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/****************************************************************************
**
** Copyright (C) 2006-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** Licensees holding a valid Qt License Agreement may use this file in
** accordance with the rights, responsibilities and obligations
** contained therein. Please consult your licensing agreement or
** contact sales@trolltech.com if any conditions of this licensing
** agreement are not clear to you.
**
** Further information about Qt licensing is available at:
** http://www.trolltech.com/products/qt/licensing.html or by
** contacting info@trolltech.com.
**
** 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"
#include <QtGui/qbitmap.h>
#include <QtGui/qpainter.h>
AnimatedPixmapItem::AnimatedPixmapItem(const QList<QPixmap> &animation,
QGraphicsScene *scene)
: QGraphicsItem(0, scene), currentFrame(0), vx(0), vy(0)
{
for (int i = 0; i < animation.size(); ++i) {
QPixmap pixmap = animation.at(i);
Frame frame;
frame.pixmap = pixmap;
QPainterPath path;
path.addRegion(pixmap.createHeuristicMask());
frame.shape = path;
frame.boundingRect = path.controlPointRect();
frames << frame;
}
}
void AnimatedPixmapItem::setFrame(int frame)
{
if (!frames.isEmpty()) {
prepareGeometryChange();
currentFrame = frame % frames.size();
}
}
void AnimatedPixmapItem::advance(int phase)
{
if (phase == 1 && !frames.isEmpty()) {
setFrame(currentFrame + 1);
if (vx || vy)
moveBy(vx, vy);
}
}
QRectF AnimatedPixmapItem::boundingRect() const
{
return frames.at(currentFrame).boundingRect;
}
QPainterPath AnimatedPixmapItem::shape() const
{
return frames.at(currentFrame).shape;
}
void AnimatedPixmapItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget)
{
painter->drawPixmap(0, 0, frames.at(currentFrame).pixmap);
}
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