png_debug(1, "in png_write_pHYs"); - if (unit_type >= PNG_RESOLUTION_LAST) - png_warning(png_ptr, "Unrecognized unit type for pHYs chunk"); - - png_save_uint_32(buf, x_pixels_per_unit); - png_save_uint_32(buf + 4, y_pixels_per_unit); - buf[8] = (png_byte)unit_type; - - png_write_chunk(png_ptr, (png_bytep)png_pHYs, buf, (png_size_t)9); -} -#endif - -#if defined(PNG_WRITE_tIME_SUPPORTED) -/* Write the tIME chunk. Use either png_convert_from_struct_tm() - * or png_convert_from_time_t(), or fill in the structure yourself. - */ -void /* PRIVATE */ -png_write_tIME(png_structp png_ptr, png_timep mod_time) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_tIME; -#endif - png_byte buf[7]; - - png_debug(1, "in png_write_tIME"); - if (mod_time->month > 12 || mod_time->month < 1 || - mod_time->day > 31 || mod_time->day < 1 || - mod_time->hour > 23 || mod_time->second > 60) - { - png_warning(png_ptr, "Invalid time specified for tIME chunk"); - return; - } - - png_save_uint_16(buf, mod_time->year); - buf[2] = mod_time->month; - buf[3] = mod_time->day; - buf[4] = mod_time->hour; - buf[5] = mod_time->minute; - buf[6] = mod_time->second; - - png_write_chunk(png_ptr, (png_bytep)png_tIME, buf, (png_size_t)7); -} -#endif - -/* initializes the row writing capability of libpng */ -void /* PRIVATE */ -png_write_start_row(png_structp png_ptr) -{ -#ifdef PNG_WRITE_INTERLACING_SUPPORTED -#ifdef PNG_USE_LOCAL_ARRAYS - /* arrays to facilitate easy interlacing - use pass (0 - 6) as index */ - - /* start of interlace block */ - int png_pass_start[7] = {0, 4, 0, 2, 0, 1, 0}; - - /* offset to next interlace block */ - int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1}; - - /* start of interlace block in the y direction */ - int png_pass_ystart[7] = {0, 0, 4, 0, 2, 0, 1}; - - /* offset to next interlace block in the y direction */ - int png_pass_yinc[7] = {8, 8, 8, 4, 4, 2, 2}; -#endif -#endif - - png_size_t buf_size; - - png_debug(1, "in png_write_start_row"); - buf_size = (png_size_t)(PNG_ROWBYTES( - png_ptr->usr_channels*png_ptr->usr_bit_depth, png_ptr->width) + 1); - - /* set up row buffer */ - png_ptr->row_buf = (png_bytep)png_malloc(png_ptr, - (png_uint_32)buf_size); - png_ptr->row_buf[0] = PNG_FILTER_VALUE_NONE; - -#ifndef PNG_NO_WRITE_FILTER - /* set up filtering buffer, if using this filter */ - if (png_ptr->do_filter & PNG_FILTER_SUB) - { - png_ptr->sub_row = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(png_ptr->rowbytes + 1)); - png_ptr->sub_row[0] = PNG_FILTER_VALUE_SUB; - } - - /* We only need to keep the previous row if we are using one of these. */ - if (png_ptr->do_filter & (PNG_FILTER_AVG | PNG_FILTER_UP | PNG_FILTER_PAETH)) - { - /* set up previous row buffer */ - png_ptr->prev_row = (png_bytep)png_malloc(png_ptr, - (png_uint_32)buf_size); - png_memset(png_ptr->prev_row, 0, buf_size); - - if (png_ptr->do_filter & PNG_FILTER_UP) - { - png_ptr->up_row = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(png_ptr->rowbytes + 1)); - png_ptr->up_row[0] = PNG_FILTER_VALUE_UP; - } - - if (png_ptr->do_filter & PNG_FILTER_AVG) - { - png_ptr->avg_row = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(png_ptr->rowbytes + 1)); - png_ptr->avg_row[0] = PNG_FILTER_VALUE_AVG; - } - - if (png_ptr->do_filter & PNG_FILTER_PAETH) - { - png_ptr->paeth_row = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(png_ptr->rowbytes + 1)); - png_ptr->paeth_row[0] = PNG_FILTER_VALUE_PAETH; - } - } -#endif /* PNG_NO_WRITE_FILTER */ - -#ifdef PNG_WRITE_INTERLACING_SUPPORTED - /* if interlaced, we need to set up width and height of pass */ - if (png_ptr->interlaced) - { - if (!(png_ptr->transformations & PNG_INTERLACE)) - { - png_ptr->num_rows = (png_ptr->height + png_pass_yinc[0] - 1 - - png_pass_ystart[0]) / png_pass_yinc[0]; - png_ptr->usr_width = (png_ptr->width + png_pass_inc[0] - 1 - - png_pass_start[0]) / png_pass_inc[0]; - } - else - { - png_ptr->num_rows = png_ptr->height; - png_ptr->usr_width = png_ptr->width; - } - } - else -#endif - { - png_ptr->num_rows = png_ptr->height; - png_ptr->usr_width = png_ptr->width; - } - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - png_ptr->zstream.next_out = png_ptr->zbuf; -} - -/* Internal use only. Called when finished processing a row of data. */ -void /* PRIVATE */ -png_write_finish_row(png_structp png_ptr) -{ -#ifdef PNG_WRITE_INTERLACING_SUPPORTED -#ifdef PNG_USE_LOCAL_ARRAYS - /* arrays to facilitate easy interlacing - use pass (0 - 6) as index */ - - /* start of interlace block */ - int png_pass_start[7] = {0, 4, 0, 2, 0, 1, 0}; - - /* offset to next interlace block */ - int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1}; - - /* start of interlace block in the y direction */ - int png_pass_ystart[7] = {0, 0, 4, 0, 2, 0, 1}; - - /* offset to next interlace block in the y direction */ - int png_pass_yinc[7] = {8, 8, 8, 4, 4, 2, 2}; -#endif -#endif - - int ret; - - png_debug(1, "in png_write_finish_row"); - /* next row */ - png_ptr->row_number++; - - /* see if we are done */ - if (png_ptr->row_number < png_ptr->num_rows) - return; - -#ifdef PNG_WRITE_INTERLACING_SUPPORTED - /* if interlaced, go to next pass */ - if (png_ptr->interlaced) - { - png_ptr->row_number = 0; - if (png_ptr->transformations & PNG_INTERLACE) - { - png_ptr->pass++; - } - else - { - /* loop until we find a non-zero width or height pass */ - do - { - png_ptr->pass++; - if (png_ptr->pass >= 7) - break; - png_ptr->usr_width = (png_ptr->width + - png_pass_inc[png_ptr->pass] - 1 - - png_pass_start[png_ptr->pass]) / - png_pass_inc[png_ptr->pass]; - png_ptr->num_rows = (png_ptr->height + - png_pass_yinc[png_ptr->pass] - 1 - - png_pass_ystart[png_ptr->pass]) / - png_pass_yinc[png_ptr->pass]; - if (png_ptr->transformations & PNG_INTERLACE) - break; - } while (png_ptr->usr_width == 0 || png_ptr->num_rows == 0); - - } - - /* reset the row above the image for the next pass */ - if (png_ptr->pass < 7) - { - if (png_ptr->prev_row != NULL) - png_memset(png_ptr->prev_row, 0, - (png_size_t)(PNG_ROWBYTES(png_ptr->usr_channels* - png_ptr->usr_bit_depth, png_ptr->width)) + 1); - return; - } - } -#endif - - /* if we get here, we've just written the last row, so we need - to flush the compressor */ - do - { - /* tell the compressor we are done */ - ret = deflate(&png_ptr->zstream, Z_FINISH); - /* check for an error */ - if (ret == Z_OK) - { - /* check to see if we need more room */ - if (!(png_ptr->zstream.avail_out)) - { - png_write_IDAT(png_ptr, png_ptr->zbuf, png_ptr->zbuf_size); - png_ptr->zstream.next_out = png_ptr->zbuf; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - } - } - else if (ret != Z_STREAM_END) - { - if (png_ptr->zstream.msg != NULL) - png_error(png_ptr, png_ptr->zstream.msg); - else - png_error(png_ptr, "zlib error"); - } - } while (ret != Z_STREAM_END); - - /* write any extra space */ - if (png_ptr->zstream.avail_out < png_ptr->zbuf_size) - { - png_write_IDAT(png_ptr, png_ptr->zbuf, png_ptr->zbuf_size - - png_ptr->zstream.avail_out); - } - - deflateReset(&png_ptr->zstream); - png_ptr->zstream.data_type = Z_BINARY; -} - -#if defined(PNG_WRITE_INTERLACING_SUPPORTED) -/* Pick out the correct pixels for the interlace pass. - * The basic idea here is to go through the row with a source - * pointer and a destination pointer (sp and dp), and copy the - * correct pixels for the pass. As the row gets compacted, - * sp will always be >= dp, so we should never overwrite anything. - * See the default: case for the easiest code to understand. - */ -void /* PRIVATE */ -png_do_write_interlace(png_row_infop row_info, png_bytep row, int pass) -{ -#ifdef PNG_USE_LOCAL_ARRAYS - /* arrays to facilitate easy interlacing - use pass (0 - 6) as index */ - - /* start of interlace block */ - int png_pass_start[7] = {0, 4, 0, 2, 0, 1, 0}; - - /* offset to next interlace block */ - int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1}; -#endif - - png_debug(1, "in png_do_write_interlace"); - /* we don't have to do anything on the last pass (6) */ -#if defined(PNG_USELESS_TESTS_SUPPORTED) - if (row != NULL && row_info != NULL && pass < 6) -#else - if (pass < 6) -#endif - { - /* each pixel depth is handled separately */ - switch (row_info->pixel_depth) - { - case 1: - { - png_bytep sp; - png_bytep dp; - int shift; - int d; - int value; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - - dp = row; - d = 0; - shift = 7; - for (i = png_pass_start[pass]; i < row_width; - i += png_pass_inc[pass]) - { - sp = row + (png_size_t)(i >> 3); - value = (int)(*sp >> (7 - (int)(i & 0x07))) & 0x01; - d |= (value << shift); - - if (shift == 0) - { - shift = 7; - *dp++ = (png_byte)d; - d = 0; - } - else - shift--; - - } - if (shift != 7) - *dp = (png_byte)d; - break; - } - case 2: - { - png_bytep sp; - png_bytep dp; - int shift; - int d; - int value; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - - dp = row; - shift = 6; - d = 0; - for (i = png_pass_start[pass]; i < row_width; - i += png_pass_inc[pass]) - { - sp = row + (png_size_t)(i >> 2); - value = (*sp >> ((3 - (int)(i & 0x03)) << 1)) & 0x03; - d |= (value << shift); - - if (shift == 0) - { - shift = 6; - *dp++ = (png_byte)d; - d = 0; - } - else - shift -= 2; - } - if (shift != 6) - *dp = (png_byte)d; - break; - } - case 4: - { - png_bytep sp; - png_bytep dp; - int shift; - int d; - int value; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - - dp = row; - shift = 4; - d = 0; - for (i = png_pass_start[pass]; i < row_width; - i += png_pass_inc[pass]) - { - sp = row + (png_size_t)(i >> 1); - value = (*sp >> ((1 - (int)(i & 0x01)) << 2)) & 0x0f; - d |= (value << shift); - - if (shift == 0) - { - shift = 4; - *dp++ = (png_byte)d; - d = 0; - } - else - shift -= 4; - } - if (shift != 4) - *dp = (png_byte)d; - break; - } - default: - { - png_bytep sp; - png_bytep dp; - png_uint_32 i; - png_uint_32 row_width = row_info->width; - png_size_t pixel_bytes; - - /* start at the beginning */ - dp = row; - /* find out how many bytes each pixel takes up */ - pixel_bytes = (row_info->pixel_depth >> 3); - /* loop through the row, only looking at the pixels that - matter */ - for (i = png_pass_start[pass]; i < row_width; - i += png_pass_inc[pass]) - { - /* find out where the original pixel is */ - sp = row + (png_size_t)i * pixel_bytes; - /* move the pixel */ - if (dp != sp) - png_memcpy(dp, sp, pixel_bytes); - /* next pixel */ - dp += pixel_bytes; - } - break; - } - } - /* set new row width */ - row_info->width = (row_info->width + - png_pass_inc[pass] - 1 - - png_pass_start[pass]) / - png_pass_inc[pass]; - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, - row_info->width); - } -} -#endif - -/* This filters the row, chooses which filter to use, if it has not already - * been specified by the application, and then writes the row out with the - * chosen filter. - */ -#define PNG_MAXSUM (((png_uint_32)(-1)) >> 1) -#define PNG_HISHIFT 10 -#define PNG_LOMASK ((png_uint_32)0xffffL) -#define PNG_HIMASK ((png_uint_32)(~PNG_LOMASK >> PNG_HISHIFT)) -void /* PRIVATE */ -png_write_find_filter(png_structp png_ptr, png_row_infop row_info) -{ - png_bytep best_row; -#ifndef PNG_NO_WRITE_FILTER - png_bytep prev_row, row_buf; - png_uint_32 mins, bpp; - png_byte filter_to_do = png_ptr->do_filter; - png_uint_32 row_bytes = row_info->rowbytes; -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - int num_p_filters = (int)png_ptr->num_prev_filters; -#endif - - png_debug(1, "in png_write_find_filter"); - /* find out how many bytes offset each pixel is */ - bpp = (row_info->pixel_depth + 7) >> 3; - - prev_row = png_ptr->prev_row; -#endif - best_row = png_ptr->row_buf; -#ifndef PNG_NO_WRITE_FILTER - row_buf = best_row; - mins = PNG_MAXSUM; - - /* The prediction method we use is to find which method provides the - * smallest value when summing the absolute values of the distances - * from zero, using anything >= 128 as negative numbers. This is known - * as the "minimum sum of absolute differences" heuristic. Other - * heuristics are the "weighted minimum sum of absolute differences" - * (experimental and can in theory improve compression), and the "zlib - * predictive" method (not implemented yet), which does test compressions - * of lines using different filter methods, and then chooses the - * (series of) filter(s) that give minimum compressed data size (VERY - * computationally expensive). - * - * GRR 980525: consider also - * (1) minimum sum of absolute differences from running average (i.e., - * keep running sum of non-absolute differences & count of bytes) - * [track dispersion, too? restart average if dispersion too large?] - * (1b) minimum sum of absolute differences from sliding average, probably - * with window size <= deflate window (usually 32K) - * (2) minimum sum of squared differences from zero or running average - * (i.e., ~ root-mean-square approach) - */ - - - /* We don't need to test the 'no filter' case if this is the only filter - * that has been chosen, as it doesn't actually do anything to the data. - */ - if ((filter_to_do & PNG_FILTER_NONE) && - filter_to_do != PNG_FILTER_NONE) - { - png_bytep rp; - png_uint_32 sum = 0; - png_uint_32 i; - int v; - - for (i = 0, rp = row_buf + 1; i < row_bytes; i++, rp++) - { - v = *rp; - sum += (v < 128) ? v : 256 - v; - } - -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) - { - png_uint_32 sumhi, sumlo; - int j; - sumlo = sum & PNG_LOMASK; - sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK; /* Gives us some footroom */ - - /* Reduce the sum if we match any of the previous rows */ - for (j = 0; j < num_p_filters; j++) - { - if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_NONE) - { - sumlo = (sumlo * png_ptr->filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - sumhi = (sumhi * png_ptr->filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - } - } - - /* Factor in the cost of this filter (this is here for completeness, - * but it makes no sense to have a "cost" for the NONE filter, as - * it has the minimum possible computational cost - none). - */ - sumlo = (sumlo * png_ptr->filter_costs[PNG_FILTER_VALUE_NONE]) >> - PNG_COST_SHIFT; - sumhi = (sumhi * png_ptr->filter_costs[PNG_FILTER_VALUE_NONE]) >> - PNG_COST_SHIFT; - - if (sumhi > PNG_HIMASK) - sum = PNG_MAXSUM; - else - sum = (sumhi << PNG_HISHIFT) + sumlo; - } -#endif - mins = sum; - } - - /* sub filter */ - if (filter_to_do == PNG_FILTER_SUB) - /* it's the only filter so no testing is needed */ - { - png_bytep rp, lp, dp; - png_uint_32 i; - for (i = 0, rp = row_buf + 1, dp = png_ptr->sub_row + 1; i < bpp; - i++, rp++, dp++) - { - *dp = *rp; - } - for (lp = row_buf + 1; i < row_bytes; - i++, rp++, lp++, dp++) - { - *dp = (png_byte)(((int)*rp - (int)*lp) & 0xff); - } - best_row = png_ptr->sub_row; - } - - else if (filter_to_do & PNG_FILTER_SUB) - { - png_bytep rp, dp, lp; - png_uint_32 sum = 0, lmins = mins; - png_uint_32 i; - int v; - -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - /* We temporarily increase the "minimum sum" by the factor we - * would reduce the sum of this filter, so that we can do the - * early exit comparison without scaling the sum each time. - */ - if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) - { - int j; - png_uint_32 lmhi, lmlo; - lmlo = lmins & PNG_LOMASK; - lmhi = (lmins >> PNG_HISHIFT) & PNG_HIMASK; - - for (j = 0; j < num_p_filters; j++) - { - if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_SUB) - { - lmlo = (lmlo * png_ptr->inv_filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - lmhi = (lmhi * png_ptr->inv_filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - } - } - - lmlo = (lmlo * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_SUB]) >> - PNG_COST_SHIFT; - lmhi = (lmhi * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_SUB]) >> - PNG_COST_SHIFT; - - if (lmhi > PNG_HIMASK) - lmins = PNG_MAXSUM; - else - lmins = (lmhi << PNG_HISHIFT) + lmlo; - } -#endif - - for (i = 0, rp = row_buf + 1, dp = png_ptr->sub_row + 1; i < bpp; - i++, rp++, dp++) - { - v = *dp = *rp; - - sum += (v < 128) ? v : 256 - v; - } - for (lp = row_buf + 1; i < row_bytes; - i++, rp++, lp++, dp++) - { - v = *dp = (png_byte)(((int)*rp - (int)*lp) & 0xff); - - sum += (v < 128) ? v : 256 - v; - - if (sum > lmins) /* We are already worse, don't continue. */ - break; - } - -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) - { - int j; - png_uint_32 sumhi, sumlo; - sumlo = sum & PNG_LOMASK; - sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK; - - for (j = 0; j < num_p_filters; j++) - { - if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_SUB) - { - sumlo = (sumlo * png_ptr->inv_filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - sumhi = (sumhi * png_ptr->inv_filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - } - } - - sumlo = (sumlo * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_SUB]) >> - PNG_COST_SHIFT; - sumhi = (sumhi * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_SUB]) >> - PNG_COST_SHIFT; - - if (sumhi > PNG_HIMASK) - sum = PNG_MAXSUM; - else - sum = (sumhi << PNG_HISHIFT) + sumlo; - } -#endif - - if (sum < mins) - { - mins = sum; - best_row = png_ptr->sub_row; - } - } - - /* up filter */ - if (filter_to_do == PNG_FILTER_UP) - { - png_bytep rp, dp, pp; - png_uint_32 i; - - for (i = 0, rp = row_buf + 1, dp = png_ptr->up_row + 1, - pp = prev_row + 1; i < row_bytes; - i++, rp++, pp++, dp++) - { - *dp = (png_byte)(((int)*rp - (int)*pp) & 0xff); - } - best_row = png_ptr->up_row; - } - - else if (filter_to_do & PNG_FILTER_UP) - { - png_bytep rp, dp, pp; - png_uint_32 sum = 0, lmins = mins; - png_uint_32 i; - int v; - - -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) - { - int j; - png_uint_32 lmhi, lmlo; - lmlo = lmins & PNG_LOMASK; - lmhi = (lmins >> PNG_HISHIFT) & PNG_HIMASK; - - for (j = 0; j < num_p_filters; j++) - { - if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_UP) - { - lmlo = (lmlo * png_ptr->inv_filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - lmhi = (lmhi * png_ptr->inv_filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - } - } - - lmlo = (lmlo * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_UP]) >> - PNG_COST_SHIFT; - lmhi = (lmhi * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_UP]) >> - PNG_COST_SHIFT; - - if (lmhi > PNG_HIMASK) - lmins = PNG_MAXSUM; - else - lmins = (lmhi << PNG_HISHIFT) + lmlo; - } -#endif - - for (i = 0, rp = row_buf + 1, dp = png_ptr->up_row + 1, - pp = prev_row + 1; i < row_bytes; i++) - { - v = *dp++ = (png_byte)(((int)*rp++ - (int)*pp++) & 0xff); - - sum += (v < 128) ? v : 256 - v; - - if (sum > lmins) /* We are already worse, don't continue. */ - break; - } - -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) - { - int j; - png_uint_32 sumhi, sumlo; - sumlo = sum & PNG_LOMASK; - sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK; - - for (j = 0; j < num_p_filters; j++) - { - if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_UP) - { - sumlo = (sumlo * png_ptr->filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - sumhi = (sumhi * png_ptr->filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - } - } - - sumlo = (sumlo * png_ptr->filter_costs[PNG_FILTER_VALUE_UP]) >> - PNG_COST_SHIFT; - sumhi = (sumhi * png_ptr->filter_costs[PNG_FILTER_VALUE_UP]) >> - PNG_COST_SHIFT; - - if (sumhi > PNG_HIMASK) - sum = PNG_MAXSUM; - else - sum = (sumhi << PNG_HISHIFT) + sumlo; - } -#endif - - if (sum < mins) - { - mins = sum; - best_row = png_ptr->up_row; - } - } - - /* avg filter */ - if (filter_to_do == PNG_FILTER_AVG) - { - png_bytep rp, dp, pp, lp; - png_uint_32 i; - for (i = 0, rp = row_buf + 1, dp = png_ptr->avg_row + 1, - pp = prev_row + 1; i < bpp; i++) - { - *dp++ = (png_byte)(((int)*rp++ - ((int)*pp++ / 2)) & 0xff); - } - for (lp = row_buf + 1; i < row_bytes; i++) - { - *dp++ = (png_byte)(((int)*rp++ - (((int)*pp++ + (int)*lp++) / 2)) - & 0xff); - } - best_row = png_ptr->avg_row; - } - - else if (filter_to_do & PNG_FILTER_AVG) - { - png_bytep rp, dp, pp, lp; - png_uint_32 sum = 0, lmins = mins; - png_uint_32 i; - int v; - -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) - { - int j; - png_uint_32 lmhi, lmlo; - lmlo = lmins & PNG_LOMASK; - lmhi = (lmins >> PNG_HISHIFT) & PNG_HIMASK; - - for (j = 0; j < num_p_filters; j++) - { - if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_AVG) - { - lmlo = (lmlo * png_ptr->inv_filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - lmhi = (lmhi * png_ptr->inv_filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - } - } - - lmlo = (lmlo * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_AVG]) >> - PNG_COST_SHIFT; - lmhi = (lmhi * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_AVG]) >> - PNG_COST_SHIFT; - - if (lmhi > PNG_HIMASK) - lmins = PNG_MAXSUM; - else - lmins = (lmhi << PNG_HISHIFT) + lmlo; - } -#endif - - for (i = 0, rp = row_buf + 1, dp = png_ptr->avg_row + 1, - pp = prev_row + 1; i < bpp; i++) - { - v = *dp++ = (png_byte)(((int)*rp++ - ((int)*pp++ / 2)) & 0xff); - - sum += (v < 128) ? v : 256 - v; - } - for (lp = row_buf + 1; i < row_bytes; i++) - { - v = *dp++ = - (png_byte)(((int)*rp++ - (((int)*pp++ + (int)*lp++) / 2)) & 0xff); - - sum += (v < 128) ? v : 256 - v; - - if (sum > lmins) /* We are already worse, don't continue. */ - break; - } - -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) - { - int j; - png_uint_32 sumhi, sumlo; - sumlo = sum & PNG_LOMASK; - sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK; - - for (j = 0; j < num_p_filters; j++) - { - if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_NONE) - { - sumlo = (sumlo * png_ptr->filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - sumhi = (sumhi * png_ptr->filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - } - } - - sumlo = (sumlo * png_ptr->filter_costs[PNG_FILTER_VALUE_AVG]) >> - PNG_COST_SHIFT; - sumhi = (sumhi * png_ptr->filter_costs[PNG_FILTER_VALUE_AVG]) >> - PNG_COST_SHIFT; - - if (sumhi > PNG_HIMASK) - sum = PNG_MAXSUM; - else - sum = (sumhi << PNG_HISHIFT) + sumlo; - } -#endif - - if (sum < mins) - { - mins = sum; - best_row = png_ptr->avg_row; - } - } - - /* Paeth filter */ - if (filter_to_do == PNG_FILTER_PAETH) - { - png_bytep rp, dp, pp, cp, lp; - png_uint_32 i; - for (i = 0, rp = row_buf + 1, dp = png_ptr->paeth_row + 1, - pp = prev_row + 1; i < bpp; i++) - { - *dp++ = (png_byte)(((int)*rp++ - (int)*pp++) & 0xff); - } - - for (lp = row_buf + 1, cp = prev_row + 1; i < row_bytes; i++) - { - int a, b, c, pa, pb, pc, p; - - b = *pp++; - c = *cp++; - a = *lp++; - - p = b - c; - pc = a - c; - -#ifdef PNG_USE_ABS - pa = abs(p); - pb = abs(pc); - pc = abs(p + pc); -#else - pa = p < 0 ? -p : p; - pb = pc < 0 ? -pc : pc; - pc = (p + pc) < 0 ? -(p + pc) : p + pc; -#endif - - p = (pa <= pb && pa <=pc) ? a : (pb <= pc) ? b : c; - - *dp++ = (png_byte)(((int)*rp++ - p) & 0xff); - } - best_row = png_ptr->paeth_row; - } - - else if (filter_to_do & PNG_FILTER_PAETH) - { - png_bytep rp, dp, pp, cp, lp; - png_uint_32 sum = 0, lmins = mins; - png_uint_32 i; - int v; - -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) - { - int j; - png_uint_32 lmhi, lmlo; - lmlo = lmins & PNG_LOMASK; - lmhi = (lmins >> PNG_HISHIFT) & PNG_HIMASK; - - for (j = 0; j < num_p_filters; j++) - { - if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_PAETH) - { - lmlo = (lmlo * png_ptr->inv_filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - lmhi = (lmhi * png_ptr->inv_filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - } - } - - lmlo = (lmlo * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_PAETH]) >> - PNG_COST_SHIFT; - lmhi = (lmhi * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_PAETH]) >> - PNG_COST_SHIFT; - - if (lmhi > PNG_HIMASK) - lmins = PNG_MAXSUM; - else - lmins = (lmhi << PNG_HISHIFT) + lmlo; - } -#endif - - for (i = 0, rp = row_buf + 1, dp = png_ptr->paeth_row + 1, - pp = prev_row + 1; i < bpp; i++) - { - v = *dp++ = (png_byte)(((int)*rp++ - (int)*pp++) & 0xff); - - sum += (v < 128) ? v : 256 - v; - } - - for (lp = row_buf + 1, cp = prev_row + 1; i < row_bytes; i++) - { - int a, b, c, pa, pb, pc, p; - - b = *pp++; - c = *cp++; - a = *lp++; - -#ifndef PNG_SLOW_PAETH - p = b - c; - pc = a - c; -#ifdef PNG_USE_ABS - pa = abs(p); - pb = abs(pc); - pc = abs(p + pc); -#else - pa = p < 0 ? -p : p; - pb = pc < 0 ? -pc : pc; - pc = (p + pc) < 0 ? -(p + pc) : p + pc; -#endif - p = (pa <= pb && pa <=pc) ? a : (pb <= pc) ? b : c; -#else /* PNG_SLOW_PAETH */ - p = a + b - c; - pa = abs(p - a); - pb = abs(p - b); - pc = abs(p - c); - if (pa <= pb && pa <= pc) - p = a; - else if (pb <= pc) - p = b; - else - p = c; -#endif /* PNG_SLOW_PAETH */ - - v = *dp++ = (png_byte)(((int)*rp++ - p) & 0xff); - - sum += (v < 128) ? v : 256 - v; - - if (sum > lmins) /* We are already worse, don't continue. */ - break; - } - -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) - { - int j; - png_uint_32 sumhi, sumlo; - sumlo = sum & PNG_LOMASK; - sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK; - - for (j = 0; j < num_p_filters; j++) - { - if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_PAETH) - { - sumlo = (sumlo * png_ptr->filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - sumhi = (sumhi * png_ptr->filter_weights[j]) >> - PNG_WEIGHT_SHIFT; - } - } - - sumlo = (sumlo * png_ptr->filter_costs[PNG_FILTER_VALUE_PAETH]) >> - PNG_COST_SHIFT; - sumhi = (sumhi * png_ptr->filter_costs[PNG_FILTER_VALUE_PAETH]) >> - PNG_COST_SHIFT; - - if (sumhi > PNG_HIMASK) - sum = PNG_MAXSUM; - else - sum = (sumhi << PNG_HISHIFT) + sumlo; - } -#endif - - if (sum < mins) - { - best_row = png_ptr->paeth_row; - } - } -#endif /* PNG_NO_WRITE_FILTER */ - /* Do the actual writing of the filtered row data from the chosen filter. */ - - png_write_filtered_row(png_ptr, best_row); - -#ifndef PNG_NO_WRITE_FILTER -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) - /* Save the type of filter we picked this time for future calculations */ - if (png_ptr->num_prev_filters > 0) - { - int j; - for (j = 1; j < num_p_filters; j++) - { - png_ptr->prev_filters[j] = png_ptr->prev_filters[j - 1]; - } - png_ptr->prev_filters[j] = best_row[0]; - } -#endif -#endif /* PNG_NO_WRITE_FILTER */ -} - - -/* Do the actual writing of a previously filtered row. */ -void /* PRIVATE */ -png_write_filtered_row(png_structp png_ptr, png_bytep filtered_row) -{ - png_debug(1, "in png_write_filtered_row"); - png_debug1(2, "filter = %d", filtered_row[0]); - /* set up the zlib input buffer */ - - png_ptr->zstream.next_in = filtered_row; - png_ptr->zstream.avail_in = (uInt)png_ptr->row_info.rowbytes + 1; - /* repeat until we have compressed all the data */ - do - { - int ret; /* return of zlib */ - - /* compress the data */ - ret = deflate(&png_ptr->zstream, Z_NO_FLUSH); - /* check for compression errors */ - if (ret != Z_OK) - { - if (png_ptr->zstream.msg != NULL) - png_error(png_ptr, png_ptr->zstream.msg); - else - png_error(png_ptr, "zlib error"); - } - - /* see if it is time to write another IDAT */ - if (!