/// <summary>
/// </summary>
/// <param name="chartControl"></param>
/// <param name="graphics"></param>
/// <param name="bars"></param>
/// <param name="panelIdx"></param>
/// <param name="fromIdx"></param>
/// <param name="toIdx"></param>
/// <param name="bounds"></param>
/// <param name="max"></param>
/// <param name="min"></param>
public override void PaintBars(ChartControl chartControl, Graphics graphics, Data.Bars bars, int panelIdx, int fromIdx, int toIdx, Rectangle bounds, double max, double min)
{
if (downPen.Color != DownColor)
downPen.Color = DownColor;
if (upPen.Color != UpColor)
upPen.Color = UpColor;
Color barColor;
int barWidth = bars.BarsData.ChartStyle.BarWidthUI;
Color ellipseColor = UpColor;
int high;
int low;
Color oldColor;
Pen pen;
int penHalfWidth;
int penWidth;
int x;
if (Math.Max(1, barWidth) != upPen.Width)
{
downPen = new Pen(DownColor, Math.Max(1, barWidth));
upPen = new Pen(UpColor, Math.Max(1, barWidth));
}
for (int idx = fromIdx; idx <= toIdx; idx++)
{
barColor = chartControl.GetBarOverrideColor(bars, idx);
x = chartControl.GetXByBarIdx(bars, idx);
high = chartControl.GetYByValue(bars, bars.GetHigh(idx));
low = chartControl.GetYByValue(bars, bars.GetLow(idx));
pen = (bars.GetClose(idx) >= bars.GetOpen(idx) ? upPen : downPen);
oldColor = pen.Color;
penWidth = (int)pen.Width;
penHalfWidth = (int)(pen.Width / 2);
ellipseColor = UpColor;
if (barColor != Color.Empty)
{
pen.Color = barColor;
ellipseColor = barColor;
}
if (high == low)
{
SolidBrush tmpBrush = new SolidBrush(ellipseColor);
graphics.FillEllipse(tmpBrush, x - penHalfWidth - 1, Math.Min(high, low) - penHalfWidth - 1, pen.Width + 1, pen.Width + 1);
tmpBrush.Dispose();
}
else
graphics.DrawLine(pen, x, Math.Min(high, low) - penHalfWidth, x, Math.Max(high, low) + penHalfWidth);
if (barColor != Color.Empty)
pen.Color = oldColor;
}
}
/// <summary>
/// </summary>
/// <param name="chartControl"></param>
/// <param name="graphics"></param>
/// <param name="bars"></param>
/// <param name="panelIdx"></param>
/// <param name="fromIdx"></param>
/// <param name="toIdx"></param>
/// <param name="bounds"></param>
/// <param name="max"></param>
/// <param name="min"></param>
public override void PaintBars(ChartControl chartControl, Graphics graphics, Data.Bars bars, int panelIdx, int fromIdx, int toIdx, Rectangle bounds, double max, double min)
{
Pen tmpUpPen = Gui.Globals.Clone(this.upPen); // work on copy, not on original object, otherwise issues with chart bars flickering on OHLC
Pen tmpDownPen = Gui.Globals.Clone(this.downPen); // work on copy, not on original object, otherwise issues with chart bars flickering on OHLC
if (tmpDownPen.Color != DownColor)
tmpDownPen.Color = DownColor;
if (tmpUpPen.Color != UpColor)
tmpUpPen.Color = UpColor;
Color barColor;
int barWidth = bars.BarsData.ChartStyle.BarWidthUI;
int close;
double closeValue;
int high;
int low;
Color oldColor = Color.Empty;
int open;
double openValue;
Pen pen = tmpUpPen;
int penWidth;
int penHalfWidth;
int x;
if (Math.Max(1, barWidth - 2) != tmpUpPen.Width)
{
tmpDownPen = new Pen(DownColor, Math.Max(1, barWidth - 2));
tmpUpPen = new Pen(UpColor, Math.Max(1, barWidth - 2));
}
for (int idx = fromIdx; idx <= toIdx; idx++)
{
barColor = chartControl.GetBarOverrideColor(bars, idx);
closeValue = bars.GetClose(idx);
close = chartControl.GetYByValue(bars, closeValue);
