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/*
* Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
* Copyright (C) 2005 Eric Seidel <eric@webkit.org>
*
* 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
* along 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 FEComposite_h
#define FEComposite_h
#if ENABLE(FILTERS)
#include "FilterEffect.h"
#include "PlatformString.h"
#include "Filter.h"
namespace WebCore {
enum CompositeOperationType {
FECOMPOSITE_OPERATOR_UNKNOWN = 0,
FECOMPOSITE_OPERATOR_OVER = 1,
FECOMPOSITE_OPERATOR_IN = 2,
FECOMPOSITE_OPERATOR_OUT = 3,
FECOMPOSITE_OPERATOR_ATOP = 4,
FECOMPOSITE_OPERATOR_XOR = 5,
FECOMPOSITE_OPERATOR_ARITHMETIC = 6
};
class FEComposite : public FilterEffect {
public:
static PassRefPtr<FEComposite> create(Filter*, const CompositeOperationType&, float, float, float, float);
CompositeOperationType operation() const;
bool setOperation(CompositeOperationType);
float k1() const;
bool setK1(float);
float k2() const;
bool setK2(float);
float k3() const;
bool setK3(float);
float k4() const;
bool setK4(float);
virtual void apply();
virtual void dump();
virtual void determineAbsolutePaintRect();
virtual TextStream& externalRepresentation(TextStream&, int indention) const;
private:
FEComposite(Filter*, const CompositeOperationType&, float, float, float, float);
CompositeOperationType m_type;
float m_k1;
float m_k2;
float m_k3;
float m_k4;
};
} // namespace WebCore
#endif // ENABLE(FILTERS)
#endif // FEComposite_h
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