code: def new(cls, cx, cy, shape_id, pic):
          
          inline = parse_xml(cls._inline_xml())
          inline.extent.cx = cx
          inline.extent.cy = cy
          inline.docPr.id = shape_id
          inline.docPr.name = 'Picture %d' % shape_id
          inline.graphic.graphicData.uri = (
              'http://schemas.openxmlformats.org/drawingml/2006/picture'
          )
          inline.graphic.graphicData._insert_pic(pic)
          return inline
docs: Return a new ``<wp:inline>`` element populated with the values passed
          as parameters.