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/*
* Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef RenderSVGResourceMasker_h
#define RenderSVGResourceMasker_h
#include "core/platform/graphics/GraphicsContext.h"
#include "core/platform/graphics/ImageBuffer.h"
#include "core/rendering/svg/RenderSVGResourceContainer.h"
#include "core/svg/SVGMaskElement.h"
#include "core/svg/SVGUnitTypes.h"
#include "platform/geometry/FloatRect.h"
#include "platform/geometry/IntSize.h"
#include "wtf/HashMap.h"
#include "wtf/OwnPtr.h"
namespace WebCore {
class RenderSVGResourceMasker FINAL : public RenderSVGResourceContainer {
public:
explicit RenderSVGResourceMasker(SVGMaskElement*);
virtual ~RenderSVGResourceMasker();
virtual const char* renderName() const { return "RenderSVGResourceMasker"; }
virtual void removeAllClientsFromCache(bool markForInvalidation = true);
virtual void removeClientFromCache(RenderObject*, bool markForInvalidation = true);
virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, unsigned short resourceMode) OVERRIDE;
virtual void postApplyResource(RenderObject*, GraphicsContext*&, unsigned short, const Path*, const RenderSVGShape*) OVERRIDE;
FloatRect resourceBoundingBox(RenderObject*);
SVGUnitTypes::SVGUnitType maskUnits() const { return toSVGMaskElement(element())->maskUnitsCurrentValue(); }
SVGUnitTypes::SVGUnitType maskContentUnits() const { return toSVGMaskElement(element())->maskContentUnitsCurrentValue(); }
virtual RenderSVGResourceType resourceType() const { return s_resourceType; }
static const RenderSVGResourceType s_resourceType;
private:
void calculateMaskContentRepaintRect();
void drawMaskContent(GraphicsContext*, const FloatRect& targetBoundingBox);
FloatRect m_maskContentBoundaries;
};
inline RenderSVGResourceMasker* toRenderSVGResourceMasker(RenderSVGResource* resource)
{
ASSERT_WITH_SECURITY_IMPLICATION(!resource || resource->resourceType() == MaskerResourceType);
return static_cast<RenderSVGResourceMasker*>(resource);
}
}
#endif