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 = new Path();
path.moveTo(0, size.height);
path.lineTo(0,size.height*0.1);
path.quadraticBezierTo(
size.width / 3,
size.height * 0.1,
size.width,
size.height * 0.75
);
path.lineTo(size.width, size.height);
path.close();
return path;
}