7 * license or royalty fees, to use, copy, modify, and distribute this 8 * software and its documentation for any purpose, provided that the 9 * above copyright notice and the following two paragraphs appear in 10 * all copies of this software. 11 * 12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 16 * DAMAGE. 17 * 18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 23 * 24 * Google Author(s): Behdad Esfahbod 25 */ 26 27 #ifndef HB_OT_SHAPE_COMPLEX_PRIVATE_HH 28 #define HB_OT_SHAPE_COMPLEX_PRIVATE_HH 29 30 #include "hb-private.hh" 31 32 #include "hb-ot-shape-private.hh" 33 #include "hb-ot-shape-normalize-private.hh" 34 35 36 37 /* buffer var allocations, used by complex shapers */ 38 #define complex_var_u8_0() var2.u8[2] 39 #define complex_var_u8_1() var2.u8[3] 40 41 42 #define HB_OT_SHAPE_COMPLEX_MAX_COMBINING_MARKS 32 43 44 enum hb_ot_shape_zero_width_marks_type_t { 45 HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE, 46 HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY, 47 HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE 48 }; 49 50 51 /* Master OT shaper list */ 52 #define HB_COMPLEX_SHAPERS_IMPLEMENT_SHAPERS \ 53 HB_COMPLEX_SHAPER_IMPLEMENT (default) /* should be first */ \ 54 HB_COMPLEX_SHAPER_IMPLEMENT (arabic) \ 55 HB_COMPLEX_SHAPER_IMPLEMENT (hangul) \ 56 HB_COMPLEX_SHAPER_IMPLEMENT (hebrew) \ 57 HB_COMPLEX_SHAPER_IMPLEMENT (indic) \ 58 HB_COMPLEX_SHAPER_IMPLEMENT (khmer) \ 59 HB_COMPLEX_SHAPER_IMPLEMENT (myanmar) \ 60 HB_COMPLEX_SHAPER_IMPLEMENT (myanmar_old) \ 61 HB_COMPLEX_SHAPER_IMPLEMENT (thai) \ 62 HB_COMPLEX_SHAPER_IMPLEMENT (tibetan) \ 63 HB_COMPLEX_SHAPER_IMPLEMENT (use) \ 64 /* ^--- Add new shapers here */ 65 66 67 struct hb_ot_complex_shaper_t 68 { 69 /* collect_features() 70 * Called during shape_plan(). 71 * Shapers should use plan->map to add their features and callbacks. 72 * May be nullptr. 73 */ 74 void (*collect_features) (hb_ot_shape_planner_t *plan); 75 76 /* override_features() 77 * Called during shape_plan(). 78 * Shapers should use plan->map to override features and add callbacks after 79 * common features are added. 80 * May be nullptr. 81 */ 82 void (*override_features) (hb_ot_shape_planner_t *plan); 83 84 85 /* data_create() 86 * Called at the end of shape_plan(). 87 * Whatever shapers return will be accessible through plan->data later. 88 * If nullptr is returned, means a plan failure. 89 */ 90 void *(*data_create) (const hb_ot_shape_plan_t *plan); 91 92 /* data_destroy() 93 * Called when the shape_plan is being destroyed. 94 * plan->data is passed here for destruction. 95 * If nullptr is returned, means a plan failure. 96 * May be nullptr. 97 */ 98 void (*data_destroy) (void *data); 99 100 101 /* preprocess_text() 102 * Called during shape(). 103 * Shapers can use to modify text before shaping starts. 104 * May be nullptr. 105 */ 106 void (*preprocess_text) (const hb_ot_shape_plan_t *plan, 107 hb_buffer_t *buffer, 108 hb_font_t *font); 109 110 /* postprocess_glyphs() 111 * Called during shape(). 112 * Shapers can use to modify glyphs after shaping ends. 113 * May be nullptr. 