(png_ptr->zstream.avail_out)) - { - /* write the IDAT and reset the zlib output buffer */ - png_write_IDAT(png_ptr, png_ptr->zbuf, png_ptr->zbuf_size); - png_ptr->zstream.next_out = png_ptr->zbuf; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - } - /* repeat until all data has been compressed */ - } while (png_ptr->zstream.avail_in); - - /* swap the current and previous rows */ - if (png_ptr->prev_row != NULL) - { - png_bytep tptr; - - tptr = png_ptr->prev_row; - png_ptr->prev_row = png_ptr->row_buf; - png_ptr->row_buf = tptr; - } - - /* finish row - updates counters and flushes zlib if last row */ - png_write_finish_row(png_ptr); - -#if defined(PNG_WRITE_FLUSH_SUPPORTED) - png_ptr->flush_rows++; - - if (png_ptr->flush_dist > 0 && - png_ptr->flush_rows >= png_ptr->flush_dist) - { - png_write_flush(png_ptr); - } -#endif -} -#endif /* PNG_WRITE_SUPPORTED */ diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/beos/x86-shared.proj b/Build/source/libs/libpng/libpng-1.2.34/projects/beos/x86-shared.proj deleted file mode 100644 index 6d2e3c31998..00000000000 Binary files a/Build/source/libs/libpng/libpng-1.2.34/projects/beos/x86-shared.proj and /dev/null differ diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/beos/x86-shared.txt b/Build/source/libs/libpng/libpng-1.2.34/projects/beos/x86-shared.txt deleted file mode 100644 index 0cd4d9db4c3..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/beos/x86-shared.txt +++ /dev/null @@ -1,22 +0,0 @@ -This project builds a shared library version of libpng on x86 BeOS. - -It defines PNG_USE_PNGGCCRD, which activates the assembly code in -pnggccrd.c; this hasn't been extensively tested on BeOS. - -To install: - -1) build - - Note: As of version 1.0.10, you'll get a fair number of warnings when - you compile pnggccrd.c. As far as I know, these are harmless, - but it would be better if someone fixed them. - -2) copy and png.h, pngconf.h somewhere; /boot/home/config/include (which - you'll have to make) is a good choice - -3) copy libpng.so to /boot/home/config/lib - -4) build your libpng.so applications (remember to include libz.a as - well when you link) - -- Chris Herborth, March 27, 2001 diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/beos/x86-static.proj b/Build/source/libs/libpng/libpng-1.2.34/projects/beos/x86-static.proj deleted file mode 100644 index 37c0753664a..00000000000 Binary files a/Build/source/libs/libpng/libpng-1.2.34/projects/beos/x86-static.proj and /dev/null differ diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/beos/x86-static.txt b/Build/source/libs/libpng/libpng-1.2.34/projects/beos/x86-static.txt deleted file mode 100644 index bb80aaa5fa6..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/beos/x86-static.txt +++ /dev/null @@ -1,22 +0,0 @@ -This project builds a static library version of libpng on x86 BeOS. - -It defines PNG_USE_PNGGCCRD, which activates the assembly code in -pnggccrd.c; this hasn't been extensively tested on BeOS. - -To install: - -1) build - - Note: As of version 1.0.10, you'll get a fair number of warnings when - you compile pnggccrd.c. As far as I know, these are harmless, - but it would be better if someone fixed them. - -2) copy and png.h, pngconf.h somewhere; /boot/home/config/include (which - you'll have to make) is a good choice - -3) copy libpng.a to /boot/home/config/lib - -4) build your libpng.a applications (remember to include libz.a as - well when you link) - -- Chris Herborth, March 27, 2001 diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.bpf b/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.bpf deleted file mode 100644 index ee6d9293d9d..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.bpf +++ /dev/null @@ -1,22 +0,0 @@ -USEUNIT("libpng.cpp"); -USEUNIT("..\..\png.c"); -USEUNIT("..\..\pngerror.c"); -USEUNIT("..\..\pngget.c"); -USEUNIT("..\..\pngmem.c"); -USEUNIT("..\..\pngpread.c"); -USEUNIT("..\..\pngread.c"); -USEUNIT("..\..\pngrio.c"); -USEUNIT("..\..\pngrtran.c"); -USEUNIT("..\..\pngrutil.c"); -USEUNIT("..\..\pngset.c"); -USEUNIT("..\..\pngtrans.c"); -USEUNIT("..\..\pngwio.c"); -USEUNIT("..\..\pngwrite.c"); -USEUNIT("..\..\pngwtran.c"); -USEUNIT("..\..\pngwutil.c"); -USELIB("..\..\..\zlib\zlib.lib"); -//--------------------------------------------------------------------------- -This file is used by the project manager only and should be treated like the project file - - -DllEntryPoint diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.bpg b/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.bpg deleted file mode 100644 index 80c19771909..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.bpg +++ /dev/null @@ -1,25 +0,0 @@ -#------------------------------------------------------------------------------ -VERSION = BWS.01 -#------------------------------------------------------------------------------ -!ifndef ROOT -ROOT = $(MAKEDIR)\.. -!endif -#------------------------------------------------------------------------------ -MAKE = $(ROOT)\bin\make.exe -$(MAKEFLAGS) -f$** -DCC = $(ROOT)\bin\dcc32.exe $** -BRCC = $(ROOT)\bin\brcc32.exe $** -#------------------------------------------------------------------------------ -PROJECTS = libpngstat.lib libpng.dll -#------------------------------------------------------------------------------ -default: $(PROJECTS) -#------------------------------------------------------------------------------ - -libpngstat.lib: libpngstat.bpr - $(ROOT)\bin\bpr2mak -t$(ROOT)\bin\deflib.bmk $** - $(ROOT)\bin\make -$(MAKEFLAGS) -f$*.mak - -libpng.dll: libpng.bpr - $(ROOT)\bin\bpr2mak $** - $(ROOT)\bin\make -$(MAKEFLAGS) -f$*.mak - - diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.bpr b/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.bpr deleted file mode 100644 index b9fdbe4d00e..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.bpr +++ /dev/null @@ -1,157 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -[Version Info] -IncludeVerInfo=0 -AutoIncBuild=0 -MajorVer=1 -MinorVer=0 -Release=0 -Build=0 -Debug=0 -PreRelease=0 -Special=0 -Private=0 -DLL=1 -Locale=2057 -CodePage=1252 - -[Version Info Keys] -CompanyName= -FileDescription= -FileVersion=1.0.0.0 -InternalName= -LegalCopyright= -LegalTrademarks= -OriginalFilename= -ProductName= -ProductVersion= -Comments= - -[HistoryLists\hlIncludePath] -Count=18 -Item0=..\..;..\..\..\zlib;$(BCB)\include -Item1=..\..;P:\My Documents\Source\PNG+ZLib\zlib;$(BCB)\include -Item2=..\..;..\Source\ThirdParty\PortableNetworkGraphics\external;..\Source\ThirdParty\PortableNetworkGraphics;..\Source\ThirdParty\ZLibCompression\external;$(BCB)\include -Item3=..\Source\ThirdParty\PortableNetworkGraphics\external;..\Source\ThirdParty\PortableNetworkGraphics;..\Source\ThirdParty\ZLibCompression\external;$(BCB)\include -Item4=..\Source\ThirdParty\PortableNetworkGraphics\external;..\Source\ThirdParty\PortableNetworkGraphics;..\Source\ThirdParty\ZLibCompression;$(BCB)\include -Item5=..\Source\ThirdParty\PortableNetworkGraphics;..\Source\ThirdParty\ZLibCompression;$(BCB)\include -Item6=..\Source\ThirdParty\PortableNetworkGraphics;P:\Development\Source\ThirdParty\ZLibCompression;$(BCB)\include -Item7=..\Source\ThirdParty\PortableNetworkGraphics;$(BCB)\include -Item8=$(BCB)\include -Item9=..\Source;..\Source\General\Templates;..\Source\SIMUtilities;$(BCB)\include;$(BCB)\include\vcl -Item10=P:\Development\Source\;P:\Development\Source\General\Templates\;P:\Development\Source\SIMUtilities\;$(BCB)\include;$(BCB)\include\vcl -Item11=P:\Development\Source;P:\Development\Source\General\Templates\;P:\Development\Source\SIMUtilities\;$(BCB)\include;$(BCB)\include\vcl -Item12=P:\Development\Source\General\Templates\;P:\Development\Source\SIMUtilities\;$(BCB)\include;$(BCB)\include\vcl -Item13=P:\Development\Source\General\Templates\;P:\Development\Source\SIMUtilities;$(BCB)\include;$(BCB)\include\vcl -Item14=P:\Development\Source\General\Templates\;$(BCB)\include;$(BCB)\include\vcl -Item15=P:\Development\Source\General\Templates;$(BCB)\include;$(BCB)\include\vcl -Item16=P:\Development\Source;$(BCB)\include;$(BCB)\include\vcl -Item17=$(BCB)\include;$(BCB)\include\vcl - -[HistoryLists\hlLibraryPath] -Count=10 -Item0=..\..;$(BCB)\lib\obj;$(BCB)\lib -Item1=..\..;..\Source\ThirdParty\PortableNetworkGraphics\external;..\Source\ThirdParty\PortableNetworkGraphics;$(BCB)\lib\obj;$(BCB)\lib -Item2=..\Source\ThirdParty\PortableNetworkGraphics\external;..\Source\ThirdParty\PortableNetworkGraphics;$(BCB)\lib\obj;$(BCB)\lib -Item3=..\Source\ThirdParty\PortableNetworkGraphics;$(BCB)\lib\obj;$(BCB)\lib -Item4=$(BCB)\lib\obj;$(BCB)\lib -Item5=..\Source\SIMUtilities;..\Source;$(BCB)\lib\obj;$(BCB)\lib -Item6=P:\Development\Source\SIMUtilities\;P:\Development\Source\;$(BCB)\lib\obj;$(BCB)\lib -Item7=P:\Development\Source\SIMUtilities;P:\Development\Source\;$(BCB)\lib\obj;$(BCB)\lib -Item8=P:\Development\Source\;$(BCB)\lib\obj;$(BCB)\lib -Item9=P:\Development\Source;$(BCB)\lib\obj;$(BCB)\lib - -[HistoryLists\hlDebugSourcePath] -Count=1 -Item0=$(BCB)\source\vcl - -[HistoryLists\hlConditionals] -Count=20 -Item0=ZLIB_DLL;Z_PREFIX;PNG_BUILD_DLL;PNG_NO_MODULEDEF -Item1=_DEBUG;ZLIB_DLL;Z_PREFIX;PNG_BUILD_DLL;PNG_NO_MODULEDEF -Item2=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG;PNG_NO_MODULEDEF -Item3=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG;PNG_DEBUG=5;PNG_NO_MODULEDEF;PNG_NO_GLOBAL_ARRAYS -Item4=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG;PNG_DEBUG=5;PNG_NO_MODULEDEF;PNG_SETJMP_NOT_SUPPORTED;PNG_DEBUG_FILE=stderr -Item5=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG;PNG_DEBUG;PNG_NO_MODULEDEF;PNG_SETJMP_NOT_SUPPORTED -Item6=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG;PNG_DEBUG=5;PNG_NO_MODULEDEF;PNG_SETJMP_NOT_SUPPORTED -Item7=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG;PNG_DEBUG=5;PNG_NO_MODULEDEF -Item8=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG;PNG_DEBUG=5 -Item9=PNG_BUILD_DLL;ZLIB_DLL;_DEBUG -Item10=PNG_BUILD_DLL;ZLIB_DLL -Item11=PNG_BUILD_DLL -Item12=PNG_DLL;PNG_BUILD_DLL;ZLIB_DLL -Item13=PNG_DLL;PNG_BUILD_DLL;PNG_NO_GLOBAL_ARRAYS;ZLIB_DLL -Item14=PNG_DLL;PNG_BUILD_DLL;PNG_NO_GLOBAL_ARRAYS -Item15=PNG_DLL;PNG_BUILD_DLL -Item16=PNG_DLL;PNG_BUILD_DLL;PNG_MODULEDEF -Item17=_HTML_FORM -Item18=_DEBUG;_HTML_FORM -Item19=_DEBUG - -[HistoryLists\hlIntOutputDir] -Count=2 -Item0=..\Obj -Item1=P:\Development\Obj - -[Debugging] -DebugSourceDirs= - -[Parameters] -RunParams= -HostApplication=P:\Development\Executables\LibPNGTestApp.exe -RemoteHost= -RemotePath= -RemoteDebug=0 - -[Compiler] -ShowInfoMsgs=0 -LinkDebugVcl=0 -LinkCGLIB=0 - - \ No newline at end of file diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.cpp b/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.cpp deleted file mode 100644 index 4e2f274d416..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.cpp +++ /dev/null @@ -1,29 +0,0 @@ -//--------------------------------------------------------------------------- -#include -//--------------------------------------------------------------------------- -// Important note about DLL memory management when your DLL uses the -// static version of the RunTime Library: -// -// If your DLL exports any functions that pass String objects (or structs/ -// classes containing nested Strings) as parameter or function results, -// you will need to add the library MEMMGR.LIB to both the DLL project and -// any other projects that use the DLL. You will also need to use MEMMGR.LIB -// if any other projects which use the DLL will be performing new or delete -// operations on any non-TObject-derived classes which are exported from the -// DLL. Adding MEMMGR.LIB to your project will change the DLL and its calling -// EXE's to use the BORLNDMM.DLL as their memory manager. In these cases, -// the file BORLNDMM.DLL should be deployed along with your DLL. -// -// To avoid using BORLNDMM.DLL, pass string information using "char *" or -// ShortString parameters. -// -// If your DLL uses the dynamic version of the RTL, you do not need to -// explicitly add MEMMGR.LIB as this will be done implicitly for you -//--------------------------------------------------------------------------- - -int WINAPI DllEntryPoint(HINSTANCE, unsigned long, void*) -{ - return 1; -} -//--------------------------------------------------------------------------- - \ No newline at end of file diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.readme.txt b/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.readme.txt deleted file mode 100644 index c99c1e9a777..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpng.readme.txt +++ /dev/null @@ -1,25 +0,0 @@ -Project files to build libpng using Borland C++ Builder v5.0 - -In order to build and use libpng, please follow these steps: - - 1). Install zlib in a directory at the same level with libpng. - - 2). In a console window, go to the zlib directory and type: - make -f win32\Makefile.bor - After performing this step, you should have a file named - zlib.lib in the zlib directory. - - 3). Add the following conditional define to your project: - PNG_USE_DLL - - 4). Add libpng.lib or libpngstat.lib to the project. - Build the project. - - 5). If the build fails, add the paths to png.h and zlib.h to - your include path, and restart the build. - -By default, the libpng project uses zlib as a static library. If -you wish to use zlib as a DLL, please read the important notes from -the zlib DLL FAQ, found inside the zlib distribution. - -See the libpng documentation for instructions on how to use the code. diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpngstat.bpf b/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpngstat.bpf deleted file mode 100644 index f736b62f43c..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpngstat.bpf +++ /dev/null @@ -1,22 +0,0 @@ -USEUNIT("..\..\png.c"); -USEUNIT("..\..\pngerror.c"); -USEUNIT("..\..\pngget.c"); -USEUNIT("..\..\pngmem.c"); -USEUNIT("..\..\pngpread.c"); -USEUNIT("..\..\pngread.c"); -USEUNIT("..\..\pngrio.c"); -USEUNIT("..\..\pngrtran.c"); -USEUNIT("..\..\pngrutil.c"); -USEUNIT("..\..\pngset.c"); -USEUNIT("..\..\pngtrans.c"); -USEUNIT("..\..\pngwio.c"); -USEUNIT("..\..\pngwrite.c"); -USEUNIT("..\..\pngwtran.c"); -USEUNIT("..\..\pngwutil.c"); -USELIB("..\..\..\zlib\zlib.lib"); -//--------------------------------------------------------------------------- -#define Library - -// To add a file to the library use the Project menu 'Add to Project'. - - \ No newline at end of file diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpngstat.bpr b/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpngstat.bpr deleted file mode 100644 index 9a51ecc88aa..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/libpngstat.bpr +++ /dev/null @@ -1,109 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -[Version Info] -IncludeVerInfo=0 -AutoIncBuild=0 -MajorVer=1 -MinorVer=0 -Release=0 -Build=0 -Debug=0 -PreRelease=0 -Special=0 -Private=0 -DLL=0 -Locale=2057 -CodePage=1252 - -[Version Info Keys] -CompanyName= -FileDescription= -FileVersion=1.0.0.0 -InternalName= -LegalCopyright= -LegalTrademarks= -OriginalFilename= -ProductName= -ProductVersion=1.0.0.0 -Comments= - -[HistoryLists\hlIncludePath] -Count=2 -Item0=..\..;P:\My Documents\Source\PNG+ZLib\zlib;$(BCB)\include -Item1=..\..;$(BCB)\include;$(BCB)\include\vcl - -[HistoryLists\hlLibraryPath] -Count=1 -Item0=..\..;$(BCB)\lib\obj;$(BCB)\lib - -[HistoryLists\hlDebugSourcePath] -Count=1 -Item0=$(BCB)\source\vcl - -[HistoryLists\hlConditionals] -Count=1 -Item0=_DEBUG - -[HistoryLists\hlTlibPageSize] -Count=1 -Item0=0x0010 - -[Debugging] -DebugSourceDirs=$(BCB)\source\vcl - -[Parameters] -RunParams= -HostApplication= -RemoteHost= -RemotePath= -RemoteDebug=0 - -[Compiler] -ShowInfoMsgs=0 -LinkDebugVcl=0 -LinkCGLIB=0 - -[Language] -ActiveLang= -ProjectLang= -RootDir= - - \ No newline at end of file diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/zlib.readme.txt b/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/zlib.readme.txt deleted file mode 100644 index cb6a7a81ea5..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/cbuilder5/zlib.readme.txt +++ /dev/null @@ -1,14 +0,0 @@ -The project that builds libpng under Borland C++ Builder does not -explicitly build zlib. By taking this decision, there is no need -to update the libpng project each time when there is a change in -the list of zlib source files. After all, this list is private to -zlib, and applications (such as libpng) should not assume anything -about it. - -If you wish to contribute a project that builds zlib under Borland -C++ Builder, please submit it to the zlib developers, not to the -libpng developers. - -By default, the libpng project uses zlib as a static library. If -you wish to use zlib as a DLL, please read the important notes from -the zlib DLL FAQ, found inside the zlib distribution. diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/netware.txt b/Build/source/libs/libpng/libpng-1.2.34/projects/netware.txt deleted file mode 100644 index 178361da8fc..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/netware.txt +++ /dev/null @@ -1,6 +0,0 @@ -A set of project files is available for Netware. Get -libpng-1.2.5-project-netware.zip from a libpng distribution -site such as http://libpng.sourceforge.net - -Put the zip file in this directory (projects) and then run -"unzip -a libpng-1.2.5-project-netware.zip" diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc6/README.txt b/Build/source/libs/libpng/libpng-1.2.34/projects/visualc6/README.txt deleted file mode 100644 index d34980d5759..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc6/README.txt +++ /dev/null @@ -1,57 +0,0 @@ -Microsoft Developer Studio Project File, Format Version 6.00 for libpng. - -Copyright (C) 2000-2004 Simon-Pierre Cadieux. -Copyright (C) 2004 Cosmin Truta. -For conditions of distribution and use, see copyright notice in png.h - - -Assumptions: -* The libpng source files are in ..\.. -* The zlib source files are in ..\..\..\zlib -* The zlib project files are in ..\..\..\zlib\projects\visualc6 - - -To use: - -1) On the main menu, select "File | Open Workspace". - Open "libpng.dsw". - -2) Select "Build | Set Active Configuration". - Choose the configuration you wish to build. - (Choose libpng or pngtest; zlib will be built automatically.) - -3) Select "Build | Clean". - -4) Select "Build | Build ... (F7)". Ignore warning messages about - not being able to find certain include files (e.g. alloc.h). - -5) If you built the sample program (pngtest), - select "Build | Execute ... (Ctrl+F5)". - - -This project builds the libpng binaries as follows: - -* Win32_DLL_Release\libpng13.dll DLL build -* Win32_DLL_Debug\libpng13d.dll DLL build (debug version) -* Win32_DLL_ASM_Release\libpng13.dll DLL build using ASM code -* Win32_DLL_ASM_Debug\libpng13d.dll DLL build using ASM (debug version) -* Win32_DLL_VB\libpng13vb.dll DLL build for Visual Basic, using stdcall -* Win32_LIB_Release\libpng.lib static build -* Win32_LIB_Debug\libpngd.lib static build (debug version) -* Win32_LIB_ASM_Release\libpng.lib static build using ASM code -* Win32_LIB_ASM_Debug\libpngd.lib static build using ASM (debug version) - - -Notes: - -If you change anything in the source files, or select different compiler -settings, please change the DLL name to something different than any of -the above names. Also, make sure that in your "pngusr.h" you define -PNG_USER_PRIVATEBUILD and PNG_USER_DLLFNAME_POSTFIX according to the -instructions provided in "pngconf.h". - -All DLLs built by this project use the Microsoft dynamic C runtime library -MSVCRT.DLL (MSVCRTD.DLL for debug versions). If you distribute any of the -above mentioned libraries you should also include this DLL in your package. -For a list of files that are redistributable in Visual C++ 6.0, see -Common\Redist\Redist.txt on Disc 1 of the Visual C++ 6.0 product CDs. diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc6/libpng.dsp b/Build/source/libs/libpng/libpng-1.2.34/projects/visualc6/libpng.dsp deleted file mode 100644 index 2a77cc30bf3..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc6/libpng.dsp +++ /dev/null @@ -1,472 +0,0 @@ -# Microsoft Developer Studio Project File - Name="libpng" - Package Owner=<4> -# Microsoft Developer Studio Generated Build File, Format Version 6.00 -# ** DO NOT EDIT ** - -# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102 -# TARGTYPE "Win32 (x86) Static Library" 0x0104 - -CFG=libpng - Win32 DLL Release -!MESSAGE This is not a valid makefile. To build this project using NMAKE, -!MESSAGE use the Export Makefile command and run -!MESSAGE -!MESSAGE NMAKE /f "libpng.mak". -!MESSAGE -!MESSAGE You can specify a configuration when running NMAKE -!MESSAGE by defining the macro CFG on the command line. For example: -!MESSAGE -!MESSAGE NMAKE /f "libpng.mak" CFG="libpng - Win32 DLL Release" -!MESSAGE -!MESSAGE Possible choices for configuration are: -!MESSAGE -!MESSAGE "libpng - Win32 DLL Release" (based on "Win32 (x86) Dynamic-Link Library") -!MESSAGE "libpng - Win32 DLL Debug" (based on "Win32 (x86) Dynamic-Link Library") -!MESSAGE "libpng - Win32 DLL ASM Release" (based on "Win32 (x86) Dynamic-Link Library") -!MESSAGE "libpng - Win32 DLL ASM Debug" (based on "Win32 (x86) Dynamic-Link Library") -!MESSAGE "libpng - Win32 DLL VB" (based on "Win32 (x86) Dynamic-Link Library") -!MESSAGE "libpng - Win32 LIB Release" (based on "Win32 (x86) Static Library") -!MESSAGE "libpng - Win32 LIB Debug" (based on "Win32 (x86) Static Library") -!MESSAGE "libpng - Win32 LIB ASM Release" (based on "Win32 (x86) Static Library") -!MESSAGE "libpng - Win32 LIB ASM Debug" (based on "Win32 (x86) Static Library") -!MESSAGE - -# Begin Project -# PROP AllowPerConfigDependencies 0 -# PROP Scc_ProjName "" -# PROP Scc_LocalPath "" - -!IF "$(CFG)" == "libpng - Win32 DLL Release" - -# PROP BASE Use_MFC 0 -# PROP BASE Use_Debug_Libraries 0 -# PROP BASE Output_Dir "libpng___Win32_DLL_Release" -# PROP BASE Intermediate_Dir "libpng___Win32_DLL_Release" -# PROP BASE Target_Dir "" -# PROP Use_MFC 0 -# PROP Use_Debug_Libraries 0 -# PROP Output_Dir "Win32_DLL_Release" -# PROP Intermediate_Dir "Win32_DLL_Release" -# PROP Ignore_Export_Lib 0 -# PROP Target_Dir "" -CPP=cl.exe -# ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c -# SUBTRACT BASE CPP /YX /Yc /Yu -# ADD CPP /nologo /MD /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /D "PNG_BUILD_DLL" /D "PNG_NO_MMX_CODE" /D "ZLIB_DLL" /D "_CRT_SECURE_NO_WARNINGS" /FD /c -# SUBTRACT CPP /YX /Yc /Yu -MTL=midl.exe -# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32 -# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32 -RSC=rc.exe -# ADD BASE RSC /l 0x409 /d "NDEBUG" -# ADD RSC /l 0x409 /i "..\.." /d "NDEBUG" -BSC32=bscmake.exe -# ADD BASE BSC32 /nologo -# ADD BSC32 /nologo -LINK32=link.exe -# ADD BASE LINK32 /nologo /dll /machine:I386 -# ADD LINK32 zlib1.lib /nologo /dll /machine:I386 /out:"Win32_DLL_Release\libpng13.dll" /libpath:"..\..\..\zlib\projects\visualc6\Win32_DLL_Release" - 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-!ELSEIF "$(CFG)" == "pngtest - Win32 LIB ASM Debug" - -# PROP BASE Use_MFC 0 -# PROP BASE Use_Debug_Libraries 1 -# PROP BASE Output_Dir "pngtest___Win32_LIB_ASM_Debug" -# PROP BASE Intermediate_Dir "pngtest___Win32_LIB_ASM_Debug" -# PROP BASE Target_Dir "" -# PROP Use_MFC 0 -# PROP Use_Debug_Libraries 1 -# PROP Output_Dir "Win32_LIB_ASM_Debug" -# PROP Intermediate_Dir "Win32_LIB_ASM_Debug" -# PROP Ignore_Export_Lib 0 -# PROP Target_Dir "" -# ADD BASE CPP /nologo /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c -# SUBTRACT BASE CPP /YX -# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /FD /GZ /c -# SUBTRACT CPP /YX -# ADD BASE RSC /l 0x409 /d "_DEBUG" -# ADD RSC /l 0x409 /d "_DEBUG" -BSC32=bscmake.exe -# ADD BASE BSC32 /nologo -# ADD BSC32 /nologo -LINK32=link.exe -# ADD BASE LINK32 /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept -# ADD LINK32 Win32_LIB_ASM_Debug\libpngd.lib ..\..\..\zlib\projects\visualc6\Win32_LIB_ASM_Debug\zlibd.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept -# Begin Special Build Tool -OutDir=.\Win32_LIB_ASM_Debug -SOURCE="$(InputPath)" -PostBuild_Desc=[Run Test] -PostBuild_Cmds=$(outdir)\pngtest.exe ..\..\pngtest.png -# End Special Build Tool - -!ENDIF - -# Begin Target - -# Name "pngtest - Win32 DLL Release" -# Name "pngtest - Win32 DLL Debug" -# Name "pngtest - Win32 DLL ASM Release" -# Name "pngtest - Win32 DLL ASM Debug" -# Name "pngtest - Win32 LIB Release" -# Name "pngtest - Win32 LIB Debug" -# Name "pngtest - Win32 LIB ASM Release" -# Name "pngtest - Win32 LIB ASM Debug" -# Begin Group "Source Files" - -# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat" -# Begin Source File - -SOURCE=..\..\pngtest.c -# End Source File -# End Group -# End Target -# End Project diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/PRJ0041.mak b/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/PRJ0041.mak deleted file mode 100644 index 3a597b0232f..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/PRJ0041.mak +++ /dev/null @@ -1,21 +0,0 @@ -# Prevent "Cannot find missing dependency..." warnings while compiling -# pngw32.rc (PRJ0041). - -all: $(IntDir)\alloc.h \ - $(IntDir)\fp.h \ - $(IntDir)\m68881.h \ - $(IntDir)\mem.h \ - $(IntDir)\pngusr.h \ - $(IntDir)\strings.h \ - $(IntDir)\unistd.h \ - $(IntDir)\unixio.h - -$(IntDir)\alloc.h \ -$(IntDir)\fp.h \ -$(IntDir)\m68881.h \ -$(IntDir)\mem.h \ -$(IntDir)\pngusr.h \ -$(IntDir)\strings.h \ -$(IntDir)\unistd.h \ -$(IntDir)\unixio.h: - @!echo.>$@ diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/README.txt b/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/README.txt deleted file mode 100644 index 7bd63327e3d..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/README.txt +++ /dev/null @@ -1,57 +0,0 @@ -Microsoft Developer Studio Project File, Format Version 7.10 for libpng. - -Copyright (C) 2004 Simon-Pierre Cadieux. -For conditions of distribution and use, see copyright notice in png.h - -Assumptions: -* The libpng source files are in ..\.. -* The zlib source files are in ..\..\..\zlib -* The zlib project file is in . /* Warning: This is until the zlib project - files get intergrated into the next zlib release. The final zlib project - directory will then be ..\..\..