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Diffstat (limited to 'modules/freetype2/ChangeLog')
| -rw-r--r-- | modules/freetype2/ChangeLog | 2816 |
1 files changed, 1531 insertions, 1285 deletions
diff --git a/modules/freetype2/ChangeLog b/modules/freetype2/ChangeLog index 23f574823..806b8354a 100644 --- a/modules/freetype2/ChangeLog +++ b/modules/freetype2/ChangeLog @@ -1,15 +1,16 @@ -2016-09-08 Werner Lemberg <wl@gnu.org> +2018-05-01 Werner Lemberg <wl@gnu.org> - * Version 2.7.1 released. + * Version 2.9.1 released. ========================= - Tag sources with `VER-2-7-1'. + Tag sources with `VER-2-9-1'. - * docs/VERSION.TXT: Add entry for version 2.7.1. + * docs/VERSION.TXT: Add entry for version 2.9.1. + * docs/CHANGES: Updated. * README, Jamfile (RefDoc), builds/windows/vc2005/freetype.vcproj, - builds/windows/vc2005/index.html, + src/base/ftver.rc, builds/windows/vc2005/index.html, builds/windows/vc2008/freetype.vcproj, builds/windows/vc2008/index.html, builds/windows/vc2010/freetype.vcxproj, @@ -23,2074 +24,2319 @@ 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/. + builds/wince/vc2008-ce/index.html: s/2.9/2.9.1/, s/29/291/. * include/freetype/freetype.h (FREETYPE_PATCH): Set to 1. - * builds/unix/configure.raw (version_info): Set to 19:0:13. + * builds/unix/configure.raw (version_info): Set to 22:1:16. * CMakeLists.txt (VERSION_PATCH): Set to 1. -2016-12-30 Werner Lemberg <wl@gnu.org> + * include/freetype/ftgasp.h: Use FT_BEGIN_HEADER and FT_END_HEADER. + +2018-04-26 Werner Lemberg <wl@gnu.org> - [ftfuzzer] Replace `rand' with an xorshift algorithm. + Another fix for handling invalid format 2 cmaps. - * src/tools/ftfuzzer/ftfuzzer.cc: Don't include `stdlib.h'. - (Random): Implement and use a 32bit `xorshift' algorithm. + Sigh. -2016-12-30 Werner Lemberg <wl@gnu.org> + Reported as - [ftfuzzer] Restrict number of tested bitmap strikes. + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8003 - 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. + * src/sfnt/ttcmap.c (tt_cmap2_char_next): Adjust condition to avoid + an endless loop. - Reported as +2018-04-24 Ben Wagner <bungeman@google.com> + + [base] Avoid undefined behaviour in lcd filtering code (#53727). - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=353 + * src/base/ftlcdfil.c (ft_lcd_filter_fir, _ft_lcd_filter_legacy): + Ensure `height > 0'. - * 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]. - (LLVMFuzzerTestOneInput): Use it to test only up to 10 bitmap - strikes. +2018-04-22 Werner Lemberg <wl@gnu.org> -2016-12-29 Werner Lemberg <wl@gnu.org> + * src/base/ftoutln.c (FT_Outline_Decompose): Improve error tracing. - [truetype] Variation font API stability issues. +2018-04-22 Alexei Podtelezhnikov <apodtele@gmail.com> - Make some functions work before a call to `TT_Set_MM_Blend'. + [base] Fix bitmap emboldening. - * 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. + Bug introduced after release 2.8. -2016-12-29 Werner Lemberg <wl@gnu.org> + * src/base/ftbitmap.c (ft_bitmap_assure_buffer): We use + `FT_QALLOC_MULT', which doesn't zero out the buffer. Adjust the + bitmap copying code to take care of this fact. - * src/truetype/ttgxvar.c (TT_Get_MM_Var): Check axis data. +2018-04-22 Werner Lemberg <wl@gnu.org> + + Another fix for handling invalid format 2 cmaps. + + The previous commit was incomplete. Reported as - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=348 + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7928 + + * src/sfnt/ttcmap.c (tt_cmap2_char_next): Adjust condition to avoid + an endless loop. -2016-12-29 Werner Lemberg <wl@gnu.org> +2018-04-19 Werner Lemberg <wl@gnu.org - [truetype] Tracing fixes. + [autofit] Add support for Georgian Mtavruli characters. - * src/truetype/ttgxvar.c (tt_hadvance_adjust): Emit correct - information. - (TT_Set_Var_Design): Fix typo. - (TT_Get_Var_Design): Fix typos. + This will be part of the forthcoming Unicode 11.0. -2016-12-29 Werner Lemberg <wl@gnu.org> + * src/autofit/afblue.dat: Add blue zone data for Mtavruli. + * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. - */*: Use `0.5f' for tracing 16.16 numbers. + * src/autofit/afscript.h: Add Mtavruli standard character. -2016-12-29 Werner Lemberg <wl@gnu.org> +2018-04-18 Werner Lemberg <wl@gnu.org> - [pcf] Protect against gzip bombs. + Fix handling of invalid format 2 cmaps. - Fix suggested by Kostya; reported as + The problem was introduced after the last release. - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=345 + Reported as - * src/pcf/pcfread.c (pcf_read_TOC): Limit number of TOC entries to - 1024. + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7828 -2016-12-28 Werner Lemberg <wl@gnu.org> + * src/sfnt/ttcmap.c (tt_cmap2_char_next): Avoid endless loop. - [psnames] Only declare, not define, data in `pstables.h' (#49949). +2018-04-17 Werner Lemberg <wl@gnu.org> - 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. + [truetype] Integer overflow issues. - * 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. + Reported as - * src/psnames/pstables.h: Regenerated. - * src/psnames/psmodule.c (DEFINE_PS_TABLES): Define. + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7739 -2016-12-28 Werner Lemberg <wl@gnu.org> + * src/truetype/ttinterp.c (Ins_CEILING): Use FT_PIX_CEIL_LONG. - [cff] Catch `blend' op in non-variant fonts. +2018-04-16 Werner Lemberg <wl@gnu.org> + + [truetype] Integer overflow issues. Reported as - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=334 + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7718 - * src/cff/cf2intrp.c (cf2_interpT2CharString) <cf2_cmdBLEND>: Don't - allow `blend' op for non-variant fonts. + * src/truetype/ttinterp.c (Ins_MIRP): Use ADD_LONG. -2016-12-28 Werner Lemberg <wl@gnu.org> +2018-04-15 Alexei Podtelezhnikov <apodtele@gmail.com> - [cff] Better check of number of blends. + [build] Use `info' function of make 3.81. - * src/cff/cf2intrp.c (cf2_interpT2CharString) <cf2_cmdBLEND>, - src/cff/cffparse.c (cff_parse_blend): Compare number of blends with - stack size. + * configure, docs/INSTALL, docs/INSTALL.CROSS, docs/INSTALL.GNU, + docs/INSTALL.UNIX, docs/MAKEPP: Bump make version requirements. -2016-12-27 Werner Lemberg <wl@gnu.org> + * builds/detect.mk (std_setup): Replace `echo' with `info'. + (dos_setup): Removed. + * builds/unix/install.mk, builds/modules.mk, builds/dos/detect.mk, + builds/windows/detect.mk, builds/os2/detect.mk: Updated. + * builds/newline: No longer needed. - Documentation updates. +2018-04-15 Werner Lemberg <wl@gnu.org> - * docs/CHANGES: Add missing information. + [truetype]: Limit `SLOOP' bytecode argument to 16 bits. - * docs/formats.txt: Rewritten and updated. + This fixes -2016-12-27 Werner Lemberg <wl@gnu.org> + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7707 - [truetype, type1] Implement `FT_Get_Var_Design_Coordinates'. + * src/truetype/ttinterp.c (Ins_SLOOP): Do it. - * src/truetype/ttgxvar.c (TT_Get_Var_Design): Implement. - (TT_Set_Var_Design): Fix tracing. +2018-04-14 Werner Lemberg <wl@gnu.org> - * src/type1/t1load.c (T1_Get_Var_Design): Implement. + [truetype] Integer overflow issues. -2016-12-24 Werner Lemberg <wl@gnu.org> + Reported as - * src/truetype/ttpload.c (tt_face_load_hdmx): Ignore `version'. + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7652 - Problem reported by 張俊芝 <418092625@qq.com>. + * src/truetype/ttinterp.c (Ins_MDAP): Use SUB_LONG. -2016-12-24 Werner Lemberg <wl@gnu.org> +2018-04-14 Werner Lemberg <wl@gnu.org> - * src/sfnt/ttsbit.c (tt_face_load_sbit): Allow more version values. + [autofit] Update to Unicode 11.0.0. - Some fonts seem to have the `version' field in the wrong byte order. + But no support new scripts (volunteers welcomed). - Problem reported by 張俊芝 <418092625@qq.com>. + * src/autofit/afranges.c (af_arab_nonbase_uniranges, + af_beng_nonbase_uniranges, af_cakm_nonbase_uniranges, + af_deva_nonbase_uniranges, af_geor_uniranges, + af_gujr_nonbase_uniranges, af_mlym_nonbase_uniranges, + af_nkoo_nonbase_uniranges, af_telu_nonbase_uniranges, + af_hani_uniranges): Add new data. -2016-12-24 Werner Lemberg <wl@gnu.org> +2018-04-10 Nikolaus Waxweiler <madigens@gmail.com> - * src/truetype/ttpload.c (tt_face_load_loca): Sanitize table length. + * CMakeLists.txt, builds/cmake/FindHarfBuzz.cmake: Extensive + modernization measures. - This trivial fix allows us to accept more fonts. + This brings up the minimum required CMake version to 2.8.12. - Problem reported by 張俊芝 <418092625@qq.com>. + The installation paths follow the GNU defaults now, e.g. installing on a + 64 bit host will place binaries into the lib64/ folder on e.g. Fedora. -2016-12-24 Werner Lemberg <wl@gnu.org> + Symbols are hidden by default (e.g. `-fvisibility=hidden' on GCC). - * src/sfnt/sfobjs.c (sfnt_init_face): Fix tracing. + CMake will no longer look for a C++ compiler. -2016-12-22 Werner Lemberg <wl@gnu.org> + Library and .so version now match the Autotools build. - * CMakeLists.txt: Make it work with cmake 2.8.11.2 (#49909). + Comments in the build file and informational messages now use platform + agnostic example commands. -2016-12-22 Werner Lemberg <wl@gnu.org> + ftoption.h and ftconfig.h are written directly without a redundant `-new' + copy. - Ensure used preprocessor symbols are defined (#49790). + External dependencies are expressed as option()s and will turn up as such + in cmake-gui. - * builds/unix/ftconfig.in, builds/vms/ftconfig.h, - include/freetype/config/ftconfig.h: Check `__GNUC__', `__IBMC__', - and `__SUNPRO_C' correctly. + Internal: Properties such as dependencies and include directories are now + privately set on the freetype library instead of globally. + + The CPack definitions have been cleaned up, the `make dist' has been + removed. Source packages generated with CPack don't contain Autotools + files and aren't used by the maintainters anyway. + + On Windows, src/base/ftver.rc is compiled to decorate the library with + version and copyright information. + + A pkg-config file is now generated and installed. -2016-12-22 Werner Lemberg <wl@gnu.org> +2018-04-09 Werner Lemberg <wl@gnu.org> - * src/base/ftrfork.c (FT_Raccess_Get_DataOffsets): Check `count'. + [truetype] Integer overflow issues. Reported as - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=308 + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7453 -2016-12-22 Werner Lemberg <wl@gnu.org> + * src/truetype/ttinterp.c (Round_Super, Round_Super_45): Use + ADD_LONG and SUB_LONG. - [cff] Protect against invalid `vsindex' and `blend' values. +2018-04-06 Alexei Podtelezhnikov <apodtele@gmail.com> + + [windows, wince] Clean up legacy project files. + + * builds/wince/vc2005-ce/freetype.vcproj, + builds/wince/vc2008-ce/freetype.vcproj, + builds/windows/vc2005/freetype.vcproj, + builds/windows/vc2008/freetype.vcproj, + builds/windows/visualce/freetype.vcproj, + builds/windows/visualce/freetype.dsp, + builds/windows/visualc/freetype.vcproj, + builds/windows/visualc/freetype.dsp: Remove per-file compile flags. + +2018-04-04 Werner Lemberg <wl@gnu.org> + + [cff, type1] Sanitize `BlueFuzz' and `BlueShift'. Reported as - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=305 + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7371 + + * src/cff/cffload.c (cff_load_private_dict): Sanitize + `priv->blue_shift' and `priv->blue_fuzz' to avoid overflows later + on. + + * src/type1/t1load.c (T1_Open_Face): Ditto. + +2018-04-04 Ben Wagner <bungeman@google.com> + + * src/truetype/ttobjs.c (trick_names): Add 3 tricky fonts (#53554), + `DFHei-Md-HK-BF', `DFKaiShu-Md-HK-BF' and `DFMing-Bd-HK-BF'. + (tt_check_trickyness_sfnt_ids): Add checksums for 3 tricky fonts + in above. + +2018-04-01 Werner Lemberg <wl@gnu.org> + + * builds/toplevel.mk (work): Use $(SEP). + + This fixes the `make refdoc' using Cygwin: $(CAT) is `type' on this + platform, and this program only understands backslashes in paths. - * src/cff/cf2intrp.c (cf2_interpT2CharString) <cf2_cmdVSINDEX, - cf2_cmdBLEND>: Implement it. + Reported by Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com>. -2016-12-22 Werner Lemberg <wl@gnu.org> +2018-03-30 Werner Lemberg <wl@gnu.org> - [ftfuzzer] Always use Adobe CFF engine. + [truetype] Fix memory leak (only if tracing is on). - * src/tools/ftfuzzer/ftfuzzer.cc (FT_Global::FT_Global): Implement + * src/truetype/ttgxvar.c (TT_Get_MM_Var) [FT_DEBUG_LEVEL_TRACE}: Fix it. -2016-12-21 Werner Lemberg <wl@gnu.org> +2018-03-23 Ben Wagner <bungeman@google.com> - * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Thinko. + [sfnt] Correctly handle missing bitmaps in sbix format (#53404). - I should really stop coding late in the evening... + * src/sfnt/ttfsbit.c (tt_face_load_sbix_image): Fix return value. - Thanks again to Ben for checking. +2018-03-23 Ben Wagner <bungeman@google.com> -2016-12-21 Werner Lemberg <wl@gnu.org> + [truetype] Fix advance of empty glyphs in bitmap fonts (#53393). - [autofit] Support variation fonts. + * src/truetype/ttgload.c (TT_Load_Glyph): Apply scaling to metrics + for empty bitmaps. - (This ChangeLog entry was added later on.) +2018-03-22 Werner Lemberg <wl@gnu.org> - * src/autofit/afglobal.c (af_face_globals_free): Remove useless - code. + Remove `ftlcdfil.c' and `ftfntfmt.c' from build files (#53415). - * 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. + builds/amiga/makefile, builds/amiga/makefile.os4, + builds/amiga/smakefile, builds/mac/FreeType.m68k_cfm.make.txt, + builds/mac/FreeType.m68k_far.make.txt, + builds/mac/FreeType.ppc_carbon.make.txt, + builds/mac/FreeType.ppc_classic.make.txt, + builds/symbian/freetype.mmp, builds/wince/vc2005-ce/freetype.vcproj, + builds/wince/vc2008-ce/freetype.vcproj, + builds/windows/vc2005/freetype.vcproj, + builds/windows/vc2008/freetype.vcproj, + builds/windows/vc2010/freetype.vcxproj, + builds/windows/vc2010/freetype.vcxproj.filters, + builds/windows/visualc/freetype.dsp, + builds/windows/visualc/freetype.vcproj, + builds/windows/visualce/freetype.dsp, + builds/windows/visualce/freetype.vcproj, vms_make.com: Do it. + +2018-03-13 Werner Lemberg <wl@gnu.org> -2016-12-21 Werner Lemberg <wl@gnu.org> + * src/sfnt/ttcmap.c (tt_cmap2_validate): Fix potential numeric + overflow. - * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Thinko. +2018-03-13 Werner Lemberg <wl@gnu.org> - Don't apply deltas twice for non-phantom points. + Fix cmap format 2 handling (#53320). - Spotted by Ben Wagner. + The patch introduced for #52646 was not correct. -2016-12-21 Werner Lemberg <wl@gnu.org> + * src/sfnt/ttcmap.c (tt_cmap2_char_next): Adjust condition. - [cff, truetype] Another try for #49829. +2018-03-10 Nikolaus Waxweiler <madigens@gmail.com> - * src/cff/cffdrivr.c: Don't include - `FT_SERVICE_METRICS_VARIATIONS_H'. - (cff_get_advances): Use `ttface->variation_support'. + * CMakeLists.txt (BASE_SRCS): Update to changes from 2018-03-05. - * src/truetype/ttdriver.c (tt_get_advances): Use - `ttface->variation_support'. +2018-03-09 Chun-wei Fan <fanc999@yahoo.com.tw> - * src/truetype/ttgload.c (TT_Process_Simple_Glyph, - load_truetype_glyph): Use `ttface->variation_support'. + * CMakeLists.txt [win32]: Allow MSVC DLL builds (#53287). -2016-12-21 Werner Lemberg <wl@gnu.org> + Do not limit DLL builds to MinGW, since we already have + `__declspec(dllexport)' directives in `ftconfig.h'. + Also suppress more warnings for POSIX functions. - [truetype, sfnt] Introduce font variation flags to `TT_Face'. +2018-03-08 Hugh McMaster <hugh.mcmaster@outlook.com> - * 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'. + Make installation of `freetype-config' optional (#53093). - * src/sfnt/sfobjs.c (sfnt_init_face, sfnt_load_face): Use - `variation_support'. + * builds/unix/configure.raw: Add option `--enable-freetype-config' + and set `INSTALL_FT2_CONFIG'. + * builds/unix/unix-def.in (INSTALL_FT2_CONFIG): Define. + * builds/unix/install.mk (install): Handle it. - * src/truetype/ttgxvar.c (ft_var_load_hvar): Set `variation_support' - field. - (TT_Vary_Apply_Glyph_Deltas): Updated. +2018-03-05 Werner Lemberg <wl@gnu.org> -2016-12-21 Werner Lemberg <wl@gnu.org> + Make `ftlcdfil.c' part of the `base' module. - [base] Improve sanity check for Mac resources (#49888). + `ftobjs.c' needs `ft_lcd_padding'. - * src/base/ftobjs.c (Mac_Read_sfnt_Resource): Abort if `rlen' is not - positive. + Problem reported by duhuanpeng <548708880@qq.com>. -2016-12-20 Werner Lemberg <wl@gnu.org> + * modules.cfg (BASE_EXTENSIONS): Don't include `ftlcdfil.c'. - [base] More sanity checks for Mac resources. + * src/base/ftbase.c: Include `ftlcdfil.c'. + * src/base/rules.mk (BASE_SRC): Add `ftlcdfil.c'. + * src/base/Jamfile (_sources): Adjusted. - We use + * docs/INSTALL.ANY: Updated. - https://github.com/kreativekorp/ksfl/wiki/Macintosh-Resource-File-Format +2018-03-05 Werner Lemberg <wl@gnu.org> - and + Make `ftfntfmt.c' part of the `base' module. - https://developer.apple.com/legacy/library/documentation/mac/pdf/MoreMacintoshToolbox.pdf#page=151 + `ftobjs.c' needs `FT_Get_Font_Format'. - as references. + Problem reported by duhuanpeng <548708880@qq.com>. - * include/freetype/internal/ftrfork.h (FT_RFork_Ref): Use FT_Short - for `res_id'. + * modules.cfg (BASE_EXTENSIONS): Don't include `ftfntfmt.c'. - * 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. + * src/base/ftbase.c: Include `ftfntfmt.c'. + * src/base/rules.mk (BASE_SRC): Add `ftfntfmt.c'. + * src/base/Jamfile (_sources): Adjusted. -2016-12-20 Werner Lemberg <wl@gnu.org> + * docs/INSTALL.ANY: Updated. - [truetype] Improve logic for getting fast advance widths. +2018-03-01 Werner Lemberg <wl@gnu.org> - * 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. + * src/truetype/ttinterp.c (TT_RunIns): Fix tracing arguments. -2016-12-20 Ben Wagner <bungeman@google.com> - Werner Lemberg <wl@gnu.org> +2018-02-23 Werner Lemberg <wl@gnu.org> - [truetype] Fix linear metrics of GX variation fonts (#49829). + * builds/unix/configure.raw: Need HarfBuzz 1.3.0 or newer. - 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 reported by Alan Coopersmith <alan.coopersmith@oracle.com>. - Problem also reported as +2018-02-17 Werner Lemberg <wl@gnu.org> - https://bugs.chromium.org/p/skia/issues/detail?id=5917 + [sfnt] Prefer `CBDT'/`CBLC' over `glyf' table (#53154). - * src/truetype/ttgload.c (TT_Process_Simple_Glyph, - load_truetype_glyph): Implement linear advance adjustments if `HVAR' - or `VVAR' tables are missing. +2018-02-06 Werner Lemberg <wl@gnu.org> -2016-12-20 Werner Lemberg <wl@gnu.org> + [truetype] Integer overflow issues. - [cff, truetype] Fast advance width retrieval for fonts with HVAR. + Reported as - Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6027 - * src/base/ftadvanc.c (LOAD_ADVANCE_FAST_CHECK): Don't handle MM. + * src/truetype/ttinterp.c (Ins_MSIRP, Ins_MIAP, Ins_MIRP): Use + SUB_LONG; avoid FT_ABS. - * src/cff/cffdrivr.c: Include FT_SERVICE_METRICS_VARIATIONS_H. - (cff_get_advances): Test for HVAR and VVAR. +2018-02-04 Alexei Podtelezhnikov <apodtele@gmail.com> - * src/truetype/ttdriver.c (tt_get_advances): Test for HVAR and VVAR. + [unix] Use -fvisibility=hidden. -2016-12-18 Werner Lemberg <wl@gnu.org> + It is now widely recommended that ELF shared libraries hide symbols + except those with explicit __attribute__((visibility("default"))). + This is supported by all major compilers and should rather be an + option in libtool. + + * builds/unix/configure.raw: Add -fvisibility=hidden to CFLAGS. + * builds/unix/ftconfig.in, builds/vms/ftconfig.h, + include/freetype/config/ftconfig.h (FT_EXPORT): Use visibility + attribute. - [base] Fix invalid mac font recursion. +2018-01-27 Werner Lemberg <wl@gnu.org> + + [truetype] Better protection against invalid VF data. Reported as - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=304 + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5739 - * 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'. + Bug introduced in commit 08cd62deedefe217f2ea50e392923ce8b5bc7ac7. -2016-12-18 Werner Lemberg <wl@gnu.org> + * src/truetype/ttgxvar.c (TT_Set_Var_Design): Always initialize + `normalizedcoords'. - * src/cff/cffobjs.c (cff_face_init): Make named instances work. +2018-01-27 Werner Lemberg <wl@gnu.org> -2016-12-18 Werner Lemberg <wl@gnu.org> + * src/truetype/ttinterp.c (Ins_GETVARIATION): Avoid NULL reference. - [truetype, cff] Extend `get_var_blend' function of MM service. + Reported as - In particular, we need access to named instance data. + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5736 - * include/freetype/internal/services/svmm.h (FT_Get_Var_Blend_Func): - Add argument for `FT_MM_Var'. +2018-01-27 Werner Lemberg <wl@gnu.org> - * src/cff/cffload.c (cff_get_var_blend): Updated. - * src/cff/cffload.h: Updated. + * src/truetype/ttgxvar.c (tt_set_mm_blend): Minor. - * src/cff/cf2ft.c (cf2_getNormalizedVector): Updated. +2018-01-27 Werner Lemberg <wl@gnu.org> - * src/truetype/ttgxvar.c (tt_get_var_blend): Updated. - Accept value `NULL' for arguments. - * src/truetype/ttgxvar.h: Updated. + [truetype] Better trace VF instances. -2016-12-18 Werner Lemberg <wl@gnu.org> + * src/truetype/ttgxvar.c (ft_var_to_normalized): Don't emit number + of coordinates. + (TT_Get_MM_Var): Trace instance indices names. + (TT_Set_Var_Design): Updated. - [sfnt] Handle `fvar' with zero axes as a non-MM font. +2018-01-27 Werner Lemberg <wl@gnu.org> - This is better behaviour than exiting with an error. + [truetype] Beautify tracing of VF axis records. - * include/freetype/internal/tttypes.h (TT_Face): Add `use_fvar' - field. + * src/truetype/ttgxvar.c (TT_Get_MM_Var): Show axis records in a + table-like manner. - * 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. +2018-01-26 Ben Wagner <bungeman@google.com> - * src/truetype/ttgxvar.c (TT_Get_MM_Var): Remove `fvar' validation - code. + [truetype] Fix multiple calls of `FT_Get_MM_Var' (#52955). -2016-12-18 Werner Lemberg <wl@gnu.org> + * src/truetype/ttgxvar.c (TT_Get_MM_Var): Set + `face->blend->num_axis' in case we have to initialize the + `face->blend'. - Minor GX code shuffling. +2018-01-23 Alexei Podtelezhnikov <apodtele@gmail.com> - * include/freetype/internal/tttypes.h (TT_Face): Move - `is_default_instance' into TT_CONFIG_OPTION_GX_VAR_SUPPORT - block. + [apinames] Anonymous version map for GNU linker. - * src/sfnt/sfobjs.c (sfnt_init_face): Updated. - * src/truetype/ttgload.c (IS_DEFAULT_INSTANCE): New macro. - (TT_Load_Glyph): Use it. + * src/tools/apinames.c (PROGRAM_VERSION): Set to 0.3. + (OutputFormat): Add `OUTPUT_GNU_VERMAP'. + (names_dump): Handle it. + (usage): Updated. + (main): Handle new command line flag `-wL'. -2016-12-18 Werner Lemberg <wl@gnu.org> +2018-01-21 Alexei Podtelezhnikov <apodtele@gmail.com> - [cff] Better handling of non-CFF font formats. + [unix] Call libtool to clean up. - * src/cff/cffload.c (cff_font_load): Pure CFFs don't have a - signature, so return `FT_Err_Unknown_File_Format' more often. + * builds/unix/install.mk (clean_project_unix, distclean_project_unix): + Use libtool. + * builds/freetype.mk: Minor. -2016-12-17 Werner Lemberg <wl@gnu.org> +2018-01-18 Alexei Podtelezhnikov <apodtele@gmail.com> - * src/cff/cffload.c (cff_build_blend_vector): Remove redundant code. + * src/base/ftver.rc: Fix mingw-w64 compilation. -2016-12-17 Werner Lemberg <wl@gnu.org> +2018-01-18 Alexei Podtelezhnikov <apodtele@gmail.com> - * src/truetype/ttobjs.c (tt_face_init): Simplify conditional code. + [build] Enable VERSIONINFO resource for Cygwin/MinGW. -2016-12-17 Werner Lemberg <wl@gnu.org> + * builds/unix/configure.raw: Check for resource compiler. + * builds/unix/unix-cc.in: Conditionally set up resource compiler. + * builds/freetype.mk: Add conditional rule for `ftver.rc'. + * src/base/ftver.rc: Copyright notice and year update. - [sfnt, truetype] Various sanitizing fixes. +2018-01-18 Alexei Podtelezhnikov <apodtele@gmail.com> - * src/sfnt/sfobjs.c (sfnt_init_face): If the axis count in `fvar' is - zero, set `num_instances' to zero. + [build] Move VERSIONINFO resource. - * src/truetype/ttgxvar.c (TT_Get_MM_Var): Handle `fvar' table with - zero axes as invalid. + * builds/windows/vc2010/freetype.vcxproj: Updated. + * builds/windows/ftver.rc: Move file from here... + * src/base/ftver.rc: ... to here. - * src/truetype/ttobjs.c (tt_face_init): Improve logic of loading - `loca', `cvt', `fpgm', and `prep' table. +2018-01-12 Alexei Podtelezhnikov <apodtele@gmail.com> -2016-12-17 Werner Lemberg <wl@gnu.org> + [build] Expand dllexport/dllimport to Cygwin/MinGW. - Improve tracing of `FT_Open_Face'. + * include/freetype/config/ftconfig.h: Respect DLL_EXPORT, + s/_MSC_VER/_WIN32/. + * builds/unix/ftconfig.in: Replicate here. + * builds/vms/ftconfig.h: Replicate here. - * 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. +2018-01-12 Alexei Podtelezhnikov <apodtele@gmail.com> - * src/sfnt/sfobjs. (sfnt_open_font): Trace number of subfonts. + [build] Improve and document MSVC build. -2016-12-17 Werner Lemberg <wl@gnu.org> + * include/freetype/config/ftconfig.h: Guard dllexport/dllimport + attributes with _DLL and FT2_DLLIMPORT. + * builds/windows/vc2010/index.html: Update documentation. - * src/cff/cffload.c (cff_load_private_dict): Always init `blend'. +2018-01-10 Steve Robinson <ssrobins@gmail.com> - Reported as + * CMakeLists.txt [win32]: Suppress warnings for POSIX functions. - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=295 +2018-01-10 Ewald Hew <ewaldhew@gmail.com> -2016-12-16 Werner Lemberg <wl@gnu.org> + [psaux] Correctly handle Flex features (#52846). - [truetype] Fix `cvar' sanity test. + * src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_cmdVMOVETO, + cf2_cmdHMOVETO>: Do not move if doing Flex. - Reported by Dave Arnold. +2018-01-09 Alexei Podtelezhnikov <apodtele@gmail.com> - * src/truetype/ttgxvar.c (tt_face_vary_cvt): Use tuple count mask. + * builds/windows/vc2010/freetype.sln: Synchronize with the project. -2016-12-16 Werner Lemberg <wl@gnu.org> +2018-01-08 Werner Lemberg <wl@gnu.org> - [cff, truetype] Remove compiler warnings; fix `make multi'. + * Version 2.9 released. + ======================= - * 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'. + Tag sources with `VER-2-9'. - * src/cff/cffload.h: Include `cffobjs.h'. - Provide declaration for `cff_load_private_dict'. + * docs/VERSION.TXT: Add entry for version 2.9. + + * README, Jamfile (RefDoc), builds/windows/vc2005/freetype.vcproj, + builds/windows/vc2005/index.html, + builds/windows/vc2008/freetype.vcproj, + builds/windows/vc2008/index.html, + builds/windows/vc2010/freetype.vcxproj, + builds/windows/vc2010/index.html, + builds/windows/visualc/freetype.dsp, + builds/windows/visualc/freetype.vcproj, + builds/windows/visualc/index.html, + builds/windows/visualce/freetype.dsp, + builds/windows/visualce/freetype.vcproj, + builds/windows/visualce/index.html, + builds/windows/ftver.rc, + builds/wince/vc2005-ce/freetype.vcproj, + builds/wince/vc2005-ce/index.html, + builds/wince/vc2008-ce/freetype.vcproj, + builds/wince/vc2008-ce/index.html: s/2.8.1/2.9/, s/281/29/. - * src/truetype/ttgxvar.c (ft_var_load_hvar): Eliminate - `minorVersion' and `map_offset'. + * include/freetype/freetype.h (FREETYPE_MINOR): Set to 9. + (FREETYPE_PATCH): Set to 0. -2016-12-16 Werner Lemberg <wl@gnu.org> + * builds/unix/configure.raw (version_info): Set to 22:0:16. + * CMakeLists.txt (VERSION_PATCH): Set to 0. - [cff] Fix heap buffer overflow (#49858). +2018-01-07 Werner Lemberg <wl@gnu.org> - * src/cff/cffparse.c (cff_parser_run): Add one more stack size - check. + Add check for librt, needed for `ftbench' (#52824). -2016-12-15 Werner Lemberg <wl@gnu.org> + * builds/unix/configure.raw (LIB_CLOCK_GETTIME): Define; this will + hold `-lrt' if necessary. - Fix clang warnings. + * builds/unix/unix-cc.in (LIB_CLOCK_GETTIME): New variable. - * src/cff/cffload.c (cff_blend_doBlend): Add cast. - (cff_subfont_load): Set `error' correctly. +2018-01-07 Ewald Hew <ewaldhew@gmail.com> - * src/sfnt/ttmtx.c (tt_face_get_metrics): Typo. + [psaux] Fix Type 1 glyphs with too many stem hints. -2016-12-15 Dave Arnold <darnold@adobe.com> - Werner Lemberg <wl@gnu.org> + According to the CFF specification, charstrings can have up to 96 stem + hints. Due to hint replacement routines in Type 1 charstrings, some + glyphs are rejected by the Adobe engine, which implements the above + limit. This fix turns off hinting for such glyphs. - [cff] Implement CFF2 support (2/2). + * src/psaux/pshints.c (cf2_hintmap_build): Reset the error from calling + `cf2_hintmask_setAll' on a problematic Type 1 charstring and turn off + hinting. - 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). +2018-01-06 Werner Lemberg <wl@gnu.org> - * src/cff/cf2font.c (cf2_font_setup): Add support for font - variation. - * src/cff/cf2font.h (CF2_Font): Add fields for variation data. + Add `FT_Done_MM_Var'. - * src/cff/cf2ft.c (cf2_free_instance): Free blend data. - (cf2_getVStore, cf2_getNormalizedVector): New functions. - * src/cff/cf2ft.h: Updated. + This is necessary in case the application's memory routines differ + from FreeType. A typical example is a Python application on Windows + that calls FreeType compiled as a DLL via the `ctypes' interface. - * 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. + * include/freetype/ftmm.h, src/base/ftmm.c (FT_Done_MM_Var): Declare + and define. - * 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. + * docs/CHANGES: Updated. - * src/cff/cffobjs.c (cff_face_done): Updated. +2018-01-03 Werner Lemberg <wl@gnu.org> - * 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. + [truetype] Round offsets of glyph components only if hinting is on. - * src/cff/cfftoken.h: Handle `vstore', `vsindex', and `blend' - dictionary values. + * src/truetype/ttgload.c (TT_Process_Composite_Component): Implement + it. - * 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. +2018-01-03 Werner Lemberg <wl@gnu.org> - * 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. + * src/truetype/ttgxvar.c (ft_var_to_design): Remove dead code. -2016-12-15 Dave Arnold <darnold@adobe.com> - Werner Lemberg <wl@gnu.org> + This is a better fix than the previous commit, which is now + reverted. - [cff] Implement CFF2 support (1/2). +2018-01-03 Alexei Podtelezhnikov <apodtele@gmail.com> - This commit does not contain the blend code for font variation - support, which follows in another commit. + Move internal LCD-related declarations. - You should ignore whitespace while inspecting this commit. + * include/freetype/ftlcdfil.h (ft_lcd_padding, ft_lcd_filter_fir): + Move from here... + * include/freetype/internal/ftobjs.h: ... to here. - * include/freetype/internal/tttypes.h (TT_Face): Add `isCFF2' - member. +2018-01-03 Alexei Podtelezhnikov <apodtele@gmail.com> - * src/cff/cf2font.h (CF2_Font): Add `isCFF2' member. + * include/freetype/config/ftconfig.h (FT_EXPORT, FT_EXPORT_DEF) + [_MSC_VER]: Limit Visual C++ attributes. - * src/cff/cf2ft.c (cf2_decoder_parse_charstrings): Handle `isCFF2' - flag. - (cf2_getMaxstack): New function. - * src/cff/cf2ft.h: Updated. +2018-01-03 Werner Lemberg <wl@gnu.org> - * src/cff/cf2intrp.c (cf2_escRESERVED_38): New enum. - (cf2_interpT2CharString): Handle CFF2 differences. - Add tracing message for errors. + [truetype] Make blend/design coordinate round-tripping work. - * src/cff/cffdrivr.c (cff_get_glyph_name, cff_get_name_index): - Update for CFF2. + Behdad reported that setting blend coordinates, then getting design + coordinates did incorrectly return the default instance's + coordinates. - * 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/truetype/ttgxvar.c (tt_set_mm_blend): Fix it. - * src/cff/cffobjs.c (cff_face_init): Handle CFF2. +2017-12-31 Werner Lemberg <wl@gnu.org> - * 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/sfnt/ttcmap.c (tt_cmap2_char_next): Fix endless loop. - * src/cff/cfftoken.h: Add fields for CFF2 dictionaries (but no blend - stuff). + Reported as - * 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. + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4838 - * src/sfnt/sfobjs.c (sfnt_load_face): Handle `CFF2' table. +2017-12-31 Werner Lemberg <wl@gnu.org> -2016-12-15 Werner Lemberg <wl@gnu.org> - Dave Arnold <darnold@adobe.com> + Synchronize other Windows project files. - [truetype] Provide HVAR advance width variation as a service. + * builds/windows/*: Add missing files. - Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. +2017-12-31 Werner Lemberg <wl@gnu.org> - * src/truetype/ttdriver.c (tt_service_metrics_variations): Updated. + Update Visual C 2010 project files. - * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Prevent - double adjustment of advance width. + Problem reported by Hin-Tak. - * src/sfnt/ttmtx.c: Include FT_SERVICE_METRICS_VARIATIONS_H. - (tt_face_get_metrics): Apply metrics variations. + * builds/windows/vc2010/freetype.vcxproj: Add files `ftbdf.c' and + `ftcid.c'. + Sort entries. + * builds/windows/vc2010/freetype.vcxproj.filter: Ditto. + Fix members of `FT_MODULE' group. -2016-12-15 Dave Arnold <darnold@adobe.com> - Werner Lemberg <wl@gnu.org> +2017-12-30 Werner Lemberg <wl@gnu.org> - [truetype] Provide function to apply `HVAR' advance width variation. + * builds/vms/ftconfig.h: Synchronize with unix `ftconfig.in' file. - Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. +2017-12-28 Werner Lemberg <wl@gnu.org> - * src/truetype/ttgxvar.c (tt_hadvance_adjust): New function. - * src/truetype/ttgxvar.h: Updated. + * builds/unix/ftconfig.in: Synchronize with main `ftconfig.h' file. -2016-12-15 Dave Arnold <darnold@adobe.com> - Werner Lemberg <wl@gnu.org> + Reported by Nikolaus. - [truetype] Add `HVAR' table parsing. +2017-12-27 Werner Lemberg <wl@gnu.org> - Note that this is not complete yet; it only handles advance width - variation. + Fix compiler warnings. - Activation of the code follows in another commit. + * src/base/ftbitmap.c (ft_bitmap_assure_buffer): Make `pitch' and + `new_pitch' unsigned. - Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. + * src/base/ftpsprop.c: Include FT_INTERNAL_POSTSCRIPT_PROPS_H. - * include/freetype/ftmm.h (FT_Var_Named_Style): Add `psid' member. +2017-12-27 Werner Lemberg <wl@gnu.org> - * 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. + Fixes for `make multi'. - * 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. + * include/freetype/internal/ftpsprop.h: Use `FT_BASE_CALLBACK'. + (ps_property_get): Harmonize declaration with corresponding + function typedef. -2016-12-15 Dave Arnold <darnold@adobe.com> + * include/freety[e/internal/fttrace.h: Add `trace_psprops'. - [cff] Extend number parsing. + * src/base/ftpsprop.c: Include necessary header files. + (FT_COMPONENT): Define. + (ps_property_set): Tag with `FT_BASE_CALLBACK_DEF'. + (ps_property_get): Tag with `FT_BASE_CALLBACK_DEF'. + Harmonize declaration with corresponding function typedef. - The forthcoming CFF2 support needs a dynamic parsing limit. +2017-12-27 Werner Lemberg <wl@gnu.org> - * 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. + Provide support for intra-module callback functions. - * src/cff/cffparse.h (cff_parse_num): Export locally. + This is needed especially for `make multi' with C++. -2016-12-15 Dave Arnold <darnold@adobe.com> + * include/freetype/config/ftconfig.h (FT_BASE_CALLBACK, + FT_BASE_CALLBACK_DEF): New macros. - [cff] Implement dynamic stack size for Adobe engine. +2017-12-25 Ewald Hew <ewaldhew@gmail.com> - This also adds `cf2_stack_setReal' and `cf2_stack_pop', needed for - the forthcoming CFF2 support. + Move PostScript drivers' property handlers to `base'. - * 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. + This reduces the amount of duplicated code across PostScript + drivers. - * src/cff/cf2stack.h (CF2_Stack): Add `stackSize' member. - Update function declarations. + * src/cff/cffdrivr.c, src/cid/cidriver.c, src/type1/t1driver.c + ({cff,cid,t1}_property_{get,set}): Moved to... + * include/freetype/internal/ftpsprop.h: ...this new file. + (ps_property_{get,set}): New functions to replace moved ones. - * src/cff/cf2intrp.c (cf2_interpT2CharString): Updated. + * src/base/ftpsprop.c: New file that implements above functions. - * src/cff/cffparse.c (cff_parser_init): Add parameter for stack - size; return error code. - (cff_parser_done): New function. - (cff_parser_run): Updated. + * include/freetype/internal/internal.h + (FT_INTERNAL_POSTSCRIPT_PROPS_H): New macro. - * src/cff/cffparse.h (CFF_Parser): Add `stackSize' member and make - `stack' a pointer. - Update function declarations. + * src/cff/cffdrivr.c, src/cid/cidriver.c, src/type1/t1driver.c: + Updated. - * src/cff/cffload.c (cff_load_private_dict, cff_subfont_load): + * src/base/Jamfile, src/base/rules.mk (BASE_SRC), src/base/ftbase.c: Updated. -2016-12-15 Dave Arnold <darnold@adobe.com> - Werner Lemberg <wl@gnu.org> +2017-12-20 Werner Lemberg <wl@gnu.org> - [cff] Code shuffling. + Speed up FT_Set_Var_{Design,Blend}_Coordinates if curr == new. - * src/cff/cfftypes.h (CFF_Font): Add `library' and `base_offset' - fields. + We exit early if the current design or blend coordinates are + identical to the new ones. - * 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. + * src/truetype/ttgxvar.c (tt_set_mm_blend, TT_Set_Var_Design): + Implement it, returning internal error code -1 if there will be no + variation change. -2016-12-14 Werner Lemberg <wl@gnu.org> + * src/type1/t1load.c (t1_set_mm_blend): Ditto. - [sfnt, truetype] Add framework for Metrics Variations service. + * src/base/ftmm.c (FT_Set_Var_Design_Coordinates, + FT_Set_MM_Blend_Coordinates, FT_Set_Var_Blend_Coordinates): Updated. - No effect yet; service functions will be implemented later on. +2017-12-18 Werner Lemberg <wl@gnu.org> - Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. + [sfnt] Fix charmap type 2 iterator (#52646). - * include/freetype/internal/services/svmetric.h: New file. + The subsetted demo font of the report that exhibits the bug has a + very unusual type 2 cmap for Unicode(!): It contains only two + sub-headers, one for one-byte characters (covering the range 0x20 to + 0xFA), and a second one for higher byte 0x01 (just for character + code U+0131). - * include/freetype/internal/ftserv.h - (FT_SERVICE_METRICS_VARIATIONS_H): New macro. + Before this commit, the iterator wasn't able to correctly handle a + sub-header for higher byte 0x01. - * include/freetype/internal/tttypes.h (TT_Face): New field `var'. + * src/sfnt/ttcmap.c (tt_cmap2_char_next): Fix character increment + for outer loop. - * src/sfnt/sfobjs.c: Include FT_SERVICE_METRICS_VARIATIONS_H. - (sfnt_init_face): Initialize `face->var'. +2017-12-18 Matthias Clasen <matthias.clasen@gmail.com> - * src/truetype/ttdriver.c: Include FT_SERVICE_METRICS_VARIATIONS_H. - (tt_service_metrics_variations): New service. - (tt_services): Updated. + [truetype] Fix clamping, minor tracing code beautification. - * src/truetype/ttpic.h: Updated. + * src/truetype/ttgxvar.c (ft_var_to_normalized): Trace number of + design coordinates. + Use clamped value. -2016-12-14 Werner Lemberg <wl@gnu.org> +2017-12-18 Werner Lemberg <wl@gnu.org> - [cff] Add Multiple Masters service. + * src/*/*: Only use `ft_' and `FT_' variants of stdc library stuff. - The code simply uses the MM functions from the `truetype' module. +2017-12-18 Werner Lemberg <wl@gnu.org> - Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT. + * src/truetype/ttgxvar.c (tt_face_vary_cvt): Add size guard (#52688). - * include/freetype/internal/tttypes.h (TT_Face): New field `mm'. +2017-12-18 Werner Lemberg <wl@gnu.org> - * 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. + [truetype] Fix previous commit. - * src/cff/cffload.c (cff_get_var_blend, cff_done_blend): New - functions. - * src/cff/cffload.h: Updated. + * src/truetype/ttgload.c (TT_Process_Simple_Glyph): Correctly handle + unhinted phantom points, which must be properly scaled. + +2017-12-18 Werner Lemberg <wl@gnu.org> + + [truetype] Don't apply HVAR and VVAR deltas twice (#52683). + + * src/truetype/ttgload.c (TT_Process_Simple_Glyph): Always adjust + `pp1' to `pp4', except if we have an HVAR and/or VVAR table. + + * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Handle + alternative code branch identically w.r.t. presence of an HVAR + and/or VVAR table. + +2017-12-17 Jonathan Kew <jfkthame@gmail.com> + + [truetype] Correctly handle variation font phantom points (#52683). + + * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Fix phantom + point indices. + +2017-12-17 Jonathan Kew <jfkthame@gmail.com> + + Fix incorrect advance width scaling (#52683). + + * src/base/ftadvance.c (FT_Get_Advances): Always respect the + FT_LOAD_NO_SCALE flag if present. + +2017-12-16 Alexei Podtelezhnikov <apodtele@gmail.com> + + * builds/windows/vc2010/freetype.vcxproj: AfterBuild copy. + * objs/.gitignore: Ignore almost everything. + +2017-12-11 Werner Lemberg <wl@gnu.org> - * src/cff/cffpic.h (CFF_SERVICE_MULTI_MASTERS_GET): New macro. + Fix compiler warning (#52640). - * src/sfnt/sfobjs.c: Include FT_SERVICE_MULTIPLE_MASTERS_H. - (sfnt_init_face): Initialize `face->mm'. + * src/base/ftbitmap.c (ft_bitmap_assure_buffer): Remove unused + variable. -2016-12-14 Werner Lemberg <wl@gnu.org> +2017-12-08 Azzuro <azzuro@team-mediaportal.com> - Extend functionality of `ft_module_get_service'. + * builds/windows/vc2010/freetype.vcxproj: Adjust output directory. - It can now differentiate between local and global searches. + This allows builds with different configurations in parallel. - * src/base/ftobjs.c (ft_module_get_service): Add `global' argument. - (FT_Get_TrueType_Engine_Type): Updated. +2017-12-08 Werner Lemberg <wl@gnu.org> - * src/cff/cffdrivr.c (cff_get_ps_name, cff_get_cmap_info): Updated. + Fix `make setup dos', second try (#52622). - * include/freetype/internal/ftobjs.h: Updated. - * include/freetype/internal/ftserv.h (FT_FACE_FIND_GLOBAL_SERVICE): + * builds/detect.mk (dos_setup): Don't use literal `>' character at + all. Mixing the different escaping rules from make, dos, and + windows is too fragile. + +2017-12-08 Werner Lemberg <wl@gnu.org> + + [docmaker] Fix code section parsing. + + Stuff like + + { + <bla> + } + + confused the parser, which incorrectly treated `<bla>' as a markup + tag. + + * src/tools/docmaker/content.py (ContentProcessor::process_content): + Apply `re_markup_tags' only outside of code sections. + +2017-12-08 Werner Lemberg <wl@gnu.org> + + New `ftdriver.h' file, covering all driver modules. + + This reduces redundancy and increases synergy; it also reduces the + number of header files. + + * include/freetype/config/ftheader.h (FT_DRIVER_H): New macro. + (FT_AUTOHINTER_H, FT_CFF_DRIVER_H, FT_TRUETYPE_DRIVER_H, + FT_PCF_DRIVER_H, FT_TYPE1_DRIVER_H): Make them aliases to + FT_DRIVER_H. + + * include/freetype/ftautoh.h, include/freetype/ftcffdrv.h, + include/freetype/ftpcfdrv.h, include/freetype/ftt1drv.h, + include/freetype/ftttdrv.h: Replaced with... + * include/freetype/ftdriver.h: ...this new file. + (FT_CFF_HINTING_ADOBE, FT_T1_HINTING_ADOBE): Renamed to... + (FT_HINTING_ADOBE): ... this new macro. + (FT_CFF_HINTING_FREETYPE, FT_T1_HINTING_FREETYPE): Renamed to... + (FT_HINTING_FREETYPE): ... this new macro. + + * src/*/*: Updated accordingly. + +2017-12-08 Werner Lemberg <wl@gnu.org> + + Move `ftdriver.h' to `ftdrv.h'. + + * include/freetype/internal/ftdriver.h: Renamed to... + * include/freetype/internal/ftdrv.h: ... this name. + + * include/freetype/internal/internal.h (FT_INTERNAL_DRIVER_H): Updated. -2016-12-14 Werner Lemberg <wl@gnu.org> +2017-12-08 Werner Lemberg <wl@gnu.org> - * src/truetype/ttgxvar.c (tt_get_var_blend): Fix compiler warning. + Fix access to uninitalized memory (#52613). -2016-12-14 Dave Arnold <darnold@adobe.com> - Werner Lemberg <wl@gnu.org> + Also reported as - [sfnt, cff] Minor preparations. + https://bugs.chromium.org/p/chromium/issues/detail?id=791317 - * include/freetype/tttags.h (TTAG_CFF2, TTAG_HVAR, TTAG_MVAR, - TTAG_VVAR): New SFNT table tags. + * src/base/ftbitmap.c (ft_bitmap_assure_buffer): If increasing the + bitmap size needs a larger bitmap buffer, assure that the new memory + areas are initialized also. - * src/cff/cf2fixed.h (CF2_FIXED_ONE, CF2_FIXED_EPSILON): Add cast. +2017-12-08 Werner Lemberg <wl@gnu.org> -2016-12-10 Werner Lemberg <wl@gnu.org> + Fix `make setup dos' (#52622). - [truetype, type1] Add `get_var_blend' to MM service. + * builds/detect.mk (dos_setup): Properly escape literal `>' + character. - For internal use; we want to share code between the forthcoming CFF2 - support and TrueType. +2017-12-07 Werner Lemberg <wl@gnu.org> - * include/freetype/internal/services/svmm.h (FT_Get_Var_Blend_Func): - New typedef. - (MultiMasters): Add `get_var_blend'. - (FT_Service_MultiMasters): Updated. + Fix C++ compilation. - * src/truetype/ttgxvar.c (tt_get_var_blend): New function. - * src/truetype/ttgxvar.h: Updated. + * src/psaux/psauxmod.h: Use