khtml/svg/graphics/filters/SVGFEBlend.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 SVGFEBlend_h
  23 #define SVGFEBlend_h
  24
  25 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
  26 #include "SVGFilterEffect.h"
  27
  28 namespace WebCore {
  29
  30 enum SVGBlendModeType {
  31     SVG_FEBLEND_MODE_UNKNOWN  = 0,
  32     SVG_FEBLEND_MODE_NORMAL   = 1,
  33     SVG_FEBLEND_MODE_MULTIPLY = 2,
  34     SVG_FEBLEND_MODE_SCREEN   = 3,
  35     SVG_FEBLEND_MODE_DARKEN   = 4,
  36     SVG_FEBLEND_MODE_LIGHTEN  = 5
  37 };
  38
  39 class SVGFEBlend : public SVGFilterEffect {
  40 public:
  41     SVGFEBlend(SVGResourceFilter*);
  42
  43     String in2() const;
  44     void setIn2(const String&);
  45
  46     SVGBlendModeType blendMode() const;
  47     void setBlendMode(SVGBlendModeType);
  48
  49     virtual TextStream& externalRepresentation(TextStream&) const;
  50
  51 #if PLATFORM(CI)
  52     virtual CIFilter* getCIFilter(const FloatRect& bbox) const;
  53 #endif
  54
  55 private:
  56     SVGBlendModeType m_mode;
  57     String m_in2;
  58 };
  59
  60 } // namespace WebCore
  61
  62 #endif // ENABLE(SVG) && ENABLE(SVG_FILTERS)
  63
  64 #endif // SVGFEBlend_h