def rect(self, x, y, width, height, roundness=0.0, draw=True, **kwargs):
if roundness == 0:
p = CanvasContext.rect(self, x, y, width, height, Boolean(draw))
else:
rw = roundness * width * 0.5
rh = roundness * height * 0.5
p = CanvasContext.rect(self, x, y, width, height, rw, rh, Boolean(draw))
self._setAttributesFromKwargs(p, **kwargs)
return p
