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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 sk_sp<SkImageFilter> Make(sk_sp<SkImageFilter> outer, sk_sp<SkImageFilter> inner) {
if (!outer) {
return inner;
}
if (!inner) {
return outer;
}
sk_sp<SkImageFilter> inputs[2] = { std::move(outer), std::move(inner) };
return sk_sp<SkImageFilter>(new SkComposeImageFilter(inputs));
}
SkRect computeFastBounds(const SkRect& src) const override;
SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposeImageFilter)
#ifdef SK_SUPPORT_LEGACY_IMAGEFILTER_PTR
static SkImageFilter* Create(SkImageFilter* outer, SkImageFilter* inner) {
return Make(sk_ref_sp<SkImageFilter>(outer),
sk_ref_sp<SkImageFilter>(inner)).release();
}
#endif
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;
SkIRect onFilterBounds(const SkIRect&, const SkMatrix&, MapDirection) const override;
private:
typedef SkImageFilter INHERITED;
};
#endif
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