kc3-lang/freetype/ChangeLog
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Hash : 16586859
Author :
Date : 2020-06-13T21:15:45
Remove redundant inclusion of `ft2build.h'. * */*: Remove `#include <ft2build.h>' where possible. * include/freetype/freetype.h: Remove cpp error about missing inclusion of `ft2build.h'.
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ChangeLog
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2020-06-13 Werner Lemberg <wl@gnu.org> Remove redundant inclusion of `ft2build.h'. * */*: Remove `#include <ft2build.h>' where possible. * include/freetype/freetype.h: Remove cpp error about missing inclusion of `ft2build.h'. 2020-06-08 David Turner <david@freetype.org> Make macros for header file names optional. We no longer have to take care of the 8.3 file name limit; this allows us (a) to introduce longer, meaningful file names, and (b) to avoid macro names in `#include' lines altogether since some compilers (most notably Visual C++) doesn't support this properly. */*: Replace #include FOO_H with #include <freetype/foo.h> or something similar. Also update the documentation. 2020-06-02 Werner Lemberg <wl@gnu.org> * src/sfnt/ttcmap.c (tt_face_build_cmaps): Trace number of cmaps. 2020-05-18 David Turner <david@freetype.org> Remove obsolete HAVE_STDINT_H probing macro. This macro was updated by the unix configure script and the `CMakeLists.txt' one, but is never used in the source tree (nor is <stdint.h> included anywhere). * CMakeLists.txt, builds/unix/ftconfig.in: Don't handle `HAVE_STDINT_H'. 2020-05-18 David Turner <david@freetype.org> Remove Jamfile files from the tree. These have not been used in a very, very long time, so better remove them. A corresponding patch will be submitted to the `freetype2-demos' repository. * src/Jamfile, src/*/Jamfile, Jamrules: Delete. 2020-05-12 Alexei Podtelezhnikov <apodtele@gmail.com> [smooth] Turn on LCD filtering during FreeType initialization. * src/smooth/ftsmooth.c (ft_smooth_init): Enable LCD filtering. * include/freetype/ftlcdfil.h: Document it, remove patent warnings. * include/freetype/freetype.h (FT_Render_Mode): Updated. * include/freetype/config/ftoption.h, devel/ftoption.h [FT_CONFIG_OPTION_SUBPIXEL_RENDERING]: Do not mention patents. 2020-05-11 Alexei Podtelezhnikov <apodtele@gmail.com> [smooth] Stop using dedicated LCD modules and classes. The LCD modules were never truly independent. They mostly served as a way to disable patented LCD rendering, which is no longer necessary. The `smooth' module now handles LCD modes as well. * src/smooth/ftsmooth.c (ft_smooth_lcd_renderer_class. ft_smooth_lcdv_renderer_class): Deleted. (ft_render_smooth): Reworked from `ft_render_smooth_generic'. * src/smooth/ftsmooth.h: Remove dedicated LCD classes. * src/smooth/module.mk: Remove dedicated LCD modules. * include/freetype/config/ftmodule.h: Ditto. * builds/amiga/include/config/ftmodule.h: Ditto. * include/freetype/ftmodapi.h: Do not mention LCD modules. 2020-05-09 Werner Lemberg <wl@gnu.org> * Version 2.10.2 released. ========================== Tag sources with `VER-2-10-2'. * docs/VERSION.TXT: Add entry for version 2.10.2. * README, Jamfile (RefDoc), src/base/ftver.rc, builds/windows/vc2010/index.html, builds/windows/visualc/index.html, builds/windows/visualce/index.html, builds/wince/vc2005-ce/index.html, builds/wince/vc2008-ce/index.html, docs/freetype-config.1: s/2.10.1/2.10.2/, s/2101/2102/. * include/freetype/freetype.h (FREETYPE_PATCH): Set to 2. * builds/unix/configure.raw (version_info): Set to 23:2:17. * CMakeLists.txt (VERSION_PATCH): Set to 2. * docs/CHANGES: Updated. 2020-05-08 Jakub Alba <jalba@vewd.com> * src/truetype/ttinterp.c (TT_RunIns): Adjust loop counter (#58319). The font that exceeds the old limit is Icono Regular, version 1.00000. 2020-05-03 Alexei Podtelezhnikov <apodtele@gmail.com> * builds/freetype.mk: Refactor for readability. 2020-05-02 Alexei Podtelezhnikov <apodtele@gmail.com> [builds] Clean up Windows CE project files. Remove version from filenames that caused a lot of polution in the release process. Use VERSIONINFO resource instead. * builds/wince/vc2005-ce/freetype.vcproj, builds/wince/vc2008-ce/freetype.vcproj, builds/windows/visualce/freetype.vcproj, builds/windows/visualce/freetype.dsp: s/2101//g, but add `ftver.rc'. * builds/wince/vc2008-ce/index.html, builds/wince/vc2005-ce/index.html, builds/windows/visualce/index.html: s/2101//g. 2020-05-01 Alexei Podtelezhnikov <apodtele@gmail.com> * devel/ft2build.h: Override FT_CONFIG_MODULES_H here as well. 2020-05-01 Alexei Podtelezhnikov <apodtele@gmail.com> [builds/unix] Consolidate marco overrides (for the demos to see them). * builds/unix/unix-cc.in (FT_CONFIG_MODULES_H, FT_CONFIG_OPTIONS_H): Override them here... * builds/freetype.mk: ... instead of here. 2020-04-08 Werner Lemberg <wl@gnu.org> Allow setting `CC' in Unix build (#58051). * builds/unix/unix-cc.in (CC): Use `override'. The command line value of `CC' (if any) is stored already in `CCraw'. 2020-04-04 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Return if single stream operation fails. * src/sfnt/sfwoff2.c (get_x_mins): Do it. * src/sfnt/woff2tags.c: Remove unused include. 2020-03-22 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [docs] Fix building docs if `srcdir' != `builddir'. `docs/reference/*' was moved one directory up in commit 237fed6. * builds/unix/unix-def.in (PIP): Remove variable. * configure: Create `docs' directory and copy assets from `docs/markdown'. * docs/README: Output directory is `reference'. 2020-03-21 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [docwriter] Drop support for Python < 3.5. Python versions < 3.5 have reached end-of-life and as such, no security or bug fixes will be provided for those versions. See https://devguide.python.org/#status-of-python-branches for more information. * Jamfile (RefDoc): Add `site' parameter. * builds/detect.mk (std_setup): Update Python version requirement. * builds/freetype.mk (refdoc-venv): Use pip as `python -m pip'. * builds/unix/ax_compare_version.m4, builds/unix/ax_prog_python_version.m4: Macros to detect Python version. New files. * builds/unix/configure.raw: Check for Python >= 3.5 and remove check for `pip'. * docs/CHANGES, docs/INSTALL.GNU, docs/README: Updated. 2020-03-02 Moazin Khatti <moazinkhatri@gmail.com> [gzip] Support `gzip' encoded header conditionally. In order to support `gzip' encoded header the call to `inflateInit2' was modified in commit 6a92b1fadde26477a9179. However, this code breaks with the outdated internal version of zlib. This is a temporary fix to conditionally support `gzip' encoded header whenever a system installation of zlib is being used. Problem report in https://lists.nongnu.org/archive/html/freetype-devel/2020-02/msg00023.html * src/gzip/ftgzip.c (FT_Gzip_Uncompress): Change the the call to `inflateInit2' depending on whether the system installation is being used or the internal copy. 2020-02-29 Ben Wagner <bungeman@google.com> [truetype] Fix state of `FT_Face' for buggy `gvar' tables (#57923). By resetting the blend as implemented with this commit fonts with invalid `gvar' tables may keep calling into `ft_var_load_gvar' from `tt_set_mm_blend' and failing, but the font was invalid anyway and we want to keep seeing the failure in `tt_set_mm_blend'. * src/truetype/ttgxvar.c (ft_var_load_gvar): Calculate length of offset array once. Allocate arrays after `FT_FRAME_ENTER' (extra check before allocating and avoid needing to free array later if error entering frame). Always call `FT_FRAME_EXIT'. Consistently set counts immediately after array initialized. Reset the blend (particularly `blend->glyphoffsets') on failure. 2020-03-01 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [docs] Update docwriter stylesheet. This change is required to support docwriter 1.2.1. See https://github.com/freetype/docwriter/issues/36 for more information. * docs/markdown/stylesheets/extra.css: (.md-typeset code) -> (.md-typeset pre>code) (pre) -> (pre>code) (p, .md-typeset p, h4): Remove commented styles. (table.index): Remove unused styles. 2020-02-28 Ben Wagner <bungeman@google.com> [truetype] Add better checks for loading `gvar' table (#57905). * src/truetype/ttgxvar.c (ft_var_load_gvar): Delay settings of any `blend->xxxcount' values until the corresponding data has been checked. Also do some sanitizing to avoid a too early exit. (TT_Vary_Apply_Glyph_Deltas): Improve tracing message. 2020-02-27 Werner Lemberg <wl@gnu.org> Make `FT_HAS_*' and `FT_IS_*' really return true (#57906). * include/freetype/freetype.h (FT_HAS_*, FT_IS_*): Implement it. 2020-02-25 Dominik Röttsches <drott@chromium.org> Fix for CFF space glyph regression (#57541). * src/psaux/psft.c (cf2_decoder_parse_substrings): Replace early-out with FT_OFFSET. 2020-02-22 Werner Lemberg <wl@gnu.org> [woff2] Fix font table access. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20778 * src/sfnt/sfwoff2.c (get_x_mins): Explicitly check for presence of `head' table, which might not have been processed yet. 2020-02-21 Werner Lemberg <wl@gnu.org> [psaux] Make `t1_decoder_parse_metrics' handle `op_div' (#57519). * src/psaux/t1decode.c (t1_decoder_parse_metrics): Copy corresponding code from old engine's `t1_decoder_parse_charstrings' function. 2020-02-19 Nikolaus Waxweiler <nikolaus.waxweiler@daltonmaag.com> [autofit] Add support for Hanifi Rohingya script. * src/autofit/afblue.dat: Add blue zone data for Hanifi Rohingya. * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. * src/autofit/afscript.h: Add Hanifi Rohingya standard character. * src/autofit/afranges.c, src/autofit/afstyles.h: Add Hanifi Rohingya data. 2020-02-19 Werner Lemberg <wl@gnu.org> Require HarfBuzz 1.8. * builds/unix/configure.raw, CMakeLists.txt: Request HarfBuzz 1.8.0 or newer. We are going to add auto-hinter support for Hanifi Rohingya, which was introduced in Unicode 11.0. 2020-02-12 Werner Lemberg <wl@gnu.org> * src/sfnt/ttcmap.c (tt_face_build_cmaps): Ignore version (#57708). 2020-02-04 Werner Lemberg <wl@gnu.org> * src/truetype/ttinterp.c (TT_RunIns): Adjust loop counter (#57732). The font that exceeds the old limit is Constantine, version 1.001. 2020-01-04 Werner Lemberg <wl@gnu.org> [base] Fix `FREETYPE_PROPERTIES=type1:hinting-engine=adobe`. * src/base/ftpsprop.c (ps_property_set) [hinting-engine]: Avoid an incorrect return value that caused a warning. The function did the right thing, though. 2020-01-03 Werner Lemberg <wl@gnu.org> [woff2] Fix memory leaks and a runtime warning. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19773 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18101 * src/sfnt/sfwoff2.c (compute_ULong_sum): Add missing cast. (reconstruct_hmtx): Add missing deallocation calls. 2020-01-02 Dominik Röttsches <drott@chromium.org> [truetype] Fix UBSan warning on offset to nullptr (#57501). * src/truetype/ttinterp.c (Ins_CALL): Fail if `exc->FDefs' is null. 2019-12-31 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Allow bitmap-only fonts (#57394). * src/sfnt/sfwoff2.c (reconstruct_font): Fix test for `glyf' and `loca' tables. 2019-12-21 Hugh McMaster <hugh.mcmaster@outlook.com> [docs] (2/2) Fix generation of API documentation (#56745). Creating the API Reference in the (new) `reference' sub-directory is consistent with other documentation sub-topics, such as `design', `glyphs' and `tutorial'. This patch fixes broken hyperlinks in the documentation pointing to and from the API Reference. It also allows web assets to load from their relative paths. * builds/freetype.mk (DOC_DIR): Adjust. (refdoc, refdoc-venv): Add `--site' argument. * builds/toplevel.mk (do-dist): Updated. 2019-12-21 Hugh McMaster <hugh.mcmaster@outlook.com> [docs] (1/2) Move static web assets (#56745). * docs/reference/*: Move ... * docs: ... one directory up. 2019-12-21 Dominik Röttsches <drott@chromium.org> Fix more UBSan warnings on adding offset to nullptr (#57432). * src/truetype/ttinterp.c (Ins_LOOPCALL), src/psaux/psft.c (cf2_initLocalRegionBuffer): Use `FT_OFFSET'. 2019-12-16 Werner Lemberg <wl@gnu.org> [truetype] Fix UBSan warnings on adding offsets to nullptr. Reported as https://bugs.chromium.org/p/chromium/issues/detail?id=1032152 * src/truetype/ttinterp.c (Ins_FDEF, Ins_IDEF): Use `FT_OFFSET'. 2019-12-14 Werner Lemberg <wl@gnu.org> [truetype] Fix integer overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19305 * src/truetype/ttinterp.c (Ins_MIRP): Use `ADD_LONG'. 2019-12-13 Werner Lemberg <wl@gnu.org> Another bunch of UBSan warnings on adding offsets to nullptr. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19427 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19433 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19441 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19451 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19452 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19457 * src/autofit/aflatin.c (af_latin_hints_compute_segments, af_latin_hints_compute_edges): Use `FT_OFFSET'. * src/base/ftstream.c (FT_Stream_EnterFrame): Use `FT_OFFSET'. * src/psaux/cffdecode.c (cff_decoder_parse_charstrings): Exit early if there is no charstring. * src/psaux/psobjs.c (t1_decrypt): Use `FT_OFFSET'. * src/smooth/ftsmooth.c (ft_smooth_render_generic): Exit early for zero bitmap dimensions. 2019-12-09 Dominik Röttsches <drott@chromium.org> Fix more UBSan warnings on adding offset to nullptr (#57384). * src/smooth/ftsmooth.c (ft_smooth_render_generic), src/psaux/psobjs.c (ps_table_add): Use `FT_OFFSET'. 2019-12-05 Werner Lemberg <wl@gnu.org> * src/truetype/ttinterp.c (TT_RunIns): Use `FT_OFFSET'. Reported as https://bugs.chromium.org/p/chromium/issues/detail?id=1030614 2019-12-03 Werner Lemberg <wl@gnu.org> More nullptr offset UBSan warnings (#57331, #57347). * src/autofit/afcjk.c (af_cjk_hints_compute_segments), src/psaux/psft.c (cf2_getSeacComponent), src/truetype/ttinterp.c (Ins_UNKNOWN): Use `FT_OFFSET'. 2019-11-29 Dominik Röttsches <drott@chromium.org> Avoid more nullptr offset UBSan warnings (#57316). * src/base/ftoutln.c (FT_Outline_Transform): Bail on empty points. * src/cff/cffload.c (cff_subfont_load): Use `FT_OFFSET'. * src/psaux/psft.c (cf2_decoder_parse_substrings): Early out if `charstring_base' or `charstring_len' are null. * src/sfnt/ttload.c (tt_face_load_name): Use `FT_OFFSET'. 2019-11-23 John Stracke <jstracke@Google.com> [base] Really fix #57194. Apply accidentally missed second part of patch. * src/base/ftgloadr.c (FT_GlyphLoader_CheckPoints): Call `FT_GlyphLoader_CreateExtra'. 2019-11-23 Werner Lemberg <wl@gnu.org> [truetype] Avoid sanitizer warning (#57289). * src/truetype/ttpload.c (tt_face_get_device_metrics): Use `FT_OFFSET'. 2019-11-23 Armin Hasitzka <prince.cherusker@gmail.com> [truetype] Fix integer overflow (#57287). * src/truetype/ttgload.c (compute_glyph_metrics): Use `SUB_LONG'. 2019-11-23 Ben Wagner <bungeman@google.com> [sfnt] Avoid sanitizer warning (#57286). * src/sfnt/ttcmap.c (tt_face_build_cmaps): Avoid possible `NULL + offset' computation. Tag `table' as `const'. 2019-11-23 John Stracke <jstracke@Google.com> Werner Lemberg <wl@gnu.org> [base] Fix `NULL + offset' sanitizer warnings (#57194). * src/base/ftgloadr.c (FT_GlyphLoader_Adjust_Points, FT_GlyphLoader_Adjust_Subglyphs): Use `FT_OFFSET'. (FT_GlyphLoader_CreateExtra): Add short cut if some values are zero. 2019-11-23 Werner Lemberg <wl@gnu.org> * include/freetype/internal/ftmemory.h (FT_OFFSET): New macro. Use this for `base + offset' pointer calculations where `base' can be NULL (triggering a sanitizer warning even if the resulting pointer gets never dereferenced since it is undefined behaviour in C). Suggested by Ben Wagner. 