code: def translate_point(self, point):
          
          mx, my = self.get_center_offset()
          if self._zoom_level == 1.0:
              return point[0] + mx, point[1] + my
          else:
              return int(round((point[0] + mx)) * self._real_ratio_x), int(round((point[1] + my) * self._real_ratio_y))
docs: Translate world coordinates and return screen coordinates.  Respects zoom level
  
          Will be returned as tuple.
  
          :rtype: tuple