/// <summary>
/// Creates the segments of FastLineBitmapSeries.
/// </summary>
public override void CreateSegments()
{
var isGrouped = ActualXAxis is CategoryAxis && !(ActualXAxis as CategoryAxis).IsIndexed;
if (isGrouped)
{
xValues = GroupedXValuesIndexes;
}
else
{
xValues = (ActualXValues is IList <double>) ? ActualXValues as IList <double> : GetXValues();
}
if (isGrouped)
{
Segments.Clear();
Adornments.Clear();
if (Segment == null || Segments.Count == 0)
{
FastLineBitmapSegment segment = new FastLineBitmapSegment(xValues, GroupedSeriesYValues[0], this);
Segment = segment;
Segments.Add(segment);
}
}
else
{
ClearUnUsedAdornments(this.DataCount);
if (Segment == null || Segments.Count == 0)
{
FastLineBitmapSegment segment = new FastLineBitmapSegment(xValues, YValues, this);
Segment = segment;
Segments.Add(segment);
}
else if (ActualXValues != null)
{
Segment.SetData(xValues, YValues);
(Segment as FastLineBitmapSegment).SetRange();
Segment.Item = ActualData;
}
}
isAdornmentPending = true;
}
/// <summary>
/// Called when DataSource property changed
/// </summary>
/// <param name="oldValue"></param>
/// <param name="newValue"></param>
protected override void OnDataSourceChanged(System.Collections.IEnumerable oldValue, System.Collections.IEnumerable newValue)
{
Segment = null;
base.OnDataSourceChanged(oldValue, newValue);
}
