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Changelog: ========== - Caching of variable fonts shaping, in particular when using HarfBuzz’s own font loading functions (ot). Bringing performance of variable shaping in par with non-variable fonts shaping. - Caching of format 2 “Contextual Substitution” and “Chained Contexts Substitution” lookups. Resulting in up to 20% speedup of lookup-heavy fonts like Gulzar or Noto Nastaliq Urdu. - Improved ANSI output from hb-view. - Support for shaping legacy, pre-OpenType, Windows 3.1-era, Arabic fonts that relied on a fixed PUA encoding. - Sinhala script is now shaped by the USE shaper instead of “indic” one. - Thai shaper improvements. - hb-ot-name API supports approximate BCP-47 language matching, for example asking for “en_US” in a font that has only “en” names will return them. - Optimized TrueType glyph shape loading. - Fix subsetting of HarfBuzz faces created via hb_face_create_for_tables(). - Add 32 bit var store support to the subsetter. - New API +HB_BUFFER_FLAG_DEFINED +HB_BUFFER_SERIALIZE_FLAG_DEFINED +hb_font_changed() +hb_font_get_serial() +hb_ft_hb_font_changed() +hb_set_hash() +hb_map_copy() +hb_map_hash() (From OE-Core rev: bfe0f5b8fe449d2f7a4ac9d3629220a4190f70c5) Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>