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

        /****************************************************************************
        **
        ** Copyright (C) 2006-2006 Trolltech ASA. All rights reserved.
        **
        ** This file is part of the example classes of the Qt Toolkit.
        **
        ** Licensees holding valid Qt Preview licenses may use this file in
        ** accordance with the Qt Preview License Agreement provided with the
        ** Software.
        **
        ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
        ** information about Qt Commercial License Agreements.
        **
        ** Contact info@trolltech.com if any conditions of this licensing are
        ** not clear to you.
        **
        ** 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 QGraphicsPixmapItem
        {
        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()); }
            inline void setVelocity(qreal xvel, qreal yvel)
            { vx = xvel; vy = yvel; }
            inline qreal xVelocity() const
            { return vx; }
            inline qreal yVelocity() const
            { return vy; }

            QPainterPath shape() const;

            void advance(int phase);

        private:
            int currentFrame;
            QList<QPixmap> frames;
            qreal vx, vy;
        };

        #endif