def drawBackground(self, painter, rect): QGraphicsView.drawBackground(self, painter, rect) if not self.__backgroundIcon.isNull(): painter.setClipRect(rect) vrect = QRect(QPoint(0, 0), self.viewport().size()) vrect = self.mapToScene(vrect).boundingRect() pm = self.__backgroundIcon.pixmap( vrect.size().toSize().boundedTo(QSize(200, 200)) ) pmrect = QRect(QPoint(0, 0), pm.size()) pmrect.moveCenter(vrect.center().toPoint()) if rect.toRect().intersects(pmrect): painter.drawPixmap(pmrect, pm)