\zlib\projects\visualc71. */ - -To use: - -1) On the main menu, select "File | Open Solution". - Open "libpng.sln". - -2) Display the Solution Explorer view (Ctrl+Alt+L) - -3) Set one of the project as the StartUp project. If you just want to build the - binaries set "libpng" as the startup project (Select "libpng" tree view - item + Project | Set as StartUp project). If you want to build and test the - binaries set it to "pngtest" (Select "pngtest" tree view item + - Project | Set as StartUp project) - -4) Select "Build | Configuration Manager...". - Choose the configuration you wish to build. - -5) Select "Build | Clean Solution". - -6) Select "Build | Build Solution (Ctrl-Shift-B)" - -This project builds the libpng binaries as follows: - -* Win32_DLL_Release\libpng13.dll DLL build -* Win32_DLL_Debug\libpng13d.dll DLL build (debug version) -* Win32_DLL_ASM_Release\libpng13.dll DLL build using ASM code -* Win32_DLL_ASM_Debug\libpng13d.dll DLL build using ASM (debug version) -* Win32_DLL_VB\libpng13vb.dll DLL build for Visual Basic, using stdcall -* Win32_LIB_Release\libpng.lib static build -* Win32_LIB_Debug\libpngd.lib static build (debug version) -* Win32_LIB_ASM_Release\libpng.lib static build using ASM code -* Win32_LIB_ASM_Debug\libpngd.lib static build using ASM (debug version) - -Notes: - -If you change anything in the source files, or select different compiler -settings, please change the DLL name to something different than any of -the above names. Also, make sure that in your "pngusr.h" you define -PNG_USER_PRIVATEBUILD and PNG_USER_DLLFNAME_POSTFIX according to the -instructions provided in "pngconf.h". - -All DLLs built by this project use the Microsoft dynamic C runtime library -MSVCR71.DLL (MSVCR71D.DLL for debug versions). If you distribute any of the -above mentioned libraries you may have to include this DLL in your package. -For a list of files that are redistributable in Visual Studio see -$(VCINSTALLDIR)\redist.txt. diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/README_zlib.txt b/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/README_zlib.txt deleted file mode 100644 index ff6a5c7cbe9..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/README_zlib.txt +++ /dev/null @@ -1,44 +0,0 @@ -/* WARNING: This file was put in the LibPNG distribution for convenience only. - It is expected to be part of the next zlib release under - "projects\visualc71\README.txt." */ - -Microsoft Developer Studio Project File, Format Version 7.10 for zlib. - -Copyright (C) 2004 Simon-Pierre Cadieux. -Copyright (C) 2004 Cosmin Truta. -For conditions of distribution and use, see copyright notice in zlib.h. - - -To use: - -1) On the main menu, select "File | Open Solution". - Open "zlib.sln". - -2) Display the Solution Explorer view (Ctrl+Alt+L) - -3) Set one of the project as the StartUp project. If you just want to build the - binaries set "zlib" as the startup project (Select "zlib" tree view item + - Project | Set as StartUp project). If you want to build and test the - binaries set it to "example" (Select "example" tree view item + Project | - Set as StartUp project), If you want to build the minigzip utility set it to - "minigzip" (Select "minigzip" tree view item + Project | Set as StartUp - project - -4) Select "Build | Configuration Manager...". - Choose the configuration you wish to build. - -5) Select "Build | Clean Solution". - -6) Select "Build | Build Solution (Ctrl-Shift-B)" - -This project builds the zlib binaries as follows: - -* Win32_DLL_Release\zlib1.dll DLL build -* Win32_DLL_Debug\zlib1d.dll DLL build (debug version) -* Win32_DLL_ASM_Release\zlib1.dll DLL build using ASM code -* Win32_DLL_ASM_Debug\zlib1d.dll DLL build using ASM code (debug version) -* Win32_LIB_Release\zlib.lib static build -* Win32_LIB_Debug\zlibd.lib static build (debug version) -* Win32_LIB_ASM_Release\zlib.lib static build using ASM code -* Win32_LIB_ASM_Debug\zlibd.lib static build using ASM code (debug version) - diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/libpng.sln b/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/libpng.sln deleted file mode 100644 index 7f75b0c6b49..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/libpng.sln +++ /dev/null @@ -1,88 +0,0 @@ -Microsoft Visual Studio Solution File, Format Version 8.00 -Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libpng", "libpng.vcproj", "{0008960E-E0DD-41A6-8265-00B31DDB4C21}" - ProjectSection(ProjectDependencies) = postProject - {2D4F8105-7D21-454C-9932-B47CAB71A5C0} = {2D4F8105-7D21-454C-9932-B47CAB71A5C0} - EndProjectSection -EndProject -Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "pngtest", "pngtest.vcproj", "{FD1C2F86-9EEF-47BD-95A4-530917E17FDA}" - ProjectSection(ProjectDependencies) = postProject - {0008960E-E0DD-41A6-8265-00B31DDB4C21} = {0008960E-E0DD-41A6-8265-00B31DDB4C21} - EndProjectSection -EndProject -Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlib", "zlib.vcproj", "{2D4F8105-7D21-454C-9932-B47CAB71A5C0}" - ProjectSection(ProjectDependencies) = postProject - EndProjectSection -EndProject -Global - GlobalSection(SolutionConfiguration) = preSolution - DLL ASM Debug = DLL ASM Debug - DLL ASM Release = DLL ASM Release - DLL Debug = DLL Debug - DLL Release = DLL Release - DLL VB = DLL VB - LIB ASM Debug = LIB ASM Debug - LIB ASM Release = LIB ASM Release - LIB Debug = LIB Debug - LIB Release = LIB Release - EndGlobalSection - GlobalSection(ProjectConfiguration) = postSolution - {0008960E-E0DD-41A6-8265-00B31DDB4C21}.DLL ASM Debug.ActiveCfg = DLL ASM Debug|Win32 - {0008960E-E0DD-41A6-8265-00B31DDB4C21}.DLL ASM Debug.Build.0 = DLL ASM Debug|Win32 - {0008960E-E0DD-41A6-8265-00B31DDB4C21}.DLL ASM Release.ActiveCfg = DLL ASM Release|Win32 - {0008960E-E0DD-41A6-8265-00B31DDB4C21}.DLL ASM Release.Build.0 = DLL ASM Release|Win32 - {0008960E-E0DD-41A6-8265-00B31DDB4C21}.DLL Debug.ActiveCfg = DLL Debug|Win32 - {0008960E-E0DD-41A6-8265-00B31DDB4C21}.DLL Debug.Build.0 = DLL Debug|Win32 - {0008960E-E0DD-41A6-8265-00B31DDB4C21}.DLL Release.ActiveCfg = DLL Release|Win32 - {0008960E-E0DD-41A6-8265-00B31DDB4C21}.DLL Release.Build.0 = DLL Release|Win32 - {0008960E-E0DD-41A6-8265-00B31DDB4C21}.DLL VB.ActiveCfg = DLL VB|Win32 - {0008960E-E0DD-41A6-8265-00B31DDB4C21}.DLL VB.Build.0 = DLL VB|Win32 - {0008960E-E0DD-41A6-8265-00B31DDB4C21}.LIB ASM Debug.ActiveCfg = LIB ASM Debug|Win32 - {0008960E-E0DD-41A6-8265-00B31DDB4C21}.LIB ASM Debug.Build.0 = LIB ASM Debug|Win32 - {0008960E-E0DD-41A6-8265-00B31DDB4C21}.LIB ASM Release.ActiveCfg = LIB ASM Release|Win32 - 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{2D4F8105-7D21-454C-9932-B47CAB71A5C0}.LIB Debug.ActiveCfg = LIB Debug|Win32 - {2D4F8105-7D21-454C-9932-B47CAB71A5C0}.LIB Debug.Build.0 = LIB Debug|Win32 - {2D4F8105-7D21-454C-9932-B47CAB71A5C0}.LIB Release.ActiveCfg = LIB Release|Win32 - {2D4F8105-7D21-454C-9932-B47CAB71A5C0}.LIB Release.Build.0 = LIB Release|Win32 - EndGlobalSection - GlobalSection(ExtensibilityGlobals) = postSolution - EndGlobalSection - GlobalSection(ExtensibilityAddIns) = postSolution - EndGlobalSection -EndGlobal diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/libpng.vcproj b/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/libpng.vcproj deleted file mode 100644 index 926e37bd965..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/libpng.vcproj +++ /dev/null @@ -1,702 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/pngtest.vcproj b/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/pngtest.vcproj deleted file mode 100644 index e7a29277d0f..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/pngtest.vcproj +++ /dev/null @@ -1,459 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/zlib.vcproj b/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/zlib.vcproj deleted file mode 100644 index 5574ae38eed..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/visualc71/zlib.vcproj +++ /dev/null @@ -1,670 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/Build/source/libs/libpng/libpng-1.2.34/projects/wince.txt b/Build/source/libs/libpng/libpng-1.2.34/projects/wince.txt deleted file mode 100644 index a1a26c0bc68..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/projects/wince.txt +++ /dev/null @@ -1,6 +0,0 @@ -A set of project files is available for WinCE. Get -libpng-1.2.5-project-wince.zip from a libpng distribution -site such as http://libpng.sourceforge.net - -Put the zip file in this directory (projects) and then run -"unzip -a libpng-1.2.5-project-wince.zip" diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/CMakeLists.txt b/Build/source/libs/libpng/libpng-1.2.34/scripts/CMakeLists.txt deleted file mode 100644 index 97e6534caf3..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/CMakeLists.txt +++ /dev/null @@ -1,210 +0,0 @@ - -project(PNG) - -# Copyright (C) 2007 Glenn Randers-Pehrson -# For conditions of distribution and use, see copyright notice in png.h - -set(PNGLIB_MAJOR 1) -set(PNGLIB_MINOR 2) -set(PNGLIB_RELEASE 34) -set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR}) -set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE}) - -# needed packages -find_package(ZLIB REQUIRED) -if(NOT WIN32) - find_library(M_LIBRARY - NAMES m - PATHS /usr/lib /usr/local/lib - ) - if(NOT M_LIBRARY) - message(STATUS - "math library 'libm' not found - floating point support disabled") - endif(NOT M_LIBRARY) -else(NOT WIN32) - # not needed on windows - set(M_LIBRARY "") -endif(NOT WIN32) - - -# COMMAND LINE OPTIONS -option(PNG_SHARED "Build shared lib" YES) -option(PNG_STATIC "Build static lib" YES) -if(MINGW) - option(PNG_TESTS "Build pngtest" NO) -else(MINGW) - option(PNG_TESTS "Build pngtest" YES) -endif(MINGW) -option(PNG_NO_CONSOLE_IO "FIXME" YES) -option(PNG_NO_STDIO "FIXME" YES) -option(PNG_DEBUG "Build with debug output" YES) -option(PNGARG "FIXME" YES) -#TODO: -# PNG_CONSOLE_IO_SUPPORTED - -# maybe needs improving, but currently I don't know when we can enable what :) -set(png_asm_tmp "OFF") -if(NOT WIN32) - find_program(uname_executable NAMES uname PATHS /bin /usr/bin /usr/local/bin) - if(uname_executable) - EXEC_PROGRAM(${uname_executable} ARGS --machine OUTPUT_VARIABLE uname_output) - if("uname_output" MATCHES "^.*i[1-9]86.*$") - set(png_asm_tmp "ON") - else("uname_output" MATCHES "^.*i[1-9]86.*$") - set(png_asm_tmp "OFF") - endif("uname_output" MATCHES "^.*i[1-9]86.*$") - endif(uname_executable) -else(NOT WIN32) - # this env var is normally only set on win64 - SET(TEXT "ProgramFiles(x86)") - if("$ENV{${TEXT}}" STREQUAL "") - set(png_asm_tmp "ON") - endif("$ENV{${TEXT}}" STREQUAL "") -endif(NOT WIN32) - -# SET LIBNAME -# msvc does not append 'lib' - do it here to have consistent name -if(MSVC) - set(PNG_LIB_NAME lib) -endif(MSVC) -set(PNG_LIB_NAME ${PNG_LIB_NAME}png${PNGLIB_MAJOR}${PNGLIB_MINOR}) - -# to distinguish between debug and release lib -set(CMAKE_DEBUG_POSTFIX "d") - - -# OUR SOURCES -set(libpng_sources - png.h - pngconf.h - png.c - pngerror.c - pngget.c - pngmem.c - pngpread.c - pngread.c - pngrio.c - pngrtran.c - pngrutil.c - pngset.c - pngtrans.c - pngwio.c - pngwrite.c - pngwtran.c - pngwutil.c -) -set(pngtest_sources - pngtest.c -) -# SOME NEEDED DEFINITIONS -if(MSVC) - add_definitions(-DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE) -endif(MSVC) - -add_definitions(-DZLIB_DLL) - -add_definitions(-DLIBPNG_NO_MMX) -add_definitions(-DPNG_NO_MMX_CODE) - -if(PNG_CONSOLE_IO_SUPPORTED) - add_definitions(-DPNG_CONSOLE_IO_SUPPORTED) -endif(PNG_CONSOLE_IO_SUPPORTED) - -if(PNG_NO_CONSOLE_IO) - add_definitions(-DPNG_NO_CONSOLE_IO) -endif(PNG_NO_CONSOLE_IO) - -if(PNG_NO_STDIO) - add_definitions(-DPNG_NO_STDIO) -endif(PNG_NO_STDIO) - -if(PNG_DEBUG) - add_definitions(-DPNG_DEBUG) -endif(PNG_DEBUG) - -if(NOT M_LIBRARY AND NOT WIN32) - add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED) -endif(NOT M_LIBRARY AND NOT WIN32) - -# NOW BUILD OUR TARGET -include_directories(${PNG_SOURCE_DIR} ${ZLIB_INCLUDE_DIR}) - -if(PNG_SHARED) - add_library(${PNG_LIB_NAME} SHARED ${libpng_sources}) - target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY}) -endif(PNG_SHARED) -if(PNG_STATIC) -# does not work without changing name - set(PNG_LIB_NAME_STATIC ${PNG_LIB_NAME}_static) - add_library(${PNG_LIB_NAME_STATIC} STATIC ${libpng_sources}) -endif(PNG_STATIC) - -if(PNG_SHARED AND WIN32) - set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL) -endif(PNG_SHARED AND WIN32) - -if(PNG_TESTS) -# does not work with msvc due to png_lib_ver issue - add_executable(pngtest ${pngtest_sources}) - target_link_libraries(pngtest ${PNG_LIB_NAME}) -# add_test(pngtest ${PNG_SOURCE_DIR}/pngtest.png) -endif(PNG_TESTS) - - -# CREATE PKGCONFIG FILES -# we use the same files like ./configure, so we have to set its vars -set(prefix ${CMAKE_INSTALL_PREFIX}) -set(exec_prefix ${CMAKE_INSTALL_PREFIX}) -set(libdir ${CMAKE_INSTALL_PREFIX}/lib) -set(includedir ${CMAKE_INSTALL_PREFIX}/include) - -configure_file(${PNG_SOURCE_DIR}/scripts/libpng.pc.in - ${PNG_BINARY_DIR}/libpng.pc) -configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in - ${PNG_BINARY_DIR}/libpng-config) -configure_file(${PNG_SOURCE_DIR}/scripts/libpng.pc.in - ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc) -configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in - ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config) - -# SET UP LINKS -set_target_properties(${PNG_LIB_NAME} PROPERTIES -# VERSION 0.${PNGLIB_RELEASE}.1.2.34 - VERSION 0.${PNGLIB_RELEASE}.0 - SOVERSION 0 - CLEAN_DIRECT_OUTPUT 1) -if(NOT WIN32) - # that's uncool on win32 - it overwrites our static import lib... - set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES - OUTPUT_NAME ${PNG_LIB_NAME} - CLEAN_DIRECT_OUTPUT 1) -endif(NOT WIN32) -# INSTALL -install_targets(/lib ${PNG_LIB_NAME}) -if(PNG_STATIC) - install_targets(/lib ${PNG_LIB_NAME_STATIC}) -endif(PNG_STATIC) - -install(FILES png.h pngconf.h DESTINATION include) -install(FILES png.h pngconf.h DESTINATION include/${PNGLIB_NAME}) -install(FILES libpng.3 libpngpf.3 DESTINATION man/man3) -install(FILES png.5 DESTINATION man/man5) -install(FILES ${PNG_BINARY_DIR}/libpng.pc DESTINATION lib/pkgconfig) -install(FILES ${PNG_BINARY_DIR}/libpng-config DESTINATION bin) -install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc DESTINATION lib/pkgconfig) -install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config DESTINATION bin) - -# what's with libpng.txt and all the extra files? - - -# UNINSTALL -# do we need this? - - -# DIST -# do we need this? - -# to create msvc import lib for mingw compiled shared lib -# pexports libpng.dll > libpng.def -# lib /def:libpng.def /machine:x86 - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/SCOPTIONS.ppc b/Build/source/libs/libpng/libpng-1.2.34/scripts/SCOPTIONS.ppc deleted file mode 100644 index 2c3503e9eb2..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/SCOPTIONS.ppc +++ /dev/null @@ -1,7 +0,0 @@ -OPTIMIZE -OPTPEEP -OPTTIME -OPTSCHED -AUTOREGISTER -PARMS=REGISTERS -INCLUDEDIR=hlp:ppc/include diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/descrip.mms b/Build/source/libs/libpng/libpng-1.2.34/scripts/descrip.mms deleted file mode 100644 index 3584b0d7827..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/descrip.mms +++ /dev/null @@ -1,52 +0,0 @@ - -cc_defs = /inc=$(ZLIBSRC) -c_deb = - -.ifdef __DECC__ -pref = /prefix=all -.endif - - - -OBJS = png.obj, pngset.obj, pngget.obj, pngrutil.obj, pngtrans.obj,\ - pngwutil.obj, pngread.obj, pngmem.obj, pngwrite.obj, pngrtran.obj,\ - pngwtran.obj, pngrio.obj, pngwio.obj, pngerror.obj, pngpread.obj - - -CFLAGS= $(C_DEB) $(CC_DEFS) $(PREF) - -all : pngtest.exe libpng.olb - @ write sys$output " pngtest available" - -libpng.olb : libpng.olb($(OBJS)) - @ write sys$output " Libpng available" - - -pngtest.exe : pngtest.obj libpng.olb - link pngtest,libpng.olb/lib,$(ZLIBSRC)libz.olb/lib - -test : pngtest.exe - run pngtest - -clean : - delete *.obj;*,*.exe;* - - -# Other dependencies. -png.obj : png.h, pngconf.h -pngpread.obj : png.h, pngconf.h -pngset.obj : png.h, pngconf.h -pngget.obj : png.h, pngconf.h -pngread.obj : png.h, pngconf.h -pngrtran.obj : png.h, pngconf.h -pngrutil.obj : png.h, pngconf.h -pngerror.obj : png.h, pngconf.h -pngmem.obj : png.h, pngconf.h -pngrio.obj : png.h, pngconf.h -pngwio.obj : png.h, pngconf.h -pngtest.obj : png.h, pngconf.h -pngtrans.obj : png.h, pngconf.h -pngwrite.obj : png.h, pngconf.h -pngwtran.obj : png.h, pngconf.h -pngwutil.obj : png.h, pngconf.h - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/libpng-config-body.in b/Build/source/libs/libpng/libpng-1.2.34/scripts/libpng-config-body.in deleted file mode 100755 index b466432d546..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/libpng-config-body.in +++ /dev/null @@ -1,96 +0,0 @@ - -usage() -{ - cat < libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo libdir=\"$(LIBPATH)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo R_opts=\"-R$(LIBPATH)\"; \ - echo ccopts=\"-xtarget=ultra\"; \ - echo ldopts=\"-xtarget=ultra\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - @case "`type ld`" in *ucb*) \ - echo; \ - echo '## WARNING:'; \ - echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \ - echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \ - echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \ - echo '## The environment variable LD_LIBRARY_PATH should not be set'; \ - echo '## at all. If it is, things are likely to break because of'; \ - echo '## the libucb dependency that is created.'; \ - echo; \ - ;; \ - esac - $(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(LIBSOMAJ) \ - -o $(LIBSOVER) $(OBJSDLL) - -$(OLDSOVER): $(OBJSDLL) - $(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(OLDSOMAJ) \ - -o $(OLDSOVER) $(OBJSDLL) - -pngtest: pngtest.o $(LIBSO) - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOMAJ).$(PNGVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) $(SUN_CC_FLAGS) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -o pngtestd -L$(DL) -R$(DL) `$(BINPATH)/$(LIBNAME)-config --ldflags` \ - $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) - ./pngtestd pngtest.png - -test-installed: - echo - echo Testing installed dynamic shared library. - $(CC) $(SUN_CC_FLAGS) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` \ - $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \ - libpng-config $(LIBSO) $(LIBSOMAJ)* \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h -pngerror.o pngerror.pic.o: png.h pngconf.h -pngrio.o pngrio.pic.o: png.h pngconf.h -pngwio.o pngwio.pic.o: png.h pngconf.h -pngmem.o pngmem.pic.o: png.h pngconf.h -pngset.o pngset.pic.o: png.h pngconf.h -pngget.o pngget.pic.o: png.h pngconf.h -pngread.o pngread.pic.o: png.h pngconf.h -pngrtran.o pngrtran.pic.o: png.h pngconf.h -pngrutil.o pngrutil.pic.o: png.h pngconf.h -pngtrans.o pngtrans.pic.o: png.h pngconf.h -pngwrite.o pngwrite.pic.o: png.h pngconf.h -pngwtran.o pngwtran.pic.o: png.h pngconf.h -pngwutil.o pngwutil.pic.o: png.h pngconf.h -pngpread.o pngpread.pic.o: png.h pngconf.h - -pngtest.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.64sunu b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.64sunu deleted file mode 100644 index 9c91b5c04fc..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.64sunu +++ /dev/null @@ -1,254 +0,0 @@ -# makefile for libpng on Solaris 2.x with cc -# Contributed by William L. Sebok, based on makefile.linux -# Copyright (C) 2002, 2006 Glenn Randers-Pehrson -# Copyright (C) 1998 Greg Roelofs -# Copyright (C) 1996, 1997 Andreas Dilger -# For conditions of distribution and use, see copyright notice in png.h - -# Library name: -LIBNAME=libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).so -LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) -LIBSOVER=$(LIBNAME).so.$(PNGVER) -OLDSO=libpng.so -OLDSOMAJ=libpng.so.3 -OLDSOVER=libpng.so.3.$(PNGMIN) - -# Utilities: -CC=cc -AR_RC=ar rc -MKDIR_P=mkdir -p -LN_SF=ln -f -s -RANLIB=echo -RM_F=/bin/rm -f - -SUN_CC_FLAGS=-fast -xtarget=ultra -xarch=v9 -SUN_LD_FLAGS=-fast -xtarget=ultra -xarch=v9 - -# where make install puts libpng.a, libpng12.so and libpng12/png.h -prefix=/a -exec_prefix=$(prefix) - -# Where the zlib library and include files are located -# Changing these to ../zlib poses a security risk. If you want -# to have zlib in an adjacent directory, specify the full path instead of "..". -#ZLIBLIB=../zlib -#ZLIBINC=../zlib - -ZLIBLIB=/usr/lib -ZLIBINC=/usr/include - -WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes #-Wconversion -CFLAGS=-I$(ZLIBINC) $(SUN_CC_FLAGS) \ - # $(WARNMORE) -g -DPNG_DEBUG=5 -LDFLAGS=-L. -R. $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) -KPIC -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo libdir=\"$(LIBPATH)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo R_opts=\"-R$(LIBPATH)\"; \ - echo ccopts=\"-xtarget=ultra -xarch=v9\"; \ - echo ldopts=\"-xtarget=ultra -xarch=v9\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - @case "`type ld`" in *ucb*) \ - echo; \ - echo '## WARNING:'; \ - echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \ - echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \ - echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \ - echo '## The environment variable LD_LIBRARY_PATH should not be set'; \ - echo '## at all. If it is, things are likely to break because of'; \ - echo '## the libucb dependency that is created.'; \ - echo; \ - ;; \ - esac - $(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(LIBSOMAJ) \ - -o $(LIBSOVER) $(OBJSDLL) - -$(OLDSOVER): $(OBJSDLL) - $(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(OLDSOMAJ) \ - -o $(OLDSOVER) $(OBJSDLL) - -pngtest: pngtest.o $(LIBSO) - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOMAJ).$(PNGVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) $(SUN_CC_FLAGS) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -o pngtestd -L$(DL) -R$(DL) `$(BINPATH)/$(LIBNAME)-config --ldflags` \ - $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) - ./pngtestd pngtest.png - -test-installed: - echo - echo Testing installed dynamic shared library. - $(CC) $(SUN_CC_FLAGS) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` \ - $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \ - libpng-config $(LIBSO) $(LIBSOMAJ)* \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h -pngerror.o pngerror.pic.o: png.h pngconf.h -pngrio.o pngrio.pic.o: png.h pngconf.h -pngwio.o pngwio.pic.o: png.h pngconf.h -pngmem.o pngmem.pic.o: png.h pngconf.h -pngset.o pngset.pic.o: png.h pngconf.h -pngget.o pngget.pic.o: png.h pngconf.h -pngread.o pngread.pic.o: png.h pngconf.h -pngrtran.o pngrtran.pic.o: png.h pngconf.h -pngrutil.o pngrutil.pic.o: png.h pngconf.h -pngtrans.o pngtrans.pic.o: png.h pngconf.h -pngwrite.o pngwrite.pic.o: png.h pngconf.h -pngwtran.o pngwtran.pic.o: png.h pngconf.h -pngwutil.o pngwutil.pic.o: png.h pngconf.h -pngpread.o pngpread.pic.o: png.h pngconf.h - -pngtest.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.acorn b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.acorn deleted file mode 100644 index 470cf89b161..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.acorn +++ /dev/null @@ -1,51 +0,0 @@ -# Project: libpng - - -# Toolflags: -CCflags = -c -depend !Depend -IC:,Zlib: -g -throwback -DRISCOS -fnah -C++flags = -c -depend !Depend -IC: -throwback -Linkflags = -aif -c++ -o $@ -ObjAsmflags = -throwback -NoCache -depend !Depend -CMHGflags = -LibFileflags = -c -l -o $@ -Squeezeflags = -o $@ - - -# Final targets: -@.libpng-lib: @.o.png @.o.pngerror @.o.pngrio @.o.pngwio @.o.pngmem \ - @.o.pngpread @.o.pngset @.o.pngget @.o.pngread @.o.pngrtran \ - @.o.pngrutil @.o.pngtrans @.o.pngwrite @.o.pngwtran @.o.pngwutil - LibFile $(LibFileflags) @.o.png @.o.pngerror @.o.pngrio @.o.pngrtran \ - @.o.pngmem @.o.pngpread @.o.pngset @.o.pngget @.o.pngread @.o.pngwio \ - @.o.pngrutil @.o.pngtrans @.o.pngwrite @.o.pngwtran @.o.pngwutil -@.mm-libpng-lib: @.mm.png @.mm.pngerror @.mm.pngrio @.mm.pngwio @.mm.pngmem \ - @.mm.pngpread @.mm.pngset @.mm.pngget @.mm.pngread @.mm.pngrtran \ - @.mm.pngrutil @.mm.pngtrans @.mm.pngwrite @.mm.pngwtran @.mm.pngwutil - LibFile $(LibFileflags) @.mm.png @.mm.pngerror @.mm.pngrio \ - @.mm.pngwio @.mm.pngmem @.mm.pngpread @.mm.pngset @.mm.pngget \ - @.mm.pngread @.mm.pngrtran @.mm.pngrutil @.mm.pngtrans @.mm.pngwrite \ - @.mm.pngwtran @.mm.pngwutil - - -# User-editable dependencies: -# (C) Copyright 1997 Tom Tanner -Test: @.pngtest - .pngtest - @remove .pngtest - -#It would be nice if you could stop "make" listing from here on! -@.pngtest: @.o.pngtest @.libpng-lib C:o.Stubs Zlib:zlib_lib - Link $(Linkflags) @.o.pngtest @.libpng-lib C:o.Stubs Zlib:zlib_lib - -.SUFFIXES: .o .mm .c - -.c.mm: - MemCheck.CC cc $(ccflags) -o $@ LibPng:$< -.c.o: - cc $(ccflags) -o $@ $< - - -# Static dependencies: - - -# Dynamic dependencies: diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.aix b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.aix deleted file mode 100644 index 958425efaec..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.aix +++ /dev/null @@ -1,113 +0,0 @@ -# makefile for libpng using gcc (generic, static library) -# Copyright (C) 2002, 2006, 2008 Glenn Randers-Pehrson -# Copyright (C) 2000 Cosmin Truta -# Copyright (C) 2000 Marc O. Gloor (AIX support added, from makefile.gcc) -# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. -# For conditions of distribution and use, see copyright notice in png.h - -# Location of the zlib library and include files -ZLIBINC = ../zlib -ZLIBLIB = ../zlib - -# Compiler, linker, lib and other tools -CC = gcc -LD = $(CC) -AR_RC = ar rcs -MKDIR_P = mkdir -p -RANLIB = ranlib -RM_F = rm -f -LN_SF = ln -f -s - -LIBNAME=libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -prefix=/usr/local -INCPATH=$(prefix)/include -LIBPATH=$(prefix)/lib - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) - -CDEBUG = -g -DPNG_DEBUG=5 -LDDEBUG = -CRELEASE = -O2 -LDRELEASE = -s -WARNMORE=-W -Wall -CFLAGS = -I$(ZLIBINC) $(WARNMORE) $(CRELEASE) -LDFLAGS = -L. -L$(ZLIBLIB) -lpng12 -lz -lm $(LDRELEASE) - -# File extensions -O=.o -A=.a -E= - -# Variables -OBJS = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O) \ - pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) pngset$(O) \ - pngtrans$(O) pngwio$(O) pngwrite$(O) pngwtran$(O) pngwutil$(O) - -# Targets -all: $(LIBNAME)$(A) pngtest$(E) - -$(LIBNAME)$(A): $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -test: pngtest$(E) - ./pngtest$(E) - -pngtest$(E): pngtest$(O) $(LIBNAME)$(A) - $(LD) -o $@ pngtest$(O) $(LDFLAGS) - -install: $(LIBNAME)$(A) - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DI)/$(LIBNAME)/png.h - -@$(RM_F) $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h - -@$(RM_F) $(DI)/pngconf.h - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h \ - $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) -r $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -@$(RM_F) $(DL)/$(LIBNAME)$(A) - -@$(RM_F) $(DL)/libpng$(A) - cp $(LIBNAME)$(A) $(DL)/$(LIBNAME)$(A) - chmod 644 $(DL)/$(LIBNAME)$(A) - (cd $(DL); $(LN_SF) $(LIBNAME)$(A) libpng$(A)) - (cd $(DI); $(LN_SF) libpng/* .;) - -clean: - $(RM_F) *.o $(LIBNAME)$(A) pngtest pngout.png - -png$(O): png.h pngconf.h -pngerror$(O): png.h pngconf.h -pngget$(O): png.h pngconf.h -pngmem$(O): png.h pngconf.h -pngpread$(O): png.h pngconf.h -pngread$(O): png.h pngconf.h -pngrio$(O): png.h pngconf.h -pngrtran$(O): png.h pngconf.h -pngrutil$(O): png.h pngconf.h -pngset$(O): png.h pngconf.h -pngtest$(O): png.h pngconf.h -pngtrans$(O): png.h pngconf.h -pngwio$(O): png.h pngconf.h -pngwrite$(O): png.h pngconf.h -pngwtran$(O): png.h pngconf.h -pngwutil$(O): png.h pngconf.h - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.amiga b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.amiga deleted file mode 100644 index 79cb42499fb..