blob: 6567a6f82ca07f23d887c6301f0d13df774653cf (
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
44
45
46
47
48
49
50
|
// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "prep.h"
// prep - Control Value Program
// http://www.microsoft.com/opentype/otspec/prep.htm
namespace ots {
bool ots_prep_parse(OpenTypeFile *file, const uint8_t *data, size_t length) {
Buffer table(data, length);
OpenTypePREP *prep = new OpenTypePREP;
file->prep = prep;
if (length >= 128 * 1024u) {
return OTS_FAILURE(); // almost all prep tables are less than 9k bytes.
}
if (!table.Skip(length)) {
return OTS_FAILURE();
}
prep->data = data;
prep->length = length;
return true;
}
bool ots_prep_should_serialise(OpenTypeFile *file) {
if (!file->glyf) return false; // this table is not for CFF fonts.
return g_transcode_hints && file->prep;
}
bool ots_prep_serialise(OTSStream *out, OpenTypeFile *file) {
const OpenTypePREP *prep = file->prep;
if (!out->Write(prep->data, prep->length)) {
return OTS_FAILURE();
}
return true;
}
void ots_prep_free(OpenTypeFile *file) {
delete file->prep;
}
} // namespace ots
|
