public override void GetMinMaxValues(ChartControl chartControl, ref double min, ref double max)
{
if (Bars == null)
{
return;
}
int lastBar = Math.Min(this.LastBarIndexPainted, Bars.Count - 1);
int firstBar = this.FirstBarIndexPainted;
min = Double.MaxValue;
max = Double.MinValue;
for (int index = firstBar; index <= lastBar; index++)
{
if ((index <= lastcalcbar) && (index >= Math.Max(1, startbar)))
{
min = Math.Min(min, HALow.Get(index));
max = Math.Max(max, HAHigh.Get(index));
}
}
if ((max - min) < 1)
{
min -= 1;
max += 1;
}
}
protected override void OnRender(ChartControl chartControl, ChartScale chartScale)
{
if (Bars == null || ChartControl == null)
{
return;
}
int barPaintWidth = Math.Max(3, 1 + 2 * ((int)ChartControl.BarWidth - 1) + 2 * shadowWidth);
for (int idx = ChartBars.FromIndex; idx <= ChartBars.ToIndex; idx++)
{
if (idx - Displacement < 0 || idx - Displacement >= BarsArray[0].Count || (idx - Displacement < BarsRequiredToPlot))
{
continue;
}
double valH = HAHigh.GetValueAt(idx);
double valL = HALow.GetValueAt(idx);
double valC = HAClose.GetValueAt(idx);
double valO = HAOpen.GetValueAt(idx);
int x = chartControl.GetXByBarIndex(chartControl.BarsArray[0], idx);
int y1 = chartScale.GetYByValue(valO);
int y2 = chartScale.GetYByValue(valH);
int y3 = chartScale.GetYByValue(valL);
int y4 = chartScale.GetYByValue(valC);
SharpDX.Direct2D1.Brush shadowColordx = shadowColor.ToDxBrush(RenderTarget); // prepare for the color to use
var xy2 = new Vector2(x, y2);
var xy3 = new Vector2(x, y3);
RenderTarget.DrawLine(xy2, xy3, shadowColordx, shadowWidth);
if (y4 == y1)
{
RenderTarget.DrawLine(new Vector2(x - barPaintWidth / 2, y1), new Vector2(x + barPaintWidth / 2, y1), shadowColordx, shadowWidth);
}
else
{
if (y4 > y1)
{
SharpDX.Direct2D1.Brush barColorDowndx = barColorDown.ToDxBrush(RenderTarget); // prepare for the color to use
RenderTarget.FillRectangle(new RectangleF(x - barPaintWidth / 2, y1, barPaintWidth, y4 - y1), barColorDowndx);
barColorDowndx.Dispose();
}
else
{
SharpDX.Direct2D1.Brush barColorUpdx = barColorUp.ToDxBrush(RenderTarget); // prepare for the color to use
RenderTarget.FillRectangle(new RectangleF(x - barPaintWidth / 2, y4, barPaintWidth, y1 - y4), barColorUpdx);
barColorUpdx.Dispose();
}
RenderTarget.DrawRectangle(new RectangleF(x - barPaintWidth / 2 + (float)shadowWidth / 2,
Math.Min(y4, y1), barPaintWidth - (float)shadowWidth, Math.Abs(y4 - y1)), shadowColordx, shadowWidth);
}
shadowColordx.Dispose();
}
}
/// <summary>
/// Called on each bar update event (incoming tick)
/// </summary>
protected override void OnBarUpdate()
{
if (CurrentBar < Period)
{
return;
}
if (Displacement + (CalculateOnBarClose ? 1 : 0) > 0 && CurrentBar > 0 && BarColorSeries[1] != Color.Transparent)
{
InitColorSeries();
}
BarColorSeries.Set(Math.Max(0, CurrentBar + Math.Max(0, Displacement) + (CalculateOnBarClose ? 1 : 0)), Color.Transparent);
CandleOutlineColorSeries.Set(Math.Max(0, CurrentBar + Math.Max(0, Displacement) + (CalculateOnBarClose ? 1 : 0)), Color.Transparent);
// Use this method for calculating your indicator values. Assign a value to each
// plot below by replacing 'Close[0]' with your own formula.
