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Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-0.9.13/src/hb-ot-hmtx-table.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-0.9.13/src/hb-ot-hmtx-table.hh | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.13/src/hb-ot-hmtx-table.hh b/Build/source/libs/harfbuzz/harfbuzz-0.9.13/src/hb-ot-hmtx-table.hh new file mode 100644 index 00000000000..b94337d0be7 --- /dev/null +++ b/Build/source/libs/harfbuzz/harfbuzz-0.9.13/src/hb-ot-hmtx-table.hh @@ -0,0 +1,92 @@ +/* + * Copyright © 2011,2012 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): Behdad Esfahbod + */ + +#ifndef HB_OT_HMTX_TABLE_HH +#define HB_OT_HMTX_TABLE_HH + +#include "hb-open-type-private.hh" + + +namespace OT { + + +/* + * hmtx -- The Horizontal Metrics Table + */ + +#define HB_OT_TAG_hmtx HB_TAG('h','m','t','x') + + +struct LongHorMetric +{ + USHORT advanceWidth; + SHORT lsb; + public: + DEFINE_SIZE_STATIC (4); +}; + +struct hmtx +{ + static const hb_tag_t Tag = HB_OT_TAG_hmtx; + + inline bool sanitize (hb_sanitize_context_t *c) { + TRACE_SANITIZE (this); + /* We don't check for anything specific here. The users of the + * struct do all the hard work... */ + return TRACE_RETURN (true); + } + + protected: + LongHorMetric longHorMetric[VAR]; /* Paired advance width and left side + * bearing values for each glyph. The + * value numOfHMetrics comes from + * the 'hhea' table. If the font is + * monospaced, only one entry need + * be in the array, but that entry is + * required. The last entry applies to + * all subsequent glyphs. */ + SHORT leftSideBearingX[VAR]; /* Here the advanceWidth is assumed + * to be the same as the advanceWidth + * for the last entry above. The + * number of entries in this array is + * derived from numGlyphs (from 'maxp' + * table) minus numberOfHMetrics. This + * generally is used with a run of + * monospaced glyphs (e.g., Kanji + * fonts or Courier fonts). Only one + * run is allowed and it must be at + * the end. This allows a monospaced + * font to vary the left side bearing + * values for each glyph. */ + public: + DEFINE_SIZE_ARRAY2 (0, longHorMetric, leftSideBearingX); +}; + + +} /* namespace OT */ + + +#endif /* HB_OT_HMTX_TABLE_HH */ |