93 hb_position_t reserved6;
94 hb_position_t reserved5;
95 hb_position_t reserved4;
96 hb_position_t reserved3;
97 hb_position_t reserved2;
98 hb_position_t reserved1;
99 } hb_font_extents_t;
100
101 /* Note that height is negative in coordinate systems that grow up. */
102 typedef struct hb_glyph_extents_t
103 {
104 hb_position_t x_bearing; /* left side of glyph from origin. */
105 hb_position_t y_bearing; /* top side of glyph from origin. */
106 hb_position_t width; /* distance from left to right side. */
107 hb_position_t height; /* distance from top to bottom side. */
108 } hb_glyph_extents_t;
109
110 /* func types */
111
112 typedef hb_bool_t (*hb_font_get_font_extents_func_t) (hb_font_t *font, void *font_data,
113 hb_font_extents_t *metrics,
114 void *user_data);
115 typedef hb_font_get_font_extents_func_t hb_font_get_font_h_extents_func_t;
116 typedef hb_font_get_font_extents_func_t hb_font_get_font_v_extents_func_t;
117
118
119 typedef hb_bool_t (*hb_font_get_nominal_glyph_func_t) (hb_font_t *font, void *font_data,
120 hb_codepoint_t unicode,
121 hb_codepoint_t *glyph,
122 void *user_data);
123 typedef hb_bool_t (*hb_font_get_variation_glyph_func_t) (hb_font_t *font, void *font_data,
124 hb_codepoint_t unicode, hb_codepoint_t variation_selector,
125 hb_codepoint_t *glyph,
126 void *user_data);
127
128
129 typedef hb_position_t (*hb_font_get_glyph_advance_func_t) (hb_font_t *font, void *font_data,
130 hb_codepoint_t glyph,
131 void *user_data);
132 typedef hb_font_get_glyph_advance_func_t hb_font_get_glyph_h_advance_func_t;
133 typedef hb_font_get_glyph_advance_func_t hb_font_get_glyph_v_advance_func_t;
134
135 typedef hb_bool_t (*hb_font_get_glyph_origin_func_t) (hb_font_t *font, void *font_data,
136 hb_codepoint_t glyph,
137 hb_position_t *x, hb_position_t *y,
138 void *user_data);
139 typedef hb_font_get_glyph_origin_func_t hb_font_get_glyph_h_origin_func_t;
140 typedef hb_font_get_glyph_origin_func_t hb_font_get_glyph_v_origin_func_t;
141
142 typedef hb_position_t (*hb_font_get_glyph_kerning_func_t) (hb_font_t *font, void *font_data,
143 hb_codepoint_t first_glyph, hb_codepoint_t second_glyph,
144 void *user_data);
145 typedef hb_font_get_glyph_kerning_func_t hb_font_get_glyph_h_kerning_func_t;
146 typedef hb_font_get_glyph_kerning_func_t hb_font_get_glyph_v_kerning_func_t;
147
148
149 typedef hb_bool_t (*hb_font_get_glyph_extents_func_t) (hb_font_t *font, void *font_data,
150 hb_codepoint_t glyph,
151 hb_glyph_extents_t *extents,
152 void *user_data);
153 typedef hb_bool_t (*hb_font_get_glyph_contour_point_func_t) (hb_font_t *font, void *font_data,
154 hb_codepoint_t glyph, unsigned int point_index,
155 hb_position_t *x, hb_position_t *y,
156 void *user_data);
157
158
159 typedef hb_bool_t (*hb_font_get_glyph_name_func_t) (hb_font_t *font, void *font_data,
160 hb_codepoint_t glyph,
161 char *name, unsigned int size,
162 void *user_data);
163 typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void *font_data,
164 const char *name, int len, /* -1 means nul-terminated */
165 hb_codepoint_t *glyph,
166 void *user_data);
167
200 hb_font_get_font_v_extents_func_t func,
201 void *user_data, hb_destroy_func_t destroy);
202
203 /**
204 * hb_font_funcs_set_nominal_glyph_func:
205 * @ffuncs: font functions.
