363 *glyph = nonDefaults[i].glyphID;
364 return GLYPH_VARIANT_FOUND;
365 }
366 return GLYPH_VARIANT_NOT_FOUND;
367 }
368
369 inline int cmp (const hb_codepoint_t &variation_selector) const
370 {
371 return varSelector.cmp (variation_selector);
372 }
373
374 inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
375 {
376 TRACE_SANITIZE (this);
377 return_trace (c->check_struct (this) &&
378 defaultUVS.sanitize (c, base) &&
379 nonDefaultUVS.sanitize (c, base));
380 }
381
382 UINT24 varSelector; /* Variation selector. */
383 OffsetTo<DefaultUVS, ULONG>
384 defaultUVS; /* Offset to Default UVS Table. May be 0. */
385 OffsetTo<NonDefaultUVS, ULONG>
386 nonDefaultUVS; /* Offset to Non-Default UVS Table. May be 0. */
387 public:
388 DEFINE_SIZE_STATIC (11);
389 };
390
391 struct CmapSubtableFormat14
392 {
393 inline glyph_variant_t get_glyph_variant (hb_codepoint_t codepoint,
394 hb_codepoint_t variation_selector,
395 hb_codepoint_t *glyph) const
396 {
397 return record[record.bsearch(variation_selector)].get_glyph (codepoint, glyph, this);
398 }
399
400 inline bool sanitize (hb_sanitize_context_t *c) const
401 {
402 TRACE_SANITIZE (this);
403 return_trace (c->check_struct (this) &&
404 record.sanitize (c, this));
405 }
469 {
470 inline int cmp (const EncodingRecord &other) const
471 {
472 int ret;
473 ret = platformID.cmp (other.platformID);
474 if (ret) return ret;
475 ret = encodingID.cmp (other.encodingID);
476 if (ret) return ret;
477 return 0;
478 }
479
480 inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
481 {
482 TRACE_SANITIZE (this);
483 return_trace (c->check_struct (this) &&
484 subtable.sanitize (c, base));
485 }
486
487 USHORT platformID; /* Platform ID. */
488 USHORT encodingID; /* Platform-specific encoding ID. */
489 OffsetTo<CmapSubtable, ULONG>
490 subtable; /* Byte offset from beginning of table to the subtable for this encoding. */
491 public:
492 DEFINE_SIZE_STATIC (8);
493 };
494
495 struct cmap
496 {
497 static const hb_tag_t tableTag = HB_OT_TAG_cmap;
498
499 inline const CmapSubtable *find_subtable (unsigned int platform_id,
500 unsigned int encoding_id) const
501 {
502 EncodingRecord key;
503 key.platformID.set (platform_id);
504 key.encodingID.set (encoding_id);
505
506 /* Note: We can use bsearch, but since it has no performance
507 * implications, we use lsearch and as such accept fonts with
508 * unsorted subtable list. */
509 int result = encodingRecord./*bsearch*/lsearch (key);
510 if (result == -1 || !encodingRecord[result].subtable)
511 return NULL;
512
513 return &(this+encodingRecord[result].subtable);
514 }
515
516 inline bool sanitize (hb_sanitize_context_t *c) const
517 {
518 TRACE_SANITIZE (this);
519 return_trace (c->check_struct (this) &&
520 likely (version == 0) &&
521 encodingRecord.sanitize (c, this));
522 }
523
524 USHORT version; /* Table version number (0). */
525 SortedArrayOf<EncodingRecord>
526 encodingRecord; /* Encoding tables. */
527 public:
528 DEFINE_SIZE_ARRAY (4, encodingRecord);
529 };
530
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363 *glyph = nonDefaults[i].glyphID;
364 return GLYPH_VARIANT_FOUND;
365 }
366 return GLYPH_VARIANT_NOT_FOUND;
367 }
368
369 inline int cmp (const hb_codepoint_t &variation_selector) const
370 {
371 return varSelector.cmp (variation_selector);
372 }
373
374 inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
375 {
376 TRACE_SANITIZE (this);
377 return_trace (c->check_struct (this) &&
378 defaultUVS.sanitize (c, base) &&
379 nonDefaultUVS.sanitize (c, base));
380 }
381
382 UINT24 varSelector; /* Variation selector. */
383 LOffsetTo<DefaultUVS>
384 defaultUVS; /* Offset to Default UVS Table. May be 0. */
385 LOffsetTo<NonDefaultUVS>
386 nonDefaultUVS; /* Offset to Non-Default UVS Table. May be 0. */
387 public:
388 DEFINE_SIZE_STATIC (11);
389 };
390
391 struct CmapSubtableFormat14
392 {
393 inline glyph_variant_t get_glyph_variant (hb_codepoint_t codepoint,
394 hb_codepoint_t variation_selector,
395 hb_codepoint_t *glyph) const
396 {
397 return record[record.bsearch(variation_selector)].get_glyph (codepoint, glyph, this);
398 }
399
400 inline bool sanitize (hb_sanitize_context_t *c) const
401 {
402 TRACE_SANITIZE (this);
403 return_trace (c->check_struct (this) &&
404 record.sanitize (c, this));
405 }
469 {
470 inline int cmp (const EncodingRecord &other) const
471 {
472 int ret;
473 ret = platformID.cmp (other.platformID);
474 if (ret) return ret;
475 ret = encodingID.cmp (other.encodingID);
476 if (ret) return ret;
477 return 0;
478 }
479
480 inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
481 {
482 TRACE_SANITIZE (this);
483 return_trace (c->check_struct (this) &&
484 subtable.sanitize (c, base));
485 }
486
487 USHORT platformID; /* Platform ID. */
488 USHORT encodingID; /* Platform-specific encoding ID. */
489 LOffsetTo<CmapSubtable>
490 subtable; /* Byte offset from beginning of table to the subtable for this encoding. */
491 public:
492 DEFINE_SIZE_STATIC (8);
493 };
494
495 struct cmap
496 {
497 static const hb_tag_t tableTag = HB_OT_TAG_cmap;
498
499 inline const CmapSubtable *find_subtable (unsigned int platform_id,
500 unsigned int encoding_id) const
501 {
502 EncodingRecord key;
503 key.platformID.set (platform_id);
504 key.encodingID.set (encoding_id);
505
506 /* Note: We can use bsearch, but since it has no performance
507 * implications, we use lsearch and as such accept fonts with
508 * unsorted subtable list. */
509 int result = encodingRecord./*bsearch*/lsearch (key);
510 if (result == -1 || !encodingRecord[result].subtable)
511 return nullptr;
512
513 return &(this+encodingRecord[result].subtable);
514 }
515
516 inline bool sanitize (hb_sanitize_context_t *c) const
517 {
518 TRACE_SANITIZE (this);
519 return_trace (c->check_struct (this) &&
520 likely (version == 0) &&
521 encodingRecord.sanitize (c, this));
522 }
523
524 USHORT version; /* Table version number (0). */
525 SortedArrayOf<EncodingRecord>
526 encodingRecord; /* Encoding tables. */
527 public:
528 DEFINE_SIZE_ARRAY (4, encodingRecord);
529 };
530
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