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/*
* Copyright 2011 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 SkBlurImageFilter_DEFINED
#define SkBlurImageFilter_DEFINED
#include "SkImageFilter.h"
#include "SkSize.h"
class SK_API SkBlurImageFilter : public SkImageFilter {
public:
static sk_sp<SkImageFilter> Make(SkScalar sigmaX, SkScalar sigmaY,
sk_sp<SkImageFilter> input,
const CropRect* cropRect = nullptr);
SkRect computeFastBounds(const SkRect&) const override;
SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBlurImageFilter)
#ifdef SK_SUPPORT_LEGACY_IMAGEFILTER_PTR
static SkImageFilter* Create(SkScalar sigmaX, SkScalar sigmaY, SkImageFilter* input = nullptr,
const CropRect* cropRect = nullptr) {
return Make(sigmaX, sigmaY, sk_ref_sp<SkImageFilter>(input), cropRect).release();
}
#endif
protected:
void flatten(SkWriteBuffer&) const override;
sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&,
SkIPoint* offset) const override;
SkIRect onFilterNodeBounds(const SkIRect& src, const SkMatrix&, MapDirection) const override;
private:
SkBlurImageFilter(SkScalar sigmaX,
SkScalar sigmaY,
sk_sp<SkImageFilter> input,
const CropRect* cropRect);
SkSize fSigma;
typedef SkImageFilter INHERITED;
};
#endif
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