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