2019-11-23 Ben Wagner <bungeman@google.com> [sfnt] Ensure OTTO fonts have tables (#57285). * src/sfnt/ttload.c (tt_face_load_font_dir): Add test. 2019-11-23 Behdad Esfahbod <behdad@behdad.org> Minor fixes for recent compilers. * src/gzip/infutil.h (inflate_mask): Add `const'. * src/autofit/aflatin2.c: Include `ft2build.h'. 2019-11-07 Nikolaus Waxweiler <madigens@gmail.com> * CMakeLists.txt: Minor additions to the notes, compile builds/unix/ftsystem.c instead of src/base/ftsystem.c on UNIX. The latter change is based on the code proposed by rim in #55235. 2019-10-25 Werner Lemberg <wl@gnu.org> * src/sfnt/sfwoff2.c (woff2_open_font): Check `num_fonts' for TTCs. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18494 2019-10-22 Werner Lemberg <wl@gnu.org> * src/sfnt/sfwoff2.c (woff2_open_font): Avoid undefined shift. Also improve tracing. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18390 2019-10-10 Alexei Podtelezhnikov <apodtele@gmail.com> * src/sfnt/pngshim.c (premultiply_data): Optimize for __SSE__ only. 2019-10-10 Werner Lemberg <wl@gnu.org> * src/sfnt/sfwoff2.c (reconstruct_glyf): Check `triplet_size'. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18108 2019-10-09 John Tytgat <John.Tytgat@esko.com> [cff] Fix FT_FACE_FLAG_GLYPH_NAMES for CFF2 based fonts (#57023). * src/cff/cffobjs.c (cff_face_init): Don't set FT_FACE_FLAG_GLYPH_NAMES for CFF2 based fonts. 2019-10-08 Werner Lemberg <wl@gnu.org> [woff2] Fix SFNT table checks. Also reduce number of SFNT table lookups. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18065 * include/freetype/internal/wofftypes.h (WOFF2_InfoRec): Add fields `glyf_table', `loca_table', and `head_table'. * src/sfnt/sfwoff2.c (reconstruct_glyf): Update signature. Use table pointers in `info' parameter. (get_x_mins): Check `maxp_table' Use table pointers in `info' parameter. (reconstruct_font): Use and set table pointers in `info' parameter. Fix check for `glyf' and `loca' tables. Update call to `reconstruct_glyf'. (woff2_open_font): Updated. 2019-10-06 Werner Lemberg <wl@gnu.org> * src/sfnt/sfwoff2.c (reconstruct_glyf): Fix reallocation. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18046 2019-10-06 Werner Lemberg <wl@gnu.org> Improve memory debugging. * include/freetype/internal/ftmemory.h (FT_MEM_FREE): Use `FT_DEBUG_INNER' to set source code file name and line. * src/base/ftdbgmem.c (ft_mem_table_remove): Better formatting of tracing message. 2019-10-03 Werner Lemberg <wl@gnu.org> * src/sfnt/sfwoff2 (reconstruct_font): Fix reallocation. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17966 2019-10-01 Alexei Podtelezhnikov <apodtele@gmail.com> * src/base/ftstroke.c (ft_stroker_inside): Speed up. 2019-10-01 Werner Lemberg <wl@gnu.org> * src/sfnt/sfwoff2 (woff2_open_font): Initialize `woff2.ttc_fonts'. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17804 2019-09-30 Werner Lemberg <wl@gnu.org> * src/sfnt/sfwoff2.c (reconstruct_font): Fix memory leak. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17812 2019-09-30 Werner Lemberg <wl@gnu.org> [woff2] Reject fonts without `head' table. Also fix memory deallocation in case of error. `head' problem reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17820 * src/sfnt/sfwoff2.c (reconstruct_glyf): Don't use `stream_close'. Abort if `head_table' is NULL. Don't free `transformed_buf' in case of error. (woff2_open_font): Don't set `uncompressed_buf' to NULL. 2019-09-29 Werner Lemberg <wl@gnu.org> [woff2] Fix compiler warnings. Problem reported by Alexei. * src/sfnt/sfwoff2.c (reconstruct_glyf): Initialize `x_min'. (reconstruct_font): Initialize `num_hmetrics'. (woff2_open_font): Initialize `info'. 2019-09-28 Werner Lemberg <wl@gnu.org> * src/sfnt/sfwoff2.c (woff2_open_font): Fix sanity check. Correct thinkos in patch from 2019-09-01. 2019-09-28 Werner Lemberg <wl@gnu.org> [woff2] Fix memory leaks. One of them reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17766 * src/sfnt/sfwoff2.c (woff2_open_font): Free `info->x_mins' and `woff2->ttc_fonts'. (reconstruct_glyf): Initialize `info->x_mins'. 2019-09-27 Alexei Podtelezhnikov <apodtele@gmail.com> * src/base/ftstroke.c (ft_stroker_cap): Speed up caps. 2019-09-25 Alexei Podtelezhnikov <apodtele@gmail.com> * src/base/ftstroke.c (ft_stroker_outside): Speed up clipped miter. * include/freetype/ftstroke.h: Wordsmith miter docs. 2019-09-25 Werner Lemberg <wl@gnu.org> * src/sfnt/sfwoff2.c (woff2_open_font): Check (sum of) table sizes. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17684 2019-09-23 Alexei Podtelezhnikov <apodtele@gmail.com> * src/base/ftstroke.c (ft_stroke_border_arcto): Speed up calculations. 2019-09-20 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Fix memory leaks. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16896 * src/sfnt/sfwoff2.c (woff2_open_font): Fix error handling. Free `uncompressed_buf'. (reconstruct_font): Free `transformed_buf'. 2019-09-17 Werner Lemberg <wl@gnu.org> * src/otvalid/otvcommon.c (otv_Coverage_get_last): Guard `count'. Problem reported by Marc Schönefeld <marc.schoenefeld@gmx.org>. 2019-09-17 Werner Lemberg <wl@gnu.org> * src/sfnt/sfwoff2.c (woff2_open_font): Check table index. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17100 2019-09-15 Avi Halachmi (:avih) <avihpit@yahoo.com> [cmake] Don't fail if brotli is missing (#56894). The libs which cmake controls are commented out at include/freetype/config/ftoption.h and cmake un-comment each enabled library, but the brotli option was not commented out, therefore `FT_CONFIG_OPTION_USE_BROTLI' remained defined even if brotli was missing/disabled/etc. Comment it such that cmake can control it, which means leaving it undefined if brotli is missing. * include/freetype/config/ftoption.h: Fix typo. 2019-09-05 Werner Lemberg <wl@gnu.org> [cmake] Add brotli support. * CMakeLists.txt (FT_WITH_BROTLI): New option. * builds/cmake/FindBrotliDec.cmake: New file. 2019-09-05 Werner Lemberg <wl@gnu.org> Fix handling of `AF_CONFIG_OPTION_INDIC'. * devel/ftoption.h, include/freetype/config/ftoption.h: `AF_CONFIG_OPTION_INDIC' needs `AF_CONFIG_OPTION_CJK'. 2019-09-05 Werner Lemberg <wl@gnu.org> CMakeLists.txt: Fix generation of DLL related stuff (#56852). Extract `version_info' variable from `builds/unix/configure.raw' and use the data to correctly set `LIBRARY_VERSION' and `LIBRARY_SOVERSION'. Also use the data to set `ft_version' field in `freetype2.pc'. Also fix the needed minimum version of HarfBuzz in `freetype2.pc'. 2019-09-03 Werner Lemberg <wl@gnu.org> * src/sfnt/sfwoff2.c (compute_ULong_sum): Fix undefined shift. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16933 2019-09-01 Werner Lemberg <wl@gnu.org> * src/sfnt/sfwoff2.c (woff2_open_font): Add sanity check. Don't trust `totalSfntSize' unconditionally. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16893 2019-08-27 Dominik Röttsches <drott@chromium.org> [woff2] Don't use `FT_UInt64' (#56815). * src/sfnt/sfwoff2.c (woff2_open_font): Use `FT_UInt32' for `file_offset'. This fixes builds on platforms where `FT_LONG64' is not defined while still being sufficient to store a file offset. 2019-08-27 Werner Lemberg <wl@gnu.org> [truetype] Prevent crash in `TT_Set_Named_Instance' (#56813). * src/truetype/ttgxvar.c (TT_Set_Named_Instance): Fix error handling. 2019-08-27 Werner Lemberg <wl@gnu.org> [woff2] Fix compiler warnings. * src/sfnt/sfwoff2.c (read_num_hmetrics): Remove unused argument `table_len'. Update caller. (triplet_decode, compute_bbox, store_loca, reconstruct_glyf): Make `i' variable unsigned. (reconstruct_glyph): Remove condition which is always false. (reconstruct_html): Removed unused argument `transformed_size'. Update caller. * src/sfnt/woff2tags.c (woff2_known_tags): Remove condition which is always false. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Check whether known tag is in array bounds. If table tag is not 0x3f, we expect a value between 0 and 62. If this is not the case, exit with errors. * src/sfnt/sfwoff2/c: Check whether table tag makes sense. * src/sfnt/woff2tags.c: Return 0 if tag is out of bounds. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> * src/sfnt/sfwoff2.c: Improve trace comments. Adjust tracing levels for comments, and more formatting. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Support `hmtx' reconstruction when `glyf' is untransformed. `reconstruct_hmtx' requires `info->x_mins' and `info->num_glyphs' to reconstruct the hmtx table. In case glyf is not transformed, we call `get_x_mins' which does the necessary work. * src/sfnt/sfwoff2.c (get_x_mins): New function. (reconstruct_font): Call get_x_mins. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [sfnt] Support `face->num_faces' for WOFF2 fonts. Set correct value of `face->num_faces' for WOFF2 fonts. This is being handled separately because we only load the tables for the requested font face in `woff2_open_font' and create a single-face sfnt stream. The full discussion is at: https://lists.gnu.org/archive/html/freetype-devel/2019-08/msg00000.html * src/sfnt/sfobjs.c (sfnt_open_font): Add parameter `woff2_num_faces'. (sfnt_init_face): Introduce variable `woff2_num_faces', and change `face->root.num_faces' if `woff2_num_faces' is set. * src/sfnt/sfwoff2.c (woff2_open_font): Validate requested face index and handle negative face indices. * src/sfnt/sfwoff2.h (woff2_open_font): Add parameter `num_faces' to declaration. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Improve memory and error handling. Free up memory after use, and improve error handling. * src/sfnt/sfwoff2.c (reconstruct_font, woff2_open_font): Implement changes. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Avoid too many calls to `FT_REALLOC'. We do this by using `totalSfntSize' as an initial reference, and extending the buffer when required. This reduces rendering time considerably. * include/freetype/internal/wofftypes.h (WOFF2_HeaderRec): Add `totalSfntSize', rename `total_sfnt_size' to `actual_sfnt_size'. * src/sfnt/sfwoff2.c (write_buf): Add parameter `dst_size' to keep track of and update total size of stream. (WRITE_SFNT_BUF, WRITE_SFNT_BUF_AT): Modify macros accordingly. (pad4, store_loca, reconstruct_glyf, reconstruct_hmtx, reconstruct_font): Update parameters to accept `sfnt_size'. (woff2_open_font): Add variable `sfnt_size'. Use WOFF2 header field `totalSfntSize' as initial reference (if value makes sense) and allocate `totalSfntSize' bytes for the sfnt stream. `write_buf' handles reallocation if and when required. Also resize the stream to `actual_sfnt_size' after reconstruction. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Reconstruct `loca', `hmtx', and swap out stream. Add necessary functions to reconstruct loca and hmtx tables (the two remaining tables that can have a transform). `woff2_open_font' is now capable of loading a woff2 font face. This code may still need more refining and better memory management. * include/freetype/internal/wofftypes.h (WOFF2_HeaderRec): Add total (final) size of sfnt stream. (WOFF2_InfoRec): Add header checksum value. * src/sfnt/sfobjs.c (sfnt_open_font): Change `face_instance_index' parameter to its pointer so its value can be modified by `woff2_open_font'. * src/sfnt/sfwoff2.c: (WRITE_SFNT_BUF_AT): New macro to write into sfnt buffer at given position. (write_buf): Add parameter `extend_buf' which allows caller to specify whether buffer should be reallocated before copying data. (WRITE_SFNT_BUF): Updated. (pad4, store_loca, reconstruct_htmx): New functions. (reconstruct_glyf): Calculate loca values and store them. (reconstruct_font): Call `reconstruct_hmtx', write table record entries, and calculate table checksums. Also calculate font checksum and update `checksumAdjustment' entry in head table. (woff2_open_font): Open stream for sfnt buffer, swap out input stream and return. * src/sfnt/sfwoff2.h (woff2_open_font): Modify parameter to accept pointer to `face_index'. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Reconstruct transformed `glyf' table. Reconstruct `glyf' table if it is transformed in the uncompressed table stream. Also add necessary structures, macros and functions. * include/freetype/internal/wofftypes.h (WOFF2_InfoRec, WOFF2_SubstreamRec, WOFF2_PointRec): New structures. (WOFF2_TableRec): s/OrigLength/dst_length/. * src/sfnt/sfwoff2.c (READ_255USHORT, READ_BASE128): Use `FT_SET_ERROR' to set implicit `error' variable. (WRITE_SHORT): New macro. (N_CONTOUR_STREAM, N_POINTS_STREAM, FLAG_STREAM, GLYPH_STREAM, COMPOSITE_STREAM, BBOX_STREAM, INSTRUCTION_STREAM): New macros to refer to substreams of the transformed `glyf' tables. (Read255UShort, ReadBase128): Return errors set by `FT_READ_XXX' macros. (with_sign, safe_int_addition): New functions to add sign to values based on a flag and perform safe addition respectively. (triplet_decode): Decode variable-length (flag, xCoordinate, yCoordinate) triplet for a simple glyph. See https://www.w3.org/TR/WOFF2/#triplet_decoding (store_points, compute_bbox, composteGlyph_size, reconstruct_glyf): New functions. (reconstruct_font): Call `reconstruct_glyf'. * src/sfnt/sfwoff2.h: Add required constants. * src/sfnt/woff2tags.h: Move out constants to `sfwoff2.h'. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Copy un-transformed tables to sfnt stream. Copy un-transformed tables to the sfnt stream. * src/sfnt/sfwoff2.c: (WRITE_SFNT_BUF): New macro. (write_buf): New function. Extend memory of `dst' buffer and copy bytes from `src'. (compute_ULong_sum): New function. Calculate checksum of table. (reconstruct_font): Change `FT_Byte* sfnt' to `FT_Byte** sfnt_bytes'. This has been done because we reallocate memory to `sfnt' multiple times, which may change the pointer value of `sfnt'. This new pointer must be propogated back to the caller. Same reason for using a double pointer in `write_buf'. * src/sfnt/woff2tags.h (WOFF2_DEFAULT_MAX_SIZE): New macro used for overflow checking. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Create stream for uncompressed buffer. Uncompressed buffer is now an `FT_Stream'. Perform basic checks and start iterating over tables. * src/sfnt/sfwoff2.c (stream_close, find_table, read_num_hmetrics): New functions. (reconstruct_font): Modify parameters and iterate over tables. (woff2_open_font): Updated. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Handle TTCs and start reconstructing font. We `handle' TTCs by modifying the `indices' array to point to only those tables that are part of the requested `face_index'. Set and use `num_tables' in `WOFF2_TtcFont'. * src/sfnt/sfwoff2.c (reconstruct_font): New function. (woff2_open_font): Start reconstruction of font. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Get known tags from function. Change `KnownTags' to a function (`woff2_known_tags'). This avoids introducing a global constant array. This function returns the specified index without *any* checks. The caller must ensure that `index' is within array limits. * src/sfnt/sfwoff2.c (woff2_open_font): Change `KnownTags[...]' notation to `woff2_known_tags( ... )'. * src/sfnt/woff2tags.c: Perform changes. * src/sfnt/woff2tags.h: Update definitions. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Minor. * src/sfnt/sfwoff2.c (woff2_uncompress): Add error message (woff2_open_font): Free `uncompressed_buf'. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Uncompress Brotli streams and `face_index' support. WOFF2 compressed stream is now uncompressed if Brotli is available. This data is stored in a separate buffer (uncompressed_buf) because it does not contain direct table data. Certain tables have transformations applied to them, and they must be reconstructed before we can write those tables to the SFNT stream. `face_index' is now being passed as a parameter to `woff2_open_font'. * src/sfnt/sfobjs.c (sfnt_open_font): Add parameter `face_instance_index'. * src/sfnt/sfwoff2.c (woff2_uncompress): New function. (woff2_open_font): Call `woff2_uncompress'. (compute_first_table_offset): Fix return type. * src/sfnt/sfwoff2.h (woff2_open_font): Modify declaration. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> * builds/unix/configure.raw: Change argument name to `brotli'. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> Add Brotli dependency and required checks. Brotli is required for decompressing WOFF2 font directory streams. The library is thus being added as an optional dependency for FreeType. * builds/unix/configure.raw: Add checks for `libbrotlidec'. (REQUIRES_PRIVATE, LIBS_PRIVATE, LIBSSTATIC_CONFIG): Updated. * devel/ftoption.h, include/freetype/config/ftoption.h (FT_CONFIG_OPTION_USE_BROTLI): New macro. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Write SFNT Offset table. * src/sfnt/sfwoff2.c (WRITE_USHORT, WRITE_ULONG): New macros. (compare_tags): New function. (woff2_open_font): Implement it. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> * src/sfnt/sfwoff2.c: #undef macros. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [woff2] Read table and collection directory. * include/freetype/internal/wofftypes.h (WOFF2_TtcFontRec): New structure. (WOFF2_HeaderRec): Add more fields. * src/sfnt/sfwoff2.c (READ_255USHORT, READ_BASE128, ROUND4): New macros. (Read255UShort, CollectionHeaderSize, compute_first_table_offset): New functions. (ReadBase128): Use `FT_READ_BYTE'. (woff2_open_font): Add functionality to read table directory and collection directory (if present). 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [sfnt] Include `woff2tags.c' for building. * src/sfnt/rules.mk (SFNT_DRV_SRC): Add `woff2tags.c'. * src/sfnt/sfnt.c: Include `woff2tags.c'. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [sfnt] Add WOFF2 constants. Add constants required for WOFF2, and known table tags as defined in the specification. See https://www.w3.org/TR/WOFF2/#table_dir_format for details. * src/sfnt/woff2tags.c, src/sfnt/woff2tags.h: New files. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [sfnt] Read WOFF 2 header. Check for WOFF2 tag, call `woff2_open_font', and implement it to read header according to specification. * include/freetype/internal/fttrace.h: Add `sfwoff2.c'. * src/sfnt/rules.mk (SFNT_DRV_SRC): Add `sfwoff2.c'. * src/sfnt/sfnt.c: Include `sfwoff2.c'. * src/sfnt/sfobjs.c (sfnt_open_font): Check for `wOF2' tag and call `woff2_open_font'. * src/sfnt/sfwoff2.c, src/sfnt/sfwoff2.h: New files. 2019-08-27 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> Add structures for WOFF2. Add structures and macro for WOFF 2 header and table directory. * include/freetype/internal/wofftypes.h (WOFF2_HeaderRec, WOFF2_TableRec_): New structures. * include/freetype/tttags.h (TTAG_wOF2): New macro. 2019-08-26 Werner Lemberg <wl@gnu.org> * src/psaux/cffdecode.c (cff_operator_seac): Fix numeric overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16470 2019-08-26 Werner Lemberg <wl@gnu.org> [type1] Fix `FT_Get_Var_Axis_Flags' (#56804). * src/type1/t1load.c (T1_Get_MM_Var): Allocate space for axis flags. Also remove redundant assignment. 2019-07-24 Alexei Podtelezhnikov <apodtele@gmail.com> * src/base/ftbbox.c (cubic_peak): Sanitize left shift (#56586). 2019-07-22 Weiyi Wu <w1w2y3@gmail.com> * src/cid/cidload.c (cid_hex_to_binary): Fix typo (#56653). 2019-07-12 Werner Lemberg <wl@gnu.org> [sfnt, winfonts] Avoid memory leaks in case of error (#56587). * src/sfnt/sfwoff.c (woff_open_font): Call `FT_FRAME_EXIT' in case of error. * src/winfonts/winfnt.c (fnt_face_get_dll_font): Ditto. 2019-07-12 Ben Wagner <bungeman@google.com> Properly handle phantom points for variation fonts (#56601). * src/truetype/ttgload.c (TT_Process_Simple_Glyph): Scale phantom points if HVAR and/or VVAR is present. 2019-07-04 Werner Lemberg <wl@gnu.org> [psaux] (2/2) Handle fonts that use SEAC for ligatures (#56580). The same as previous commit but for the old engine. * src/psaux/t1decode.c (t1operator_seac): Implement it. 2019-07-04 Chris Liddell <chris.liddell@artifex.com> [psaux] (1/2) Handle fonts that use SEAC for ligatures (#56580). As originally intended, a Type 1 SEAC charstring would be used for an accented glyph (like `acaron' or `uumlaut'), where the advance width of the SEAC glyph is the same as that of the `base' glyph (like `a' or `u'). In this case it is not uncommon for the SEAC glyph to not use an (H)SBW opcode of its own but to rely on the value from the base glyph. However, out-of-spec fonts also use SEAC glyphs for ligatures (like `oe' or `fi'), and in those cases the overall advance width is greater than that of the `base' glyph. For this reason we have to allow that the SEAC glyph can have an (H)SBW value of its own, and if it has, retain this value, rather than the one from the base glyph. * src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_escSEAC>: Implement it. 2019-07-01 Werner Lemberg <wl@gnu.org> * Version 2.10.1 released. ========================== Tag sources with `VER-2-10-1'. * docs/VERSION.TXT: Add entry for version 2.10.1. * README, Jamfile (RefDoc), src/base/ftver.rc, builds/windows/vc2010/freetype.vcxproj, builds/windows/vc2010/index.html, builds/windows/visualc/freetype.dsp, builds/windows/visualc/freetype.vcproj, builds/windows/visualc/index.html, builds/windows/visualce/freetype.dsp, builds/windows/visualce/freetype.vcproj, builds/windows/visualce/index.html, builds/wince/vc2005-ce/freetype.vcproj, builds/wince/vc2005-ce/index.html, builds/wince/vc2008-ce/freetype.vcproj, builds/wince/vc2008-ce/index.html: s/2.10.0/2.10.1/, s/2100/2101/. * include/freetype/freetype.h (FREETYPE_PATCH): Set to 1. * builds/unix/configure.raw (version_info): Set to 23:1:17. * CMakeLists.txt (VERSION_PATCH): Set to 1. * include/freetype/fterrors.h (FT_Error_String): Fix C++ compilation. 2019-06-26 Alexei Podtelezhnikov <apodtele@gmail.com> * src/bdf/bdfdrivr.c (bdf_cmap_char_{index,next}): Fix inequality. Reported by Armin Hasitzka. 2019-06-16 Werner Lemberg <wl@gnu.org> * src/tools/apinames.c: Formatting, minor edits. 2019-06-16 Werner Lemberg <wl@gnu.org> [autofit] Disable hinting if no blue zones are available (#56450). * src/autofit/afglobal.c (af_face_global_get_metrics): Start again (with dummy hinter module) if no blue zones are present. * src/autofit/aflatin.c (af_latin_metrics_init_blues): Change signature to return error code. If no blue zones are found, update `glyph_styles' array to hold AF_STYLE_NONE_DFLT instead of the current style. (af_latin_metrics_init): Return internal error code if no blue zones are found. 2019-06-16 Werner Lemberg <wl@gnu.org> Towards better VMS support. More to come. * builds/vms/LIBS.OPT_IA64, builds/vms/_LINK.OPT_IA64, builds/vms/vmslib.dat: New files provided by Jouk Jansen <joukj@hrem.nano.tudelft.nl>. * builds/vms/ftconfig.h: Update, also from Jouk. 2019-06-13 Werner Lemberg <wl@gnu.org> * src/autofit/aflatin.c (af_latin_metrics_init_widths): Minor. 2019-06-13 Alexei Podtelezhnikov <apodtele@gmail.com> [smooth] Restore the span buffering for direct mode only. The buffer size FT_MAX_GRAY_SPANS is set to 10 spans, which should be enough to cover the entire scanline for simple glyphs in most cases: each slightly slanted edge needs up to two spans, plus a filling span in-between. This is not new, we used to do it before cb4388783cecc. * src/smooth/ftgrays.c (gray_TWorker): Add `spans' and `num_spans'. (gray_hline, gray_sweep): Implement the span buffering. (gray_raster_render): Use negative `num_spans' to avoid the direct mode. 2019-06-12 Alexei Podtelezhnikov <apodtele@gmail.com> * include/freetype/ftmodapi.h (FT_DebugHook_Func): Return error. Fix a warning by adding a return value as in `TT_RunIns', which should not be a compatibility issue. 2019-06-11 Alexei Podtelezhnikov <apodtele@gmail.com> * src/truetype/ttobjs.c (tt_check_trickyness_family): Add `const'. 2019-06-11 Moazin Khatti <moazinkhatri@gmail.com> [gzip] Add support for `gzip' encoded header. * src/gzip/ftgzip.c (FT_Gzip_Uncompress): Modify the the call to `inflateInit2' to enable support for `gzip' encoded headers. 2019-06-10 Alexei Podtelezhnikov <apodtele@gmail.com> [type1,type42] Use `const' for string literals. * include/freetype/internal/psaux.h (PS_Table_FuncsRec): Updated. * include/freetype/internal/t1types.h (T1_EncodingRec): Updated. * src/psaux/psobjs.[ch] (ps_table_add): Updated. * src/type1/t1load.c (T1_Open_Face, parse_encoding): Updated. * src/type42/t42objs.c (T42_Open_Face): Updated. * src/type42/t42parse.c (t42_parse_encoding): Updated. * src/cff/cffobjs.c (cff_face_init): Minor. 2019-06-10 Alexei Podtelezhnikov <apodtele@gmail.com> [bdf,pcf] Use `const' for string literals. * src/bdf/bdf.h (bdf_property_t): Updated `name'. * src/bdf/bdflib.c (_bdf_list_split,bdf_create_property, _bdf_add_property,_bdf_ato*): Updated. * src/bdf/bdfdrivr.c (bdf_interpret_style): Updated. * src/pcf/pcfread.c (pcf_intrpret_style): Ditto. 2019-06-07 Philip Race <philip.race@oracle.com> * src/base/ftinit.c (FT_Set_Default_Properties): Fix crash. Terminate loop at end of environment. 2019-05-31 Alexei Podtelezhnikov <apodtele@gmail.com> Solidify VC2005 builds. * include/freetype/internal/ftcalc.h (FT_MSB) [_MSC_VER]: Explicitly declare `_BitScanReverse' intrinsic. * builds/windows/visualc/freetype.vcproj [Debug]: Disable intrinsics. 2019-05-30 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [sfnt] Separate WOFF sources and headers. Move WOFF sources and headers to separate files. * include/freetype/internal/wofftypes.h, src/sfnt/sfwoff.c, src/sfnt/sfwoff.h: New files. * include/freetype/internal/fttrace.h: Register `sfwoff.c'. * include/freetype/internal/internal.h: Define FT_INTERNAL_WOFF_TYPES_H. * include/freetype/internal/sfnt.h: Include FT_INTERNAL_WOFF_TYPES_H. * include/freetype/internal/tttypes.h: Move out WOFF structures. * src/sfnt/rules.mk: Add `sfwoff.c'. * src/sfnt/sfnt.c: Include `sfwoff.c'. * src/sfnt/sfobjs.c: Include `sfwoff.h', move out WOFF sources. 2019-05-30 Werner Lemberg <wl@gnu.org> [base] Fix `make multi'. Reported by Nikhil. * src/base/fterrors.c: Include FT_INTERNAL_DEBUG_H. 2019-05-29 Ben Wagner <bungeman@google.com> [truetype] Fix copy-and-paste error (#56409). * src/truetype/ttgload.c (load_truetype_glyph): Use correct indices into `unrounded' array for phantom points. 2019-05-29 Werner Lemberg <wl@gnu.org> [truetype] Fix 32bit builds (#56404). Patch suggested by Ben Wagner <bungeman@google.com>. * src/truetype/ttgxvar.c (FT_fixedToInt, FT_fixedToFdot6): Remove harmful cast to unsigned type. 2019-05-26 Ben Wagner <bungeman@google.com> * src/truetype/ttgload.c (TT_Process_Simple_Glyph): Improve accuracy. 2019-05-23 Werner Lemberg <wl@gnu.org> [truetype] Draw glyphs without deltas in variation font (#56374). * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Always fill `unrounded' array. 2019-05-21 Werner Lemberg <wl@gnu.org> * src/truetype/ttinterp.c (opcode_name): Improve mnemonics. 2019-05-16 Werner Lemberg <wl@gnu.org> [truetype] Actually scale varied CVT values. Up to now, only the unscaled CVT values were varied; in other words, the `CVAR' data was never used for bytecode hinting. * src/truetype/ttgxvar.c (tt_cvt_ready_iterator): New auxiliary function. (tt_face_vary_cvt): Use it to trigger rescaling of CVT values. 2019-05-16 Werner Lemberg <wl@gnu.org> [truetype] Use 26.6 format for storing unscaled CVT values. If `CVAR' data is applied to variation fonts, fractional values are possible. * include/freetype/internal/tttypes.h (TT_FaceRec): Change type of `cvt' from `FT_Short' to `FT_Int32'. * src/truetype/ttgxvar.c (FT_fdot6ToFixed): New macro. (tt_face_vary_cvt): Use it to update code to 26.6 format. * src/truetype/ttobjs.c (tt_size_run_prep): Update code to 26.6 format. * src/truetype/ttpload.c (tt_face_load_cvt): Stora data in 26.6 format. 2019-05-16 Werner Lemberg <wl@gnu.org> * src/truetype/ttgload.c (load_truetype_glyph): Init `unrounded'. This fixes linear advance width values for spacing glyphs. Bug introduced 2019-05-09. 2019-05-16 Werner Lemberg <wl@gnu.org> [truetype] Avoid code duplication. * src/truetype/ttobjs.c (tt_size_run_prep): Scale CVT values in this function. (tt_size_ready_bytecode): Updated. * src/truetype/ttgload.c (tt_loader_init): Updated. 2019-05-13 Jouk Jansen <joukj@hrem.nano.tudelft.nl> * vms_make.com: Updated. Handle `bzip2' directory, too. 2019-05-13 Werner Lemberg <wl@gnu.org> * src/psaux/psfont.c (cf2_font_setup): Fix compiler warning. 2019-05-12 Werner Lemberg <wl@gnu.org> [truetype] Doh. Fix last commit to make it work. Very embarassing :-) Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14701 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14705 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14710 * src/truetype/ttgload.c (IS_DEFAULT_INSTANCE): Move up and add argument; update all callers. (TT_Process_Simple_Glyph): Use it. The `unrounded' array is active for variation fonts only, thus also enclose related code with `#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT ... #endif' where necessary. Revert commit a113e5d from 2019-05-09, and don't use `extra_points2' but allocate a temporary array. Speed up the scaling of the `unrounded' array. * src/truetype/ttgxvar.c (FT_fixedToInt, FT_FixedToFdot6): Fix type conversions and rounding. The unsigned type must have more or equal bits to the signed type. 2019-05-09 Werner Lemberg <wl@gnu.org> [truetype] Increase precision of font variation (#54371). This patch makes FreeType use font units in 26.6 format internally instead of integers. * src/truetype/ttgxvar.c (FT_fixedToFdot6): New macro. (TT_Vary_Apply_Glyph_Deltas): Add argument to output unrounded font coordinates. * src/truetype/ttgxvar.h: Updated. * src/truetype/ttgload.c (TT_Process_Simple_Glyph): Use `extra_points2' array to temporarily hold unrounded point coordinates; use them to compute scaled coordinates and linear advance width and height. (load_truetype_code): Adjust similarly. 2019-05-09 Werner Lemberg <wl@gnu.org> * src/truetype/ttgload.c (TT_Process_Simple_Glyph): Minor. 2019-05-08 Alexei Podtelezhnikov <apodtele@gmail.com> [smooth] Faster fractions. * src/smooth/ftgrays.c (SUBPIXELS): Replace with... (FRACT): A fractional coordinate macro to use in... (gray_render_line, gray_render_scanline): ... here. 2019-05-07 Alexei Podtelezhnikov <apodtele@gmail.com> * src/raster/ftraster.c (Draw_Sweep): Unbreak. 2019-05-05 Alexei Podtelezhnikov <apodtele@gmail.com> * src/raster/ftraster.c: Clean-ups. 2019-05-05 Werner Lemberg <wl@gnu.org> * src/truetype/ttgxvar.c: More use of `FT_fdot14ToFixed'. 2019-05-04 Alexei Podtelezhnikov <apodtele@gmail.com> * src/smooth/ftgrays.c (gray_render_line): Small shortcut. 2019-05-04 Werner Lemberg <wl@gnu.org> Various clang 8.0 static analyzer fixes. Reported by Sender Ghost <lightside@gmx.com>. * src/autofit/afcjk.c (af_cjk_hints_compute_edges): Catch a corner case where `edge->first' could be NULL. * src/pfr/pfrobjs.c (pfr_slot_load): Remove unnecessary test of `size'. * src/raster/ftraster.c (Draw_Sweep): Catch a corner case where `draw_right' might be NULL. * src/sfnt/ttmtx.c (tt_face_get_metrics): Fix limit test for `aadvance'. Ensure `abearing' always hold a meaningful result. * src/truetype/ttgload.c (load_truetype_glyph): Ensure `subglyph' is not NULL before accessing it. * src/truetype/ttgxvar.c (TT_Set_Named_Instance): Remove unnecessary test of `namedstyle'. * src/type42/t42parse.c (t42_parser_done): Ensure `parser->root.funcs.done' is not NULL before accessing it. 2019-05-03 Alexei Podtelezhnikov <apodtele@gmail.com> Miscellaneous macro updates. * src/base/ftoutln.c (SCALED): Updated. * src/smooth/ftgrays.c (SCALED): Ditto. (FLOOR, ROUND, CEILING): Removed. * src/psaux/psfixed.h (cf2_fracToFixed): Updated. 