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125 Commits

Author SHA1 Message Date
ebraminio 1f8b1e7f18
[ENOMEM] Return gracefully if stages isn't initialized correctly (#2639) 
This happens if calls to 'm.lookups[table_index].push ()' has been
silently failed due to lack of memory.

This change just returns gracefully instead issuing the assert.

Fixes https://crbug.com/oss-fuzz/24494
 2020-09-21 11:39:38 +03:30
Ebrahim Byagowi 122a2897e4 [aat] Remove lcar support 
Very low use, only two distinct font files, Apple Chancery.ttf and Hoefler Text.ttc
have it so it really doesn't worth the size addition and so, but one may argue that
whole ligature caret is low use but guess we better to encourage GDEF one anyway.
 2020-07-06 00:05:36 +04:30
Ebrahim Byagowi a3b9b94b63
[style] Remove fdsc support (#2541) 
It isn't exposed yet and low use between Apple fonts,
32 fdsc table vs 767 OS/2 tables, even Apple doesn't
support it anymore per Ned.
 2020-07-06 00:05:21 +04:30
Ebrahim Byagowi 22037499b4 [style] New experimental API, hb_style_get_value 
Searches variation axes of a hb_font_t object for a specific axis first,
if not set, then tries to get default style values from different
tables of the font.
 2020-06-04 20:33:39 +04:30
Ebrahim Byagowi ca2705f1fb [tests] Add more tests for _get_ligature_carets 2020-05-21 00:05:54 +04:30
ariza c05458ec7f update cff & cff2 subsetters 2020-03-05 01:22:51 +03:30
Ebrahim Byagowi 44169f3396
[draw] Fix invalid rendering of some glyph on Estedad-VF 
Basically reverts 11f3fca so I can do the same tested and better later

Fixes #2215
 2020-02-29 16:04:03 +03:30
Ebrahim Byagowi 1f5a54c768 [gvar] fix infinite loop introduced by 11f3fca 
The attempt on removing end_points had made the code unreadable
and has intrdouced infinite, fixed by making the code clear what
it tries to achieve.
 2020-02-24 14:30:07 +03:30
Ebrahim Byagowi 0cf050a7b1 [draw] Merge consequent move-to commands of CFF/CFF2 2020-02-23 23:23:50 +03:30
Ebrahim Byagowi 49341faee2 [fuzz] minor, move two fuzzer cases to their correct place 2020-02-12 19:17:18 +03:30
Ebrahim Byagowi 97229244eb [fuzzer] Fix hb-set-fuzzer minor overflow issue 
Size shouldn't be smaller than the struct not its pointer size.

Fixes https://crbug.com/oss-fuzz/20655
 2020-02-12 15:41:51 +03:30
Ebrahim Byagowi 3a98c7fae1 [glyf] Skip empty contours 
As https://savannah.nongnu.org/bugs/index.php?57701
 2020-02-06 11:35:48 +03:30
Ebrahim Byagowi 43253e404d Merge remote-tracking branch 'upstream/master' 2020-02-05 17:45:19 +03:30
ckitagawa-work 774725b43a
[subset] Avoid incorrectly dropping cmap for NotoColorEmoji.ttf 
NotoColorEmoji.ttf uses two cmap subtables

 Format 14 | Platform ID 0 | Platform Encoding ID  5
 Format 12 | Platform ID 3 | Platform Encoding ID 10

This combination results in the cmap table being dropped during subsetting despite being valid/required.
 2020-02-05 16:13:10 +03:30
ckitagawa e128f80278 parent 777ba47b50 
author ckitagawa <ckitagawa@chromium.org> 1579631743 -0500
committer ckitagawa <ckitagawa@chromium.org> 1580506176 -0500

