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Diffstat (limited to 'Source/3rdParty/freetype-2.9.1/ChangeLog.27')
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diff --git a/Source/3rdParty/freetype-2.9.1/ChangeLog.27 b/Source/3rdParty/freetype-2.9.1/ChangeLog.27 deleted file mode 100644 index 0e82b2f..0000000 --- a/Source/3rdParty/freetype-2.9.1/ChangeLog.27 +++ /dev/null @@ -1,2106 +0,0 @@ -2016-12-30 Werner Lemberg <wl@gnu.org> - - * Version 2.7.1 released. - ========================= - - - Tag sources with `VER-2-7-1'. - - * docs/VERSION.TXT: Add entry for version 2.7.1. - - * 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/2.7/2.7.1/, s/27/271/. - - * include/freetype/freetype.h (FREETYPE_PATCH): Set to 1. - - * builds/unix/configure.raw (version_info): Set to 19:0:13. - * CMakeLists.txt (VERSION_PATCH): Set to 1. - -2016-12-30 Werner Lemberg <wl@gnu.org> - - [ftfuzzer] Replace `rand' with an xorshift algorithm. - - * src/tools/ftfuzzer/ftfuzzer.cc: Don't include `stdlib.h'. - (Random): Implement and use a 32bit `xorshift' algorithm. - -2016-12-30 Werner Lemberg <wl@gnu.org> - - [ftfuzzer] Restrict number of tested bitmap strikes. - - Malformed fonts often have large values for the number of bitmap - strikes, and FreeType doesn't check the validity of all bitmap - strikes in advance. - - Reported as - - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=353 - - * src/tools/ftfuzzer/ftfuzzer.cc: Include `stdlib.h' for `rand'. - (Random): Small class to provide n randomly selected numbers - (without repetition) out of the value set [1,N]. - (LLVMFuzzerTestOneInput): Use it to test only up to 10 bitmap - strikes. - -2016-12-29 Werner Lemberg <wl@gnu.org> - - [truetype] Variation font API stability issues. - - Make some functions work before a call to `TT_Set_MM_Blend'. - - * src/truetype/ttgxvar.c (tt_hadvance_adjust): Exit immediately if - we don't blend. - (TT_Get_MM_Blend, TT_Get_Var_Design): Return default values if we - don't blend. - -2016-12-29 Werner Lemberg <wl@gnu.org> - - * src/truetype/ttgxvar.c (TT_Get_MM_Var): Check axis data. - - Reported as - - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=348 - -2016-12-29 Werner Lemberg <wl@gnu.org> - - [truetype] Tracing fixes. - - * src/truetype/ttgxvar.c (tt_hadvance_adjust): Emit correct - information. - (TT_Set_Var_Design): Fix typo. - (TT_Get_Var_Design): Fix typos. - -2016-12-29 Werner Lemberg <wl@gnu.org> - - */*: Use `0.5f' for tracing 16.16 numbers. - -2016-12-29 Werner Lemberg <wl@gnu.org> - - [pcf] Protect against gzip bombs. - - Fix suggested by Kostya; reported as - - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=345 - - * src/pcf/pcfread.c (pcf_read_TOC): Limit number of TOC entries to - 1024. - -2016-12-28 Werner Lemberg <wl@gnu.org> - - [psnames] Only declare, not define, data in `pstables.h' (#49949). - - Pdfium includes `pstables.h' a second time; moving the definition - from `pstables.h' to `psmodule.c' saves more than 60kByte data - segment space for this case. - - * src/tools/glnames.py (StringTable::dump, - StringTable::dump_sublist, dump_encoding, dump_array): Emit - additional code to only define tables if `DEFINE_PS_TABLES' is set. - - * src/psnames/pstables.h: Regenerated. - * src/psnames/psmodule.c (DEFINE_PS_TABLES): Define. - -2016-12-28 Werner Lemberg <wl@gnu.org> - - [cff] Catch `blend' op in non-variant fonts. - - Reported as - - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=334 - - * src/cff/cf2intrp.c (cf2_interpT2CharString) <cf2_cmdBLEND>: Don't - allow `blend' op for non-variant fonts. - -2016-12-28 Werner Lemberg <wl@gnu.org> - - [cff] Better check of number of blends. - - * src/cff/cf2intrp.c (cf2_interpT2CharString) <cf2_cmdBLEND>, - src/cff/cffparse.c (cff_parse_blend): Compare number of blends with - stack size. - -2016-12-27 Werner Lemberg <wl@gnu.org> - - Documentation updates. - - * docs/CHANGES: Add missing information. - - * docs/formats.txt: Rewritten and updated. - -2016-12-27 Werner Lemberg <wl@gnu.org> - - [truetype, type1] Implement `FT_Get_Var_Design_Coordinates'. - - * src/truetype/ttgxvar.c (TT_Get_Var_Design): Implement. - (TT_Set_Var_Design): Fix tracing. - - * src/type1/t1load.c (T1_Get_Var_Design): Implement. - -2016-12-24 Werner Lemberg <wl@gnu.org> - - * src/truetype/ttpload.c (tt_face_load_hdmx): Ignore `version'. - - Problem reported by 張俊芝 <418092625@qq.com>. - -2016-12-24 Werner Lemberg <wl@gnu.org> - - * src/sfnt/ttsbit.c (tt_face_load_sbit): Allow more version values. - - Some fonts seem to have the `version' field in the wrong byte order. - - Problem reported by 張俊芝 <418092625@qq.com>. - -2016-12-24 Werner Lemberg <wl@gnu.org> - - * src/truetype/ttpload.c (tt_face_load_loca): Sanitize table length. - - This trivial fix allows us to accept more fonts. - - Problem reported by 張俊芝 <418092625@qq.com>. - -2016-12-24 Werner Lemberg <wl@gnu.org> - - * src/sfnt/sfobjs.c (sfnt_init_face): Fix tracing. - -2016-12-22 Werner Lemberg <wl@gnu.org> - - * CMakeLists.txt: Make it work with cmake 2.8.11.2 (#49909). - -2016-12-22 Werner Lemberg <wl@gnu.org> - - Ensure used preprocessor symbols are defined (#49790). - - * builds/unix/ftconfig.in, builds/vms/ftconfig.h, - include/freetype/config/ftconfig.h: Check `__GNUC__', `__IBMC__', - and `__SUNPRO_C' correctly. - -2016-12-22 Werner Lemberg <wl@gnu.org> - - * src/base/ftrfork.c (FT_Raccess_Get_DataOffsets): Check `count'. - - Reported as - - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=308 - -2016-12-22 Werner Lemberg <wl@gnu.org> - - [cff] Protect against invalid `vsindex' and `blend' values. - - Reported as - - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=305 - - * src/cff/cf2intrp.c (cf2_interpT2CharString) <cf2_cmdVSINDEX, - cf2_cmdBLEND>: Implement it. - -2016-12-22 Werner Lemberg <wl@gnu.org> - - [ftfuzzer] Always use Adobe CFF engine. - - * src/tools/ftfuzzer/ftfuzzer.cc (FT_Global::FT_Global): Implement - it. - -2016-12-21 Werner Lemberg <wl@gnu.org> - - * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Thinko. - - I should really stop coding late in the evening... - - Thanks again to Ben for checking. - -2016-12-21 Werner Lemberg <wl@gnu.org> - - [autofit] Support variation fonts. - - (This ChangeLog entry was added later on.) - - * src/autofit/afglobal.c (af_face_globals_free): Remove useless - code. - - * src/base/ftmm.c (FT_Set_MM_Design_Coordinates, - * FT_Set_Var_Design_Coordinates, FT_Set_MM_Blend_Coordinates, - FT_Set_Var_Blend_Coordinates): Finalize - auto-hinter data to enforce recomputation. Note that this is a - brute-force method which should be improved. - -2016-12-21 Werner Lemberg <wl@gnu.org> - - * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Thinko. - - Don't apply deltas twice for non-phantom points. - - Spotted by Ben Wagner. - -2016-12-21 Werner Lemberg <wl@gnu.org> - - [cff, truetype] Another try for #49829. - - * src/cff/cffdrivr.c: Don't include - `FT_SERVICE_METRICS_VARIATIONS_H'. - (cff_get_advances): Use `ttface->variation_support'. - - * src/truetype/ttdriver.c (tt_get_advances): Use - `ttface->variation_support'. - - * src/truetype/ttgload.c (TT_Process_Simple_Glyph, - load_truetype_glyph): Use `ttface->variation_support'. - -2016-12-21 Werner Lemberg <wl@gnu.org> - - [truetype, sfnt] Introduce font variation flags to `TT_Face'. - - * include/freetype/internal/tttypes.h (TT_FACE_FLAG_VAR_XXX): - New macros describing available functionality of various OpenType - tables related to font variation. - (TT_Face): New fields `variation_support' and `mvar_support', - replacing and extending `use_fvar'. - - * src/sfnt/sfobjs.c (sfnt_init_face, sfnt_load_face): Use - `variation_support'. - - * src/truetype/ttgxvar.c (ft_var_load_hvar): Set `variation_support' - field. - (TT_Vary_Apply_Glyph_Deltas): Updated. - -2016-12-21 Werner Lemberg <wl@gnu.org> - - [base] Improve sanity check for Mac resources (#49888). - - * src/base/ftobjs.c (Mac_Read_sfnt_Resource): Abort if `rlen' is not - positive. - -2016-12-20 Werner Lemberg <wl@gnu.org> - - [base] More sanity checks for Mac resources. - - We use - - https://github.com/kreativekorp/ksfl/wiki/Macintosh-Resource-File-Format - - and - - https://developer.apple.com/legacy/library/documentation/mac/pdf/MoreMacintoshToolbox.pdf#page=151 - - as references. - - * include/freetype/internal/ftrfork.h (FT_RFork_Ref): Use FT_Short - for `res_id'. - - * src/base/ftrfork.c (FT_Raccess_Get_HeaderInfo): Extract map length - and use it to improve sanity checks. - Follow the specification more closely;in particular, all data types - are signed, not unsigned. - (FT_Raccess_Get_DataOffsets): Follow the specification more closely; - in particular, all data types are signed, not unsigned. - Add some sanity checks. - -2016-12-20 Werner Lemberg <wl@gnu.org> - - [truetype] Improve logic for getting fast advance widths. - - * src/cff/cffdrivr.c (cff_get_advances), src/truetype/ttdriver.c - (tt_get_advances): Use `is_default_instance' for test; this gets - recomputed after changing blend coordinates. - -2016-12-20 Ben Wagner <bungeman@google.com> - Werner Lemberg <wl@gnu.org> - - [truetype] Fix linear metrics of GX variation fonts (#49829). - - When asking for an unhinted non-default variations, - `linearVertAdvance' is currently the value from the `hmtx' table - instead of the actual value after applying the variation. `HVAR' - support fixes this, but fonts will exist without that table and will - need sane fallback. - - Problem also reported as - - https://bugs.chromium.org/p/skia/issues/detail?id=5917 - - * src/truetype/ttgload.c (TT_Process_Simple_Glyph, - load_truetype_glyph): Implement linear advance adjustments if `HVAR' - or `VVAR' tables are missing. - -2016-12-20 Werner Lemberg <wl@gnu.org> - - [cff, truetype] Fast advance width retrieval for fonts with HVAR. - - Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. - - * src/base/ftadvanc.c (LOAD_ADVANCE_FAST_CHECK): Don't handle MM. - - * src/cff/cffdrivr.c: Include FT_SERVICE_METRICS_VARIATIONS_H. - (cff_get_advances): Test for HVAR and VVAR. - - * src/truetype/ttdriver.c (tt_get_advances): Test for HVAR and VVAR. - -2016-12-18 Werner Lemberg <wl@gnu.org> - - [base] Fix invalid mac font recursion. - - Reported as - - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=304 - - * src/base/ftobjs.c (FT_Open_Face): Code moved to... - (ft_open_face_internal): ... this function. - Add a parameter to control whether we try special Mac font handling - in case of failure. - (FT_Open_Face, FT_New_Face, FT_New_Memory_Face, - open_face_from_buffer): Use `ft_open_face_internal'. - -2016-12-18 Werner Lemberg <wl@gnu.org> - - * src/cff/cffobjs.c (cff_face_init): Make named instances work. - -2016-12-18 Werner Lemberg <wl@gnu.org> - - [truetype, cff] Extend `get_var_blend' function of MM service. - - In particular, we need access to named instance data. - - * include/freetype/internal/services/svmm.h (FT_Get_Var_Blend_Func): - Add argument for `FT_MM_Var'. - - * src/cff/cffload.c (cff_get_var_blend): Updated. - * src/cff/cffload.h: Updated. - - * src/cff/cf2ft.c (cf2_getNormalizedVector): Updated. - - * src/truetype/ttgxvar.c (tt_get_var_blend): Updated. - Accept value `NULL' for arguments. - * src/truetype/ttgxvar.h: Updated. - -2016-12-18 Werner Lemberg <wl@gnu.org> - - [sfnt] Handle `fvar' with zero axes as a non-MM font. - - This is better behaviour than exiting with an error. - - * include/freetype/internal/tttypes.h (TT_Face): Add `use_fvar' - field. - - * src/sfnt/sfobjs.c (sfnt_init_face): Compute `use_fvar', also - updating the validation code. - Use `use_fvar' to compute FT_FACE_FLAG_MULTIPLE_MASTERS. - - * src/truetype/ttgxvar.c (TT_Get_MM_Var): Remove `fvar' validation - code. - -2016-12-18 Werner Lemberg <wl@gnu.org> - - Minor GX code shuffling. - - * include/freetype/internal/tttypes.h (TT_Face): Move - `is_default_instance' into TT_CONFIG_OPTION_GX_VAR_SUPPORT - block. - - * src/sfnt/sfobjs.c (sfnt_init_face): Updated. - * src/truetype/ttgload.c (IS_DEFAULT_INSTANCE): New macro. - (TT_Load_Glyph): Use it. - -2016-12-18 Werner Lemberg <wl@gnu.org> - - [cff] Better handling of non-CFF font formats. - - * src/cff/cffload.c (cff_font_load): Pure CFFs don't have a - signature, so return `FT_Err_Unknown_File_Format' more often. - -2016-12-17 Werner Lemberg <wl@gnu.org> - - * src/cff/cffload.c (cff_build_blend_vector): Remove redundant code. - -2016-12-17 Werner Lemberg <wl@gnu.org> - - * src/truetype/ttobjs.c (tt_face_init): Simplify conditional code. - -2016-12-17 Werner Lemberg <wl@gnu.org> - - [sfnt, truetype] Various sanitizing fixes. - - * src/sfnt/sfobjs.c (sfnt_init_face): If the axis count in `fvar' is - zero, set `num_instances' to zero. - - * src/truetype/ttgxvar.c (TT_Get_MM_Var): Handle `fvar' table with - zero axes as invalid. - - * src/truetype/ttobjs.c (tt_face_init): Improve logic of loading - `loca', `cvt', `fpgm', and `prep' table. - -2016-12-17 Werner Lemberg <wl@gnu.org> - - Improve tracing of `FT_Open_Face'. - - * src/base/ftobjs.c (FT_Open_Face): Return info on number of - available faces and numbered instances, or the indices of the - requested face and numbered instance. - - * src/sfnt/sfobjs. (sfnt_open_font): Trace number of subfonts. - -2016-12-17 Werner Lemberg <wl@gnu.org> - - * src/cff/cffload.c (cff_load_private_dict): Always init `blend'. - - Reported as - - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=295 - -2016-12-16 Werner Lemberg <wl@gnu.org> - - [truetype] Fix `cvar' sanity test. - - Reported by Dave Arnold. - - * src/truetype/ttgxvar.c (tt_face_vary_cvt): Use tuple count mask. - -2016-12-16 Werner Lemberg <wl@gnu.org> - - [cff, truetype] Remove compiler warnings; fix `make multi'. - - * src/cff/cf2font.h: Include `cffload.h'. - - * src/cff/cffload.c: Include FT_MULTIPLE_MASTERS_H and - FT_SERVICE_MULTIPLE_MASTERS_H. - (cff_vstore_load): Eliminate `vsSize'. - (cff_load_private_dict): Tag as `FT_LOCAL_DEF'. - - * src/cff/cffload.h: Include `cffobjs.h'. - Provide declaration for `cff_load_private_dict'. - - * src/truetype/ttgxvar.c (ft_var_load_hvar): Eliminate - `minorVersion' and `map_offset'. - -2016-12-16 Werner Lemberg <wl@gnu.org> - - [cff] Fix heap buffer overflow (#49858). - - * src/cff/cffparse.c (cff_parser_run): Add one more stack size - check. - -2016-12-15 Werner Lemberg <wl@gnu.org> - - Fix clang warnings. - - * src/cff/cffload.c (cff_blend_doBlend): Add cast. - (cff_subfont_load): Set `error' correctly. - - * src/sfnt/ttmtx.c (tt_face_get_metrics): Typo. - -2016-12-15 Dave Arnold <darnold@adobe.com> - Werner Lemberg <wl@gnu.org> - - [cff] Implement CFF2 support (2/2). - - The font variation code. All parts dependent on the GX code in the - `truetype' module are guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. - In other words, you can still compile the `cff' module without - defining TT_CONFIG_OPTION_GX_VAR_SUPPORT (which brings you CFF2 - support without font variation). - - * src/cff/cf2font.c (cf2_font_setup): Add support for font - variation. - * src/cff/cf2font.h (CF2_Font): Add fields for variation data. - - * src/cff/cf2ft.c (cf2_free_instance): Free blend data. - (cf2_getVStore, cf2_getNormalizedVector): New functions. - * src/cff/cf2ft.h: Updated. - - * src/cff/cf2intrp.c: Include `cffload.h'. - (cf2_cmdRESERVED_15, cf2_cmdRESERVED_16): Replace with... - (cf2_cmdVSINDEX, cf2_cmdBLEND): ... this new enum values. - (cf2_doBlend): New function. - (cf2_interpT2CharString): Handle `vsindex' and `blend' opcodes. - - * src/cff/cffload.c (FT_fdot14ToFixed): New macro. - (cff_vstore_done, cff_vstore_load): New functions. - (cff_blend_clear, cff_blend_doBlend, cff_blend_build_vector, - cff_blend_check_vector): New functions. - (cff_load_private_dict): Add arguments for blend vector. - Handle blend data. - (cff_subfont_load, cff_subfont_done): Updated. - (cff_font_load): Handle