1 | /* |
2 | * Copyright © 2007,2008,2009 Red Hat, Inc. |
3 | * Copyright © 2011,2012 Google, Inc. |
4 | * |
5 | * This is part of HarfBuzz, a text shaping library. |
6 | * |
7 | * Permission is hereby granted, without written agreement and without |
8 | * license or royalty fees, to use, copy, modify, and distribute this |
9 | * software and its documentation for any purpose, provided that the |
10 | * above copyright notice and the following two paragraphs appear in |
11 | * all copies of this software. |
12 | * |
13 | * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
14 | * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
15 | * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
16 | * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
17 | * DAMAGE. |
18 | * |
19 | * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
20 | * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
21 | * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
22 | * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
23 | * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
24 | * |
25 | * Red Hat Author(s): Behdad Esfahbod |
26 | * Google Author(s): Behdad Esfahbod |
27 | */ |
28 | |
29 | #if !defined(HB_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR) |
30 | #error "Include <hb.h> instead." |
31 | #endif |
32 | |
33 | #ifndef HB_COMMON_H |
34 | #define HB_COMMON_H |
35 | |
36 | #ifndef HB_EXTERN |
37 | #define HB_EXTERN extern |
38 | #endif |
39 | |
40 | #ifndef HB_BEGIN_DECLS |
41 | # ifdef __cplusplus |
42 | # define HB_BEGIN_DECLS extern "C" { |
43 | # define HB_END_DECLS } |
44 | # else /* !__cplusplus */ |
45 | # define HB_BEGIN_DECLS |
46 | # define HB_END_DECLS |
47 | # endif /* !__cplusplus */ |
48 | #endif |
49 | |
50 | #if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || \ |
51 | defined (_sgi) || defined (__sun) || defined (sun) || \ |
52 | defined (__digital__) || defined (__HP_cc) |
53 | # include <inttypes.h> |
54 | #elif defined (_AIX) |
55 | # include <sys/inttypes.h> |
56 | #elif defined (_MSC_VER) && _MSC_VER < 1600 |
57 | /* VS 2010 (_MSC_VER 1600) has stdint.h */ |
58 | typedef __int8 int8_t; |
59 | typedef unsigned __int8 uint8_t; |
60 | typedef __int16 int16_t; |
61 | typedef unsigned __int16 uint16_t; |
62 | typedef __int32 int32_t; |
63 | typedef unsigned __int32 uint32_t; |
64 | typedef __int64 int64_t; |
65 | typedef unsigned __int64 uint64_t; |
66 | #elif defined (__KERNEL__) |
67 | # include <linux/types.h> |
68 | #else |
69 | # include <stdint.h> |
70 | #endif |
71 | |
72 | #if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)) |
73 | #define HB_DEPRECATED __attribute__((__deprecated__)) |
74 | #elif defined(_MSC_VER) && (_MSC_VER >= 1300) |
75 | #define HB_DEPRECATED __declspec(deprecated) |
76 | #else |
77 | #define HB_DEPRECATED |
78 | #endif |
79 | |
80 | #if defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)) |
81 | #define HB_DEPRECATED_FOR(f) __attribute__((__deprecated__("Use '" #f "' instead"))) |
82 | #elif defined(_MSC_FULL_VER) && (_MSC_FULL_VER > 140050320) |
83 | #define HB_DEPRECATED_FOR(f) __declspec(deprecated("is deprecated. Use '" #f "' instead")) |
84 | #else |
85 | #define HB_DEPRECATED_FOR(f) HB_DEPRECATED |
86 | #endif |
87 | |
88 | |
89 | HB_BEGIN_DECLS |
90 | |
91 | /** |
92 | * hb_bool_t: |
93 | * |
94 | * Data type for booleans. |
95 | * |
96 | **/ |
97 | typedef int hb_bool_t; |
98 | |
99 | /** |
100 | * hb_codepoint_t: |
101 | * |
102 | * Data type for holding Unicode codepoints. Also |
103 | * used to hold glyph IDs. |
104 | * |
105 | **/ |
106 | typedef uint32_t hb_codepoint_t; |
107 | |
108 | /** |
109 | * HB_CODEPOINT_INVALID: |
110 | * |
111 | * Unused #hb_codepoint_t value. |
112 | * |
113 | * Since: 8.0.0 |
114 | */ |
115 | #define HB_CODEPOINT_INVALID ((hb_codepoint_t) -1) |
116 | |
117 | /** |
118 | * hb_position_t: |
119 | * |
120 | * Data type for holding a single coordinate value. |
121 | * Contour points and other multi-dimensional data are |
122 | * stored as tuples of #hb_position_t's. |
123 | * |
124 | **/ |
125 | typedef int32_t hb_position_t; |
126 | /** |
127 | * hb_mask_t: |
128 | * |
129 | * Data type for bitmasks. |
130 | * |
131 | **/ |
132 | typedef uint32_t hb_mask_t; |
133 | |
134 | typedef union _hb_var_int_t { |
135 | uint32_t u32; |
136 | int32_t i32; |
137 | uint16_t u16[2]; |
138 | int16_t i16[2]; |
139 | uint8_t u8[4]; |
140 | int8_t i8[4]; |
141 | } hb_var_int_t; |
142 | |
143 | typedef union _hb_var_num_t { |
144 | float f; |
