1/*
2 * Copyright © 2018 Ebrahim Byagowi
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
25#ifndef HB_AAT_LAYOUT_ANKR_TABLE_HH
26#define HB_AAT_LAYOUT_ANKR_TABLE_HH
27
28#include "hb-aat-layout-common.hh"
29
30/*
31 * ankr -- Anchor Point
32 * https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6ankr.html
33 */
34#define HB_AAT_TAG_ankr HB_TAG('a','n','k','r')
35
36
37namespace AAT {
38
39
40struct Anchor
41{
42 inline bool sanitize (hb_sanitize_context_t *c) const
43 {
44 TRACE_SANITIZE (this);
45 return_trace (c->check_struct (this));
46 }
47
48 FWORD xCoordinate;
49 FWORD yCoordinate;
50 public:
51 DEFINE_SIZE_STATIC (4);
52};
53
54struct ankr
55{
56 static const hb_tag_t tableTag = HB_AAT_TAG_ankr;
57
58 inline bool sanitize (hb_sanitize_context_t *c) const
59 {
60 TRACE_SANITIZE (this);
61 return_trace (likely (c->check_struct (this) &&
62 version == 0 &&
63 lookupTable.sanitize (c, this) &&
64 anchors.sanitize (c, this)));
65 }
66
67 protected:
68 HBUINT16 version; /* Version number (set to zero) */
69 HBUINT16 flags; /* Flags (currently unused; set to zero) */
70 LOffsetTo<Lookup<HBUINT16> >
71 lookupTable; /* Offset to the table's lookup table */
72 LOffsetTo<LArrayOf<Anchor> >
73 anchors; /* Offset to the glyph data table */
74
75 public:
76 DEFINE_SIZE_STATIC (12);
77};
78
79} /* namespace AAT */
80
81
82#endif /* HB_AAT_LAYOUT_ANKR_TABLE_HH */
83