def emf_unwrap(raw, verbose=0):
 w = EMF(raw, verbose=verbose)
 if (not w.has_raster_image):
  raise ValueError(u'No raster image found in the EMF')
 return w.to_png()

def emf_unwrap ( raw , verbose = 0 ) : w = EMF ( raw , verbose = verbose ) if ( not w . has_raster_image ) : raise ValueError ( u'No raster image found in the EMF' ) return w . to_png ( )
return the largest embedded raster image in the emf .