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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