roundCorner static method
Implementation
static String roundCorner(int radiusInner, int radiusOuter, int color) {
if (radiusInner < 1) {
throw ArgumentError('Radius must be greater than zero.');
}
if (radiusOuter < 0) {
throw ArgumentError(
'Outer radius must be greater than or equal to zero.',
);
}
var builder = '$_filterRoundCorner($radiusInner';
if (radiusOuter > 0) {
builder += '|';
builder += '$radiusOuter';
}
final r = (color & 0xFF0000) >> 16;
final g = (color & 0xFF00) >> 8;
final b = color & 0xFF;
return builder += ',$r,$g,$b)';
}