The Tor Browser / file comparison
comparison: gfx/harfbuzz/src/hb-ot-hmtx-table.hh
gfx/harfbuzz/src/hb-ot-hmtx-table.hh
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
equal
deleted
inserted
replaced
| -1:000000000000 | 0:9a584eabe9bc |
|---|---|
| 1 /* | |
| 2 * Copyright © 2011,2012 Google, Inc. | |
| 3 * | |
| 4 * This is part of HarfBuzz, a text shaping library. | |
| 5 * | |
| 6 * Permission is hereby granted, without written agreement and without | |
| 7 * license or royalty fees, to use, copy, modify, and distribute this | |
| 8 * software and its documentation for any purpose, provided that the | |
| 9 * above copyright notice and the following two paragraphs appear in | |
| 10 * all copies of this software. | |
| 11 * | |
| 12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR | |
| 13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES | |
| 14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN | |
| 15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH | |
| 16 * DAMAGE. | |
| 17 * | |
| 18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, | |
| 19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
| 20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS | |
| 21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO | |
| 22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. | |
| 23 * | |
| 24 * Google Author(s): Behdad Esfahbod | |
| 25 */ | |
| 26 | |
| 27 #ifndef HB_OT_HMTX_TABLE_HH | |
| 28 #define HB_OT_HMTX_TABLE_HH | |
| 29 | |
| 30 #include "hb-open-type-private.hh" | |
| 31 | |
| 32 | |
| 33 namespace OT { | |
| 34 | |
| 35 | |
| 36 /* | |
| 37 * hmtx -- The Horizontal Metrics Table | |
| 38 */ | |
| 39 | |
| 40 #define HB_OT_TAG_hmtx HB_TAG('h','m','t','x') | |
| 41 | |
| 42 | |
| 43 struct LongHorMetric | |
| 44 { | |
| 45 USHORT advanceWidth; | |
| 46 SHORT lsb; | |
| 47 public: | |
| 48 DEFINE_SIZE_STATIC (4); | |
| 49 }; | |
| 50 | |
| 51 struct hmtx | |
| 52 { | |
| 53 static const hb_tag_t tableTag = HB_OT_TAG_hmtx; | |
| 54 | |
| 55 inline bool sanitize (hb_sanitize_context_t *c) { | |
| 56 TRACE_SANITIZE (this); | |
| 57 /* We don't check for anything specific here. The users of the | |
| 58 * struct do all the hard work... */ | |
| 59 return TRACE_RETURN (true); | |
| 60 } | |
| 61 | |
| 62 protected: | |
| 63 LongHorMetric longHorMetric[VAR]; /* Paired advance width and left side | |
| 64 * bearing values for each glyph. The | |
| 65 * value numOfHMetrics comes from | |
| 66 * the 'hhea' table. If the font is | |
| 67 * monospaced, only one entry need | |
| 68 * be in the array, but that entry is | |
| 69 * required. The last entry applies to | |
| 70 * all subsequent glyphs. */ | |
| 71 SHORT leftSideBearingX[VAR]; /* Here the advanceWidth is assumed | |
| 72 * to be the same as the advanceWidth | |
| 73 * for the last entry above. The | |
| 74 * number of entries in this array is | |
| 75 * derived from numGlyphs (from 'maxp' | |
| 76 * table) minus numberOfHMetrics. This | |
| 77 * generally is used with a run of | |
| 78 * monospaced glyphs (e.g., Kanji | |
| 79 * fonts or Courier fonts). Only one | |
| 80 * run is allowed and it must be at | |
| 81 * the end. This allows a monospaced | |
| 82 * font to vary the left side bearing | |
| 83 * values for each glyph. */ | |
| 84 public: | |
| 85 DEFINE_SIZE_ARRAY2 (0, longHorMetric, leftSideBearingX); | |
| 86 }; | |
| 87 | |
| 88 | |
| 89 } /* namespace OT */ | |
| 90 | |
| 91 | |
| 92 #endif /* HB_OT_HMTX_TABLE_HH */ |
