animateditem.h Example File

graphicsview/portedasteroids/animateditem.h
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 #ifndef ANIMATEDPIXMAPITEM_H
 #define ANIMATEDPIXMAPITEM_H

 #include <QGraphicsItem>

 class AnimatedPixmapItem : public QGraphicsItem
 {
 public:
     AnimatedPixmapItem(const QList<QPixmap> &animation, QGraphicsScene *scene = 0);

     void setFrame(int frame);
     inline int frame() const                        { return currentFrame; }
     inline int frameCount() const                   { return frames.size(); }
     inline QPixmap image(int frame) const           { return frames.isEmpty() ? QPixmap() : frames.at(frame % frames.size()).pixmap; }
     inline void setVelocity(qreal xvel, qreal yvel) { vx = xvel; vy = yvel; }
     inline qreal xVelocity() const                  { return vx; }
     inline qreal yVelocity() const                  { return vy; }

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

     void advance(int phase);

 private:
     struct Frame {
         QPixmap pixmap;
         QPainterPath shape;
         QRectF boundingRect;
     };

     int currentFrame;
     QList<Frame> frames;
     qreal vx, vy;
 };

 #endif