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/*
* Copyright 2006 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkTransparentShader_DEFINED
#define SkTransparentShader_DEFINED
#include "SkShader.h"
class SK_API SkTransparentShader : public SkShader {
public:
SkTransparentShader() {}
virtual uint32_t getFlags() SK_OVERRIDE;
virtual bool setContext(const SkBitmap& device,
const SkPaint& paint,
const SkMatrix& matrix) SK_OVERRIDE;
virtual void shadeSpan(int x, int y, SkPMColor[], int count) SK_OVERRIDE;
virtual void shadeSpan16(int x, int y, uint16_t span[], int count) SK_OVERRIDE;
SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTransparentShader)
private:
// these are a cache from the call to setContext()
const SkBitmap* fDevice;
uint8_t fAlpha;
SkTransparentShader(SkReadBuffer& buffer) : INHERITED(buffer) {}
typedef SkShader INHERITED;
};
#endif
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