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-rw-r--r--Build/source/libs/freetype2/freetype-src/ChangeLog2036
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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,