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SVGFEDisplacementMap.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 "SVGFEDisplacementMap.h"
00027 
00028 namespace WebCore {
00029 
00030 SVGFEDisplacementMap::SVGFEDisplacementMap(SVGResourceFilter* filter)
00031     : SVGFilterEffect(filter)
00032     , m_xChannelSelector(SVG_CHANNEL_UNKNOWN)
00033     , m_yChannelSelector(SVG_CHANNEL_UNKNOWN)
00034     , m_scale(0)
00035 {
00036 }
00037 
00038 String SVGFEDisplacementMap::in2() const
00039 {
00040     return m_in2;
00041 }
00042 
00043 void SVGFEDisplacementMap::setIn2(const String &in2)
00044 {
00045     m_in2 = in2;
00046 }
00047 
00048 SVGChannelSelectorType SVGFEDisplacementMap::xChannelSelector() const
00049 {
00050     return m_xChannelSelector;
00051 }
00052 
00053 void SVGFEDisplacementMap::setXChannelSelector(const SVGChannelSelectorType xChannelSelector)
00054 {
00055     m_xChannelSelector = xChannelSelector;
00056 }
00057 
00058 SVGChannelSelectorType SVGFEDisplacementMap::yChannelSelector() const
00059 {
00060     return m_yChannelSelector;
00061 }
00062 
00063 void SVGFEDisplacementMap::setYChannelSelector(const SVGChannelSelectorType yChannelSelector)
00064 {
00065     m_yChannelSelector = yChannelSelector;
00066 }
00067 
00068 float SVGFEDisplacementMap::scale() const
00069 {
00070     return m_scale;
00071 }
00072 
00073 void SVGFEDisplacementMap::setScale(float scale)
00074 {
00075     m_scale = scale;
00076 }
00077 
00078 static TextStream& operator<<(TextStream& ts, SVGChannelSelectorType t)
00079 {
00080     switch (t)
00081     {
00082         case SVG_CHANNEL_UNKNOWN:
00083             ts << "UNKNOWN"; break;
00084         case SVG_CHANNEL_R:
00085             ts << "RED"; break;
00086         case SVG_CHANNEL_G:
00087             ts << "GREEN"; break;
00088         case SVG_CHANNEL_B:
00089             ts << "BLUE"; break;
00090         case SVG_CHANNEL_A:
00091             ts << "ALPHA"; break;
00092     }
00093     return ts;
00094 }
00095 
00096 TextStream& SVGFEDisplacementMap::externalRepresentation(TextStream& ts) const
00097 {
00098     ts << "[type=DISPLACEMENT-MAP] ";
00099     SVGFilterEffect::externalRepresentation(ts);
00100     if (!in2().isEmpty())
00101         ts << " [in2=" << in2() << "]";
00102     ts << " [scale=" << m_scale << "]"
00103         << " [x channel selector=" << m_xChannelSelector << "]"
00104         << " [y channel selector=" << m_yChannelSelector << "]";
00105     return ts;
00106 }
00107 
00108 } // namespace WebCore
00109 
00110 #endif // ENABLE(SVG) && ENABLE(SVG_FILTERS)

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