def on_pos(self, *args):
del args
with self.canvas:
Color(*self.config['color'])
KivyPoint(points=self.config['points'],
pointsize=self.config['pointsize'])
def __init__(self,
points=None,
pointsize=1.,
color=None,
alpha=1.,
**kwargs):
super().__init__(**kwargs)
self._color = KivyColor(rgb=color or OFFWHITE, a=alpha)
self._shape = KivyPoint(
points=points,
pointsize=pointsize,
)
self.add(self._color)
self.add(self._shape)
def _draw_widget(self, *args) -> None:
"""Establish the drawing instructions for the widget."""
del args
if self.canvas is None:
return
# TODO: allow user to set rotation/scale origin
center = center_of_points_list(self.points)
self.canvas.clear()
with self.canvas:
Color(*self.color)
Scale(self.scale, origin=center)
Rotate(angle=self.rotation, origin=center)
KivyPoint(points=self.points, pointsize=self.pointsize)