public void Render(Graphics g)
{
PlotAreaStyle style = m_style;
drawGrid(g, style);
foreach (ConfigurationTargetLine line in m_config.TargetLines)
{
float fY1 = m_gy.ScaleValue(line.YValue, true);
line.SetActiveValues(fY1);
if (line.Enabled && line.Visible)
{
Color clrFill = Color.FromArgb(32, line.LineColor);
Pen p = m_colLinePens.Add(line.LineColor);
Brush br = m_colLineBrushes.Add(clrFill);
RectangleF rc;
if (!float.IsNaN(fY1) && !float.IsInfinity(fY1))
{
if (fY1 > Bounds.Top && fY1 < Bounds.Bottom)
{
if (line.YValueRange > 0)
{
float fYTop = m_gy.ScaleValue(line.YValue - (line.YValueRange / 2.0f), true);
float fYBtm = m_gy.ScaleValue(line.YValue + (line.YValueRange / 2.0f), true);
rc = new RectangleF(m_rcBounds.Left, fYBtm, m_rcBounds.Width, fYTop - fYBtm);
}
else
{
rc = new RectangleF(m_rcBounds.Left, fY1 - 2, m_rcBounds.Width, 5);
}
g.FillRectangle(br, rc);
g.DrawLine(p, m_rcBounds.Left, fY1, m_rcBounds.Right, fY1);
if (!string.IsNullOrEmpty(line.Note))
{
SizeF sz = g.MeasureString(line.Note, m_fontNote);
Brush brNote = m_colLineBrushes.Add(line.NoteColor);
g.DrawString(line.Note, m_fontNote, brNote, new PointF(100, fY1 - sz.Height));
}
}
}
}
}
g.SetClip(Bounds);
// Draw the pre-render
foreach (GraphPlot graphPlot in m_rgPlots)
{
graphPlot.PreRender(g, m_config.PlotArea.Lookahead);
}
// Draw the action actives (if any)
foreach (GraphPlot graphPlot in m_rgPlots)
{
graphPlot.RenderActions(g, m_config.PlotArea.Lookahead);
}
// Draw the plots
foreach (GraphPlot graphPlot in m_rgPlots)
{
graphPlot.Render(g, m_config.PlotArea.Lookahead);
}
// Draw the look ahead bar if one exists
if (m_config.PlotArea.Lookahead > 0)
{
float fX1 = m_rgPlots[0].GetXPositionFromEnd(m_config.PlotArea.Lookahead);
Pen pen = new Pen(Color.FromArgb(64, 0, 0, 255), 1.0f);
pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
g.DrawLine(pen, fX1, m_rcBounds.Top, fX1, m_rcBounds.Bottom);
pen.Dispose();
}
g.ResetClip();
float fX = 3;
float fY = 3;
float fHt = 0;
foreach (GraphPlot graphPlot in m_rgPlots)
{
if (m_rcBounds.Y + fY + fHt > m_rcBounds.Bottom)
{
break;
}
fHt = drawLabel(g, fX, fY, graphPlot);
fY += fHt;
}
drawTitle(g, m_config, m_style);
}
private void drawFlag(Graphics g, double dfY, bool bEnableFlag, Color flagColor, Color flagText, Color flagBorder, string strFmt = null, double?dfDisplayYVal = null)
{
if (!bEnableFlag)
{
return;
}
if (flagColor == Color.Transparent)
{
return;
}
float fY = ScaleValue(dfY, true);
if (float.IsNaN(fY) || float.IsInfinity(fY))
{
return;
}
double dfDisplayY = dfY;
if (dfDisplayYVal.HasValue)
{
dfDisplayY = dfDisplayYVal.Value;
}
string strVal = (strFmt != null) ? dfDisplayY.ToString(strFmt) : dfDisplayY.ToString("N" + m_config.Decimals.ToString());
SizeF szVal = g.MeasureString(strVal, m_config.LabelFont);
float fHalf = szVal.Height / 2;
if (fY < Bounds.Top || fY > Bounds.Bottom)
{
return;
}
PointF[] rgpt = m_rgpt;
rgpt[0].X = m_rcBounds.Left;
rgpt[0].Y = fY;
rgpt[1].X = m_rcBounds.Left + fHalf;
rgpt[1].Y = fY - fHalf;
rgpt[2].X = m_rcBounds.Left + fHalf + szVal.Width + 2;
rgpt[2].Y = fY - fHalf;
rgpt[3].X = m_rcBounds.Left + fHalf + szVal.Width + 2;
rgpt[3].Y = fY + fHalf;
rgpt[4].X = m_rcBounds.Left + fHalf;
rgpt[4].Y = fY + fHalf;
rgpt[5].X = m_rcBounds.Left;
rgpt[5].Y = fY;
m_colFlagColor.Add(flagColor);
Brush br = m_colFlagColor[flagColor];
g.FillPolygon(br, rgpt);
m_colFlagText.Add(flagText);
br = m_colFlagText[flagText];
g.DrawString(strVal, m_config.LabelFont, br, m_rcBounds.Left + fHalf, fY - (fHalf + 1));
m_colFlagBorder.Add(flagBorder);
Pen p = m_colFlagBorder[flagBorder];
g.DrawPolygon(p, rgpt);
}