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xorblender.h Example File

scenegraph/twotextureproviders/xorblender.h
/****************************************************************************
**
** Copyright (C) 2014 Gunnar Sletta <gunnar@sletta.org>
** Contact: https://www.qt.io/licensing/
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** This file is part of the examples of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:BSD$
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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
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