high = chartControl.GetYByValue(bars, bars.GetHigh(idx));
low = chartControl.GetYByValue(bars, bars.GetLow(idx));
openValue = bars.GetOpen(idx);
open = chartControl.GetYByValue(bars, openValue);
pen = (closeValue >= openValue ? tmpUpPen : tmpDownPen);
penHalfWidth = (int) (pen.Width / 2);
penWidth = (int) pen.Width;
x = chartControl.GetXByBarIdx(bars, idx);
if (barColor != Color.Empty)
{
oldColor = pen.Color;
pen.Color = barColor;
}
pen.Width = penWidth; // important to alleviate selecting the bar series
graphics.DrawLine(pen, x, Math.Min(high, low) - penHalfWidth, x, Math.Max(high, low) + penHalfWidth);
graphics.DrawLine(pen, x - Math.Max(1, barWidth), open, x, open);
graphics.DrawLine(pen, x, close, x + Math.Max(1, barWidth), close);
if (barColor != Color.Empty)
pen.Color = oldColor;
}
tmpDownPen.Dispose();
tmpUpPen.Dispose();
}
/// <summary>
/// </summary>
/// <param name="chartControl"></param>
/// <param name="graphics"></param>
/// <param name="bars"></param>
/// <param name="panelIdx"></param>
/// <param name="fromIdx"></param>
/// <param name="toIdx"></param>
/// <param name="bounds"></param>
/// <param name="max"></param>
/// <param name="min"></param>
public override void PaintBars(ChartControl chartControl, Graphics graphics, Data.Bars bars, int panelIdx, int fromIdx, int toIdx, Rectangle bounds, double max, double min)
{
if (downBrush.Color != DownColor)
downBrush.Color = DownColor;
if (upBrush.Color != UpColor)
upBrush.Color = UpColor;
Color barColor;
int barWidthValue = bars.BarsData.ChartStyle.BarWidthUI;
int barWidth;
SolidBrush brush = upBrush;
int close;
double closeValue;
int high;
int low;
Color oldPenColor = Pen.Color;
Color pen2Color = Pen2.Color;
int open;
double openValue;
int x;
for (int idx = fromIdx; idx <= toIdx; idx++)
{
barColor = chartControl.GetBarOverrideColor(bars, idx);
barWidth = GetBarPaintWidth(barWidthValue);
closeValue = bars.GetClose(idx);
close = chartControl.GetYByValue(bars, closeValue);
high = chartControl.GetYByValue(bars, bars.GetHigh(idx));
low = chartControl.GetYByValue(bars, bars.GetLow(idx));
openValue = bars.GetOpen(idx);
open = chartControl.GetYByValue(bars, openValue);
x = chartControl.GetXByBarIdx(bars, idx);
Color candleOutlineColorScript = chartControl.GetCandleOutlineOverrideColor(bars, idx);
bool isCandleOutlineColorScriptSet = (chartControl.GetCandleOutlineOverrideColor(bars, idx) != Color.Empty);
Pen.Color = oldPenColor;
if (barColor != Color.Empty)
Pen.Color = (candleOutlineColorScript != Color.Empty ? candleOutlineColorScript : barColor);
else if (candleOutlineColorScript != Color.Empty)
Pen.Color = candleOutlineColorScript;
if (open == close)
graphics.DrawLine(Pen, x - barWidth / 2, close, x + barWidth / 2, close);
else
{
brush = closeValue >= openValue ? upBrush : downBrush;
Color oldColor = brush.Color;
if (barColor != Color.Empty)
brush.Color = barColor;
graphics.FillRectangle(brush, x - barWidth / 2 + 1, Math.Min(close, open) + 1,
barWidth - 1, Math.Max(open, close) - Math.Min(close, open) - 1);
if (barColor != Color.Empty)
brush.Color = oldColor;
graphics.DrawRectangle(Pen, x - (barWidth / 2) + (Pen.Width / 2), Math.Min(close, open), barWidth - Pen.Width, Math.Max(open, close) - Math.Min(close, open));
}
Pen2.Color = isCandleOutlineColorScriptSet ? candleOutlineColorScript : pen2Color;