206 * @func: (closure user_data) (destroy destroy) (scope notified):
207 * @user_data:
208 * @destroy:
209 *
210 *
211 *
212 * Since: 1.2.3
213 **/
214 HB_EXTERN void
215 hb_font_funcs_set_nominal_glyph_func (hb_font_funcs_t *ffuncs,
216 hb_font_get_nominal_glyph_func_t func,
217 void *user_data, hb_destroy_func_t destroy);
218
219 /**
220 * hb_font_funcs_set_variation_glyph_func:
221 * @ffuncs: font functions.
222 * @func: (closure user_data) (destroy destroy) (scope notified):
223 * @user_data:
224 * @destroy:
225 *
226 *
227 *
228 * Since: 1.2.3
229 **/
230 HB_EXTERN void
231 hb_font_funcs_set_variation_glyph_func (hb_font_funcs_t *ffuncs,
232 hb_font_get_variation_glyph_func_t func,
233 void *user_data, hb_destroy_func_t destroy);
234
235 /**
236 * hb_font_funcs_set_glyph_h_advance_func:
237 * @ffuncs: font functions.
238 * @func: (closure user_data) (destroy destroy) (scope notified):
239 * @user_data:
248 hb_font_get_glyph_h_advance_func_t func,
249 void *user_data, hb_destroy_func_t destroy);
250
251 /**
252 * hb_font_funcs_set_glyph_v_advance_func:
253 * @ffuncs: font functions.
254 * @func: (closure user_data) (destroy destroy) (scope notified):
255 * @user_data:
256 * @destroy:
257 *
258 *
259 *
260 * Since: 0.9.2
261 **/
262 HB_EXTERN void
263 hb_font_funcs_set_glyph_v_advance_func (hb_font_funcs_t *ffuncs,
264 hb_font_get_glyph_v_advance_func_t func,
265 void *user_data, hb_destroy_func_t destroy);
266
267 /**
268 * hb_font_funcs_set_glyph_h_origin_func:
269 * @ffuncs: font functions.
270 * @func: (closure user_data) (destroy destroy) (scope notified):
271 * @user_data:
272 * @destroy:
273 *
274 *
275 *
276 * Since: 0.9.2
277 **/
278 HB_EXTERN void
279 hb_font_funcs_set_glyph_h_origin_func (hb_font_funcs_t *ffuncs,
280 hb_font_get_glyph_h_origin_func_t func,
281 void *user_data, hb_destroy_func_t destroy);
282
283 /**
284 * hb_font_funcs_set_glyph_v_origin_func:
285 * @ffuncs: font functions.
286 * @func: (closure user_data) (destroy destroy) (scope notified):
287 * @user_data:
288 * @destroy:
289 *
290 *
291 *
292 * Since: 0.9.2
293 **/
294 HB_EXTERN void
295 hb_font_funcs_set_glyph_v_origin_func (hb_font_funcs_t *ffuncs,
296 hb_font_get_glyph_v_origin_func_t func,
297 void *user_data, hb_destroy_func_t destroy);
298
299 /**
300 * hb_font_funcs_set_glyph_h_kerning_func:
301 * @ffuncs: font functions.
302 * @func: (closure user_data) (destroy destroy) (scope notified):
303 * @user_data:
304 * @destroy:
305 *
306 *
307 *
308 * Since: 0.9.2
309 **/
310 HB_EXTERN void
311 hb_font_funcs_set_glyph_h_kerning_func (hb_font_funcs_t *ffuncs,
312 hb_font_get_glyph_h_kerning_func_t func,
313 void *user_data, hb_destroy_func_t destroy);
314
315 /**
316 * hb_font_funcs_set_glyph_v_kerning_func:
317 * @ffuncs: font functions.
318 * @func: (closure user_data) (destroy destroy) (scope notified):
319 * @user_data:
320 * @destroy:
321 *
322 *
323 *
324 * Since: 0.9.2
325 **/
326 HB_EXTERN void
327 hb_font_funcs_set_glyph_v_kerning_func (hb_font_funcs_t *ffuncs,
328 hb_font_get_glyph_v_kerning_func_t func,
329 void *user_data, hb_destroy_func_t destroy);
330
331 /**
332 * hb_font_funcs_set_glyph_extents_func:
333 * @ffuncs: font functions.