145 | uint32_t u32; |
146 | int32_t i32; |
147 | uint16_t u16[2]; |
148 | int16_t i16[2]; |
149 | uint8_t u8[4]; |
150 | int8_t i8[4]; |
151 | } hb_var_num_t; |
152 | |
153 | |
154 | /* hb_tag_t */ |
155 | |
156 | /** |
157 | * hb_tag_t: |
158 | * |
159 | * Data type for tag identifiers. Tags are four |
160 | * byte integers, each byte representing a character. |
161 | * |
162 | * Tags are used to identify tables, design-variation axes, |
163 | * scripts, languages, font features, and baselines with |
164 | * human-readable names. |
165 | * |
166 | **/ |
167 | typedef uint32_t hb_tag_t; |
168 | |
169 | /** |
170 | * HB_TAG: |
171 | * @c1: 1st character of the tag |
172 | * @c2: 2nd character of the tag |
173 | * @c3: 3rd character of the tag |
174 | * @c4: 4th character of the tag |
175 | * |
176 | * Constructs an #hb_tag_t from four character literals. |
177 | * |
178 | **/ |
179 | #define HB_TAG(c1,c2,c3,c4) ((hb_tag_t)((((uint32_t)(c1)&0xFF)<<24)|(((uint32_t)(c2)&0xFF)<<16)|(((uint32_t)(c3)&0xFF)<<8)|((uint32_t)(c4)&0xFF))) |
180 | |
181 | /** |
182 | * HB_UNTAG: |
183 | * @tag: an #hb_tag_t |
184 | * |
185 | * Extracts four character literals from an #hb_tag_t. |
186 | * |
187 | * Since: 0.6.0 |
188 | * |
189 | **/ |
190 | #define HB_UNTAG(tag) (uint8_t)(((tag)>>24)&0xFF), (uint8_t)(((tag)>>16)&0xFF), (uint8_t)(((tag)>>8)&0xFF), (uint8_t)((tag)&0xFF) |
191 | |
192 | /** |
193 | * HB_TAG_NONE: |
194 | * |
195 | * Unset #hb_tag_t. |
196 | */ |
197 | #define HB_TAG_NONE HB_TAG(0,0,0,0) |
198 | /** |
199 | * HB_TAG_MAX: |
200 | * |
201 | * Maximum possible unsigned #hb_tag_t. |
202 | * |
203 | * Since: 0.9.26 |
204 | */ |
205 | #define HB_TAG_MAX HB_TAG(0xff,0xff,0xff,0xff) |
206 | /** |
207 | * HB_TAG_MAX_SIGNED: |
208 | * |
209 | * Maximum possible signed #hb_tag_t. |
210 | * |
211 | * Since: 0.9.33 |
212 | */ |
213 | #define HB_TAG_MAX_SIGNED HB_TAG(0x7f,0xff,0xff,0xff) |
214 | |
215 | /* len=-1 means str is NUL-terminated. */ |
216 | HB_EXTERN hb_tag_t |
217 | hb_tag_from_string (const char *str, int len); |
218 | |
219 | /* buf should have 4 bytes. */ |
220 | HB_EXTERN void |
221 | hb_tag_to_string (hb_tag_t tag, char *buf); |
222 | |
223 | |
224 | /** |
225 | * hb_direction_t: |
226 | * @HB_DIRECTION_INVALID: Initial, unset direction. |
227 | * @HB_DIRECTION_LTR: Text is set horizontally from left to right. |
228 | * @HB_DIRECTION_RTL: Text is set horizontally from right to left. |
229 | * @HB_DIRECTION_TTB: Text is set vertically from top to bottom. |
230 | * @HB_DIRECTION_BTT: Text is set vertically from bottom to top. |
231 | * |
232 | * The direction of a text segment or buffer. |
233 | * |
234 | * A segment can also be tested for horizontal or vertical |
235 | * orientation (irrespective of specific direction) with |
236 | * HB_DIRECTION_IS_HORIZONTAL() or HB_DIRECTION_IS_VERTICAL(). |
237 | * |
238 | */ |
239 | typedef enum { |
240 | HB_DIRECTION_INVALID = 0, |
241 | HB_DIRECTION_LTR = 4, |
242 | HB_DIRECTION_RTL, |
243 | HB_DIRECTION_TTB, |
244 | HB_DIRECTION_BTT |
245 | } hb_direction_t; |
246 | |
247 | /* len=-1 means str is NUL-terminated */ |
248 | HB_EXTERN hb_direction_t |
249 | hb_direction_from_string (const char *str, int len); |
250 | |
251 | HB_EXTERN const char * |
252 | hb_direction_to_string (hb_direction_t direction); |
253 | |
254 | /** |
255 | * HB_DIRECTION_IS_VALID: |
256 | * @dir: #hb_direction_t to test |
257 | * |
258 | * Tests whether a text direction is valid. |
259 | * |
260 | **/ |
261 | #define HB_DIRECTION_IS_VALID(dir) ((((unsigned int) (dir)) & ~3U) == 4) |
262 | /* Direction must be valid for the following */ |
263 | /** |
264 | * HB_DIRECTION_IS_HORIZONTAL: |
265 | * @dir: #hb_direction_t to test |
266 | * |
267 | * Tests whether a text direction is horizontal. Requires |
268 | * that the direction be valid. |
269 | * |
270 | **/ |
271 | #define HB_DIRECTION_IS_HORIZONTAL(dir) ((((unsigned int) (dir)) & ~1U) == 4) |
272 | /** |
273 | * HB_DIRECTION_IS_VERTICAL: |
274 | * @dir: #hb_direction_t to test |
275 | * |
276 | * Tests whether a text direction is vertical. Requires |
277 | * that the direction be valid. |
278 | * |
279 | **/ |
280 | #define HB_DIRECTION_IS_VERTICAL(dir) ((((unsigned int) (dir)) & ~1U) == 6) |
281 | /** |
282 | * HB_DIRECTION_IS_FORWARD: |
283 | * @dir: #hb_direction_t to test |
284 | * |
285 | * Tests whether a text direction moves forward (from left to right, or from |
286 | * top to bottom). Requires that the direction be valid. |
287 | * |
288 | **/ |
