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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 "SkImage.h"
#include "SkImageFilter.h"
class SK_API SkImageSource : public SkImageFilter {
public:
static sk_sp<SkImageFilter> Make(sk_sp<SkImage> image) {
if (!image) {
return nullptr;
}
return sk_sp<SkImageFilter>(new SkImageSource(std::move(image)));
}
static sk_sp<SkImageFilter> Make(sk_sp<SkImage> image,
const SkRect& srcRect,
const SkRect& dstRect,
SkFilterQuality filterQuality) {
if (!image) {
return nullptr;
}
return sk_sp<SkImageFilter>(new SkImageSource(std::move(image),
srcRect, dstRect,
filterQuality));
}
SkRect computeFastBounds(const SkRect& src) const override;
SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkImageSource)
#ifdef SK_SUPPORT_LEGACY_IMAGEFILTER_PTR
static SkImageFilter* Create(SkImage* image) {
return Make(sk_ref_sp<SkImage>(image)).release();
}
static SkImageFilter* Create(SkImage* image,
const SkRect& srcRect,
const SkRect& dstRect,
SkFilterQuality filterQuality) {
return Make(sk_ref_sp<SkImage>(image), srcRect, dstRect, filterQuality).release();
}
#endif
protected:
void flatten(SkWriteBuffer&) const override;
sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&,
SkIPoint* offset) const override;
private:
explicit SkImageSource(sk_sp<SkImage>);
SkImageSource(sk_sp<SkImage>,
const SkRect& srcRect,
const SkRect& dstRect,
SkFilterQuality);
sk_sp<SkImage> fImage;
SkRect fSrcRect, fDstRect;
SkFilterQuality fFilterQuality;
typedef SkImageFilter INHERITED;
};
#endif
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