334 * @func: (closure user_data) (destroy destroy) (scope notified):
335 * @user_data:
336 * @destroy:
337 *
338 *
339 *
340 * Since: 0.9.2
341 **/
342 HB_EXTERN void
343 hb_font_funcs_set_glyph_extents_func (hb_font_funcs_t *ffuncs,
344 hb_font_get_glyph_extents_func_t func,
345 void *user_data, hb_destroy_func_t destroy);
346
347 /**
348 * hb_font_funcs_set_glyph_contour_point_func:
400 HB_EXTERN hb_bool_t
401 hb_font_get_v_extents (hb_font_t *font,
402 hb_font_extents_t *extents);
403
404 HB_EXTERN hb_bool_t
405 hb_font_get_nominal_glyph (hb_font_t *font,
406 hb_codepoint_t unicode,
407 hb_codepoint_t *glyph);
408 HB_EXTERN hb_bool_t
409 hb_font_get_variation_glyph (hb_font_t *font,
410 hb_codepoint_t unicode, hb_codepoint_t variation_selector,
411 hb_codepoint_t *glyph);
412
413 HB_EXTERN hb_position_t
414 hb_font_get_glyph_h_advance (hb_font_t *font,
415 hb_codepoint_t glyph);
416 HB_EXTERN hb_position_t
417 hb_font_get_glyph_v_advance (hb_font_t *font,
418 hb_codepoint_t glyph);
419
420 HB_EXTERN hb_bool_t
421 hb_font_get_glyph_h_origin (hb_font_t *font,
422 hb_codepoint_t glyph,
423 hb_position_t *x, hb_position_t *y);
424 HB_EXTERN hb_bool_t
425 hb_font_get_glyph_v_origin (hb_font_t *font,
426 hb_codepoint_t glyph,
427 hb_position_t *x, hb_position_t *y);
428
429 HB_EXTERN hb_position_t
430 hb_font_get_glyph_h_kerning (hb_font_t *font,
431 hb_codepoint_t left_glyph, hb_codepoint_t right_glyph);
432 HB_EXTERN hb_position_t
433 hb_font_get_glyph_v_kerning (hb_font_t *font,
434 hb_codepoint_t top_glyph, hb_codepoint_t bottom_glyph);
435
436 HB_EXTERN hb_bool_t
437 hb_font_get_glyph_extents (hb_font_t *font,
438 hb_codepoint_t glyph,
439 hb_glyph_extents_t *extents);
440
441 HB_EXTERN hb_bool_t
442 hb_font_get_glyph_contour_point (hb_font_t *font,
443 hb_codepoint_t glyph, unsigned int point_index,
444 hb_position_t *x, hb_position_t *y);
445
446 HB_EXTERN hb_bool_t
447 hb_font_get_glyph_name (hb_font_t *font,
448 hb_codepoint_t glyph,
449 char *name, unsigned int size);
450 HB_EXTERN hb_bool_t
451 hb_font_get_glyph_from_name (hb_font_t *font,
452 const char *name, int len, /* -1 means nul-terminated */
453 hb_codepoint_t *glyph);
454
455
456 /* high-level funcs, with fallback */
457
458 /* Calls either hb_font_get_nominal_glyph() if variation_selector is 0,
459 * otherwise calls hb_font_get_variation_glyph(). */
460 HB_EXTERN hb_bool_t
461 hb_font_get_glyph (hb_font_t *font,
462 hb_codepoint_t unicode, hb_codepoint_t variation_selector,
463 hb_codepoint_t *glyph);
464
465 HB_EXTERN void
466 hb_font_get_extents_for_direction (hb_font_t *font,
467 hb_direction_t direction,
468 hb_font_extents_t *extents);
469 HB_EXTERN void
470 hb_font_get_glyph_advance_for_direction (hb_font_t *font,
471 hb_codepoint_t glyph,
472 hb_direction_t direction,
473 hb_position_t *x, hb_position_t *y);
474 HB_EXTERN void
475 hb_font_get_glyph_origin_for_direction (hb_font_t *font,
476 hb_codepoint_t glyph,
477 hb_direction_t direction,
478 hb_position_t *x, hb_position_t *y);
479 HB_EXTERN void
480 hb_font_add_glyph_origin_for_direction (hb_font_t *font,
481 hb_codepoint_t glyph,
482 hb_direction_t direction,
483 hb_position_t *x, hb_position_t *y);
484 HB_EXTERN void
485 hb_font_subtract_glyph_origin_for_direction (hb_font_t *font,