289 | #define HB_DIRECTION_IS_FORWARD(dir) ((((unsigned int) (dir)) & ~2U) == 4) |
290 | /** |
291 | * HB_DIRECTION_IS_BACKWARD: |
292 | * @dir: #hb_direction_t to test |
293 | * |
294 | * Tests whether a text direction moves backward (from right to left, or from |
295 | * bottom to top). Requires that the direction be valid. |
296 | * |
297 | **/ |
298 | #define HB_DIRECTION_IS_BACKWARD(dir) ((((unsigned int) (dir)) & ~2U) == 5) |
299 | /** |
300 | * HB_DIRECTION_REVERSE: |
301 | * @dir: #hb_direction_t to reverse |
302 | * |
303 | * Reverses a text direction. Requires that the direction |
304 | * be valid. |
305 | * |
306 | **/ |
307 | #define HB_DIRECTION_REVERSE(dir) ((hb_direction_t) (((unsigned int) (dir)) ^ 1)) |
308 | |
309 | |
310 | /* hb_language_t */ |
311 | |
312 | /** |
313 | * hb_language_t: |
314 | * |
315 | * Data type for languages. Each #hb_language_t corresponds to a BCP 47 |
316 | * language tag. |
317 | * |
318 | */ |
319 | typedef const struct hb_language_impl_t *hb_language_t; |
320 | |
321 | HB_EXTERN hb_language_t |
322 | hb_language_from_string (const char *str, int len); |
323 | |
324 | HB_EXTERN const char * |
325 | hb_language_to_string (hb_language_t language); |
326 | |
327 | /** |
328 | * HB_LANGUAGE_INVALID: |
329 | * |
330 | * An unset #hb_language_t. |
331 | * |
332 | * Since: 0.6.0 |
333 | */ |
334 | #define HB_LANGUAGE_INVALID ((hb_language_t) 0) |
335 | |
336 | HB_EXTERN hb_language_t |
337 | hb_language_get_default (void); |
338 | |
339 | HB_EXTERN hb_bool_t |
340 | hb_language_matches (hb_language_t language, |
341 | hb_language_t specific); |
342 | |
343 | /** |
344 | * hb_script_t: |
345 | * @HB_SCRIPT_COMMON: `Zyyy` |
346 | * @HB_SCRIPT_INHERITED: `Zinh` |
347 | * @HB_SCRIPT_UNKNOWN: `Zzzz` |
348 | * @HB_SCRIPT_ARABIC: `Arab` |
349 | * @HB_SCRIPT_ARMENIAN: `Armn` |
350 | * @HB_SCRIPT_BENGALI: `Beng` |
351 | * @HB_SCRIPT_CYRILLIC: `Cyrl` |
352 | * @HB_SCRIPT_DEVANAGARI: `Deva` |
353 | * @HB_SCRIPT_GEORGIAN: `Geor` |
354 | * @HB_SCRIPT_GREEK: `Grek` |
355 | * @HB_SCRIPT_GUJARATI: `Gujr` |
356 | * @HB_SCRIPT_GURMUKHI: `Guru` |
357 | * @HB_SCRIPT_HANGUL: `Hang` |
358 | * @HB_SCRIPT_HAN: `Hani` |
359 | * @HB_SCRIPT_HEBREW: `Hebr` |
360 | * @HB_SCRIPT_HIRAGANA: `Hira` |
361 | * @HB_SCRIPT_KANNADA: `Knda` |
362 | * @HB_SCRIPT_KATAKANA: `Kana` |
363 | * @HB_SCRIPT_LAO: `Laoo` |
364 | * @HB_SCRIPT_LATIN: `Latn` |
365 | * @HB_SCRIPT_MALAYALAM: `Mlym` |
366 | * @HB_SCRIPT_ORIYA: `Orya` |
367 | * @HB_SCRIPT_TAMIL: `Taml` |
368 | * @HB_SCRIPT_TELUGU: `Telu` |
369 | * @HB_SCRIPT_THAI: `Thai` |
370 | * @HB_SCRIPT_TIBETAN: `Tibt` |
371 | * @HB_SCRIPT_BOPOMOFO: `Bopo` |
372 | * @HB_SCRIPT_BRAILLE: `Brai` |
373 | * @HB_SCRIPT_CANADIAN_SYLLABICS: `Cans` |
374 | * @HB_SCRIPT_CHEROKEE: `Cher` |
375 | * @HB_SCRIPT_ETHIOPIC: `Ethi` |
376 | * @HB_SCRIPT_KHMER: `Khmr` |
377 | * @HB_SCRIPT_MONGOLIAN: `Mong` |
378 | * @HB_SCRIPT_MYANMAR: `Mymr` |
379 | * @HB_SCRIPT_OGHAM: `Ogam` |
380 | * @HB_SCRIPT_RUNIC: `Runr` |
381 | * @HB_SCRIPT_SINHALA: `Sinh` |
382 | * @HB_SCRIPT_SYRIAC: `Syrc` |
383 | * @HB_SCRIPT_THAANA: `Thaa` |
384 | * @HB_SCRIPT_YI: `Yiii` |
385 | * @HB_SCRIPT_DESERET: `Dsrt` |
386 | * @HB_SCRIPT_GOTHIC: `Goth` |
387 | * @HB_SCRIPT_OLD_ITALIC: `Ital` |
388 | * @HB_SCRIPT_BUHID: `Buhd` |
389 | * @HB_SCRIPT_HANUNOO: `Hano` |
390 | * @HB_SCRIPT_TAGALOG: `Tglg` |
391 | * @HB_SCRIPT_TAGBANWA: `Tagb` |
392 | * @HB_SCRIPT_CYPRIOT: `Cprt` |
393 | * @HB_SCRIPT_LIMBU: `Limb` |
394 | * @HB_SCRIPT_LINEAR_B: `Linb` |
395 | * @HB_SCRIPT_OSMANYA: `Osma` |
396 | * @HB_SCRIPT_SHAVIAN: `Shaw` |
397 | * @HB_SCRIPT_TAI_LE: `Tale` |
398 | * @HB_SCRIPT_UGARITIC: `Ugar` |
399 | * @HB_SCRIPT_BUGINESE: `Bugi` |
400 | * @HB_SCRIPT_COPTIC: `Copt` |
401 | * @HB_SCRIPT_GLAGOLITIC: `Glag` |
402 | * @HB_SCRIPT_KHAROSHTHI: `Khar` |
403 | * @HB_SCRIPT_NEW_TAI_LUE: `Talu` |
404 | * @HB_SCRIPT_OLD_PERSIAN: `Xpeo` |
405 | * @HB_SCRIPT_SYLOTI_NAGRI: `Sylo` |
406 | * @HB_SCRIPT_TIFINAGH: `Tfng` |
407 | * @HB_SCRIPT_BALINESE: `Bali` |
408 | * @HB_SCRIPT_CUNEIFORM: `Xsux` |
409 | * @HB_SCRIPT_NKO: `Nkoo` |
410 | * @HB_SCRIPT_PHAGS_PA: `Phag` |
411 | * @HB_SCRIPT_PHOENICIAN: `Phnx` |
412 | * @HB_SCRIPT_CARIAN: `Cari` |
413 | * @HB_SCRIPT_CHAM: `Cham` |
414 | * @HB_SCRIPT_KAYAH_LI: `Kali` |
415 | * @HB_SCRIPT_LEPCHA: `Lepc` |
416 | * @HB_SCRIPT_LYCIAN: `Lyci` |
417 | * @HB_SCRIPT_LYDIAN: `Lydi` |
418 | * @HB_SCRIPT_OL_CHIKI: `Olck` |
419 | * @HB_SCRIPT_REJANG: `Rjng` |
420 | * @HB_SCRIPT_SAURASHTRA: `Saur` |
421 | * @HB_SCRIPT_SUNDANESE: `Sund` |
