third_party/woff2/src/woff2_common.h

   1 // Copyright 2014 Google Inc. All Rights Reserved.
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 // http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14 //
  15 // Common definition for WOFF2 encoding/decoding
  16
  17 #ifndef WOFF2_WOFF2_COMMON_H_
  18 #define WOFF2_WOFF2_COMMON_H_
  19
  20 #include <inttypes.h>
  21
  22 namespace woff2 {
  23
  24 static const uint32_t kWoff2Signature = 0x774f4632;  // "wOF2"
  25
  26 const unsigned int kWoff2FlagsContinueStream = 1 << 4;
  27 const unsigned int kWoff2FlagsTransform = 1 << 5;
  28
  29 struct Point {
  30   int x;
  31   int y;
  32   bool on_curve;
  33 };
  34
  35 struct Table {
  36   uint32_t tag;
  37   uint32_t flags;
  38   uint32_t src_offset;
  39   uint32_t src_length;
  40
  41   uint32_t transform_length;
  42
  43   uint32_t dst_offset;
  44   uint32_t dst_length;
  45   const uint8_t* dst_data;
  46
  47   bool operator<(const Table& other) const {
  48     return tag < other.tag;
  49   }
  50 };
  51
  52 } // namespace woff2
  53
  54 #endif  // WOFF2_WOFF2_COMMON_H_