doc/src/snippets/timeline/main.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
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     7 ** This file is part of the documentation of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
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    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
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    24 ** In addition, as a special exception, Nokia gives you certain additional
       
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    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
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    33 **
       
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    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include <QtGui>
       
    43 #include <math.h>
       
    44 
       
    45 int main(int argv, char *args[])
       
    46 {
       
    47     QApplication app(argv, args);
       
    48 
       
    49 //! [0]
       
    50     QGraphicsItem *ball = new QGraphicsEllipseItem(0, 0, 20, 20);
       
    51     
       
    52     QTimeLine *timer = new QTimeLine(5000);
       
    53     timer->setFrameRange(0, 100);
       
    54     
       
    55     QGraphicsItemAnimation *animation = new QGraphicsItemAnimation;
       
    56     animation->setItem(ball);
       
    57     animation->setTimeLine(timer);
       
    58 
       
    59     for (int i = 0; i < 200; ++i) 
       
    60 	animation->setPosAt(i / 200.0, QPointF(i, i));
       
    61     
       
    62     QGraphicsScene *scene = new QGraphicsScene();
       
    63     scene->setSceneRect(0, 0, 250, 250);
       
    64     scene->addItem(ball);
       
    65 
       
    66     QGraphicsView *view = new QGraphicsView(scene);
       
    67     view->show();
       
    68 
       
    69     timer->start();
       
    70 //! [0]
       
    71 
       
    72     return app.exec();
       
    73 }