2019-05-02 Alexei Podtelezhnikov <apodtele@gmail.com> Tweak LCD filtering. * src/base/ftlcdfil.c (ft_lcd_filter_fir, _ft_lcd_filter_legacy): Choose direction from bitmap's pixel_mode. * include/freetype/internal/ftobjs.c (FT_Bitmap_LcdFilterFunc): Updated. * src/smooth/ftsmooth.c (ft_smooth_render_generic): Updated. 2019-05-02 Werner Lemberg <wl@gnu.org> * vms_make.com: Updated (#56253). Remove no longer existing directories (`autohint', `otlayout'). Update used base extensions. Activate `autofit' module. Add `gxvalid' module. Update copyright notices. 2019-04-29 Alexei Podtelezhnikov <apodtele@gmail.com> [smooth] Simplify cubic Bézier flattening. The previous implementation is correct but it is too complex. The revised algorithm is based on the fact that each split moves the control points closer to the trisection points on the chord. The corresponding distances are good surrogates for the curve deviation from the straight line. This cubic flattening algorithm is somewhat similar to the conic algorithm based the distance from the control point to the middle of the chord. The cubic distances, however, decrease less predictably but are easy enough to calculate on each step. The new algorithm produces slightly larger number of splits, which is compensated by its simplicity. The overall rendering performance is improved by 1-2%. The larger number of splits does not necessarily result in higher quality, which stays comparable. * src/smooth/ftgrays.c (gray_render_cubic): Replace the split condition. 2019-04-26 Alexei Podtelezhnikov <apodtele@gmail.com> [smooth] Bithacks and cosmetics. * src/smooth/ftgrays.c (gray_record_cell, gray_set_cell, gray_hline, gray_render_conic, gray_convert_glyph_inner): Updated. 2019-04-25 Alexei Podtelezhnikov <apodtele@gmail.com> Optimize Bézier bisections. This change makes bisections faster by 20-30%. When inlined into `gray_render_cubic', this makes the function faster by 10% and is noticeable in the overall rendering performance. * src/raster/ftraster.c (Split_Conic, Split_Cubic): Use shifts and refactor. * src/smooth/ftgrays.c (gray_split_conic, gray_split_cubic): Ditto. * src/base/ftstroke.c (ft_conic_split, ft_cubic_split): Ditto. * src/base/ftbbox.c (cubic_peak): Use shifts. 2019-04-23 Werner Lemberg <wl@gnu.org> * src/sfnt/ttcmap.c (tt_cmap12_next): Remove dead code. Found by clang 8.0's static analyzer and reported by Sender Ghost <lightside@gmx.com>. 2019-04-23 Werner Lemberg <wl@gnu.org> [base] Fix thinko in previous commit. * src/base/ftbitmap.c (FT_Bitmap_Blend): Check final width, not target pitch. Problem reported by Sender Ghost <lightside@gmx.com>. 2019-04-22 Werner Lemberg <wl@gnu.org> * src/base/ftbitmap.c (FT_Bitmap_Blend): Check target pitch. Problem reported by Sender Ghost <lightside@gmx.com>. 2019-04-22 Werner Lemberg <wl@gnu.org> Fix return value of `FT_Set_Named_Instance' (#56186). * src/truetype/ttgxvar.c (TT_Set_Named_Instance): Correctly handle internal return value -1 of `TT_Set_Var_Design'. 2019-04-18 Werner Lemberg <wl@gnu.org> [pcf] Fix handling of undefined glyph (#56067). This commit fixes the changes from 2018-07-21, which broke charmap iteration. We now add the default character as a new glyph with index 0, thus increasing the number of glyphs by one (as before). * src/pcf/pcfread.c (pcf_get_metrics): Adjust to new artificial glyph with index 0. Limit number of elements to 65534. (pcf_get_bitmaps): Ditto. Unify two loops into one; this avoids allocation of an intermediate array. (pcf_get_encodings): Don't flip indices but copy glyph metrics of default character to index 0. Also handle invalid default character. * docs/CHANGES: Updated. 2019-04-15 Minmin Gong <gongminmin@msn.com> * CMakeLists.txt: Avoid rewriting of unchanged configuration files. Reported as https://savannah.nongnu.org/patch/index.php?9755 2019-04-15 JDG <JonathanG@iQmetrix.com> * src/tools/apinames.c (main): Fix error message. Reported as https://savannah.nongnu.org/patch/?9796 2019-04-11 Alexei Podtelezhnikov <apodtele@gmail.com> [smooth] Fix segfault in direct mode (#56092). * src/base/ftoutln.c (FT_Outline_Render): Set missing clip_box for direct mode. * src/smooth/ftgrays.c (gray_raster_render): Use it. 2019-04-06 Werner Lemberg <wl@gnu.org> * src/sfnt/ttcmap.c (tt_get_glyph_name): Pacify compiler (#56061). This is for Visual Studio 2019 on ARM. 2019-04-06 Werner Lemberg <wl@gnu.org> For distribution, replace `.tar.bz2' with `.tar.xz' bundles. * builds/toplevel.mk (build): Do it. * README, docs/CHANGES, docs/release: Updated. 2019-04-06 Antony Lee <anntzer.lee@gmail.com> Make `glyph_name' parameter to `FT_Get_Name_Index' a `const'. * include/freetype/freetype.h (FT_Get_Name_Index), include/freetype/internal/ftobjs.h (FT_Face_GetGlyphNameIndexFunc), include/freetype/internal/services/svgldict.h (FT_GlyphDict_NameIndexFunc), src/base/ftobjs.c (FT_Get_Name_Index), src/cff/cffdrivr.c (cff_get_name_index), src/sfnt/sfdriver.c (sfnt_get_name_index), src/type1/t1driver.c (t1_get_name_index), src/type42/t42drivr.c (t42_get_name_index): Add `const' to second argument. 2019-03-31 Armin Hasitzka <prince.cherusker@gmail.com> [cff] Fix boundary checks. 642bc7590c701c8cd35a9f60fa899cfa518b17ff introduced dynamically allocated memory when parsing CFF files with the "old" engine. Bounds checks have never been updated, however, leading to pointless comparisons of pointers in some cases. This commit presents a solution for bounds checks in the CFF module with an extended logic for the "old" engine while staying as concise as possible for the "new" one. * src/cff/cffparse.h: Introduce the struct `CFF_T2_StringRec' and the additional field `t2_strings' within `CFF_ParserRec'. * src/cff/cffparse.c (cff_parser_within_limits): Move all boundary checks into this new function and update the rest of `cffparse.c' to use it. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12137 2019-03-20 Werner Lemberg <wl@gnu.org> [autofit] Fix Mongolian blue zone characters. * src/autofit/afblue.dat: Use U+200D (ZERO-WIDTH JOINER) characters to get medial forms for some Mongolian characters. * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. 2019-03-19 Werner Lemberg <wl@gnu.org> [autofit] Add support for Mongolian script. As a de-facto standard, layouts using this script are constructed horizontally line by line, then the lines are rotated clockwise for vertical display. * src/autofit/afblue.dat: Add blue zone data for Mongolian. * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. * src/autofit/afscript.h: Add Mongolian standard characters. * src/autofit/afranges.c, src/autofit/afstyles.h: Add Mongolian data. 2019-03-15 Werner Lemberg <wl@gnu.org> * Version 2.10.0 released. ========================== Tag sources with `VER-2-10-0'. * docs/VERSION.TXT: Add entry for version 2.10.0. * docs/CHANGES: Updated. * README, Jamfile (RefDoc), src/base/ftver.rc, builds/windows/vc2010/freetype.vcxproj, builds/windows/vc2010/index.html, builds/windows/visualc/freetype.dsp, builds/windows/visualc/freetype.vcproj, builds/windows/visualc/index.html, builds/windows/visualce/freetype.dsp, builds/windows/visualce/freetype.vcproj, builds/windows/visualce/index.html, builds/wince/vc2005-ce/freetype.vcproj, builds/wince/vc2005-ce/index.html, builds/wince/vc2008-ce/freetype.vcproj, builds/wince/vc2008-ce/index.html: s/2.9.1/2.10.0/, s/291/2100/. * include/freetype/freetype.h (FREETYPE_MINOR): Set to 10. (FREETYPE_PATCH): Set to 0. * builds/unix/configure.raw (version_info): Set to 23:0:17. * CMakeLists.txt (VERSION_MINOR): Set to 10. (VERSION_PATCH): Set to 0. * builds/toplevel.mk (version, winversion): Since the minor version number has two digits now, never omit the patch number. We would get ambiguous zip file names otherwise. (dist): Remove remnants of `docmaker' tool. (do-dist): Remove unused intermediate files. * src/cff/cffparse.c (destrict_c2s_item): Guard function with CFF_CONFIG_OPTION_OLD_ENGINE macro. 2019-03-07 Andrei Alexeyev <0x416b617269@gmail.com> Werner Lemberg <wl@gnu.org> Fix invalid function pointer casts. This change should allow Freetype to work on WASM/Emscripten without needing `-s EMULATE_FUNCTION_POINTER_CASTS=1'. * src/autofit/afdummy.c (af_dummy_hints_apply): Fix signature. * src/cid/cidload.c (cid_parse_font_matrix, parse_fd_array, parse_expansion_factor, parse_font_name): Return `void', not `FT_Error'. * include/freetype/internal/ftobjs.h (FT_CMap_CharVarIsDefaultFunc): Fix signature. 2019-03-05 Werner Lemberg <wl@gnu.org> [base] Handle numeric overflow (#55827). * src/base/ftglyph.c (FT_Glyph_Get_CBox): Use `FT_PIX_CEIL_LONG'. 2019-03-05 Sebastian Rasmussen <sebras@gmail.com> [psaux] Fix use of uninitialized memory (#55832). * src/psaux/psintrp.c (cf2_interpT2CharString): The call to `cf2_arrstack_setCount' may fail because the allocator ran out of memory. When this happens the stack is still written to before the error condition is checked. This means that FreeType writes outside of allocated memory. This commit moves the error check prior to the stack assignment, hence the function now properly returns with an error condition. 2019-02-23 Werner Lemberg <wl@gnu.org> * src/base/ftbitmap.c (FT_Bitmap_Blend): No fractional offsets. The function only provided a framework without an actual implementation, which this commit removes. 2019-02-23 Werner Lemberg <wl@gnu.org> * src/tools/update-copyright-year: Insert `(C)'. 2019-02-21 Armin Hasitzka <prince.cherusker@gmail.com> [truetype] Mask numeric overflows. * src/truetype/ttinterp.c (Move_CVT, Move_CVT_Stretched, Ins_MIRP): Mask numeric overflows. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11681 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11734 2019-02-21 Armin Hasitzka <prince.cherusker@gmail.com> [psaux] Mask numeric overflow. * src/psaux/cffdecode.c (cff_decoder_parse_charstrings): Mask numeric overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13041 2019-02-16 Wink Saville <wink@saville.com> * src/autofit/afwarp.h (af_warper_compute): Fix declaration. 2019-02-02 Nikolaus Waxweiler <madigens@gmail.com> [truetype] Apply MVAR hasc, hdsc and hlgp metrics to current FT_Face metrics. Instead of setting typo or win metrics as the new `FT_Face' metrics indiscriminately, apply only typo deltas to the currently active `FT_Face' metrics. This prevents line height differences when the default outlines were used as the regular face and instances for everything else, for example. * src/truetype/ttgxvar.c (tt_apply_mvar): Implement. 2019-02-02 Nikolaus Waxweiler <madigens@gmail.com> [sfnt] Use typo metrics if OS/2 fsSelection USE_TYPO_METRICS bit is set. If the `OS/2' table exists and `fsSelection' bit 7 (USE_TYPO_METRICS) is set, use the `sTypo*' set of values to compute the `FT_Face's ascender, descender, and height. Otherwise, fall back to old behavior. * src/sfnt/sfobjs.c (sfnt_load_face): Implement. 2019-01-18 John Tytgat <John.Tytgat@esko.com> [sfnt] Handle TT fonts having two PostScript font names (#55471). * src/sfnt/sfdriver.c (sfnt_get_name_id): Prefer English over any other language found for PostScript font names. 2019-01-08 Chris Liddell <chris.liddell@artifex.com> [psaux] Fix closepath (#55414). All of the Type 1 path building is done with code common to the revised CFF engine, with the exception of closepath, which was still calling ps_builder_close_contour(), thus previously cached segments were not always written to the path, and glyph corruption, or even invalid outlines were possible. * src/psauc/psinterp.c (cf2_interpT2CharString) <cf2_cmdCLOSEPATH>: Switch to calling `cf2_glyphpath_closeOpenPath'. 2018-12-29 Werner Lemberg <wl@gnu.org> * src/autofit/aflatin2.c: Some fixes from `aflatin.c' (#55310). 2018-12-25 Werner Lemberg <wl@gnu.org> * src/psaux/cffdecode.c (cff_operaor_seac): Fix numeric overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11915 2018-12-12 Werner Lemberg <wl@gnu.org> [gxvalid] Fix compiler warnings. * src/gxvalid/gxvjust.c (gxv_just_check_max_gid), src/gxvalid/gxvmort.c (gxv_mort_coverage_validate): Use `FT_UNUSED'. 2018-12-11 Werner Lemberg <wl@gnu.org> * src/truetype/ttgload.c (TT_Hint_Glyph): Remove useless test. `control_len' only gets its value from `n_ins' (and vice versa), which is always read as `unsigned short' and thus can't be larger than 0xFFFF. 2018-12-04 Werner Lemberg <wl@gnu.org> [bdf] Ignore data after `ENDFONT'. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10798 * src/bdf/bdflib.c (_bdf_parse_end): New function. (_bdf_parse_glyphs): Switch to `_bdf_parse_end' after `ENDFONT' has been encountered. 2018-12-02 Alexei Podtelezhnikov <apodtele@gmail.com> * builds/windows/visualc/freetype.dsp: Dust off. 2018-11-27 Alexei Podtelezhnikov <apodtele@gmail.com> * builds/windows/vc2010/freetype.vcxproj: Simplify. 2018-11-27 Chris Liddell <chris.liddell@artifex.com> [type1,cff] Add FT_{Set,Get}_MM_WeightVector API calls. For multiple master fonts, common usage (in Postscript) is to modify the WeightVector of an existing font instance, this addition supports that use. * include/freetype/ftmm.h, src/base/ftmm.c (FT_Set_MM_WeightVector, FT_Get_MM_WeightVector): New API functions. * include/freetype/internalservices/svmm.h (FT_Set_MM_WeightVector_Func, FT_Get_MM_WeightVector_Func): New function types. (MultiMasters): Add `set_mm_weightvector' and `get_mm_weightvector' members. (FT_DEFINE_SERVICE_MULTIMASTERSREC): Updated. * src/cffcffdrivr.c (cff_set_mm_weightvector, cff_get_mm_weightvector): New functions. (cff_service_multi_masters): Register them. * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Updated. This driver doesn't use the new interface. * src/type1/t1load.c (T1_Set_MM_WeightVector, T1_Get_MM_WeightVector): New functions. * src/type1/t1driver.c (t1_service_multi_masters): Register them. * src/type1/t1load.h: Updated. 2018-11-27 Ben Wagner <bungeman@google.com> [cff] Fix compiler warning (#55105). * src/cff/cffparse.c (cff_parser_run): Guard label only used if CFF_CONFIG_OPTION_OLD_ENGINE is active. 2018-11-27 Ben Wagner <bungeman@google.com> [truetype] Fix numeric overflow (#55103). * src/truetype/ttgload.c (compute_glyph_metrics): Use `SUB_LONG'. 2018-11-25 Alexei Podtelezhnikov <apodtele@gmail.com> [builds] Belated DLL support with vc2002-vc2008. The solution and project files should be automatically upgraded for the approriate Visual C++ version. * builds/windows/visualc/freetype.{sln,vcproj}: Major upgrades. * builds/windows/visualc/index.html: Document the change. * builds/windows/vc2005, builds/windows/vc2008: Removed as redundant. 2018-11-22 Armin Hasitzka <prince.cherusker@gmail.com> * src/cff/cffparse.c: Please the compiler. 2018-11-22 Armin Hasitzka <prince.cherusker@gmail.com> [cff] Fix memory overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9869 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10869 * src/cff/cffparse.c (destruct_t2s_item, cff_parser_run): Store evaluated T2 charstrings in separately allocated memory. 2018-11-18 Alexei Podtelezhnikov <apodtele@gmail.com> * builds/windows/{visualc,vc2005,vc2008}/freetype.vcproj: Fix it. 2018-11-10 Alexei Podtelezhnikov <apodtele@gmail.com> [smooth] Placeholder only for library-enabled LCD filtering. * src/smooth/ftsmooth.c (ft_smooth_init): Add disabled `FT_Library_SetLcdFilter' call. 2018-11-09 Young Xiao <yangx92@hotmail.com> [psaux] Add safety guard (#54985). * src/psaux/psobjs.c (cff_builder_close_contour): Do it. 2018-11-08 Alexei Podtelezhnikov <apodtele@gmail.com> * builds/unix/configure.raw: Require `windows.h' for windres. 2018-11-08 Alexei Podtelezhnikov <apodtele@gmail.com> [ftstroke] Fix unpredictable failures (#54986). * src/base/ftstroke.c (ft_sroke_border_lineto): Fix lineto check. 