CFF2 variation store data. - (cff_font_done): Updated. - * src/cff/cffload.h: Include `cffparse.h'. - Updated. - - * src/cff/cffobjs.c (cff_face_done): Updated. - - * src/cff/cffparse.c: Include `cffload.h'. - (cff_parse_num): Handle internal value 255. - (cff_parse_vsindex, cff_parse_blend): New functions. - (CFF_FIELD_BLEND): New macro. - (cff_parser_run): Updated. - * src/cff/cffparse.h (cff_kind_blend): New enum value. - - * src/cff/cfftoken.h: Handle `vstore', `vsindex', and `blend' - dictionary values. - - * src/cff/cfftypes.h (CFF_VarData, CFF_AxisCoords, CFF_VarRegion, - CFF_VStore, CFF_Blend): New structures. - (CFF_FontRecDict): Add `vstore_offset' field. - (CFF_Private): Add `vsindex' field. - (CFF_SubFont): Add fields for blend data. - (CFF_Font): Add `vstore' field. - - * src/truetype/ttgxvar.c (TT_Get_MM_Var): `CFF2' is equal to `gvar', - since glyph variation data is directly embedded. - (TT_Set_MM_Blend): Don't load `gvar' table for CFF2 fonts. - -2016-12-15 Dave Arnold <darnold@adobe.com> - Werner Lemberg <wl@gnu.org> - - [cff] Implement CFF2 support (1/2). - - This commit does not contain the blend code for font variation - support, which follows in another commit. - - You should ignore whitespace while inspecting this commit. - - * include/freetype/internal/tttypes.h (TT_Face): Add `isCFF2' - member. - - * src/cff/cf2font.h (CF2_Font): Add `isCFF2' member. - - * src/cff/cf2ft.c (cf2_decoder_parse_charstrings): Handle `isCFF2' - flag. - (cf2_getMaxstack): New function. - * src/cff/cf2ft.h: Updated. - - * src/cff/cf2intrp.c (cf2_escRESERVED_38): New enum. - (cf2_interpT2CharString): Handle CFF2 differences. - Add tracing message for errors. - - * src/cff/cffdrivr.c (cff_get_glyph_name, cff_get_name_index): - Update for CFF2. - - * src/cff/cffload.c (FT_FIXED_ONE): New macro. - (cff_index_init, cff_index_load_offsets, cff_index_access_element, - cff_index_get_name, cff_ft_select_get, cff_load_private_dict, - cff_subfont_load, cff_font_load): Handle CFF2. - * src/cff/cffload.h: Updated. - - * src/cff/cffobjs.c (cff_face_init): Handle CFF2. - - * src/cff/cffparse.c (cff_parse_maxstack): New function. - (CFFCODE_TOPDICT, CFFCODE_PRIVATE): Removed - * src/cff/cffparse.h (CFF2_MAX_STACK, CFF2_DEFAULT_STACK): New - macros. - (CFF2_CODE_TOPDICT, CFF2_CODE_FONTDICT, CFF2_CODE_PRIVATE): New - macros. - - * src/cff/cfftoken.h: Add fields for CFF2 dictionaries (but no blend - stuff). - - * src/cff/cfftypes.h (CFF_Index): Add `hdr_size' field. - (CFF_FontRecDict): Add `maxstack' field. - (CFF_Private): Add `subfont' field. - (CFF_Font): Add `top_dict_length' and `cff2' fields. - - * src/sfnt/sfobjs.c (sfnt_load_face): Handle `CFF2' table. - -2016-12-15 Werner Lemberg <wl@gnu.org> - Dave Arnold <darnold@adobe.com> - - [truetype] Provide HVAR advance width variation as a service. - - Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. - - * src/truetype/ttdriver.c (tt_service_metrics_variations): Updated. - - * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Prevent - double adjustment of advance width. - - * src/sfnt/ttmtx.c: Include FT_SERVICE_METRICS_VARIATIONS_H. - (tt_face_get_metrics): Apply metrics variations. - -2016-12-15 Dave Arnold <darnold@adobe.com> - Werner Lemberg <wl@gnu.org> - - [truetype] Provide function to apply `HVAR' advance width variation. - - Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. - - * src/truetype/ttgxvar.c (tt_hadvance_adjust): New function. - * src/truetype/ttgxvar.h: Updated. - -2016-12-15 Dave Arnold <darnold@adobe.com> - Werner Lemberg <wl@gnu.org> - - [truetype] Add `HVAR' table parsing. - - Note that this is not complete yet; it only handles advance width - variation. - - Activation of the code follows in another commit. - - Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. - - * include/freetype/ftmm.h (FT_Var_Named_Style): Add `psid' member. - - * src/truetype/ttgxvar.h (GX_HVarData, GX_AxisCoords, GX_HVarRegion, - GX_HVStore, GX_WidthMap): New auxiliary structures for... - (GX_HVarTable): ... HVAR main structure. - (GX_BlendRec): Add data for HVAR loading. - - * src/truetype/ttgxvar.c (FT_FIXED_ONE, FT_fdot14ToFixed, - FT_intToFixed, FT_fixedToInt): New macros. - (ft_var_load_hvar): New function. - (TT_Get_MM_Var): Updated. - (tt_done_blend): Deallocate HVAR data. - -2016-12-15 Dave Arnold <darnold@adobe.com> - - [cff] Extend number parsing. - - The forthcoming CFF2 support needs a dynamic parsing limit. - - * src/cff/cffparse.c (cff_parse_num, do_fixed, cff_parse_fixed, - cff_parse_fixed_scaled, cff_parse_fixed_dynamic): Add argument for - parser. - (cff_parse_font_matrix, cff_parse_font_bbox, cff_parse_private_dict, - cff_parse_multiple_master, cff_parse_cid_ros, cff_parser_run): Updated. - - * src/cff/cffparse.h (cff_parse_num): Export locally. - -2016-12-15 Dave Arnold <darnold@adobe.com> - - [cff] Implement dynamic stack size for Adobe engine. - - This also adds `cf2_stack_setReal' and `cf2_stack_pop', needed for - the forthcoming CFF2 support. - - * src/cff/cf2stack.c (cf2_stack_init): Add argument for stack size. - (cf2_stack_free): Deallocate stack. - (cf2_stack_count, cf2_stack_pushInt, cf2_stack_pushFixed, - cf2_stack_popInt, cf2_stack_popFixed, cf2_stack_getReal, - cf2_stack_clear): Updated. - (cf2_stack_setReal, cf2_stack_pop): New functions. - - * src/cff/cf2stack.h (CF2_Stack): Add `stackSize' member. - Update function declarations. - - * src/cff/cf2intrp.c (cf2_interpT2CharString): Updated. - - * src/cff/cffparse.c (cff_parser_init): Add parameter for stack - size; return error code. - (cff_parser_done): New function. - (cff_parser_run): Updated. - - * src/cff/cffparse.h (CFF_Parser): Add `stackSize' member and make - `stack' a pointer. - Update function declarations. - - * src/cff/cffload.c (cff_load_private_dict, cff_subfont_load): - Updated. - -2016-12-15 Dave Arnold <darnold@adobe.com> - Werner Lemberg <wl@gnu.org> - - [cff] Code shuffling. - - * src/cff/cfftypes.h (CFF_Font): Add `library' and `base_offset' - fields. - - * src/cff/cffload.c (cff_subfont_load): Change last argument to - `CFF_Font' - Split off parsing of private dictionary into... - (cff_load_private_dict): ...this new function. - (cff_font_load): Updated. - -2016-12-14 Werner Lemberg <wl@gnu.org> - - [sfnt, truetype] Add framework for Metrics Variations service. - - No effect yet; service functions will be implemented later on. - - Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. - - * include/freetype/internal/services/svmetric.h: New file. - - * include/freetype/internal/ftserv.h - (FT_SERVICE_METRICS_VARIATIONS_H): New macro. - - * include/freetype/internal/tttypes.h (TT_Face): New field `var'. - - * src/sfnt/sfobjs.c: Include FT_SERVICE_METRICS_VARIATIONS_H. - (sfnt_init_face): Initialize `face->var'. - - * src/truetype/ttdriver.c: Include FT_SERVICE_METRICS_VARIATIONS_H. - (tt_service_metrics_variations): New service. - (tt_services): Updated. - - * src/truetype/ttpic.h: Updated. - -2016-12-14 Werner Lemberg <wl@gnu.org> - - [cff] Add Multiple Masters service. - - The code simply uses the MM functions from the `truetype' module. - - Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. - - * include/freetype/internal/tttypes.h (TT_Face): New field `mm'. - - * src/cff/cffdrivr.c: Include FT_SERVICE_MULTIPLE_MASTERS_H. - (cff_set_mm_blend, cff_get_mm_blend, cff_get_mm_var, - cff_set_var_design, cff_get_var_design): New functions. - (cff_service_multi_masters): New service. - (cff_services): Updated. - - * src/cff/cffload.c (cff_get_var_blend, cff_done_blend): New - functions. - * src/cff/cffload.h: Updated. - - * src/cff/cffpic.h (CFF_SERVICE_MULTI_MASTERS_GET): New macro. - - * src/sfnt/sfobjs.c: Include FT_SERVICE_MULTIPLE_MASTERS_H. - (sfnt_init_face): Initialize `face->mm'. - -2016-12-14 Werner Lemberg <wl@gnu.org> - - Extend functionality of `ft_module_get_service'. - - It can now differentiate