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SVGFEConvolveMatrix.cpp

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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 #include "config.h"
00023 
00024 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
00025 #include "SVGRenderTreeAsText.h"
00026 #include "SVGFEConvolveMatrix.h"
00027 
00028 namespace WebCore {
00029 
00030 SVGFEConvolveMatrix::SVGFEConvolveMatrix(SVGResourceFilter* filter)
00031     : SVGFilterEffect(filter)
00032     , m_kernelSize()
00033     , m_divisor(0.0f)
00034     , m_bias(0.0f)
00035     , m_targetOffset()
00036     , m_edgeMode(SVG_EDGEMODE_UNKNOWN)
00037     , m_kernelUnitLength()
00038     , m_preserveAlpha(false)
00039 {
00040 }
00041 
00042 FloatSize SVGFEConvolveMatrix::kernelSize() const
00043 {
00044     return m_kernelSize;
00045 }
00046 
00047 void SVGFEConvolveMatrix::setKernelSize(FloatSize kernelSize)
00048 {
00049     m_kernelSize = kernelSize; 
00050 }
00051 
00052 const Vector<float>& SVGFEConvolveMatrix::kernel() const
00053 {
00054     return m_kernelMatrix; 
00055 }
00056 
00057 void SVGFEConvolveMatrix::setKernel(const Vector<float>& kernel)
00058 {
00059     m_kernelMatrix = kernel; 
00060 }
00061 
00062 float SVGFEConvolveMatrix::divisor() const
00063 {
00064     return m_divisor; 
00065 }
00066 
00067 void SVGFEConvolveMatrix::setDivisor(float divisor)
00068 {
00069     m_divisor = divisor; 
00070 }
00071 
00072 float SVGFEConvolveMatrix::bias() const
00073 {
00074     return m_bias; 
00075 }
00076 
00077 void SVGFEConvolveMatrix::setBias(float bias)
00078 {
00079     m_bias = bias; 
00080 }
00081 
00082 FloatSize SVGFEConvolveMatrix::targetOffset() const
00083 {
00084     return m_targetOffset; 
00085 }
00086 
00087 void SVGFEConvolveMatrix::setTargetOffset(FloatSize targetOffset)
00088 {
00089     m_targetOffset = targetOffset; 
00090 }
00091 
00092 SVGEdgeModeType SVGFEConvolveMatrix::edgeMode() const
00093 {
00094     return m_edgeMode; 
00095 }
00096 
00097 void SVGFEConvolveMatrix::setEdgeMode(SVGEdgeModeType edgeMode)
00098 {
00099     m_edgeMode = edgeMode; 
00100 }
00101 
00102 FloatPoint SVGFEConvolveMatrix::kernelUnitLength() const
00103 {
00104     return m_kernelUnitLength; 
00105 }
00106 
00107 void SVGFEConvolveMatrix::setKernelUnitLength(FloatPoint kernelUnitLength)
00108 {
00109     m_kernelUnitLength = kernelUnitLength; 
00110 }
00111 
00112 bool SVGFEConvolveMatrix::preserveAlpha() const
00113 {
00114     return m_preserveAlpha; 
00115 }
00116 
00117 void SVGFEConvolveMatrix::setPreserveAlpha(bool preserveAlpha)
00118 {
00119     m_preserveAlpha = preserveAlpha; 
00120 }
00121 
00122 static TextStream& operator<<(TextStream& ts, SVGEdgeModeType t)
00123 {
00124     switch (t)
00125     {
00126         case SVG_EDGEMODE_UNKNOWN:
00127             ts << "UNKNOWN";break;
00128         case SVG_EDGEMODE_DUPLICATE:
00129             ts << "DUPLICATE";break;
00130         case SVG_EDGEMODE_WRAP:
00131             ts << "WRAP"; break;
00132         case SVG_EDGEMODE_NONE:
00133             ts << "NONE"; break;
00134     }
00135     return ts;
00136 }
00137 
00138 TextStream& SVGFEConvolveMatrix::externalRepresentation(TextStream& ts) const
00139 {
00140     ts << "[type=CONVOLVE-MATRIX] ";
00141     SVGFilterEffect::externalRepresentation(ts);
00142     ts << " [order " << m_kernelSize << "]"
00143         << " [kernel matrix=" << m_kernelMatrix  << "]"
00144         << " [divisor=" << m_divisor << "]"
00145         << " [bias=" << m_bias << "]"
00146         << " [target " << m_targetOffset << "]"
00147         << " [edge mode=" << m_edgeMode << "]"
00148         << " [kernel unit length " << m_kernelUnitLength << "]"
00149         << " [preserve alpha=" << m_preserveAlpha << "]";
00150     return ts;
00151 }
00152 
00153 }; // namespace WebCore
00154 
00155 #endif // ENABLE(SVG) && ENABLE(SVG_FILTERS)

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