71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
/*
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* Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include "ImageBuffer.h"
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#include "RenderSVGResourceContainer.h"
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#include "SVGMaskElement.h"
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#include "SVGUnitTypes.h"
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#include <wtf/HashMap.h>
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namespace WebCore {
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class GraphicsContext;
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struct MaskerData {
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WTF_MAKE_STRUCT_FAST_ALLOCATED;
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RefPtr<ImageBuffer> maskImage;
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};
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class RenderSVGResourceMasker final : public RenderSVGResourceContainer {
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WTF_MAKE_ISO_ALLOCATED(RenderSVGResourceMasker);
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public:
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RenderSVGResourceMasker(SVGMaskElement&, RenderStyle&&);
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virtual ~RenderSVGResourceMasker();
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SVGMaskElement& maskElement() const { return downcast<SVGMaskElement>(RenderSVGResourceContainer::element()); }
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void removeAllClientsFromCache(bool markForInvalidation = true) override;
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void removeClientFromCache(RenderElement&, bool markForInvalidation = true) override;
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bool applyResource(RenderElement&, const RenderStyle&, GraphicsContext*&, OptionSet<RenderSVGResourceMode>) override;
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FloatRect resourceBoundingBox(const RenderObject&) override;
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SVGUnitTypes::SVGUnitType maskUnits() const { return maskElement().maskUnits(); }
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SVGUnitTypes::SVGUnitType maskContentUnits() const { return maskElement().maskContentUnits(); }
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RenderSVGResourceType resourceType() const override { return MaskerResourceType; }
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private:
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void element() const = delete;
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const char* renderName() const override { return "RenderSVGResourceMasker"; }
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bool drawContentIntoMaskImage(MaskerData*, const DestinationColorSpace&, RenderObject*);
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void calculateMaskContentRepaintRect();
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FloatRect m_maskContentBoundaries;
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HashMap<RenderObject*, std::unique_ptr<MaskerData>> m_masker;
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};
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}
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SPECIALIZE_TYPE_TRAITS_RENDER_SVG_RESOURCE(RenderSVGResourceMasker, MaskerResourceType)
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