1// Copyright (c) 2009 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef OTS_CMAP_H_
6#define OTS_CMAP_H_
7
8#include <vector>
9
10#include "ots.h"
11
12namespace ots {
13
14struct OpenTypeCMAPSubtableRange {
15  uint32_t start_range;
16  uint32_t end_range;
17  uint32_t start_glyph_id;
18};
19
20struct OpenTypeCMAPSubtableVSRange {
21  uint32_t unicode_value;
22  uint8_t additional_count;
23};
24
25struct OpenTypeCMAPSubtableVSMapping {
26  uint32_t unicode_value;
27  uint16_t glyph_id;
28};
29
30struct OpenTypeCMAPSubtableVSRecord {
31  uint32_t var_selector;
32  uint32_t default_offset;
33  uint32_t non_default_offset;
34  std::vector<OpenTypeCMAPSubtableVSRange> ranges;
35  std::vector<OpenTypeCMAPSubtableVSMapping> mappings;
36};
37
38struct OpenTypeCMAP {
39  OpenTypeCMAP()
40      : subtable_0_3_4_data(NULL),
41        subtable_0_3_4_length(0),
42        subtable_0_5_14_length(0),
43        subtable_3_0_4_data(NULL),
44        subtable_3_0_4_length(0),
45        subtable_3_1_4_data(NULL),
46        subtable_3_1_4_length(0) {
47  }
48
49  // Platform 0, Encoding 3, Format 4, Unicode BMP table.
50  const uint8_t *subtable_0_3_4_data;
51  size_t subtable_0_3_4_length;
52
53  // Platform 0, Encoding 5, Format 14, Unicode Variation Sequence table.
54  size_t subtable_0_5_14_length;
55  std::vector<OpenTypeCMAPSubtableVSRecord> subtable_0_5_14;
56
57  // Platform 3, Encoding 0, Format 4, MS Symbol table.
58  const uint8_t *subtable_3_0_4_data;
59  size_t subtable_3_0_4_length;
60  // Platform 3, Encoding 1, Format 4, MS Unicode BMP table.
61  const uint8_t *subtable_3_1_4_data;
62  size_t subtable_3_1_4_length;
63
64  // Platform 3, Encoding 10, Format 12, MS Unicode UCS-4 table.
65  std::vector<OpenTypeCMAPSubtableRange> subtable_3_10_12;
66  // Platform 3, Encoding 10, Format 13, MS UCS-4 Fallback table.
67  std::vector<OpenTypeCMAPSubtableRange> subtable_3_10_13;
68  // Platform 1, Encoding 0, Format 0, Mac Roman table.
69  std::vector<uint8_t> subtable_1_0_0;
70};
71
72}  // namespace ots
73
74#endif
75