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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkRectShaderImageFilter_DEFINED
#define SkRectShaderImageFilter_DEFINED
#include "SkImageFilter.h"
#include "SkRect.h"
class SkShader;
class SK_API SkRectShaderImageFilter : public SkImageFilter {
public:
/** Create a new image filter which fills the given rectangle with pixels
* produced by the given SkShader. If no rectangle is specified, an output
* is produced with the same bounds as the input primitive (even though
* the input primitive's pixels are not used for processing).
* @param s Shader to call for processing. Cannot be NULL. Will be
* ref'ed by the new image filter.
* @param rect Rectangle of output pixels in which to apply the shader.
* If NULL or a given crop edge is not specified, the source
* primitive's bounds are used instead.
*/
SK_ATTR_DEPRECATED("use Create(SkShader*, const CropRect*)")
static SkRectShaderImageFilter* Create(SkShader* s, const SkRect& rect);
static SkRectShaderImageFilter* Create(SkShader* s, const CropRect* rect = NULL);
virtual ~SkRectShaderImageFilter();
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkRectShaderImageFilter)
protected:
SkRectShaderImageFilter(SkReadBuffer& buffer);
virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
SkBitmap* result, SkIPoint* loc) const SK_OVERRIDE;
private:
SkRectShaderImageFilter(SkShader* s, const CropRect* rect);
SkShader* fShader;
typedef SkImageFilter INHERITED;
};
#endif
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