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/*
* 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
#include "ImageBuffer.h"
#include "Pattern.h"
#include "PatternAttributes.h"
#include "RenderSVGResourceContainer.h"
#include "SVGPatternElement.h"
#include "SVGUnitTypes.h"
#include <memory>
#include <wtf/HashMap.h>
namespace WebCore {
struct PatternData {
WTF_MAKE_FAST_ALLOCATED;
public:
RefPtr<Pattern> pattern;
AffineTransform transform;
};
class RenderSVGResourcePattern final : public RenderSVGResourceContainer {
public:
RenderSVGResourcePattern(SVGPatternElement&, PassRef<RenderStyle>);
SVGPatternElement& patternElement() const;
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 void postApplyResource(RenderElement&, GraphicsContext*&, unsigned short resourceMode, const Path*, const RenderSVGShape*) override;
virtual FloatRect resourceBoundingBox(const RenderObject&) override { return FloatRect(); }
virtual RenderSVGResourceType resourceType() const { return s_resourceType; }
static RenderSVGResourceType s_resourceType;
private:
void element() const = delete;
virtual const char* renderName() const override { return "RenderSVGResourcePattern"; }
bool buildTileImageTransform(RenderElement&, const PatternAttributes&, const SVGPatternElement&, FloatRect& patternBoundaries, AffineTransform& tileImageTransform) const;
std::unique_ptr<ImageBuffer> createTileImage(const PatternAttributes&, const FloatRect& tileBoundaries, const FloatRect& absoluteTileBoundaries, const AffineTransform& tileImageTransform, FloatRect& clampedAbsoluteTileBoundaries) const;
PatternData* buildPattern(RenderElement&, unsigned short resourceMode);
bool m_shouldCollectPatternAttributes : 1;
PatternAttributes m_attributes;
HashMap<RenderElement*, std::unique_ptr<PatternData>> m_patternMap;
};
}
#endif
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