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* Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
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* Copyright (C) 2008 Eric Seidel <eric@webkit.org>
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* Copyright (C) Research In Motion Limited 2010. All rights reserved.
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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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* 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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* 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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#ifndef RenderSVGResourceGradient_h
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#define RenderSVGResourceGradient_h
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#include "AffineTransform.h"
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#include "FloatRect.h"
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#include "ImageBuffer.h"
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#include "RenderSVGResourceContainer.h"
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#include "SVGGradientElement.h"
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#include <wtf/HashMap.h>
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WTF_MAKE_FAST_ALLOCATED;
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RefPtr<Gradient> gradient;
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AffineTransform userspaceTransform;
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class GraphicsContext;
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class RenderSVGResourceGradient : public RenderSVGResourceContainer {
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RenderSVGResourceGradient(SVGGradientElement*);
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virtual void removeAllClientsFromCache(bool markForInvalidation = true);
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virtual void removeClientFromCache(RenderObject*, bool markForInvalidation = true);
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virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, unsigned short resourceMode);
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virtual void postApplyResource(RenderObject*, GraphicsContext*&, unsigned short resourceMode, const Path*, const RenderSVGShape*);
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virtual FloatRect resourceBoundingBox(RenderObject*) { return FloatRect(); }
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void addStops(GradientData*, const Vector<Gradient::ColorStop>&) const;
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virtual SVGUnitTypes::SVGUnitType gradientUnits() const = 0;
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virtual void calculateGradientTransform(AffineTransform&) = 0;
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virtual bool collectGradientAttributes(SVGGradientElement*) = 0;
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virtual void buildGradient(GradientData*) const = 0;
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GradientSpreadMethod platformSpreadMethodFromSVGType(SVGSpreadMethodType) const;
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bool m_shouldCollectGradientAttributes : 1;
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HashMap<RenderObject*, OwnPtr<GradientData> > m_gradientMap;
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GraphicsContext* m_savedContext;
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OwnPtr<ImageBuffer> m_imageBuffer;