mainwindow.cpp Example File

graphicsview/chip/mainwindow.cpp
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#include "chip.h" #include "mainwindow.h" #include "view.h" #include <QHBoxLayout> #include <QSplitter> 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 Example")); } void MainWindow::populateScene() { scene = new QGraphicsScene(this); QImage image(":/qt4logo.png"); // Populate scene 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; } } }