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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 /*
2 * Copyright © 2007,2008,2009 Red Hat, Inc.
3 * Copyright © 2012,2013 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 #ifndef HB_OT_LAYOUT_HH
30 #define HB_OT_LAYOUT_HH
31
32 #include "hb.hh"
33
34 #include "hb-font.hh"
35 #include "hb-buffer.hh"
36 #include "hb-open-type.hh"
37 #include "hb-ot-shape.hh"
38 #include "hb-set-digest.hh"
39
40
41 struct hb_ot_shape_plan_t;
42
43
44 /*
45 * kern
46 */
47
48 HB_INTERNAL bool
49 hb_ot_layout_has_kerning (hb_face_t *face);
50
51 HB_INTERNAL bool
52 hb_ot_layout_has_machine_kerning (hb_face_t *face);
53
54 HB_INTERNAL bool
55 hb_ot_layout_has_cross_kerning (hb_face_t *face);
56
57 HB_INTERNAL void
58 hb_ot_layout_kern (const hb_ot_shape_plan_t *plan,
59 hb_font_t *font,
60 hb_buffer_t *buffer);
61
62
63 /* Private API corresponding to hb-ot-layout.h: */
64
65 HB_INTERNAL bool
66 hb_ot_layout_table_find_feature (hb_face_t *face,
67 hb_tag_t table_tag,
68 hb_tag_t feature_tag,
69 unsigned int *feature_index);
70
71
72 /*
73 * GDEF
74 */
75
76 enum hb_ot_layout_glyph_props_flags_t
77 {
78 /* The following three match LookupFlags::Ignore* numbers. */
79 HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH = 0x02u,
80 HB_OT_LAYOUT_GLYPH_PROPS_LIGATURE = 0x04u,
81 HB_OT_LAYOUT_GLYPH_PROPS_MARK = 0x08u,
82
83 /* The following are used internally; not derived from GDEF. */
84 HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED = 0x10u,
85 HB_OT_LAYOUT_GLYPH_PROPS_LIGATED = 0x20u,
86 HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED = 0x40u,
87
88 HB_OT_LAYOUT_GLYPH_PROPS_PRESERVE = HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED |
89 HB_OT_LAYOUT_GLYPH_PROPS_LIGATED |
90 HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED
91 };
92 HB_MARK_AS_FLAG_T (hb_ot_layout_glyph_props_flags_t);
93
94
95 /*
96 * GSUB/GPOS
97 */
98
99
100 /* Should be called before all the substitute_lookup's are done. */
101 HB_INTERNAL void
102 hb_ot_layout_substitute_start (hb_font_t *font,
103 hb_buffer_t *buffer);
104
105 namespace OT {
106 struct hb_ot_apply_context_t;
107 struct hb_ot_layout_lookup_accelerator_t;
108 namespace Layout {
109 namespace GSUB_impl {
110 struct SubstLookup;
111 }
112 }
113 }
114
115 HB_INTERNAL void
116 hb_ot_layout_substitute_lookup (OT::hb_ot_apply_context_t *c,
117 const OT::Layout::GSUB_impl::SubstLookup &lookup,
118 const OT::hb_ot_layout_lookup_accelerator_t &accel);
119
120
121 /* Should be called before all the position_lookup's are done. */
122 HB_INTERNAL void
123 hb_ot_layout_position_start (hb_font_t *font,
124 hb_buffer_t *buffer);
125
126 /* Should be called after all the position_lookup's are done, to fini advances. */
127 HB_INTERNAL void
128 hb_ot_layout_position_finish_advances (hb_font_t *font,
129 hb_buffer_t *buffer);
130
131 /* Should be called after hb_ot_layout_position_finish_advances, to fini offsets. */
132 HB_INTERNAL void
133 hb_ot_layout_position_finish_offsets (hb_font_t *font,
134 hb_buffer_t *buffer);
135
136
137 /*
138 * Buffer var routines.
