createRenderer method
Create the spline area series renderer.
Implementation
@override
SplineSeriesRenderer<T, D> createRenderer() {
SplineSeriesRenderer<T, D> seriesRenderer;
if (onCreateRenderer != null) {
seriesRenderer = onCreateRenderer!(this) as SplineSeriesRenderer<T, D>;
return seriesRenderer;
}
return SplineSeriesRenderer<T, D>();
}