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+2020-10-20 Werner Lemberg <wl@gnu.org>
+
+ * Version 2.10.4 released.
+ ==========================
+
+
+ Tag sources with `VER-2-10-4'.
+
+ * docs/VERSION.TXT: Add entry for version 2.10.4.
+ * docs/CHANGES: Updated.
+
+ * README, src/base/ftver.rc, builds/windows/vc2010/index.html,
+ builds/windows/visualc/index.html,
+ builds/windows/visualce/index.html,
+ builds/wince/vc2005-ce/index.html,
+ builds/wince/vc2008-ce/index.html, docs/freetype-config.1:
+ s/2.10.3/2.10.4/, s/2103/2104/.
+
+ * include/freetype/freetype.h (FREETYPE_PATCH): Set to 4.
+
+ * builds/unix/configure.raw (version_info): Set to 23:4:17.
+ * CMakeLists.txt (VERSION_PATCH): Set to 4.
+
+2020-10-19 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Fix heap buffer overflow (#59308).
+
+ This is CVE-2020-15999.
+
+ * src/sfnt/pngshim.c (Load_SBit_Png): Test bitmap size earlier.
+
+2020-10-17 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/sfnt/tt{colr,cpal}.c: Fix signedness warnings from VC++.
+
+2020-10-17 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/sfnt/sfwoff2.c (Read255UShort): Tweak types to please VC++.
+
+2020-10-10 Werner Lemberg <wl@gnu.org>
+
+ * Version 2.10.3 released.
+ ==========================
+
+
+ Tag sources with `VER-2-10-3'.
+
+ * docs/VERSION.TXT: Add entry for version 2.10.3.
+
+ * README, src/base/ftver.rc, builds/windows/vc2010/index.html,
+ builds/windows/visualc/index.html,
+ builds/windows/visualce/index.html,
+ builds/wince/vc2005-ce/index.html,
+ builds/wince/vc2008-ce/index.html, docs/freetype-config.1:
+ s/2.10.2/2.10.3/, s/2102/2103/.
+
+ * include/freetype/freetype.h (FREETYPE_PATCH): Set to 3.
+
+ * builds/unix/configure.raw (version_info): Set to 23:3:17.
+ * CMakeLists.txt (VERSION_PATCH): Set to 3.
+
+2020-09-25 Werner Lemberg <wl@gnu.org>
+
+ [autofit] Synchronize with ttfautohint.
+
+ This corresponds to the following commits in the ttfautohint git
+ repository:
+
+ bb6842bd3bd437b7b4a7921b0376c860f5e73d18 Typo, formatting.
+ d5c91ddb1cb310257a3dfe9a8e20e1fc51335faa Add Medefaidrin script.
+
+ * src/autofit/afblue.dat: Add blue zone data for Medefaidrin.
+ * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
+
+ * src/autofit/afscript.h: Add Medefaidrin standard characters.
+
+ * src/autofit/afranges.c, src/autofit/afstyles.h: Add Medefaidrin
+ data.
+
+2020-09-25 Werner Lemberg <wl@gnu.org>
+
+ Move `scripts/make_distribution_archives.py` to `src/tools`.
+
+ * scr/tools/scripts/make_distribution_archives.py: (_TOP_DIR,
+ _SCRIPT_DIR): Updated to new location.
+ (main): s/shutils.copyfile/shutils.copy/ to preserve file
+ permissions.
+ (main): Prefix source file paths with `git_dir` while copying files
+ to allow calls of the script from other places than the top-level
+ directory.
+
+2020-09-24 Werner Lemberg <wl@gnu.org>
+
+ * src/cff/cffgload.c (cff_slot_load): Scale `vertBearingY`.
+
+ Towards the end of the the function there is a call to
+ `FT_Outline_Get_CBox` that retrieves the glyph bbox in scaled units.
+ That sets `horiBearing{X,Y}` and `vertBearingX` but `vertBearingY`
+ is left alone, and is not scaled.
+
+ Patch from Eric Muller <emuller@amazon.com>.
+
+2020-09-24 Werner Lemberg <wl@gnu.org>
+
+ * src/base/ftobjs.c (FT_Load_Glyph): Trace glyph metrics.
+
+2020-09-22 Werner Lemberg <wl@gnu.org>
+
+ [meson] Move auxiliary scripts to `builds/meson`.
+
+ Suggested by Alexei.
+
+ * scripts/*.py: Move meson scripts to...
+ * builds/meson/*.py: ... this new location.
+
+ * meson.build: Updated.
+
+2020-09-21 David Turner <david@freetype.org>
+
+ Add python script for building tarballs.
+
+ * scripts/make_distribution_archives.py: New file.
+
+ This standalone Python script should be equivalent to running `make
+ dist` with the Make-based build system, with the following minor
+ differences:
+
+ - Since `make distclean` doesn't always clean up `objs/` properly,
+ `make dist` archives may contain some stale binaries like
+ `objs/.libs/libfreetype.so.6` or others.
+
+ - `config.guess` and `config.sub` are not updated unless option
+ `--gnu-config-dir=DIR` is used to specify the location of these
+ files.
+
+ - Some bits of the auto-generated reference documentation may
+ appear in slightly different order, probably due to issues related
+ to mkdocs and docwriter.
+
+ As an example, the call
+
+ scripts/make_distribution_archives.py /tmp/freetype2-dist
+
+ creates the following files under `/tmp/freetype2-dist`:
+
+ freetype-<version>.tar.gz
+ freetype-<version>.tar.xz
+ ft<winversion>.zip
+
+2020-09-21 Werner Lemberg <wl@gnu.org>
+
+ * scripts/extract_freetype_version.py: Fix regex typos.
+
+2020-09-21 David Turner <david@freetype.org>
+
+ Add Meson build project file.
+
+ Example usage:
+
+ # Configure Meson build in directory `build-meson` to generate
+ # release binaries comparable to to the ones from the
+ # autotools/make build system.
+ meson setup build-meson \
+ --prefix=/usr/local \
+ --buildtype=debugoptimized \
+ --strip \
+ -Db_ndebug=true
+
+ # After configuring the Meson build with the above command,
+ # compile and install to `/usr/local/`; this includes a pkg-config
+ # file.
+ ninja -C build-meson install
+
+ # Alternatively, compile and install to `/tmp/aa/usr/local/...`
+ # for packaging.
+ DESTDIR=/tmp/aa ninja -C build-meson install
+
+ # Generate documentation under `build-meson/docs`.
+ ninja -C build-meson docs
+
+ Library size comparison for stripped `libfreetype.so` generated by
+ all three build systems:
+
+ - Default build (autotools + libtool): 712 KiB
+ - CMake build (RelWithDebInfo): 712 KiB
+ - Meson build: 712 KiB
+
+
+ * meson.build: New top-level Meson build file for the library.
+
+ * meson_options.txt: New file. It holds user-selectable options for
+ the build, which can be printed with `meson configure`, and selected
+ at `meson setup` or `meson --reconfigure` time with
+ `-D<option>=<value>`.
+
+ * scripts/parse_modules_cfg.py: A script invoked by `meson.build` to
+ parse `modules.cfg` and extract important information out of it
+ (i.e., the list of modules).
+
+ * scripts/process_ftoption_h.py: New script invoked by `meson.build`
+ to process the original `ftoption.h` file. It enables or disables
+ configuration macro variables based on the available dependencies.
+ This is similar to what other build systems are using (i.e., Meson's
+ `configure_file()` command is not used here).
+
+ * scripts/extract_freetype_version.py: New script invoked by
+ `meson.build` to extract the FreeType version number from
+ `<freetype/freetype.h>`.
+
+ * scripts/extract_libtool_version.py: New script invoked by
+ `meson.build` to extract the libtool `revision_info` data from
+ `builds/unix/configure.raw`, and to generate the corresponding
+ shared library suffix.
+
+ * scripts/generate_reference_docs.py: New script invoked by
+ `meson.build` to generate the FreeType 2 reference documentation
+ (using the `docwriter` and `mkdocs` packages, which must be already
+ installed).
+
+2020-09-11 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [raster] Improve the second pass (#58373).
+
+ Besides dropout control the second horizontal sweep is supposed to
+ clean up straight horizontal edges that are mishandled by the first
+ vertical sweep when a line passes through pixel centers. This line
+ would present as perfectly aligned span edges in the second sweep.
+
+ * src/raster/ftraster.c (Horizontal_Sweep_Span): Replace the old
+ implementation with a better one focusing on aligned span edges only.
+
+2020-09-08 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [raster] Tune SMART macro (#58352).
+
+ Windows seems to perform smart dropout control at 26.6 precision.
+ To mimick Windows independent of increased precision, we need to tweak
+ the macro so that some close calls break down rather than up.
+
+ * src/raster/ftraster.c (SMART): Tweak the macro.
+
+2020-09-08 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [raster] Introduce SMART macro.
+
+ * src/raster/ftraster.c (SMART): New macro for smart dropout rounding.
+ (Verstical_Sweep_Drop, Horizontal_Sweep_Drop): Use it.
+
+2020-09-03 Boris Dalstein <dalboris@gmail.com>
+
+ [build] Make CMake install basic version information.
+
+ * CMakeLists.txt: Do it.
+
+2020-09-02 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [truetype] Reduce Infinality footprint (cont'd).
+
+ * src/truetype/ttinterp.c (Ins_DELTAP): Shrink variable scope.
+ (Ins_SHPIX, Ins_MIRP): Revise if-logic.
+
+2020-09-02 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [truetype] Reduce Infinality footprint.
+
+ * src/truetype/ttinterp.c (Ins_SHPIX, Ins_MSIRP, Ins_MIAP, Ins_MDRP,
+ Ins_MIRP): Shrink variable scopes and consolidate ifdefs.
+
+2020-09-01 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [truetype] Refactor compensation color.
+
+ * src/truetype/ttinterp.h (TT_Round_Func): Change the last argument.
+ * src/truetype/ttinterp.c (Ins_ROUND, Ins_NROUND, Ins_MDAP, Ins_MIAP,
+ Ins_MDRP, Ins_MIRP): Move compensation retrieval from here...
+ (Round_*): ... to here.
+ * src/truetype/ttobjs.c (tt_size_init_bytecode): Reserve zero
+ compensation at color index 3.
+
+2020-08-28 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Don't set target in direct mode.
+
+ * src/smooth/ftsmooth.c (ft_smooth_raster_overlap): Remove assignment.
+ (ft_smooth_raster_lcd) [!FT_CONFIG_OPTION_SUBPIXEL_RENDERING]: Ditto.
+
+2020-08-25 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/smooth/ftsmooth.c (ft_smooth_raster_overlap): Limit width.
+
+ Segmentation fault reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24729
+
+2020-08-22 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttgload.c (TT_Get_VMetrics): Add tracing message.
+
+2020-08-05 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [truetype] Retain OVERLAP_SIMPLE and OVERLAP_COMPOUND.
+
+ For glyphs with OVERLAP_SIMPLE or OVERLAP_COMPOUND, set
+ FT_OUTLINE_OVERLAP to render them with direct oversampling, which
+ mitigates artifacts (see 3bb512bc9f62).
+
+ * include/freetype/ftimage.h (FT_OUTLINE_OVERLAP): Redefine to rhyme
+ with OVERLAP_SIMPLE.
+ * src/base/ftgloadr.c (FT_GlyphLoader_Rewind): Reset outline flags.
+ * src/truetype/ttgload.c
+ (TT_Load_Simple_Glyph): Retain OVERLAP_SIMPLE.
+ (load_truetype_glyph): Retain OVERLAP_COMPOUND.
+
+2020-08-04 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/truetype/ttgload.c (TT_Load_Glyph): More tracing.
+
+2020-07-28 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ Hide internal functions with SunPro.
+
+ * include/freetype/internal/compiler-macros.h
+ (FT_INTERNAL_FUNCTION_ATTRIBUTE) <__SUNPRO_C>: Define as __hidden.
+
+2020-07-28 Anuj Verma <anujv@iitbhilai.ac.in>
+
+ Fix static compilation with Visual C.
+
+ * include/freetype/internal/compiler-macros.h
+ (FT_INTERNAL_FUNCTION_ATTRIBUTE) <_WIN32>: Define as empty.
+
+2020-07-28 Priyesh Kumar <priyeshkkumar@gmail.com>
+
+ Fix `-Wformat' compiler warnings.
+
+ * src/*: Fix format specifiers.
+
+ * builds/unix/ftsystem.c (FT_Stream_Open): Ditto.
+
+2020-07-25 Werner Lemberg <wl@gnu.org>
+
+ Fix `-Wformat' compiler warnings.
+
+ Problem reported by Priyesh kumar <priyeshkkumar@gmail.com>
+
+ * src/base/ftoutln.c (FT_Outline_Decompose): Fix number of arguments
+ to tracing macro.
+
+ * src/bdf/bdfdrivr.c (bdf_cmap_char_next, bdf_get_bdf_property):
+ Ditto.
+
+ * src/cache/ftcbasic.c (ftc_basic_family_get_count): Ditto.
+ Reformulate message.
+
+ * src/pcf/pcfdrivr.c (pcf_get_bdf_property): Ditto.
+
+ * src/sfnt/sfwoff2.c (woff2_open_font): Ditto.
+ Trace table offset, too.
+
+ * src/truetype/ttgxvar.c (ft_var_apply_tuple): Ditto.
+
+2020-07-23 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfwoff2.c (woff2_decompress): Fix compiler warning.
+
+ Reported by Hin-Tak.
+
+2020-07-12 Werner Lemberg <wl@gnu.org>
+
+ * builds/unix/configure.raw: Fix inclusion of `ftoption.h'.
+
+2020-07-07 Werner Lemberg <wl@gnu.org>
+
+ Fix clang warnings.
+
+ * include/freetype/internal/autohint.h
+ (FT_DECLARE_AUTOHINTER_INTERFACE): New macro.
+ * src/autofit/afmodule.h: Use it to declare
+ `af_autofitter_interface'.
+
+ * include/freetype/internal/ftobjs.h (FT_DECLARE_GLYPH): New macro.
+ * src/base/ftbase.h: Use it to declare `ft_bitmap_glyph_class' and
+ `ft_outline_glyph_class'.
+
+ * src/base/ftglyph.c: Include `ftbase.h'.
+
+ * src/cff/cffparse.c (cff_parser_run): Fix type of `t2_size'.
+
+ * src/pcf/pcfdrivr.c (pcf_cmap_char_next): Fix type of `result'.
+
+ * src/psaux/psauxmod.c (psaux_module_class): Use `FT_DEFINE_MODULE'.
+ * src/psaux/psauxmod.h: Declare `afm_parser_funcs',
+ `t1_cmap_classes', `cff_decoder_funcs', and `psaux_module_class'.
+
+ * src/pshinter/pshmod.c: Include `pshmod.h'.
+
+ * src/sfnt/sfwoff2.c (ROUND4, WRITE_SHORT): Fix implicit sign
+ conversion.
+ (compute_ULong_sum): Fix return type.
+ Fix implicit sign conversion.
+ (store_points): Fix type of `last_flag', `repeat_count', and `flag'.
+ Use casts to avoid warnings.
+ (reconstruct_glyf): Fix implicit sign conversion.
+ Use cast to avoid warning.
+ (get_x_mins): Fix implicit sign conversion.
+ * src/sfnt/ttcmap.c: Undef `TTCMAPCITEM'.
+ * src/sfnt/ttcmap.h: Define `TTCMAPCITEM' and include `ttcmapc.h' to
+ declare cmap classes.
+
+ * src/smooth/ftsmooth.c (ft_smooth_overlap_spans): Use cast.
+
+ * src/truetype/ttinterp.c (Ins_MIAP): Fix typo.
+
+2020-07-07 David Turner <david@freetype.org>
+
+ [build] Really fix multi and C++ builds.
+
+ The following builds were still failing due to previous changes:
+
+ make multi
+ make multi CC="c++"
+ make CC="c++"
+
+ This patch fixes the issues, which were missing includes to get the
+ right macro definitions in multi-build mode.
+
+ Also, `FT_UNUSED' is actually used by third-party code, so move it
+ back to `public-macros.h' to avoid breaking it.
+
+ * include/freetype/config/public-macros.h (FT_EXPORT): Remove
+ special definition for C++.
+ (FT_UNUSED): Define here instead of...
+ * include/freetype/config/compiler-macros.h: ... here.
+ (FT_FUNCTION_DECLARATION): Remove special definition for C++.
+ (FT_LOCAL_ARRAY_DEF): Fix definition.
+
+ * src/cache/ftccback.h, src/lzw/ftzopen.h, src/gxvalid/gxvmort.h,
+ src/gxvalid/gxvmorx.h: Add `FT_BEGIN_HEADER' and `FT_END_HEADER'.
+
+2020-07-06 David Turner <david@freetype.org>
+
+ [build] Fix multi and C++ builds.
+
+ The following builds were failing due to previous changes:
+
+ make multi
+ make multi CC="c++"
+
+ * include/freetype/config/ftconfig.h: Remove `FT_END_HEADER'.
+
+ * include/freetype/config/ftheader.h (FT_BEGIN_HEADER,
+ FT_END_HEADER): Protect against redefinition.
+
+ * src/cache/ftccache.h, src/cache/ftcmru.h, src/pcf/pcfutil.h,
+ src/psaux/pserror.h, src/psaux/psft.h, src/psaux/psstack.h,
+ src/sfnt/woff2tags.h: Include `compiler-macros.h'.
+
+ * src/sfnt/woff2tags.c: Include `woff2tags.h'.
+
+2020-07-06 Werner Lemberg <wl@gnu.org>
+
+ [psaux] Improve `t1_decoder_parse_metrics' (#58646).
+
+ * src/psaux/t1decode.c (t1_decoder_parse_metrics): Copy
+ corresponding code from old engine's `t1_decoder_parse_charstrings'
+ function to handle `op_callsubr' and `op_return'.
+
+2020-07-05 David Turner <david@freetype.org>
+
+ [build] Improve visibility support of library function names.
+
+ * include/freetype/config/public-macros.h
+ (FT_PUBLIC_FUNCTION_ATTRIBUTE): New macro to tag functions as
+ public (and thus exportable).
+ (FT_EXPORT): Use it.
+
+ * include/freetype/config/compiler-macros.h
+ (FT_INTERNAL_FUNCTION_ATTRIBUTE): New macro to tag functions as
+ internal to the library (and thus hidden). Note that on ELF
+ systems, all internal functions have hidden visibility, which avoids
+ the need to enforce this when invoking the compiler (e.g., with an
+ option like `-fvisibility=hidden').
+
+ (FT_FUNCTION_DECLARATION, FT_FUNCTION_DEFINITION): New base macros
+ to deal with C and C++ linkage issues at the same time.
+
+ (FT_LOCAL, FT_LOCAL_DEF, FT_LOCAL_ARRAY, FT_LOCAL_ARRAY_DEF,
+ FT_BASE, FT_BASE_DEF, FT_EXPORT_VAR, FT_BASE_CALLBACK,
+ FT_BASE_CALLBACK_DEF): Redefined using new macros.
+
+2020-07-05 David Turner <david@freetype.org>
+
+ [build] Split off more stuff from `ftconfig.h'.
+
+ * builds/unix/ftconfig.h.in, builds/vms/ftconfig.h,
+ include/freetype/config/ftconfig.h: Split off macro definitions
+ required by the FreeType API headers to...
+ * include/freetype/config/public-macros.h: ...this new file.
+
+ * builds/unix/ftconfig.h.in, builds/vms/ftconfig.h,
+ include/freetype/config/ftconfig.h: Split off macro definitions used
+ by the library but not to be exposed to clients to...
+ * include/freetype/config/compiler-macros.h: ...this new file.
+
+ * include/freetype/internal/*.h, src/raster/ftraster.h: Include
+ `compiler-macros.h' where needed.
+
+2020-07-05 David Turner <david@freetype.org>
+
+ [build] Move mac support code to `mac-support.h'.
+
+ * builds/unix/ftconfig.h.in, builds/vms/ftconfig.h,
+ include/freetype/config/ftconfig.h: Split off mac-specific stuff
+ to...
+ * include/freetype/config/mac-support.h: ...this new file.
+
+ * CMakeLists.txt, builds/unix/configure.raw: Remove `/undef ->
+ #undef' string replacement; the affected code is no longer part of
+ the `ftconfig.h' template.
+
+2020-07-05 David Turner <david@freetype.org>
+
+ [build] Put integer type definitions into `integer-types.h'.
+
+ Refactor some of the `ftconfig.h' headers and template to move the
+ definition of the FreeType integer types (e.g., `FT_Int16') to a
+ common header file `freetype/config/integer-types.h'.
+
+ * builds/unix/ftconfig.h.in, builds/vms/ftconfig.h,
+ include/freetype/config/ftconfig.h: Split off integer type
+ definition stuff to...
+ * include/freetype/config/integer-types.h: ...this new file.
+
+ * builds/unix/ftconfig.h.in: Control the definition of
+ `FT_SIZEOF_INT' and `FT_SIZEOF_LONG' with macro
+ `FT_USE_AUTOCONF_SIZEOF_TYPES'. If these are not defined, auto
+ detection happens in `integer-types.h' as usual based on `INTXX_MAX'
+ values. Otherwise the autoconf-detected values are used.
+
+ * builds/unix/configure.raw (CPPFLAGS): Don't include path to
+ `config' directory. Instead, ...
+ (FT_CONFIG_STANDARD_LIBRARY_H): Use complete path.
+
+2020-07-05 David Turner <david@freetype.org>
+
+ [build] Rename `build/unix/ftconfig.in' to `ftconfig.h.in'.
+
+ Since we are no longer limited to 8.3 file names, it is simpler to
+ follow the usual conventions for template files.
+
+ * builds/unix/ftconfig.in: Renamed to...
+ * builds/unix/ftconfig.h.in: ...this.
+
+ * CMakeLists.txt, builds/unix/configure.raw: Updated.
+
+2020-07-03 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Introduce direct oversampling for overlaps.
+
+ This implements oversampling to mitigate artifacts in pixels partially
+ covered by overlapping contours. It turns out that the 4x4
+ oversampling is sufficient but, at least, quadruples the rendering
+ time. The outline has to set FT_OUTLINE_OVERLAP to use this method.
+
+ * include/freetype/ftimage.h (FT_OUTLINE_OVERLAP): New flag.
+ * src/smooth/ftsmooth.c (ft_smooth_render): Check it to...
+ (ft_smooth_raster_overlap): ... inflate outline and set up direct
+ rendering for oversampling with...
+ (ft_smooth_overlap_spans): ... new span function that integrates them.
+
+2020-07-03 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Use direct rendering mode in Harmony.
+
+ Instead of rendering 3 bitmaps side by side and reshuffling, we use
+ direct rendering to deliver the bitmaps on each third byte.
