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@ -1,3 +1,139 @@ |
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Overview of changes leading to 0.9.2 |
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Friday, Aug 10, 2011 |
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==================================== |
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- Over a thousand commits! This is the first major release of HarfBuzz. |
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- HarfBuzz is feature-complete now! It should be in par, or better, than |
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both Pango's shapers and old HarfBuzz / Qt shapers. |
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- New Indic shaper, supporting main Indic scripts, Sinhala, and Khmer. |
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- Improved Arabic shaper, with fallback Arabic shaping, supporting Arabic, |
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Sinhala, N'ko, Mongolian, and Mandaic. |
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- New Thai / Lao shaper. |
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- Tibetan / Hangul support in the generic shaper. |
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- Synthetic GDEF support for fonts without a GDEF table. |
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- Fallback mark positioning for fonts without a GPOS table. |
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- Unicode normalization shaping heuristic during glyph mapping. |
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- New experimental Graphite2 backend. |
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- New Uniscribe backend (primarily for testing). |
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- New CoreText backend (primarily for testing). |
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- Major optimization and speedup. |
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- Test suites and testing infrastructure (work in progress). |
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- Greatly improved hb-view cmdline tool. |
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- hb-shape cmdline tool. |
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- Unicode 6.1 support. |
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Summary of API changes: |
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o Changed API: |
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- Users are expected to only include main header files now (ie. hb.h, |
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hb-glib.h, hb-ft.h, ...) |
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- All struct tag names had their initial underscore removed. |
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Ie. "struct _hb_buffer_t" is "struct hb_buffer_t" now. |
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- All set_user_data() functions now take a "replace" boolean parameter. |
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- hb_buffer_create() takes zero arguments now. |
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Use hb_buffer_pre_allocate() to pre-allocate. |
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- hb_buffer_add_utf*() now accept -1 for length parameteres, |
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meaning "nul-terminated". |
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- hb_direction_t enum values changed. |
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- All *_from_string() APIs now take a length parameter to allow for |
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non-nul-terminated strings. A -1 length means "nul-terminated". |
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- Typedef for hb_language_t changed. |
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- hb_get_table_func_t renamed to hb_reference_table_func_t. |
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- hb_ot_layout_table_choose_script() |
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- Various renames in hb-unicode.h. |
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o New API: |
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- hb_buffer_guess_properties() |
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Automatically called by hb_shape(). |
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- hb_buffer_normalize_glyphs() |
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- hb_tag_from_string() |
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- hb-coretext.h |
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- hb-uniscribe.h |
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- hb_face_reference_blob() |
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- hb_face_[sg]et_index() |
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- hb_face_set_upem() |
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- hb_font_get_glyph_name_func_t |
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hb_font_get_glyph_from_name_func_t |
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hb_font_funcs_set_glyph_name_func() |
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hb_font_funcs_set_glyph_from_name_func() |
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hb_font_get_glyph_name() |
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hb_font_get_glyph_from_name() |
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hb_font_glyph_to_string() |
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hb_font_glyph_from_string() |
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- hb_font_set_funcs_data() |
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- hb_ft_font_set_funcs() |
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- hb_ft_font_get_face() |
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- hb-gobject.h (work in progress) |
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- hb_ot_shape_glyphs_closure() |
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hb_ot_layout_substitute_closure_lookup() |
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- hb-set.h |
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- hb_shape_full() |
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- hb_unicode_combining_class_t |
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- hb_unicode_compose_func_t |
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hb_unicode_decompose_func_t |
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hb_unicode_decompose_compatibility_func_t |
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hb_unicode_funcs_set_compose_func() |
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hb_unicode_funcs_set_decompose_func() |
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hb_unicode_funcs_set_decompose_compatibility_func() |
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hb_unicode_compose() |
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hb_unicode_decompose() |
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hb_unicode_decompose_compatibility() |
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o Removed API: |
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- hb_ft_get_font_funcs() |
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- hb_ot_layout_substitute_start() |
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hb_ot_layout_substitute_lookup() |
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hb_ot_layout_substitute_finish() |
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hb_ot_layout_position_start() |
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hb_ot_layout_position_lookup() |
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hb_ot_layout_position_finish() |
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Overview of changes leading to 0.6.0 |
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Friday, May 27, 2011 |
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==================================== |
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Behdad Esfahbod
13 years ago