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144 Commits

Author SHA1 Message Date
Ebrahim Byagowi 92588782d7
Remove space between right angle brackets now that we have C++11 (#1689) 2019-04-30 13:05:10 -07:00
Behdad Esfahbod b976940243 [AAT] Handle transition errors during machine operation 
Before we used to give up.  Now, just ignore error and continue processing.

Fixes https://github.com/harfbuzz/harfbuzz/issues/1531
 2019-01-24 18:01:07 +01:00
Behdad Esfahbod 1ec90514f6 [AAT] Minor 2019-01-24 17:21:41 +01:00
Behdad Esfahbod 5d4b0377b9 Convert unsigned enum class consts to static constexpr 
Part of https://github.com/harfbuzz/harfbuzz/issues/1553
 2019-01-22 12:17:26 +01:00
Behdad Esfahbod ef00654962 Convert tag enum class consts to static constexpr 
Part of https://github.com/harfbuzz/harfbuzz/issues/1553
 2019-01-22 12:17:26 +01:00
Behdad Esfahbod 39e1b6d03f Convert boolean enum class consts to static constexpr 
Part of https://github.com/harfbuzz/harfbuzz/issues/1553
 2019-01-22 12:17:26 +01:00
Behdad Esfahbod 7e6bd510fc Use NNOffsetTo<> in rest of places 2019-01-17 18:24:18 -05:00
Behdad Esfahbod 347ad454b8 [AAT] Remove unused code 2019-01-17 17:47:29 -05:00
Behdad Esfahbod a262eb3d0b [aat] Minor 2019-01-17 14:06:32 -05:00
Ebrahim Byagowi e412008599 Remove redundant void from C++ sources (#1486) 2018-12-17 13:01:01 -05:00
Ebrahim Byagowi b2ebaa9afa Remove redundant 'inline' from methods (#1483) 2018-12-16 14:08:10 -05:00
Behdad Esfahbod 5c4fead734 Convert "static const hb_tag_t" constants to enum 2018-11-29 15:05:47 -05:00
Behdad Esfahbod 9e4138c825 Convert misc "static const" constants to enum 2018-11-29 15:01:10 -05:00
Behdad Esfahbod 44cbd2ea3d Convert "static const bool" constants to anonymous enum 2018-11-29 14:56:27 -05:00
Behdad Esfahbod 42a2b496e4 [kerx] Fix Format2 index calc again 2018-11-28 15:24:30 -05:00
Behdad Esfahbod a3267cf803 [kern] Fix kern table Format2 offsetToIndex 
Fixes https://github.com/harfbuzz/harfbuzz/issues/1421
 2018-11-28 15:06:01 -05:00
Behdad Esfahbod f9a9c0fd1e [kerx] Fix ClassTable implementation for 'kern' table Format 2 2018-11-28 14:51:56 -05:00
Behdad Esfahbod c5a6b355e1 [kerx] Port to hb_sanitize_with_object_t 2018-11-24 23:49:23 -05:00
Behdad Esfahbod b3c5affc05 Simplify sanitize set_object() 2018-11-24 23:34:34 -05:00
Behdad Esfahbod c8a2dc820e Revert "[aat.kerx] Remove kerx subtable boundary enforcement" 
This reverts commit 15905a2a29.
 2018-11-24 22:16:53 -05:00
Behdad Esfahbod 15905a2a29 [aat.kerx] Remove kerx subtable boundary enforcement 
Have not encountered fonts needing this, but same reasoning as
for morx (see previos commit.)
 2018-11-24 17:14:39 -05:00
Behdad Esfahbod 20edc70d53 [morx/kerx] Fix sanitize regression 
Broke in 8dcc1913a1

If sanitizer is left with another object, it wouldn't work.

Better fix coming soon.
 2018-11-24 14:53:05 -05:00
Behdad Esfahbod 8dcc1913a1 [kerx/morx] Make sure object length is sanitized before accessing it 2018-11-24 09:48:06 -05:00
Behdad Esfahbod 30cb45b3ea Change ArrayOf.bsearch() return semantics 
Towards consolidating all array bsearch/...
 2018-11-24 00:48:26 -05:00
Behdad Esfahbod 9552f4ef0d [kern] Don't enforce length of last subtable 2018-11-23 15:24:17 -05:00
Behdad Esfahbod 748962264a [aat] Disable mark advance zeroing if kern table has state-machines 
Geeza Pro for example, relies on that for fancy mark positioning.

