Qt:Документация 4.3.2/graphicsview-collidingmice-main-cpp
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[править] main.cpp Example File
graphicsview/collidingmice/main.cpp
/**************************************************************************** ** ** 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. ** ** Trolltech ASA (c) 2007 ** ** 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 "mouse.h" #include <QtGui> #include <math.h> static const int MouseCount = 7; int main(int argc, char **argv) { QApplication app(argc, argv); qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); QGraphicsScene scene; scene.setSceneRect(-300, -300, 600, 600); scene.setItemIndexMethod(QGraphicsScene::NoIndex); for (int i = 0; i < MouseCount; ++i) { Mouse *mouse = new Mouse; mouse->setPos(::sin((i * 6.28) / MouseCount) * 200, ::cos((i * 6.28) / MouseCount) * 200); scene.addItem(mouse); } QGraphicsView view(&scene); view.setRenderHint(QPainter::Antialiasing); view.setBackgroundBrush(QPixmap(":/images/cheese.jpg")); view.setCacheMode(QGraphicsView::CacheBackground); view.setDragMode(QGraphicsView::ScrollHandDrag); view.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Colliding Mice")); view.resize(400, 300); view.show(); return app.exec(); }
Copyright © 2007 Trolltech | Trademarks | Qt 4.3.2
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