docstr: Get the width of the character from the character metric WX
  field
docstr_tok: ["Get","the","width","of","the","character","from","the","character","metric","WX","field"]
code: def get_width_char(self, c, isord=False):
      """
      Get the width of the character from the character metric WX
      field
      """
      if not isord:
          c = ord(c)
      wx, name, bbox = self._metrics[c]
      return wx
  
imports: import sys, os, re
  from _mathtext_data import uni2type1
label_desc: Use image node_id 7 for calling the AFM obj's underlying member method code with example usage: obj.get_width_char(c, isord) and returns: wx