animateditem.h Example File
graphicsview/portedasteroids/animateditem.h
#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
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Trademarks |
Qt 4.4.3 |