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// Copyright (c) 2018 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_FVAR_H_
#define OTS_FVAR_H_
#include <vector>
#include "ots.h"
namespace ots {
// -----------------------------------------------------------------------------
// OpenTypeFVAR Interface
// -----------------------------------------------------------------------------
class OpenTypeFVAR : public Table {
public:
explicit OpenTypeFVAR(Font* font, uint32_t tag)
: Table(font, tag, tag) { }
bool Parse(const uint8_t* data, size_t length);
bool Serialize(OTSStream* out);
uint16_t AxisCount() const { return axisCount; }
private:
uint16_t majorVersion;
uint16_t minorVersion;
uint16_t axesArrayOffset;
uint16_t reserved;
uint16_t axisCount;
uint16_t axisSize;
uint16_t instanceCount;
uint16_t instanceSize;
typedef int32_t Fixed; /* 16.16 fixed-point value */
struct VariationAxisRecord {
uint32_t axisTag;
Fixed minValue;
Fixed defaultValue;
Fixed maxValue;
uint16_t flags;
uint16_t axisNameID;
};
std::vector<VariationAxisRecord> axes;
struct InstanceRecord {
uint16_t subfamilyNameID;
uint16_t flags;
std::vector<Fixed> coordinates;
uint16_t postScriptNameID; // optional
};
std::vector<InstanceRecord> instances;
bool instancesHavePostScriptNameID;
};
} // namespace ots
#endif // OTS_FVAR_H_
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