beziercurve.h Example File

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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