summaryrefslogtreecommitdiff
path: root/dviware/dvisvgm/libs/woff2/include/woff2/encode.h
blob: 2ac563032d1debc3b8e8fa64bc7729ff65327ba6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
/* Copyright 2014 Google Inc. All Rights Reserved.

   Distributed under MIT license.
   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/

/* Library for converting WOFF2 format font files to their TTF versions. */

#ifndef WOFF2_WOFF2_ENC_H_
#define WOFF2_WOFF2_ENC_H_

#include <stddef.h>
#include <inttypes.h>
#include <string>

namespace woff2 {

struct WOFF2Params {
  WOFF2Params() : extended_metadata(""), brotli_quality(11),
                  allow_transforms(true) {}

  std::string extended_metadata;
  int brotli_quality;
  bool allow_transforms;
};

// Returns an upper bound on the size of the compressed file.
size_t MaxWOFF2CompressedSize(const uint8_t* data, size_t length);
size_t MaxWOFF2CompressedSize(const uint8_t *data, size_t length,
                              const std::string &extended_metadata);

// Compresses the font into the target buffer. *result_length should be at least
// the value returned by MaxWOFF2CompressedSize(), upon return, it is set to the
// actual compressed size. Returns true on successful compression.
bool ConvertTTFToWOFF2(const uint8_t *data, size_t length,
                       uint8_t *result, size_t *result_length);
bool ConvertTTFToWOFF2(const uint8_t *data, size_t length,
                       uint8_t *result, size_t *result_length,
                       const WOFF2Params& params);

} // namespace woff2

#endif  // WOFF2_WOFF2_ENC_H_