initializeGraphics method
void
initializeGraphics()
Implementation
void initializeGraphics() {
// yikes, no nice way to inherit with a mixin.
ActorStroke stroke = this as ActorStroke;
_paint = ui.Paint()
..style = ui.PaintingStyle.stroke
..strokeWidth = stroke.width
..strokeCap = FlutterStroke.getStrokeCap(stroke.cap)
..strokeJoin = FlutterStroke.getStrokeJoin(stroke.join);
onPaintUpdated(_paint);
}