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8502 Commits

Author SHA1 Message Date
Ebrahim Byagowi 6b8178c649
[glyf] minor 2018-11-10 02:42:08 +03:30
Michiharu Ariza 8798416587 fixed vstem handling (lack thereof) in check_width 
bug exposed by U+2261 equivalence in SourceCodePro-Regular.otf
 2018-11-09 08:59:18 -08:00
Behdad Esfahbod 5f97fe9956 Fix a few MSVC 2008 warnings 
https://github.com/harfbuzz/harfbuzz/issues/1374
 2018-11-09 10:01:50 -05:00
Behdad Esfahbod f51bb6ee7b
Merge pull request #1358 from ebraminio/lcar 
Hook AAT's lcar to _get_ligature_carets
 2018-11-08 14:42:40 -05:00
Ebrahim Byagowi b986fead0a Hook AAT's lcar to _get_ligature_carets 2018-11-08 23:06:26 +03:30
Ebrahim Byagowi 2d987110c0
[aat] Minor 2018-11-08 21:46:26 +03:30
Behdad Esfahbod 9fae611740 [test/text-rendering-tests] Update from upstream 2018-11-08 12:26:38 -05:00
Ebrahim Byagowi b989507fa6
[aat] Minor (#1369) 2018-11-08 20:48:54 +03:30
Michiharu Ariza 26c291aaa0 Merge branch 'master' into cff-subset 2018-11-08 09:06:49 -08:00
Michiharu Ariza 417963dd9f got rid of Remap::fullset() as incorrect, redundant, inefficient 2018-11-08 09:01:20 -08:00
Ebrahim Byagowi f90423847b
[just] Initial table implementation (#1364) 
A starting point, its sanitization is not tested however
 2018-11-08 19:17:02 +03:30
Ebrahim Byagowi b8b00fb3c6
[aat] Support Lookup<OffsetTo<>>, needed by just and lcar (#1368) 2018-11-08 18:53:14 +03:30
Ebrahim Byagowi 073d0a9fbc
[ci] minor 2018-11-08 10:59:50 +03:30
Behdad Esfahbod 15326826bf [aat] Ignore cross-stream offset of deleted-glyphs 
I think it makes sense to accumulate it, but Ned tells me that's
what CoreText does.
 2018-11-07 21:58:04 -05:00
Michiharu Ariza 636a6833c5 fixed ends_in_hint bug 
subr ends in hint itself should be regarded as hint
this flag should propagate to its caller if the call itself is at the end of the caller
 2018-11-07 17:58:45 -08:00
Behdad Esfahbod 0bf76154f1 [fuzzing] Take whatever text we can 2018-11-07 19:12:27 -05:00
Behdad Esfahbod 517a1bac97
Merge pull request #1362 from harfbuzz/cross-kern 
Vastly improve kern/kerx tables, including cross-stream "kerning"
 2018-11-07 18:40:48 -05:00
Behdad Esfahbod b18a56a290 [kerx] Comment 2018-11-07 18:13:22 -05:00
Michiharu Ariza 4d74020694 Merge branch 'master' into cff-subset 2018-11-07 15:09:30 -08:00
Michiharu Ariza e0c30b961d merge with cff-subset branch 2018-11-07 15:08:55 -08:00
Behdad Esfahbod 006386be3a [kern] Implement negative state numbers 
Let the fuzzing bots rip this code apart...
 2018-11-07 18:04:53 -05:00
Michiharu Ariza 0996c0ff62 implented no-desubroutinize with CFF2 along with API test 
replaced AdobeVFPrototype.abc.otf with a hinted (maually) & subroutinized copy
replaced expected results as well
 2018-11-07 14:48:37 -08:00
Behdad Esfahbod 29c5302376 [morx] Minor 2018-11-07 17:29:37 -05:00
Behdad Esfahbod 385f78b312 [aat] Remove deleted-glyhs after applying kerx/kern 
Finally:  Fixes https://github.com/harfbuzz/harfbuzz/issues/1356

Test case:
$ ./hb-shape GeezaPro.ttc -u U+0628,U+064A,U+064E,U+0651,U+0629
[u0629.final.tehMarbuta=4+713|u064e_u0651.shaddaFatha=1@0,-200+0|u064a.medial.yeh=1+656|u0628.initial.beh=0+656]

The mark positioning (kern table CrossStream kerning) only works if deleted
glyph (as result of ligation) is still in stream and pushed through the
state machine.
 2018-11-07 17:20:47 -05:00
Behdad Esfahbod 1909072235 [aat] Add debug info to state machine 2018-11-07 16:42:16 -05:00
Behdad Esfahbod ca23567f41 Disable fallback mark positioning if kern table has cross-stream kerning 
Happens even if the cross-stream kerning is for cursive attachment only.  Oh well..
 2018-11-07 16:19:51 -05:00
Behdad Esfahbod 5cf6f94dfd Don't apply both kerx and kern 
Ouch!
 2018-11-07 16:07:22 -05:00
Behdad Esfahbod 41cff7afc9 Minor 2018-11-07 16:05:36 -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 6ee6cd93d8 [GPOS] Only mark unsafe-to-break if kerning happened 
Fixes https://github.com/harfbuzz/harfbuzz/issues/1365
 2018-11-07 15:40:55 -05:00
Behdad Esfahbod 501a364d9b [GPOS] Add TODO item 2018-11-07 15:02:16 -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 c038f5be6b [fallback] Minor 2018-11-07 13:35:06 -05:00
Behdad Esfahbod db6e658e8c [kern/kerx] More towards sharing KernTable 2018-11-07 13:33:23 -05:00
Behdad Esfahbod 89ec095979 [kern] Disable Format1 and Format3 for OT-style tables 2018-11-07 13:10:05 -05:00
Behdad Esfahbod ab57bcae0f [kern] Minor 2018-11-07 13:04:21 -05:00
Behdad Esfahbod 30af5b4a4c [kern] Move code 2018-11-07 12:57:10 -05:00
Behdad Esfahbod 1ff300464a [kern] Massage more 2018-11-07 12:51:49 -05:00
Behdad Esfahbod 8e9f6cd0fd [kerx] More minor 2018-11-07 12:49:20 -05:00
Behdad Esfahbod f8c3df7d4a [kern/kerx] Minor 2018-11-07 12:48:06 -05:00