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Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/ChangeLog')
-rw-r--r-- | Build/source/libs/freetype2/freetype-src/ChangeLog | 2036 |
1 files changed, 2026 insertions, 10 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/ChangeLog b/Build/source/libs/freetype2/freetype-src/ChangeLog index 23f57482399..b81af155d0d 100644 --- a/Build/source/libs/freetype2/freetype-src/ChangeLog +++ b/Build/source/libs/freetype2/freetype-src/ChangeLog @@ -1,4 +1,2020 @@ -2016-09-08 Werner Lemberg <wl@gnu.org> +2017-05-13 Werner Lemberg <wl@gnu.org> + + * Version 2.8 released. + ======================= + + + Tag sources with `VER-2-8'. + + * docs/VERSION.TXT: Add entry for version 2.8. + * docs/CHANGES: Updated. + + * 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/wince/vc2005-ce/freetype.vcproj, + builds/wince/vc2005-ce/index.html, + builds/wince/vc2008-ce/freetype.vcproj, + builds/wince/vc2008-ce/index.html: s/2.7.1/2.8/, s/271/28/. + + * include/freetype/freetype.h (FREETYPE_MINOR): Set to 8. + (FREETYPE_PATCH): Set to 0. + + * builds/unix/configure.raw (version_info): Set to 20:0:14. + * CMakeLists.txt (VERSION_MINOR): Set to 8. + (VERSION_PATCH): Set to 0. + +2017-05-12 Hin-Tak Leung <htl10@users.sourceforge.net> + + Fix `FT_UINT_TO_POINTER' macro for Windows. + + * builds/unix/ftconfig.in, builds/vms/ftconfig.h, + include/freetype/config/ftconfig.h (FT_UINT_TO_POINTER) [_WIN64]: + Fix definition. + +2017-05-11 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Chakma script. + + * src/autofit/afblue.dat: Add blue zone data for Chakma. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Chakma standard character. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Chakma data. + +2017-05-10 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Kayah Li script. + + * src/autofit/afblue.dat: Add blue zone data for Kayah Li. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Kayah Li standard character. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Kayah Li data. + +2017-05-10 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Bamum script. + + * src/autofit/afblue.dat: Add blue zone data for Bamum. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Bamum standard character. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Bamum data. + +2017-05-10 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Saurashtra script. + + * src/autofit/afblue.dat: Add blue zone data for Saurashtra. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Saurashtra standard character. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Saurashtra + data. + +2017-05-10 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Buhid script. + + * src/autofit/afblue.dat: Add blue zone data for Buhid. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Buhid standard character. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Buhid data. + +2017-05-08 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Shavian script. + + * src/autofit/afblue.dat: Add blue zone data for Shavian. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Shavian standard character. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Shavian data. + +2017-05-08 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Vai script. + + * src/autofit/afblue.dat: Add blue zone data for Vai. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Vai standard character. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Vai data. + +2017-05-08 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Osmanya script. + + * src/autofit/afblue.dat: Add blue zone data for Osmanya. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Osmanya standard character. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Osmanya data. + +2017-05-08 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Coptic script. + + * src/autofit/afblue.dat: Add blue zone data for Coptic. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Coptic standard character. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Coptic data. + +2017-05-08 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Carian script. + + * src/autofit/afblue.dat: Add blue zone data for Carian. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Carian standard character. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Carian data. + +2017-05-07 Werner Lemberg <wl@gnu.org> + + [truetype] Add tricky font `DFGirl-W6-WIN-BF' (from Dynalab). + + Reported by Roy Tam <roytam@gmail.com>. + + * src/truetype/ttobjs.c (tt_check_trickyness_family): Implement it. + +2017-05-07 Roy Tam <roytam@gmail.com> + Werner Lemberg <wl@gnu.org> + + [truetype] More tricky fonts (mainly from Dynalab). + + * src/truetype/ttobjs.c (tt_check_trickyness_family, + tt_check_trickyness_sfnt_ids): Add them. + +2017-05-07 Werner Lemberg <wl@gnu.org> + + [truetype] Add tricky font `DLCHayMedium' (from Dynalab). + + Reported by Roy Tam <roytam@gmail.com>. + + * src/truetype/ttobjs.c (tt_check_trickyness_family): Implement it. + +2017-05-03 Werner Lemberg <wl@gnu.org> + + */*: s/backwards compatibility/backward compatibility/. + +2017-05-03 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Unified Canadian Syllabics script. + + * src/autofit/afblue.dat: Add blue zone data for Unified Canadian + Syllabics. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Unified Canadian Syllabics standard + character. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Unified + Canadian Syllabics data. + +2017-05-03 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org> + + [autofit] Add blue-zone support for Sundanese script. + + This essentially moves the Sundanese script from the `Indic' hinter + to the `Latin' hinter. + + * src/autofit/afblue.dat: Add blue zone data for Sundanese. + + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Sundanese standard character and move + data out of AF_CONFIG_OPTION_INDIC block. + + * src/autofit/afranges.c: Move Sundanese data out of + AF_CONFIG_OPTION_INDIC block. + + * src/autofit/afstyles.h: Update Sundanese data; in particular, use + AF_WRITING_SYSTEM_LATIN. + +2017-05-03 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Avestan script. + + * src/autofit/afblue.dat: Add blue zone data for Avestan. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Avestan standard character. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Avestan data. + +2017-05-02 Behdad Esfahbod <behdad@behdad.org> + + [truetype] Make `IUP' gvar deltas do the same as Apple (#50832). + + When points are not touched by gvar interpolation deltas, FreeType + gave a slightly different result than Apple's CoreText. + + The OpenType working group will update the specification to document + the following behaviour: If the two points with deltas to the `left' + and `right' of the untouched point have the same coordinate, then + the inferred delta for the untouched point should be zero. + + * src/truetype/ttgxvar.c (tt_delta_interpolate): Implement new + behaviour. + +2017-05-02 Werner Lemberg <wl@gnu.org> + + [autofit] Remove `slight' auto-hint mode again. + + A poll on freetype-devel favoured changes directly applied to + `light'. + + * include/freetype/freetype.h (FT_LOAD_TARGET_SLIGHT, + FT_RENDER_MODE_SLIGHT): Removed. + + * src/autofit/afcjk.c (af_cjk_hints_init), src/autofit/aflatin.c + (af_latin_hints_init), src/autofit/aflatin2.c + (af_latin2_hints_init): Revert change from 2017-04-22. + + * src/autofit/afloader.c (af_loader_load_glyph) Remove references to + FT_RENDER_MODE_SLIGHT. + [AF_CONFIG_OPTION_TT_SIZE_METRICS]: Enable TrueType-like metrics + unconditionally. + + * src/base/ftadvanc.c (LOAD_ADVANCE_FAST_CHECK): Revert change from + 2017-04-22. + + * src/base/ftobjs.c (FT_Load_Glyph): Revert change from 2017-04-22. + + * src/pshinter/pshalgo.c (ps_hints_apply): Revert change from + 2017-04-22. + + * src/smooth/ftsmooth.c (ft_smooth_render): Revert change from + 2017-04-22. + + * docs/CHANGES: Updated. + +2017-04-30 Werner Lemberg <wl@gnu.org> + + [autofit] Fix metrics