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10666 Commits

Author SHA1 Message Date
Ebrahim Byagowi a32ecc15ae
Fix collect lookups logic of FeatureVariationRecord 
As "Offset to a feature table substitution table, from beginning of the FeatureVariations table."
from https://docs.microsoft.com/en-us/typography/opentype/spec/chapter2 the record should
match its sanitize logic not the reverse way.

Fixes https://crbug.com/oss-fuzz/20021 and https://crbug.com/oss-fuzz/20022
 2020-01-11 15:37:24 +03:30
Ebrahim Byagowi 1a4c658b43
Use REPLACEME tag 
So we can use the version we like when we decide what it should be while the next release
and can review the API before the release one other time.
 2020-01-11 01:30:05 +03:30
Ebrahim Byagowi d7454cf07e
[subset] closure lookups for GSUB/GPOS 2020-01-11 01:24:39 +03:30
Qunxin Liu 0b39c48064 [subset] closure lookups for GSUB/GPOS 2020-01-10 13:11:06 -08:00
Ebrahim Byagowi 42f4f1ea50 [ot-glyph] Add tests for hb_ot_glyph_decompose 2020-01-11 00:33:31 +03:30
Ebrahim Byagowi 06a1fcb3b4 [ot-glyphs] fix the tests 2020-01-10 23:12:30 +03:30
Ebrahim Byagowi 084a8182fb [ot-glyphs] Move CFF glyph decompose logic to their tables 
Thus making path decompose zero alloc on CFF/CFF2
 2020-01-10 22:56:43 +03:30
Ebrahim Byagowi 6118523502 [ot-glyph] move glyph decompose logic of glyf to itself 
One less vector allocation yet isn't zero alloc yet
which needs more work.
 2020-01-10 21:08:26 +03:30
Ebrahim Byagowi 017f606c83 [ot-glyph] rewrite the API 2020-01-10 20:44:15 +03:30
Evgeniy Reizner 9cd76813ab Fix malformed readme. (#2093) 2020-01-10 19:06:41 +03:30
Ebrahim Byagowi 05443e55bc [ot-glyph] Return empty path for empty faces 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi 6e7602c104 [ot-glyph] Fix leaks 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi 5b08596d60 [gvar] Don't apply anything when no coords is given 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi 742aaa1363 [ot-glyf] Fix leak issue 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi fddf79fc37 [glyf] minor 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi 0b559d750f [ot-glyph] Improve API names 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi af08f388ab [ot-glyph] Support CFF1's seac 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi 04ac7fb1c9 [ot-glyph] Add cff2 support 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi 5cc09c462b [ot-glyph] Initial cff1 support 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi 3dcba9f215 [ot-glyph] Redesign the API 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi b8b3ff1a02 [glyph] Don't copy, write directly into result 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi f883c31cce Implement glyph outline path API 
Got help from https://github.com/opentypejs/opentype.js/blob/4e0bb99/src/tables/glyf.js#L222
 2020-01-10 14:25:06 +03:30
Michiharu Ariza d2ab1ec65b fixes oss-fuzz 19978: Null-dereference READ (#2091) 2020-01-10 07:54:16 +03:30
Ebrahim Byagowi 5e55a6d691
[subset/hvar] minor 
not super excited about state of the code around, assuming was needed
so let's add this may unlikely check also.
 2020-01-09 23:40:40 +03:30
Ebrahim Byagowi 257a197ae7
Fail serialize when map has incorrect value 
fixes https://crbug.com/oss-fuzz/19956

am not super happy with the fix, guess we should do some check
before the memcpy anyway as @blueshade7 thinks also,
so let's have it or revert it when we have a better approach for the case.
 2020-01-09 22:55:45 +03:30
Qunxin Liu 1db2c1d0da fix for cmap4 and OS_2 subsetting: maximum character code allowed is 0xFFFF 2020-01-09 10:00:32 -08:00
Ebrahim Byagowi 8ed46c3678
[fuzz] minor, add another already fixed case 
https://crbug.com/oss-fuzz/19907
 2020-01-07 23:43:53 +03:30
Ebrahim Byagowi 341407f7a5
[fuzz] minor, upload another fixed case 
https://crbug.com/oss-fuzz/19878
 2020-01-07 09:10:24 +03:30
Ebrahim Byagowi 7950beecfc
[subset] Fix null pointer dereference in hvar/vvar subset (#2085) 
Rest of the code assumes there is at least one subtable, lets return here if not.

* https://crbug.com/oss-fuzz/19827
* https://crbug.com/oss-fuzz/19847
 2020-01-06 21:25:00 +03:30
Ebrahim Byagowi 8ed27757b1
Remove _POSIX_C_SOURCE definition from the project 
Added fpr suncc support but apparently is causing more issues
even on suncc so let's see if we can go without it.

