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Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-accelerator.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-accelerator.hh | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-accelerator.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-accelerator.hh new file mode 100644 index 00000000000..34bd0534fb6 --- /dev/null +++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-accelerator.hh @@ -0,0 +1,76 @@ +/* + * Copyright © 2022 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. + * + * Google Author(s): Garret Rieger + */ + +#ifndef HB_SUBSET_ACCELERATOR_HH +#define HB_SUBSET_ACCELERATOR_HH + + +#include "hb.hh" + +#include "hb-map.hh" +#include "hb-set.hh" + +struct hb_subset_accelerator_t +{ + static hb_user_data_key_t* user_data_key() + { + static hb_user_data_key_t key; + return &key; + } + + static hb_subset_accelerator_t* create(const hb_map_t& unicode_to_gid_, + const hb_set_t& unicodes_) { + hb_subset_accelerator_t* accel = + (hb_subset_accelerator_t*) hb_malloc (sizeof(hb_subset_accelerator_t)); + new (accel) hb_subset_accelerator_t (unicode_to_gid_, unicodes_); + return accel; + } + + static void destroy(void* value) { + if (!value) return; + + hb_subset_accelerator_t* accel = (hb_subset_accelerator_t*) value; + accel->~hb_subset_accelerator_t (); + hb_free (accel); + } + + hb_subset_accelerator_t(const hb_map_t& unicode_to_gid_, + const hb_set_t& unicodes_) + : unicode_to_gid(unicode_to_gid_), unicodes(unicodes_) {} + + const hb_map_t unicode_to_gid; + const hb_set_t unicodes; + // TODO(garretrieger): cumulative glyf checksum map + // TODO(garretrieger): sanitized table cache. + + bool in_error () const + { + return unicode_to_gid.in_error() || unicodes.in_error (); + } +}; + + +#endif /* HB_SUBSET_ACCELERATOR_HH */ |