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animateditem.cpp Example File
graphicsview/portedasteroids/animateditem.cpp

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 #include "animateditem.h"

 AnimatedPixmapItem::AnimatedPixmapItem(const QList<QPixmap> &animation,
                                        QGraphicsScene *scene)
     : QGraphicsPixmapItem(0, scene), currentFrame(0), frames(animation), vx(0), vy(0)
 {
 }

 void AnimatedPixmapItem::setFrame(int frame)
 {
     if (!frames.isEmpty()) {
         currentFrame = frame % frames.size();
         setPixmap(frames.at(currentFrame));
     }
 }

 void AnimatedPixmapItem::advance(int phase)
 {
     if (phase == 1 && !frames.isEmpty()) {
         currentFrame = (currentFrame + 1) % frames.size();
         setPixmap(frames.at(currentFrame));
         if (vx || vy)
             moveBy(vx, vy);
     }
 }

 QPainterPath AnimatedPixmapItem::shape() const
 {
     QPainterPath path;
     path.addRect(0, 0,
                  frames.at(currentFrame).width(),
                  frames.at(currentFrame).height());
     return path;
 }


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Qt 4.3.1