def get_edit_points(self):
        width, height = self.get_scaled_wdht()
        return [self.get_center_pt(),    # location
                (self.x + width, self.y + height / 2.),
                (self.x + width / 2., self.y + height),
                (self.x + width, self.y + height)
                ]
dataset/ETHPy150Open ejeschke/ginga/ginga/canvas/types/image.py/Image.get_edit_points/original