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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 "SkImageFilter.h"
class SK_API SkComposeImageFilter : public SkImageFilter {
public:
static SkImageFilter* Create(SkImageFilter* outer, SkImageFilter* inner) {
if (!outer) {
return SkSafeRef(inner);
}
if (!inner) {
return SkRef(outer);
}
SkImageFilter* inputs[2] = { outer, inner };
return new SkComposeImageFilter(inputs);
}
SkRect computeFastBounds(const SkRect& src) const override;
SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposeImageFilter)
protected:
explicit SkComposeImageFilter(SkImageFilter* inputs[2]) : INHERITED(2, inputs) {
SkASSERT(inputs[0]);
SkASSERT(inputs[1]);
}
sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&,
SkIPoint* offset) const override;
SkIRect onFilterBounds(const SkIRect&, const SkMatrix&, MapDirection) const override;
private:
typedef SkImageFilter INHERITED;
};
#endif
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