QtCanvasItem *MainWindow::addEllipse()
{
QtCanvasPolygonalItem *item = new QtCanvasEllipse(50, 50, canvas);
item->setBrush(QColor(rand() % 32 * 8, rand() % 32 * 8, rand() % 32 * 8));
item->move(rand() % canvas->width(), rand() % canvas->height());
item->setZ(rand() % 256);
item->show();
return item;
}
QtCanvasItem *MainWindow::addRectangle()
{
QtCanvasPolygonalItem *item = new QtCanvasRectangle(rand() % canvas->width(),
rand() % canvas->height(), 50, 50, canvas);
int z = rand() % 256;
item->setBrush(QColor(rand() % 32 * 8, rand() % 32 * 8, rand() % 32 * 8));
item->setPen(QPen(QColor(rand() % 32*8, rand() % 32*8, rand() % 32*8), 4));
item->setZ(z);
item->show();
return item;
}