+
+ * src/smooth/ftsmooth.c (ft_smooth_raster_lcd)
+ [!FT_CONFIG_OPTION_SUBPIXEL_RENDERING]: Set up direct mode with...
+ (ft_smooth_lcd_spans): ... new span function.
+
+2020-07-03 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Separate LCD paths from gray rendering.
+
+ This makes `ft_smooth_render' a lot smaller and easier to follow. It
+ also cleanly separates Harmony and ClearType-style LCD rendering
+ algorithms. Now I only wish to move LCD filtering and geometry from
+ FT_Library to FT_Renderer.
+
+ * src/smooth/ftsmooth.c (ft_smooth_render): Move LCD code from here...
+ (ft_smooth_raster_lcd, ft_smooth_raster_lcdv): ... to here.
+ [FT_CONFIG_OPTION_SUBPIXEL_RENDERING]: Reorganize #ifdef's.
+
+2020-06-20 Sebastian Rasmussen <sebras@gmail.com>
+
+ [cff] Fix handling of `style_name == NULL' (#58630).
+
+ * src/cff/cffobjs.c (cff_face_init): If a call to `cff_strcpy' fails
+ by returning NULL in `cff_face_init', `remove_style' is still
+ called. This means that the NULL pointer is dereferenced, causing a
+ crash.
+
+2020-06-19 Sebastian Rasmussen <sebras@gmail.com>
+
+ [cff] Fix another two memory leaks (#58629).
+
+ * src/cff/cffobjs.c (cff_size_init): If a call to `funcs->create'
+ fails to allocate one of the `internal->subfont' variables, make
+ sure to free `internal->topfont' and any successfully allocated
+ subfonts.
+
+2020-06-19 Sebastian Rasmussen <sebras@gmail.com>
+
+ [psaux] Fix memory leak (#58626).
+
+ * src/psaux/psstack.c (cf2_stack_init): If `cf2_stack_init' fails to
+ allocate the stack, return error early.
+
+2020-06-19 Sebastian Rasmussen <sebras@gmail.com>
+
+ [base] Fix memory leak (#58624).
+
+ * src/base/ftobjs.c (FT_New_Size): Avoid trying to free
+ `size->internal' unless `size' has been allocated. This mistake
+ appeared in the fix for issue #58611.
+
+2020-06-19 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [base] Rework d1180b5f9598 until further notice.
+
+ * src/base/ftoutln.c (FT_Outline_Get_Orientation): Reject large
+ outlines.
+
+2020-06-19 Sebastian Rasmussen <sebras@gmail.com>
+
+ [cff, cid] Fix segfaults in case of error (#58621).
+
+ * src/cff/cffobjs.c (cff_slot_done), src/cid/cidobjs.c
+ (cid_slot_done): If `ft_glyphslot_init' fails to allocate
+ `internal', then the class' `done_slot' callback (called by
+ `ft_glyphslot_done') must not dereference the pointer to `internal'.
+
+2020-06-19 Werner Lemberg <wl@gnu.org>
+
+ [base] Fix UBSAN error.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23166
+
+ * src/base/ftoutln.c (FT_Outline_Get_Orientation): Avoid values
+ larger than 32 bits.
+
+2020-06-19 Werner Lemberg <wl@gnu.org>
+
+ [woff2] Fix segfault.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23402
+
+ * src/sfnt/sfwoff2.c (get_x_mins): Check whether `loca' table
+ exists.
+
+2020-06-19 Stephen McDowell <svenevs.dev@gmail.com>
+
+ [sfnt] Support Intel compilers.
+
+ * src/sfnt/pngshim.c (premultiply_data): Intel compilers do not
+ currently support `__builtin_shuffle'.
+
+2020-06-19 Sebastian Rasmussen <sebras@gmail.com>
+
+ [base] Fix memory leak (#58611).
+
+ * src/base/ftobjs.c (FT_New_Size): When the call to `clazz->init_size'
+ fails, make sure to free `size->internal'.
+
+2020-06-19 Sebastian Rasmussen <sebras@gmail.com>
+
+ [cff] Fix memory leak (#58610).
+
+ * src/cff/cffobjs.c (cff_size_init): When the call to
+ `funcs->create' fails, make sure to free `internal'.
+
+2020-06-19 Werner Lemberg <wl@gnu.org>
+
+ * src/cff/cffload.c (cff_index_get_pointers): Rename `t' to `tbl'.
+
+2020-06-19 Sebastian Rasmussen <sebras@gmail.com>
+
+ [cff] Free table upon error allocating other data (#58609).
+
+ * src/cff/cffload.c (cff_index_get_pointers): When new_bytes fails
+ to allocate, make sure to free the table. Do the same for both
+ allocations if there is a later error.
+
+2020-06-13 Werner Lemberg <wl@gnu.org>
+
+ Remove redundant inclusion of `ft2build.h'.
+
+ * */*: Remove `#include <ft2build.h>' where possible.
+
+ * include/freetype/freetype.h: Remove cpp error about missing
+ inclusion of `ft2build.h'.
+
+2020-06-08 David Turner <david@freetype.org>
+
+ Make macros for header file names optional.
+
+ We no longer have to take care of the 8.3 file name limit; this
+ allows us (a) to introduce longer, meaningful file names, and (b) to
+ avoid macro names in `#include' lines altogether since some
+ compilers (most notably Visual C++) doesn't support this properly.
+
+ */*: Replace
+
+ #include FOO_H
+
+ with
+
+ #include <freetype/foo.h>
+
+ or something similar. Also update the documentation.
+
+2020-06-02 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/ttcmap.c (tt_face_build_cmaps): Trace number of cmaps.
+
+2020-05-18 David Turner <david@freetype.org>
+
+ Remove obsolete HAVE_STDINT_H probing macro.
+
+ This macro was updated by the unix configure script and the
+ `CMakeLists.txt' one, but is never used in the source tree (nor is
+ <stdint.h> included anywhere).
+
+ * CMakeLists.txt, builds/unix/ftconfig.in: Don't handle
+ `HAVE_STDINT_H'.
+
+2020-05-18 David Turner <david@freetype.org>
+
+ Remove Jamfile files from the tree.
+
+ These have not been used in a very, very long time, so better remove
+ them. A corresponding patch will be submitted to the
+ `freetype2-demos' repository.
+
+ * src/Jamfile, src/*/Jamfile, Jamrules: Delete.
+
+2020-05-12 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Turn on LCD filtering during FreeType initialization.
+
+ * src/smooth/ftsmooth.c (ft_smooth_init): Enable LCD filtering.
+
+ * include/freetype/ftlcdfil.h: Document it, remove patent warnings.
+ * include/freetype/freetype.h (FT_Render_Mode): Updated.
+ * include/freetype/config/ftoption.h, devel/ftoption.h
+ [FT_CONFIG_OPTION_SUBPIXEL_RENDERING]: Do not mention patents.
+
+2020-05-11 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Stop using dedicated LCD modules and classes.
+
+ The LCD modules were never truly independent. They mostly served as
+ a way to disable patented LCD rendering, which is no longer necessary.
+ The `smooth' module now handles LCD modes as well.
+
+ * src/smooth/ftsmooth.c (ft_smooth_lcd_renderer_class.
+ ft_smooth_lcdv_renderer_class): Deleted.
+ (ft_render_smooth): Reworked from `ft_render_smooth_generic'.
+ * src/smooth/ftsmooth.h: Remove dedicated LCD classes.
+ * src/smooth/module.mk: Remove dedicated LCD modules.
+ * include/freetype/config/ftmodule.h: Ditto.
+ * builds/amiga/include/config/ftmodule.h: Ditto.
+ * include/freetype/ftmodapi.h: Do not mention LCD modules.
+
+2020-05-09 Werner Lemberg <wl@gnu.org>
+
+ * Version 2.10.2 released.
+ ==========================
+
+
+ Tag sources with `VER-2-10-2'.
+
+ * docs/VERSION.TXT: Add entry for version 2.10.2.
+
+ * README, Jamfile (RefDoc), src/base/ftver.rc,
+ builds/windows/vc2010/index.html, builds/windows/visualc/index.html,
+ builds/windows/visualce/index.html,
+ builds/wince/vc2005-ce/index.html,
+ builds/wince/vc2008-ce/index.html, docs/freetype-config.1:
+ s/2.10.1/2.10.2/, s/2101/2102/.
+
+ * include/freetype/freetype.h (FREETYPE_PATCH): Set to 2.
+
+ * builds/unix/configure.raw (version_info): Set to 23:2:17.
+ * CMakeLists.txt (VERSION_PATCH): Set to 2.
+
+ * docs/CHANGES: Updated.
+
+2020-05-08 Jakub Alba <jalba@vewd.com>
+
+ * src/truetype/ttinterp.c (TT_RunIns): Adjust loop counter (#58319).
+
+ The font that exceeds the old limit is Icono Regular, version
+ 1.00000.
+
+2020-05-03 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * builds/freetype.mk: Refactor for readability.
+
+2020-05-02 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [builds] Clean up Windows CE project files.
+
+ Remove version from filenames that caused a lot of polution in the
+ release process. Use VERSIONINFO resource instead.
+
+ * builds/wince/vc2005-ce/freetype.vcproj,
+ builds/wince/vc2008-ce/freetype.vcproj,
+ builds/windows/visualce/freetype.vcproj,
+ builds/windows/visualce/freetype.dsp: s/2101//g, but add `ftver.rc'.
+ * builds/wince/vc2008-ce/index.html,
+ builds/wince/vc2005-ce/index.html,
+ builds/windows/visualce/index.html: s/2101//g.
+
+2020-05-01 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * devel/ft2build.h: Override FT_CONFIG_MODULES_H here as well.
+
+2020-05-01 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [builds/unix] Consolidate marco overrides (for the demos to see them).
+
+ * builds/unix/unix-cc.in (FT_CONFIG_MODULES_H, FT_CONFIG_OPTIONS_H):
+ Override them here...
+ * builds/freetype.mk: ... instead of here.
+
+2020-04-08 Werner Lemberg <wl@gnu.org>
+
+ Allow setting `CC' in Unix build (#58051).
+
+ * builds/unix/unix-cc.in (CC): Use `override'. The command line
+ value of `CC' (if any) is stored already in `CCraw'.
+
+2020-04-04 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Return if single stream operation fails.
+
+ * src/sfnt/sfwoff2.c (get_x_mins): Do it.
+
+ * src/sfnt/woff2tags.c: Remove unused include.
+
+2020-03-22 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [docs] Fix building docs if `srcdir' != `builddir'.
+
+ `docs/reference/*' was moved one directory up in commit 237fed6.
+
+ * builds/unix/unix-def.in (PIP): Remove variable.
+
+ * configure: Create `docs' directory and copy assets from
+ `docs/markdown'.
+
+ * docs/README: Output directory is `reference'.
+
+2020-03-21 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [docwriter] Drop support for Python < 3.5.
+
+ Python versions < 3.5 have reached end-of-life and as such, no
+ security or bug fixes will be provided for those versions. See
+
+ https://devguide.python.org/#status-of-python-branches
+
+ for more information.
+
+ * Jamfile (RefDoc): Add `site' parameter.
+
+ * builds/detect.mk (std_setup): Update Python version requirement.
+
+ * builds/freetype.mk (refdoc-venv): Use pip as `python -m pip'.
+
+ * builds/unix/ax_compare_version.m4,
+ builds/unix/ax_prog_python_version.m4: Macros to detect Python
+ version. New files.
+
+ * builds/unix/configure.raw: Check for Python >= 3.5 and remove
+ check for `pip'.
+
+ * docs/CHANGES, docs/INSTALL.GNU, docs/README: Updated.
+
+2020-03-02 Moazin Khatti <moazinkhatri@gmail.com>
+
+ [gzip] Support `gzip' encoded header conditionally.
+
+ In order to support `gzip' encoded header the call to
+ `inflateInit2' was modified in commit 6a92b1fadde26477a9179.
+ However, this code breaks with the outdated internal version
+ of zlib. This is a temporary fix to conditionally support
+ `gzip' encoded header whenever a system installation of zlib
+ is being used.
+
+ Problem report in
+
+ https://lists.nongnu.org/archive/html/freetype-devel/2020-02/msg00023.html
+
+ * src/gzip/ftgzip.c (FT_Gzip_Uncompress): Change the the call to
+ `inflateInit2' depending on whether the system installation is
+ being used or the internal copy.
+
+2020-02-29 Ben Wagner <bungeman@google.com>
+
+ [truetype] Fix state of `FT_Face' for buggy `gvar' tables (#57923).
+
+ By resetting the blend as implemented with this commit fonts with
+ invalid `gvar' tables may keep calling into `ft_var_load_gvar' from
+ `tt_set_mm_blend' and failing, but the font was invalid anyway and
+ we want to keep seeing the failure in `tt_set_mm_blend'.
+
+ * src/truetype/ttgxvar.c (ft_var_load_gvar): Calculate length of
+ offset array once.
+ Allocate arrays after `FT_FRAME_ENTER' (extra check before
+ allocating and avoid needing to free array later if error entering
+ frame).
+ Always call `FT_FRAME_EXIT'.
+ Consistently set counts immediately after array initialized.
+ Reset the blend (particularly `blend->glyphoffsets') on failure.
+
+2020-03-01 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [docs] Update docwriter stylesheet.
+
+ This change is required to support docwriter 1.2.1.
+
+ See
+
+ https://github.com/freetype/docwriter/issues/36
+
+ for more information.
+
+ * docs/markdown/stylesheets/extra.css:
+ (.md-typeset code) -> (.md-typeset pre>code)
+ (pre) -> (pre>code)
+ (p, .md-typeset p, h4): Remove commented styles.
+ (table.index): Remove unused styles.
+
+2020-02-28 Ben Wagner <bungeman@google.com>
+
+ [truetype] Add better checks for loading `gvar' table (#57905).
+
+ * src/truetype/ttgxvar.c (ft_var_load_gvar): Delay settings of any
+ `blend->xxxcount' values until the corresponding data has been
+ checked.
+ Also do some sanitizing to avoid a too early exit.
+
+ (TT_Vary_Apply_Glyph_Deltas): Improve tracing message.
+
+2020-02-27 Werner Lemberg <wl@gnu.org>
+
+ Make `FT_HAS_*' and `FT_IS_*' really return true (#57906).
+
+ * include/freetype/freetype.h (FT_HAS_*, FT_IS_*): Implement it.
+
+2020-02-25 Dominik Röttsches <drott@chromium.org>
+
+ Fix for CFF space glyph regression (#57541).
+
+ * src/psaux/psft.c (cf2_decoder_parse_substrings): Replace early-out
+ with FT_OFFSET.
+
+2020-02-22 Werner Lemberg <wl@gnu.org>
+
+ [woff2] Fix font table access.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20778
+
+ * src/sfnt/sfwoff2.c (get_x_mins): Explicitly check for presence of
+ `head' table, which might not have been processed yet.
+
+2020-02-21 Werner Lemberg <wl@gnu.org>
+
+ [psaux] Make `t1_decoder_parse_metrics' handle `op_div' (#57519).
+
+ * src/psaux/t1decode.c (t1_decoder_parse_metrics): Copy
+ corresponding code from old engine's `t1_decoder_parse_charstrings'
+ function.
+
+2020-02-19 Nikolaus Waxweiler <nikolaus.waxweiler@daltonmaag.com>
+
+ [autofit] Add support for Hanifi Rohingya script.
+
+ * src/autofit/afblue.dat: Add blue zone data for Hanifi Rohingya.
+ * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
+
+ * src/autofit/afscript.h: Add Hanifi Rohingya standard character.
+
+ * src/autofit/afranges.c, src/autofit/afstyles.h: Add Hanifi
+ Rohingya data.
+
+2020-02-19 Werner Lemberg <wl@gnu.org>
+
+ Require HarfBuzz 1.8.
+
+ * builds/unix/configure.raw, CMakeLists.txt: Request HarfBuzz 1.8.0
+ or newer.
+
+ We are going to add auto-hinter support for Hanifi Rohingya, which
+ was introduced in Unicode 11.0.
+
+2020-02-12 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/ttcmap.c (tt_face_build_cmaps): Ignore version (#57708).
+
+2020-02-04 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttinterp.c (TT_RunIns): Adjust loop counter (#57732).
+
+ The font that exceeds the old limit is Constantine, version 1.001.
+
+2020-01-04 Werner Lemberg <wl@gnu.org>
+
+ [base] Fix `FREETYPE_PROPERTIES=type1:hinting-engine=adobe`.
+
+ * src/base/ftpsprop.c (ps_property_set) [hinting-engine]: Avoid an
+ incorrect return value that caused a warning. The function did the
+ right thing, though.
+
+2020-01-03 Werner Lemberg <wl@gnu.org>
+
+ [woff2] Fix memory leaks and a runtime warning.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19773
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18101
+
+ * src/sfnt/sfwoff2.c (compute_ULong_sum): Add missing cast.
+ (reconstruct_hmtx): Add missing deallocation calls.
+
+2020-01-02 Dominik Röttsches <drott@chromium.org>
+
+ [truetype] Fix UBSan warning on offset to nullptr (#57501).
+
+ * src/truetype/ttinterp.c (Ins_CALL): Fail if `exc->FDefs' is null.
+
+2019-12-31 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Allow bitmap-only fonts (#57394).
+
+ * src/sfnt/sfwoff2.c (reconstruct_font): Fix test for `glyf' and
+ `loca' tables.
+
+2019-12-21 Hugh McMaster <hugh.mcmaster@outlook.com>
+
+ [docs] (2/2) Fix generation of API documentation (#56745).
+
+ Creating the API Reference in the (new) `reference' sub-directory is
+ consistent with other documentation sub-topics, such as `design',
+ `glyphs' and `tutorial'.
+
+ This patch fixes broken hyperlinks in the documentation pointing to
+ and from the API Reference. It also allows web assets to load from
+ their relative paths.
+
+ * builds/freetype.mk (DOC_DIR): Adjust.
+ (refdoc, refdoc-venv): Add `--site' argument.
+
+ * builds/toplevel.mk (do-dist): Updated.
+
+2019-12-21 Hugh McMaster <hugh.mcmaster@outlook.com>
+
+ [docs] (1/2) Move static web assets (#56745).
+
+ * docs/reference/*: Move ...
+ * docs: ... one directory up.
+
+2019-12-21 Dominik Röttsches <drott@chromium.org>
+
+ Fix more UBSan warnings on adding offset to nullptr (#57432).
+
+ * src/truetype/ttinterp.c (Ins_LOOPCALL), src/psaux/psft.c
+ (cf2_initLocalRegionBuffer): Use `FT_OFFSET'.
+
+2019-12-16 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Fix UBSan warnings on adding offsets to nullptr.
+
+ Reported as
+
+ https://bugs.chromium.org/p/chromium/issues/detail?id=1032152
+
+ * src/truetype/ttinterp.c (Ins_FDEF, Ins_IDEF): Use `FT_OFFSET'.
+
+2019-12-14 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Fix integer overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19305
+
+ * src/truetype/ttinterp.c (Ins_MIRP): Use `ADD_LONG'.
+
+2019-12-13 Werner Lemberg <wl@gnu.org>
+
+ Another bunch of UBSan warnings on adding offsets to nullptr.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19427
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19433
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19441
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19451
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19452
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19457
+
+ * src/autofit/aflatin.c (af_latin_hints_compute_segments,
+ af_latin_hints_compute_edges): Use `FT_OFFSET'.
+
+ * src/base/ftstream.c (FT_Stream_EnterFrame): Use `FT_OFFSET'.
+
+ * src/psaux/cffdecode.c (cff_decoder_parse_charstrings): Exit early
+ if there is no charstring.
+
+ * src/psaux/psobjs.c (t1_decrypt): Use `FT_OFFSET'.
+
+ * src/smooth/ftsmooth.c (ft_smooth_render_generic): Exit early for
+ zero bitmap dimensions.
+
+2019-12-09 Dominik Röttsches <drott@chromium.org>
+
+ Fix more UBSan warnings on adding offset to nullptr (#57384).
+
+ * src/smooth/ftsmooth.c (ft_smooth_render_generic),
+ src/psaux/psobjs.c (ps_table_add): Use `FT_OFFSET'.
+
+2019-12-05 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttinterp.c (TT_RunIns): Use `FT_OFFSET'.
+
+ Reported as
+
+ https://bugs.chromium.org/p/chromium/issues/detail?id=1030614
+
+2019-12-03 Werner Lemberg <wl@gnu.org>
+
+ More nullptr offset UBSan warnings (#57331, #57347).
+
+ * src/autofit/afcjk.c (af_cjk_hints_compute_segments),
+ src/psaux/psft.c (cf2_getSeacComponent), src/truetype/ttinterp.c
+ (Ins_UNKNOWN): Use `FT_OFFSET'.
+
+2019-11-29 Dominik Röttsches <drott@chromium.org>
+
+ Avoid more nullptr offset UBSan warnings (#57316).
+
+ * src/base/ftoutln.c (FT_Outline_Transform): Bail on empty points.
+ * src/cff/cffload.c (cff_subfont_load): Use `FT_OFFSET'.
+ * src/psaux/psft.c (cf2_decoder_parse_substrings): Early out if
+ `charstring_base' or `charstring_len' are null.
+ * src/sfnt/ttload.c (tt_face_load_name): Use `FT_OFFSET'.
+
+2019-11-23 John Stracke <jstracke@Google.com>
+
+ [base] Really fix #57194.
+
+ Apply accidentally missed second part of patch.
+
+ * src/base/ftgloadr.c (FT_GlyphLoader_CheckPoints): Call
+ `FT_GlyphLoader_CreateExtra'.
+
+2019-11-23 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Avoid sanitizer warning (#57289).
+
+ * src/truetype/ttpload.c (tt_face_get_device_metrics): Use
+ `FT_OFFSET'.
+
+2019-11-23 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ [truetype] Fix integer overflow (#57287).
+
+ * src/truetype/ttgload.c (compute_glyph_metrics): Use `SUB_LONG'.
+
+2019-11-23 Ben Wagner <bungeman@google.com>
+
+ [sfnt] Avoid sanitizer warning (#57286).
+
+ * src/sfnt/ttcmap.c (tt_face_build_cmaps): Avoid possible `NULL +
+ offset' computation.
+ Tag `table' as `const'.
+
+2019-11-23 John Stracke <jstracke@Google.com>
+ Werner Lemberg <wl@gnu.org>
+
+ [base] Fix `NULL + offset' sanitizer warnings (#57194).
+
+ * src/base/ftgloadr.c (FT_GlyphLoader_Adjust_Points,
+ FT_GlyphLoader_Adjust_Subglyphs): Use `FT_OFFSET'.