between local and global searches. - - * src/base/ftobjs.c (ft_module_get_service): Add `global' argument. - (FT_Get_TrueType_Engine_Type): Updated. - - * src/cff/cffdrivr.c (cff_get_ps_name, cff_get_cmap_info): Updated. - - * include/freetype/internal/ftobjs.h: Updated. - * include/freetype/internal/ftserv.h (FT_FACE_FIND_GLOBAL_SERVICE): - Updated. - -2016-12-14 Werner Lemberg <wl@gnu.org> - - * src/truetype/ttgxvar.c (tt_get_var_blend): Fix compiler warning. - -2016-12-14 Dave Arnold <darnold@adobe.com> - Werner Lemberg <wl@gnu.org> - - [sfnt, cff] Minor preparations. - - * include/freetype/tttags.h (TTAG_CFF2, TTAG_HVAR, TTAG_MVAR, - TTAG_VVAR): New SFNT table tags. - - * src/cff/cf2fixed.h (CF2_FIXED_ONE, CF2_FIXED_EPSILON): Add cast. - -2016-12-10 Werner Lemberg <wl@gnu.org> - - [truetype, type1] Add `get_var_blend' to MM service. - - For internal use; we want to share code between the forthcoming CFF2 - support and TrueType. - - * include/freetype/internal/services/svmm.h (FT_Get_Var_Blend_Func): - New typedef. - (MultiMasters): Add `get_var_blend'. - (FT_Service_MultiMasters): Updated. - - * src/truetype/ttgxvar.c (tt_get_var_blend): New function. - * src/truetype/ttgxvar.h: Updated. - - * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Updated. - * src/type1/t1driver.c (t1_service_multi_masters): Updated. - -2016-12-10 Werner Lemberg <wl@gnu.org> - - [truetype, type1] Add `done_blend' to MM service. - - For internal use; we want to share code between the forthcoming CFF2 - support and TrueType. - - * include/freetype/internal/services/svmm.h (FT_Done_Blend_Func): - New typedef. - (MultiMasters): Add `done_blend'. - (FT_Service_MultiMasters): Updated. - - * src/truetype/ttgxvar.c (tt_done_blend): Use `TT_Face' as argument. - * src/truetype/ttgxvar.h: Updated. - - * src/truetype/ttobjs.c (TT_Face_Done): Updated. - - * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Updated. - * src/type1/t1driver.c (t1_service_multi_masters): Updated. - -2016-12-09 Werner Lemberg <wl@gnu.org> - - [sfnt] Revert change from 2016-12-08. - - I missed the functionality of `ft_module_get_service', which makes - the change unnecessary. - -2016-12-08 Werner Lemberg <wl@gnu.org> - - Add framework to support services with 8 functions. - - We will need this for CFF variation font support. - - * include/freetype/internal/ftserv.h (FT_DEFINE_SERVICEDESCREC8): - New macro. - -2016-12-08 Werner Lemberg <wl@gnu.org> - - [sfnt] Add `get_glyph_name' and `get_name_index' to SFNT interface. - - CFF2 fonts will need access to those two functions. - - * include/freetype/internal/sfnt.h: Include FT_SERVICE_GLYPH_DICT_H. - (SFNT_Interface): Add `get_glyph_name' and `get_name_index' members. - (FT_DEFINE_SFNT_INTERFACE): Updated. - - * src/sfnt/sfdriver.c (sfnt_get_glyph_name, sfnt_get_name_index): - Fix signatures to exactly correspond to the glyph dict service - function typedefs. - (sfnt_interface): Updated. - -2016-12-06 Dave Arnold <darnold@adobe.com> - - Add `FT_Get_Var_Design_Coordinates' function. - - Note that the low-level functions aren't implemented yet. - - * include/freetype/ftmm.h: Declare. - - * include/freetype/internal/services/svmm.h - (FT_Get_Var_Design_Func): New typedef. - (MultiMasters): New MM service function `get_var_design'. - (FT_DEFINE_SERVICE_MULTIMASTERSREC): Updated. - Update all callers. - - * src/base/ftmm.c (FT_Get_Var_Design_Coordinates): Implement. - - * src/truetype/ttdriver.c: Updated. - - * src/truetype/ttgxvar.c (TT_Get_Var_Design): New dummy function to - handle `get_var_design' service. - * src/truetype/ttgxvar.h: Updated. - - * src/type1/t1driver.c: Updated. - - * src/type1/t1load.c (T1_Get_Var_Design): New dump function to - handle `get_var_design' service. - * src/type1/t1load.h: Updated. - -2016-12-06 Werner Lemberg <wl@gnu.org> - - * src/type1/t1load.c (parse_subrs): Fix memory leak. - - The `subrs' keyword might erroneously occur multiple times. - - Reported as - - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=231 - -2016-12-01 Werner Lemberg <wl@gnu.org> - - [gzip] Improve building with external zlib (#49673). - - Building FreeType with external zlib 1.2.8 makes msvc 14 stop with - the following error. - - ftgzip.c - zlib-1.2.8\zlib.h(86): error C2061: - syntax error: identifier 'z_const' - zlib-1.2.8\zlib.h(94): error C2054: - expected '(' to follow 'z_const' - zlib-1.2.8\zlib.h(94): error C2085: - 'msg': not in formal parameter list - ... - zlib-1.2.8\zlib.h(877): fatal error C1003: - error count exceeds 100; stopping compilation - - The error happens because FreeType keeps an own copy of zlib-1.1.4 - under `src/gzip'. When building `src/gzip/ftgzip.c' with - FT_CONFIG_OPTION_SYSTEM_ZLIB defined, it uses - - #include <zlib.h> - - which correctly finds an external `zlib.h', but `zlib.h' itself has - a line - - #include "zconf.h" - - which makes Visual Studio 2015 find `src/gzip/zconf.h' while - compiling the files in `src/gzip'. - - * src/gzip/zconf.h: Rename to... - * src/gzip/ftzconf.h: ... this. - * src/gzip/zlib.h, src/gzip/rules.mk (GZIP_DRV_SRCS): Updated. - -2016-12-01 Oleksandr Chekhovskyi <oleksandr.chekhovskyi@gmail.com> - - [autofit] Fix Emscripten crash (patch #9180). - - Function calls through pointers must use a matching signature to - work on Emscripten, since such calls are dispatched through lookup - tables grouped by signature. - - * src/autofit/aftypes.h (AF_WritingSystem_ApplyHintsFunc): Fix - typedef. - -2016-11-29 Werner Lemberg <wl@gnu.org> - - [smooth] Revert previous commit. Already fixed with 6ca54c64. - -2016-11-29 Werner Lemberg <wl@gnu.org> - - [smooth] Avoid conditional jump on uninitialized value (#49711). - - * src/smooth/ftgrays.c (gray_raster_render): Initialize `worker'. - -2016-11-27 Nikolaus Waxweiler <madigens@gmail.com> - - [autofit] Code shuffling. - - Also improve some comments and remove unused code. - - No functional change. - - * src/autofit/afloader.c (af_loader_load_g): Merged with... - (af_loader_load_glyph): ...this function. - Split off emboldening code into... - (af_loader_embolden_glyph_in_slot): ... this function. - -2016-11-17 Werner Lemberg <wl@gnu.org> - - Better support of LLP64 systems with gcc (and clang). - - * builds/unix/configure.raw: Call `AC_TYPE_LONG_LONG_INT'. - - * builds/unix/ftconfig.in (FT_LONG64): Enable for LLP64 systems (and - suppress warnings) even without `FT_CONFIG_OPTION_FORCE_INT64'. - -2016-11-10 Werner Lemberg <wl@gnu.org> - - Fix `lcd_weights' array size. - - * include/freetype/internal/ftobjs.h (FT_LibraryRec): Do it. - - Reported by Nikolaus. - -2016-11-06 Werner Lemberg <wl@gnu.org> - - * src/base/ftobjs.c (FT_Render_Glyph_Internal): Fix tracing. - -2016-11-06 Werner Lemberg <wl@gnu.org> - - [sfnt] Improve FT_LOAD_BITMAP_METRICS_ONLY for `sbix' format. - - It's unavoidable to call the PNG engine, but to get the metrics it - is sufficient to read the PNG image's header only. - - * src/sfnt/pngshim.c (Load_SBit_Png): Add argument to control the - allocation of the glyph slot. - * src/sfnt/pngshim.h: Updated. - * src/sfnt/ttsbit.c (tt_sbit_decoder_load_png, - tt_face_load_sbix_image, tt_face_load_sbit_image): Updated. - -2016-11-06 Werner Lemberg <wl@gnu.org> - - [sfnt] Speed up `sbix' lookup. - - This also fixes a bug introduced in 2016-10-01 which prevents - display of embedded bitmap fonts that use the `sbix' format. - - * src/sfnt/ttsbit.c (tt_face_load_sbit): Store `sbix' size and - offset also in `ebdt_size' and `ebdt_start', respectively. This - makes the test for an embedded bitmap data table succeed for this - format. - - (tt_face_load_strike_metrics) <TT_SBIT_TABLE_TYPE_SBIX>: Use - `ebdt_size' and `ebdt_start' - (tt_face_load_sbix_image): Ditto. - -2016-11-06 Seigo Nonaka <nona@google.com> - Werner Lemberg <wl@gnu.org> - - Introduce a way of quickly retrieving (embedded) bitmap metrics. - - `FT_Load_Glyph' doesn't generate a bitmap for a non-bitmap