diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-0.9.25/src/hb-ot-shape-complex-private.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-0.9.25/src/hb-ot-shape-complex-private.hh | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.25/src/hb-ot-shape-complex-private.hh b/Build/source/libs/harfbuzz/harfbuzz-0.9.25/src/hb-ot-shape-complex-private.hh deleted file mode 100644 index ac0072ba565..00000000000 --- a/Build/source/libs/harfbuzz/harfbuzz-0.9.25/src/hb-ot-shape-complex-private.hh +++ /dev/null @@ -1,357 +0,0 @@ -/* - * Copyright © 2010,2011,2012 Google, Inc. - * - * This is part of HarfBuzz, a text shaping library. - * - * Permission is hereby granted, without written agreement and without - * license or royalty fees, to use, copy, modify, and distribute this - * software and its documentation for any purpose, provided that the - * above copyright notice and the following two paragraphs appear in - * all copies of this software. - * - * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR - * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES - * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN - * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * - * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, - * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS - * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO - * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. - * - * Google Author(s): Behdad Esfahbod - */ - -#ifndef HB_OT_SHAPE_COMPLEX_PRIVATE_HH -#define HB_OT_SHAPE_COMPLEX_PRIVATE_HH - -#include "hb-private.hh" - -#include "hb-ot-shape-private.hh" -#include "hb-ot-shape-normalize-private.hh" - - - -/* buffer var allocations, used by complex shapers */ -#define complex_var_u8_0() var2.u8[2] -#define complex_var_u8_1() var2.u8[3] - - -enum hb_ot_shape_zero_width_marks_type_t { - HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE, -// HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_UNICODE_EARLY, - HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_UNICODE_LATE, - HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY, - HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE -}; - - -/* Master OT shaper list */ -#define HB_COMPLEX_SHAPERS_IMPLEMENT_SHAPERS \ - HB_COMPLEX_SHAPER_IMPLEMENT (default) /* should be first */ \ - HB_COMPLEX_SHAPER_IMPLEMENT (arabic) \ - HB_COMPLEX_SHAPER_IMPLEMENT (indic) \ - HB_COMPLEX_SHAPER_IMPLEMENT (myanmar) \ - HB_COMPLEX_SHAPER_IMPLEMENT (sea) \ - HB_COMPLEX_SHAPER_IMPLEMENT (thai) \ - /* ^--- Add new shapers here */ - - -struct hb_ot_complex_shaper_t -{ - char name[8]; - - /* collect_features() - * Called during shape_plan(). - * Shapers should use plan->map to add their features and callbacks. - * May be NULL. - */ - void (*collect_features) (hb_ot_shape_planner_t *plan); - - /* override_features() - * Called during shape_plan(). - * Shapers should use plan->map to override features and add callbacks after - * common features are added. - * May be NULL. - */ - void (*override_features) (hb_ot_shape_planner_t *plan); - - - /* data_create() - * Called at the end of shape_plan(). - * Whatever shapers return will be accessible through plan->data later. - * If NULL is returned, means a plan failure. - */ - void *(*data_create) (const hb_ot_shape_plan_t *plan); - - /* data_destroy() - * Called when the shape_plan is being destroyed. - * plan->data is passed here for destruction. - * If NULL is returned, means a plan