public void UpdateMinMaxMean(PlotDataPointYDouble dataPoint)
{
if ((dataPoint.Empty || dataPoint.Null) && this.XValueNotValidWhenEmptyOrNull)
{
return;
}
this.m_XMeanCount++;
this.m_XMeanSum += dataPoint.X;
this.m_XMean = this.m_XMeanSum / (double)this.m_XMeanCount;
this.m_XMin = Math.Min(this.m_XMin, dataPoint.X);
this.m_XMax = Math.Max(this.m_XMax, dataPoint.X);
if (!dataPoint.Empty && !dataPoint.Null)
{
this.m_YMeanCount++;
this.m_YMeanSum += dataPoint.Y;
this.m_YMean = this.m_YMeanSum / (double)this.m_YMeanCount;
this.m_YMin = Math.Min(this.m_YMin, dataPoint.Y);
this.m_YMax = Math.Max(this.m_YMax, dataPoint.Y);
}
}
public void UpdateStandardDeviations()
{
this.m_XStandardDeviation = 0.0;
this.m_YStandardDeviation = 0.0;
if (this.Count != 0)
{
PlotDataPointYDouble plotDataPointYDouble = this[0] as PlotDataPointYDouble;
if (plotDataPointYDouble != null)
{
double num = 0.0;
double num2 = 0.0;
int num3 = 0;
int num4 = 0;
for (int i = 0; i < this.Count; i++)
{
plotDataPointYDouble = (this[i] as PlotDataPointYDouble);
if (!plotDataPointYDouble.Empty && !plotDataPointYDouble.Null)
{
goto IL_0083;
}
if (!this.XValueNotValidWhenEmptyOrNull)
{
goto IL_0083;
}
continue;
IL_0083:
num += (this.XMean - plotDataPointYDouble.X) * (this.XMean - plotDataPointYDouble.X);
num3++;
if (!plotDataPointYDouble.Empty && !plotDataPointYDouble.Null)
{
num2 += (this.YMean - plotDataPointYDouble.Y) * (this.YMean - plotDataPointYDouble.Y);
num4++;
}
}
num /= (double)num3;
num2 /= (double)num4;
this.m_XStandardDeviation = Math.Sqrt(num);
this.m_YStandardDeviation = Math.Sqrt(num2);
}
}
}
protected void DrawLine(PaintArgs p, PlotXAxis xAxis, PlotYAxis yAxis, Pen pen, PlotDataPointYDouble point1, PlotDataPointYDouble point2, Brush fillBrush)
{
int num = xAxis.ScaleDisplay.ValueToPixels(point1.X);
int num2 = yAxis.ScaleDisplay.ValueToPixels(point1.Y);
int num3 = xAxis.ScaleDisplay.ValueToPixels(point2.X);
int num4 = yAxis.ScaleDisplay.ValueToPixels(point2.Y);
if (base.XYSwapped)
{
p.Graphics.DrawLine(pen, num2, num, num4, num3);
}
else
{
p.Graphics.DrawLine(pen, num, num2, num3, num4);
}
if (this.Fill.Visible && this.Fill.Brush.Visible)
{
if (this.m_FillPoints == null)
{
this.m_FillPoints = new Point[4];
}
if (base.XYSwapped)
{
this.m_FillPoints[0].X = this.m_FillRefPixel;
this.m_FillPoints[0].Y = num;
}
else
{
this.m_FillPoints[0].X = num;
this.m_FillPoints[0].Y = this.m_FillRefPixel;
}
if (base.XYSwapped)
{
this.m_FillPoints[1].X = num2;
this.m_FillPoints[1].Y = num;
}
else
{
this.m_FillPoints[1].X = num;
this.m_FillPoints[1].Y = num2;
}
if (base.XYSwapped)
{
this.m_FillPoints[2].X = num4;
this.m_FillPoints[2].Y = num3;
}
else
{
this.m_FillPoints[2].X = num3;
this.m_FillPoints[2].Y = num4;
}
if (base.XYSwapped)
{
this.m_FillPoints[3].X = this.m_FillRefPixel;
this.m_FillPoints[3].Y = num3;
}
else
{
this.m_FillPoints[3].X = num3;
this.m_FillPoints[3].Y = this.m_FillRefPixel;
}
p.Graphics.FillPolygon(fillBrush, this.m_FillPoints);
}
}
public void AddDataPoint(PlotDataPointYDouble dataPoint)
{
if (!dataPoint.Empty)
{
if (dataPoint.Null)
{
this.DrawFlush();
}
else
{
int num = this.m_XAxis.ScaleDisplay.ValueToPixels(dataPoint.X);
int num2 = this.m_YAxis.ScaleDisplay.ValueToPixels(dataPoint.Y);
if (this.m_Empty)
{
this.m_PixelXLast = num;
this.m_PixelYMin = num2;
this.m_PixelYMax = num2;
this.m_PixelYLast = num2;
this.m_Empty = false;
}
else if (num == this.m_PixelXLast && num2 != this.m_PixelYLast)
{
this.m_PixelYMin = Math.Min(this.m_PixelYMin, num2);
this.m_PixelYMax = Math.Max(this.m_PixelYMax, num2);
this.m_PixelYLast = num2;
this.m_HighLowCached = true;
}
else
{
if (this.m_HighLowCached)
{
this.CleanupHighLowCached();
}
if (this.m_PixelYLast == num2)
{
this.m_PixelXNext = num;
this.m_HorizontalCached = true;
}
else
{
if (this.m_HorizontalCached)
{
this.CleanupHorizontalCached();
}
if (this.TraceVisible)
{
if (this.XYSwapped)
{
this.P.Graphics.DrawLine(this.m_Pen, this.m_PixelYLast, this.m_PixelXLast, num2, num);
}
else
{
this.P.Graphics.DrawLine(this.m_Pen, this.m_PixelXLast, this.m_PixelYLast, num, num2);
}
}
if (this.FillVisible)
{
if (this.m_Points == null)
{
this.m_Points = new Point[4];
}
if (this.XYSwapped)
{
this.m_Points[0].X = this.m_FillRefPixel;
this.m_Points[0].Y = this.m_PixelXLast;
this.m_Points[1].X = this.m_PixelYLast;
this.m_Points[1].Y = this.m_PixelXLast;
this.m_Points[2].X = num2;
this.m_Points[2].Y = num;
this.m_Points[3].X = this.m_FillRefPixel;
this.m_Points[3].Y = num;
}
else
{
this.m_Points[0].X = this.m_PixelXLast;
this.m_Points[0].Y = this.m_FillRefPixel;
this.m_Points[1].X = this.m_PixelXLast;
this.m_Points[1].Y = this.m_PixelYLast;
this.m_Points[2].X = num;
this.m_Points[2].Y = num2;
this.m_Points[3].X = num;
this.m_Points[3].Y = this.m_FillRefPixel;
}
this.P.Graphics.FillPolygon(this.FillBrush, this.m_Points);
}
this.m_PixelXLast = num;
this.m_PixelYMin = num2;
this.m_PixelYMax = num2;
this.m_PixelYLast = num2;
}
}
}
}
}