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/* This file is part of the KDE project
* Copyright (c) 2009 Jan Hambrecht <jaham@gmx.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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 Lesser 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 COMPOSITEEFFECT_H
#define COMPOSITEEFFECT_H
#include "KoFilterEffect.h"
#define CompositeEffectId "feComposite"
/// A flood fill effect
class CompositeEffect : public KoFilterEffect
{
public:
enum Operation {
CompositeOver,
CompositeIn,
CompositeOut,
CompositeAtop,
CompositeXor,
Arithmetic
};
CompositeEffect();
/// Returns the composite operation
Operation operation() const;
/// Sets the composite operation
void setOperation(Operation op);
/// Returns the arithmetic values
const qreal * arithmeticValues() const;
/// Sets the arithmetic values
void setArithmeticValues(qreal * values);
/// reimplemented from KoFilterEffect
QImage processImage(const QImage &image, const KoFilterEffectRenderContext &context) const override;
/// reimplemented from KoFilterEffect
QImage processImages(const QVector<QImage> &images, const KoFilterEffectRenderContext &context) const override;
/// reimplemented from KoFilterEffect
bool load(const KoXmlElement &element, const KoFilterEffectLoadingContext &context) override;
/// reimplemented from KoFilterEffect
void save(KoXmlWriter &writer) override;
private:
Operation m_operation;
qreal m_k[4];
};
#endif // COMPOSITEEFFECT_H
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