demos/chip/mainwindow.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)
       
     6 **
       
     7 ** This file is part of the demonstration applications 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.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    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
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "mainwindow.h"
       
    43 #include "view.h"
       
    44 #include "chip.h"
       
    45 
       
    46 #include <QtGui>
       
    47 
       
    48 MainWindow::MainWindow(QWidget *parent)
       
    49     : QWidget(parent)
       
    50 {
       
    51     populateScene();
       
    52 
       
    53     h1Splitter = new QSplitter;
       
    54     h2Splitter = new QSplitter;
       
    55     
       
    56     QSplitter *vSplitter = new QSplitter;
       
    57     vSplitter->setOrientation(Qt::Vertical);
       
    58     vSplitter->addWidget(h1Splitter);
       
    59     vSplitter->addWidget(h2Splitter);
       
    60 
       
    61     View *view = new View("Top left view");
       
    62     view->view()->setScene(scene);
       
    63     h1Splitter->addWidget(view);
       
    64 
       
    65     view = new View("Top right view");
       
    66     view->view()->setScene(scene);
       
    67     h1Splitter->addWidget(view);
       
    68 
       
    69     view = new View("Bottom left view");
       
    70     view->view()->setScene(scene);
       
    71     h2Splitter->addWidget(view);
       
    72 
       
    73     view = new View("Bottom right view");
       
    74     view->view()->setScene(scene);
       
    75     h2Splitter->addWidget(view);
       
    76 
       
    77     QHBoxLayout *layout = new QHBoxLayout;
       
    78     layout->addWidget(vSplitter);
       
    79     setLayout(layout);
       
    80 
       
    81     setWindowTitle(tr("Chip Demo"));
       
    82 }
       
    83 
       
    84 void MainWindow::populateScene()
       
    85 {
       
    86     scene = new QGraphicsScene;
       
    87 
       
    88     QImage image(":/qt4logo.png");
       
    89 
       
    90     // Populate scene
       
    91     int xx = 0;
       
    92     int nitems = 0;
       
    93     for (int i = -11000; i < 11000; i += 110) {
       
    94         ++xx;
       
    95         int yy = 0;
       
    96         for (int j = -7000; j < 7000; j += 70) {
       
    97             ++yy;
       
    98             qreal x = (i + 11000) / 22000.0;
       
    99             qreal y = (j + 7000) / 14000.0;
       
   100 
       
   101             QColor color(image.pixel(int(image.width() * x), int(image.height() * y)));
       
   102             QGraphicsItem *item = new Chip(color, xx, yy);
       
   103             item->setPos(QPointF(i, j));
       
   104             scene->addItem(item);
       
   105 
       
   106             ++nitems;
       
   107         }
       
   108     }
       
   109 }