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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_KERN_H_
#define OTS_KERN_H_
#include <vector>
#include "ots.h"
namespace ots {
struct OpenTypeKERNFormat0Pair {
uint16_t left;
uint16_t right;
int16_t value;
};
struct OpenTypeKERNFormat0 {
uint16_t version;
uint16_t coverage;
uint16_t search_range;
uint16_t entry_selector;
uint16_t range_shift;
std::vector<OpenTypeKERNFormat0Pair> pairs;
};
// Format 2 is not supported. Since the format is not supported by Windows,
// WebFonts unlikely use it. I've checked thousands of proprietary fonts and
// free fonts, and found no font uses the format.
class OpenTypeKERN : public Table {
public:
explicit OpenTypeKERN(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;
std::vector<OpenTypeKERNFormat0> subtables;
};
} // namespace ots
#endif // OTS_KERN_H_