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SVGFEDiffuseLighting.h

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00001 /*
00002     Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
00003                   2004, 2005 Rob Buis <buis@kde.org>
00004                   2005 Eric Seidel <eric@webkit.org>
00005 
00006     This library is free software; you can redistribute it and/or
00007     modify it under the terms of the GNU Library General Public
00008     License as published by the Free Software Foundation; either
00009     version 2 of the License, or (at your option) any later version.
00010 
00011     This library is distributed in the hope that it will be useful,
00012     but WITHOUT ANY WARRANTY; without even the implied warranty of
00013     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014     Library General Public License for more details.
00015 
00016     You should have received a copy of the GNU Library General Public License
00017     aint with this library; see the file COPYING.LIB.  If not, write to
00018     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019     Boston, MA 02110-1301, USA.
00020 */
00021 
00022 #ifndef SVGFEDiffuseLighting_h
00023 #define SVGFEDiffuseLighting_h
00024 
00025 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
00026 #include "Color.h"
00027 #include "SVGFilterEffect.h"
00028 
00029 namespace WebCore {
00030 
00031 class SVGLightSource;
00032 
00033 class SVGFEDiffuseLighting : public SVGFilterEffect {
00034 public:
00035     SVGFEDiffuseLighting(SVGResourceFilter*);
00036     virtual ~SVGFEDiffuseLighting();
00037 
00038     Color lightingColor() const;
00039     void setLightingColor(const Color&);
00040 
00041     float surfaceScale() const;
00042     void setSurfaceScale(float);
00043 
00044     float diffuseConstant() const;
00045     void setDiffuseConstant(float);
00046 
00047     float kernelUnitLengthX() const;
00048     void setKernelUnitLengthX(float);
00049 
00050     float kernelUnitLengthY() const;
00051     void setKernelUnitLengthY(float);
00052 
00053     const SVGLightSource* lightSource() const;
00054     void setLightSource(SVGLightSource*);
00055 
00056     virtual TextStream& externalRepresentation(TextStream&) const;
00057 
00058 #if PLATFORM(CI)
00059     virtual CIFilter* getCIFilter(const FloatRect& bbox) const;
00060 #endif
00061 
00062 private:
00063     Color m_lightingColor;
00064     float m_surfaceScale;
00065     float m_diffuseConstant;
00066     float m_kernelUnitLengthX;
00067     float m_kernelUnitLengthY;
00068     SVGLightSource* m_lightSource;
00069 };
00070 
00071 } // namespace WebCore
00072 
00073 #endif // ENABLE(SVG) && ENABLE(SVG_FILTERS)
00074 
00075 #endif // SVGFEDiffuseLighting_h

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