computation. + + Problem reported by Markus Trippelsdorf <markus@trippelsdorf.de> and + Nikolaus Waxweiler <madigens@gmail.com>. + + * src/base/ftobjs.c (FT_Request_Size): Trigger recomputation of + auto-hinter metrics. Without this change, multiple size changing + calls for a single face fail. + +2017-04-29 Werner Lemberg <wl@gnu.org> + + * src/truetype/ttdriver.c (tt_size_request): Properly check `error'. + + Reported by Earnestly <zibeon@googlemail.com> in + + http://lists.nongnu.org/archive/html/freetype/2017-04/msg00031.html + +2017-04-27 Werner Lemberg <wl@gnu.org> + + Introduce AF_CONFIG_OPTION_TT_SIZE_METRICS configuration option. + + * include/freetype/config/ftoption.h + (AF_CONFIG_OPTION_TT_SIZE_METRICS): New option, commented out by + default. + + * src/autofit/afloader.c (af_loader_load_glyph): Use + AF_CONFIG_OPTION_TT_SIZE_METRICS to guard the corresponding code. + +2017-04-26 Werner Lemberg <wl@gnu.org> + + * include/freetype/freetype.h (FT_Render_Mode): Fix order. + + This retains backward compatibility. + + Noted by Alexei. + +2017-04-22 Werner Lemberg <wl@gnu.org> + + [truetype] Do linear scaling for FT_LOAD_NO_HINTING (#50470). + + * src/truetype/ttobs.h (TT_SizeRec): Add field `hinted_metrics' to + hold hinted metrics. + Make `metrics' a pointer so that `tt_glyph_load' can easily switch + between metrics. + + * src/truetype/ttdriver.c (tt_size_request): Updated. + (tt_glyph_load): Use top-level metrics if FT_LOAD_NO_HINTING is + used. + + * src/truetype/ttgload.c (TT_Hint_Glyph, TT_Process_Simple_Glyph, + TT_Process_Composite_Component, load_truetype_glyph, + compute_glyph_metrics, TT_Load_Glyph): Updated. + + * src/truetype/ttinterp.c (TT_Load_Context): Updated. + + * src/truetype/ttobjs.c (tt_size_reset): Updated. + + * src/truetype/ttsubpix.c (sph_set_tweaks): Updated. + +2017-04-22 Werner Lemberg <wl@gnu.org> + + Add new `slight' auto-hinting mode. + + This mode uses fractional advance widths and doesn't scale glyphs + horizontally, only applying vertical scaling and hinting. + + At the same time, the behaviour of the `light' auto-hinter gets + restored for backward compatibility: Both vertical and horizontal + scaling is again based on rounded metrics values (this was changed + in a commit from 2017-03-30 as a side effect). To be more precise, + the behaviour is restored for TrueType fonts only; for other font + formats like Type 1, this is a new feature of the `light' hinting + mode. + + * include/freetype/freetype.h (FT_LOAD_TARGET_SLIGHT): New macro. + (FT_RENDER_MODE_SLIGHT): New render mode. + + * include/freetype/internal/ftobjs.h (FT_Size_InternalRec): Add + `autohint_mode' and `autohint_metrics' fields. + + * src/autofit/afcjk.c (af_cjk_hints_init), src/autofit/aflatin.c + (af_latin_hints_init), src/autofit/aflatin2 (af_latin2_hints_init): + Updated. + + * src/autofit/afloader.c (af_loader_embolden_glyph_in_slot): Use + `autohint_metrics'. + (af_loader_load_glyph): s/internal/slot_internal/. + Initialize `autohint_metrics' and `autohint_mode' depending on + current auto-hint mode. + Use `autohint_metrics'. + Updated. + + * src/base/ftadvanc.c (LOAD_ADVANCE_FAST_CHECK): Updated. + + * src/base/ftobjs.c (FT_Load_Glyph): Updated. + (FT_New_Size): Allocate `internal' object. + + * src/pshinter/pshalgo.c (ps_hints_apply): Updated. + + * src/smooth/ftsmooth.c (ft_smooth_render): Updated. + +2017-04-22 Werner Lemberg <wl@gnu.org> + + Introduce `FT_Size_InternalRec' structure. + + We are going to extend this later on. + + * include/freetype/internal/ftobjs.h (FT_Size_InternalRec): New + structure with a single field `module_data'. + + * src/base/ftobjs.c (FT_New_Size): Allocate `internal' field of + `FT_Size' structure. + + * src/cff/cffgload.c (cff_builder_init, cff_decoder_prepare): Use + `size->internal->module_data' instead of `size->internal'. + + * src/cff/cffobjs.c (cff_size_done): Deallocate `module_data'. + (cff_size_init, cff_size_select, cff_size_request): Use + `size->internal->module_data' instead of `size->internal'. + + * src/cif/cidobjs.c (cid_size_done, cid_size_init, + cid_size_request): Use `size->internal->module_data' instead of + `size->internal'. + + * src/psaux/psobjs.c (t1_builder_ini): Use + `size->internal->module_data' instead of `size->internal'. + + * src/type1/t1objs.c (T1_Size_Done, T1_Size_Init, T1_Size_Request): + Use `size->internal->module_data' instead of `size->internal'. + +2017-04-21 Alexei Podtelezhnikov <apodtele@gmail.com> + + * src/smooth/ftsmooth.h: Remove unused guards and declaration. + +2017-04-16 Hin-Tak Leung <htl10@users.sourceforge.net> + + Fix tracing messages. + + * src/base/ftobjs.c (FT_Face_GetCharVariantIndex, + FT_Face_GetCharVariantIsDefault, FT_Face_GetVariantsOfChar): Print + correct function name. + +2017-04-08 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Old Turkic script. + + * src/autofit/afblue.dat: Add blue zone data for Old Turkic. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Old Turkic standard characters. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Old Turkic data. + +2017-04-08 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Gothic script. + + * src/autofit/afblue.dat: Add blue zone data for Gothic. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Gothic standard characters. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Gothic data. + +2017-04-08 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Cypriot script. + + * src/autofit/afblue.dat: Add blue zone data for Cypriot. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Cypriot standard characters. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Cypriot data. + +2017-04-08 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Deseret script. + + * src/autofit/afblue.dat: Add blue zone data for Deseret. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Deseret standard characters. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Deseret data. + +2017-04-07 Werner Lemberg <wl@gnu.org> + + [autofit] Fix invalid character range description (#50745). + + Also reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1034 + + * src/autofit/afranges.c (af_glag_nonbase_uniranges): Fix typo in + recent commit. + +2017-04-07 Werner Lemberg <wl@gnu.org> + + [ftfuzzer] Fix clang warnings. + + * src/tools/ftfuzzer/ftfuzzer.cc (LLVMFuzzerTestOneInput): Add + casts. + +2017-04-06 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Lisu script. + + * src/autofit/afblue.dat: Add blue zone data for Lisu. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Lisu standard characters. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Lisu data. + +2017-04-06 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Osage script. + + * src/autofit/afblue.dat: Add blue zone data for Osage. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Osage standard characters. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Osage data. + +2017-04-06 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Glagolitic script. + + * src/autofit/afblue.dat: Add blue zone data for Glagolitic. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Glagolitic standard characters. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Glagolitic data. + +2017-04-06 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Tai Viet script. + + * src/autofit/afblue.dat: Add blue zone data for Tai Viet. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Tai Viet standard characters. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Tai Viet data. + +2017-04-06 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for Tifinagh script. + + * src/autofit/afblue.dat: Add blue zone data for Tifinagh. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Tifinagh standard characters. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Tifinagh data. + +2017-04-06 Sascha Brawer <sascha@google.com> + Werner Lemberg <wl@gnu.org + + [autofit] Add support for N'Ko script. + + * src/autofit/afblue.dat: Add blue zone data for N'Ko. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add N'Ko standard characters. