kc3-lang/harfbuzz/src/hb-unicode.h
Branch
-
src/hb-unicode.h
-
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643
/* * Copyright © 2009 Red Hat, Inc. * Copyright © 2011 Codethink Limited * Copyright © 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. * * Red Hat Author(s): Behdad Esfahbod * Codethink Author(s): Ryan Lortie * Google Author(s): Behdad Esfahbod */ #if !defined(HB_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR) #error "Include <hb.h> instead." #endif #ifndef HB_UNICODE_H #define HB_UNICODE_H #include "hb-common.h" HB_BEGIN_DECLS /** * HB_UNICODE_MAX: * * Maximum valid Unicode code point. * * Since: 1.9.0 **/ #define HB_UNICODE_MAX 0x10FFFFu /** * hb_unicode_general_category_t: * @HB_UNICODE_GENERAL_CATEGORY_CONTROL: [Cc] * @HB_UNICODE_GENERAL_CATEGORY_FORMAT: [Cf] * @HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED: [Cn] * @HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE: [Co] * @HB_UNICODE_GENERAL_CATEGORY_SURROGATE: [Cs] * @HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER: [Ll] * @HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER: [Lm] * @HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER: [Lo] * @HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER: [Lt] * @HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER: [Lu] * @HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK: [Mc] * @HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK: [Me] * @HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK: [Mn] * @HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER: [Nd] * @HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER: [Nl] * @HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER: [No] * @HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION: [Pc] * @HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION: [Pd] * @HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION: [Pe] * @HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION: [Pf] * @HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION: [Pi] * @HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION: [Po] * @HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION: [Ps] * @HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL: [Sc] * @HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL: [Sk] * @HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL: [Sm] * @HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL: [So] * @HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR: [Zl] * @HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR: [Zp] * @HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR: [Zs] * * Data type for the "General_Category" (gc) property from * the Unicode Character Database. **/ /* Unicode Character Database property: General_Category (gc) */ typedef enum { HB_UNICODE_GENERAL_CATEGORY_CONTROL, /* Cc */ HB_UNICODE_GENERAL_CATEGORY_FORMAT, /* Cf */ HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED, /* Cn */ HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE, /* Co */ HB_UNICODE_GENERAL_CATEGORY_SURROGATE, /* Cs */ HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER, /* Ll */ HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER, /* Lm */ HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER, /* Lo */ HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER, /* Lt */ HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER, /* Lu */ HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK, /* Mc */ HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK, /* Me */ HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK, /* Mn */ HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER, /* Nd */ HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER, /* Nl */ HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER, /* No */ HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION, /* Pc */ HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION, /* Pd */ HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION, /* Pe */ HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION, /* Pf */ HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION, /* Pi */ HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION, /* Po */ HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION, /* Ps */ HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL, /* Sc */ HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL, /* Sk */ HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL, /* Sm */ HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL, /* So */ HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR, /* Zl */ HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR, /* Zp */ HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR /* Zs */ } hb_unicode_general_category_t; /** * hb_unicode_combining_class_t: * @HB_UNICODE_COMBINING_CLASS_NOT_REORDERED: Spacing and enclosing marks; also many vowel and consonant signs, even if nonspacing * @HB_UNICODE_COMBINING_CLASS_OVERLAY: Marks which overlay a base letter or symbol * @HB_UNICODE_COMBINING_CLASS_NUKTA: Diacritic nukta marks in Brahmi-derived scripts * @HB_UNICODE_COMBINING_CLASS_KANA_VOICING: Hiragana/Katakana voicing marks * @HB_UNICODE_COMBINING_CLASS_VIRAMA: Viramas * @HB_UNICODE_COMBINING_CLASS_CCC10: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC11: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC12: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC13: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC14: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC15: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC16: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC17: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC18: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC19: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC20: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC21: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC22: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC23: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC24: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC25: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC26: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC27: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC28: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC29: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC30: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC31: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC32: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC33: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC34: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC35: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC36: [Syriac] * @HB_UNICODE_COMBINING_CLASS_CCC84: [Telugu] * @HB_UNICODE_COMBINING_CLASS_CCC91: [Telugu] * @HB_UNICODE_COMBINING_CLASS_CCC103: [Thai] * @HB_UNICODE_COMBINING_CLASS_CCC107: [Thai] * @HB_UNICODE_COMBINING_CLASS_CCC118: [Lao] * @HB_UNICODE_COMBINING_CLASS_CCC122: [Lao] * @HB_UNICODE_COMBINING_CLASS_CCC129: [Tibetan] * @HB_UNICODE_COMBINING_CLASS_CCC130: [Tibetan] * @HB_UNICODE_COMBINING_CLASS_CCC132: [Tibetan] Since: 7.2.0 * @HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW_LEFT: Marks attached at the bottom left * @HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW: Marks attached directly below * @HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE: Marks attached directly above * @HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE_RIGHT: Marks attached at the top right * @HB_UNICODE_COMBINING_CLASS_BELOW_LEFT: Distinct marks at the bottom left * @HB_UNICODE_COMBINING_CLASS_BELOW: Distinct marks directly below * @HB_UNICODE_COMBINING_CLASS_BELOW_RIGHT: Distinct marks at the bottom right * @HB_UNICODE_COMBINING_CLASS_LEFT: Distinct marks to the left * @HB_UNICODE_COMBINING_CLASS_RIGHT: Distinct marks to the right * @HB_UNICODE_COMBINING_CLASS_ABOVE_LEFT: Distinct marks at the top left * @HB_UNICODE_COMBINING_CLASS_ABOVE: Distinct marks directly above * @HB_UNICODE_COMBINING_CLASS_ABOVE_RIGHT: Distinct marks at the top right * @HB_UNICODE_COMBINING_CLASS_DOUBLE_BELOW: Distinct marks subtending two bases * @HB_UNICODE_COMBINING_CLASS_DOUBLE_ABOVE: Distinct marks extending above two bases * @HB_UNICODE_COMBINING_CLASS_IOTA_SUBSCRIPT: Greek iota subscript only * @HB_UNICODE_COMBINING_CLASS_INVALID: Invalid combining class * * Data type for the Canonical_Combining_Class (ccc) property * from the Unicode Character Database. * * <note>Note: newer versions of Unicode may add new values. * Client programs should be ready to handle any value in the 0..254 range * being returned from hb_unicode_combining_class().