QPixmap pixmap(size().toSize() * widget->devicePixelRatio());
pixmap.setDevicePixelRatio(widget->devicePixelRatio());
pixmap.fill(Qt::transparent);
QPixmap pixmap(size().toSize() * widget->devicePixelRatio());
pixmap.setDevicePixelRatio(widget->devicePixelRatio());
pixmap.fill(Qt::transparent);