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Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-meta-table.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-meta-table.hh | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-meta-table.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-meta-table.hh deleted file mode 100644 index 1225e26ce1e..00000000000 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-meta-table.hh +++ /dev/null @@ -1,127 +0,0 @@ -/* - * Copyright © 2019 Ebrahim Byagowi - * - * 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. - */ - -#ifndef HB_OT_META_TABLE_HH -#define HB_OT_META_TABLE_HH - -#include "hb-open-type.hh" - -/* - * meta -- Metadata Table - * https://docs.microsoft.com/en-us/typography/opentype/spec/meta - * https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6meta.html - */ -#define HB_OT_TAG_meta HB_TAG ('m','e','t','a') - - -namespace OT { - - -struct DataMap -{ - int cmp (hb_tag_t a) const { return tag.cmp (a); } - - hb_tag_t get_tag () const { return tag; } - - hb_blob_t *reference_entry (hb_blob_t *meta_blob) const - { return hb_blob_create_sub_blob (meta_blob, dataZ, dataLength); } - - bool sanitize (hb_sanitize_context_t *c, const void *base) const - { - TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this) && - dataZ.sanitize (c, base, dataLength))); - } - - protected: - Tag tag; /* A tag indicating the type of metadata. */ - LNNOffsetTo<UnsizedArrayOf<HBUINT8>> - dataZ; /* Offset in bytes from the beginning of the - * metadata table to the data for this tag. */ - HBUINT32 dataLength; /* Length of the data. The data is not required to - * be padded to any byte boundary. */ - public: - DEFINE_SIZE_STATIC (12); -}; - -struct meta -{ - static constexpr hb_tag_t tableTag = HB_OT_TAG_meta; - - struct accelerator_t - { - void init (hb_face_t *face) - { table = hb_sanitize_context_t ().reference_table<meta> (face); } - void fini () { table.destroy (); } - - hb_blob_t *reference_entry (hb_tag_t tag) const - { return table->dataMaps.lsearch (tag).reference_entry (table.get_blob ()); } - - unsigned int get_entries (unsigned int start_offset, - unsigned int *count, - hb_ot_meta_tag_t *entries) const - { - if (count) - { - + table->dataMaps.sub_array (start_offset, count) - | hb_map (&DataMap::get_tag) - | hb_map ([](hb_tag_t tag) { return (hb_ot_meta_tag_t) tag; }) - | hb_sink (hb_array (entries, *count)) - ; - } - return table->dataMaps.len; - } - - private: - hb_blob_ptr_t<meta> table; - }; - - bool sanitize (hb_sanitize_context_t *c) const - { - TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this) && - version == 1 && - dataMaps.sanitize (c, this))); - } - - protected: - HBUINT32 version; /* Version number of the metadata table — set to 1. */ - HBUINT32 flags; /* Flags — currently unused; set to 0. */ - HBUINT32 dataOffset; - /* Per Apple specification: - * Offset from the beginning of the table to the data. - * Per OT specification: - * Reserved. Not used; should be set to 0. */ - LArrayOf<DataMap> - dataMaps;/* Array of data map records. */ - public: - DEFINE_SIZE_ARRAY (16, dataMaps); -}; - -struct meta_accelerator_t : meta::accelerator_t {}; - -} /* namespace OT */ - - -#endif /* HB_OT_META_TABLE_HH */ |