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comparison: gfx/ots/src/hhea.cc
gfx/ots/src/hhea.cc
- changeset 0
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| -1:000000000000 | 0:719d922b23ff |
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| 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 "hhea.h" | |
| 6 | |
| 7 #include "head.h" | |
| 8 #include "maxp.h" | |
| 9 | |
| 10 // hhea - Horizontal Header | |
| 11 // http://www.microsoft.com/typography/otspec/hhea.htm | |
| 12 | |
| 13 #define TABLE_NAME "hhea" | |
| 14 | |
| 15 namespace ots { | |
| 16 | |
| 17 bool ots_hhea_parse(OpenTypeFile *file, const uint8_t *data, size_t length) { | |
| 18 Buffer table(data, length); | |
| 19 OpenTypeHHEA *hhea = new OpenTypeHHEA; | |
| 20 file->hhea = hhea; | |
| 21 | |
| 22 if (!table.ReadU32(&hhea->header.version)) { | |
| 23 return OTS_FAILURE_MSG("Failed to read hhea version"); | |
| 24 } | |
| 25 if (hhea->header.version >> 16 != 1) { | |
| 26 return OTS_FAILURE_MSG("Bad hhea version of %d", hhea->header.version); | |
| 27 } | |
| 28 | |
| 29 if (!ParseMetricsHeader(file, &table, &hhea->header)) { | |
| 30 return OTS_FAILURE_MSG("Failed to parse horizontal metrics"); | |
| 31 } | |
| 32 | |
| 33 return true; | |
| 34 } | |
| 35 | |
| 36 bool ots_hhea_should_serialise(OpenTypeFile *file) { | |
| 37 return file->hhea != NULL; | |
| 38 } | |
| 39 | |
| 40 bool ots_hhea_serialise(OTSStream *out, OpenTypeFile *file) { | |
| 41 if (!SerialiseMetricsHeader(file, out, &file->hhea->header)) { | |
| 42 return OTS_FAILURE_MSG("Failed to serialise horizontal metrics"); | |
| 43 } | |
| 44 return true; | |
| 45 } | |
| 46 | |
| 47 void ots_hhea_free(OpenTypeFile *file) { | |
| 48 delete file->hhea; | |
| 49 } | |
| 50 | |
| 51 } // namespace ots |
