bashi@chromium.org | 4dcad60 | 2011-03-28 20:51:38 +0000 | [diff] [blame] | 1 | // Copyright (c) 2011 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 | #ifndef OTS_METRICS_H_ |
| 6 | #define OTS_METRICS_H_ |
| 7 | |
| 8 | #include <utility> // std::pair |
| 9 | #include <vector> |
| 10 | |
| 11 | #include "ots.h" |
| 12 | |
| 13 | namespace ots { |
| 14 | |
| 15 | struct OpenTypeMetricsHeader { |
| 16 | uint32_t version; |
| 17 | int16_t ascent; |
| 18 | int16_t descent; |
| 19 | int16_t linegap; |
| 20 | uint16_t adv_width_max; |
| 21 | int16_t min_sb1; |
| 22 | int16_t min_sb2; |
| 23 | int16_t max_extent; |
| 24 | int16_t caret_slope_rise; |
| 25 | int16_t caret_slope_run; |
| 26 | int16_t caret_offset; |
| 27 | uint16_t num_metrics; |
| 28 | }; |
| 29 | |
| 30 | struct OpenTypeMetricsTable { |
| 31 | std::vector<std::pair<uint16_t, int16_t> > entries; |
| 32 | std::vector<int16_t> sbs; |
| 33 | }; |
| 34 | |
| 35 | bool ParseMetricsHeader(OpenTypeFile *file, Buffer *table, |
| 36 | OpenTypeMetricsHeader *header); |
| 37 | bool SerialiseMetricsHeader(OTSStream *out, |
| 38 | const OpenTypeMetricsHeader *header); |
| 39 | |
| 40 | bool ParseMetricsTable(Buffer *table, |
| 41 | const uint16_t num_glyphs, |
| 42 | const OpenTypeMetricsHeader *header, |
| 43 | OpenTypeMetricsTable *metrics); |
| 44 | bool SerialiseMetricsTable(OTSStream *out, |
| 45 | const OpenTypeMetricsTable *metrics); |
| 46 | |
| 47 | } // namespace ots |
| 48 | |
| 49 | #endif // OTS_METRICS_H_ |
| 50 | |