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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkSingleInputImageFilter_DEFINED
#define SkSingleInputImageFilter_DEFINED
#include "SkImageFilter.h"
class SkMatrix;
struct SkIPoint;
class GrTexture;
class SK_API SkSingleInputImageFilter : public SkImageFilter {
public:
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSingleInputImageFilter)
protected:
explicit SkSingleInputImageFilter(SkImageFilter* input);
~SkSingleInputImageFilter();
explicit SkSingleInputImageFilter(SkFlattenableReadBuffer& rb);
virtual void flatten(SkFlattenableWriteBuffer& wb) const SK_OVERRIDE;
// Recurses on input (if non-NULL), and returns the processed result,
// otherwise returns src.
SkBitmap getInputResult(Proxy*, const SkBitmap& src, const SkMatrix&,
SkIPoint* offset);
#if SK_SUPPORT_GPU
// Recurses on input (if non-NULL), and returns the processed result as
// a texture, otherwise returns src.
GrTexture* getInputResultAsTexture(Proxy* proxy, GrTexture* src, const SkRect& rect);
#endif
SkImageFilter* input() const { return getInput(0); }
private:
typedef SkImageFilter INHERITED;
};
#endif
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