422 | * @HB_SCRIPT_VAI: `Vaii` |
423 | * @HB_SCRIPT_AVESTAN: `Avst` |
424 | * @HB_SCRIPT_BAMUM: `Bamu` |
425 | * @HB_SCRIPT_EGYPTIAN_HIEROGLYPHS: `Egyp` |
426 | * @HB_SCRIPT_IMPERIAL_ARAMAIC: `Armi` |
427 | * @HB_SCRIPT_INSCRIPTIONAL_PAHLAVI: `Phli` |
428 | * @HB_SCRIPT_INSCRIPTIONAL_PARTHIAN: `Prti` |
429 | * @HB_SCRIPT_JAVANESE: `Java` |
430 | * @HB_SCRIPT_KAITHI: `Kthi` |
431 | * @HB_SCRIPT_LISU: `Lisu` |
432 | * @HB_SCRIPT_MEETEI_MAYEK: `Mtei` |
433 | * @HB_SCRIPT_OLD_SOUTH_ARABIAN: `Sarb` |
434 | * @HB_SCRIPT_OLD_TURKIC: `Orkh` |
435 | * @HB_SCRIPT_SAMARITAN: `Samr` |
436 | * @HB_SCRIPT_TAI_THAM: `Lana` |
437 | * @HB_SCRIPT_TAI_VIET: `Tavt` |
438 | * @HB_SCRIPT_BATAK: `Batk` |
439 | * @HB_SCRIPT_BRAHMI: `Brah` |
440 | * @HB_SCRIPT_MANDAIC: `Mand` |
441 | * @HB_SCRIPT_CHAKMA: `Cakm` |
442 | * @HB_SCRIPT_MEROITIC_CURSIVE: `Merc` |
443 | * @HB_SCRIPT_MEROITIC_HIEROGLYPHS: `Mero` |
444 | * @HB_SCRIPT_MIAO: `Plrd` |
445 | * @HB_SCRIPT_SHARADA: `Shrd` |
446 | * @HB_SCRIPT_SORA_SOMPENG: `Sora` |
447 | * @HB_SCRIPT_TAKRI: `Takr` |
448 | * @HB_SCRIPT_BASSA_VAH: `Bass`, Since: 0.9.30 |
449 | * @HB_SCRIPT_CAUCASIAN_ALBANIAN: `Aghb`, Since: 0.9.30 |
450 | * @HB_SCRIPT_DUPLOYAN: `Dupl`, Since: 0.9.30 |
451 | * @HB_SCRIPT_ELBASAN: `Elba`, Since: 0.9.30 |
452 | * @HB_SCRIPT_GRANTHA: `Gran`, Since: 0.9.30 |
453 | * @HB_SCRIPT_KHOJKI: `Khoj`, Since: 0.9.30 |
454 | * @HB_SCRIPT_KHUDAWADI: `Sind`, Since: 0.9.30 |
455 | * @HB_SCRIPT_LINEAR_A: `Lina`, Since: 0.9.30 |
456 | * @HB_SCRIPT_MAHAJANI: `Mahj`, Since: 0.9.30 |
457 | * @HB_SCRIPT_MANICHAEAN: `Mani`, Since: 0.9.30 |
458 | * @HB_SCRIPT_MENDE_KIKAKUI: `Mend`, Since: 0.9.30 |
459 | * @HB_SCRIPT_MODI: `Modi`, Since: 0.9.30 |
460 | * @HB_SCRIPT_MRO: `Mroo`, Since: 0.9.30 |
461 | * @HB_SCRIPT_NABATAEAN: `Nbat`, Since: 0.9.30 |
462 | * @HB_SCRIPT_OLD_NORTH_ARABIAN: `Narb`, Since: 0.9.30 |
463 | * @HB_SCRIPT_OLD_PERMIC: `Perm`, Since: 0.9.30 |
464 | * @HB_SCRIPT_PAHAWH_HMONG: `Hmng`, Since: 0.9.30 |
465 | * @HB_SCRIPT_PALMYRENE: `Palm`, Since: 0.9.30 |
466 | * @HB_SCRIPT_PAU_CIN_HAU: `Pauc`, Since: 0.9.30 |
467 | * @HB_SCRIPT_PSALTER_PAHLAVI: `Phlp`, Since: 0.9.30 |
468 | * @HB_SCRIPT_SIDDHAM: `Sidd`, Since: 0.9.30 |
469 | * @HB_SCRIPT_TIRHUTA: `Tirh`, Since: 0.9.30 |
470 | * @HB_SCRIPT_WARANG_CITI: `Wara`, Since: 0.9.30 |
471 | * @HB_SCRIPT_AHOM: `Ahom`, Since: 0.9.30 |
472 | * @HB_SCRIPT_ANATOLIAN_HIEROGLYPHS: `Hluw`, Since: 0.9.30 |
473 | * @HB_SCRIPT_HATRAN: `Hatr`, Since: 0.9.30 |
474 | * @HB_SCRIPT_MULTANI: `Mult`, Since: 0.9.30 |
475 | * @HB_SCRIPT_OLD_HUNGARIAN: `Hung`, Since: 0.9.30 |
476 | * @HB_SCRIPT_SIGNWRITING: `Sgnw`, Since: 0.9.30 |
477 | * @HB_SCRIPT_ADLAM: `Adlm`, Since: 1.3.0 |
478 | * @HB_SCRIPT_BHAIKSUKI: `Bhks`, Since: 1.3.0 |
479 | * @HB_SCRIPT_MARCHEN: `Marc`, Since: 1.3.0 |
480 | * @HB_SCRIPT_OSAGE: `Osge`, Since: 1.3.0 |
481 | * @HB_SCRIPT_TANGUT: `Tang`, Since: 1.3.0 |
482 | * @HB_SCRIPT_NEWA: `Newa`, Since: 1.3.0 |
483 | * @HB_SCRIPT_MASARAM_GONDI: `Gonm`, Since: 1.6.0 |
484 | * @HB_SCRIPT_NUSHU: `Nshu`, Since: 1.6.0 |
485 | * @HB_SCRIPT_SOYOMBO: `Soyo`, Since: 1.6.0 |
486 | * @HB_SCRIPT_ZANABAZAR_SQUARE: `Zanb`, Since: 1.6.0 |
487 | * @HB_SCRIPT_DOGRA: `Dogr`, Since: 1.8.0 |
488 | * @HB_SCRIPT_GUNJALA_GONDI: `Gong`, Since: 1.8.0 |
489 | * @HB_SCRIPT_HANIFI_ROHINGYA: `Rohg`, Since: 1.8.0 |
490 | * @HB_SCRIPT_MAKASAR: `Maka`, Since: 1.8.0 |
491 | * @HB_SCRIPT_MEDEFAIDRIN: `Medf`, Since: 1.8.0 |
492 | * @HB_SCRIPT_OLD_SOGDIAN: `Sogo`, Since: 1.8.0 |
493 | * @HB_SCRIPT_SOGDIAN: `Sogd`, Since: 1.8.0 |
494 | * @HB_SCRIPT_ELYMAIC: `Elym`, Since: 2.4.0 |
495 | * @HB_SCRIPT_NANDINAGARI: `Nand`, Since: 2.4.0 |
496 | * @HB_SCRIPT_NYIAKENG_PUACHUE_HMONG: `Hmnp`, Since: 2.4.0 |
497 | * @HB_SCRIPT_WANCHO: `Wcho`, Since: 2.4.0 |
498 | * @HB_SCRIPT_CHORASMIAN: `Chrs`, Since: 2.6.7 |
499 | * @HB_SCRIPT_DIVES_AKURU: `Diak`, Since: 2.6.7 |
500 | * @HB_SCRIPT_KHITAN_SMALL_SCRIPT: `Kits`, Since: 2.6.7 |
501 | * @HB_SCRIPT_YEZIDI: `Yezi`, Since: 2.6.7 |
502 | * @HB_SCRIPT_CYPRO_MINOAN: `Cpmn`, Since: 3.0.0 |
503 | * @HB_SCRIPT_OLD_UYGHUR: `Ougr`, Since: 3.0.0 |
504 | * @HB_SCRIPT_TANGSA: `Tnsa`, Since: 3.0.0 |
505 | * @HB_SCRIPT_TOTO: `Toto`, Since: 3.0.0 |
506 | * @HB_SCRIPT_VITHKUQI: `Vith`, Since: 3.0.0 |
507 | * @HB_SCRIPT_MATH: `Zmth`, Since: 3.4.0 |
508 | * @HB_SCRIPT_KAWI: `Kawi`, Since: 5.2.0 |
509 | * @HB_SCRIPT_NAG_MUNDARI: `Nagm`, Since: 5.2.0 |
510 | * @HB_SCRIPT_INVALID: No script set |
511 | * |
512 | * Data type for scripts. Each #hb_script_t's value is an #hb_tag_t corresponding |