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.amiga +++ /dev/null @@ -1,48 +0,0 @@ -# Commodore Amiga Makefile -# makefile for libpng and SAS C V6.5x compiler -# Copyright (C) 1995-2000 Wolf Faust -# For conditions of distribution and use, see copyright notice in png.h -# -# Note: Use #define PNG_READ_BIG_ENDIAN_SUPPORTED in pngconf.h -# -# Location/path of zlib include files -ZLIB=/zlib -#compiler -CC=sc -#compiler flags -# WARNING: a bug in V6.51 causes bad code with OPTGO -# So use V6.55 or set NOOPTGO!!!!!!!!! -CFLAGS= NOSTKCHK PARMS=REG OPTIMIZE OPTGO OPTPEEP OPTINLOCAL OPTINL\ - OPTLOOP OPTRDEP=4 OPTDEP=4 OPTCOMP=4 INCLUDEDIR=$(ZLIB) \ - DEFINE=PNG_INTERNAL -#linker flags -LDFLAGS= SD ND BATCH -#link libs -LDLIBS= libpng.lib libgz.lib LIB:scm.lib LIB:sc.lib Lib:amiga.lib -# linker -LN= slink -# file deletion command -RM= delete quiet -# library (.lib) file creation command -AR= oml -# make directory command -MKDIR= makedir - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -all: libpng.lib pngtest - -libpng.lib: $(OBJS) --$(RM) libpng.lib -$(AR) libpng.lib r $(OBJS) - -pngtest: pngtest.o libpng.lib -$(LN) libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo libs=\"-lpng12 -lz \"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - cp $(LIBSO)* /boot/home/config/lib - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - $(CC) -nostart -Wl,-soname,$(LIBSOMAJ) -o \ - $(LIBSOVER) $(OBJSDLL) $(LDFLAGS) - -$(OLDSOVER): $(OBJSDLL) - $(CC) -nostart -Wl,-soname,$(OLDSOMAJ) -o \ - $(OLDSOVER) $(OBJSDLL) $(LDFLAGS) - -pngtest: pngtest.o $(LIBSO) - $(CC) -L$(ZLIBLIB) -L. -lz -lpng12 -o pngtest pngtest.o - -test: pngtest - ./pngtest - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) $(CFLAGS) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) -Wl,-rpath $(ZLIBLIB):$(DL) \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - $(CC) $(CFLAGS) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \ - $(LIBSO) $(LIBSOMAJ)* pngtesti \ - $(OLDSOVER) \ - libpng.pc - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h -pngerror.o pngerror.pic.o: png.h pngconf.h -pngrio.o pngrio.pic.o: png.h pngconf.h -pngwio.o pngwio.pic.o: png.h pngconf.h -pngmem.o pngmem.pic.o: png.h pngconf.h -pngset.o pngset.pic.o: png.h pngconf.h -pngget.o pngget.pic.o: png.h pngconf.h -pngread.o pngread.pic.o: png.h pngconf.h -pngrtran.o pngrtran.pic.o: png.h pngconf.h -pngrutil.o pngrutil.pic.o: png.h pngconf.h -pngtrans.o pngtrans.pic.o: png.h pngconf.h -pngwrite.o pngwrite.pic.o: png.h pngconf.h -pngwtran.o pngwtran.pic.o: png.h pngconf.h -pngwutil.o pngwutil.pic.o: png.h pngconf.h -pngpread.o pngpread.pic.o: png.h pngconf.h -pngtest.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.bor b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.bor deleted file mode 100644 index a5651aa3f8f..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.bor +++ /dev/null @@ -1,162 +0,0 @@ -# Makefile for libpng -# 16-bit Borland C++ (Note: All modules are compiled in C mode) -# To build the library, do: -# "make -fmakefile.bor -DMODEL=c" -# or: "make -fmakefile.bor -DMODEL=l" -# -# ------------ Borland C++ ------------ - -### Absolutely necessary for this makefile to work -.AUTODEPEND - -## Where zlib.h, zconf.h and zlib_MODEL.lib are -ZLIB_DIR=..\zlib - - -## Compiler, linker and lib stuff -CC=bcc -LD=bcc -LIB=tlib - -!ifndef MODEL -MODEL=l -!endif - -MODEL_ARG=-m$(MODEL) - -#TARGET_CPU=3 -# 2 = 286, 3 = 386, etc. -!ifndef TARGET_CPU -TARGET_CPU=2 -!endif - -# Use this if you don't want Borland's fancy exception handling -# (for Borland C++ 4.0 or later) -#NOEHLIB=noeh$(MODEL).lib - -!ifdef DEBUG -CDEBUG=-v -LDEBUG=-v -!else -CDEBUG= -LDEBUG= -!endif - -# STACKOFLOW=1 -!ifdef STACKOFLOW -CDEBUG=$(CDEBUG) -N -LDEBUG=$(LDEBUG) -N -!endif - -# -X- turn on dependency generation in the object file -# -w set all warnings on -# -O2 optimize for speed -# -Z global optimization -CFLAGS=-O2 -Z -X- -w -I$(ZLIB_DIR) -$(TARGET_CPU) $(MODEL_ARG) $(CDEBUG) - -# -M generate map file -LDFLAGS=-M -L$(ZLIB_DIR) $(MODEL_ARG) $(LDEBUG) - - -## Variables -OBJS = \ - png.obj \ - pngerror.obj \ - pngget.obj \ - pngmem.obj \ - pngpread.obj \ - pngread.obj \ - pngrio.obj \ - pngrtran.obj \ - pngrutil.obj \ - pngset.obj \ - pngtrans.obj \ - pngwio.obj \ - pngwrite.obj \ - pngwtran.obj \ - pngwutil.obj - -LIBOBJS = \ - +png.obj \ - +pngerror.obj \ - +pngget.obj \ - +pngmem.obj \ - +pngpread.obj \ - +pngread.obj \ - +pngrio.obj \ - +pngrtran.obj \ - +pngrutil.obj \ - +pngset.obj \ - +pngtrans.obj \ - +pngwio.obj \ - +pngwrite.obj \ - +pngwtran.obj \ - +pngwutil.obj - -LIBNAME=libpng$(MODEL).lib - - -## Implicit rules -# Braces let make "batch" calls to the compiler, -# 2 calls instead of 12; space is important. -.c.obj: - $(CC) $(CFLAGS) -c {$*.c } - -.c.exe: - $(CC) $(CFLAGS) $(LDFLAGS) $*.c $(LIBNAME) zlib_$(MODEL).lib $(NOEHLIB) - - -## Major targets -all: libpng pngtest - -libpng: $(LIBNAME) - -pngtest: pngtest$(MODEL).exe - -test: pngtest$(MODEL).exe - pngtest$(MODEL) - - -## Minor Targets - -png.obj: png.c -pngerror.obj: pngerror.c -pngget.obj: pngget.c -pngmem.obj: pngmem.c -pngpread.obj: pngpread.c -pngread.obj: pngread.c -pngrio.obj: pngrio.c -pngrtran.obj: pngrtran.c -pngrutil.obj: pngrutil.c -pngset.obj: pngset.c -pngtrans.obj: pngtrans.c -pngwio.obj: pngwio.c -pngwrite.obj: pngwrite.c -pngwtran.obj: pngwtran.c -pngwutil.obj: pngwutil.c - - -$(LIBNAME): $(OBJS) - -del $(LIBNAME) - $(LIB) $(LIBNAME) @&&| -$(LIBOBJS), libpng$(MODEL) -| - - -pngtest$(MODEL).obj: pngtest.c - $(CC) $(CFLAGS) -opngtest$(MODEL) -c pngtest.c - -pngtest$(MODEL).exe: pngtest$(MODEL).obj - $(LD) $(LDFLAGS) pngtest$(MODEL).obj $(LIBNAME) zlib_$(MODEL).lib $(NOEHLIB) - - -# Clean up anything else you want -clean: - -del *.obj - -del *.exe - -del *.lib - -del *.lst - -del *.map - - -# End of makefile for libpng diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.cygwin b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.cygwin deleted file mode 100644 index f780d04cad4..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.cygwin +++ /dev/null @@ -1,299 +0,0 @@ -# makefile for cygwin on x86 -# Builds both dll (with import lib) and static lib versions -# of the library, and builds two copies of pngtest: one -# statically linked and one dynamically linked. -# -# Copyright (C) 2002, 2006-2008 Soren Anderson, Charles Wilson, -# and Glenn Randers-Pehrson, based on makefile for linux-elf w/mmx by: -# Copyright (C) 1998-2000 Greg Roelofs -# Copyright (C) 1996, 1997 Andreas Dilger -# For conditions of distribution and use, see copyright notice in png.h - -# This makefile intends to support building outside the src directory -# if desired. When invoking it, specify an argument to SRCDIR on the -# command line that points to the top of the directory where your source -# is located. - -ifdef SRCDIR -VPATH = $(SRCDIR) -else -SRCDIR = . -endif - -# Override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. - -DESTDIR= - -CC=gcc -ifdef MINGW -MINGW_CCFLAGS=-mno-cygwin -I/usr/include/mingw -MINGW_LDFLAGS=-mno-cygwin -L/usr/lib/mingw -endif - -# Where "make install" puts libpng*.a, *png*.dll, png.h, and pngconf.h -ifndef prefix -prefix=/usr -$(warning You haven't specified a 'prefix=' location. Defaulting to "/usr") -endif -exec_prefix=$(prefix) - -# Where the zlib library and include files are located -ZLIBLIB= /usr/lib -ZLIBINC= -#ZLIBLIB=../zlib -#ZLIBINC=../zlib - -ALIGN= -# for i386: -#ALIGN=-malign-loops=2 -malign-functions=2 - -WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes #-Wconversion - -### if you don't need thread safety, but want the asm accel -#CFLAGS= $(strip $(MINGW_CCFLAGS) -DPNG_THREAD_UNSAFE_OK \ -# $(addprefix -I,$(ZLIBINC)) -W -Wall -O $(ALIGN) -funroll-loops \ -# -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5 -### if you need thread safety and want (minimal) asm accel -#CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \ -# -W -Wall -O $(ALIGN) -funroll-loops \ -# -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5 -### Normal (non-asm) compilation -CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \ - -W -Wall -O3 $(ALIGN) -funroll-loops -DPNG_NO_MMX_CODE \ - -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5 - -LIBNAME = libpng12 -PNGMAJ = 0 -CYGDLL = 12 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -SHAREDLIB=cygpng$(CYGDLL).dll -STATLIB=libpng.a -IMPLIB=libpng.dll.a -SHAREDDEF=libpng.def -LIBS=$(SHAREDLIB) $(STATLIB) -EXE=.exe - -LDFLAGS=$(strip -L. $(MINGW_LDFLAGS) -lpng $(addprefix -L,$(ZLIBLIB)) -lz) -LDSFLAGS=$(strip -shared -L. $(MINGW_LDFLAGS) -Wl,--export-all) -LDEXTRA=-Wl,--out-implib=$(IMPLIB) $(addprefix -L,$(ZLIBLIB)) -lz - -MKDIR_P=/bin/mkdir -pv -RANLIB=ranlib -#RANLIB=echo - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib - -BINPATH=$(exec_prefix)/bin -MANPATH=$(prefix)/man -MAN3PATH=$(MANPATH)/man3 -MAN5PATH=$(MANPATH)/man5 - -# cosmetic: shortened strings: -S =$(SRCDIR) -D =$(DESTDIR) -DB =$(D)$(BINPATH) -DI =$(D)$(INCPATH) -DL =$(D)$(LIBPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -%.o : %.c - $(CC) -c $(CFLAGS) -o $@ $< -%.pic.o : CFLAGS += -DPNG_BUILD_DLL -%.pic.o : %.c - $(CC) -c $(CFLAGS) -o $@ $< - -all: all-static all-shared libpng.pc libpng-config libpng.pc libpng-config - -# Make this to verify that "make [...] install" will do what you want. -buildsetup-tell: - @echo VPATH is set to: \"$(VPATH)\" - @echo prefix is set to: \"$(prefix)\" - @echo -e INCPATH,LIBPATH, etc. are set to:'\n' \ - $(addprefix $(D),$(INCPATH)'\n' $(LIBPATH)'\n' $(BINPATH)'\n' \ - $(MANPATH)'\n' $(MAN3PATH)'\n' $(MAN5PATH)'\n')'\n' - -libpng.pc: scripts/libpng.pc.in - @echo -e Making pkg-config file for this libpng installation..'\n' \ - using PREFIX=\"$(prefix)\"'\n' - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz! > libpng.pc - -libpng-config: scripts/libpng-config-head.in scripts/libpng-config-body.in - @echo -e Making $(LIBNAME) libpng-config file for this libpng \ - installation..'\n' using PREFIX=\"$(prefix)\"'\n' - ( cat $(S)/scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo libs=\"-lpng$(CYGDLL) -lz\"; \ - cat $(S)/scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -static: all-static -shared: all-shared -all-static: $(STATLIB) pngtest-stat$(EXE) -all-shared: $(SHAREDLIB) pngtest$(EXE) - -$(STATLIB): $(OBJS) - ar rc $@ $(OBJS) - $(RANLIB) $@ - -$(SHAREDDEF): scripts/pngw32.def - cat $< | sed -e '1{G;s/^\(.*\)\(\n\)/EXPORTS/;};2,/^EXPORTS/d' | \ - sed -e 's/\([^;]*\);/;/' > $@ - -$(SHAREDLIB): $(OBJSDLL) $(SHAREDDEF) - $(CC) $(LDSFLAGS) -o $@ $(OBJSDLL) -L. $(LDEXTRA) - -pngtest$(EXE): pngtest.pic.o $(SHAREDLIB) - $(CC) $(CFLAGS) $< $(LDFLAGS) -o $@ - -pngtest-stat$(EXE): pngtest.o $(STATLIB) - $(CC) -static $(CFLAGS) $< $(LDFLAGS) -o $@ - -pngtest.pic.o: pngtest.c - $(CC) $(CFLAGS) -c $< -o $@ - -pngtest.o: pngtest.c - $(CC) $(CFLAGS) -c $< -o $@ - -test: test-static test-shared - -test-static: pngtest-stat$(EXE) - ./pngtest-stat $(S)/pngtest.png - -test-shared: pngtest$(EXE) - ./pngtest $(S)/pngtest.png - -install-static: $(STATLIB) install-headers install-man - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - install -m 644 $(STATLIB) $(DL)/$(LIBNAME).a - -@rm -f $(DL)/$(STATLIB) - (cd $(DL); ln -sf $(LIBNAME).a $(STATLIB)) - -install-shared: $(SHAREDLIB) libpng.pc libpng-config install-headers install-man - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc - -@/bin/rm -f $(DL)/pkgconfig/libpng.pc - install -m 644 $(IMPLIB) $(DL)/$(LIBNAME).dll.a - -@rm -f $(DL)/$(IMPLIB) - (cd $(DL); ln -sf $(LIBNAME).dll.a $(IMPLIB)) - install -s -m 755 $(SHAREDLIB) $(DB) - install -m 644 libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc) - -install-headers: - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - -@rm -f $(DI)/png.h - -@rm -f $(DI)/pngconf.h - install -m 644 $(S)/png.h $(S)/pngconf.h $(DI)/$(LIBNAME) - -@rm -f $(DI)/libpng - (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .) - -install-man: - -@if [ ! -d $(D)$(MAN3PATH) ]; then $(MKDIR_P) $(D)$(MAN3PATH); fi - -@if [ ! -d $(D)$(MAN5PATH) ]; then $(MKDIR_P) $(D)$(MAN5PATH); fi - install -m 644 $(S)/libpngpf.3 $(S)/libpng.3 $(D)$(MAN3PATH) - install -m 644 $(S)/png.5 $(D)$(MAN5PATH) - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@/bin/rm -f $(DB)/libpng-config - -@/bin/rm -f $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); ln -sf $(LIBNAME)-config libpng-config) - -# Run this to verify that a future `configure' run will pick up the settings -# you want. -test-config-install: SHELL=/bin/bash -test-config-install: $(DB)/libpng-config - @echo -e Testing libpng-config functions...'\n' - @ for TYRA in LDFLAGS CPPFLAGS CFLAGS LIBS VERSION; \ - do \ - printf "(%d)\t %10s =%s\n" $$(($$gytiu + 1)) $$TYRA \ - "$$($(DB)/libpng-config `echo --$$TYRA |tr '[:upper:]' '[:lower:]'`)"; \ - gytiu=$$(( $$gytiu + 1 )); \ - done - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) $(CFLAGS) \ - `$(BINPATH)/libpng12-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) \ - -o pngtestd `$(BINPATH)/libpng12-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - $(CC) $(CFLAGS) \ - `$(BINPATH)/libpng12-config --cflags` pngtest.c \ - -L$(ZLIBLIB) \ - -o pngtesti$(EXE) `$(BINPATH)/libpng12-config --ldflags` - ./pngtesti$(EXE) pngtest.png - -clean: - /bin/rm -f *.pic.o *.o $(STATLIB) $(IMPLIB) $(SHAREDLIB) \ - pngtest-stat$(EXE) pngtest$(EXE) pngout.png $(SHAREDDEF) \ - libpng-config libpng.pc pngtesti$(EXE) - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -.PHONY: buildsetup-tell libpng.pc libpng-config test-config-install clean - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h png.c -pngerror.o pngerror.pic.o: png.h pngconf.h pngerror.c -pngrio.o pngrio.pic.o: png.h pngconf.h pngrio.c -pngwio.o pngwio.pic.o: png.h pngconf.h pngwio.c -pngmem.o pngmem.pic.o: png.h pngconf.h pngmem.c -pngset.o pngset.pic.o: png.h pngconf.h pngset.c -pngget.o pngget.pic.o: png.h pngconf.h pngget.c -pngread.o pngread.pic.o: png.h pngconf.h pngread.c -pngrtran.o pngrtran.pic.o: png.h pngconf.h pngrtran.c -pngrutil.o pngrutil.pic.o: png.h pngconf.h pngrutil.c -pngtrans.o pngtrans.pic.o: png.h pngconf.h pngtrans.c -pngwrite.o pngwrite.pic.o: png.h pngconf.h pngwrite.c -pngwtran.o pngwtran.pic.o: png.h pngconf.h pngwtran.c -pngwutil.o pngwutil.pic.o: png.h pngconf.h pngwutil.c -pngpread.o pngpread.pic.o: png.h pngconf.h pngpread.c - -pngtest.o: png.h pngconf.h pngtest.c -pngtest-stat.o: png.h pngconf.h pngtest.c - - - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.darwin b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.darwin deleted file mode 100644 index f41cd2a4bd1..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.darwin +++ /dev/null @@ -1,234 +0,0 @@ -# makefile for libpng on Darwin / Mac OS X -# Copyright (C) 2002, 2004, 2006, 2008 Glenn Randers-Pehrson -# Copyright (C) 2001 Christoph Pfisterer -# derived from makefile.linux: -# Copyright (C) 1998, 1999 Greg Roelofs -# Copyright (C) 1996, 1997 Andreas Dilger -# For conditions of distribution and use, see copyright notice in png.h - -# where "make install" puts libpng.a, libpng12.dylib, png.h and pngconf.h -prefix=/usr/local -exec_prefix=$(prefix) - -# Where the zlib library and include files are located -#ZLIBLIB=/usr/local/lib -#ZLIBINC=/usr/local/include -ZLIBLIB=../zlib -ZLIBINC=../zlib - -# Library name: -LIBNAME = libpng12 -PNGMAJ = 12 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).dylib -LIBSOMAJ=$(LIBNAME).$(PNGMAJ).dylib -LIBSOVER=$(LIBNAME).$(PNGVER).dylib -OLDSO=libpng.dylib -OLDSOMAJ=libpng.3.dylib -OLDSOVER=libpng.3.$(PNGMIN).dylib - -# Utilities: -CC=cc -AR_RC=ar rc -MKDIR_P=mkdir -p -LN_SF=ln -sf -RANLIB=ranlib -RM_F=/bin/rm -f - -# CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE -CFLAGS=-I$(ZLIBINC) -W -Wall -O -funroll-loops -LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) -fno-common -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo libs=\"-lpng12 -lz\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - $(CC) -dynamiclib \ - -install_name $(LIBPATH)/$(LIBSOMAJ) \ - -current_version 0 -compatibility_version 0 \ - -o $(LIBSOVER) \ - $(OBJSDLL) -L$(ZLIBLIB) -lz - -$(OLDSOVER): $(OBJSDLL) - $(CC) -dynamiclib \ - -install_name $(LIBPATH)/$(OLDSOMAJ) \ - -current_version 3 -compatibility_version 3 \ - -o $(OLDSOVER) \ - $(OBJSDLL) -L$(ZLIBLIB) -lz - -pngtest: pngtest.o $(LIBSO) - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - $(RANLIB) $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSO) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBNAME).$(PNGVER)*.dylib - -@$(RM_F) $(DL)/$(LIBNAME).$(PNGMAJ)*.dylib - -@$(RM_F) $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/libpng.3.$(PNGMIN)*.dylib - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - $(CC) $(CFLAGS) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(ZLIBLIB) \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \ - $(OLDSOVER) \ - libpng.pc $(LIBNAME).*dylib pngtesti - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h -pngerror.o pngerror.pic.o: png.h pngconf.h -pngrio.o pngrio.pic.o: png.h pngconf.h -pngwio.o pngwio.pic.o: png.h pngconf.h -pngmem.o pngmem.pic.o: png.h pngconf.h -pngset.o pngset.pic.o: png.h pngconf.h -pngget.o pngget.pic.o: png.h pngconf.h -pngread.o pngread.pic.o: png.h pngconf.h -pngrtran.o pngrtran.pic.o: png.h pngconf.h -pngrutil.o pngrutil.pic.o: png.h pngconf.h -pngtrans.o pngtrans.pic.o: png.h pngconf.h -pngwrite.o pngwrite.pic.o: png.h pngconf.h -pngwtran.o pngwtran.pic.o: png.h pngconf.h -pngwutil.o pngwutil.pic.o: png.h pngconf.h -pngpread.o pngpread.pic.o: png.h pngconf.h - -pngtest.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.dec b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.dec deleted file mode 100644 index 5c2edbecc4a..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.dec +++ /dev/null @@ -1,214 +0,0 @@ -# makefile for libpng on DEC Alpha Unix -# Copyright (C) 2000-2002, 2006 Glenn Randers-Pehrson -# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. -# For conditions of distribution and use, see copyright notice in png.h - -# Library name: -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) -LIBNAME = libpng12 - -# Shared library names: -LIBSO=$(LIBNAME).so -LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) -LIBSOVER=$(LIBNAME).so.$(PNGVER) -OLDSO=libpng.so -OLDSOMAJ=libpng.so.3 -OLDSOVER=libpng.so.3.$(PNGMIN) - -# Utilities: -AR_RC=ar rc -CC=cc -MKDIR_P=mkdir -LN_SF=ln -f -s -RANLIB=ranlib -RM_F=/bin/rm -f - -# where make install puts libpng.a and png.h -prefix=/usr/local -exec_prefix=$(prefix) -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -# Where the zlib library and include files are located -#ZLIBLIB=/usr/local/lib -#ZLIBINC=/usr/local/include -ZLIBLIB=../zlib -ZLIBINC=../zlib - -CFLAGS=-std -w1 -I$(ZLIBINC) -O # -g -DPNG_DEBUG=1 -LDFLAGS=-L$(ZLIBLIB) -rpath $(ZLIBLIB) libpng.a -lz -lm - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -all: $(LIBSO) libpng.a pngtest libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo ccopts=\"-std\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJS) - $(CC) -shared -o $@ $(OBJS) -L$(ZLIBLIB) \ - -soname $(LIBSOMAJ) - -$(OLDSOVER): $(OBJS) - $(CC) -shared -o $@ $(OBJS) -L$(ZLIBLIB) \ - -soname $(OLDSOMAJ) - -pngtest: pngtest.o libpng.a - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h - -@/bin/rm -f $(DI)/libpng - (cd $(DI); $(LN_SF)(LIBNAME) libpng; $(LN_SF)(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@/bin/rm -f $(DL)/libpng.a - (cd $(DL); $(LN_SF)(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@/bin/rm -f $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@/bin/rm -f $(DL)/$(LIBSOMAJ) - -@/bin/rm -f $(DL)/$(OLDSO) - -@/bin/rm -f $(DL)/$(OLDSOMAJ) - -@/bin/rm -f $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF)(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF)(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc - -@/bin/rm -f $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF)(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@/bin/rm -f $(DM)/man3/libpng.3 - -@/bin/rm -f $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@/bin/rm -f $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@/bin/rm -f $(DB)/libpng-config - -@/bin/rm -f $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF)(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -w1 -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) -R$(ZLIBLIB) -R$(DL) \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - echo - echo Testing installed dynamic shared library. - $(CC) -w1 -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(ZLIBLIB) -R$(ZLIBLIB) \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtesti pngtest.png - -clean: - /bin/rm -f *.o libpng.a pngtest pngtesti pngout.png \ - libpng-config $(LIBSO) $(LIBSOMAJ)* \ - $(OLDSOVER) \ - libpng.pc - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o: png.h pngconf.h -pngerror.o: png.h pngconf.h -pngrio.o: png.h pngconf.h -pngwio.o: png.h pngconf.h -pngmem.o: png.h pngconf.h -pngset.o: png.h pngconf.h -pngget.o: png.h pngconf.h -pngread.o: png.h pngconf.h -pngrtran.o: png.h pngconf.h -pngrutil.o: png.h pngconf.h -pngtest.o: png.h pngconf.h -pngtrans.o: png.h pngconf.h -pngwrite.o: png.h pngconf.h -pngwtran.o: png.h pngconf.h -pngwutil.o: png.h pngconf.h -pngpread.o: png.h pngconf.h - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.dj2 b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.dj2 deleted file mode 100644 index 09045c27557..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.dj2 +++ /dev/null @@ -1,55 +0,0 @@ -# DJGPP (DOS gcc) makefile for libpng -# Copyright (C) 2002 Glenn Randers-Pehrson -# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. -# For conditions of distribution and use, see copyright notice in png.h - -# where make install will put libpng.a and png.h -#prefix=/usr/local -prefix=. -INCPATH=$(prefix)/include -LIBPATH=$(prefix)/lib - -CC=gcc -CFLAGS=-I../zlib -O -LDFLAGS=-L. -L../zlib/ -lpng -lz -lm - -RANLIB=ranlib - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o pngwtran.o \ - pngmem.o pngerror.o pngpread.o - -all: libpng.a pngtest - -libpng.a: $(OBJS) - ar rc $@ $(OBJS) - $(RANLIB) $@ - -pngtest: pngtest.o libpng.a - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - coff2exe pngtest - -test: pngtest - ./pngtest -clean: - rm -f *.o libpng.a pngtest pngout.png - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o: png.h pngconf.h -pngerror.o: png.h pngconf.h -pngrio.o: png.h pngconf.h -pngwio.o: png.h pngconf.h -pngmem.o: png.h pngconf.h -pngset.o: png.h pngconf.h -pngget.o: png.h pngconf.h -pngread.o: png.h pngconf.h -pngpread.o: png.h pngconf.h -pngrtran.o: png.h pngconf.h -pngrutil.o: png.h pngconf.h -pngtest.o: png.h pngconf.h -pngtrans.o: png.h pngconf.h -pngwrite.o: png.h pngconf.h -pngwtran.o: png.h pngconf.h -pngwutil.o: png.h pngconf.h - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.elf b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.elf deleted file mode 100644 index 940ff5872a8..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.elf +++ /dev/null @@ -1,276 +0,0 @@ -# makefile for libpng.a and libpng12.so on Linux ELF with gcc -# Copyright (C) 1998, 1999, 2002, 2006, 2008 Greg Roelofs -# and Glenn Randers-Pehrson -# Copyright (C) 1996, 1997 Andreas Dilger -# For conditions of distribution and use, see copyright notice in png.h - -# Modified for Debian by Junichi Uekawa and Josselin Mouette -# Major modifications are: -# * link libpng explicitly with libz and libm -# * $(OLDSO).3 is a symlink rather than a different library -# * versioned symbols - -# Library name: -LIBNAME = libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).so -LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) -LIBSOVER=$(LIBNAME).so.$(PNGVER) -OLDSO=libpng.so -OLDSOMAJ=libpng.so.3 -OLDSOVER=libpng.so.3.$(PNGMIN) - -# Utilities: -AR_RC=ar rc -CC=gcc -MKDIR_P=mkdir -p -LN_SF=ln -sf -RANLIB=ranlib -RM_F=/bin/rm -f - -# where "make install" puts libpng12.a, libpng12.so*, -# libpng12/png.h and libpng12/pngconf.h -# Prefix must be a full pathname. -prefix=/usr/local -exec_prefix=$(prefix) - -# Where the zlib library and include files are located. -ZLIBLIB=/usr/local/lib -ZLIBINC=/usr/local/include -# ZLIBLIB=../zlib -# ZLIBINC=../zlib - -ALIGN= -# for i386: -#ALIGN=-malign-loops=2 -malign-functions=2 - -WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes #-Wconversion - -# for pgcc version 2.95.1, -O3 is buggy; don't use it. - -CFLAGS=-W -Wall -D_REENTRANT -O2 \ - $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 - -LDFLAGS=-L. -lpng12 -LDFLAGS_A=libpng.a -lz -lm -LIBADDFLAGS=-lz -lm - - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng.syms: png.h pngconf.h - $(CC) $(CFLAGS) -E -DPNG_BUILDSYMS -DPNG_INTERNAL png.h |\ - awk -F '[\t [\\]();]' -v PNGMAJ=$(PNGMAJ) 'BEGIN{printf("PNG12_%s {global:\n",PNGMAJ)}\ - { for (i=1;i+2<=NF;++i)\ - if ($$(i)=="PNG_FUNCTION_EXPORT" && $$(i+2)=="END")\ - print $$(i+1) ";";\ - for (i=1;i+1<=NF;++i)\ - if ($$(i)=="PNG_DATA_EXPORT")\ - print $$(i+1) ";";}\ - END{print "local: *; };"}' >$@.new - $(RM_F) $@ - mv $@.new $@ - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo L_opts=\"\"; \ - echo R_opts=\"\"; \ - echo libs=\"-lpng12\"; \ - echo all_libs=\"-lpng12 $(LIBADDFLAGS)\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) libpng.syms - $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \ - -Wl,-version-script,libpng.syms \ - -o $(LIBSOVER) \ - $(OBJSDLL) - -$(OLDSOVER): $(OBJSDLL) libpng.syms - $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \ - -Wl,-version-script,libpng.syms \ - -o $(OLDSOVER) \ - $(OBJSDLL) - -pngtest: pngtest.o $(LIBSO) - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -pngtest-static: pngtest.o libpng.a - $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) - -test: pngtest pngtest-static - @echo "" - @echo " Running pngtest dynamically linked with $(LIBSO):" - @echo "" - LD_LIBRARY_PATH=".:${LD_LIBRARY_PATH}" ./pngtest - @echo "" - @echo " Running pngtest statically linked with libpng.a:" - @echo "" - ./pngtest-static - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - $(CC) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a libpng.syms pngtest pngout.png libpng-config \ - $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h -pngerror.o pngerror.pic.o: png.h pngconf.h -pngrio.o pngrio.pic.o: png.h pngconf.h -pngwio.o pngwio.pic.o: png.h pngconf.h -pngmem.o pngmem.pic.o: png.h pngconf.h -pngset.o pngset.pic.o: png.h pngconf.h -pngget.o pngget.pic.o: png.h pngconf.h -pngread.o pngread.pic.o: png.h pngconf.h -pngrtran.o pngrtran.pic.o: png.h pngconf.h -pngrutil.o pngrutil.pic.o: png.h pngconf.h -pngtrans.o pngtrans.pic.o: png.h pngconf.h -pngwrite.o pngwrite.pic.o: png.h pngconf.h -pngwtran.o pngwtran.pic.o: png.h pngconf.h -pngwutil.o pngwutil.pic.o: png.h pngconf.h -pngpread.o pngpread.pic.o: png.h pngconf.h - -pngtest.