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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 SkComposeImageFilter_DEFINED
#define SkComposeImageFilter_DEFINED
#include "SkFlattenable.h"
#include "SkImageFilter.h"
class SK_API SkComposeImageFilter : public SkImageFilter {
public:
static sk_sp<SkImageFilter> Make(sk_sp<SkImageFilter> outer, sk_sp<SkImageFilter> inner);
SkRect computeFastBounds(const SkRect& src) const override;
Factory getFactory() const override { return CreateProc; }
protected:
explicit SkComposeImageFilter(sk_sp<SkImageFilter> inputs[2]) : INHERITED(inputs, 2, nullptr) {
SkASSERT(inputs[0].get());
SkASSERT(inputs[1].get());
}
sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&,
SkIPoint* offset) const override;
sk_sp<SkImageFilter> onMakeColorSpace(SkColorSpaceXformer*) const override;
SkIRect onFilterBounds(const SkIRect&, const SkMatrix& ctm,
MapDirection, const SkIRect* inputRect) const override;
bool onCanHandleComplexCTM() const override { return true; }
private:
static sk_sp<SkFlattenable> CreateProc(SkReadBuffer&);
friend class SkFlattenable::PrivateInitializer;
typedef SkImageFilter INHERITED;
};
#endif
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