michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #ifndef SkUnitMapper_DEFINED
michael@0: #define SkUnitMapper_DEFINED
michael@0: 
michael@0: #include "SkRefCnt.h"
michael@0: #include "SkScalar.h"
michael@0: 
michael@0: #include "SkFlattenable.h"
michael@0: 
michael@0: class SkUnitMapper : public SkFlattenable {
michael@0: public:
michael@0:     SK_DECLARE_INST_COUNT(SkUnitMapper)
michael@0: 
michael@0:     SkUnitMapper() {}
michael@0: 
michael@0:     /** Given a value in [0..0xFFFF], return a value in the same range.
michael@0:     */
michael@0:     virtual uint16_t mapUnit16(uint16_t x) = 0;
michael@0: 
michael@0:     SK_DEFINE_FLATTENABLE_TYPE(SkUnitMapper)
michael@0: 
michael@0: protected:
michael@0:     SkUnitMapper(SkReadBuffer& rb) : SkFlattenable(rb) {}
michael@0: 
michael@0: private:
michael@0:     typedef SkFlattenable INHERITED;
michael@0: };
michael@0: 
michael@0: #endif