+ (FT_GlyphLoader_CreateExtra): Add short cut if some values are zero.
+
+2019-11-23 Werner Lemberg <wl@gnu.org>
+
+ * include/freetype/internal/ftmemory.h (FT_OFFSET): New macro.
+
+ Use this for `base + offset' pointer calculations where `base' can
+ be NULL (triggering a sanitizer warning even if the resulting
+ pointer gets never dereferenced since it is undefined behaviour
+ in C).
+
+ Suggested by Ben Wagner.
+
+2019-11-23 Ben Wagner <bungeman@google.com>
+
+ [sfnt] Ensure OTTO fonts have tables (#57285).
+
+ * src/sfnt/ttload.c (tt_face_load_font_dir): Add test.
+
+2019-11-23 Behdad Esfahbod <behdad@behdad.org>
+
+ Minor fixes for recent compilers.
+
+ * src/gzip/infutil.h (inflate_mask): Add `const'.
+
+ * src/autofit/aflatin2.c: Include `ft2build.h'.
+
+2019-11-07 Nikolaus Waxweiler <madigens@gmail.com>
+
+ * CMakeLists.txt: Minor additions to the notes, compile
+ builds/unix/ftsystem.c instead of src/base/ftsystem.c on UNIX.
+
+ The latter change is based on the code proposed by rim in #55235.
+
+2019-10-25 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfwoff2.c (woff2_open_font): Check `num_fonts' for TTCs.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18494
+
+2019-10-22 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfwoff2.c (woff2_open_font): Avoid undefined shift.
+
+ Also improve tracing.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18390
+
+2019-10-10 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/sfnt/pngshim.c (premultiply_data): Optimize for __SSE__ only.
+
+2019-10-10 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfwoff2.c (reconstruct_glyf): Check `triplet_size'.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18108
+
+2019-10-09 John Tytgat <John.Tytgat@esko.com>
+
+ [cff] Fix FT_FACE_FLAG_GLYPH_NAMES for CFF2 based fonts (#57023).
+
+ * src/cff/cffobjs.c (cff_face_init): Don't set
+ FT_FACE_FLAG_GLYPH_NAMES for CFF2 based fonts.
+
+2019-10-08 Werner Lemberg <wl@gnu.org>
+
+ [woff2] Fix SFNT table checks.
+
+ Also reduce number of SFNT table lookups.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18065
+
+ * include/freetype/internal/wofftypes.h (WOFF2_InfoRec): Add fields
+ `glyf_table', `loca_table', and `head_table'.
+
+ * src/sfnt/sfwoff2.c (reconstruct_glyf): Update signature.
+ Use table pointers in `info' parameter.
+ (get_x_mins): Check `maxp_table'
+ Use table pointers in `info' parameter.
+ (reconstruct_font): Use and set table pointers in `info' parameter.
+ Fix check for `glyf' and `loca' tables.
+ Update call to `reconstruct_glyf'.
+ (woff2_open_font): Updated.
+
+2019-10-06 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfwoff2.c (reconstruct_glyf): Fix reallocation.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18046
+
+2019-10-06 Werner Lemberg <wl@gnu.org>
+
+ Improve memory debugging.
+
+ * include/freetype/internal/ftmemory.h (FT_MEM_FREE): Use
+ `FT_DEBUG_INNER' to set source code file name and line.
+
+ * src/base/ftdbgmem.c (ft_mem_table_remove): Better formatting of
+ tracing message.
+
+2019-10-03 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfwoff2 (reconstruct_font): Fix reallocation.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17966
+
+2019-10-01 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/base/ftstroke.c (ft_stroker_inside): Speed up.
+
+2019-10-01 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfwoff2 (woff2_open_font): Initialize `woff2.ttc_fonts'.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17804
+
+2019-09-30 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfwoff2.c (reconstruct_font): Fix memory leak.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17812
+
+2019-09-30 Werner Lemberg <wl@gnu.org>
+
+ [woff2] Reject fonts without `head' table.
+
+ Also fix memory deallocation in case of error.
+
+ `head' problem reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17820
+
+ * src/sfnt/sfwoff2.c (reconstruct_glyf): Don't use `stream_close'.
+ Abort if `head_table' is NULL.
+ Don't free `transformed_buf' in case of error.
+ (woff2_open_font): Don't set `uncompressed_buf' to NULL.
+
+2019-09-29 Werner Lemberg <wl@gnu.org>
+
+ [woff2] Fix compiler warnings.
+
+ Problem reported by Alexei.
+
+ * src/sfnt/sfwoff2.c (reconstruct_glyf): Initialize `x_min'.
+ (reconstruct_font): Initialize `num_hmetrics'.
+ (woff2_open_font): Initialize `info'.
+
+2019-09-28 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfwoff2.c (woff2_open_font): Fix sanity check.
+
+ Correct thinkos in patch from 2019-09-01.
+
+2019-09-28 Werner Lemberg <wl@gnu.org>
+
+ [woff2] Fix memory leaks.
+
+ One of them reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17766
+
+ * src/sfnt/sfwoff2.c (woff2_open_font): Free `info->x_mins' and
+ `woff2->ttc_fonts'.
+
+ (reconstruct_glyf): Initialize `info->x_mins'.
+
+2019-09-27 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/base/ftstroke.c (ft_stroker_cap): Speed up caps.
+
+2019-09-25 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/base/ftstroke.c (ft_stroker_outside): Speed up clipped miter.
+ * include/freetype/ftstroke.h: Wordsmith miter docs.
+
+2019-09-25 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfwoff2.c (woff2_open_font): Check (sum of) table sizes.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17684
+
+2019-09-23 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/base/ftstroke.c (ft_stroke_border_arcto): Speed up calculations.
+
+2019-09-20 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Fix memory leaks.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16896
+
+ * src/sfnt/sfwoff2.c (woff2_open_font): Fix error handling.
+ Free `uncompressed_buf'.
+ (reconstruct_font): Free `transformed_buf'.
+
+2019-09-17 Werner Lemberg <wl@gnu.org>
+
+ * src/otvalid/otvcommon.c (otv_Coverage_get_last): Guard `count'.
+
+ Problem reported by Marc Schönefeld <marc.schoenefeld@gmx.org>.
+
+2019-09-17 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfwoff2.c (woff2_open_font): Check table index.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17100
+
+2019-09-15 Avi Halachmi (:avih) <avihpit@yahoo.com>
+
+ [cmake] Don't fail if brotli is missing (#56894).
+
+ The libs which cmake controls are commented out at
+
+ include/freetype/config/ftoption.h
+
+ and cmake un-comment each enabled library, but the brotli option was
+ not commented out, therefore `FT_CONFIG_OPTION_USE_BROTLI' remained
+ defined even if brotli was missing/disabled/etc.
+
+ Comment it such that cmake can control it, which means leaving it
+ undefined if brotli is missing.
+
+ * include/freetype/config/ftoption.h: Fix typo.
+
+2019-09-05 Werner Lemberg <wl@gnu.org>
+
+ [cmake] Add brotli support.
+
+ * CMakeLists.txt (FT_WITH_BROTLI): New option.
+
+ * builds/cmake/FindBrotliDec.cmake: New file.
+
+2019-09-05 Werner Lemberg <wl@gnu.org>
+
+ Fix handling of `AF_CONFIG_OPTION_INDIC'.
+
+ * devel/ftoption.h, include/freetype/config/ftoption.h:
+ `AF_CONFIG_OPTION_INDIC' needs `AF_CONFIG_OPTION_CJK'.
+
+2019-09-05 Werner Lemberg <wl@gnu.org>
+
+ CMakeLists.txt: Fix generation of DLL related stuff (#56852).
+
+ Extract `version_info' variable from `builds/unix/configure.raw' and
+ use the data to correctly set `LIBRARY_VERSION' and
+ `LIBRARY_SOVERSION'.
+
+ Also use the data to set `ft_version' field in `freetype2.pc'.
+ Also fix the needed minimum version of HarfBuzz in `freetype2.pc'.
+
+2019-09-03 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfwoff2.c (compute_ULong_sum): Fix undefined shift.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16933
+
+2019-09-01 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfwoff2.c (woff2_open_font): Add sanity check.
+
+ Don't trust `totalSfntSize' unconditionally.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16893
+
+2019-08-27 Dominik Röttsches <drott@chromium.org>
+
+ [woff2] Don't use `FT_UInt64' (#56815).
+
+ * src/sfnt/sfwoff2.c (woff2_open_font): Use `FT_UInt32' for
+ `file_offset'. This fixes builds on platforms where `FT_LONG64' is
+ not defined while still being sufficient to store a file offset.
+
+2019-08-27 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Prevent crash in `TT_Set_Named_Instance' (#56813).
+
+ * src/truetype/ttgxvar.c (TT_Set_Named_Instance): Fix error
+ handling.
+
+2019-08-27 Werner Lemberg <wl@gnu.org>
+
+ [woff2] Fix compiler warnings.
+
+ * src/sfnt/sfwoff2.c (read_num_hmetrics): Remove unused argument
+ `table_len'.
+ Update caller.
+ (triplet_decode, compute_bbox, store_loca, reconstruct_glyf): Make
+ `i' variable unsigned.
+ (reconstruct_glyph): Remove condition which is always false.
+ (reconstruct_html): Removed unused argument `transformed_size'.
+ Update caller.
+
+ * src/sfnt/woff2tags.c (woff2_known_tags): Remove condition which is
+ always false.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Check whether known tag is in array bounds.
+
+ If table tag is not 0x3f, we expect a value between 0 and 62. If
+ this is not the case, exit with errors.
+
+ * src/sfnt/sfwoff2/c: Check whether table tag makes sense.
+
+ * src/sfnt/woff2tags.c: Return 0 if tag is out of bounds.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ * src/sfnt/sfwoff2.c: Improve trace comments.
+
+ Adjust tracing levels for comments, and more formatting.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Support `hmtx' reconstruction when `glyf' is untransformed.
+
+ `reconstruct_hmtx' requires `info->x_mins' and `info->num_glyphs' to
+ reconstruct the hmtx table. In case glyf is not transformed, we
+ call `get_x_mins' which does the necessary work.
+
+ * src/sfnt/sfwoff2.c (get_x_mins): New function.
+ (reconstruct_font): Call get_x_mins.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [sfnt] Support `face->num_faces' for WOFF2 fonts.
+
+ Set correct value of `face->num_faces' for WOFF2 fonts. This is
+ being handled separately because we only load the tables for the
+ requested font face in `woff2_open_font' and create a single-face
+ sfnt stream.
+
+ The full discussion is at:
+
+ https://lists.gnu.org/archive/html/freetype-devel/2019-08/msg00000.html
+
+ * src/sfnt/sfobjs.c (sfnt_open_font): Add parameter
+ `woff2_num_faces'.
+ (sfnt_init_face): Introduce variable `woff2_num_faces', and change
+ `face->root.num_faces' if `woff2_num_faces' is set.
+
+ * src/sfnt/sfwoff2.c (woff2_open_font): Validate requested face
+ index and handle negative face indices.
+
+ * src/sfnt/sfwoff2.h (woff2_open_font): Add parameter `num_faces' to
+ declaration.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Improve memory and error handling.
+
+ Free up memory after use, and improve error handling.
+
+ * src/sfnt/sfwoff2.c (reconstruct_font, woff2_open_font): Implement
+ changes.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Avoid too many calls to `FT_REALLOC'.
+
+ We do this by using `totalSfntSize' as an initial reference, and
+ extending the buffer when required. This reduces rendering time
+ considerably.
+
+ * include/freetype/internal/wofftypes.h (WOFF2_HeaderRec): Add
+ `totalSfntSize', rename `total_sfnt_size' to `actual_sfnt_size'.
+
+ * src/sfnt/sfwoff2.c (write_buf): Add parameter `dst_size' to keep
+ track of and update total size of stream.
+
+ (WRITE_SFNT_BUF, WRITE_SFNT_BUF_AT): Modify macros accordingly.
+
+ (pad4, store_loca, reconstruct_glyf, reconstruct_hmtx,
+ reconstruct_font): Update parameters to accept `sfnt_size'.
+
+ (woff2_open_font): Add variable `sfnt_size'. Use WOFF2 header field
+ `totalSfntSize' as initial reference (if value makes sense) and
+ allocate `totalSfntSize' bytes for the sfnt stream. `write_buf'
+ handles reallocation if and when required. Also resize the stream
+ to `actual_sfnt_size' after reconstruction.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Reconstruct `loca', `hmtx', and swap out stream.
+
+ Add necessary functions to reconstruct loca and hmtx tables (the two
+ remaining tables that can have a transform). `woff2_open_font' is
+ now capable of loading a woff2 font face. This code may still need
+ more refining and better memory management.
+
+ * include/freetype/internal/wofftypes.h (WOFF2_HeaderRec): Add total
+ (final) size of sfnt stream.
+
+ (WOFF2_InfoRec): Add header checksum value.
+
+ * src/sfnt/sfobjs.c (sfnt_open_font): Change `face_instance_index'
+ parameter to its pointer so its value can be modified by
+ `woff2_open_font'.
+
+ * src/sfnt/sfwoff2.c: (WRITE_SFNT_BUF_AT): New macro to write into
+ sfnt buffer at given position.
+
+ (write_buf): Add parameter `extend_buf' which allows caller to
+ specify whether buffer should be reallocated before copying data.
+
+ (WRITE_SFNT_BUF): Updated.
+
+ (pad4, store_loca, reconstruct_htmx): New functions.
+
+ (reconstruct_glyf): Calculate loca values and store them.
+
+ (reconstruct_font): Call `reconstruct_hmtx', write table record
+ entries, and calculate table checksums. Also calculate font
+ checksum and update `checksumAdjustment' entry in head table.
+
+ (woff2_open_font): Open stream for sfnt buffer, swap out input
+ stream and return.
+
+ * src/sfnt/sfwoff2.h (woff2_open_font): Modify parameter to accept
+ pointer to `face_index'.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Reconstruct transformed `glyf' table.
+
+ Reconstruct `glyf' table if it is transformed in the uncompressed
+ table stream. Also add necessary structures, macros and functions.
+
+ * include/freetype/internal/wofftypes.h (WOFF2_InfoRec,
+ WOFF2_SubstreamRec, WOFF2_PointRec): New structures.
+ (WOFF2_TableRec): s/OrigLength/dst_length/.
+
+ * src/sfnt/sfwoff2.c (READ_255USHORT, READ_BASE128): Use
+ `FT_SET_ERROR' to set implicit `error' variable.
+
+ (WRITE_SHORT): New macro.
+
+ (N_CONTOUR_STREAM, N_POINTS_STREAM, FLAG_STREAM, GLYPH_STREAM,
+ COMPOSITE_STREAM, BBOX_STREAM, INSTRUCTION_STREAM): New macros to
+ refer to substreams of the transformed `glyf' tables.
+
+ (Read255UShort, ReadBase128): Return errors set by `FT_READ_XXX'
+ macros.
+
+ (with_sign, safe_int_addition): New functions to add sign to values
+ based on a flag and perform safe addition respectively.
+
+ (triplet_decode): Decode variable-length (flag, xCoordinate,
+ yCoordinate) triplet for a simple glyph. See
+
+ https://www.w3.org/TR/WOFF2/#triplet_decoding
+
+ (store_points, compute_bbox, composteGlyph_size, reconstruct_glyf):
+ New functions.
+
+ (reconstruct_font): Call `reconstruct_glyf'.
+
+ * src/sfnt/sfwoff2.h: Add required constants.
+
+ * src/sfnt/woff2tags.h: Move out constants to `sfwoff2.h'.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Copy un-transformed tables to sfnt stream.
+
+ Copy un-transformed tables to the sfnt stream.
+
+ * src/sfnt/sfwoff2.c: (WRITE_SFNT_BUF): New macro.
+ (write_buf): New function. Extend memory of `dst' buffer and copy
+ bytes from `src'.
+ (compute_ULong_sum): New function. Calculate checksum of table.
+ (reconstruct_font): Change `FT_Byte* sfnt' to `FT_Byte**
+ sfnt_bytes'. This has been done because we reallocate memory to
+ `sfnt' multiple times, which may change the pointer value of `sfnt'.
+ This new pointer must be propogated back to the caller. Same reason
+ for using a double pointer in `write_buf'.
+
+ * src/sfnt/woff2tags.h (WOFF2_DEFAULT_MAX_SIZE): New macro used for
+ overflow checking.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Create stream for uncompressed buffer.
+
+ Uncompressed buffer is now an `FT_Stream'.
+
+ Perform basic checks and start iterating over tables.
+
+ * src/sfnt/sfwoff2.c (stream_close, find_table, read_num_hmetrics):
+ New functions.
+ (reconstruct_font): Modify parameters and iterate over tables.
+ (woff2_open_font): Updated.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Handle TTCs and start reconstructing font.
+
+ We `handle' TTCs by modifying the `indices' array to point to only
+ those tables that are part of the requested `face_index'.
+
+ Set and use `num_tables' in `WOFF2_TtcFont'.
+
+ * src/sfnt/sfwoff2.c (reconstruct_font): New function.
+ (woff2_open_font): Start reconstruction of font.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Get known tags from function.
+
+ Change `KnownTags' to a function (`woff2_known_tags'). This avoids
+ introducing a global constant array. This function returns the
+ specified index without *any* checks. The caller must ensure that
+ `index' is within array limits.
+
+ * src/sfnt/sfwoff2.c (woff2_open_font): Change `KnownTags[...]'
+ notation to `woff2_known_tags( ... )'.
+
+ * src/sfnt/woff2tags.c: Perform changes.
+
+ * src/sfnt/woff2tags.h: Update definitions.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Minor.
+
+ * src/sfnt/sfwoff2.c (woff2_uncompress): Add error message
+ (woff2_open_font): Free `uncompressed_buf'.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Uncompress Brotli streams and `face_index' support.
+
+ WOFF2 compressed stream is now uncompressed if Brotli is available.
+ This data is stored in a separate buffer (uncompressed_buf) because
+ it does not contain direct table data. Certain tables have
+ transformations applied to them, and they must be reconstructed
+ before we can write those tables to the SFNT stream.
+
+ `face_index' is now being passed as a parameter to
+ `woff2_open_font'.
+
+ * src/sfnt/sfobjs.c (sfnt_open_font): Add parameter
+ `face_instance_index'.
+
+ * src/sfnt/sfwoff2.c (woff2_uncompress): New function.
+ (woff2_open_font): Call `woff2_uncompress'.
+ (compute_first_table_offset): Fix return type.
+
+ * src/sfnt/sfwoff2.h (woff2_open_font): Modify declaration.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ * builds/unix/configure.raw: Change argument name to `brotli'.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ Add Brotli dependency and required checks.
+
+ Brotli is required for decompressing WOFF2 font directory streams.
+ The library is thus being added as an optional dependency for
+ FreeType.
+
+ * builds/unix/configure.raw: Add checks for `libbrotlidec'.
+ (REQUIRES_PRIVATE, LIBS_PRIVATE, LIBSSTATIC_CONFIG): Updated.
+
+ * devel/ftoption.h, include/freetype/config/ftoption.h
+ (FT_CONFIG_OPTION_USE_BROTLI): New macro.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Write SFNT Offset table.
+
+ * src/sfnt/sfwoff2.c (WRITE_USHORT, WRITE_ULONG): New macros.
+ (compare_tags): New function.
+ (woff2_open_font): Implement it.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ * src/sfnt/sfwoff2.c: #undef macros.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [woff2] Read table and collection directory.
+
+ * include/freetype/internal/wofftypes.h (WOFF2_TtcFontRec): New
+ structure.
+ (WOFF2_HeaderRec): Add more fields.
+
+ * src/sfnt/sfwoff2.c (READ_255USHORT, READ_BASE128, ROUND4): New
+ macros.
+ (Read255UShort, CollectionHeaderSize, compute_first_table_offset):
+ New functions.
+ (ReadBase128): Use `FT_READ_BYTE'.
+ (woff2_open_font): Add functionality to read table directory and
+ collection directory (if present).
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [sfnt] Include `woff2tags.c' for building.
+
+ * src/sfnt/rules.mk (SFNT_DRV_SRC): Add `woff2tags.c'.
+
+ * src/sfnt/sfnt.c: Include `woff2tags.c'.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [sfnt] Add WOFF2 constants.
+
+ Add constants required for WOFF2, and known table tags as defined in
+ the specification. See
+
+ https://www.w3.org/TR/WOFF2/#table_dir_format
+
+ for details.
+
+ * src/sfnt/woff2tags.c, src/sfnt/woff2tags.h: New files.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [sfnt] Read WOFF 2 header.
+
+ Check for WOFF2 tag, call `woff2_open_font', and implement it to read
+ header according to specification.
+
+ * include/freetype/internal/fttrace.h: Add `sfwoff2.c'.
+
+ * src/sfnt/rules.mk (SFNT_DRV_SRC): Add `sfwoff2.c'.
+
+ * src/sfnt/sfnt.c: Include `sfwoff2.c'.
+
+ * src/sfnt/sfobjs.c (sfnt_open_font): Check for `wOF2' tag and call
+ `woff2_open_font'.
+
+ * src/sfnt/sfwoff2.c, src/sfnt/sfwoff2.h: New files.
+
+2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ Add structures for WOFF2.
+
+ Add structures and macro for WOFF 2 header and table directory.
+
+ * include/freetype/internal/wofftypes.h (WOFF2_HeaderRec,
+ WOFF2_TableRec_): New structures.
+
+ * include/freetype/tttags.h (TTAG_wOF2): New macro.
+
+2019-08-26 Werner Lemberg <wl@gnu.org>
+
+ * src/psaux/cffdecode.c (cff_operator_seac): Fix numeric overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16470
+
+2019-08-26 Werner Lemberg <wl@gnu.org>
+
+ [type1] Fix `FT_Get_Var_Axis_Flags' (#56804).
+
+ * src/type1/t1load.c (T1_Get_MM_Var): Allocate space for axis flags.
+ Also remove redundant assignment.
+
+2019-07-24 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/base/ftbbox.c (cubic_peak): Sanitize left shift (#56586).
+
+2019-07-22 Weiyi Wu <w1w2y3@gmail.com>
+
+ * src/cid/cidload.c (cid_hex_to_binary): Fix typo (#56653).
+
+2019-07-12 Werner Lemberg <wl@gnu.org>
+
+ [sfnt, winfonts] Avoid memory leaks in case of error (#56587).
+
+ * src/sfnt/sfwoff.c (woff_open_font): Call `FT_FRAME_EXIT' in case
+ of error.
+
+ * src/winfonts/winfnt.c (fnt_face_get_dll_font): Ditto.
+
+2019-07-12 Ben Wagner <bungeman@google.com>
+
+ Properly handle phantom points for variation fonts (#56601).