2018-11-08 Alexei Podtelezhnikov <apodtele@gmail.com> [ftstroke] Fix unpredictable failures (#54976). * src/base/ftstroke.c (ft_sroke_border_close): Set the start tags. 2018-11-07 Ben Wagner <bungeman@google.com> [truetype] Fix VF check from 2018-09-12 (#54973). * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Use correct offsets for estimates. 2018-11-06 Werner Lemberg <wl@gnu.org> [pshinter] Fix numeric overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11242 * src/pshinter/pshrec.c (ps_dimension_add_t1stem): Implement it. 2018-11-06 Werner Lemberg <wl@gnu.org> [psaux] Fix timeout in old CFF engine. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11260 * src/psaux/cffdecode.c (cff_decoder_parse_charstrings) <cff_op_sqrt> [CFF_CONFIG_OPTION_OLD_ENGINE]: Fix potential endless loop. 2018-11-04 Alexei Podtelezhnikov <apodtele@gmail.com> * src/truetype/ttgxvar.c: Use enum definitions. 2018-11-03 Alexei Podtelezhnikov <apodtele@gmail.com> * src/truetype/ttgxvar.c (ft_var_apply_tuple): Adjust condition. 2018-11-03 Alexei Podtelezhnikov <apodtele@gmail.com> * src/truetype/ttgxvar.c (ft_var_apply_tuple): Tracing tweaks. 2018-11-03 Alexei Podtelezhnikov <apodtele@gmail.com> Revert due to specs: [truetype] Speed up variation IUP. 2018-11-02 Alexei Podtelezhnikov <apodtele@gmail.com> * src/truetype/ttgxvar.c (ft_var_get_item_delta): Fixed logic. Reported and tested by Behdad. 2018-11-02 Shailesh Mistry <shailesh.mistry@hotmail.co.uk> [autofit] Prevent SEGV. See https://bugs.ghostscript.com/show_bug.cgi?id=697545 for more details on how the bug was found. * src/autofit/afloader.c (af_loader_load_glyph): Propagate error code. 2018-10-31 Alexei Podtelezhnikov <apodtele@gmail.com> [truetype] Speed up variation IUP. * src/truetype/ttgxvar.c (tt_delta_interpolate): Separate trivial snapping to the same position from true interpolation. 2018-10-31 Alexei Podtelezhnikov <apodtele@gmail.com> * src/type1/t1load.c (t1_set_mm_blend): Optimized. 2018-10-31 Alexei Podtelezhnikov <apodtele@gmail.com> * src/truetype/ttgxvar.c (ft_var_get_item_delta): Optimized. 2018-10-29 Werner Lemberg <wl@gnu.org> [base] Fix numeric overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11080 * src/base/ftoutln.c (FT_Outline_Get_Orientation): Use `MUL_LONG'. 2018-10-29 Werner Lemberg <wl@gnu.org> [cff] Fix numeric overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10988 * src/cff/cffparse.c (cff_parser_run) [CFF_CONFIG_OPTION_OLD_ENGINE]: Use `NEG_LONG'. 2018-10-27 Alexei Podtelezhnikov <apodtele@gmail.com> [sfnt] Make `head' timestamps unsigned. It's been more than 2^31 seconds since 1904. * include/freetype/tttables.h (TT_Header): Change field types. * src/sfnt/ttload.c (tt_face_load_generic_header): Updated. 2018-10-27 Alexei Podtelezhnikov <apodtele@gmail.com> Revert: Align FreeType with standard C memory management. 2018-10-27 Werner Lemberg <wl@gnu.org> [psaux] Fix numeric overflow. Triggered by https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11157 * src/psaux/cffdecode.c (cff_decoder_parse_charstrings) <cff_op_blend> [CFF_CONFIG_OPTION_OLD_ENGINE]: Fix integer overflow. 2018-10-20 Werner Lemberg <wl@gnu.org> Avoid endless loop while tracing (#54858). * src/type1/t1load.c (parse_buildchar): Guard tracing stuff with FT_DEBUG_LEVEL_TRACE. 2018-10-17 David Demelier <markand@malikania.fr> * CMakeLists.txt: Specify `RUNTIME DESTINATION'. This is needed for DLL builds. 2018-10-07 Werner Lemberg <wl@gnu.org> A missing Unicode cmap is not a fatal error. This is a follow-up to the previous commit. * src/cff/cffobjs.c (cff_face_init), src/sfnt/sfobjs.c (sfnt_load_face), src/type1/t1objs.c (T1_Face_Init), src/type42/t42objs.c (T42_Face_Init): Implement it. 2018-10-07 Werner Lemberg <wl@gnu.org> Fix handling of FT_CONFIG_OPTION_ADOBE_GLYPH_LIST (#54794). * src/cff/cffcmap.c (cff_cmap_unicode_init), src/psaux/t1cmap.c (t1_cmap_unicode_init), src/sfnt/ttcmap.c (tt_cmap_unicode_init): Check `unicodes_init' field. 2018-10-03 Werner Lemberg <wl@gnu.org> [ftgrays] Fix typo in stand-alone mode (#54771). * src/smooth/ftgrays.c (FT_THROW) [STANDALONE_ && FT_DEBUG_LEVEL_TRACE]: Fix call to `FT_ERR_CAT'. 2018-10-02 Werner Lemberg <wl@gnu.org> [psaux] Fix segfault. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10768 * src/psaux/cffdecode.c (cff_decoder_parse_charstrings) <cff_op_callothersubr> [CFF_CONFIG_OPTION_OLD_ENGINE]: Check argument. 2018-10-02 Werner Lemberg <wl@gnu.org> [psaux] Fix numeric overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10740 * src/psaux/cffdecode.c (cff_decoder_parse_charstrings) <cff_op_roll> [CFF_CONFIG_OPTION_OLD_ENGINE]: Use NEG_INT. 2018-10-02 Werner Lemberg <wl@gnu.org> [pshinter] Handle numeric overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10550 * src/pshinter/pshglob.c (psh_blues_snap_stem): Mask numeric overflow. 2018-09-27 Alexei Podtelezhnikov <apodtele@gmail.com> Align FreeType with standard C memory management. * include/freetype/ftsystem.h: Include FT_TYPES_H. (*FT_Alloc_Func, *FT_Realloc_Func): Use size_t for the size arguments. * src/raster/ftmisc.h: Ditto. * builds/amiga/src/base/ftsystem.c, builds/unix/ftsystem.c, * builds/vms/ftsystem.c, src/base/ftsystem.c (ft_alloc, ft_realloc): Use size_t for the size arguments. * src/base/ftdbgmem.c (ft_mem_debug_alloc, ft_mem_debug_realloc): Use FT_Offset, aka size_t, for the size arguments. 2018-09-25 Werner Lemberg <wl@gnu.org> Fix handling of `FT_Bool'. Before this commit we had code like (FT_Bool)( globals->glyph_styles[gindex] & 0x8000) Since `FT_Bool' is defined to be an `unsigned char', the code evaluated to something like (unsigned char)( 0x8532 & 0x8000) which in turn expanded to (unsigned char)( 0x8000) and finally yielded 0x00 – i.e., false – not as expected. Problem reported and analyzed by Tony Smith <tony.smith@macro4.com>. * include/freetype/fttypes.h (FT_BOOL): Add a comparison against zero so that we always have a Boolean expression. */*: Replace castings to `FT_Bool' with calls to `FT_BOOL' where possible. 2018-09-23 Alexei Podtelezhnikov <apodtele@gmail.com> [bdf] Speed up charmap access. This makes FT_Get_Char_Index and FT_Get_Next_Char 4-5 times faster. * src/bdf/bdfdrivr.c (bdf_cmap_char_{index,next}): Help binary search with continuous prediction. 2018-09-22 Alexei Podtelezhnikov <apodtele@gmail.com> * src/base/ftobjs.c (ft_glyphslot_preset_bimap): Another tweak. This one should be clearer. When the rounded monochrome bbox collapses we add a pixel that covers most if not all original cbox. 2018-09-21 Alexei Podtelezhnikov <apodtele@gmail.com> * src/base/ftobjs.c (ft_glyphslot_preset_bimap): Further tweak. 2018-09-21 Ben Wagner <bungeman@google.com> Improve auto-hinter handling of bitmap fonts (#54681). For bitmap fonts, `FT_Load_Glyph' should either return an error or not set the format to `FT_GLYPH_FORMAT_OUTLINE'. However, in this case `FT_Load_Glyph' calls into the auto-hinter which calls back into `FT_Load_Glyph' with `FT_LOAD_NO_SCALE' in the flags, which marks the glyph as `FT_GLYPH_FORMAT_OUTLINE' with an empty path (even though it doesn't have any path). It appears that the auto-hinter should not be called when the face doesn't have outlines. The current test for using the auto-hinter in `FT_Load_Glyph' checks whether the driver supports scalable outlines, but not if the face supports scalable outlines. * src/base/ftobjs.c (FT_Load_Glyph): Directly check whether we have scalable outlines. 2018-09-21 Werner Lemberg <wl@gnu.org> [raster] Fix disappearing vertical lines (#54589). * src/raster/ftraster.c (Vertical_Sweep_Span): Handle special case where both left and right outline exactly pass pixel centers. 2018-09-20 Alexei Podtelezhnikov <apodtele@gmail.com> * src/base/ftobjs.c (ft_glyphslot_preset_bimap): Tiny rounding tweak. This adds pixels in case a contour goes through the center and they need to be turned on in the b/w rasterizer. 2018-09-20 Alexei Podtelezhnikov <apodtele@gmail.com> [pcf] Replace charmap implementation. PCF comes with charmap lookup table, aka PCF encodings. Using it directly makes FT_Get_Char_Index and FT_Get_Next_Char 4-5 times faster than the original BDF-like binary searches. * src/pcf/pcf.h (PCF_EncodingRec): Removed. (PCF_FaceRec): Remove `nencodings' and `encodings'. * src/pcf/pcfdrivr.c (pcf_cmap_char_{index,next}): Replaced. * src/pcf/pcfread.c (pcf_get_encodings): Store data differently. 2018-09-20 Werner Lemberg <wl@gnu.org> [base] Remove unused function `FT_GlyphLoader_CopyPoints'. * include/freetype/internal/ftgloadr.h, src/base/ftgloadr.c (FT_GlyphLoader_CopyPoints): Do it. 2018-09-19 Alexei Podtelezhnikov <apodtele@gmail.com> [pcf] Prepare to replace charmap implementation. * src/pcf/pcf.h (PCF_FaceRec): Updated to include... (PCF_EncRec): ... this new structure to store charmap geometry. * src/pcf/pcfread.c (pcf_get_encodings): Store charmap geometry. 2018-09-18 Alexei Podtelezhnikov <apodtele@gmail.com> Remove unused fields. * src/pcf.h (PCF_FaceRec): Remove `charmap' and `charmap_handle'. * src/bdfdrvr.h (BDF_FaceRec): Ditto. * src/winfonts/winfnt.h (FNT_FaceRec): Ditto. 2018-09-17 Werner Lemberg <wl@gnu.org> [pshinter] Handle numeric overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10396 * src/pshinter/pshglob.c: Include FT_INTERNAL_CALC_H. (psh_blues_snap_stem): Mask numeric overflow. 2018-09-13 Werner Lemberg <wl@gnu.org> [truetype] Some fixes for VF checks. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10317 * src/truetype/ttgxvar.c (ft_var_load_gvar): Properly exit memory frame if we have invalid glyph variation data offsets. (tt_face_vary_cvt): Protect against missing `tuplecoords' array. Fix typo. 2018-09-13 Werner Lemberg <wl@gnu.org> * src/sfnt/sfdriver.c (sfnt_get_var_ps_name): Fix last commit. 2018-09-13 Werner Lemberg <wl@gnu.org> * src/sfnt/sfdriver.c (sfnt_get_var_ps_name): Check `result'. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10316 2018-09-12 John Tytgat <John.Tytgat@esko.com> [sfnt] Better PS name handling (#54629). * src/sfnt/sfdriver (IS_WIN, IS_APPLE): Omit language ID checks. (get_win_string, get_apple_string): Return NULL when the PostScript font name characters is not according to specification. (get_win_string): Make trace output work if the high byte if non-zero. (sfnt_get_var_ps_name, sfnt_get_ps_name): Previously we preferred Win PS name (when there is also an Apple PS name); change this into a fallback to Apple PS name in case the Win PS name is invalid. 2018-09-12 Werner Lemberg <wl@gnu.org> [truetype] Improve VF check. Triggered by https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10255 * src/truetype/ttgxvar.c (ft_var_load_gvar): Use better limit check for `tupleCount'. 2018-09-12 Werner Lemberg <wl@gnu.org> * src/truetype/ttgxvar.c (ft_var_load_gvar): Check `glyphoffsets'. 2018-09-10 Armin Hasitzka <prince.cherusker@gmail.com> * src/pshinter/pshrec.c (t2_hints_stems): Mask numeric overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10215 2018-09-09 Ben Wagner <bungeman@google.com> * builds/freetype.mk (refdoc-venv): Ensure python version (#54631). 2018-09-07 Werner Lemberg <wl@gnu.org> [truetype] Fix assertion failure. Triggered by https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10212 * src/truetype/ttgload.c (load_truetype_glyph): Reintroduce `opened_frame' (removed in a change from 2018-08-26) to handle deallocation of the second frame. 2018-09-05 Werner Lemberg <wl@gnu.org> Synchronize `ftdebug.c' files. * builds/amiga/src/base/ftdebug.c, builds/wince/ftdebug.c, builds/windows/ftdebug.c: Synchronize with `src/base/ftdebug.c'. 2018-09-05 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> Add documentation guidelines file. * docs/DOCGUIDE: New file. 2018-09-04 Werner Lemberg <wl@gnu.org> * devel/ftoption.h: Synchronize with master `ftoption.h'. 2018-09-03 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [docwriter] Don't break code snippets accross lines. Reported as https://lists.nongnu.org/archive/html/freetype-devel/2018-08/msg00124.html * docs/reference/markdown/stylesheets/extra.css (.md-typeset code): Add rule `white-space'. 2018-09-03 Werner Lemberg <wl@gnu.org> */*: s/PSNames/psnames/. Only tracing messages are affected. 2018-09-03 Werner Lemberg <wl@gnu.org> [sfnt] Fix heap buffer overflow in CPAL handling. * src/sfnt/ttcpal.c (tt_face_palette_set): Fix boundary test. (tt_face_load_cpal): Updated. 2018-09-01 Werner Lemberg <wl@gnu.org> Remove `FT_Outline_{New,Done}_Internal'. These public API functions(!) were always undocumented and have escaped all clean-up efforts until now. * include/freetype/ftoutln.h (FT_Outline_New_Internal, FT_Outline_Done_Internal): Removed. * src/base/ftoutln.h (FT_Outline_New_Internal, FT_Outline_Done_Internal): Merge into... (FT_Outline_New, FT_Outline_Done): ... these functions. * docs/README: Updated. 2018-08-30 Alexei Podtelezhnikov <apodtele@gmail.com> * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Check glyph format. 2018-08-31 Armin Hasitzka <prince.cherusker@gmail.com> [errors] Refine the macro logic surrounding `FT_Error_String'. * include/freetype/fterrors.h (FT_INCLUDE_ERR_PROTOS, FT_ERR_PROTOS_DEFINED): Undefine `FT_INCLUDE_ERR_PROTOS' after checking it and introduce a new macro that takes proper care of multiple-inclusion protection. 2018-08-31 Werner Lemberg <wl@gnu.org> * src/base/ftdebug.c (FT_Throw): Restore missing `FT_UNUSED' calls. 2018-08-31 Werner Lemberg <wl@gnu.org> * src/base/ftdebug.c (FT_Throw): Reduce chattiness. 2018-08-31 Werner Lemberg <wl@gnu.org> * src/autofit/afhints.c (af_glyph_hints_reload): Add initialization. 2018-08-30 Alexei Podtelezhnikov <apodtele@gmail.com> Consolidate bitmap presetting and size assessment. * include/freetype/internal/ftobjs.h (ft_glyphslot_preset_bitmap): Change return type. * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Return the bitmap size assessment. * src/raster/ftrend1.c (ft_raster1_render): Use it to refuse the rendering of enourmous or far-fetched outlines. * src/smooth/ftsmooth.c (ft_smooth_render_generic): Ditto. 2018-08-30 Alexei Podtelezhnikov <apodtele@gmail.com> * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Correct mono. 2018-08-30 Armin Hasitzka <prince.cherusker@gmail.com> [errors] Introduce a macro to control `FT_Error_String'. * devel/ftoption.h (FT_CONFIG_OPTION_ERROR_STRINGS), include/freetype/config/ftoption.h (FT_CONFIG_OPTION_ERROR_STRINGS): New macro. 2018-08-30 Armin Hasitzka <prince.cherusker@gmail.com> [errors] Introduce `FT_Error_String'. * include/freetype/fterrors.h (FT_Error_String), src/base/fterrors.c (FT_Error_String): Implement `FT_Error_String'. * src/base/ftbase.c, src/base/Jamfile (_source), src/base/rules.mk (BASE_SRC): Add `fterrors.c' to the build logic. * src/base/ftdebug.c (FT_Throw): Use `FT_Error_String'. 2018-08-30 Werner Lemberg <wl@gnu.org> [autofit] Trace `before' and `after' edges of strong points. * src/autofit/afhints.h (AF_PointRec) [FT_DEBUG_AUTOFIT]: New arrays `before' and `after'. * src/autofit/afhints.c (af_get_strong_edge_index): New auxiliary function. (af_glyph_hints_dump_points): Trace `before' and `after' edges. (af_glyph_hints_align_strong_points) [FT_DEBUG_AUTOFIT]: Set `before' and `after' information. 2018-08-30 Alexei Podtelezhnikov <apodtele@gmail.com> [base] Overflow-resistant bitmap presetting. * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Implement it. 2018-08-29 Armin Hasitzka <prince.cherusker@gmail.com> Fix numeric overflows. * src/pshint/pshalgo.c (psh_hint_align, psh_hint_align_light, psh_hint_table_find_strong_points): Fix numeric overflows. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10083 2018-08-29 Werner Lemberg <wl@gnu.org> [cff] Fix handling of `roll' op in old engine. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10080 * src/psaux/cffdecode.c (cff_decoder_parse_charstrings) <cff_op_roll> [CFF_CONFIG_OPTION_OLD_ENGINE]: Use modulo for loop count, as documented in the specification. 