third_party/ots/src/vdmx.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_VDMX_H_
   6 #define OTS_VDMX_H_
   7
   8 #include <vector>
   9
  10 #include "ots.h"
  11
  12 namespace ots {
  13
  14 struct OpenTypeVDMXRatioRecord {
  15   uint8_t charset;
  16   uint8_t x_ratio;
  17   uint8_t y_start_ratio;
  18   uint8_t y_end_ratio;
  19 };
  20
  21 struct OpenTypeVDMXVTable {
  22   uint16_t y_pel_height;
  23   int16_t y_max;
  24   int16_t y_min;
  25 };
  26
  27 struct OpenTypeVDMXGroup {
  28   uint16_t recs;
  29   uint8_t startsz;
  30   uint8_t endsz;
  31   std::vector<OpenTypeVDMXVTable> entries;
  32 };
  33
  34 struct OpenTypeVDMX {
  35   uint16_t version;
  36   uint16_t num_recs;
  37   uint16_t num_ratios;
  38   std::vector<OpenTypeVDMXRatioRecord> rat_ranges;
  39   std::vector<uint16_t> offsets;
  40   std::vector<OpenTypeVDMXGroup> groups;
  41 };
  42
  43 }  // namespace ots
  44
  45 #endif  // OTS_VDMX_H_