FT_CALLBACK_TABLE macro where necessary. - * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Updated. - * src/type1/t1driver.c (t1_service_multi_masters): Updated. + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Fix warning. -2016-12-10 Werner Lemberg <wl@gnu.org> +2017-12-07 Werner Lemberg <wl@gnu.org> - [truetype, type1] Add `done_blend' to MM service. + Fix `make multi'. - For internal use; we want to share code between the forthcoming CFF2 - support and TrueType. + * include/freetype/internal/fttrace.h: Remove unused tracing macros. + s/pshalgo2/pshalgo/. + Add `trace_cffdecode'. + * src/pshinter/pshalgo.c (FT_COMPONENT): Updated. - * include/freetype/internal/services/svmm.h (FT_Done_Blend_Func): - New typedef. - (MultiMasters): Add `done_blend'. - (FT_Service_MultiMasters): Updated. + * src/cff/cffload.c: Include FT_INTERNAL_POSTSCRIPT_AUX_H. + * src/cff/cffobjs.c: Include FT_SERVICE_METRICS_VARIATIONS_H and + FT_SERVICE_CFF_TABLE_LOAD_H. - * src/truetype/ttgxvar.c (tt_done_blend): Use `TT_Face' as argument. - * src/truetype/ttgxvar.h: Updated. + * src/cid/cidriver.c: Include FT_INTERNAL_POSTSCRIPT_AUX_H. - * src/truetype/ttobjs.c (TT_Face_Done): Updated. + * src/psaux/cffdecode.c: Include FT_FREETYPE_H and + FT_INTERNAL_DEBUG_H. + (FT_COMPONENT): Define. + * src/psaux/cffdecode.h: Include FT_INTERNAL_POSTSCRIPT_AUX_H. + * src/psaux/psauxmod.h: Include FT_INTERNAL_POSTSCRIPT_AUX_H. + Declare `cff_builder_funcs' and `ps_builder_funcs'. + * src/psaux/psft.c: Include `psobjs.h' and `cffdecode.h'. + * src/psaux/psobjs.c : Include `psauxmod.h'. - * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Updated. - * src/type1/t1driver.c (t1_service_multi_masters): Updated. +2017-12-07 Werner Lemberg <wl@gnu.org> -2016-12-09 Werner Lemberg <wl@gnu.org> + * include/freetype/config/ftheader.h: Some clean-up. - [sfnt] Revert change from 2016-12-08. + This commit removes documentation of deprecated macros and does some + minor streamlining. - I missed the functionality of `ft_module_get_service', which makes - the change unnecessary. +2017-12-06 Werner Lemberg <wl@gnu.org> -2016-12-08 Werner Lemberg <wl@gnu.org> + * builds/symbian/bld.inf: Updated. - Add framework to support services with 8 functions. +2017-12-06 Werner Lemberg <wl@gnu.org> - We will need this for CFF variation font support. + New header file `ftparams.h' that collects all parameter tags. - * include/freetype/internal/ftserv.h (FT_DEFINE_SERVICEDESCREC8): - New macro. + * include/freetype/config/ftheader.h (FT_PARAMETER_TAGS_H): New + macro. + (FT_TRUETYPE_UNPATENTED_H, FT_UNPATENTED_HINTING_H): Define it to + `ftparams.h'. -2016-12-08 Werner Lemberg <wl@gnu.org> + * include/freetype/ftautoh.h, include/freetype/ftcffdrv.h, + include/freetype/ftincrem.h, include/freetype/ftlcdfil.h, + include/freetype/ftsnames.h, include/freetype/ftt1drv.h: Include + FT_PARAMETER_TAGS_H. + Move FT_PARAM_TAG_XXX definitions to... + * include/freetype/ftparams.h: ...this new file. - [sfnt] Add `get_glyph_name' and `get_name_index' to SFNT interface. + * include/freetype/ttunpat.h: Remove. No longer needed. - CFF2 fonts will need access to those two functions. +2017-12-05 Werner Lemberg <wl@gnu.org> - * 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. + Improve tracing messages by using singular and plural forms. - * 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. + * src/*/*.c: Implement it. -2016-12-06 Dave Arnold <darnold@adobe.com> +2017-12-04 Werner Lemberg <wl@gnu.org> - Add `FT_Get_Var_Design_Coordinates' function. + [truetype] Allow shared points in `cvar' table (#52532). - Note that the low-level functions aren't implemented yet. + * src/truetype/ttgxvar.c (tt_face_vary_cvt): Implement it by copying + and adjusting the corresponding code from + `TT_Vary_Apply_Glyph_Deltas'. - * include/freetype/ftmm.h: Declare. +2017-11-28 Werner Lemberg <wl@gnu.org> - * 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. + [truetype] Improving tracing of composite glyphs. - * src/base/ftmm.c (FT_Get_Var_Design_Coordinates): Implement. + * src/truetype/ttgload.c (TT_Load_Composite_Glyph) + [FT_DEBUG_LEVEL_TRACE]: Show composite glyph information. - * src/truetype/ttdriver.c: Updated. +2017-11-27 Werner Lemberg <wl@gnu.org> - * src/truetype/ttgxvar.c (TT_Get_Var_Design): New dummy function to - handle `get_var_design' service. - * src/truetype/ttgxvar.h: Updated. + [type1] Allow (again) `/Encoding' with >256 elements (#52464). - * src/type1/t1driver.c: Updated. + In version 2.6.1, this has been disallowed to better reject + malformed fonts; however, this restriction was too strong. This + time, we only take the first 256 elements into account, since + encoding arrays are always accessed with a 8bit integer, according + to the PostScript Language Reference. - * src/type1/t1load.c (T1_Get_Var_Design): New dummp function to - handle `get_var_design' service. - * src/type1/t1load.h: Updated. + * src/type1/t1load.c (parse_encoding): Implement it. -2016-12-06 Werner Lemberg <wl@gnu.org> +2017-11-27 Jan Alexander Steffens (heftig) <jan.steffens@gmail.com> - * src/type1/t1load.c (parse_subrs): Fix memory leak. + Fix last commit (#52522). - The `subrs' keyword might erroneously occur multiple times. + * builds/freetype.mk: Set `FT_OPTION_H' and `FTOPTION_FLAG' + properly if we have `ftoption.h' in `BUILD_DIR'. - Reported as +2017-11-24 Werner Lemberg <wl@gnu.org> - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=231 + [unix] Install a massaged `ftoption.h' file (#51780). -2016-12-01 Werner Lemberg <wl@gnu.org> + * builds/unix/configure.raw (ftoption_set, ftoption_unset): New + auxiliary functions to construct... + (FTOPTION_H_SED): ... this new variable. + Apply it as a sed argument while copying `ftoption.h' to the + `builds/unix' directory (using `AC_CONFIG_FILES'). + Simplify code of test that checks cpp's computation of bit length + (the test previously created an empty `ftoption.h' file and deleted + it immediately afterwards); without this change, it can happen on my + GNU/Linux box that `configure's execution of `config.status' doesn't + create `ftoption.h' (no idea why this happens). - [gzip] Improve building with external zlib (#49673). + * builds/unix/install.mk (install): Install + `builds/unix/ftoption.h'. - Building FreeType with external zlib 1.2.8 makes msvc 14 stop with - the following error. + * builds/unix/unix-def.in (DISTCLEAN): Updated. - 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 + * builds/unix/.gitignore: Updated. - 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 +2017-11-23 Tor Andersson <tor.andersson@artifex.com> - #include <zlib.h> + Silence unused function warnings (#52465). - which correctly finds an external `zlib.h', but `zlib.h' itself has - a line + Some static function declarations cause unused function warnings if + certain config options are turned off via `ftoption.h'. - #include "zconf.h" + * src/base/ftbase.h, src/base/ftrfork.c, src/sfnt/ttbdf.h, + src/truetype/ttgxvar.h: Add #ifdef guards around these sections. - which makes Visual Studio 2015 find `src/gzip/zconf.h' while - compiling the files in `src/gzip'. +2017-11-22 Ewald Hew <ewaldhew@gmail.com> - * src/gzip/zconf.h: Rename to... - * src/gzip/ftzconf.h: ... this. - * src/gzip/zlib.h, src/gzip/rules.mk (GZIP_DRV_SRCS): Updated. + * src/psaux/psft.c (cf2_setGlyphWidth): Check format before setting. -2016-12-01 Oleksandr Chekhovskyi <oleksandr.chekhovskyi@gmail.com> + Reported as - [autofit] Fix Emscripten crash (patch #9180). + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4377 - Function calls through pointers must use a matching signature to - work on Emscripten, since such calls are dispatched through lookup - tables grouped by signature. +2017-11-22 Ewald Hew <ewaldhew@gmail.com> - * src/autofit/aftypes.h (AF_WritingSystem_ApplyHintsFunc): Fix - typedef. + [psaux] Fix CFF advance widths. (#52466) -2016-11-29 Werner Lemberg <wl@gnu.org> + Glyph advance widths were being written to the new `PS_Decoder' but not + saved to the underlying format specific decoder. This caused pure CFF + fonts to have bad advance width. - [smooth] Revert previous commit. Already fixed with 6ca54c64. + * include/freetype/internal/psaux.h (PS_Decoder): Change `glyph_width' + field to pointer. + Remove unused fields. + * src/psaux/psobjs.c (ps_decoder_init): Change `glyph_width' from copy + to reference. + Remove unused. + * src/psaux/psft.c (cf2_setGlyphWidth): Update code. -2016-11-29 Werner Lemberg <wl@gnu.org> +2017-11-15 Vlad Tsyrklevich <vtsyrklevich@google.com> - [smooth] Avoid conditional jump on uninitialized value (#49711). + * include/freetype/ftrender.h: Fix `FT_Renderer_RenderFunc' type. - * src/smooth/ftgrays.c (gray_raster_render): Initialize `worker'. +2017-11-14 Nikolaus Waxweiler <madigens@gmail.com> -2016-11-27 Nikolaus Waxweiler <madigens@gmail.com> + Use Adobe hinting engine for `light' hinting of both CFF and Type 1. - [autofit] Code shuffling. + Since Ewald Hew factored the Adobe hinting engine out of the CFF + driver code, we can now use it on Type 1 (and CID) font formats, as + both have the same hinting philosophy. - Also improve some comments and remove unused code. + This change activates the Adobe hinter when in LIGHT mode, and + therefore always unless explicitly asking for the auto-hinter. This + makes LIGHT behavior consistent with CFF fonts. As of this commit, + the hinting engine table looks as follows. - No functional change. + LIGHT NORMAL + ------------------------- + TrueType Auto v40 + CFF Adobe Adobe + Type 1 Adobe Adobe - * 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. +2017-11-10 Yuri Levchenko <yuri_levchenko@boolat.com> -2016-11-17 Werner Lemberg <wl@gnu.org> + * CMakeLists.txt: Add `DISABLE_FORCE_DEBUG_PREFIX' option. - Better support of LLP64 systems with gcc (and clang). +2017-11-06 Alexei Podtelezhnikov <apodtele@gmail.com> - * builds/unix/configure.raw: Call `AC_TYPE_LONG_LONG_INT'. + * src/base/ftobjs.c (FT_Load_Glyph): Relocate condition. - * builds/unix/ftconfig.in (FT_LONG64): Enable for LLP64 systems (and - suppress warnings) even without `FT_CONFIG_OPTION_FORCE_INT64'. +2017-11-06 Alexei Podtelezhnikov <apodtele@gmail.com> -2016-11-10 Werner Lemberg <wl@gnu.org> + * src/smooth/ftgrays.c (gray_set_cell): Fix uninitialized variables. - Fix `lcd_weights' array size. +2017-11-03 Ewald Hew <ewaldhew@gmail.com> - * include/freetype/internal/ftobjs.h (FT_LibraryRec): Do it. + [psaux] Fix PostScript interpreter rewinding in Type 1 mode. (#52251) - Reported by Nikolaus. + The interpreter in Type 1 mode rewinds the charstring after collecting + all hints for building the initial hintmap (commit d52dd7f). However, + some charstrings use `endchar' in a final subroutine call, rewinding to + the start of that subroutine, and only a small section of the actual + glyph is drawn. -2016-11-06 Werner Lemberg <wl@gnu.org> + * src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_cmdENDCHAR>: + Ensure we are on the top level charstring before rewinding. - * src/base/ftobjs.c (FT_Render_Glyph_Internal): Fix tracing. +2017-11-03 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> -2016-11-06 Werner Lemberg <wl@gnu.org> + [truetype] Add more tricky fonts. - [sfnt] Improve FT_LOAD_BITMAP_METRICS_ONLY for `sbix' format. + See the report by Yang Yinsen. + https://lists.gnu.org/archive/html/freetype-devel/2017-11/msg00000.html - 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/truetype/ttobjs.c (trick_names): Add `DFGothic-EB', + `DFGyoSho-Lt', `DFHSGothic-W5', `DFHSMincho-W3' and `DFHSMincho-W7'. + (tt_check_trickyness_sfnt_ids): Add checksums for DFGothic-EB, + DFGyoSho-Lt, DFHSGothic-W5, DFHSMincho-W3 and DFHSMincho-W7. Also + add checksums for DLCLiShu and DLCHayBold which their family names + were already listed but their checksums were previously unknown. - * 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. +2017-11-01 Alexei Podtelezhnikov <apodtele@gmail.com> -2016-11-06 Werner Lemberg <wl@gnu.org> + [smooth] Fix complex rendering at high ppem. - [sfnt] Speed up `sbix' lookup. + We used to split large glyphs into horizontal bands and continue + bisecting them still horizontally if that was not enough. This is + guaranteed to fail when a single scanline cannot fit into the + rendering memory pool. Now we bisect the bands vertically so that + the smallest unit is a column of the band height, which is guranteed + to fit into memory. - This also fixes a bug introduced in 2016-10-01 which prevents - display of embedded bitmap fonts that use the `sbix' format. + * src/smooth/ftgrays.c (gray_convert_glyph): Implement it. - * 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. +2017-10-20 Alexei Podtelezhnikov <apodtele@gmail.com> - (tt_face_load_strike_metrics) <TT_SBIT_TABLE_TYPE_SBIX>: Use - `ebdt_size' and `ebdt_start' - (tt_face_load_sbix_image): Ditto. + [smooth] Improve complex rendering at high ppem. -2016-11-06 Seigo Nonaka <nona@google.com> - Werner Lemberg <wl@gnu.org> + At large sizes almost but not exactly horizontal segments can quickly + drain the rendering pool. This patch at least avoids filling the pool + with trivial cells. Beyond this, we can only increase the pool size. - Introduce a way of quickly retrieving (embedded) bitmap metrics. + Reported, analyzed, and tested by Colin Fahey. - `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. + * src/smooth/ftgrays.c (gray_set_cell): Do not record trivial cells. - * include/freetype/freetype.h (FT_LOAD_BITMAP_METRICS_ONLY): New - macro. +2017-10-20 Alexei Podtelezhnikov <apodtele@gmail.com> - * src/base/ftobjs.c (FT_Load_Glyph): Unset FT_LOAD_RENDER if - FT_LOAD_BITMAP_METRICS_ONLY is used. + [base] Improve tracing in FT_Load_Glyph, FT_*_Size. - * 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/base/ftobjs.c (FT_Load_Glyph): Tag tracing messages with + function name, glyph index, and load flags. + (FT_Select_Metrics, FT_Request_Metrics): Remove all tracing. + (FT_Select_Size, FT_Request_Size): Improve tracing. - * src/pcf/pcfdrivr.c (PCF_Glyph_Load): Quickly exit if - `FT_LOAD_BITMAP_METRICS_ONLY' is set. +2017-10-18 Alexei Podtelezhnikov <apodtele@gmail.com> - * 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. + [base] Improve tracing in FT_Render_Glyph. - * src/winfonts/winfnt.c (FNT_Load_Glyph): Ditto. + * src/base/ftobjs.c (FT_Render_Glyph_Internal): Add total coverage + calculations and downgrade Netpbm dump to bitmap:7. - * docs/CHANGES: Updated. +2017-10-15 Ewald Hew <ewaldhew@gmail.com> -2016-11-06 Werner Lemberg <wl@gnu.org> + [cff] Fix segfault on missing `psaux' (#52218) - Synchronize with gnulib (#49448). + * src/cff/cffload.c (cff_done_blend): Add a check for possible nullptr. - * 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. + * modules.cfg: Update dependency list. -2016-11-03 Behdad Esfahbod <behdad@behdad.org> +2017-10-15 Alexei Podtelezhnikov <apodtele@gmail.com> - [truetype] Clamp variation requests