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Overview of changes leading to 1.8.1
Tuesday, June 12, 2018
- Fix hb-version.h file generation; last two releases went out with wrong ones.
- Add correctness bug in hb_set_t operations, introduced in 1.7.7.
- Remove HB_SUBSET_BUILTIN build option. Not necessary.
Overview of changes leading to 1.7.7
Tuesday, June 5, 2018
- Lots of internal changes, but not yet exposed externally.
- All HarfBuzz objects are significantly smaller in size now.
- Sinhala: Position repha on top of post-consonant, not base.
This better matches Windows 10 behavior, which was changed
from previous Windows versions. - New build options:
o New cpp macro HB_NO_ATEXIT
o New cpp macro HB_SUBSET_BUILTIN - Significant libharfbuzz-subset changes. API subject to change.
- New API in libharfbuzz:
+hb_blob_create_from_file()
+hb_face_count()
A hashmap implementation:
+hb-map.h
+HB_MAP_VALUE_INVALID
+hb_map_t
+hb_map_create()
+hb_map_get_empty()
+hb_map_reference()
+hb_map_destroy()
+hb_map_set_user_data()
+hb_map_get_user_data()
+hb_map_allocation_successful()
+hb_map_clear()
+hb_map_is_empty()
+hb_map_get_population()
+hb_map_set()
+hb_map_get()
+hb_map_del()
+hb_map_has()
Overview of changes leading to 1.7.6
Wednesday, March 7, 2018
-
Fix to hb_set_t binary operations. Ouch.
-
New experimental harfbuzz-subset library. All of hb-subset.h
is experimental right now and API WILL change. -
New API:
hb_blob_copy_writable_or_fail()
HB_OT_TAG_BASE
hb_set_previous()
hb_set_previous_range()
Overview of changes leading to 1.7.0
Monday, November 13, 2017
- Minor Indic fixes.
- Implement kerning and glyph names in hb-ot-font.
- Various DSO optimization re .data and .bss sizes.
- Make C++11 optional; build fixes.
- Mark all other backends "unsafe-to-break".
- Graphite fix.
Overview of changes leading to 1.6.2
Monday, October 23nd, 2017
- Yesterday's release had a bad crasher; don't use it. That's what
happens when one works on Sunday...
https://github.com/behdad/harfbuzz/issues/578 - Build fixes for FreeBSD and Chrome Android.
Overview of changes leading to 1.6.1
Sunday, October 22nd, 2017
- Don't skip over COMBINING GRAPHEME JOINER when ligating, etc.
To be refined: https://github.com/behdad/harfbuzz/issues/554 - Faster hb_set_t implementation.
- Don't use deprecated ICU API.
- Fix undefined-behavior in Myanmar shaper, introduced in 1.6.0
- Deprecated API:
hb_set_invert()
Overview of changes leading to 1.6.0
Friday, October the 13th, 2017
-
Update to Unicode 10.
-
Various Indic and Universal Shaping Engine fixes as a result of
HarfBuzz Hackfest with Jonathan Kew at Web Engines Hackfest at
the Igalia offices in A Coruña, Spain. Thanks Igalia for having
us! -
Implement Unicode Arabic Mark Ordering Algorithm UTR#53.
-
Implement optical sizing / tracking in CoreText backend, using
new API hb_font_set_ptem(). -
Allow notifying hb_font_t that underlying FT_Face changed sizing,
using new API hb_ft_font_changed(). -
More Graphite backend RTL fixes.
-
Fix caching of variable font shaping plans.
-
hb-view / hb-shape now accept following new arguments:
o --unicodes: takes a list of hex numbers that represent Unicode
codepoints.
New API:
+hb_face_get_table_tags()
+hb_font_set_ptem()
+hb_font_get_ptem()
+hb_ft_font_changed()
Overview of changes leading to 1.5.1
Tuesday, September 5, 2017
- Fix "unsafe-to-break" in fallback shaping and other corner cases.
All our tests pass with --verify now, meaning unsafe-to-break API
works as expected. - Add --unicodes to hb-view / hb-shape.
- [indic] Treat Consonant_With_Stacker as consonant. This will need
further tweaking. - hb_buffer_diff() tweaks.
Overview of changes leading to 1.5.0
Wednesday, August 23, 2017
-
Misc new API, for appending a buffer to another, and for comparing
contents of two buffers for types of differences. -
New "unsafe-to-break" API. Can be used to speed up reshaping
in line-breaking situations. Essentially, after shaping, it returns
positions in the input string (some of the cluster boundaries) that
are "safe to break" in that if the text is segmented at that position
and two sides reshaped and concatenated, the shaping result is
exactly the same as shaping the text in one piece.hb-view and hb-shape and hb-shape now take --verify, which verifies
the above property.Some corner cases of the implementation are still not quite working.
Those will be fixed in subsequent releases. -
New API:
hb_buffer_append()
hb_glyph_flags_t
HB_GLYPH_FLAG_UNSAFE_TO_BREAK
HB_GLYPH_FLAG_DEFINED
hb_glyph_info_get_glyph_flags()
HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS
hb_buffer_diff_flags_t
HB_BUFFER_DIFF_FLAG_EQUAL
HB_BUFFER_DIFF_FLAG_CONTENT_TYPE_MISMATCH
HB_BUFFER_DIFF_FLAG_LENGTH_MISMATCH
HB_BUFFER_DIFF_FLAG_NOTDEF_PRESENT
HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT
HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH
HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH
HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH
HB_BUFFER_DIFF_FLAG_POSITION_MISMATCH
hb_buffer_diff
