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Diffstat (limited to 'src/3rdparty/harfbuzz-ng/NEWS')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/NEWS | 523 |
1 files changed, 523 insertions, 0 deletions
diff --git a/src/3rdparty/harfbuzz-ng/NEWS b/src/3rdparty/harfbuzz-ng/NEWS index 7434bcada0..7dde1193f3 100644 --- a/src/3rdparty/harfbuzz-ng/NEWS +++ b/src/3rdparty/harfbuzz-ng/NEWS @@ -1,3 +1,526 @@ +Overview of changes leading to 2.6.4 +Monday, October 29, 2019 +==================================== +- Small bug fix. +- Build fixes. + + +Overview of changes leading to 2.6.3 +Monday, October 28, 2019 +==================================== +- Misc small fixes, mostly to build-related issues. +- New API: ++hb_font_get_nominal_glyphs() + + +Overview of changes leading to 2.6.2 +Monday, September 30, 2019 +==================================== +- Misc small fixes, mostly to build-related issues. + + +Overview of changes leading to 2.6.1 +Thursday, August 22, 2019 +==================================== +- Fix regression with hb_font_create_sub_font scaling introduced in 2.6.0. +- Change interpretation of font PTEM size / CoreText font size handling. + See https://github.com/harfbuzz/harfbuzz/pull/1484 +- hb-ot-font: Prefer symbol cmap subtable if present. +- Apply 'dist'/'abvm'/'blwm' features to all scripts. +- Drop experimental DirectWrite API. + + +Overview of changes leading to 2.6.0 +Tuesday, August 13, 2019 +==================================== +- New OpenType metrics, baseline, and metadata table access APIs. +- New API to set font variations to a named-instance. +- New hb-gdi.h header and API for creating hb_face_t from HFONT. +- Amalgam: Provide a single-file harfbuzz.cc file for easier alternate building. +- More size-reduction configurable options, enabled by HB_TINY. +- New API: ++hb_font_set_var_named_instance() ++hb_gdi_face_create() ++hb_ot_layout_baseline_tag_t ++hb_ot_layout_get_baseline() ++hb_ot_meta_tag_t ++hb_ot_meta_get_entry_tags() ++hb_ot_meta_reference_entry() ++hb_ot_metrics_tag_t ++hb_ot_metrics_get_position() ++hb_ot_metrics_get_variation() ++hb_ot_metrics_get_x_variation() ++hb_ot_metrics_get_y_variation() + + +Overview of changes leading to 2.5.3 +Wednesday, June 26, 2019 +==================================== +- Fix UCD script data for Unicode 10+ scripts. This was broken since 2.5.0. +- More optimizations for HB_TINY. + + +Overview of changes leading to 2.5.2 +Thursday, June 20, 2019 +==================================== +- More hb-config.hh facilities to shrink library size, namely when built as + HB_TINY. +- New documentation of custom configurations in CONFIG.md. +- Fix build on gcc 4.8. That's supported again. +- Universal Shaping Engine improvements thanks to David Corbett. +- API Changes: Undeprecate some horizontal-kerning API and re-enable in hb-ft, + such that Type1 fonts will continue kerning. + + +Overview of changes leading to 2.5.1 +Friday, May 31, 2019 +==================================== +- Fix build with various versions of Visual Studio. +- Improved documentation, thanks to Nathan Willis. +- Bugfix in subsetting glyf table. +- Improved scripts for cross-compiling for Windows using mingw. +- Rename HB_MATH_GLYPH_PART_FLAG_EXTENDER to HB_OT_MATH_GLYPH_PART_FLAG_EXTENDER. + A deprecated macro is added for backwards-compatibility. + + +Overview of changes leading to 2.5.0 +Friday, May 24, 2019 +==================================== +- This release does not include much functional changes, but includes major internal + 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 + UCDN. +- Subsetter improvements. +- Improved documentation, thanks to Nathan Willis. +- Misc shaping fixes. + + +Overview of changes leading to 2.4.0 +Monday, March 25, 2019 +==================================== +- Unicode 12. +- Misc fixes. +- Subsetter improvements. +- New API: +HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE +hb_directwrite_face_create() + + +Overview of changes leading to 2.3.1 +Wednesday, January 30, 2019 +==================================== +- AAT bug fixes. +- Misc internal housekeeping cleanup. + + +Overview of changes leading to 2.3.0 +Thursday, December 20, 2018 +==================================== +- Fix regression on big-endian architectures. Ouch! +- Misc bug and build fixes. +- Fix subsetting of simple GSUB/GDEF. +- Merge CFF / CFF2 support contributed by Adobe. This mostly involves + the subsetter, but also get_glyph_extents on CFF fonts. + +New API in hb-aat.h: ++hb_aat_layout_has_substitution() ++hb_aat_layout_has_positioning() ++hb_aat_layout_has_tracking() + + +Overview of changes leading to 2.2.0 +Thursday, November 29, 2018 +==================================== +- Misc shaping bug fixes. +- Add font variations named-instance API. +- Deprecate font variations axis enumeration API and add replacement. +- AAT shaping improvements: + o Fixed 'kern' table Format 2 implementation. + o Implement 'feat' table API for feature detection. + o Blacklist 'GSUB' table of fonts from 'MUTF' foundry that also have 'morx'. + +New API: ++hb_aat_layout_feature_type_t ++hb_aat_layout_feature_selector_t ++hb_aat_layout_get_feature_types() ++hb_aat_layout_feature_type_get_name_id ++hb_aat_layout_feature_selector_info_t ++HB_AAT_LAYOUT_NO_SELECTOR_INDEX ++hb_aat_layout_feature_type_get_selector_infos() ++hb_ot_var_axis_flags_t ++hb_ot_var_axis_info_t ++hb_ot_var_get_axis_infos() ++hb_ot_var_find_axis_info() ++hb_ot_var_get_named_instance_count() ++hb_ot_var_named_instance_get_subfamily_name_id() ++hb_ot_var_named_instance_get_postscript_name_id() ++hb_ot_var_named_instance_get_design_coords() + +Deprecated API: ++HB_OT_VAR_NO_AXIS_INDEX ++hb_ot_var_axis_t ++hb_ot_var_get_axes() ++hb_ot_var_find_axis() + + +Overview of changes leading to 2.1.3 +Friday, November 16, 2018 +==================================== +- Fix AAT 'mort' shaping, which was broken in 2.1.2 + + +Overview of changes leading to 2.1.2 +Friday, November 16, 2018 +==================================== +- Various internal changes. +- AAT shaping improvements: + o Implement kern table Format 1 state-machine-based kerning. + o Implement cross-stream kerning (cursive positioning, etc). + o Ignore emptyish GSUB tables (zero scripts) if morx present. + o Don't apply GPOS if morx is being applied. Matches Apple. + + +-Overview of changes leading to 2.1.1 +Monday, November 5, 2018 +==================================== +- AAT improvements: + o Implement 'mort' table. + o Implement 'kern' subtables Format 1 and Format 3. + + +Overview of changes leading to 2.1.0 +Tuesday, October 30, 2018 +==================================== +- AAT shaping improvements: + o Allow user controlling AAT features, for whole buffer only currently. + o Several 'morx' fixes. + o Implement tuple-kerns in 'kerx'; Fixes kerning with Apple default + San Francisco fonts. +- Support for color fonts: + o COLR/CPAL API to fetch color layers. + o SVG table to fetch SVG documents. + o CBDT/sbix API to fetch PNG images. +- New 'name' table API. +- hb-ot-font now uses 'VORG' table to correctly position CFF glyphs + in vertical layout. +- Various fuzzer-found bug fixes. + +Changed API: + +A type and a macro added in 2.0.0 were renamed: + +hb_name_id_t -> hb_ot_name_id_t +HB_NAME_ID_INVALID -> HB_OT_NAME_ID_INVALID + +New API: + ++hb_color_t ++HB_COLOR ++hb_color_get_alpha() ++hb_color_get_red() ++hb_color_get_green() ++hb_color_get_blue() ++hb_ot_color_has_palettes() ++hb_ot_color_palette_get_count() ++hb_ot_color_palette_get_name_id() ++hb_ot_color_palette_color_get_name_id() ++hb_ot_color_palette_flags_t ++hb_ot_color_palette_get_flags() ++hb_ot_color_palette_get_colors() ++hb_ot_color_has_layers() ++hb_ot_color_layer_t ++hb_ot_color_glyph_get_layers() ++hb_ot_color_has_svg() ++hb_ot_color_glyph_reference_svg() ++hb_ot_color_has_png() ++hb_ot_color_glyph_reference_png() + ++hb_ot_name_id_t ++HB_OT_NAME_ID_INVALID ++HB_OT_NAME_ID_COPYRIGHT ++HB_OT_NAME_ID_FONT_FAMILY ++HB_OT_NAME_ID_FONT_SUBFAMILY ++HB_OT_NAME_ID_UNIQUE_ID ++HB_OT_NAME_ID_FULL_NAME ++HB_OT_NAME_ID_VERSION_STRING ++HB_OT_NAME_ID_POSTSCRIPT_NAME ++HB_OT_NAME_ID_TRADEMARK ++HB_OT_NAME_ID_MANUFACTURER ++HB_OT_NAME_ID_DESIGNER ++HB_OT_NAME_ID_DESCRIPTION ++HB_OT_NAME_ID_VENDOR_URL ++HB_OT_NAME_ID_DESIGNER_URL ++HB_OT_NAME_ID_LICENSE ++HB_OT_NAME_ID_LICENSE_URL ++HB_OT_NAME_ID_TYPOGRAPHIC_FAMILY ++HB_OT_NAME_ID_TYPOGRAPHIC_SUBFAMILY ++HB_OT_NAME_ID_MAC_FULL_NAME ++HB_OT_NAME_ID_SAMPLE_TEXT ++HB_OT_NAME_ID_CID_FINDFONT_NAME ++HB_OT_NAME_ID_WWS_FAMILY ++HB_OT_NAME_ID_WWS_SUBFAMILY ++HB_OT_NAME_ID_LIGHT_BACKGROUND ++HB_OT_NAME_ID_DARK_BACKGROUND ++HB_OT_NAME_ID_VARIATIONS_PS_PREFIX ++hb_ot_name_entry_t ++hb_ot_name_list_names() ++hb_ot_name_get_utf8() ++hb_ot_name_get_utf16() ++hb_ot_name_get_utf32() + + +Overview of changes leading to 2.0.2 +Saturday, October 20, 2018 +==================================== +- Fix two minor memory access issues in AAT tables. + + +Overview of changes leading to 2.0.1 +Friday, October 19, 2018 +==================================== +- Fix hb-version.h reported release version that went wrong (1.8.0) + with previous release. +- Fix extrapolation in 'trak' table. +- Fix hb-font infinite-recursion issue with some font funcs and + subclassed fonts. +- Implement variation-kerning format in kerx table, although without + variation. +- Fix return value of hb_map_is_empty(). + + +Overview of changes leading to 2.0.0 +Thursday, October 18, 2018 +==================================== +- Added AAT shaping support (morx/kerx/trak). + Automatically used if GSUB/GPOS are not available respectively. + Set HB_OPTIONS=aat env var to have morx/kerx preferred over + GSUB/GPOS. +- Apply TrueType kern table internally, instead of relying on + hb_font_t callbacks. +- Khmer shaper significantly rewritten to better match Uniscribe. +- Indic3 tags ('dev3', etc) are passed to USE shaper. +- .dfont Mac font containers implemented. +- Script- and language-mapping revamped to better use BCP 47. +- Misc USE and Indic fixes. +- Misc everything fixes. +- Too many things to list. Biggest release since 0.9.1, with + over 500 commits in just over 5 weeks! Didn't intend it to + be a big release. Just happened to become. +- hb-ft now locks underlying FT_Face during use. + +API changes: + +- Newly-created hb_font_t's now have our internal "hb-ot-font" + callbacks set on them, so they should work out of the box + without any callbacks set. If callbacks are set, everything + is back to what it was before, the fallback callbacks are + null. If you to get the internal implementation modified, + sub_font it. + +- New hb_font_funcs_set_nominal_glyphs_func() allows speeding + up character to glyph mapping. + +New API: ++HB_FEATURE_GLOBAL_START ++HB_FEATURE_GLOBAL_END ++hb_buffer_set_invisible_glyph() ++hb_buffer_get_invisible_glyph() ++hb_font_funcs_set_nominal_glyphs_func() ++hb_ot_layout_table_select_script() ++hb_ot_layout_script_select_language() ++hb_ot_layout_feature_get_name_ids() ++hb_ot_layout_feature_get_characters() ++hb_name_id_t ++HB_NAME_ID_INVALID ++HB_OT_MAX_TAGS_PER_SCRIPT ++hb_ot_tags_from_script_and_language() ++hb_ot_tags_to_script_and_language() + +Deprecated API: +-hb_font_funcs_set_glyph_func() +-hb_unicode_eastasian_width_func_t +-hb_unicode_funcs_set_eastasian_width_func() +-hb_unicode_eastasian_width() +-hb_unicode_decompose_compatibility_func_t +-HB_UNICODE_MAX_DECOMPOSITION_LEN +-hb_unicode_funcs_set_decompose_compatibility_func() +-hb_unicode_decompose_compatibility() +-hb_font_funcs_set_glyph_h_kerning_func() +-hb_font_funcs_set_glyph_v_kerning_func() +-hb_font_get_glyph_h_kerning() +-hb_font_get_glyph_v_kerning() +-hb_font_get_glyph_kerning_for_direction() +-hb_ot_layout_table_choose_script() +-hb_ot_layout_script_find_language() +-hb_ot_tags_from_script() +-hb_ot_tag_from_language() + + +Overview of changes leading to 1.9.0 +Monday, September 10, 2018 +==================================== +- Added 'cmap' API to hb_face_t. +- Face-builder API. +- hb-ot-font re-creation should be much leaner now, as the + font tables it uses are cached on hb_face_t now. +- Internal source header file name changes: + hb-*-private.hh is renamed to hb-*.hh. + +New API: ++HB_UNICODE_MAX ++hb_face_collect_unicodes() ++hb_face_collect_variation_selectors() ++hb_face_collect_variation_unicodes() ++hb_face_builder_create() ++hb_face_builder_add_table() + + +Overview of changes leading to 1.8.8 +Tuesday, August 14, 2018 +==================================== +- Fix hb-icu crash on architectures where compare_exchange_weak() can + fail falsely. This bug was introduced in 1.8.4. + https://bugs.chromium.org/p/chromium/issues/detail?id=873568 +- More internal refactoring of atomic operations and singletons. +- API changes: + The following functions do NOT reference their return value before + returning: + * hb_unicode_funcs_get_default() + * hb_glib_get_unicode_funcs() + * hb_icu_get_unicode_funcs() + This is consistent with their naming ("get", instead of "reference") + as well as how they are used in the wild (ie. no one calls destroy() + on their return value.) + + +Overview of changes leading to 1.8.7 +Wednesday, August 8, 2018 +==================================== +- Fix assertion failure with GDEF-blacklisted fonts. + + +Overview of changes leading to 1.8.6 +Tuesday, August 7, 2018 +==================================== +- Internal code shuffling. +- New API to speed up getting advance widths for implementations + that have heavy overhead in get_h_advance callback: ++hb_font_funcs_set_glyph_h_advances_func ++hb_font_funcs_set_glyph_v_advances_func ++hb_font_get_glyph_advances_for_direction ++hb_font_get_glyph_h_advances ++hb_font_get_glyph_h_advances_func_t ++hb_font_get_glyph_v_advances ++hb_font_get_glyph_v_advances_func_t + + +Overview of changes leading to 1.8.5 +Wednesday, August 1, 2018 +==================================== +- Major Khmer shaper improvements to better match Microsoft. +- Indic bug fixes. +- Internal improvements to atomic operations. + + +Overview of changes leading to 1.8.4 +Tuesday, July 17, 2018 +==================================== +- Fix build on non-C++11. +- Use C++-style GCC atomics and C++11 atomics. + + +Overview of changes leading to 1.8.3 +Wednesday, July 11, 2018 +==================================== +- A couple of Indic / USE bug fixes. +- Disable vectorization, as it was causing unaligned access bus error on + certain 32bit architectures. + + +Overview of changes leading to 1.8.2 +Tuesday, July 3, 2018 +==================================== +- Fix infinite loop in Khmer shaper. +- Improve hb_blob_create_from_file() for streams. + + +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 1.8.0 +Tuesday, June 5, 2018 +==================================== +- Update to Unicode 11.0.0. + + +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 1.7.5 +Tuesday, January 30, 2018 +==================================== + +- Separate Khmer shaper from Indic. +- First stab at AAT morx. Not hooked up. +- Misc bug fixes. + + Overview of changes leading to 1.7.4 Wednesday, December 20, 2017 ==================================== |