486 hb_codepoint_t glyph,
487 hb_direction_t direction,
488 hb_position_t *x, hb_position_t *y);
489
490 HB_EXTERN void
491 hb_font_get_glyph_kerning_for_direction (hb_font_t *font,
492 hb_codepoint_t first_glyph, hb_codepoint_t second_glyph,
493 hb_direction_t direction,
494 hb_position_t *x, hb_position_t *y);
495
496 HB_EXTERN hb_bool_t
497 hb_font_get_glyph_extents_for_origin (hb_font_t *font,
498 hb_codepoint_t glyph,
499 hb_direction_t direction,
500 hb_glyph_extents_t *extents);
501
502 HB_EXTERN hb_bool_t
503 hb_font_get_glyph_contour_point_for_origin (hb_font_t *font,
504 hb_codepoint_t glyph, unsigned int point_index,
505 hb_direction_t direction,
506 hb_position_t *x, hb_position_t *y);
507
508 /* Generates gidDDD if glyph has no name. */
509 HB_EXTERN void
510 hb_font_glyph_to_string (hb_font_t *font,
511 hb_codepoint_t glyph,
512 char *s, unsigned int size);
513 /* Parses gidDDD and uniUUUU strings automatically. */
514 HB_EXTERN hb_bool_t
|
93 hb_position_t reserved6;
94 hb_position_t reserved5;
95 hb_position_t reserved4;
96 hb_position_t reserved3;
97 hb_position_t reserved2;
98 hb_position_t reserved1;
99 } hb_font_extents_t;
100
101 /* Note that height is negative in coordinate systems that grow up. */
102 typedef struct hb_glyph_extents_t
103 {
104 hb_position_t x_bearing; /* left side of glyph from origin. */
105 hb_position_t y_bearing; /* top side of glyph from origin. */
106 hb_position_t width; /* distance from left to right side. */
107 hb_position_t height; /* distance from top to bottom side. */
108 } hb_glyph_extents_t;
109
110 /* func types */
111
112 typedef hb_bool_t (*hb_font_get_font_extents_func_t) (hb_font_t *font, void *font_data,
113 hb_font_extents_t *extents,
114 void *user_data);
115 typedef hb_font_get_font_extents_func_t hb_font_get_font_h_extents_func_t;
116 typedef hb_font_get_font_extents_func_t hb_font_get_font_v_extents_func_t;
117
118
119 typedef hb_bool_t (*hb_font_get_nominal_glyph_func_t) (hb_font_t *font, void *font_data,
120 hb_codepoint_t unicode,
121 hb_codepoint_t *glyph,
122 void *user_data);
123 typedef hb_bool_t (*hb_font_get_variation_glyph_func_t) (hb_font_t *font, void *font_data,
124 hb_codepoint_t unicode, hb_codepoint_t variation_selector,
125 hb_codepoint_t *glyph,
126 void *user_data);
127
128 typedef unsigned int (*hb_font_get_nominal_glyphs_func_t) (hb_font_t *font, void *font_data,
129 unsigned int count,
130 const hb_codepoint_t *first_unicode,
131 unsigned int unicode_stride,
132 hb_codepoint_t *first_glyph,
133 unsigned int glyph_stride,
134 void *user_data);
135
136
137 typedef hb_position_t (*hb_font_get_glyph_advance_func_t) (hb_font_t *font, void *font_data,
138 hb_codepoint_t glyph,
139 void *user_data);
140 typedef hb_font_get_glyph_advance_func_t hb_font_get_glyph_h_advance_func_t;
141 typedef hb_font_get_glyph_advance_func_t hb_font_get_glyph_v_advance_func_t;
142
143 typedef void (*hb_font_get_glyph_advances_func_t) (hb_font_t* font, void* font_data,
144 unsigned int count,
145 const hb_codepoint_t *first_glyph,
146 unsigned glyph_stride,
147 hb_position_t *first_advance,
148 unsigned advance_stride,
149 void *user_data);
150 typedef hb_font_get_glyph_advances_func_t hb_font_get_glyph_h_advances_func_t;