PlotEMA_H.Set(CurrentBar == 0 ? High[0] : High[0] * (2.0 / (1 + Period)) + (1 - (2.0 / (1 + Period))) * PlotEMA_H[1]);
PlotEMT_C.Set(CurrentBar == 0 ? Close[0] : Close[0] * (2.0 / (1 + Period)) + (1 - (2.0 / (1 + Period))) * PlotEMT_C[1]);
PlotEMA_L.Set(CurrentBar == 0 ? Low[0] : Low[0] * (2.0 / (1 + Period)) + (1 - (2.0 / (1 + Period))) * PlotEMA_L[1]);
if (CurrentBar == 0)
{
HAOpen.Set(Open[0]);
HAHigh.Set(High[0]);
HALow.Set(Low[0]);
HAClose.Set(Close[0]);
return;
}
if (Close[0] > PlotEMA_H[0])
{
HAOpen.Set(Open[0]);
HAHigh.Set(High[0]);
HALow.Set(Low[0]);
HAClose.Set(Close[0]);
}
//else if (Close[0] < PlotEMA_L[0])
//{
// brushUp = brushRed;
// brushDown = brushMaroon;
// HAOpen.Set(Open[0]);
// HAHigh.Set(High[0]);
// HALow.Set(Low[0]);
// HAClose.Set(Close[0]);
//}
//else
//{
// brushUp = brushLightSteelBlue;
// brushDown = brushSteelBlue;
// HAOpen.Set(Open[0]);
// HAHigh.Set(High[0]);
// HALow.Set(Low[0]);
// HAClose.Set(Close[0]);
//}
}
/// <summary>
/// Called on each bar update event (incoming tick)
/// </summary>
protected override void OnBarUpdate()
{
if (CurrentBar == 0)
{
opens.Update();
highs.Update();
lows.Update();
closes.Update();
haopen = Open[0];
haclose = (High[0] + Low[0] + Close[0] + Open[0]) * 0.25;
HAHigh.Set(High[0]);
HALow.Set(Low[0]);
HAMid.Set((HAHigh[0] + HALow[0]) * 0.5);
return;
}
haopen = (haopen + haclose) * 0.5;
haclose = (highs[0] + lows[0] + opens[0] + closes[0]) * 0.25;
if (haopen < haclose)
{
HAHigh.Set(Math.Max(haclose, highs[0]));
HALow.Set(Math.Min(haopen, lows[0]));
}
else
{
HAHigh.Set(Math.Max(haopen, highs[0]));
HALow.Set(Math.Min(haclose, lows[0]));
}
HAMid.Set((HAHigh[0] + HALow[0]) * 0.5);
Color col;
if (haopen != haclose)
{
isRising = (haopen < haclose);
}
if (isRising)
{
col = ((HALow[0] < haopen)?ltup:upcolor);
}
else
{
col = ((HAHigh[0] > haopen)?ltdn:dncolor);
}
PlotColors[0][0] = col;
PlotColors[1][0] = col;
PlotColors[2][0] = col;
}
public override void Plot(Graphics graphics, Rectangle bounds, double min, double max)
{
base.Plot(graphics, bounds, min, max);
if (Bars == null)
{
return;
}
int lastBar = Math.Min(this.LastBarIndexPainted, Bars.Count - 1);
int firstBar = this.FirstBarIndexPainted;
int x, yHigh, yClose, yOpen, yLow;
using (Pen drawPen = new Pen(Color.Transparent, ShadowWidth), HiLoPen = new Pen(hiloBarColor))
{
for (int index = firstBar; index <= lastBar; index++)
{
if ((index <= lastcalcbar) && (index >= Math.Max(1, startbar)))
{
x = ChartControl.GetXByBarIdx(BarsArray[0], index);
yHigh = ChartControl.GetYByValue(this, HAHigh.Get(index));
yClose = ChartControl.GetYByValue(this, HAClose.Get(index));
yOpen = ChartControl.GetYByValue(this, HAOpen.Get(index));
yLow = ChartControl.GetYByValue(this, HALow.Get(index));
if (Direction.Get(index) > 0)
{
drawPen.Color = BarColorUp;
}
else if (Direction.Get(index) < 0)
{
