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/*
Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
2004, 2005 Rob Buis <buis@kde.org>
2005 Eric Seidel <eric@webkit.org>
2009 Dirk Schulze <krit@webkit.org>
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
aint 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 SVGResourceFilter_h
#define SVGResourceFilter_h
#if ENABLE(SVG) && ENABLE(FILTERS)
#include "SVGResource.h"
#include "Image.h"
#include "ImageBuffer.h"
#include "FloatRect.h"
#include "RenderObject.h"
#include "SVGFilterPrimitiveStandardAttributes.h"
#include <wtf/OwnPtr.h>
#include <wtf/PassOwnPtr.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class Filter;
class FilterEffect;
class GraphicsContext;
class SVGFilterBuilder;
class SVGFilterElement;
class SVGFilterPrimitiveStandardAttributes;
class SVGResourceFilter : public SVGResource {
public:
static PassRefPtr<SVGResourceFilter> create(const SVGFilterElement* ownerElement) { return adoptRef(new SVGResourceFilter(ownerElement)); }
virtual ~SVGResourceFilter();
virtual SVGResourceType resourceType() const { return FilterResourceType; }
void setFilterResolution(const FloatSize& filterResSize) { m_filterResSize = filterResSize; }
void setHasFilterResolution(bool filterRes) { m_filterRes = filterRes; }
bool filterBoundingBoxMode() const { return m_filterBBoxMode; }
void setFilterBoundingBoxMode(bool bboxMode) { m_filterBBoxMode = bboxMode; }
bool effectBoundingBoxMode() const { return m_effectBBoxMode; }
void setEffectBoundingBoxMode(bool bboxMode) { m_effectBBoxMode = bboxMode; }
FloatRect filterRect() const { return m_filterRect; }
void setFilterRect(const FloatRect& rect) { m_filterRect = rect; }
float scaleX() const { return m_scaleX; }
float scaleY() const { return m_scaleY; }
FloatRect filterBoundingBox() { return m_filterBBox; }
void setFilterBoundingBox(const FloatRect& rect) { m_filterBBox = rect; }
void prepareFilter(GraphicsContext*&, const RenderObject*);
void applyFilter(GraphicsContext*&, const RenderObject*);
bool fitsInMaximumImageSize(const FloatSize&);
void addFilterEffect(SVGFilterPrimitiveStandardAttributes*, PassRefPtr<FilterEffect>);
SVGFilterBuilder* builder() { return m_filterBuilder.get(); }
virtual TextStream& externalRepresentation(TextStream&) const;
private:
SVGResourceFilter(const SVGFilterElement*);
const SVGFilterElement* m_ownerElement;
bool m_filterBBoxMode : 1;
bool m_effectBBoxMode : 1;
bool m_filterRes : 1;
float m_scaleX;
float m_scaleY;
FloatRect m_filterRect;
FloatRect m_filterBBox;
FloatSize m_filterResSize;
OwnPtr<SVGFilterBuilder> m_filterBuilder;
GraphicsContext* m_savedContext;
OwnPtr<ImageBuffer> m_sourceGraphicBuffer;
RefPtr<Filter> m_filter;
};
SVGResourceFilter* getFilterById(Document*, const AtomicString&);
} // namespace WebCore
#endif // ENABLE(SVG)
#endif // SVGResourceFilter_h
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