def homothety(self, center, sx, sy):
with PostponeCurveGeometricUpdatingToEnd(self):
Graphic.homothety(self, center, sx, sy)
for element in self.elements:
element.homothety(center, sx, sy)
def homothety(self, center, sx, sy):
with PostponeGeometricUpdatingToEnd(self):
self.coords = homothety(self.coords, ORIGIN, sx, sy)
Graphic.homothety(self, center, sx, sy)