Fixes https://github.com/harfbuzz/harfbuzz/issues/1405
 2018-11-23 11:10:17 -05:00
Behdad Esfahbod 758c9d68e2 [morx/kerx] Limit range to subtable when sanitizing 2018-11-22 22:16:12 -05:00
Behdad Esfahbod a9fe787a11 [sanitizer] Add reset_object(), make set_object() do bounds-check 
Affects morx/kerx run-time only currently.  Will adjust their sanitize next.
 2018-11-22 22:12:36 -05:00
Behdad Esfahbod 2c8188bf59 [kerx] Make sure subtables are non-zero-length 
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11400
 2018-11-22 22:02:19 -05:00
Behdad Esfahbod 274f4c726f Rename check_array2() to check_array() 2018-11-12 14:24:36 -05:00
Behdad Esfahbod c8f4cc4927 [kerx] Fix integer overflow in multiply 
Fixes https://oss-fuzz.com/v2/testcase-detail/5754863779053568
 2018-11-12 14:11:29 -05:00
Behdad Esfahbod 1300f027a9 [kerx] Minor tweak on previous commit 2018-11-12 13:56:48 -05:00
Behdad Esfahbod a549aa14a0 [kerx] Protect against stack underflow 
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11367
 2018-11-12 13:02:39 -05:00
Behdad Esfahbod 752bd8a192 [kerx] Fix Format1 tupleKern sanitization 
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11312
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11305
 2018-11-10 21:13:32 -05:00
Behdad Esfahbod b18a56a290 [kerx] Comment 2018-11-07 18:13:22 -05:00
Behdad Esfahbod 006386be3a [kern] Implement negative state numbers 
Let the fuzzing bots rip this code apart...
 2018-11-07 18:04:53 -05:00
Behdad Esfahbod 9af983af24 [kern] Switch to dispatch 2018-11-07 16:03:09 -05:00
Behdad Esfahbod bc06e2805a [kerx/kern] Add has_cross_stream() 2018-11-07 16:02:40 -05:00
Behdad Esfahbod ea579f9ccc [kerx] Fix peculiar indexing that was needed previously 
Not needed now that we use GPOS attachment for cursive kerx.
 2018-11-07 15:50:23 -05:00
Behdad Esfahbod 7a9629f2f1 [kerx] Implement CrossStream kerning for non-state-machine subtables 
Untested.
 2018-11-07 14:52:57 -05:00
Behdad Esfahbod 0eb4157011 [kerx] Disable backwards-kerning for non-state-machine tables 
That's what the spec says for Backwards flag, only applicable to
formats 1 and 4.
 2018-11-07 14:42:15 -05:00
Behdad Esfahbod b2f687c256 [kerx] Use GPOS attachment facilities for CrossStream kerning 2018-11-07 14:38:29 -05:00
Behdad Esfahbod e10a856eb2 [kerx] Format 2018-11-07 14:11:48 -05:00
Behdad Esfahbod 649cc3ef27 [kerx] Don't disable crossKerning if kern feature is off 2018-11-07 14:07:13 -05:00
Behdad Esfahbod 0c3b061ac2 [kern] Apply erlier, where GPOS/kerx are applied 2018-11-07 13:58:41 -05:00
Behdad Esfahbod f4bad0086e [kerx] Implement tupleKerning for Format1 
Untested.
 2018-11-07 13:51:17 -05:00
Behdad Esfahbod 39b4ef6f18 [kerx] Better sanitize tupleKerning 2018-11-07 13:48:45 -05:00
Behdad Esfahbod 14772da06f [kern/kerx] Share KernTable, renamed to KerxTable 2018-11-07 13:40:22 -05:00
Behdad Esfahbod db6e658e8c [kern/kerx] More towards sharing KernTable 2018-11-07 13:33:23 -05:00
Behdad Esfahbod 8e9f6cd0fd [kerx] More minor 2018-11-07 12:49:20 -05:00