29 lines
644 B
Python
29 lines
644 B
Python
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
scenegraph.element.ellipse
|
|
"""
|
|
|
|
|
|
# imports ####################################################################
|
|
|
|
from .path import Path
|
|
|
|
|
|
# ellipse ####################################################################
|
|
|
|
class Ellipse(Path):
|
|
tag = "ellipse"
|
|
|
|
cx, cy = 0, 0
|
|
rx, ry = 0, 0
|
|
|
|
@property
|
|
def d(self):
|
|
cx, cy = self.cx, self.cy
|
|
rx, ry = self.rx, self.ry
|
|
if rx <= 0. or ry <= 0.:
|
|
return []
|
|
return ['M', (cx - rx, cy), 'a', (rx, ry), 0, (0, 0), (2 * rx, 0),
|
|
'a', (rx, ry), 0, (0, 0), (-2 * rx, 0), 'Z']
|