2 * Copyright © 2011,2012 Google, Inc.
4 * This is part of HarfBuzz, a text shaping library.
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.
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
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.
24 * Google Author(s): Behdad Esfahbod
27 #ifndef HB_OT_HMTX_TABLE_HH
28 #define HB_OT_HMTX_TABLE_HH
30 #include "hb-open-type-private.hh"
37 * hmtx -- The Horizontal Metrics Table
40 #define HB_OT_TAG_hmtx HB_TAG('h','m','t','x')
48 DEFINE_SIZE_STATIC (4);
53 static const hb_tag_t Tag
= HB_OT_TAG_hmtx
;
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);
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. */
85 DEFINE_SIZE_ARRAY2 (0, longHorMetric
, leftSideBearingX
);
92 #endif /* HB_OT_HMTX_TABLE_HH */