class_docstr: OSMesa backend for Canvas
class_docstr_tok: ["OSMesa","backend","for","Canvas"]
code: def _vispy_get_position(self):
      return 0, 0
  
imports: from __future__ import division
  from ...util.ptime import time
  from ..base import BaseApplicationBackend, BaseCanvasBackend, BaseTimerBackend
  from ...gloo import gl
  from time import sleep
label_desc: Use image node_id 14 for calling the CanvasBackend obj's underlying member method code with example usage: obj._vispy_get_position() and returns: int,  int