Qt 4.6: stickman.h Example File (animation/stickman/stickman.h)

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# stickman.h Example File
animation/stickman/stickman.h

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     #ifndef STICKMAN_H
     #define STICKMAN_H

     #include <QGraphicsObject>

     static const int NodeCount = 16;
     static const int BoneCount = 24;

     class Node;

     class StickMan: public QGraphicsObject
     {
         Q_OBJECT
         Q_PROPERTY(QColor penColor WRITE setPenColor READ penColor)
         Q_PROPERTY(QColor fillColor WRITE setFillColor READ fillColor)
         Q_PROPERTY(bool isDead WRITE setIsDead READ isDead)
     public:
         StickMan();
         ~StickMan();

         virtual QRectF boundingRect() const;
         virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);

         int nodeCount() const;
         Node *node(int idx) const;

         void setDrawSticks(bool on);
         bool drawSticks() const { return m_sticks; }

         QColor penColor() const { return m_penColor; }
         void setPenColor(const QColor &color) { m_penColor = color; }

         QColor fillColor() const { return m_fillColor; }
         void setFillColor(const QColor &color) { m_fillColor = color; }

         bool isDead() const { return m_isDead; }
         void setIsDead(bool isDead) { m_isDead = isDead; }

     public slots:
         void stabilize();
         void childPositionChanged();

     protected:
         void timerEvent(QTimerEvent *e);

     private:

         QPointF posFor(int idx) const;

         Node *m_nodes[NodeCount];
         qreal m_perfectBoneLengths[BoneCount];

         uint m_sticks : 1;
         uint m_isDead : 1;
         uint m_reserved : 30;

         QPixmap m_pixmap;
         QColor m_penColor;
         QColor m_fillColor;
     };

     #endif // STICKMAN_H