if (high < Math.Min(open, close))
graphics.DrawLine(Pen2, x, high, x, Math.Min(open, close));
if (low > Math.Max(open, close))
graphics.DrawLine(Pen2, x, low, x, Math.Max(open, close));
}
Pen.Color = oldPenColor;
Pen2.Color = pen2Color;
}
/// <summary>
/// </summary>
/// <param name="chartControl"></param>
/// <param name="graphics"></param>
/// <param name="bars"></param>
/// <param name="panelIdx"></param>
/// <param name="fromIdx"></param>
/// <param name="toIdx"></param>
/// <param name="bounds"></param>
/// <param name="max"></param>
/// <param name="min"></param>
public override void PaintBars(ChartControl chartControl, Graphics graphics, Data.Bars bars, int panelIdx, int fromIdx, int toIdx, Rectangle bounds, double max, double min)
{
if (downBrush.Color != DownColor)
downBrush.Color = DownColor;
if (upBrush.Color != UpColor)
upBrush.Color = UpColor;
int x;
Color barColor;
int high;
double highVal;
int low;
double lowVal;
int boxStartPosition = -1;
bool drawLastBar = false;
int chartMinX = chartControl.CanvasRight - chartControl.BarMarginRight - GetBarPaintWidth(BarWidthUI) / 2 - ((chartControl.BarsPainted - 1) * chartControl.BarSpace);
Color candleOutlineColorScript;
if (toIdx >= 0 && toIdx < bars.Count - 1)
toIdx++;
for (int idx = fromIdx; idx <= toIdx; idx++)
{
if (idx == 0)
continue;
barColor = chartControl.GetBarOverrideColor(bars, idx);
highVal = bars.GetHigh(idx);
high = chartControl.GetYByValue(bars, highVal);
lowVal = bars.GetLow(idx);
low = chartControl.GetYByValue(bars, lowVal);
x = chartControl.GetXByBarIdx(bars, idx);
candleOutlineColorScript = chartControl.GetCandleOutlineOverrideColor(bars, idx);
if (idx == fromIdx)
boxStartPosition = chartMinX;
else
boxStartPosition = chartControl.GetXByBarIdx(bars, idx - 1);
boxStartPosition = (boxStartPosition < chartMinX ? chartMinX : boxStartPosition);
if (x == boxStartPosition)
continue;
int width = Math.Max(2, Math.Abs(x - boxStartPosition));
if (boxStartPosition + width > bounds.Width + bounds.X)
width = (bounds.X + bounds.Width) - boxStartPosition;
if (bars.GetClose(idx) >= bars.GetOpen(idx))
{
Color oldBrushColor = upBrush.Color;
Color oldPenColor = Pen.Color;
if (barColor != Color.Empty)
upBrush.Color = barColor;
if (candleOutlineColorScript != Color.Empty)
Pen.Color = candleOutlineColorScript;
else if (barColor != Color.Empty)
Pen.Color = barColor;
width -= (int) Pen.Width;
graphics.FillRectangle(upBrush, boxStartPosition, high, width, low - high);
graphics.DrawRectangle(Pen, boxStartPosition, high, width, low - high);
if (barColor != Color.Empty)
upBrush.Color = oldBrushColor;
if (candleOutlineColorScript != Color.Empty || barColor != Color.Empty)
Pen.Color = oldPenColor;
}
else
{
Color oldBrushColor = downBrush.Color;
Color oldPenColor = Pen2.Color;
if (barColor != Color.Empty)
downBrush.Color = barColor;
if (candleOutlineColorScript != Color.Empty)
Pen2.Color = candleOutlineColorScript;
else if (barColor != Color.Empty)
Pen2.Color = barColor;
width -= (int) Pen2.Width;
graphics.FillRectangle(downBrush, boxStartPosition, high, width, low - high);
graphics.DrawRectangle(Pen2, boxStartPosition, high, width, low - high);
if (barColor != Color.Empty)
downBrush.Color = oldBrushColor;
if (candleOutlineColorScript != Color.Empty || barColor != Color.Empty)
Pen2.Color = oldPenColor;
}
if (!drawLastBar)
drawLastBar = true;
}
}