513 | * to the four-letter values defined by [ISO 15924](https://unicode.org/iso15924/). |
514 | * |
515 | * See also the Script (sc) property of the Unicode Character Database. |
516 | * |
517 | **/ |
518 | |
519 | /* https://docs.google.com/spreadsheets/d/1Y90M0Ie3MUJ6UVCRDOypOtijlMDLNNyyLk36T6iMu0o */ |
520 | typedef enum |
521 | { |
522 | HB_SCRIPT_COMMON = HB_TAG ('Z','y','y','y'), /*1.1*/ |
523 | HB_SCRIPT_INHERITED = HB_TAG ('Z','i','n','h'), /*1.1*/ |
524 | HB_SCRIPT_UNKNOWN = HB_TAG ('Z','z','z','z'), /*5.0*/ |
525 | |
526 | HB_SCRIPT_ARABIC = HB_TAG ('A','r','a','b'), /*1.1*/ |
527 | HB_SCRIPT_ARMENIAN = HB_TAG ('A','r','m','n'), /*1.1*/ |
528 | HB_SCRIPT_BENGALI = HB_TAG ('B','e','n','g'), /*1.1*/ |
529 | HB_SCRIPT_CYRILLIC = HB_TAG ('C','y','r','l'), /*1.1*/ |
530 | HB_SCRIPT_DEVANAGARI = HB_TAG ('D','e','v','a'), /*1.1*/ |
531 | HB_SCRIPT_GEORGIAN = HB_TAG ('G','e','o','r'), /*1.1*/ |
532 | HB_SCRIPT_GREEK = HB_TAG ('G','r','e','k'), /*1.1*/ |
533 | HB_SCRIPT_GUJARATI = HB_TAG ('G','u','j','r'), /*1.1*/ |
534 | HB_SCRIPT_GURMUKHI = HB_TAG ('G','u','r','u'), /*1.1*/ |
535 | HB_SCRIPT_HANGUL = HB_TAG ('H','a','n','g'), /*1.1*/ |
536 | HB_SCRIPT_HAN = HB_TAG ('H','a','n','i'), /*1.1*/ |
537 | HB_SCRIPT_HEBREW = HB_TAG ('H','e','b','r'), /*1.1*/ |
538 | HB_SCRIPT_HIRAGANA = HB_TAG ('H','i','r','a'), /*1.1*/ |
539 | HB_SCRIPT_KANNADA = HB_TAG ('K','n','d','a'), /*1.1*/ |
540 | HB_SCRIPT_KATAKANA = HB_TAG ('K','a','n','a'), /*1.1*/ |
541 | HB_SCRIPT_LAO = HB_TAG ('L','a','o','o'), /*1.1*/ |
542 | HB_SCRIPT_LATIN = HB_TAG ('L','a','t','n'), /*1.1*/ |
543 | HB_SCRIPT_MALAYALAM = HB_TAG ('M','l','y','m'), /*1.1*/ |
544 | HB_SCRIPT_ORIYA = HB_TAG ('O','r','y','a'), /*1.1*/ |
545 | HB_SCRIPT_TAMIL = HB_TAG ('T','a','m','l'), /*1.1*/ |
546 | HB_SCRIPT_TELUGU = HB_TAG ('T','e','l','u'), /*1.1*/ |
547 | HB_SCRIPT_THAI = HB_TAG ('T','h','a','i'), /*1.1*/ |
548 | |
549 | HB_SCRIPT_TIBETAN = HB_TAG ('T','i','b','t'), /*2.0*/ |
550 | |
551 | HB_SCRIPT_BOPOMOFO = HB_TAG ('B','o','p','o'), /*3.0*/ |
552 | HB_SCRIPT_BRAILLE = HB_TAG ('B','r','a','i'), /*3.0*/ |
553 | HB_SCRIPT_CANADIAN_SYLLABICS = HB_TAG ('C','a','n','s'), /*3.0*/ |
554 | HB_SCRIPT_CHEROKEE = HB_TAG ('C','h','e','r'), /*3.0*/ |
555 | HB_SCRIPT_ETHIOPIC = HB_TAG ('E','t','h','i'), /*3.0*/ |
556 | HB_SCRIPT_KHMER = HB_TAG ('K','h','m','r'), /*3.0*/ |
557 | HB_SCRIPT_MONGOLIAN = HB_TAG ('M','o','n','g'), /*3.0*/ |
558 | HB_SCRIPT_MYANMAR = HB_TAG ('M','y','m','r'), /*3.0*/ |
559 | HB_SCRIPT_OGHAM = HB_TAG ('O','g','a','m'), /*3.0*/ |
560 | HB_SCRIPT_RUNIC = HB_TAG ('R','u','n','r'), /*3.0*/ |
561 | HB_SCRIPT_SINHALA = HB_TAG ('S','i','n','h'), /*3.0*/ |
562 | HB_SCRIPT_SYRIAC = HB_TAG ('S','y','r','c'), /*3.0*/ |
563 | HB_SCRIPT_THAANA = HB_TAG ('T','h','a','a'), /*3.0*/ |
564 | HB_SCRIPT_YI = HB_TAG ('Y','i','i','i'), /*3.0*/ |
565 | |
566 | HB_SCRIPT_DESERET = HB_TAG ('D','s','r','t'), /*3.1*/ |
567 | HB_SCRIPT_GOTHIC = HB_TAG ('G','o','t','h'), /*3.1*/ |
568 | HB_SCRIPT_OLD_ITALIC = HB_TAG ('I','t','a','l'), /*3.1*/ |
569 | |
570 | HB_SCRIPT_BUHID = HB_TAG ('B','u','h','d'), /*3.2*/ |
571 | HB_SCRIPT_HANUNOO = HB_TAG ('H','a','n','o'), /*3.2*/ |
572 | HB_SCRIPT_TAGALOG = HB_TAG ('T','g','l','g'), /*3.2*/ |
573 | HB_SCRIPT_TAGBANWA = HB_TAG ('T','a','g','b'), /*3.2*/ |
574 | |
575 | HB_SCRIPT_CYPRIOT = HB_TAG ('C','p','r','t'), /*4.0*/ |
576 | HB_SCRIPT_LIMBU = HB_TAG ('L','i','m','b'), /*4.0*/ |
577 | HB_SCRIPT_LINEAR_B = HB_TAG ('L','i','n','b'), /*4.0*/ |
578 | HB_SCRIPT_OSMANYA = HB_TAG ('O','s','m','a'), /*4.0*/ |
579 | HB_SCRIPT_SHAVIAN = HB_TAG ('S','h','a','w'), /*4.0*/ |
580 | HB_SCRIPT_TAI_LE = HB_TAG ('T','a','l','e'), /*4.0*/ |
581 | HB_SCRIPT_UGARITIC = HB_TAG ('U','g','a','r'), /*4.0*/ |
582 | |
583 | HB_SCRIPT_BUGINESE = HB_TAG ('B','u','g','i'), /*4.1*/ |
584 | HB_SCRIPT_COPTIC = HB_TAG ('C','o','p','t'), /*4.1*/ |
585 | HB_SCRIPT_GLAGOLITIC = HB_TAG ('G','l','a','g'), /*4.1*/ |
586 | HB_SCRIPT_KHAROSHTHI = HB_TAG ('K','h','a','r'), /*4.1*/ |
587 | HB_SCRIPT_NEW_TAI_LUE = HB_TAG ('T','a','l','u'), /*4.1*/ |
588 | HB_SCRIPT_OLD_PERSIAN = HB_TAG ('X','p','e','o'), /*4.1*/ |
589 | HB_SCRIPT_SYLOTI_NAGRI = HB_TAG ('S','y','l','o'), /*4.1*/ |
590 | HB_SCRIPT_TIFINAGH = HB_TAG ('T','f','n','g'), /*4.1*/ |
591 | |
592 | HB_SCRIPT_BALINESE = HB_TAG ('B','a','l','i'), /*5.0*/ |
593 | HB_SCRIPT_CUNEIFORM = HB_TAG ('X','s','u','x'), /*5.0*/ |
594 | HB_SCRIPT_NKO = HB_TAG ('N','k','o','o'), /*5.0*/ |
595 | HB_SCRIPT_PHAGS_PA = HB_TAG ('P','h','a','g'), /*5.0*/ |
