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comparison: gfx/ots/src/hmtx.cc
gfx/ots/src/hmtx.cc
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:a04fa05317ce |
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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 "hmtx.h" | |
| 6 | |
| 7 #include "hhea.h" | |
| 8 #include "maxp.h" | |
| 9 | |
| 10 // hmtx - Horizontal Metrics | |
| 11 // http://www.microsoft.com/typography/otspec/hmtx.htm | |
| 12 | |
| 13 #define TABLE_NAME "hmtx" | |
| 14 | |
| 15 namespace ots { | |
| 16 | |
| 17 bool ots_hmtx_parse(OpenTypeFile *file, const uint8_t *data, size_t length) { | |
| 18 Buffer table(data, length); | |
| 19 OpenTypeHMTX *hmtx = new OpenTypeHMTX; | |
| 20 file->hmtx = hmtx; | |
| 21 | |
| 22 if (!file->hhea || !file->maxp) { | |
| 23 return OTS_FAILURE_MSG("Missing hhea or maxp tables in font, needed by hmtx"); | |
| 24 } | |
| 25 | |
| 26 if (!ParseMetricsTable(file, &table, file->maxp->num_glyphs, | |
| 27 &file->hhea->header, &hmtx->metrics)) { | |
| 28 return OTS_FAILURE_MSG("Failed to parse hmtx metrics"); | |
| 29 } | |
| 30 | |
| 31 return true; | |
| 32 } | |
| 33 | |
| 34 bool ots_hmtx_should_serialise(OpenTypeFile *file) { | |
| 35 return file->hmtx != NULL; | |
| 36 } | |
| 37 | |
| 38 bool ots_hmtx_serialise(OTSStream *out, OpenTypeFile *file) { | |
| 39 if (!SerialiseMetricsTable(file, out, &file->hmtx->metrics)) { | |
| 40 return OTS_FAILURE_MSG("Failed to serialise htmx metrics"); | |
| 41 } | |
| 42 return true; | |
| 43 } | |
| 44 | |
| 45 void ots_hmtx_free(OpenTypeFile *file) { | |
| 46 delete file->hmtx; | |
| 47 } | |
| 48 | |
| 49 } // namespace ots |
