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.
**
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** accordance with the Qt Preview License Agreement provided with the
** Software.
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** information about Qt Commercial License Agreements.
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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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;
}