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4a26e289
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2025-09-30T15:31:04
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Add `hb_ot_layout_lookup_collect_glyph_alternates()` (#5367)
* [map] Massage operator << overloads
* [ot-layout] Add +hb_ot_layout_lookup_collect_glyph_alternates
To collect all glyph mapping from SingleSubst or AlternateSubst
lookups in one call. Needed by FreeType autohinter for performance.
New API:
+hb_ot_layout_lookup_collect_glyph_alternates()
* [layout] Change hb_ot_layout_lookup_collect_glyph_alternates() API
https://github.com/harfbuzz/harfbuzz/pull/5367#discussion_r2149019638
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c7378294
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2025-02-06T01:42:25
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[OT] Remove likely() from coverage check
Not that it matters, but because of the set-digest, this path
is not very likely() anymore.
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31949636
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2023-05-04T16:29:48
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Revert "[layout] Cache subtable coverages in hb_map_t"
This reverts commit 7a715d74e06720c17d28ba7b4c3da0b583f8d1d3.
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7a715d74
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2023-05-04T16:28:11
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[layout] Cache subtable coverages in hb_map_t
Proof-of-concept. Going to revert. Memory consumption is more
than I like. It does speed up Roboto shaping another 15% though.
Perhaps if we could add logic to choose which subtables to
cache, this might be a useful approach.
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7327006d
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2023-03-07T21:06:01
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[GSUB] Support SingleSubst in get_glyph_alternates
Fixes https://github.com/harfbuzz/harfbuzz/discussions/4146
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08784baf
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2023-03-02T10:48:30
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[GSUB/GPOS] Fix sanitization in Format1
Fixes https://oss-fuzz.com/testcase-detail/5120727025319936
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918193eb
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2023-02-22T23:11:29
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[subset] fix a class of fuzzer timeouts caused by large shared coverage tables.
More acurately estimates the op count for CoverageFormat2 tables as the population size instead of the size in bytes.
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ed023f66
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2023-01-12T17:04:24
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Enable -Wformat-signedness
And fix the codebase.
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9aad3dba
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2022-10-26T13:04:02
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[SingleSubst] Fix degenerate-lookup test
Part of https://github.com/harfbuzz/harfbuzz/issues/3853
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6549aec8
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2022-08-01T13:11:14
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[SingleSubstFormat1] Help avoid timeouts in closure() some more
For https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=49712
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149b0305
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2022-07-29T12:41:30
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Fix thinko
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f7677213
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2022-07-29T11:57:57
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[SingleSubstFormat1] Don't close glyphs in degenerate cases
Fixes https://oss-fuzz.com/testcase-detail/5145429829877760
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59b05359
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2022-07-24T17:14:09
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[GSUB/GPOS] Add more buffer messages
Behind HB_BUFFER_MESSAGE_MORE.
https://github.com/harfbuzz/harfbuzz/pull/3495
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bbb4db90
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2022-07-21T12:34:46
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[Coverage/SingleSubst] Move hand-written loop to Coverage
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efa38807
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2022-07-21T11:52:36
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[subset/SingleSubsetFormat1] Use Coverage.intersect_set
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00dfbbce
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2022-07-21T11:39:32
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[Coverage] Rename and templatize intersected_coverage_glyphs
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d0eb2737
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2022-07-21T11:24:56
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[subset/GSUB/GPOS] Use more intersected_coverage_glyphs()
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5d7556e1
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2022-07-21T10:42:29
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Revert "[subst/SingleSubstFormat1] Rewrite nicer"
This reverts commit bababe10724c27b2cbb09bf25e7dcf4aeea07588.
The hand-written code is still much faster :(.
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bababe10
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2022-07-21T10:25:27
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[subst/SingleSubstFormat1] Rewrite nicer
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fa471043
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2022-07-20T22:42:18
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[subset] Fix previous commit
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c4d2ef90
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2022-07-20T22:36:35
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[subset] Speed up subsetting of SingleSubstFormat1_3
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d01e6bab
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2022-07-20T22:17:33
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[subset] Speed up SingleSubstFormat1_3 closure
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aae8c74e
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2022-07-20T11:51:09
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[>64k:layout:SingleSubstFormat3] Fix masking
https://github.com/be-fonts/boring-expansion-spec/issues/31
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e3caf8d5
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2022-07-06T13:11:53
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[>64k:layout] Templatize SingleSubst
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5fdae684
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2022-06-29T23:52:08
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[reorg] Move GSUB.hh up one level and change GSUB namespace to GSUB_impl.
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7243bf3e
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2022-01-26T08:26:50
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[reorg] Use relative include
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c180f937
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2022-01-26T08:22:40
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[reorg] Move sanitize/dispatch and size macros to top
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f577d02f
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2022-01-20T14:39:48
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[reorg] Fix check-* scripts to work with sources files in directories.
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3ef180db
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2022-01-13T15:22:55
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[reorg] Move SingleSubst opentype fields to top of the classes.
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7dfd9e70
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2022-01-13T14:17:51
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[reorganization] WIP move single substitution into separate files.
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