void InsideBase::drawBackground( QPainter * painter, const QRectF& rect )
{
	if( _background ) {
		painter->fillRect( rect, Qt::black );
		QRectF tmp = rect.intersected( sceneRect() );
		painter->drawPixmap( tmp, * _background, tmp );
	} else {
		painter->fillRect( rect, Qt::black );
	}
}