beziercurve.h Example File

scenegraph/customgeometry/beziercurve.h
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 #ifndef BEZIERCURVE_H
 #define BEZIERCURVE_H

 #include <QtQuick/QQuickItem>

 class BezierCurve : public QQuickItem
 {
     Q_OBJECT

     Q_PROPERTY(QPointF p1 READ p1 WRITE setP1 NOTIFY p1Changed)
     Q_PROPERTY(QPointF p2 READ p2 WRITE setP2 NOTIFY p2Changed)
     Q_PROPERTY(QPointF p3 READ p3 WRITE setP3 NOTIFY p3Changed)
     Q_PROPERTY(QPointF p4 READ p4 WRITE setP4 NOTIFY p4Changed)

     Q_PROPERTY(int segmentCount READ segmentCount WRITE setSegmentCount NOTIFY segmentCountChanged)

 public:
     BezierCurve(QQuickItem *parent = 0);
     ~BezierCurve();

     QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);

     QPointF p1() const { return m_p1; }
     QPointF p2() const { return m_p2; }
     QPointF p3() const { return m_p3; }
     QPointF p4() const { return m_p4; }

     int segmentCount() const { return m_segmentCount; }

     void setP1(const QPointF &p);
     void setP2(const QPointF &p);
     void setP3(const QPointF &p);
     void setP4(const QPointF &p);

     void setSegmentCount(int count);

 signals:
     void p1Changed(const QPointF &p);
     void p2Changed(const QPointF &p);
     void p3Changed(const QPointF &p);
     void p4Changed(const QPointF &p);

     void segmentCountChanged(int count);

 private:
     QPointF m_p1;
     QPointF m_p2;
     QPointF m_p3;
     QPointF m_p4;

     int m_segmentCount;
 };

 #endif