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// Copyright (c) 2009-2017 The OTS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef OTS_VDMX_H_
#define OTS_VDMX_H_
#include <vector>
#include "ots.h"
namespace ots {
struct OpenTypeVDMXRatioRecord {
uint8_t charset;
uint8_t x_ratio;
uint8_t y_start_ratio;
uint8_t y_end_ratio;
};
struct OpenTypeVDMXVTable {
uint16_t y_pel_height;
int16_t y_max;
int16_t y_min;
};
struct OpenTypeVDMXGroup {
uint16_t recs;
uint8_t startsz;
uint8_t endsz;
std::vector<OpenTypeVDMXVTable> entries;
};
class OpenTypeVDMX : public Table {
public:
explicit OpenTypeVDMX(Font *font, uint32_t tag)
: Table(font, tag, tag) { }
bool Parse(const uint8_t *data, size_t length);
bool Serialize(OTSStream *out);
bool ShouldSerialize();
private:
uint16_t version;
uint16_t num_recs;
uint16_t num_ratios;
std::vector<OpenTypeVDMXRatioRecord> rat_ranges;
std::vector<uint16_t> offsets;
std::vector<OpenTypeVDMXGroup> groups;
};
} // namespace ots
#endif // OTS_VDMX_H_