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add N'Ko data. + +2017-04-06 Sascha Brawer <sascha@google.com> + + [autofit] Add support for Adlam script. + + * src/autofit/afblue.dat: Add blue zone data for Adlam. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Adlam standard characters. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Adlam data. + +2017-04-06 Sascha Brawer <sascha@google.com> + + [autofit] Add support for Ol Chiki script. + + * src/autofit/afblue.dat: Add blue zone data for Ol Chiki. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + + * src/autofit/afscript.h: Add Ol Chiki standard character. + + * src/autofit/afranges.c, src/autofit/afstyles.h: Add Ol Chiki data. + +2017-04-03 Werner Lemberg <wl@gnu.org> + + [truetype] Avoid reexecution of `fpgm' and `prep' in case of error. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=981 + + * include/freetype/fterrdef.h (FT_Err_DEF_In_Glyf_Bytecode): New + error code. + + * src/truetype/ttinterp.c (Ins_FDEF, Ins_IDEF): Prohibit execution + of these two opcodes in `glyf' bytecode. + (TT_RunIns): Don't enforce reexecution of `fpgm' and `prep' bytecode + in case of error since function tables can no longer be modified + (due to the changes in `Ins_FDEF' and `Ins_IDEF'). This change can + enormously speed up handling of broken fonts. + +2017-04-02 Alexei Podtelezhnikov <apodtele@gmail.com> + + [autofit] Disable metrics adjustment for `FT_LOAD_TARGET_LCD'. + + * src/autofit/aflatin.c (af_latin_hints_init): Updated. + * src/autofit/aflatin2.c (af_latin2_hints_init): Ditto. + +2017-04-01 Werner Lemberg <wl@gnu.org> + + * src/truetype/ttgload.c: Include FT_CONFIG_CONFIG_H. + + Otherwise FT_UINT_TO_POINTER might not be defined. + + Problem reported by Alexei. + +2017-03-31 Alexei Podtelezhnikov <apodtele@gmail.com> + + [autofit] Disable stem adjustment for `FT_LOAD_TARGET_LCD'. + + * include/freetype/freetype.h (FT_LOAD_TARGET_LCD): Document it. + * src/autofit/afcjk.c (af_cjk_hints_init): Updated. + * src/autofit/aflatin.c (af_latin_hints_init): Ditto. + * src/autofit/aflatin2.c (af_latin2_hints_init): Ditto. + +2017-03-31 Werner Lemberg <wl@gnu.org> + + * src/cff/cffload.c (cff_font_load): Improve fix from 2017-01-04. + + Allow CFFs containing a single font to have an empty font name. + + Problem reported by 張俊芝 <418092625@qq.com> in + + http://lists.nongnu.org/archive/html/freetype-devel/2017-03/msg00074.html + +2017-03-30 Werner Lemberg <wl@gnu.org> + + * src/cff/cffparse.h (CFF2_DEFAULT_STACK): Set to 513 also. + + Requested by Dave Arnold. + +2017-03-30 Werner Lemberg <wl@gnu.org> + + [truetype] Fix HVAR and VVAR handling (#50678). + + * src/truetype/ttgxvar.c (tt_hvadvance_adjust): Handle + glyph indices larger than `mapCount' as described in the + specification. + +2017-03-30 Werner Lemberg <wl@gnu.org> + + [truetype] Allow linear scaling for unhinted rendering (#50470). + + * src/truetype/ttdriver.c (tt_size_request): Revert change from + 2011-07-16; the intended metrics fix seems now to be implemented in + a different way, making the patch unnecessary. Note that this + change was usually patched out by all major GNU/Linux distributions + due to heavy side effects. + + * src/truetype/ttgload.c (compute_glyph_metrics, TT_Load_Glyph): + Refer to the metrics of the `TT_Size' object. + +2017-03-29 Werner Lemberg <wl@gnu.org> + + [truetype] Fix thinko related to PS name of default named instance. + + * src/truetype/ttgxvar.c (TT_Get_MM_Var): `strid' and `psid' are + name ID values, not indices into the array of name entries. + +2017-03-27 Werner Lemberg <wl@gnu.org> + + [cid, truetype] Don't use `index' as a variable name. + + At least on FreeBSD there is a global declaration of `index' in file + `/usr/include/strings.h'. + + * src/cff/cf2intrp.c, src/truetype/ttgload.c: s/index/idx/ where + appropriate. + +2017-03-27 Wojciech Mamrak <wmamrak@gmail.com> + + [sfnt] Minor improvement for handling kern tables. + + * src/sfnt/ttkern.c (tt_face_load_kern): Don't check for + cross-stream kerning tables since we reject format 2 tables later + on anyways. + Modify code for limit test... + (tt_face_get_kerning): ... to avoid a limit test here. + +2017-03-27 Werner Lemberg <wl@gnu.org> + + [pcf] Fix compiler warnings. + + Reported by Alexander Hedges <ahedges@student.ethz.ch>. + + * src/pcf/pcfdrivr.c (pcf_property_set, pcf_property_get): Tag + `property_name' with `FT_UNUSED' where necessary. + +2017-03-26 Werner Lemberg <wl@gnu.org> + + * src/psaux/psobjs.c (t1_builder_close_contour): Add safety guard. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=941 + +2017-03-23 Werner Lemberg <wl@gnu.org> + + [psaux] Better protect `flex' handling. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=935 + + * src/psaux/t1decode.c (t1_decoder_parse_charstrings) + <callothersubr>: Since there is not a single flex operator but a + series of subroutine calls, malformed fonts can call arbitrary other + operators after the start of a flex, possibly adding points. For + this reason we have to check the available number of points before + inserting a point. + +2017-03-23 Werner Lemberg <wl@gnu.org> + + [sfnt] Fix check for default named instance. + + * src/sfnt/sfobjs.c (sfnt_init_face): A `fixed' number needs four + bytes, not two... + +2017-03-23 Werner Lemberg <wl@gnu.org> + + Make MM fonts work (again). + + * src/base/ftmm.c (FT_Set_Var_Design_Coordinates, + FT_Set_MM_Blend_Coordinates, FT_Set_Var_Blend_Coordinates): Ignore + return value of `ft_face_get_mvar_service'; instead, check whether a + service is actually returned. + +2017-03-20 Werner Lemberg <wl@gnu.org> + + [truetype] Some variable renamings. + + Too much local variables holding different structures were called + `metrics'. + + * src/truetype/ttdriver.c (tt_size_select): s/metrics/size_metrics/. + + * src/truetype/ttgload.c (tt_get_metrics_incr_overrides, + compute_glyph_metrics): s/metrics/incr_metrics/. + (load_sbit_image): s/metrics/sbit_metrics/. + + * src/truetype/ttobjs.c (tt_size_run_fpgm): s/metrics/size_metrics/. + (tt_size_init_bytecode): s/metrics/tt_metrics/. + (tt_size_reset): s/metrics/size_metrics/. + +2017-03-20 Werner Lemberg <wl@gnu.org> + + [sfnt] Don't add instances to non-variation fonts. + + * src/sfnt/sfobjs.c (sfnt_init_face): Fix it. + +2017-03-20 Werner Lemberg <wl@gnu.org> + + * src/cff/cffgload.c (cff_builder_init): Add safety guard (#50578). + +2017-03-18 Werner Lemberg <wl@gnu.org> + + Introduce FT_UINT_TO_POINTER macro (#50560). + + We have to make a separate case for Windows 64's LLP64 data model. + + * builds/unix/ftconfig.in, builds/vms/ftconfig.h, + include/freetype/config/ftconfig.h (FT_UINT_TO_POINTER): New macro. + + * src/truetype/ttgload.c (load_truetype_glyph): Use it. + +2017-03-18 Werner Lemberg <wl@gnu.org> + + * src/truetype/ttinterp.c (TT_RunIns): Adjust loop counter (#50573). + + The problematic font that exceeds the old limit is Lato-Regular, + version 2.007, containing bytecode generated by a buggy version of + ttfautohint. + +2017-03-18 Werner Lemberg <wl@gnu.org> + + [truetype] Another limitation for bytecode loop count maximum. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=900 + + * src/truetype/ttinterp.c (TT_RunIns): Limit `loopcall_counter_max' + by number of glyphs also. + +2017-03-18 Werner Lemberg <wl@gnu.org> + + [ftfuzzer] Minor improvement. + + * src/tools/ftfuzzer/ftfuzzer.cc: Don't set intermediate axis if + bitmap strikes are active. + +2017-03-18 Werner Lemberg <wl@gnu.org> + + Improve `make multi'. + + * src/autofit/aflatin2.c: Guard file with FT_OPTION_AUTOFIT2. + + * src/base/ftmac.c: Guard more parts of the file with FT_MACINTOSH. + + * src/psaux/afmparse.c: Guard file with T1_CONFIG_OPTION_NO_AFM. + + * src/sfnt/pngshim.c: Guard file with + TT_CONFIG_OPTION_EMBEDDED_BITMAPS also. + + * src/sfnt/ttbdf.c: Avoid empty source file. + * src/sfnt/ttpost.c: Guard file with + TT_CONFIG_OPTION_POSTSCRIPT_NAMES. + * src/sfnt/ttsbit.c: Guard file with + TT_CONFIG_OPTION_EMBEDDED_BITMAPS. + + * src/truetype/ttgxvar.c, src/truetype/ttinterp.c: Avoid empty + source file. + + * src/truetype/ttsubpix.c: Guard file with + TT_USE_BYTECODE_INTERPRETER also. + + * src/type1/t1afm.c: Guard file with T1_CONFIG_OPTION_NO_AFM. + + * src/autofit/autofit.c, src/base/ftbase.c, src/cache/ftcache.c, + src/cff/cff.c, src/cid/type1cid.c, src/gxvalid/gxvalid.c, + src/pcf/pcf.c, src/pfr/pfr.c, src/psaux/psaux.c, + src/pshinter/pshinter.c, src/psnames/psnames.c, src/raster/raster.c, + src/sfnt/sfnt.c, src/smooth/smooth.c, src/truetype/truetype.c, + src/type1/type1.c, src/type42/type42.c: Remove conditionals; sort + entries. + +2017-03-17 Werner Lemberg <wl@gnu.org> + + Fixes for conditional compilation. + + * src/autofit/afcjk.c, src/autofit/afindic.c: Include `afcjk.h' + earlier. + + * src/sfnt/sfobjs.c (sfnt_init_face): Put `memory' variable into + TT_CONFIG_OPTION_GX_VAR_SUPPORT block. + (sfnt_done_face): Protect some code with + TT_CONFIG_OPTION_GX_VAR_SUPPORT. + + * src/sfnt/ttsbit.c (tt_face_load_sbix_image): Remove compiler + warning. + + * src/truetype/ttgload.c (TT_Load_Simple_Glyph): Put `tmp' variable + into TT_USE_BYTECODE_INTERPRETER block. + + (tt_loader_init): Put `error' variable into + TT_USE_BYTECODE_INTERPRETER block. + +2017-03-17 Werner Lemberg <wl@gnu.org> + + Fix preprocessor warning. + + * devel/ftoption.h, include/freetype/config/ftoption.h: Test whether + TT_CONFIG_OPTION_SUBPIXEL_HINTING is defined before checking its + value. + +2017-03-17 Werner Lemberg <wl@gnu.org> + + `make multi' fixes; compiler warnings. + + * src/base/ftsnames.c: Include FT_INTERNAL_DEBUG_H. + + * src/cff/cffobjs.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include + FT_MULTIPLE_MASTERS_H and FT_SERVICE_MULTIPLE_MASTERS_H. + + * src/sfnt/sfdriver.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include + FT_MULTIPLE_MASTERS_H and FT_SERVICE_MULTIPLE_MASTERS_H. + (get_win_string, get_apple_string): Initialize `result'. + +2017-03-17 Dave Arnold <darnold@adobe.com> + + [cff] Fix potential bugs in default NDV for CFF2. + + * src/cff/cffload.c (cff_blend_build_vector): Explicitly build blend + vector when `lenNDV' is zero; don't rely on zero-init. + Save `lenNDV' as part of cache key even when `lenNDV' is zero. + +2017-03-17 Dave Arnold <darnold@adobe.com> + + [cff] Fix CFF2 stack allocation. + + * src/cff/cffparse.c (cff_parser_init) add 1 for operator. + +2017-03-16 Werner Lemberg <wl@gnu.org> + + * src/truetype/ttgxvar.c (tt_done_blend): Free `vvar_table'. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=883 + +2017-03-15 Werner Lemberg <wl@gnu.org> + + Remove clang compiler warnings (#50548). + + * include/freetype/internal/tttypes.h (TT_FaceRec): Make + `var_postscript_prefix_len' unsigned. + + * src/autofit/afwarp.c (af_warper_compute_line_best): Remove + redundant assignment. + + * src/cff/cffload.c (cff_subfont_load): Add casts. + + * src/cff/cffparse.c (cff_parse_blend): Remove redundant assignment. + + * src/sfnt/sfdriver.c (fmix32, murmur_hash_3_128): Add `static' + keyword. + Add casts. + (fixed2float): Add cast. + (sfnt_get_var_ps_name): Make `p' always initialized. + Add casts. + + * src/truetype/ttgxvar.c (TT_Get_MM_Var): Add casts. + +2017-03-15 Werner Lemberg <wl@gnu.org> + + [ftfuzzer] Limit number of tested faces and instances. + + This is inspired by the discussion in and analysis of + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=859 + + * src/tools/ftfuzzer/ftfuzzer.cc (LLVMFuzzerTestOneInput): Use only + up to 20 face indices. + Use only up to 20 instance indices. + +2017-03-15 Werner Lemberg <wl@gnu.org> + + * src/tools/ftfuzzer/ftfuzzer.cc: Improve readability; formatting. + +2017-03-14 Werner Lemberg <wl@gnu.org> + + [sfnt] Implement PS names for font instances [3/3]. + + Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. + + * include/freetype/internal/tttypes.h (TT_FaceRec): New fields + `var_postscript_prefix' and `var_postscript_prefix_len'. + + * src/sfnt/sfdriver.c: Include FT_TRUETYPE_IDS_H. + (sfnt_is_alphanumeric): New wrapperfunction for `ft_isalnum'. + (get_win_string, get_apple_string): Remove `const' from return + value. + (MAX_VALUE_DESCRIPTOR_LEN, MAX_PS_NAME_LEN): New macros. + (hexdigits): New array. + (sfnt_get_var_ps_name): New function, implementing Adobe TechNote + 5902 to construct a PS name for a variation font instance. + (sfnt_get_ps_name): Call `sfnt_get_var_ps_name' for font instances. + + * src/sfnt/sfobjs.c (sfnt_done_face): Updated. + + * src/truetype/ttgxvar.c (tt_set_mm_blend): Reset + `face->postscript_name' to trigger recalculation for new instance + parameters. + +2017-03-14 Werner Lemberg <wl@gnu.org> + + [sfnt] Implement PS names for font instances [2/3]. + + * src/sfnt/sfdriver.c (fix2float) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: + New function to find the shortest representation of a 16.16 + fractional number. + +2017-03-14 Werner Lemberg <wl@gnu.org> + + [sfnt] Implement PS names for font instances [1/3]. + + Add 128bit MurmurHash 3 function. + + Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. + + * src/sfnt/sfdriver.c (ROTL32): New macro. + (fmix32, murmur_hash_3_128): New functions. + +2017-03-13 Werner Lemberg <wl@gnu.org> + + [truetype] Ignore invalid MVAR tags. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=838 + + * src/truetype/ttgxvar.c (ft_var_load_mvar): Ignore value and emit + warning for invalid tags. + (tt_apply_mvar): Ignore invalid tags. + +2017-03-12 Werner Lemberg <wl@gnu.org> + + [truetype] Store and use design coordinates also. + + * include/freetype/internal/services/svmm.h (FT_Get_Var_Blend_Func): + Add `normalizedcoords' argument. + + * src/truetype/ttgxvar.h (GX_BlendRec): Add `coords' field to store + the design coordinates of the current instance. + Updated. + + * src/truetype/ttgxvar.c (TT_Set_MM_Blend): Move functionality to... + (tt_set_mm_blend): ... New function. + Convert data in `normalizedcoords' array to `coords' array on + demand. + (TT_Set_Var_Design): Store argument data in `coords' array. + (TT_Get_Var_Design): Get data from `coords' array. + (tt_get_var_blend): Updated. + (tt_done_blend): Updated. + + * src/cff/cffload.c, src/cff/cffload.h (cff_get_var_blend): Updated. + + * src/cff/cf2ft.c (cf2_getNormalizedVector): Updated. + + * src/cff/cffobjs.c (cff_face_init): Updated. + +2017-03-12 Werner Lemberg <wl@gnu.org> + + src/truetype/ttgxvar.[ch]: s/avar_checked/avar_loaded/. + +2017-03-08 Werner Lemberg <wl@gnu.org> + + [sfnt] Another fix for buggy variation fonts. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=759 + + * src/sfnt/sfobjs.c (sfnt_init_face): While setting number of + instances to zero for `CFF' fonts table, ensure that there is no + `CFF2' present also (which gets priority). + +2017-03-07 Werner Lemberg <wl@gnu.org> + + [sfnt] Improve handling for buggy variation fonts. