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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 "GraphicsContext.h"
#include "ImageBuffer.h"
#include "IntSize.h"
#include "RenderSVGResourceContainer.h"
#include "SVGMaskElement.h"
#include "SVGUnitTypes.h"
#include <wtf/HashMap.h>
namespace WebCore {
struct MaskerData {
std::unique_ptr<ImageBuffer> maskImage;
};
class RenderSVGResourceMasker final : public RenderSVGResourceContainer {
public:
RenderSVGResourceMasker(SVGMaskElement&, Ref<RenderStyle>&&);
virtual ~RenderSVGResourceMasker();
SVGMaskElement& maskElement() const { return downcast<SVGMaskElement>(RenderSVGResourceContainer::element()); }
virtual void removeAllClientsFromCache(bool markForInvalidation = true) override;
virtual void removeClientFromCache(RenderElement&, bool markForInvalidation = true) override;
virtual bool applyResource(RenderElement&, const RenderStyle&, GraphicsContext*&, unsigned short resourceMode) override;
virtual FloatRect resourceBoundingBox(const RenderObject&) override;
SVGUnitTypes::SVGUnitType maskUnits() const { return maskElement().maskUnits(); }
SVGUnitTypes::SVGUnitType maskContentUnits() const { return maskElement().maskContentUnits(); }
virtual RenderSVGResourceType resourceType() const override { return MaskerResourceType; }
private:
void element() const = delete;
virtual const char* renderName() const override { return "RenderSVGResourceMasker"; }
bool drawContentIntoMaskImage(MaskerData*, ColorSpace, RenderObject*);
void calculateMaskContentRepaintRect();
FloatRect m_maskContentBoundaries;
HashMap<RenderObject*, std::unique_ptr<MaskerData>> m_masker;
};
}
SPECIALIZE_TYPE_TRAITS_RENDER_SVG_RESOURCE(RenderSVGResourceMasker, MaskerResourceType)
#endif
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