glyph - until the user calls `FT_Render_Glyph'. However, it always - allocates memory for bitmaps and copies or decodes the contents of a - bitmap glyph, which can be quite slow for PNG data. - - * include/freetype/freetype.h (FT_LOAD_BITMAP_METRICS_ONLY): New - macro. - - * src/base/ftobjs.c (FT_Load_Glyph): Unset FT_LOAD_RENDER if - FT_LOAD_BITMAP_METRICS_ONLY is used. - - * src/sfnt/ttsbit.c (tt_sbit_decoder_alloc_bitmap, - tt_sbit_decoder_load_bitmap): Add argument to control allocation of - the glyph slot. - (tt_sbit_decoder_load_image, tt_sbit_decoder_load_compound, - tt_face_load_sbit_image): Updated. - - * src/pcf/pcfdrivr.c (PCF_Glyph_Load): Quickly exit if - `FT_LOAD_BITMAP_METRICS_ONLY' is set. - - * src/pfr/pfrsbit.c, src/pfr/pfrsbit.h (pfr_slot_load_bitmap): Add - argument to control allocation of the glyph slot. - * src/pfr/pfrobjs (pfr_slot_load): Updated. - - * src/winfonts/winfnt.c (FNT_Load_Glyph): Ditto. - - * docs/CHANGES: Updated. - -2016-11-06 Werner Lemberg <wl@gnu.org> - - Synchronize with gnulib (#49448). - - * include/freetype/config/ftconfig.h, builds/unix/ftconfig.in, - builds/vms/ftconfig.h (FT_TYPEOF): Update code to use definition in - current version of `intprops.h'. - Other minor synchronization to reduce code differences between the - three files. - -2016-11-03 Behdad Esfahbod <behdad@behdad.org> - - [truetype] Clamp variation requests to valid range. - - This is required by OpenType 1.8; it also avoids rounding surprises. - - * src/truetype/ttgxvar.c (TT_Set_Var_Design): Clamp design coordinates - outside of the allowed range to always stay within the range instead - of producing an error. - -2016-10-29 Werner Lemberg <wl@gnu.org> - - [truetype] Remove clang warnings. - - * src/truetype/ttinterp.h (TT_ExecContextRec): Using `FT_ULong' for - loop counter handling. - - * src/truetype/ttinterp.c: Updated. - (Ins_SCANTYPE): Use signed constant. - (TT_RunIns): Ensure `num_twilight_points' is 16bit. - -2016-10-27 Werner Lemberg <wl@gnu.org> - - [truetype] Fix commit from 2014-11-24. - - Problem reported by Hin-Tak Leung <htl10@users.sourceforge.net>. - - * src/truetype/ttpload.c (tt_face_load_hdmx): Fix file checking - logic. - -2016-10-26 Werner Lemberg <wl@gnu.org> - - Add `FT_Get_{MM,Var}_Blend_Coordinates' functions. - - * include/freetype/ftmm.h: Declare. - - * include/freetype/internal/services/svmm.h (FT_Get_MM_Blend_Func): - New typedef. - (MultiMasters): New MM service function `get_mm_blend'. - (FT_DEFINE_SERVICE_MULTIMASTERSREC): Updated. - Update all callers. - - * src/base/ftmm.c (FT_Get_MM_Blend_Coordinates, - FT_Get_Var_Blend_Coordinates): Implement. - - * src/truetype/ttdriver.c: Updated. - - * src/truetype/ttgxvar.c (TT_Get_MM_Blend): New function to handle - `get_mm_blend' service. - * src/truetype/ttgxvar.h: Updated. - - * src/type1/t1driver.c: Updated. - - * src/type1/t1load.c (T1_Get_MM_Blend): New function to handle - `get_mm_blend' service. - * src/type1/t1load.h: Updated. - - * docs/CHANGES: Document. - -2016-10-26 Werner Lemberg <wl@gnu.org> - - * src/type1/t1load.c (parse_subrs): Fix limit check. - - Reported as - - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=81 - -2016-10-25 Alexei Podtelezhnikov <apodtele@gmail.com> - - [cff] Correct cmap format reporting (#24819). - - * src/cff/cffdrivr.c (cff_get_cmap_info): Throw an error on synthetic - charmap instead of guessing its format and language. - -2016-10-22 Werner Lemberg <wl@gnu.org> - - [truetype] Fix SCANTYPE instruction (#49394). - - * src/truetype/ttinterp.c (Ins_SCANTYPE): Only use lower 16bits. - -2016-10-22 Werner Lemberg <wl@gnu.org> - - [sfnt] Improve handling of invalid post 2.5 tables [#49393]. - - * src/sfnt/ttpost.c (load_format_25): We need at least a single - table entry. - -2016-10-14 Werner Lemberg <wl@gnu.org> - - [truetype] Fix handling of `cvar' table data. - - Reported as - - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=53 - - * src/truetype/ttgxvar.c (tt_face_vary_cvt): Ignore invalid CVT - indices. - -2016-10-11 Werner Lemberg <wl@gnu.org> - - [psaux] Fix handling of invalid flex subrs. - - Problem reported as - - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52 - - * src/psaux/t1decode.c (t1_decoder_parse_charstrings) - <op_callothersubr>: Set `flex_state' after error checking. - -2016-10-11 Werner Lemberg <wl@gnu.org> - - * src/truetype/ttgxvar.c (tt_done_blend): Fix deallocation. - -2016-10-08 Werner Lemberg <wl@gnu.org> - - * src/cid/cidload.c (cid_face_open): Properly propagate `error'. - -2016-10-08 Werner Lemberg <wl@gnu.org> - - [cid] Fix parsing of subr offsets. - - Bug introduced 2016-05-16. - - * src/cid/cidparse.c (cid_parser_new): Fix off-by-one error. - -2016-10-01 Werner Lemberg <wl@gnu.org> - - [sfnt] Disable bitmap strikes if we don't have a bitmap data table. - - * src/sfnt/ttsbit.c (tt_face_load_sbit): Check whether we have - a bitmap data table. - -2016-10-01 Alexei Podtelezhnikov <apodtele@gmail.com> - - [smooth] Remove impossibility. - - * src/smooth/ftgrays.c (TWorker): Rearrange fields. - (gray_convert_glyph): Remove impossible condition and clean up. - -2016-09-29 Werner Lemberg <wl@gnu.org> - - [pcf] Enrich family name with foundry name and glyph width info. - - This is a very old patch from openSuSE (from 2006, submitted to - FreeType in 2011) that I forgot to apply. - - https://build.opensuse.org/package/view_file/openSUSE:Factory/freetype2/freetype2-bitmap-foundry.patch - - Prepend the foundry name plus a space to the family name. There are - many fonts just called `Fixed' which look completely different, and - which have nothing to do with each other. When selecting `Fixed' in - KDE or Gnome one gets results that appear rather random, the style - changes often if one changes the size and one cannot select some - fonts at all. - - We also check whether we have `wide' characters; all put together, - we get family names like `Sony Fixed' or `Misc Fixed Wide'. - - * src/pcf/pcfread.c (pcf_load_font): Implement it. - - * docs/CHANGES: Document it. - -2016-09-29 Werner Lemberg <wl@gnu.org> - - [ftfuzzer] Speed up. - - * src/tools/ftfuzzer/ftfuzzer.cc (LLVMFuzzerTestOneInput): Don't - check for embedded bitmaps if we have a non-default instance. - -2016-09-29 Werner Lemberg <wl@gnu.org> - - [truetype] Disallow bitmap strikes for non-default instances. - - Also speed up access of default instances if GX variations are - active. - - * include/freetype/internal/tttypes.h (TT_FaceRec): Add - `is_default_instance' member. - - * src/sfnt/sfobjs.c (sfnt_init_face): Initialize - `is_default_instance'. - - * src/truetype/ttgload.c (TT_Process_Simple_Glyph, - load_truetype_glyph): Add test for default instance. - (TT_Load_Glyph): Load embedded bitmaps for default instance only. - - * src/truetype/ttgxvar.c (TT_Set_MM_Blend): Compute - `is_default_instance'. - -2016-09-29 Werner Lemberg <wl@gnu.org> - - [truetype] Clean up `TT_Face' structure. - - * include/freetype/internal/tttypes.h (TT_FaceRec): Remove unused - fields `horz_metrics' and `vert_metrics'. - Update documentation. - - * src/sfnt/sfobjs.c (sfnt_done_face): Updated. - -2016-09-28 Werner Lemberg <wl@gnu.org> - - More FT_ZERO usage. - - * src/gxvalid/gxvcommn.c (gxv_ClassTable_validate): - s/ft_memset/FT_MEM_ZERO/. - - * src/psaux/t1decode.c (t1_decoder_parse_charstrings): - s/ft_memset/FT_ARRAY_ZERO/. - - * src/raster/ftraster.c (FT_ZERO): Define. - (ft_black_new): Use it. - * src/raster/ftrend1.c (ft_raster1_get_cbox): - s/FT_MEM_ZERO/FT_ZERO/. - - * src/smooth/ftgrays.c (FT_ZERO): Define. - (gray_raster_new): Use it. - * src/smooth/ftsmooth.c (ft_smooth_get_cbox): - s/FT_MEM_ZERO/FT_ZERO/. - -2016-09-28 Werner Lemberg <wl@gnu.org> - - */*: s/FT_MEM_ZERO/FT_ZERO/ where appropriate. - -2016-09-27 Werner Lemberg <wl@gnu.org> - - [truetype] Trace number of executed opcodes. - - * src/truetype/ttinterp.c (TT_RunIns): Implement it. - -2016-09-27 Werner Lemberg <wl@gnu.org> - - [truetype] Speed up `TT_Load_Glyph'. - - This avoids additional calls to `tt_face_lookup_table' for the - `glyf' table, which can be expensive. - - * include/freetype/internal/tttypes.h (TT_LoaderRec): Move - `glyf_offset' field to ... - (TT_FaceRec): ... this structure. - * src/truetype/ttgload.c (load_truetype_glyph): Updated. - (tt_loader_init): Move initialization of `glyf_offset' to ... - * src/truetype/ttpload.c (tt_face_load_loca): ... this function. - -2016-09-27 Werner Lemberg <wl@gnu.org> - - [truetype] Introduce dynamic limits for some bytecode opcodes. - - This speeds up FreeType's handling of malformed fonts. - - * src/truetype/ttinterp.c (TT_RunIns): Set up limits for the number - of twilight points, the total number of negative jumps, and the - total number of loops in LOOPCALL opcodes. The values are based on - the number of points and entries in the CVT table. - (Ins_JMPR): Test negative jump counter. - (Ins_LOOPCALL): Test loopcall counter. - - * src/truetype/ttinterp.h (TT_ExecContext): Updated. - - * docs/CHANGES: Updated. - -2016-09-25 Werner Lemberg <wl@gnu.org> - - [truetype] Sanitize only last entry of `loca' table. - - Without this patch, a loca sequence like `0 100000 0 100000 ...', - where value 100000 is larger than the `glyf' table size, makes - FreeType handle the whole `glyf' table as a single glyph again and - again, which is certainly invalid (and can be very slow, too). - - * src/truetype/ttpload.c (tt_face_get_location): Implement. - Improve tracing messages. - -2016-09-25 Werner Lemberg <wl@gnu.org> - - * src/tools/ftfuzzer/ftfuzzer.cc (LLVMFuzzerTestOneInput): Fix typo. - -2016-09-24 Werner Lemberg <wl@gnu.org> - - [autofit] Tracing fixes. - - * src/autofit/afmodule.c (af_autofitter_load_glyph): Call dumping - functions only if we actually do tracing. - -2016-09-22 Alexei Podtelezhnikov <apodtele@gmail.com> - - [smooth] Reduce divisions in the line renderer. - - We don't need some divisions if a line segments stays within a single - row or a single column of pixels. - - * src/smooth/ftgrays.c (gray_render_line) [FT_LONG64]: Make divisions - conditional. - -2016-09-15 Alexei Podtelezhnikov <apodtele@gmail.com> - - * src/smooth/ftgrays.c (gray_sweep): Remove check for empty table. - -2016-09-14 Alexei Podtelezhnikov <apodtele@gmail.com> - - [smooth] Another tiny speed-up. - - * src/smooth/ftgrays.c (gray_find_cell): Merge into... - (gray_record_cell): ... this function. - -2016-09-11 Alexei Podtelezhnikov <apodtele@gmail.com> - - * src/smooth/ftgrays.c (gray_{find,set}_cell): Remove dubious code. - -2016-09-11 Alexei Podtelezhnikov <apodtele@gmail.com> - - [smooth] Fix valgrind warning and reoptimize. - - The algorithm calls `gray_set_cell' at the start of each new contour - or when the contours cross the cell boundaries. Double-checking for - that is wasteful. - - * src/smooth/ftgrays.c (gray_set_cell): Remove check for a new cell. - (gray_convert_glyph): Remove initialization introduced by 44b172e88. - -2016-09-10 Werner Lemberg <wl@gnu.org> - - [sfnt] Fix previous commit. - - Problems reported as - - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40 - - We now map the strike index right before accessing the physical - data, not earlier. - - * src/sfnt/sfobjs.c (sfnt_load_face): Set `face->sbit_strike_map' - after creating the map so that... - - * src/sfnt/ttsbit.c (tt_face_load_strike_metrics): ... this function - can be used before and after setting up `sbit_strike_map'. - (tt_face_set_sbit_strike): Revert change. - (tt_sbit_decoder_init, tt_face_load_sbix_image): Map strike index. - - * src/truetype/ttdriver.c (tt_size_select): Revert change. - -2016-09-09 Werner Lemberg <wl@gnu.org> - - [ftfuzzer] Minor improvements. - - * src/tools/ftfuzzer/ftfuzzer.cc (LLVMFuzzerTestOneInput): Ignore - invalid strikes. - Use better values for call to `FT_Set_Char_Size'. - -2016-09-09 Werner Lemberg <wl@gnu.org> - - [sfnt] Don't provide (completely) broken strike data. - - FreeType tries to sanitize strike header data; we now reject - completely broken ones. - - * include/freetype/internal/tttypes.h (TT_FaceRec): New - `sbit_strike_map' array pointer. - - * src/base/ftobjs.c (FT_Match_Size): Reject matches where either - width or height would be zero. - Add tracing message in case of error. - - * src/sfnt/sfobjs.c (sfnt_load_face): Populate `sbit_strike_map', - only using (more or less) valid strike header data for - FT_Face's `available_sizes' array. - (sfnt_done_face): Updated. - - * src/sfnt/ttsbit.c (tt_face_set_sbit_strike): Use - `sbit_strike_map'. - (tt_face_load_strike_metrics): Improve tracing. - - * src/truetype/ttdriver.c (tt_size_select): Use `sbit_strike_map'. - -2016-09-08 Werner Lemberg <wl@gnu.org> - - * Version 2.7 released. - ======================= - - - Tag sources with `VER-2-7'. - - * docs/VERSION.TXT: Add entry for version 2.7. - - * 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/2.6.5/2.7/, s/265/27/. - - * include/freetype/freetype.h (FREETYPE_MINOR): Set to 7. - (FREETYPE_PATCH): Set to 0. - - * builds/unix/configure.raw (version_info): Set to 18:6:12. - * CMakeLists.txt (VERSION_MINOR): Set to 7. - (VERSION_PATCH): Set to 0. - - * docs/CHANGES: Updated. - -2016-09-08 Werner Lemberg <wl@gnu.org> - - * src/truetype/ttinterp.c: Include `ttgxvar.h'. - - This fixes the `multi' build. - -2016-09-08 Werner Lemberg <wl@gnu.org> - - [autofit] Another improvement to Armenian support. - - Suggested by Hrant H Papazian <hpapazian@gmail.com>. - - * src/autofit/afscript.h: Use better suited characters to derive - default stem widths. - -2016-09-07 Alexei Podtelezhnikov <apodtele@gmail.com> - - * src/smooth/ftgrays.c (gray_hline): Micro-optimize. - -2016-09-06 Alexei Podtelezhnikov <apodtele@gmail.com> - - [smooth] Operate in absolute bitmap coordinates. - - Simpler bitmap addressing improves performance by 1.5%. - - * src/smooth/ftgrays.c (gray_TWorker): Remove count fields. - (gray_dump_cells, gray_find_cell, gray_set_cell, gray_hline, - gray_sweep, gray_convert_glyph, gray_raster_render): Updated. - -2016-09-06 Alexei Podtelezhnikov <apodtele@gmail.com> - - [smooth] Improve contour start (take 2). - - * src/smooth/ftgrays.c (gray_move_to): Call `gray_set_cell' directly - instead of... - (gray_start_cell): ... this function, which is removed. - (gray_convert_glyph): Make initial y-coordinate invalid. - -2016-09-06 Werner Lemberg <wl@gnu.org> - - [type1] MM fonts support exactly zero named instances (#48748). - - * src/type1/t1load.c (T1_Get_MM_Var): Set `num_namedstyles' to zero. - -2016-09-06 Jonathan Kew <jfkthame@gmail.com> - - [cff] Fix uninitialized memory. - - Problem reported as - - https://bugzilla.mozilla.org/show_bug.cgi?id=1270288 - - * src/cff/cf2intrp.c (cf2_interpT2CharString): Initialize `storage' - array to handle a `get' opcode without a previous `put'. - -2016-09-05 Alexei Podtelezhnikov <apodtele@gmail.com> - - * src/smooth/ftgrays.c (gray_move_to, gray_start_cell): Revert. - -2016-09-05 Alexei Podtelezhnikov <apodtele@gmail.com> - - [smooth] Improve contour start. - - * src/smooth/ftgrays.c (gray_move_to): Call `gray_set_cell' directly - instead of... - (gray_start_cell): ... this function, which is removed. - -2016-09-05 Werner Lemberg <wl@gnu.org> - - [cff] Fix memory initialization. - - * src/cff/cf2stack.c (cf2_stack_init): Use `FT_NEW'. The `Q' - variants of FreeType's memory allocation macros don't do zeroing. - -2016-09-05 Werner Lemberg <wl@gnu.org> - - [ftrandom] Minor improvements. - - * src/tools/ftrandom/ftrandom.c (_XOPEN_SOURCE): New macro, set to - 500. - - * src/tools/ftrandom/Makefile (CFLAGS): Split off include - directories to ... - (INCLUDES): ... this new variable. - (LDFLAGS): New variable. - (ftrandom.o, ftrandom): Updated. - -2016-09-05 Werner Lemberg <wl@gnu.org> - - [autofit] Improve Armenian support. - - Thanks to Hrant H Papazian <hpapazian@gmail.com> for