2018-08-26 Werner Lemberg <wl@gnu.org> * src/truetype/ttobjs.c (tt_size_read_bytecode): Trace CVT values. 2018-08-26 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> * configure: Copy assets required by docwriter. Copy directory `docs/reference/markdown' when FreeType is compiled in a different directory. Fixes `make refdoc' if builddir != srcdir. Reported as https://lists.nongnu.org/archive/html/freetype-devel/2018-08/msg00083.html 2018-08-26 Werner Lemberg <wl@gnu.org> * src/pshint/pshalgo.c (psh_hint_overlap): Fix numeric overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10057 2018-08-26 Werner Lemberg <wl@gnu.org> Minor tracing adjustments. * src/base/ftstream.c (FT_Stream_EnterFrame, FT_Stream_ExitFrame): Trace. * src/truetype/ttgload.c (TT_Access_Glyph_Frame): Remove tracing. 2018-08-26 Werner Lemberg <wl@gnu.org> [truetype] Avoid nested frames. Triggered by https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10054 * src/truetype/ttgload.c (load_truetype_glyph): Don't use variable `opened_frame' to trace whether a frame must be closed at the end of function: This fails because `TT_Vary_Apply_Glyph_Deltas' (which gets called for space glyphs) uses a frame by itself. Instead, close the frame after loading the header, then use another frame for the remaining part of the glyph later on. Also avoid calling `tt_get_metrics' twice under some circumstances. 2018-08-26 Werner Lemberg <wl@gnu.org> Various minor clean-ups. * src/base/ftapi.c: Remove. Unused. * src/base/Jamfile (_sources): Updated. * src/base/ftstream.c (FT_Stream_ReleaseFrame): Remove redundant code. 2018-08-25 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> Convert documentation markup to Markdown. It is the result of a GSoC 2018 project; this separate ChangeLog commit covers the last four commits ae5d1a4cec37557f31aec270332cfe886a62f9a0 53c69ce04faed3dcc68ca0f54cb8d703d8babf69 195728d5ba38f34fb2c2c20807c01656f2f59b66 c962db28ea59225f0105c03d907d4a9b71765687 * docs/reference/markdown/images/favico.ico, docs/reference/markdown/javascripts/extra.js, docs/reference/markdown/stylesheets/extra.css: New files. * docs/reference/.gitignore, docs/reference/README: Updated. * src/tools/docmaker/*: Removed. It has been replaced with `docwriter', a python package available at https://pypi.org/project/docwriter/ * Jamfile: Updated. * builds/ansi/ansi-def.mk, builds/beos/beos-def.mk, builds/dos/dos-def.mk, builds/os2/os2-def.mk (BIN), builds/unix/unixddef.mk, builds/windows/win32-def.mk: New variable. * builds/unix/configure.raw: Check for `python' and `pip'. If not present, warn that `make refdoc' will fail. * builds/unix/unix-def.in (PYTHON, PIP, BIN): New variables. * builds/freetype.mk (PYTHON, PIP, VENV_NAME, VENV_DIR, ENV_PYTHON, ENV_PIP): New variables. (refdoc): Updated. (refdoc-venv): New target. (.PHONY): Updated. 2018-08-23 Werner Lemberg <wl@gnu.org> Add macros for handling over-/underflowing `FT_Int64' values. * include/freetype/internal/ftcalc.h (ADD_INT64, SUB_INT64, MUL_INT64, DIV_INT64) [FT_LONG64]: New macros. * src/base/ftcalc.c (ft_corner_orientation) [FT_LONG64]: Use `SUB_INT64' and `MUL_INT64'. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10028 2018-08-22 Werner Lemberg <wl@gnu.org> [truetype] Improve legibility of `glyf' parsing. * src/truetype/ttgload.c (ON_CURVE_POINT, X_SHORT_VECTOR, Y_SHORT_VECTOR, REPEAT_FLAG, X_POSITIVE, SAME_X, Y_POSITIVE, SAME_Y, OVERLAP_SIMPLE): New macros. (TT_Load_Simple_Glyph): Use new macros to make code more readable. Remove useless adjustment of `outline->tags' elements. 2018-08-21 Werner Lemberg <wl@gnu.org> * src/sfnt/ttcpal.c (tt_face_load_cpal): Add missing safety check. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9981 2018-08-18 Werner Lemberg <wl@gnu.org> [psaux] Avoid slow PS font parsing in case of error. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9955 * src/psaux/psobjs.c (ps_parser_to_bytes): Set `parser->cursor' even in case of error to avoid potential re-scanning. 2018-08-18 Werner Lemberg <wl@gnu.org> [cff] Fix heap buffer overflow in old engine. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9967 * src/psaux/cffdecode.c (cff_decoder_parse_charstrings) <cff_op_blend> [CFF_CONFIG_OPTION_OLD_ENGINE]: `num_designs' must be non-zero. 2018-08-16 Young Xiao <yangx92@hotmail.com> * builds/mac/ftmac.c (parse_fond): Fix buffer overrun. Reported as bug #54515, duplicate of #43540. 2018-08-16 Werner Lemberg <wl@gnu.org> * builds/*/ftsystem.c (FT_COMPONENT): Updated also. 2018-08-15 Alexei Podtelezhnikov <apodtele@gmail.com> [bdf] Don't track duplicate encodings. There is no harm except some umbiguity in broken fonts with duplicate encodings. * src/bdf/bdflib.c (_bdf_parse_glyphs): Remove duplicate tracking. (_bdf_parse_t): Remove large `have' bitfield. 2018-08-15 Werner Lemberg <wl@gnu.org> Don't use `trace_' prefix for FT_COMPONENT arguments. * include/freetype/internal/ftdebug.h (FT_TRACE_COMP, FT_TRACE_COMP_): New auxiliary macros to add `trace_' prefix. (FT_TRACE): Use `FT_TRACE_COMP'. */* (FT_COMPONENT): Updated. 2018-08-14 Werner Lemberg <wl@gnu.org> Use formatting string in FT_TRACEX calls for non-simple arguments. * src/psaux/cffdecode.c (cff_decoder_parse_charstrings) <cff_op_hstem, cff_op_hintmask, cff_op_hlineto, cff_op_vhcurveto>: Do it. * src/psaux/pshints.c (cf2_hintmap_build): Ditto. * src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_cmdHSTEM, cf2_cmdVSTEM, cf2_cmdHLINETO, cf2_cmdRRCURVETO, cf2_cmdCALLSUBR, cf2_escHSTEM3, cf2_cmdHINTMASK, cf2_cmdHVCURVETO>: Ditto. * src/truetype/ttinterp.c (TT_RunIns): Ditto. 2018-08-14 Alexei Podtelezhnikov <apodtele@gmail.com> [bdf] Remove unused fields. * src/bdf/bdf.h (bdf_font_t): Remove `nmod', `umod', and `modified', which were set but never used. * src/bdf/bdflib.c (_bdf_parse_{glyphs,properties}, bdf_load_font): Updated accordingly. 2018-08-14 Werner Lemberg <wl@gnu.org> [cff] Fix another segv in old engine. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9872 * src/psaux/cffdecode.c (cff_decoder_parse_charstrings) [CFF_CONFIG_OPTION_OLD_ENGINE]: Disallow invalid T1 opcodes in dictionaries. 2018-08-14 Werner Lemberg <wl@gnu.org> [cff] Fix missing error handling. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9865 * src/psaux/cffparse.c (cff_parser_run) [CFF_CONFIG_OPTION_OLD_ENGINE]: Don't ignore return value of `parse_charstrings_old'. 2018-08-14 Alexei Podtelezhnikov <apodtele@gmail.com> [bdf] Remove unused overflow storage. * src/bdf/bdf.h (bdf_glyphlist_t): Remove this type. (bdf_font_t): Remove `overflow' field. * src/bdf/bdflib.c (bdf_free_font): Remove `overflow' freeing. 2018-08-14 Werner Lemberg <wl@gnu.org> [cff] Fix segv in old engine. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9864 * src/psaux/cffdecode.c (cff_decoder_parse_charstrings) <cff_op_random> [CFF_CONFIG_OPTION_OLD_ENGINE]: Use top dict's `random' field directly if parsing dictionaries. 2018-08-13 Alexei Podtelezhnikov <apodtele@gmail.com> [bdf] Use unsigned types. * src/bdf/bdf.h (bdf_glyph_t): Unsign `encoding'. (bdf_font_t): Unsign `default_char'. * src/bdf/bdfdrivr.h (BDF_encoding_el): Unsign `enc'. * src/bdf/bdflib.c (_bdf_add_property, _bdf_parse_glyphs, _bdf_parse_start): Updated accordingly. * src/bdf/bdfdrivr.c (bdf_cmap_char_{index,next}): Ditto. 2018-08-13 Werner Lemberg <wl@gnu.org> * src/type42/t42parse.c (t42_parse_sfnts): One more format check. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9832 2018-08-11 Werner Lemberg <wl@gnu.org> * src/base/ftcalc.c (FT_Matrix_Check): Fix integer overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9811 2018-08-10 Alexei Podtelezhnikov <apodtele@gmail.com> * src/sfnt/ttsbit.c (tt_sbit_decoder_load_compound): Follow specs. 2018-08-10 Ben Wagner <bungeman@google.com> * src/sfnt/sfobjs.c (sfnt_done_face): Fix memory leak (#54435). 2018-08-10 Werner Lemberg <wl@gnu.org> * src/base/ftobjs.c (FT_Render_Glyph_Internal): Improve tracing. 2018-08-10 Werner Lemberg <wl@gnu.org> Fix clang warnings. * src/base/ftdebug.c (ft_trace_level_enabled, ft_trace_level_disabled): Add `static' keyword. 2018-08-09 Alexei Podtelezhnikov <apodtele@gmail.com> [raster, smooth] Reinstate bitmap size limits. This again moves outline and bitmap size checks one level up. * src/base/ftoutln.c (FT_Outline_Render): Explicitly reject enormous outlines. * src/raster/ftrend1.c (ft_raster1_render): Reject enormous bitmaps and, therefore, outlines that require them. * src/smooth/ftsmooth.c (ft_smooth_render_generic): Ditto. * src/raster/ftraster.c (ft_black_render): Remove outline size checks. * src/smooth/ftgrays.c (gray_raster_render): Ditto. [STANDALONE]: Remove `FT_Outline_Get_CBox' copy. 2018-08-08 Alexei Podtelezhnikov <apodtele@gmail.com> [pcf] Revert massive unsigning. 2018-08-08 Werner Lemberg <wl@gnu.org> [smooth] Improve tracing. * src/smooth/ftgrays.c (gray_convert_glyph_inner): Only use tracing if called the first time. (gray_convert_glyph): Updated. 2018-08-08 Werner Lemberg <wl@gnu.org> Add internal functions `FT_Trace_Disable' and `FT_Trace_Enable'. It sometimes makes sense to suppress tracing informations, for example, if it outputs identical messages again and again. * include/freetype/internal/ftdebug.h: Make `ft_trace_levels' a pointer. (FT_Trace_Disable, FT_Trace_Enable): New declarations. * src/base/ftdebug.c (ft_trace_levels): Rename to... (ft_trace_levels_enabled): ... this. (ft_trace_levels_disabled): New array. (ft_trace_levels): New pointer. (FT_Trace_Disable, FT_Trace_Enable): Implement. (ft_debug_init): Updated. 2018-08-08 Werner Lemberg <wl@gnu.org> Debugging improvements. * src/base/ftobjs.c (pixel_modes): Move this array to top level from ... (FT_Load_Glyph): ... here. (FT_Render_Glyph_Internal): Use `width' x `height' in trace message. Use `pixel_modes'. 2018-08-08 Alexei Podtelezhnikov <apodtele@gmail.com> [pcf] Massive unsigning (part 2). Treat all size related properties as unsigned values. * src/pcf/pcf.h (PCF_ParsePropertyRec): Use unsigned `name' and `value'. * src/pcf/pcfread.c (pcf_get_properties, pcf_load_font): Updated parsing code and handling of AVERAGE_WIDTH, POINT_SIZE, PIXEL_SIZE, RESOLUTION_X and RESOLUTION_Y. 2018-08-08 Alexei Podtelezhnikov <apodtele@gmail.com> [pcf] Massive unsigning (part 1). Unofficial specifications hesitate to use unsigned 32-bit integers. Negative values caused a lot of trouble in the past and it is safer and easier to treat some properties as unsigned. * src/pcf/pcf.h (PCF_AccelRec): Use unsigned values for `fontAscent', `fontDescent', and `maxOverlap'. * src/pcf/pcfread.c (pcf_load_font, pcf_get_accel): Updated. * src/pcf/pcfdrivr.c (PCF_Glyph_Load, PCF_Size_Select, PCF_Size_Request): Updated. 2018-08-07 Alexei Podtelezhnikov <apodtele@gmail.com> * src/pcf/pcfread.c (pcf_get_bitmaps): Unsign `offsets' and `bitmapSizes'. 2018-08-06 Werner Lemberg <wl@gnu.org> * devel/ftoption.h: Synchronize with main `ftoption.h'. 2018-08-06 Alexei Podtelezhnikov <apodtele@gmail.com> [pcf] Use unsigned types. * src/pcf/pcf.h (PCF_Encoding): Use unsigned `enc'. * src/pcf/pcfdrivr.c (pcf_cmap_char_{index,next}): Ditto. * src/pcf/pcfread.c (pcf_get_encodings): Use unsigned types. 2018-08-05 Werner Lemberg <wl@gnu.org> * src/truetype/ttgload.c (compute_glyph_metrics): Fix overflow. Reported as https://bugs.chromium.org/p/chromium/issues/detail?id=777151 2018-08-04 Werner Lemberg <wl@gnu.org> * src/truetype/ttinterp.c (opcode_name): Fix typos. 2018-08-04 Werner Lemberg <wl@gnu.org> Fix clang warnings. * src/base/ftoutln.c (FT_Outline_EmboldenXY): Fix type of `orientation'. * src/gxvalid/gxvcommn.c (gx_lookup_value_read): Fix signature. * src/pcf/pcfread.c (pcf_get_encodings): Fix type of some variables. Add cast. * src/type1/t1load.c (parse_weight_vector): Fix cast. 2018-07-31 Werner Lemberg <wl@gnu.org> * src/cid/cidtoken.h: Handle `XUID' keyword. 2018-07-31 Werner Lemberg <wl@gnu.org> [cid] Trace PostScript dictionaries. * src/cid/cidload.c: Include FT_INTERNAL_POSTSCRIPT_AUX_H. (cid_load_keyword, cid_parse_font_matrix, parse_fd_array, parse_expansion_factor, cid_parse_dict): Add tracing calls. (parse_font_name): New function to trace `/FontName' keywords in /FDArray dict. (cid_field_records): Register `parse_font_name'. 2018-07-30 Werner Lemberg <wl@gnu.org> [cff] Fix typo. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9409 * src/cff/cffdrivr.c (cff_get_cid_from_glyph_index): Fix boundary check. 2018-07-29 Werner Lemberg <wl@gnu.org> * src/pcf/pcfread.c (pcf_get_encodings): Another thinko. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9608 2018-07-28 Alexei Podtelezhnikov <apodtele@gmail.com> [smooth] Fix Harmony memory management. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9501 * src/smooth/ftgrays.c (ft_smooth_render_generic): Restore buffer after each rendering in case of failure. 2018-07-28 Werner Lemberg <wl@gnu.org> [type1] Avoid segfaults with `FT_Get_PS_Font_Value'. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9610 * src/type1/t1driver.c (t1_ps_get_font_value): Protect against NULL. 2018-07-27 Werner Lemberg <wl@gnu.org> [truetype] Make `TT_Set_MM_Blend' idempotent (#54388). * src/truetype/ttgxvar.c (tt_set_mm_blend): Correctly set `face->doblend' if the current call to the function yields the same blend coordinates as the previous call. 2018-07-27 Werner Lemberg <wl@gnu.org> [psaux, type1]: More tracing improvements. * src/psaux/psintrp.c (cf2_interpT2CharString): Trace skipped outline commands. * src/psaux/t1decode.c (t1_decoder_parse_charstring): Fix missing case. (t1_decoder_parse_metrics): Make tracing output more compact. * src/type1/t1gload.c (T1_Compute_Max_Advance): Be less verbose. (T1_Get_Advances): Add tracing. 2018-07-25 Werner Lemberg <wl@gnu.org> [psaux, type1] Trace PostScript dictionaries and other things. The tracing of /Encoding, /Subrs, and /Charstrings is rudimentary right now. * src/psaux/psobjs.c (ps_parser_load_field, ps_parser_load_field_table): Add tracing calls. * src/psaux/t1decode.c (t1_decoder_parse_charstrings): Make tracing output more compact. * src/type1/t1gload.c (T1_Compute_Max_Advance, T1_Get_Advances): Add tracing messages. * src/type1/t1load.c (parse_blend_axis_types, parse_blend_design_positions, parse_blend_design_map, parse_weight_vector, t1_load_keyword, t1_parse_font_matrix, parse_encoding, parse_subrs, parse_charstrings, T1_Open_Face): Add tracing calls. * src/type1/t1objs.c (T1_Face_Init): Add tracing call. * src/sfnt/sfobjs.c (sfnt_init_face): Make tracing message more verbose. 2018-07-25 Werner Lemberg <wl@gnu.org> Fix minor ASAN run-time warnings. * src/base/ftutil.c (ft_mem_alloc, ft_mem_realloc): Only call `FT_MEM_ZERO' if we actually have a buffer. (ft_mem_dup): Only call `ft_memcpy' if we actually have a buffer. 2018-07-24 Alexei Podtelezhnikov <apodtele@gmail.com> [build] Fortify dllexport/dllimport attributes (#53969,#54330). We no longer use predefined _DLL, which can be defined for static builds too with /MD. We use DLL_EXPORT and DLL_IMPORT instead, following libtool convention. * CMakeLists.txt [WIN32], builds/windows/vc2010/freetype.vcxproj: Define DLL_EXPORT manually. * include/freetype/config/ftconfig.h, builds/unix/ftconfig.in, builds/vms/ftconfig.h, builds/windows/vc2010/index.html, src/base/ftver.rc: /_DLL/d, s/FT2_DLLIMPORT/DLL_IMPORT/. 2018-07-24 Werner Lemberg <wl@gnu.org> [type1] Check relationship between number of axes and designs. For Multiple Masters fonts we don't support intermediate designs; this implies that number_of_designs == 2 ^^ number_of_axes Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9557 * src/type1/t1load.c (T1_Open_Face): Ensure above constraint. (T1_Get_MM_Var): Remove now redundant test. 2018-07-24 Hin-Tak Leung <htl10@users.sourceforge.net> [truetype] Match ttdebug's naming of instruction mnemonics. * src/truetype/ttinterp.c: The form used in ttdebug, "MDRP[G,B,W,?]", etc., is slightly more readable than "MDRP[00,01,02,03]". 