151 typedef hb_font_get_glyph_advances_func_t hb_font_get_glyph_v_advances_func_t;
152
153 typedef hb_bool_t (*hb_font_get_glyph_origin_func_t) (hb_font_t *font, void *font_data,
154 hb_codepoint_t glyph,
155 hb_position_t *x, hb_position_t *y,
156 void *user_data);
157 typedef hb_font_get_glyph_origin_func_t hb_font_get_glyph_h_origin_func_t;
158 typedef hb_font_get_glyph_origin_func_t hb_font_get_glyph_v_origin_func_t;
159
160
161 typedef hb_bool_t (*hb_font_get_glyph_extents_func_t) (hb_font_t *font, void *font_data,
162 hb_codepoint_t glyph,
163 hb_glyph_extents_t *extents,
164 void *user_data);
165 typedef hb_bool_t (*hb_font_get_glyph_contour_point_func_t) (hb_font_t *font, void *font_data,
166 hb_codepoint_t glyph, unsigned int point_index,
167 hb_position_t *x, hb_position_t *y,
168 void *user_data);
169
170
171 typedef hb_bool_t (*hb_font_get_glyph_name_func_t) (hb_font_t *font, void *font_data,
172 hb_codepoint_t glyph,
173 char *name, unsigned int size,
174 void *user_data);
175 typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void *font_data,
176 const char *name, int len, /* -1 means nul-terminated */
177 hb_codepoint_t *glyph,
178 void *user_data);
179
212 hb_font_get_font_v_extents_func_t func,
213 void *user_data, hb_destroy_func_t destroy);
214
215 /**
216 * hb_font_funcs_set_nominal_glyph_func:
217 * @ffuncs: font functions.
218 * @func: (closure user_data) (destroy destroy) (scope notified):
219 * @user_data:
220 * @destroy:
221 *
222 *
223 *
224 * Since: 1.2.3
225 **/
226 HB_EXTERN void
227 hb_font_funcs_set_nominal_glyph_func (hb_font_funcs_t *ffuncs,
228 hb_font_get_nominal_glyph_func_t func,
229 void *user_data, hb_destroy_func_t destroy);
230
231 /**
232 * hb_font_funcs_set_nominal_glyphs_func:
233 * @ffuncs: font functions.
234 * @func: (closure user_data) (destroy destroy) (scope notified):
235 * @user_data:
236 * @destroy:
237 *
238 *
239 *
240 * Since: 2.0.0
241 **/
242 HB_EXTERN void
243 hb_font_funcs_set_nominal_glyphs_func (hb_font_funcs_t *ffuncs,
244 hb_font_get_nominal_glyphs_func_t func,
245 void *user_data, hb_destroy_func_t destroy);
246
247 /**
248 * hb_font_funcs_set_variation_glyph_func:
249 * @ffuncs: font functions.
250 * @func: (closure user_data) (destroy destroy) (scope notified):
251 * @user_data:
252 * @destroy:
253 *
254 *
255 *
256 * Since: 1.2.3
257 **/
258 HB_EXTERN void
259 hb_font_funcs_set_variation_glyph_func (hb_font_funcs_t *ffuncs,
260 hb_font_get_variation_glyph_func_t func,
261 void *user_data, hb_destroy_func_t destroy);
262
263 /**
264 * hb_font_funcs_set_glyph_h_advance_func:
265 * @ffuncs: font functions.
266 * @func: (closure user_data) (destroy destroy) (scope notified):
267 * @user_data:
276 hb_font_get_glyph_h_advance_func_t func,
277 void *user_data, hb_destroy_func_t destroy);
278
279 /**
280 * hb_font_funcs_set_glyph_v_advance_func:
281 * @ffuncs: font functions.
282 * @func: (closure user_data) (destroy destroy) (scope notified):
283 * @user_data:
284 * @destroy:
285 *
286 *
287 *
288 * Since: 0.9.2
289 **/
290 HB_EXTERN void
291 hb_font_funcs_set_glyph_v_advance_func (hb_font_funcs_t *ffuncs,
292 hb_font_get_glyph_v_advance_func_t func,
293 void *user_data, hb_destroy_func_t destroy);
294
295 /**
296 * hb_font_funcs_set_glyph_h_advances_func:
297 * @ffuncs: font functions.