to valid range. + [base, cff] Fix MSVC warnings. - This is required by OpenType 1.8; it also avoids rounding surprises. + * src/base/ftobjs.c (FT_New_Library): C4702: unreachable code. + (ft_glyphslot_preset_bitmap): C4244: possible loss of data. + * src/cff/cffload.c (cff_blend_doBlend): C4244: possible loss of data. + Turn `sum' into unsigned. - * 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. +2017-10-14 Alexei Podtelezhnikov <apodtele@gmail.com> -2016-10-29 Werner Lemberg <wl@gnu.org> + [base] Netpbm image tracing. - [truetype] Remove clang warnings. + * src/base/ftobjs.c (FT_Load_Glyph): Trace bitmap size. + (FT_Render_Glyph_Internal): Trace bitmap in Netpbm format. - * src/truetype/ttinterp.h (TT_ExecContextRec): Using `FT_ULong' for - loop counter handling. + * src/smooth/ftgrays.c (gray_sweep): Sweep remnants of span tracing. - * src/truetype/ttinterp.c: Updated. - (Ins_SCANTYPE): Use signed constant. - (TT_RunIns): Ensure `num_twilight_points' is 16bit. +2017-10-14 Alexei Podtelezhnikov <apodtele@gmail.com> -2016-10-27 Werner Lemberg <wl@gnu.org> + * builds/windows/ftdebug.c (FT_Message): Print to stderr. + * builds/wince/ftdebug.c (FT_Message): Ditto. - [truetype] Fix commit from 2014-11-24. +2017-10-14 Behdad Esfahbod <behdad@behdad.org> - Problem reported by Hin-Tak Leung <htl10@users.sourceforge.net>. + [afshaper] Delay creating `hb_set' objects until needed. - * src/truetype/ttpload.c (tt_face_load_hdmx): Fix file checking - logic. + In runs on Noto Naskh Arabic, this results in 89 sets created + instead of 340 before. Makes auto-hinter setup with HarfBuzz + enabled 20% to 30% faster. -2016-10-26 Werner Lemberg <wl@gnu.org> + * src/autofit/afshaper.c (af_shaper_get_coverage): Implement it. - Add `FT_Get_{MM,Var}_Blend_Coordinates' functions. +2017-10-12 Ewald Hew <ewaldhew@gmail.com> - * include/freetype/ftmm.h: Declare. + [type1, cid] Add hinting engine switch. - * 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. + Implement property service in `type1' and `cid' drivers to allow + switching between FreeType or Adobe hinting engine when both are + available. - * src/base/ftmm.c (FT_Get_MM_Blend_Coordinates, - FT_Get_Var_Blend_Coordinates): Implement. + * src/cid/cidriver.c (cid_property_{set,get}, cid_services), + src/type1/t1driver.c (t1_property_{set,get}, t1_services): Add + Properties service. - * src/truetype/ttdriver.c: Updated. + * src/cid/cidobjs.c (cid_driver_init), src/type1/t1objs.c + (T1_Driver_Init): Add default property values. - * src/truetype/ttgxvar.c (TT_Get_MM_Blend): New function to handle - `get_mm_blend' service. - * src/truetype/ttgxvar.h: Updated. +2017-10-12 Ewald Hew <ewaldhew@gmail.com> - * src/type1/t1driver.c: Updated. + Add T1_CONFIG_OPTION_OLD_ENGINE configuration option. - * src/type1/t1load.c (T1_Get_MM_Blend): New function to handle - `get_mm_blend' service. - * src/type1/t1load.h: Updated. + This controls whether the old Type 1 engine gets compiled into FreeType. + It is disabled by default. + + * devel/ftoption.h, include/freetype/config/ftoption.h + (T1_CONFIG_OPTION_OLD_ENGINE): New macro. + + * include/freetype/internal/psaux.h (PS_Decoder): Remove unused field. + * include/freetype/internal/psaux.h, src/cid/cidgload.c + (cid_load_glyph), src/psaux/psauxmod.c, src/psaux/psobjs.c + (ps_builder_add_point), src/psaux/t1decode.c + (t1_lookup_glyph_by_stdcharcode, t1_decoder_parse_glyph, + t1operator_seac, t1_decoder_parse_charstrings), src/psaux/t1decode.h, + src/type1/t1gload.c (T1_Parse_Glyph_And_Get_Char_String): Surround + relevant code with macro. + Minor code changes. + +2017-10-12 Ewald Hew <ewaldhew@gmail.com> + + Extract width parsing from Type 1 parser. - * docs/CHANGES: Document. + Duplicate the fast advance width calculations from the old parser. + This is to facilitate adding options for compiling out the old parser. -2016-10-26 Werner Lemberg <wl@gnu.org> + * src/psaux/t1decode.{c,h} (t1_decoder_parse_metrics): New function. + * include/freetype/internal/psaux.h (T1_Decoder_Funcs): New entry + `parse_metrics'. + * src/psaux/psauxmod.c: Set the new entry. - * src/type1/t1load.c (parse_subrs): Fix limit check. + * src/type1/t1gload.c (T1_Parse_Glyph_And_Get_Char_String), + src/cid/cidgload.c (cid_load_glyph): Separate + conditional for selecting engine. + +2017-10-09 Werner Lemberg <wl@gnu.org> + + * src/base/ftoutln.c (FT_Outline_Translate): Fix integer overflow. Reported as - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=81 + https://bugs.chromium.org/p/chromium/issues/detail?id=772775 -2016-10-25 Alexei Podtelezhnikov <apodtele@gmail.com> +2017-10-08 Werner Lemberg <wl@gnu.org> - [cff] Correct cmap format reporting (#24819). + * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Integer overflows. - * src/cff/cffdrivr.c (cff_get_cmap_info): Throw an error on synthetic - charmap instead of guessing its format and language. + Reported as -2016-10-22 Werner Lemberg <wl@gnu.org> + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3579 - [truetype] Fix SCANTYPE instruction (#49394). +2017-10-07 Werner Lemberg <wl@gnu.org> - * src/truetype/ttinterp.c (Ins_SCANTYPE): Only use lower 16bits. + [sfnt] Adjust behaviour of PS font names for variation fonts. -2016-10-22 Werner Lemberg <wl@gnu.org> + * src/sfnt/sfdriver.c (sfnt_get_var_ps_name): Use a named instance's + PS name only if no variation is applied. - [sfnt] Improve handling of invalid post 2.5 tables [#49393]. +2017-10-07 Werner Lemberg <wl@gnu.org> - * src/sfnt/ttpost.c (load_format_25): We need at least a single - table entry. + [cff, truetype] Adjust behaviour of named instances. -2016-10-14 Werner Lemberg <wl@gnu.org> + This commit completely separates the interaction between named + instances and variation functions. In particular, resetting the + variation returns to the current named instance (if set) and not to + the base font. - [truetype] Fix handling of `cvar' table data. + As a side effect, variation functions no longer change the named + instance index. - Reported as + * src/cff/cffobjs.c (cff_face_init): Use MM service's `set_instance' + function. + Also apply `MVAR' table to named instances. - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=53 + * src/truetype/ttgxvar.c (TT_Get_MM_Var): Add cast. + (tt_set_mm_blend): No longer check whether requested variation + coincides with a named instance. + (TT_Set_Var_Design): Use current named instance for default + coordinates. + * src/truetype/ttobjs.c (tt_face_init): Use `TT_Set_Named_Instance'. - * src/truetype/ttgxvar.c (tt_face_vary_cvt): Ignore invalid CVT - indices. +2017-10-07 Werner Lemberg <wl@gnu.org> -2016-10-11 Werner Lemberg <wl@gnu.org> + Make `FT_Set_Named_Instance' work. - [psaux] Fix handling of invalid flex subrs. + * src/cff/cffdrivr.c (cff_set_instance): New function. + (cff_service_multi_masters): Register it. - Problem reported as + * src/truetype/ttgxvar.c (TT_Set_Named_Instance): New function. + * src/truetype/ttgxvar.h: Updated. + * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Register + it. - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52 + * src/type1/t1load.c (T1_Reset_MM_Blend): New function. + * src/type1/t1load.h: Updated. + * src/type1/t1driver.c (t1_service_multi_masters): Register it. - * src/psaux/t1decode.c (t1_decoder_parse_charstrings) - <op_callothersubr>: Set `flex_state' after error checking. +2017-10-07 Werner Lemberg <wl@gnu.org> -2016-10-11 Werner Lemberg <wl@gnu.org> + Make `FT_FACE_FLAG_VARIATION' work. - * src/truetype/ttgxvar.c (tt_done_blend): Fix deallocation. + * include/freetype/internal/tttypes.h (TT_Face): Remove + `is_default_instance'; this can be replaced with a combination of + `FT_IS_VARIATION' and `FT_IS_INSTANCE'. -2016-10-08 Werner Lemberg <wl@gnu.org> + * src/cff/cffdrivr.c (cff_get_advances): Updated. - * src/cid/cidload.c (cid_face_open): Properly propagate `error'. + * src/sfnt/sfdriver.c (sfnt_get_ps_name), src/sfnt/sfobjs.c + (sfnt_init_face): Updated. -2016-10-08 Werner Lemberg <wl@gnu.org> + * src/truetype/ttdriver.c (tt_get_advances), src/truetype/ttgload.c + (TT_Process_Simple_Glyph, load_truetype_glyph, IS_DEFAULT_INSTANCE), + src/truetype/ttgxvar.c (tt_set_mm_blend): Updated. + * src/truetype/ttgxvar.c (TT_Set_MM_Blend, TT_Set_Var_Design): + Handle `FT_FACE_FLAG_VARIATION'. - [cid] Fix parsing of subr offsets. + * src/type1/t1load.c (T1_Set_MM_Blend, T1_Set_MM_Design): Handle + `FT_FACE_FLAG_VARIATION'. - Bug introduced 2016-05-16. +2017-10-07 Werner Lemberg <wl@gnu.org> - * src/cid/cidparse.c (cid_parser_new): Fix off-by-one error. + New function `FT_Set_Named_Instance'. -2016-10-01 Werner Lemberg <wl@gnu.org> + No effect yet. - [sfnt] Disable bitmap strikes if we don't have a bitmap data table. + * src/base/ftmm.c (FT_Set_Named_Instance): New function. - * src/sfnt/ttsbit.c (tt_face_load_sbit): Check whether we have - a bitmap data table. + * include/freetype/ftmm.h: Updated. -2016-10-01 Alexei Podtelezhnikov <apodtele@gmail.com> +2017-10-07 Werner Lemberg <wl@gnu.org> - [smooth] Remove impossibility. + Add macros for checking whether a font variation is active. - * src/smooth/ftgrays.c (TWorker): Rearrange fields. - (gray_convert_glyph): Remove impossible condition and clean up. + * include/freetype/freetype.h (FT_FACE_FLAG_VARIATION, + FT_IS_VARIATION): New macros. + No effect yet. -2016-09-29 Werner Lemberg <wl@gnu.org> +2017-10-07 Werner Lemberg <wl@gnu.org> - [pcf] Enrich family name with foundry name and glyph width info. + Add framework for setting named instance in MM service. - This is a very old patch from openSuSE (from 2006, submitted to - FreeType in 2011) that I forgot to apply. + * include/freetype/internal/services/svmm.h (FT_Set_Instance_Func): + New function typedef. + (MultiMasters): Add `set_instance' member. + (FT_DEFINE_SERVICE_MULTIMASTERSREC): Updated. - https://build.opensuse.org/package/view_file/openSUSE:Factory/freetype2/freetype2-bitmap-foundry.patch + * src/cff/cffdrivr.c (cff_service_multi_masters), + src/truetype/ttdriver (tt_service_gx_multi_masters), + src/type1/t1driver.c (t1_service_multi_masters): Updated. - 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. +2017-10-07 Werner Lemberg <wl@gnu.org> - We also check whether we have `wide' characters; all put together, - we get family names like `Sony Fixed' or `Misc Fixed Wide'. + [type1] Minor code shuffling. - * src/pcf/pcfread.c (pcf_load_font): Implement it. + * src/type1/t1load.c (T1_Set_MM_Blend): Make it a wrapper of... + (t1_set_mm_blend): ...this new function. + (T1_Set_MM_Design): Use `t1_set_mm_blend'. - * docs/CHANGES: Document it. +2017-10-05 Werner Lemberg <wl@gnu.org> -2016-09-29 Werner Lemberg <wl@gnu.org> + * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Fix integer + overflow. - [ftfuzzer] Speed up. + Reported as - * src/tools/ftfuzzer/ftfuzzer.cc (LLVMFuzzerTestOneInput): Don't - check for embedded bitmaps if we have a non-default instance. + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3539 -2016-09-29 Werner Lemberg <wl@gnu.org> +2017-10-05 Werner Lemberg <wl@gnu.org> - [truetype] Disallow bitmap strokes for non-default instances. + Fix compiler warnings. - Also speed up access of default instances if GX variations are - active. + * src/cff/cffdrivr.c (cff_ps_get_font_extra): Avoid code that relies + on numeric overflow. + Add cast. - * include/freetype/internal/tttypes.h (TT_FaceRec): Add - `is_default_instance' member. + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Fix variable + types, add cast. - * src/sfnt/sfobjs.c (sfnt_init_face): Initialize - `is_default_instance'. +2017-10-04 John Tytgat <John.Tytgat@esko.com> - * 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. + [cff] Add support for `FSType'. - * src/truetype/ttgxvar.c (TT_Set_MM_Blend): Compute - `is_default_instance'. + * include/freetype/internal/cfftypes.h (CFF_FontRec): Add + `font_extra' entry. -2016-09-29 Werner Lemberg <wl@gnu.org> + * src/cff/cffdrivr.c (cff_ps_get_font_extra): New function to + retrieve FSType info from the embedded PostScript data. + (cff_service_ps_info): Register function. - [truetype] Clean up `TT_Face' structure. + * src/cff/cffload.c (cff_font_done): Free `font_extra'. - * include/freetype/internal/tttypes.h (TT_FaceRec): Remove unused - fields `horz_metrics' and `vert_metrics'. - Update documentation. +2017-09-30 Alexei Podtelezhnikov <apodtele@gmail.com> - * src/sfnt/sfobjs.c (sfnt_done_face): Updated. + Signedness fixes in bitmap presetting. -2016-09-28 Werner Lemberg <wl@gnu.org> + Reported as - More FT_ZERO usage. + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3514. - * src/gxvalid/gxvcommn.c (gxv_ClassTable_validate): - s/ft_memset/FT_MEM_ZERO/. + * src/raster/ftrend1.c (ft_raster1_render): Exlicitly signed height. + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Ditto. + * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Explicitly unsigned + subtraction. - * src/psaux/t1decode.c (t1_decoder_parse_charstrings): - s/ft_memset/FT_ARRAY_ZERO/. +2017-09-29 Alexei Podtelezhnikov <apodtele@gmail.com> - * 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/. + Bitmap metrics presetting [2/2]. - * 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/. + * src/base/ftobjs.c (FT_Load_Glyph): Preset the bitmap metrics when + appropriate but `FT_Render_Glyph' is not called. + * include/freetype/freetype.h (FT_GlyphSlotRec): Document the change. -2016-09-28 Werner Lemberg <wl@gnu.org> +2017-09-28 Alexei Podtelezhnikov <apodtele@gmail.com> - */*: s/FT_MEM_ZERO/FT_ZERO/ where appropriate. + [smooth, raster] Miscellaneous cleanups. -2016-09-27 Werner Lemberg <wl@gnu.org> + * src/raster/ftrend1.c (ft_raster1_render): Clean up the exit. + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Reduce + translations and clean up the exit. + (ft_smooth_render_lcd, ft_smooth_render_lcd): Remove unused `error'. - [truetype] Trace number of executed opcodes. +2017-09-28 Ben Wagner <bungeman@google.com> - * src/truetype/ttinterp.c (TT_RunIns): Implement it. + [truetype] Really, really fix #52082. -2016-09-27 Werner Lemberg <wl@gnu.org> + * src/truetype/ttinterp.c (Ins_MDRP): Correct conditional. - [truetype] Speed up `TT_Load_Glyph'. +2017-09-28 Werner Lemberg <wl@gnu.org> - This avoids additional calls to `tt_face_lookup_table' for the - `glyf' table, which can be expensive. + * src/psaux/psintrp.c (cf2_doStems): Fix integer overflow. - * 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. + Reported as -2016-09-27 Werner Lemberg <wl@gnu.org> + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3510 - [truetype] Introduce dynamic limits for some bytecode opcodes. +2017-09-28 Ewald Hew <ewaldhew@gmail.com> - This speeds up FreeType's handling of malformed fonts. + * src/cid/cidgload.c (cid_slot_load_glyph): Fix memory leak. - * 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. + Reported as - * src/truetype/ttinterp.h (TT_ExecContext): Updated. + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3489 - * docs/CHANGES: Updated. +2017-09-28 Alexei Podtelezhnikov <apodtele@gmail.com> -2016-09-25 Werner Lemberg <wl@gnu.org> + Bitmap metrics presetting [1/2]. - [truetype] Sanitize only last entry of `loca' table. + This mainly just extracts the code for presetting the bitmap metrics + from the monochrome, grayscale, and LCD renderers into a separate + function. - 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/base/ftobjs.c (ft_glyphslot_preset_bitmap): New function that + calculates prospective bitmap metrics for the given rendering mode. + * include/freetype/internal/ftobjs.h (ft_glyphslot_preset_bitmap): + Declare it. - * src/truetype/ttpload.c (tt_face_get_location): Implement. - Improve tracing messages. + * src/base/ftlcdfil.c (ft_lcd_padding): New helper function that adds + padding to CBox taking into account pecularities of LCD rendering. + * include/freetype/ftlcdfil.h (ft_lcd_padding): Declare it. -2016-09-25 Werner Lemberg <wl@gnu.org> + * src/raster/ftrend1.c (ft_raster1_render): Reworked to use + `ft_glyphslot_preset_bitmap'. + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Ditto. + (ft_smooth_render_lcd, ft_smooth_render_lcd): The pixel_mode setting + is moved to `ft_glyphslot_preset_bitmap'. - * src/tools/ftfuzzer/ftfuzzer.cc (LLVMFuzzerTestOneInput): Fix typo. +2017-09-28 Ewald Hew <ewaldhew@gmail.com> -2016-09-24 Werner Lemberg <wl@gnu.org> + [psaux] Fix compiler warning. - [autofit] Tracing fixes. + * src/psaux/pshints.c (cf2_hintmap_dump): Add switch for tracing + code. - * src/autofit/afmodule.c (af_autofitter_load_glyph): Call dumping - functions only if we actually do tracing. +2017-09-27 Werner Lemberg <wl@gnu.org> -2016-09-22 Alexei Podtelezhnikov <apodtele@gmail.com> + * src/sfnt/ttload.c (tt_face_load_font_dir): Fix compiler warning. - [smooth] Reduce divisions in the line renderer. +2017-09-25 Werner Lemberg <wl@gnu.org> - We don't need some divisions if a line segments stays within a single - row or a single column of pixels. + [psaux] Fix compiler warnings. - * src/smooth/ftgrays.c (gray_render_line) [FT_LONG64]: Make divisions - conditional. + * src/psaux/psft.c (cf2_initLocalRegionBuffer): Remove redundant + test. -2016-09-15 Alexei Podtelezhnikov <apodtele@gmail.com> + * src/psaux/psintrp.c (cf2_interpT2CharString) + <cf2_escCALLOTHERSUBR>: Add casts. - * src/smooth/ftgrays.c (gray_sweep): Remove check for empty table. + * src/psaux/psobjs.c (ps_decoder_init): Add cast. -2016-09-14 Alexei Podtelezhnikov <apodtele@gmail.com> +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - [smooth] Another tiny speed-up. + [psaux] Minor fixes. - * src/smooth/ftgrays.c (gray_find_cell): Merge into... - (gray_record_cell): ... this function. + * include/freetype/internal/psaux.h, src/psaux/psobjs.{c,h}: + Rearrange `ps_builder_init' arguments to conventional order. -2016-09-11 Alexei Podtelezhnikov <apodtele@gmail.com> + * src/psaux/psft.c (cf2_decoder_parse_charstrings): Add a check and + notice for `SubFont' in Type 1 mode. - * src/smooth/ftgrays.c (gray_{find,set}_cell): Remove dubious code. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> -2016-09-11 Alexei Podtelezhnikov <apodtele@gmail.com> + [psaux] Move `psdecode' into `psobjs'. - [smooth] Fix valgrind warning and reoptimize. + As the former only contains a single procedure, move it into + `psobjs' for simplicity. Also change the parameter order to the + conventional one. - 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/psaux/psdecode.c (ps_decoder_init): Moved to... + * src/psaux/psobjs.c: ...Here. + * src/psaux/psdecode.h, src/psaux/psobjs.h: Ditto. - * src/smooth/ftgrays.c (gray_set_cell): Remove check for a new cell. - (gray_convert_glyph): Remove initialization introduced by 44b172e88. + * include/freetype/internal/psaux.h (PSAux_ServiceRec): Update + `ps_decoder_init' function signature. -2016-09-10 Werner Lemberg <wl@gnu.org> + * src/cff/cffgload.c, src/cid/cidgload.c, src/type1/t1gload.c: + Update calls. - [sfnt] Fix previous commit. + * src/psaux/psaux.c, src/psaux/psauxmod.c: Update includes. - Problems reported as + * src/psaux/Jamfile (_sources), src/psaux/rules.mk (PSAUX_DRV_SRC): + Update file references. - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40 +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - We now map the strike index right before accessing the physical - data, not earlier. + [psaux] Fix Type 1 hinting. - * src/sfnt/sfobjs.c (sfnt_load_face): Set `face->sbit_strike_map' - after creating the map so that... + Type 1 hinting breaks sometimes when mid-charstring hints should + have been in the initial hintmap. This fix adds a preprocessing + pass that reads all hints and builds the correct initial hintmap + first, before proceeding to build the glyph outline. - * src/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/psaux/psintrp.c (cf2_interpT2CharString): New + `initial_map_ready' boolean flag. + Ignore outline commands and hint changes on first pass. + <cf2_cmdENDCHAR>: Add section to build hintmap and rewind. - * src/truetype/ttdriver.c (tt_size_select): Revert change. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> -2016-09-09 Werner Lemberg <wl@gnu.org> + [psaux] Add tracing for hints. - [ftfuzzer] Minor improvements. + * src/psaux/pshints.c (cf2_hintmap_dump): New function. + (cf2_hintmap_insertHint): Trace incoming and inserted hints. + (cf2_hintmap_build): Dump hintmap before and after hint adjustment. - * src/tools/ftfuzzer/ftfuzzer.cc (LLVMFuzzerTestOneInput): Ignore - invalid strikes. - Use better values for call to `FT_Set_Char_Size'. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> -2016-09-09 Werner Lemberg <wl@gnu.org> + [psaux] Minor fixes. - [sfnt] Don't provide (completely) broken strike data. + * src/psaux/psintrp.c (cf2_interpT2CharString): Fix check for pop + results. + s/font->decoder/decoder/ where necessary. + <cf2_cmdHSTEM, cf2_cmdVSTEM, cf2_escHSTEM3, cf2_escVSTEM3>: Use + offset parameter in `cf2_doStems' instead of doing correction for + left-sidebearing. - FreeType tries to sanitize strike header data; we now reject - completely broken ones. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - * include/freetype/internal/tttypes.h (TT_FaceRec): New - `sbit_strike_map' array pointer. + [cid] Use the new engine. - * 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/cid/cidgload.c: Update includes. + (cid_load_glyph, cid_slot_load_glyph): Implement changes to glyph + loading code as with `type1' module. - * 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. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - * src/sfnt/ttsbit.c (tt_face_set_sbit_strike): Use - `sbit_strike_map'. - (tt_face_load_strike_metrics): Improve tracing. + [cid] Add Adobe engine configuration. - * src/truetype/ttdriver.c (tt_size_select): Use `sbit_strike_map'. + This is similar to what was done in the `type1' module. -2016-09-08 Werner Lemberg <wl@gnu.org> + * src/cid/cidriver.c (t1cid_driver_class): Update declaration. + * src/cid/cidobjs.c: Include FT_TYPE1_DRIVER_H. + (cid_driver_init): Update code. - * Version 2.7 released. - ======================= +2017-09-25 Ewald Hew <ewaldhew@gmail.com> + [psaux] Change subfont synthesis for CID fonts. - Tag sources with `VER-2-7'. + Change `t1_make_subfont' to take in the Private dict record as an + argument. This is because Type 1 and CID font records in FreeType + have this in different places. - * docs/VERSION.TXT: Add entry for version 2.7. + * src/psaux/psobjs.c (t1_make_subfont): Change `T1_Face' to + `FT_Face' so that CID is also accepted. + Take `PS_Private' as an argument and let caller figure out where the + Private dict actually is. + Update references. - * 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/internal/psaux.h, src/psaux/psobjs.h: Update + declaration. - * include/freetype/freetype.h (FREETYPE_MINOR): Set to 7. - (FREETYPE_PATCH): Set to 0. + * src/type1/t1gload.c (T1_Parse_Glyph_And_Get_Char_String): Update + call. - * builds/unix/configure.raw (version_info): Set to 18:6:12. - * CMakeLists.txt (VERSION_MINOR): Set to 7. - (VERSION_PATCH): Set to 0. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - * docs/CHANGES: Updated. + [type1] Switch to Adobe engine. -2016-09-08 Werner Lemberg <wl@gnu.org> + * src/type1/t1objs.c (T1_Driver_Init): Set default to Adobe engine. - * src/truetype/ttinterp.c: Include `ttgxvar.h'. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - This fixes the `multi' build. + [psaux] Extend Adobe interpreter (seac). -2016-09-08 Werner Lemberg <wl@gnu.org> + This concludes the changes needed to add Type 1 support. - [autofit] Another improvement to Armenian support. + * src/psaux/psintrp.c: Update includes. + (cf2_interpT2CharString) <cf2_escSEAC>: Implement this similarly to + implied seac for CFF. - Suggested by Hrant H Papazian <hpapazian@gmail.com>. + * src/psaux/t1decode.c (t1_lookup_glyph_by_stdcharcode_ps): New + function to look up the glyph index. - * src/autofit/afscript.h: Use better suited characters to derive - default stem widths. + * src/psaux/psft.c (cf2_getT1SeacComponent, + cf2_freeT1SeacComponent): New functions to get the charstrings for + seac components. -2016-09-07 Alexei Podtelezhnikov <apodtele@gmail.com> + * src/psaux/t1decode.h, src/psaux/psft.h: Update declarations. - * src/smooth/ftgrays.c (gray_hline): Microptimize. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> -2016-09-06 Alexei Podtelezhnikov <apodtele@gmail.com> + [psaux] Extend Adobe interpreter (flex in callothersubr). - [smooth] Operate in absolute bitmap coordinates. + * src/psaux/psintrp.c (cf2_interpT2CharString) + <cf2_escCALLOTHERSUBR>: Fix Flex feature handling (OtherSubrs 0, 1, + 2). + <cf2_cmdRMOVETO>: Do not actually move the `glyphPath' while doing + flex. This is to avoid closing the current contour. - Simpler bitmap addressing improves performance by 1.5%. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - * 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. + [psaux] Extend Adobe interpreter (callothersubr). -2016-09-06 Alexei Podtelezhnikov <apodtele@gmail.com> + * src/psaux/psintrp.c (cf2_interpT2CharString) + <cf2_escCALLOTHERSUBR>: Copy code from + `t1_decoder_parse_charstrings' (in `t1decode.c'). + OtherSubr 3 (change hints) should reset the hintmask, so that the + new hints are applied. + Fix function calls and stack access. - [smooth] Improve contour start (take 2). +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - * 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. + [psaux] Extend Adobe interpreter (pop). -2016-09-06 Werner Lemberg <wl@gnu.org> + * src/psaux/psintrp.c (cf2_interpT2CharString): Change how unhandled + OtherSubr results are stored. Implement the PostScript stack using + an array. + <cf2_escPOP>: Ensure that the stack is not cleared after getting + `OtherSubr' results. + Fix stack access. - [type1] MM fonts support exactly zero named instances (#48748). +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - * src/type1/t1load.c (T1_Get_MM_Var): Set `num_namedstyles' to zero. + [psaux] Extend Adobe interpreter (callsubr). -2016-09-06 Jonathan Kew <jfkthame@gmail.com> + * src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_cmdCALLSUBR>: + Type 1 mode. - [cff] Fix uninitialized memory. + * src/psaux/psft.c (cf2_initLocalRegionBuffer): Add Type 1 mode. - Problem reported as +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - https://bugzilla.mozilla.org/show_bug.cgi?id=1270288 + [psaux] Extend Adobe interpreter (div, four-byte numbers). - * src/cff/cf2interp.c (cf2_interpT2CharString): Initialize `storage' - array to handle a `get' opcode without a previous `put'. + * src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_escDIV>: Add + Type 1 mode. Type 1 requires large integers to be followed by + `div'; cf. `Adobe Type 1 Font Format', section 6.2. + <op == 255>: Push Type 1 four-byte numbers as `Int' always. This is + to ensure `div' and `callsubr' get values they can use. -2016-09-05 Alexei Podtelezhnikov <apodtele@gmail.com> +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - * src/smooth/ftgrays.c (gray_move_to, gray_start_cell): Revert. + [psaux] Extend Adobe interpreter (hints). -2016-09-05 Alexei Podtelezhnikov <apodtele@gmail.com> + * src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_cmdHSTEM, + cf2_cmdVSTEM>: Add correction for left sidebearing in Type 1 mode. + Allow adding hints mid-charstring. + <cf2_escVSTEM3, cf2_escHSTEM3>: Translate into equivalent commands + for three normal stem hints. This requires some recalculation of + stem positions. + Correction for left sidebearing. - [smooth] Improve contour start. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - * src/smooth/ftgrays.c (gray_move_to): Call `gray_set_cell' directly - instead of... - (gray_start_cell): ... this function, which is removed. + [psaux] Extend Adobe interpreter (hsbw, sbw). -2016-09-05 Werner Lemberg <wl@gnu.org> + * src/psaux/psintrp.c (cf2_doStems): `hsbw' or `sbw' must be the + first operation in a Type 1 charstring. + (cf2_interpT2CharString): Remove unused variables. + <cf2_cmdHMOVETO, cf2_cmdVMOVETO, cf2_cmdRMOVETO>: `hsbw' or `sbw' + must be the first operation in a Type 1 charstring. + <cf2_cmdHSBW, cf2_escSBW>: Fix data access and add correction for + left sidebearing. - [cff] Fix memory initialization. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - * src/cff/cf2stack.c (cf2_stack_init): Use `FT_NEW'. The `Q' - variants of FreeType's memory allocation macros don't do zeroing. + [psaux] Extend Adobe interpreter (setcurrentpoint). -2016-09-05 Werner Lemberg <wl@gnu.org> + * src/psaux/psintrp.c (cf2_interpT2CharString) + <cf2_escSETCURRENTPT>: Fix stack access. - [ftrandom] Minor improvements. