55 lines
1.1 KiB
C++
55 lines
1.1 KiB
C++
// 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_
|