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.freebsd b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.freebsd deleted file mode 100644 index 59f36444f9d..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.freebsd +++ /dev/null @@ -1,48 +0,0 @@ -# makefile for libpng under FreeBSD -# Copyright (C) 2002, 2007 Glenn Randers-Pehrson and Andrey A. Chernov -# For conditions of distribution and use, see copyright notice in png.h - -PREFIX?= /usr/local -SHLIB_VER?= 5 - -LIB= png -SHLIB_MAJOR= ${SHLIB_VER} -SHLIB_MINOR= 0 -NOPROFILE= YES -NOOBJ= YES - -# where make install puts libpng.a and png.h -DESTDIR= ${PREFIX} -LIBDIR= /lib -INCS= png.h pngconf.h -INCSDIR= /include/libpng -INCDIR= ${INCSDIR} # for 4.x bsd.lib.mk -MAN= libpng.3 libpngpf.3 png.5 -MANDIR= /man/man -SYMLINKS= libpng/png.h ${INCSDIR}/../png.h \ - libpng/pngconf.h ${INCSDIR}/../pngconf.h -LDADD+= -lm -lz -DPADD+= ${LIBM} ${LIBZ} - -CFLAGS+= -I. -.if (${MACHINE_ARCH} != "i386") -CFLAGS+= -DPNG_NO_MMX_CODE -.endif - -SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ - pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ - pngwtran.c pngmem.c pngerror.c pngpread.c - -pngtest: pngtest.o libpng.a - ${CC} ${CFLAGS} -L. -static -o pngtest pngtest.o -lpng -lz -lm - -CLEANFILES= pngtest pngtest.o pngout.png - -test: pngtest - ./pngtest - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -.include diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.gcc b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.gcc deleted file mode 100644 index b2675a4baa6..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.gcc +++ /dev/null @@ -1,80 +0,0 @@ -# makefile for libpng using gcc (generic, static library) -# Copyright (C) 2008 Glenn Randers-Pehrson -# Copyright (C) 2000 Cosmin Truta -# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. -# For conditions of distribution and use, see copyright notice in png.h - -# Location of the zlib library and include files -ZLIBINC = ../zlib -ZLIBLIB = ../zlib - -# Compiler, linker, lib and other tools -CC = gcc -LD = $(CC) -AR_RC = ar rcs -RANLIB = ranlib -RM_F = rm -f - -CDEBUG = -g -DPNG_DEBUG=5 -LDDEBUG = -CRELEASE = -O2 -LDRELEASE = -s -#CFLAGS = -W -Wall $(CDEBUG) -CFLAGS = -W -Wall $(CRELEASE) -#LDFLAGS = $(LDDEBUG) -LDFLAGS = $(LDRELEASE) -LIBS = -lz -lm - -# File extensions -O=.o -A=.a -EXE= - -# Variables -OBJS = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O) \ - pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) pngset$(O) \ - pngtrans$(O) pngwio$(O) pngwrite$(O) pngwtran$(O) pngwutil$(O) - -# Targets -all: static - -.c$(O): - $(CC) -c $(CFLAGS) -I$(ZLIBINC) $< - -static: libpng$(A) pngtest$(EXE) - -shared: - @echo This is a generic makefile that cannot create shared libraries. - @echo Please use a configuration that is specific to your platform. - @false - -libpng$(A): $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -test: pngtest$(EXE) - ./pngtest$(EXE) - -pngtest$(EXE): pngtest$(O) libpng$(A) - $(LD) $(LDFLAGS) -L$(ZLIBLIB) -o $@ pngtest$(O) libpng$(A) $(LIBS) - -clean: - $(RM_F) *$(O) libpng$(A) pngtest$(EXE) pngout.png - -png$(O): png.h pngconf.h -pngerror$(O): png.h pngconf.h -pngget$(O): png.h pngconf.h -pngmem$(O): png.h pngconf.h -pngpread$(O): png.h pngconf.h -pngread$(O): png.h pngconf.h -pngrio$(O): png.h pngconf.h -pngrtran$(O): png.h pngconf.h -pngrutil$(O): png.h pngconf.h -pngset$(O): png.h pngconf.h -pngtest$(O): png.h pngconf.h -pngtrans$(O): png.h pngconf.h -pngwio$(O): png.h pngconf.h -pngwrite$(O): png.h pngconf.h -pngwtran$(O): png.h pngconf.h -pngwutil$(O): png.h pngconf.h - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.gcmmx b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.gcmmx deleted file mode 100644 index 18da7dfecfe..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.gcmmx +++ /dev/null @@ -1,271 +0,0 @@ -# makefile for libpng.a and libpng12.so on Linux ELF with gcc using MMX -# assembler code -# Copyright 2002, 2006, 2008 Greg Roelofs and Glenn Randers-Pehrson -# Copyright 1998-2001 Greg Roelofs -# Copyright 1996-1997 Andreas Dilger -# For conditions of distribution and use, see copyright notice in png.h - -# CAUTION: Do not use this makefile with gcc versions 2.7.2.2 and earlier. - -# NOTE: When testing MMX performance on a multitasking system, make sure -# there are no floating-point programs (e.g., SETI@Home) running in -# the background! Context switches between MMX and FPU are expensive. - -# Library name: -LIBNAME = libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).so -LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) -LIBSOVER=$(LIBNAME).so.$(PNGVER) -OLDSO=libpng.so -OLDSOMAJ=libpng.so.3 -OLDSOVER=libpng.so.3.$(PNGMIN) - -# Utilities: -CC = gcc -LD = $(CC) -AR_RC = ar rc -LN_SF = ln -sf -MKDIR_P = mkdir -p -RANLIB = ranlib -RM_F = /bin/rm -f - -# where "make install" puts libpng12.a, libpng12.so*, -# libpng12/png.h and libpng12/pngconf.h -# Prefix must be a full pathname. -prefix=/usr/local -exec_prefix=$(prefix) - -# Where the zlib library and include files are located. -#ZLIBLIB=/usr/local/lib -#ZLIBINC=/usr/local/include -ZLIBLIB=../zlib -ZLIBINC=../zlib - -ALIGN= -# for i386: -#ALIGN=-malign-loops=2 -malign-functions=2 - -WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes #-Wconversion - -# for pgcc version 2.95.1, -O3 is buggy; don't use it. - -# Remove -DPNG_THREAD_UNSAFE_OK if you need thread safety -### for generic gcc: -CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \ - $(ALIGN) -funroll-loops \ - -fomit-frame-pointer # $(WARNMORE) -g -DPNG_DEBUG=5 -### for gcc 2.95.2 on 686: -#CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \ -# -mcpu=i686 -malign-double -ffast-math -fstrict-aliasing \ -# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer -### for gcc 2.7.2.3 on 486 and up: -#CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \ -# -m486 -malign-double -ffast-math \ -# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer - -LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm -LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm - - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo cppflags=\"-DPNG_THREAD_UNSAFE_OK \"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \ - -o $(LIBSOVER) \ - $(OBJSDLL) - -$(OLDSOVER): $(OBJSDLL) - $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \ - -o $(OLDSOVER) \ - $(OBJSDLL) - -pngtest: pngtest.o $(LIBSO) - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -pngtest-static: pngtest.o libpng.a - $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) - -test: pngtest pngtest-static - @echo "" - @echo " Running pngtest dynamically linked with $(LIBSO):" - @echo "" - ./pngtest - @echo "" - @echo " Running pngtest statically linked with libpng.a:" - @echo "" - ./pngtest-static - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - $(CC) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \ - $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -png.o png.pic.o: png.h pngconf.h png.c -pngerror.o pngerror.pic.o: png.h pngconf.h pngerror.c -pngrio.o pngrio.pic.o: png.h pngconf.h pngrio.c -pngwio.o pngwio.pic.o: png.h pngconf.h pngwio.c -pngmem.o pngmem.pic.o: png.h pngconf.h pngmem.c -pngset.o pngset.pic.o: png.h pngconf.h pngset.c -pngget.o pngget.pic.o: png.h pngconf.h pngget.c -pngread.o pngread.pic.o: png.h pngconf.h pngread.c -pngrtran.o pngrtran.pic.o: png.h pngconf.h pngrtran.c -pngrutil.o pngrutil.pic.o: png.h pngconf.h pngrutil.c -pngtrans.o pngtrans.pic.o: png.h pngconf.h pngtrans.c -pngwrite.o pngwrite.pic.o: png.h pngconf.h pngwrite.c -pngwtran.o pngwtran.pic.o: png.h pngconf.h pngwtran.c -pngwutil.o pngwutil.pic.o: png.h pngconf.h pngwutil.c -pngpread.o pngpread.pic.o: png.h pngconf.h pngpread.c - -pngtest.o: png.h pngconf.h pngtest.c diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.hp64 b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.hp64 deleted file mode 100644 index 8866809aec9..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.hp64 +++ /dev/null @@ -1,235 +0,0 @@ -# makefile for libpng, HPUX (10.20 and 11.00) using the ANSI/C product. -# Copyright (C) 1999-2002 Glenn Randers-Pehrson -# Copyright (C) 1995 Guy Eric Schalnat, Group 42 -# contributed by Jim Rice and updated by Chris Schleicher, Hewlett Packard -# For conditions of distribution and use, see copyright notice in png.h - -# Where the zlib library and include files are located -ZLIBLIB=/opt/zlib/lib -ZLIBINC=/opt/zlib/include - -# Note that if you plan to build a libpng shared library, zlib must also -# be a shared library, which zlib's configure does not do. After running -# zlib's configure, edit the appropriate lines of makefile to read: -# CFLAGS=-O1 -DHAVE_UNISTD -DUSE_MAP -fPIC \ -# LDSHARED=ld -b -# SHAREDLIB=libz.sl - -# Library name: -LIBNAME = libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).sl -LIBSOMAJ=$(LIBNAME).sl.$(PNGMAJ) -LIBSOVER=$(LIBNAME).sl.$(PNGVER) -OLDSO=libpng.sl -OLDSOMAJ=libpng.sl.3 -OLDSOVER=libpng.sl.3.$(PNGMIN) - -# Utilities: -AR_RC=ar rc -CC=cc -MKDIR_P=mkdir -p -LN_SF=ln -sf -RANLIB=ranlib -RM_F=/bin/rm -f - -CFLAGS=-I$(ZLIBINC) -O -Ae -Wl,+vnocompatwarnings +DD64 \ --D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 +Z -DHAVE_UNISTD_H -DUSE_MMAP -# Caution: be sure you have built zlib with the same CFLAGS. -CCFLAGS=-I$(ZLIBINC) -O -Ae -Wl,+vnocompatwarnings +DD64 \ --D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 +Z -DHAVE_UNISTD_H -DUSE_MMAP - -LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm - -# where make install puts libpng.a, libpng12.sl, and png.h -prefix=/opt/libpng -exec_prefix=$(prefix) -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) +z -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo ccopts=\"-Ae +DA1.1 +DS2.0\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - $(LD) -b +s \ - +h $(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL) - -$(OLDSOVER): $(OBJSDLL) - $(LD) -b +s \ - +h $(OLDSOMAJ) -o $(OLDSOVER) $(OBJSDLL) - -pngtest: pngtest.o libpng.a - $(CC) -o pngtest $(CCFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) $(CCFLAGS) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - echo - echo Testing installed dynamic shared library. - $(CC) $(CCFLAGS) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(ZLIBLIB) \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \ - libpng-config $(LIBSO) $(LIBSOMAJ)* \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o: png.h pngconf.h -pngerror.o: png.h pngconf.h -pngrio.o: png.h pngconf.h -pngwio.o: png.h pngconf.h -pngmem.o: png.h pngconf.h -pngset.o: png.h pngconf.h -pngget.o: png.h pngconf.h -pngread.o: png.h pngconf.h -pngrtran.o: png.h pngconf.h -pngrutil.o: png.h pngconf.h -pngtest.o: png.h pngconf.h -pngtrans.o: png.h pngconf.h -pngwrite.o: png.h pngconf.h -pngwtran.o: png.h pngconf.h -pngwutil.o: png.h pngconf.h -pngpread.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.hpgcc b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.hpgcc deleted file mode 100644 index 6b51229383e..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.hpgcc +++ /dev/null @@ -1,245 +0,0 @@ -# makefile for libpng on HP-UX using GCC with the HP ANSI/C linker. -# Copyright (C) 2002, 2006-2008 Glenn Randers-Pehrson -# Copyright (C) 2001, Laurent faillie -# Copyright (C) 1998, 1999 Greg Roelofs -# Copyright (C) 1996, 1997 Andreas Dilger -# For conditions of distribution and use, see copyright notice in png.h - -# Library name: -LIBNAME = libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).sl -LIBSOMAJ=$(LIBNAME).sl.$(PNGMAJ) -LIBSOVER=$(LIBNAME).sl.$(PNGVER) -OLDSO=libpng.sl -OLDSOMAJ=libpng.sl.3 -OLDSOVER=libpng.sl.3.$(PNGMIN) - -# Utilities: -CC=gcc -LD=ld -AR_RC=ar rc -MKDIR_P=mkdir -p -LN_SF=ln -sf -RANLIB=ranlib -RM_F=/bin/rm -f - -# where "make install" puts libpng.a, $(OLDSO)*, png.h and pngconf.h -prefix=/usr/local -exec_prefix=$(prefix) - -# Where the zlib library and include files are located -ZLIBLIB=/opt/zlib/lib -ZLIBINC=/opt/zlib/include - -# Note that if you plan to build a libpng shared library, zlib must also -# be a shared library, which zlib's configure does not do. After running -# zlib's configure, edit the appropriate lines of makefile to read: -# CFLAGS=-O1 -DHAVE_UNISTD -DUSE_MAP -fPIC \ -# LDSHARED=ld -b -# SHAREDLIB=libz.sl - -ALIGN= -# for i386: -#ALIGN=-malign-loops=2 -malign-functions=2 - -WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes #-Wconversion - -# for pgcc version 2.95.1, -O3 is buggy; don't use it. - -CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE \ - $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 -#LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm -LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz -lm - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - $(LD) -b +s \ - +h $(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL) - -$(OLDSOVER): $(OBJSDLL) - $(LD) -b +s \ - +h $(OLDSOMAJ) -o $(OLDSOVER) $(OBJSDLL) - -pngtest: pngtest.o $(LIBSO) - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) -Wl,-rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - echo - echo Testing installed dynamic shared library. - $(CC) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \ - libpng-config $(LIBSO) $(LIBSOMAJ)* \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h -pngerror.o pngerror.pic.o: png.h pngconf.h -pngrio.o pngrio.pic.o: png.h pngconf.h -pngwio.o pngwio.pic.o: png.h pngconf.h -pngmem.o pngmem.pic.o: png.h pngconf.h -pngset.o pngset.pic.o: png.h pngconf.h -pngget.o pngget.pic.o: png.h pngconf.h -pngread.o pngread.pic.o: png.h pngconf.h -pngrtran.o pngrtran.pic.o: png.h pngconf.h -pngrutil.o pngrutil.pic.o: png.h pngconf.h -pngtrans.o pngtrans.pic.o: png.h pngconf.h -pngwrite.o pngwrite.pic.o: png.h pngconf.h -pngwtran.o pngwtran.pic.o: png.h pngconf.h -pngwutil.o pngwutil.pic.o: png.h pngconf.h -pngpread.o pngpread.pic.o: png.h pngconf.h - -pngtest.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.hpux b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.hpux deleted file mode 100644 index d1bc5ef2541..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.hpux +++ /dev/null @@ -1,232 +0,0 @@ -# makefile for libpng, HPUX (10.20 and 11.00) using the ANSI/C product. -# Copyright (C) 1999-2002, 2006 Glenn Randers-Pehrson -# Copyright (C) 1995 Guy Eric Schalnat, Group 42 -# contributed by Jim Rice and updated by Chris Schleicher, Hewlett Packard -# For conditions of distribution and use, see copyright notice in png.h - -# Where the zlib library and include files are located -ZLIBLIB=/opt/zlib/lib -ZLIBINC=/opt/zlib/include - -# Note that if you plan to build a libpng shared library, zlib must also -# be a shared library, which zlib's configure does not do. After running -# zlib's configure, edit the appropriate lines of makefile to read: -# CFLAGS=-O1 -DHAVE_UNISTD -DUSE_MAP -fPIC \ -# LDSHARED=ld -b -# SHAREDLIB=libz.sl - -# Library name: -LIBNAME = libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).sl -LIBSOMAJ=$(LIBNAME).sl.$(PNGMAJ) -LIBSOVER=$(LIBNAME).sl.$(PNGVER) -OLDSO=libpng.sl -OLDSOMAJ=libpng.sl.3 -OLDSOVER=libpng.sl.3.$(PNGMIN) - -# Utilities: -AR_RC=ar rc -CC=cc -MKDIR_P=mkdir -p -LN_SF=ln -sf -RANLIB=ranlib -RM_F=/bin/rm -f - -# where make install puts libpng.a, libpng12.sl, and png.h -prefix=/opt/libpng -exec_prefix=$(prefix) -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -CFLAGS=-I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0 -DPNG_NO_MMX_CODE -# Caution: be sure you have built zlib with the same CFLAGS. -CCFLAGS=-I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0 -LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) +z -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo ccopts=\"-Ae +DA1.1 +DS2.0\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - $(LD) -b +s \ - +h $(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL) - -$(OLDSOVER): $(OBJSDLL) - $(LD) -b +s \ - +h $(OLDSOMAJ) -o $(OLDSOVER) $(OBJSDLL) - -pngtest: pngtest.o libpng.a - $(CC) -o pngtest $(CCFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) $(CCFLAGS) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - echo - echo Testing installed dynamic shared library. - $(CC) $(CCFLAGS) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(ZLIBLIB) \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \ - libpng-config $(LIBSO) $(LIBSOMAJ)* \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o: png.h pngconf.h -pngerror.o: png.h pngconf.h -pngrio.o: png.h pngconf.h -pngwio.o: png.h pngconf.h -pngmem.o: png.h pngconf.h -pngset.o: png.h pngconf.h -pngget.o: png.h pngconf.h -pngread.o: png.h pngconf.h -pngrtran.o: png.h pngconf.h -pngrutil.o: png.h pngconf.h -pngtest.o: png.h pngconf.h -pngtrans.o: png.h pngconf.h -pngwrite.o: png.h pngconf.h -pngwtran.o: png.h pngconf.h -pngwutil.o: png.h pngconf.h -pngpread.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.ibmc b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.ibmc deleted file mode 100644 index f09a62c9e36..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.ibmc +++ /dev/null @@ -1,71 +0,0 @@ -# Makefile for libpng (static) -# IBM C version 3.x for Win32 and OS/2 -# Copyright (C) 2000 Cosmin Truta -# For conditions of distribution and use, see copyright notice in png.h -# Notes: -# Derived from makefile.std -# All modules are compiled in C mode -# Tested under Win32, expected to work under OS/2 -# Can be easily adapted for IBM VisualAge/C++ for AIX - -# Location of the zlib library and include files -ZLIBINC = ../zlib -ZLIBLIB = ../zlib - -# Compiler, linker, lib and other tools -CC = icc -LD = ilink -AR = ilib -RM = del - -CFLAGS = -I$(ZLIBINC) -Mc -O2 -W3 -LDFLAGS = - -# File extensions -O=.obj -A=.lib -E=.exe - -# Variables -OBJS = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O) \ - pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) pngset$(O) \ - pngtrans$(O) pngwio$(O) pngwrite$(O) pngwtran$(O) pngwutil$(O) - -LIBS = libpng$(A) $(ZLIBLIB)/zlib$(A) - -# Targets -all: libpng$(A) pngtest$(E) - -libpng$(A): $(OBJS) - $(AR) -out:$@ $(OBJS) - -test: pngtest$(E) - pngtest$(E) - -pngtest: pngtest$(E) - -pngtest$(E): pngtest$(O) libpng$(A) - $(LD) $(LDFLAGS) pngtest$(O) $(LIBS) - -clean: - $(RM) *$(O) - $(RM) libpng$(A) - $(RM) pngtest$(E) - $(RM) pngout.png - -png$(O): png.h pngconf.h -pngerror$(O): png.h pngconf.h -pngget$(O): png.h pngconf.h -pngmem$(O): png.h pngconf.h -pngpread$(O): png.h pngconf.h -pngread$(O): png.h pngconf.h -pngrio$(O): png.h pngconf.h -pngrtran$(O): png.h pngconf.h -pngrutil$(O): png.h pngconf.h -pngset$(O): png.h pngconf.h -pngtest$(O): png.h pngconf.h -pngtrans$(O): png.h pngconf.h -pngwio$(O): png.h pngconf.h -pngwrite$(O): png.h pngconf.h -pngwtran$(O): png.h pngconf.h -pngwutil$(O): png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.intel b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.intel deleted file mode 100644 index b0b523af082..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.intel +++ /dev/null @@ -1,102 +0,0 @@ -# Makefile for libpng -# Microsoft Visual C++ with Intel C/C++ Compiler 4.0 and later - -# Copyright (C) 2000, Pawel Mrochen, based on makefile.msc which is -# copyright 1995 Guy Eric Schalnat, Group 42, Inc. -# For conditions of distribution and use, see copyright notice in png.h - -# To use, do "nmake /f scripts\makefile.intel" - - -# Where the zlib library and include files are located -ZLIBLIB=..\zlib -ZLIBINC=..\zlib - -# Target CPU -CPU=6 # Pentium II -#CPU=5 # Pentium - -# Calling convention -CALLING=r # __fastcall -#CALLING=z # __stdcall -#CALLING=d # __cdecl - -# Uncomment next to put error messages in a file -#ERRFILE=>>pngerrs - -# -------------------------------------------------------------------------- - - -CC=icl -c -CFLAGS=-O2 -G$(CPU)$(CALLING) -Qip -Qunroll4 -I$(ZLIBINC) -nologo -LD=link -LDFLAGS=/SUBSYSTEM:CONSOLE /NOLOGO - -O=.obj - -OBJS=png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O) \ -pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O) \ -pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O) - -all: test - -png$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngset$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngget$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngread$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngpread$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngrtran$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngrutil$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngerror$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngmem$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngrio$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngwio$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngtest$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngtrans$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngwrite$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngwtran$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngwutil$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -libpng.lib: $(OBJS) - if exist libpng.lib del libpng.lib - lib /NOLOGO /OUT:libpng.lib $(OBJS) - -pngtest.exe: pngtest.obj libpng.lib - $(LD) $(LDFLAGS) /OUT:pngtest.exe pngtest.obj libpng.lib $(ZLIBLIB)\zlib.lib - -test: pngtest.exe - pngtest.exe - - -# End of makefile for libpng diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.knr b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.knr deleted file mode 100644 index 44ee538a33d..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.knr +++ /dev/null @@ -1,99 +0,0 @@ -# makefile for libpng -# Copyright (C) 2002 Glenn Randers-Pehrson -# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. -# For conditions of distribution and use, see copyright notice in png.h - -# This makefile requires the file ansi2knr.c, which you can get -# from the Ghostscript ftp site at ftp://ftp.cs.wisc.edu/ghost/ -# If you have libjpeg, you probably already have ansi2knr.c in the jpeg -# source distribution. - -# where make install puts libpng.a and png.h -prefix=/usr/local -INCPATH=$(prefix)/include -LIBPATH=$(prefix)/lib - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -CC=cc -CFLAGS=-I../zlib -O -LDFLAGS=-L. -L../zlib/ -lpng -lz -lm -# flags for ansi2knr -ANSI2KNRFLAGS= - -RANLIB=ranlib -#RANLIB=echo - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -all: ansi2knr libpng.a pngtest - -# general rule to allow ansi2knr to work -.c.o: - ./ansi2knr $*.c T$*.c - $(CC) $(CFLAGS) -c T$*.c - rm -f T$*.c $*.o - mv T$*.o $*.o - -ansi2knr: ansi2knr.c - $(CC) $(CFLAGS) $(ANSI2KNRFLAGS) -o ansi2knr ansi2knr.c - -libpng.a: ansi2knr $(OBJS) - ar rc $@ $(OBJS) - $(RANLIB) $@ - -pngtest: pngtest.o libpng.a - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install: libpng.a - -@mkdir $(DESTDIR)$(INCPATH) - -@mkdir $(DESTDIR)$(INCPATH)/libpng - -@mkdir $(DESTDIR)$(LIBPATH) - -@rm -f $(DESTDIR)$(INCPATH)/png.h - -@rm -f $(DESTDIR)$(INCPATH)/pngconf.h - cp png.h $(DESTDIR)$(INCPATH)/libpng - cp pngconf.h $(DESTDIR)$(INCPATH)/libpng - chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h - chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h - (cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .) - cp libpng.a $(DESTDIR)$(LIBPATH) - chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a - -clean: - rm -f *.o libpng.a pngtest pngout.png ansi2knr - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o: png.h pngconf.h -pngerror.o: png.h pngconf.h -pngrio.o: png.h pngconf.h -pngwio.o: png.h pngconf.h -pngmem.o: png.h pngconf.h -pngset.o: png.h pngconf.h -pngget.o: png.h pngconf.h -pngread.o: png.h pngconf.h -pngpread.o: png.h pngconf.h -pngrtran.o: png.h pngconf.h -pngrutil.o: png.h pngconf.h -pngtest.o: png.h pngconf.h -pngtrans.o: png.h pngconf.h -pngwrite.o: png.h pngconf.h -pngwtran.o: png.h pngconf.h -pngwutil.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.linux b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.linux deleted file mode 100644 index 948e484dfbb..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.linux +++ /dev/null @@ -1,250 +0,0 @@ -# makefile for libpng.a and libpng12.so on Linux ELF with gcc -# Copyright (C) 1998, 1999, 2002, 2006, 2008 Greg Roelofs and -# Glenn Randers-Pehrson -# Copyright (C) 1996, 1997 Andreas Dilger -# For conditions of distribution and use, see copyright notice in png.h - -# Library name: -LIBNAME = libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).so -LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) -LIBSOVER=$(LIBNAME).so.$(PNGVER) -OLDSO=libpng.so -OLDSOMAJ=libpng.so.3 -OLDSOVER=libpng.so.3.$(PNGMIN) - -# Utilities: -AR_RC=ar rc -CC=gcc -MKDIR_P=mkdir -p -LN_SF=ln -sf -RANLIB=ranlib -RM_F=/bin/rm -f - -# where "make install" puts libpng12.a, libpng12.so*, -# libpng12/png.h and libpng12/pngconf.h -# Prefix must be a full pathname. -prefix=/usr/local -exec_prefix=$(prefix) - -# Where the zlib library and include files are located. -#ZLIBLIB=/usr/local/lib -#ZLIBINC=/usr/local/include -ZLIBLIB=../zlib -ZLIBINC=../zlib - -ALIGN= -# for i386: -#ALIGN=-malign-loops=2 -malign-functions=2 - -WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes #-Wconversion - -# for pgcc version 2.95.1, -O3 is buggy; don't use it. - -CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE \ - $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 - -LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm -LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL) - -$(OLDSOVER): $(OBJSDLL) - $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \ - -o $(OLDSOVER) \ - $(OBJSDLL) - -pngtest: pngtest.o $(LIBSO) - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -pngtest-static: pngtest.o libpng.a - $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) - -test: pngtest pngtest-static - @echo "" - @echo " Running pngtest dynamically linked with $(LIBSO):" - @echo "" - ./pngtest - @echo "" - @echo " Running pngtest statically linked with libpng.a:" - @echo "" - ./pngtest-static - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - $(CC) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \ - $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h -pngerror.o pngerror.pic.o: png.h pngconf.h -pngrio.o pngrio.pic.o: png.h pngconf.h -pngwio.o pngwio.pic.o: png.h pngconf.h -pngmem.o pngmem.pic.o: png.h pngconf.h -pngset.o pngset.pic.o: png.h pngconf.h -pngget.o pngget.pic.o: png.h pngconf.h -pngread.o pngread.pic.o: png.h pngconf.h -pngrtran.o pngrtran.pic.o: png.h pngconf.h -pngrutil.o pngrutil.pic.o: png.h pngconf.h -pngtrans.o pngtrans.pic.o: png.h pngconf.h -pngwrite.o pngwrite.pic.o: png.h pngconf.h -pngwtran.o pngwtran.pic.o: png.h pngconf.h -pngwutil.o pngwutil.pic.o: png.h pngconf.h -pngpread.o pngpread.pic.o: png.h pngconf.h - -pngtest.