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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkImageSource_DEFINED
#define SkImageSource_DEFINED
#include "SkFlattenable.h"
#include "SkImage.h"
#include "SkImageFilter.h"
class SK_API SkImageSource : public SkImageFilter {
public:
static sk_sp<SkImageFilter> Make(sk_sp<SkImage> image);
static sk_sp<SkImageFilter> Make(sk_sp<SkImage> image,
const SkRect& srcRect,
const SkRect& dstRect,
SkFilterQuality filterQuality);
SkRect computeFastBounds(const SkRect& src) const override;
Factory getFactory() const override { return CreateProc; }
protected:
void flatten(SkWriteBuffer&) const override;
sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&,
SkIPoint* offset) const override;
sk_sp<SkImageFilter> onMakeColorSpace(SkColorSpaceXformer*) const override;
SkIRect onFilterNodeBounds(const SkIRect&, const SkMatrix& ctm,
MapDirection, const SkIRect* inputRect) const override;
private:
explicit SkImageSource(sk_sp<SkImage>);
SkImageSource(sk_sp<SkImage>,
const SkRect& srcRect,
const SkRect& dstRect,
SkFilterQuality);
static sk_sp<SkFlattenable> CreateProc(SkReadBuffer&);
friend class SkFlattenable::PrivateInitializer;
sk_sp<SkImage> fImage;
SkRect fSrcRect, fDstRect;
SkFilterQuality fFilterQuality;
typedef SkImageFilter INHERITED;
};
#endif