596 | HB_SCRIPT_PHOENICIAN = HB_TAG ('P','h','n','x'), /*5.0*/ |
597 | |
598 | HB_SCRIPT_CARIAN = HB_TAG ('C','a','r','i'), /*5.1*/ |
599 | HB_SCRIPT_CHAM = HB_TAG ('C','h','a','m'), /*5.1*/ |
600 | HB_SCRIPT_KAYAH_LI = HB_TAG ('K','a','l','i'), /*5.1*/ |
601 | HB_SCRIPT_LEPCHA = HB_TAG ('L','e','p','c'), /*5.1*/ |
602 | HB_SCRIPT_LYCIAN = HB_TAG ('L','y','c','i'), /*5.1*/ |
603 | HB_SCRIPT_LYDIAN = HB_TAG ('L','y','d','i'), /*5.1*/ |
604 | HB_SCRIPT_OL_CHIKI = HB_TAG ('O','l','c','k'), /*5.1*/ |
605 | HB_SCRIPT_REJANG = HB_TAG ('R','j','n','g'), /*5.1*/ |
606 | HB_SCRIPT_SAURASHTRA = HB_TAG ('S','a','u','r'), /*5.1*/ |
607 | HB_SCRIPT_SUNDANESE = HB_TAG ('S','u','n','d'), /*5.1*/ |
608 | HB_SCRIPT_VAI = HB_TAG ('V','a','i','i'), /*5.1*/ |
609 | |
610 | HB_SCRIPT_AVESTAN = HB_TAG ('A','v','s','t'), /*5.2*/ |
611 | HB_SCRIPT_BAMUM = HB_TAG ('B','a','m','u'), /*5.2*/ |
612 | HB_SCRIPT_EGYPTIAN_HIEROGLYPHS = HB_TAG ('E','g','y','p'), /*5.2*/ |
613 | HB_SCRIPT_IMPERIAL_ARAMAIC = HB_TAG ('A','r','m','i'), /*5.2*/ |
614 | HB_SCRIPT_INSCRIPTIONAL_PAHLAVI = HB_TAG ('P','h','l','i'), /*5.2*/ |
615 | HB_SCRIPT_INSCRIPTIONAL_PARTHIAN = HB_TAG ('P','r','t','i'), /*5.2*/ |
616 | HB_SCRIPT_JAVANESE = HB_TAG ('J','a','v','a'), /*5.2*/ |
617 | HB_SCRIPT_KAITHI = HB_TAG ('K','t','h','i'), /*5.2*/ |
618 | HB_SCRIPT_LISU = HB_TAG ('L','i','s','u'), /*5.2*/ |
619 | HB_SCRIPT_MEETEI_MAYEK = HB_TAG ('M','t','e','i'), /*5.2*/ |
620 | HB_SCRIPT_OLD_SOUTH_ARABIAN = HB_TAG ('S','a','r','b'), /*5.2*/ |
621 | HB_SCRIPT_OLD_TURKIC = HB_TAG ('O','r','k','h'), /*5.2*/ |
622 | HB_SCRIPT_SAMARITAN = HB_TAG ('S','a','m','r'), /*5.2*/ |
623 | HB_SCRIPT_TAI_THAM = HB_TAG ('L','a','n','a'), /*5.2*/ |
624 | HB_SCRIPT_TAI_VIET = HB_TAG ('T','a','v','t'), /*5.2*/ |
625 | |
626 | HB_SCRIPT_BATAK = HB_TAG ('B','a','t','k'), /*6.0*/ |
627 | HB_SCRIPT_BRAHMI = HB_TAG ('B','r','a','h'), /*6.0*/ |
628 | HB_SCRIPT_MANDAIC = HB_TAG ('M','a','n','d'), /*6.0*/ |
629 | |
630 | HB_SCRIPT_CHAKMA = HB_TAG ('C','a','k','m'), /*6.1*/ |
631 | HB_SCRIPT_MEROITIC_CURSIVE = HB_TAG ('M','e','r','c'), /*6.1*/ |
632 | HB_SCRIPT_MEROITIC_HIEROGLYPHS = HB_TAG ('M','e','r','o'), /*6.1*/ |
633 | HB_SCRIPT_MIAO = HB_TAG ('P','l','r','d'), /*6.1*/ |
634 | HB_SCRIPT_SHARADA = HB_TAG ('S','h','r','d'), /*6.1*/ |
635 | HB_SCRIPT_SORA_SOMPENG = HB_TAG ('S','o','r','a'), /*6.1*/ |
636 | HB_SCRIPT_TAKRI = HB_TAG ('T','a','k','r'), /*6.1*/ |
637 | |
638 | /* |
639 | * Since: 0.9.30 |
640 | */ |
641 | HB_SCRIPT_BASSA_VAH = HB_TAG ('B','a','s','s'), /*7.0*/ |
642 | HB_SCRIPT_CAUCASIAN_ALBANIAN = HB_TAG ('A','g','h','b'), /*7.0*/ |
643 | HB_SCRIPT_DUPLOYAN = HB_TAG ('D','u','p','l'), /*7.0*/ |
644 | HB_SCRIPT_ELBASAN = HB_TAG ('E','l','b','a'), /*7.0*/ |
645 | HB_SCRIPT_GRANTHA = HB_TAG ('G','r','a','n'), /*7.0*/ |
646 | HB_SCRIPT_KHOJKI = HB_TAG ('K','h','o','j'), /*7.0*/ |
647 | HB_SCRIPT_KHUDAWADI = HB_TAG ('S','i','n','d'), /*7.0*/ |
648 | HB_SCRIPT_LINEAR_A = HB_TAG ('L','i','n','a'), /*7.0*/ |
649 | HB_SCRIPT_MAHAJANI = HB_TAG ('M','a','h','j'), /*7.0*/ |
650 | HB_SCRIPT_MANICHAEAN = HB_TAG ('M','a','n','i'), /*7.0*/ |
651 | HB_SCRIPT_MENDE_KIKAKUI = HB_TAG ('M','e','n','d'), /*7.0*/ |
652 | HB_SCRIPT_MODI = HB_TAG ('M','o','d','i'), /*7.0*/ |
653 | HB_SCRIPT_MRO = HB_TAG ('M','r','o','o'), /*7.0*/ |
654 | HB_SCRIPT_NABATAEAN = HB_TAG ('N','b','a','t'), /*7.0*/ |
655 | HB_SCRIPT_OLD_NORTH_ARABIAN = HB_TAG ('N','a','r','b'), /*7.0*/ |
656 | HB_SCRIPT_OLD_PERMIC = HB_TAG ('P','e','r','m'), /*7.0*/ |
657 | HB_SCRIPT_PAHAWH_HMONG = HB_TAG ('H','m','n','g'), /*7.0*/ |
658 | HB_SCRIPT_PALMYRENE = HB_TAG ('P','a','l','m'), /*7.0*/ |
659 | HB_SCRIPT_PAU_CIN_HAU = HB_TAG ('P','a','u','c'), /*7.0*/ |
660 | HB_SCRIPT_PSALTER_PAHLAVI = HB_TAG ('P','h','l','p'), /*7.0*/ |
661 | HB_SCRIPT_SIDDHAM = HB_TAG ('S','i','d','d'), /*7.0*/ |
662 | HB_SCRIPT_TIRHUTA = HB_TAG ('T','i','r','h'), /*7.0*/ |
663 | HB_SCRIPT_WARANG_CITI = HB_TAG ('W','a','r','a'), /*7.0*/ |
664 | |
665 | HB_SCRIPT_AHOM = HB_TAG ('A','h','o','m'), /*8.0*/ |
666 | HB_SCRIPT_ANATOLIAN_HIEROGLYPHS = HB_TAG ('H','l','u','w'), /*8.0*/ |
667 | HB_SCRIPT_HATRAN = HB_TAG ('H','a','t','r'), /*8.0*/ |
668 | HB_SCRIPT_MULTANI = HB_TAG ('M','u','l','t'), /*8.0*/ |
669 | HB_SCRIPT_OLD_HUNGARIAN = HB_TAG ('H','u','n','g'), /*8.0*/ |
670 | HB_SCRIPT_SIGNWRITING = HB_TAG ('S','g','n','w'), /*8.0*/ |
671 | |
672 | /* |
673 | * Since 1.3.0 |
674 | */ |
675 | HB_SCRIPT_ADLAM = HB_TAG ('A','d','l','m'), /*9.0*/ |
676 | HB_SCRIPT_BHAIKSUKI = HB_TAG ('B','h','k','s'), /*9.0*/ |