Fixes #2084
 2020-01-06 19:01:13 +03:30
Ebrahim Byagowi e7d1aeb610
[hvar] minor, fix unlikely statement 2020-01-06 12:48:22 +03:30
Ebrahim Byagowi 57b1534198
[glyf] minor, fix unlikely statements 2020-01-06 12:46:50 +03:30
Ebrahim Byagowi 9e48c6e9ef minor, use private API of hb_set_t where possible 2019-12-31 15:57:39 +03:30
Ebrahim Byagowi ce114d6b27 minor, tweak spaces 2019-12-31 15:53:02 +03:30
Ebrahim Byagowi 33c3d63a0a
Merge pull request #1594 from harfbuzz/var-subset 
Issue 1558: [subset] TrueType/CFF2 variable font
 2019-12-31 13:52:50 +03:30
Khaled Hosny 68c1798a67 [coretext] Use kCTFontOpenTypeFeatureTag 
Instead of trying to map OpenType features to AAT feature selectors
which only works for a small subset of OpenType features, use the
simpler kCTFontOpenTypeFeatureTag with OpenType feature tags directly.

With this change, features like cvXX can be enabled in coretext shaper,
while they were previously ignored due to missing mapping.

This seems to work even with AAT fonts that don’t have OpenType layout
tables, which suggests that CoreText is doing the mapping itself in this
case.

kCTFontOpenTypeFeatureTag seems to have been introduced in macOS 10.10
and iOS 8.0, though, so its use is conditional on version check for now.
Not sure how to check iOS version, so I left this out.
 2019-12-22 06:27:48 -08:00
Marcel Fabian Krüger b28c282585 Check to avoid overflows 2019-12-16 18:08:22 -08:00
Marcel Fabian Krüger d70afb1e5a Clamp max_ops to upper bound in hb-sanitize.hh 2019-12-16 18:08:22 -08:00
Behdad Esfahbod aa43e183dd [perf Add texts/en-words.txt 
$ cat docs/usermanual-*.xml src/hb*.cc src/hb*.{h,hh,cc} | sed 's/[^a-zA-Z ]/ /g' | tr ' ' '\n' | sort | uniq | grep . > perf/texts/en-words.txt
 2019-12-16 17:48:07 -08:00
Ebrahim Byagowi 80762cc4d0
[ci] Speedup tsan bot 
We don't expect fails thus expecting readable failure backtrace so let's speed it up instead
 2019-12-15 23:21:10 +03:30
Evgeniy Reizner b79ceac3c6 Prefer UINT_MAX instead of uint overflow. 
Also, prefer HB_FEATURE_GLOBAL_START and HB_FEATURE_GLOBAL_END.
 2019-12-15 11:46:05 -08:00
Evgeniy Reizner b618e0ae13 Remove non-breaking spaces from comments. 
`0xC2A0` was used, for some reasons. It's not really a problem, but Qt Creator
constatly trying to replace them with regular spaces, so I have to edit those
files separately.
 2019-12-15 10:12:22 -08:00
Evgeniy Reizner 780d640c02 Remove unnecessary check in hb_buffer_t::set_masks. 
Bounds are already checked by the caller.

Closes #2073
 2019-12-15 10:08:38 -08:00
Evgeniy Reizner 34ed8e7218 Prefer _hb_glyph_info_is_unicode_mark where possible. 2019-12-13 08:55:34 +03:30
Ebrahim Byagowi 3e1a2632dc
[unscribe] fix leak issue 
with no user_data provided, `free` will be called with `(0)` thus silently having a leak
 2019-12-12 15:48:27 +03:30
Ebrahim Byagowi e75d785b51
[doc] fix hb_blob_create call example 
otherwise free(0) will be called that silently makes a leak
 2019-12-12 15:42:37 +03:30
Daeren 4ef597e170 Fix unary minus operator applied to unsigned int 
Applying unary minus operator to unsigned int causes the following error on MSVS: error C4146
This patch fixes the error.
 2019-12-11 09:19:28 -06:00
Daeren 1770493cf5 Fix unary minus operator applied to unsigned int 
Applying unary minus operator to unsigned int causes the following error on MSVS: error C4146
This patch fixes the error.
 2019-12-11 09:19:19 -06:00
Behdad Esfahbod a061e47fcc Change a few HB_INTERNAL static methods to static inline 2019-12-10 13:31:50 -06:00
Behdad Esfahbod dd3972a364 [GSUB] Simplify Extension is_reverse() 
We don't allow extension lookups to chain to another extension lookup.
Simplify code for that.
 2019-12-10 13:28:39 -06:00