#include <QGraphicsScene>
#include <QApplication>
#include <QPainter>
#include <QGraphicsRectItem>

int main(int argc, char **argv)
{
	QApplication app(argc, argv);

	QGraphicsScene scene;
	QGraphicsRectItem *  rectItem = scene.addRect(QRectF(0, 0, 100, 200), QPen(Qt::black), QBrush(Qt::green));

	//Comment out the follownig line and it will not crash:
	rectItem->setCacheMode(QGraphicsItem::DeviceCoordinateCache);

	QPixmap pixmap(100,200);
	QPainter painter(&pixmap);
	painter.setRenderHint(QPainter::Antialiasing);
	scene.render(&painter);
	painter.end();

	pixmap.save("scene.png");

	return app.exec();
}