677 | HB_SCRIPT_MARCHEN = HB_TAG ('M','a','r','c'), /*9.0*/ |
678 | HB_SCRIPT_OSAGE = HB_TAG ('O','s','g','e'), /*9.0*/ |
679 | HB_SCRIPT_TANGUT = HB_TAG ('T','a','n','g'), /*9.0*/ |
680 | HB_SCRIPT_NEWA = HB_TAG ('N','e','w','a'), /*9.0*/ |
681 | |
682 | /* |
683 | * Since 1.6.0 |
684 | */ |
685 | HB_SCRIPT_MASARAM_GONDI = HB_TAG ('G','o','n','m'), /*10.0*/ |
686 | HB_SCRIPT_NUSHU = HB_TAG ('N','s','h','u'), /*10.0*/ |
687 | HB_SCRIPT_SOYOMBO = HB_TAG ('S','o','y','o'), /*10.0*/ |
688 | HB_SCRIPT_ZANABAZAR_SQUARE = HB_TAG ('Z','a','n','b'), /*10.0*/ |
689 | |
690 | /* |
691 | * Since 1.8.0 |
692 | */ |
693 | HB_SCRIPT_DOGRA = HB_TAG ('D','o','g','r'), /*11.0*/ |
694 | HB_SCRIPT_GUNJALA_GONDI = HB_TAG ('G','o','n','g'), /*11.0*/ |
695 | HB_SCRIPT_HANIFI_ROHINGYA = HB_TAG ('R','o','h','g'), /*11.0*/ |
696 | HB_SCRIPT_MAKASAR = HB_TAG ('M','a','k','a'), /*11.0*/ |
697 | HB_SCRIPT_MEDEFAIDRIN = HB_TAG ('M','e','d','f'), /*11.0*/ |
698 | HB_SCRIPT_OLD_SOGDIAN = HB_TAG ('S','o','g','o'), /*11.0*/ |
699 | HB_SCRIPT_SOGDIAN = HB_TAG ('S','o','g','d'), /*11.0*/ |
700 | |
701 | /* |
702 | * Since 2.4.0 |
703 | */ |
704 | HB_SCRIPT_ELYMAIC = HB_TAG ('E','l','y','m'), /*12.0*/ |
705 | HB_SCRIPT_NANDINAGARI = HB_TAG ('N','a','n','d'), /*12.0*/ |
706 | HB_SCRIPT_NYIAKENG_PUACHUE_HMONG = HB_TAG ('H','m','n','p'), /*12.0*/ |
707 | HB_SCRIPT_WANCHO = HB_TAG ('W','c','h','o'), /*12.0*/ |
708 | |
709 | /* |
710 | * Since 2.6.7 |
711 | */ |
712 | HB_SCRIPT_CHORASMIAN = HB_TAG ('C','h','r','s'), /*13.0*/ |
713 | HB_SCRIPT_DIVES_AKURU = HB_TAG ('D','i','a','k'), /*13.0*/ |
714 | HB_SCRIPT_KHITAN_SMALL_SCRIPT = HB_TAG ('K','i','t','s'), /*13.0*/ |
715 | HB_SCRIPT_YEZIDI = HB_TAG ('Y','e','z','i'), /*13.0*/ |
716 | |
717 | /* |
718 | * Since 3.0.0 |
719 | */ |
720 | HB_SCRIPT_CYPRO_MINOAN = HB_TAG ('C','p','m','n'), /*14.0*/ |
721 | HB_SCRIPT_OLD_UYGHUR = HB_TAG ('O','u','g','r'), /*14.0*/ |
722 | HB_SCRIPT_TANGSA = HB_TAG ('T','n','s','a'), /*14.0*/ |
723 | HB_SCRIPT_TOTO = HB_TAG ('T','o','t','o'), /*14.0*/ |
724 | HB_SCRIPT_VITHKUQI = HB_TAG ('V','i','t','h'), /*14.0*/ |
725 | |
726 | /* |
727 | * Since 3.4.0 |
728 | */ |
729 | HB_SCRIPT_MATH = HB_TAG ('Z','m','t','h'), |
730 | |
731 | /* |
732 | * Since 5.2.0 |
733 | */ |
734 | HB_SCRIPT_KAWI = HB_TAG ('K','a','w','i'), /*15.0*/ |
735 | HB_SCRIPT_NAG_MUNDARI = HB_TAG ('N','a','g','m'), /*15.0*/ |
736 | |
737 | /* No script set. */ |
738 | HB_SCRIPT_INVALID = HB_TAG_NONE, |
739 | |
740 | /*< private >*/ |
741 | |
742 | /* Dummy values to ensure any hb_tag_t value can be passed/stored as hb_script_t |
743 | * without risking undefined behavior. We have two, for historical reasons. |
744 | * HB_TAG_MAX used to be unsigned, but that was invalid Ansi C, so was changed |
745 | * to _HB_SCRIPT_MAX_VALUE to be equal to HB_TAG_MAX_SIGNED as well. |
746 | * |
747 | * See this thread for technicalities: |
748 | * |
749 | * https://lists.freedesktop.org/archives/harfbuzz/2014-March/004150.html |
750 | */ |
751 | _HB_SCRIPT_MAX_VALUE = HB_TAG_MAX_SIGNED, /*< skip >*/ |
752 | _HB_SCRIPT_MAX_VALUE_SIGNED = HB_TAG_MAX_SIGNED /*< skip >*/ |
753 | |
754 | } hb_script_t; |
755 | |
756 | |
757 | /* Script functions */ |
758 | |
759 | HB_EXTERN hb_script_t |
760 | hb_script_from_iso15924_tag (hb_tag_t tag); |
761 | |
762 | HB_EXTERN hb_script_t |
763 | hb_script_from_string (const char *str, int len); |
764 | |
765 | HB_EXTERN hb_tag_t |
766 | hb_script_to_iso15924_tag (hb_script_t script); |
767 | |
768 | HB_EXTERN hb_direction_t |
769 | hb_script_get_horizontal_direction (hb_script_t script); |
770 | |
771 | |
772 | /* User data */ |
773 | |
774 | /** |
775 | * hb_user_data_key_t: |
776 | * |
777 | * Data structure for holding user-data keys. |
778 | * |
779 | **/ |
780 | typedef struct hb_user_data_key_t { |
781 | /*< private >*/ |
782 | char unused; |
783 | } hb_user_data_key_t; |
784 | |
785 | /** |
786 | * hb_destroy_func_t: |
787 | * @user_data: the data to be destroyed |
788 | * |
789 | * A virtual method for destroy user-data callbacks. |
790 | * |
791 | */ |
792 | typedef void (*hb_destroy_func_t) (void *user_data); |
793 | |
794 | |
795 | /* Font features and variations. */ |
796 | |
797 | /** |
798 | * HB_FEATURE_GLOBAL_START: |
799 | * |
800 | * Special setting for #hb_feature_t.start to apply the feature from the start |
801 | * of the buffer. |
802 | * |
803 | * Since: 2.0.0 |
804 | */ |
805 | #define HB_FEATURE_GLOBAL_START 0 |
806 | |
807 | /** |
808 | * HB_FEATURE_GLOBAL_END: |
809 | * |
