protected override void OnPaint(PaintEventArgs e)
{
Graphics g = e.Graphics;
Data.GradientPaint(g, new Rectangle(border, (int)captionHeight, ClientSize.Width - 2 * border, ClientSize.Height - (int)captionHeight - border),
LayoutColors.ColorChartBack, LayoutColors.DepthControl);
// Panel caption
Data.GradientPaint(g, rectfCaption, LayoutColors.ColorCaptionBack, LayoutColors.DepthCaption);
g.DrawString(stringCaptionText, fontCaptionText, brushCaptionText, rectfCaption, stringFormatCaption);
// Border
g.DrawLine(penBorder, 1, captionHeight, 1, ClientSize.Height);
g.DrawLine(penBorder, ClientSize.Width - border + 1, captionHeight, ClientSize.Width - border + 1, ClientSize.Height);
g.DrawLine(penBorder, 0, ClientSize.Height - border + 1, ClientSize.Width, ClientSize.Height - border + 1);
if (!Data.IsData || !Data.IsResult || Data.Bars <= Data.FirstBar) return;
// Limits the drawing into the chart area only
g.SetClip(new Rectangle(xLeft, yTop, xRight - xLeft, yPrcBottom - yTop));
// Draws Volume, Lots and Price
int index = 0;
Pen penBar = new Pen(LayoutColors.ColorBarBorder);
for (bar = firstBar; bar <= lastBar; bar++)
{
// Draw the volume
if (yVolume[index] != yPrcBottom)
g.DrawLine(penVolume, x[index], yVolume[index], x[index], yPrcBottom - 1);
// Draw position lots
if (rectPosition[index] != Rectangle.Empty)
g.FillRectangle(brushPosition[index], rectPosition[index]);
// Draw the bar
g.DrawLine(penBar, x[index], yLow[index], x[index], yHigh[index]);
g.DrawLine(penBar, x[index], yClose[index], x[index] + 1, yClose[index]);
index++;
}
// Drawing the indicators in the chart
for (int slot = 0; slot < slots; slot++)
{
if (bIsSeparatedChart[slot]) continue;
for (int iComp = 0; iComp < iComponentLenght[slot]; iComp++)
{
if (chartType[slot][iComp] == IndChartType.Line)
{ // Line
g.DrawLines(new Pen(chartBrush[slot][iComp]), chartLine[slot][iComp]);
}
else if (chartType[slot][iComp] == IndChartType.Dot)
{ // Dots
for (bar = firstBar; bar <= lastBar; bar++)
g.FillRectangle(chartBrush[slot][iComp], chartDot[slot][iComp][bar - firstBar]);
}
else if (chartType[slot][iComp] == IndChartType.Level)
{ // Level
for (bar = firstBar; bar <= lastBar; bar++)
g.FillRectangle(chartBrush[slot][iComp], chartLevel[slot][iComp][bar - firstBar]);
}
else if (chartType[slot][iComp] == IndChartType.CloudUp)
{ // CloudUp
Pen pen = new Pen(chartBrush[slot][iComp]);
pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
g.DrawLines(pen, chartLine[slot][iComp]);
}
else if (chartType[slot][iComp] == IndChartType.CloudDown)
{ // CloudDown
Pen pen = new Pen(chartBrush[slot][iComp]);
pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
g.DrawLines(pen, chartLine[slot][iComp]);
}
}
}
g.ResetClip();
// Separate indicators
for (int ind = 0; ind < inds; ind++)
{
int slot = aiIndSlot[ind];
for (int comp = 0; comp < iComponentLenght[slot]; comp++)
{
if (chartType[slot][comp] == IndChartType.Line)
{ // Line
g.DrawLines(new Pen(chartBrush[slot][comp]), chartLine[slot][comp]);
}
else if (chartType[slot][comp] == IndChartType.Histogram)
{ // Histogram
double zero = 0;
if (zero < dMinValue[ind]) zero = dMinValue[ind];
if (zero > dMaxValue[ind]) zero = dMaxValue[ind];
int y0 = (int)(yIndBottom[ind] - (zero - dMinValue[ind]) * dScale[ind]);
g.DrawLine(penDarkGray, xLeft, y0, xRight, y0);
for (bar = firstBar; bar <= lastBar; bar++)
{
double val = chartValue[slot][comp][bar - firstBar];
int x = (bar - firstBar) * barPixels + xLeft;
int y = (int)(yIndBottom[ind] - (val - dMinValue[ind]) * dScale[ind]);
g.DrawLine(chartPen[slot][comp][bar - firstBar], x, y0, x, y);
}
}
}
}
// Lines
for (int ind = 0; ind < inds; ind++)
{
int y = yBottom - (ind + 1) * indHeight;
g.DrawLine(penFore, xLeft, y, xRight, y);
}
g.DrawLine(penFore, xLeft, yBottom, xRight, yBottom);
g.DrawLine(penFore, xLeft, yTop, xLeft, yBottom);
}