+
+ * src/truetype/ttgload.c (TT_Process_Simple_Glyph): Scale phantom
+ points if HVAR and/or VVAR is present.
+
+2019-07-04 Werner Lemberg <wl@gnu.org>
+
+ [psaux] (2/2) Handle fonts that use SEAC for ligatures (#56580).
+
+ The same as previous commit but for the old engine.
+
+ * src/psaux/t1decode.c (t1operator_seac): Implement it.
+
+2019-07-04 Chris Liddell <chris.liddell@artifex.com>
+
+ [psaux] (1/2) Handle fonts that use SEAC for ligatures (#56580).
+
+ As originally intended, a Type 1 SEAC charstring would be used for
+ an accented glyph (like `acaron' or `uumlaut'), where the advance
+ width of the SEAC glyph is the same as that of the `base' glyph
+ (like `a' or `u'). In this case it is not uncommon for the SEAC
+ glyph to not use an (H)SBW opcode of its own but to rely on the
+ value from the base glyph.
+
+ However, out-of-spec fonts also use SEAC glyphs for ligatures (like
+ `oe' or `fi'), and in those cases the overall advance width is
+ greater than that of the `base' glyph. For this reason we have to
+ allow that the SEAC glyph can have an (H)SBW value of its own, and
+ if it has, retain this value, rather than the one from the base
+ glyph.
+
+ * src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_escSEAC>:
+ Implement it.
+
+2019-07-01 Werner Lemberg <wl@gnu.org>
+
+ * Version 2.10.1 released.
+ ==========================
+
+
+ Tag sources with `VER-2-10-1'.
+
+ * docs/VERSION.TXT: Add entry for version 2.10.1.
+
+ * README, Jamfile (RefDoc), src/base/ftver.rc,
+ builds/windows/vc2010/freetype.vcxproj,
+ builds/windows/vc2010/index.html,
+ builds/windows/visualc/freetype.dsp,
+ builds/windows/visualc/freetype.vcproj,
+ builds/windows/visualc/index.html,
+ builds/windows/visualce/freetype.dsp,
+ builds/windows/visualce/freetype.vcproj,
+ builds/windows/visualce/index.html,
+ builds/wince/vc2005-ce/freetype.vcproj,
+ builds/wince/vc2005-ce/index.html,
+ builds/wince/vc2008-ce/freetype.vcproj,
+ builds/wince/vc2008-ce/index.html: s/2.10.0/2.10.1/, s/2100/2101/.
+
+ * include/freetype/freetype.h (FREETYPE_PATCH): Set to 1.
+
+ * builds/unix/configure.raw (version_info): Set to 23:1:17.
+ * CMakeLists.txt (VERSION_PATCH): Set to 1.
+
+ * include/freetype/fterrors.h (FT_Error_String): Fix C++ compilation.
+
+2019-06-26 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/bdf/bdfdrivr.c (bdf_cmap_char_{index,next}): Fix inequality.
+
+ Reported by Armin Hasitzka.
+
+2019-06-16 Werner Lemberg <wl@gnu.org>
+
+ * src/tools/apinames.c: Formatting, minor edits.
+
+2019-06-16 Werner Lemberg <wl@gnu.org>
+
+ [autofit] Disable hinting if no blue zones are available (#56450).
+
+ * src/autofit/afglobal.c (af_face_global_get_metrics): Start again
+ (with dummy hinter module) if no blue zones are present.
+
+ * src/autofit/aflatin.c (af_latin_metrics_init_blues): Change
+ signature to return error code.
+ If no blue zones are found, update `glyph_styles' array to hold
+ AF_STYLE_NONE_DFLT instead of the current style.
+ (af_latin_metrics_init): Return internal error code if no blue zones
+ are found.
+
+2019-06-16 Werner Lemberg <wl@gnu.org>
+
+ Towards better VMS support.
+
+ More to come.
+
+ * builds/vms/LIBS.OPT_IA64, builds/vms/_LINK.OPT_IA64,
+ builds/vms/vmslib.dat: New files provided by Jouk Jansen
+ <joukj@hrem.nano.tudelft.nl>.
+
+ * builds/vms/ftconfig.h: Update, also from Jouk.
+
+2019-06-13 Werner Lemberg <wl@gnu.org>
+
+ * src/autofit/aflatin.c (af_latin_metrics_init_widths): Minor.
+
+2019-06-13 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Restore the span buffering for direct mode only.
+
+ The buffer size FT_MAX_GRAY_SPANS is set to 10 spans, which should be
+ enough to cover the entire scanline for simple glyphs in most cases:
+ each slightly slanted edge needs up to two spans, plus a filling span
+ in-between. This is not new, we used to do it before cb4388783cecc.
+
+ * src/smooth/ftgrays.c (gray_TWorker): Add `spans' and `num_spans'.
+ (gray_hline, gray_sweep): Implement the span buffering.
+ (gray_raster_render): Use negative `num_spans' to avoid the direct
+ mode.
+
+2019-06-12 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * include/freetype/ftmodapi.h (FT_DebugHook_Func): Return error.
+
+ Fix a warning by adding a return value as in `TT_RunIns',
+ which should not be a compatibility issue.
+
+2019-06-11 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/truetype/ttobjs.c (tt_check_trickyness_family): Add `const'.
+
+2019-06-11 Moazin Khatti <moazinkhatri@gmail.com>
+
+ [gzip] Add support for `gzip' encoded header.
+
+ * src/gzip/ftgzip.c (FT_Gzip_Uncompress): Modify the the call to
+ `inflateInit2' to enable support for `gzip' encoded headers.
+
+2019-06-10 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [type1,type42] Use `const' for string literals.
+
+ * include/freetype/internal/psaux.h (PS_Table_FuncsRec): Updated.
+ * include/freetype/internal/t1types.h (T1_EncodingRec): Updated.
+ * src/psaux/psobjs.[ch] (ps_table_add): Updated.
+ * src/type1/t1load.c (T1_Open_Face, parse_encoding): Updated.
+ * src/type42/t42objs.c (T42_Open_Face): Updated.
+ * src/type42/t42parse.c (t42_parse_encoding): Updated.
+
+ * src/cff/cffobjs.c (cff_face_init): Minor.
+
+2019-06-10 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [bdf,pcf] Use `const' for string literals.
+
+ * src/bdf/bdf.h (bdf_property_t): Updated `name'.
+ * src/bdf/bdflib.c (_bdf_list_split,bdf_create_property,
+ _bdf_add_property,_bdf_ato*): Updated.
+ * src/bdf/bdfdrivr.c (bdf_interpret_style): Updated.
+ * src/pcf/pcfread.c (pcf_intrpret_style): Ditto.
+
+2019-06-07 Philip Race <philip.race@oracle.com>
+
+ * src/base/ftinit.c (FT_Set_Default_Properties): Fix crash.
+
+ Terminate loop at end of environment.
+
+2019-05-31 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ Solidify VC2005 builds.
+
+ * include/freetype/internal/ftcalc.h (FT_MSB) [_MSC_VER]: Explicitly
+ declare `_BitScanReverse' intrinsic.
+ * builds/windows/visualc/freetype.vcproj [Debug]: Disable intrinsics.
+
+2019-05-30 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [sfnt] Separate WOFF sources and headers.
+
+ Move WOFF sources and headers to separate files.
+
+ * include/freetype/internal/wofftypes.h, src/sfnt/sfwoff.c,
+ src/sfnt/sfwoff.h: New files.
+
+ * include/freetype/internal/fttrace.h: Register `sfwoff.c'.
+
+ * include/freetype/internal/internal.h: Define
+ FT_INTERNAL_WOFF_TYPES_H.
+
+ * include/freetype/internal/sfnt.h: Include FT_INTERNAL_WOFF_TYPES_H.
+
+ * include/freetype/internal/tttypes.h: Move out WOFF structures.
+
+ * src/sfnt/rules.mk: Add `sfwoff.c'.
+
+ * src/sfnt/sfnt.c: Include `sfwoff.c'.
+
+ * src/sfnt/sfobjs.c: Include `sfwoff.h', move out WOFF sources.
+
+2019-05-30 Werner Lemberg <wl@gnu.org>
+
+ [base] Fix `make multi'.
+
+ Reported by Nikhil.
+
+ * src/base/fterrors.c: Include FT_INTERNAL_DEBUG_H.
+
+2019-05-29 Ben Wagner <bungeman@google.com>
+
+ [truetype] Fix copy-and-paste error (#56409).
+
+ * src/truetype/ttgload.c (load_truetype_glyph): Use correct indices
+ into `unrounded' array for phantom points.
+
+2019-05-29 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Fix 32bit builds (#56404).
+
+ Patch suggested by Ben Wagner <bungeman@google.com>.
+
+ * src/truetype/ttgxvar.c (FT_fixedToInt, FT_fixedToFdot6): Remove
+ harmful cast to unsigned type.
+
+2019-05-26 Ben Wagner <bungeman@google.com>
+
+ * src/truetype/ttgload.c (TT_Process_Simple_Glyph): Improve accuracy.
+
+2019-05-23 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Draw glyphs without deltas in variation font (#56374).
+
+ * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Always fill
+ `unrounded' array.
+
+2019-05-21 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttinterp.c (opcode_name): Improve mnemonics.
+
+2019-05-16 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Actually scale varied CVT values.
+
+ Up to now, only the unscaled CVT values were varied; in other words,
+ the `CVAR' data was never used for bytecode hinting.
+
+ * src/truetype/ttgxvar.c (tt_cvt_ready_iterator): New auxiliary
+ function.
+ (tt_face_vary_cvt): Use it to trigger rescaling of CVT values.
+
+2019-05-16 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Use 26.6 format for storing unscaled CVT values.
+
+ If `CVAR' data is applied to variation fonts, fractional values are
+ possible.
+
+ * include/freetype/internal/tttypes.h (TT_FaceRec): Change type of
+ `cvt' from `FT_Short' to `FT_Int32'.
+
+ * src/truetype/ttgxvar.c (FT_fdot6ToFixed): New macro.
+ (tt_face_vary_cvt): Use it to update code to 26.6 format.
+
+ * src/truetype/ttobjs.c (tt_size_run_prep): Update code to 26.6
+ format.
+
+ * src/truetype/ttpload.c (tt_face_load_cvt): Stora data in 26.6
+ format.
+
+2019-05-16 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttgload.c (load_truetype_glyph): Init `unrounded'.
+
+ This fixes linear advance width values for spacing glyphs. Bug
+ introduced 2019-05-09.
+
+2019-05-16 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Avoid code duplication.
+
+ * src/truetype/ttobjs.c (tt_size_run_prep): Scale CVT values in this
+ function.
+ (tt_size_ready_bytecode): Updated.
+ * src/truetype/ttgload.c (tt_loader_init): Updated.
+
+2019-05-13 Jouk Jansen <joukj@hrem.nano.tudelft.nl>
+
+ * vms_make.com: Updated. Handle `bzip2' directory, too.
+
+2019-05-13 Werner Lemberg <wl@gnu.org>
+
+ * src/psaux/psfont.c (cf2_font_setup): Fix compiler warning.
+
+2019-05-12 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Doh. Fix last commit to make it work.
+
+ Very embarassing :-)
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14701
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14705
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14710
+
+ * src/truetype/ttgload.c (IS_DEFAULT_INSTANCE): Move up and add
+ argument; update all callers.
+ (TT_Process_Simple_Glyph): Use it. The `unrounded' array is active
+ for variation fonts only, thus also enclose related code with
+ `#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT ... #endif' where
+ necessary.
+ Revert commit a113e5d from 2019-05-09, and don't use `extra_points2'
+ but allocate a temporary array.
+ Speed up the scaling of the `unrounded' array.
+
+ * src/truetype/ttgxvar.c (FT_fixedToInt, FT_FixedToFdot6): Fix type
+ conversions and rounding. The unsigned type must have more or equal
+ bits to the signed type.
+
+2019-05-09 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Increase precision of font variation (#54371).
+
+ This patch makes FreeType use font units in 26.6 format internally
+ instead of integers.
+
+ * src/truetype/ttgxvar.c (FT_fixedToFdot6): New macro.
+ (TT_Vary_Apply_Glyph_Deltas): Add argument to output unrounded font
+ coordinates.
+ * src/truetype/ttgxvar.h: Updated.
+
+ * src/truetype/ttgload.c (TT_Process_Simple_Glyph): Use
+ `extra_points2' array to temporarily hold unrounded point
+ coordinates; use them to compute scaled coordinates and linear
+ advance width and height.
+ (load_truetype_code): Adjust similarly.
+
+2019-05-09 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttgload.c (TT_Process_Simple_Glyph): Minor.
+
+2019-05-08 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Faster fractions.
+
+ * src/smooth/ftgrays.c (SUBPIXELS): Replace with...
+ (FRACT): A fractional coordinate macro to use in...
+ (gray_render_line, gray_render_scanline): ... here.
+
+2019-05-07 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/raster/ftraster.c (Draw_Sweep): Unbreak.
+
+2019-05-05 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/raster/ftraster.c: Clean-ups.
+
+2019-05-05 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttgxvar.c: More use of `FT_fdot14ToFixed'.
+
+2019-05-04 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/smooth/ftgrays.c (gray_render_line): Small shortcut.
+
+2019-05-04 Werner Lemberg <wl@gnu.org>
+
+ Various clang 8.0 static analyzer fixes.
+
+ Reported by Sender Ghost <lightside@gmx.com>.
+
+ * src/autofit/afcjk.c (af_cjk_hints_compute_edges): Catch a corner
+ case where `edge->first' could be NULL.
+
+ * src/pfr/pfrobjs.c (pfr_slot_load): Remove unnecessary test of
+ `size'.
+
+ * src/raster/ftraster.c (Draw_Sweep): Catch a corner case where
+ `draw_right' might be NULL.
+
+ * src/sfnt/ttmtx.c (tt_face_get_metrics): Fix limit test for
+ `aadvance'.
+ Ensure `abearing' always hold a meaningful result.
+
+ * src/truetype/ttgload.c (load_truetype_glyph): Ensure `subglyph' is
+ not NULL before accessing it.
+ * src/truetype/ttgxvar.c (TT_Set_Named_Instance): Remove unnecessary
+ test of `namedstyle'.
+
+ * src/type42/t42parse.c (t42_parser_done): Ensure
+ `parser->root.funcs.done' is not NULL before accessing it.
+
+2019-05-03 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ Miscellaneous macro updates.
+
+ * src/base/ftoutln.c (SCALED): Updated.
+ * src/smooth/ftgrays.c (SCALED): Ditto.
+ (FLOOR, ROUND, CEILING): Removed.
+ * src/psaux/psfixed.h (cf2_fracToFixed): Updated.
+
+2019-05-02 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ Tweak LCD filtering.
+
+ * src/base/ftlcdfil.c (ft_lcd_filter_fir, _ft_lcd_filter_legacy):
+ Choose direction from bitmap's pixel_mode.
+ * include/freetype/internal/ftobjs.c (FT_Bitmap_LcdFilterFunc):
+ Updated.
+ * src/smooth/ftsmooth.c (ft_smooth_render_generic): Updated.
+
+2019-05-02 Werner Lemberg <wl@gnu.org>
+
+ * vms_make.com: Updated (#56253).
+
+ Remove no longer existing directories (`autohint', `otlayout').
+ Update used base extensions.
+ Activate `autofit' module.
+ Add `gxvalid' module.
+ Update copyright notices.
+
+2019-04-29 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Simplify cubic Bézier flattening.
+
+ The previous implementation is correct but it is too complex.
+ The revised algorithm is based on the fact that each split moves
+ the control points closer to the trisection points on the chord.
+ The corresponding distances are good surrogates for the curve
+ deviation from the straight line.
+
+ This cubic flattening algorithm is somewhat similar to the conic
+ algorithm based the distance from the control point to the middle of
+ the chord. The cubic distances, however, decrease less predictably
+ but are easy enough to calculate on each step.
+
+ The new algorithm produces slightly larger number of splits, which is
+ compensated by its simplicity. The overall rendering performance is
+ improved by 1-2%. The larger number of splits does not necessarily
+ result in higher quality, which stays comparable.
+
+ * src/smooth/ftgrays.c (gray_render_cubic): Replace the split
+ condition.
+
+2019-04-26 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Bithacks and cosmetics.
+
+ * src/smooth/ftgrays.c (gray_record_cell, gray_set_cell, gray_hline,
+ gray_render_conic, gray_convert_glyph_inner): Updated.
+
+2019-04-25 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ Optimize Bézier bisections.
+
+ This change makes bisections faster by 20-30%. When inlined into
+ `gray_render_cubic', this makes the function faster by 10% and is
+ noticeable in the overall rendering performance.
+
+ * src/raster/ftraster.c (Split_Conic, Split_Cubic): Use shifts and
+ refactor.
+ * src/smooth/ftgrays.c (gray_split_conic, gray_split_cubic): Ditto.
+ * src/base/ftstroke.c (ft_conic_split, ft_cubic_split): Ditto.
+ * src/base/ftbbox.c (cubic_peak): Use shifts.
+
+2019-04-23 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/ttcmap.c (tt_cmap12_next): Remove dead code.
+
+ Found by clang 8.0's static analyzer and reported by Sender Ghost
+ <lightside@gmx.com>.
+
+2019-04-23 Werner Lemberg <wl@gnu.org>
+
+ [base] Fix thinko in previous commit.
+
+ * src/base/ftbitmap.c (FT_Bitmap_Blend): Check final width, not
+ target pitch.
+
+ Problem reported by Sender Ghost <lightside@gmx.com>.
+
+2019-04-22 Werner Lemberg <wl@gnu.org>
+
+ * src/base/ftbitmap.c (FT_Bitmap_Blend): Check target pitch.
+
+ Problem reported by Sender Ghost <lightside@gmx.com>.
+
+2019-04-22 Werner Lemberg <wl@gnu.org>
+
+ Fix return value of `FT_Set_Named_Instance' (#56186).
+
+ * src/truetype/ttgxvar.c (TT_Set_Named_Instance): Correctly handle
+ internal return value -1 of `TT_Set_Var_Design'.
+
+2019-04-18 Werner Lemberg <wl@gnu.org>
+
+ [pcf] Fix handling of undefined glyph (#56067).
+
+ This commit fixes the changes from 2018-07-21, which broke charmap
+ iteration. We now add the default character as a new glyph with
+ index 0, thus increasing the number of glyphs by one (as before).
+
+ * src/pcf/pcfread.c (pcf_get_metrics): Adjust to new artificial
+ glyph with index 0.
+ Limit number of elements to 65534.
+ (pcf_get_bitmaps): Ditto.
+ Unify two loops into one; this avoids allocation of an intermediate
+ array.
+ (pcf_get_encodings): Don't flip indices but copy glyph metrics of
+ default character to index 0.
+ Also handle invalid default character.
+
+ * docs/CHANGES: Updated.
+
+2019-04-15 Minmin Gong <gongminmin@msn.com>
+
+ * CMakeLists.txt: Avoid rewriting of unchanged configuration files.
+
+ Reported as
+
+ https://savannah.nongnu.org/patch/index.php?9755
+
+2019-04-15 JDG <JonathanG@iQmetrix.com>
+
+ * src/tools/apinames.c (main): Fix error message.
+
+ Reported as
+
+ https://savannah.nongnu.org/patch/?9796
+
+2019-04-11 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Fix segfault in direct mode (#56092).
+
+ * src/base/ftoutln.c (FT_Outline_Render): Set missing clip_box for
+ direct mode.
+ * src/smooth/ftgrays.c (gray_raster_render): Use it.
+
+2019-04-06 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/ttcmap.c (tt_get_glyph_name): Pacify compiler (#56061).
+
+ This is for Visual Studio 2019 on ARM.
+
+2019-04-06 Werner Lemberg <wl@gnu.org>
+
+ For distribution, replace `.tar.bz2' with `.tar.xz' bundles.
+
+ * builds/toplevel.mk (build): Do it.
+
+ * README, docs/CHANGES, docs/release: Updated.
+
+2019-04-06 Antony Lee <anntzer.lee@gmail.com>
+
+ Make `glyph_name' parameter to `FT_Get_Name_Index' a `const'.
+
+ * include/freetype/freetype.h (FT_Get_Name_Index),
+ include/freetype/internal/ftobjs.h (FT_Face_GetGlyphNameIndexFunc),
+ include/freetype/internal/services/svgldict.h
+ (FT_GlyphDict_NameIndexFunc), src/base/ftobjs.c (FT_Get_Name_Index),
+ src/cff/cffdrivr.c (cff_get_name_index), src/sfnt/sfdriver.c
+ (sfnt_get_name_index), src/type1/t1driver.c (t1_get_name_index),
+ src/type42/t42drivr.c (t42_get_name_index): Add `const' to second
+ argument.
+
+2019-03-31 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ [cff] Fix boundary checks.
+
+ 642bc7590c701c8cd35a9f60fa899cfa518b17ff introduced dynamically
+ allocated memory when parsing CFF files with the "old" engine. Bounds
+ checks have never been updated, however, leading to pointless
+ comparisons of pointers in some cases. This commit presents a
+ solution for bounds checks in the CFF module with an extended logic
+ for the "old" engine while staying as concise as possible for the
+ "new" one.
+
+ * src/cff/cffparse.h: Introduce the struct `CFF_T2_StringRec' and
+ the additional field `t2_strings' within `CFF_ParserRec'.
+
+ * src/cff/cffparse.c (cff_parser_within_limits): Move all boundary
+ checks into this new function and update the rest of `cffparse.c' to
+ use it.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12137
+
+2019-03-20 Werner Lemberg <wl@gnu.org>
+
+ [autofit] Fix Mongolian blue zone characters.
+
+ * src/autofit/afblue.dat: Use U+200D (ZERO-WIDTH JOINER) characters
+ to get medial forms for some Mongolian characters.
+ * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
+
+2019-03-19 Werner Lemberg <wl@gnu.org>
+
+ [autofit] Add support for Mongolian script.
+
+ As a de-facto standard, layouts using this script are constructed
+ horizontally line by line, then the lines are rotated clockwise for
+ vertical display.
+
+ * src/autofit/afblue.dat: Add blue zone data for Mongolian.
+ * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
+
+ * src/autofit/afscript.h: Add Mongolian standard characters.
+
+ * src/autofit/afranges.c, src/autofit/afstyles.h: Add Mongolian
+ data.
+
+2019-03-15 Werner Lemberg <wl@gnu.org>
+
+ * Version 2.10.0 released.
+ ==========================
+
+
+ Tag sources with `VER-2-10-0'.
+
+ * docs/VERSION.TXT: Add entry for version 2.10.0.
+ * docs/CHANGES: Updated.
