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163 Commits

Author SHA1 Message Date
Behdad Esfahbod 7c4e9080c0 [sanitize] Minor trace format fixup 
This likely() is unlikely to make a difference, and obscures
the return_trace() message by writing out "something" instead
of the true/false value.
 2022-07-11 21:52:41 -06:00
Behdad Esfahbod 050f169078 [GPOS/kerx] Call into impl namespace from kerx 2022-06-28 18:52:27 -06:00
Behdad Esfahbod 6d555ce82e [meta] Use std::forward instead of hb_forward() 2021-11-02 00:18:22 -06:00
Behdad Esfahbod c852b86841 Rename HBGlyphID to HBGlyphID16 2021-09-19 16:30:12 -04:00
Behdad Esfahbod ad28f973f3 Rename offset types to be explicit about their size 
Add Offset16To<>, Offset24To<>, and Offset32To<> for most use-cases.
 2021-03-31 13:00:07 -06:00
Ebrahim Byagowi 46ec6db965 minor 2020-07-22 17:30:48 +04:30
Ebrahim Byagowi d0e2addd43 minor 2020-07-18 22:16:02 +04:30
jfkthame 1e6027e29c
[aat] Correct array indexing when looking up actions in KerxSubTableFormat4 (#2539) 
* [aat] Correct array indexing when looking up actions in KerxSubTableFormat4.

- For action_type 0 and 1, there are 2 values per action record; for action_type 2, there are 4. So we need to account for these factors when indexing into the ankrData array.

Fixes https://github.com/harfbuzz/harfbuzz/issues/2531.
 2020-07-05 22:44:10 +01:00
Behdad Esfahbod e7c79e16b8
Merge pull request #2287 from simoncozens/instrumentation 
Add messages for GPOS/GSUB (take 2)
 2020-06-17 15:32:40 -07:00
Simon Cozens fe926970bc Reformat messages again 
Messages can be:

start/end table  XXXX
start/end lookup NNNN
start/end subtable NNNN (for kerx/kern)
start/end chainsubtable NNNN (for morx)
 2020-06-16 09:12:44 +01:00
jfkthame 100d40c827
[aat] Fix implementation of AAT kerning for Geeza Pro. (#2388) 
* [aat] Fix implementation of AAT kerning for Geeza Pro.

Despite what the comment in the code used to say, it appears that Geeza Pro
does rely on accumulating kerning values from successive subtables. With
this change, the results now match Core Text rendering (and avoid the clear
visual breakage reported in #2358).

Testcase: U+0644,U+064E,U+0645,U+064E,U+0651,U+0627

Fixes #2358.

* [aat] Update test expectations, add new testcase.
 2020-05-05 17:48:24 -07:00
Simon Cozens bef7ef81da Reformat kerx/morx instrumentation to 'verb noun identifier' 2020-03-30 16:39:43 +01:00
Ebrahim Byagowi 0558413f27 Minor, tweak spaces 2019-10-01 13:50:11 +03:30
Ebrahim Byagowi d512087e4d Rename GlyphID to HBGlyphID 
Avoid collision with macOS's ATSUnicodeTypes.h GlyphID
 2019-09-14 11:55:53 +04:30
Behdad Esfahbod 5902198cee [kerx] Fix offset issue in kern format 2 
Fixes tests with HB_VAR_ARRAY != 1, as done in previous commit.
 2019-09-06 21:36:31 -04:00
Ebrahim Byagowi a0b4ac4dce Turn 8 spaces to tab across the project 
According to the current code style of the project
 2019-08-27 02:40:41 +04:30
Behdad Esfahbod 83e3eabd84 Whitespace 2019-05-07 20:58:43 -07:00
Behdad Esfahbod 41248cce0e Remove MIN/MAX in favor of hb_min/hb_max 2019-05-07 20:54:31 -07:00
Behdad Esfahbod 36bb24f7b4 [dispatch] Forward arguments in all dispatch multiplexers 2019-05-05 10:14:17 -07:00
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