/*

    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 SVGFilterEffect_h

#define SVGFilterEffect_h

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

#include "FloatRect.h"

#include "PlatformString.h"

#if PLATFORM(CI)

#ifdef __OBJC__

@class CIFilter;

#else

class CIFilter;

#endif

#endif

namespace WebCore {

enum SVGFilterEffectType {

    FE_DISTANT_LIGHT      = 0,

    FE_POINT_LIGHT        = 1,

    FE_SPOT_LIGHT         = 2,

    FE_BLEND              = 3,

    FE_COLOR_MATRIX       = 4,

    FE_COMPONENT_TRANSFER = 5,

    FE_COMPOSITE          = 6,

    FE_CONVOLVE_MATRIX    = 7,

    FE_DIFFUSE_LIGHTING   = 8,

    FE_DISPLACEMENT_MAP   = 9,

    FE_FLOOD              = 10,

    FE_GAUSSIAN_BLUR      = 11,

    FE_IMAGE              = 12,

    FE_MERGE              = 13,

    FE_MORPHOLOGY         = 14,

    FE_OFFSET             = 15,

    FE_SPECULAR_LIGHTING  = 16,

    FE_TILE               = 17,

    FE_TURBULENCE         = 18

};

class SVGResourceFilter;

class TextStream;

class SVGFilterEffect {

public:

    // this default constructor is only needed for gcc 3.3

    SVGFilterEffect() { }

    virtual ~SVGFilterEffect() { }

    virtual SVGFilterEffectType effectType() const { return FE_TURBULENCE; }

    FloatRect subRegion() const;

    void setSubRegion(const FloatRect&);

    String in() const;

    void setIn(const String&);

    String result() const;

    void setResult(const String&);

    virtual TextStream& externalRepresentation(TextStream&) const;

#if PLATFORM(CI)

    virtual CIFilter* getCIFilter(SVGResourceFilter*) const;

#endif

private:

    FloatRect m_subRegion;

    String m_in;

    String m_result;

};

TextStream& operator<<(TextStream&, const SVGFilterEffect&);

} // namespace WebCore

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

#endif // SVGFilterEffect_h