diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/NEWS')
| -rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/NEWS | 78 |
1 files changed, 74 insertions, 4 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/NEWS b/Build/source/libs/harfbuzz/harfbuzz-src/NEWS index 13a3b51413a..dbe17554f82 100644 --- a/Build/source/libs/harfbuzz/harfbuzz-src/NEWS +++ b/Build/source/libs/harfbuzz/harfbuzz-src/NEWS @@ -1,7 +1,77 @@ +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 typdef’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 + + +Overview of changes leading to 3.3.2 +Sunday, February 6, 2022 +==================================== +- Revert splitting of pair positioning values introduced in 3.3.0 as it proved + problematic. (Behdad Esfahbod) + + +Overview of changes leading to 3.3.1 +Monday, January 31, 2022 +==================================== +- Fix heap-use-after-free in harfbuzz-subset introduced in previous release. + (Garret Rieger) + + +Overview of changes leading to 3.3.0 +Monday, January 31, 2022 +==================================== +- Improved documentation. (Matthias Clasen) +- Internal code cleanup, using C++ standard library more. (Behdad Esfahbod) +- The low 16-bits of face index will be used by hb_face_create() to select a + face inside a font collection file format, while the high 16-bits will be + used by hb_font_create() to load the named instance. (Behdad Esfahbod) +- Glyph positions and other font metrics now apply synthetic slant set by + hb_font_set_synthetic_slant(), for improved positioning for synthetically + slanted fonts. (Behdad Esfahbod) +- Fixed unintentional locale dependency in hb_variation_to_string() for decimal + point representation. (Matthias Clasen) +- When applying pair positioning (kerning) the positioning value is split + between the two sides of the pair for improved cursor positioning between + such pairs. (Behdad Esfahbod) +- Introduced new HB_GLYPH_FLAG_UNSAFE_TO_CONCAT, to be used in conjunction + with HB_GLYPH_FLAG_UNSAFE_TO_BREAK for optimizing re-shaping during line + breaking. Check the documentation for further details. (Behdad Esfahbod) +- Improved handling of macrolanguages when mapping BCP 47 codes to OpenType + tags. (David Corbett) + +- New API: ++HB_GLYPH_FLAG_UNSAFE_TO_CONCAT ++hb_segment_properties_overlay() ++hb_buffer_create_similar() ++hb_font_set_synthetic_slant() ++hb_font_get_synthetic_slant() ++hb_font_get_var_coords_design() + + Overview of changes leading to 3.2.0 Friday, November 26, 2021 ==================================== - “harfbuzz” library improvements: - Fixed shaping of Apple Color Emoji flags in right-to-left context. (Behdad Esfahbod) - Fixed positioning of CFF fonts in HB_TINY profile. (Behdad Esfahbod) @@ -384,7 +454,7 @@ Friday, May 24, 2019 code-base changes. We now require C++11. Support for gcc 4.8 and earlier has been dropped. - New hb-config.hh facility for compiling smaller library for embedded and web usecases. -- New Unicode Character Databse implementation that is half the size of previously-used +- New Unicode Character Database implementation that is half the size of previously-used UCDN. - Subsetter improvements. - Improved documentation, thanks to Nathan Willis. @@ -1232,7 +1302,7 @@ Thursday, February 25, 2016 due to bug in glyph class of ASCII double-quote character. This should address "regression" introduced in 1.2.0 when we switched mark zeroing in most shapers from BY_UNICODE_LATE to BY_GDEF_LATE. - This fourth release in a week should finally stablize things... + This fourth release in a week should finally stabilize things... - hb-ot-font's get_glyph() implementation saw some optimizations. Though, might be really hard to measure in real-world situations. @@ -2280,7 +2350,7 @@ o Changed API: - hb_buffer_create() takes zero arguments now. Use hb_buffer_pre_allocate() to pre-allocate. - - hb_buffer_add_utf*() now accept -1 for length parameteres, + - hb_buffer_add_utf*() now accept -1 for length parameters, meaning "nul-terminated". - hb_direction_t enum values changed. |