C++ 设置QGraphicsPixmapItem动画的最简单方法？
我想用C++ 设置QGraphicsPixmapItem动画的最简单方法？,c++,qt,qgraphicsitem,qpropertyanimation,C++,Qt,Qgraphicsitem,Qpropertyanimation,我想用QPropertyAnimation在我的qgraphicscene中设置一个QGraphicsPixmapItem动画 QPixmap pixmap(filePath); QGraphicsItem *pixmapItem = graphicsScene->addPixmap(pixmap); QPropertyAnimation animation(pixmapItem, "x"); // here lies the problem animation.setDuration(
QPropertyAnimationqgraphicsceneQGraphicsPixmapItemQPixmap pixmap(filePath);
QGraphicsItem *pixmapItem = graphicsScene->addPixmap(pixmap);
QPropertyAnimation animation(pixmapItem, "x"); // here lies the problem
animation.setDuration(30000);
// ...
animation.start();
QGraphicsPixmapItemQGraphicsItemQObjectQGraphicsItemQPropertyAnimationAnimatedGraphicsItemQObjectQGraphicsItemQGraphicsObjectclass AnimatedGraphicsItem : public QObject, public QGraphicsItem // or public QGraphicsObject
{
Q_OBJECT
Q_INTERFACES(QGraphicsItem) // not needed if I inherit from QGraphicsObject, right?
};
AnimatedGraphicsItempublic:
AnimatedGraphicsItem(QGraphicsItem *parent = 0);
private:
virtual QRectF boundingRect() const;
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
AnimatedGraphicsItemQGraphicsItem*pixmapItemAnimatedGraphicsItemAnimatedGraphicsItemAnimatedGraphicsItemsetPixmapsetFlagaddItemnewAnimatedGraphicsItemsetPixmapsetFlagaddItemnew