failure. - * May be NULL. - */ - void (*data_destroy) (void *data); - - - /* preprocess_text() - * Called during shape(). - * Shapers can use to modify text before shaping starts. - * May be NULL. - */ - void (*preprocess_text) (const hb_ot_shape_plan_t *plan, - hb_buffer_t *buffer, - hb_font_t *font); - - - /* normalization_preference() - * Called during shape(). - * May be NULL. - */ - hb_ot_shape_normalization_mode_t - (*normalization_preference) (const hb_segment_properties_t *props); - - /* decompose() - * Called during shape()'s normalization. - * May be NULL. - */ - bool (*decompose) (const hb_ot_shape_normalize_context_t *c, - hb_codepoint_t ab, - hb_codepoint_t *a, - hb_codepoint_t *b); - - /* compose() - * Called during shape()'s normalization. - * May be NULL. - */ - bool (*compose) (const hb_ot_shape_normalize_context_t *c, - hb_codepoint_t a, - hb_codepoint_t b, - hb_codepoint_t *ab); - - /* setup_masks() - * Called during shape(). - * Shapers should use map to get feature masks and set on buffer. - * Shapers may NOT modify characters. - * May be NULL. - */ - void (*setup_masks) (const hb_ot_shape_plan_t *plan, - hb_buffer_t *buffer, - hb_font_t *font); - - hb_ot_shape_zero_width_marks_type_t zero_width_marks; - - bool fallback_position; -}; - -#define HB_COMPLEX_SHAPER_IMPLEMENT(name) extern HB_INTERNAL const hb_ot_complex_shaper_t _hb_ot_complex_shaper_##name; -HB_COMPLEX_SHAPERS_IMPLEMENT_SHAPERS -#undef HB_COMPLEX_SHAPER_IMPLEMENT - - -static inline const hb_ot_complex_shaper_t * -hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner) -{ - switch ((hb_tag_t) planner->props.script) - { - default: - return &_hb_ot_complex_shaper_default; - - - /* Unicode-1.1 additions */ - case HB_SCRIPT_ARABIC: - - /* Unicode-3.0 additions */ - case HB_SCRIPT_MONGOLIAN: - case HB_SCRIPT_SYRIAC: - - /* Unicode-5.0 additions */ - case HB_SCRIPT_NKO: - case HB_SCRIPT_PHAGS_PA: - - /* Unicode-6.0 additions */ - case HB_SCRIPT_MANDAIC: - - /* For Arabic script, use the Arabic shaper even if no OT script tag was found. - * This is because we do fallback shaping for Arabic script (and not others). */ - if (planner->map.chosen_script[0] != HB_OT_TAG_DEFAULT_SCRIPT || - planner->props.script == HB_SCRIPT_ARABIC) - return &_hb_ot_complex_shaper_arabic; - else - return &_hb_ot_complex_shaper_default; - - - /* Unicode-1.1 additions */ - case HB_SCRIPT_THAI: - case HB_SCRIPT_LAO: - - return &_hb_ot_complex_shaper_thai; - - -#if 0 - /* Note: - * Currently we don't have a separate Hangul shaper. The default shaper handles - * Hangul by enabling jamo features. We may want to implement a separate shaper - * in the future. See this thread for details of what such a shaper would do: - * - * http://lists.freedesktop.org/archives/harfbuzz/2013-April/003070.html - */ - /* Unicode-1.1 additions */ - case HB_SCRIPT_HANGUL: - - return &_hb_ot_complex_shaper_hangul; -#endif - - - /* ^--- Add new shapers here */ - - -#if 0 - /* Note: - * - * These disabled scripts are listed in ucd/IndicSyllabicCategory.txt, but according - * to Martin Hosken and Jonathan Kew do not require complex shaping. - * - * TODO We should automate figuring out which scripts do not need complex shaping - * - * TODO We currently keep data for these scripts in our indic table. Need to fix the - * generator to not do that. - */ - - - /* Simple? */ - - /* Unicode-3.2 additions */ - case HB_SCRIPT_BUHID: - case HB_SCRIPT_HANUNOO: - - /* Unicode-5.1 additions */ - case