/*
* Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) Research In Motion Limited 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 RenderSVGResourcePattern_h
#define RenderSVGResourcePattern_h
#if ENABLE(SVG)
#include "AffineTransform.h"
#include "FloatRect.h"
#include "ImageBuffer.h"
#include "Pattern.h"
#include "RenderSVGResourceContainer.h"
#include "SVGPatternElement.h"
#include "SVGUnitTypes.h"
#include <wtf/HashMap.h>
#include <wtf/OwnPtr.h>
namespace WebCore {
struct PatternData {
RefPtr<Pattern> pattern;
FloatRect boundaries;
AffineTransform transform;
};
struct PatternAttributes;
class RenderSVGResourcePattern : public RenderSVGResourceContainer {
public:
RenderSVGResourcePattern(SVGPatternElement*);
virtual ~RenderSVGResourcePattern();
virtual const char* renderName() const { return "RenderSVGResourcePattern"; }
virtual void invalidateClients();
virtual void invalidateClient(RenderObject*);
virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, unsigned short resourceMode);
virtual void postApplyResource(RenderObject*, GraphicsContext*&, unsigned short resourceMode);
virtual FloatRect resourceBoundingBox(RenderObject*) { return FloatRect(); }
virtual RenderSVGResourceType resourceType() const { return s_resourceType; }
static RenderSVGResourceType s_resourceType;
private:
PassOwnPtr<ImageBuffer> createTileImage(PatternData*, const SVGPatternElement*, RenderObject*) const;
void buildPattern(PatternData*, PassOwnPtr<ImageBuffer> tileImage) const;
FloatRect calculatePatternBoundariesIncludingOverflow(PatternAttributes&, const FloatRect& objectBoundingBox,
const AffineTransform& viewBoxCTM, const FloatRect& patternBoundaries) const;
virtual bool childElementReferencesResource(const SVGRenderStyle*, const String&) const;
HashMap<RenderObject*, PatternData*> m_pattern;
};
}
#endif
#endif