139 */
140
141 /* buffer var allocations, used during the entire shaping process */
142 #define unicode_props() var2.u16[0]
143
144 /* buffer var allocations, used during the GSUB/GPOS processing */
145 #define glyph_props() var1.u16[0] /* GDEF glyph properties */
146 #define lig_props() var1.u8[2] /* GSUB/GPOS ligature tracking */
147 #define syllable() var1.u8[3] /* GSUB/GPOS shaping boundaries */
148
149
150 /* Loop over syllables. Based on foreach_cluster(). */
151 #define foreach_syllable(buffer, start, end) \
152 for (unsigned int \
153 _count = buffer->len, \
154 start = 0, end = _count ? _hb_next_syllable (buffer, 0) : 0; \
155 start < _count; \
156 start = end, end = _hb_next_syllable (buffer, start))
157
158 static inline unsigned int
159 _hb_next_syllable (hb_buffer_t *buffer, unsigned int start)
160 {
161 hb_glyph_info_t *info = buffer->info;
162 unsigned int count = buffer->len;
163
164 unsigned int syllable = info[start].syllable();
165 while (++start < count && syllable == info[start].syllable())
166 ;
167
168 return start;
169 }
170
171
172 /* unicode_props */
173
174 /* Design:
175 * unicode_props() is a two-byte number. The low byte includes:
176 * - General_Category: 5 bits.
177 * - A bit each for:
178 * * Is it Default_Ignorable(); we have a modified Default_Ignorable().
179 * * Whether it's one of the four Mongolian Free Variation Selectors,
180 * CGJ, or other characters that are hidden but should not be ignored
181 * like most other Default_Ignorable()s do during matching.
182 * * Whether it's a grapheme continuation.
183 *
184 * The high-byte has different meanings, switched by the Gen-Cat:
185 * - For Mn,Mc,Me: the modified Combining_Class.
186 * - For Cf: whether it's ZWJ, ZWNJ, or something else.
187 * - For Ws: index of which space character this is, if space fallback
188 * is needed, ie. we don't set this by default, only if asked to.
189 */
190
191 enum hb_unicode_props_flags_t {
192 UPROPS_MASK_GEN_CAT = 0x001Fu,
193 UPROPS_MASK_IGNORABLE = 0x0020u,
194 UPROPS_MASK_HIDDEN = 0x0040u, /* MONGOLIAN FREE VARIATION SELECTOR 1..4, or TAG characters */
195 UPROPS_MASK_CONTINUATION=0x0080u,
196
197 /* If GEN_CAT=FORMAT, top byte masks: */
198 UPROPS_MASK_Cf_ZWJ = 0x0100u,
199 UPROPS_MASK_Cf_ZWNJ = 0x0200u
200 };
201 HB_MARK_AS_FLAG_T (hb_unicode_props_flags_t);
202
203 static inline void
204 _hb_glyph_info_set_unicode_props (hb_glyph_info_t *info, hb_buffer_t *buffer)
205 {
206 hb_unicode_funcs_t *unicode = buffer->unicode;
207 unsigned int u = info->codepoint;
208 unsigned int gen_cat = (unsigned int) unicode->general_category (u);
209 unsigned int props = gen_cat;
210
211 if (u >= 0x80u)
212 {
213 buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_NON_ASCII;
214
215 if (unlikely (unicode->is_default_ignorable (u)))
216 {
217 buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_DEFAULT_IGNORABLES;
218 props |= UPROPS_MASK_IGNORABLE;
219 if (u == 0x200Cu) props |= UPROPS_MASK_Cf_ZWNJ;
220 else if (u == 0x200Du) props |= UPROPS_MASK_Cf_ZWJ;
221 /* Mongolian Free Variation Selectors need to be remembered
222 * because although we need to hide them like default-ignorables,
223 * they need to non-ignorable during shaping. This is similar to
224 * what we do for joiners in Indic-like shapers, but since the
225 * FVSes are GC=Mn, we have use a separate bit to remember them.
226 * Fixes:
227 * https://github.com/harfbuzz/harfbuzz/issues/234 */
228 else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0x180Bu, 0x180Du, 0x180Fu, 0x180Fu))) props |= UPROPS_MASK_HIDDEN;
229 /* TAG characters need similar treatment. Fixes:
230 * https://github.com/harfbuzz/harfbuzz/issues/463 */
231 else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0xE0020u, 0xE007Fu))) props |= UPROPS_MASK_HIDDEN;
232 /* COMBINING GRAPHEME JOINER should not be skipped; at least some times.