drawPen.Color = BarColorDown;
}
else
{
drawPen.Color = BarColorWarn;
}
graphics.DrawLine(HiLoPen, x, yHigh, x, yLow);
graphics.DrawLine(drawPen, x, yOpen, x, yClose);
}
}
}
}
public override void Plot(Graphics graphics, Rectangle bounds, double min, double max)
{
if (Bars == null || ChartControl == null)
{
return;
}
int barPaintWidth = Math.Max(3, 1 + 2 * ((int)Bars.BarsData.ChartStyle.BarWidth - 1) + 2 * shadowWidth);
for (int idx = FirstBarIndexPainted; idx <= LastBarIndexPainted; idx++)
{
if (idx - Displacement < 0 || idx - Displacement >= BarsArray[0].Count || (!ChartControl.ShowBarsRequired && idx - Displacement < BarsRequired))
{
continue;
}
double valH = HAHigh.Get(idx);
double valL = HALow.Get(idx);
double valC = HAClose.Get(idx);
double valO = HAOpen.Get(idx);
int x = ChartControl.GetXByBarIdx(BarsArray[0], idx);
int y1 = ChartControl.GetYByValue(this, valO);
int y2 = ChartControl.GetYByValue(this, valH);
int y3 = ChartControl.GetYByValue(this, valL);
int y4 = ChartControl.GetYByValue(this, valC);
graphics.DrawLine(shadowPen, x, y2, x, y3);
if (y4 == y1)
{
graphics.DrawLine(shadowPen, x - barPaintWidth / 2, y1, x + barPaintWidth / 2, y1);
}
else
{
if (y4 > y1)
{
graphics.FillRectangle(brushDown, x - barPaintWidth / 2, y1, barPaintWidth, y4 - y1);
}
else
{
graphics.FillRectangle(brushUp, x - barPaintWidth / 2, y4, barPaintWidth, y1 - y4);
}
graphics.DrawRectangle(shadowPen, (x - barPaintWidth / 2) + (shadowPen.Width / 2), Math.Min(y4, y1), barPaintWidth - shadowPen.Width, Math.Abs(y4 - y1));
}
}
}
/// <summary>
/// Called on each bar update event (incoming tick)
/// </summary>
protected override void OnBarUpdate()
{
habars.update();
HAMid.Set((habars.High + habars.Low) * 0.5);
HAHigh.Set(habars.High);
HALow.Set(habars.Low);
Color col;
if (habars.Open < habars.Close)
{
col = ((habars.Low < habars.Open)?ltup:upcolor);
}
else
{
col = ((habars.High > habars.Open)?ltdn:dncolor);
}
PlotColors[0][0] = col;
PlotColors[1][0] = col;
PlotColors[2][0] = col;
}
protected override void OnTermination()
{
if (HAClose != null)
{
HAClose.Dispose();
}
if (HAOpen != null)
{
HAOpen.Dispose();
}
if (HAHigh != null)
{
HAHigh.Dispose();
}
if (HALow != null)
{
HALow.Dispose();
}
}
public override void GetMinMaxValues(ChartControl chartControl, ref double min, ref double max)
{
if (Bars == null || ChartControl == null)
{
return;
}
for (int idx = FirstBarIndexPainted; idx <= LastBarIndexPainted; idx++)
{
double tmpHigh = HAHigh.Get(idx);
double tmpLow = HALow.Get(idx);
if (tmpHigh != 0 && tmpHigh > max)
{
max = tmpHigh;
}
if (tmpLow != 0 && tmpLow < min)
{
min = tmpLow;
}
}
}
public override void OnCalculateMinMax()
{
base.OnCalculateMinMax();
if (Bars == null || ChartControl == null)
{
return;
}
for (int idx = ChartBars.FromIndex; idx <= ChartBars.ToIndex; idx++)
{
double tmpHigh = HAHigh.GetValueAt(idx);
