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Author SHA1 Message Date
Armin Hasitzka
b77826e139 Triage 8ea854bfe9. 2019-02-21 10:23:15 +00:00
Armin Hasitzka
8ea854bfe9 [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 10:14:57 +00:00
Armin Hasitzka
5e3a38b194 [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
 2019-02-21 10:04:28 +00:00
Werner Lemberg
a346abc093 s/..../'....'/ for SFNT table tags in documentation. 2019-02-21 09:19:47 +01:00
Werner Lemberg
8de11f3def s/NULL/NULL/ in documentation. 2019-02-20 16:19:19 +01:00
Werner Lemberg
f92fa39341 Minor documentation fixes. 2019-02-20 16:04:48 +01:00
Werner Lemberg
de8de1ce0e Minor (whitespace, spelling, doc update). 2019-02-20 12:48:36 +01:00
Wink Saville
0ac6921109 * src/autofit/afwarp.h (af_warper_compute): Fix declaration. 2019-02-16 07:05:39 +01:00
Werner Lemberg
29b302ad36 Minor. 2019-02-16 07:05:24 +01:00
Werner Lemberg
b66d6a9112 CHANGES: Document recent metrics change from Nikolaus. 2019-02-06 07:38:25 +01:00
Nikolaus Waxweiler
a6feefdfef [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 e.g. the default
outlines were used as the regular face and instances for everything else.

* src/truetype/ttgxvar.c (tt_apply_mvar): Implement.
 2019-02-02 15:50:57 +00:00
Nikolaus Waxweiler
f72b00746c [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.
 2019-02-02 15:45:31 +00:00
Werner Lemberg
f686ad46a3 Update copyright years. 2019-01-22 20:31:44 +01:00
John Tytgat
f61f49fef7 [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.
 2019-01-18 13:25:23 +01:00
Alexei Podtelezhnikov
1e7a8f30c2 [psaux, type1] Align tracing. 2019-01-08 20:54:13 -05:00
Chris Liddell
b75abeb5e6 [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'.
 2019-01-08 20:51:39 -05:00
Nikhil Ramakrishnan
2875ada197 Minor documentation fix. 2018-12-30 20:02:08 +05:30
Werner Lemberg
b89166cc4d * src/autofit/aflatin2.c: Some fixes from `aflatin.c' (#55310). 2018-12-29 08:55:01 +01:00
suzuki toshiya
0238237508 * builds/mac/README: Fix a hyperlink to defunct www.gyve.org. 2018-12-26 12:04:39 +09:00
Werner Lemberg
afa043de9c Fix links (mostly http -> https). 2018-12-25 22:44:05 +01:00
Werner Lemberg
5e02965905 * src/psaux/cffdecode.c (cff_operaor_seac): Fix numeric overflow. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11915
 2018-12-25 19:24:06 +01:00
Werner Lemberg
ec439711b1 [gxvalid] Fix compiler warnings. 
* src/gxvalid/gxvjust.c (gxv_just_check_max_gid),
src/gxvalid/gxvmort.c (gxv_mort_coverage_validate): Use `FT_UNUSED'.
 2018-12-12 19:59:42 +01:00
Werner Lemberg
e8bbef85c0 Fix documentation of TrueType bytecode interpreter debug hook. 2018-12-12 14:05:47 +01:00
Werner Lemberg
2b4e61e4d6 Minor documentation fixes. 2018-12-12 09:36:39 +01:00
Werner Lemberg
3e8a2283f5 * 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.
 2018-12-11 23:54:17 +01:00
Werner Lemberg
0c83ba6d61 Minor documentation updates and fixes. 2018-12-10 12:14:13 +01:00
Alexei Podtelezhnikov
d01e28f41f Important doc fix. 2018-12-06 08:12:27 -05:00
Werner Lemberg
f1b6183f36 [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.
 2018-12-04 11:51:15 +01:00
Alexei Podtelezhnikov
456e9c8fce * builds/windows/visualc/freetype.dsp: Dust off. 2018-12-02 23:40:55 -05:00
Nikhil Ramakrishnan
c1e58b4d93 * include/freetype/ftmm.h: Minor. 2018-11-29 12:57:35 +05:30
Alexei Podtelezhnikov
3dd4e76b19 * builds/windows/vc2010/freetype.vcxproj: Simplify. 2018-11-27 23:22:52 -05:00
Chris Liddell
78a1e69517 [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 22:24:06 +01:00
Ben Wagner
1fc6937f7f [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 18:02:44 +01:00
Ben Wagner
74cdd75f6f [truetype] Fix numeric overflow (#55103). 
* src/truetype/ttgload.c (compute_glyph_metrics): Use `SUB_LONG'.
 2018-11-27 17:56:25 +01:00
Alexei Podtelezhnikov
1c4004bb34 [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.
 2018-11-25 23:19:39 -05:00
Armin Hasitzka
55b35cd611 * src/cff/cffparse.c: Please the compiler. 2018-11-22 11:43:48 +00:00
Armin Hasitzka
642bc7590c [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.
 2018-11-22 10:29:35 +00:00
Alexei Podtelezhnikov
81f43a9d36 * builds/windows/{visualc,vc2005,vc2008}/freetype.vcproj: Fix it. 2018-11-18 14:47:32 -05:00
Alexei Podtelezhnikov
8d517e679b Clarification. 2018-11-10 15:47:48 -05:00
Alexei Podtelezhnikov
78db9eecff [smooth] Placeholder only for library-enabled LCD filtering. 
* src/smooth/ftsmooth.c (ft_smooth_init): Add disabled
`FT_Library_SetLcdFilter' call.
 2018-11-10 15:39:19 -05:00
Werner Lemberg
58e48e9287 [psaux] Add safety guard (#54985). 
* src/psaux/psobjs.c (cff_builder_close_contour): Do it.
 2018-11-09 12:14:35 +01:00
Alexei Podtelezhnikov
3b6e65f7bf * builds/unix/configure.raw: Require `windows.h' for windres. 2018-11-08 23:36:37 -05:00
Alexei Podtelezhnikov
181033d396 [ftstroke] Fix unpredictable failures (#54986). 
* src/base/ftstroke.c (ft_sroke_border_lineto): Fix lineto check.
 2018-11-08 21:04:56 -05:00
Alexei Podtelezhnikov
81c31f62cb [ftstroke] Fix unpredictable failures (#54976). 
* src/base/ftstroke.c (ft_sroke_border_close): Set the start tags.
 2018-11-08 07:54:47 -05:00
Ben Wagner
fb0d66d04c [truetype] Fix VF check from 2018-09-12 (#54973). 
* src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Use correct
offsets for estimates.
 2018-11-07 00:47:44 +01:00
Werner Lemberg
fbd2452346 [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 11:15:31 +01:00
Werner Lemberg
5b86f53dd6 [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.
 2018-11-06 11:08:41 +01:00
Alexei Podtelezhnikov
cc288e383b Minor. 2018-11-04 22:09:16 -05:00
Alexei Podtelezhnikov
1f43affc09 * src/truetype/ttgxvar.c: Use enum definitions. 2018-11-04 13:11:16 -05:00
Alexei Podtelezhnikov
d95a12b88d * src/truetype/ttgxvar.c (ft_var_apply_tuple): Adjust condition. 2018-11-03 23:02:58 -04:00