Creates a rounded-rectangular clip.
The borderRadius defaults to BorderRadius.zero, i.e. a rectangle with
right-angled corners.
If clipper is non-null, then borderRadius is ignored.
Source
RenderClipRRect({
RenderBox child,
BorderRadius borderRadius: BorderRadius.zero,
CustomClipper<RRect> clipper,
}) : _borderRadius = borderRadius, super(child: child, clipper: clipper) {
assert(_borderRadius != null || clipper != null);
}