HB_SCRIPT_SAURASHTRA: - - /* Unicode-6.0 additions */ - case HB_SCRIPT_BATAK: - case HB_SCRIPT_BRAHMI: - - - /* Simple */ - - /* Unicode-1.1 additions */ - /* These have their own shaper now. */ - case HB_SCRIPT_LAO: - case HB_SCRIPT_THAI: - - /* Unicode-2.0 additions */ - case HB_SCRIPT_TIBETAN: - - /* Unicode-3.2 additions */ - case HB_SCRIPT_TAGALOG: - case HB_SCRIPT_TAGBANWA: - - /* Unicode-4.0 additions */ - case HB_SCRIPT_LIMBU: - case HB_SCRIPT_TAI_LE: - - /* Unicode-4.1 additions */ - case HB_SCRIPT_KHAROSHTHI: - case HB_SCRIPT_SYLOTI_NAGRI: - - /* Unicode-5.1 additions */ - case HB_SCRIPT_KAYAH_LI: - - /* Unicode-5.2 additions */ - case HB_SCRIPT_TAI_VIET: - - -#endif - - /* Unicode-1.1 additions */ - case HB_SCRIPT_BENGALI: - case HB_SCRIPT_DEVANAGARI: - case HB_SCRIPT_GUJARATI: - case HB_SCRIPT_GURMUKHI: - case HB_SCRIPT_KANNADA: - case HB_SCRIPT_MALAYALAM: - case HB_SCRIPT_ORIYA: - case HB_SCRIPT_TAMIL: - case HB_SCRIPT_TELUGU: - - /* Unicode-3.0 additions */ - case HB_SCRIPT_SINHALA: - - /* Unicode-5.0 additions */ - case HB_SCRIPT_BALINESE: - - /* Unicode-5.1 additions */ - case HB_SCRIPT_LEPCHA: - case HB_SCRIPT_REJANG: - case HB_SCRIPT_SUNDANESE: - - /* Unicode-5.2 additions */ - case HB_SCRIPT_JAVANESE: - case HB_SCRIPT_KAITHI: - case HB_SCRIPT_MEETEI_MAYEK: - - /* Unicode-6.0 additions */ - - /* Unicode-6.1 additions */ - case HB_SCRIPT_CHAKMA: - case HB_SCRIPT_SHARADA: - case HB_SCRIPT_TAKRI: - - /* If the designer designed the font for the 'DFLT' script, - * use the default shaper. Otherwise, use the Indic shaper. - * Note that for some simple scripts, there may not be *any* - * GSUB/GPOS needed, so there may be no scripts found! */ - if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T')) - return &_hb_ot_complex_shaper_default; - else - return &_hb_ot_complex_shaper_indic; - - case HB_SCRIPT_KHMER: - /* A number of Khmer fonts in the wild don't have a 'pref' feature, - * and as such won't shape properly via the Indic shaper; - * however, they typically have 'liga' / 'clig' features that implement - * the necessary "reordering" by means of ligature substitutions. - * So we send such pref-less fonts through the generic shaper instead. */ - if (planner->map.found_script[0] && - hb_ot_layout_language_find_feature (planner->face, HB_OT_TAG_GSUB, - planner->map.script_index[0], - planner->map.language_index[0], - HB_TAG ('p','r','e','f'), - NULL)) - return &_hb_ot_complex_shaper_indic; - else - return &_hb_ot_complex_shaper_default; - - case HB_SCRIPT_MYANMAR: - /* For Myanmar, we only want to use the Myanmar shaper if the "new" script - * tag is found. For "old" script tag we want to use the default shaper. */ - if (planner->map.chosen_script[0] == HB_TAG ('m','y','m','2')) - return &_hb_ot_complex_shaper_myanmar; - else - return &_hb_ot_complex_shaper_default; - - /* Unicode-4.1 additions */ - case HB_SCRIPT_BUGINESE: - case HB_SCRIPT_NEW_TAI_LUE: - - /* Unicode-5.1 additions */ - case HB_SCRIPT_CHAM: - - /* Unicode-5.2 additions */ - case HB_SCRIPT_TAI_THAM: - - /* If the designer designed the font for the 'DFLT' script, - * use the default shaper. Otherwise, use the Indic shaper. - * Note that for some simple scripts, there may not be *any* - * GSUB/GPOS needed, so there may be no scripts found! */ - if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T')) - return &_hb_ot_complex_shaper_default; - else - return &_hb_ot_complex_shaper_sea; - } -} - - -#endif /* HB_OT_SHAPE_COMPLEX_PRIVATE_HH */ |