Home · All Classes · Main Classes · Grouped Classes · Modules · Functions

animateditem.h Example File
graphicsview/portedasteroids/animateditem.h

 /****************************************************************************
 **
 ** Copyright (C) 2006-2008 Trolltech ASA. All rights reserved.
 **
 ** This file is part of the example classes of the Qt Toolkit.
 **
 ** Licensees holding a valid Qt License Agreement may use this file in
 ** accordance with the rights, responsibilities and obligations
 ** contained therein.  Please consult your licensing agreement or
 ** contact sales@trolltech.com if any conditions of this licensing
 ** agreement are not clear to you.
 **
 ** Further information about Qt licensing is available at:
 ** http://www.trolltech.com/products/qt/licensing.html or by
 ** contacting info@trolltech.com.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ****************************************************************************/

 #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


Copyright © 2008 Trolltech Trademarks
Qt 4.3.5