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/*
* Copyright 2013 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 SkPictureImageFilter_DEFINED
#define SkPictureImageFilter_DEFINED
#include "SkImageFilter.h"
#include "SkPicture.h"
class SK_API SkPictureImageFilter : public SkImageFilter {
public:
/**
* Refs the passed-in picture.
*/
static SkPictureImageFilter* Create(SkPicture* picture) {
return SkNEW_ARGS(SkPictureImageFilter, (picture));
}
/**
* Refs the passed-in picture. cropRect can be used to crop or expand the destination rect when
* the picture is drawn. (No scaling is implied by the dest rect; only the CTM is applied.)
*/
static SkPictureImageFilter* Create(SkPicture* picture, const SkRect& cropRect) {
return SkNEW_ARGS(SkPictureImageFilter, (picture, cropRect));
}
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPictureImageFilter)
protected:
explicit SkPictureImageFilter(SkPicture* picture);
SkPictureImageFilter(SkPicture* picture, const SkRect& cropRect);
virtual ~SkPictureImageFilter();
/* Constructs an SkPictureImageFilter object from an SkReadBuffer.
* Note: If the SkPictureImageFilter object construction requires bitmap
* decoding, the decoder must be set on the SkReadBuffer parameter by calling
* SkReadBuffer::setBitmapDecoder() before calling this constructor.
* @param SkReadBuffer Serialized picture data.
*/
explicit SkPictureImageFilter(SkReadBuffer&);
virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE;
virtual bool onFilterBounds(const SkIRect& src, const SkMatrix&,
SkIRect* dst) const SK_OVERRIDE;
private:
SkPicture* fPicture;
SkRect fCropRect;
typedef SkImageFilter INHERITED;
};
#endif
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