![]() |
Home · All Classes · Main Classes · Grouped Classes · Modules · Functions | ![]() |
/****************************************************************************
**
** Copyright (C) 2006-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** In addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
** Exception version 1.0, which can be found at
** http://www.trolltech.com/products/qt/gplexception/ and in the file
** GPL_EXCEPTION.txt in this package.
**
** In addition, as a special exception, Trolltech, as the sole copyright
** holder for Qt Designer, grants users of the Qt/Eclipse Integration
** plug-in the right for the Qt/Eclipse Integration to link to
** functionality provided by Qt Designer and its related libraries.
**
** Trolltech reserves all rights not expressly granted herein.
**
** 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);
}
Copyright © 2007 Trolltech | Trademarks | Qt 4.4.0-tp1 |