+
+ * README, Jamfile (RefDoc), src/base/ftver.rc,
+ builds/windows/vc2010/freetype.vcxproj,
+ builds/windows/vc2010/index.html,
+ builds/windows/visualc/freetype.dsp,
+ builds/windows/visualc/freetype.vcproj,
+ builds/windows/visualc/index.html,
+ builds/windows/visualce/freetype.dsp,
+ builds/windows/visualce/freetype.vcproj,
+ builds/windows/visualce/index.html,
+ builds/wince/vc2005-ce/freetype.vcproj,
+ builds/wince/vc2005-ce/index.html,
+ builds/wince/vc2008-ce/freetype.vcproj,
+ builds/wince/vc2008-ce/index.html: s/2.9.1/2.10.0/, s/291/2100/.
+
+ * include/freetype/freetype.h (FREETYPE_MINOR): Set to 10.
+ (FREETYPE_PATCH): Set to 0.
+
+ * builds/unix/configure.raw (version_info): Set to 23:0:17.
+ * CMakeLists.txt (VERSION_MINOR): Set to 10.
+ (VERSION_PATCH): Set to 0.
+
+ * builds/toplevel.mk (version, winversion): Since the minor version
+ number has two digits now, never omit the patch number. We would
+ get ambiguous zip file names otherwise.
+ (dist): Remove remnants of `docmaker' tool.
+ (do-dist): Remove unused intermediate files.
+
+ * src/cff/cffparse.c (destrict_c2s_item): Guard function with
+ CFF_CONFIG_OPTION_OLD_ENGINE macro.
+
+2019-03-07 Andrei Alexeyev <0x416b617269@gmail.com>
+ Werner Lemberg <wl@gnu.org>
+
+ Fix invalid function pointer casts.
+
+ This change should allow Freetype to work on WASM/Emscripten without
+ needing `-s EMULATE_FUNCTION_POINTER_CASTS=1'.
+
+ * src/autofit/afdummy.c (af_dummy_hints_apply): Fix signature.
+
+ * src/cid/cidload.c (cid_parse_font_matrix, parse_fd_array,
+ parse_expansion_factor, parse_font_name): Return `void', not
+ `FT_Error'.
+
+ * include/freetype/internal/ftobjs.h (FT_CMap_CharVarIsDefaultFunc):
+ Fix signature.
+
+2019-03-05 Werner Lemberg <wl@gnu.org>
+
+ [base] Handle numeric overflow (#55827).
+
+ * src/base/ftglyph.c (FT_Glyph_Get_CBox): Use `FT_PIX_CEIL_LONG'.
+
+2019-03-05 Sebastian Rasmussen <sebras@gmail.com>
+
+ [psaux] Fix use of uninitialized memory (#55832).
+
+ * src/psaux/psintrp.c (cf2_interpT2CharString): The call to
+ `cf2_arrstack_setCount' may fail because the allocator ran out of
+ memory. When this happens the stack is still written to before the
+ error condition is checked. This means that FreeType writes outside
+ of allocated memory. This commit moves the error check prior to the
+ stack assignment, hence the function now properly returns with an
+ error condition.
+
+2019-02-23 Werner Lemberg <wl@gnu.org>
+
+ * src/base/ftbitmap.c (FT_Bitmap_Blend): No fractional offsets.
+
+ The function only provided a framework without an actual
+ implementation, which this commit removes.
+
+2019-02-23 Werner Lemberg <wl@gnu.org>
+
+ * src/tools/update-copyright-year: Insert `(C)'.
+
+2019-02-21 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ [truetype] Mask numeric overflows.
+
+ * src/truetype/ttinterp.c (Move_CVT, Move_CVT_Stretched, Ins_MIRP):
+ Mask numeric overflows.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11681
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11734
+
+2019-02-21 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ [psaux] Mask numeric overflow.
+
+ * src/psaux/cffdecode.c (cff_decoder_parse_charstrings): Mask numeric
+ overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13041
+
+2019-02-16 Wink Saville <wink@saville.com>
+
+ * src/autofit/afwarp.h (af_warper_compute): Fix declaration.
+
+2019-02-02 Nikolaus Waxweiler <madigens@gmail.com>
+
+ [truetype] Apply MVAR hasc, hdsc and hlgp metrics to current FT_Face metrics.
+
+ Instead of setting typo or win metrics as the new `FT_Face' metrics
+ indiscriminately, apply only typo deltas to the currently active
+ `FT_Face' metrics. This prevents line height differences when the
+ default outlines were used as the regular face and instances for
+ everything else, for example.
+
+ * src/truetype/ttgxvar.c (tt_apply_mvar): Implement.
+
+2019-02-02 Nikolaus Waxweiler <madigens@gmail.com>
+
+ [sfnt] Use typo metrics if OS/2 fsSelection USE_TYPO_METRICS bit is set.
+
+ If the `OS/2' table exists and `fsSelection' bit 7
+ (USE_TYPO_METRICS) is set, use the `sTypo*' set of values to compute
+ the `FT_Face's ascender, descender, and height. Otherwise, fall
+ back to old behavior.
+
+ * src/sfnt/sfobjs.c (sfnt_load_face): Implement.
+
+2019-01-18 John Tytgat <John.Tytgat@esko.com>
+
+ [sfnt] Handle TT fonts having two PostScript font names (#55471).
+
+ * src/sfnt/sfdriver.c (sfnt_get_name_id): Prefer English over any
+ other language found for PostScript font names.
+
+2019-01-08 Chris Liddell <chris.liddell@artifex.com>
+
+ [psaux] Fix closepath (#55414).
+
+ All of the Type 1 path building is done with code common to the
+ revised CFF engine, with the exception of closepath, which was still
+ calling ps_builder_close_contour(), thus previously cached segments
+ were not always written to the path, and glyph corruption, or even
+ invalid outlines were possible.
+
+ * src/psauc/psinterp.c (cf2_interpT2CharString) <cf2_cmdCLOSEPATH>:
+ Switch to calling `cf2_glyphpath_closeOpenPath'.
+
+2018-12-29 Werner Lemberg <wl@gnu.org>
+
+ * src/autofit/aflatin2.c: Some fixes from `aflatin.c' (#55310).
+
+2018-12-25 Werner Lemberg <wl@gnu.org>
+
+ * src/psaux/cffdecode.c (cff_operaor_seac): Fix numeric overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11915
+
+2018-12-12 Werner Lemberg <wl@gnu.org>
+
+ [gxvalid] Fix compiler warnings.
+
+ * src/gxvalid/gxvjust.c (gxv_just_check_max_gid),
+ src/gxvalid/gxvmort.c (gxv_mort_coverage_validate): Use `FT_UNUSED'.
+
+2018-12-11 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttgload.c (TT_Hint_Glyph): Remove useless test.
+
+ `control_len' only gets its value from `n_ins' (and vice versa),
+ which is always read as `unsigned short' and thus can't be larger
+ than 0xFFFF.
+
+2018-12-04 Werner Lemberg <wl@gnu.org>
+
+ [bdf] Ignore data after `ENDFONT'.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10798
+
+ * src/bdf/bdflib.c (_bdf_parse_end): New function.
+ (_bdf_parse_glyphs): Switch to `_bdf_parse_end' after `ENDFONT' has
+ been encountered.
+
+2018-12-02 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * builds/windows/visualc/freetype.dsp: Dust off.
+
+2018-11-27 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * builds/windows/vc2010/freetype.vcxproj: Simplify.
+
+2018-11-27 Chris Liddell <chris.liddell@artifex.com>
+
+ [type1,cff] Add FT_{Set,Get}_MM_WeightVector API calls.
+
+ For multiple master fonts, common usage (in Postscript) is to modify
+ the WeightVector of an existing font instance, this addition
+ supports that use.
+
+ * include/freetype/ftmm.h, src/base/ftmm.c (FT_Set_MM_WeightVector,
+ FT_Get_MM_WeightVector): New API functions.
+
+ * include/freetype/internalservices/svmm.h
+ (FT_Set_MM_WeightVector_Func, FT_Get_MM_WeightVector_Func): New
+ function types.
+ (MultiMasters): Add `set_mm_weightvector' and `get_mm_weightvector'
+ members.
+ (FT_DEFINE_SERVICE_MULTIMASTERSREC): Updated.
+
+ * src/cffcffdrivr.c (cff_set_mm_weightvector,
+ cff_get_mm_weightvector): New functions.
+ (cff_service_multi_masters): Register them.
+
+ * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Updated.
+ This driver doesn't use the new interface.
+
+ * src/type1/t1load.c (T1_Set_MM_WeightVector,
+ T1_Get_MM_WeightVector): New functions.
+ * src/type1/t1driver.c (t1_service_multi_masters): Register them.
+ * src/type1/t1load.h: Updated.
+
+2018-11-27 Ben Wagner <bungeman@google.com>
+
+ [cff] Fix compiler warning (#55105).
+
+ * src/cff/cffparse.c (cff_parser_run): Guard label only used if
+ CFF_CONFIG_OPTION_OLD_ENGINE is active.
+
+2018-11-27 Ben Wagner <bungeman@google.com>
+
+ [truetype] Fix numeric overflow (#55103).
+
+ * src/truetype/ttgload.c (compute_glyph_metrics): Use `SUB_LONG'.
+
+2018-11-25 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [builds] Belated DLL support with vc2002-vc2008.
+
+ The solution and project files should be automatically upgraded for
+ the approriate Visual C++ version.
+
+ * builds/windows/visualc/freetype.{sln,vcproj}: Major upgrades.
+ * builds/windows/visualc/index.html: Document the change.
+ * builds/windows/vc2005, builds/windows/vc2008: Removed as redundant.
+
+2018-11-22 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ * src/cff/cffparse.c: Please the compiler.
+
+2018-11-22 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ [cff] Fix memory overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9869
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10869
+
+ * src/cff/cffparse.c (destruct_t2s_item, cff_parser_run): Store
+ evaluated T2 charstrings in separately allocated memory.
+
+2018-11-18 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * builds/windows/{visualc,vc2005,vc2008}/freetype.vcproj: Fix it.
+
+2018-11-10 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Placeholder only for library-enabled LCD filtering.
+
+ * src/smooth/ftsmooth.c (ft_smooth_init): Add disabled
+ `FT_Library_SetLcdFilter' call.
+
+2018-11-09 Young Xiao <yangx92@hotmail.com>
+
+ [psaux] Add safety guard (#54985).
+
+ * src/psaux/psobjs.c (cff_builder_close_contour): Do it.
+
+2018-11-08 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * builds/unix/configure.raw: Require `windows.h' for windres.
+
+2018-11-08 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [ftstroke] Fix unpredictable failures (#54986).
+
+ * src/base/ftstroke.c (ft_sroke_border_lineto): Fix lineto check.
+
+2018-11-08 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [ftstroke] Fix unpredictable failures (#54976).
+
+ * src/base/ftstroke.c (ft_sroke_border_close): Set the start tags.
+
+2018-11-07 Ben Wagner <bungeman@google.com>
+
+ [truetype] Fix VF check from 2018-09-12 (#54973).
+
+ * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Use correct
+ offsets for estimates.
+
+2018-11-06 Werner Lemberg <wl@gnu.org>
+
+ [pshinter] Fix numeric overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11242
+
+ * src/pshinter/pshrec.c (ps_dimension_add_t1stem): Implement it.
+
+2018-11-06 Werner Lemberg <wl@gnu.org>
+
+ [psaux] Fix timeout in old CFF engine.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11260
+
+ * src/psaux/cffdecode.c (cff_decoder_parse_charstrings)
+ <cff_op_sqrt> [CFF_CONFIG_OPTION_OLD_ENGINE]: Fix potential endless
+ loop.
+
+2018-11-04 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/truetype/ttgxvar.c: Use enum definitions.
+
+2018-11-03 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/truetype/ttgxvar.c (ft_var_apply_tuple): Adjust condition.
+
+2018-11-03 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/truetype/ttgxvar.c (ft_var_apply_tuple): Tracing tweaks.
+
+2018-11-03 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ Revert due to specs: [truetype] Speed up variation IUP.
+
+2018-11-02 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/truetype/ttgxvar.c (ft_var_get_item_delta): Fixed logic.
+
+ Reported and tested by Behdad.
+
+2018-11-02 Shailesh Mistry <shailesh.mistry@hotmail.co.uk>
+
+ [autofit] Prevent SEGV.
+
+ See
+
+ https://bugs.ghostscript.com/show_bug.cgi?id=697545
+
+ for more details on how the bug was found.
+
+ * src/autofit/afloader.c (af_loader_load_glyph): Propagate error
+ code.
+
+2018-10-31 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [truetype] Speed up variation IUP.
+
+ * src/truetype/ttgxvar.c (tt_delta_interpolate): Separate trivial
+ snapping to the same position from true interpolation.
+
+2018-10-31 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/type1/t1load.c (t1_set_mm_blend): Optimized.
+
+2018-10-31 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/truetype/ttgxvar.c (ft_var_get_item_delta): Optimized.
+
+2018-10-29 Werner Lemberg <wl@gnu.org>
+
+ [base] Fix numeric overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11080
+
+ * src/base/ftoutln.c (FT_Outline_Get_Orientation): Use `MUL_LONG'.
+
+2018-10-29 Werner Lemberg <wl@gnu.org>
+
+ [cff] Fix numeric overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10988
+
+ * src/cff/cffparse.c (cff_parser_run)
+ [CFF_CONFIG_OPTION_OLD_ENGINE]: Use `NEG_LONG'.
+
+2018-10-27 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [sfnt] Make `head' timestamps unsigned.
+
+ It's been more than 2^31 seconds since 1904.
+
+ * include/freetype/tttables.h (TT_Header): Change field types.
+ * src/sfnt/ttload.c (tt_face_load_generic_header): Updated.
+
+2018-10-27 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ Revert: Align FreeType with standard C memory management.
+
+2018-10-27 Werner Lemberg <wl@gnu.org>
+
+ [psaux] Fix numeric overflow.
+
+ Triggered by
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11157
+
+ * src/psaux/cffdecode.c (cff_decoder_parse_charstrings) <cff_op_blend>
+ [CFF_CONFIG_OPTION_OLD_ENGINE]: Fix integer overflow.
+
+2018-10-20 Werner Lemberg <wl@gnu.org>
+
+ Avoid endless loop while tracing (#54858).
+
+ * src/type1/t1load.c (parse_buildchar): Guard tracing stuff with
+ FT_DEBUG_LEVEL_TRACE.
+
+2018-10-17 David Demelier <markand@malikania.fr>
+
+ * CMakeLists.txt: Specify `RUNTIME DESTINATION'.
+
+ This is needed for DLL builds.
+
+2018-10-07 Werner Lemberg <wl@gnu.org>
+
+ A missing Unicode cmap is not a fatal error.
+
+ This is a follow-up to the previous commit.
+
+ * src/cff/cffobjs.c (cff_face_init), src/sfnt/sfobjs.c
+ (sfnt_load_face), src/type1/t1objs.c (T1_Face_Init),
+ src/type42/t42objs.c (T42_Face_Init): Implement it.
+
+2018-10-07 Werner Lemberg <wl@gnu.org>
+
+ Fix handling of FT_CONFIG_OPTION_ADOBE_GLYPH_LIST (#54794).
+
+ * src/cff/cffcmap.c (cff_cmap_unicode_init), src/psaux/t1cmap.c
+ (t1_cmap_unicode_init), src/sfnt/ttcmap.c (tt_cmap_unicode_init):
+ Check `unicodes_init' field.
+
+2018-10-03 Werner Lemberg <wl@gnu.org>
+
+ [ftgrays] Fix typo in stand-alone mode (#54771).
+
+ * src/smooth/ftgrays.c (FT_THROW) [STANDALONE_ &&
+ FT_DEBUG_LEVEL_TRACE]: Fix call to `FT_ERR_CAT'.
+
+2018-10-02 Werner Lemberg <wl@gnu.org>
+
+ [psaux] Fix segfault.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10768
+
+ * src/psaux/cffdecode.c (cff_decoder_parse_charstrings)
+ <cff_op_callothersubr> [CFF_CONFIG_OPTION_OLD_ENGINE]: Check
+ argument.
+
+2018-10-02 Werner Lemberg <wl@gnu.org>
+
+ [psaux] Fix numeric overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10740
+
+ * src/psaux/cffdecode.c (cff_decoder_parse_charstrings) <cff_op_roll>
+ [CFF_CONFIG_OPTION_OLD_ENGINE]: Use NEG_INT.
+
+2018-10-02 Werner Lemberg <wl@gnu.org>
+
+ [pshinter] Handle numeric overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10550
+
+ * src/pshinter/pshglob.c (psh_blues_snap_stem): Mask numeric
+ overflow.
+
+2018-09-27 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ Align FreeType with standard C memory management.
+
+ * include/freetype/ftsystem.h: Include FT_TYPES_H.
+ (*FT_Alloc_Func, *FT_Realloc_Func): Use size_t for the size arguments.
+ * src/raster/ftmisc.h: Ditto.
+
+ * builds/amiga/src/base/ftsystem.c, builds/unix/ftsystem.c,
+ * builds/vms/ftsystem.c, src/base/ftsystem.c (ft_alloc, ft_realloc):
+ Use size_t for the size arguments.
+
+ * src/base/ftdbgmem.c (ft_mem_debug_alloc, ft_mem_debug_realloc): Use
+ FT_Offset, aka size_t, for the size arguments.
+
+2018-09-25 Werner Lemberg <wl@gnu.org>
+
+ Fix handling of `FT_Bool'.
+
+ Before this commit we had code like
+
+ (FT_Bool)( globals->glyph_styles[gindex] & 0x8000)
+
+ Since `FT_Bool' is defined to be an `unsigned char', the code
+ evaluated to something like
+
+ (unsigned char)( 0x8532 & 0x8000)
+
+ which in turn expanded to
+
+ (unsigned char)( 0x8000)
+
+ and finally yielded 0x00 – i.e., false – not as expected.
+
+ Problem reported and analyzed by Tony Smith <tony.smith@macro4.com>.
+
+ * include/freetype/fttypes.h (FT_BOOL): Add a comparison against
+ zero so that we always have a Boolean expression.
+
+ */*: Replace castings to `FT_Bool' with calls to `FT_BOOL' where
+ possible.
+
+2018-09-23 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [bdf] Speed up charmap access.
+
+ This makes FT_Get_Char_Index and FT_Get_Next_Char 4-5 times faster.
+
+ * src/bdf/bdfdrivr.c (bdf_cmap_char_{index,next}): Help binary search
+ with continuous prediction.
+
+2018-09-22 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/base/ftobjs.c (ft_glyphslot_preset_bimap): Another tweak.
+
+ This one should be clearer. When the rounded monochrome bbox collapses
+ we add a pixel that covers most if not all original cbox.
+
+2018-09-21 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/base/ftobjs.c (ft_glyphslot_preset_bimap): Further tweak.
+
+2018-09-21 Ben Wagner <bungeman@google.com>
+
+ Improve auto-hinter handling of bitmap fonts (#54681).
+
+ For bitmap fonts, `FT_Load_Glyph' should either return an error or
+ not set the format to `FT_GLYPH_FORMAT_OUTLINE'. However, in this
+ case `FT_Load_Glyph' calls into the auto-hinter which calls back
+ into `FT_Load_Glyph' with `FT_LOAD_NO_SCALE' in the flags, which
+ marks the glyph as `FT_GLYPH_FORMAT_OUTLINE' with an empty path
+ (even though it doesn't have any path). It appears that the
+ auto-hinter should not be called when the face doesn't have
+ outlines. The current test for using the auto-hinter in
+ `FT_Load_Glyph' checks whether the driver supports scalable
+ outlines, but not if the face supports scalable outlines.
+
+ * src/base/ftobjs.c (FT_Load_Glyph): Directly check whether we have
+ scalable outlines.
+
+2018-09-21 Werner Lemberg <wl@gnu.org>
+
+ [raster] Fix disappearing vertical lines (#54589).
+
+ * src/raster/ftraster.c (Vertical_Sweep_Span): Handle special case
+ where both left and right outline exactly pass pixel centers.
+
+2018-09-20 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/base/ftobjs.c (ft_glyphslot_preset_bimap): Tiny rounding tweak.
+
+ This adds pixels in case a contour goes through the center
+ and they need to be turned on in the b/w rasterizer.
+
+2018-09-20 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [pcf] Replace charmap implementation.
+
+ PCF comes with charmap lookup table, aka PCF encodings. Using it
+ directly makes FT_Get_Char_Index and FT_Get_Next_Char 4-5 times
+ faster than the original BDF-like binary searches.
+
+ * src/pcf/pcf.h (PCF_EncodingRec): Removed.
+ (PCF_FaceRec): Remove `nencodings' and `encodings'.
+ * src/pcf/pcfdrivr.c (pcf_cmap_char_{index,next}): Replaced.
+ * src/pcf/pcfread.c (pcf_get_encodings): Store data differently.
+
+2018-09-20 Werner Lemberg <wl@gnu.org>
+
+ [base] Remove unused function `FT_GlyphLoader_CopyPoints'.
+
+ * include/freetype/internal/ftgloadr.h, src/base/ftgloadr.c
+ (FT_GlyphLoader_CopyPoints): Do it.
+
+2018-09-19 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [pcf] Prepare to replace charmap implementation.
+
+ * src/pcf/pcf.h (PCF_FaceRec): Updated to include...
+ (PCF_EncRec): ... this new structure to store charmap geometry.
+
+ * src/pcf/pcfread.c (pcf_get_encodings): Store charmap geometry.
+
+2018-09-18 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ Remove unused fields.
+
+ * src/pcf.h (PCF_FaceRec): Remove `charmap' and `charmap_handle'.
+ * src/bdfdrvr.h (BDF_FaceRec): Ditto.
+ * src/winfonts/winfnt.h (FNT_FaceRec): Ditto.
+
+2018-09-17 Werner Lemberg <wl@gnu.org>
+
+ [pshinter] Handle numeric overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10396
+
+ * src/pshinter/pshglob.c: Include FT_INTERNAL_CALC_H.
+ (psh_blues_snap_stem): Mask numeric overflow.
+
+2018-09-13 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Some fixes for VF checks.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10317
+
+ * src/truetype/ttgxvar.c (ft_var_load_gvar): Properly exit memory
+ frame if we have invalid glyph variation data offsets.
+ (tt_face_vary_cvt): Protect against missing `tuplecoords' array.
+ Fix typo.
+
+2018-09-13 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfdriver.c (sfnt_get_var_ps_name): Fix last commit.
+
+2018-09-13 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/sfdriver.c (sfnt_get_var_ps_name): Check `result'.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10316
+
+2018-09-12 John Tytgat <John.Tytgat@esko.com>
+
+ [sfnt] Better PS name handling (#54629).