double tmpLow = HALow.GetValueAt(idx);
if (tmpHigh != 0 && tmpHigh > MaxValue)
{
MaxValue = tmpHigh;
}
if (tmpLow != 0 && tmpLow < MinValue)
{
MinValue = tmpLow;
}
}
}
/// <summary>
/// Called on each bar update event (incoming tick)
/// </summary>
protected override void OnBarUpdate()
{
if (Displacement + (CalculateOnBarClose ? 1 : 0) > 0 && CurrentBar > 0 && BarColorSeries[1] != Color.Transparent)
{
InitColorSeries();
}
BarColorSeries.Set(Math.Max(0, CurrentBar + Math.Max(0, Displacement) + (CalculateOnBarClose ? 1 : 0)), Color.Transparent);
CandleOutlineColorSeries.Set(Math.Max(0, CurrentBar + Math.Max(0, Displacement) + (CalculateOnBarClose ? 1 : 0)), Color.Transparent);
if (CurrentBar == 0)
{
HAOpen.Set(Open[0]);
HAHigh.Set(High[0]);
HALow.Set(Low[0]);
HAClose.Set(Close[0]);
return;
}
HAClose.Set((Open[0] + High[0] + Low[0] + Close[0]) * 0.25); // Calculate the close
HAOpen.Set((HAOpen[1] + HAClose[1]) * 0.5); // Calculate the open
HAHigh.Set(Math.Max(High[0], HAOpen[0])); // Calculate the high
HALow.Set(Math.Min(Low[0], HAOpen[0])); // Calculate the low
}
/// <summary>
/// Called on each bar update event (incoming tick)
/// </summary>
protected override void OnBarUpdate()
{
if (!initialized)
{
if (ChartControl != null && saveDownColor == Color.Empty && ChartControl.ChartStyle.DownColor != Color.Transparent)
{
saveDownColor = ChartControl.ChartStyle.DownColor;
saveUpColor = ChartControl.ChartStyle.UpColor;
// savePen = ChartControl.ChartStyle.Pen;
// Use the defined chart colors
barColorDown = ChartControl.ChartStyle.DownColor;
barColorUp = ChartControl.ChartStyle.UpColor;
// make normal bars invisible
ChartControl.ChartStyle.DownColor = Color.Transparent;
ChartControl.ChartStyle.UpColor = Color.Transparent;
ChartControl.ChartStyle.Pen.Color = Color.Transparent;
//ChartControl.ChartStyle.Pen = new Pen(Color.Transparent);
}
initialized = true;
}
if (CurrentBar == 0)
{
HAOpen.Set(0);
HAHigh.Set(0);
HALow.Set(0);
HAClose.Set(0);
return;
}
// Draw HeikenAshi bars as specified by user
int lastBar = Math.Min(ChartControl.LastBarPainted, Bars.Count - 1);
int firstBar = (lastBar - ChartControl.BarsPainted) + 1;
switch (PaintStyle)
{
case PaintingStyle.PaintVisibleOnly:
if (CurrentBar <= firstBar + 2)
{
return;
}
if (CurrentBar >= lastBar + 1)
{
return;
}
break;
case PaintingStyle.PaintToLast:
if (CurrentBar <= firstBar + 2)
{
return;
}
break;
case PaintingStyle.PaintAll:
//
// break;
//
default:
break;
}
HAClose.Set((HMA(Open, smoothingPeriod)[0] + HMA(High, smoothingPeriod)[0] + HMA(Low, smoothingPeriod)[0] + HMA(Close, smoothingPeriod)[0]) / 4); // Calculate the close
HAOpen.Set((HMA(HAOpen, smoothingPeriod)[1] + HMA(HAClose, smoothingPeriod)[1]) / 2); // Calculate the open
HAHigh.Set(Math.Max(HMA(High, smoothingPeriod)[0], HMA(HAOpen, smoothingPeriod)[0])); // Calculate the high
