//! [2] FlippablePad::FlippablePad(const QSize &size, QGraphicsItem *parent) : RoundRectItem(boundsFromSize(size), QColor(226, 255, 92, 64), parent) { //! [2] //! [3] int numIcons = size.width() * size.height(); QList<QPixmap> pixmaps; QDirIterator it(":/images", QStringList() << "*.png"); while (it.hasNext() && pixmaps.size() < numIcons) pixmaps << it.next(); //! [3] //! [4] const QRectF iconRect(-54, -54, 108, 108); const QColor iconColor(214, 240, 110, 128); iconGrid.resize(size.height()); int n = 0; for (int y = 0; y < size.height(); ++y) { iconGrid[y].resize(size.width()); for (int x = 0; x < size.width(); ++x) { RoundRectItem *rect = new RoundRectItem(iconRect, iconColor, this); rect->setZValue(1); rect->setPos(posForLocation(x, y, size)); rect->setPixmap(pixmaps.at(n++ % pixmaps.size())); iconGrid[y][x] = rect; } } }