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Author SHA1 Message Date
Nikolaus Waxweiler
49f3394d7a [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 20:04:31 +01:00
Werner Lemberg
84d56589f0 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.
 2020-02-19 19:22:49 +01:00
Werner Lemberg
d09e831559 Minor. 2020-02-16 15:24:27 +01:00
Werner Lemberg
8930cc9618 * src/sfnt/ttcmap.c (tt_face_build_cmaps): Ignore version (#57708). 2020-02-12 18:25:03 +01:00
Werner Lemberg
4a19a53d5a * src/truetype/ttinterp.c (TT_RunIns): Adjust loop counter (#57732). 
The font that exceeds the old limit is Constantine, version 1.001.
 2020-02-04 13:37:19 +01:00
Werner Lemberg
e5038be704 Update all copyright notices. 2020-01-19 17:05:19 +01:00
Werner Lemberg
fd03cf8816 [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.
 2020-01-04 19:28:36 +01:00
Werner Lemberg
50b013871c Add reference to another oss-fuzz bug report. 2020-01-04 18:42:27 +01:00
Werner Lemberg
a99a8e2863 [woff2] Fix memory leaks and a runtime warning. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19773

* src/sfnt/sfwoff2.c (compute_ULong_sum): Add missing cast.
(reconstruct_hmtx): Add missing deallocation calls.
 2020-01-03 18:09:12 +01:00
Dominik Röttsches
10d8de7541 [truetype] Fix UBSan warning on offset to nullptr (#57501). 
* src/truetype/ttinterp.c (Ins_CALL): Fail if `exc->FDefs' is null.
 2020-01-02 11:14:01 +01:00
Nikhil Ramakrishnan
a4df0373c7 [woff2] Allow bitmap-only fonts (#57394). 
* src/sfnt/sfwoff2.c (reconstruct_font): Fix test for `glyf' and
`loca' tables.
 2019-12-31 16:04:01 +01:00
Hugh McMaster
496601e504 [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 19:18:54 +01:00
Hugh McMaster
237fed6d5a [docs] (1/2) Move static web assets (#56745). 
* docs/reference/*: Move ...
* docs: ... one directory up.
 2019-12-21 19:13:37 +01:00
Dominik Röttsches
8cee1dde4e 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'.
 2019-12-21 19:03:48 +01:00
Werner Lemberg
7e1b39f6cd [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'.
 2019-12-16 11:07:58 +01:00
Werner Lemberg
0c14a3adb0 [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'.
 2019-12-14 00:04:01 +01:00
Werner Lemberg
2c9a2d58ca 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.
 2019-12-13 23:56:25 +01:00
Dominik Röttsches
11d4ce23ac 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'.
 2019-12-09 13:11:41 +01:00
Werner Lemberg
dfc9a049de * src/truetype/ttinterp.c (TT_RunIns): Use `FT_OFFSET'. 
Reported as

  https://bugs.chromium.org/p/chromium/issues/detail?id=1030614
 2019-12-05 08:44:30 +01:00
Werner Lemberg
551bd3a90e 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'.
 2019-12-03 11:52:48 +01:00
Dominik Röttsches
4270e9f324 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'.
 2019-11-29 06:26:18 +01:00
John Stracke
d4f9c24989 [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 11:25:28 +01:00
Werner Lemberg
9df460b632 [truetype] Avoid sanitizer warning (#57289). 
* src/truetype/ttpload.c (tt_face_get_device_metrics): Use
`FT_OFFSET'.
 2019-11-23 11:09:40 +01:00
Armin Hasitzka
c67b9a1c5b [truetype] Fix integer overflow (#57287). 
* src/truetype/ttgload.c (compute_glyph_metrics): Use `SUB_LONG'.
 2019-11-23 11:01:18 +01:00
Ben Wagner
3cb7b3f7cb [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 10:54:51 +01:00
John Stracke
2d1d60aac6 [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 10:42:04 +01:00
Werner Lemberg
26d0f579c0 * 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 10:28:37 +01:00
Ben Wagner
9b0179597e [sfnt] Ensure OTTO fonts have tables (#57285). 
* src/sfnt/ttload.c (tt_face_load_font_dir): Add test.
 2019-11-23 10:07:48 +01:00
Behdad Esfahbod
07c8d8bbdb Minor fixes for recent compilers. 
* src/gzip/infutil.h (inflate_mask): Add `const'.

