demos/chip/mainwindow.cpp

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  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 }