810 | * Special setting for #hb_feature_t.end to apply the feature from to the end |
811 | * of the buffer. |
812 | * |
813 | * Since: 2.0.0 |
814 | */ |
815 | #define HB_FEATURE_GLOBAL_END ((unsigned int) -1) |
816 | |
817 | /** |
818 | * hb_feature_t: |
819 | * @tag: The #hb_tag_t tag of the feature |
820 | * @value: The value of the feature. 0 disables the feature, non-zero (usually |
821 | * 1) enables the feature. For features implemented as lookup type 3 (like |
822 | * 'salt') the @value is a one based index into the alternates. |
823 | * @start: the cluster to start applying this feature setting (inclusive). |
824 | * @end: the cluster to end applying this feature setting (exclusive). |
825 | * |
826 | * The #hb_feature_t is the structure that holds information about requested |
827 | * feature application. The feature will be applied with the given value to all |
828 | * glyphs which are in clusters between @start (inclusive) and @end (exclusive). |
829 | * Setting start to #HB_FEATURE_GLOBAL_START and end to #HB_FEATURE_GLOBAL_END |
830 | * specifies that the feature always applies to the entire buffer. |
831 | */ |
832 | typedef struct hb_feature_t { |
833 | hb_tag_t tag; |
834 | uint32_t value; |
835 | unsigned int start; |
836 | unsigned int end; |
837 | } hb_feature_t; |
838 | |
839 | HB_EXTERN hb_bool_t |
840 | hb_feature_from_string (const char *str, int len, |
841 | hb_feature_t *feature); |
842 | |
843 | HB_EXTERN void |
844 | hb_feature_to_string (hb_feature_t *feature, |
845 | char *buf, unsigned int size); |
846 | |
847 | /** |
848 | * hb_variation_t: |
849 | * @tag: The #hb_tag_t tag of the variation-axis name |
850 | * @value: The value of the variation axis |
851 | * |
852 | * Data type for holding variation data. Registered OpenType |
853 | * variation-axis tags are listed in |
854 | * [OpenType Axis Tag Registry](https://docs.microsoft.com/en-us/typography/opentype/spec/dvaraxisreg). |
855 | * |
856 | * Since: 1.4.2 |
857 | */ |
858 | typedef struct hb_variation_t { |
859 | hb_tag_t tag; |
860 | float value; |
861 | } hb_variation_t; |
862 | |
863 | HB_EXTERN hb_bool_t |
864 | hb_variation_from_string (const char *str, int len, |
865 | hb_variation_t *variation); |
866 | |
867 | HB_EXTERN void |
868 | hb_variation_to_string (hb_variation_t *variation, |
869 | char *buf, unsigned int size); |
870 | |
871 | /** |
872 | * hb_color_t: |
873 | * |
874 | * Data type for holding color values. Colors are eight bits per |
875 | * channel RGB plus alpha transparency. |
876 | * |
877 | * Since: 2.1.0 |
878 | */ |
879 | typedef uint32_t hb_color_t; |
880 | |
881 | /** |
882 | * HB_COLOR: |
883 | * @b: blue channel value |
884 | * @g: green channel value |
885 | * @r: red channel value |
886 | * @a: alpha channel value |
887 | * |
888 | * Constructs an #hb_color_t from four integers. |
889 | * |
890 | * Since: 2.1.0 |
891 | */ |
892 | #define HB_COLOR(b,g,r,a) ((hb_color_t) HB_TAG ((b),(g),(r),(a))) |
893 | |
894 | HB_EXTERN uint8_t |
895 | hb_color_get_alpha (hb_color_t color); |
896 | #define hb_color_get_alpha(color) ((color) & 0xFF) |
897 | |
898 | HB_EXTERN uint8_t |
899 | hb_color_get_red (hb_color_t color); |
900 | #define hb_color_get_red(color) (((color) >> 8) & 0xFF) |
901 | |
902 | HB_EXTERN uint8_t |
903 | hb_color_get_green (hb_color_t color); |
904 | #define hb_color_get_green(color) (((color) >> 16) & 0xFF) |
905 | |
906 | HB_EXTERN uint8_t |
907 | hb_color_get_blue (hb_color_t color); |
908 | #define hb_color_get_blue(color) (((color) >> 24) & 0xFF) |
909 | |
910 | /** |
911 | * hb_glyph_extents_t: |
912 | * @x_bearing: Distance from the x-origin to the left extremum of the glyph. |
913 | * @y_bearing: Distance from the top extremum of the glyph to the y-origin. |
914 | * @width: Distance from the left extremum of the glyph to the right extremum. |
915 | * @height: Distance from the top extremum of the glyph to the bottom extremum. |
916 | * |
917 | * Glyph extent values, measured in font units. |
918 | * |
919 | * Note that @height is negative, in coordinate systems that grow up. |
920 | **/ |
921 | typedef struct hb_glyph_extents_t { |
922 | hb_position_t x_bearing; |
923 | hb_position_t y_bearing; |
924 | hb_position_t width; |
925 | hb_position_t height; |
926 | } hb_glyph_extents_t; |
927 | |
928 | /** |
929 | * hb_font_t: |
930 | * |
931 | * Data type for holding fonts. |
932 | * |
933 | */ |
934 | typedef struct hb_font_t hb_font_t; |
935 | |
936 | HB_END_DECLS |
937 | |
938 | #endif /* HB_COMMON_H */ |
939 | |