public override void Render(IRenderContext rc)
{
if (rc == null)
{
throw new ArgumentNullException(nameof(rc));
}
if (!Areas.Any() || Areas.All(a => !a.Any()))
{
return;
}
VerifyAxes();
OxyRect clippingRect = GetClippingRect();
rc.SetClip(clippingRect);
// Transform all points to screen coordinates
foreach (IEnumerable <DataPoint> area in Areas)
{
int n0 = area.Count();
var pts0 = new ScreenPoint[n0];
TransformToScreenCoordinates(n0, pts0, area);
rc.DrawClippedPolygon(clippingRect, pts0, 1, GetSelectableFillColor(Fill), Color, StrokeThickness);
}
rc.ResetClip();
}