114 */ 115 void (*postprocess_glyphs) (const hb_ot_shape_plan_t *plan, 116 hb_buffer_t *buffer, 117 hb_font_t *font); 118 119 120 hb_ot_shape_normalization_mode_t normalization_preference; 121 122 /* decompose() 123 * Called during shape()'s normalization. 124 * May be nullptr. 125 */ 126 bool (*decompose) (const hb_ot_shape_normalize_context_t *c, 127 hb_codepoint_t ab, 128 hb_codepoint_t *a, 129 hb_codepoint_t *b); 130 131 /* compose() 132 * Called during shape()'s normalization. 133 * May be nullptr. 134 */ 135 bool (*compose) (const hb_ot_shape_normalize_context_t *c, 136 hb_codepoint_t a, 137 hb_codepoint_t b, 138 hb_codepoint_t *ab); 139 140 /* setup_masks() 141 * Called during shape(). 142 * Shapers should use map to get feature masks and set on buffer. 143 * Shapers may NOT modify characters. 144 * May be nullptr. 145 */ 146 void (*setup_masks) (const hb_ot_shape_plan_t *plan, 147 hb_buffer_t *buffer, 148 hb_font_t *font); 149 150 /* disable_otl() 151 * Called during shape(). 152 * If set and returns true, GDEF/GSUB/GPOS of the font are ignored 153 * and fallback operations used. 154 * May be nullptr. 155 */ 156 bool (*disable_otl) (const hb_ot_shape_plan_t *plan); 157 158 /* reorder_marks() 159 * Called during shape(). 160 * Shapers can use to modify ordering of combining marks. 161 * May be nullptr. 162 */ 163 void (*reorder_marks) (const hb_ot_shape_plan_t *plan, 164 hb_buffer_t *buffer, 165 unsigned int start, 166 unsigned int end); 167 168 hb_ot_shape_zero_width_marks_type_t zero_width_marks; 169 170 bool fallback_position; 171 }; 172 173 #define HB_COMPLEX_SHAPER_IMPLEMENT(name) extern HB_INTERNAL const hb_ot_complex_shaper_t _hb_ot_complex_shaper_##name; 174 HB_COMPLEX_SHAPERS_IMPLEMENT_SHAPERS 175 #undef HB_COMPLEX_SHAPER_IMPLEMENT 176 177 178 static inline const hb_ot_complex_shaper_t * 179 hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner) 180 { 181 switch ((hb_tag_t) planner->props.script) 217 planner->props.script == HB_SCRIPT_ARABIC) && 218 HB_DIRECTION_IS_HORIZONTAL(planner->props.direction)) 219 return &_hb_ot_complex_shaper_arabic; 220 else 221 return &_hb_ot_complex_shaper_default; 222 223 224 /* Unicode-1.1 additions */ 225 case HB_SCRIPT_THAI: 226 case HB_SCRIPT_LAO: 227 228 return &_hb_ot_complex_shaper_thai; 229 230 231 /* Unicode-1.1 additions */ 232 case HB_SCRIPT_HANGUL: 233 234 return &_hb_ot_complex_shaper_hangul; 235 236 237 /* Unicode-2.0 additions */ 238 case HB_SCRIPT_TIBETAN: 239 240 return &_hb_ot_complex_shaper_tibetan; 241 242 243 /* Unicode-1.1 additions */ 244 case HB_SCRIPT_HEBREW: 245 246 return &_hb_ot_complex_shaper_hebrew; 247 248 249 /* ^--- Add new shapers here */ 250 251 #if 0 252 /* Unicode-4.1 additions */ 253 case HB_SCRIPT_NEW_TAI_LUE: 254 #endif 255 256 /* Unicode-1.1 additions */ 257 case HB_SCRIPT_BENGALI: 258 case HB_SCRIPT_DEVANAGARI: 259 case HB_SCRIPT_GUJARATI: 260 case HB_SCRIPT_GURMUKHI: 261 case HB_SCRIPT_KANNADA: 262 case HB_SCRIPT_MALAYALAM: 263 case HB_SCRIPT_ORIYA: 264 case HB_SCRIPT_TAMIL: 265 case HB_SCRIPT_TELUGU: 266 267 /* Unicode-3.0 additions */ 268 case HB_SCRIPT_SINHALA: 269 270 /* If the designer designed the font for the 'DFLT' script, 271 * (or we ended up arbitrarily pick 'latn'), use the default shaper. 272 * Otherwise, use the specific shaper. 