def render(self):
w, h = 2*(2*(self.bounds_radius + self.image_margin),)
tx, ty = 2*(self.bounds_radius + self.image_margin,)
with dye.Image(w, h) as img:
with dye.translation(tx, ty):
self.draw_network()
return img
def render_tree(root_node, gradient):
with dye.translation(-root_node.bounds.x, -root_node.bounds.y):
for node in walk(root_node):
if node.parent is not None:
x0, y0, x1, y1 = (node.parent.x, node.parent.y, node.x, node.y)
seg_gradient = dye.Gradient(start = gradient.get_interpolated_color(node.parent.weight),
stop = gradient.get_interpolated_color(node.weight))
seg = dye.BezierPath()
seg.move_to(x0, y0)
seg.line_to(x1, y1)
with dye.ContextFrame():
seg.clip_to_outline()
seg_gradient.draw_linear_in_rect(seg.bounds(), math.atan2(x1 - x0, y1 - y0))