beziercurve.h Example File | Qt Quick 5.12.10

- Qt 5.12
- Qt Quick
- Scene Graph - Custom Geometry
- beziercurve.h Example File
- Qt 5.12.10 Reference Documentation

# 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