HALow.Set(Math.Min(HMA(Low, smoothingPeriod)[0], HMA(HAOpen, smoothingPeriod)[0])); // Calculate the low
Color barColor = (HAClose[0] > HAOpen[0] ? BarColorUp : BarColorDown);
Color ShadowColor = (Close[0] > Open[0] ? BarColorUp : BarColorDown);
int BodyWidth = Math.Max(ChartControl.BarWidth + 2, ChartControl.BarSpace - 3);
DrawLine(CurrentBar.ToString(), false, 0, HAHigh[0], 0, HALow[0], ShadowColor, DashStyle.Solid, ShadowWidth);
DrawLine(CurrentBar.ToString() + "OC", false, 0, HAOpen[0], 0, HAClose[0], barColor, DashStyle.Solid, BodyWidth);
}
protected override void OnRender(ChartControl chartControl, ChartScale chartScale)
{
base.OnRender(chartControl, chartScale);
BodyWidth = (int)ChartControl.BarWidth + Math.Min(ShadowWidth * 2, 4);
if (ChartBars != null)
{
// loop through all of the viewable range of the chart
for (int barIndex = ChartBars.FromIndex; barIndex <= ChartBars.ToIndex; barIndex++)
{
if (ShadowColor == Brushes.Transparent)
{
if (Close.GetValueAt(barIndex) > Open.GetValueAt(barIndex))
{
DrawLineNT("BarBrushUp",
barIndex,
HAHigh.GetValueAt(barIndex),
barIndex,
Math.Max(HAClose.GetValueAt(barIndex), HAOpen.GetValueAt(barIndex)),
ShadowWidth,
chartScale);
DrawLineNT("BarBrushUp",
barIndex,
HALow.GetValueAt(barIndex),
barIndex,
Math.Min(HAClose.GetValueAt(barIndex), HAOpen.GetValueAt(barIndex)),
ShadowWidth,
chartScale);
}
else
{
DrawLineNT("BarBrushDown",
barIndex,
HAHigh.GetValueAt(barIndex),
barIndex,
Math.Max(HAClose.GetValueAt(barIndex), HAOpen.GetValueAt(barIndex)),
ShadowWidth,
chartScale);
DrawLineNT("BarBrushDown",
barIndex,
HALow.GetValueAt(barIndex),
barIndex,
Math.Min(HAClose.GetValueAt(barIndex), HAOpen.GetValueAt(barIndex)),
ShadowWidth,
chartScale);
}
}
else
{
DrawLineNT("ShadowBrush",
barIndex,
HAHigh.GetValueAt(barIndex),
barIndex,
Math.Max(HAClose.GetValueAt(barIndex), HAOpen.GetValueAt(ShadowWidth)),
ShadowWidth,
chartScale);
DrawLineNT("ShadowBrush",
barIndex,
HALow.GetValueAt(barIndex),
barIndex,
Math.Min(HAClose.GetValueAt(barIndex), HAOpen.GetValueAt(ShadowWidth)),
ShadowWidth,
chartScale);
}
if (HAClose.GetValueAt(barIndex) > HAOpen.GetValueAt(barIndex))
{
DrawLineNT("BarBrushUp",
barIndex,
HAOpen.GetValueAt(barIndex),
barIndex,
HAClose.GetValueAt(barIndex),
BodyWidth,
chartScale);
}
else
{
DrawLineNT("BarBrushDown",
barIndex,
HAOpen.GetValueAt(barIndex),
barIndex,
HAClose.GetValueAt(barIndex),
BodyWidth,
chartScale);
}
}
// Draw price line if wanted
if (ShowPriceLine)
{
DrawLineNT("PriceLineBrush",
Math.Max(PriceLineLength, CurrentBar - 15),
Close.GetValueAt(CurrentBar),
CurrentBar,
Close.GetValueAt(CurrentBar),
PriceLineWidth,
PriceLineStyle,
chartScale);
DrawStringNT(" -- " + Close.GetValueAt(CurrentBar).ToString() + " = Last Price",
Font,
"PriceTextBrush",
CurrentBar,
Close.GetValueAt(CurrentBar),
"PriceAreaBrush",
chartScale);
}
}
}