/*
* Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef ReferenceFilter_h
#define ReferenceFilter_h
#include "platform/geometry/FloatRect.h"
#include "platform/graphics/filters/Filter.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
namespace WebCore {
class SourceGraphic;
class FilterEffect;
class PLATFORM_EXPORT ReferenceFilter: public Filter {
public:
static PassRefPtr<ReferenceFilter> create()
{
return adoptRef(new ReferenceFilter());
}
virtual IntRect sourceImageRect() const OVERRIDE { return IntRect(); };
void setLastEffect(PassRefPtr<FilterEffect>);
FilterEffect* lastEffect() const { return m_lastEffect.get(); }
SourceGraphic* sourceGraphic() const { return m_sourceGraphic.get(); }
private:
ReferenceFilter();
virtual ~ReferenceFilter();
RefPtr<SourceGraphic> m_sourceGraphic;
RefPtr<FilterEffect> m_lastEffect;
};
}
#endif // ReferenceFilter_h