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - * src/tools/ftrandom/ftrandom.c (_XOPEN_SOURCE): New macro, set to - 500. + [psaux] Extend Adobe interpreter (closepath). - * src/tools/ftrandom/Makefile (CFLAGS): Split off include - directories to ... - (INCLUDES): ... this new variable. - (LDFLAGS): New variable. - (ftrandom.o, ftrandom): Updated. + * src/psaux/psintrp.c (cf2_interpT2CharString) <c2f_cmdCLOSEPATH>: + Use the right builder function. We can use the `haveWidth' boolean + already present, instead of implementing `parse_state'. -2016-09-05 Werner Lemberg <wl@gnu.org> +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - [autofit] Improve Armenian support. + [psaux] Add Type 1 operations to Adobe CFF interpreter. - Thanks to Hrant H Papazian <hpapazian@gmail.com> for help. + The following Type 1 specific ops have been added (copied from + `t1decode'): - * src/autofit/afblue.dat (AF_BLUE_STRING_ARMENIAN_*): Improve - selection of characters. + closepath + vstem3 + hstem3 + seac + sbw + callothersubr + pop + setcurrentpoint + hsbw - * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. + The following require a Type 1 mode, because of differences in + specification: -2016-09-04 Werner Lemberg <wl@gnu.org> + hstem + vstem + vmoveto + callsubr + div + rmoveto + hmoveto + Numbers - [ftrandom] Improve Makefile. + The subsequent commits will implement these changes and adapt + accesses of data and objects to the new interpreter. - It now supports both a normal build (`./configure && make') and a - development build (`make devel'). + NOTE: Will not compile in the meantime! - * 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. + * src/psaux/psintrp.c: Add opcodes to enum. + (cf2_interpT2CharString): Copy relevant code over from + `t1_decoder_parse_charstrings' (in `t1decode.c'). -2016-09-03 Werner Lemberg <wl@gnu.org> +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - [truetype] More fixes for handling of GX deltas. + [type1] Fixes for rendering. - Problems reported by Bob Taylor <Bob.Taylor@monotype.com>. + The Type 1 advance width calculation passes null for glyph slot, + etc, which can cause null pointer access in the new interpreter. + Fall back to the old one for now. - * 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. + Fix the large glyph retry code and ensure hinting and scaling flags + are set properly. -2016-09-03 Werner Lemberg <wl@gnu.org> + * src/type1/t1gload.c (T1_Parse_Glyph_And_Get_Char_String): Add a + check for metrics_only. + Set the `force_scaling' flag. + (T1_Parse_Glyph): Updated. + (T1_Load_Glyph): Add `hinting' and `scaled' flags. - [ftrandom] Various fixes. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - * 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. + [psaux] Add missing objects (2/2). - * src/tools/ftrandom/README: Updated. + Synthesize a `SubFont' object for Type 1 fonts. This is used in the + interpreter to access Private dict data, which are stored in + different places for Type 1 and CFF. This allows the same data to + be used in either mode. -2016-09-03 Werner Lemberg <wl@gnu.org> + * src/psaux/psobjs.c (t1_make_subfont): New procedure to copy + required values to a dummy `CFF_SubFont' object. This is similar to + `cff_make_private_dict'. + * src/psaux/psobjs.h: Add the new declaration. - [base] Avoid negative bitmap stroke dimensions (#48985). + * include/freetype/internal/psaux.h, src/psaux/psauxmod.c: Ditto. + Add this to the PSAux Service for future use with CID fonts. - * 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. + * src/type1/t1gload.c: Include FT_INTERNAL_CFF_TYPES_H. + (T1_Parse_Glyph_And_Get_Char_String): Add the call. -2016-09-03 Werner Lemberg <wl@gnu.org> +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - [cff] Avoid null pointer passed to FT_MEM_COPY (#48984). + [psaux] Add missing objects for Type 1 (1/2). - * src/cff/cffload.c (cff_index_get_name): Check `byte_len'. + Move `CF2_Font' instance to `PS_Decoder'. This is the context for + the interpreter and since it is currently stored in `CFF_Font', is + unavailable in Type 1 mode. -2016-09-02 Werner Lemberg <wl@gnu.org> + * include/freetype/internal/psaux.h (T1_Decoder, PS_Decoder): New + `cf2_instance' field. - [unix] Enable 64bit support in file system access (#48962). + * src/psaux/psdecode.c (ps_decoder_init): Copy `cf2_instance' to + `PS_Decoder'. - * builds/unix/configure.raw: Call `AC_SYS_LARGEFILE'. + * src/psaux/t1decode.c (t1_decoder_done): Add finalization code. -2016-09-02 Werner Lemberg <wl@gnu.org> + * src/psaux/psft.c (cf2_decoder_parse_charstrings): Update accesses. - [sfnt] Avoid left shift of negative value (#48980). +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - * src/sfnt/ttsbit.c (tt_sbit_decoder_load_bit_aligned): Use unsigned - constant. + Allow `type1' module to use the Adobe engine. -2016-09-02 Werner Lemberg <wl@gnu.org> + Add the callback and some conditionals to switch between the two + engines. - * src/smooth/ftgrays.c (gray_hline): Fix clang compiler warnings. + * include/freetype/internal/psaux.h (T1_Decoder_FuncsRec): Change + function declarations. + * src/psaux/psauxmod.c (T1_Decoder_FuncsRec): Register the + callbacks. -2016-09-02 Werner Lemberg <wl@gnu.org> + * src/psaux/psobjs.c (ps_builder_add_point): Add conditionals for + number conversion. - Some preparations for the next release. + * src/type1/t1gload.c (T1_Parse_Glyph_And_Get_Char_String): Add code + to choose which renderer to use. - * include/freetype/config/ftoption.h - (TT_CONFIG_OPTION_SUBPIXEL_HINTING): Enable. + * src/cid/cidgload.c (cid_load_glyph): Update call. + * src/base/ftobjs.c, src/psaux/psobjs.c, src/type1/t1gload.c: Update + includes. - * docs/CHANGES: Updated. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> -2016-09-01 Alexei Podtelezhnikov <apodtele@gmail.com> + [type1] Add Adobe engine configuration. - [smooth] Simplify span rendering more. + Use the previously changed PS_Driver in type1 module to store + hinting engine configuration. - It turns out that there is significant cost associated with `FT_Span' - creation and calls to `gray_render_span' because it happerns 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%. + * include/freetype/ftt1drv.h: New file. + Duplicate and rename config options from CFF. + * include/freetype/config/ftheader.h (FT_TYPE1_DRIVER_H): New macro. - * src/smooth/ftgrays.c (gray_render_span): Removed. The code is - migrated to... - (gray_hline): ... here. + * src/type1/t1driver.c (t1_driver_class): Update declaration. + * src/type1/t1objs.c: Include FT_TYPE1_DRIVER_H. + (T1_Driver_Init): Update code. -2016-08-30 Alexei Podtelezhnikov <apodtele@gmail.com> +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - [smooth] Streamline pixmap drawing a bit more. + [cff] Move and rename `CFF_Driver'. - Zero coverage is unlikely (1 out of 256) to warrant checking. This - gives 0.5% speed improvement in rendering simple glyphs. + This is so that we can use the same hinting engine parameters for + Type 1. - * src/smooth/ftgrays.c (gray_hline, gray_render_span): Remove checks. + * include/freetype/internal/cffotypes.h (CFF_Driver): Rename and + move to... + * include/freetype/internal/psaux.h (PS_Driver): ...here. -2016-08-29 Alexei Podtelezhnikov <apodtele@gmail.com> + * src/cff/cffdrivr.c, src/cff/cffgload.c, src/cff/cffload.c, + src/cff/cffobjs.c, src/cff/cffobjs.h, src/psaux/psft.c, + src/psaux/psobjs.c: Update references. - [smooth] Streamline pixmap drawing. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - This gives 2% speed improvement in rendering simple glyphs. + [psaux, type1] Reorganize object fields. - * 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. + Make some fields more generic, so that we can access them the same + way regardless of Type 1 or CFF. -2016-08-27 Alexei Podtelezhnikov <apodtele@gmail.com> + * include/freetype/internal/psaux.h (PS_Builder): Change `TT_Face' + to `FT_Face'. + Remove unused fields. - [smooth] Reduce stack of band boundaries. + * src/psaux/psft.c: Update all accesses of `PS_Builder.face'. + Add some asserts to guard against casting `T1_Face' as `TT_Face'. - * src/smooth/ftgrays.c (gray_TBand): Removed. - (gray_convert_glyph): Updated to stack band boundaries concisely. + * src/type1/t1objs.h (T1_GlyphSlot): Reorder fields to follow + `CFF_GlyphSlot', so that we can pretend they are the same in the + interpreter. -2016-08-26 Werner Lemberg <wl@gnu.org> + * src/psaux/psobjs.c (ps_builder_init, ps_builder_add_point): + Updated with above changes. - * src/cid/cidload.c (cid_face_open): Improve handling of `SDBytes'. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> -2016-08-26 Werner Lemberg <wl@gnu.org> + [psaux] Prepare for Type 1 mode. - [cid] Fix commit from 2016-05-16. + Add some checks for Type 1 data passing through. - * src/cid/cidparse.c (cid_parser_new): Fix off-by-one errors. + * src/psaux/psfont.h (CF2_Font): Add `isT1' flag. + * src/psaux/psfont.c (cf2_font_setup): Skip the variations and blend + code which is not applicable for Type 1. -2016-08-26 Werner Lemberg <wl@gnu.org> + * src/psaux/psft.c (cf2_decoder_parse_charstrings): Avoid accessing + `decoder->cff' in Type 1 mode. + Copy `is_t1' flag to `CF2_Font'. - [sfnt] Cache offset and size to bitmap data table. +2017-09-25 Ewald Hew <ewaldhew@gmail.com> - This commit avoids `EBDT' and friends being looked up again and - again while loading a single embedded bitmap. + [psaux, cff] Use the new objects. - * include/freetype/internal/tttypes.h (TT_FaceRec) - [TT_CONFIG_OPTION_EMBEDDED_BITMAPS]: New fields `ebdt_start' and - `ebdt_size'. + * include/freetype/internal/psaux.h, src/psaux/psauxmod.c: Fix + switching between new and old engines. - * 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. + * src/cff/cffgload.c, src/cff/cffparse.c: Update calls. -2016-08-26 Alexei Podtelezhnikov <apodtele@gmail.com> + * src/psaux/psblues.c, src/psaux/psfont.c, src/psaux/psfont.h, + src/psaux/psft.c, src/psaux/psft.h, src/psaux/psintrp.c: Update all + to use new objects. - * src/smooth/ftgrays.c (gray_raster_render): Minor tweaks. +2017-09-24 Ewald Hew <ewaldhew@gmail.com> -2016-08-26 Werner Lemberg <wl@gnu.org> + [psaux] Objects for new interpreter (part 2). - [type1] Fix heap buffer overflow. + Make the new objects copy over values. They are essentially wrapper + types for the different decoders/builders. - Reported as + * include/freetype/internal/psaux.h: Update declarations. + (PS_Builder): Add `is_t1' flag. + (PS_Decoder_{Get,Free}_Glyph_Callback): Renamed to... + (CFF_Decoder_{Get,Free}_Glyph_Callback: ... this. + (PS_Decoder): Updated. + Add `t1_parse_callback' member. + (PSAux_ServiceRec): Add `ps_decoder_init' member. - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36 + * src/psaux/psdecode.h, src/psaux/psobjs.h: Update declarations. - * src/type1/t1load.c (parse_charstrings): Reject fonts that don't - contain glyph names. + * src/psaux/psdecode.c, src/psaux/psobjs.c: Implement copy with two + modes. -2016-08-25 Werner Lemberg <wl@gnu.org> + * src/psaux/psauxmod.c: Add builder and decoder functions to `PSAux' + service. - [sfnt] Fix previous commit (#48901). +2017-09-24 Ewald Hew <ewaldhew@gmail.com> - * src/sfnt/ttcmap.c (tt_cmap4_char_map_binary): Thinkos. + [psaux] Add objects for new interpreter. -2016-08-25 Werner Lemberg <wl@gnu.org> + Introduce `PS_Decoder' and `PS_Builder' which include all fields + from either Type 1 or CFF decoders/builders. - [sfnt] Speed up handling of invalid format 4 cmaps. + * include/freetype/internal/psaux.h (PS_Builder, PS_Decoder): New + structs. - * src/sfnt/ttcmap.c (tt_cmap4_next, tt_cmap4_char_map_binary): Add - tests for `num_glyph' from `tt_cmap4_char_map_linear'. + * src/psaux/psobjs.c, src/psaux/psobjs.h: Add `PS_Builder' + functions. -2016-08-25 Werner Lemberg <wl@gnu.org> + * src/psaux/psdecode.c, src/psaux/psdecode.h: New files to hold + `PS_Decoder' initialization functions. - * include/freetype/internal/ftdriver.h: Remove unused typedefs. + * src/psaux/psaux.c, src/psaux/Jamfile (_sources), + src/psaux/rules.mk (PSAUX_DRV_SRC): Updated. -2016-08-22 Alexei Podtelezhnikov <apodtele@gmail.com> +2017-09-24 Ewald Hew <ewaldhew@gmail.com> - [smooth] Simplify span rendering. + [psaux] Rename files. - 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. + Replace the `cf2' file name prefix with `ps' as the Adobe engine + will be used for both PostScript Types 1 and 2 (CFF) instead of just + CFF. - * src/smooth/ftgrays.c [FT_MAX_GRAY_SPANS]: Macro removed. - (gray_TWorker): Remove span buffer and related fields. - (gray_sweep, gray_hline): Updated. + s/cf2/ps/ for all following. - * include/freetype/ftimage.h: Remove documentation note about - `FT_MAX_GRAY_SPANS', which was never in `ftoption.h' and is now gone. + * src/psaux/cf2*: Rename files. + * src/psaux/*: Update includes. -2016-08-16 Werner Lemberg <wl@gnu.org> + * src/psaux/Jamfile (_sources), src/psaux/rules.mk (PSAUX_DRC_SRC, + PSAUX_DRV_H): Update file references. - [truetype] Fix `MPS' instruction. +2017-09-24 Ewald Hew <ewaldhew@gmail.com> - According to Greg Hitchcock, MPS in DWrite really returns the point - size. + [psaux] Minor fix. - * src/truetype/ttobjs.h (TT_SizeRec): Add `point_size' member. + Use `MultiMasters' service in `psaux' instead of a call to `cff'. + The project builds if CFF_CONFIG_OPTION_OLD_ENGINE is not defined. - * src/truetype/ttdriver.c (tt_size_request): Set `point_size'. + * src/psaux/cf2ft.c: Update includes. + (cf2_getNormalizedVector): Use `mm->get_var_blend' instead of + `cff_get_var_blend'. - * src/truetype/ttinterp.h (TT_ExecContextRec): Add `pointSize' - member. +2017-09-24 Ewald Hew <ewaldhew@gmail.com> - * src/truetype/ttinterp.c (TT_Load_Context): Updated. - (Ins_MPS): Fix instruction. + [psaux, cff] Move `cff_random' into `psaux' service. -2016-08-16 Werner Lemberg <wl@gnu.org> + NOTE: Does not compile! - [lzw] Optimize last commit. + Minor fix to allow both `cff' and `psaux' to use `cff_random'. - * src/lzw/ftzopen.c (ft_lzwstate_get_code): Move check into - conditional clause. + * src/cff/cffload.c (cff_random): Move to... + * src/psaux/psobjs.c: Here. + * src/cff/cffload.h: Move corresponding declaration to + `src/psaux/psobjs.h'. -2016-08-16 Werner Lemberg <wl@gnu.org> + * include/freetype/internal/psaux.h (PSAux_ServiceRec): Register the + function here... + * src/psaux/psauxmod.c: And here. - [lzw] Avoid invalid left shift. + * src/cff/cffload.c, src/psaux/cf2intrp.c: Update code. - Reported as +2017-09-24 Ewald Hew <ewaldhew@gmail.com> - https://bugzilla.mozilla.org/show_bug.cgi?id=1295366 + [cff] Move struct declarations to `freetype/internal'. - * src/lzw/ftzopen.c (ft_lzwstate_get_code): Limit `num_bits'. + NOTE: Does not compile! -2016-08-16 Werner Lemberg <wl@gnu.org> + This is so that the CFF functions moved to `psaux' can access the + same structs that they need. - [lzw] Avoid buffer overrun. + * src/cff/cfftypes.h: Moved to... + * include/freetype/internal/cfftypes.h: ...Here. - Reported as + * src/cff/cffobjs.h: Moved the struct declarations to... + * include/freetype/internal/cffotypes.h: ... this new file. - https://bugzilla.mozilla.org/show_bug.cgi?id=1273283 + * include/freetype/internal/internal.h (FT_INTERNAL_CFF_TYPES_H, + FT_INTERNAL_CFF_OBJECT_TYPES_H): New macros. - * src/lzw/ftzopen.c (ft_lzwstate_refill): Ensure `buf_size' doesn't - underflow. + * src/cff/cffcmap.h, src/cff/cffdrivr.c, src/cff/cffgload.c, + src/cff/cffgload.h, src/cff/cffload.h, src/cff/cffobjs.c, + src/cff/cffobjs.h, src/cff/cffparse.h, src/psaux/psobjs.h, + include/freetype/internal/psaux.h, + include/freetype/internal/services/svcfftl.h: Update includes. -2016-08-16 Werner Lemberg <wl@gnu.org> + * src/cff/rules.mk (CFF_DRV_H): Updated. - [truetype] Fix compiler warning. +2017-09-24 Ewald Hew <ewaldhew@gmail.com> - * src/truetype/ttgload.c (load_truetype_glyph): Add cast. + [psaux, cff] Add new service for inter-module calls. -2016-08-13 Werner Lemberg <wl@gnu.org> + NOTE: Does not compile! - [winfonts] Avoid zero bitmap width and height. + This is to allow CFF functions moved to `psaux' to call