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12256 Commits

Author SHA1 Message Date
Cameron Cawley 6ea6c581ed Remove direct link to dwrite from meson scripts 2021-10-23 13:19:39 -07:00
Cameron Cawley ecbe224743 Revert "[hb-directwrite] Don't load dwrit.dll dynamically" 
This reverts commit 6119ff9d80.
 2021-10-23 13:19:39 -07:00
Behdad Esfahbod 4262636926
Merge pull request #3248 from googlefonts/connected_components 
[repacker] Keep connected subgraphs in the same space.
 2021-10-23 13:18:22 -07:00
Qunxin Liu f55d834736 [subset] Move struct DeltaSetIndexMap into hb-ot-var-common.hh 
Also fix naming issues in review comments
 2021-10-23 11:22:39 -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 e51c7f8e79 [subset] COLRv1: add ClipList/ClipRecord/ClipBox struct definition 2021-10-23 11:22:39 -07:00
Qunxin Liu 2e5636eeaf [subset] add DeltasetIndexMap struct definition 2021-10-23 11:22:39 -07:00
Qunxin Liu d2e986fead [subset] update COLRv1 table struct definitions 2021-10-23 11:22:39 -07:00
Khaled Hosny 792ca307b0 [meson] Add graphite2 option and deprecate graphite 
Fixes https://github.com/harfbuzz/harfbuzz/issues/3241

Should be better handled when we can use https://github.com/mesonbuild/meson/pull/9184
 2021-10-23 10:59:02 -07:00
Behdad Esfahbod c6557747ef [style] Use head->macStyle.isExtended in style fallback 
https://github.com/harfbuzz/harfbuzz/issues/3263
 2021-10-21 09:56:47 -06:00
Behdad Esfahbod f3f848b506 [head] Add is_expanded() internally 
Fixes https://github.com/harfbuzz/harfbuzz/issues/3263
 2021-10-21 09:54:02 -06:00
Garret Rieger d17155f5d2 [repacker] use possibly updated root idx after isolate_subgraph. 
isolate_subgraph can change the root indices in some cases. So operations after the isolation need to use the roots from the output of isolate_subgraph.
 2021-10-13 14:40:00 -07:00
Behdad Esfahbod a7a3608553 [docs] Rename overflow_resolution to repacker 2021-10-12 16:11:25 -07:00
Behdad Esfahbod 9bd7ba5019 Err on -Wbitwise-instead-of-logical 
Part of https://github.com/harfbuzz/harfbuzz/pull/3256
 2021-10-12 16:10:31 -07:00
Garret Rieger 6bc64317ca Add a writeup of the overflow resolution algorithm in harfbuzz. 2021-10-12 17:10:07 -06:00
Nico Weber 96299d70ed Fix Wbitwise-instead-of-logical warnings 
`a || b` only evaluates b if a is false. `a | b` always evaluates
both a and b. If a and b are of type bool, || is usually what you
want, so clang now warns on `|` where both arguments are of type bool.

This warning fires twice in harfbuzz. In both cases, `|` is used
intentionally, with a comment explaining this.

Slightly reorder the code a bit to make the compiler happy, and to
make it obvious even without a comment that both calls should be evaluated.