233 * https://github.com/harfbuzz/harfbuzz/issues/554 */
234 else if (unlikely (u == 0x034Fu))
235 {
236 buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_CGJ;
237 props |= UPROPS_MASK_HIDDEN;
238 }
239 }
240
241 if (unlikely (HB_UNICODE_GENERAL_CATEGORY_IS_MARK (gen_cat)))
242 {
243 props |= UPROPS_MASK_CONTINUATION;
244 props |= unicode->modified_combining_class (u)<<8;
245 }
246 }
247
248 info->unicode_props() = props;
249 }
250
251 static inline void
252 _hb_glyph_info_set_general_category (hb_glyph_info_t *info,
253 hb_unicode_general_category_t gen_cat)
254 {
255 /* Clears top-byte. */
256 info->unicode_props() = (unsigned int) gen_cat | (info->unicode_props() & (0xFF & ~UPROPS_MASK_GEN_CAT));
257 }
258
259 static inline hb_unicode_general_category_t
260 _hb_glyph_info_get_general_category (const hb_glyph_info_t *info)
261 {
262 return (hb_unicode_general_category_t) (info->unicode_props() & UPROPS_MASK_GEN_CAT);
263 }
264
265 static inline bool
266 _hb_glyph_info_is_unicode_mark (const hb_glyph_info_t *info)
267 {
268 return HB_UNICODE_GENERAL_CATEGORY_IS_MARK (info->unicode_props() & UPROPS_MASK_GEN_CAT);
269 }
270 static inline void
271 _hb_glyph_info_set_modified_combining_class (hb_glyph_info_t *info,
272 unsigned int modified_class)
273 {
274 if (unlikely (!_hb_glyph_info_is_unicode_mark (info)))
275 return;
276 info->unicode_props() = (modified_class<<8) | (info->unicode_props() & 0xFF);
277 }
278 static inline unsigned int
279 _hb_glyph_info_get_modified_combining_class (const hb_glyph_info_t *info)
280 {
281 return _hb_glyph_info_is_unicode_mark (info) ? info->unicode_props()>>8 : 0;
282 }
283 #define info_cc(info) (_hb_glyph_info_get_modified_combining_class (&(info)))
284
285 static inline bool
286 _hb_glyph_info_is_unicode_space (const hb_glyph_info_t *info)
287 {
288 return _hb_glyph_info_get_general_category (info) ==
289 HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR;
290 }
291 static inline void
292 _hb_glyph_info_set_unicode_space_fallback_type (hb_glyph_info_t *info, hb_unicode_funcs_t::space_t s)
293 {
294 if (unlikely (!_hb_glyph_info_is_unicode_space (info)))
295 return;
296 info->unicode_props() = (((unsigned int) s)<<8) | (info->unicode_props() & 0xFF);
297 }
298 static inline hb_unicode_funcs_t::space_t
299 _hb_glyph_info_get_unicode_space_fallback_type (const hb_glyph_info_t *info)
300 {
301 return _hb_glyph_info_is_unicode_space (info) ?
302 (hb_unicode_funcs_t::space_t) (info->unicode_props()>>8) :
303 hb_unicode_funcs_t::NOT_SPACE;
304 }
305
306 static inline bool _hb_glyph_info_substituted (const hb_glyph_info_t *info);
307
308 static inline bool
309 _hb_glyph_info_is_default_ignorable (const hb_glyph_info_t *info)
310 {
311 return (info->unicode_props() & UPROPS_MASK_IGNORABLE) &&
312 !_hb_glyph_info_substituted (info);
313 }
314 static inline bool
315 _hb_glyph_info_is_default_ignorable_and_not_hidden (const hb_glyph_info_t *info)
316 {
317 return ((info->unicode_props() & (UPROPS_MASK_IGNORABLE|UPROPS_MASK_HIDDEN))
318 == UPROPS_MASK_IGNORABLE) &&
319 !_hb_glyph_info_substituted (info);
320 }
321 static inline void
322 _hb_glyph_info_unhide (hb_glyph_info_t *info)
323 {
324 info->unicode_props() &= ~ UPROPS_MASK_HIDDEN;
325 }
326
327 static inline void
328 _hb_glyph_info_set_continuation (hb_glyph_info_t *info)
329 {
330 info->unicode_props() |= UPROPS_MASK_CONTINUATION;
331 }
332 static inline void
333 _hb_glyph_info_reset_continuation (hb_glyph_info_t *info)
334 {
335 info->unicode_props() &= ~ UPROPS_MASK_CONTINUATION;
336 }
337 static inline bool
338 _hb_glyph_info_is_continuation (const hb_glyph_info_t *info)
339 {
340 return info->unicode_props() & UPROPS_MASK_CONTINUATION;
341 }
342
343 static inline bool
344 _hb_grapheme_group_func (const hb_glyph_info_t& a HB_UNUSED,
345 const hb_glyph_info_t& b)
346 { return _hb_glyph_info_is_continuation (&b); }
347
348 #define foreach_grapheme(buffer, start, end) \
