/*

    Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <wildfox@kde.org>

                  2004, 2005 Rob Buis <buis@kde.org>

                  2005 Eric Seidel <eric.seidel@kdemail.net>

    This file is part of the KDE project

    This library is free software; you can redistribute it and/or

    modify it under the terms of the GNU Library General Public

    License as published by the Free Software Foundation; either

    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License

    aint with this library; see the file COPYING.LIB.  If not, write to

    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    Boston, MA 02110-1301, USA.

*/

#ifndef SVGFEDisplacementMap_h

#define SVGFEDisplacementMap_h

#if ENABLE(SVG) && ENABLE(SVG_EXPERIMENTAL_FEATURES)

#include "SVGFilterEffect.h"

namespace WebCore {

enum SVGChannelSelectorType {

    SVG_CHANNEL_UNKNOWN = 0,

    SVG_CHANNEL_R       = 1,

    SVG_CHANNEL_G       = 2,

    SVG_CHANNEL_B       = 3,

    SVG_CHANNEL_A       = 4

};

class SVGFEDisplacementMap : public SVGFilterEffect {

public:

    SVGFEDisplacementMap();

    String in2() const;

    void setIn2(const String&);

    SVGChannelSelectorType xChannelSelector() const;

    void setXChannelSelector(const SVGChannelSelectorType);

    SVGChannelSelectorType yChannelSelector() const;

    void setYChannelSelector(const SVGChannelSelectorType);

    float scale() const;

    void setScale(float scale);

    virtual TextStream& externalRepresentation(TextStream&) const;

#if PLATFORM(CI)

    virtual CIFilter* getCIFilter(SVGResourceFilter*) const;

#endif

private:

    String m_in2;

    SVGChannelSelectorType m_xChannelSelector;

    SVGChannelSelectorType m_yChannelSelector;

    float m_scale;

};

} // namespace WebCore

#endif // ENABLE(SVG) && ENABLE(SVG_EXPERIMENTAL_FEATURES)

#endif // SVGFEDisplacementMap_h