1 /* 2 * Copyright 2009 Red Hat, Inc. 3 * 4 * This is part of HarfBuzz, a text shaping library. 5 * 6 * Permission is hereby granted, without written agreement and without 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 * Red Hat Author(s): Behdad Esfahbod 25 */ 26 27 #ifndef HB_H_IN 28 #error "Include <hb.h> instead." 29 #endif 30 31 #ifndef HB_FONT_H 32 #define HB_FONT_H 33 34 #include "hb-common.h" 35 #include "hb-face.h" 36 37 HB_BEGIN_DECLS 38 39 40 typedef struct hb_font_t hb_font_t; 41 42 43 /* 44 * hb_font_funcs_t 45 */ 46 47 typedef struct hb_font_funcs_t hb_font_funcs_t; 48 49 HB_EXTERN hb_font_funcs_t * 50 hb_font_funcs_create (void); 51 52 HB_EXTERN hb_font_funcs_t * 53 hb_font_funcs_get_empty (void); 54 55 HB_EXTERN hb_font_funcs_t * 56 hb_font_funcs_reference (hb_font_funcs_t *ffuncs); 57 58 HB_EXTERN void 59 hb_font_funcs_destroy (hb_font_funcs_t *ffuncs); 60 61 HB_EXTERN hb_bool_t 62 hb_font_funcs_set_user_data (hb_font_funcs_t *ffuncs, 63 hb_user_data_key_t *key, 64 void * data, 65 hb_destroy_func_t destroy, 66 hb_bool_t replace); 67 68 69 HB_EXTERN void * 70 hb_font_funcs_get_user_data (hb_font_funcs_t *ffuncs, 71 hb_user_data_key_t *key); 72 73 74 HB_EXTERN void 75 hb_font_funcs_make_immutable (hb_font_funcs_t *ffuncs); 76 77 HB_EXTERN hb_bool_t 78 hb_font_funcs_is_immutable (hb_font_funcs_t *ffuncs); 79 80 81 /* font and glyph extents */ 82 83 /* Note that typically ascender is positive and descender negative in coordinate systems that grow up. */ 84 typedef struct hb_font_extents_t 85 { 86 hb_position_t ascender; /* typographic ascender. */ 87 hb_position_t descender; /* typographic descender. */ 88 hb_position_t line_gap; /* suggested line spacing gap. */ 89 /*< private >*/ 90 hb_position_t reserved9; 91 hb_position_t reserved8; 92 hb_position_t reserved7; 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); 179 180 181 /* func setters */ 182 183 /** 184 * hb_font_funcs_set_font_h_extents_func: 185 * @ffuncs: font functions. 186 * @func: (closure user_data) (destroy destroy) (scope notified): 187 * @user_data: 188 * @destroy: 189 * 190 * 191 * 192 * Since: 1.1.2 193 **/ 194 HB_EXTERN void 195 hb_font_funcs_set_font_h_extents_func (hb_font_funcs_t *ffuncs, 196 hb_font_get_font_h_extents_func_t func, 197 void *user_data, hb_destroy_func_t destroy); 198 199 /** 200 * hb_font_funcs_set_font_v_extents_func: 201 * @ffuncs: font functions. 202 * @func: (closure user_data) (destroy destroy) (scope notified): 203 * @user_data: 204 * @destroy: 205 * 206 * 207 * 208 * Since: 1.1.2 209 **/ 210 HB_EXTERN void 211 hb_font_funcs_set_font_v_extents_func (hb_font_funcs_t *ffuncs, 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: 268 * @destroy: 269 * 270 * 271 * 272 * Since: 0.9.2 273 **/ 274 HB_EXTERN void 275 hb_font_funcs_set_glyph_h_advance_func (hb_font_funcs_t *ffuncs, 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: 377 * @ffuncs: font functions. 378 * @func: (closure user_data) (destroy destroy) (scope notified): 379 * @user_data: 380 * @destroy: 381 * 382 * 383 * 384 * Since: 0.9.2 385 **/ 386 HB_EXTERN void 387 hb_font_funcs_set_glyph_contour_point_func (hb_font_funcs_t *ffuncs, 388 hb_font_get_glyph_contour_point_func_t func, 389 void *user_data, hb_destroy_func_t destroy); 390 391 /** 392 * hb_font_funcs_set_glyph_name_func: 393 * @ffuncs: font functions. 394 * @func: (closure user_data) (destroy destroy) (scope notified): 395 * @user_data: 396 * @destroy: 397 * 398 * 399 * 400 * Since: 0.9.2 401 **/ 402 HB_EXTERN void 403 hb_font_funcs_set_glyph_name_func (hb_font_funcs_t *ffuncs, 404 hb_font_get_glyph_name_func_t func, 405 void *user_data, hb_destroy_func_t destroy); 406 407 /** 408 * hb_font_funcs_set_glyph_from_name_func: 409 * @ffuncs: font functions. 