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diff --git a/WebCore/svg/graphics/SVGResourceFilter.h b/WebCore/svg/graphics/SVGResourceFilter.h
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+++ b/WebCore/svg/graphics/SVGResourceFilter.h
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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>
+
+    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