Update HarfBuzz to 5.1.0
Categories
(Core :: Graphics: Text, task)
Tracking
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| Tracking | Status | |
|---|---|---|
| firefox105 | --- | fixed |
People
(Reporter: RyanVM, Assigned: RyanVM)
References
Details
(Whiteboard: [third-party-lib-audit][gfx-noted])
Attachments
(1 file)
+++ This bug was initially created as a clone of Bug #1776802 +++
Overview of changes leading to 5.0.1
Saturday, July 23, 2022
- Fix version 2 “avar” table with hb-ft. (Behdad Esfahbod)
Overview of changes leading to 5.0.0
Saturday, July 23, 2022
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Support fonts with more than 65535 glyphs in “GDEF”, “GSUB”, and “GPOS”
tables. This is part of https://github.com/be-fonts/boring-expansion-spec to
extend OpenType in a backward-compatible way.
(Behdad Esfahbod, Garret Rieger) -
Complete support for more than 65535 glyphs in “glyf” table that started in
4.0.0 release. Part of boring-expansion-spec. (Behdad Esfahbod) -
Support version 2 of “avar” table. Part of boring-expansion-spec.
(Behdad Esfahbod) -
Fix mark attachment on multiple substitutions in some cases.
(Behdad Esfahbod) -
Fix application of “calt”, “rclt”, and “ccmp” features to better match
Uniscribe behaviour with some Arabic fonts. (Behdad Esfahbod) -
Improvement to interaction between multiple cursive attachments.
(Behdad Esfahbod) -
Improve multiple mark interactions in Hebrew. (Behdad Esfahbod)
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Implement language-specific forms in AAT shaping. (Behdad Esfahbod)
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Fix variation of “VORG” table. (Behdad Esfahbod)
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Support for specific script tags to be retained in the subsetter, and add
“--layout-scripts” option to “hb-subset” tool. (Garret Rieger) -
Accept space as delimiter for --features/--variations in command line tools.
-
Improve subsetting of “COLR” table. (Qunxin Liu)
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Improved fuzzing coverage for ot-math API. (Frédéric Wang)
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Fix “kern” table version 2 (AAT) sanitization on 32-bit systems.
(Behdad Esfahbod) -
Allow negative glyph advances from “graphite2” shaper. (Stephan Bergmann)
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Implement loading (color) bitmap fonts with hb-ft. (Behdad Esfahbod)
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Fix regression in hb-ft when changing font size. (Behdad Esfahbod)
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Fix build on GCC < 7. (Kleis Auke Wolthuizen)
-
Dynamically load dwrite.dll on windows if “directwrite” shaper is enabled.
(Luca Bacci) -
Provide a single-file harfbuzz-subset.cc file for easier alternate building
of hb-subset library, similar to harfbuzz.cc. (Khaled Hosny) -
New API
+HB_SUBSET_SETS_LAYOUT_SCRIPT_TAG
+hb_language_matches()
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Assignee | |
Comment 1•2 years ago
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Assignee | |
Comment 2•2 years ago
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Comment 3•2 years ago
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Note that 5.1.0 is now out.
When updating the patch, please also try defining HB_NO_BORING_EXPANSION in our moz.build; that should reduce the binary size somewhat.
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Assignee | |
Comment 4•2 years ago
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Overview of changes leading to 5.1.0
Sunday, July 31, 2022
-
More extensive buffer tracing messages. (Behdad Esfahbod)
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Fix hb-ft regression in bitmap fonts rendering. (Behdad Esfahbod)
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Support extension promotion of lookups in hb-subset-repacker. (Garret Rieger)
-
A new HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL for scripts that use elongation
(e.g. Arabic) to signify where it is safe to insert tatweel glyph without
interrupting shaping. (Behdad Esfahbod) -
Add “--safe-to-insert-tatweel” to “hb-shape” tool. (Behdad Esfahbod)
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New API
+HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL
+HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL
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Updated•2 years ago
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Assignee | |
Comment 5•2 years ago
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Pushed by jkew@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/4267ceaa7558 Update HarfBuzz to 5.1.0. r=jfkthame
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Comment 7•2 years ago
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| bugherder | ||
Description
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