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

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** Copyright (C) 2006-2006 Trolltech ASA. All rights reserved.
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** This file is part of the example classes of the Qt Toolkit.
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** accordance with the Qt Preview License Agreement provided with the
** Software.
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#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;
}


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Qt 4.2.0-rc1