func doAdd(_data)
  fvar(p, p1, p2)
  p1 = Point1
  p2 = Point2
  p = Pen
  println(G_SCENE, '->addLine(', p1[0], ',', p1[1], ',', p2[0], ',', p2[1], ',', p, ');')
  event(onAdd, _data_)
end