/// <summary>
/// Get the tool tip for a RangePolygon
/// There are two types, BottomToolTip and TopToolTip
/// A RangePolygon that is BOTTOM RANGETYPE will return the BottomToolTip
/// wherease a TOP RANGETYPE will return the TopToolTip
/// </summary>
/// <param name="polygonIndex">index of the polygon</param>
/// <returns>see summary</returns>
private string GetToolTip(int polygonIndex)
{
RangePolygon polygon = GetRangePolygon(polygonIndex);
if (polygon.RangeType == RangePolygon.RANGETYPE.BOTTOM)
{
return(this.BottomToolTip);
}
else
{
return(this.TopToolTip);
}
}
/// <summary>
/// Gets all the RangePolygons between line1 and line2.
/// </summary>
/// <param name="cg">used for getting absolute values</param>
/// <param name="line1">the line that has the 'good' values</param>
/// <param name="line2">the line that has the 'bad' values </param>
private void FillRangePolygons(ChartGraphics cg, Series line1, Series line2)
{
this.ClearRangePolygons();
//System.Console.WriteLine("GetRangePolygons Start: " + DateTime.Now.Millisecond);
DataPoint[] dpIntersections = LineUtils.GetAllIntersections(line1, line2);
//ArrayList rPolygons = new ArrayList();
if (dpIntersections != null)
{
switch (dpIntersections.Length)
{
case 0:
//this is where tehre is no intersection
break;
case 1:
//this is the special case that there is only one intersection
RangePolygon sPolygon = GetStartPolygon(cg, line1, line2, dpIntersections[0], this.rPolygons.Count);
if (sPolygon != null)
{
rPolygons.Add(sPolygon);
}
RangePolygon ePolygon = GetEndPolygon(cg, line1, line2, dpIntersections[dpIntersections.Length - 1], this.rPolygons.Count);
if (ePolygon != null)
{
rPolygons.Add(ePolygon);
}
break;
default:
if (dpIntersections.Length >= 0)
{
RangePolygon startPolygon = GetStartPolygon(cg, line1, line2, dpIntersections[0], this.rPolygons.Count);
if (startPolygon != null)
{
rPolygons.Add(startPolygon);
}
for (int dpInterIndex = 0; dpInterIndex < dpIntersections.Length - 1; dpInterIndex++)
{
RangePolygon rp = GetPolygonOfIntersection(cg, line1,
line2, dpIntersections[dpInterIndex], dpIntersections[dpInterIndex + 1], this.rPolygons.Count);
if (rp != null)
{
rPolygons.Add(rp);
}
}
RangePolygon endPolygon = GetEndPolygon(cg, line1, line2, dpIntersections[dpIntersections.Length - 1], this.rPolygons.Count);
if (endPolygon != null)
{
rPolygons.Add(endPolygon);
}
}
else
{
break;
}
//System.Console.WriteLine("GetRangePolygons END: " + DateTime.Now.Millisecond);
break;
}
}
}