convert method
Creates an auto-derived inner/outer corner for the provided adjacent side insets.
insetP = inset on previous side
insetN = inset on next side
inner = convex/inner turn conversion
angle = local corner angle in radians
Implementation
@override
RoundedCorner convert(
double insetP, double insetN, bool inner, double angle) {
if (converter == CornerConverter.equal) return this;
if (p <= 0.0 || n <= 0.0) return const RoundedCorner();
return inner ? _innerCorner(insetP, insetN) : _outerCorner(insetP, insetN);
}