273 * Note that for some simple scripts, there may not be *any* 274 * GSUB/GPOS needed, so there may be no scripts found! */ 275 if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T') || 276 planner->map.chosen_script[0] == HB_TAG ('l','a','t','n')) 277 return &_hb_ot_complex_shaper_default; 278 else 279 return &_hb_ot_complex_shaper_indic; 280 281 case HB_SCRIPT_KHMER: 282 /* A number of Khmer fonts in the wild don't have a 'pref' feature, 283 * and as such won't shape properly via the Indic shaper; 284 * however, they typically have 'liga' / 'clig' features that implement 285 * the necessary "reordering" by means of ligature substitutions. 286 * So we send such pref-less fonts through the generic shaper instead. */ 287 if (planner->map.found_script[0] && 288 hb_ot_layout_language_find_feature (planner->face, HB_OT_TAG_GSUB, 289 planner->map.script_index[0], 290 planner->map.language_index[0], 291 HB_TAG ('p','r','e','f'), 292 nullptr)) 293 return &_hb_ot_complex_shaper_khmer; 294 else 295 return &_hb_ot_complex_shaper_default; 296 297 case HB_SCRIPT_MYANMAR: 298 if (planner->map.chosen_script[0] == HB_TAG ('m','y','m','2')) 299 return &_hb_ot_complex_shaper_myanmar; 300 else if (planner->map.chosen_script[0] == HB_TAG ('m','y','m','r')) 301 return &_hb_ot_complex_shaper_myanmar_old; 302 else 303 return &_hb_ot_complex_shaper_default; 304 305 306 /* Unicode-2.0 additions */ 307 //case HB_SCRIPT_TIBETAN: 308 309 /* Unicode-3.0 additions */ 310 //case HB_SCRIPT_MONGOLIAN: 311 //case HB_SCRIPT_SINHALA: 312 313 /* Unicode-3.2 additions */ 314 case HB_SCRIPT_BUHID: 315 case HB_SCRIPT_HANUNOO: 316 case HB_SCRIPT_TAGALOG: 317 case HB_SCRIPT_TAGBANWA: 318 319 /* Unicode-4.0 additions */ 320 case HB_SCRIPT_LIMBU: 321 case HB_SCRIPT_TAI_LE: 322 323 /* Unicode-4.1 additions */ 324 case HB_SCRIPT_BUGINESE: 325 case HB_SCRIPT_KHAROSHTHI: 326 case HB_SCRIPT_SYLOTI_NAGRI: 327 case HB_SCRIPT_TIFINAGH: 355 /* Unicode-6.1 additions */ 356 case HB_SCRIPT_CHAKMA: 357 case HB_SCRIPT_SHARADA: 358 case HB_SCRIPT_TAKRI: 359 360 /* Unicode-7.0 additions */ 361 case HB_SCRIPT_DUPLOYAN: 362 case HB_SCRIPT_GRANTHA: 363 case HB_SCRIPT_KHOJKI: 364 case HB_SCRIPT_KHUDAWADI: 365 case HB_SCRIPT_MAHAJANI: 366 //case HB_SCRIPT_MANICHAEAN: 367 case HB_SCRIPT_MODI: 368 case HB_SCRIPT_PAHAWH_HMONG: 369 //case HB_SCRIPT_PSALTER_PAHLAVI: 370 case HB_SCRIPT_SIDDHAM: 371 case HB_SCRIPT_TIRHUTA: 372 373 /* Unicode-8.0 additions */ 374 case HB_SCRIPT_AHOM: 375 //case HB_SCRIPT_MULTANI: 376 377 /* Unicode-9.0 additions */ 378 case HB_SCRIPT_BHAIKSUKI: 379 case HB_SCRIPT_MARCHEN: 380 case HB_SCRIPT_NEWA: 381 382 /* Unicode-10.0 additions */ 383 case HB_SCRIPT_MASARAM_GONDI: 384 case HB_SCRIPT_SOYOMBO: 385 case HB_SCRIPT_ZANABAZAR_SQUARE: 386 387 /* Unicode-11.0 additions */ 388 case HB_SCRIPT_DOGRA: 389 case HB_SCRIPT_GUNJALA_GONDI: 390 case HB_SCRIPT_MAKASAR: 391 392 /* If the designer designed the font for the 'DFLT' script, 393 * (or we ended up arbitrarily pick 'latn'), use the default shaper. 394 * Otherwise, use the specific shaper. 