diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/NEWS')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/NEWS | 276 |
1 files changed, 267 insertions, 9 deletions
diff --git a/src/3rdparty/harfbuzz-ng/NEWS b/src/3rdparty/harfbuzz-ng/NEWS index 8c3ef117dd..7434bcada0 100644 --- a/src/3rdparty/harfbuzz-ng/NEWS +++ b/src/3rdparty/harfbuzz-ng/NEWS @@ -1,3 +1,261 @@ +Overview of changes leading to 1.7.4 +Wednesday, December 20, 2017 +==================================== + +- Fix collect_glyphs() regression caused by hb_set_t changes. + + +Overview of changes leading to 1.7.3 +Monday, December 18, 2017 +==================================== + +- hb_set_t performance tuning and optimizations. +- Speed up collect_glyphs() and reject garbage data. +- In hb_coretext_font_create() set font point-size (ptem). +- Misc fixes. + + +Overview of changes leading to 1.7.2 +Monday, December 4, 2017 +==================================== + +- Optimize hb_set_add_range(). +- Misc fixes. +- New API: +hb_coretext_font_create() + + +Overview of changes leading to 1.7.1 +Tuesday, November 14, 2017 +==================================== + +- Fix atexit object destruction regression. +- Fix minor integer-overflow. + + +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 1.6.3 +Thursday, October 26th, 2017 +==================================== + +- Fix hb_set_t some more. Should be solid now. +- Implement get_glyph_name() for hb-ot-font. +- Misc fixes. + + +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/harfbuzz/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/harfbuzz/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 + + +Overview of changes leading to 1.4.8 +Tuesday, August 8, 2017 +==================================== + +- Major fix to avar table handling. +- Rename hb-shape --show-message to --trace. +- Build fixes. + + +Overview of changes leading to 1.4.7 +Tuesday, July 18, 2017 +==================================== + +- Multiple Indic, Tibetan, and Cham fixes. +- CoreText: Allow disabling kerning. +- Adjust Arabic feature order again. +- Misc build fixes. + + +Overview of changes leading to 1.4.6 +Sunday, April 23, 2017 +==================================== + +- Graphite2: Fix RTL positioning issue. +- Backlist GDEF of more versions of Padauk and Tahoma. +- New, experimental, cmake alternative build system. + + +Overview of changes leading to 1.4.5 +Friday, March 10, 2017 +==================================== + +- Revert "Fix Context lookup application when moving back after a glyph..." + This introduced memory access problems. To be fixed properly soon. + + +Overview of changes leading to 1.4.4 +Sunday, March 5, 2017 +==================================== + +- Fix Context lookup application when moving back after a glyph deletion. +- Fix buffer-overrun in Bengali. + + +Overview of changes leading to 1.4.3 +Saturday, February 25, 2017 +==================================== + +- Route Adlam script to Arabic shaper. +- Misc fixes. +- New API: + hb_font_set_face() +- Deprecate API: + hb_graphite2_font_get_gr_font() + + +Overview of changes leading to 1.4.2 +Monday, January 23, 2017 +==================================== + +- Implement OpenType Font Variation tables avar/fvar/HVAR/VVAR. +- hb-shape and hb-view now accept --variations. +- New API: + +hb_variation_t +hb_variation_from_string() +hb_variation_to_string() + +hb_font_set_variations() +hb_font_set_var_coords_design() +hb_font_get_var_coords_normalized() + +hb-ot-var.h: +hb_ot_var_axis_t +hb_ot_var_has_data() +hb_ot_var_get_axis_count() +hb_ot_var_get_axes() +hb_ot_var_find_axis() +hb_ot_var_normalize_variations() +hb_ot_var_normalize_coords() + +- MVAR to be implemented later. Access to named instances to be + implemented later as well. + +- Misc fixes. + + Overview of changes leading to 1.4.1 Thursday, January 5, 2017 ==================================== @@ -212,7 +470,7 @@ Tuesday, February 23, 2016 - CoreText: Drastically speed up font initialization. - CoreText: Fix tiny leak. - Group ZWJ/ZWNJ with previous syllable under cluster-level=0. - https://github.com/behdad/harfbuzz/issues/217 + https://github.com/harfbuzz/harfbuzz/issues/217 - Add test/shaping/README.md about how to add tests to the suite. @@ -228,8 +486,8 @@ Friday, February 19, 2016 - Allow GPOS cursive connection on marks, and fix the interaction with mark attachment. This work resulted in some changes to how mark attachments work. See: - https://github.com/behdad/harfbuzz/issues/211 - https://github.com/behdad/harfbuzz/commit/86c68c7a2c971efe8e35b1f1bd99401dc8b688d2 + https://github.com/harfbuzz/harfbuzz/issues/211 + https://github.com/harfbuzz/harfbuzz/commit/86c68c7a2c971efe8e35b1f1bd99401dc8b688d2 - Graphite2 shaper: improved negative advance handling (eg. Nastaliq). - Add nmake-based build system for Windows. - Minor speedup. @@ -270,7 +528,7 @@ Wednesday, November 26, 2015 ==================================== - Fix badly-broken fallback shaper that affected terminology. - https://github.com/behdad/harfbuzz/issues/187 + https://github.com/harfbuzz/harfbuzz/issues/187 - Fix y_scaling in Graphite shaper. - API changes: * An unset glyph_h_origin() function in font-funcs now (sensibly) @@ -292,11 +550,11 @@ Wednesday, November 18, 2015 ==================================== - Implement 'stch' stretch feature for Syriac Abbreviation Mark. - https://github.com/behdad/harfbuzz/issues/141 + https://github.com/harfbuzz/harfbuzz/issues/141 - Disable use of decompose_compatibility() callback. - Implement "shaping" of various Unicode space characters, even if the font does not support them. - https://github.com/behdad/harfbuzz/issues/153 + https://github.com/harfbuzz/harfbuzz/issues/153 - If font does not support U+2011 NO-BREAK HYPHEN, fallback to U+2010 HYPHEN. - Changes resulting from libFuzzer continuous fuzzing: @@ -319,7 +577,7 @@ Thursday, October 15, 2015 - Revert default load-flags of fonts created using hb_ft_font_create() back to FT_LOAD_DEFAULT|FT_LOAD_NO_HINTING. This was changed in last release (1.0.5), but caused major issues, so revert. - https://github.com/behdad/harfbuzz/issues/143 + https://github.com/harfbuzz/harfbuzz/issues/143 Overview of changes leading to 1.0.5 @@ -327,7 +585,7 @@ Tuesday, October 13, 2015 ==================================== - Fix multiple memory access bugs discovered using libFuzzer. - https://github.com/behdad/harfbuzz/issues/139 + https://github.com/harfbuzz/harfbuzz/issues/139 Everyone should upgrade to this version as soon as possible. We now have continuous fuzzing set up, to avoid issues like these creeping in again. @@ -598,7 +856,7 @@ Wednesday, July 16, 2014 U+FFFD REPLACEMENT CHARACTER now. - With all changes in this release, the buffer will contain fully valid Unicode after hb_buffer_add_utf8/16/32 no matter how - broken the input is. This can be overriden though. See below. + broken the input is. This can be overridden though. See below. - Fix Mongolian Variation Selectors for fonts without GDEF. - Fix minor invalid buffer access. - Accept zh-Hant and zh-Hans language tags. hb_ot_tag_to_language() |