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68 Commits

Author SHA1 Message Date
Qunxin Liu af1e605be2 [instancer] bug fix 
It's possible that length of all_points equals to 4 for non-empty
glyphs: a composite glyph which contains only one child glyph that is
empty.
 2023-02-10 12:51:27 -07:00
Qunxin Liu 615595689c [subset/COLR] add tests for copying varStore 2023-01-27 12:21:52 -07:00
Qunxin Liu 73e6f6cc88 [instancer] enable the missing test 2023-01-24 17:28:51 -07:00
Qunxin Liu 27f72f0deb [instancer] avoid double free for compiled glyph bytes 
also increase the HB_GLYF_MAX_POINTS limit to 20000 cause the test file has a
.notdef glyph which is a composite glyph and has 10176 points after
get_points() call
 2023-01-24 17:28:51 -07:00
Garret Rieger 9fbe52b88d [subset] enable instancing tests by default. 2022-12-12 20:24:24 +00:00
Garret Rieger 2822b589bc [subset] Include instancing tests in distribution. 
Automatically enable them when the experimental api is enabled.
 2022-11-03 14:24:15 -06:00
Garret Rieger db22bfb3cc [subset] Remove Franklin from the tests which is not an open source font. 2022-10-17 13:15:47 -06:00
Garret Rieger 209d6aa2b7 [subset] Update make files for 32bit_var_store test. 2022-06-01 19:31:55 +01:00
Qunxin Liu 51655a078e [subset] COLR : only include glyphs after COLR closure 2021-12-06 13:29:21 -07:00
Qunxin Liu 74b46b29e7 [subset] MATH: don't serialize coverage table when iterator is empty 
when iterator is empty, just set coverage offset to 0.
serialize() in coverage will at lease write out a 16-bit format header.
 2021-12-03 08:00:33 -07:00
Qunxin Liu 903a6baece [subset] layout_features filtering fix 
we should not use get_size (), which returns length * item_size
 2021-11-25 11:24:41 -07:00
Qunxin Liu 84dc4e85e8 [subset] avoid writing out duplicate extra glyph names in post table 
Add check for possible duplicate with other name index
 2021-11-19 17:22:35 -07:00
Qunxin Liu ca418cac74 [subset] keep features that have FeatureParams and the tag is "size" 2021-11-19 13:31:25 -07:00
Qunxin Liu e88fc41ef3 [subset] inputSequence could be empty, change the sanity check 2021-11-19 12:57:43 -07:00
Qunxin Liu 540f19b6fe [subset] fix bug in (Chain)ContextFormat2 
Only keep rulesets for glyphs class numbers that survived in coverage
 2021-11-02 16:05:55 -07:00
Qunxin Liu 60e203644b [subset] use glyphset_gsub instead of glyphset for GDEF 2021-11-02 16:56:52 -06:00
Qunxin Liu 364b6b3989 [subset] Don't assume FeatureList is sorted 
Though the spec said FeatureRecords are sorted alphabetically by feature
tag, there're font files with unsorted FeatureList. And harfbuzz is not
able to subset these files correctly because we use binary search in
finding featureRecords when collecting lookups. Also
find_duplicate_features needs to be updated to handle this.
 2021-11-02 15:15:02 -07:00
Qunxin Liu 8c583db9b5 [subset] COLRv1: update subset() method for new strutc ClipList and VarIdxMap 
Also fix issues in struct PaintTransform definition
 2021-10-23 11:22:39 -07:00
Qunxin Liu ca7b9daef0 [subset] subset MATH table 2021-09-22 18:08:30 -04:00
Qunxin Liu 8c5c81746d [subset] fix find_duplicate_features 
We should check each feature against all other features with the same
tag for duplicates.
 2021-09-22 15:35:38 -06:00
Qunxin Liu 37379f8f7d [subset] fox for (Chain)ContextFormat3: subset lookupRecord 
skip copying a lookupRecord if lookup referenced in the lookupRecord is
not retained after subset
 2021-09-08 13:55:21 -06:00
Qunxin Liu 34e0b28fae [subset] make glyph-names option match fonttools behavior 
Don't encode psNames that are contained in standard glyph names set
 2021-08-20 01:30:23 -06:00
Garret Rieger e39c3bde7b [subset] fix bug in parsing glyf flags. 
the bytes of the flag stream were being treated as signed integers instead of unsigned as specified in the spec.
 2021-08-10 12:57:07 -06:00
Garret Rieger acbd8b27dc [subset] temporarily disable COLRv1 subsetting. 
Currently COLRv1 spec is being changed so the subsetting implementation is out of sync. Disable subsetting by failing sanitization for COLRv1 tables and disable all colrv1 tests.