[subset] Add CBLC support
 2020-01-31 16:37:30 -05:00
ckitagawa 7d542a5274 Refactor to two iterators 2020-01-29 10:21:00 -05:00
ckitagawa ed857c4680 [subset] Add COLR support 2020-01-28 15:35:53 -05:00
Ebrahim Byagowi 1438bae7a5 [ot-glyph] Add fontkit non variables fonts tests 2020-01-26 23:58:34 +03:30
Ebrahim Byagowi 99f8e52d5e [ot-glyph] Add fontkits's variations toSVG tests 2020-01-26 23:58:34 +03:30
Ebrahim Byagowi e44982f548 [ot-glyph] Add ttf-parser's outline_glyph tests 2020-01-26 23:58:34 +03:30
Ebrahim Byagowi 5532374f61 [ot-glyph] Add a test for #2053 2020-01-24 20:42:12 +03:30
Qunxin Liu c370da45ff [subset] Cmap table: remove encodingRecord entry for empty cmap4 subtable 2020-01-23 17:23:55 -08:00
ariza acb4627eba add api test 2020-01-23 10:50:52 -08:00
ariza 72cbfb9059 remove empty lookup subtables 
Added a variant of subset_offset_array which takes an extra arg passed to serialize_subset for this impl.
Added a new api test "test-subset-gpos" for this.
 2020-01-21 16:53:19 -08:00
ckitagawa 93376a6436 Add unittests 2020-01-15 13:36:01 -08:00
Qunxin Liu 1db2c1d0da fix for cmap4 and OS_2 subsetting: maximum character code allowed is 0xFFFF 2020-01-09 10:00:32 -08:00
blueshade7 ea8fdfa079 Merge branch 'master' into var-subset 2019-11-22 15:59:09 -08:00
Khaled Hosny dd288840d6 [cmap] Check GID before adding ranges in format 4 & 12 
Fixes https://github.com/harfbuzz/harfbuzz/issues/2031
 2019-10-29 02:09:13 +02:00
Michiharu Ariza b9ff43c162 Implement gvar table and variable glyf 
Split from Ariza's "[subset] TrueType/CFF2 variable font" work on #1594
 2019-10-06 08:58:40 +03:30
Ebrahim Byagowi 9ff32b79b3 Merge remote-tracking branch 'upstream/master' into glyf-rebase 2019-08-29 19:53:18 +04:30
Qunxin Liu 37572882e7 [subset] cmap table to use _subset2 and new iterator frameworks 2019-08-05 11:26:34 -07:00
blueshade7 6e3bfecf35 Merge branch 'master' into var-subset 2019-07-29 12:25:43 -07:00
Ebrahim Byagowi 3ac03bd67c [meta] New API, hb_ot_metadata_reference_entry for fetching meta entries 2019-07-25 17:49:51 -07:00
Ebrahim Byagowi 356b68a00a
[metrics] Add a test that actually practices variation (#1858) 2019-07-25 23:22:00 +04:30
blueshade7 386a4a64f5 regenerate subset api test result SourceHanSans-Regular.41,4C2E.retaingids.otf 2019-07-12 17:05:34 -07:00
blueshade7 670768e5b9 fix inc-bimap for subsetting VarStore with retain-gids 2019-07-12 16:14:23 -07:00
Michiharu Ariza 4ddab6facc Merge branch 'master' into var-subset 2019-06-05 11:21:27 -07:00
Garret Rieger 6555f20958 [subset] Truncate empty gids at the end in retain-gids mode. 2019-05-16 10:34:53 -07:00
Behdad Esfahbod 5ac4ab6868 [subset] fix for name table serializing with new serializer machinery 2019-05-07 10:59:03 -07:00
Michiharu Ariza 1223a352b7 Merge branch 'master' into var-subset 2019-04-29 16:43:48 -07:00
Qunxin Liu 1ca4b5c770 [subset] Add unit test for str de-dup 
Also move the implementation of some methods from the .cc to the .hh
 2019-04-26 15:24:47 -07:00
Qunxin Liu 6faac8df83 [subset] Subsetting Name Table Step 4 
Add unit test and integration test
 2019-04-26 15:24:47 -07:00
Michiharu Ariza 49fe81fdeb updated api test results for HVAR/VVAR subset changes 2019-04-17 11:48:12 -07:00
Michiharu Ariza 3e524bf772 fix VarData serialize to remove unused data sets 
add api test case for that
 2019-04-12 12:48:48 -07:00
Michiharu Ariza ab9d30965d Add tt var metrics test cases & bug fixes 2019-04-10 17:21:37 -07:00
Michiharu Ariza 0008963b28 add support of anchor point & SCALED/UNSCALED_COMPONENT_OFFSET 
some code cleanup
 2019-03-29 18:27:21 -07:00
Michiharu Ariza ae3db1f4e3 added api test for subset VVAR & bug fix 
added a mod copy of SourceSerifVariable-Roman.ttf with VVAR as a test font
 2019-03-29 18:27:08 -07:00
Michiharu Ariza fe5aa8b36c added TT VF full font test & fixed bugs 
updated CFF2 VF api test results too
 2019-03-29 18:26:46 -07:00
Michiharu Ariza 2bd2e656f9 update CFF2 test results 2019-03-29 18:26:20 -07:00
Michiharu Ariza dc10a7ef60 add gvar & HVAR retain-gids test cases 2019-03-29 18:26:20 -07:00