khtml/svg/graphics/filters/SVGFEDisplacementMap.cpp

   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 #include "config.h"
  23
  24 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
  25 #include "SVGRenderTreeAsText.h"
  26 #include "SVGFEDisplacementMap.h"
  27
  28 namespace WebCore {
  29
  30 SVGFEDisplacementMap::SVGFEDisplacementMap(SVGResourceFilter* filter)
  31     : SVGFilterEffect(filter)
  32     , m_xChannelSelector(SVG_CHANNEL_UNKNOWN)
  33     , m_yChannelSelector(SVG_CHANNEL_UNKNOWN)
  34     , m_scale(0)
  35 {
  36 }
  37
  38 String SVGFEDisplacementMap::in2() const
  39 {
  40     return m_in2;
  41 }
  42
  43 void SVGFEDisplacementMap::setIn2(const String &in2)
  44 {
  45     m_in2 = in2;
  46 }
  47
  48 SVGChannelSelectorType SVGFEDisplacementMap::xChannelSelector() const
  49 {
  50     return m_xChannelSelector;
  51 }
  52
  53 void SVGFEDisplacementMap::setXChannelSelector(const SVGChannelSelectorType xChannelSelector)
  54 {
  55     m_xChannelSelector = xChannelSelector;
  56 }
  57
  58 SVGChannelSelectorType SVGFEDisplacementMap::yChannelSelector() const
  59 {
  60     return m_yChannelSelector;
  61 }
  62
  63 void SVGFEDisplacementMap::setYChannelSelector(const SVGChannelSelectorType yChannelSelector)
  64 {
  65     m_yChannelSelector = yChannelSelector;
  66 }
  67
  68 float SVGFEDisplacementMap::scale() const
  69 {
  70     return m_scale;
  71 }
  72
  73 void SVGFEDisplacementMap::setScale(float scale)
  74 {
  75     m_scale = scale;
  76 }
  77
  78 static TextStream& operator<<(TextStream& ts, SVGChannelSelectorType t)
  79 {
  80     switch (t)
  81     {
  82         case SVG_CHANNEL_UNKNOWN:
  83             ts << "UNKNOWN"; break;
  84         case SVG_CHANNEL_R:
  85             ts << "RED"; break;
  86         case SVG_CHANNEL_G:
  87             ts << "GREEN"; break;
  88         case SVG_CHANNEL_B:
  89             ts << "BLUE"; break;
  90         case SVG_CHANNEL_A:
  91             ts << "ALPHA"; break;
  92     }
  93     return ts;
  94 }
  95
  96 TextStream& SVGFEDisplacementMap::externalRepresentation(TextStream& ts) const
  97 {
  98     ts << "[type=DISPLACEMENT-MAP] ";
  99     SVGFilterEffect::externalRepresentation(ts);
 100     if (!in2().isEmpty())
 101         ts << " [in2=" << in2() << "]";
 102     ts << " [scale=" << m_scale << "]"
 103         << " [x channel selector=" << m_xChannelSelector << "]"
 104         << " [y channel selector=" << m_yChannelSelector << "]";
 105     return ts;
 106 }
 107
 108 } // namespace WebCore
 109
 110 #endif // ENABLE(SVG) && ENABLE(SVG_FILTERS)