public Rectangle2D getAnchor(){
CTGroupTransform2D xfrm = _spPr.getXfrm();
CTPoint2D off = xfrm.getOff();
long x = off.getX();
long y = off.getY();
CTPositiveSize2D ext = xfrm.getExt();
long cx = ext.getCx();
long cy = ext.getCy();
return new Rectangle2D.Double(
Units.toPoints(x), Units.toPoints(y),
Units.toPoints(cx), Units.toPoints(cy));
}