getClip method
Returns a description of the clip given that the render object being clipped is of the given size.
Implementation
@override
Path getClip(Size size) {
var path = Path();
final height = size.height;
final width = size.width;
path.lineTo(0, height);
path.lineTo(width / 2, height);
path.lineTo(width / 2, 0);
path.lineTo(0, 0);
return path;
}