349 foreach_group (buffer, start, end, _hb_grapheme_group_func)
350
351 static inline void
352 _hb_ot_layout_reverse_graphemes (hb_buffer_t *buffer)
353 {
354 buffer->reverse_groups (_hb_grapheme_group_func,
355 buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS);
356 }
357
358 static inline bool
359 _hb_glyph_info_is_unicode_format (const hb_glyph_info_t *info)
360 {
361 return _hb_glyph_info_get_general_category (info) ==
362 HB_UNICODE_GENERAL_CATEGORY_FORMAT;
363 }
364 static inline bool
365 _hb_glyph_info_is_zwnj (const hb_glyph_info_t *info)
366 {
367 return _hb_glyph_info_is_unicode_format (info) && (info->unicode_props() & UPROPS_MASK_Cf_ZWNJ);
368 }
369 static inline bool
370 _hb_glyph_info_is_zwj (const hb_glyph_info_t *info)
371 {
372 return _hb_glyph_info_is_unicode_format (info) && (info->unicode_props() & UPROPS_MASK_Cf_ZWJ);
373 }
374 static inline bool
375 _hb_glyph_info_is_joiner (const hb_glyph_info_t *info)
376 {
377 return _hb_glyph_info_is_unicode_format (info) && (info->unicode_props() & (UPROPS_MASK_Cf_ZWNJ|UPROPS_MASK_Cf_ZWJ));
378 }
379 static inline void
380 _hb_glyph_info_flip_joiners (hb_glyph_info_t *info)
381 {
382 if (!_hb_glyph_info_is_unicode_format (info))
383 return;
384 info->unicode_props() ^= UPROPS_MASK_Cf_ZWNJ | UPROPS_MASK_Cf_ZWJ;
385 }
386
387 /* lig_props: aka lig_id / lig_comp
388 *
389 * When a ligature is formed:
390 *
391 * - The ligature glyph and any marks in between all the same newly allocated
392 * lig_id,
393 * - The ligature glyph will get lig_num_comps set to the number of components
394 * - The marks get lig_comp > 0, reflecting which component of the ligature
395 * they were applied to.
396 * - This is used in GPOS to attach marks to the right component of a ligature
397 * in MarkLigPos,
398 * - Note that when marks are ligated together, much of the above is skipped
399 * and the current lig_id reused.
400 *
401 * When a multiple-substitution is done:
402 *
403 * - All resulting glyphs will have lig_id = 0,
404 * - The resulting glyphs will have lig_comp = 0, 1, 2, ... respectively.
405 * - This is used in GPOS to attach marks to the first component of a
406 * multiple substitution in MarkBasePos.
407 *
408 * The numbers are also used in GPOS to do mark-to-mark positioning only
409 * to marks that belong to the same component of the same ligature.
410 */
411
412 static inline void
413 _hb_glyph_info_clear_lig_props (hb_glyph_info_t *info)
414 {
415 info->lig_props() = 0;
416 }
417
418 #define IS_LIG_BASE 0x10
419
420 static inline void
421 _hb_glyph_info_set_lig_props_for_ligature (hb_glyph_info_t *info,
422 unsigned int lig_id,
423 unsigned int lig_num_comps)
424 {
425 info->lig_props() = (lig_id << 5) | IS_LIG_BASE | (lig_num_comps & 0x0F);
426 }
427
428 static inline void
429 _hb_glyph_info_set_lig_props_for_mark (hb_glyph_info_t *info,
430 unsigned int lig_id,
431 unsigned int lig_comp)
432 {
433 info->lig_props() = (lig_id << 5) | (lig_comp & 0x0F);
434 }
435
436 static inline void
437 _hb_glyph_info_set_lig_props_for_component (hb_glyph_info_t *info, unsigned int comp)
438 {
439 _hb_glyph_info_set_lig_props_for_mark (info, 0, comp);
440 }
441
442 static inline unsigned int
443 _hb_glyph_info_get_lig_id (const hb_glyph_info_t *info)
444 {
445 return info->lig_props() >> 5;
446 }
447
448 static inline bool
449 _hb_glyph_info_ligated_internal (const hb_glyph_info_t *info)
450 {
451 return !!(info->lig_props() & IS_LIG_BASE);
452 }
453
454 static inline unsigned int
455 _hb_glyph_info_get_lig_comp (const hb_glyph_info_t *info)
456 {
457 if (_hb_glyph_info_ligated_internal (info))
458 return 0;
459 else
460 return info->lig_props() & 0x0F;
461 }
462
463 static inline unsigned int
464 _hb_glyph_info_get_lig_num_comps (const hb_glyph_info_t *info)
465 {
466 if ((info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_LIGATURE) &&
467 _hb_glyph_info_ligated_internal (info))
