<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>Qt 4.2: mainwindow.cpp Example File (demos/chip/mainwindow.cpp)</title> <link href="classic.css" rel="stylesheet" type="text/css" /> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td align="left" valign="top" width="32"><a href="http://www.trolltech.com/products/qt"><img src="images/qt-logo.png" align="left" width="32" height="32" border="0" /></a></td> <td width="1"> </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> · <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> · <a href="modules.html"><font color="#004faf">Modules</font></a> · <a href="functions.html"><font color="#004faf">Functions</font></a></td> <td align="right" valign="top" width="230"><a href="http://www.trolltech.com"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></a></td></tr></table><h1 align="center">mainwindow.cpp Example File<br /><sup><sup>demos/chip/mainwindow.cpp</sup></sup></h1> <pre> /**************************************************************************** ** ** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved. ** ** This file is part of the demonstration applications 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:<span class="comment">//www.trolltech.com/products/qt/opensource.html</span> ** ** If you are unsure which license is appropriate for your use, please ** review the following information: ** http:<span class="comment">//www.trolltech.com/products/qt/licensing.html or contact the</span> ** sales department at sales@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 "mainwindow.h" #include "view.h" #include "chip.h" #include <QtGui> MainWindow::MainWindow(QWidget *parent) : QWidget(parent) { populateScene(); h1Splitter = new QSplitter; h2Splitter = new QSplitter; QSplitter *vSplitter = new QSplitter; vSplitter->setOrientation(Qt::Vertical); vSplitter->addWidget(h1Splitter); vSplitter->addWidget(h2Splitter); View *view = new View("Top left view"); view->view()->setScene(scene); h1Splitter->addWidget(view); view = new View("Top right view"); view->view()->setScene(scene); h1Splitter->addWidget(view); view = new View("Bottom left view"); view->view()->setScene(scene); h2Splitter->addWidget(view); view = new View("Bottom right view"); view->view()->setScene(scene); h2Splitter->addWidget(view); QHBoxLayout *layout = new QHBoxLayout; layout->addWidget(vSplitter); setLayout(layout); setWindowTitle(tr("Chip Demo")); } void MainWindow::populateScene() { scene = new QGraphicsScene; QImage image(":/qt4logo.png"); <span class="comment">// Populate scene</span> int xx = 0; int nitems = 0; for (int i = -11000; i < 11000; i += 110) { ++xx; int yy = 0; for (int j = -7000; j < 7000; j += 70) { ++yy; qreal x = (i + 11000) / 22000.0; qreal y = (j + 7000) / 14000.0; QColor color(image.pixel(int(image.width() * x), int(image.height() * y))); QGraphicsItem *item = new Chip(color, xx, yy); item->setPos(QPointF(i, j)); scene->addItem(item); ++nitems; } } }</pre> <p /><address><hr /><div align="center"> <table width="100%" cellspacing="0" border="0"><tr class="address"> <td width="30%">Copyright © 2006 <a href="trolltech.html">Trolltech</a></td> <td width="40%" align="center"><a href="trademarks.html">Trademarks</a></td> <td width="30%" align="right"><div align="right">Qt 4.2.1</div></td> </tr></table></div></address></body> </html>