298 * @func: (closure user_data) (destroy destroy) (scope notified):
299 * @user_data:
300 * @destroy:
301 *
302 *
303 *
304 * Since: 1.8.6
305 **/
306 HB_EXTERN void
307 hb_font_funcs_set_glyph_h_advances_func (hb_font_funcs_t *ffuncs,
308 hb_font_get_glyph_h_advances_func_t func,
309 void *user_data, hb_destroy_func_t destroy);
310
311 /**
312 * hb_font_funcs_set_glyph_v_advances_func:
313 * @ffuncs: font functions.
314 * @func: (closure user_data) (destroy destroy) (scope notified):
315 * @user_data:
316 * @destroy:
317 *
318 *
319 *
320 * Since: 1.8.6
321 **/
322 HB_EXTERN void
323 hb_font_funcs_set_glyph_v_advances_func (hb_font_funcs_t *ffuncs,
324 hb_font_get_glyph_v_advances_func_t func,
325 void *user_data, hb_destroy_func_t destroy);
326
327 /**
328 * hb_font_funcs_set_glyph_h_origin_func:
329 * @ffuncs: font functions.
330 * @func: (closure user_data) (destroy destroy) (scope notified):
331 * @user_data:
332 * @destroy:
333 *
334 *
335 *
336 * Since: 0.9.2
337 **/
338 HB_EXTERN void
339 hb_font_funcs_set_glyph_h_origin_func (hb_font_funcs_t *ffuncs,
340 hb_font_get_glyph_h_origin_func_t func,
341 void *user_data, hb_destroy_func_t destroy);
342
343 /**
344 * hb_font_funcs_set_glyph_v_origin_func:
345 * @ffuncs: font functions.
346 * @func: (closure user_data) (destroy destroy) (scope notified):
347 * @user_data:
348 * @destroy:
349 *
350 *
351 *
352 * Since: 0.9.2
353 **/
354 HB_EXTERN void
355 hb_font_funcs_set_glyph_v_origin_func (hb_font_funcs_t *ffuncs,
356 hb_font_get_glyph_v_origin_func_t func,
357 void *user_data, hb_destroy_func_t destroy);
358
359 /**
360 * hb_font_funcs_set_glyph_extents_func:
361 * @ffuncs: font functions.
362 * @func: (closure user_data) (destroy destroy) (scope notified):
363 * @user_data:
364 * @destroy:
365 *
366 *
367 *
368 * Since: 0.9.2
369 **/
370 HB_EXTERN void
371 hb_font_funcs_set_glyph_extents_func (hb_font_funcs_t *ffuncs,
372 hb_font_get_glyph_extents_func_t func,
373 void *user_data, hb_destroy_func_t destroy);
374
375 /**
376 * hb_font_funcs_set_glyph_contour_point_func:
428 HB_EXTERN hb_bool_t
429 hb_font_get_v_extents (hb_font_t *font,
430 hb_font_extents_t *extents);
431
432 HB_EXTERN hb_bool_t
433 hb_font_get_nominal_glyph (hb_font_t *font,
434 hb_codepoint_t unicode,
435 hb_codepoint_t *glyph);
436 HB_EXTERN hb_bool_t
437 hb_font_get_variation_glyph (hb_font_t *font,
438 hb_codepoint_t unicode, hb_codepoint_t variation_selector,
439 hb_codepoint_t *glyph);
440
441 HB_EXTERN hb_position_t
442 hb_font_get_glyph_h_advance (hb_font_t *font,
443 hb_codepoint_t glyph);
444 HB_EXTERN hb_position_t
445 hb_font_get_glyph_v_advance (hb_font_t *font,
446 hb_codepoint_t glyph);
447
448 HB_EXTERN void
449 hb_font_get_glyph_h_advances (hb_font_t* font,
450 unsigned int count,
451 const hb_codepoint_t *first_glyph,
452 unsigned glyph_stride,
453 hb_position_t *first_advance,
454 unsigned advance_stride);
455 HB_EXTERN void
456 hb_font_get_glyph_v_advances (hb_font_t* font,
457 unsigned int count,
458 const hb_codepoint_t *first_glyph,
459 unsigned glyph_stride,
460 hb_position_t *first_advance,
