class_docstr: Size whose absolute part is the largest width (or height) of
  the given *artist_list*.
class_docstr_tok: ["Size","whose","absolute","part","is","the","largest","width","(","or","height",")","of","the","given","*","artist_list","*","."]
code: def get_size(self, renderer):
      rel_size = 0.0
      w_list, h_list = [], []
      for a in self._artist_list:
          bb = a.get_window_extent(renderer)
          w_list.append(bb.width)
          h_list.append(bb.height)
      dpi = a.get_figure().get_dpi()
      if self._w_or_h == "width":
          abs_size = max(w_list) / dpi
      elif self._w_or_h == "height":
          abs_size = max(h_list) / dpi
  
      return rel_size, abs_size
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import matplotlib.cbook
  from matplotlib.axes import Axes
label_desc: Use image node_id 3 for calling the MaxExtent obj's underlying member method code with example usage: obj.get_size(renderer) and returns: rel_size,  abs_size