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=738 + + * src/sfnt/sfobjs.c (sfnt_init_face): While setting number of + instances to zero for `CFF' fonts table, ensure that there is no + `glyf' table present also (which gets priority). + +2017-03-06 Werner Lemberg <wl@gnu.org> + + [sfnt, truetype] Always provide default instance. + + As documented in the OpenType specification, an entry for the + default instance may be omitted in the named instance table. In + particular this means that even if there is no named instance table + in the font we actually do have a named instance, namely the default + instance. + + For consistency, we always want the default instance in our list of + named instances. If it is missing, we try to synthesize it. + + * src/sfnt/sfobjs.c (sfnt_init_face): Check whether the default + instance is in the table of named instances. Otherwise adjust + number of instances. + + * src/truetype/ttgxvar.c: Include FT_TRUETYPE_IDS_H. + (TT_Get_MM_Var): Use `face->root.style_flags' as the number of named + instances. + Sythesize a named instance entry if necessary. + (tt_done_blend): Free `normalized_stylecoords'. + +2017-03-05 Werner Lemberg <wl@gnu.org> + + [sfnt] Remove redundant code. + + * src/sfnt/sfobjs.c (sfnt_init_face): Remove second test for + `num_instances', which will always succeed. + +2017-03-04 Werner Lemberg <wl@gnu.org> + + [sfnt] Add `get_name_id' service. + + * include/freetype/internal/sfnt.h (TT_Get_Name_ID_Func): New + typedef. + (SFNT_Interface): Add `get_name_id' field. + (FT_DEFINE_SFNT_INTERFACE): Updated. + + * src/sfnt/sfdriver.c (search_name_id): Rename to... + (sfnt_get_name_id): ... this. + (sfnt_get_ps_name, sfnt_interface): Udpated. + +2017-03-04 Werner Lemberg <wl@gnu.org> + + [truetype] Make `TT_Set_MM_Blend' set named instance index. + + * src/truetype/ttgxvar.h (GX_Blend): New array + `normalized_stylecoords'. + + * src/truetype/ttgxvar.c (TT_Get_MM_Var): Allocate and fill + `normalized_stylecoords'. + (TT_Set_MM_Blend): Check instance tuple and adjust `face_index' + accordingly. + +2017-03-02 Werner Lemberg <wl@gnu.org> + + [truetype] Split off designer/normalized conversion routines. + + * src/truetype/ttgxvar.c (TT_Set_Var_Design): Split off conversion + code designer->normalized coordinates to... + (ft_var_to_normalized): ... New function. + (TT_Get_Var_Design): Split off conversion code normalized->designer + coordinates to... + (ft_var_to_design): ... New function. + +2017-02-28 Werner Lemberg <wl@gnu.org> + + [sfnt] Further generalize `sfnt_get_ps_name'; report invalid data. + + * src/sfnt/sfdriver.c (sfnt_ps_map): New array. + (sfnt_is_postscript): New function. + (char_type_func): New typedef. + (get_win_string, get_apple_string): Add argument to specify + character checking function. + Add argument whether argument checking failures should be reported. + Update callers. + (search_name_id): Fix return value. + +2017-02-23 Werner Lemberg <wl@gnu.org> + + [sfnt] Split off another bit of `sfnt_get_ps_name'. + + * src/sfnt/sfdriver.c (sfnt_get_ps_name): Split off some + functionality into... + (search_name_id): ... New function. + +2017-02-23 Werner Lemberg <wl@gnu.org> + + [sfnt] Modularize `sfnt_get_ps_name'. + + * src/sfnt/sfdriver.c (sfnt_get_ps_name): Split off some + functionality into... + (IS_WIN, IS_APPLE): ... New macros. + (get_win_string, get_apple_string): ... New functions. + +2017-02-23 Werner Lemberg <wl@gnu.org> + + [truetype] Minor improvement. + + * src/truetype/ttgload.c (TT_Process_Simple_Glyph, + load_truetype_glyph): Remove unnecessary tests. + +2017-02-23 Werner Lemberg <wl@gnu.org> + + * include/freetype/internal/tttypes.h (TT_Face): s/isCFF2/is_cff2/. + + For orthogonality with other structure field names. + + Update all users. + +2017-02-22 Alexei Podtelezhnikov <apodtele@gmail.com> + + * src/smooth/ftgrays.c (gray_hline): Improve code. + +2017-02-20 Dominik Röttsches <drott@google.com> + + Fix some `ttnameid.h' entries (#50313). + + * include/freetype/ttnameid.h: + s/TT_MS_LANGID_SPANISH_INTERNATIONAL_SORT/TT_MS_LANGID_SPANISH_SPAIN_INTERNATIONAL_SORT/, + s/TT_MS_LANGID_MONGOLIAN_MONGOLIA_MONGOLIA/TT_MS_LANGID_MONGOLIAN_MONGOLIA_MONGOLIAN/. + +2017-02-20 Werner Lemberg <wl@gnu.org> + + [cff] Finish support for `random' operator. + + * src/cff/cfftypes.h (CFF_SubFontRec): Add `random' field. + + * src/cff/cffobjs.c: Updated. + (cff_driver_init): Initialize random seed value. + + * src/cff/cffload.c (cff_random): New function. + (cff_subfont_load): Add `face' argument. + Update all callers. + Initialize random number generator with a proper seed value. + (cff_font_load): Add `face' argument. + Update all callers. + + * src/cff/cffload.h: Updated. + + * src/cff/cf2intrp.c (CF2_FIXME): Removed. + (cf2_interpT2CharString) <cf2_escRANDOM>: Implement opcode. + + * src/cff/cffgload.c (cff_decoder_parse_charstrings): Don't + initialize random seed value. + <cff_op_random>: Use new random seed framework. + +2017-02-20 Werner Lemberg <wl@gnu.org> + + [cff] Sanitize `initialRandomSeed'. + + * src/cff/cffload.c (cff_load_private_dict): Make + `initial_random_seed' value always positive. + +2017-02-20 Werner Lemberg <wl@gnu.org> + + [cff] Introduce `random-seed' property (2/2). + + * src/base/ftobjs.c: Include `FT_CFF_DRIVER_H'. + (open_face): Initialize `face->internal->random_seed'. + (FT_Face_Properties): Handle `FT_PARAM_TAG_RANDOM_SEED'. + + * src/cff/cffdrivr.c (cff_property_set): Handle `random-seed' + property. + +2017-02-20 Werner Lemberg <wl@gnu.org> + + [cff] Introduce `random-seed' property (1/2). + + We need this for support of the `random' operator. + + * include/freetype/ftcffdrv.h (FT_PARAM_TAG_RANDOM_SEED): New macro. + + * include/freetype/internal/ftobjs.h (FT_Face_InternalRec): New + field `random_seed'. + + * src/cff/cffobjs.h (CFF_DriverRec): New field `random_seed'. + +2017-02-17 Werner Lemberg <wl@gnu.org> + + Remove clang warnings. + + * src/autofit/aflatin.c (af_latin_sort_blue): Add missing `static' + keyword. + + * src/base/ftmm.c (FT_Set_Var_Design_Coordinates, + FT_Set_MM_Blend_Coordinates, FT_Set_Var_Blend_Coordinates): + Initialize some variables. + +2017-02-16 Nikolaus Waxweiler <madigens@gmail.com> + Werner Lemberg <wl@gnu.org> + + Add face property for stem darkening. + + * include/freetype/ftautoh.h (FT_PARAM_TAG_STEM_DARKENING): New + macro. + + * include/freetype/internal/ftobjs.h (FT_Face_InternalRec): Add + `no_stem_darkening' field. + + * src/autofit/afloader.c (af_loader_load_glyph), + src/autofit/afmodule.c (af_property_set): Updated. + + * src/base/ftobjs.c: Include FT_AUTOHINTER_H. + (ft_open_face_internal): Updated. + (FT_Face_Properties): Handle FT_PARAM_TAG_STEM_DARKENING. + + * src/cff/cf2ft.c (cf2_decoder_parse_charstrings): Updated. + + * src/cff/cffdrivr.c (cff_property_set): Updated. + +2017-02-16 Nikolaus Waxweiler <madigens@gmail.com> + Werner Lemberg <wl@gnu.org> + + Add face property for LCD filter weights. + + * include/freetype/ftlcdfil.h (FT_PARAM_TAG_LCD_FILTER_WEIGHTS, + FT_LCD_FILTER_FIVE_TAPS): New macros. + (FT_LcdFiveTapFilter): New typedef. + + * include/freetype/ftobjs.h (FT_Face_InternalRec) + [FT_CONFIG_OPTION_SUBPIXEL_RENDERING]: Add `lcd_weights' field. + (FT_Bitmap_LcdFilterFunc): Change third argument to weights array. + (ft_lcd_filter_fir): New prototype. + (FT_LibraryRec): Updated. + + * src/base/ftlcdfil.c (_ft_lcd_filter_fir): Renamed to... + (ft_lcd_filter_fir): ... this base function. + Updated. + (_ft_lcd_filter_legacy): Updated. + (FT_Library_SetLcdFilterWeights, FT_Library_SetLcdFilter): Updated. + + * src/base/ftobjs.c (ft_open_face_internal): Updated. + (FT_Face_Properties): Handle FT_PARAM_TAG_LCD_FILTER_WEIGHTS. + + * src/smooth/ftsmooth.c (ft_smooth_render_generic) + [FT_CONFIG_OPTION_SUBPIXEL_RENDERING]: Handle LCD weights from + `FT_Face_Internal'. + +2017-02-14 Nikolaus Waxweiler <madigens@gmail.com> + Werner Lemberg <wl@gnu.org> + + Add new function `FT_Face_Properties'. + + This commit provides the framework, to be filled with something + useful in the next commits. + + * include/freetype/freetype.h (FT_Face_Properties): Declare. + + * src/base/ftobjs.c (FT_Face_Properties): New function. + +2017-02-13 Werner Lemberg <wl@gnu.org> + + [autofit] Prevent overlapping blue zones. + + Problem reported as + + https://github.com/google/fonts/issues/632 + + The font in question (Nunito) has values 705 and 713 for the + reference and overshoot values, respectively, of the first blue + zone. Blue zone 2, however, has value 710 for both the reference + and overshoot. At 12ppem, reference and overshoot of blue zone 0 + becomes 8px, while blue zone 2 becomes 9px. + + A peculiarity of this font is that the tops of isolated vertical + stems like `N' have a slight overshoot also. The auto-hinter tries + to find the nearest blue zone using the *original* coordinates. For + vertical stems, this is value 713. For normal horizontal tops like + in character `E', this is value 710. Since value 713 is mapped to + 8px but value 710 to 9px, `N' and similar characters are one pixel + higher than `E', which looks very bad. + + This commit sanitizes blue zones to avoid such a behaviour. + + * src/autofit/aflatin.c (af_latin_sort_blue): New function. + (af_latin_metrics_init_blues): Sort blue values and remove overlaps. + +2017-02-12 Alexei Podtelezhnikov <apodtele@gmail.com> + + * src/smooth/ftgrays.c (gray_sweep): Improve code. + +2017-02-06 Werner Lemberg <wl@gnu.org> + + [truetype] Implement `VVAR' table support. + + * src/truetype/ttgxvar.h (GX_HVarTable): Renamed to... + (GX_HVVarTable): ...This. + (GX_Blend): Add fields for `VVAR' table handling. + Other minor updates. + + * src/truetype/ttgxvar.c (ft_var_load_hvar): Renamed to... + (ft_var_load_hvvar): ...This. + Handle VVAR loading also (controlled by an additional parameter). + (tt_hadvance_adjust): Renamed to... + (tt_hvadvance_adjust): ...This. + Handle application of advance height also (controlled by an + additional parameter). + (tt_hadvance_adjust, tt_vadvance_adjust): Wrappers for + `tt_hvadvance_adjust'. + + * src/truetype/ttdriver.c (tt_service_metrics_variations): Updated. + +2017-02-05 Werner Lemberg <wl@gnu.org> + + [autofit] Use better blue zone characters for lowercase latin. + + The number of lowercase characters for computing the top flat blue + zone value was too small (in most cases only `x' and `z'). If one + of the two characters has a large serif, say, it can happen that + FreeType must select between two different values, having a 50% + chance to use the wrong one. As a result, rendering at larger PPEM + values could yield uneven lowercase glyph heights. + + Problem reported by Christoph Koeberlin <christoph@koe.berlin>. + + * src/autofit/afblue.dat (AF_BLUE_STRING_LATIN_SMALL): Replaced + with... + (AF_BLUE_STRING_LATIN_SMALL_TOP, AF_BLUE_STRING_LATIN_SMALL_BOTTOM): + ... New, extended sets. + (AF_BLUE_STRINGSET_LATN): Updated. + + * src/autofit/afblue.c, scr/autofit/afblue.h: Regenerated. + +2017-02-04 Werner Lemberg <wl@gnu.org> + + Make `freetype-config' a wrapper of `pkg-config' if possible. + + Based on ideas taken from + + http://pkgs.fedoraproject.org/cgit/rpms/freetype.git/tree/freetype-multilib.patch + http://pkgs.fedoraproject.org/cgit/rpms/freetype.git/tree/freetype-2.5.3-freetype-config-prefix.patch + + * builds/unix/freetype-config.in: Rewritten. Use `pkg-config' to + set output variables if program is available. + + * docs/CHANGES, docs/freetype-config.1: Updated. + +2017-02-04 Werner Lemberg <wl@gnu.org> + + * builds/unix/unix-def.in (freetype-config): Fix permissions. + +2017-02-03 Werner Lemberg <wl@gnu.org> + + * src/autofit/afglobal.c (af_face_globals_free): Erase useless code. + +2017-02-03 Werner Lemberg <wl@gnu.org> + + * include/freetype/ftgasp.h (FT_GASP_SYMMETRIC_GRIDFIT): Fix value. + + Reported by Behdad. + +2017-02-02 Werner Lemberg <wl@gnu.org> + + [truetype] Fix MVAR post-action handling. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=509 + + * src/truetype/ttobjs.c (tt_size_reset): Do nothing for CFF2. This + is important to make `tt_size_reset_iterator' (called in + `tt_apply_mvar') always work. + +2017-02-02 Werner Lemberg <wl@gnu.org> + + Make compilation with FT_CONFIG_OPTION_PIC work again. + + All code committed here is guarded with `FT_CONFIG_OPTION_PIC'. + + * include/freetype/internal/services/svmetric.h + (FT_DEFINE_SERVICE_METRICSVARIATIONSREC): Remove trailing semicolon. + + * src/autofit/aflatin.c (af_latin_hints_compute_edges, + af_latin_hint_edges): Provide `globals' variable. + + * src/autofit/afloader.c (af_loader_load_glyph): Remove shadowing + variable. + + * src/autofit/afmodule.c (AF_SCRIPT_CLASSES_GET, + AF_STYLE_CLASSES_GET): Redefine. + + * src/autofit/aftypes.h (AF_DEFINE_WRITING_SYSTEM_CLASS): Fix typo. + + * src/cff/cffparse.c (CFF_FIELD_BLEND): Provide it. + + * src/cff/cffpic.h (CffModulePIC): Fix typo. + +2017-01-31 Alexei Podtelezhnikov <apodtele@gmail.com> + + * src/smooth/ftgrays.c (gray_render_scanline): Improve code. + +2017-01-31 Werner Lemberg <wl@gnu.org> + + [cff] Provide metrics variation service interface (#50196). + + Only now I've got an OTF with an HVAR table for testing... + + The code in `ftmm.c' uses `FT_FACE_LOOKUP_SERVICE' to get the + metrics variations interface. However, this didn't work with + `FT_FACE_FIND_GLOBAL_SERVICE' used in `sfnt_init_face'. + + * src/cff/cffdrivr.c: Include FT_SERVICE_METRICS_VARIATIONS_H. + (cff_hadvance_adjust, cff_metrics_adjust): Wrapper functions for + metric service functions from the `truetype' module. + (cff_service_metrics_variations): New service. + (cff_services): Updated. + + * src/cff/cffpic.h (CFF_SERVICE_METRICS_VAR_GET): New macro. + [FT_CONFIG_OPTION_PIC]: Synchronize code. + + * src/sfnt/sfobjs.c (sfnt_init_face): Replace call to + FT_FACE_FIND_GLOBAL_SERVICE with `ft_module_get_service' to always + load the service from the `truetype' module. + +2017-01-31 Werner Lemberg <wl@gnu.org> + + Add framework to support services with 9 functions. + + * include/freetype/internal/ftserv.h (FT_DEFINE_SERVICEDESCREC9): + New macro. + +2017-01-31 Werner Lemberg <wl@gnu.org> + + [base] Fix error handing in MM functions. + + * src/base/ftmm.c (FT_Set_Var_Design_Coordinates, + FT_Set_MM_Blend_Coordinates, FT_Set_Var_Blend_Coordinates): + Implement it. + +2017-01-31 Werner Lemberg <wl@gnu.org> + + [truetype] Fix sanity check for `gvar' table (#50184). + + * src/truetype/ttgxvar.c (ft_var_load_gvar): There might be missing + variation data for some glyphs. + +2017-01-31 Werner Lemberg <wl@gnu.org> + + [autofit] Avoid uninitialized jumps (#50191). + + * src/autofit/afcjk.c (af_cjk_metrics_check_digits), + src/autofit/aflatin.c (af_latin_metrics_check_digits): Initialize + `advance'. + +2017-01-27 Werner Lemberg <wl@gnu.org> + + s/GB2312/PRC/. + + * include/freetype/freetype.h (FT_ENCODING_PRC): New enum value. + (FT_ENCODING_GB2312): Deprecated. + + * include/freetype/ttnameid.h (TT_MS_ID_PRC): New macro. + (TT_MS_ID_GB2312): Deprecated. + + * src/sfnt/sfobjs.c (sfnt_find_encoding): Updated. + + * docs/CHANGES: Updated. + +2017-01-26 Werner Lemberg <wl@gnu.org> + + [base] Add `FT_Get_Sfnt_LangTag' function. + + * include/freetype/ftsnames.h (FT_SfntLangTag): New structure. + (FT_Get_Sfnt_LangTag): New declaration. + + * src/base/ftsnames.c (FT_Get_Sfnt_LangTag): New funtion. + + * docs/CHANGES: Updated. + +2017-01-26 Werner Lemberg <wl@gnu.org> + + [sfnt] Support `name' table format 1. + + * include/freetype/internal/tttypes.h (TT_LangTagRec): New + structure. + (TT_NameTableRec): Add fields `numLangTagRecords' and `langTags'. + + * src/sfnt/ttload.c (tt_face_load_name): Add support for language + tags. + Reduce array size of name strings in case of invalid entries. + (tt_face_free_name): Updated. + + * docs/CHANGES: Updated. + +2017-01-25 Werner Lemberg <wl@gnu.org> + + [sfnt] s/TT_NameEntry/TT_Name/. + + * include/freetype/internal/tttypes.h (TT_NameEntryRec): Renamed + to... + (TT_NameRec): This. + (TT_NameTableRec): Updated. + + * src/base/ftsnames.c (FT_Get_Sfnt_Name): Updated. + + * src/sfnt/sfdriver.c (sfnt_get_ps_name): Updated. + + * src/sfnt/sfobjs.c (tt_name_entry_ascii_from_utf16, + tt_name_entry_ascii_from_other): Renamed to... + (tt_name_ascii_from_utf16, tt_name_entry_ascii_from_other): This, + respectively. + (TT_NameEntry_ConvertFunc): Renamed to... + (TT_Name_ConvertFunc): This. + (tt_face_get_name): Updated. + + * src/sfnt/ttload.c (tt_face_load_name, tt_face_free_name): + Updated. + +2017-01-24 Werner Lemberg <wl@gnu.org> + + [sfnt] Fix Postscript name service for symbol fonts. + + * src/sfnt/sfdriver.c (sfnt_get_ps_name): Accept PID/EID=3/0 + entries also. + +2017-01-24 Werner Lemberg <wl@gnu.org> + + [truetype] For OpenType 1.7: s/preferred/typographic/ (sub)family. + + * include/freetype/ftsnames.h + (FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY, + FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY): New macros. + (FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY, + FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY): Deprecated. + + * include/freetype/ttnameid.h (TT_NAME_ID_TYPOGRAPHIC_FAMILY, + TT_NAME_ID_TYPOGRAPHIC_SUBFAMILY): New macros. + (TT_NAME_ID_PREFERRED_FAMILY, TT_NAME_ID_PREFERRED_SUBFAMILY): + Deprecated. + + * src/sfnt/sfobjs.c (sfnt_load_face): Updated. + + * docs/CHANGES: Updated. + +2017-01-23 Werner Lemberg <wl@gnu.org> + + [base] Add `FT_Set_Default_Properties' (#49187). + + * include/freetype/ftmodapi.h: Add declaration. + + * src/base/ftinit.c (ft_set_default_properties): Renamed to... + (FT_Set_Default_Properties): ... this. + (FT_Init_FreeType): Updated. + + * docs/CHANGES: Updated. + +2017-01-23 Werner Lemberg <wl@gnu.org> + + [truetype] Minor updates for OpenType 1.8.1. + + * src/truetype/ttgxvar.h (GX_MVarTable): `axisCount' has been + removed from the specification; it is now reserved. + + * src/truetype/ttgxvar.c (ft_var_load_mvar): Updated. + (GX_FVar_Head): Remove `countSizePairs'; the corresponding data + field in the `MVAR' table is now reserved. + (fvar_fields): Updated. + +2017-01-23 Werner Lemberg <wl@gnu.org> + + [truetype] Avoid segfault for invalid variation data. + + * src/truetype/ttgxvar.c (ft_var_load_item_variation_store): Assure + `itemCount' is not zero. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=441 + +2017-01-20 Werner Lemberg <wl@gnu.org> + + * src/truetype/ttinterp.c (TT_RunIns): Adjust loop detector limits. + +2017-01-17 Werner Lemberg <wl@gnu.org> + + * include/freetype/ttnameid.h: Updated to OpenType 1.8.1. + + (TT_APPLE_ID_FULL_UNICODE): New macro. + + (TT_MS_LANGID_BOSNIAN_BOSNIA_HERZ_CYRILLIC, + TT_MS_LANGID_UPPER_SORBIAN_GERMANY, + TT_MS_LANGID_LOWER_SORBIAN_GERMANY, TT_MS_LANGID_IRISH_IRELAND, + TT_MS_LANGID_INUKTITUT_CANADA_LATIN, TT_MS_LANGID_BASHKIR_RUSSIA, + TT_MS_LANGID_LUXEMBOURGISH_LUXEMBOURG, + TT_MS_LANGID_GREENLANDIC_GREENLAND, TT_MS_LANGID_MAPUDUNGUN_CHILE, + TT_MS_LANGID_MOHAWK_MOHAWK, TT_MS_LANGID_BRETON_FRANCE, + TT_MS_LANGID_OCCITAN_FRANCE, TT_MS_LANGID_CORSICAN_FRANCE, + TT_MS_LANGID_ALSATIAN_FRANCE, TT_MS_LANGID_YAKUT_RUSSIA, + TT_MS_LANGID_KICHE_GUATEMALA, TT_MS_LANGID_KINYARWANDA_RWANDA, + TT_MS_LANGID_WOLOF_SENEGAL, TT_MS_LANGID_DARI_AFGHANISTAN): New + macros. + + (TT_MS_LANGID_SERBIAN_BOSNIA_HERZ_CYRILLIC): Fix value. + + (TT_MS_LANGID_GERMAN_LIECHTENSTEIN, TT_MS_LANGID_CATALAN_CATALAN, + TT_MS_LANGID_CHINESE_MACAO, TT_MS_LANGID_SPANISH_SPAIN_MODERN_SORT, + TT_MS_LANGID_KOREAN_KOREA, TT_MS_LANGID_ROMANSH_SWITZERLAND, + TT_MS_LANGID_SLOVENIAN_SLOVENIA, TT_MS_LANGID_BASQUE_BASQUE, + TT_MS_LANGID_SETSWANA_SOUTH_AFRICA, + TT_MS_LANGID_ISIXHOSA_SOUTH_AFRICA, + TT_MS_LANGID_ISIZULU_SOUTH_AFRICA, TT_MS_LANGID_KAZAKH_KAZAKHSTAN, + TT_MS_LANGID_KYRGYZ_KYRGYZSTAN, TT_MS_LANGID_KISWAHILI_KENYA, + TT_MS_LANGID_TATAR_RUSSIA, TT_MS_LANGID_ODIA_INDIA, + TT_MS_LANGID_MONGOLIAN_PRC, TT_MS_LANGID_TIBETAN_PRC, + TT_MS_LANGID_WELSH_UNITED_KINGDOM, TT_MS_LANGID_GALICIAN_GALICIAN, + TT_MS_LANGID_SINHALA_SRI_LANKA, TT_MS_LANGID_TAMAZIGHT_ALGERIA, + TT_MS_LANGID_SESOTHO_SA_LEBOA_SOUTH_AFRICA, TT_MS_LANGID_YI_PRC, + TT_MS_LANGID_UIGHUR_PRC): New aliases. + + Remove commented out code. + + (TT_NAME_ID_LIGHT_BACKGROUND, TT_NAME_ID_DARK_BACKGROUND, + TT_NAME_ID_VARIATIONS_PREFIX): New macros. + + (HAVE_LIMIT_ON_IDENTS): Remove macro (which was useless since many + years), use guarded long macros by default and define short versions + as aliases for the long ones. + +2017-01-15 Werner Lemberg <wl@gnu.org> + + * src/truetype/ttgxvar.c (tt_apply_var): Handle underline parameters + also. + +2017-01-11 Werner Lemberg <wl@gnu.org> + + * src/base/ftobjs.c (ft_open_face_internal): Improve tracing. + +2017-01-11 Werner Lemberg <wl@gnu.org> + + [truetype] Actually use metrics variation service. + + * src/base/ftmm.c: Include FT_SERVICE_METRICS_VARIATIONS_H. + (ft_face_get_mvar_service): New auxiliary function to look up + metrics variation service. + (FT_Set_Var_Design_Coordinates, FT_Set_MM_Blend_Coordinates, + FT_Set_Var_Blend_Coordinates): Call metrics variation service. + + * src/truetype/ttobjs.c (tt_face_init): Use metrics variations for + named instances. + +2017-01-11 Werner Lemberg <wl@gnu.org> + + [truetype] Provide metrics variation service. + + * include/freetype/internal/services/svmetric.h + (FT_Metrics_Adjust_Func): Reduce number of necessary parameters. + + * src/truetype/ttgxvar.c: Include FT_LIST_H. + (tt_size_reset_iterator): New auxiliary function for... + (tt_apply_var): New function. + + * src/truetype/ttgxvar.h: Updated. + + * src/truetype/ttdriver.c (tt_service_metrics_variations): Add + `tt_apply_mvar'. + + * include/freetype/internal/ftserv.h (FT_ServiceCache): Add metrics + variation service. + +2017-01-11 Werner Lemberg <wl@gnu.org> + + [truetype] Parse `MVAR' table. + + * src/truetype/ttgxvar.h (MVAR_TAG_XXX): New macros for MVAR tags. + (GX_Value, GX_MVarTable): New structures. + (GX_Blend): Add it. + + * src/truetype/ttgxvar.c (GX_VALUE_SIZE, GX_VALUE_CASE, + GX_GASP_CASE): New macros. + (ft_var_get_value_pointer): New auxiliary function to get a pointer + to a value from various SFNT tables already stored in `TT_Face'. + (ft_var_load_mvar): New function. + (TT_Get_MM_Var): Call it. + (tt_done_blend): Updated. + +2017-01-11 Werner Lemberg <wl@gnu.org> + + [truetype] More preparations for MVAR support. + + * src/truetype/ttobjs.c (tt_size_reset): Add argument to make + function only recompute ascender, descender, and height. + + * src/truetype/ttobjs.h: Updated. + + * src/truetype/ttdriver.c (tt_size_select, tt_size_request): + Updated. + +2017-01-09 Werner Lemberg <wl@gnu.org> + + [pcf] Disable long family names by default. + + * include/freetype/config/ftoption.h + (PCF_CONFIG_OPTION_LONG_FAMILY_NAMES): Comment out. + +2017-01-09 Werner Lemberg <wl@gnu.org> + + [pcf] Make long family names configurable. + + The change from 2016-09-29 was too radical (except for people using + the openSuSE GNU/Linux distribution). To ameliorate the situation, + PCF_CONFIG_OPTION_LONG_FAMILY_NAMES gets introduced which controls + the feature; if set, a new PCF property option + `no-long-family-names' can be used to switch this feature off. + + * include/freetype/config/ftoption.h, devel/ftoption.h + (PCF_CONFIG_OPTION_LONG_FAMILY_NAMES): New option. + + * include/freetype/ftpcfdrv.h: New header file (only containing + comments currently, used for building the documentation). + + * include/freetype/config/ftheader.h (FT_PCF_DRIVER_H): New macro. + + * src/pcf/pcf.h (PCF_Driver): Add `no_long_family_names' field. + + * src/pcf/pcfdrivr.c: Include FT_SERVICE_PROPERTIES_H and + FT_PCF_DRIVER_H. + (pcf_property_set, pcf_property_get): New functions. + (pcf_service_properties): New service. + (pcf_services): Updated. + (pcf_driver_init) [PCF_CONFIG_OPTION_LONG_FAMILY_NAMES]: Handle + `no_long_family_names'. + + * src/pcf/pcfread.c (pcf_load_font): Handle `no_long_family_names' + and PCF_CONFIG_OPTION_LONG_FAMILY_NAMES. + + * docs/CHANGES: Updated. + +2017-01-09 Werner Lemberg <wl@gnu.org> + + [pcf] Introduce a driver structure. + + To be filled later on with something useful. + + * src/pcf/pcf.h (PCF_Driver): New structure. + + * src/pcf/pcfdrivr.c (pcf_driver_init, pcf_driver_done): New dummy + functions. + (pcf_driver_class): Updated. + +2017-01-08 Werner Lemberg <wl@gnu.org> + + [truetype] Again some GX code shuffling. + + We need this later on for MVAR also. + + * src/truetype/ttgxvar.c (tt_hadvance_adjust): Split off computing + an item store variation delta into... + (ft_var_get_item_delta): ...new function. + +2017-01-08 Werner Lemberg <wl@gnu.org> + + [truetype] Adjust font variation flags for MVAR. + + * include/freetype/internal/tttypes.h (TT_FACE_FLAG_VAR_XXX): + Remove all flags related to MVAR; replace it with... + (TT_FACE_FLAG_VAR_MVAR): ...this new macro. + (TT_Face): Remove `mvar_support' field (which was still unused). + +2017-01-06 Werner Lemberg <wl@gnu.org> + + [truetype] More GX code shuffling. + + We need this later on for MVAR also. + + * src/truetype/ttgxvar.c (tt_done_blend): Split off handling of item + variation store into... + (ft_var_done_item_variation_store): ...new function. + +2017-01-06 Werner Lemberg <wl@gnu.org> + + [truetype] More generalization of GX stuff. + + We need