File indexing completed on 2024-05-12 11:51:56

 /*
     Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
                   2004, 2005 Rob Buis <buis@kde.org>
                   2005 Eric Seidel <eric@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(SVG_FILTERS)
 #include "SVGResource.h"
 #include "SVGFilterEffect.h"
 
 #include "FloatRect.h"
 
 #include <wtf/OwnPtr.h>
 
 namespace WebCore
 {
 
 class GraphicsContext;
 class SVGFilterEffect;
 
 class SVGResourceFilterPlatformData
 {
 public:
     virtual ~SVGResourceFilterPlatformData() {}
 };
 
 class SVGResourceFilter : public SVGResource
 {
 public:
     SVGResourceFilter();
 
     virtual SVGResourceType resourceType() const
     {
         return FilterResourceType;
     }
 
     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;
     }
 
     bool xBoundingBoxMode() const
     {
         return m_xBBoxMode;
     }
     void setXBoundingBoxMode(bool bboxMode)
     {
         m_xBBoxMode = bboxMode;
     }
 
     bool yBoundingBoxMode() const
     {
         return m_yBBoxMode;
     }
     void setYBoundingBoxMode(bool bboxMode)
     {
         m_yBBoxMode = bboxMode;
     }
 
     FloatRect filterRect() const
     {
         return m_filterRect;
     }
     void setFilterRect(const FloatRect &rect)
     {
         m_filterRect = rect;
     }
 
     FloatRect filterBBoxForItemBBox(const FloatRect &itemBBox) const;
 
     void clearEffects();
     void addFilterEffect(SVGFilterEffect *);
 
     virtual TextStream &externalRepresentation(TextStream &) const;
 
     // To be implemented in platform specific code.
     void prepareFilter(GraphicsContext *&, const FloatRect &bbox);
     void applyFilter(GraphicsContext *&, const FloatRect &bbox);
 
     SVGResourceFilterPlatformData *platformData()
     {
         return m_platformData.get();
     }
     const Vector<SVGFilterEffect *> &effects()
     {
         return m_effects;
     }
 
 private:
     SVGResourceFilterPlatformData *createPlatformData();
 
     OwnPtr<SVGResourceFilterPlatformData> m_platformData;
 
     bool m_filterBBoxMode : 1;
     bool m_effectBBoxMode : 1;
 
     bool m_xBBoxMode : 1;
     bool m_yBBoxMode : 1;
 
     FloatRect m_filterRect;
     Vector<SVGFilterEffect *> m_effects;
 };
 
 SVGResourceFilter *getFilterById(Document *, const AtomicString &);
 
 } // namespace WebCore
 
 #endif // ENABLE(SVG)
 
 #endif // SVGResourceFilter_h