461 unsigned advance_stride);
462
463 HB_EXTERN hb_bool_t
464 hb_font_get_glyph_h_origin (hb_font_t *font,
465 hb_codepoint_t glyph,
466 hb_position_t *x, hb_position_t *y);
467 HB_EXTERN hb_bool_t
468 hb_font_get_glyph_v_origin (hb_font_t *font,
469 hb_codepoint_t glyph,
470 hb_position_t *x, hb_position_t *y);
471
472 HB_EXTERN hb_bool_t
473 hb_font_get_glyph_extents (hb_font_t *font,
474 hb_codepoint_t glyph,
475 hb_glyph_extents_t *extents);
476
477 HB_EXTERN hb_bool_t
478 hb_font_get_glyph_contour_point (hb_font_t *font,
479 hb_codepoint_t glyph, unsigned int point_index,
480 hb_position_t *x, hb_position_t *y);
481
482 HB_EXTERN hb_bool_t
483 hb_font_get_glyph_name (hb_font_t *font,
484 hb_codepoint_t glyph,
485 char *name, unsigned int size);
486 HB_EXTERN hb_bool_t
487 hb_font_get_glyph_from_name (hb_font_t *font,
488 const char *name, int len, /* -1 means nul-terminated */
489 hb_codepoint_t *glyph);
490
491
492 /* high-level funcs, with fallback */
493
494 /* Calls either hb_font_get_nominal_glyph() if variation_selector is 0,
495 * otherwise calls hb_font_get_variation_glyph(). */
496 HB_EXTERN hb_bool_t
497 hb_font_get_glyph (hb_font_t *font,
498 hb_codepoint_t unicode, hb_codepoint_t variation_selector,
499 hb_codepoint_t *glyph);
500
501 HB_EXTERN void
502 hb_font_get_extents_for_direction (hb_font_t *font,
503 hb_direction_t direction,
504 hb_font_extents_t *extents);
505 HB_EXTERN void
506 hb_font_get_glyph_advance_for_direction (hb_font_t *font,
507 hb_codepoint_t glyph,
508 hb_direction_t direction,
509 hb_position_t *x, hb_position_t *y);
510 HB_EXTERN void
511 hb_font_get_glyph_advances_for_direction (hb_font_t* font,
512 hb_direction_t direction,
513 unsigned int count,
514 const hb_codepoint_t *first_glyph,
515 unsigned glyph_stride,
516 hb_position_t *first_advance,
517 unsigned advance_stride);
518 HB_EXTERN void
519 hb_font_get_glyph_origin_for_direction (hb_font_t *font,
520 hb_codepoint_t glyph,
521 hb_direction_t direction,
522 hb_position_t *x, hb_position_t *y);
523 HB_EXTERN void
524 hb_font_add_glyph_origin_for_direction (hb_font_t *font,
525 hb_codepoint_t glyph,
526 hb_direction_t direction,
527 hb_position_t *x, hb_position_t *y);
528 HB_EXTERN void
529 hb_font_subtract_glyph_origin_for_direction (hb_font_t *font,
530 hb_codepoint_t glyph,
531 hb_direction_t direction,
532 hb_position_t *x, hb_position_t *y);
533
534 HB_EXTERN hb_bool_t
535 hb_font_get_glyph_extents_for_origin (hb_font_t *font,
536 hb_codepoint_t glyph,
537 hb_direction_t direction,
538 hb_glyph_extents_t *extents);
539
540 HB_EXTERN hb_bool_t
541 hb_font_get_glyph_contour_point_for_origin (hb_font_t *font,
542 hb_codepoint_t glyph, unsigned int point_index,
543 hb_direction_t direction,
544 hb_position_t *x, hb_position_t *y);
545
546 /* Generates gidDDD if glyph has no name. */
547 HB_EXTERN void
548 hb_font_glyph_to_string (hb_font_t *font,
549 hb_codepoint_t glyph,
550 char *s, unsigned int size);
551 /* Parses gidDDD and uniUUUU strings automatically. */
552 HB_EXTERN hb_bool_t
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