functions + declared in `src/cff/cffload.h'. - Reported as + * include/freetype/internal/services/svcfftl.h: New file, setting up + a `CFFLoad' service. - https://bugzilla.mozilla.org/show_bug.cgi?id=1272173 + * include/freetype/internal/ftserv.h (FT_DEFINE_SERVICEDESCREC10, + FT_DEFINE_SERVICEDESCREC): New macros. + (FT_SERVICE_CFF_TABLE_LOAD_H): New macro. - * src/winfonts/winfnt.c (FNT_Face_Init): Check zero pixel height. - (FNT_Load_Glyph): Check for zero pitch. + * src/cff/cffdrivr.c, src/cff/cffpic.h: Register the new service. -2016-08-11 Alexei Podtelezhnikov <apodtele@gmail.com> + * src/cff/cfftypes.h (CFF_FontRec), src/psaux/cf2font.h + (CF2_FontRec): Add service interface. - * src/truetype/ttinterp.c (Pop_Push_Count): Revert changes. + * src/cff/cffobjs.c, src/psaux/cf2font.c, src/psaux/cf2ft.c, + src/psaux/cf2intrp.c, src/psaux/cffdecode.c: Use the new service. -2016-08-11 Alexei Podtelezhnikov <apodtele@gmail.com> +2017-09-24 Ewald Hew <ewaldhew@gmail.com> - * src/truetype/ttinterp.c (TT_RunIns): Minor and formatting. + [psaux, cff] Add callbacks for inter-module calls. -2016-08-11 Alexei Podtelezhnikov <apodtele@gmail.com> + NOTE: Does not compile! - * src/truetype/ttinterp.c (Pop_Push_Count): Fix some entries. + * include/freetype/internal/psaux.h: Add function pointer + declarations. -2016-08-10 Peter Klotz <Peter.Klotz@ith-icoserve.com> + * src/psaux/cffdecode.c (cff_decoder_init): Update to take in + callbacks. + * src/psaux/cffdecode.h: Ditto. - * src/smooth/ftgrays.c (gray_hline): Fix uninitialized access. + * src/cff/cffgload.c (cff_compute_max_advance, cff_slot_load): + Update calls to pass in callbacks. + * src/psaux/cf2ft.c, src/psaux/cffdecode.c: Use them. -2016-08-10 Werner Lemberg <wl@gnu.org> +2017-09-24 Ewald Hew <ewaldhew@gmail.com> - [sfnt] Use correct type for `italicAngle' field (#48732). + [psaux, cff] Create new `PSAux' service interface entries. - * src/sfnt/ttload.c (tt_face_load_post): Fix types. + NOTE: Does not compile! -2016-08-06 Jon Spencer <jon@jonspencer.ca> + * include/freetype/internal/psaux.h: Include + FT_INTERNAL_TRUETYPE_TYPES_H. + (CFF_Builder_FuncsRec, CFF_Decocer_FuncsRec): New function tables. + (CFF_Builder): Updated. + Fix for forward declaration. + (PSAux_ServiceRec): New field `cff_decoder_funcs'. - [sfnt] Fix `FT_Get_Advance' for bitmap strikes. + * src/psaux/psauxmod.c (cff_builder_funcs, cff_decoder_funcs): New + function tables. + (PSAux_Interface): Updated. - `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. + * include/freetype/internal/tttypes.h (TT_FaceRec): Add `psaux' + service interface. - Taken from + * src/cff/cffgload.c, src/cff/cffobjs.c, src/cff/cffparse.c: Update + function calls to use psaux service. - https://github.com/behdad/harfbuzz/issues/252 +2017-09-24 Ewald Hew <ewaldhew@gmail.com> - * src/sfnt/ttsbit.c (tt_face_load_strike_metrics) - <TT_SBIT_TABLE_TYPE_EBLC>: Set scale values. + [psaux, cff] Move CFF builder components into `psaux' module. -2016-08-06 Behdad Esfahbod <behdad@behdad.org> + NOTE: Does not compile! - [truetype] Fix GX variation handling of composites. + * src/cff/cffgload.c + (cff_builder_{init,done,add_point,add_point1,add_contour,start_point,close_contour}, + cff_check_points): Move to... + * src/psaux/psobjs.c: Here. - * src/truetype/ttgload.c (load_truetype_glyph) - [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Check `ARGS_ARE_XY_VALUES' flag. + * src/cff/cffgload.h: Move corresponding declarations to + `src/psaux/psobjs.h'. -2016-08-05 Alexei Podtelezhnikov <apodtele@gmail.com> + * src/cff/cffgload.h (CFF_Builder): Move struct declaration to... + * include/freetype/internal/psaux.h: Here. - [smooth] Minor refactoring. +2017-09-24 Ewald Hew <ewaldhew@gmail.com> - * src/smooth/ftgrays.c (gray_render_scanline, gray_render_line): - Updated. + [psaux, cff] Move CFF decoder components into `psaux' module. + + NOTE: Does not compile! + + * src/cff/cffgload.c (CFF_Operator, + CFF_COUNT_{CHECK_WIDTH,EXACT,CLEAR_STACK}, cff_argument_counts, + cff_operator_seac, cff_compute_bias, + cff_lookup_glyph_by_stdcharcode, + cff_decoder_{parse_charstrings,init,prepare}): Move to... + * src/psaux/cffdecode.c: This new file. -2016-07-29 Werner Lemberg <wl@gnu.org> + * src/cff/cffgload.h: Move corresponding declarations to... + * src/psaux/cffdecode.h: This new file. - [sfnt, truetype] Don't abort on invalid `maxComponentDepth'. + * src/cff/cffgload.h (CFF_MAX_{OPERANDS,SUBRS_CALLS,TRANS_ELEMENTS}, + CFF_Decoder_Zone, CFF_Decoder): Move declarations to... + * include/freetype/internal/psaux.h: Here. - Since 2016-05-16 we detect infinite recursion directly. + * src/psaux/cf2ft.h: Update include. - * 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. + * src/psaux/psaux.c, src/psaux/rules.mk (PSAUX_DRV_SRC): Update with + the new file. -2016-07-26 Werner Lemberg <wl@gnu.org> +2017-09-24 Ewald Hew <ewaldhew@gmail.com> - * src/autofit/aflatin.c (af_latin_metrics_scale_dim): Minor. + [psaux, cff] Move Adobe's engine components into `psaux' module. - No functional change. + This is the first patch of a sequence to move the Type 2 charstring + processing capability from the `cff' module to the `psaux' module. -2016-07-22 Hin-Tak Leung <htl10@users.sourceforge.net> + NOTE: Does not compile! - [truetype] Record the end of IDEFs. + * src/cff/cf2*: Move these files to... + * src/psaux/cf2*: Here. - 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/cff/Jamfile (_sources), src/cff/rules.mk (CFF_DRV_SRC, + CFF_DRV_H), src/cff/cff.c, src/cff/cffgload.c: Remove file + references. - * src/truetype/ttinterp.c (Ins_IDEF): Updated. + * src/psaux/Jamfile (_sources), src/psaux/rules.mk, src/psaux/psaux.c + (PSAUX_DRV_SRC, PSAUX_DRV_H): Add file references. -2016-07-19 Werner Lemberg <wl@gnu.org> +2017-09-24 Alexei Podtelezhnikov <apodtele@gmail.com> - [truetype] Sanitizer fix, second try. + Tweak per-face LCD filtering controls. - * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Fix boundary - tests and use only one slot more. + Thing are simpler with a NULL-function pointer. -2016-07-19 Werner Lemberg <wl@gnu.org> + * include/freetype/internal/ftobjs.h (FT_Face_InternalRec): New + pointer to the filter function. + (FT_LibraryRec): Remove unused `lcd_filter'. + (FT_Bitmap_LcdFilterFunc, ft_lcd_filter_fir): Move from here... + * include/freetype/ftlcdfil.h (FT_Bitmap_LcdFilterFunc, + ft_lcd_filter_fir): ... to here. - [truetype] Sanitizer fix. + * src/base/ftobjs.c (ft_open_face_internal): NULL-initialize the + per-face filter. + (FT_Face_Properties): Set it. + * src/smooth/ftsmooth.c (ft_smooth_render_generic): Simplify. - * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Increase array - to fix nested loops. + * src/base/ftlcdfil.c (ft_lcd_filter_fir, FT_Libary_SetLcdFilter): + Minor. -2016-07-18 Werner Lemberg <wl@gnu.org> +2017-09-24 Jonathan Kew <jfkthame@gmail.com> - [truetype] Make GETDATA work only for GX fonts. + [sfnt] Fix `premultiply_data' (#52092). - * src/truetype/ttinterp.c (opcode_name): Updated. - (Ins_GETDATA): Only define for `TT_CONFIG_OPTION_GX_VAR_SUPPORT'. - (TT_RunIns): Updated. + * src/sfnt/pngshim.c (premultiply_data): Don't use vector extension + if we have less than 16 bytes of data. -2016-07-17 Werner Lemberg <wl@gnu.org> +2017-09-24 Werner Lemberg <wl@gnu.org> - [truetype] Add support for Apple's + [otvalid] Fix handling of ValueRecords. - GETDATA[], opcode 0x92 + For GPOS pair positioning format 1 the description of ValueRecords + in the OpenType specification (1.8.2, from today) is wrong – the + offset has to be taken from the parent structure; in this case the + `PairSet' table. - bytecode instruction. It always returns 17, and we have absolutely - no idea what it is good for... + * src/otvalid/otvgpos.c (otv_PairSet_validate): Set `extra3'. + (otv_PairPos_validate): Adjust. - * src/truetype/ttinterp.c (Pop_Push_Count, opcode_name): Updated. - (Ins_GETDATA): New function. - (TT_RunIns): Add it. +2017-09-23 Werner Lemberg <wl@gnu.org> -2016-07-16 Werner Lemberg <wl@gnu.org> + [otvalid] Handle `GSUB' and `GPOS' v1.1 tables. - [truetype] Add bytecode support for GX variation fonts. + * src/otvalid/otvgsub.c (otv_GSUB_validate), src/otvalid/otvgpos.c + (otv_GPOS_validate): Implement it. - This commit implements undocumented (but confirmed) stuff from - Apple's old bytecode engine. +2017-09-23 Werner Lemberg <wl@gnu.org> - 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. + [otvalid] Update common table handling to OpenType 1.8.2. - GETINFO[], selector bit 3 - If GX variation support is enabled, bit 10 of the result is set - to 1. + * src/otvalid/otvcommn.c (otv_Device_validate): Handle + VariationIndex subtable. + (otv_Lookup_validate): Handle MarkFilteringSet. - * 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. +2017-09-23 Alexei Podtelezhnikov <apodtele@gmail.com> -2016-07-16 Werner Lemberg <wl@gnu.org> + [build] Windows-style DLL versioning. - [truetype] Fix GETINFO bytecode instruction. + * build/windows/ftver.rc: New VERSIONINFO resource. + * build/windows/vc2010/freetype.vcxproj: Further improvements. - * src/truetype/ttinterp.c (Ins_GETINFO): Fix return value for - stretching information. +2017-09-23 Ben Wagner <bungeman@google.com> -2016-07-16 Behdad Esfahbod <behdad@behdad.org> + [truetype] Really fix #52082. - [truetype] Make all glyphs in `Zycon' GX font work. + * src/truetype/ttinterp.c (Ins_MDRP): Correct conditional. - * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Fix boundary - tests. +2017-09-23 Werner Lemberg <wl@gnu.org> -2016-07-16 Werner Lemberg <wl@gnu.org> + [otvalid] Handle `GDEF' v1.2 and v1.3 tables. - [truetype] Fix GX delta tracing. + No validation of variation stuff yet. - * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Trace - relative point movements. + * src/otvalid/otvgdef.c (otv_MarkGlyphSets_validate): New function. + (otv_GDEF_validate): Implement it. -2016-07-16 Behdad Esfahbod <behdad@behdad.org> +2017-09-22 Werner Lemberg <wl@gnu.org> - [truetype] More fixes for GX. + [otvalid] Handle `BASE' v1.1 table. - This finally fixes the rendering of the cyclist and the lizard in - the `Zycon' font. + No validation of variation stuff yet. - * src/truetype/ttgxvar.c (ft_var_readpackedpoints): `first' point - index is always cumulative. + * src/otvalid/otvbase.c (otv_BASE_validate): Implement it. - (tt_handle_deltas): Rename to... - (tt_interpolate_deltas): ... This. - Add new parameter for output point array. - Update caller. +2017-09-22 Werner Lemberg <wl@gnu.org> - (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'. + [otvalid] Macros for 32bit offset support. -2016-07-15 Werner Lemberg <wl@gnu.org> + * src/otvalid/otvcommn.h (OTV_OPTIONAL_TABLE32, + OTV_OPTIONAL_OFFSET32, OTV_SIZE_CHECK32): New macros. + +2017-09-21 Alexei Podtelezhnikov <apodtele@gmail.com> + + [build] Simplify Visual C++ 2010 project. + + * build/windows/vc2010/freetype.vcxproj: Remove fake singlethreaded + configurations and tweak. + +2017-09-21 Werner Lemberg <wl@gnu.org> + + [truetype] Integer overflow (#52082). + + * src/truetype/ttinterp.c (Ins_MDRP): Avoid FT_ABS. + +2017-09-21 Werner Lemberg <wl@gnu.org> + + [sfnt] Fix postscript name for default instance of variation fonts. + + Problem reported by Behdad. + + * src/sfnt/sfdriver.c (sfnt_get_ps_name): Test + `is_default_instance'. - * src/autofit/aflatin.c (af_latin_hints_compute_segments): Thinko. +2017-09-21 Werner Lemberg <wl@gnu.org> - `max_pos' is always larger than `min_pos' so `FT_ABS' is not needed. + [truetype] Fix `mmvar' array pointers, part 2. - Reported by Alexei. + The previous commit was incomplete. -2016-07-16 Nikolaus Waxweiler <madigens@gmail.com> + * src/truetype/ttgxvar.c: Properly initialize sub-array offsets for + `master' also. - * src/truetype/ttinterp.c (Ins_MIRP): Fix copy-and-paste error. +2017-09-21 Werner Lemberg <wl@gnu.org> - Problem reported by Hin-Tak Leung. + [truetype] Fix `mmvar' array pointers. -2016-07-15 Werner Lemberg <wl@gnu.org> + Without this change, clang's AddressSanitizer reports many runtime + errors due to misaligned addresses. - [autofit] Update and improve segment and edge tracing. + * src/truetype/ttgxvar.c (TT_Get_MM_Var): Use multiples of pointer + size for sub-array offsets into `mmvar'. - * 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. +2017-09-20 Werner Lemberg <wl@gnu.org> -2016-07-15 Werner Lemberg <wl@gnu.org> + [truetype] Integer overflows. - [autofit] For edges, reject segments wider than 1px (#41334). + Changes triggered by - * src/autofit/afhints.h (AF_SegmentRec): New member `delta'. + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3429 - * 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. + * src/truetype/ttinterp.c (Ins_SHPIX, Ins_DELTAP): Use NEG_LONG. + (Ins_MIAP): Use SUB_LONG. -2016-07-14 Werner Lemberg <wl@gnu.org> +2017-09-19 Alexei Podtelezhnikov <apodtele@gmail.com> - * include/freetype/freetype.h (FT_IS_NAMED_INSTANCE): New macro. + [build] Fix DLL builds in Visual C++ project. -2016-07-14 Werner Lemberg <wl@gnu.org> + * build/windows/vc2010/freetype.vcxproj: Use DynamicLibrary in Debug + and Release configurations. + * include/freetype/config/ftconfig.h (FT_EXPORT, FT_EXPORT_DEF) + [_DLL]: Use Visual C++ extensions. - [sfnt] Fix `face_index' value in `FT_Face' for named instances. +2017-09-19 John Tytgat <John.Tytgat@esko.com> - * src/sfnt/sfobjc.s (sfnt_init_face): Don't strip off higher 16bits. + [cff] Fix family name logic of pure CFF fontdata (#52056). -2016-07-14 Werner Lemberg <wl@gnu.org> + 1. If `FamilyName' is present in the CFF font, use this for + FT_Face's `family_name'. + 2. Otherwise, use the face name and chop off any subset prefix. + 3. If at this point FT_Face's `family_name' is set, use this + together with the full name to determine the style. + 4. Otherwise, use `CIDFontName' as FT_Face's `family_name'. + 5. If we don't have a valid style, use "Regular". - * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Fix tracing. + Previously, FT_Face's `family_name' entry for pure CFF fontdata + nearly always was the fontname itself, instead of the `FamilyName' + entry in the CFF font (assuming there is one). -2016-07-14 Behdad Esfahbod <behdad@behdad.org> + * src/cff/cffobjs.c (cff_face_init) [pure_cff]: Implement it. - [truetype] Fix gxvar delta interpolation. +2017-09-18 Alexei Podtelezhnikov <apodtele@gmail.com> - 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). + [build] Declutter Visual C++ 2010-2017 project. - * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Initialize - `points_org' before looping over all tuples. + * build/windows/vc2010/freetype.vcxproj: Use MaxSpeed (/02) + optimization for Release configuration throughout the project. ---------------------------------------------------------------------------- -Copyright 2016 by +Copyright 2017-2018 by David Turner, Robert Wilhelm, and Werner Lemberg. This file is part of the FreeType project, and may only be used, modified, |