def poly_point(self, gc, coord_mode, points, onerror=None):
request.PolyPoint(display=self.display,
onerror=onerror,
coord_mode=coord_mode,
drawable=self.id,
gc=gc,
points=points)
def point(self, gc, x, y, onerror=None):
request.PolyPoint(display=self.display,
onerror=onerror,
coord_mode=X.CoordModeOrigin,
drawable=self.id,
gc=gc,
points=[(x, y)])
