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

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

     /****************************************************************************
     **
     ** Copyright (C) 2006-2007 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License version 2.0 as published by the Free Software Foundation
     ** and appearing in the file LICENSE.GPL included in the packaging of
     ** this file.  Please review the following information to ensure GNU
     ** General Public Licensing requirements will be met:
     ** http://trolltech.com/products/qt/licenses/licensing/opensource/
     **
     ** If you are unsure which license is appropriate for your use, please
     ** review the following information:
     ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
     ** or contact the sales department at sales@trolltech.com.
     **
     ** In addition, as a special exception, Trolltech gives you certain
     ** additional rights. These rights are described in the Trolltech GPL
     ** Exception version 1.0, which can be found at
     ** http://www.trolltech.com/products/qt/gplexception/ and in the file
     ** GPL_EXCEPTION.txt in this package.
     **
     ** In addition, as a special exception, Trolltech, as the sole copyright
     ** holder for Qt Designer, grants users of the Qt/Eclipse Integration
     ** plug-in the right for the Qt/Eclipse Integration to link to
     ** functionality provided by Qt Designer and its related libraries.
     **
     ** Trolltech reserves all rights not expressly granted herein.
     **
     ** 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