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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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;
frame.shape = QPainterPath();
frame.boundingRect = pixmap.rect();
frames << frame;
}
}
void AnimatedPixmapItem::setFrame(int frame)
{
if (!frames.isEmpty()) {
prepareGeometryChange();
currentFrame = frame % frames.size();
}
}
void AnimatedPixmapItem::advance(int phase)
{
if (phase == 1)
moveBy(vx, vy);
}
QRectF AnimatedPixmapItem::boundingRect() const
{
return frames.at(currentFrame).boundingRect;
}
QPainterPath AnimatedPixmapItem::shape() const
{
const Frame &f = frames.at(currentFrame);
if (f.shape.isEmpty()) {
QPainterPath path;
path.addRegion(f.pixmap.createHeuristicMask());
const_cast<Frame &>(f).shape = path;
}
return f.shape;
}
void AnimatedPixmapItem::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*option*/,
QWidget * /*widget*/)
{
painter->drawPixmap(0, 0, frames.at(currentFrame).pixmap);
}
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