395 * Note that for some simple scripts, there may not be *any* 396 * GSUB/GPOS needed, so there may be no scripts found! */ 397 if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T') || 398 planner->map.chosen_script[0] == HB_TAG ('l','a','t','n')) 399 return &_hb_ot_complex_shaper_default; 400 else 401 return &_hb_ot_complex_shaper_use; 402 } 403 } 404 405 406 #endif /* HB_OT_SHAPE_COMPLEX_PRIVATE_HH */ | 7 * license or royalty fees, to use, copy, modify, and distribute this 8 * software and its documentation for any purpose, provided that the 9 * above copyright notice and the following two paragraphs appear in 10 * all copies of this software. 11 * 12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 16 * DAMAGE. 17 * 18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 23 * 24 * Google Author(s): Behdad Esfahbod 25 */ 26 27 #ifndef HB_OT_SHAPE_COMPLEX_HH 28 #define HB_OT_SHAPE_COMPLEX_HH 29 30 #include "hb.hh" 31 32 #include "hb-ot-layout.hh" 33 #include "hb-ot-shape.hh" 34 #include "hb-ot-shape-normalize.hh" 35 36 37 /* buffer var allocations, used by complex shapers */ 38 #define complex_var_u8_0() var2.u8[2] 39 #define complex_var_u8_1() var2.u8[3] 40 41 42 #define HB_OT_SHAPE_COMPLEX_MAX_COMBINING_MARKS 32 43 44 enum hb_ot_shape_zero_width_marks_type_t { 45 HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE, 46 HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY, 47 HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE 48 }; 49 50 51 /* Master OT shaper list */ 52 #define HB_COMPLEX_SHAPERS_IMPLEMENT_SHAPERS \ 53 HB_COMPLEX_SHAPER_IMPLEMENT (default) /* should be first */ \ 54 HB_COMPLEX_SHAPER_IMPLEMENT (arabic) \ 55 HB_COMPLEX_SHAPER_IMPLEMENT (hangul) \ 56 HB_COMPLEX_SHAPER_IMPLEMENT (hebrew) \ 57 HB_COMPLEX_SHAPER_IMPLEMENT (indic) \ 58 HB_COMPLEX_SHAPER_IMPLEMENT (khmer) \ 59 HB_COMPLEX_SHAPER_IMPLEMENT (myanmar) \ 60 HB_COMPLEX_SHAPER_IMPLEMENT (myanmar_zawgyi) \ 61 HB_COMPLEX_SHAPER_IMPLEMENT (thai) \ 62 HB_COMPLEX_SHAPER_IMPLEMENT (use) \ 63 /* ^--- Add new shapers here */ 64 65 66 struct hb_ot_complex_shaper_t 67 { 68 /* collect_features() 69 * Called during shape_plan(). 70 * Shapers should use plan->map to add their features and callbacks. 71 * May be NULL. 72 */ 73 void (*collect_features) (hb_ot_shape_planner_t *plan); 74 75 /* override_features() 76 * Called during shape_plan(). 77 * Shapers should use plan->map to override features and add callbacks after 78 * common features are added. 79 * May be NULL. 80 */ 81 void (*override_features) (hb_ot_shape_planner_t *plan); 82 83 84 /* data_create() 85 * Called at the end of shape_plan(). 86 * Whatever shapers return will be accessible through plan->data later. 87 * If nullptr is returned, means a plan failure. 88 */ 89 void *(*data_create) (const hb_ot_shape_plan_t *plan); 90 91 /* data_destroy() 92 * Called when the shape_plan is being destroyed. 93 * plan->data is passed here for destruction. 94 * If nullptr is returned, means a plan failure. 95 * May be NULL. 96 */ 97 void (*data_destroy) (void *data); 98 99 100 /* preprocess_text() 101 * Called during shape(). 102 * Shapers can use to modify text before shaping starts. 103 * May be NULL. 104 */ 105 void (*preprocess_text) (const hb_ot_shape_plan_t *plan, 106 hb_buffer_t *buffer, 107 hb_font_t *font); 108 109 /* postprocess_glyphs() 110 * Called during shape(). 