57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
// Copyright (c) 2011-2017 The OTS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef OTS_METRICS_H_
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#define OTS_METRICS_H_
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#include <new>
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#include <utility>
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#include <vector>
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#include "ots.h"
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namespace ots {
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class OpenTypeMetricsHeader : public Table {
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public:
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explicit OpenTypeMetricsHeader(Font *font, uint32_t tag, uint32_t type)
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: Table(font, tag, type) { }
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bool Parse(const uint8_t *data, size_t length);
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bool Serialize(OTSStream *out);
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uint32_t version;
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int16_t ascent;
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int16_t descent;
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int16_t linegap;
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uint16_t adv_width_max;
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int16_t min_sb1;
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int16_t min_sb2;
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int16_t max_extent;
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int16_t caret_slope_rise;
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int16_t caret_slope_run;
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int16_t caret_offset;
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uint16_t num_metrics;
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};
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struct OpenTypeMetricsTable : public Table {
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public:
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explicit OpenTypeMetricsTable(Font *font, uint32_t tag, uint32_t type,
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uint32_t header_tag)
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: Table(font, tag, type), m_header_tag(header_tag) { }
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bool Parse(const uint8_t *data, size_t length);
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bool Serialize(OTSStream *out);
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private:
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uint32_t m_header_tag;
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std::vector<std::pair<uint16_t, int16_t> > entries;
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std::vector<int16_t> sbs;
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};
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} // namespace ots
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#endif // OTS_METRICS_H_
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