1756664 - Update HarfBuzz to 3.4.0

Status: RESOLVED FIXED

(Core :: Graphics: Text, task, P3)

Description

[Ryan VanderMeulen [:RyanVM]]

+++ This bug was initially created as a clone of Bug #1754028 +++

Overview of changes leading to 3.4.0
Sunday, February 13, 2022

• Perform sanity checks on shaping results is now part of “harfbuzz” library
  and can be enabled by setting the buffer flag HB_BUFFER_FLAG_VERIFY.
  (Behdad Esfahbod)

• Arabic Mark Transient Reordering Algorithm have been updated to revision 6.
  (Khaled Hosny)

• ISO 15924 code for mathematical notation, ‘Zmth’, now maps to the OpenType
  ‘math’ tag. (Alexis King)

• It is now possible to get at once all math kerning values for a given glyph
  at a given corner. (Alexis King)

• Fix locale_t portability issues on systems the typedef’s it to a void
  pointer. (Behdad Esfahbod)

• New API:
  +HB_BUFFER_FLAG_VERIFY
  +HB_OT_TAG_MATH_SCRIPT
  +HB_SCRIPT_MATH
  +hb_ot_math_kern_entry_t
  +hb_ot_math_get_glyph_kernings

• Deprecated API
  +HB_OT_MATH_SCRIPT

Green on Try:
https://treeherder.mozilla.org/jobs?repo=try&revision=d0dd347539e014374ee543d2a9b23829e927a784

Comment 1

[Ryan VanderMeulen [:RyanVM]]

Attachment: Bug 1756664 - Update HarfBuzz to 3.4.0. r=jfkthame

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/e329e95ebee5
Update HarfBuzz to 3.4.0. r=jfkthame

Comment 3

[Noemi Erli[:noemi_erli]]

https://hg.mozilla.org/mozilla-central/rev/e329e95ebee5