help. - - * src/autofit/afblue.dat (AF_BLUE_STRING_ARMENIAN_*): Improve - selection of characters. - - * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. - -2016-09-04 Werner Lemberg <wl@gnu.org> - - [ftrandom] Improve Makefile. - - It now supports both a normal build (`./configure && make') and a - development build (`make devel'). - - * src/tools/ftrandom/Makefile (VPATH): Set it so that - `libfreetype.a' gets searched in both `objs' (for the development - build) and `objs/.libs' (for a normal build which uses libtool). - (LIBS): Add missing libraries. - (ftrandom.o): New rule. - (ftrandom): Use automatic variables. - -2016-09-03 Werner Lemberg <wl@gnu.org> - - [truetype] More fixes for handling of GX deltas. - - Problems reported by Bob Taylor <Bob.Taylor@monotype.com>. - - * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Fix rough - sanity test for glyph variation array header size. - Always set stream position before reading packed x and y deltas. - Fix thinko w.r.t. `localpoints' array. - -2016-09-03 Werner Lemberg <wl@gnu.org> - - [ftrandom] Various fixes. - - * src/tools/ftrandom/ftrandom.c (GOOD_FONTS_DIR): Provide better - default. - (error_fraction): Make it of type `double' to work as advertized – - this was completely broken. - Update all related code. - (error_count, fcnt): Make it unsigned to fix compiler warnings. - Update all related code. - (fontlist): Change `len' member to `long' to fix compiler warnings. - (FT_MoveTo, FT_LineTo, FT_ConicTo, FT_CubicTo, abort_test): Tag - unused variables. - (TestFace, FindFonts, copyfont, do_test): Fix compiler warnings. - (ExecuteTest): Ditto. - Call `FT_Done_FreeType'. - (getErrorCnt): Replace `ceil' with an ordinary cast to `unsigned - int'. - (usage): Improve output. - (main): Fix compiler warnings. - - * src/tools/ftrandom/README: Updated. - -2016-09-03 Werner Lemberg <wl@gnu.org> - - [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 strike. - -2016-09-03 Werner Lemberg <wl@gnu.org> - - [cff] Avoid null pointer passed to FT_MEM_COPY (#48984). - - * src/cff/cffload.c (cff_index_get_name): Check `byte_len'. - -2016-09-02 Werner Lemberg <wl@gnu.org> - - [unix] Enable 64bit support in file system access (#48962). - - * builds/unix/configure.raw: Call `AC_SYS_LARGEFILE'. - -2016-09-02 Werner Lemberg <wl@gnu.org> - - [sfnt] Avoid left shift of negative value (#48980). - - * src/sfnt/ttsbit.c (tt_sbit_decoder_load_bit_aligned): Use unsigned - constant. - -2016-09-02 Werner Lemberg <wl@gnu.org> - - * src/smooth/ftgrays.c (gray_hline): Fix clang compiler warnings. - -2016-09-02 Werner Lemberg <wl@gnu.org> - - Some preparations for the next release. - - * include/freetype/config/ftoption.h - (TT_CONFIG_OPTION_SUBPIXEL_HINTING): Enable. - - * docs/CHANGES: Updated. - -2016-09-01 Alexei Podtelezhnikov <apodtele@gmail.com> - - [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 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%. - - * src/smooth/ftgrays.c (gray_render_span): Removed. The code is - migrated to... - (gray_hline): ... here. - -2016-08-30 Alexei Podtelezhnikov <apodtele@gmail.com> - - [smooth] Streamline pixmap drawing a bit more. - - Zero coverage is unlikely (1 out of 256) to warrant checking. This - gives 0.5% speed improvement in rendering simple glyphs. - - * src/smooth/ftgrays.c (gray_hline, gray_render_span): Remove checks. - -2016-08-29 Alexei Podtelezhnikov <apodtele@gmail.com> - - [smooth] Streamline pixmap drawing. - - This gives 2% speed improvement in rendering simple glyphs. - - * src/smooth/ftgrays.c (TPixmap): Reduced pixmap descriptor with a - pointer to its bottom-left and pitch to be used in... - (gray_TWorker): ... here. - (gray_render_span): Move pixmap flow check from here... - (gray_raster_render): .. to here. - -2016-08-27 Alexei Podtelezhnikov <apodtele@gmail.com> - - [smooth] Reduce stack of band boundaries. - - * src/smooth/ftgrays.c (gray_TBand): Removed. - (gray_convert_glyph): Updated to stack band boundaries concisely. - -2016-08-26 Werner Lemberg <wl@gnu.org> - - * src/cid/cidload.c (cid_face_open): Improve handling of `SDBytes'. - -2016-08-26 Werner Lemberg <wl@gnu.org> - - [cid] Fix commit from 2016-05-16. - - * src/cid/cidparse.c (cid_parser_new): Fix off-by-one errors. - -2016-08-26 Werner Lemberg <wl@gnu.org> - - [sfnt] Cache offset and size to bitmap data table. - - This commit avoids `EBDT' and friends being looked up again and - again while loading a single embedded bitmap. - - * include/freetype/internal/tttypes.h (TT_FaceRec) - [TT_CONFIG_OPTION_EMBEDDED_BITMAPS]: New fields `ebdt_start' and - `ebdt_size'. - - * src/sfnt/ttsbit.c (tt_sbit_decoder_init): Move table lookup to ... - (tt_face_load_sbit): ... this function; also store the table size - and offset. - -2016-08-26 Alexei Podtelezhnikov <apodtele@gmail.com> - - * src/smooth/ftgrays.c (gray_raster_render): Minor tweaks. - -2016-08-26 Werner Lemberg <wl@gnu.org> - - [type1] Fix heap buffer overflow. - - Reported as - - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36 - - * src/type1/t1load.c (parse_charstrings): Reject fonts that don't - contain glyph names. - -2016-08-25 Werner Lemberg <wl@gnu.org> - - [sfnt] Fix previous commit (#48901). - - * src/sfnt/ttcmap.c (tt_cmap4_char_map_binary): Thinkos. - -2016-08-25 Werner Lemberg <wl@gnu.org> - - [sfnt] Speed up handling of invalid format 4 cmaps. - - * src/sfnt/ttcmap.c (tt_cmap4_next, tt_cmap4_char_map_binary): Add - tests for `num_glyph' from `tt_cmap4_char_map_linear'. - -2016-08-25 Werner Lemberg <wl@gnu.org> - - * include/freetype/internal/ftdriver.h: Remove unused typedefs. - -2016-08-22 Alexei Podtelezhnikov <apodtele@gmail.com> - - [smooth] Simplify span rendering. - - This removes unnecessary complexity of span merging and buffering. - Instead, the spans are rendered as they come, speeding up the - rendering by about 5% as a result. - - * src/smooth/ftgrays.c [FT_MAX_GRAY_SPANS]: Macro removed. - (gray_TWorker): Remove span buffer and related fields. - (gray_sweep, gray_hline): Updated. - - * include/freetype/ftimage.h: Remove documentation note about - `FT_MAX_GRAY_SPANS', which was never in `ftoption.h' and is now gone. - -2016-08-16 Werner Lemberg <wl@gnu.org> - - [truetype] Fix `MPS' instruction. - - According to Greg Hitchcock, MPS in DWrite really returns the point - size. - - * src/truetype/ttobjs.h (TT_SizeRec): Add `point_size' member. - - * src/truetype/ttdriver.c (tt_size_request): Set `point_size'. - - * src/truetype/ttinterp.h (TT_ExecContextRec): Add `pointSize' - member. - - * src/truetype/ttinterp.c (TT_Load_Context): Updated. - (Ins_MPS): Fix instruction. - -2016-08-16 Werner Lemberg <wl@gnu.org> - - [lzw] Optimize last commit. - - * src/lzw/ftzopen.c (ft_lzwstate_get_code): Move check into - conditional clause. - -2016-08-16 Werner Lemberg <wl@gnu.org> - - [lzw] Avoid invalid left shift. - - Reported as - - https://bugzilla.mozilla.org/show_bug.cgi?id=1295366 - - * src/lzw/ftzopen.c (ft_lzwstate_get_code): Limit `num_bits'. - -2016-08-16 Werner Lemberg <wl@gnu.org> - - [lzw] Avoid buffer overrun. - - Reported as - - https://bugzilla.mozilla.org/show_bug.cgi?id=1273283 - - * src/lzw/ftzopen.c (ft_lzwstate_refill): Ensure `buf_size' doesn't - underflow. - -2016-08-16 Werner Lemberg <wl@gnu.org> - - [truetype] Fix compiler warning. - - * src/truetype/ttgload.c (load_truetype_glyph): Add cast. - -2016-08-13 Werner Lemberg <wl@gnu.org> - - [winfonts] Avoid zero bitmap width and height. - - Reported as - - https://bugzilla.mozilla.org/show_bug.cgi?id=1272173 - - * src/winfonts/winfnt.c (FNT_Face_Init): Check zero pixel height. - (FNT_Load_Glyph): Check for zero pitch. - -2016-08-11 Alexei Podtelezhnikov <apodtele@gmail.com> - - * src/truetype/ttinterp.c (Pop_Push_Count): Revert changes. - -2016-08-11 Alexei Podtelezhnikov <apodtele@gmail.com> - - * src/truetype/ttinterp.c (TT_RunIns): Minor and formatting. - -2016-08-11 Alexei Podtelezhnikov <apodtele@gmail.com> - - * src/truetype/ttinterp.c (Pop_Push_Count): Fix some entries. - -2016-08-10 Peter Klotz <Peter.Klotz@ith-icoserve.com> - - * src/smooth/ftgrays.c (gray_hline): Fix uninitialized access. - -2016-08-10 Werner Lemberg <wl@gnu.org> - - [sfnt] Use correct type for `italicAngle' field (#48732). - - * src/sfnt/ttload.c (tt_face_load_post): Fix types. - -2016-08-06 Jon Spencer <jon@jonspencer.ca> - - [sfnt] Fix `FT_Get_Advance' for bitmap strikes. - - `FT_Get_Advance' returns 0 for bitmap fonts. It first gets the - advance value from the font table and then scales it by the - `font->size->metrics->x_scale' field. But `FT_Select_Size' doesn't - set that value for bitmap fonts and the advance gets scaled to zero. - - Taken from - - https://github.com/behdad/harfbuzz/issues/252 - - * src/sfnt/ttsbit.c (tt_face_load_strike_metrics) - <TT_SBIT_TABLE_TYPE_EBLC>: Set scale values. - -2016-08-06 Behdad Esfahbod <behdad@behdad.org> - - [truetype] Fix GX variation handling of composites. - - * src/truetype/ttgload.c (load_truetype_glyph) - [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Check `ARGS_ARE_XY_VALUES' flag. - -2016-08-05 Alexei Podtelezhnikov <apodtele@gmail.com> - - [smooth] Minor refactoring. - - * src/smooth/ftgrays.c (gray_render_scanline, gray_render_line): - Updated. - -2016-07-29 Werner Lemberg <wl@gnu.org> - - [sfnt, truetype] Don't abort on invalid `maxComponentDepth'. - - Since 2016-05-16 we detect infinite recursion directly. - - * src/sfnt/ttload.c (tt_face_load_maxp): Don't adjust - `maxComponentDepth'. - * src/truetype/ttgload.c (load_truetype_glyph): Don't abort if - `maxComponentDepth' is not valid. Instead, simply adjust its value - and emit a tracing message. - -2016-07-26 Werner Lemberg <wl@gnu.org> - - * src/autofit/aflatin.c (af_latin_metrics_scale_dim): Minor. - - No functional change. - -2016-07-22 Hin-Tak Leung <htl10@users.sourceforge.net> - - [truetype] Record the end of IDEFs. - - To match the logic in FDEF. The value of the end is only used for - bound-checking in `Ins_JMPR', so it may not have been obvious that - it was not recorded. Tested (as part of Font Validator 2.0) all the - fonts on Fedora and did not see any change. - - * src/truetype/ttinterp.c (Ins_IDEF): Updated. - -2016-07-19 Werner Lemberg <wl@gnu.org> - - [truetype] Sanitizer fix, second try. - - * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Fix boundary - tests and use only one slot more. - -2016-07-19 Werner Lemberg <wl@gnu.org> - - [truetype] Sanitizer fix. - - * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Increase array - to fix nested loops. - -2016-07-18 Werner Lemberg <wl@gnu.org> - - [truetype] Make GETDATA work only for GX fonts. - - * src/truetype/ttinterp.c (opcode_name): Updated. - (Ins_GETDATA): Only define for `TT_CONFIG_OPTION_GX_VAR_SUPPORT'. - (TT_RunIns): Updated. - -2016-07-17 Werner Lemberg <wl@gnu.org> - - [truetype] Add support for Apple's - - GETDATA[], opcode 0x92 - - bytecode instruction. It always returns 17, and we have absolutely - no idea what it is good for... - - * src/truetype/ttinterp.c (Pop_Push_Count, opcode_name): Updated. - (Ins_GETDATA): New function. - (TT_RunIns): Add it. - -2016-07-16 Werner Lemberg <wl@gnu.org> - - [truetype] Add bytecode support for GX variation fonts. - - This commit implements undocumented (but confirmed) stuff from - Apple's old bytecode engine. - - GETVARIATION[], opcode 0x91 - This opcode pushes normalized variation coordinates for all axes - onto the stack (in 2.14 format). Coordinate of first axis gets - pushed first. - - GETINFO[], selector bit 3 - If GX variation support is enabled, bit 10 of the result is set - to 1. - - * src/truetype/ttinterp.c: Include FT_MULTIPLE_MASTERS_H. - (opcode_name) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Updated. - (Ins_GETINFO) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Handle selector - bit 3, checking support for variation glyph hinting. - (Ins_GETVARIATION) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New function - to implement opcode 0x91. - (TT_RunIns) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Handle opcode 0x91. - -2016-07-16 Werner Lemberg <wl@gnu.org> - - [truetype] Fix GETINFO bytecode instruction. - - * src/truetype/ttinterp.c (Ins_GETINFO): Fix return value for - stretching information. - -2016-07-16 Behdad Esfahbod <behdad@behdad.org> - - [truetype] Make all glyphs in `Zycon' GX font work. - - * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Fix boundary - tests. - -2016-07-16 Werner Lemberg <wl@gnu.org> - - [truetype] Fix GX delta tracing. - - * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Trace - relative point movements. - -2016-07-16 Behdad Esfahbod <behdad@behdad.org> - - [truetype] More fixes for GX. - - This finally fixes the rendering of the cyclist and the lizard in - the `Zycon' font. - - * src/truetype/ttgxvar.c (ft_var_readpackedpoints): `first' point - index is always cumulative. - - (tt_handle_deltas): Rename to... - (tt_interpolate_deltas): ... This. - Add new parameter for output point array. - Update caller. - - (TT_Vary_Apply_Glyph_Deltas): Add `points_out' array; it now holds - the intermediate results of `tt_interpolate_deltas' that are to be - added to `outline->points'. - -2016-07-15 Werner Lemberg <wl@gnu.org> - - * src/autofit/aflatin.c (af_latin_hints_compute_segments): Thinko. - - `max_pos' is always larger than `min_pos' so `FT_ABS' is not needed. - - Reported by Alexei. - -2016-07-16 Nikolaus Waxweiler <madigens@gmail.com> - - * src/truetype/ttinterp.c (Ins_MIRP): Fix copy-and-paste error. - - Problem reported by Hin-Tak Leung. - -2016-07-15 Werner Lemberg <wl@gnu.org> - - [autofit] Update and improve segment and edge tracing. - - * src/autofit/afhints.c (af_glyph_hints_dump_segments): Trace - `delta' also. - Don't show first point of segment as a replacement for `pos'; this - is (a) misleading, since the difference to `pos' can be almost - arbitrarily large in corner cases, and (b) it is better to have all - segment data in font units instead of a single value given in output - space coordinates. - Improve layout. - (af_glyph_hints_dump_edges): Show px->units and units->px conversion - values for convenience. - Improve layout. - -2016-07-15 Werner Lemberg <wl@gnu.org> - - [autofit] For edges, reject segments wider than 1px (#41334). - - * src/autofit/afhints.h (AF_SegmentRec): New member `delta'. - - * src/autofit/aflatin.c (af_latin_hints_compute_segments): Compute - `delta'. - (af_latin_hints_compute_edges): Reject segments with a delta larger - than 0.5px. - -2016-07-14 Werner Lemberg <wl@gnu.org> - - * include/freetype/freetype.h (FT_IS_NAMED_INSTANCE): New macro. - -2016-07-14 Werner Lemberg <wl@gnu.org> - - [sfnt] Fix `face_index' value in `FT_Face' for named instances. - - * src/sfnt/sfobjs.c (sfnt_init_face): Don't strip off higher 16bits. - -2016-07-14 Werner Lemberg <wl@gnu.org> - - * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Fix tracing. - -2016-07-14 Behdad Esfahbod <behdad@behdad.org> - - [truetype] Fix gxvar delta interpolation. - - The coordinates of the base font should be used for interpolation - purposes, NOT the current points (i.e., the result of accumulation - of previous deltas). - - * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Initialize - `points_org' before looping over all tuples. - - ----------------------------------------------------------------------------- - -Copyright 2016-2018 by -David Turner, Robert Wilhelm, and Werner Lemberg. - -This file is part of the FreeType project, and may only be used, modified, -and distributed under the terms of the FreeType project license, -LICENSE.TXT. By continuing to use, modify, or distribute this file you -indicate that you have read the license and understand and accept it -fully. - - -Local Variables: -version-control: never -coding: utf-8 -End: |