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.mingw b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.mingw deleted file mode 100644 index 991e3343ed8..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.mingw +++ /dev/null @@ -1,289 +0,0 @@ -# makefile for mingw on x86 -# Builds both dll (with import lib) and static lib versions -# of the library, and builds two copies of pngtest: one -# statically linked and one dynamically linked. -# -# Built from makefile.cygwin -# Copyright (C) 2002, 2006, 2008 Soren Anderson, Charles Wilson, -# and Glenn Randers-Pehrson, based on makefile for linux-elf w/mmx by: -# Copyright (C) 1998-2000, 2007 Greg Roelofs -# Copyright (C) 1996, 1997 Andreas Dilger -# For conditions of distribution and use, see copyright notice in png.h - - -# This makefile intends to support building outside the src directory -# if desired. When invoking it, specify an argument to SRCDIR on the -# command line that points to the top of the directory where your source -# is located. -ifdef SRCDIR -VPATH = $(SRCDIR) -else -SRCDIR = . -endif - -# Override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -# If you're using a cross-compiler, add the appropriate prefix (e.g., -# "i386-mingw32msvc-") to the following three commands: -CC=gcc -AR=ar -RANLIB=ranlib - -MKDIR_P=/bin/mkdir -pv - -# Where "make install" puts libpng*.a, *png*.dll, png.h, and pngconf.h -ifndef prefix -prefix=/usr -$(warning "You haven't specified a 'prefix=' location. Defaulting to '/usr'") -endif -exec_prefix=$(prefix) - -# Where the zlib library and include files are located -ZLIBLIB= /usr/lib -ZLIBINC= - -ALIGN= -# for i386: -#ALIGN=-malign-loops=2 -malign-functions=2 - -WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes #-Wconversion - -### if you don't need thread safety, but want the asm accel -#CFLAGS= $(strip $(MINGW_CCFLAGS) -DPNG_THREAD_UNSAFE_OK \ -# $(addprefix -I,$(ZLIBINC)) -W -Wall -O $(ALIGN) -funroll-loops \ -# -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5 -### if you need thread safety and want (minimal) asm accel -#CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \ -# -W -Wall -O $(ALIGN) -funroll-loops \ -# -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5 -### Normal (non-asm) compilation -CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \ - -W -Wall -O3 $(ALIGN) -funroll-loops -DPNG_NO_MMX_CODE \ - -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5 - -LIBNAME = libpng12 -PNGMAJ = 0 -MINGDLL = 12 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -SHAREDLIB=libpng$(MINGDLL).dll -STATLIB=libpng.a -IMPLIB=libpng.dll.a -SHAREDDEF=libpng.def -LIBS=$(SHAREDLIB) $(STATLIB) -EXE=.exe - -LDFLAGS=$(strip -L. $(MINGW_LDFLAGS) -lpng $(addprefix -L,$(ZLIBLIB)) -lz) -LDSFLAGS=$(strip -shared -L. $(MINGW_LDFLAGS)) -LDEXTRA=-Wl,--out-implib=$(IMPLIB) $(addprefix -L,$(ZLIBLIB)) -lz - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib - -BINPATH=$(exec_prefix)/bin -MANPATH=$(prefix)/man -MAN3PATH=$(MANPATH)/man3 -MAN5PATH=$(MANPATH)/man5 - -# cosmetic: shortened strings: -S =$(SRCDIR) -D =$(DESTDIR) -DB =$(D)$(BINPATH) -DI =$(D)$(INCPATH) -DL =$(D)$(LIBPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -%.o : %.c - $(CC) -c $(CFLAGS) -o $@ $< -%.pic.o : CFLAGS += -DPNG_BUILD_DLL -%.pic.o : %.c - $(CC) -c $(CFLAGS) -o $@ $< - -all: all-static all-shared libpng.pc libpng-config libpng.pc libpng-config - -# Make this to verify that "make [...] install" will do what you want. -buildsetup-tell: - @echo VPATH is set to: \"$(VPATH)\" - @echo prefix is set to: \"$(prefix)\" - @echo -e INCPATH,LIBPATH, etc. are set to:'\n' \ - $(addprefix $(D),$(INCPATH)'\n' $(LIBPATH)'\n' $(BINPATH)'\n' \ - $(MANPATH)'\n' $(MAN3PATH)'\n' $(MAN5PATH)'\n')'\n' - -libpng.pc: scripts/libpng.pc.in - @echo -e Making pkg-config file for this libpng installation..'\n' \ - using PREFIX=\"$(prefix)\"'\n' - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng-config: scripts/libpng-config-head.in scripts/libpng-config-body.in - @echo -e Making $(LIBNAME) libpng-config file for this libpng \ - installation..'\n' using PREFIX=\"$(prefix)\"'\n' - ( cat $(S)/scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo libs=\"-lpng$(MINGDLL) -lz\"; \ - cat $(S)/scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -static: all-static -shared: all-shared -all-static: $(STATLIB) pngtest-stat$(EXE) -all-shared: $(SHAREDLIB) pngtest$(EXE) - -$(STATLIB): $(OBJS) - $(AR) rc $@ $(OBJS) - $(RANLIB) $@ - -$(SHAREDDEF): scripts/pngw32.def - cat $< | sed -e '1{G;s/^\(.*\)\(\n\)/EXPORTS/;};2,/^EXPORTS/d' | \ - sed -e 's/\([^;]*\);/;/' > $@ - -$(SHAREDLIB): $(OBJSDLL) $(SHAREDDEF) - $(CC) $(LDSFLAGS) -o $@ $(OBJSDLL) -L. $(LDEXTRA) - -pngtest$(EXE): pngtest.pic.o $(SHAREDLIB) - $(CC) $(CFLAGS) $< $(LDFLAGS) -o $@ - -pngtest-stat$(EXE): pngtest.o $(STATLIB) - $(CC) -static $(CFLAGS) $< $(LDFLAGS) -o $@ - -test: test-static test-shared - -test-static: pngtest-stat$(EXE) - ./pngtest-stat $(S)/pngtest.png - -test-shared: pngtest$(EXE) - ./pngtest $(S)/pngtest.png - -install-static: $(STATLIB) install-headers install-man - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - install -m 644 $(STATLIB) $(DL)/$(LIBNAME).a - -@rm -f $(DL)/$(STATLIB) - (cd $(DL); ln -sf $(LIBNAME).a $(STATLIB)) - -install-shared: $(SHAREDLIB) libpng.pc libpng-config install-headers install-man - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc - -@/bin/rm -f $(DL)/pkgconfig/libpng.pc - install -m 644 $(IMPLIB) $(DL)/$(LIBNAME).dll.a - -@rm -f $(DL)/$(IMPLIB) - (cd $(DL); ln -sf $(LIBNAME).dll.a $(IMPLIB)) - install -s -m 755 $(SHAREDLIB) $(DB) - install -m 644 libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc) - -install-headers: - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - -@rm -f $(DI)/png.h - -@rm -f $(DI)/pngconf.h - install -m 644 $(S)/png.h $(S)/pngconf.h $(DI)/$(LIBNAME) - -@rm -f $(DI)/libpng - (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .) - -install-man: - -@if [ ! -d $(D)$(MAN3PATH) ]; then $(MKDIR_P) $(D)$(MAN3PATH); fi - -@if [ ! -d $(D)$(MAN5PATH) ]; then $(MKDIR_P) $(D)$(MAN5PATH); fi - install -m 644 $(S)/libpngpf.3 $(S)/libpng.3 $(D)$(MAN3PATH) - install -m 644 $(S)/png.5 $(D)$(MAN5PATH) - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@/bin/rm -f $(DB)/libpng-config - -@/bin/rm -f $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); ln -sf $(LIBNAME)-config libpng-config) - -# Run this to verify that a future `configure' run will pick up the settings -# you want. -test-config-install: SHELL=/bin/bash -test-config-install: $(DB)/libpng-config - @echo -e Testing libpng-config functions...'\n' - @ for TYRA in LDFLAGS CPPFLAGS CFLAGS LIBS VERSION; \ - do \ - printf "(%d)\t %10s =%s\n" $$(($$gytiu + 1)) $$TYRA \ - "$$($(DB)/libpng-config `echo --$$TYRA |tr '[:upper:]' '[:lower:]'`)"; \ - gytiu=$$(( $$gytiu + 1 )); \ - done - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) $(CFLAGS) \ - `$(BINPATH)/libpng12-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) \ - -o pngtestd `$(BINPATH)/libpng12-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - $(CC) $(CFLAGS) \ - `$(BINPATH)/libpng12-config --cflags` pngtest.c \ - -L$(ZLIBLIB) \ - -o pngtesti$(EXE) `$(BINPATH)/libpng12-config --ldflags` - ./pngtesti$(EXE) pngtest.png - -clean: - /bin/rm -f *.pic.o *.o $(STATLIB) $(IMPLIB) $(SHAREDLIB) \ - pngtest-stat$(EXE) pngtest$(EXE) pngout.png $(SHAREDDEF) \ - libpng-config libpng.pc pngtesti$(EXE) - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -.PHONY: buildsetup-tell libpng.pc libpng-config test-config-install clean - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h png.c -pngerror.o pngerror.pic.o: png.h pngconf.h pngerror.c -pngrio.o pngrio.pic.o: png.h pngconf.h pngrio.c -pngwio.o pngwio.pic.o: png.h pngconf.h pngwio.c -pngmem.o pngmem.pic.o: png.h pngconf.h pngmem.c -pngset.o pngset.pic.o: png.h pngconf.h pngset.c -pngget.o pngget.pic.o: png.h pngconf.h pngget.c -pngread.o pngread.pic.o: png.h pngconf.h pngread.c -pngrtran.o pngrtran.pic.o: png.h pngconf.h pngrtran.c -pngrutil.o pngrutil.pic.o: png.h pngconf.h pngrutil.c -pngtrans.o pngtrans.pic.o: png.h pngconf.h pngtrans.c -pngwrite.o pngwrite.pic.o: png.h pngconf.h pngwrite.c -pngwtran.o pngwtran.pic.o: png.h pngconf.h pngwtran.c -pngwutil.o pngwutil.pic.o: png.h pngconf.h pngwutil.c -pngpread.o pngpread.pic.o: png.h pngconf.h pngpread.c - -pngtest.o pngtest.pic.o: png.h pngconf.h pngtest.c - - - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.mips b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.mips deleted file mode 100644 index f1a557df7fd..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.mips +++ /dev/null @@ -1,83 +0,0 @@ -# makefile for libpng -# Copyright (C) Glenn Randers-Pehrson -# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. -# For conditions of distribution and use, see copyright notice in png.h - -# where make install puts libpng.a and png.h -prefix=/usr/local -INCPATH=$(prefix)/include -LIBPATH=$(prefix)/lib - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -CC=cc -CFLAGS=-I../zlib -O -systype sysv -DSYSV -w -Dmips -#CFLAGS=-O -LDFLAGS=-L. -L../zlib/ -lpng -lz -lm - -#RANLIB=ranlib -RANLIB=echo - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -all: libpng.a pngtest - -libpng.a: $(OBJS) - ar rc $@ $(OBJS) - $(RANLIB) $@ - -pngtest: pngtest.o libpng.a - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install: libpng.a - -@mkdir $(DESTDIR)$(INCPATH) - -@mkdir $(DESTDIR)$(INCPATH)/libpng - -@mkdir $(DESTDIR)$(LIBPATH) - -@rm -f $(DESTDIR)$(INCPATH)/png.h - -@rm -f $(DESTDIR)$(INCPATH)/pngconf.h - cp png.h $(DESTDIR)$(INCPATH)/libpng - cp pngconf.h $(DESTDIR)$(INCPATH)/libpng - chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h - chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h - (cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .) - cp libpng.a $(DESTDIR)$(LIBPATH) - chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a - -clean: - rm -f *.o libpng.a pngtest pngout.png - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o: png.h pngconf.h -pngerror.o: png.h pngconf.h -pngrio.o: png.h pngconf.h -pngwio.o: png.h pngconf.h -pngmem.o: png.h pngconf.h -pngset.o: png.h pngconf.h -pngget.o: png.h pngconf.h -pngread.o: png.h pngconf.h -pngpread.o: png.h pngconf.h -pngrtran.o: png.h pngconf.h -pngrutil.o: png.h pngconf.h -pngtest.o: png.h pngconf.h -pngtrans.o: png.h pngconf.h -pngwrite.o: png.h pngconf.h -pngwtran.o: png.h pngconf.h -pngwutil.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.msc b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.msc deleted file mode 100644 index 1cbfd91498f..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.msc +++ /dev/null @@ -1,86 +0,0 @@ -# makefile for libpng -# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. -# For conditions of distribution and use, see copyright notice in png.h -# Assumes that zlib.lib, zconf.h, and zlib.h have been copied to ..\zlib - -# -------- Microsoft C 5.1 and later, does not use assembler code -------- -MODEL=L -CFLAGS=-Oait -Gs -nologo -W3 -A$(MODEL) -I..\zlib -#-Ox generates bad code with MSC 5.1 -CC=cl -LD=link -LDFLAGS=/e/st:0x1500/noe -O=.obj - -#uncomment next to put error messages in a file -ERRFILE= >> pngerrs - -# variables -OBJS1 = png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O) -OBJS2 = pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O) -OBJS3 = pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O) - -all: libpng.lib - -png$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngset$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngget$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngread$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngpread$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngrtran$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngrutil$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngerror$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngmem$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngrio$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngwio$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngtest$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngtrans$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngwrite$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngwtran$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngwutil$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -libpng.lib: $(OBJS1) $(OBJS2) $(OBJS3) - del libpng.lib - lib libpng $(OBJS1); - lib libpng $(OBJS2); - lib libpng $(OBJS3); - -pngtest.exe: pngtest.obj libpng.lib - $(LD) $(LDFLAGS) pngtest.obj,,,libpng.lib ..\zlib\zlib.lib ; - -test: pngtest.exe - pngtest - -# End of makefile for libpng - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.ne12bsd b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.ne12bsd deleted file mode 100644 index 3fbbd7971fd..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.ne12bsd +++ /dev/null @@ -1,45 +0,0 @@ -# makefile for libpng for NetBSD for the standard -# make obj && make depend && make && make test -# make includes && make install -# Copyright (C) 2002 Patrick R.L. Welche -# Copyright (C) 2007 Glenn Randers-Pehrson -# For conditions of distribution and use, see copyright notice in png.h - -# You should also run makefile.netbsd - -LOCALBASE?=/usr/local -LIBDIR= ${LOCALBASE}/lib -MANDIR= ${LOCALBASE}/man -INCSDIR=${LOCALBASE}/include/libpng12 - -LIB= png12 -SHLIB_MAJOR= 0 -SHLIB_MINOR= 1.2.34 -SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ - pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ - pngwtran.c pngmem.c pngerror.c pngpread.c -INCS= png.h pngconf.h -MAN= libpng.3 libpngpf.3 png.5 - -CPPFLAGS+=-I${.CURDIR} - -# something like this for mmx assembler, but it core dumps for me at the moment -# .if ${MACHINE_ARCH} == "i386" -# CPPFLAGS+=-DPNG_THREAD_UNSAFE_OK -# MKLINT= no -# .else - CPPFLAGS+=-DPNG_NO_MMX_CODE -# .endif - -CLEANFILES+=pngtest.o pngtest - -pngtest.o: pngtest.c - ${CC} -c ${CPPFLAGS} ${CFLAGS} ${.ALLSRC} -o ${.TARGET} - -pngtest: pngtest.o libpng.a - ${CC} ${LDFLAGS} ${.ALLSRC} -o${.TARGET} -lz -lm - -test: pngtest - cd ${.CURDIR} && ${.OBJDIR}/pngtest - -.include diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.netbsd b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.netbsd deleted file mode 100644 index bfe03439444..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.netbsd +++ /dev/null @@ -1,45 +0,0 @@ -# makefile for libpng for NetBSD for the standard -# make obj && make depend && make && make test -# make includes && make install -# Copyright (C) 2002 Patrick R.L. Welche -# Copyright (C) 2007 Glenn Randers-Pehrson -# For conditions of distribution and use, see copyright notice in png.h - -# You should also run makefile.ne0bsd - -LOCALBASE?=/usr/local -LIBDIR= ${LOCALBASE}/lib -MANDIR= ${LOCALBASE}/man -INCSDIR=${LOCALBASE}/include/libpng - -LIB= png -SHLIB_MAJOR= 3 -SHLIB_MINOR= 1.2.34 -SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ - pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ - pngwtran.c pngmem.c pngerror.c pngpread.c -INCS= png.h pngconf.h -MAN= libpng.3 libpngpf.3 png.5 - -CPPFLAGS+=-I${.CURDIR} - -# something like this for mmx assembler, but it core dumps for me at the moment -# .if ${MACHINE_ARCH} == "i386" -# CPPFLAGS+=-DPNG_THREAD_UNSAFE_OK -# MKLINT= no -# .else - CPPFLAGS+=-DPNG_NO_MMX_CODE -# .endif - -CLEANFILES+=pngtest.o pngtest - -pngtest.o: pngtest.c - ${CC} -c ${CPPFLAGS} ${CFLAGS} ${.ALLSRC} -o ${.TARGET} - -pngtest: pngtest.o libpng.a - ${CC} ${LDFLAGS} ${.ALLSRC} -o${.TARGET} -lz -lm - -test: pngtest - cd ${.CURDIR} && ${.OBJDIR}/pngtest - -.include diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.nommx b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.nommx deleted file mode 100644 index 679a85366ee..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.nommx +++ /dev/null @@ -1,252 +0,0 @@ -# makefile for libpng.a and libpng12.so on Linux ELF with gcc -# Copyright (C) 1998, 1999, 2002, 2006-2008 Greg Roelofs and -# Glenn Randers-Pehrson -# Copyright (C) 1996, 1997 Andreas Dilger -# For conditions of distribution and use, see copyright notice in png.h - -# Library name: -LIBNAME = libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).so -LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) -LIBSOVER=$(LIBNAME).so.$(PNGVER) -OLDSO=libpng.so -OLDSOMAJ=libpng.so.3 -OLDSOVER=libpng.so.3.$(PNGMIN) - -# Utilities: -AR_RC=ar rc -CC=gcc -MKDIR_P=mkdir -p -LN_SF=ln -sf -RANLIB=ranlib -RM_F=/bin/rm -f - -# where "make install" puts libpng12.a, libpng12.so*, -# libpng12/png.h and libpng12/pngconf.h -# Prefix must be a full pathname. -prefix=/usr/local -exec_prefix=$(prefix) - -# Where the zlib library and include files are located. -#ZLIBLIB=/usr/local/lib -#ZLIBINC=/usr/local/include -ZLIBLIB=../zlib -ZLIBINC=../zlib - -ALIGN= -# for i386: -#ALIGN=-malign-loops=2 -malign-functions=2 - -WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes #-Wconversion - -# for pgcc version 2.95.1, -O3 is buggy; don't use it. - -CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE \ - $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 - -LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm -LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! \ - -e s!Cflags: !Cflags:\ -DPNG_NO_MMX_CODE!> libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME) -DPNG_NO_MMX_CODE\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL) - -$(OLDSOVER): $(OBJSDLL) - $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \ - -o $(OLDSOVER) \ - $(OBJSDLL) - -pngtest: pngtest.o $(LIBSO) - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -pngtest-static: pngtest.o libpng.a - $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) - -test: pngtest pngtest-static - @echo "" - @echo " Running pngtest dynamically linked with $(LIBSO):" - @echo "" - ./pngtest - @echo "" - @echo " Running pngtest statically linked with libpng.a:" - @echo "" - ./pngtest-static - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - $(CC) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \ - $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h -pngerror.o pngerror.pic.o: png.h pngconf.h -pngrio.o pngrio.pic.o: png.h pngconf.h -pngwio.o pngwio.pic.o: png.h pngconf.h -pngmem.o pngmem.pic.o: png.h pngconf.h -pngset.o pngset.pic.o: png.h pngconf.h -pngget.o pngget.pic.o: png.h pngconf.h -pngread.o pngread.pic.o: png.h pngconf.h -pngrtran.o pngrtran.pic.o: png.h pngconf.h -pngrutil.o pngrutil.pic.o: png.h pngconf.h -pngtrans.o pngtrans.pic.o: png.h pngconf.h -pngwrite.o pngwrite.pic.o: png.h pngconf.h -pngwtran.o pngwtran.pic.o: png.h pngconf.h -pngwutil.o pngwutil.pic.o: png.h pngconf.h -pngpread.o pngpread.pic.o: png.h pngconf.h - -pngtest.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.openbsd b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.openbsd deleted file mode 100644 index a470ec70f27..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.openbsd +++ /dev/null @@ -1,73 +0,0 @@ -# makefile for libpng -# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. -# Copyright (C) 2007-2008 Glenn Randers-Pehrson -# For conditions of distribution and use, see copyright notice in png.h - -PREFIX?= /usr/local -LIBDIR= ${PREFIX}/lib -MANDIR= ${PREFIX}/man/cat - -SHLIB_MAJOR= 0 -SHLIB_MINOR= 1.2.34 - -LIB= png -SRCS= png.c pngerror.c pngget.c pngmem.c pngpread.c \ - pngread.c pngrio.c pngrtran.c pngrutil.c pngset.c pngtrans.c \ - pngwio.c pngwrite.c pngwtran.c pngwutil.c - -HDRS= png.h pngconf.h - -CFLAGS+= -W -Wall -CPPFLAGS+= -I${.CURDIR} -DPNG_NO_MMX_CODE - -NOPROFILE= Yes - -CLEANFILES+= pngtest.o pngtest - -MAN= libpng.3 libpngpf.3 png.5 -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO libpng.txt - -pngtest.o: pngtest.c - ${CC} ${CPPFLAGS} ${CFLAGS} -c ${.ALLSRC} -o ${.TARGET} - -pngtest: pngtest.o - ${CC} ${LDFLAGS} ${.ALLSRC} -o ${.TARGET} -L${.OBJDIR} -lpng -lz -lm - -test: pngtest - cd ${.OBJDIR} && env \ - LD_LIBRARY_PATH="${.OBJDIR}" ${.OBJDIR}/pngtest - -beforeinstall: - if [ ! -d ${DESTDIR}${PREFIX}/include/libpng ]; then \ - ${INSTALL} -d -o root -g wheel ${DESTDIR}${PREFIX}/include/libpng; \ - fi - if [ ! -d ${DESTDIR}${LIBDIR} ]; then \ - ${INSTALL} -d -o root -g wheel ${DESTDIR}${LIBDIR}; \ - fi - if [ ! -d ${DESTDIR}${LIBDIR}/debug ]; then \ - ${INSTALL} -d -o root -g wheel ${DESTDIR}${LIBDIR}/debug; \ - fi - if [ ! -d ${DESTDIR}${MANDIR}3 ]; then \ - ${INSTALL} -d -o root -g wheel ${DESTDIR}${MANDIR}3; \ - fi - if [ ! -d ${DESTDIR}${MANDIR}5 ]; then \ - ${INSTALL} -d -o root -g wheel ${DESTDIR}${MANDIR}5; \ - fi - if [ ! -d ${DESTDIR}${PREFIX}/share/doc/png ]; then \ - ${INSTALL} -d -o root -g wheel ${DESTDIR}${PREFIX}/share/doc/png; \ - fi - -afterinstall: - @rm -f ${DESTDIR}${LIBDIR}/libpng_pic.a - @rm -f ${DESTDIR}${LIBDIR}/debug/libpng.a - @rm -f ${DESTDIR}${PREFIX}/include/png.h - @rm -f ${DESTDIR}${PREFIX}/include/pngconf.h - @rmdir ${DESTDIR}${LIBDIR}/debug 2>/dev/null || true - ${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \ - -m ${NONBINMODE} ${HDRS} ${DESTDIR}${PREFIX}/include/libpng - ${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \ - -m ${NONBINMODE} ${HDRS} ${DESTDIR}${PREFIX}/include - ${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \ - -m ${NONBINMODE} ${DOCS} ${DESTDIR}${PREFIX}/share/doc/png - -.include diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.os2 b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.os2 deleted file mode 100644 index 92cfceec6ab..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.os2 +++ /dev/null @@ -1,69 +0,0 @@ -# makefile for libpng on OS/2 with gcc -# For conditions of distribution and use, see copyright notice in png.h - -# Related files: pngos2.def - -CC=gcc -Zomf -s - -# Where the zlib library and include files are located -ZLIBLIB=../zlib -ZLIBINC=../zlib - -WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes #-Wconversion -CFLAGS=-I$(ZLIBINC) -W -Wall -O6 -funroll-loops -malign-loops=2 \ - -malign-functions=2 #$(WARNMORE) -g -DPNG_DEBUG=5 -LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lzdll -Zcrtdll -AR=emxomfar - -PNGLIB=png.lib -IMPLIB=emximp -SHAREDLIB=png.dll -SHAREDLIBIMP=pngdll.lib - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -.SUFFIXES: .c .o - -all: $(PNGLIB) $(SHAREDLIB) $(SHAREDLIBIMP) - -$(PNGLIB): $(OBJS) - $(AR) rc $@ $(OBJS) - -$(SHAREDLIB): $(OBJS) pngos2.def - $(CC) $(LDFLAGS) -Zdll -o $@ $^ - -$(SHAREDLIBIMP): pngos2.def - $(IMPLIB) -o $@ $^ - -pngtest.exe: pngtest.o png.dll pngdll.lib - $(CC) -o $@ $(CFLAGS) $< $(LDFLAGS) - -test: pngtest.exe - ./pngtest.exe - -clean: - rm -f *.o $(PNGLIB) png.dll pngdll.lib pngtest.exe pngout.png - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h -pngerror.o pngerror.pic.o: png.h pngconf.h -pngrio.o pngrio.pic.o: png.h pngconf.h -pngwio.o pngwio.pic.o: png.h pngconf.h -pngmem.o pngmem.pic.o: png.h pngconf.h -pngset.o pngset.pic.o: png.h pngconf.h -pngget.o pngget.pic.o: png.h pngconf.h -pngread.o pngread.pic.o: png.h pngconf.h -pngrtran.o pngrtran.pic.o: png.h pngconf.h -pngrutil.o pngrutil.pic.o: png.h pngconf.h -pngtrans.o pngtrans.pic.o: png.h pngconf.h -pngwrite.o pngwrite.pic.o: png.h pngconf.h -pngwtran.o pngwtran.pic.o: png.h pngconf.h -pngwutil.o pngwutil.pic.o: png.h pngconf.h -pngpread.o pngpread.pic.o: png.h pngconf.h - -pngtest.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.sco b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.sco deleted file mode 100644 index ea9986710bc..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.sco +++ /dev/null @@ -1,229 +0,0 @@ -# makefile for SCO OSr5 ELF and Unixware 7 with Native cc -# Contributed by Mike Hopkirk (hops@sco.com) modified from Makefile.lnx -# force ELF build dynamic linking, SONAME setting in lib and RPATH in app -# Copyright (C) 2002, 2006 Glenn Randers-Pehrson -# Copyright (C) 1998 Greg Roelofs -# Copyright (C) 1996, 1997 Andreas Dilger -# For conditions of distribution and use, see copyright notice in png.h - -# Library name: -LIBNAME = libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).so -LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) -LIBSOVER=$(LIBNAME).so.$(PNGVER) -OLDSO=libpng.so -OLDSOMAJ=libpng.so.3 -OLDSOVER=libpng.so.3.$(PNGMIN) - -# Utilities: -CC=cc -AR_RC=ar rc -MKDIR_P=mkdir -LN_SF=ln -f -s -RANLIB=echo -RM_F=/bin/rm -f - -# where make install puts libpng.a, $(OLDSO)*, and png.h -prefix=/usr/local -exec_prefix=$(prefix) - -# Where the zlib library and include files are located -#ZLIBLIB=/usr/local/lib -#ZLIBINC=/usr/local/include -ZLIBLIB=../zlib -ZLIBINC=../zlib - -CFLAGS= -dy -belf -I$(ZLIBINC) -O3 -DPNG_NO_MMX_CODE -LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz -lm - -INCPATH=$(prefix)/include/libpng -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) -KPIC -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo ccopts=\"-belf\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - $(CC) -G -Wl,-h,$(LIBSOMAJ) -o $(LIBSOVER) \ - $(OBJSDLL) - -$(OLDSOVER): $(OBJSDLL) - $(CC) -G -Wl,-h,$(OLDSOMAJ) -o $(OLDSOVER) \ - $(OBJSDLL) - -pngtest: pngtest.o $(LIBSO) - LD_RUN_PATH=.:$(ZLIBLIB) $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - -@$(RM_F) $(DI)/png.h - -@$(RM_F) $(DI)/pngconf.h - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) $(CFLAGS) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - $(CC) $(CFLAGS) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(ZLIBLIB) \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \ - $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h -pngerror.o pngerror.pic.o: png.h pngconf.h -pngrio.o pngrio.pic.o: png.h pngconf.h -pngwio.o pngwio.pic.o: png.h pngconf.h -pngmem.o pngmem.pic.o: png.h pngconf.h -pngset.o pngset.pic.o: png.h pngconf.h -pngget.o pngget.pic.o: png.h pngconf.h -pngread.o pngread.pic.o: png.h pngconf.h -pngrtran.o pngrtran.pic.o: png.h pngconf.h -pngrutil.o pngrutil.pic.o: png.h pngconf.h -pngtrans.o pngtrans.pic.o: png.h pngconf.h -pngwrite.o pngwrite.pic.o: png.h pngconf.h -pngwtran.o pngwtran.pic.o: png.h pngconf.h -pngwutil.o pngwutil.pic.o: png.h pngconf.h -pngpread.o pngpread.pic.o: png.h pngconf.h - -pngtest.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.sggcc b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.sggcc deleted file mode 100644 index 62598b0c056..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.sggcc +++ /dev/null @@ -1,242 +0,0 @@ -# makefile for libpng.a and libpng12.so, SGI IRIX with 'cc' -# Copyright (C) 2001-2002, 2006 Glenn Randers-Pehrson -# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. -# For conditions of distribution and use, see copyright notice in png.h - -# Library name: -LIBNAME=libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).so -LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) -LIBSOVER=$(LIBNAME).so.