1 /* 2 Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> 3 2004, 2005 Rob Buis <buis@kde.org> 4 2005 Eric Seidel <eric@webkit.org> 5 6 This library is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Library General Public 8 License as published by the Free Software Foundation; either 9 version 2 of the License, or (at your option) any later version. 10 11 This library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Library General Public License for more details. 15 16 You should have received a copy of the GNU Library General Public License 17 aint with this library; see the file COPYING.LIB. If not, write to 18 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 Boston, MA 02110-1301, USA. 20 */ 21 22 #ifndef SVGResourceFilter_h 23 #define SVGResourceFilter_h 24 25 #if ENABLE(SVG) && ENABLE(SVG_FILTERS) 26 #include "SVGResource.h" 27 #include "SVGFilterEffect.h" 28 29 #include "FloatRect.h" 30 31 #include <wtf/OwnPtr.h> 32 33 namespace WebCore { 34 35 class GraphicsContext; 36 class SVGFilterEffect; 37 38 class SVGResourceFilterPlatformData { 39 public: ~SVGResourceFilterPlatformData()40 virtual ~SVGResourceFilterPlatformData() {} 41 }; 42 43 class SVGResourceFilter : public SVGResource { 44 public: 45 SVGResourceFilter(); 46 resourceType()47 virtual SVGResourceType resourceType() const { return FilterResourceType; } 48 filterBoundingBoxMode()49 bool filterBoundingBoxMode() const { return m_filterBBoxMode; } setFilterBoundingBoxMode(bool bboxMode)50 void setFilterBoundingBoxMode(bool bboxMode) { m_filterBBoxMode = bboxMode; } 51 effectBoundingBoxMode()52 bool effectBoundingBoxMode() const { return m_effectBBoxMode; } setEffectBoundingBoxMode(bool bboxMode)53 void setEffectBoundingBoxMode(bool bboxMode) { m_effectBBoxMode = bboxMode; } 54 xBoundingBoxMode()55 bool xBoundingBoxMode() const { return m_xBBoxMode; } setXBoundingBoxMode(bool bboxMode)56 void setXBoundingBoxMode(bool bboxMode) { m_xBBoxMode = bboxMode; } 57 yBoundingBoxMode()58 bool yBoundingBoxMode() const { return m_yBBoxMode; } setYBoundingBoxMode(bool bboxMode)59 void setYBoundingBoxMode(bool bboxMode) { m_yBBoxMode = bboxMode; } 60 filterRect()61 FloatRect filterRect() const { return m_filterRect; } setFilterRect(const FloatRect & rect)62 void setFilterRect(const FloatRect& rect) { m_filterRect = rect; } 63 64 FloatRect filterBBoxForItemBBox(const FloatRect& itemBBox) const; 65 66 void clearEffects(); 67 void addFilterEffect(SVGFilterEffect*); 68 69 virtual TextStream& externalRepresentation(TextStream&) const; 70 71 // To be implemented in platform specific code. 72 void prepareFilter(GraphicsContext*&, const FloatRect& bbox); 73 void applyFilter(GraphicsContext*&, const FloatRect& bbox); 74 platformData()75 SVGResourceFilterPlatformData* platformData() { return m_platformData.get(); } effects()76 const Vector<SVGFilterEffect*>& effects() { return m_effects; } 77 78 private: 79 SVGResourceFilterPlatformData* createPlatformData(); 80 81 OwnPtr<SVGResourceFilterPlatformData> m_platformData; 82 83 bool m_filterBBoxMode : 1; 84 bool m_effectBBoxMode : 1; 85 86 bool m_xBBoxMode : 1; 87 bool m_yBBoxMode : 1; 88 89 FloatRect m_filterRect; 90 Vector<SVGFilterEffect*> m_effects; 91 }; 92 93 SVGResourceFilter* getFilterById(Document*, const AtomicString&); 94 95 } // namespace WebCore 96 97 #endif // ENABLE(SVG) 98 99 #endif // SVGResourceFilter_h 100