khtml/svg/graphics/filters/SVGFEDisplacementMap.h

   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 SVGFEDisplacementMap_h
  23 #define SVGFEDisplacementMap_h
  24
  25 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
  26 #include "SVGFilterEffect.h"
  27
  28 namespace WebCore {
  29
  30 enum SVGChannelSelectorType {
  31     SVG_CHANNEL_UNKNOWN = 0,
  32     SVG_CHANNEL_R       = 1,
  33     SVG_CHANNEL_G       = 2,
  34     SVG_CHANNEL_B       = 3,
  35     SVG_CHANNEL_A       = 4
  36 };
  37
  38 class SVGFEDisplacementMap : public SVGFilterEffect {
  39 public:
  40     SVGFEDisplacementMap(SVGResourceFilter*);
  41
  42     String in2() const;
  43     void setIn2(const String&);
  44
  45     SVGChannelSelectorType xChannelSelector() const;
  46     void setXChannelSelector(const SVGChannelSelectorType);
  47
  48     SVGChannelSelectorType yChannelSelector() const;
  49     void setYChannelSelector(const SVGChannelSelectorType);
  50
  51     float scale() const;
  52     void setScale(float scale);
  53
  54     virtual TextStream& externalRepresentation(TextStream&) const;
  55
  56 #if PLATFORM(CI)
  57     virtual CIFilter* getCIFilter(const FloatRect& bbox) const;
  58 #endif
  59
  60 private:
  61     SVGChannelSelectorType m_xChannelSelector;
  62     SVGChannelSelectorType m_yChannelSelector;
  63     float m_scale;
  64     String m_in2;
  65 };
  66
  67 } // namespace WebCore
  68
  69 #endif // ENABLE(SVG) && ENABLE(SVG_FILTERS)
  70
  71 #endif // SVGFEDisplacementMap_h