4.4.0
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Khaled Hosny
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34
NEWS
34
NEWS
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@ -1,3 +1,37 @@
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Overview of changes leading to 4.4.0
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Monday, June 27, 2022
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====================================
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- Caching of variable fonts shaping, in particular when using HarfBuzz’s own
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font loading functions (ot). Bringing performance of variable shaping in par
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with non-variable fonts shaping. (Behdad Esfahbod)
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- Caching of format 2 “Contextual Substitution” and “Chained Contexts
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Substitution” lookups. Resulting in up to 20% speedup of lookup-heavy fonts
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like Gulzar or Noto Nastaliq Urdu. (Behdad Esfahbod)
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- Improved ANSI output from hb-view. (Behdad Esfahbod)
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- Support for shaping legacy, pre-OpenType Windows 3.1-era, Arabic fonts that
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relied on a fixed PUA encoding. (Khaled Hosny, Behdad Esfahbod)
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- Sinhala script is now shaped by the USE shaper instead of “indic” one.
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(Behdad Esfahbod, David Corbett)
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- Thai shaper improvements. (David Corbett)
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- hb-ot-name API supports approximate BCP-47 language matching, for example
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asking for “en_US” in a font that has only “en” names will return them.
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(Behdad Esfahbod)
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- Optimized TrueType glyph shape loading. (Behdad Esfahbod)
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- Fix subsetting of HarfBuzz faces created via hb_face_create_for_tables().
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(Garret Rieger)
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- Add 32 bit var store support to the subsetter. (Garret Rieger)
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- New API
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+HB_BUFFER_FLAG_DEFINED
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+HB_BUFFER_SERIALIZE_FLAG_DEFINED
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+hb_font_changed()
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+hb_font_get_serial()
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+hb_ft_hb_font_changed()
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+hb_set_hash()
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+hb_map_copy()
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+hb_map_hash()
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Overview of changes leading to 4.3.0
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Friday, May 20, 2022
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====================================
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@ -1,6 +1,6 @@
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AC_PREREQ([2.64])
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AC_INIT([HarfBuzz],
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[4.3.0],
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[4.4.0],
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[https://github.com/harfbuzz/harfbuzz/issues/new],
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[harfbuzz],
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[http://harfbuzz.org/])
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@ -1,6 +1,6 @@
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project('harfbuzz', 'c', 'cpp',
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meson_version: '>= 0.55.0',
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version: '4.3.0',
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version: '4.4.0',
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default_options: [
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'cpp_rtti=false', # Just to support msvc, we are passing -fno-exceptions also anyway
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'cpp_std=c++11',
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@ -373,7 +373,7 @@ hb_buffer_guess_segment_properties (hb_buffer_t *buffer);
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* flag indicating that the @HB_GLYPH_FLAG_UNSAFE_TO_CONCAT
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* glyph-flag should be produced by the shaper. By default
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* it will not be produced since it incurs a cost. Since: 4.0.0
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* @HB_BUFFER_FLAG_DEFINED: All currently defined flags: Since: REPLACEME
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* @HB_BUFFER_FLAG_DEFINED: All currently defined flags: Since: 4.4.0
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*
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* Flags for #hb_buffer_t.
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*
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@ -586,7 +586,7 @@ hb_buffer_normalize_glyphs (hb_buffer_t *buffer);
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* @HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS: serialize glyph flags. Since: 1.5.0
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* @HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES: do not serialize glyph advances,
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* glyph offsets will reflect absolute glyph positions. Since: 1.8.0
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* @HB_BUFFER_SERIALIZE_FLAG_DEFINED: All currently defined flags. Since: REPLACEME
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* @HB_BUFFER_SERIALIZE_FLAG_DEFINED: All currently defined flags. Since: 4.4.0
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*
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* Flags that control what glyph information are serialized in hb_buffer_serialize_glyphs().
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*
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@ -1945,7 +1945,7 @@ hb_font_is_immutable (hb_font_t *font)
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*
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* Return value: serial number
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*
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* Since: REPLACEME.
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* Since: 4.4.0.
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**/
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unsigned int
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hb_font_get_serial (hb_font_t *font)
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@ -1961,7 +1961,7 @@ hb_font_get_serial (hb_font_t *font)
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* This has the effect of increasing the serial as returned
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* by hb_font_get_serial(), which invalidates internal caches.
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*
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* Since: REPLACEME.
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* Since: 4.4.0.
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**/
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void
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hb_font_changed (hb_font_t *font)
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@ -1042,7 +1042,7 @@ hb_ft_font_changed (hb_font_t *font)
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*
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* Return value: true if changed, false otherwise
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*
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* Since: REPLACEME
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* Since: 4.4.0
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**/
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hb_bool_t
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hb_ft_hb_font_changed (hb_font_t *font)
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@ -180,7 +180,7 @@ hb_map_allocation_successful (const hb_map_t *map)
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*
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* Return value: Newly-allocated map.
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*
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* Since: REPLACEME
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* Since: 4.4.0
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**/
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hb_map_t *
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hb_map_copy (const hb_map_t *map)
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@ -337,7 +337,7 @@ hb_map_is_equal (const hb_map_t *map,
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* Return value:
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* A hash of @map.
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*
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* Since: REPLACEME
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* Since: 4.4.0
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**/
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HB_EXTERN unsigned int
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hb_map_hash (const hb_map_t *map)
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@ -368,7 +368,7 @@ hb_set_is_equal (const hb_set_t *set,
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* Return value:
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* A hash of @set.
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*
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* Since: REPLACEME
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* Since: 4.4.0
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**/
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HB_EXTERN unsigned int
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hb_set_hash (const hb_set_t *set)
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@ -47,7 +47,7 @@ HB_BEGIN_DECLS
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*
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* The minor component of the library version available at compile-time.
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*/
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#define HB_VERSION_MINOR 3
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#define HB_VERSION_MINOR 4
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/**
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* HB_VERSION_MICRO:
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*
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@ -60,7 +60,7 @@ HB_BEGIN_DECLS
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*
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* A string literal containing the library version available at compile-time.
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*/
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#define HB_VERSION_STRING "4.3.0"
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#define HB_VERSION_STRING "4.4.0"
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/**
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* HB_VERSION_ATLEAST:
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