No intended behavior change.
 2021-10-12 08:56:54 -06:00
faywong b621c4fc29 [subset] Refine the coding style 2021-10-11 13:07:12 -06:00
faywong f8538d3117 [subset] Export header & archive when HB_BUILD_SUBSET 
Ease the adopt of hb-subset feature for 3rd party developers
 2021-10-11 13:07:12 -06:00
Qunxin Liu 36ed56b6e8 [subset] code cleanup 
- rename copy() method if it takes extra parameter
- get rid of same code blocks
 2021-10-09 13:37:20 -06:00
David Corbett 3e635cf5e2 [USE] Categorize characters that only have AJT 2021-10-09 07:53:48 -06:00
David Corbett ae193cd182 [USE] Insert dotted circles before lone viramas 2021-10-09 07:50:09 -06:00
David Corbett 641296b5eb [USE] Categorize U+11046 BRAHMI VIRAMA as HALANT 2021-10-09 07:50:09 -06:00
Behdad Esfahbod cca42cda46
Merge pull request #3249 from harfbuzz/use-merge-s-o 
[USE] Merge the categories S and O
 2021-10-08 13:10:21 -06:00
David Corbett bb50aae9b4 [USE] Document customizations of USE categories 2021-10-08 13:25:46 -04:00
David Corbett 7287125c58 [USE] Merge the categories S and O 2021-10-08 13:14:33 -04:00
David Corbett 8eaee2f887 [USE] Only skip default ignorables within CCSes 2021-10-08 10:15:08 -06:00
David Corbett 4645c3b47c Update comments for U+180F FVS4 2021-10-07 08:52:02 -04:00
Garret Rieger 5b882c420a [repacker] performance optimizations for topological sorting. 
- Presize the output sorted graph and write it once in the correct order to avoid needing to reverse.
- Swap the old/new graph vectors instead of copying.
- Use a boolean vector for tracking visited instead of a set.
 2021-10-06 11:43:47 -07:00
Garret Rieger ff7a86e9b0 [repacker] remove clone buffer, they are unnessecary. 
When nodes are duplicated it's fine to just reuse head, tail from the node being cloned since we don't modify the contents.
 2021-10-06 10:51:45 -07:00
Garret Rieger 8cae8b653d [repacker] add missing fini for parents vector. 2021-10-05 14:03:02 -07:00
Garret Rieger 7f0ede4f04 [repacker] refactor resolve overflow tests to use a helper. 2021-10-05 13:10:01 -07:00
Garret Rieger 79937d24b7 [repacker] Add repacker test that requires space splitting. 2021-10-05 12:53:21 -07:00
Garret Rieger 7883b7ed95 [repacker] Add additional splitting spaces test. 
Fix issues it uncovered.
 2021-10-05 12:46:59 -07:00
Garret Rieger 6265663de4 [repacker] add test for splitting spaces. 2021-10-05 11:30:04 -07:00
Garret Rieger d97bd4268a [repacker] when assigning spaces use post isolation node indices. 
isolate_subgraph can result in some of the roots being duplicated and moved to new indices, so do subgraph isolation before assign roots to spaces.
 2021-10-05 10:53:05 -07:00
Khaled Hosny bb57df7a4f [test] Add test for https://github.com/harfbuzz/harfbuzz/issues/2757#issuecomment-933531978 2021-10-05 16:04:10 +02:00
Khaled Hosny 1624550377 [test] Add test for https://github.com/harfbuzz/harfbuzz/issues/3244 2021-10-05 16:04:10 +02:00
Behdad Esfahbod ccfc048153 [indic] Apply 'calt' and 'clig' across syllable boundaries 
Fixes https://github.com/harfbuzz/harfbuzz/issues/3244
 2021-10-05 07:00:50 -06:00
Behdad Esfahbod d58f1685ce [ot-shape] Tweak table order some more; apply GPOS with morx 
During 5bc05ba155 accidentally GPOS was disabled when morx was
enabled. Fix that.

Fixes https://github.com/harfbuzz/harfbuzz/issues/2757#issuecomment-933531978
 2021-10-04 08:40:24 -06:00
David Corbett f8ebb8a657 [USE] Update the data files 
This uses the data files from
<c355d04194/USE>.
 2021-10-04 08:14:20 -06:00
David Corbett 564afc425a [USE] Remove overrides for hieroglyphic categories 2021-10-04 08:14:20 -06:00
David Corbett 8c65442069 [Unicode 14] Handle U+180F FVS4 2021-10-04 08:14:20 -06:00
Garret Rieger 375a6c8f81 [repacker] add the ability to move subgraphs from a shared space into their own space. 
Used to resolve overflows during manual resolution.
 2021-09-29 18:14:57 -07:00
Garret Rieger 0dccbf368f [repacker] Handle the case where a subgraph root has an incoming 32 and 16 bit edge. 
In this case the entire subgraph from that root will be duplicated.
 2021-09-29 14:28:27 -07:00
Qunxin Liu 794b00db4b [subset] fuzzer fix: https://oss-fuzz.com/testcase-detail/6616166961905664 2021-09-29 10:29:06 -06:00
Garret Rieger 816c5302a7 [repacker] restrict 32 bit subgraph connected component search to only nodes reachable via directed links. 2021-09-28 16:04:27 -07:00
Garret Rieger 67eb222b8e [repacker] when assigning each connected subgraph a space, also isolate it. 
This will break any links coming from space 0 (ie. the 16 bit offset only space).
 2021-09-28 13:54:54 -07:00
Garret Rieger 307acf7fb0 [repacker] add space assignment based on connected components. 
Assign each connected component that is underneath one or more 32 bit offsets into a unique space. This ensures that 32 bit subgraphs which are connected are packed into the same space.
 2021-09-28 12:08:18 -07:00
Garret Rieger c77bdf1dcf [repacker] begin storing each nodes parents. 
Will be used for connected component search.
 2021-09-27 14:42:54 -07:00
Garret Rieger a52c6df38a [subset] Fix bug in composite operation counting. 
Adding the result of add_gid_and_children to operation count over counts the number of operations.
 2021-09-27 14:18:36 -06:00