+
+ * src/sfnt/sfdriver (IS_WIN, IS_APPLE): Omit language ID checks.
+ (get_win_string, get_apple_string): Return NULL when the PostScript
+ font name characters is not according to specification.
+ (get_win_string): Make trace output work if the high byte if
+ non-zero.
+ (sfnt_get_var_ps_name, sfnt_get_ps_name): Previously we preferred
+ Win PS name (when there is also an Apple PS name); change this into
+ a fallback to Apple PS name in case the Win PS name is invalid.
+
+2018-09-12 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Improve VF check.
+
+ Triggered by
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10255
+
+ * src/truetype/ttgxvar.c (ft_var_load_gvar): Use better limit check
+ for `tupleCount'.
+
+2018-09-12 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttgxvar.c (ft_var_load_gvar): Check `glyphoffsets'.
+
+2018-09-10 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ * src/pshinter/pshrec.c (t2_hints_stems): Mask numeric overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10215
+
+2018-09-09 Ben Wagner <bungeman@google.com>
+
+ * builds/freetype.mk (refdoc-venv): Ensure python version (#54631).
+
+2018-09-07 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Fix assertion failure.
+
+ Triggered by
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10212
+
+ * src/truetype/ttgload.c (load_truetype_glyph): Reintroduce
+ `opened_frame' (removed in a change from 2018-08-26) to handle
+ deallocation of the second frame.
+
+2018-09-05 Werner Lemberg <wl@gnu.org>
+
+ Synchronize `ftdebug.c' files.
+
+ * builds/amiga/src/base/ftdebug.c, builds/wince/ftdebug.c,
+ builds/windows/ftdebug.c: Synchronize with `src/base/ftdebug.c'.
+
+2018-09-05 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ Add documentation guidelines file.
+
+ * docs/DOCGUIDE: New file.
+
+2018-09-04 Werner Lemberg <wl@gnu.org>
+
+ * devel/ftoption.h: Synchronize with master `ftoption.h'.
+
+2018-09-03 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [docwriter] Don't break code snippets accross lines.
+
+ Reported as
+
+ https://lists.nongnu.org/archive/html/freetype-devel/2018-08/msg00124.html
+
+ * docs/reference/markdown/stylesheets/extra.css (.md-typeset code):
+ Add rule `white-space'.
+
+2018-09-03 Werner Lemberg <wl@gnu.org>
+
+ */*: s/PSNames/psnames/.
+
+ Only tracing messages are affected.
+
+2018-09-03 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Fix heap buffer overflow in CPAL handling.
+
+ * src/sfnt/ttcpal.c (tt_face_palette_set): Fix boundary test.
+ (tt_face_load_cpal): Updated.
+
+2018-09-01 Werner Lemberg <wl@gnu.org>
+
+ Remove `FT_Outline_{New,Done}_Internal'.
+
+ These public API functions(!) were always undocumented and have
+ escaped all clean-up efforts until now.
+
+ * include/freetype/ftoutln.h (FT_Outline_New_Internal,
+ FT_Outline_Done_Internal): Removed.
+
+ * src/base/ftoutln.h (FT_Outline_New_Internal,
+ FT_Outline_Done_Internal): Merge into...
+ (FT_Outline_New, FT_Outline_Done): ... these functions.
+
+ * docs/README: Updated.
+
+2018-08-30 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Check glyph format.
+
+2018-08-31 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ [errors] Refine the macro logic surrounding `FT_Error_String'.
+
+ * include/freetype/fterrors.h (FT_INCLUDE_ERR_PROTOS,
+ FT_ERR_PROTOS_DEFINED): Undefine `FT_INCLUDE_ERR_PROTOS' after
+ checking it and introduce a new macro that takes proper care of
+ multiple-inclusion protection.
+
+2018-08-31 Werner Lemberg <wl@gnu.org>
+
+ * src/base/ftdebug.c (FT_Throw): Restore missing `FT_UNUSED' calls.
+
+2018-08-31 Werner Lemberg <wl@gnu.org>
+
+ * src/base/ftdebug.c (FT_Throw): Reduce chattiness.
+
+2018-08-31 Werner Lemberg <wl@gnu.org>
+
+ * src/autofit/afhints.c (af_glyph_hints_reload): Add initialization.
+
+2018-08-30 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ Consolidate bitmap presetting and size assessment.
+
+ * include/freetype/internal/ftobjs.h (ft_glyphslot_preset_bitmap):
+ Change return type.
+ * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Return the bitmap
+ size assessment.
+
+ * src/raster/ftrend1.c (ft_raster1_render): Use it to refuse the
+ rendering of enourmous or far-fetched outlines.
+ * src/smooth/ftsmooth.c (ft_smooth_render_generic): Ditto.
+
+2018-08-30 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Correct mono.
+
+2018-08-30 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ [errors] Introduce a macro to control `FT_Error_String'.
+
+ * devel/ftoption.h (FT_CONFIG_OPTION_ERROR_STRINGS),
+ include/freetype/config/ftoption.h (FT_CONFIG_OPTION_ERROR_STRINGS):
+ New macro.
+
+2018-08-30 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ [errors] Introduce `FT_Error_String'.
+
+ * include/freetype/fterrors.h (FT_Error_String),
+ src/base/fterrors.c (FT_Error_String): Implement `FT_Error_String'.
+
+ * src/base/ftbase.c, src/base/Jamfile (_source),
+ src/base/rules.mk (BASE_SRC): Add `fterrors.c' to the build logic.
+
+ * src/base/ftdebug.c (FT_Throw): Use `FT_Error_String'.
+
+2018-08-30 Werner Lemberg <wl@gnu.org>
+
+ [autofit] Trace `before' and `after' edges of strong points.
+
+ * src/autofit/afhints.h (AF_PointRec) [FT_DEBUG_AUTOFIT]: New arrays
+ `before' and `after'.
+
+ * src/autofit/afhints.c (af_get_strong_edge_index): New auxiliary
+ function.
+ (af_glyph_hints_dump_points): Trace `before' and `after' edges.
+ (af_glyph_hints_align_strong_points) [FT_DEBUG_AUTOFIT]: Set
+ `before' and `after' information.
+
+2018-08-30 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [base] Overflow-resistant bitmap presetting.
+
+ * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Implement it.
+
+2018-08-29 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ Fix numeric overflows.
+
+ * src/pshint/pshalgo.c (psh_hint_align, psh_hint_align_light,
+ psh_hint_table_find_strong_points): Fix numeric overflows.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10083
+
+2018-08-29 Werner Lemberg <wl@gnu.org>
+
+ [cff] Fix handling of `roll' op in old engine.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10080
+
+ * src/psaux/cffdecode.c (cff_decoder_parse_charstrings) <cff_op_roll>
+ [CFF_CONFIG_OPTION_OLD_ENGINE]: Use modulo for loop count, as
+ documented in the specification.
+
+2018-08-26 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttobjs.c (tt_size_read_bytecode): Trace CVT values.
+
+2018-08-26 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ * configure: Copy assets required by docwriter.
+
+ Copy directory `docs/reference/markdown' when FreeType is compiled in a
+ different directory.
+
+ Fixes `make refdoc' if builddir != srcdir.
+
+ Reported as
+
+ https://lists.nongnu.org/archive/html/freetype-devel/2018-08/msg00083.html
+
+2018-08-26 Werner Lemberg <wl@gnu.org>
+
+ * src/pshint/pshalgo.c (psh_hint_overlap): Fix numeric overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10057
+
+2018-08-26 Werner Lemberg <wl@gnu.org>
+
+ Minor tracing adjustments.
+
+ * src/base/ftstream.c (FT_Stream_EnterFrame, FT_Stream_ExitFrame):
+ Trace.
+
+ * src/truetype/ttgload.c (TT_Access_Glyph_Frame): Remove tracing.
+
+2018-08-26 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Avoid nested frames.
+
+ Triggered by
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10054
+
+ * src/truetype/ttgload.c (load_truetype_glyph): Don't use variable
+ `opened_frame' to trace whether a frame must be closed at the end of
+ function: This fails because `TT_Vary_Apply_Glyph_Deltas' (which
+ gets called for space glyphs) uses a frame by itself. Instead,
+ close the frame after loading the header, then use another frame for
+ the remaining part of the glyph later on.
+
+ Also avoid calling `tt_get_metrics' twice under some circumstances.
+
+2018-08-26 Werner Lemberg <wl@gnu.org>
+
+ Various minor clean-ups.
+
+ * src/base/ftapi.c: Remove. Unused.
+ * src/base/Jamfile (_sources): Updated.
+
+ * src/base/ftstream.c (FT_Stream_ReleaseFrame): Remove redundant
+ code.
+
+2018-08-25 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ Convert documentation markup to Markdown.
+
+ It is the result of a GSoC 2018 project; this separate ChangeLog
+ commit covers the last four commits
+
+ ae5d1a4cec37557f31aec270332cfe886a62f9a0
+ 53c69ce04faed3dcc68ca0f54cb8d703d8babf69
+ 195728d5ba38f34fb2c2c20807c01656f2f59b66
+ c962db28ea59225f0105c03d907d4a9b71765687
+
+ * docs/reference/markdown/images/favico.ico,
+ docs/reference/markdown/javascripts/extra.js,
+ docs/reference/markdown/stylesheets/extra.css: New files.
+
+ * docs/reference/.gitignore, docs/reference/README: Updated.
+
+ * src/tools/docmaker/*: Removed. It has been replaced with
+ `docwriter', a python package available at
+
+ https://pypi.org/project/docwriter/
+
+ * Jamfile: Updated.
+ * builds/ansi/ansi-def.mk, builds/beos/beos-def.mk,
+ builds/dos/dos-def.mk, builds/os2/os2-def.mk (BIN),
+ builds/unix/unixddef.mk, builds/windows/win32-def.mk: New variable.
+
+ * builds/unix/configure.raw: Check for `python' and `pip'.
+ If not present, warn that `make refdoc' will fail.
+ * builds/unix/unix-def.in (PYTHON, PIP, BIN): New variables.
+
+ * builds/freetype.mk (PYTHON, PIP, VENV_NAME, VENV_DIR, ENV_PYTHON,
+ ENV_PIP): New variables.
+ (refdoc): Updated.
+ (refdoc-venv): New target.
+ (.PHONY): Updated.
+
+2018-08-23 Werner Lemberg <wl@gnu.org>
+
+ Add macros for handling over-/underflowing `FT_Int64' values.
+
+ * include/freetype/internal/ftcalc.h (ADD_INT64, SUB_INT64,
+ MUL_INT64, DIV_INT64) [FT_LONG64]: New macros.
+
+ * src/base/ftcalc.c (ft_corner_orientation) [FT_LONG64]: Use
+ `SUB_INT64' and `MUL_INT64'.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10028
+
+2018-08-22 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Improve legibility of `glyf' parsing.
+
+ * src/truetype/ttgload.c (ON_CURVE_POINT, X_SHORT_VECTOR,
+ Y_SHORT_VECTOR, REPEAT_FLAG, X_POSITIVE, SAME_X, Y_POSITIVE, SAME_Y,
+ OVERLAP_SIMPLE): New macros.
+ (TT_Load_Simple_Glyph): Use new macros to make code more readable.
+ Remove useless adjustment of `outline->tags' elements.
+
+2018-08-21 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/ttcpal.c (tt_face_load_cpal): Add missing safety check.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9981
+
+2018-08-18 Werner Lemberg <wl@gnu.org>
+
+ [psaux] Avoid slow PS font parsing in case of error.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9955
+
+ * src/psaux/psobjs.c (ps_parser_to_bytes): Set `parser->cursor' even
+ in case of error to avoid potential re-scanning.
+
+2018-08-18 Werner Lemberg <wl@gnu.org>
+
+ [cff] Fix heap buffer overflow in old engine.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9967
+
+ * src/psaux/cffdecode.c (cff_decoder_parse_charstrings)
+ <cff_op_blend> [CFF_CONFIG_OPTION_OLD_ENGINE]: `num_designs' must be
+ non-zero.
+
+2018-08-16 Young Xiao <yangx92@hotmail.com>
+
+ * builds/mac/ftmac.c (parse_fond): Fix buffer overrun.
+
+ Reported as bug #54515, duplicate of #43540.
+
+2018-08-16 Werner Lemberg <wl@gnu.org>
+
+ * builds/*/ftsystem.c (FT_COMPONENT): Updated also.
+
+2018-08-15 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [bdf] Don't track duplicate encodings.
+
+ There is no harm except some umbiguity in broken fonts with duplicate
+ encodings.
+
+ * src/bdf/bdflib.c (_bdf_parse_glyphs): Remove duplicate tracking.
+ (_bdf_parse_t): Remove large `have' bitfield.
+
+2018-08-15 Werner Lemberg <wl@gnu.org>
+
+ Don't use `trace_' prefix for FT_COMPONENT arguments.
+
+ * include/freetype/internal/ftdebug.h (FT_TRACE_COMP,
+ FT_TRACE_COMP_): New auxiliary macros to add `trace_' prefix.
+ (FT_TRACE): Use `FT_TRACE_COMP'.
+
+ */* (FT_COMPONENT): Updated.
+
+2018-08-14 Werner Lemberg <wl@gnu.org>
+
+ Use formatting string in FT_TRACEX calls for non-simple arguments.
+
+ * src/psaux/cffdecode.c (cff_decoder_parse_charstrings)
+ <cff_op_hstem, cff_op_hintmask, cff_op_hlineto, cff_op_vhcurveto>:
+ Do it.
+
+ * src/psaux/pshints.c (cf2_hintmap_build): Ditto.
+
+ * src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_cmdHSTEM,
+ cf2_cmdVSTEM, cf2_cmdHLINETO, cf2_cmdRRCURVETO, cf2_cmdCALLSUBR,
+ cf2_escHSTEM3, cf2_cmdHINTMASK, cf2_cmdHVCURVETO>: Ditto.
+
+ * src/truetype/ttinterp.c (TT_RunIns): Ditto.
+
+2018-08-14 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [bdf] Remove unused fields.
+
+ * src/bdf/bdf.h (bdf_font_t): Remove `nmod', `umod', and `modified',
+ which were set but never used.
+ * src/bdf/bdflib.c (_bdf_parse_{glyphs,properties}, bdf_load_font):
+ Updated accordingly.
+
+2018-08-14 Werner Lemberg <wl@gnu.org>
+
+ [cff] Fix another segv in old engine.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9872
+
+ * src/psaux/cffdecode.c (cff_decoder_parse_charstrings)
+ [CFF_CONFIG_OPTION_OLD_ENGINE]: Disallow invalid T1 opcodes in
+ dictionaries.
+
+2018-08-14 Werner Lemberg <wl@gnu.org>
+
+ [cff] Fix missing error handling.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9865
+
+ * src/psaux/cffparse.c (cff_parser_run)
+ [CFF_CONFIG_OPTION_OLD_ENGINE]: Don't ignore return value of
+ `parse_charstrings_old'.
+
+2018-08-14 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [bdf] Remove unused overflow storage.
+
+ * src/bdf/bdf.h (bdf_glyphlist_t): Remove this type.
+ (bdf_font_t): Remove `overflow' field.
+ * src/bdf/bdflib.c (bdf_free_font): Remove `overflow' freeing.
+
+2018-08-14 Werner Lemberg <wl@gnu.org>
+
+ [cff] Fix segv in old engine.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9864
+
+ * src/psaux/cffdecode.c (cff_decoder_parse_charstrings)
+ <cff_op_random> [CFF_CONFIG_OPTION_OLD_ENGINE]: Use top dict's
+ `random' field directly if parsing dictionaries.
+
+2018-08-13 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [bdf] Use unsigned types.
+
+ * src/bdf/bdf.h (bdf_glyph_t): Unsign `encoding'.
+ (bdf_font_t): Unsign `default_char'.
+ * src/bdf/bdfdrivr.h (BDF_encoding_el): Unsign `enc'.
+
+ * src/bdf/bdflib.c (_bdf_add_property, _bdf_parse_glyphs,
+ _bdf_parse_start): Updated accordingly.
+ * src/bdf/bdfdrivr.c (bdf_cmap_char_{index,next}): Ditto.
+
+2018-08-13 Werner Lemberg <wl@gnu.org>
+
+ * src/type42/t42parse.c (t42_parse_sfnts): One more format check.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9832
+
+2018-08-11 Werner Lemberg <wl@gnu.org>
+
+ * src/base/ftcalc.c (FT_Matrix_Check): Fix integer overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9811
+
+2018-08-10 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/sfnt/ttsbit.c (tt_sbit_decoder_load_compound): Follow specs.
+
+2018-08-10 Ben Wagner <bungeman@google.com>
+
+ * src/sfnt/sfobjs.c (sfnt_done_face): Fix memory leak (#54435).
+
+2018-08-10 Werner Lemberg <wl@gnu.org>
+
+ * src/base/ftobjs.c (FT_Render_Glyph_Internal): Improve tracing.
+
+2018-08-10 Werner Lemberg <wl@gnu.org>
+
+ Fix clang warnings.
+
+ * src/base/ftdebug.c (ft_trace_level_enabled,
+ ft_trace_level_disabled): Add `static' keyword.
+
+2018-08-09 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [raster, smooth] Reinstate bitmap size limits.
+
+ This again moves outline and bitmap size checks one level up.
+
+ * src/base/ftoutln.c (FT_Outline_Render): Explicitly reject enormous
+ outlines.
+ * src/raster/ftrend1.c (ft_raster1_render): Reject enormous bitmaps
+ and, therefore, outlines that require them.
+ * src/smooth/ftsmooth.c (ft_smooth_render_generic): Ditto.
+
+ * src/raster/ftraster.c (ft_black_render): Remove outline size checks.
+ * src/smooth/ftgrays.c (gray_raster_render): Ditto.
+ [STANDALONE]: Remove `FT_Outline_Get_CBox' copy.
+
+2018-08-08 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [pcf] Revert massive unsigning.
+
+2018-08-08 Werner Lemberg <wl@gnu.org>
+
+ [smooth] Improve tracing.
+
+ * src/smooth/ftgrays.c (gray_convert_glyph_inner): Only use tracing
+ if called the first time.
+ (gray_convert_glyph): Updated.
+
+2018-08-08 Werner Lemberg <wl@gnu.org>
+
+ Add internal functions `FT_Trace_Disable' and `FT_Trace_Enable'.
+
+ It sometimes makes sense to suppress tracing informations, for
+ example, if it outputs identical messages again and again.
+
+ * include/freetype/internal/ftdebug.h: Make `ft_trace_levels' a
+ pointer.
+ (FT_Trace_Disable, FT_Trace_Enable): New declarations.
+
+ * src/base/ftdebug.c (ft_trace_levels): Rename to...
+ (ft_trace_levels_enabled): ... this.
+ (ft_trace_levels_disabled): New array.
+ (ft_trace_levels): New pointer.
+ (FT_Trace_Disable, FT_Trace_Enable): Implement.
+ (ft_debug_init): Updated.
+
+2018-08-08 Werner Lemberg <wl@gnu.org>
+
+ Debugging improvements.
+
+ * src/base/ftobjs.c (pixel_modes): Move this array to top level
+ from ...
+ (FT_Load_Glyph): ... here.
+ (FT_Render_Glyph_Internal): Use `width' x `height' in trace message.
+ Use `pixel_modes'.
+
+2018-08-08 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [pcf] Massive unsigning (part 2).
+
+ Treat all size related properties as unsigned values.
+
+ * src/pcf/pcf.h (PCF_ParsePropertyRec): Use unsigned `name' and
+ `value'.
+ * src/pcf/pcfread.c (pcf_get_properties, pcf_load_font): Updated
+ parsing code and handling of AVERAGE_WIDTH, POINT_SIZE, PIXEL_SIZE,
+ RESOLUTION_X and RESOLUTION_Y.
+
+2018-08-08 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [pcf] Massive unsigning (part 1).
+
+ Unofficial specifications hesitate to use unsigned 32-bit integers.
+ Negative values caused a lot of trouble in the past and it is safer
+ and easier to treat some properties as unsigned.
+
+ * src/pcf/pcf.h (PCF_AccelRec): Use unsigned values for `fontAscent',
+ `fontDescent', and `maxOverlap'.
+ * src/pcf/pcfread.c (pcf_load_font, pcf_get_accel): Updated.
+ * src/pcf/pcfdrivr.c (PCF_Glyph_Load, PCF_Size_Select,
+ PCF_Size_Request): Updated.
+
+2018-08-07 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/pcf/pcfread.c (pcf_get_bitmaps): Unsign `offsets' and
+ `bitmapSizes'.
+
+2018-08-06 Werner Lemberg <wl@gnu.org>
+
+ * devel/ftoption.h: Synchronize with main `ftoption.h'.
+
+2018-08-06 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [pcf] Use unsigned types.
+
+ * src/pcf/pcf.h (PCF_Encoding): Use unsigned `enc'.
+ * src/pcf/pcfdrivr.c (pcf_cmap_char_{index,next}): Ditto.
+ * src/pcf/pcfread.c (pcf_get_encodings): Use unsigned types.
+
+2018-08-05 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttgload.c (compute_glyph_metrics): Fix overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/chromium/issues/detail?id=777151
+
+2018-08-04 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttinterp.c (opcode_name): Fix typos.
+
+2018-08-04 Werner Lemberg <wl@gnu.org>
+
+ Fix clang warnings.
+
+ * src/base/ftoutln.c (FT_Outline_EmboldenXY): Fix type of
+ `orientation'.
+
+ * src/gxvalid/gxvcommn.c (gx_lookup_value_read): Fix signature.
+
+ * src/pcf/pcfread.c (pcf_get_encodings): Fix type of some variables.
+ Add cast.
+
+ * src/type1/t1load.c (parse_weight_vector): Fix cast.
+
+2018-07-31 Werner Lemberg <wl@gnu.org>
+
+ * src/cid/cidtoken.h: Handle `XUID' keyword.
+
+2018-07-31 Werner Lemberg <wl@gnu.org>
+
+ [cid] Trace PostScript dictionaries.
+
+ * src/cid/cidload.c: Include FT_INTERNAL_POSTSCRIPT_AUX_H.
+ (cid_load_keyword, cid_parse_font_matrix, parse_fd_array,
+ parse_expansion_factor, cid_parse_dict): Add tracing calls.
+ (parse_font_name): New function to trace `/FontName' keywords in
+ /FDArray dict.
+ (cid_field_records): Register `parse_font_name'.
+
+2018-07-30 Werner Lemberg <wl@gnu.org>
+
+ [cff] Fix typo.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9409
+
+ * src/cff/cffdrivr.c (cff_get_cid_from_glyph_index): Fix boundary
+ check.
