/// <summary>
/// Render the Value onto the control at post-render indicator time
/// </summary>
/// <param name="sender">KnobControl</param>
/// <param name="e">PostRenderEventArgs</param>
private void PostRenderKnobIndicator1(object sender, PostRenderEventArgs e)
{
KnobControl kc = sender as KnobControl;
if (kc != null)
{
// Draw the knob Value (with an offset shadow)
// on top of the KnobIndicator
using (Font font = new Font("Arial", 30, FontStyle.Regular))
{
using (StringFormat strFormat = new StringFormat(StringFormatFlags.NoClip))
{
strFormat.Alignment = StringAlignment.Center;
string s = kc.Value.ToString();
if (s.EndsWith(".0"))
{
s = s.Substring(0, s.Length - 2);
}
RectangleF r = GetTextRect(e.Bounds, font);
r.Offset(2, 2);
e.Graphics.DrawString(s, font, Brushes.Black, r, strFormat);
r.Offset(-2, -2);
e.Graphics.DrawString(s, font, Brushes.White, r, strFormat);
}
}
}
}
private void DrawNetRegressionLine(ctlChartBase sender, PostRenderEventArgs args)
{
try
{
if (mcheckBox_displayRegression.Checked == false)
{
return;
}
foreach (Analysis analysis in m_displayCache.Keys)
{
// Here we only draw the regression line for the selected analysis, unless it's null, which means the user wants to see all of the analysis together.
if (analysis == m_selectedAnalysis || m_selectedAnalysis == null)
{
if (analysis.ProcessedState == ProcessingState.Processed)
{
// IRegressionAlgorithm regressor = analysis.RegressionResults.Regressor;
float xFrom = sender.ViewPort.X;
float xFinal = sender.ViewPort.Right;
clsColorIterator iterator = new clsColorIterator();
Color color = iterator.GetColor(analysis.Id);
color = Color.FromArgb(120, color);
using (Pen mpen_line = new Pen(color, 5))
{
if (!mcheckBox_useResiduals.Checked)
{
int numDivisions = 10;
float step = (xFinal - xFrom) / numDivisions;
for (; xFrom < xFinal; xFrom += step)
{
// float yFrom = Convert.ToSingle(regressor.GetTransformedNET(Convert.ToInt32(xFrom)));
// float xTo = xFrom + step;
// float yTo = Convert.ToSingle(regressor.GetTransformedNET(Convert.ToInt32(xTo)));
// args.Graphics.DrawLine(mpen_line, sender.GetScreenPixelX(xFrom), sender.GetScreenPixelY(yFrom),
// sender.GetScreenPixelX(xTo), sender.GetScreenPixelY(yTo));
}
}
else
{
args.Graphics.DrawLine(mpen_line, sender.GetScreenPixelX(xFrom), sender.GetScreenPixelY(0),
sender.GetScreenPixelX(xFinal), sender.GetScreenPixelY(0));
}
}
}
}
}
}
catch (Exception)
{
// who cares!
}
}
/// <summary>
/// Render the control Value at post-render indicator time
/// </summary>
/// <param name="sender">KnobControl</param>
/// <param name="e">PostRenderEventArgs</param>
private void PostRenderKnobIndicator2(object sender, PostRenderEventArgs e)
{
KnobControl kc = sender as KnobControl;
if (kc != null)
{
// Draw the knob Value on top of the KnobIndicator
using (Font font = new Font("Arial", 16, FontStyle.Regular))
{
using (StringFormat strFormat = new StringFormat(StringFormatFlags.NoClip))
{
strFormat.Alignment = StringAlignment.Center;
RectangleF r = GetTextRect(e.Bounds, font);
e.Graphics.DrawString(kc.Value.ToString(), font, Brushes.Black, r, strFormat);
}
}
}
}