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Diffstat (limited to 'gfx/ots/src/fvar.h')
-rw-r--r-- | gfx/ots/src/fvar.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gfx/ots/src/fvar.h b/gfx/ots/src/fvar.h new file mode 100644 index 000000000..a469c8cdd --- /dev/null +++ b/gfx/ots/src/fvar.h @@ -0,0 +1,63 @@ +// 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_ |