getClip method
Returns a description of the clip given that the render object being clipped is of the given size.
Implementation
@override
getClip(Size size) {
var path = Path();
path.lineTo(0.0, size.height);
var firstControlPoint = Offset(55, size.height / 1.4);
var firstEndPoint = Offset(size.width / 1.7, size.height / 1.3);
path.quadraticBezierTo(firstControlPoint.dx, firstControlPoint.dy,
firstEndPoint.dx, firstEndPoint.dy);
path.lineTo(size.width, size.height - 40);
path.lineTo(size.width, 0.0);
path.close();
return path;
}