</note> * **/ typedef enum { HB_UNICODE_COMBINING_CLASS_NOT_REORDERED = 0, HB_UNICODE_COMBINING_CLASS_OVERLAY = 1, HB_UNICODE_COMBINING_CLASS_NUKTA = 7, HB_UNICODE_COMBINING_CLASS_KANA_VOICING = 8, HB_UNICODE_COMBINING_CLASS_VIRAMA = 9, /* Hebrew */ HB_UNICODE_COMBINING_CLASS_CCC10 = 10, HB_UNICODE_COMBINING_CLASS_CCC11 = 11, HB_UNICODE_COMBINING_CLASS_CCC12 = 12, HB_UNICODE_COMBINING_CLASS_CCC13 = 13, HB_UNICODE_COMBINING_CLASS_CCC14 = 14, HB_UNICODE_COMBINING_CLASS_CCC15 = 15, HB_UNICODE_COMBINING_CLASS_CCC16 = 16, HB_UNICODE_COMBINING_CLASS_CCC17 = 17, HB_UNICODE_COMBINING_CLASS_CCC18 = 18, HB_UNICODE_COMBINING_CLASS_CCC19 = 19, HB_UNICODE_COMBINING_CLASS_CCC20 = 20, HB_UNICODE_COMBINING_CLASS_CCC21 = 21, HB_UNICODE_COMBINING_CLASS_CCC22 = 22, HB_UNICODE_COMBINING_CLASS_CCC23 = 23, HB_UNICODE_COMBINING_CLASS_CCC24 = 24, HB_UNICODE_COMBINING_CLASS_CCC25 = 25, HB_UNICODE_COMBINING_CLASS_CCC26 = 26, /* Arabic */ HB_UNICODE_COMBINING_CLASS_CCC27 = 27, HB_UNICODE_COMBINING_CLASS_CCC28 = 28, HB_UNICODE_COMBINING_CLASS_CCC29 = 29, HB_UNICODE_COMBINING_CLASS_CCC30 = 30, HB_UNICODE_COMBINING_CLASS_CCC31 = 31, HB_UNICODE_COMBINING_CLASS_CCC32 = 32, HB_UNICODE_COMBINING_CLASS_CCC33 = 33, HB_UNICODE_COMBINING_CLASS_CCC34 = 34, HB_UNICODE_COMBINING_CLASS_CCC35 = 35, /* Syriac */ HB_UNICODE_COMBINING_CLASS_CCC36 = 36, /* Telugu */ HB_UNICODE_COMBINING_CLASS_CCC84 = 84, HB_UNICODE_COMBINING_CLASS_CCC91 = 91, /* Thai */ HB_UNICODE_COMBINING_CLASS_CCC103 = 103, HB_UNICODE_COMBINING_CLASS_CCC107 = 107, /* Lao */ HB_UNICODE_COMBINING_CLASS_CCC118 = 118, HB_UNICODE_COMBINING_CLASS_CCC122 = 122, /* Tibetan */ HB_UNICODE_COMBINING_CLASS_CCC129 = 129, HB_UNICODE_COMBINING_CLASS_CCC130 = 130, HB_UNICODE_COMBINING_CLASS_CCC132 = 132, HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW_LEFT = 200, HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW = 202, HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE = 214, HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE_RIGHT = 216, HB_UNICODE_COMBINING_CLASS_BELOW_LEFT = 218, HB_UNICODE_COMBINING_CLASS_BELOW = 220, HB_UNICODE_COMBINING_CLASS_BELOW_RIGHT = 222, HB_UNICODE_COMBINING_CLASS_LEFT = 224, HB_UNICODE_COMBINING_CLASS_RIGHT = 226, HB_UNICODE_COMBINING_CLASS_ABOVE_LEFT = 228, HB_UNICODE_COMBINING_CLASS_ABOVE = 230, HB_UNICODE_COMBINING_CLASS_ABOVE_RIGHT = 232, HB_UNICODE_COMBINING_CLASS_DOUBLE_BELOW = 233, HB_UNICODE_COMBINING_CLASS_DOUBLE_ABOVE = 234, HB_UNICODE_COMBINING_CLASS_IOTA_SUBSCRIPT = 240, HB_UNICODE_COMBINING_CLASS_INVALID = 255 } hb_unicode_combining_class_t; /* * hb_unicode_funcs_t */ /** * hb_unicode_funcs_t: * * Data type containing a set of virtual methods used for * accessing various Unicode character properties. * * HarfBuzz provides a default function for each of the * methods in #hb_unicode_funcs_t. Client programs can implement * their own replacements for the individual Unicode functions, as * needed, and replace the default by calling the setter for a * method. **/ typedef struct hb_unicode_funcs_t hb_unicode_funcs_t; /* * just give me the best implementation you've got there. */ HB_EXTERN hb_unicode_funcs_t * hb_unicode_funcs_get_default (void); HB_EXTERN hb_unicode_funcs_t * hb_unicode_funcs_create (hb_unicode_funcs_t *parent); HB_EXTERN hb_unicode_funcs_t * hb_unicode_funcs_get_empty (void); HB_EXTERN hb_unicode_funcs_t * hb_unicode_funcs_reference (hb_unicode_funcs_t *ufuncs); HB_EXTERN void hb_unicode_funcs_destroy (hb_unicode_funcs_t *ufuncs); HB_EXTERN hb_bool_t hb_unicode_funcs_set_user_data (hb_unicode_funcs_t *ufuncs, hb_user_data_key_t *key, void * data, hb_destroy_func_t destroy, hb_bool_t replace); HB_EXTERN void * hb_unicode_funcs_get_user_data (const hb_unicode_funcs_t *ufuncs, hb_user_data_key_t *key); HB_EXTERN void hb_unicode_funcs_make_immutable (hb_unicode_funcs_t *ufuncs); HB_EXTERN hb_bool_t hb_unicode_funcs_is_immutable (hb_unicode_funcs_t *ufuncs); HB_EXTERN hb_unicode_funcs_t * hb_unicode_funcs_get_parent (hb_unicode_funcs_t *ufuncs); /* * funcs */ /* typedefs */ /** * hb_unicode_combining_class_func_t: * @ufuncs: A Unicode-functions structure * @unicode: The code point to query * @user_data: User data pointer passed by the caller * * A virtual method for the #hb_unicode_funcs_t