third_party/ots/src/cmap.h

   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
  12 namespace ots {
  13
  14 struct OpenTypeCMAPSubtableRange {
  15   uint32_t start_range;
  16   uint32_t end_range;
  17   uint32_t start_glyph_id;
  18 };
  19
  20 struct OpenTypeCMAPSubtableVSRange {
  21   uint32_t unicode_value;
  22   uint8_t additional_count;
  23 };
  24
  25 struct OpenTypeCMAPSubtableVSMapping {
  26   uint32_t unicode_value;
  27   uint16_t glyph_id;
  28 };
  29
  30 struct 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
  38 struct 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