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/*
* Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
*
* 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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. OR
* CONTRIBUTORS 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 SVGResourceMasker_h
#define SVGResourceMasker_h
#if ENABLE(SVG)
#include "GraphicsContext.h"
#include "SVGResource.h"
#include <memory>
#include <wtf/OwnPtr.h>
#include <wtf/PassRefPtr.h>
namespace WebCore {
class FloatRect;
class ImageBuffer;
class SVGMaskElement;
class SVGResourceMasker : public SVGResource {
public:
static PassRefPtr<SVGResourceMasker> create(const SVGMaskElement* ownerElement) { return adoptRef(new SVGResourceMasker(ownerElement)); }
virtual ~SVGResourceMasker();
virtual void invalidate();
virtual SVGResourceType resourceType() const { return MaskerResourceType; }
virtual TextStream& externalRepresentation(TextStream&) const;
// To be implemented by the specific rendering devices
void applyMask(GraphicsContext*, const FloatRect& boundingBox);
private:
SVGResourceMasker(const SVGMaskElement*);
const SVGMaskElement* m_ownerElement;
OwnPtr<ImageBuffer> m_mask;
FloatRect m_maskRect;
};
SVGResourceMasker* getMaskerById(Document*, const AtomicString&);
} // namespace WebCore
#endif
#endif // SVGResourceMasker_h
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