structure. * * This method should retrieve the Canonical Combining Class (ccc) * property for a specified Unicode code point. * * Return value: The #hb_unicode_combining_class_t of @unicode * **/ typedef hb_unicode_combining_class_t (*hb_unicode_combining_class_func_t) (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, void *user_data); /** * hb_unicode_general_category_func_t: * @ufuncs: A Unicode-functions structure * @unicode: The code point to query * @user_data: User data pointer passed by the caller * * A virtual method for the #hb_unicode_funcs_t structure. * * This method should retrieve the General Category property for * a specified Unicode code point. * * Return value: The #hb_unicode_general_category_t of @unicode * **/ typedef hb_unicode_general_category_t (*hb_unicode_general_category_func_t) (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, void *user_data); /** * hb_unicode_mirroring_func_t: * @ufuncs: A Unicode-functions structure * @unicode: The code point to query * @user_data: User data pointer passed by the caller * * A virtual method for the #hb_unicode_funcs_t structure. * * This method should retrieve the Bi-Directional Mirroring Glyph * code point for a specified Unicode code point. * * <note>Note: If a code point does not have a specified * Bi-Directional Mirroring Glyph defined, the method should * return the original code point.</note> * * Return value: The #hb_codepoint_t of the Mirroring Glyph for @unicode * **/ typedef hb_codepoint_t (*hb_unicode_mirroring_func_t) (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, void *user_data); /** * hb_unicode_script_func_t: * @ufuncs: A Unicode-functions structure * @unicode: The code point to query * @user_data: User data pointer passed by the caller * * A virtual method for the #hb_unicode_funcs_t structure. * * This method should retrieve the Script property for a * specified Unicode code point. * * Return value: The #hb_script_t of @unicode * **/ typedef hb_script_t (*hb_unicode_script_func_t) (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, void *user_data); /** * hb_unicode_compose_func_t: * @ufuncs: A Unicode-functions structure * @a: The first code point to compose * @b: The second code point to compose * @ab: (out): The composed code point * @user_data: user data pointer passed by the caller * * A virtual method for the #hb_unicode_funcs_t structure. * * This method should compose a sequence of two input Unicode code * points by canonical equivalence, returning the composed code * point in a #hb_codepoint_t output parameter (if successful). * The method must return an #hb_bool_t indicating the success * of the composition. * * Return value: `true` is @a,@b composed, `false` otherwise * **/ typedef hb_bool_t (*hb_unicode_compose_func_t) (hb_unicode_funcs_t *ufuncs, hb_codepoint_t a, hb_codepoint_t b, hb_codepoint_t *ab, void *user_data); /** * hb_unicode_decompose_func_t: * @ufuncs: A Unicode-functions structure * @ab: The code point to decompose * @a: (out): The first decomposed code point * @b: (out): The second decomposed code point * @user_data: user data pointer passed by the caller * * A virtual method for the #hb_unicode_funcs_t structure. * * This method should decompose an input Unicode code point, * returning the two decomposed code points in #hb_codepoint_t * output parameters (if successful). The method must return an * #hb_bool_t indicating the success of the composition. * * Return value: `true` if @ab decomposed, `false` otherwise * **/ typedef hb_bool_t (*hb_unicode_decompose_func_t) (hb_unicode_funcs_t *ufuncs, hb_codepoint_t ab, hb_codepoint_t *a, hb_codepoint_t *b, void *user_data); /* func setters */ /** * hb_unicode_funcs_set_combining_class_func: * @ufuncs: A Unicode-functions structure * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign * @user_data: Data to pass to @func * @destroy: (nullable): The function to call when @user_data is not needed anymore * * Sets the implementation function for #hb_unicode_combining_class_func_t. * * Since: 0.9.2 **/ HB_EXTERN void hb_unicode_funcs_set_combining_class_func (hb_unicode_funcs_t *ufuncs, hb_unicode_combining_class_func_t func, void *user_data, hb_destroy_func_t destroy); /** * hb_unicode_funcs_set_general_category_func: * @ufuncs: A Unicode-functions structure * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign * @user_data: Data to pass to @func * @destroy: (nullable): The function to call when @user_data is not needed anymore * * Sets the implementation function for #hb_unicode_general_category_func_t. * * Since: 0.9.2 **/ HB_EXTERN void hb_unicode_funcs_set_general_category_func (hb_unicode_funcs_t *ufuncs, hb_unicode_general_category_func_t func, void *user_data, hb_destroy_func_t destroy); /** * hb_unicode_funcs_set_mirroring_func: * @ufuncs: A Unicode-functions structure * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign * @user_data: Data to pass to @func * @destroy: (nullable): The function to call when @user_data is not needed anymore * * Sets the implementation function for #hb_unicode_mirroring_func_t. * * Since: 0.9.2 **/ HB_EXTERN void hb_unicode_funcs_set_mirroring_func (hb_unicode_funcs_t *ufuncs, hb_unicode_mirroring_func_t func, void *user_data, hb_destroy_func_t destroy); /** * hb_unicode_funcs_set_script_func: * @ufuncs: A Unicode-functions structure * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign * @user_data: Data to pass to @func * @destroy: (nullable): The function to call when @user_data is not needed anymore * * Sets the implementation function for #hb_unicode_script_func_t. * * Since: 0.9.2 **/ HB_EXTERN void hb_unicode_funcs_set_script_func (hb_unicode_funcs_t *ufuncs, hb_unicode_script_func_t func, void *user_data, hb_destroy_func_t destroy); /** * hb_unicode_funcs_set_compose_func: * @ufuncs: A Unicode-functions structure * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign * @user_data: Data to pass to @func * @destroy: (nullable): The function to call when @user_data is not needed anymore * * Sets the implementation function for #hb_unicode_compose_func_t. * * Since: 0.9.2 **/ HB_EXTERN void hb_unicode_funcs_set_compose_func (hb_unicode_funcs_t *ufuncs, hb_unicode_compose_func_t func, void *user_data, hb_destroy_func_t destroy); /** * hb_unicode_funcs_set_decompose_func: * @ufuncs: A Unicode-functions structure * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign * @user_data: Data to pass to @func * @destroy: (nullable): The function to call when @user_data is not needed anymore * * Sets the implementation function for #hb_unicode_decompose_func_t. * * Since: 0.9.2 **/ HB_EXTERN void hb_unicode_funcs_set_decompose_func (hb_unicode_funcs_t *ufuncs, hb_unicode_decompose_func_t func, void *user_data, hb_destroy_func_t destroy); /* accessors */ /** * hb_unicode_combining_class: * @ufuncs: The Unicode-functions structure * @unicode: The code point to query * * Retrieves the Canonical Combining Class (ccc) property * of code point @unicode. * * Return value: The #hb_unicode_combining_class_t of @unicode * * Since: 0.9.2 **/ HB_EXTERN hb_unicode_combining_class_t hb_unicode_combining_class (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode); /** * hb_unicode_general_category: * @ufuncs: The Unicode-functions structure * @unicode: The code point to query * * Retrieves the General Category (gc) property * of code point @unicode. * * Return value: The #hb_unicode_general_category_t of @unicode * * Since: 0.9.2 **/ HB_EXTERN hb_unicode_general_category_t hb_unicode_general_category (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode); /** * hb_unicode_mirroring: * @ufuncs: The Unicode-functions structure * @unicode: The code point to query * * Retrieves the Bi-directional Mirroring Glyph code * point defined for code point @unicode. * * Return value: The #hb_codepoint_t of the Mirroring Glyph for @unicode * * Since: 0.9.2 **/ HB_EXTERN hb_codepoint_t hb_unicode_mirroring (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode); /** * hb_unicode_script: * @ufuncs: The Unicode-functions structure * @unicode: The code point to query * * Retrieves the #hb_script_t script to which code * point @unicode belongs. * * Return value: The #hb_script_t of @unicode * * Since: 0.9.2 **/ HB_EXTERN hb_script_t hb_unicode_script (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode); HB_EXTERN hb_bool_t hb_unicode_compose (hb_unicode_funcs_t *ufuncs, hb_codepoint_t a, hb_codepoint_t b, hb_codepoint_t *ab); HB_EXTERN hb_bool_t hb_unicode_decompose (hb_unicode_funcs_t *ufuncs, hb_codepoint_t ab, hb_codepoint_t *a, hb_codepoint_t *b); HB_END_DECLS #endif /* HB_UNICODE_H */