* src/autofit/aflatin2.c: Include `ft2build.h'.
 2019-11-23 10:00:02 +01:00
Nikolaus Waxweiler
3aaae716b2 CMakeLists.txt: minor doc additions, compile builds/unix/ftsystem.c on UNIX 2019-11-07 23:39:41 +00:00
Werner Lemberg
b75031a26e * 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
 2019-10-25 21:29:13 +02:00
Filip Filmar
0a3d2bb99b [doc] FT_Open_Args: Clarify the ownership of `pathname'. 
Don't expect the function to deallocate the buffer.  This may be obvious
in C, but it is not so obvious in FFI bindings for FreeType 2.
 2019-10-22 17:23:52 +02:00
Werner Lemberg
3b8bc65c50 * 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
 2019-10-22 08:07:05 +02:00
Alexei Podtelezhnikov
90a30f154a * src/sfnt/pngshim.c (premultiply_data): Optimize for __SSE__ only. 2019-10-10 22:04:50 -04:00
Werner Lemberg
545a481a74 * src/sfnt/sfwoff2.c (reconstruct_glyf): Check `triplet_size'. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18108
 2019-10-10 13:11:06 +02:00
John Tytgat
1e9229f0fc [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.
 2019-10-09 15:37:19 +02:00
Werner Lemberg
5a1a79c0e8 [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.
 2019-10-08 11:12:18 +02:00
Werner Lemberg
1167bff3e9 * src/sfnt/sfwoff2 (reconstruct_glyf): Fix reallocation. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18046
 2019-10-06 23:22:34 +02:00
Werner Lemberg
0fcf486e0d 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.
 2019-10-06 21:12:42 +02:00
Werner Lemberg
d355a73aa3 docs/DEBUG: Document environment variable `FT2_KEEP_ALIVE'. 
Also do some formatting and minor edits.
 2019-10-06 20:07:09 +02:00
Werner Lemberg
1f4e5bcb19 * src/sfnt/sfwoff2 (reconstruct_font): Fix reallocation. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17966
 2019-10-03 21:07:16 +02:00
Alexei Podtelezhnikov
c912690d22 * src/base/ftstroke.c (ft_stroker_inside): Speed up. 2019-09-30 22:45:34 -04:00
Werner Lemberg
94815d6efa * src/sfnt/sfwoff2 (woff2_open_font): Initialize `woff2.ttc_fonts'. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17804
 2019-10-01 00:15:25 +02:00
Werner Lemberg
839a023619 * 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 07:41:57 +02:00
Werner Lemberg
12696dcf9b [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.
 2019-09-30 07:27:55 +02:00
Werner Lemberg
ba06adafcd [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'.
 2019-09-29 13:29:21 +02:00
Werner Lemberg
c37a501458 * src/sfnt/sfwoff2.c (woff2_open_font): Fix sanity check. 
Correct thinkos in patch from 2019-09-01.
 2019-09-28 07:42:34 +02:00
Werner Lemberg
2bf603bde6 [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'.
 2019-09-28 07:38:16 +02:00
Alexei Podtelezhnikov
b39576f984 * src/base/ftstroke.c (ft_stroker_cap): Speed up caps. 2019-09-27 19:18:49 -04:00
Alexei Podtelezhnikov
432efa25b3 * src/base/ftstroke.c (ft_stroker_outside): Speed up clipped miter. 
* include/freetype/ftstroke.h: Wordsmith miter docs.
 2019-09-25 21:50:16 -04:00