111 * Shapers can use to modify glyphs after shaping ends. 112 * May be NULL. 113 */ 114 void (*postprocess_glyphs) (const hb_ot_shape_plan_t *plan, 115 hb_buffer_t *buffer, 116 hb_font_t *font); 117 118 119 hb_ot_shape_normalization_mode_t normalization_preference; 120 121 /* decompose() 122 * Called during shape()'s normalization. 123 * May be NULL. 124 */ 125 bool (*decompose) (const hb_ot_shape_normalize_context_t *c, 126 hb_codepoint_t ab, 127 hb_codepoint_t *a, 128 hb_codepoint_t *b); 129 130 /* compose() 131 * Called during shape()'s normalization. 132 * May be NULL. 133 */ 134 bool (*compose) (const hb_ot_shape_normalize_context_t *c, 135 hb_codepoint_t a, 136 hb_codepoint_t b, 137 hb_codepoint_t *ab); 138 139 /* setup_masks() 140 * Called during shape(). 141 * Shapers should use map to get feature masks and set on buffer. 142 * Shapers may NOT modify characters. 143 * May be NULL. 144 */ 145 void (*setup_masks) (const hb_ot_shape_plan_t *plan, 146 hb_buffer_t *buffer, 147 hb_font_t *font); 148 149 /* gpos_tag() 150 * If not HB_TAG_NONE, then must match found GPOS script tag for 151 * GPOS to be applied. Otherwise, fallback positioning will be used. 152 */ 153 hb_tag_t gpos_tag; 154 155 /* reorder_marks() 156 * Called during shape(). 157 * Shapers can use to modify ordering of combining marks. 158 * May be NULL. 159 */ 160 void (*reorder_marks) (const hb_ot_shape_plan_t *plan, 161 hb_buffer_t *buffer, 162 unsigned int start, 163 unsigned int end); 164 165 hb_ot_shape_zero_width_marks_type_t zero_width_marks; 166 167 bool fallback_position; 168 }; 169 170 #define HB_COMPLEX_SHAPER_IMPLEMENT(name) extern HB_INTERNAL const hb_ot_complex_shaper_t _hb_ot_complex_shaper_##name; 171 HB_COMPLEX_SHAPERS_IMPLEMENT_SHAPERS 172 #undef HB_COMPLEX_SHAPER_IMPLEMENT 173 174 175 static inline const hb_ot_complex_shaper_t * 176 hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner) 177 { 178 switch ((hb_tag_t) planner->props.script) 214 planner->props.script == HB_SCRIPT_ARABIC) && 215 HB_DIRECTION_IS_HORIZONTAL(planner->props.direction)) 216 return &_hb_ot_complex_shaper_arabic; 217 else 218 return &_hb_ot_complex_shaper_default; 219 220 221 /* Unicode-1.1 additions */ 222 case HB_SCRIPT_THAI: 223 case HB_SCRIPT_LAO: 224 225 return &_hb_ot_complex_shaper_thai; 226 227 228 /* Unicode-1.1 additions */ 229 case HB_SCRIPT_HANGUL: 230 231 return &_hb_ot_complex_shaper_hangul; 232 233 234 /* Unicode-1.1 additions */ 235 case HB_SCRIPT_HEBREW: 236 237 return &_hb_ot_complex_shaper_hebrew; 238 239 240 /* Unicode-1.1 additions */ 241 case HB_SCRIPT_BENGALI: 242 case HB_SCRIPT_DEVANAGARI: 243 case HB_SCRIPT_GUJARATI: 244 case HB_SCRIPT_GURMUKHI: 245 case HB_SCRIPT_KANNADA: 246 case HB_SCRIPT_MALAYALAM: 247 case HB_SCRIPT_ORIYA: 248 case HB_SCRIPT_TAMIL: 249 case HB_SCRIPT_TELUGU: 250 251 /* Unicode-3.0 additions */ 252 case HB_SCRIPT_SINHALA: 253 254 /* If the designer designed the font for the 'DFLT' script, 255 * (or we ended up arbitrarily pick 'latn'), use the default shaper. 256 * Otherwise, use the specific shaper. 