this later on for MVAR also. + + * src/truetype/ttgxvar.c (ft_var_load_delta_set_index_mapping): Add + parameters for delta-set index mapping and item variation store. + (ft_var_load_item_variation_store): Add parameter for item variation + store. + s/hvarData/varData/. + Move allocation of `hvar_table' to... + (ft_var_load_hvar): ...this function. + Updated. + +2017-01-06 Werner Lemberg <wl@gnu.org> + + [truetype] Some GX structure renames for generalization. + + We need this later on for MVAR also. + + * src/truetype/ttgxvar.h (GX_HVarData): Renamed to... + (GX_ItemVarData): ...this. + (GX_HVarRegion): Renamed to... + (GX_VarRegion): ...this. + (GX_HVStore): Renamed to... + (GX_ItemVarStore): ...this. + (GX_WidthMap): Renamed to... + (GX_DeltaSetIdxMap): ...this. + + (GX_HVarTable): Updated. + + * src/truetype/ttgxvar.c: Updated. + +2017-01-06 Werner Lemberg <wl@gnu.org> + + [truetype] Code shuffling. + + * src/truetype/ttgxvar.c (ft_var_load_hvar): Split off loading of + item variation store and delta set index mapping into... + (ft_var_load_item_variation_store, + ft_var_load_delta_set_index_mapping): ...new functions. + +2017-01-06 Werner Lemberg <wl@gnu.org> + + [truetype] Add HVAR access without advance width map. + + * src/truetype/ttgxvar.c (ft_var_load_hvar): Handle case where + `offsetToAdvanceWidthMapping' is zero. + (tt_hadvance_adjust): Implement direct deltaSet access by glyph + index. + +2017-01-06 Werner Lemberg <wl@gnu.org> + + [pcf] Revise driver. + + This commit improves tracing and handling of malformed fonts. In + particular, the changes to `pcf_get_properties' fix + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=379 + + * src/pcf/pcfread.c (tableNames): Use long names for better + readability. + (pcf_read_TOC): Allow at most 9 tables. + (pcf_get_properties): Allow at most 256 properties. + Limit strings array length to 256 * (65536 + 1) bytes. + Better tracing. + (pcf_get_metric): Trace metric data. + (pcf_get_metrics): Allow at most 65536 metrics. + Fix comparison of `metrics->ascent' and `metrics->descent' to avoid + potential overflow. + Better tracing. + (pcf_get_bitmaps): Allow at most 65536 bitmaps. + Better tracing. + (pcf_get_encodings, pcf_get_accel): Better tracing. + + * src/pcf/pcfdrivr.c (PCF_Glyph_Load): Don't trace `format' details. + These are now shown by `pcf_get_bitmaps'. + +2017-01-04 Werner Lemberg <wl@gnu.org> + + * src/pcf/pcfdrivr.c (PCF_Face_Init): Trace compression format. + +2017-01-04 Werner Lemberg <wl@gnu.org> + + [cff] More consistency checks for pure CFFs. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=378 + + * src/cff/cffload.c (cff_font_load): Check element number and size + of Name and Top DICT indices. + +2017-01-04 Werner Lemberg <wl@gnu.org> + + [cff, truetype] Minor tracing improvement. + + * src/cff/cffobjs.c (cff_face_init), src/truetype/ttobjs.c + (tt_face_init): Indent first tracing message from SFNT driver. + +2017-01-03 Werner Lemberg <wl@gnu.org> + + [truetype] Various minor fixes. + + * src/truetype/ttgload.c (TT_Load_Simple_Glyph): Check instruction + size only if we do native hinting. + (TT_Load_Glyph): Trace returned error code. + + * src/truetype/ttobjs.c (tt_size_run_fpgm, tt_size_run_prep): Trace + returned error code. + (tt_size_ready_bytecode): Don't run `prep' table if `fpgm' table is + invalid. + +2017-01-03 Werner Lemberg <wl@gnu.org> + + [sfnt] Don't fail if PCLT, EBLC (and similar tables) are invalid. + + These tables are optional. + + * src/sfnt/sfobjs.c (sfnt_load_face): Implement it. + +2017-01-03 Werner Lemberg <wl@gnu.org> + + * src/cff/cffparse.c (cff_parse_num): Simplify. + +2017-01-03 Werner Lemberg <wl@gnu.org> + + Various fixes for clang's undefined behaviour sanitizer. + + * src/cff/cffload.c (FT_fdot14ToFixed): Fix casting. + (cff_blend_doBlend): Don't left-shift negative numbers. + Handle 5-byte numbers byte by byte to avoid alignment issues. + + * src/cff/cffparse.c (cff_parse_num): Handle 5-byte numbers byte by + byte to avoid alignment issues. + + * src/cid/cidload (cid_read_subrs): Do nothing if we don't have any + subrs. + + * src/psaux/t1decode.c (t1_decode_parse_charstring): Fix tracing. + + * src/tools/glnames.py (main): Put `DEFINE_PSTABLES' guard around + definition of `ft_get_adobe_glyph_index'. + + * src/psnames/pstables.h: Regenerated. + + * src/psnames/psmodule.c: Include `pstables.h' twice to get both + declaration and definition. + + * src/truetype/ttgxvar.c (FT_fdot14ToFixed, FT_intToFixed): Fix + casting. + +2017-01-01 Werner Lemberg <wl@gnu.org> + + [cff] Handle multiple `blend' operators in a row correctly. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=368 + + * src/cff/cffload.c (cff_blend_doBlend): Adjust `parser->stack' + pointers into `subFont->blend_stack' after reallocation. + +2017-01-01 Werner Lemberg <wl@gnu.org> + + [sfnt] Return correct number of named instances for TTCs. + + Without this patch, requesting information for face index N returned + the data for face index N+1 (or index 0). + + * src/sfnt/sfobjs.c (sfnt_init_face): Correctly adjust `face_index' + for negative `face_instance_index' values. + +2016-12-31 Werner Lemberg <wl@gnu.org> + + */*: Use hex numbers for errors in tracing messages. + +2016-12-31 Werner Lemberg <wl@gnu.org> + + [truetype] Check axis count in HVAR table. + + Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=362 + + * src/truetype/ttgxvar.c (ft_var_load_hvar): Check axis count. + (ft_var_load_avar): Fix tracing message. + +2016-12-30 Werner Lemberg <wl@gnu.org> * Version 2.7.1 released. ========================= @@ -51,7 +2067,7 @@ * src/tools/ftfuzzer/ftfuzzer.cc: Include `stdlib.h' for `rand'. (Random): Small class to provide n randomly selected numbers - (without repitition) out of the value set [1,N]. + (without repetition) out of the value set [1,N]. (LLVMFuzzerTestOneInput): Use it to test only up to 10 bitmap strikes. @@ -891,7 +2907,7 @@ * src/type1/t1driver.c: Updated. - * src/type1/t1load.c (T1_Get_Var_Design): New dummp function to + * src/type1/t1load.c (T1_Get_Var_Design): New dump function to handle `get_var_design' service. * src/type1/t1load.h: Updated. @@ -1239,7 +3255,7 @@ 2016-09-29 Werner Lemberg <wl@gnu.org> - [truetype] Disallow bitmap strokes for non-default instances. + [truetype] Disallow bitmap strikes for non-default instances. Also speed up access of default instances if GX variations are active. @@ -1494,7 +3510,7 @@ 2016-09-07 Alexei Podtelezhnikov <apodtele@gmail.com> - * src/smooth/ftgrays.c (gray_hline): Microptimize. + * src/smooth/ftgrays.c (gray_hline): Micro-optimize. 2016-09-06 Alexei Podtelezhnikov <apodtele@gmail.com> @@ -1626,12 +3642,12 @@ 2016-09-03 Werner Lemberg <wl@gnu.org> - [base] Avoid negative bitmap stroke dimensions (#48985). + [base] Avoid negative bitmap strike dimensions (#48985). * src/base/ftobjs.c (FT_Open_Face): Check whether negation was actually successful. For example, this can fail for value -32768 if the type is `signed short'. If there are problems, - disable the stroke. + disable the strike. 2016-09-03 Werner Lemberg <wl@gnu.org> @@ -1670,7 +3686,7 @@ [smooth] Simplify span rendering more. It turns out that there is significant cost associated with `FT_Span' - creation and calls to `gray_render_span' because it happerns so + creation and calls to `gray_render_span' because it happens so frequently. This removes these steps from our internal use but leaves it alone for `FT_RASTER_FLAG_DIRECT" to preserve API. The speed gain is about 5%. @@ -2070,7 +4086,7 @@ [sfnt] Fix `face_index' value in `FT_Face' for named instances. - * src/sfnt/sfobjc.s (sfnt_init_face): Don't strip off higher 16bits. + * src/sfnt/sfobjs.c (sfnt_init_face): Don't strip off higher 16bits. 2016-07-14 Werner Lemberg <wl@gnu.org> @@ -2090,7 +4106,7 @@ ---------------------------------------------------------------------------- -Copyright 2016 by +Copyright 2016-2017 by David Turner, Robert Wilhelm, and Werner Lemberg. This file is part of the FreeType project, and may only be used, modified, |