+
+2018-07-29 Werner Lemberg <wl@gnu.org>
+
+ * src/pcf/pcfread.c (pcf_get_encodings): Another thinko.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9608
+
+2018-07-28 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Fix Harmony memory management.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9501
+
+ * src/smooth/ftgrays.c (ft_smooth_render_generic): Restore buffer
+ after each rendering in case of failure.
+
+2018-07-28 Werner Lemberg <wl@gnu.org>
+
+ [type1] Avoid segfaults with `FT_Get_PS_Font_Value'.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9610
+
+ * src/type1/t1driver.c (t1_ps_get_font_value): Protect against NULL.
+
+2018-07-27 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Make `TT_Set_MM_Blend' idempotent (#54388).
+
+ * src/truetype/ttgxvar.c (tt_set_mm_blend): Correctly set
+ `face->doblend' if the current call to the function yields the same
+ blend coordinates as the previous call.
+
+2018-07-27 Werner Lemberg <wl@gnu.org>
+
+ [psaux, type1]: More tracing improvements.
+
+ * src/psaux/psintrp.c (cf2_interpT2CharString): Trace skipped
+ outline commands.
+
+ * src/psaux/t1decode.c (t1_decoder_parse_charstring): Fix
+ missing case.
+ (t1_decoder_parse_metrics): Make tracing output more compact.
+
+ * src/type1/t1gload.c (T1_Compute_Max_Advance): Be less verbose.
+ (T1_Get_Advances): Add tracing.
+
+2018-07-25 Werner Lemberg <wl@gnu.org>
+
+ [psaux, type1] Trace PostScript dictionaries and other things.
+
+ The tracing of /Encoding, /Subrs, and /Charstrings is rudimentary
+ right now.
+
+ * src/psaux/psobjs.c (ps_parser_load_field,
+ ps_parser_load_field_table): Add tracing calls.
+
+ * src/psaux/t1decode.c (t1_decoder_parse_charstrings): Make tracing
+ output more compact.
+
+ * src/type1/t1gload.c (T1_Compute_Max_Advance, T1_Get_Advances): Add
+ tracing messages.
+
+ * src/type1/t1load.c (parse_blend_axis_types,
+ parse_blend_design_positions, parse_blend_design_map,
+ parse_weight_vector, t1_load_keyword, t1_parse_font_matrix,
+ parse_encoding, parse_subrs, parse_charstrings, T1_Open_Face): Add
+ tracing calls.
+
+ * src/type1/t1objs.c (T1_Face_Init): Add tracing call.
+
+ * src/sfnt/sfobjs.c (sfnt_init_face): Make tracing message more
+ verbose.
+
+2018-07-25 Werner Lemberg <wl@gnu.org>
+
+ Fix minor ASAN run-time warnings.
+
+ * src/base/ftutil.c (ft_mem_alloc, ft_mem_realloc): Only call
+ `FT_MEM_ZERO' if we actually have a buffer.
+ (ft_mem_dup): Only call `ft_memcpy' if we actually have a buffer.
+
+2018-07-24 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [build] Fortify dllexport/dllimport attributes (#53969,#54330).
+
+ We no longer use predefined _DLL, which can be defined for static
+ builds too with /MD. We use DLL_EXPORT and DLL_IMPORT instead,
+ following libtool convention.
+
+ * CMakeLists.txt [WIN32], builds/windows/vc2010/freetype.vcxproj:
+ Define DLL_EXPORT manually.
+
+ * include/freetype/config/ftconfig.h, builds/unix/ftconfig.in,
+ builds/vms/ftconfig.h, builds/windows/vc2010/index.html,
+ src/base/ftver.rc: /_DLL/d, s/FT2_DLLIMPORT/DLL_IMPORT/.
+
+2018-07-24 Werner Lemberg <wl@gnu.org>
+
+ [type1] Check relationship between number of axes and designs.
+
+ For Multiple Masters fonts we don't support intermediate designs;
+ this implies that
+
+ number_of_designs == 2 ^^ number_of_axes
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9557
+
+ * src/type1/t1load.c (T1_Open_Face): Ensure above constraint.
+ (T1_Get_MM_Var): Remove now redundant test.
+
+2018-07-24 Hin-Tak Leung <htl10@users.sourceforge.net>
+
+ [truetype] Match ttdebug's naming of instruction mnemonics.
+
+ * src/truetype/ttinterp.c: The form used in ttdebug,
+ "MDRP[G,B,W,?]", etc., is slightly more readable than
+ "MDRP[00,01,02,03]".
+
+2018-07-24 Werner Lemberg <wl@gnu.org>
+
+ * src/pcf/pcfread.c (pcf_get_encodings): Thinko.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9561
+
+2018-07-22 Werner Lemberg <wl@gnu.org>
+
+ * src/pcf/pcfread.c (pcf_get_encodings): Check index of defaultChar.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9527
+
+2018-07-22 Werner Lemberg <wl@gnu.org>
+
+ * src/pcf/pcfread.c (pcf_load_font): Fix number of glyphs.
+
+ This is an oversight of the module change 2018-07-21.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9524
+
+2018-07-22 Werner Lemberg <wl@gnu.org>
+
+ [cid] Sanitize `BlueShift' and `BlueFuzz'.
+
+ This code is taken from the type1 module.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9510
+
+ * src/cid/cidload.c (parse_fd_array): Set some private dict default
+ values.
+ (cid_face_open): Do the sanitizing.
+ Fix some tracing messages.
+
+2018-07-21 Werner Lemberg <wl@gnu.org>
+
+ [pcf] Fix handling of the undefined glyph.
+
+ This change makes the driver use the `defaultChar' property of PCF
+ files.
+
+ * src/pcf/pcf.h (PCF_FaceRec): Change type of `defaultChar' to
+ unsigned.
+
+ * src/pcf/pcfread.c (pcf_get_encodings): Read `defaultChar' as
+ unsigned.
+ Validate `defaultChar'.
+ If `defaultChar' doesn't point to glyph index zero, swap glyphs with
+ index zero and index `defaultChar' and adjust the encodings
+ accordingly.
+
+ * src/pcf/pcfdrivr.c (pcf_cmap_char_index, pcf_cmap_char_next,
+ PCF_Glyph_Load): Undo change from 2002-06-16 which always enforced
+ the first character in the font to be the default character.
+
+2018-07-20 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ Move the legacy fuzz target to the `freetype-testing' repository.
+
+ It can now be found at
+
+ https://github.com/freetype/freetype2-testing/tree/master/fuzzing/src/legacy
+
+ * src/tools/ftfuzzer: Remove this folder and its contents from the
+ repository.
+
+2018-07-20 Werner Lemberg <wl@gnu.org>
+
+ [cff] Avoid left-shift of negative numbers (#54322).
+
+ * src/cff/cffgload.c (cff_slot_load): Use multiplication.
+
+2018-07-17 Werner Lemberg <wl@gnu.org>
+
+ Allow FT_ENCODING_NONE for `FT_Select_Charmap'.
+
+ This is a valid encoding tag for BDF, PCF, and Windows FNT, and
+ there is no reason to disallow it for these formats.
+
+ * src/base/ftobjs.c (FT_Select_Charmap): Implement it.
+
+2018-07-17 Werner Lemberg <wl@gnu.org>
+
+ * src/pcf/pcfread.c (pcf_get_encodings): Trace `defaultChar'.
+
+2018-07-16 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ * include/freetype/internal/ftcalc.h: Add macros for handling
+ harmless over-/underflowing `FT_Int' values.
+
+ * src/sfnt/sfdriver.c (fixed2float): Fix negation of
+ `(int)(-2147483648)'.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9423
+
+2018-07-16 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttgxvar.c (tt_set_mm_blend): Fix off-by-one error.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9412
+
+2018-07-12 Werner Lemberg <wl@gnu.org>
+
+ * src/base/ftoutln.c (FT_Outline_Get_Orientation): Init `cbox'.
+
+ Taken from patch #9667, written by Steve Langasek
+ <vorlon@debian.org>.
+
+ This fixes a build failure (most probably a bug in gcc) on ppc64el
+ when building with -O3.
+
+2018-07-05 Werner Lemberg <wl@gnu.org>
+
+ Fix typo (#54238).
+
+ * src/base/ftcolor.c (FT_Palette_Set_Foreground_Color)
+ [!TT_CONFIG_OPTION_COLOR_LAYERS]: Add return value.
+
+2018-07-05 Werner Lemberg <wl@gnu.org>
+
+ Adjust table size comparisons (#54242).
+
+ * src/sfnt/ttcpal.c (tt_face_load_cpal): Implement it.
+
+2018-07-05 Werner Lemberg <wl@gnu.org>
+
+ Fix more 32bit issues (#54208).
+
+ * src/cff/cffload.c (cff_blend_build_vector): Convert assertion into
+ run-time error.
+
+ * src/truetype/ttgxvar.c (ft_var_to_normalized): Protect against
+ numeric overflow.
+
+2018-07-04 Werner Lemberg <wl@gnu.org>
+
+ Fix 32bit build warnings (#54239).
+
+ * src/base/ftbitmap.c (FT_Bitmap_Blend): Add casts to avoid signed
+ vs. unsigned comparisons.
+
+ * srb/sfnt/ttcolr.c (tt_face_get_colr_layer): Ditto.
+
+2018-07-02 Jeff Carey <Jeff.Carey@monotype.com>
+
+ * src/psnames/psmodule.c (ps_unicodes_init): Fix alloc debugging.
+
+2018-07-02 Werner Lemberg <wl@gnu.org>
+
+ s/palette_types/palette_flags/.
+
+ Suggested by Behdad.
+
+2018-07-02 Werner Lemberg <wl@gnu.org>
+
+ Make `FT_Get_Color_Glyph_Layer' return FT_Bool.
+
+ * include/freetype/freetype.h, src/base/ftobjs.c
+ (FT_Get_Color_Glyph_Layer, FT_Render_Glyph_Internal): Updated.
+
+ * include/freetype/internal/sfnt.h (TT_Get_Colr_Layer_Func),
+ src/sfnt/ttcolr.h, src/sfnt/ttcolr.c (tt_face_get_colr_layer):
+ Updated.
+
+2018-07-01 Werner Lemberg <wl@gnu.org>
+
+ * src/base/ftobjs.c (FT_Get_Color_Glyph_Layer): Guard SFNT function.
+
+ Reported by Behdad.
+
+2018-06-28 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/base/fttrigon.c (FT_Tan): Improve accuracy.
+ (FT_Vector_Rotate): Simplify.
+
+2018-06-28 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * src/base/ftobjs.c (FT_Set_Charmap): Robustify.
+
+2018-06-25 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Fix memory leak.
+
+ * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Add initializers.
+ Fix typo in `goto' destination.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9071
+
+2018-06-25 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttgxvar.c (tt_face_vary_cvt): Add initializers.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9070
+
+2018-06-24 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Increase precision while applying VF deltas.
+
+ It turned out that we incorrectly round CVT and glyph point deltas
+ before accumulation, leading to severe positioning errors if there
+ are many delta values to sum up.
+
+ Problem reported by Akiem Helmling <akiem@underware.nl> and analyzed
+ by Behdad.
+
+ * src/truetype/ttgxvar.c (ft_var_readpackeddelta): Return deltas in
+ 16.16 format.
+ (tt_face_var_cvt): Collect deltas in `cvt_deltas', which is a 16.16
+ format array, and add the accumulated values to the CVT at the end
+ of the function.
+ (TT_Vary_Apply_Glyph_Deltas): Store data in `points_org' and
+ `points_out' in 16.16 format.
+ Collect deltas in `point_deltas_x' and `point_deltas_y', which are
+ 16.16 format arrays, and add the accumulated values to the glyph
+ coordinates at the end of the function.
+
+2018-06-24 Werner Lemberg <wl@gnu.org>
+
+ New base function `FT_Matrix_Check' (#54019).
+
+ * src/base/ftcalc.c (FT_Matrix_Check): New base function to properly
+ reject degenerate font matrices.
+
+ * include/freetype/internal/ftcalc.h: Updated.
+
+ * src/cff/cffparse.c (cff_parse_font_matrix), src/cid/cidload.c
+ (cid_parse_font_matrix), src/type1/t1load.c (t1_parse_font_matrix),
+ src/type42/t42parse.c (t42_parse_font_matrix): Use
+ `FT_Matrix_Check'.
+
+2018-06-23 Werner Lemberg <wl@gnu.org>
+
+ Fix typo.
+
+ Reported by Behdad.
+
+ * src/base/ftcolor.c (FT_Palette_Data_Get)
+ [!TT_CONFIG_OPTION_COLOR_LAYERS]: s/apalette/apalette_data/.
+
+2018-06-21 Werner Lemberg <wl@gnu.org>
+
+ s/FT_PALETTE_USABLE_WITH_/FT_PALETTE_FOR_/.
+
+ * include/freetype/ftcolor.h, include/freetype/internal/sfnt.h,
+ src/sfnt/ttcolr.c: Do it.
+
+2018-06-19 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Fix CPAL heap buffer overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8968
+
+ * src/sfnt/ttcpal.c (tt_face_load_cpal): Guard CPAL version 1
+ offsets.
+
+2018-06-19 Werner Lemberg <wl@gnu.org>
+
+ Doh. Don't use CPAL or COLR data if tables are missing.
+
+ Reported by Alexei.
+
+ * src/sfnt/ttcolr.c (tt_face_get_colr_layer): Return immediately if
+ `colr' is NULL.
+
+ * src/sfnt/ttcpal.c (tt_face_palette_set): Return immediately, if
+ `cpal' is NULL.
+
+2018-06-17 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [base] Introduce `FT_New_Glyph'.
+
+ This function facilitates access to full capabilities of FreeType
+ rendering engine for custom glyphs. This can be quite useful for
+ consistent rendering of mathematical and chemical formulas, e.g.
+
+ https://bugs.chromium.org/p/chromium/issues/detail?id=757078
+
+ * include/freetype/ftglyph.h, src/base/ftglyph.c (FT_New_Glyph): New
+ function.
+
+2018-06-17 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ [bdf] Fix underflow of an unsigned value.
+
+ bdflib.c:1562 could be reached with `font->glyphs_used == 0'. That
+ caused an underflow of the unsigned value which results in undefined
+ behaviour.
+
+ * src/bdf/bdflib.c (_bdf_parse_glyphs): Bail out earlier than before
+ if the `ENCODING' keyword cannot be found.
+
+2018-06-17 Werner Lemberg <wl@gnu.org>
+
+ [base] Add tracing for `FT_Bitmap_Blend'.
+
+ * include/freetype/internal/fttrace.h (trace_bitmap): New
+ enumeration.
+
+ * src/base/ftbitmap.c (FT_COMPONENT): Define.
+ (FT_Bitmap_Blend): Add `FT_TRACE5' calls.
+
+2018-06-17 Werner Lemberg <wl@gnu.org>
+
+ s/trace_bitmap/trace_checksum/.
+
+ * include/freetype/internal/fttrace.h: s/bitmap/checksum/.
+
+ * src/base/ftobjs.c (FT_COMPONENT): s/trace_bitmap/trace_checksum/.
+ Adjust code.
+
+2018-06-16 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Fix color glyph layer loading.
+
+ * src/sfnt/ttcolr.c (Colr): Add `table_size' field.
+ (tt_face_load_colr): Set it.
+ (tt_face_get_colr_layer): Check pointer limit for layer entries.
+
+2018-06-16 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Fix color palette loading.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8933
+
+ * src/sfnt/ttcpal.c (Cpal): Add `table_size' field.
+ (tt_face_load_cpal): Set it.
+ (tt_face_palette_set): Check pointer limit for color entries.
+
+2018-06-16 Werner Lemberg <wl@gnu.org>
+
+ * src/base/ftbitmap.c (FT_Bitmap_Blend): Avoid integer overflow.
+
+2018-06-16 Werner Lemberg <wl@gnu.org>
+
+ Add `FT_Bitmap_Blend' API.
+
+ Still missing: Support for negative bitmap pitch and subpixel offset
+ of source bitmap.
+
+ * include/freetype/ftbitmap.h, src/base/ftbitmap.c
+ (FT_Bitmap_Blend): New function.
+
+2018-06-14 Werner Lemberg <wl@gnu.org>
+
+ Replace `FT_Get_GlyphLayers' with `FT_Get_Color_Glyph_Layer'.
+
+ This avoids any additional allocation of COLR related structures in
+ a glyph slot.
+
+ * include/freetype/freetype.h (FT_Glyph_Layer, FT_Glyph_LayerRec,
+ FT_Get_GlyphLayers): Removed.
+
+ * include/freetype/internal/ftobjs.h (FT_Colr_InternalRec): Removed.
+ (FT_Slot_InternalRec): Remove `color_layers'.
+
+ * include/freetype/internal/sfnt.h (TT_Load_Colr_Layer_Func):
+ Removed.
+ (SFNT_Interface, FT_DEFINE_SFNT_INTERFACE): Remove
+ `load_colr_layer'.
+
+ * src/base/ftobjs.c (ft_glyph_slot_done): Updated.
+ (FT_Render_Glyph_Internal): Use `FT_Get_Color_Glyph_Layer'.
+ (FT_Get_GlyphLayers): Removed.
+
+ * src/sfnt/sfdriver.c (sfnt_interface): Updated.
+
+ * src/sfnt/ttcolr.c (tt_face_load_colr_layers): Removed.
+ * src/sfnt/ttcolr.h: Updated.
+
+ * src/truetype/ttgload.c (TT_Load_Glyph): Updated.
+
+2018-06-14 Werner Lemberg <wl@gnu.org>
+
+ Provide iterative API to access `COLR' data.
+
+ This solution doesn't store any data in an `FT_GlyphSlot' object.
+
+ * include/freetype/freetype.h (FT_LayerIterator): New structure.
+ (FT_Get_Color_Glyph_Layer): New function.
+
+ * include/freetype/internal/sfnt.h (TT_Get_Colr_Layer_Func): New
+ function type.
+ (SFNT_Interface, FT_DEFINE_SFNT_INTERFACE): Add it.
+
+ * src/base/ftobjs.c (FT_Get_Color_Glyph_Layer): Implement it.
+
+ * src/sfnt/ttcolr.c (tt_face_get_colr_layer): New function.
+ * src/sfnt/ttcolr.h: Updated.
+
+ * src/sfnt/sfdriver.c (sfnt_interface): Updated.
+
+2018-06-14 Werner Lemberg <wl@gnu.org>
+
+ Add glyph index and glyph load flags to glyph slot.
+
+ * include/freetype/freetype.h (FT_GlyphSlotRec): Rename unused
+ `reserved' field to `glyph_index'.
+
+ * include/freetype/internal/ftobjs.h (FT_Slot_InternalRec): Add
+ `load_flags' field.
+
+ * src/base/ftobjs.c (FT_Load_Glyph): Set new fields.
+
+2018-06-14 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Move `CPAL' stuff into separate files.
+
+ * src/sfnt/sfdriver.c: Include `ttcpal.h'.
+ * src/sfnt/sfnt.c: Include `ttcpal.c'.
+
+ * src/sfnt/ttcolr.c, src/sfnt/ttcolr.h: Move CPAL stuff to ...
+ * src/sfnt/ttcpal.c, src/sfnt/ttcpal.c: ... these new files.
+
+ * src/sfnt/Jamfile (_sources), src/sfnt/rules.mk (SFNT_DRV_SRC):
+ Updated.
+
+ * include/freetype/internal/fttrace.h: Add support for `colr' and
+ `cpal'.
+ Sort entries.
+
+2018-06-13 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Separate `CPAL' and `COLR' table handling.
+
+ Later on we want to support the `SVG' table also, which needs `CPAL'
+ (but not `COLR').
+
+ * include/freetype/internal/sfnt.h (SFNT_Interface): Add `load_cpal'
+ and `free_cpal' fields.
+ (FT_DEFINE_SFNT_INTERFACE): Updated.
+
+ * include/freetype/internal/tttypes.h (TT_FaceRec): Replace
+ `colr_and_cpal' fields with `cpal' and `colr'.
+
+ * src/sfnt/sfdriver.c (sfnt_interface): Updated.
+
+ * src/sfnt/sfobjs.c (sfnt_load_face, sfnt_done_face): Updated.
+
+ * src/sfnt/ttcolr.c (Colr, Cpal): Add `table' field.
+ (ColrCpal): Removed.
+ (tt_face_load_colr): Split off CPAL handling into...
+ (tt_face_load_cpal): ... this new function.
+ (tt_face_free_colr): Split off CPAL handling into...
+ (tt_face_free_cpal): ... this new function.
+ (tt_face_load_colr_layers, tt_face_palette_set): Updated.
+
+ * src/sfnt/ttcolr.h: Updated.
+
+ * src/truetype/ttgload.c (TT_Load_Glyph): Updated.
+
+2018-06-12 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Fix `sizeof' thinko.
+
+ * src/sfnt/ttcolr.c (tt_face_load_colr, tt_face_palette_set): Don't
+ use `sizeof' for computing array limit.
+
+2018-06-12 Werner Lemberg <wl@gnu.org>
+
+ Finish CPAL/COLR support (4/4).
+
+ * src/sfnt/ttcolr.c (tt_face_find_color): Removed.
+ (tt_face_colr_blend_layer): Use `face->palette' instead of calling
+ `tt_face_find_color'.
+ Use and set text foreground color.
+
+2018-06-12 Werner Lemberg <wl@gnu.org>
+
+ Finish CPAL/COLR support (3/4).
+
+ * src/base/ftcolor.c: Include FT_INTERNAL_SFNT_H.
+ (FT_Palette_Select, FT_Palette_Set_Foreground_Color): Implement
+ functions.
+
+2018-06-12 Werner Lemberg <wl@gnu.org>
+
+ Finish CPAL/COLR support (2/4).
+
+ * src/sfnt/ttcolr.c (tt_face_palette_set): New function.
+ (tt_face_load_colr): Allocate `face->palette' and call
+ `tt_face_palette_set'.
+ Adjust return error code in case of error.
+
+ * src/sfnt/ttcolr.h: Updated.
+
+ * include/freetype/internal/sfnt.h (TT_Set_Palette_Func): New
+ function type.
+ (SFNT_Interface, FT_DEFINE_SFNT_INTERFACE): Add it.
+
+ * src/sfnt/sfdriver.c (sfnt_interface), src/sfnt/sfobjs.c
+ (sfnt_done_face): Updated.
+
+2018-06-12 Werner Lemberg <wl@gnu.org>
+
+ Finish CPAL/COLR support (1/4).
+
+ * include/freetype/internal/tttypes.h (TT_FaceRec): New fields
+ `palette_index', `palette', `have_foreground_color' and
+ `foreground_color'.
+
+2018-06-12 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Minor.
+
+ * src/sfnt/ttcolr.c (tt_face_load_colr_layers):
+ s/palette_index/palette_entry_index/ for consistency.