$(PNGVER) -OLDSO=libpng.so -OLDSOMAJ=libpng.so.3 -OLDSOVER=libpng.so.3.$(PNGMIN) - -# Utilities: -AR_RC=ar rc -CC=gcc -MKDIR_P=mkdir -p -LN_SF=ln -sf -RANLIB=echo -RM_F=/bin/rm -f - -# Where make install puts libpng.a, libpng12.so, and libpng12/png.h -# Prefix must be a full pathname. - -prefix=/usr/local -exec_prefix=$(prefix) - -# Where the zlib library and include files are located -#ZLIBLIB=/usr/local/lib32 -#ZLIBINC=/usr/local/include -#ZLIBLIB=/usr/local/lib -#ZLIBINC=/usr/local/include -ZLIBLIB=../zlib -ZLIBINC=../zlib - -# ABI can be blank to use default for your system, -32, -o32, -n32, or -64 -# See "man abi". zlib must be built with the same ABI. -ABI= - -WARNMORE= # -g -DPNG_DEBUG=5 -CFLAGS=$(ABI) -I$(ZLIBINC) -O $(WARNMORE) -fPIC -mabi=n32 -DPNG_NO_MMX_CODE -LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm -LDSHARED=cc $(ABI) -shared -soname $(LIBSOMAJ) \ - -set_version sgi$(PNGMAJ).0 -LDLEGACY=cc $(ABI) -shared -soname $(OLDSOMAJ) \ - -set_version sgi$3.0 -# See "man dso" for info about shared objects - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -#LIBPATH=$(exec_prefix)/lib32 -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -all: libpng.a pngtest shared libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -shared: $(LIBSOVER) - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo ccopts=\"$(ABI)\"; \ - echo cppflags=\"-DPNG_NO_MMX_CODE\"; \ - echo ldopts=\"$(ABI)\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo libdir=\"$(LIBPATH)\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJS) - $(LDSHARED) -o $@ $(OBJS) - $(RM_F) $(LIBSO) $(LIBSOMAJ) - -$(OLDSOVER): $(OBJS) - $(LDLEGACY) -o $@ $(OBJS) - -pngtest: pngtest.o libpng.a - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - echo - echo Testing local static library. - ./pngtest - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) \ - -rpath $(ZLIBLIB):$(DL) \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - echo - echo Testing installed dynamic shared library. - $(CC) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(ZLIBLIB) \ - -rpath $(ZLIBLIB):`$(BINPATH)/$(LIBNAME)-config --libdir` \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtesti pngtest.png - -clean: - $(RM_F) libpng.a pngtest pngtesti pngout.png libpng.pc libpng-config \ - $(LIBSO) $(LIBSOMAJ)* \ - $(OLDSOVER) \ - so_locations - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o: png.h pngconf.h -pngerror.o: png.h pngconf.h -pngrio.o: png.h pngconf.h -pngwio.o: png.h pngconf.h -pngmem.o: png.h pngconf.h -pngset.o: png.h pngconf.h -pngget.o: png.h pngconf.h -pngread.o: png.h pngconf.h -pngrtran.o: png.h pngconf.h -pngrutil.o: png.h pngconf.h -pngtest.o: png.h pngconf.h -pngtrans.o: png.h pngconf.h -pngwrite.o: png.h pngconf.h -pngwtran.o: png.h pngconf.h -pngwutil.o: png.h pngconf.h -pngpread.o: png.h pngconf.h - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.sgi b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.sgi deleted file mode 100644 index 217ea7b444c..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.sgi +++ /dev/null @@ -1,245 +0,0 @@ -# makefile for libpng.a and libpng12.so, SGI IRIX with 'cc' -# Copyright (C) 2001-2002, 2006, 2007 Glenn Randers-Pehrson -# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. -# For conditions of distribution and use, see copyright notice in png.h - -# Library name: -LIBNAME=libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).so -LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) -LIBSOVER=$(LIBNAME).so.$(PNGVER) -OLDSO=libpng.so -OLDSOMAJ=libpng.so.3 -OLDSOVER=libpng.so.3.$(PNGMIN) - -# Utilities: -AR_RC=ar rc -CC=cc -MKDIR_P=mkdir -p -LN_SF=ln -sf -RANLIB=echo -RM_F=/bin/rm -f - -# Where make install puts libpng.a, libpng12.so, and libpng12/png.h -# Prefix must be a full pathname. - -prefix=/usr/local -exec_prefix=$(prefix) - -# Where the zlib library and include files are located -#ZLIBLIB=/usr/local/lib32 -#ZLIBINC=/usr/local/include -#ZLIBLIB=/usr/local/lib -#ZLIBINC=/usr/local/include -ZLIBLIB=../zlib -ZLIBINC=../zlib - -# ABI can be blank to use default for your system, -32, -o32, -n32, or -64 -# See "man abi". zlib must be built with the same ABI. -ABI= - -WARNMORE=-fullwarn -# Note: -KPIC is the default anyhow -#CFLAGS= $(ABI) -I$(ZLIBINC) -O $(WARNMORE) -KPIC -DPNG_NO_MMX_CODE # -g -DPNG_DEBUG=5 -CFLAGS=$(ABI) -I$(ZLIBINC) -O $(WARNMORE) -DPNG_NO_MMX_CODE -LDFLAGS_A=$(ABI) -L. -L$(ZLIBLIB) -lpng12 -lz -lm -LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm -LDSHARED=cc $(ABI) -shared -soname $(LIBSOMAJ) \ - -set_version sgi$(PNGMAJ).0 -LDLEGACY=cc $(ABI) -shared -soname $(OLDSOMAJ) \ - -set_version sgi$3.0 -# See "man dso" for info about shared objects - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -#LIBPATH=$(exec_prefix)/lib32 -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -all: libpng.a pngtest shared libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -shared: $(LIBSOVER) - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo cppflags=\"-DPNG_NO_MMX_CODE\"; \ - echo ccopts=\"$(ABI)\"; \ - echo ldopts=\"$(ABI)\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo libdir=\"$(LIBPATH)\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJS) - $(LDSHARED) -o $@ $(OBJS) - $(RM_F) $(LIBSO) $(LIBSOMAJ) - -$(OLDSOVER): $(OBJS) - $(LDLEGACY) -o $@ $(OBJS) - -pngtest: pngtest.o libpng.a - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - echo - echo Testing local static library. - ./pngtest - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) \ - -rpath $(ZLIBLIB):$(DL) \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - echo - echo Testing installed dynamic shared library. - $(CC) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(ZLIBLIB) \ - -rpath $(ZLIBLIB):`$(BINPATH)/$(LIBNAME)-config --libdir` \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngtesti pngout.png libpng.pc libpng-config \ - $(LIBSO) $(LIBSOMAJ)* \ - $(OLDSOVER) \ - so_locations - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o: png.h pngconf.h -pngerror.o: png.h pngconf.h -pngrio.o: png.h pngconf.h -pngwio.o: png.h pngconf.h -pngmem.o: png.h pngconf.h -pngset.o: png.h pngconf.h -pngget.o: png.h pngconf.h -pngread.o: png.h pngconf.h -pngrtran.o: png.h pngconf.h -pngrutil.o: png.h pngconf.h -pngtest.o: png.h pngconf.h -pngtrans.o: png.h pngconf.h -pngwrite.o: png.h pngconf.h -pngwtran.o: png.h pngconf.h -pngwutil.o: png.h pngconf.h -pngpread.o: png.h pngconf.h - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.so9 b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.so9 deleted file mode 100644 index 7adf259383c..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.so9 +++ /dev/null @@ -1,251 +0,0 @@ -# makefile for libpng on Solaris 9 (beta) with Forte cc -# Updated by Chad Schrock for Solaris 9 -# Contributed by William L. Sebok, based on makefile.linux -# Copyright (C) 2002, 2006, 2008 Glenn Randers-Pehrson -# Copyright (C) 1998-2001 Greg Roelofs -# Copyright (C) 1996-1997 Andreas Dilger -# For conditions of distribution and use, see copyright notice in png.h - -# Library name: -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) -LIBNAME = libpng12 - -# Shared library names: -LIBSO=$(LIBNAME).so -LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) -LIBSOVER=$(LIBNAME).so.$(PNGVER) -OLDSO=libpng.so -OLDSOMAJ=libpng.so.3 -OLDSOVER=libpng.so.3.$(PNGMIN) - -# Utilities: -# gcc 2.95 doesn't work. -CC=cc -AR_RC=ar rc -MKDIR_P=mkdir -p -LN_SF=ln -f -s -RANLIB=echo -RM_F=/bin/rm -f - -# Where make install puts libpng.a, $(OLDSO)*, and png.h -prefix=/usr/local -exec_prefix=$(prefix) - -# Where the zlib library and include files are located -# Changing these to ../zlib poses a security risk. If you want -# to have zlib in an adjacent directory, specify the full path instead of "..". -#ZLIBLIB=../zlib -#ZLIBINC=../zlib -#ZLIBLIB=/usr/local/lib -#ZLIBINC=/usr/local/include -#Use the preinstalled zlib that comes with Solaris 9: -ZLIBLIB=/usr/lib -ZLIBINC=/usr/include - -#WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes #-Wconversion -#CFLAGS=-I$(ZLIBINC) -W -Wall -O3 $(WARNMORE) -g -DPNG_DEBUG=5 -DPNG_NO_MMX_CODE -CFLAGS=-I$(ZLIBINC) -O3 -DPNG_NO_MMX_CODE -LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) -KPIC -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo R_opts=\"-R$(LIBPATH)\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - @case "`type ld`" in *ucb*) \ - echo; \ - echo '## WARNING:'; \ - echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \ - echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \ - echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \ - echo '## The environment variable LD_LIBRARY_PATH should not be set'; \ - echo '## at all. If it is, things are likely to break because of'; \ - echo '## the libucb dependency that is created.'; \ - echo; \ - ;; \ - esac - $(LD) -G -h $(LIBSOMAJ) \ - -o $(LIBSOVER) $(OBJSDLL) - -$(OLDSOVER): $(OBJS) - $(LD) -G -h $(OLDSOMAJ) \ - -o $(OLDSOVER) $(OBJSDLL) - -pngtest: pngtest.o $(LIBSO) - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` \ - -L$(DL) -L$(ZLIBLIB) -R$(ZLIBLIB) -R$(DL) - ./pngtestd pngtest.png - -test-installed: - echo - echo Testing installed dynamic shared library. - $(CC) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` \ - -L$(ZLIBLIB) -R$(ZLIBLIB) - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \ - libpng-config $(LIBSO) $(LIBSOMAJ)* \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h -pngerror.o pngerror.pic.o: png.h pngconf.h -pngrio.o pngrio.pic.o: png.h pngconf.h -pngwio.o pngwio.pic.o: png.h pngconf.h -pngmem.o pngmem.pic.o: png.h pngconf.h -pngset.o pngset.pic.o: png.h pngconf.h -pngget.o pngget.pic.o: png.h pngconf.h -pngread.o pngread.pic.o: png.h pngconf.h -pngrtran.o pngrtran.pic.o: png.h pngconf.h -pngrutil.o pngrutil.pic.o: png.h pngconf.h -pngtrans.o pngtrans.pic.o: png.h pngconf.h -pngwrite.o pngwrite.pic.o: png.h pngconf.h -pngwtran.o pngwtran.pic.o: png.h pngconf.h -pngwutil.o pngwutil.pic.o: png.h pngconf.h -pngpread.o pngpread.pic.o: png.h pngconf.h - -pngtest.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.solaris b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.solaris deleted file mode 100644 index e71bd83358f..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.solaris +++ /dev/null @@ -1,249 +0,0 @@ -# makefile for libpng on Solaris 2.x with gcc -# Copyright (C) 2004, 2006-2008 Glenn Randers-Pehrson -# Contributed by William L. Sebok, based on makefile.linux -# Copyright (C) 1998 Greg Roelofs -# Copyright (C) 1996, 1997 Andreas Dilger -# For conditions of distribution and use, see copyright notice in png.h - -# Library name: -LIBNAME = libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).so -LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) -LIBSOVER=$(LIBNAME).so.$(PNGVER) -OLDSO=libpng.so -OLDSOMAJ=libpng.so.3 -OLDSOVER=libpng.so.3.$(PNGMIN) - -# Utilities: -AR_RC=ar rc -CC=gcc -MKDIR_P=mkdir -p -LN_SF=ln -f -s -RANLIB=echo -RM_F=/bin/rm -f - -# Where make install puts libpng.a, libpng12.so*, and png.h -prefix=/usr/local -exec_prefix=$(prefix) - -# Where the zlib library and include files are located -# Changing these to ../zlib poses a security risk. If you want -# to have zlib in an adjacent directory, specify the full path instead of "..". -#ZLIBLIB=../zlib -#ZLIBINC=../zlib - -ZLIBLIB=/usr/local/lib -ZLIBINC=/usr/local/include - -WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes #-Wconversion -CFLAGS=-I$(ZLIBINC) -W -Wall -O \ - -DPNG_NO_MMX_CODE; \ - # $(WARNMORE) -g -DPNG_DEBUG=5 -LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo cppflags=\"-DPNG_NO_MMX_CODE\"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo R_opts=\"-R$(LIBPATH)\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - @case "`type ld`" in *ucb*) \ - echo; \ - echo '## WARNING:'; \ - echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \ - echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \ - echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \ - echo '## The environment variable LD_LIBRARY_PATH should not be set'; \ - echo '## at all. If it is, things are likely to break because of'; \ - echo '## the libucb dependency that is created.'; \ - echo; \ - ;; \ - esac - $(LD) -G -h $(LIBSOMAJ) \ - -o $(LIBSOVER) $(OBJSDLL) - -$(OLDSOVER): $(OBJS) - $(LD) -G -h $(OLDSOMAJ) \ - -o $(OLDSOVER) $(OBJSDLL) - -pngtest: pngtest.o $(LIBSO) - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` \ - -L$(DL) -L$(ZLIBLIB) -R$(ZLIBLIB) -R$(DL) - ./pngtestd pngtest.png - -test-installed: - echo - echo Testing installed dynamic shared library. - $(CC) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` \ - -L$(ZLIBLIB) -R$(ZLIBLIB) - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \ - libpng-config $(LIBSO) $(LIBSOMAJ)* \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h -pngerror.o pngerror.pic.o: png.h pngconf.h -pngrio.o pngrio.pic.o: png.h pngconf.h -pngwio.o pngwio.pic.o: png.h pngconf.h -pngmem.o pngmem.pic.o: png.h pngconf.h -pngset.o pngset.pic.o: png.h pngconf.h -pngget.o pngget.pic.o: png.h pngconf.h -pngread.o pngread.pic.o: png.h pngconf.h -pngrtran.o pngrtran.pic.o: png.h pngconf.h -pngrutil.o pngrutil.pic.o: png.h pngconf.h -pngtrans.o pngtrans.pic.o: png.h pngconf.h -pngwrite.o pngwrite.pic.o: png.h pngconf.h -pngwtran.o pngwtran.pic.o: png.h pngconf.h -pngwutil.o pngwutil.pic.o: png.h pngconf.h -pngpread.o pngpread.pic.o: png.h pngconf.h - -pngtest.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.solaris-x86 b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.solaris-x86 deleted file mode 100644 index 33e3703b922..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.solaris-x86 +++ /dev/null @@ -1,248 +0,0 @@ -# makefile for libpng on Solaris 2.x with gcc -# Copyright (C) 2004, 2006-2008 Glenn Randers-Pehrson -# Contributed by William L. Sebok, based on makefile.linux -# Copyright (C) 1998 Greg Roelofs -# Copyright (C) 1996, 1997 Andreas Dilger -# For conditions of distribution and use, see copyright notice in png.h - -# Library name: -LIBNAME = libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.34 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).so -LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) -LIBSOVER=$(LIBNAME).so.$(PNGVER) -OLDSO=libpng.so -OLDSOMAJ=libpng.so.3 -OLDSOVER=libpng.so.3.$(PNGMIN) - -# Utilities: -AR_RC=ar rc -CC=gcc -MKDIR_P=mkdir -p -LN_SF=ln -f -s -RANLIB=echo -RM_F=/bin/rm -f - -# Where make install puts libpng.a, libpng12.so*, and png.h -prefix=/usr/local -exec_prefix=$(prefix) - -# Where the zlib library and include files are located -# Changing these to ../zlib poses a security risk. If you want -# to have zlib in an adjacent directory, specify the full path instead of "..". -#ZLIBLIB=../zlib -#ZLIBINC=../zlib - -ZLIBLIB=/usr/local/lib -ZLIBINC=/usr/local/include - -WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes #-Wconversion -CFLAGS=-I$(ZLIBINC) -W -Wall -O \ - # $(WARNMORE) -g -DPNG_DEBUG=5 -LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo cppflags=\""; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo R_opts=\"-R$(LIBPATH)\"; \ - echo libs=\"-lpng12 -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - @case "`type ld`" in *ucb*) \ - echo; \ - echo '## WARNING:'; \ - echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \ - echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \ - echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \ - echo '## The environment variable LD_LIBRARY_PATH should not be set'; \ - echo '## at all. If it is, things are likely to break because of'; \ - echo '## the libucb dependency that is created.'; \ - echo; \ - ;; \ - esac - $(LD) -G -h $(LIBSOMAJ) \ - -o $(LIBSOVER) $(OBJSDLL) - -$(OLDSOVER): $(OBJS) - $(LD) -G -h $(OLDSOMAJ) \ - -o $(OLDSOVER) $(OBJSDLL) - -pngtest: pngtest.o $(LIBSO) - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` \ - -L$(DL) -L$(ZLIBLIB) -R$(ZLIBLIB) -R$(DL) - ./pngtestd pngtest.png - -test-installed: - echo - echo Testing installed dynamic shared library. - $(CC) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` \ - -L$(ZLIBLIB) -R$(ZLIBLIB) - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \ - libpng-config $(LIBSO) $(LIBSOMAJ)* \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: png.h pngconf.h -pngerror.o pngerror.pic.o: png.h pngconf.h -pngrio.o pngrio.pic.o: png.h pngconf.h -pngwio.o pngwio.pic.o: png.h pngconf.h -pngmem.o pngmem.pic.o: png.h pngconf.h -pngset.o pngset.pic.o: png.h pngconf.h -pngget.o pngget.pic.o: png.h pngconf.h -pngread.o pngread.pic.o: png.h pngconf.h -pngrtran.o pngrtran.pic.o: png.h pngconf.h -pngrutil.o pngrutil.pic.o: png.h pngconf.h -pngtrans.o pngtrans.pic.o: png.h pngconf.h -pngwrite.o pngwrite.pic.o: png.h pngconf.h -pngwtran.o pngwtran.pic.o: png.h pngconf.h -pngwutil.o pngwutil.pic.o: png.h pngconf.h -pngpread.o pngpread.pic.o: png.h pngconf.h - -pngtest.o: png.h pngconf.h diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.std b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.std deleted file mode 100644 index 9b1925d6a05..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.std +++ /dev/null @@ -1,92 +0,0 @@ -# makefile for libpng -# Copyright (C) 2002, 2006 Glenn Randers-Pehrson -# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. -# For conditions of distribution and use, see copyright notice in png.h - -# where make install puts libpng.a and png.h -prefix=/usr/local -INCPATH=$(prefix)/include -LIBPATH=$(prefix)/lib - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -# Where the zlib library and include files are located -#ZLIBLIB=/usr/local/lib -#ZLIBINC=/usr/local/include -ZLIBLIB=../zlib -ZLIBINC=../zlib - -CC=cc -AR_RC=ar rc -MKDIR_P=mkdir -LN_SF=ln -sf -RANLIB=ranlib -RM_F=rm -f - -CFLAGS=-I$(ZLIBINC) -O # -g -DPNG_DEBUG=5 -LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -all: libpng.a pngtest - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -pngtest: pngtest.o libpng.a - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install: libpng.a - -@$(MKDIR_P) $(DESTDIR)$(INCPATH) - -@$(MKDIR_P) $(DESTDIR)$(INCPATH)/libpng - -@$(MKDIR_P) $(DESTDIR)$(LIBPATH) - -@$(RM_F) $(DESTDIR)$(INCPATH)/png.h - -@$(RM_F) $(DESTDIR)$(INCPATH)/pngconf.h - cp png.h $(DESTDIR)$(INCPATH)/libpng - cp pngconf.h $(DESTDIR)$(INCPATH)/libpng - chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h - chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h - (cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .) - cp libpng.a $(DESTDIR)$(LIBPATH) - chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a - -clean: - $(RM_F) *.o libpng.a pngtest pngout.png - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o: png.h pngconf.h -pngerror.o: png.h pngconf.h -pngrio.o: png.h pngconf.h -pngwio.o: png.h pngconf.h -pngmem.o: png.h pngconf.h -pngset.o: png.h pngconf.h -pngget.o: png.h pngconf.h -pngread.o: png.h pngconf.h -pngrtran.o: png.h pngconf.h -pngrutil.o: png.h pngconf.h -pngtest.o: png.h pngconf.h -pngtrans.o: png.h pngconf.h -pngwrite.o: png.h pngconf.h -pngwtran.o: png.h pngconf.h -pngwutil.o: png.h pngconf.h -pngpread.o: png.h pngconf.h - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.sunos b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.sunos deleted file mode 100644 index ff19591204c..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.sunos +++ /dev/null @@ -1,97 +0,0 @@ -# makefile for libpng -# Copyright (C) 2002, 2006 Glenn Randers-Pehrson -# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. -# For conditions of distribution and use, see copyright notice in png.h - -# where make install puts libpng.a and png.h -prefix=/usr/local -INCPATH=$(prefix)/include -LIBPATH=$(prefix)/lib - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -# Where the zlib library and include files are located -#ZLIBLIB=/usr/local/lib -#ZLIBINC=/usr/local/include -ZLIBLIB=../zlib -ZLIBINC=../zlib - - -WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow -Wconversion \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes - -CC=gcc -AR_RC=ar rc -MKDIR_P=mkdir -p -LN_SF=ln -f -s -RANLIB=ranlib -RM_F=/bin/rm -f - -CFLAGS=-I$(ZLIBINC) -O # $(WARNMORE) -DPNG_DEBUG=5 -LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -all: libpng.a pngtest - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -pngtest: pngtest.o libpng.a - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install: libpng.a - -@$(MKDIR_P) $(DESTDIR)$(INCPATH) - -@$(MKDIR_P) $(DESTDIR)$(INCPATH)/libpng - -@$(MKDIR_P) $(DESTDIR)$(LIBPATH) - -@$(RM_F) $(DESTDIR)$(INCPATH)/png.h - -@$(RM_F) $(DESTDIR)$(INCPATH)/pngconf.h - cp png.h $(DESTDIR)$(INCPATH)/libpng - cp pngconf.h $(DESTDIR)$(INCPATH)/libpng - chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h - chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h - (cd $(DESTDIR)$(INCPATH); $(LN_SF) libpng/* .) - cp libpng.a $(DESTDIR)$(LIBPATH) - chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a - -clean: - $(RM_F) *.o libpng.a pngtest pngout.png - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o: png.h pngconf.h -pngerror.o: png.h pngconf.h -pngrio.o: png.h pngconf.h -pngwio.o: png.h pngconf.h -pngmem.o: png.h pngconf.h -pngset.o: png.h pngconf.h -pngget.o: png.h pngconf.h -pngread.o: png.h pngconf.h -pngrtran.o: png.h pngconf.h -pngrutil.o: png.h pngconf.h -pngtest.o: png.h pngconf.h -pngtrans.o: png.h pngconf.h -pngwrite.o: png.h pngconf.h -pngwtran.o: png.h pngconf.h -pngwutil.o: png.h pngconf.h -pngpread.o: png.h pngconf.h - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.tc3 b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.tc3 deleted file mode 100644 index 21435a68edb..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.tc3 +++ /dev/null @@ -1,89 +0,0 @@ -# Makefile for libpng -# TurboC/C++ (Note: All modules are compiled in C mode) - -# To use, do "make -fmakefile.tc3" - -# ----- Turbo C 3.00 (can be modified to work with earlier versions) ----- - -MODEL=l -CFLAGS=-O2 -Z -m$(MODEL) -I..\zlib -#CFLAGS=-D_NO_PROTO -O2 -Z -m$(MODEL) -I..\zlib # Turbo C older than 3.00 -CC=tcc -LD=tcc -LIB=tlib -LDFLAGS=-m$(MODEL) -L..\zlib -O=.obj -E=.exe - -# variables -OBJS1 = png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O) -OBJS2 = pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O) -OBJS3 = pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O) -OBJSL1 = +png$(O) +pngset$(O) +pngget$(O) +pngrutil$(O) +pngtrans$(O) -OBJSL2 = +pngwutil$(O) +pngmem$(O) +pngpread$(O) +pngread$(O) +pngerror$(O) -OBJSL3 = +pngwrite$(O) +pngrtran$(O) +pngwtran$(O) +pngrio$(O) +pngwio$(O) - -all: libpng$(MODEL).lib pngtest$(E) - -pngtest: pngtest$(E) - -test: pngtest$(E) - pngtest$(E) - -png$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngset$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngget$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngread$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngpread$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngrtran$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngrutil$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngerror$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngmem$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngrio$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngwio$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngtest$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngtrans$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngwrite$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngwtran$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -pngwutil$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c - -libpng$(MODEL).lib: $(OBJS1) $(OBJS2) $(OBJS3) - $(LIB) libpng$(MODEL) +$(OBJSL1) - $(LIB) libpng$(MODEL) +$(OBJSL2) - $(LIB) libpng$(MODEL) +$(OBJSL3) - -pngtest$(E): pngtest$(O) libpng$(MODEL).lib - $(LD) $(LDFLAGS) pngtest.obj libpng$(MODEL).lib zlib_$(MODEL).lib - -# End of makefile for libpng diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.vcawin32 b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.vcawin32 deleted file mode 100644 index 99f54305333..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.vcawin32 +++ /dev/null @@ -1,99 +0,0 @@ -# makefile for libpng -# Copyright (C) 1998 Tim Wegner -# For conditions of distribution and use, see copyright notice in png.h -# Assumes that zlib.lib, zconf.h, and zlib.h have been copied to ..\zlib -# To use, do "nmake /f scripts\makefile.vcawin32" - -# -------- Microsoft Visual C++ 5.0 and later, uses assembler code -------- -# If you don't want to use assembler (MMX) code, use makefile.vcwin32 instead. - -# Compiler, linker, librarian, and other tools -CC = cl -LD = link -AR = lib -CFLAGS = -DPNG_USE_PNGVCRD -nologo -MD -O2 -W3 -I..\zlib -LDFLAGS = -nologo -ARFLAGS = -nologo -RM = del - -# File extensions -O=.obj - -#uncomment next to put error messages in a file -#ERRFILE= >> pngerrs.log - -# Variables -OBJS1 = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O) -OBJS2 = pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) pngset$(O) -OBJS3 = pngtrans$(O) pngwio$(O) pngwrite$(O) pngwtran$(O) pngwutil$(O) -OBJS = $(OBJS1) $(OBJS2) $(OBJS3) - -# Targets -all: libpng.lib - -png$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngset$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngget$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngread$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngpread$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngrtran$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngrutil$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngerror$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngmem$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngrio$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngwio$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngtest$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngtrans$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngwrite$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngwtran$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngwutil$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -libpng.lib: $(OBJS) - -$(RM) $@ - $(AR) $(ARFLAGS) -out:$@ $(OBJS) $(ERRFILE) - -pngtest.exe: pngtest$(O) libpng.lib - $(LD) $(LDFLAGS) -out:$@ pngtest$(O) libpng.lib ..\zlib\zlib.lib $(ERRFILE) - -test: pngtest.exe - pngtest - -clean: - -$(RM) *$(O) - -$(RM) libpng.lib - -$(RM) pngtest.exe - -$(RM) pngout.png - -# End of makefile for libpng - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.vcwin32 b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.vcwin32 deleted file mode 100644 index fc6ece67dee..