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

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

    /****************************************************************************
    **
    ** 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.
    **
    ****************************************************************************/

    #include "animateditem.h"

    AnimatedPixmapItem::AnimatedPixmapItem(const QList<QPixmap> &animation,
                                           QGraphicsScene *scene)
        : QGraphicsPixmapItem(0, scene), currentFrame(0), frames(animation), vx(0), vy(0)
    {
    }

    void AnimatedPixmapItem::setFrame(int frame)
    {
        if (!frames.isEmpty()) {
            currentFrame = frame % frames.size();
            setPixmap(frames.at(currentFrame));
        }
    }

    void AnimatedPixmapItem::advance(int phase)
    {
        if (phase == 1 && !frames.isEmpty()) {
            currentFrame = (currentFrame + 1) % frames.size();
            setPixmap(frames.at(currentFrame));
            if (vx || vy)
                moveBy(vx, vy);
        }
    }

    QPainterPath AnimatedPixmapItem::shape() const
    {
        QPainterPath path;
        path.addRect(0, 0,
                     frames.at(currentFrame).width(),
                     frames.at(currentFrame).height());
        return path;
    }