257 * 258 * If it's indy3 tag, send to USE. */ 259 if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T') || 260 planner->map.chosen_script[0] == HB_TAG ('l','a','t','n')) 261 return &_hb_ot_complex_shaper_default; 262 else if ((planner->map.chosen_script[0] & 0x000000FF) == '3') 263 return &_hb_ot_complex_shaper_use; 264 else 265 return &_hb_ot_complex_shaper_indic; 266 267 case HB_SCRIPT_KHMER: 268 return &_hb_ot_complex_shaper_khmer; 269 270 case HB_SCRIPT_MYANMAR: 271 /* If the designer designed the font for the 'DFLT' script, 272 * (or we ended up arbitrarily pick 'latn'), use the default shaper. 273 * Otherwise, use the specific shaper. 274 * 275 * If designer designed for 'mymr' tag, also send to default 276 * shaper. That's tag used from before Myanmar shaping spec 277 * was developed. The shaping spec uses 'mym2' tag. */ 278 if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T') || 279 planner->map.chosen_script[0] == HB_TAG ('l','a','t','n') || 280 planner->map.chosen_script[0] == HB_TAG ('m','y','m','r')) 281 return &_hb_ot_complex_shaper_default; 282 else 283 return &_hb_ot_complex_shaper_myanmar; 284 285 286 /* https://github.com/harfbuzz/harfbuzz/issues/1162 */ 287 case HB_SCRIPT_MYANMAR_ZAWGYI: 288 289 return &_hb_ot_complex_shaper_myanmar_zawgyi; 290 291 292 /* Unicode-2.0 additions */ 293 case HB_SCRIPT_TIBETAN: 294 295 /* Unicode-3.0 additions */ 296 //case HB_SCRIPT_MONGOLIAN: 297 //case HB_SCRIPT_SINHALA: 298 299 /* Unicode-3.2 additions */ 300 case HB_SCRIPT_BUHID: 301 case HB_SCRIPT_HANUNOO: 302 case HB_SCRIPT_TAGALOG: 303 case HB_SCRIPT_TAGBANWA: 304 305 /* Unicode-4.0 additions */ 306 case HB_SCRIPT_LIMBU: 307 case HB_SCRIPT_TAI_LE: 308 309 /* Unicode-4.1 additions */ 310 case HB_SCRIPT_BUGINESE: 311 case HB_SCRIPT_KHAROSHTHI: 312 case HB_SCRIPT_SYLOTI_NAGRI: 313 case HB_SCRIPT_TIFINAGH: 341 /* Unicode-6.1 additions */ 342 case HB_SCRIPT_CHAKMA: 343 case HB_SCRIPT_SHARADA: 344 case HB_SCRIPT_TAKRI: 345 346 /* Unicode-7.0 additions */ 347 case HB_SCRIPT_DUPLOYAN: 348 case HB_SCRIPT_GRANTHA: 349 case HB_SCRIPT_KHOJKI: 350 case HB_SCRIPT_KHUDAWADI: 351 case HB_SCRIPT_MAHAJANI: 352 //case HB_SCRIPT_MANICHAEAN: 353 case HB_SCRIPT_MODI: 354 case HB_SCRIPT_PAHAWH_HMONG: 355 //case HB_SCRIPT_PSALTER_PAHLAVI: 356 case HB_SCRIPT_SIDDHAM: 357 case HB_SCRIPT_TIRHUTA: 358 359 /* Unicode-8.0 additions */ 360 case HB_SCRIPT_AHOM: 361 362 /* Unicode-9.0 additions */ 363 //case HB_SCRIPT_ADLAM: 364 case HB_SCRIPT_BHAIKSUKI: 365 case HB_SCRIPT_MARCHEN: 366 case HB_SCRIPT_NEWA: 367 368 /* Unicode-10.0 additions */ 369 case HB_SCRIPT_MASARAM_GONDI: 370 case HB_SCRIPT_SOYOMBO: 371 case HB_SCRIPT_ZANABAZAR_SQUARE: 372 373 /* Unicode-11.0 additions */ 374 case HB_SCRIPT_DOGRA: 375 case HB_SCRIPT_GUNJALA_GONDI: 376 //case HB_SCRIPT_HANIFI_ROHINGYA: 377 case HB_SCRIPT_MAKASAR: 378 //case HB_SCRIPT_SOGDIAN: 379 380 /* If the designer designed the font for the 'DFLT' script, 381 * (or we ended up arbitrarily pick 'latn'), use the default shaper. 382 * Otherwise, use the specific shaper. 383 * Note that for some simple scripts, there may not be *any* 384 * GSUB/GPOS needed, so there may be no scripts found! */ 385 if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T') || 386 planner->map.chosen_script[0] == HB_TAG ('l','a','t','n')) 387 return &_hb_ot_complex_shaper_default; 388 else 389 return &_hb_ot_complex_shaper_use; 390 } 391 } 392 393 394 #endif /* HB_OT_SHAPE_COMPLEX_HH */ |