410 * @func: (closure user_data) (destroy destroy) (scope notified): 411 * @user_data: 412 * @destroy: 413 * 414 * 415 * 416 * Since: 0.9.2 417 **/ 418 HB_EXTERN void 419 hb_font_funcs_set_glyph_from_name_func (hb_font_funcs_t *ffuncs, 420 hb_font_get_glyph_from_name_func_t func, 421 void *user_data, hb_destroy_func_t destroy); 422 423 /* func dispatch */ 424 425 HB_EXTERN hb_bool_t 426 hb_font_get_h_extents (hb_font_t *font, 427 hb_font_extents_t *extents); 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 553 hb_font_glyph_from_string (hb_font_t *font, 554 const char *s, int len, /* -1 means nul-terminated */ 555 hb_codepoint_t *glyph); 556 557 558 /* 559 * hb_font_t 560 */ 561 562 /* Fonts are very light-weight objects */ 563 564 HB_EXTERN hb_font_t * 565 hb_font_create (hb_face_t *face); 566 567 HB_EXTERN hb_font_t * 568 hb_font_create_sub_font (hb_font_t *parent); 569 570 HB_EXTERN hb_font_t * 571 hb_font_get_empty (void); 572 573 HB_EXTERN hb_font_t * 574 hb_font_reference (hb_font_t *font); 575 576 HB_EXTERN void 577 hb_font_destroy (hb_font_t *font); 578 579 HB_EXTERN hb_bool_t 580 hb_font_set_user_data (hb_font_t *font, 581 hb_user_data_key_t *key, 582 void * data, 583 hb_destroy_func_t destroy, 584 hb_bool_t replace); 585 586 587 HB_EXTERN void * 588 hb_font_get_user_data (hb_font_t *font, 589 hb_user_data_key_t *key); 590 591 HB_EXTERN void 592 hb_font_make_immutable (hb_font_t *font); 593 594 HB_EXTERN hb_bool_t 595 hb_font_is_immutable (hb_font_t *font); 596 597 HB_EXTERN void 598 hb_font_set_parent (hb_font_t *font, 599 hb_font_t *parent); 600 601 HB_EXTERN hb_font_t * 602 hb_font_get_parent (hb_font_t *font); 603 604 HB_EXTERN void 605 hb_font_set_face (hb_font_t *font, 606 hb_face_t *face); 607 608 HB_EXTERN hb_face_t * 609 hb_font_get_face (hb_font_t *font); 610 611 612 HB_EXTERN void 613 hb_font_set_funcs (hb_font_t *font, 614 hb_font_funcs_t *klass, 615 void *font_data, 616 hb_destroy_func_t destroy); 617 618 /* Be *very* careful with this function! */ 619 HB_EXTERN void 620 hb_font_set_funcs_data (hb_font_t *font, 621 void *font_data, 622 hb_destroy_func_t destroy); 623 624 625 HB_EXTERN void 626 hb_font_set_scale (hb_font_t *font, 627 int x_scale, 628 int y_scale); 629 630 HB_EXTERN void 631 hb_font_get_scale (hb_font_t *font, 632 int *x_scale, 633 int *y_scale); 634 635 /* 636 * A zero value means "no hinting in that direction" 637 */ 638 HB_EXTERN void 639 hb_font_set_ppem (hb_font_t *font, 640 unsigned int x_ppem, 641 unsigned int y_ppem); 642 643 HB_EXTERN void 644 hb_font_get_ppem (hb_font_t *font, 645 unsigned int *x_ppem, 646 unsigned int *y_ppem); 647 648 /* 649 * Point size per EM. Used for optical-sizing in CoreText. 650 * A value of zero means "not set". 651 */ 652 HB_EXTERN void 653 hb_font_set_ptem (hb_font_t *font, float ptem); 654 655 HB_EXTERN float 656 hb_font_get_ptem (hb_font_t *font); 657 658 HB_EXTERN void 659 hb_font_set_variations (hb_font_t *font, 660 const hb_variation_t *variations, 661 unsigned int variations_length); 662 663 HB_EXTERN void 664 hb_font_set_var_coords_design (hb_font_t *font, 665 const float *coords, 666 unsigned int coords_length); 667 668 HB_EXTERN void 669 hb_font_set_var_coords_normalized (hb_font_t *font, 670 const int *coords, /* 2.14 normalized */ 671 unsigned int coords_length); 672 673 HB_EXTERN const int * 674 hb_font_get_var_coords_normalized (hb_font_t *font, 675 unsigned int *length); 676 677 HB_END_DECLS 678 679 #endif /* HB_FONT_H */ 680