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.vcwin32 +++ /dev/null @@ -1,99 +0,0 @@ -# makefile for libpng -# Copyright (C) 1998 Tim Wegner -# For conditions of distribution and use, see copyright notice in png.h -# Assumes that zlib.lib, zconf.h, and zlib.h have been copied to ..\zlib -# To use, do "nmake /f scripts\makefile.vcwin32" - -# -------- Microsoft Visual C++ 2.0 and later, no assembler code -------- -# If you want to use assembler (MMX) code, use makefile.vcawin32 instead. - -# Compiler, linker, librarian, and other tools -CC = cl -LD = link -AR = lib -CFLAGS = -nologo -DPNG_NO_MMX_CODE -MD -O2 -W3 -I..\zlib -LDFLAGS = -nologo -ARFLAGS = -nologo -RM = del - -# File extensions -O=.obj - -#uncomment next to put error messages in a file -#ERRFILE= >> pngerrs.log - -# Variables -OBJS1 = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O) -OBJS2 = pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) pngset$(O) -OBJS3 = pngtrans$(O) pngwio$(O) pngwrite$(O) pngwtran$(O) pngwutil$(O) -OBJS = $(OBJS1) $(OBJS2) $(OBJS3) - -# Targets -all: libpng.lib - -png$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngset$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngget$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngread$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngpread$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngrtran$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngrutil$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngerror$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngmem$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngrio$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngwio$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngtest$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngtrans$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngwrite$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngwtran$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -pngwutil$(O): png.h pngconf.h - $(CC) -c $(CFLAGS) $*.c $(ERRFILE) - -libpng.lib: $(OBJS) - -$(RM) $@ - $(AR) $(ARFLAGS) -out:$@ $(OBJS) $(ERRFILE) - -pngtest.exe: pngtest$(O) libpng.lib - $(LD) $(LDFLAGS) -out:$@ pngtest$(O) libpng.lib ..\zlib\zlib.lib $(ERRFILE) - -test: pngtest.exe - pngtest - -clean: - -$(RM) *$(O) - -$(RM) libpng.lib - -$(RM) pngtest.exe - -$(RM) pngout.png - -# End of makefile for libpng - diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.watcom b/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.watcom deleted file mode 100644 index 5e860fc06c7..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makefile.watcom +++ /dev/null @@ -1,109 +0,0 @@ -# Makefile for libpng -# Watcom C/C++ 10.0 and later, 32-bit protected mode, flat memory model - -# Copyright (C) 2000, Pawel Mrochen, based on makefile.msc which is -# copyright 1995 Guy Eric Schalnat, Group 42, Inc. -# For conditions of distribution and use, see copyright notice in png.h - -# To use, do "wmake /f scripts\makefile.watcom" - - -# ---------------------- Watcom C/C++ 10.0 and later ----------------------- - -# Where the zlib library and include files are located -ZLIBLIB=..\zlib -ZLIBINC=..\zlib - -# Target OS -OS=DOS -#OS=NT - -# Target CPU -CPU=6 # Pentium Pro -#CPU=5 # Pentium - -# Calling convention -CALLING=r # registers -#CALLING=s # stack - -# Uncomment next to put error messages in a file -#ERRFILE=>>pngerrs - -# -------------------------------------------------------------------------- - - -CC=wcc386 -CFLAGS=-$(CPU)$(CALLING) -fp$(CPU) -fpi87 -oneatx -mf -bt=$(OS) -i=$(ZLIBINC) -zq -LD=wcl386 -LDFLAGS=-zq - -O=.obj - -OBJS1=png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O) -OBJS2=pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O) -OBJS3=pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O) - - -all: test - -png$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngset$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngget$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngread$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngpread$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngrtran$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngrutil$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngerror$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngmem$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngrio$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngwio$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngtest$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngtrans$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngwrite$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngwtran$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -pngwutil$(O): png.h pngconf.h - $(CC) $(CFLAGS) $*.c $(ERRFILE) - -libpng.lib: $(OBJS1) $(OBJS2) $(OBJS3) - wlib -b -c -n -q libpng.lib $(OBJS1) - wlib -b -c -q libpng.lib $(OBJS2) - wlib -b -c -q libpng.lib $(OBJS3) - -pngtest.exe: pngtest.obj libpng.lib - $(LD) $(LDFLAGS) pngtest.obj libpng.lib $(ZLIBLIB)\zlib.lib - -test: pngtest.exe .symbolic - pngtest.exe - - -# End of makefile for libpng diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/makevms.com b/Build/source/libs/libpng/libpng-1.2.34/scripts/makevms.com deleted file mode 100644 index b9e389555e4..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/makevms.com +++ /dev/null @@ -1,144 +0,0 @@ -$! make libpng under VMS -$! -$! -$! Check for MMK/MMS -$! -$! This procedure accepts one parameter (contrib), which causes it to build -$! the programs from the contrib directory instead of libpng. -$! -$ p1 = f$edit(p1,"UPCASE") -$ if p1 .eqs. "CONTRIB" -$ then -$ set def [.contrib.gregbook] -$ @makevms -$ set def [-.pngminus] -$ @makevms -$ set def [--] -$ exit -$ endif -$ Make = "" -$ If F$Search ("Sys$System:MMS.EXE") .nes. "" Then Make = "MMS" -$ If F$Type (MMK) .eqs. "STRING" Then Make = "MMK" -$! -$! Look for the compiler used -$! -$ zlibsrc = "[-.zlib]" -$ ccopt="/include=''zlibsrc'" -$ if f$getsyi("HW_MODEL").ge.1024 -$ then -$ ccopt = "/prefix=all"+ccopt -$ comp = "__decc__=1" -$ if f$trnlnm("SYS").eqs."" then define sys sys$library: -$ else -$ if f$search("SYS$SYSTEM:DECC$COMPILER.EXE").eqs."" -$ then -$ if f$trnlnm("SYS").eqs."" then define sys sys$library: -$ if f$search("SYS$SYSTEM:VAXC.EXE").eqs."" -$ then -$ comp = "__gcc__=1" -$ CC :== GCC -$ else -$ comp = "__vaxc__=1" -$ endif -$ else -$ if f$trnlnm("SYS").eqs."" then define sys decc$library_include: -$ ccopt = "/decc/prefix=all"+ccopt -$ comp = "__decc__=1" -$ endif -$ endif -$! -$! Build the thing plain or with mms/mmk -$! -$ write sys$output "Compiling Libpng sources ..." -$ if make.eqs."" -$ then -$ dele pngtest.obj;* -$ CALL MAKE png.OBJ "cc ''CCOPT' png" - - png.c png.h pngconf.h -$ CALL MAKE pngpread.OBJ "cc ''CCOPT' pngpread" - - pngpread.c png.h pngconf.h -$ CALL MAKE pngset.OBJ "cc ''CCOPT' pngset" - - pngset.c png.h pngconf.h -$ CALL MAKE pngget.OBJ "cc ''CCOPT' pngget" - - pngget.c png.h pngconf.h -$ CALL MAKE pngread.OBJ "cc ''CCOPT' pngread" - - pngread.c png.h pngconf.h -$ CALL MAKE pngpread.OBJ "cc ''CCOPT' pngpread" - - pngpread.c png.h pngconf.h -$ CALL MAKE pngrtran.OBJ "cc ''CCOPT' pngrtran" - - pngrtran.c png.h pngconf.h -$ CALL MAKE pngrutil.OBJ "cc ''CCOPT' pngrutil" - - pngrutil.c png.h pngconf.h -$ CALL MAKE pngerror.OBJ "cc ''CCOPT' pngerror" - - pngerror.c png.h pngconf.h -$ CALL MAKE pngmem.OBJ "cc ''CCOPT' pngmem" - - pngmem.c png.h pngconf.h -$ CALL MAKE pngrio.OBJ "cc ''CCOPT' pngrio" - - pngrio.c png.h pngconf.h -$ CALL MAKE pngwio.OBJ "cc ''CCOPT' pngwio" - - pngwio.c png.h pngconf.h -$ CALL MAKE pngtrans.OBJ "cc ''CCOPT' pngtrans" - - pngtrans.c png.h pngconf.h -$ CALL MAKE pngwrite.OBJ "cc ''CCOPT' pngwrite" - - pngwrite.c png.h pngconf.h -$ CALL MAKE pngwtran.OBJ "cc ''CCOPT' pngwtran" - - pngwtran.c png.h pngconf.h -$ CALL MAKE pngwutil.OBJ "cc ''CCOPT' pngwutil" - - pngwutil.c png.h pngconf.h -$ write sys$output "Building Libpng ..." -$ CALL MAKE libpng.OLB "lib/crea libpng.olb *.obj" *.OBJ -$ write sys$output "Building pngtest..." -$ CALL MAKE pngtest.OBJ "cc ''CCOPT' pngtest" - - pngtest.c png.h pngconf.h -$ call make pngtest.exe - - "LINK pngtest,libpng.olb/lib,''zlibsrc'libz.olb/lib" - - pngtest.obj libpng.olb -$ write sys$output "Testing Libpng..." -$ run pngtest -$ else -$ if f$search("DESCRIP.MMS") .eqs. "" then copy/nolog [.SCRIPTS]DESCRIP.MMS [] -$ 'make'/macro=('comp',zlibsrc='zlibsrc') -$ endif -$ write sys$output "Libpng build completed" -$ exit -$! -$! -$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES -$ V = 'F$Verify(0) -$! P1 = What we are trying to make -$! P2 = Command to make it -$! P3 - P8 What it depends on -$ -$ If F$Search(P1) .Eqs. "" Then Goto Makeit -$ Time = F$CvTime(F$File(P1,"RDT")) -$arg=3 -$Loop: -$ Argument = P'arg -$ If Argument .Eqs. "" Then Goto Exit -$ El=0 -$Loop2: -$ File = F$Element(El," ",Argument) -$ If File .Eqs. " " Then Goto Endl -$ AFile = "" -$Loop3: -$ OFile = AFile -$ AFile = F$Search(File) -$ If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl -$ If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit -$ Goto Loop3 -$NextEL: -$ El = El + 1 -$ Goto Loop2 -$EndL: -$ arg=arg+1 -$ If arg .Le. 8 Then Goto Loop -$ Goto Exit -$ -$Makeit: -$ VV=F$VERIFY(0) -$ write sys$output P2 -$ 'P2 -$ VV='F$Verify(VV) -$Exit: -$ If V Then Set Verify -$ENDSUBROUTINE diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/pngos2.def b/Build/source/libs/libpng/libpng-1.2.34/scripts/pngos2.def deleted file mode 100644 index 6573c5d6cbe..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/pngos2.def +++ /dev/null @@ -1,257 +0,0 @@ -;---------------------------------------- -; PNG.LIB module definition file for OS/2 -;---------------------------------------- - -; Version 1.2.34 - -LIBRARY PNG -DESCRIPTION "PNG image compression library for OS/2" -CODE PRELOAD MOVEABLE DISCARDABLE -DATA PRELOAD MOVEABLE MULTIPLE - -EXPORTS - - - png_build_grayscale_palette - png_check_sig - png_chunk_error - png_chunk_warning - png_convert_from_struct_tm - png_convert_from_time_t - png_create_info_struct - png_create_read_struct - png_create_write_struct - png_data_freer - png_destroy_info_struct - png_destroy_read_struct - png_destroy_write_struct - png_error - png_free - png_free_data - png_get_IHDR - png_get_PLTE - png_get_bKGD - png_get_bit_depth - png_get_cHRM - png_get_cHRM_fixed - png_get_channels - png_get_color_type - png_get_compression_buffer_size - png_get_compression_type - png_get_copyright - png_get_error_ptr - png_get_filter_type - png_get_gAMA - png_get_gAMA_fixed - png_get_hIST - png_get_header_ver - png_get_header_version - png_get_iCCP - png_get_image_height - png_get_image_width - png_get_interlace_type - png_get_io_ptr - png_get_libpng_ver - png_get_oFFs - png_get_pCAL - png_get_pHYs - png_get_pixel_aspect_ratio - png_get_pixels_per_meter - png_get_progressive_ptr - png_get_rgb_to_gray_status - png_get_rowbytes - png_get_rows - png_get_sBIT - png_get_sCAL - png_get_sPLT - png_get_sRGB - png_get_signature - png_get_tIME - png_get_tRNS - png_get_text - png_get_unknown_chunks - png_get_user_chunk_ptr - png_get_user_transform_ptr - png_get_valid - png_get_x_offset_microns - png_get_x_offset_pixels - png_get_x_pixels_per_meter - png_get_y_offset_microns - png_get_y_offset_pixels - png_get_y_pixels_per_meter - png_malloc - png_memcpy_check - png_memset_check - png_permit_empty_plte - png_process_data - png_progressive_combine_row - png_read_end - png_read_image - png_read_info -; png_read_init ; deprecated - png_read_png - png_read_row - png_read_rows - png_read_update_info - png_reset_zstream - png_set_IHDR - png_set_PLTE - png_set_bKGD - png_set_background - png_set_bgr - png_set_cHRM - png_set_cHRM_fixed - png_set_compression_buffer_size - png_set_compression_level - png_set_compression_mem_level - png_set_compression_method - png_set_compression_strategy - png_set_compression_window_bits - png_set_crc_action - png_set_dither - png_set_error_fn - png_set_expand - png_set_filler - png_set_filter - png_set_filter_heuristics - png_set_flush - png_set_gAMA - png_set_gAMA_fixed - png_set_gamma -; png_set_gray_1_2_4_to_8 ; deprecated as of libpng-1.2.9 - png_set_gray_to_rgb - png_set_hIST - png_set_iCCP - png_set_interlace_handling - png_set_invert_alpha - png_set_invert_mono - png_set_keep_unknown_chunks - png_set_oFFs - png_set_pCAL - png_set_pHYs - png_set_packing - png_set_packswap - png_set_palette_to_rgb - png_set_progressive_read_fn - png_set_read_fn - png_set_read_status_fn - png_set_read_user_chunk_fn - png_set_read_user_transform_fn - png_set_rgb_to_gray - png_set_rgb_to_gray_fixed - png_set_rows - png_set_sBIT - png_set_sCAL - png_set_sPLT - png_set_sRGB - png_set_sRGB_gAMA_and_cHRM - png_set_shift - png_set_sig_bytes - png_set_strip_16 - png_set_strip_alpha - png_set_swap - png_set_swap_alpha - png_set_tIME - png_set_tRNS - png_set_tRNS_to_alpha - png_set_text - png_set_unknown_chunk_location - png_set_unknown_chunks - png_set_user_transform_info - png_set_write_fn - png_set_write_status_fn - png_set_write_user_transform_fn - png_sig_cmp - png_start_read_image - png_warning - png_write_chunk - png_write_chunk_data - png_write_chunk_end - png_write_chunk_start - png_write_end - png_write_flush - png_write_image - png_write_info - png_write_info_before_PLTE -; png_write_init ; deprecated - png_write_png - png_write_row - png_write_rows - png_read_init_2 - png_write_init_2 - png_access_version_number - png_init_io - png_convert_to_rfc1123 - png_set_invalid - -; Added at version 1.2.0: - png_mmx_support - png_permit_empty_plte - png_permit_mng_features - png_get_mmx_flagmask - png_get_asm_flagmask - png_get_asm_flags - png_get_mmx_bitdepth_threshold - png_get_mmx_rowbytes_threshold - png_set_asm_flags - png_init_mmx_flags - -; Added at version 1.2.2: - png_handle_as_unknown - -; Added at version 1.2.2 and deleted from 1.2.3: -; png_zalloc -; png_zfree - -; Added at version 1.2.4 - png_malloc_warn - -; Added at version 1.2.6 - png_set_user_limits - png_get_user_height_max - png_get_user_width_max -; Added at version 1.2.7 - png_set_add_alpha - -; Added at version 1.2.9 - png_get_uint_32 - png_save_uint_32 - png_get_uint_16 - png_save_uint_16 - png_get_int_32 - png_save_int_32 - png_get_uint_31 - png_set_expand_gray_1_2_4_to_8 - -; These are not present when libpng is compiled with PNG_NO_GLOBAL_ARRAYS - png_pass_start - png_pass_inc - png_pass_ystart - png_pass_yinc - png_pass_mask - png_pass_dsp_mask -; png_pass_width -; png_pass_height - -; These are not present when libpng is compiled with PNG_NO_GLOBAL_ARRAYS - png_IHDR - png_IDAT - png_IEND - png_PLTE - png_bKGD - png_cHRM - png_gAMA - png_hIST - png_iCCP - png_iTXt - png_oFFs - png_pCAL - png_pHYs - png_sBIT - png_sCAL - png_sPLT - png_sRGB - png_tEXt - png_tIME - png_tRNS - png_zTXt diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/pngw32.def b/Build/source/libs/libpng/libpng-1.2.34/scripts/pngw32.def deleted file mode 100644 index 79de878480c..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/pngw32.def +++ /dev/null @@ -1,238 +0,0 @@ -;------------------------------------------ -; LIBPNG module definition file for Windows -;------------------------------------------ - -LIBRARY - -EXPORTS -;Version 1.2.34 - png_build_grayscale_palette @1 - png_check_sig @2 - png_chunk_error @3 - png_chunk_warning @4 - png_convert_from_struct_tm @5 - png_convert_from_time_t @6 - png_create_info_struct @7 - png_create_read_struct @8 - png_create_write_struct @9 - png_data_freer @10 - png_destroy_info_struct @11 - png_destroy_read_struct @12 - png_destroy_write_struct @13 - png_error @14 - png_free @15 - png_free_data @16 - png_get_IHDR @17 - png_get_PLTE @18 - png_get_bKGD @19 - png_get_bit_depth @20 - png_get_cHRM @21 - png_get_cHRM_fixed @22 - png_get_channels @23 - png_get_color_type @24 - png_get_compression_buffer_size @25 - png_get_compression_type @26 - png_get_copyright @27 - png_get_error_ptr @28 - png_get_filter_type @29 - png_get_gAMA @30 - png_get_gAMA_fixed @31 - png_get_hIST @32 - png_get_header_ver @33 - png_get_header_version @34 - png_get_iCCP @35 - png_get_image_height @36 - png_get_image_width @37 - png_get_interlace_type @38 - png_get_io_ptr @39 - ; png_get_libpng_ver @40 - png_get_oFFs @41 - png_get_pCAL @42 - png_get_pHYs @43 - png_get_pixel_aspect_ratio @44 - png_get_pixels_per_meter @45 - png_get_progressive_ptr @46 - png_get_rgb_to_gray_status @47 - png_get_rowbytes @48 - png_get_rows @49 - png_get_sBIT @50 - png_get_sCAL @51 - png_get_sPLT @52 - png_get_sRGB @53 - png_get_signature @54 - png_get_tIME @55 - png_get_tRNS @56 - png_get_text @57 - png_get_unknown_chunks @58 - png_get_user_chunk_ptr @59 - png_get_user_transform_ptr @60 - png_get_valid @61 - png_get_x_offset_microns @62 - png_get_x_offset_pixels @63 - png_get_x_pixels_per_meter @64 - png_get_y_offset_microns @65 - png_get_y_offset_pixels @66 - png_get_y_pixels_per_meter @67 - png_malloc @68 - png_memcpy_check @69 - png_memset_check @70 -; png_permit_empty_plte is deprecated - png_permit_empty_plte @71 - png_process_data @72 - png_progressive_combine_row @73 - png_read_end @74 - png_read_image @75 - png_read_info @76 -; png_read_init is deprecated - png_read_init @77 - png_read_png @78 - png_read_row @79 - png_read_rows @80 - png_read_update_info @81 - png_reset_zstream @82 - png_set_IHDR @83 - png_set_PLTE @84 - png_set_bKGD @85 - png_set_background @86 - png_set_bgr @87 - png_set_cHRM @88 - png_set_cHRM_fixed @89 - png_set_compression_buffer_size @90 - png_set_compression_level @91 - png_set_compression_mem_level @92 - png_set_compression_method @93 - png_set_compression_strategy @94 - png_set_compression_window_bits @95 - png_set_crc_action @96 - png_set_dither @97 - png_set_error_fn @98 - png_set_expand @99 - png_set_filler @100 - png_set_filter @101 - png_set_filter_heuristics @102 - png_set_flush @103 - png_set_gAMA @104 - png_set_gAMA_fixed @105 - png_set_gamma @106 -; png_set_gray_1_2_4_to_8 is deprecated - png_set_gray_1_2_4_to_8 @107 - png_set_gray_to_rgb @108 - png_set_hIST @109 - png_set_iCCP @110 - png_set_interlace_handling @111 - png_set_invert_alpha @112 - png_set_invert_mono @113 - png_set_keep_unknown_chunks @114 - png_set_oFFs @115 - png_set_pCAL @116 - png_set_pHYs @117 - png_set_packing @118 - png_set_packswap @119 - png_set_palette_to_rgb @120 - png_set_progressive_read_fn @121 - png_set_read_fn @122 - png_set_read_status_fn @123 - png_set_read_user_chunk_fn @124 - png_set_read_user_transform_fn @125 - png_set_rgb_to_gray @126 - png_set_rgb_to_gray_fixed @127 - png_set_rows @128 - png_set_sBIT @129 - png_set_sCAL @130 - png_set_sPLT @131 - png_set_sRGB @132 - png_set_sRGB_gAMA_and_cHRM @133 - png_set_shift @134 - png_set_sig_bytes @135 - png_set_strip_16 @136 - png_set_strip_alpha @137 - png_set_swap @138 - png_set_swap_alpha @139 - png_set_tIME @140 - png_set_tRNS @141 - png_set_tRNS_to_alpha @142 - png_set_text @143 - png_set_unknown_chunk_location @144 - png_set_unknown_chunks @145 - png_set_user_transform_info @146 - png_set_write_fn @147 - png_set_write_status_fn @148 - png_set_write_user_transform_fn @149 - png_sig_cmp @150 - png_start_read_image @151 - png_warning @152 - png_write_chunk @153 - png_write_chunk_data @154 - png_write_chunk_end @155 - png_write_chunk_start @156 - png_write_end @157 - png_write_flush @158 - png_write_image @159 - png_write_info @160 - png_write_info_before_PLTE @161 -; png_write_init is deprecated - png_write_init @162 - png_write_png @163 - png_write_row @164 - png_write_rows @165 -; png_read_init_2 and png_write_init_2 are deprecated. - png_read_init_2 @166 - png_write_init_2 @167 - png_access_version_number @168 -; png_sig_bytes @169 -; Removed from version 1.2.20 -; png_libpng_ver @170 -; - png_init_io @171 - png_convert_to_rfc1123 @172 - png_set_invalid @173 -; Added at version 1.0.12 -; For compatibility with 1.0.7-1.0.11 -; png_info_init @174 - png_read_init_3 @175 - png_write_init_3 @176 - png_info_init_3 @177 - png_destroy_struct @178 -; Added at version 1.2.0 -; For use with PNG_USER_MEM_SUPPORTED - png_destroy_struct_2 @179 - png_create_read_struct_2 @180 - png_create_write_struct_2 @181 - png_malloc_default @182 - png_free_default @183 -; MNG features - png_permit_mng_features @184 -; MMX support - png_mmx_support @185 -; png_get_mmx_flagmask @186 - png_get_asm_flagmask @187 - png_get_asm_flags @188 -; png_get_mmx_bitdepth_threshold @189 -; png_get_mmx_rowbytes_threshold @190 - png_set_asm_flags @191 -; png_init_mmx_flags @192 -; Strip error numbers - png_set_strip_error_numbers @193 -; Added at version 1.2.2 - png_handle_as_unknown @194 -; Added at version 1.2.2 and deleted from 1.2.3 -; png_zalloc @195 -; png_zfree @196 -; Added at version 1.2.4 - png_malloc_warn @195 -; Added at version 1.2.6 - png_malloc_warn @195 - png_get_user_height_max @196 - png_get_user_width_max @197 - png_set_user_limits @198 -; Added at version 1.2.7 - png_set_add_alpha @199 -; Added at version 1.2.9 - png_get_uint_32 @200 - png_save_uint_32 @201 - png_get_uint_16 @202 - png_save_uint_16 @203 - png_get_int_32 @204 - png_save_int_32 @205 - png_get_uint_31 @206 - png_set_expand_gray_1_2_4_to_8 @207 diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/pngw32.rc b/Build/source/libs/libpng/libpng-1.2.34/scripts/pngw32.rc deleted file mode 100644 index 02e30e299b4..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/pngw32.rc +++ /dev/null @@ -1,112 +0,0 @@ -#define PNG_VERSION_INFO_ONLY - -#include -#include "../png.h" - -#define _QUOTE(x) # x -#define QUOTE(x) _QUOTE(x) - -#define PNG_LIBPNG_DLLFNAME "LIBPNG" - -/* Support deprecated PRIVATEBUILD macro */ -#if defined(PRIVATEBUILD) && !defined(PNG_USER_PRIVATEBUILD) -# define PNG_USER_PRIVATEBUILD PRIVATEBUILD -#endif - -#if defined(PNG_USER_DLLFNAME_POSTFIX) && !defined(PNG_USER_PRIVATEBUILD) -# error "PNG_USER_PRIVATEBUILD must be defined as a string describing the\ - custom changes made to the library." -#endif - -/* Prioritize PNG_USER_x over PNG_LIBPNG_x */ -#ifdef PNG_USER_DLLFNAME_POSTFIX -# undef PNG_LIBPNG_DLLFNAME_POSTFIX -# define PNG_LIBPNG_DLLFNAME_POSTFIX PNG_USER_DLLFNAME_POSTFIX -#endif - -#ifdef PNG_USER_VERSIONINFO_COMMENTS -# undef PNG_LIBPNG_VERSIONINFO_COMMENTS -# define PNG_LIBPNG_VERSIONINFO_COMMENTS PNG_USER_VERSIONINFO_COMMENTS -#endif - -#if defined(PNG_DEBUG) && (PNG_DEBUG > 0) -# define VS_DEBUG VS_FF_DEBUG -# ifndef PNG_LIBPNG_DLLFNAME_POSTFIX -# define PNG_LIBPNG_DLLFNAME_POSTFIX "D" -# endif /* PNG_LIBPNG_DLLFNAME_POSTFIX */ -# ifndef PNG_LIBPNG_VERSIONINFO_COMMENTS -# define PNG_LIBPNG_VERSIONINFO_COMMENTS "PNG_DEBUG=" QUOTE(PNG_DEBUG) -# endif /* PNG_LIBPNG_VERSIONINFO_COMMENTS */ -#else -# define VS_DEBUG 0 -# ifndef PNG_LIBPNG_DLLFNAME_POSTFIX -# define PNG_LIBPNG_DLLFNAME_POSTFIX -# endif /* PNG_LIBPNG_DLLFNAME_POSTFIX */ -#endif /* defined(DEBUG)... */ - -#ifdef PNG_USER_PRIVATEBUILD -# define VS_PRIVATEBUILD VS_FF_PRIVATEBUILD -#else -# define VS_PRIVATEBUILD 0 -#endif /* PNG_USER_PRIVATEBUILD */ - -#ifdef PNG_LIBPNG_SPECIALBUILD -# define VS_SPECIALBUILD VS_FF_SPECIALBUILD -#else -# define VS_SPECIALBUILD 0 -#endif /* PNG_LIBPNG_BUILD_SPECIAL */ - -#if ((PNG_LIBPNG_BUILD_BASE_TYPE & PNG_LIBPNG_RELEASE_STATUS_MASK) !=\ - PNG_LIBPNG_BUILD_STABLE) -# define VS_PRERELEASE VS_FF_PRERELEASE -# define VS_PATCHED 0 -#else -# define VS_PRERELEASE 0 -# if (PNG_LIBPNG_BUILD_BASE_TYPE & PNG_LIBPNG_BUILD_PATCHED) -# define VS_PATCHED VS_FF_PATCHED -# else -# define VS_PATCHED 0 -# endif -#endif - -VS_VERSION_INFO VERSIONINFO -FILEVERSION PNG_LIBPNG_VER_MAJOR, PNG_LIBPNG_VER_MINOR, PNG_LIBPNG_VER_RELEASE, PNG_LIBPNG_VER_BUILD -PRODUCTVERSION PNG_LIBPNG_VER_MAJOR, PNG_LIBPNG_VER_MINOR, PNG_LIBPNG_VER_RELEASE, PNG_LIBPNG_VER_BUILD -FILEFLAGSMASK VS_FFI_FILEFLAGSMASK -FILEFLAGS VS_DEBUG | VS_PRIVATEBUILD | VS_SPECIALBUILD | VS_PRERELEASE | VS_PATCHED -FILEOS VOS__WINDOWS32 -FILETYPE VFT_DLL -FILESUBTYPE VFT2_UNKNOWN -BEGIN - BLOCK "StringFileInfo" - BEGIN BLOCK "040904E4" /* Language type = U.S English(0x0409) and Character Set = Windows, Multilingual(0x04E4) */ - BEGIN -#ifdef PNG_LIBPNG_VERSIONINFO_COMMENTS - VALUE "Comments", PNG_LIBPNG_VERSIONINFO_COMMENTS "\000" -#endif /* PNG_LIBPNG_VERSIONINFO_COMMENTS */ -#ifdef PNG_USER_VERSIONINFO_COMPANYNAME - VALUE "CompanyName", PNG_USER_VERSIONINFO_COMPANYNAME "\000" -#endif /* PNG_USER_VERSIONINFO_COMPANYNAME */ - VALUE "FileDescription", "PNG image compression library\000" - VALUE "FileVersion", PNG_LIBPNG_VER_STRING "\000" - VALUE "InternalName", PNG_LIBPNG_DLLFNAME QUOTE(PNG_LIBPNG_VER_DLLNUM) PNG_LIBPNG_DLLFNAME_POSTFIX " (Windows 32 bit)\000" - VALUE "LegalCopyright", "\251 1998-2004 Glenn Randers-Pehrson et al.\000" -#ifdef PNG_USER_VERSIONINFO_LEGALTRADEMARKS - VALUE "LegalTrademarks", PNG_USER_VERSIONINFO_LEGALTRADEMARKS "\000" -#endif /* PNG_USER_VERSIONINFO_LEGALTRADEMARKS */ - VALUE "OriginalFilename", PNG_LIBPNG_DLLFNAME QUOTE(PNG_LIBPNG_VER_DLLNUM) PNG_LIBPNG_DLLFNAME_POSTFIX ".DLL\000" -#ifdef PNG_USER_PRIVATEBUILD - VALUE "PrivateBuild", PNG_USER_PRIVATEBUILD "\000" -#endif /* PNG_USER_PRIVATEBUILD */ - VALUE "ProductName", "LibPNG\000" - VALUE "ProductVersion", "1\000" -#ifdef PNG_LIBPNG_SPECIALBUILD - VALUE "SpecialBuild", PNG_LIBPNG_SPECIALBUILD "\000" -#endif /* PNG_LIBPNG_SPECIALBUILD */ - END - END - BLOCK "VarFileInfo" - BEGIN - VALUE "Translation", 0x0409, 0x04E4 - END -END diff --git a/Build/source/libs/libpng/libpng-1.2.34/scripts/smakefile.ppc b/Build/source/libs/libpng/libpng-1.2.34/scripts/smakefile.ppc deleted file mode 100644 index e5c02784114..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/scripts/smakefile.ppc +++ /dev/null @@ -1,30 +0,0 @@ -# Amiga powerUP (TM) Makefile -# makefile for libpng and SAS C V6.58/7.00 PPC compiler -# Copyright (C) 1998 by Andreas R. Kleinert -# For conditions of distribution and use, see copyright notice in png.h - -CC = scppc -CFLAGS = NOSTKCHK NOSINT OPTIMIZE OPTGO OPTPEEP OPTINLOCAL OPTINL IDIR /zlib \ - OPTLOOP OPTRDEP=8 OPTDEP=8 OPTCOMP=8 -LIBNAME = libpng.a -AR = ppc-amigaos-ar -AR_FLAGS = cr -RANLIB = ppc-amigaos-ranlib -LDFLAGS = -r -o -LDLIBS = ../zlib/libzip.a LIB:scppc.a -LN = ppc-amigaos-ld -RM = delete quiet -MKDIR = makedir - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o pngread.o \ -pngerror.o pngpread.o pngwrite.o pngrtran.o pngwtran.o pngrio.o pngwio.o pngmem.o - -all: $(LIBNAME) pngtest - -$(LIBNAME): $(OBJS) - $(AR) $(AR_FLAGS) $@ $(OBJS) - $(RANLIB) $@ - -pngtest: pngtest.o $(LIBNAME) - $(LN) $(LDFLAGS) pngtest LIB:c_ppc.o pngtest.o $(LIBNAME) $(LDLIBS) \ -LIB:end.o diff --git a/Build/source/libs/libpng/libpng-1.2.34/test-pngtest.sh b/Build/source/libs/libpng/libpng-1.2.34/test-pngtest.sh deleted file mode 100755 index c134a8a8483..00000000000 --- a/Build/source/libs/libpng/libpng-1.2.34/test-pngtest.sh +++ /dev/null @@ -1,3 +0,0 @@ -#!/bin/sh - -./pngtest ${srcdir}/pngtest.png -- cgit v1.2.3