segmentPointIndex method
Implementation
@override
int segmentPointIndex(Offset position, ChartSegment segment) {
final SplineRangeAreaSegment splineRangeAreaSegment =
segment as SplineRangeAreaSegment;
final int index = _computePointIndex(
splineRangeAreaSegment._lowPoints,
position,
);
if (index != -1) {
return index;
}
return _computePointIndex(splineRangeAreaSegment._highPoints, position);
}