468 return info->lig_props() & 0x0F;
469 else
470 return 1;
471 }
472
473 static inline uint8_t
474 _hb_allocate_lig_id (hb_buffer_t *buffer)
475 {
476 uint8_t lig_id = buffer->next_serial () & 0x07;
477 if (unlikely (!lig_id))
478 lig_id = _hb_allocate_lig_id (buffer); /* in case of overflow */
479 return lig_id;
480 }
481
482 /* glyph_props: */
483
484 static inline void
485 _hb_glyph_info_set_glyph_props (hb_glyph_info_t *info, unsigned int props)
486 {
487 info->glyph_props() = props;
488 }
489
490 static inline unsigned int
491 _hb_glyph_info_get_glyph_props (const hb_glyph_info_t *info)
492 {
493 return info->glyph_props();
494 }
495
496 static inline bool
497 _hb_glyph_info_is_base_glyph (const hb_glyph_info_t *info)
498 {
499 return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH);
500 }
501
502 static inline bool
503 _hb_glyph_info_is_ligature (const hb_glyph_info_t *info)
504 {
505 return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_LIGATURE);
506 }
507
508 static inline bool
509 _hb_glyph_info_is_mark (const hb_glyph_info_t *info)
510 {
511 return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_MARK);
512 }
513
514 static inline bool
515 _hb_glyph_info_substituted (const hb_glyph_info_t *info)
516 {
517 return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED);
518 }
519
520 static inline bool
521 _hb_glyph_info_ligated (const hb_glyph_info_t *info)
522 {
523 return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_LIGATED);
524 }
525
526 static inline bool
527 _hb_glyph_info_multiplied (const hb_glyph_info_t *info)
528 {
529 return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED);
530 }
531
532 static inline bool
533 _hb_glyph_info_ligated_and_didnt_multiply (const hb_glyph_info_t *info)
534 {
535 return _hb_glyph_info_ligated (info) && !_hb_glyph_info_multiplied (info);
536 }
537
538 static inline void
539 _hb_glyph_info_clear_ligated_and_multiplied (hb_glyph_info_t *info)
540 {
541 info->glyph_props() &= ~(HB_OT_LAYOUT_GLYPH_PROPS_LIGATED |
542 HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED);
543 }
544
545 static inline void
546 _hb_glyph_info_clear_substituted (hb_glyph_info_t *info)
547 {
548 info->glyph_props() &= ~(HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED);
549 }
550
551 static inline bool
552 _hb_clear_substitution_flags (const hb_ot_shape_plan_t *plan HB_UNUSED,
553 hb_font_t *font HB_UNUSED,
554 hb_buffer_t *buffer)
555 {
556 hb_glyph_info_t *info = buffer->info;
557 unsigned int count = buffer->len;
558 for (unsigned int i = 0; i < count; i++)
559 _hb_glyph_info_clear_substituted (&info[i]);
560 return false;
561 }
562
563
564 /* Allocation / deallocation. */
565
566 static inline void
567 _hb_buffer_allocate_unicode_vars (hb_buffer_t *buffer)
568 {
569 HB_BUFFER_ALLOCATE_VAR (buffer, unicode_props);
570 }
571
572 static inline void
573 _hb_buffer_deallocate_unicode_vars (hb_buffer_t *buffer)
574 {
575 HB_BUFFER_DEALLOCATE_VAR (buffer, unicode_props);
576 }
577
578 static inline void
579 _hb_buffer_assert_unicode_vars (hb_buffer_t *buffer)
580 {
581 HB_BUFFER_ASSERT_VAR (buffer, unicode_props);
582 }
583
584 static inline void
585 _hb_buffer_allocate_gsubgpos_vars (hb_buffer_t *buffer)
586 {
587 HB_BUFFER_ALLOCATE_VAR (buffer, glyph_props);
588 HB_BUFFER_ALLOCATE_VAR (buffer, lig_props);
589 }
590
591 static inline void
592 _hb_buffer_deallocate_gsubgpos_vars (hb_buffer_t *buffer)
593 {
594 HB_BUFFER_DEALLOCATE_VAR (buffer, lig_props);
595 HB_BUFFER_DEALLOCATE_VAR (buffer, glyph_props);
596 }
597
598 static inline void
599 _hb_buffer_assert_gsubgpos_vars (hb_buffer_t *buffer)
600 {
601 HB_BUFFER_ASSERT_VAR (buffer, glyph_props);
602 HB_BUFFER_ASSERT_VAR (buffer, lig_props);
603 }
604
605 /* Make sure no one directly touches our props... */
606 #undef unicode_props0
607 #undef unicode_props1
608 #undef lig_props
609 #undef glyph_props
610
611 #endif /* HB_OT_LAYOUT_HH */