2018-07-24 Werner Lemberg <wl@gnu.org> * src/pcf/pcfread.c (pcf_get_encodings): Thinko. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9561 2018-07-22 Werner Lemberg <wl@gnu.org> * src/pcf/pcfread.c (pcf_get_encodings): Check index of defaultChar. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9527 2018-07-22 Werner Lemberg <wl@gnu.org> * src/pcf/pcfread.c (pcf_load_font): Fix number of glyphs. This is an oversight of the module change 2018-07-21. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9524 2018-07-22 Werner Lemberg <wl@gnu.org> [cid] Sanitize `BlueShift' and `BlueFuzz'. This code is taken from the type1 module. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9510 * src/cid/cidload.c (parse_fd_array): Set some private dict default values. (cid_face_open): Do the sanitizing. Fix some tracing messages. 2018-07-21 Werner Lemberg <wl@gnu.org> [pcf] Fix handling of the undefined glyph. This change makes the driver use the `defaultChar' property of PCF files. * src/pcf/pcf.h (PCF_FaceRec): Change type of `defaultChar' to unsigned. * src/pcf/pcfread.c (pcf_get_encodings): Read `defaultChar' as unsigned. Validate `defaultChar'. If `defaultChar' doesn't point to glyph index zero, swap glyphs with index zero and index `defaultChar' and adjust the encodings accordingly. * src/pcf/pcfdrivr.c (pcf_cmap_char_index, pcf_cmap_char_next, PCF_Glyph_Load): Undo change from 2002-06-16 which always enforced the first character in the font to be the default character. 2018-07-20 Armin Hasitzka <prince.cherusker@gmail.com> Move the legacy fuzz target to the `freetype-testing' repository. It can now be found at https://github.com/freetype/freetype2-testing/tree/master/fuzzing/src/legacy * src/tools/ftfuzzer: Remove this folder and its contents from the repository. 2018-07-20 Werner Lemberg <wl@gnu.org> [cff] Avoid left-shift of negative numbers (#54322). * src/cff/cffgload.c (cff_slot_load): Use multiplication. 2018-07-17 Werner Lemberg <wl@gnu.org> Allow FT_ENCODING_NONE for `FT_Select_Charmap'. This is a valid encoding tag for BDF, PCF, and Windows FNT, and there is no reason to disallow it for these formats. * src/base/ftobjs.c (FT_Select_Charmap): Implement it. 2018-07-17 Werner Lemberg <wl@gnu.org> * src/pcf/pcfread.c (pcf_get_encodings): Trace `defaultChar'. 2018-07-16 Armin Hasitzka <prince.cherusker@gmail.com> * include/freetype/internal/ftcalc.h: Add macros for handling harmless over-/underflowing `FT_Int' values. * src/sfnt/sfdriver.c (fixed2float): Fix negation of `(int)(-2147483648)'. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9423 2018-07-16 Werner Lemberg <wl@gnu.org> * src/truetype/ttgxvar.c (tt_set_mm_blend): Fix off-by-one error. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9412 2018-07-12 Werner Lemberg <wl@gnu.org> * src/base/ftoutln.c (FT_Outline_Get_Orientation): Init `cbox'. Taken from patch #9667, written by Steve Langasek <vorlon@debian.org>. This fixes a build failure (most probably a bug in gcc) on ppc64el when building with -O3. 2018-07-05 Werner Lemberg <wl@gnu.org> Fix typo (#54238). * src/base/ftcolor.c (FT_Palette_Set_Foreground_Color) [!TT_CONFIG_OPTION_COLOR_LAYERS]: Add return value. 2018-07-05 Werner Lemberg <wl@gnu.org> Adjust table size comparisons (#54242). * src/sfnt/ttcpal.c (tt_face_load_cpal): Implement it. 2018-07-05 Werner Lemberg <wl@gnu.org> Fix more 32bit issues (#54208). * src/cff/cffload.c (cff_blend_build_vector): Convert assertion into run-time error. * src/truetype/ttgxvar.c (ft_var_to_normalized): Protect against numeric overflow. 2018-07-04 Werner Lemberg <wl@gnu.org> Fix 32bit build warnings (#54239). * src/base/ftbitmap.c (FT_Bitmap_Blend): Add casts to avoid signed vs. unsigned comparisons. * srb/sfnt/ttcolr.c (tt_face_get_colr_layer): Ditto. 2018-07-02 Jeff Carey <Jeff.Carey@monotype.com> * src/psnames/psmodule.c (ps_unicodes_init): Fix alloc debugging. 2018-07-02 Werner Lemberg <wl@gnu.org> s/palette_types/palette_flags/. Suggested by Behdad. 2018-07-02 Werner Lemberg <wl@gnu.org> Make `FT_Get_Color_Glyph_Layer' return FT_Bool. * include/freetype/freetype.h, src/base/ftobjs.c (FT_Get_Color_Glyph_Layer, FT_Render_Glyph_Internal): Updated. * include/freetype/internal/sfnt.h (TT_Get_Colr_Layer_Func), src/sfnt/ttcolr.h, src/sfnt/ttcolr.c (tt_face_get_colr_layer): Updated. 2018-07-01 Werner Lemberg <wl@gnu.org> * src/base/ftobjs.c (FT_Get_Color_Glyph_Layer): Guard SFNT function. Reported by Behdad. 2018-06-28 Alexei Podtelezhnikov <apodtele@gmail.com> * src/base/fttrigon.c (FT_Tan): Improve accuracy. (FT_Vector_Rotate): Simplify. 2018-06-28 Alexei Podtelezhnikov <apodtele@gmail.com> * src/base/ftobjs.c (FT_Set_Charmap): Robustify. 2018-06-25 Werner Lemberg <wl@gnu.org> [truetype] Fix memory leak. * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Add initializers. Fix typo in `goto' destination. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9071 2018-06-25 Werner Lemberg <wl@gnu.org> * src/truetype/ttgxvar.c (tt_face_vary_cvt): Add initializers. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9070 2018-06-24 Werner Lemberg <wl@gnu.org> [truetype] Increase precision while applying VF deltas. It turned out that we incorrectly round CVT and glyph point deltas before accumulation, leading to severe positioning errors if there are many delta values to sum up. Problem reported by Akiem Helmling <akiem@underware.nl> and analyzed by Behdad. * src/truetype/ttgxvar.c (ft_var_readpackeddelta): Return deltas in 16.16 format. (tt_face_var_cvt): Collect deltas in `cvt_deltas', which is a 16.16 format array, and add the accumulated values to the CVT at the end of the function. (TT_Vary_Apply_Glyph_Deltas): Store data in `points_org' and `points_out' in 16.16 format. Collect deltas in `point_deltas_x' and `point_deltas_y', which are 16.16 format arrays, and add the accumulated values to the glyph coordinates at the end of the function. 2018-06-24 Werner Lemberg <wl@gnu.org> New base function `FT_Matrix_Check' (#54019). * src/base/ftcalc.c (FT_Matrix_Check): New base function to properly reject degenerate font matrices. * include/freetype/internal/ftcalc.h: Updated. * src/cff/cffparse.c (cff_parse_font_matrix), src/cid/cidload.c (cid_parse_font_matrix), src/type1/t1load.c (t1_parse_font_matrix), src/type42/t42parse.c (t42_parse_font_matrix): Use `FT_Matrix_Check'. 2018-06-23 Werner Lemberg <wl@gnu.org> Fix typo. Reported by Behdad. * src/base/ftcolor.c (FT_Palette_Data_Get) [!TT_CONFIG_OPTION_COLOR_LAYERS]: s/apalette/apalette_data/. 2018-06-21 Werner Lemberg <wl@gnu.org> s/FT_PALETTE_USABLE_WITH_/FT_PALETTE_FOR_/. * include/freetype/ftcolor.h, include/freetype/internal/sfnt.h, src/sfnt/ttcolr.c: Do it. 2018-06-19 Werner Lemberg <wl@gnu.org> [sfnt] Fix CPAL heap buffer overflow. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8968 * src/sfnt/ttcpal.c (tt_face_load_cpal): Guard CPAL version 1 offsets. 2018-06-19 Werner Lemberg <wl@gnu.org> Doh. Don't use CPAL or COLR data if tables are missing. Reported by Alexei. * src/sfnt/ttcolr.c (tt_face_get_colr_layer): Return immediately if `colr' is NULL. * src/sfnt/ttcpal.c (tt_face_palette_set): Return immediately, if `cpal' is NULL. 2018-06-17 Alexei Podtelezhnikov <apodtele@gmail.com> [base] Introduce `FT_New_Glyph'. This function facilitates access to full capabilities of FreeType rendering engine for custom glyphs. This can be quite useful for consistent rendering of mathematical and chemical formulas, e.g. https://bugs.chromium.org/p/chromium/issues/detail?id=757078 * include/freetype/ftglyph.h, src/base/ftglyph.c (FT_New_Glyph): New function. 2018-06-17 Armin Hasitzka <prince.cherusker@gmail.com> [bdf] Fix underflow of an unsigned value. bdflib.c:1562 could be reached with `font->glyphs_used == 0'. That caused an underflow of the unsigned value which results in undefined behaviour. * src/bdf/bdflib.c (_bdf_parse_glyphs): Bail out earlier than before if the `ENCODING' keyword cannot be found. 2018-06-17 Werner Lemberg <wl@gnu.org> [base] Add tracing for `FT_Bitmap_Blend'. * include/freetype/internal/fttrace.h (trace_bitmap): New enumeration. * src/base/ftbitmap.c (FT_COMPONENT): Define. (FT_Bitmap_Blend): Add `FT_TRACE5' calls. 2018-06-17 Werner Lemberg <wl@gnu.org> s/trace_bitmap/trace_checksum/. * include/freetype/internal/fttrace.h: s/bitmap/checksum/. * src/base/ftobjs.c (FT_COMPONENT): s/trace_bitmap/trace_checksum/. Adjust code. 2018-06-16 Werner Lemberg <wl@gnu.org> [sfnt] Fix color glyph layer loading. * src/sfnt/ttcolr.c (Colr): Add `table_size' field. (tt_face_load_colr): Set it. (tt_face_get_colr_layer): Check pointer limit for layer entries. 2018-06-16 Werner Lemberg <wl@gnu.org> [sfnt] Fix color palette loading. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8933 * src/sfnt/ttcpal.c (Cpal): Add `table_size' field. (tt_face_load_cpal): Set it. (tt_face_palette_set): Check pointer limit for color entries. 2018-06-16 Werner Lemberg <wl@gnu.org> * src/base/ftbitmap.c (FT_Bitmap_Blend): Avoid integer overflow. 2018-06-16 Werner Lemberg <wl@gnu.org> Add `FT_Bitmap_Blend' API. Still missing: Support for negative bitmap pitch and subpixel offset of source bitmap. * include/freetype/ftbitmap.h, src/base/ftbitmap.c (FT_Bitmap_Blend): New function. 2018-06-14 Werner Lemberg <wl@gnu.org> Replace `FT_Get_GlyphLayers' with `FT_Get_Color_Glyph_Layer'. This avoids any additional allocation of COLR related structures in a glyph slot. * include/freetype/freetype.h (FT_Glyph_Layer, FT_Glyph_LayerRec, FT_Get_GlyphLayers): Removed. * include/freetype/internal/ftobjs.h (FT_Colr_InternalRec): Removed. (FT_Slot_InternalRec): Remove `color_layers'. * include/freetype/internal/sfnt.h (TT_Load_Colr_Layer_Func): Removed. (SFNT_Interface, FT_DEFINE_SFNT_INTERFACE): Remove `load_colr_layer'. * src/base/ftobjs.c (ft_glyph_slot_done): Updated. (FT_Render_Glyph_Internal): Use `FT_Get_Color_Glyph_Layer'. (FT_Get_GlyphLayers): Removed. * src/sfnt/sfdriver.c (sfnt_interface): Updated. * src/sfnt/ttcolr.c (tt_face_load_colr_layers): Removed. * src/sfnt/ttcolr.h: Updated. * src/truetype/ttgload.c (TT_Load_Glyph): Updated. 2018-06-14 Werner Lemberg <wl@gnu.org> Provide iterative API to access `COLR' data. This solution doesn't store any data in an `FT_GlyphSlot' object. * include/freetype/freetype.h (FT_LayerIterator): New structure. (FT_Get_Color_Glyph_Layer): New function. * include/freetype/internal/sfnt.h (TT_Get_Colr_Layer_Func): New function type. (SFNT_Interface, FT_DEFINE_SFNT_INTERFACE): Add it. * src/base/ftobjs.c (FT_Get_Color_Glyph_Layer): Implement it. * src/sfnt/ttcolr.c (tt_face_get_colr_layer): New function. * src/sfnt/ttcolr.h: Updated. * src/sfnt/sfdriver.c (sfnt_interface): Updated. 2018-06-14 Werner Lemberg <wl@gnu.org> Add glyph index and glyph load flags to glyph slot. * include/freetype/freetype.h (FT_GlyphSlotRec): Rename unused `reserved' field to `glyph_index'. * include/freetype/internal/ftobjs.h (FT_Slot_InternalRec): Add `load_flags' field. * src/base/ftobjs.c (FT_Load_Glyph): Set new fields. 2018-06-14 Werner Lemberg <wl@gnu.org> [sfnt] Move `CPAL' stuff into separate files. * src/sfnt/sfdriver.c: Include `ttcpal.h'. * src/sfnt/sfnt.c: Include `ttcpal.c'. * src/sfnt/ttcolr.c, src/sfnt/ttcolr.h: Move CPAL stuff to ... * src/sfnt/ttcpal.c, src/sfnt/ttcpal.c: ... these new files. * src/sfnt/Jamfile (_sources), src/sfnt/rules.mk (SFNT_DRV_SRC): Updated. * include/freetype/internal/fttrace.h: Add support for `colr' and `cpal'. Sort entries. 2018-06-13 Werner Lemberg <wl@gnu.org> [sfnt] Separate `CPAL' and `COLR' table handling. Later on we want to support the `SVG' table also, which needs `CPAL' (but not `COLR'). * include/freetype/internal/sfnt.h (SFNT_Interface): Add `load_cpal' and `free_cpal' fields. (FT_DEFINE_SFNT_INTERFACE): Updated. * include/freetype/internal/tttypes.h (TT_FaceRec): Replace `colr_and_cpal' fields with `cpal' and `colr'. * src/sfnt/sfdriver.c (sfnt_interface): Updated. * src/sfnt/sfobjs.c (sfnt_load_face, sfnt_done_face): Updated. * src/sfnt/ttcolr.c (Colr, Cpal): Add `table' field. (ColrCpal): Removed. (tt_face_load_colr): Split off CPAL handling into... (tt_face_load_cpal): ... this new function. (tt_face_free_colr): Split off CPAL handling into... (tt_face_free_cpal): ... this new function. (tt_face_load_colr_layers, tt_face_palette_set): Updated. * src/sfnt/ttcolr.h: Updated. * src/truetype/ttgload.c (TT_Load_Glyph): Updated. 2018-06-12 Werner Lemberg <wl@gnu.org> [sfnt] Fix `sizeof' thinko. * src/sfnt/ttcolr.c (tt_face_load_colr, tt_face_palette_set): Don't use `sizeof' for computing array limit. 2018-06-12 Werner Lemberg <wl@gnu.org> Finish CPAL/COLR support (4/4). * src/sfnt/ttcolr.c (tt_face_find_color): Removed. (tt_face_colr_blend_layer): Use `face->palette' instead of calling `tt_face_find_color'. Use and set text foreground color. 2018-06-12 Werner Lemberg <wl@gnu.org> Finish CPAL/COLR support (3/4). * src/base/ftcolor.c: Include FT_INTERNAL_SFNT_H. (FT_Palette_Select, FT_Palette_Set_Foreground_Color): Implement functions. 2018-06-12 Werner Lemberg <wl@gnu.org> Finish CPAL/COLR support (2/4). * src/sfnt/ttcolr.c (tt_face_palette_set): New function. (tt_face_load_colr): Allocate `face->palette' and call `tt_face_palette_set'. Adjust return error code in case of error. * src/sfnt/ttcolr.h: Updated. * include/freetype/internal/sfnt.h (TT_Set_Palette_Func): New function type. (SFNT_Interface, FT_DEFINE_SFNT_INTERFACE): Add it. * src/sfnt/sfdriver.c (sfnt_interface), src/sfnt/sfobjs.c (sfnt_done_face): Updated. 2018-06-12 Werner Lemberg <wl@gnu.org> Finish CPAL/COLR support (1/4). * include/freetype/internal/tttypes.h (TT_FaceRec): New fields `palette_index', `palette', `have_foreground_color' and `foreground_color'. 2018-06-12 Werner Lemberg <wl@gnu.org> [sfnt] Minor. * src/sfnt/ttcolr.c (tt_face_load_colr_layers): s/palette_index/palette_entry_index/ for consistency. Adjust return error code in case of error. 2018-06-11 Alexei Podtelezhnikov <apodtele@gmail.com> [raster] Clean up. * src/raster/ftraster.c (black_TWorker, SCALED, Set_High_Precision): Clean up after 5-level gray removal (8dc8635874). (Vertical_Sweep_Span): Be brief. 2018-06-10 Werner Lemberg <wl@gnu.org> [sfnt] Fix compiler warnings. * src/sfnt/ttcolr.c (tt_face_load_colr, tt_face_load_colr_layers, tt_face_colr_blend_layer): Add `NULL' initializers. 2018-06-10 Werner Lemberg <wl@gnu.org> s/FT_Palette/FT_Palette_Data/, s/palette/palette_data/. * include/freetype/ftcolor.h, include/freetype/internal/tttypes.h, src/base/ftcolor.c, src/sfnt/sfobjs.c, src/sfnt/ttcolr.c: Updated. 2018-06-10 Nikolaus Waxweiler <madigens@gmail.com> CMakeLists: also accept IOS_PLATFORM=SIMULATOR64 This might be needed to build FreeType for the iOS simulator. See https://savannah.nongnu.org/bugs/index.php?54048. Patch contributed by Steve Robinson. * CMakeLists.txt: Accept IOS_PLATFORM=SIMULATOR64 2018-06-10 Werner Lemberg <wl@gnu.org> Implement `FT_Palette_Get'. * src/base/ftcolor.c: New file. * src/base/Jamefile (_sources), src/base/rules.mk (BASE_SRC), src/base/ftbase.c: Add `ftcolor.c'. 2018-06-10 Werner Lemberg <wl@gnu.org> * src/sfnt/ttcolr.c (tt_face_load_colr): Improve overflow checks. 2018-06-09 Alexei Podtelezhnikov <apodtele@gmail.com> [raster] Deal with pitch sign earlier. * src/raster/ftraster.c (black_TWorker): Remove unused `traceG', s/bTarget/bOrigin/. (Render_Glyph): Set `ras.bOrigin' at the bottom-left corner. (Vertical_Sweep_Init, {Vertical,Horizontal}_Sweep_{Span,Drop}): Updated accordingly. 