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Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/ChangeLog')
-rw-r--r-- | Build/source/libs/freetype2/freetype-src/ChangeLog | 2533 |
1 files changed, 2530 insertions, 3 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/ChangeLog b/Build/source/libs/freetype2/freetype-src/ChangeLog index 806b8354a90..670e8480550 100644 --- a/Build/source/libs/freetype2/freetype-src/ChangeLog +++ b/Build/source/libs/freetype2/freetype-src/ChangeLog @@ -1,3 +1,2530 @@ +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 coloured 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. + 2018-05-01 Werner Lemberg <wl@gnu.org> * Version 2.9.1 released. @@ -199,7 +2726,7 @@ The CPack definitions have been cleaned up, the `make dist' has been removed. Source packages generated with CPack don't contain Autotools - files and aren't used by the maintainters anyway. + files and aren't used by the maintainers anyway. On Windows, src/base/ftver.rc is compiled to decorate the library with version and copyright information. @@ -1414,7 +3941,7 @@ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3514. - * src/raster/ftrend1.c (ft_raster1_render): Exlicitly signed height. + * src/raster/ftrend1.c (ft_raster1_render): Explicitly signed height. * src/smooth/ftsmooth.c (ft_smooth_render_generic): Ditto. * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Explicitly unsigned subtraction. @@ -2336,7 +4863,7 @@ ---------------------------------------------------------------------------- -Copyright 2017-2018 by +Copyright (C) 2017-2019 by David Turner, Robert Wilhelm, and Werner Lemberg. This file is part of the FreeType project, and may only be used, modified, |