OLD | NEW |
| (Empty) |
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 #include "fpgm.h" | |
6 | |
7 // fpgm - Font Program | |
8 // http://www.microsoft.com/typography/otspec/fpgm.htm | |
9 | |
10 #define TABLE_NAME "fpgm" | |
11 | |
12 namespace ots { | |
13 | |
14 bool ots_fpgm_parse(OpenTypeFile *file, const uint8_t *data, size_t length) { | |
15 Buffer table(data, length); | |
16 | |
17 OpenTypeFPGM *fpgm = new OpenTypeFPGM; | |
18 file->fpgm = fpgm; | |
19 | |
20 if (length >= 128 * 1024u) { | |
21 return OTS_FAILURE_MSG("length (%ld) > 120", length); // almost all fpgm ta
bles are less than 5k bytes. | |
22 } | |
23 | |
24 if (!table.Skip(length)) { | |
25 return OTS_FAILURE_MSG("Bad fpgm length"); | |
26 } | |
27 | |
28 fpgm->data = data; | |
29 fpgm->length = length; | |
30 return true; | |
31 } | |
32 | |
33 bool ots_fpgm_should_serialise(OpenTypeFile *file) { | |
34 if (!file->glyf) return false; // this table is not for CFF fonts. | |
35 return file->fpgm; | |
36 } | |
37 | |
38 bool ots_fpgm_serialise(OTSStream *out, OpenTypeFile *file) { | |
39 const OpenTypeFPGM *fpgm = file->fpgm; | |
40 | |
41 if (!out->Write(fpgm->data, fpgm->length)) { | |
42 return OTS_FAILURE_MSG("Failed to write fpgm"); | |
43 } | |
44 | |
45 return true; | |
46 } | |
47 | |
48 void ots_fpgm_free(OpenTypeFile *file) { | |
49 delete file->fpgm; | |
50 } | |
51 | |
52 } // namespace ots | |
53 | |
54 #undef TABLE_NAME | |
OLD | NEW |