/****************************************************************************
**
** Copyright (C) 2014 Gunnar Sletta <[email protected]>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
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** modification, are permitted provided that the following conditions are
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**     notice, this list of conditions and the following disclaimer.
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**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
**     of its contributors may be used to endorse or promote products derived
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****************************************************************************/

#ifndef XORBLENDER_H
#define XORBLENDER_H

#include <QQuickItem>

class XorBlender : public QQuickItem
{
    Q_OBJECT
    Q_PROPERTY(QQuickItem *source1 READ source1 WRITE setSource1 NOTIFY source1Changed)
    Q_PROPERTY(QQuickItem *source2 READ source2 WRITE setSource2 NOTIFY source2Changed)

public:
    explicit XorBlender(QQuickItem *parent = 0);

    QQuickItem *source1() const { return m_source1; }
    QQuickItem *source2() const { return m_source2; }

    void setSource1(QQuickItem *i);
    void setSource2(QQuickItem *i);

protected:
    QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);

signals:
    void source1Changed(QQuickItem *item);
    void source2Changed(QQuickItem *item);

private:
    QQuickItem *m_source1;
    QQuickItem *m_source2;

    bool m_source1Changed;
    bool m_source2Changed;
};

#endif // XORBLENDER_H