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diff --git a/ThirdParty/freetype/ChangeLog b/ThirdParty/freetype/ChangeLog new file mode 100644 index 0000000..670e848 --- /dev/null +++ b/ThirdParty/freetype/ChangeLog @@ -0,0 +1,4879 @@ +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. + ========================= + + + Tag sources with `VER-2-9-1'. + + * docs/VERSION.TXT: Add entry for version 2.9.1. + * docs/CHANGES: Updated. + + * README, Jamfile (RefDoc), builds/windows/vc2005/freetype.vcproj, + src/base/ftver.rc, builds/windows/vc2005/index.html, + builds/windows/vc2008/freetype.vcproj, + builds/windows/vc2008/index.html, + 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/2.9/2.9.1/, s/29/291/. + + * include/freetype/freetype.h (FREETYPE_PATCH): Set to 1. + + * builds/unix/configure.raw (version_info): Set to 22:1:16. + * CMakeLists.txt (VERSION_PATCH): Set to 1. + + * include/freetype/ftgasp.h: Use FT_BEGIN_HEADER and FT_END_HEADER. + +2018-04-26 Werner Lemberg <wl@gnu.org> + + Another fix for handling invalid format 2 cmaps. + + Sigh. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8003 + + * src/sfnt/ttcmap.c (tt_cmap2_char_next): Adjust condition to avoid + an endless loop. + +2018-04-24 Ben Wagner <bungeman@google.com> + + [base] Avoid undefined behaviour in lcd filtering code (#53727). + + * src/base/ftlcdfil.c (ft_lcd_filter_fir, _ft_lcd_filter_legacy): + Ensure `height > 0'. + +2018-04-22 Werner Lemberg <wl@gnu.org> + + * src/base/ftoutln.c (FT_Outline_Decompose): Improve error tracing. + +2018-04-22 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Fix bitmap emboldening. + + Bug introduced after release 2.8. + + * src/base/ftbitmap.c (ft_bitmap_assure_buffer): We use + `FT_QALLOC_MULT', which doesn't zero out the buffer. Adjust the + bitmap copying code to take care of this fact. + +2018-04-22 Werner Lemberg <wl@gnu.org> + + Another fix for handling invalid format 2 cmaps. + + The previous commit was incomplete. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7928 + + * src/sfnt/ttcmap.c (tt_cmap2_char_next): Adjust condition to avoid + an endless loop. + +2018-04-19 Werner Lemberg <wl@gnu.org + + [autofit] Add support for Georgian Mtavruli characters. + + This will be part of the forthcoming Unicode 11.0. + + * src/autofit/afblue.dat: Add blue zone data for Mtavruli. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Mtavruli standard character. + +2018-04-18 Werner Lemberg <wl@gnu.org> + + Fix handling of invalid format 2 cmaps. + + The problem was introduced after the last release. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7828 + + * src/sfnt/ttcmap.c (tt_cmap2_char_next): Avoid endless loop. + +2018-04-17 Werner Lemberg <wl@gnu.org> + + [truetype] Integer overflow issues. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7739 + + * src/truetype/ttinterp.c (Ins_CEILING): Use FT_PIX_CEIL_LONG. + +2018-04-16 Werner Lemberg <wl@gnu.org> + + [truetype] Integer overflow issues. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7718 + + * src/truetype/ttinterp.c (Ins_MIRP): Use ADD_LONG. + +2018-04-15 Alexei Podtelezhnikov <apodtele@gmail.com> + + [build] Use `info' function of make 3.81. + + * configure, docs/INSTALL, docs/INSTALL.CROSS, docs/INSTALL.GNU, + docs/INSTALL.UNIX, docs/MAKEPP: Bump make version requirements. + + * builds/detect.mk (std_setup): Replace `echo' with `info'. + (dos_setup): Removed. + * builds/unix/install.mk, builds/modules.mk, builds/dos/detect.mk, + builds/windows/detect.mk, builds/os2/detect.mk: Updated. + * builds/newline: No longer needed. + +2018-04-15 Werner Lemberg <wl@gnu.org> + + [truetype]: Limit `SLOOP' bytecode argument to 16 bits. + + This fixes + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7707 + + * src/truetype/ttinterp.c (Ins_SLOOP): Do it. + +2018-04-14 Werner Lemberg <wl@gnu.org> + + [truetype] Integer overflow issues. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7652 + + * src/truetype/ttinterp.c (Ins_MDAP): Use SUB_LONG. + +2018-04-14 Werner Lemberg <wl@gnu.org> + + [autofit] Update to Unicode 11.0.0. + + But no support new scripts (volunteers welcomed). + + * src/autofit/afranges.c (af_arab_nonbase_uniranges, + af_beng_nonbase_uniranges, af_cakm_nonbase_uniranges, + af_deva_nonbase_uniranges, af_geor_uniranges, + af_gujr_nonbase_uniranges, af_mlym_nonbase_uniranges, + af_nkoo_nonbase_uniranges, af_telu_nonbase_uniranges, + af_hani_uniranges): Add new data. + +2018-04-10 Nikolaus Waxweiler <madigens@gmail.com> + + * CMakeLists.txt, builds/cmake/FindHarfBuzz.cmake: Extensive + modernization measures. + + This brings up the minimum required CMake version to 2.8.12. + + The installation paths follow the GNU defaults now, e.g. installing on a + 64 bit host will place binaries into the lib64/ folder on e.g. Fedora. + + Symbols are hidden by default (e.g. `-fvisibility=hidden' on GCC). + + CMake will no longer look for a C++ compiler. + + Library and .so version now match the Autotools build. + + Comments in the build file and informational messages now use platform + agnostic example commands. + + ftoption.h and ftconfig.h are written directly without a redundant `-new' + copy. + + External dependencies are expressed as option()s and will turn up as such + in cmake-gui. + + Internal: Properties such as dependencies and include directories are now + privately set on the freetype library instead of globally. + + 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 maintainers anyway. + + On Windows, src/base/ftver.rc is compiled to decorate the library with + version and copyright information. + + A pkg-config file is now generated and installed. + +2018-04-09 Werner Lemberg <wl@gnu.org> + + [truetype] Integer overflow issues. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7453 + + * src/truetype/ttinterp.c (Round_Super, Round_Super_45): Use + ADD_LONG and SUB_LONG. + +2018-04-06 Alexei Podtelezhnikov <apodtele@gmail.com> + + [windows, wince] Clean up legacy project files. + + * builds/wince/vc2005-ce/freetype.vcproj, + builds/wince/vc2008-ce/freetype.vcproj, + builds/windows/vc2005/freetype.vcproj, + builds/windows/vc2008/freetype.vcproj, + builds/windows/visualce/freetype.vcproj, + builds/windows/visualce/freetype.dsp, + builds/windows/visualc/freetype.vcproj, + builds/windows/visualc/freetype.dsp: Remove per-file compile flags. + +2018-04-04 Werner Lemberg <wl@gnu.org> + + [cff, type1] Sanitize `BlueFuzz' and `BlueShift'. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7371 + + * src/cff/cffload.c (cff_load_private_dict): Sanitize + `priv->blue_shift' and `priv->blue_fuzz' to avoid overflows later + on. + + * src/type1/t1load.c (T1_Open_Face): Ditto. + +2018-04-04 Ben Wagner <bungeman@google.com> + + * src/truetype/ttobjs.c (trick_names): Add 3 tricky fonts (#53554), + `DFHei-Md-HK-BF', `DFKaiShu-Md-HK-BF' and `DFMing-Bd-HK-BF'. + (tt_check_trickyness_sfnt_ids): Add checksums for 3 tricky fonts + in above. + +2018-04-01 Werner Lemberg <wl@gnu.org> + + * builds/toplevel.mk (work): Use $(SEP). + + This fixes the `make refdoc' using Cygwin: $(CAT) is `type' on this + platform, and this program only understands backslashes in paths. + + Reported by Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>. + +2018-03-30 Werner Lemberg <wl@gnu.org> + + [truetype] Fix memory leak (only if tracing is on). + + * src/truetype/ttgxvar.c (TT_Get_MM_Var) [FT_DEBUG_LEVEL_TRACE}: Fix + it. + +2018-03-23 Ben Wagner <bungeman@google.com> + + [sfnt] Correctly handle missing bitmaps in sbix format (#53404). + + * src/sfnt/ttfsbit.c (tt_face_load_sbix_image): Fix return value. + +2018-03-23 Ben Wagner <bungeman@google.com> + + [truetype] Fix advance of empty glyphs in bitmap fonts (#53393). + + * src/truetype/ttgload.c (TT_Load_Glyph): Apply scaling to metrics + for empty bitmaps. + +2018-03-22 Werner Lemberg <wl@gnu.org> + + Remove `ftlcdfil.c' and `ftfntfmt.c' from build files (#53415). + + builds/amiga/makefile, builds/amiga/makefile.os4, + builds/amiga/smakefile, builds/mac/FreeType.m68k_cfm.make.txt, + builds/mac/FreeType.m68k_far.make.txt, + builds/mac/FreeType.ppc_carbon.make.txt, + builds/mac/FreeType.ppc_classic.make.txt, + builds/symbian/freetype.mmp, builds/wince/vc2005-ce/freetype.vcproj, + builds/wince/vc2008-ce/freetype.vcproj, + builds/windows/vc2005/freetype.vcproj, + builds/windows/vc2008/freetype.vcproj, + builds/windows/vc2010/freetype.vcxproj, + builds/windows/vc2010/freetype.vcxproj.filters, + builds/windows/visualc/freetype.dsp, + builds/windows/visualc/freetype.vcproj, + builds/windows/visualce/freetype.dsp, + builds/windows/visualce/freetype.vcproj, vms_make.com: Do it. + +2018-03-13 Werner Lemberg <wl@gnu.org> + + * src/sfnt/ttcmap.c (tt_cmap2_validate): Fix potential numeric + overflow. + +2018-03-13 Werner Lemberg <wl@gnu.org> + + Fix cmap format 2 handling (#53320). + + The patch introduced for #52646 was not correct. + + * src/sfnt/ttcmap.c (tt_cmap2_char_next): Adjust condition. + +2018-03-10 Nikolaus Waxweiler <madigens@gmail.com> + + * CMakeLists.txt (BASE_SRCS): Update to changes from 2018-03-05. + +2018-03-09 Chun-wei Fan <fanc999@yahoo.com.tw> + + * CMakeLists.txt [win32]: Allow MSVC DLL builds (#53287). + + Do not limit DLL builds to MinGW, since we already have + `__declspec(dllexport)' directives in `ftconfig.h'. + Also suppress more warnings for POSIX functions. + +2018-03-08 Hugh McMaster <hugh.mcmaster@outlook.com> + + Make installation of `freetype-config' optional (#53093). + + * builds/unix/configure.raw: Add option `--enable-freetype-config' + and set `INSTALL_FT2_CONFIG'. + * builds/unix/unix-def.in (INSTALL_FT2_CONFIG): Define. + * builds/unix/install.mk (install): Handle it. + +2018-03-05 Werner Lemberg <wl@gnu.org> + + Make `ftlcdfil.c' part of the `base' module. + + `ftobjs.c' needs `ft_lcd_padding'. + + Problem reported by duhuanpeng <548708880@qq.com>. + + * modules.cfg (BASE_EXTENSIONS): Don't include `ftlcdfil.c'. + + * src/base/ftbase.c: Include `ftlcdfil.c'. + * src/base/rules.mk (BASE_SRC): Add `ftlcdfil.c'. + * src/base/Jamfile (_sources): Adjusted. + + * docs/INSTALL.ANY: Updated. + +2018-03-05 Werner Lemberg <wl@gnu.org> + + Make `ftfntfmt.c' part of the `base' module. + + `ftobjs.c' needs `FT_Get_Font_Format'. + + Problem reported by duhuanpeng <548708880@qq.com>. + + * modules.cfg (BASE_EXTENSIONS): Don't include `ftfntfmt.c'. + + * src/base/ftbase.c: Include `ftfntfmt.c'. + * src/base/rules.mk (BASE_SRC): Add `ftfntfmt.c'. + * src/base/Jamfile (_sources): Adjusted. + + * docs/INSTALL.ANY: Updated. + +2018-03-01 Werner Lemberg <wl@gnu.org> + + * src/truetype/ttinterp.c (TT_RunIns): Fix tracing arguments. + +2018-02-23 Werner Lemberg <wl@gnu.org> + + * builds/unix/configure.raw: Need HarfBuzz 1.3.0 or newer. + + Problem reported by Alan Coopersmith <alan.coopersmith@oracle.com>. + +2018-02-17 Werner Lemberg <wl@gnu.org> + + [sfnt] Prefer `CBDT'/`CBLC' over `glyf' table (#53154). + +2018-02-06 Werner Lemberg <wl@gnu.org> + + [truetype] Integer overflow issues. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6027 + + * src/truetype/ttinterp.c (Ins_MSIRP, Ins_MIAP, Ins_MIRP): Use + SUB_LONG; avoid FT_ABS. + +2018-02-04 Alexei Podtelezhnikov <apodtele@gmail.com> + + [unix] Use -fvisibility=hidden. + + It is now widely recommended that ELF shared libraries hide symbols + except those with explicit __attribute__((visibility("default"))). + This is supported by all major compilers and should rather be an + option in libtool. + + * builds/unix/configure.raw: Add -fvisibility=hidden to CFLAGS. + * builds/unix/ftconfig.in, builds/vms/ftconfig.h, + include/freetype/config/ftconfig.h (FT_EXPORT): Use visibility + attribute. + +2018-01-27 Werner Lemberg <wl@gnu.org> + + [truetype] Better protection against invalid VF data. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5739 + + Bug introduced in commit 08cd62deedefe217f2ea50e392923ce8b5bc7ac7. + + * src/truetype/ttgxvar.c (TT_Set_Var_Design): Always initialize + `normalizedcoords'. + +2018-01-27 Werner Lemberg <wl@gnu.org> + + * src/truetype/ttinterp.c (Ins_GETVARIATION): Avoid NULL reference. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5736 + +2018-01-27 Werner Lemberg <wl@gnu.org> + + * src/truetype/ttgxvar.c (tt_set_mm_blend): Minor. + +2018-01-27 Werner Lemberg <wl@gnu.org> + + [truetype] Better trace VF instances. + + * src/truetype/ttgxvar.c (ft_var_to_normalized): Don't emit number + of coordinates. + (TT_Get_MM_Var): Trace instance indices names. + (TT_Set_Var_Design): Updated. + +2018-01-27 Werner Lemberg <wl@gnu.org> + + [truetype] Beautify tracing of VF axis records. + + * src/truetype/ttgxvar.c (TT_Get_MM_Var): Show axis records in a + table-like manner. + +2018-01-26 Ben Wagner <bungeman@google.com> + + [truetype] Fix multiple calls of `FT_Get_MM_Var' (#52955). + + * src/truetype/ttgxvar.c (TT_Get_MM_Var): Set + `face->blend->num_axis' in case we have to initialize the + `face->blend'. + +2018-01-23 Alexei Podtelezhnikov <apodtele@gmail.com> + + [apinames] Anonymous version map for GNU linker. + + * src/tools/apinames.c (PROGRAM_VERSION): Set to 0.3. + (OutputFormat): Add `OUTPUT_GNU_VERMAP'. + (names_dump): Handle it. + (usage): Updated. + (main): Handle new command line flag `-wL'. + +2018-01-21 Alexei Podtelezhnikov <apodtele@gmail.com> + + [unix] Call libtool to clean up. + + * builds/unix/install.mk (clean_project_unix, distclean_project_unix): + Use libtool. + * builds/freetype.mk: Minor. + +2018-01-18 Alexei Podtelezhnikov <apodtele@gmail.com> + + * src/base/ftver.rc: Fix mingw-w64 compilation. + +2018-01-18 Alexei Podtelezhnikov <apodtele@gmail.com> + + [build] Enable VERSIONINFO resource for Cygwin/MinGW. + + * builds/unix/configure.raw: Check for resource compiler. + * builds/unix/unix-cc.in: Conditionally set up resource compiler. + * builds/freetype.mk: Add conditional rule for `ftver.rc'. + * src/base/ftver.rc: Copyright notice and year update. + +2018-01-18 Alexei Podtelezhnikov <apodtele@gmail.com> + + [build] Move VERSIONINFO resource. + + * builds/windows/vc2010/freetype.vcxproj: Updated. + * builds/windows/ftver.rc: Move file from here... + * src/base/ftver.rc: ... to here. + +2018-01-12 Alexei Podtelezhnikov <apodtele@gmail.com> + + [build] Expand dllexport/dllimport to Cygwin/MinGW. + + * include/freetype/config/ftconfig.h: Respect DLL_EXPORT, + s/_MSC_VER/_WIN32/. + * builds/unix/ftconfig.in: Replicate here. + * builds/vms/ftconfig.h: Replicate here. + +2018-01-12 Alexei Podtelezhnikov <apodtele@gmail.com> + + [build] Improve and document MSVC build. + + * include/freetype/config/ftconfig.h: Guard dllexport/dllimport + attributes with _DLL and FT2_DLLIMPORT. + * builds/windows/vc2010/index.html: Update documentation. + +2018-01-10 Steve Robinson <ssrobins@gmail.com> + + * CMakeLists.txt [win32]: Suppress warnings for POSIX functions. + +2018-01-10 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Correctly handle Flex features (#52846). + + * src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_cmdVMOVETO, + cf2_cmdHMOVETO>: Do not move if doing Flex. + +2018-01-09 Alexei Podtelezhnikov <apodtele@gmail.com> + + * builds/windows/vc2010/freetype.sln: Synchronize with the project. + +2018-01-08 Werner Lemberg <wl@gnu.org> + + * Version 2.9 released. + ======================= + + + Tag sources with `VER-2-9'. + + * docs/VERSION.TXT: Add entry for version 2.9. + + * README, Jamfile (RefDoc), builds/windows/vc2005/freetype.vcproj, + builds/windows/vc2005/index.html, + builds/windows/vc2008/freetype.vcproj, + builds/windows/vc2008/index.html, + 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/windows/ftver.rc, + 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/2.8.1/2.9/, s/281/29/. + + * include/freetype/freetype.h (FREETYPE_MINOR): Set to 9. + (FREETYPE_PATCH): Set to 0. + + * builds/unix/configure.raw (version_info): Set to 22:0:16. + * CMakeLists.txt (VERSION_PATCH): Set to 0. + +2018-01-07 Werner Lemberg <wl@gnu.org> + + Add check for librt, needed for `ftbench' (#52824). + + * builds/unix/configure.raw (LIB_CLOCK_GETTIME): Define; this will + hold `-lrt' if necessary. + + * builds/unix/unix-cc.in (LIB_CLOCK_GETTIME): New variable. + +2018-01-07 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Fix Type 1 glyphs with too many stem hints. + + According to the CFF specification, charstrings can have up to 96 stem + hints. Due to hint replacement routines in Type 1 charstrings, some + glyphs are rejected by the Adobe engine, which implements the above + limit. This fix turns off hinting for such glyphs. + + * src/psaux/pshints.c (cf2_hintmap_build): Reset the error from calling + `cf2_hintmask_setAll' on a problematic Type 1 charstring and turn off + hinting. + +2018-01-06 Werner Lemberg <wl@gnu.org> + + Add `FT_Done_MM_Var'. + + This is necessary in case the application's memory routines differ + from FreeType. A typical example is a Python application on Windows + that calls FreeType compiled as a DLL via the `ctypes' interface. + + * include/freetype/ftmm.h, src/base/ftmm.c (FT_Done_MM_Var): Declare + and define. + + * docs/CHANGES: Updated. + +2018-01-03 Werner Lemberg <wl@gnu.org> + + [truetype] Round offsets of glyph components only if hinting is on. + + * src/truetype/ttgload.c (TT_Process_Composite_Component): Implement + it. + +2018-01-03 Werner Lemberg <wl@gnu.org> + + * src/truetype/ttgxvar.c (ft_var_to_design): Remove dead code. + + This is a better fix than the previous commit, which is now + reverted. + +2018-01-03 Alexei Podtelezhnikov <apodtele@gmail.com> + + Move internal LCD-related declarations. + + * include/freetype/ftlcdfil.h (ft_lcd_padding, ft_lcd_filter_fir): + Move from here... + * include/freetype/internal/ftobjs.h: ... to here. + +2018-01-03 Alexei Podtelezhnikov <apodtele@gmail.com> + + * include/freetype/config/ftconfig.h (FT_EXPORT, FT_EXPORT_DEF) + [_MSC_VER]: Limit Visual C++ attributes. + +2018-01-03 Werner Lemberg <wl@gnu.org> + + [truetype] Make blend/design coordinate round-tripping work. + + Behdad reported that setting blend coordinates, then getting design + coordinates did incorrectly return the default instance's + coordinates. + + * src/truetype/ttgxvar.c (tt_set_mm_blend): Fix it. + +2017-12-31 Werner Lemberg <wl@gnu.org> + + * src/sfnt/ttcmap.c (tt_cmap2_char_next): Fix endless loop. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4838 + +2017-12-31 Werner Lemberg <wl@gnu.org> + + Synchronize other Windows project files. + + * builds/windows/*: Add missing files. + +2017-12-31 Werner Lemberg <wl@gnu.org> + + Update Visual C 2010 project files. + + Problem reported by Hin-Tak. + + * builds/windows/vc2010/freetype.vcxproj: Add files `ftbdf.c' and + `ftcid.c'. + Sort entries. + * builds/windows/vc2010/freetype.vcxproj.filter: Ditto. + Fix members of `FT_MODULE' group. + +2017-12-30 Werner Lemberg <wl@gnu.org> + + * builds/vms/ftconfig.h: Synchronize with unix `ftconfig.in' file. + +2017-12-28 Werner Lemberg <wl@gnu.org> + + * builds/unix/ftconfig.in: Synchronize with main `ftconfig.h' file. + + Reported by Nikolaus. + +2017-12-27 Werner Lemberg <wl@gnu.org> + + Fix compiler warnings. + + * src/base/ftbitmap.c (ft_bitmap_assure_buffer): Make `pitch' and + `new_pitch' unsigned. + + * src/base/ftpsprop.c: Include FT_INTERNAL_POSTSCRIPT_PROPS_H. + +2017-12-27 Werner Lemberg <wl@gnu.org> + + Fixes for `make multi'. + + * include/freetype/internal/ftpsprop.h: Use `FT_BASE_CALLBACK'. + (ps_property_get): Harmonize declaration with corresponding + function typedef. + + * include/freety[e/internal/fttrace.h: Add `trace_psprops'. + + * src/base/ftpsprop.c: Include necessary header files. + (FT_COMPONENT): Define. + (ps_property_set): Tag with `FT_BASE_CALLBACK_DEF'. + (ps_property_get): Tag with `FT_BASE_CALLBACK_DEF'. + Harmonize declaration with corresponding function typedef. + +2017-12-27 Werner Lemberg <wl@gnu.org> + + Provide support for intra-module callback functions. + + This is needed especially for `make multi' with C++. + + * include/freetype/config/ftconfig.h (FT_BASE_CALLBACK, + FT_BASE_CALLBACK_DEF): New macros. + +2017-12-25 Ewald Hew <ewaldhew@gmail.com> + + Move PostScript drivers' property handlers to `base'. + + This reduces the amount of duplicated code across PostScript + drivers. + + * src/cff/cffdrivr.c, src/cid/cidriver.c, src/type1/t1driver.c + ({cff,cid,t1}_property_{get,set}): Moved to... + * include/freetype/internal/ftpsprop.h: ...this new file. + (ps_property_{get,set}): New functions to replace moved ones. + + * src/base/ftpsprop.c: New file that implements above functions. + + * include/freetype/internal/internal.h + (FT_INTERNAL_POSTSCRIPT_PROPS_H): New macro. + + * src/cff/cffdrivr.c, src/cid/cidriver.c, src/type1/t1driver.c: + Updated. + + * src/base/Jamfile, src/base/rules.mk (BASE_SRC), src/base/ftbase.c: + Updated. + +2017-12-20 Werner Lemberg <wl@gnu.org> + + Speed up FT_Set_Var_{Design,Blend}_Coordinates if curr == new. + + We exit early if the current design or blend coordinates are + identical to the new ones. + + * src/truetype/ttgxvar.c (tt_set_mm_blend, TT_Set_Var_Design): + Implement it, returning internal error code -1 if there will be no + variation change. + + * src/type1/t1load.c (t1_set_mm_blend): Ditto. + + * src/base/ftmm.c (FT_Set_Var_Design_Coordinates, + FT_Set_MM_Blend_Coordinates, FT_Set_Var_Blend_Coordinates): Updated. + +2017-12-18 Werner Lemberg <wl@gnu.org> + + [sfnt] Fix charmap type 2 iterator (#52646). + + The subsetted demo font of the report that exhibits the bug has a + very unusual type 2 cmap for Unicode(!): It contains only two + sub-headers, one for one-byte characters (covering the range 0x20 to + 0xFA), and a second one for higher byte 0x01 (just for character + code U+0131). + + Before this commit, the iterator wasn't able to correctly handle a + sub-header for higher byte 0x01. + + * src/sfnt/ttcmap.c (tt_cmap2_char_next): Fix character increment + for outer loop. + +2017-12-18 Matthias Clasen <matthias.clasen@gmail.com> + + [truetype] Fix clamping, minor tracing code beautification. + + * src/truetype/ttgxvar.c (ft_var_to_normalized): Trace number of + design coordinates. + Use clamped value. + +2017-12-18 Werner Lemberg <wl@gnu.org> + + * src/*/*: Only use `ft_' and `FT_' variants of stdc library stuff. + +2017-12-18 Werner Lemberg <wl@gnu.org> + + * src/truetype/ttgxvar.c (tt_face_vary_cvt): Add size guard (#52688). + +2017-12-18 Werner Lemberg <wl@gnu.org> + + [truetype] Fix previous commit. + + * src/truetype/ttgload.c (TT_Process_Simple_Glyph): Correctly handle + unhinted phantom points, which must be properly scaled. + +2017-12-18 Werner Lemberg <wl@gnu.org> + + [truetype] Don't apply HVAR and VVAR deltas twice (#52683). + + * src/truetype/ttgload.c (TT_Process_Simple_Glyph): Always adjust + `pp1' to `pp4', except if we have an HVAR and/or VVAR table. + + * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Handle + alternative code branch identically w.r.t. presence of an HVAR + and/or VVAR table. + +2017-12-17 Jonathan Kew <jfkthame@gmail.com> + + [truetype] Correctly handle variation font phantom points (#52683). + + * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Fix phantom + point indices. + +2017-12-17 Jonathan Kew <jfkthame@gmail.com> + + Fix incorrect advance width scaling (#52683). + + * src/base/ftadvance.c (FT_Get_Advances): Always respect the + FT_LOAD_NO_SCALE flag if present. + +2017-12-16 Alexei Podtelezhnikov <apodtele@gmail.com> + + * builds/windows/vc2010/freetype.vcxproj: AfterBuild copy. + * objs/.gitignore: Ignore almost everything. + +2017-12-11 Werner Lemberg <wl@gnu.org> + + Fix compiler warning (#52640). + + * src/base/ftbitmap.c (ft_bitmap_assure_buffer): Remove unused + variable. + +2017-12-08 Azzuro <azzuro@team-mediaportal.com> + + * builds/windows/vc2010/freetype.vcxproj: Adjust output directory. + + This allows builds with different configurations in parallel. + +2017-12-08 Werner Lemberg <wl@gnu.org> + + Fix `make setup dos', second try (#52622). + + * builds/detect.mk (dos_setup): Don't use literal `>' character at + all. Mixing the different escaping rules from make, dos, and + windows is too fragile. + +2017-12-08 Werner Lemberg <wl@gnu.org> + + [docmaker] Fix code section parsing. + + Stuff like + + { + <bla> + } + + confused the parser, which incorrectly treated `<bla>' as a markup + tag. + + * src/tools/docmaker/content.py (ContentProcessor::process_content): + Apply `re_markup_tags' only outside of code sections. + +2017-12-08 Werner Lemberg <wl@gnu.org> + + New `ftdriver.h' file, covering all driver modules. + + This reduces redundancy and increases synergy; it also reduces the + number of header files. + + * include/freetype/config/ftheader.h (FT_DRIVER_H): New macro. + (FT_AUTOHINTER_H, FT_CFF_DRIVER_H, FT_TRUETYPE_DRIVER_H, + FT_PCF_DRIVER_H, FT_TYPE1_DRIVER_H): Make them aliases to + FT_DRIVER_H. + + * include/freetype/ftautoh.h, include/freetype/ftcffdrv.h, + include/freetype/ftpcfdrv.h, include/freetype/ftt1drv.h, + include/freetype/ftttdrv.h: Replaced with... + * include/freetype/ftdriver.h: ...this new file. + (FT_CFF_HINTING_ADOBE, FT_T1_HINTING_ADOBE): Renamed to... + (FT_HINTING_ADOBE): ... this new macro. + (FT_CFF_HINTING_FREETYPE, FT_T1_HINTING_FREETYPE): Renamed to... + (FT_HINTING_FREETYPE): ... this new macro. + + * src/*/*: Updated accordingly. + +2017-12-08 Werner Lemberg <wl@gnu.org> + + Move `ftdriver.h' to `ftdrv.h'. + + * include/freetype/internal/ftdriver.h: Renamed to... + * include/freetype/internal/ftdrv.h: ... this name. + + * include/freetype/internal/internal.h (FT_INTERNAL_DRIVER_H): + Updated. + +2017-12-08 Werner Lemberg <wl@gnu.org> + + Fix access to uninitalized memory (#52613). + + Also reported as + + https://bugs.chromium.org/p/chromium/issues/detail?id=791317 + + * src/base/ftbitmap.c (ft_bitmap_assure_buffer): If increasing the + bitmap size needs a larger bitmap buffer, assure that the new memory + areas are initialized also. + +2017-12-08 Werner Lemberg <wl@gnu.org> + + Fix `make setup dos' (#52622). + + * builds/detect.mk (dos_setup): Properly escape literal `>' + character. + +2017-12-07 Werner Lemberg <wl@gnu.org> + + Fix C++ compilation. + + * src/psaux/psauxmod.h: Use FT_CALLBACK_TABLE macro where necessary. + + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Fix warning. + +2017-12-07 Werner Lemberg <wl@gnu.org> + + Fix `make multi'. + + * include/freetype/internal/fttrace.h: Remove unused tracing macros. + s/pshalgo2/pshalgo/. + Add `trace_cffdecode'. + * src/pshinter/pshalgo.c (FT_COMPONENT): Updated. + + * src/cff/cffload.c: Include FT_INTERNAL_POSTSCRIPT_AUX_H. + * src/cff/cffobjs.c: Include FT_SERVICE_METRICS_VARIATIONS_H and + FT_SERVICE_CFF_TABLE_LOAD_H. + + * src/cid/cidriver.c: Include FT_INTERNAL_POSTSCRIPT_AUX_H. + + * src/psaux/cffdecode.c: Include FT_FREETYPE_H and + FT_INTERNAL_DEBUG_H. + (FT_COMPONENT): Define. + * src/psaux/cffdecode.h: Include FT_INTERNAL_POSTSCRIPT_AUX_H. + * src/psaux/psauxmod.h: Include FT_INTERNAL_POSTSCRIPT_AUX_H. + Declare `cff_builder_funcs' and `ps_builder_funcs'. + * src/psaux/psft.c: Include `psobjs.h' and `cffdecode.h'. + * src/psaux/psobjs.c : Include `psauxmod.h'. + +2017-12-07 Werner Lemberg <wl@gnu.org> + + * include/freetype/config/ftheader.h: Some clean-up. + + This commit removes documentation of deprecated macros and does some + minor streamlining. + +2017-12-06 Werner Lemberg <wl@gnu.org> + + * builds/symbian/bld.inf: Updated. + +2017-12-06 Werner Lemberg <wl@gnu.org> + + New header file `ftparams.h' that collects all parameter tags. + + * include/freetype/config/ftheader.h (FT_PARAMETER_TAGS_H): New + macro. + (FT_TRUETYPE_UNPATENTED_H, FT_UNPATENTED_HINTING_H): Define it to + `ftparams.h'. + + * include/freetype/ftautoh.h, include/freetype/ftcffdrv.h, + include/freetype/ftincrem.h, include/freetype/ftlcdfil.h, + include/freetype/ftsnames.h, include/freetype/ftt1drv.h: Include + FT_PARAMETER_TAGS_H. + Move FT_PARAM_TAG_XXX definitions to... + * include/freetype/ftparams.h: ...this new file. + + * include/freetype/ttunpat.h: Remove. No longer needed. + +2017-12-05 Werner Lemberg <wl@gnu.org> + + Improve tracing messages by using singular and plural forms. + + * src/*/*.c: Implement it. + +2017-12-04 Werner Lemberg <wl@gnu.org> + + [truetype] Allow shared points in `cvar' table (#52532). + + * src/truetype/ttgxvar.c (tt_face_vary_cvt): Implement it by copying + and adjusting the corresponding code from + `TT_Vary_Apply_Glyph_Deltas'. + +2017-11-28 Werner Lemberg <wl@gnu.org> + + [truetype] Improving tracing of composite glyphs. + + * src/truetype/ttgload.c (TT_Load_Composite_Glyph) + [FT_DEBUG_LEVEL_TRACE]: Show composite glyph information. + +2017-11-27 Werner Lemberg <wl@gnu.org> + + [type1] Allow (again) `/Encoding' with >256 elements (#52464). + + In version 2.6.1, this has been disallowed to better reject + malformed fonts; however, this restriction was too strong. This + time, we only take the first 256 elements into account, since + encoding arrays are always accessed with a 8bit integer, according + to the PostScript Language Reference. + + * src/type1/t1load.c (parse_encoding): Implement it. + +2017-11-27 Jan Alexander Steffens (heftig) <jan.steffens@gmail.com> + + Fix last commit (#52522). + + * builds/freetype.mk: Set `FT_OPTION_H' and `FTOPTION_FLAG' + properly if we have `ftoption.h' in `BUILD_DIR'. + +2017-11-24 Werner Lemberg <wl@gnu.org> + + [unix] Install a massaged `ftoption.h' file (#51780). + + * builds/unix/configure.raw (ftoption_set, ftoption_unset): New + auxiliary functions to construct... + (FTOPTION_H_SED): ... this new variable. + Apply it as a sed argument while copying `ftoption.h' to the + `builds/unix' directory (using `AC_CONFIG_FILES'). + Simplify code of test that checks cpp's computation of bit length + (the test previously created an empty `ftoption.h' file and deleted + it immediately afterwards); without this change, it can happen on my + GNU/Linux box that `configure's execution of `config.status' doesn't + create `ftoption.h' (no idea why this happens). + + * builds/unix/install.mk (install): Install + `builds/unix/ftoption.h'. + + * builds/unix/unix-def.in (DISTCLEAN): Updated. + + * builds/unix/.gitignore: Updated. + +2017-11-23 Tor Andersson <tor.andersson@artifex.com> + + Silence unused function warnings (#52465). + + Some static function declarations cause unused function warnings if + certain config options are turned off via `ftoption.h'. + + * src/base/ftbase.h, src/base/ftrfork.c, src/sfnt/ttbdf.h, + src/truetype/ttgxvar.h: Add #ifdef guards around these sections. + +2017-11-22 Ewald Hew <ewaldhew@gmail.com> + + * src/psaux/psft.c (cf2_setGlyphWidth): Check format before setting. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4377 + +2017-11-22 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Fix CFF advance widths. (#52466) + + Glyph advance widths were being written to the new `PS_Decoder' but not + saved to the underlying format specific decoder. This caused pure CFF + fonts to have bad advance width. + + * include/freetype/internal/psaux.h (PS_Decoder): Change `glyph_width' + field to pointer. + Remove unused fields. + * src/psaux/psobjs.c (ps_decoder_init): Change `glyph_width' from copy + to reference. + Remove unused. + * src/psaux/psft.c (cf2_setGlyphWidth): Update code. + +2017-11-15 Vlad Tsyrklevich <vtsyrklevich@google.com> + + * include/freetype/ftrender.h: Fix `FT_Renderer_RenderFunc' type. + +2017-11-14 Nikolaus Waxweiler <madigens@gmail.com> + + Use Adobe hinting engine for `light' hinting of both CFF and Type 1. + + Since Ewald Hew factored the Adobe hinting engine out of the CFF + driver code, we can now use it on Type 1 (and CID) font formats, as + both have the same hinting philosophy. + + This change activates the Adobe hinter when in LIGHT mode, and + therefore always unless explicitly asking for the auto-hinter. This + makes LIGHT behavior consistent with CFF fonts. As of this commit, + the hinting engine table looks as follows. + + LIGHT NORMAL + ------------------------- + TrueType Auto v40 + CFF Adobe Adobe + Type 1 Adobe Adobe + +2017-11-10 Yuri Levchenko <yuri_levchenko@boolat.com> + + * CMakeLists.txt: Add `DISABLE_FORCE_DEBUG_PREFIX' option. + +2017-11-06 Alexei Podtelezhnikov <apodtele@gmail.com> + + * src/base/ftobjs.c (FT_Load_Glyph): Relocate condition. + +2017-11-06 Alexei Podtelezhnikov <apodtele@gmail.com> + + * src/smooth/ftgrays.c (gray_set_cell): Fix uninitialized variables. + +2017-11-03 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Fix PostScript interpreter rewinding in Type 1 mode. (#52251) + + The interpreter in Type 1 mode rewinds the charstring after collecting + all hints for building the initial hintmap (commit d52dd7f). However, + some charstrings use `endchar' in a final subroutine call, rewinding to + the start of that subroutine, and only a small section of the actual + glyph is drawn. + + * src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_cmdENDCHAR>: + Ensure we are on the top level charstring before rewinding. + +2017-11-03 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> + + [truetype] Add more tricky fonts. + + See the report by Yang Yinsen. + https://lists.gnu.org/archive/html/freetype-devel/2017-11/msg00000.html + + * src/truetype/ttobjs.c (trick_names): Add `DFGothic-EB', + `DFGyoSho-Lt', `DFHSGothic-W5', `DFHSMincho-W3' and `DFHSMincho-W7'. + (tt_check_trickyness_sfnt_ids): Add checksums for DFGothic-EB, + DFGyoSho-Lt, DFHSGothic-W5, DFHSMincho-W3 and DFHSMincho-W7. Also + add checksums for DLCLiShu and DLCHayBold which their family names + were already listed but their checksums were previously unknown. + +2017-11-01 Alexei Podtelezhnikov <apodtele@gmail.com> + + [smooth] Fix complex rendering at high ppem. + + We used to split large glyphs into horizontal bands and continue + bisecting them still horizontally if that was not enough. This is + guaranteed to fail when a single scanline cannot fit into the + rendering memory pool. Now we bisect the bands vertically so that + the smallest unit is a column of the band height, which is guranteed + to fit into memory. + + * src/smooth/ftgrays.c (gray_convert_glyph): Implement it. + +2017-10-20 Alexei Podtelezhnikov <apodtele@gmail.com> + + [smooth] Improve complex rendering at high ppem. + + At large sizes almost but not exactly horizontal segments can quickly + drain the rendering pool. This patch at least avoids filling the pool + with trivial cells. Beyond this, we can only increase the pool size. + + Reported, analyzed, and tested by Colin Fahey. + + * src/smooth/ftgrays.c (gray_set_cell): Do not record trivial cells. + +2017-10-20 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Improve tracing in FT_Load_Glyph, FT_*_Size. + + * src/base/ftobjs.c (FT_Load_Glyph): Tag tracing messages with + function name, glyph index, and load flags. + (FT_Select_Metrics, FT_Request_Metrics): Remove all tracing. + (FT_Select_Size, FT_Request_Size): Improve tracing. + +2017-10-18 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Improve tracing in FT_Render_Glyph. + + * src/base/ftobjs.c (FT_Render_Glyph_Internal): Add total coverage + calculations and downgrade Netpbm dump to bitmap:7. + +2017-10-15 Ewald Hew <ewaldhew@gmail.com> + + [cff] Fix segfault on missing `psaux' (#52218) + + * src/cff/cffload.c (cff_done_blend): Add a check for possible nullptr. + + * modules.cfg: Update dependency list. + +2017-10-15 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base, cff] Fix MSVC warnings. + + * src/base/ftobjs.c (FT_New_Library): C4702: unreachable code. + (ft_glyphslot_preset_bitmap): C4244: possible loss of data. + * src/cff/cffload.c (cff_blend_doBlend): C4244: possible loss of data. + Turn `sum' into unsigned. + +2017-10-14 Alexei Podtelezhnikov <apodtele@gmail.com> + + [base] Netpbm image tracing. + + * src/base/ftobjs.c (FT_Load_Glyph): Trace bitmap size. + (FT_Render_Glyph_Internal): Trace bitmap in Netpbm format. + + * src/smooth/ftgrays.c (gray_sweep): Sweep remnants of span tracing. + +2017-10-14 Alexei Podtelezhnikov <apodtele@gmail.com> + + * builds/windows/ftdebug.c (FT_Message): Print to stderr. + * builds/wince/ftdebug.c (FT_Message): Ditto. + +2017-10-14 Behdad Esfahbod <behdad@behdad.org> + + [afshaper] Delay creating `hb_set' objects until needed. + + In runs on Noto Naskh Arabic, this results in 89 sets created + instead of 340 before. Makes auto-hinter setup with HarfBuzz + enabled 20% to 30% faster. + + * src/autofit/afshaper.c (af_shaper_get_coverage): Implement it. + +2017-10-12 Ewald Hew <ewaldhew@gmail.com> + + [type1, cid] Add hinting engine switch. + + Implement property service in `type1' and `cid' drivers to allow + switching between FreeType or Adobe hinting engine when both are + available. + + * src/cid/cidriver.c (cid_property_{set,get}, cid_services), + src/type1/t1driver.c (t1_property_{set,get}, t1_services): Add + Properties service. + + * src/cid/cidobjs.c (cid_driver_init), src/type1/t1objs.c + (T1_Driver_Init): Add default property values. + +2017-10-12 Ewald Hew <ewaldhew@gmail.com> + + Add T1_CONFIG_OPTION_OLD_ENGINE configuration option. + + This controls whether the old Type 1 engine gets compiled into FreeType. + It is disabled by default. + + * devel/ftoption.h, include/freetype/config/ftoption.h + (T1_CONFIG_OPTION_OLD_ENGINE): New macro. + + * include/freetype/internal/psaux.h (PS_Decoder): Remove unused field. + * include/freetype/internal/psaux.h, src/cid/cidgload.c + (cid_load_glyph), src/psaux/psauxmod.c, src/psaux/psobjs.c + (ps_builder_add_point), src/psaux/t1decode.c + (t1_lookup_glyph_by_stdcharcode, t1_decoder_parse_glyph, + t1operator_seac, t1_decoder_parse_charstrings), src/psaux/t1decode.h, + src/type1/t1gload.c (T1_Parse_Glyph_And_Get_Char_String): Surround + relevant code with macro. + Minor code changes. + +2017-10-12 Ewald Hew <ewaldhew@gmail.com> + + Extract width parsing from Type 1 parser. + + Duplicate the fast advance width calculations from the old parser. + This is to facilitate adding options for compiling out the old parser. + + * src/psaux/t1decode.{c,h} (t1_decoder_parse_metrics): New function. + * include/freetype/internal/psaux.h (T1_Decoder_Funcs): New entry + `parse_metrics'. + * src/psaux/psauxmod.c: Set the new entry. + + * src/type1/t1gload.c (T1_Parse_Glyph_And_Get_Char_String), + src/cid/cidgload.c (cid_load_glyph): Separate + conditional for selecting engine. + +2017-10-09 Werner Lemberg <wl@gnu.org> + + * src/base/ftoutln.c (FT_Outline_Translate): Fix integer overflow. + + Reported as + + https://bugs.chromium.org/p/chromium/issues/detail?id=772775 + +2017-10-08 Werner Lemberg <wl@gnu.org> + + * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Integer overflows. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3579 + +2017-10-07 Werner Lemberg <wl@gnu.org> + + [sfnt] Adjust behaviour of PS font names for variation fonts. + + * src/sfnt/sfdriver.c (sfnt_get_var_ps_name): Use a named instance's + PS name only if no variation is applied. + +2017-10-07 Werner Lemberg <wl@gnu.org> + + [cff, truetype] Adjust behaviour of named instances. + + This commit completely separates the interaction between named + instances and variation functions. In particular, resetting the + variation returns to the current named instance (if set) and not to + the base font. + + As a side effect, variation functions no longer change the named + instance index. + + * src/cff/cffobjs.c (cff_face_init): Use MM service's `set_instance' + function. + Also apply `MVAR' table to named instances. + + * src/truetype/ttgxvar.c (TT_Get_MM_Var): Add cast. + (tt_set_mm_blend): No longer check whether requested variation + coincides with a named instance. + (TT_Set_Var_Design): Use current named instance for default + coordinates. + * src/truetype/ttobjs.c (tt_face_init): Use `TT_Set_Named_Instance'. + +2017-10-07 Werner Lemberg <wl@gnu.org> + + Make `FT_Set_Named_Instance' work. + + * src/cff/cffdrivr.c (cff_set_instance): New function. + (cff_service_multi_masters): Register it. + + * src/truetype/ttgxvar.c (TT_Set_Named_Instance): New function. + * src/truetype/ttgxvar.h: Updated. + * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Register + it. + + * src/type1/t1load.c (T1_Reset_MM_Blend): New function. + * src/type1/t1load.h: Updated. + * src/type1/t1driver.c (t1_service_multi_masters): Register it. + +2017-10-07 Werner Lemberg <wl@gnu.org> + + Make `FT_FACE_FLAG_VARIATION' work. + + * include/freetype/internal/tttypes.h (TT_Face): Remove + `is_default_instance'; this can be replaced with a combination of + `FT_IS_VARIATION' and `FT_IS_INSTANCE'. + + * src/cff/cffdrivr.c (cff_get_advances): Updated. + + * src/sfnt/sfdriver.c (sfnt_get_ps_name), src/sfnt/sfobjs.c + (sfnt_init_face): Updated. + + * src/truetype/ttdriver.c (tt_get_advances), src/truetype/ttgload.c + (TT_Process_Simple_Glyph, load_truetype_glyph, IS_DEFAULT_INSTANCE), + src/truetype/ttgxvar.c (tt_set_mm_blend): Updated. + * src/truetype/ttgxvar.c (TT_Set_MM_Blend, TT_Set_Var_Design): + Handle `FT_FACE_FLAG_VARIATION'. + + * src/type1/t1load.c (T1_Set_MM_Blend, T1_Set_MM_Design): Handle + `FT_FACE_FLAG_VARIATION'. + +2017-10-07 Werner Lemberg <wl@gnu.org> + + New function `FT_Set_Named_Instance'. + + No effect yet. + + * src/base/ftmm.c (FT_Set_Named_Instance): New function. + + * include/freetype/ftmm.h: Updated. + +2017-10-07 Werner Lemberg <wl@gnu.org> + + Add macros for checking whether a font variation is active. + + * include/freetype/freetype.h (FT_FACE_FLAG_VARIATION, + FT_IS_VARIATION): New macros. + No effect yet. + +2017-10-07 Werner Lemberg <wl@gnu.org> + + Add framework for setting named instance in MM service. + + * include/freetype/internal/services/svmm.h (FT_Set_Instance_Func): + New function typedef. + (MultiMasters): Add `set_instance' member. + (FT_DEFINE_SERVICE_MULTIMASTERSREC): Updated. + + * src/cff/cffdrivr.c (cff_service_multi_masters), + src/truetype/ttdriver (tt_service_gx_multi_masters), + src/type1/t1driver.c (t1_service_multi_masters): Updated. + +2017-10-07 Werner Lemberg <wl@gnu.org> + + [type1] Minor code shuffling. + + * src/type1/t1load.c (T1_Set_MM_Blend): Make it a wrapper of... + (t1_set_mm_blend): ...this new function. + (T1_Set_MM_Design): Use `t1_set_mm_blend'. + +2017-10-05 Werner Lemberg <wl@gnu.org> + + * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Fix integer + overflow. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3539 + +2017-10-05 Werner Lemberg <wl@gnu.org> + + Fix compiler warnings. + + * src/cff/cffdrivr.c (cff_ps_get_font_extra): Avoid code that relies + on numeric overflow. + Add cast. + + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Fix variable + types, add cast. + +2017-10-04 John Tytgat <John.Tytgat@esko.com> + + [cff] Add support for `FSType'. + + * include/freetype/internal/cfftypes.h (CFF_FontRec): Add + `font_extra' entry. + + * src/cff/cffdrivr.c (cff_ps_get_font_extra): New function to + retrieve FSType info from the embedded PostScript data. + (cff_service_ps_info): Register function. + + * src/cff/cffload.c (cff_font_done): Free `font_extra'. + +2017-09-30 Alexei Podtelezhnikov <apodtele@gmail.com> + + Signedness fixes in bitmap presetting. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3514. + + * 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. + +2017-09-29 Alexei Podtelezhnikov <apodtele@gmail.com> + + Bitmap metrics presetting [2/2]. + + * src/base/ftobjs.c (FT_Load_Glyph): Preset the bitmap metrics when + appropriate but `FT_Render_Glyph' is not called. + * include/freetype/freetype.h (FT_GlyphSlotRec): Document the change. + +2017-09-28 Alexei Podtelezhnikov <apodtele@gmail.com> + + [smooth, raster] Miscellaneous cleanups. + + * src/raster/ftrend1.c (ft_raster1_render): Clean up the exit. + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Reduce + translations and clean up the exit. + (ft_smooth_render_lcd, ft_smooth_render_lcd): Remove unused `error'. + +2017-09-28 Ben Wagner <bungeman@google.com> + + [truetype] Really, really fix #52082. + + * src/truetype/ttinterp.c (Ins_MDRP): Correct conditional. + +2017-09-28 Werner Lemberg <wl@gnu.org> + + * src/psaux/psintrp.c (cf2_doStems): Fix integer overflow. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3510 + +2017-09-28 Ewald Hew <ewaldhew@gmail.com> + + * src/cid/cidgload.c (cid_slot_load_glyph): Fix memory leak. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3489 + +2017-09-28 Alexei Podtelezhnikov <apodtele@gmail.com> + + Bitmap metrics presetting [1/2]. + + This mainly just extracts the code for presetting the bitmap metrics + from the monochrome, grayscale, and LCD renderers into a separate + function. + + * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): New function that + calculates prospective bitmap metrics for the given rendering mode. + * include/freetype/internal/ftobjs.h (ft_glyphslot_preset_bitmap): + Declare it. + + * src/base/ftlcdfil.c (ft_lcd_padding): New helper function that adds + padding to CBox taking into account pecularities of LCD rendering. + * include/freetype/ftlcdfil.h (ft_lcd_padding): Declare it. + + * src/raster/ftrend1.c (ft_raster1_render): Reworked to use + `ft_glyphslot_preset_bitmap'. + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Ditto. + (ft_smooth_render_lcd, ft_smooth_render_lcd): The pixel_mode setting + is moved to `ft_glyphslot_preset_bitmap'. + +2017-09-28 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Fix compiler warning. + + * src/psaux/pshints.c (cf2_hintmap_dump): Add switch for tracing + code. + +2017-09-27 Werner Lemberg <wl@gnu.org> + + * src/sfnt/ttload.c (tt_face_load_font_dir): Fix compiler warning. + +2017-09-25 Werner Lemberg <wl@gnu.org> + + [psaux] Fix compiler warnings. + + * src/psaux/psft.c (cf2_initLocalRegionBuffer): Remove redundant + test. + + * src/psaux/psintrp.c (cf2_interpT2CharString) + <cf2_escCALLOTHERSUBR>: Add casts. + + * src/psaux/psobjs.c (ps_decoder_init): Add cast. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Minor fixes. + + * include/freetype/internal/psaux.h, src/psaux/psobjs.{c,h}: + Rearrange `ps_builder_init' arguments to conventional order. + + * src/psaux/psft.c (cf2_decoder_parse_charstrings): Add a check and + notice for `SubFont' in Type 1 mode. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Move `psdecode' into `psobjs'. + + As the former only contains a single procedure, move it into + `psobjs' for simplicity. Also change the parameter order to the + conventional one. + + * src/psaux/psdecode.c (ps_decoder_init): Moved to... + * src/psaux/psobjs.c: ...Here. + * src/psaux/psdecode.h, src/psaux/psobjs.h: Ditto. + + * include/freetype/internal/psaux.h (PSAux_ServiceRec): Update + `ps_decoder_init' function signature. + + * src/cff/cffgload.c, src/cid/cidgload.c, src/type1/t1gload.c: + Update calls. + + * src/psaux/psaux.c, src/psaux/psauxmod.c: Update includes. + + * src/psaux/Jamfile (_sources), src/psaux/rules.mk (PSAUX_DRV_SRC): + Update file references. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Fix Type 1 hinting. + + Type 1 hinting breaks sometimes when mid-charstring hints should + have been in the initial hintmap. This fix adds a preprocessing + pass that reads all hints and builds the correct initial hintmap + first, before proceeding to build the glyph outline. + + * src/psaux/psintrp.c (cf2_interpT2CharString): New + `initial_map_ready' boolean flag. + Ignore outline commands and hint changes on first pass. + <cf2_cmdENDCHAR>: Add section to build hintmap and rewind. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Add tracing for hints. + + * src/psaux/pshints.c (cf2_hintmap_dump): New function. + (cf2_hintmap_insertHint): Trace incoming and inserted hints. + (cf2_hintmap_build): Dump hintmap before and after hint adjustment. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Minor fixes. + + * src/psaux/psintrp.c (cf2_interpT2CharString): Fix check for pop + results. + s/font->decoder/decoder/ where necessary. + <cf2_cmdHSTEM, cf2_cmdVSTEM, cf2_escHSTEM3, cf2_escVSTEM3>: Use + offset parameter in `cf2_doStems' instead of doing correction for + left-sidebearing. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [cid] Use the new engine. + + * src/cid/cidgload.c: Update includes. + (cid_load_glyph, cid_slot_load_glyph): Implement changes to glyph + loading code as with `type1' module. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [cid] Add Adobe engine configuration. + + This is similar to what was done in the `type1' module. + + * src/cid/cidriver.c (t1cid_driver_class): Update declaration. + * src/cid/cidobjs.c: Include FT_TYPE1_DRIVER_H. + (cid_driver_init): Update code. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Change subfont synthesis for CID fonts. + + Change `t1_make_subfont' to take in the Private dict record as an + argument. This is because Type 1 and CID font records in FreeType + have this in different places. + + * src/psaux/psobjs.c (t1_make_subfont): Change `T1_Face' to + `FT_Face' so that CID is also accepted. + Take `PS_Private' as an argument and let caller figure out where the + Private dict actually is. + Update references. + + * include/freetype/internal/psaux.h, src/psaux/psobjs.h: Update + declaration. + + * src/type1/t1gload.c (T1_Parse_Glyph_And_Get_Char_String): Update + call. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [type1] Switch to Adobe engine. + + * src/type1/t1objs.c (T1_Driver_Init): Set default to Adobe engine. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Extend Adobe interpreter (seac). + + This concludes the changes needed to add Type 1 support. + + * src/psaux/psintrp.c: Update includes. + (cf2_interpT2CharString) <cf2_escSEAC>: Implement this similarly to + implied seac for CFF. + + * src/psaux/t1decode.c (t1_lookup_glyph_by_stdcharcode_ps): New + function to look up the glyph index. + + * src/psaux/psft.c (cf2_getT1SeacComponent, + cf2_freeT1SeacComponent): New functions to get the charstrings for + seac components. + + * src/psaux/t1decode.h, src/psaux/psft.h: Update declarations. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Extend Adobe interpreter (flex in callothersubr). + + * src/psaux/psintrp.c (cf2_interpT2CharString) + <cf2_escCALLOTHERSUBR>: Fix Flex feature handling (OtherSubrs 0, 1, + 2). + <cf2_cmdRMOVETO>: Do not actually move the `glyphPath' while doing + flex. This is to avoid closing the current contour. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Extend Adobe interpreter (callothersubr). + + * src/psaux/psintrp.c (cf2_interpT2CharString) + <cf2_escCALLOTHERSUBR>: Copy code from + `t1_decoder_parse_charstrings' (in `t1decode.c'). + OtherSubr 3 (change hints) should reset the hintmask, so that the + new hints are applied. + Fix function calls and stack access. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Extend Adobe interpreter (pop). + + * src/psaux/psintrp.c (cf2_interpT2CharString): Change how unhandled + OtherSubr results are stored. Implement the PostScript stack using + an array. + <cf2_escPOP>: Ensure that the stack is not cleared after getting + `OtherSubr' results. + Fix stack access. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Extend Adobe interpreter (callsubr). + + * src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_cmdCALLSUBR>: + Type 1 mode. + + * src/psaux/psft.c (cf2_initLocalRegionBuffer): Add Type 1 mode. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Extend Adobe interpreter (div, four-byte numbers). + + * src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_escDIV>: Add + Type 1 mode. Type 1 requires large integers to be followed by + `div'; cf. `Adobe Type 1 Font Format', section 6.2. + <op == 255>: Push Type 1 four-byte numbers as `Int' always. This is + to ensure `div' and `callsubr' get values they can use. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Extend Adobe interpreter (hints). + + * src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_cmdHSTEM, + cf2_cmdVSTEM>: Add correction for left sidebearing in Type 1 mode. + Allow adding hints mid-charstring. + <cf2_escVSTEM3, cf2_escHSTEM3>: Translate into equivalent commands + for three normal stem hints. This requires some recalculation of + stem positions. + Correction for left sidebearing. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Extend Adobe interpreter (hsbw, sbw). + + * src/psaux/psintrp.c (cf2_doStems): `hsbw' or `sbw' must be the + first operation in a Type 1 charstring. + (cf2_interpT2CharString): Remove unused variables. + <cf2_cmdHMOVETO, cf2_cmdVMOVETO, cf2_cmdRMOVETO>: `hsbw' or `sbw' + must be the first operation in a Type 1 charstring. + <cf2_cmdHSBW, cf2_escSBW>: Fix data access and add correction for + left sidebearing. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Extend Adobe interpreter (setcurrentpoint). + + * src/psaux/psintrp.c (cf2_interpT2CharString) + <cf2_escSETCURRENTPT>: Fix stack access. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Extend Adobe interpreter (closepath). + + * src/psaux/psintrp.c (cf2_interpT2CharString) <c2f_cmdCLOSEPATH>: + Use the right builder function. We can use the `haveWidth' boolean + already present, instead of implementing `parse_state'. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Add Type 1 operations to Adobe CFF interpreter. + + The following Type 1 specific ops have been added (copied from + `t1decode'): + + closepath + vstem3 + hstem3 + seac + sbw + callothersubr + pop + setcurrentpoint + hsbw + + The following require a Type 1 mode, because of differences in + specification: + + hstem + vstem + vmoveto + callsubr + div + rmoveto + hmoveto + Numbers + + The subsequent commits will implement these changes and adapt + accesses of data and objects to the new interpreter. + + NOTE: Will not compile in the meantime! + + * src/psaux/psintrp.c: Add opcodes to enum. + (cf2_interpT2CharString): Copy relevant code over from + `t1_decoder_parse_charstrings' (in `t1decode.c'). + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [type1] Fixes for rendering. + + The Type 1 advance width calculation passes null for glyph slot, + etc, which can cause null pointer access in the new interpreter. + Fall back to the old one for now. + + Fix the large glyph retry code and ensure hinting and scaling flags + are set properly. + + * src/type1/t1gload.c (T1_Parse_Glyph_And_Get_Char_String): Add a + check for metrics_only. + Set the `force_scaling' flag. + (T1_Parse_Glyph): Updated. + (T1_Load_Glyph): Add `hinting' and `scaled' flags. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Add missing objects (2/2). + + Synthesize a `SubFont' object for Type 1 fonts. This is used in the + interpreter to access Private dict data, which are stored in + different places for Type 1 and CFF. This allows the same data to + be used in either mode. + + * src/psaux/psobjs.c (t1_make_subfont): New procedure to copy + required values to a dummy `CFF_SubFont' object. This is similar to + `cff_make_private_dict'. + * src/psaux/psobjs.h: Add the new declaration. + + * include/freetype/internal/psaux.h, src/psaux/psauxmod.c: Ditto. + Add this to the PSAux Service for future use with CID fonts. + + * src/type1/t1gload.c: Include FT_INTERNAL_CFF_TYPES_H. + (T1_Parse_Glyph_And_Get_Char_String): Add the call. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Add missing objects for Type 1 (1/2). + + Move `CF2_Font' instance to `PS_Decoder'. This is the context for + the interpreter and since it is currently stored in `CFF_Font', is + unavailable in Type 1 mode. + + * include/freetype/internal/psaux.h (T1_Decoder, PS_Decoder): New + `cf2_instance' field. + + * src/psaux/psdecode.c (ps_decoder_init): Copy `cf2_instance' to + `PS_Decoder'. + + * src/psaux/t1decode.c (t1_decoder_done): Add finalization code. + + * src/psaux/psft.c (cf2_decoder_parse_charstrings): Update accesses. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + Allow `type1' module to use the Adobe engine. + + Add the callback and some conditionals to switch between the two + engines. + + * include/freetype/internal/psaux.h (T1_Decoder_FuncsRec): Change + function declarations. + * src/psaux/psauxmod.c (T1_Decoder_FuncsRec): Register the + callbacks. + + * src/psaux/psobjs.c (ps_builder_add_point): Add conditionals for + number conversion. + + * src/type1/t1gload.c (T1_Parse_Glyph_And_Get_Char_String): Add code + to choose which renderer to use. + + * src/cid/cidgload.c (cid_load_glyph): Update call. + * src/base/ftobjs.c, src/psaux/psobjs.c, src/type1/t1gload.c: Update + includes. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [type1] Add Adobe engine configuration. + + Use the previously changed PS_Driver in type1 module to store + hinting engine configuration. + + * include/freetype/ftt1drv.h: New file. + Duplicate and rename config options from CFF. + * include/freetype/config/ftheader.h (FT_TYPE1_DRIVER_H): New macro. + + * src/type1/t1driver.c (t1_driver_class): Update declaration. + * src/type1/t1objs.c: Include FT_TYPE1_DRIVER_H. + (T1_Driver_Init): Update code. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [cff] Move and rename `CFF_Driver'. + + This is so that we can use the same hinting engine parameters for + Type 1. + + * include/freetype/internal/cffotypes.h (CFF_Driver): Rename and + move to... + * include/freetype/internal/psaux.h (PS_Driver): ...here. + + * src/cff/cffdrivr.c, src/cff/cffgload.c, src/cff/cffload.c, + src/cff/cffobjs.c, src/cff/cffobjs.h, src/psaux/psft.c, + src/psaux/psobjs.c: Update references. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux, type1] Reorganize object fields. + + Make some fields more generic, so that we can access them the same + way regardless of Type 1 or CFF. + + * include/freetype/internal/psaux.h (PS_Builder): Change `TT_Face' + to `FT_Face'. + Remove unused fields. + + * src/psaux/psft.c: Update all accesses of `PS_Builder.face'. + Add some asserts to guard against casting `T1_Face' as `TT_Face'. + + * src/type1/t1objs.h (T1_GlyphSlot): Reorder fields to follow + `CFF_GlyphSlot', so that we can pretend they are the same in the + interpreter. + + * src/psaux/psobjs.c (ps_builder_init, ps_builder_add_point): + Updated with above changes. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Prepare for Type 1 mode. + + Add some checks for Type 1 data passing through. + + * src/psaux/psfont.h (CF2_Font): Add `isT1' flag. + * src/psaux/psfont.c (cf2_font_setup): Skip the variations and blend + code which is not applicable for Type 1. + + * src/psaux/psft.c (cf2_decoder_parse_charstrings): Avoid accessing + `decoder->cff' in Type 1 mode. + Copy `is_t1' flag to `CF2_Font'. + +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + + [psaux, cff] Use the new objects. + + * include/freetype/internal/psaux.h, src/psaux/psauxmod.c: Fix + switching between new and old engines. + + * src/cff/cffgload.c, src/cff/cffparse.c: Update calls. + + * src/psaux/psblues.c, src/psaux/psfont.c, src/psaux/psfont.h, + src/psaux/psft.c, src/psaux/psft.h, src/psaux/psintrp.c: Update all + to use new objects. + +2017-09-24 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Objects for new interpreter (part 2). + + Make the new objects copy over values. They are essentially wrapper + types for the different decoders/builders. + + * include/freetype/internal/psaux.h: Update declarations. + (PS_Builder): Add `is_t1' flag. + (PS_Decoder_{Get,Free}_Glyph_Callback): Renamed to... + (CFF_Decoder_{Get,Free}_Glyph_Callback: ... this. + (PS_Decoder): Updated. + Add `t1_parse_callback' member. + (PSAux_ServiceRec): Add `ps_decoder_init' member. + + * src/psaux/psdecode.h, src/psaux/psobjs.h: Update declarations. + + * src/psaux/psdecode.c, src/psaux/psobjs.c: Implement copy with two + modes. + + * src/psaux/psauxmod.c: Add builder and decoder functions to `PSAux' + service. + +2017-09-24 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Add objects for new interpreter. + + Introduce `PS_Decoder' and `PS_Builder' which include all fields + from either Type 1 or CFF decoders/builders. + + * include/freetype/internal/psaux.h (PS_Builder, PS_Decoder): New + structs. + + * src/psaux/psobjs.c, src/psaux/psobjs.h: Add `PS_Builder' + functions. + + * src/psaux/psdecode.c, src/psaux/psdecode.h: New files to hold + `PS_Decoder' initialization functions. + + * src/psaux/psaux.c, src/psaux/Jamfile (_sources), + src/psaux/rules.mk (PSAUX_DRV_SRC): Updated. + +2017-09-24 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Rename files. + + Replace the `cf2' file name prefix with `ps' as the Adobe engine + will be used for both PostScript Types 1 and 2 (CFF) instead of just + CFF. + + s/cf2/ps/ for all following. + + * src/psaux/cf2*: Rename files. + * src/psaux/*: Update includes. + + * src/psaux/Jamfile (_sources), src/psaux/rules.mk (PSAUX_DRC_SRC, + PSAUX_DRV_H): Update file references. + +2017-09-24 Ewald Hew <ewaldhew@gmail.com> + + [psaux] Minor fix. + + Use `MultiMasters' service in `psaux' instead of a call to `cff'. + The project builds if CFF_CONFIG_OPTION_OLD_ENGINE is not defined. + + * src/psaux/cf2ft.c: Update includes. + (cf2_getNormalizedVector): Use `mm->get_var_blend' instead of + `cff_get_var_blend'. + +2017-09-24 Ewald Hew <ewaldhew@gmail.com> + + [psaux, cff] Move `cff_random' into `psaux' service. + + NOTE: Does not compile! + + Minor fix to allow both `cff' and `psaux' to use `cff_random'. + + * src/cff/cffload.c (cff_random): Move to... + * src/psaux/psobjs.c: Here. + * src/cff/cffload.h: Move corresponding declaration to + `src/psaux/psobjs.h'. + + * include/freetype/internal/psaux.h (PSAux_ServiceRec): Register the + function here... + * src/psaux/psauxmod.c: And here. + + * src/cff/cffload.c, src/psaux/cf2intrp.c: Update code. + +2017-09-24 Ewald Hew <ewaldhew@gmail.com> + + [cff] Move struct declarations to `freetype/internal'. + + NOTE: Does not compile! + + This is so that the CFF functions moved to `psaux' can access the + same structs that they need. + + * src/cff/cfftypes.h: Moved to... + * include/freetype/internal/cfftypes.h: ...Here. + + * src/cff/cffobjs.h: Moved the struct declarations to... + * include/freetype/internal/cffotypes.h: ... this new file. + + * include/freetype/internal/internal.h (FT_INTERNAL_CFF_TYPES_H, + FT_INTERNAL_CFF_OBJECT_TYPES_H): New macros. + + * src/cff/cffcmap.h, src/cff/cffdrivr.c, src/cff/cffgload.c, + src/cff/cffgload.h, src/cff/cffload.h, src/cff/cffobjs.c, + src/cff/cffobjs.h, src/cff/cffparse.h, src/psaux/psobjs.h, + include/freetype/internal/psaux.h, + include/freetype/internal/services/svcfftl.h: Update includes. + + * src/cff/rules.mk (CFF_DRV_H): Updated. + +2017-09-24 Ewald Hew <ewaldhew@gmail.com> + + [psaux, cff] Add new service for inter-module calls. + + NOTE: Does not compile! + + This is to allow CFF functions moved to `psaux' to call functions + declared in `src/cff/cffload.h'. + + * include/freetype/internal/services/svcfftl.h: New file, setting up + a `CFFLoad' service. + + * include/freetype/internal/ftserv.h (FT_DEFINE_SERVICEDESCREC10, + FT_DEFINE_SERVICEDESCREC): New macros. + (FT_SERVICE_CFF_TABLE_LOAD_H): New macro. + + * src/cff/cffdrivr.c, src/cff/cffpic.h: Register the new service. + + * src/cff/cfftypes.h (CFF_FontRec), src/psaux/cf2font.h + (CF2_FontRec): Add service interface. + + * src/cff/cffobjs.c, src/psaux/cf2font.c, src/psaux/cf2ft.c, + src/psaux/cf2intrp.c, src/psaux/cffdecode.c: Use the new service. + +2017-09-24 Ewald Hew <ewaldhew@gmail.com> + + [psaux, cff] Add callbacks for inter-module calls. + + NOTE: Does not compile! + + * include/freetype/internal/psaux.h: Add function pointer + declarations. + + * src/psaux/cffdecode.c (cff_decoder_init): Update to take in + callbacks. + * src/psaux/cffdecode.h: Ditto. + + * src/cff/cffgload.c (cff_compute_max_advance, cff_slot_load): + Update calls to pass in callbacks. + * src/psaux/cf2ft.c, src/psaux/cffdecode.c: Use them. + +2017-09-24 Ewald Hew <ewaldhew@gmail.com> + + [psaux, cff] Create new `PSAux' service interface entries. + + NOTE: Does not compile! + + * include/freetype/internal/psaux.h: Include + FT_INTERNAL_TRUETYPE_TYPES_H. + (CFF_Builder_FuncsRec, CFF_Decocer_FuncsRec): New function tables. + (CFF_Builder): Updated. + Fix for forward declaration. + (PSAux_ServiceRec): New field `cff_decoder_funcs'. + + * src/psaux/psauxmod.c (cff_builder_funcs, cff_decoder_funcs): New + function tables. + (PSAux_Interface): Updated. + + * include/freetype/internal/tttypes.h (TT_FaceRec): Add `psaux' + service interface. + + * src/cff/cffgload.c, src/cff/cffobjs.c, src/cff/cffparse.c: Update + function calls to use psaux service. + +2017-09-24 Ewald Hew <ewaldhew@gmail.com> + + [psaux, cff] Move CFF builder components into `psaux' module. + + NOTE: Does not compile! + + * src/cff/cffgload.c + (cff_builder_{init,done,add_point,add_point1,add_contour,start_point,close_contour}, + cff_check_points): Move to... + * src/psaux/psobjs.c: Here. + + * src/cff/cffgload.h: Move corresponding declarations to + `src/psaux/psobjs.h'. + + * src/cff/cffgload.h (CFF_Builder): Move struct declaration to... + * include/freetype/internal/psaux.h: Here. + +2017-09-24 Ewald Hew <ewaldhew@gmail.com> + + [psaux, cff] Move CFF decoder components into `psaux' module. + + NOTE: Does not compile! + + * src/cff/cffgload.c (CFF_Operator, + CFF_COUNT_{CHECK_WIDTH,EXACT,CLEAR_STACK}, cff_argument_counts, + cff_operator_seac, cff_compute_bias, + cff_lookup_glyph_by_stdcharcode, + cff_decoder_{parse_charstrings,init,prepare}): Move to... + * src/psaux/cffdecode.c: This new file. + + * src/cff/cffgload.h: Move corresponding declarations to... + * src/psaux/cffdecode.h: This new file. + + * src/cff/cffgload.h (CFF_MAX_{OPERANDS,SUBRS_CALLS,TRANS_ELEMENTS}, + CFF_Decoder_Zone, CFF_Decoder): Move declarations to... + * include/freetype/internal/psaux.h: Here. + + * src/psaux/cf2ft.h: Update include. + + * src/psaux/psaux.c, src/psaux/rules.mk (PSAUX_DRV_SRC): Update with + the new file. + +2017-09-24 Ewald Hew <ewaldhew@gmail.com> + + [psaux, cff] Move Adobe's engine components into `psaux' module. + + This is the first patch of a sequence to move the Type 2 charstring + processing capability from the `cff' module to the `psaux' module. + + NOTE: Does not compile! + + * src/cff/cf2*: Move these files to... + * src/psaux/cf2*: Here. + + * src/cff/Jamfile (_sources), src/cff/rules.mk (CFF_DRV_SRC, + CFF_DRV_H), src/cff/cff.c, src/cff/cffgload.c: Remove file + references. + + * src/psaux/Jamfile (_sources), src/psaux/rules.mk, src/psaux/psaux.c + (PSAUX_DRV_SRC, PSAUX_DRV_H): Add file references. + +2017-09-24 Alexei Podtelezhnikov <apodtele@gmail.com> + + Tweak per-face LCD filtering controls. + + Thing are simpler with a NULL-function pointer. + + * include/freetype/internal/ftobjs.h (FT_Face_InternalRec): New + pointer to the filter function. + (FT_LibraryRec): Remove unused `lcd_filter'. + (FT_Bitmap_LcdFilterFunc, ft_lcd_filter_fir): Move from here... + * include/freetype/ftlcdfil.h (FT_Bitmap_LcdFilterFunc, + ft_lcd_filter_fir): ... to here. + + * src/base/ftobjs.c (ft_open_face_internal): NULL-initialize the + per-face filter. + (FT_Face_Properties): Set it. + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Simplify. + + * src/base/ftlcdfil.c (ft_lcd_filter_fir, FT_Libary_SetLcdFilter): + Minor. + +2017-09-24 Jonathan Kew <jfkthame@gmail.com> + + [sfnt] Fix `premultiply_data' (#52092). + + * src/sfnt/pngshim.c (premultiply_data): Don't use vector extension + if we have less than 16 bytes of data. + +2017-09-24 Werner Lemberg <wl@gnu.org> + + [otvalid] Fix handling of ValueRecords. + + For GPOS pair positioning format 1 the description of ValueRecords + in the OpenType specification (1.8.2, from today) is wrong – the + offset has to be taken from the parent structure; in this case the + `PairSet' table. + + * src/otvalid/otvgpos.c (otv_PairSet_validate): Set `extra3'. + (otv_PairPos_validate): Adjust. + +2017-09-23 Werner Lemberg <wl@gnu.org> + + [otvalid] Handle `GSUB' and `GPOS' v1.1 tables. + + * src/otvalid/otvgsub.c (otv_GSUB_validate), src/otvalid/otvgpos.c + (otv_GPOS_validate): Implement it. + +2017-09-23 Werner Lemberg <wl@gnu.org> + + [otvalid] Update common table handling to OpenType 1.8.2. + + * src/otvalid/otvcommn.c (otv_Device_validate): Handle + VariationIndex subtable. + (otv_Lookup_validate): Handle MarkFilteringSet. + +2017-09-23 Alexei Podtelezhnikov <apodtele@gmail.com> + + [build] Windows-style DLL versioning. + + * build/windows/ftver.rc: New VERSIONINFO resource. + * build/windows/vc2010/freetype.vcxproj: Further improvements. + +2017-09-23 Ben Wagner <bungeman@google.com> + + [truetype] Really fix #52082. + + * src/truetype/ttinterp.c (Ins_MDRP): Correct conditional. + +2017-09-23 Werner Lemberg <wl@gnu.org> + + [otvalid] Handle `GDEF' v1.2 and v1.3 tables. + + No validation of variation stuff yet. + + * src/otvalid/otvgdef.c (otv_MarkGlyphSets_validate): New function. + (otv_GDEF_validate): Implement it. + +2017-09-22 Werner Lemberg <wl@gnu.org> + + [otvalid] Handle `BASE' v1.1 table. + + No validation of variation stuff yet. + + * src/otvalid/otvbase.c (otv_BASE_validate): Implement it. + +2017-09-22 Werner Lemberg <wl@gnu.org> + + [otvalid] Macros for 32bit offset support. + + * src/otvalid/otvcommn.h (OTV_OPTIONAL_TABLE32, + OTV_OPTIONAL_OFFSET32, OTV_SIZE_CHECK32): New macros. + +2017-09-21 Alexei Podtelezhnikov <apodtele@gmail.com> + + [build] Simplify Visual C++ 2010 project. + + * build/windows/vc2010/freetype.vcxproj: Remove fake singlethreaded + configurations and tweak. + +2017-09-21 Werner Lemberg <wl@gnu.org> + + [truetype] Integer overflow (#52082). + + * src/truetype/ttinterp.c (Ins_MDRP): Avoid FT_ABS. + +2017-09-21 Werner Lemberg <wl@gnu.org> + + [sfnt] Fix postscript name for default instance of variation fonts. + + Problem reported by Behdad. + + * src/sfnt/sfdriver.c (sfnt_get_ps_name): Test + `is_default_instance'. + +2017-09-21 Werner Lemberg <wl@gnu.org> + + [truetype] Fix `mmvar' array pointers, part 2. + + The previous commit was incomplete. + + * src/truetype/ttgxvar.c: Properly initialize sub-array offsets for + `master' also. + +2017-09-21 Werner Lemberg <wl@gnu.org> + + [truetype] Fix `mmvar' array pointers. + + Without this change, clang's AddressSanitizer reports many runtime + errors due to misaligned addresses. + + * src/truetype/ttgxvar.c (TT_Get_MM_Var): Use multiples of pointer + size for sub-array offsets into `mmvar'. + +2017-09-20 Werner Lemberg <wl@gnu.org> + + [truetype] Integer overflows. + + Changes triggered by + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3429 + + * src/truetype/ttinterp.c (Ins_SHPIX, Ins_DELTAP): Use NEG_LONG. + (Ins_MIAP): Use SUB_LONG. + +2017-09-19 Alexei Podtelezhnikov <apodtele@gmail.com> + + [build] Fix DLL builds in Visual C++ project. + + * build/windows/vc2010/freetype.vcxproj: Use DynamicLibrary in Debug + and Release configurations. + * include/freetype/config/ftconfig.h (FT_EXPORT, FT_EXPORT_DEF) + [_DLL]: Use Visual C++ extensions. + +2017-09-19 John Tytgat <John.Tytgat@esko.com> + + [cff] Fix family name logic of pure CFF fontdata (#52056). + + 1. If `FamilyName' is present in the CFF font, use this for + FT_Face's `family_name'. + 2. Otherwise, use the face name and chop off any subset prefix. + 3. If at this point FT_Face's `family_name' is set, use this + together with the full name to determine the style. + 4. Otherwise, use `CIDFontName' as FT_Face's `family_name'. + 5. If we don't have a valid style, use "Regular". + + Previously, FT_Face's `family_name' entry for pure CFF fontdata + nearly always was the fontname itself, instead of the `FamilyName' + entry in the CFF font (assuming there is one). + + * src/cff/cffobjs.c (cff_face_init) [pure_cff]: Implement it. + +2017-09-18 Alexei Podtelezhnikov <apodtele@gmail.com> + + [build] Declutter Visual C++ 2010-2017 project. + + * build/windows/vc2010/freetype.vcxproj: Use MaxSpeed (/02) + optimization for Release configuration throughout the project. + + +---------------------------------------------------------------------------- + +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, +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: |