+ Adjust return error code in case of error.
+
+2018-06-11 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [raster] Clean up.
+
+ * src/raster/ftraster.c (black_TWorker, SCALED, Set_High_Precision):
+ Clean up after 5-level gray removal (8dc8635874).
+ (Vertical_Sweep_Span): Be brief.
+
+2018-06-10 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Fix compiler warnings.
+
+ * src/sfnt/ttcolr.c (tt_face_load_colr, tt_face_load_colr_layers,
+ tt_face_colr_blend_layer): Add `NULL' initializers.
+
+2018-06-10 Werner Lemberg <wl@gnu.org>
+
+ s/FT_Palette/FT_Palette_Data/, s/palette/palette_data/.
+
+ * include/freetype/ftcolor.h, include/freetype/internal/tttypes.h,
+ src/base/ftcolor.c, src/sfnt/sfobjs.c, src/sfnt/ttcolr.c: Updated.
+
+2018-06-10 Nikolaus Waxweiler <madigens@gmail.com>
+
+ CMakeLists: also accept IOS_PLATFORM=SIMULATOR64
+
+ This might be needed to build FreeType for the iOS simulator. See
+ https://savannah.nongnu.org/bugs/index.php?54048. Patch contributed
+ by Steve Robinson.
+
+ * CMakeLists.txt: Accept IOS_PLATFORM=SIMULATOR64
+
+2018-06-10 Werner Lemberg <wl@gnu.org>
+
+ Implement `FT_Palette_Get'.
+
+ * src/base/ftcolor.c: New file.
+
+ * src/base/Jamefile (_sources), src/base/rules.mk (BASE_SRC),
+ src/base/ftbase.c: Add `ftcolor.c'.
+
+2018-06-10 Werner Lemberg <wl@gnu.org>
+
+ * src/sfnt/ttcolr.c (tt_face_load_colr): Improve overflow checks.
+
+2018-06-09 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [raster] Deal with pitch sign earlier.
+
+ * src/raster/ftraster.c (black_TWorker): Remove unused `traceG',
+ s/bTarget/bOrigin/.
+ (Render_Glyph): Set `ras.bOrigin' at the bottom-left corner.
+ (Vertical_Sweep_Init, {Vertical,Horizontal}_Sweep_{Span,Drop}):
+ Updated accordingly.
+
+2018-06-09 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Read `CPAL' version 1 tables.
+
+ * include/freetype/internal.tttypes.h: Include FT_COLOR_H.
+ (TT_FaceRec): Add `palette' field.
+
+ * src/sfnt/ttcolr.c: Include FT_COLOR_H.
+ (Cpal): Remove all data covered by the new `palette' field in
+ `TT_FaceRec'.
+ (tt_face_load_colr): Updated.
+ Read `CPAL' version 1 data.
+ (tt_face_load_colr_layers, tt_face_find_color): Updated.
+
+ * src/sfnt/sfobjs.c (sfnt_done_face): Free glyph color palette data.
+
+2018-06-07 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [base] API for Harmony LCD rendering.
+
+ This introduces `FT_Library_SetLcdGeometry' for setting up arbitrary
+ LCD subpixel geometry including non-striped patterns.
+
+ * src/base/ftlcdfil.c (FT_Library_SetLcdGeometry): New function.
+ * include/freetype/ftlcdfil.h: Document it.
+ * include/freetype/freetype.h: Minor.
+ * include/freetype/ftchapters.h: Minor.
+
+2018-06-06 Werner Lemberg <wl@gnu.org>
+
+ ftcolor.h: Redesign API.
+
+ While going to implement it I noticed that I need access to most of
+ the `CPAL' elements; I thus plan to add a `cpal' field to
+ `TT_FaceRec', which makes most of the previously suggested API
+ functions obsolete because the fields will be directly accessible.
+
+2018-06-06 Parth Wazurkar <parthwazurkar@gmail.com>
+
+ [bdf, pcf] Remove deprecated FT_FACE_FLAG_FAST_GLYPHS flag.
+
+ * src/bdf/bdfdrivr.c (BDF_Face_Init): Remove deprecated
+ FT_FACE_FLAG_FAST_GLYPHS flag.
+
+ * src/pcf/pcfread.c (pcf_load_font): Remove deprecated
+ FT_FACE_FLAG_FAST_GLYPHS flag.
+
+2018-06-06 Werner Lemberg <wl@gnu.org>
+
+ [smooth, raster] Limit bitmap size (#54019).
+
+ * src/raster/ftraster.c [STANDALONE] (FT_Outline_Get_CBox): Add
+ function.
+ [!STANDALONE]: Include FT_OUTLINE_H.
+ (ft_black_render): Compute CBox and reject glyphs larger than
+ 0xFFFF x 0xFFFF.
+
+ * src/smooth/ftgrays.c (gray_raster_render): Reject glyphs larger
+ than 0xFFFF x 0xFFFF.
+
+2018-06-03 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ * src/smooth/ftgrays.c (gray_convert_glyph): Remove unused variables.
+
+2018-06-03 Werner Lemberg <wl@gnu.org>
+
+ * src/tools/glnames.py (main): Emit header in `light' comment style.
+
+2018-06-02 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Attempt to mitigate bug #54019.
+
+ The robust rendering of estra large glyphs came with unbearable cost.
+ The old way of bisecting should fail but fail faster.
+
+ * src/smooth/ftgrays.c (gray_convert_glyph): Switch back to bisecting
+ in y-direction.
+
+2018-06-02 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttinterp.c (Ins_MIRP): Use SUB_LONG; avoid FT_ABS.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8706
+
+2018-06-02 Werner Lemberg <wl@gnu.org>
+
+ * src/autofit/afwarp.h: Use AF_CONFIG_OPTION_USE_WARPER (#54033).
+
+2018-05-31 Werner Lemberg <wl@gnu.org>
+
+ * src/raster/ftraster.c (black_TWorker_): Remove `gTarget' field.
+
+ This is no longer used.
+
+2018-05-31 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Get colors from `CPAL' table in right order (#54015).
+
+ * src/sfnt/ttcolr.c (tt_face_find_color): Fix it.
+
+2018-05-30 Werner Lemberg <wl@gnu.org>
+
+ ftcolor.h: Improve API design, fix typos (#54011, #54014).
+
+ * include/freetype/ftcolor.h (FT_Palette_Get_Names): Replace with...
+ (FT_Palette_Get_Name_IDs): ... this function.
+ (FT_Palette_Get_Entry_Names): Replace with...
+ (FT_Palette_Get_Entry_Name_IDs): ... this function
+ s/FT_Palette_Set_Foreground_COlor/FT_Palette_Set_Foreground_Color/.
+
+2018-05-30 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ Beautify a3cfed5e87232c933bdc64f43e8ebebcfd18b41b.
+
+ * src/autofit/afloader.c (af_loader_load_glyph): Move the
+ initialisationand declaration of variables into the if-block.
+
+2018-05-30 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ Fix pointer underflow.
+
+ The declaration of `edge2' can be reached with `edge1 == NULL' and
+ `axis->edges == 0' which results in undefined behaviour.
+
+ * src/autofit/afloader.c (af_loader_load_glyph): Initialise `edge2'
+ after checking `axis->num_edges > 1'. `edge1 != NULL' can be assumed.
+
+2018-05-30 Werner Lemberg <wl@gnu.org>
+
+ Various minor color fixes.
+
+ * include/freetype/config/ftheader.h (FT_COLOR_H): New macro.
+
+ * include/freetype/internal/ftobjs.h (FT_Colr_Internal): Change
+ type of `load_flags' to `FT_Int32'.
+
+ * include/freetype/internal/sfnt.h (TT_Load_Colr_Layer_Func): Change
+ type of `idx' to `FT_UInt'.
+ (TT_Blend_Colr_Func): Change type of `color_index' to `FT_UInt'.
+
+ * src/base/ftobjs.c (FT_Render_Glyph_Internal): Change type of
+ `load_flags' to `FT_Int32'.
+
+ * src/sfnt/ttcolr.c (find_base_glyph_record,
+ tt_face_load_colr_layers): Change type of `glyph_id' to `FT_UInt'.
+ (tt_face_find_color, tt_face_colr_blend_layer): Change type of
+ `color_index' to `FT_UInt'.
+ Fix signedness and type issues.
+
+ * src/sfnt/ttcolr.h: Updated.
+
+2018-05-25 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>
+
+ [docmaker] Fix missing `Defined in (...)' under Windows/Cygwin.
+
+ This platform uses backslashes for paths, which docmaker didn't
+ understand correctly.
+
+ * src/tools/docmaker/tohtml.py (HtmlFormatter::blockEnter): Use
+ `os.path.normpath' to normalize the path for the platform being
+ used.
+
+2018-05-24 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [smooth] Formalize Harmony LCD rendering.
+
+ This generalizes magic outline shifts that make Harmony LCD
+ rendering work in terms of precise two-dimensional RGB subpixel
+ positions. These coordinates are now set in time of the `smooth'
+ module initialization and later used to shift a glyph outline for
+ rendering. FT_RENDER_MODE_LCD and FT_RENDER_MODE_LCD_V use the same
+ coordinates. The letter, however, rotates them before using.
+ The LCD bitmap padding is also calculated using these coordinates.
+
+ * include/freetype/internal/ftobjs.h (FT_LibraryRec): New array field
+ `lcd_geometry'.
+ * src/base/ftlcdfil.c (ft_lcd_padding): Reworked.
+ * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Updated accordingly.
+
+ * src/smooth/ftsmooth.c [!FT_CONFIG_OPTION_SUBPIXEL_RENDERING]
+ (ft_smooth_init): Initialize `lcd_geometry'.
+ (ft_smooth_render_generic): Formalize outline shifts.
+
+2018-05-22 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Reject elements of composites with invalid glyph indices.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8413
+
+ * src/truetype/ttgload.c (TT_Load_Composite_Glyph): Implement it.
+
+2018-05-22 Werner Lemberg <wl@gnu.org>
+
+ * src/truetype/ttgload.c (TT_Load_Simple_Glyph): Trace # of points.
+
+2018-05-20 Werner Lemberg <wl@gnu.org>
+
+ * include/freetype/ftcolor.h: New file.
+
+ This is an interface to the `CPAL' OpenType table. No
+ implementation yet.
+
+2018-05-18 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ * include/freetype/internal/ftcalc.h (FT_MSB): Verified `_MSC_VER'.
+
+ Actually `_BitScanReverse' is available since VS2005.
+
+2018-05-18 Werner Lemberg <wl@gnu.org>
+
+ * include/freetype/internal/ftcalc.h (FT_MSB): Use `_MSC_VER' value.
+
+ Older VC versions don't provide `_BitScanReverse'. We test for VC
+ 2013.
+
+ Reported by John Emmas <john@creativepost.co.uk>.
+
+2018-05-17 Werner Lemberg <wl@gnu.org>
+
+ s/inline/__inline/ for MSVC.
+
+ Reported by John Emmas <john@creativepost.co.uk>.
+
+ * include/freetype/internal/ftcalc.h (FT_MSB) [_MSC_VER]: Do it.
+
+2018-05-16 Werner Lemberg <wl@gnu.org>
+
+ Add function `FT_Get_GlyphLayers' to access `COLR' table data.
+
+ * include/freetype/internal/ftobjs.h (FT_Glyph_LayerRec): Move this
+ structure to...
+ * include/freetype/freetype.h (FT_Glyph_LayerRec): ... this
+ header file.
+ (FT_Glyph_Layer): New typedef.
+ Update code to use it where appropriate.
+
+ * src/base/ftobjs.c (FT_Get_GlyphLayers): New function.
+
+2018-05-15 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [base] Fix mono bitmap presetting (#53896).
+
+ It is rather fundamental to set monochrome bitmap based on rounded
+ CBox because the b/w rasterizer turns on pixels when their centers are
+ inside the glyph outline. The dropout control is unpredictable and can
+ distort narrow glyphs if the bitmap is too wide.
+
+ Reported by Chris Liddell.
+
+ * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): If BBox boundaries
+ are too close, adjust them before rounding.
+
+2018-05-15 Werner Lemberg <wl@gnu.org>
+
+ [psaux] Fix compiler warning (#53915).
+
+ * src/psaux/psft.c (cf2_freeT1SeacComponent): Do it.
+
+2018-05-15 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Fix memory leak in handling `COLR' data.
+
+ * src/truetype/ttgload.c (TT_Load_Glyph): Free old `layers' array
+ before reassigning allocated memory.
+ Only allocate `color_layers' if we don't have one already.
+
+2018-05-15 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] If `COLR' is present, don't assume that all glyphs use it.
+
+ * src/sfnt/ttcolr.c (tt_face_load_colr_layers): Return FT_Err_Ok if
+ current glyph is not a `COLR' base glyph.
+
+ * src/truetype/ttgload.c (TT_Load_Glyph): Don't allocate
+ `color_layers' if there are no color layers.
+
+2018-05-14 Werner Lemberg <wl@gnu.org>
+
+ * src/base/ftobjs.c (FT_Load_Glyph): Fix signature of `pixel_modes'.
+
+2018-05-14 Werner Lemberg <wl@gnu.org>
+
+ Provide dummy functions if `TT_CONFIG_OPTION_SFNT_NAMES' is not set.
+
+ * src/base/ftsnames.c [!TT_CONFIG_OPTION_SFNT_NAMES]: Implement it.
+
+2018-05-13 Werner Lemberg <wl@gnu.org>
+
+ * src/base/ftobjs.c (FT_Load_Glyph): Improve tracing.
+
+2018-05-13 Shao Yu Zhang <shaozhang@fb.com>
+ Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Preliminary support of colored layer outlines (#44689).
+
+ This commit enables OpenType's COLR/CPAL table handling; a typical
+ application are color emojis that can be scaled to any size.
+
+ If the color palette does not exist or is invalid, the rendering
+ step rasterizes the outline instead. The current implementation
+ assumes that the foreground is black.
+
+ Enable this by defining option TT_CONFIG_OPTION_COLOR_LAYERS.
+
+ There are still some issues with metrics; additionally, an API to
+ fetch color layers is missing.
+
+ * devel/ftoption.h, include/freetype/config/ftoption.h
+ (TT_CONFIG_OPTION_COLOR_LAYERS): New macro.
+
+ * include/freetype/internal/ftobjs.h (FT_Glyph_LayerRec,
+ FT_Colr_InternalRec): New structures.
+ (FT_Slot_InternalRec): Add `color_layers' field.
+
+ * include/freetype/internal/sfnt.h (TT_Load_Colr_Layer_Func,
+ TT_Blend_Colr_Func): New function types.
+ (SFNT_Interface): Add `load_colr', `free_colr', `load_colr_layer',
+ and `colr_blend' fields.
+
+ * include/freetype/internal/tttypes.h (TT_FaceRec): Add
+ `colr_and_cpal' field.
+
+ * include/freetype/internal/tttags. (TTAG_COLR, TTAG_CPAL): New
+ macros.
+
+ * src/sfnt/ttcolr.c, src/sfnt/ttcolr.h: New files.
+
+ * src/base/ftobjs.c (ft_glyphslot_done, FT_Render_Glyph_Internal):
+ Handle glyph color layers.
+
+ * src/sfnt/Jamfile (_sources), src/sfnt/rules.mk (SFNT_DRV_SRC): Add
+ `ttcolr.c'.
+
+ * src/sfnt/sfdriver.c: Include `ttcolr.h'.
+ (PUT_COLOR_LAYERS): New macro.
+ Update call to `FT_DEFINE_SFNT_INTERFACE'.
+
+ * src/sfnt/sfnt.c: Include `ttcolr.c'.
+
+ * src/sfnt/sfobjs.c (sfnt_load_face): Load `COLR' and `CPAL' tables.
+ (sfnt_done_face): Updated.
+
+ * src/truetype/ttgload.c (TT_Load_Glyph): Handle color layers.
+
+2018-05-12 Arkady Shapkin <arkady.shapkin@gmail.com>
+
+ Use MS VC++'s _BitScanReverse to calculate MSB (patch #9636).
+
+ * include/freetype/internal/ftcalc.h (FT_MSB) [_MSC_VER]: Implement
+ it.
+
+2018-05-10 Alan Coopersmith <alan.coopersmith@oracle.com>
+
+ Fix DLL compilation on Solaris.
+
+ AC_COMPILE_IFELSE only tries to compile a `*.c' to a `*.o'. The
+ Solaris Studio 12.1 through 12.5 compilers see the
+ `-fvisibility=hidden' flag, but ignore it with a warning of:
+
+ cc: Warning: Option -fvisibility=hidden passed to ld,
+ if ld is invoked, ignored otherwise
+
+ AC_LINK_IFELSE does the compile and then tries to link the result,
+ at which point the Solaris linker will issue an error:
+
+ ld: fatal: option '-fvisibility=hidden' is incompatible with
+ building a dynamic executable
+
+ If we don't use AC_LINK_IFELSE to catch the error, then configure
+ will fail further tests which attempt to link, such as those testing
+ dependencies like `libbz2'.
+
+ Also, don't try adding `-fvisibility' if we have already added
+ `-xldscope', just use one of them, since Sun Studio 12 and earlier
+ compilers only issue a warning, and don't try passing through to the
+ linker to generate an error, so AC_LINK_IFELSE doesn't catch them.
+
+ Tested on Solaris 11.4 beta with compiler versions:
+
+ Sun Studio 8 (Sun C 5.5)
+ Sun Studio 10 (Sun C 5.7)
+ Sun Studio 11 (Sun C 5.8)
+ Sun Studio 12 (Sun C 5.9)
+ Sun Studio 12.1 (Sun C 5.10)
+ Oracle Solaris Studio 12.2 (Sun C 5.11)
+ Oracle Solaris Studio 12.3 (Sun C 5.12)
+ Oracle Solaris Studio 12.4 (Sun C 5.13)
+ Oracle Developer Studio 12.5 (Sun C 5.14)
+ Oracle Developer Studio 12.6 (Sun C 5.15)
+ gcc 5.5.0
+ gcc 7.3.0
+
+ and verified the libfreetype.so.6 generated by each of those
+ compilers exported the same set of symbols.
+
+ * builds/unix/configure.raw: Implement it.
+
+2018-05-08 Werner Lemberg <wl@gnu.org>
+
+ [autofit] Avoid potential SEGV if running out of memory.
+
+ Problem reported by Shailesh Mistry <shailesh.mistry@hotmail.co.uk>.
+
+ * src/autofit/afshaper.c (af_shaper_buf_create,
+ af_shaper_buf_destroy) [!FT_CONFIG_OPTION_USE_HARFBUZZ]: Don't
+ allocate and free a four-byte buffer. Instead, make those functions
+ no-ops; the calling functions will provide a pointer to a buffer
+ instead.
+
+ * src/autofit/afcjk.c (af_cjk_metrics_init_widths,
+ af_cjk_metrics_init_blues, af_cjk_metrics_check_digits),
+ src/autofit/aflatin.c (af_latin_metrics_init_widths,
+ af_latin_metrics_init_blues, af_latin_metrics_check_digits)
+ [!FT_CONFIG_OPTION_USE_HARFBUZZ]: Use pointer to local variable for
+ `shaper_buf'.
+
+2018-05-07 Nikolaus Waxweiler <madigens@gmail.com>
+
+ [cmake] Allow using project as subfolder in other project.
+
+ * CMakeLists.txt: Test for CMake build directory being different
+ from source directory. Provide other parts of the build system
+ access the full include directory.
+
+2018-05-07 Werner Lemberg <wl@gnu.org>
+
+ [build] Suppress configure's `nothing to be done' message.
+
+ This is due to calling the configure script via `make' (within the
+ top-level `configure' wrapper script). The same can happen for all
+ other secondary make targets that are used to only modify the
+ primary one, e.g., `make setup devel'.
+
+ * builds/dos/detect.mk (emx, turboc, watcom, borlandc, borlandc16),
+ builds/os2/detect (visualage, watcom, borlandc, devel),
+ builds/unix/detect.mk (devel, lcc, unix), builds/windows/detect.mk
+ (visualc, watcom, visualage, lcc, mingw32, bcc32, devel-bcc,
+ devel-gcc): Use no-op recipe.
+
+2018-05-04 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
+
+ Support symbol visibility features of Sun / Oracle C compilers.
+
+ Reported by Kiyoshi Kanazawa:
+ https://lists.gnu.org/archive/html/freetype-devel/2018-05/msg00008.html
+ Thanks to the suggestions by Alexei and Alan Coopersmith.
+
+ * builds/unix/configure.raw: Check if "-xldscope=hidden" is
+ accepted, and if so, it is added to CFLAGS. This is the option
+ making Sun / Oracle C compilers hide the symbols from global
+ scope.
+ * include/freetype/config/ftconfig.h: Use "__global" prefix
+ for FT_EXPORT() macro, if SunPro C is newer than Sun ONE
+ Studio 8 (2003).
+ * builds/unix/ftconfig.in: Ditto.
+ * builds/vms/ftconfig.h: Ditto.
+
+2018-05-02 Nikolaus Waxweiler <madigens@gmail.com>
+
+ Unbreak CMake Windows installation
+
+ * CMakeLists.txt: Generate ftconfig.h on non-UNIX.
+
+2018-05-02 Werner Lemberg <wl@gnu.org>
+
+ Remove FT_CONFIG_OPTION_PIC and related code.
+
+ */* [FT_CONFIG_OPTION_PIC]: Remove all code guarded by this
+ preprocessor symbol.
+
+ */*: Replace `XXX_GET' macros (which could be either a function in
+ PIC mode or an array in non-PIC mode) with `xxx' arrays.
+
+ * include/freetype/internal/ftpic.h, src/autofit/afpic.c,
+ src/autofit/afpic.h, src/base/basepic.c, src/base/basepic.h,
+ src/base/ftpic.c, src/cff/cffpic.c, src/cff/cffpic.h,
+ src/pshinter/pshpic.c, src/pshinter/pshpic.h, src/psnames/pspic.c,
+ src/psnames/pspic.h, src/raster/rastpic.c, src/raster/rastpic.h,
+ src/sfnt/sfntpic.c, src/sfnt/sfntpic.h, src/smooth/ftspic.c,
+ src/smooth/ftspic.h, src/truetype/ttpic.c, src/truetype/ttpic.h:
+ Removed.
+
+
+----------------------------------------------------------------------------
+
+Copyright (C) 2018-2020 by
+David Turner, Robert Wilhelm, and Werner Lemberg.
+
+This file is part of the FreeType project, and may only be used, modified,
+and distributed under the terms of the FreeType project license,
+LICENSE.TXT. By continuing to use, modify, or distribute this file you
+indicate that you have read the license and understand and accept it
+fully.
+
+
+Local Variables:
+version-control: never
+coding: utf-8
+End: