khtml/svg/graphics/filters/SVGFEComposite.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 SVGFEComposite_h
  23 #define SVGFEComposite_h
  24
  25 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
  26 #include "SVGFilterEffect.h"
  27
  28 namespace WebCore {
  29
  30 enum SVGCompositeOperationType {
  31     SVG_FECOMPOSITE_OPERATOR_UNKNOWN    = 0,
  32     SVG_FECOMPOSITE_OPERATOR_OVER       = 1,
  33     SVG_FECOMPOSITE_OPERATOR_IN         = 2,
  34     SVG_FECOMPOSITE_OPERATOR_OUT        = 3,
  35     SVG_FECOMPOSITE_OPERATOR_ATOP       = 4,
  36     SVG_FECOMPOSITE_OPERATOR_XOR        = 5,
  37     SVG_FECOMPOSITE_OPERATOR_ARITHMETIC = 6
  38 };
  39
  40 class SVGFEComposite : public SVGFilterEffect {
  41 public:
  42     SVGFEComposite(SVGResourceFilter*);
  43
  44     String in2() const;
  45     void setIn2(const String&);
  46
  47     SVGCompositeOperationType operation() const;
  48     void setOperation(SVGCompositeOperationType);
  49
  50     float k1() const;
  51     void setK1(float);
  52
  53     float k2() const;
  54     void setK2(float);
  55
  56     float k3() const;
  57     void setK3(float);
  58
  59     float k4() const;
  60     void setK4(float);
  61
  62     virtual TextStream& externalRepresentation(TextStream&) const;
  63
  64 #if PLATFORM(CI)
  65     virtual CIFilter* getCIFilter(const FloatRect& bbox) const;
  66 #endif
  67
  68 private:
  69     SVGCompositeOperationType m_operation;
  70     float m_k1;
  71     float m_k2;
  72     float m_k3;
  73     float m_k4;
  74     String m_in2;
  75 };
  76
  77 } // namespace WebCore
  78
  79 #endif // ENABLE(SVG) && ENABLE(SVG_FILTERS)
  80
  81 #endif // SVGFEComposite_h