 2021-07-28 11:36:34 -06:00
Garret Rieger deee24fbef [subset] Add missing FontName op code in top dict parsing. 
Fix for #3058
 2021-07-14 16:01:18 -06:00
Garret Rieger d2397d91f3 [subset] Add additional colrv1 subsetting tests that has a glyph with components. 2021-06-18 22:34:00 -07:00
Garret Rieger a08900b721 [subset] fix failing colrv0 subsetting when font has composite glyphs. 
Composite glyph collection was happening along side colrv0 glyph collection which meant it was possible to miss grabbing the component glyphs for a glyph added by colrv0.
 2021-05-10 15:33:54 -06:00
Garret Rieger c35d786397 [subset] never drop the 'pref' feature. 
Never ever drop feature 'pref', even if it's empty. Harfbuzz uses it to choose the shaper for Khmer.
 2021-04-01 16:27:35 -06:00
Garret Rieger 85b0728783 Add full variable font subsetting test. 2021-04-01 15:26:02 -06:00
Garret Rieger 2773d05740 [subset] Add a test case using NotoNastaliqUrdu. 2021-03-31 21:03:33 -06:00
Qunxin Liu 95230e291d [subset] support subsetting GSUB8 2021-03-29 15:54:11 -06:00
Qunxin Liu 0e1c0fa404 [subset] optimize glyph closure method: step 5 
add testcase and some fixes
 2021-03-17 15:22:07 -06:00
Garret Rieger 08a4997fde [subset] Add subset support for Extension lookups (GPOS 9, GSUB 7). 2021-02-11 13:41:31 -07:00
Behdad Esfahbod c7d232ce4e
Merge pull request #2701 from googlefonts/Mark-To-Ligature_grieger 
[subset] GPOS 5 MarkToLigature subsetting support
 2021-02-10 18:13:38 -07:00
Qunxin Liu 3a0b05faf1 [subset] GPOS 5 MarkToLigature subsetting support 2020-10-01 15:59:16 -07:00
Garret Rieger 7b77ce0507 [subset] Add subsetting integration test using Amiri. 
Demonstrates a failure in subsetting GPOS 8/GSUB 6.
 2020-09-24 16:35:59 -07:00
Ebrahim Byagowi 5193357832 Revert "Remove autotools build support" 
This reverts commit 01ac32aab2.
 2020-08-11 23:51:59 +04:30
Ebrahim Byagowi 01ac32aab2 Remove autotools build support 2020-08-07 23:28:12 +04:30
Ebrahim Byagowi 4e7cb7e2c4 minor, fix lists sorting 2020-06-12 01:38:16 +04:30
Qunxin Liu 973c47f6c9 [subset] Move 2 experimental public api methods to be private methods in GSUB/GPOS. 
2 methods are: hb_ot_layout_closure_lookups and hb_ot_layout_closure_features
 2020-06-12 01:20:30 +04:30
Qunxin Liu 3c5bdd9bb8 [subset] GDEF AttachList subsetting support 2020-05-28 16:22:13 -07:00
Qunxin Liu 593e58c842 [subset] ChainContext subsetting fix: add lookup index remapping 2020-05-27 16:58:15 -07:00
Qunxin Liu d7c012a08e [subset] GDEF Variation Store: step 2 
do subset based on variation indices collected in step 1
 2020-05-21 12:43:24 -07:00
Qunxin Liu 8b5d3ebd96 [subset] GSUB5/GPOS7 Contextual Subst/Pos Subtbale Subsetting support 2020-05-20 15:12:54 -07:00
Qunxin Liu b2a965df5e [subset] Add support for "--gids" option 
cmap subsetting now retains entries associated with any glyph ids explicitly requested
 2020-05-11 15:28:58 -07:00
Qunxin Liu e53c44e326 [subset] temporarily revert previous cmap commit 
Required in https://github.com/harfbuzz/harfbuzz/issues/2356
 2020-04-25 12:21:22 +04:30
Ebrahim Byagowi 29c903223b Move hb_ot_layout_closure_{features,lookups} behind EXPERIMENTAL flag 2020-04-17 22:25:45 +04:30
Qunxin Liu 5ad761b943 [subset] GDEF MarkGlyphSets subsetting support 2020-02-26 15:15:21 -08:00
Garret Rieger 411225426f Fix glyph closure for alternate substitution. 
It was not filtering on the glyphs to be retained.
 2020-02-21 13:01:23 +03:30
Qunxin Liu eb7849a806 [subset] GPOS6 MarkToMark subsetting support 2020-02-06 10:46:05 -08:00