2018-06-09 Werner Lemberg <wl@gnu.org> [sfnt] Read `CPAL' version 1 tables. * include/freetype/internal.tttypes.h: Include FT_COLOR_H. (TT_FaceRec): Add `palette' field. * src/sfnt/ttcolr.c: Include FT_COLOR_H. (Cpal): Remove all data covered by the new `palette' field in `TT_FaceRec'. (tt_face_load_colr): Updated. Read `CPAL' version 1 data. (tt_face_load_colr_layers, tt_face_find_color): Updated. * src/sfnt/sfobjs.c (sfnt_done_face): Free glyph color palette data. 2018-06-07 Alexei Podtelezhnikov <apodtele@gmail.com> [base] API for Harmony LCD rendering. This introduces `FT_Library_SetLcdGeometry' for setting up arbitrary LCD subpixel geometry including non-striped patterns. * src/base/ftlcdfil.c (FT_Library_SetLcdGeometry): New function. * include/freetype/ftlcdfil.h: Document it. * include/freetype/freetype.h: Minor. * include/freetype/ftchapters.h: Minor. 2018-06-06 Werner Lemberg <wl@gnu.org> ftcolor.h: Redesign API. While going to implement it I noticed that I need access to most of the `CPAL' elements; I thus plan to add a `cpal' field to `TT_FaceRec', which makes most of the previously suggested API functions obsolete because the fields will be directly accessible. 2018-06-06 Parth Wazurkar <parthwazurkar@gmail.com> [bdf, pcf] Remove deprecated FT_FACE_FLAG_FAST_GLYPHS flag. * src/bdf/bdfdrivr.c (BDF_Face_Init): Remove deprecated FT_FACE_FLAG_FAST_GLYPHS flag. * src/pcf/pcfread.c (pcf_load_font): Remove deprecated FT_FACE_FLAG_FAST_GLYPHS flag. 2018-06-06 Werner Lemberg <wl@gnu.org> [smooth, raster] Limit bitmap size (#54019). * src/raster/ftraster.c [STANDALONE] (FT_Outline_Get_CBox): Add function. [!STANDALONE]: Include FT_OUTLINE_H. (ft_black_render): Compute CBox and reject glyphs larger than 0xFFFF x 0xFFFF. * src/smooth/ftgrays.c (gray_raster_render): Reject glyphs larger than 0xFFFF x 0xFFFF. 2018-06-03 Armin Hasitzka <prince.cherusker@gmail.com> * src/smooth/ftgrays.c (gray_convert_glyph): Remove unused variables. 2018-06-03 Werner Lemberg <wl@gnu.org> * src/tools/glnames.py (main): Emit header in `light' comment style. 2018-06-02 Alexei Podtelezhnikov <apodtele@gmail.com> [smooth] Attempt to mitigate bug #54019. The robust rendering of estra large glyphs came with unbearable cost. The old way of bisecting should fail but fail faster. * src/smooth/ftgrays.c (gray_convert_glyph): Switch back to bisecting in y-direction. 2018-06-02 Werner Lemberg <wl@gnu.org> * src/truetype/ttinterp.c (Ins_MIRP): Use SUB_LONG; avoid FT_ABS. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8706 2018-06-02 Werner Lemberg <wl@gnu.org> * src/autofit/afwarp.h: Use AF_CONFIG_OPTION_USE_WARPER (#54033). 2018-05-31 Werner Lemberg <wl@gnu.org> * src/raster/ftraster.c (black_TWorker_): Remove `gTarget' field. This is no longer used. 2018-05-31 Werner Lemberg <wl@gnu.org> [sfnt] Get colors from `CPAL' table in right order (#54015). * src/sfnt/ttcolr.c (tt_face_find_color): Fix it. 2018-05-30 Werner Lemberg <wl@gnu.org> ftcolor.h: Improve API design, fix typos (#54011, #54014). * include/freetype/ftcolor.h (FT_Palette_Get_Names): Replace with... (FT_Palette_Get_Name_IDs): ... this function. (FT_Palette_Get_Entry_Names): Replace with... (FT_Palette_Get_Entry_Name_IDs): ... this function s/FT_Palette_Set_Foreground_COlor/FT_Palette_Set_Foreground_Color/. 2018-05-30 Armin Hasitzka <prince.cherusker@gmail.com> Beautify a3cfed5e87232c933bdc64f43e8ebebcfd18b41b. * src/autofit/afloader.c (af_loader_load_glyph): Move the initialisationand declaration of variables into the if-block. 2018-05-30 Armin Hasitzka <prince.cherusker@gmail.com> Fix pointer underflow. The declaration of `edge2' can be reached with `edge1 == NULL' and `axis->edges == 0' which results in undefined behaviour. * src/autofit/afloader.c (af_loader_load_glyph): Initialise `edge2' after checking `axis->num_edges > 1'. `edge1 != NULL' can be assumed. 2018-05-30 Werner Lemberg <wl@gnu.org> Various minor color fixes. * include/freetype/config/ftheader.h (FT_COLOR_H): New macro. * include/freetype/internal/ftobjs.h (FT_Colr_Internal): Change type of `load_flags' to `FT_Int32'. * include/freetype/internal/sfnt.h (TT_Load_Colr_Layer_Func): Change type of `idx' to `FT_UInt'. (TT_Blend_Colr_Func): Change type of `color_index' to `FT_UInt'. * src/base/ftobjs.c (FT_Render_Glyph_Internal): Change type of `load_flags' to `FT_Int32'. * src/sfnt/ttcolr.c (find_base_glyph_record, tt_face_load_colr_layers): Change type of `glyph_id' to `FT_UInt'. (tt_face_find_color, tt_face_colr_blend_layer): Change type of `color_index' to `FT_UInt'. Fix signedness and type issues. * src/sfnt/ttcolr.h: Updated. 2018-05-25 Nikhil Ramakrishnan <ramakrishnan.nikhil@gmail.com> [docmaker] Fix missing `Defined in (...)' under Windows/Cygwin. This platform uses backslashes for paths, which docmaker didn't understand correctly. * src/tools/docmaker/tohtml.py (HtmlFormatter::blockEnter): Use `os.path.normpath' to normalize the path for the platform being used. 2018-05-24 Alexei Podtelezhnikov <apodtele@gmail.com> [smooth] Formalize Harmony LCD rendering. This generalizes magic outline shifts that make Harmony LCD rendering work in terms of precise two-dimensional RGB subpixel positions. These coordinates are now set in time of the `smooth' module initialization and later used to shift a glyph outline for rendering. FT_RENDER_MODE_LCD and FT_RENDER_MODE_LCD_V use the same coordinates. The letter, however, rotates them before using. The LCD bitmap padding is also calculated using these coordinates. * include/freetype/internal/ftobjs.h (FT_LibraryRec): New array field `lcd_geometry'. * src/base/ftlcdfil.c (ft_lcd_padding): Reworked. * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Updated accordingly. * src/smooth/ftsmooth.c [!FT_CONFIG_OPTION_SUBPIXEL_RENDERING] (ft_smooth_init): Initialize `lcd_geometry'. (ft_smooth_render_generic): Formalize outline shifts. 2018-05-22 Werner Lemberg <wl@gnu.org> [truetype] Reject elements of composites with invalid glyph indices. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8413 * src/truetype/ttgload.c (TT_Load_Composite_Glyph): Implement it. 2018-05-22 Werner Lemberg <wl@gnu.org> * src/truetype/ttgload.c (TT_Load_Simple_Glyph): Trace # of points. 2018-05-20 Werner Lemberg <wl@gnu.org> * include/freetype/ftcolor.h: New file. This is an interface to the `CPAL' OpenType table. No implementation yet. 2018-05-18 Alexei Podtelezhnikov <apodtele@gmail.com> * include/freetype/internal/ftcalc.h (FT_MSB): Verified `_MSC_VER'. Actually `_BitScanReverse' is available since VS2005. 2018-05-18 Werner Lemberg <wl@gnu.org> * include/freetype/internal/ftcalc.h (FT_MSB): Use `_MSC_VER' value. Older VC versions don't provide `_BitScanReverse'. We test for VC 2013. Reported by John Emmas <john@creativepost.co.uk>. 2018-05-17 Werner Lemberg <wl@gnu.org> s/inline/__inline/ for MSVC. Reported by John Emmas <john@creativepost.co.uk>. * include/freetype/internal/ftcalc.h (FT_MSB) [_MSC_VER]: Do it. 2018-05-16 Werner Lemberg <wl@gnu.org> Add function `FT_Get_GlyphLayers' to access `COLR' table data. * include/freetype/internal/ftobjs.h (FT_Glyph_LayerRec): Move this structure to... * include/freetype/freetype.h (FT_Glyph_LayerRec): ... this header file. (FT_Glyph_Layer): New typedef. Update code to use it where appropriate. * src/base/ftobjs.c (FT_Get_GlyphLayers): New function. 2018-05-15 Alexei Podtelezhnikov <apodtele@gmail.com> [base] Fix mono bitmap presetting (#53896). It is rather fundamental to set monochrome bitmap based on rounded CBox because the b/w rasterizer turns on pixels when their centers are inside the glyph outline. The dropout control is unpredictable and can distort narrow glyphs if the bitmap is too wide. Reported by Chris Liddell. * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): If BBox boundaries are too close, adjust them before rounding. 2018-05-15 Werner Lemberg <wl@gnu.org> [psaux] Fix compiler warning (#53915). * src/psaux/psft.c (cf2_freeT1SeacComponent): Do it. 2018-05-15 Werner Lemberg <wl@gnu.org> [sfnt] Fix memory leak in handling `COLR' data. * src/truetype/ttgload.c (TT_Load_Glyph): Free old `layers' array before reassigning allocated memory. Only allocate `color_layers' if we don't have one already. 2018-05-15 Werner Lemberg <wl@gnu.org> [sfnt] If `COLR' is present, don't assume that all glyphs use it. * src/sfnt/ttcolr.c (tt_face_load_colr_layers): Return FT_Err_Ok if current glyph is not a `COLR' base glyph. * src/truetype/ttgload.c (TT_Load_Glyph): Don't allocate `color_layers' if there are no color layers. 2018-05-14 Werner Lemberg <wl@gnu.org> * src/base/ftobjs.c (FT_Load_Glyph): Fix signature of `pixel_modes'. 2018-05-14 Werner Lemberg <wl@gnu.org> Provide dummy functions if `TT_CONFIG_OPTION_SFNT_NAMES' is not set. * src/base/ftsnames.c [!TT_CONFIG_OPTION_SFNT_NAMES]: Implement it. 2018-05-13 Werner Lemberg <wl@gnu.org> * src/base/ftobjs.c (FT_Load_Glyph): Improve tracing. 2018-05-13 Shao Yu Zhang <shaozhang@fb.com> Werner Lemberg <wl@gnu.org> [sfnt] Preliminary support of coloured layer outlines (#44689). This commit enables OpenType's COLR/CPAL table handling; a typical application are color emojis that can be scaled to any size. If the color palette does not exist or is invalid, the rendering step rasterizes the outline instead. The current implementation assumes that the foreground is black. Enable this by defining option TT_CONFIG_OPTION_COLOR_LAYERS. There are still some issues with metrics; additionally, an API to fetch color layers is missing. * devel/ftoption.h, include/freetype/config/ftoption.h (TT_CONFIG_OPTION_COLOR_LAYERS): New macro. * include/freetype/internal/ftobjs.h (FT_Glyph_LayerRec, FT_Colr_InternalRec): New structures. (FT_Slot_InternalRec): Add `color_layers' field. * include/freetype/internal/sfnt.h (TT_Load_Colr_Layer_Func, TT_Blend_Colr_Func): New function types. (SFNT_Interface): Add `load_colr', `free_colr', `load_colr_layer', and `colr_blend' fields. * include/freetype/internal/tttypes.h (TT_FaceRec): Add `colr_and_cpal' field. * include/freetype/internal/tttags. (TTAG_COLR, TTAG_CPAL): New macros. * src/sfnt/ttcolr.c, src/sfnt/ttcolr.h: New files. * src/base/ftobjs.c (ft_glyphslot_done, FT_Render_Glyph_Internal): Handle glyph color layers. * src/sfnt/Jamfile (_sources), src/sfnt/rules.mk (SFNT_DRV_SRC): Add `ttcolr.c'. * src/sfnt/sfdriver.c: Include `ttcolr.h'. (PUT_COLOR_LAYERS): New macro. Update call to `FT_DEFINE_SFNT_INTERFACE'. * src/sfnt/sfnt.c: Include `ttcolr.c'. * src/sfnt/sfobjs.c (sfnt_load_face): Load `COLR' and `CPAL' tables. (sfnt_done_face): Updated. * src/truetype/ttgload.c (TT_Load_Glyph): Handle color layers. 2018-05-12 Arkady Shapkin <arkady.shapkin@gmail.com> Use MS VC++'s _BitScanReverse to calculate MSB (patch #9636). * include/freetype/internal/ftcalc.h (FT_MSB) [_MSC_VER]: Implement it. 2018-05-10 Alan Coopersmith <alan.coopersmith@oracle.com> Fix DLL compilation on Solaris. AC_COMPILE_IFELSE only tries to compile a `*.c' to a `*.o'. The Solaris Studio 12.1 through 12.5 compilers see the `-fvisibility=hidden' flag, but ignore it with a warning of: cc: Warning: Option -fvisibility=hidden passed to ld, if ld is invoked, ignored otherwise AC_LINK_IFELSE does the compile and then tries to link the result, at which point the Solaris linker will issue an error: ld: fatal: option '-fvisibility=hidden' is incompatible with building a dynamic executable If we don't use AC_LINK_IFELSE to catch the error, then configure will fail further tests which attempt to link, such as those testing dependencies like `libbz2'. Also, don't try adding `-fvisibility' if we have already added `-xldscope', just use one of them, since Sun Studio 12 and earlier compilers only issue a warning, and don't try passing through to the linker to generate an error, so AC_LINK_IFELSE doesn't catch them. Tested on Solaris 11.4 beta with compiler versions: Sun Studio 8 (Sun C 5.5) Sun Studio 10 (Sun C 5.7) Sun Studio 11 (Sun C 5.8) Sun Studio 12 (Sun C 5.9) Sun Studio 12.1 (Sun C 5.10) Oracle Solaris Studio 12.2 (Sun C 5.11) Oracle Solaris Studio 12.3 (Sun C 5.12) Oracle Solaris Studio 12.4 (Sun C 5.13) Oracle Developer Studio 12.5 (Sun C 5.14) Oracle Developer Studio 12.6 (Sun C 5.15) gcc 5.5.0 gcc 7.3.0 and verified the libfreetype.so.6 generated by each of those compilers exported the same set of symbols. * builds/unix/configure.raw: Implement it. 2018-05-08 Werner Lemberg <wl@gnu.org> [autofit] Avoid potential SEGV if running out of memory. Problem reported by Shailesh Mistry <shailesh.mistry@hotmail.co.uk>. * src/autofit/afshaper.c (af_shaper_buf_create, af_shaper_buf_destroy) [!FT_CONFIG_OPTION_USE_HARFBUZZ]: Don't allocate and free a four-byte buffer. Instead, make those functions no-ops; the calling functions will provide a pointer to a buffer instead. * src/autofit/afcjk.c (af_cjk_metrics_init_widths, af_cjk_metrics_init_blues, af_cjk_metrics_check_digits), src/autofit/aflatin.c (af_latin_metrics_init_widths, af_latin_metrics_init_blues, af_latin_metrics_check_digits) [!FT_CONFIG_OPTION_USE_HARFBUZZ]: Use pointer to local variable for `shaper_buf'. 2018-05-07 Nikolaus Waxweiler <madigens@gmail.com> [cmake] Allow using project as subfolder in other project. * CMakeLists.txt: Test for CMake build directory being different from source directory. Provide other parts of the build system access the full include directory. 2018-05-07 Werner Lemberg <wl@gnu.org> [build] Suppress configure's `nothing to be done' message. This is due to calling the configure script via `make' (within the top-level `configure' wrapper script). The same can happen for all other secondary make targets that are used to only modify the primary one, e.g., `make setup devel'. * builds/dos/detect.mk (emx, turboc, watcom, borlandc, borlandc16), builds/os2/detect (visualage, watcom, borlandc, devel), builds/unix/detect.mk (devel, lcc, unix), builds/windows/detect.mk (visualc, watcom, visualage, lcc, mingw32, bcc32, devel-bcc, devel-gcc): Use no-op recipe. 2018-05-04 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> Support symbol visibility features of Sun / Oracle C compilers. Reported by Kiyoshi Kanazawa: https://lists.gnu.org/archive/html/freetype-devel/2018-05/msg00008.html Thanks to the suggestions by Alexei and Alan Coopersmith. * builds/unix/configure.raw: Check if "-xldscope=hidden" is accepted, and if so, it is added to CFLAGS. This is the option making Sun / Oracle C compilers hide the symbols from global scope. * include/freetype/config/ftconfig.h: Use "__global" prefix for FT_EXPORT() macro, if SunPro C is newer than Sun ONE Studio 8 (2003). * builds/unix/ftconfig.in: Ditto. * builds/vms/ftconfig.h: Ditto. 2018-05-02 Nikolaus Waxweiler <madigens@gmail.com> Unbreak CMake Windows installation * CMakeLists.txt: Generate ftconfig.h on non-UNIX. 2018-05-02 Werner Lemberg <wl@gnu.org> Remove FT_CONFIG_OPTION_PIC and related code. */* [FT_CONFIG_OPTION_PIC]: Remove all code guarded by this preprocessor symbol. */*: Replace `XXX_GET' macros (which could be either a function in PIC mode or an array in non-PIC mode) with `xxx' arrays. * include/freetype/internal/ftpic.h, src/autofit/afpic.c, src/autofit/afpic.h, src/base/basepic.c, src/base/basepic.h, src/base/ftpic.c, src/cff/cffpic.c, src/cff/cffpic.h, src/pshinter/pshpic.c, src/pshinter/pshpic.h, src/psnames/pspic.c, src/psnames/pspic.h, src/raster/rastpic.c, src/raster/rastpic.h, src/sfnt/sfntpic.c, src/sfnt/sfntpic.h, src/smooth/ftspic.c, src/smooth/ftspic.h, src/truetype/ttpic.c, src/truetype/ttpic.h: Removed. ---------------------------------------------------------------------------- Copyright (C) 2018-2020 by David Turner, Robert Wilhelm, and Werner Lemberg. This file is part of the FreeType project, and may only be used, modified, and distributed under the terms of the FreeType project license, LICENSE.TXT. By continuing to use, modify, or distribute this file you indicate that you have read the license and understand and accept it fully. Local Variables: version-control: never coding: utf-8 End: