// TODO: Disabled for now, need sure recntangels are drawn historically and for all price zones private void RenderPriceZoneAreas(ChartControl chartControl, ChartScale chartScale, int barIndex, int plotIndex) { SharpDX.RectangleF rectangleF = new SharpDX.RectangleF(); DateTime tm = ChartBars.GetTimeByBarIdx(chartControl, barIndex).Date; PriceZone zone = zonesList[tm]; rectangleF.Top = chartScale.GetYByValue(zone.ZoneStrong); rectangleF.Bottom = chartScale.GetYByValue(zone.ZoneWeak); rectangleF.Left = chartControl.GetXByTime(zone.StartTime); rectangleF.Right = ChartControl.GetXByTime(zone.EndTime); Brush tmpBrush = Plots[plotIndex].Brush.Clone(); tmpBrush.Opacity = .05; tmpBrush.Freeze(); RenderTarget.FillRectangle(rectangleF, tmpBrush.ToDxBrush(RenderTarget)); }
protected override Point[] OnGetSelectionPoints(ChartControl chartControl, ChartScale chartScale) { if (!IsSelected || Count == 0 || Plots[0].Brush.IsTransparent() || startIndex == int.MinValue) { return(new System.Windows.Point[0]); } List <System.Windows.Point> points = new List <System.Windows.Point>(); int lastIndex = Calculate == NinjaTrader.NinjaScript.Calculate.OnBarClose ? ChartBars.ToIndex - 1 : ChartBars.ToIndex - 2; for (int i = Math.Max(0, ChartBars.FromIndex - Displacement); i <= Math.Max(lastIndex, Math.Min(Bars.Count - (Calculate == NinjaTrader.NinjaScript.Calculate.OnBarClose ? 2 : 1), lastIndex - Displacement)); i++) { int x = (chartControl.BarSpacingType == BarSpacingType.TimeBased || chartControl.BarSpacingType == BarSpacingType.EquidistantMulti && i + Displacement >= ChartBars.Count ? chartControl.GetXByTime(ChartBars.GetTimeByBarIdx(chartControl, i + Displacement)) : chartControl.GetXByBarIndex(ChartBars, i + Displacement)); if (Value.IsValidDataPointAt(i)) { points.Add(new System.Windows.Point(x, chartScale.GetYByValue(Value.GetValueAt(i)))); } } return(points.ToArray()); }
protected override void OnBarUpdate() { if (CurrentBar < 0) { return; } // High Trend Line int swingHighBar = swing.SwingHighBar(0, 1, Strength + 1); if (swingHighBar != -1) { double swingHighPrice = !(Input is PriceSeries || Input is Bars) ? Input[swingHighBar] : High[swingHighBar]; if (swingHighPrice < lastHighPrice && lastHighBar > -1) { highTrend = new TrendRay(lastHighBar, lastHighPrice, CurrentBar - swingHighBar, swingHighPrice) { IsHigh = true }; trendLines.Enqueue(highTrend); highTrendIsActive = true; alertIsArmed = true; } lastHighBar = CurrentBar - swingHighBar; lastHighPrice = swingHighPrice; } // Low Trend Line int swingLowBar = swing.SwingLowBar(0, 1, Strength + 1); if (swingLowBar != -1) { double swingLowPrice = !(Input is PriceSeries || Input is Bars) ? Input[swingLowBar] : Low[swingLowBar]; if (swingLowPrice > lastLowPrice && lastLowBar > -1) { lowTrend = new TrendRay(lastLowBar, lastLowPrice, CurrentBar - swingLowBar, swingLowPrice); trendLines.Enqueue(lowTrend); highTrendIsActive = false; alertIsArmed = true; } lastLowBar = CurrentBar - swingLowBar; lastLowPrice = swingLowPrice; } if (highTrendIsActive.HasValue) { if (ChartControl == null || ChartControl.BarSpacingType == BarSpacingType.TimeBased) { if (highTrendIsActive.Value) { double slope = (highTrend.EndPrice - highTrend.StartPrice) / (highTrend.EndBar - highTrend.StartBar); Values[0][0] = slope * CurrentBar - (slope * highTrend.StartBar - highTrend.StartPrice); } else { double slope = (lowTrend.EndPrice - lowTrend.StartPrice) / (lowTrend.EndBar - lowTrend.StartBar); Values[0][0] = slope * CurrentBar - (slope * lowTrend.StartBar - lowTrend.StartPrice); } } else { if (highTrendIsActive.Value) { double startSlotIndex = ChartControl.GetSlotIndexByTime(ChartBars.GetTimeByBarIdx(ChartControl, highTrend.StartBar)); double endSlotIndex = ChartControl.GetSlotIndexByTime(ChartBars.GetTimeByBarIdx(ChartControl, highTrend.EndBar)); double curSlotIndex = ChartControl.GetSlotIndexByTime(Time[0]); double slope = (highTrend.EndPrice - highTrend.StartPrice) / (endSlotIndex - startSlotIndex); Values[0][0] = slope * curSlotIndex - (slope * startSlotIndex - highTrend.StartPrice); } else { double startSlotIndex = ChartControl.GetSlotIndexByTime(ChartBars.GetTimeByBarIdx(ChartControl, lowTrend.StartBar)); double endSlotIndex = ChartControl.GetSlotIndexByTime(ChartBars.GetTimeByBarIdx(ChartControl, lowTrend.EndBar)); double curSlotIndex = ChartControl.GetSlotIndexByTime(Time[0]); double slope = (lowTrend.EndPrice - lowTrend.StartPrice) / (endSlotIndex - startSlotIndex); Values[0][0] = slope * curSlotIndex - (slope * startSlotIndex - lowTrend.StartPrice); } } if (State == State.Realtime && AlertOnBreak && alertIsArmed) { if (CrossAbove(Input, Values[0][0], 1) || CrossBelow(Input, Values[0][0], 1)) { Alert(string.Empty, Priority.High, string.Format(NinjaTrader.Custom.Resource.TrendLinesTrendLineBroken, highTrendIsActive.Value ? NinjaTrader.Custom.Resource.TrendLinesTrendLineHigh: NinjaTrader.Custom.Resource.TrendLinesTrendLineLow), AlertOnBreakSound, 0, Brushes.Transparent, highTrendIsActive.Value ? TrendLineHighStroke.Brush : TrendLineLowStroke.Brush); alertIsArmed = false; } } } }
protected override void OnRender(Gui.Chart.ChartControl chartControl, Gui.Chart.ChartScale chartScale) { if (Bars == null || chartControl == null || startIndex == int.MinValue) { return; } IsValidDataPointAt(Bars.Count - 1 - (Calculate == NinjaTrader.NinjaScript.Calculate.OnBarClose ? 1 : 0)); // Make sure indicator is calculated until last (existing) bar int preDiff = 1; for (int i = ChartBars.FromIndex - 1; i >= 0; i--) { if (i - Displacement < startIndex || i - Displacement > Bars.Count - 1 - (Calculate == NinjaTrader.NinjaScript.Calculate.OnBarClose ? 1 : 0)) { break; } bool isHigh = zigZagHighZigZags.IsValidDataPointAt(i - Displacement); bool isLow = zigZagLowZigZags.IsValidDataPointAt(i - Displacement); if (isHigh || isLow) { break; } preDiff++; } preDiff -= (Displacement < 0 ? Displacement : 0 - Displacement); int postDiff = 0; for (int i = ChartBars.ToIndex; i <= zigZagHighZigZags.Count; i++) { if (i - Displacement < startIndex || i - Displacement > Bars.Count - 1 - (Calculate == NinjaTrader.NinjaScript.Calculate.OnBarClose ? 1 : 0)) { break; } bool isHigh = zigZagHighZigZags.IsValidDataPointAt(i - Displacement); bool isLow = zigZagLowZigZags.IsValidDataPointAt(i - Displacement); if (isHigh || isLow) { break; } postDiff++; } postDiff += (Displacement < 0 ? 0 - Displacement : Displacement); int lastIdx = -1; double lastValue = -1; SharpDX.Direct2D1.PathGeometry g = null; SharpDX.Direct2D1.GeometrySink sink = null; for (int idx = ChartBars.FromIndex - preDiff; idx <= ChartBars.ToIndex + postDiff; idx++) { if (idx < startIndex || idx > Bars.Count - (Calculate == NinjaTrader.NinjaScript.Calculate.OnBarClose ? 2 : 1) || idx < Math.Max(BarsRequiredToPlot - Displacement, Displacement)) { continue; } bool isHigh = zigZagHighZigZags.IsValidDataPointAt(idx); bool isLow = zigZagLowZigZags.IsValidDataPointAt(idx); if (!isHigh && !isLow) { continue; } double value = isHigh ? zigZagHighZigZags.GetValueAt(idx) : zigZagLowZigZags.GetValueAt(idx); if (lastIdx >= startIndex) { float x1 = (chartControl.BarSpacingType == BarSpacingType.TimeBased || chartControl.BarSpacingType == BarSpacingType.EquidistantMulti && idx + Displacement >= ChartBars.Count ? chartControl.GetXByTime(ChartBars.GetTimeByBarIdx(chartControl, idx + Displacement)) : chartControl.GetXByBarIndex(ChartBars, idx + Displacement)); float y1 = chartScale.GetYByValue(value); if (sink == null) { float x0 = (chartControl.BarSpacingType == BarSpacingType.TimeBased || chartControl.BarSpacingType == BarSpacingType.EquidistantMulti && lastIdx + Displacement >= ChartBars.Count ? chartControl.GetXByTime(ChartBars.GetTimeByBarIdx(chartControl, lastIdx + Displacement)) : chartControl.GetXByBarIndex(ChartBars, lastIdx + Displacement)); float y0 = chartScale.GetYByValue(lastValue); g = new SharpDX.Direct2D1.PathGeometry(Core.Globals.D2DFactory); sink = g.Open(); sink.BeginFigure(new SharpDX.Vector2(x0, y0), SharpDX.Direct2D1.FigureBegin.Hollow); } sink.AddLine(new SharpDX.Vector2(x1, y1)); } // Save as previous point lastIdx = idx; lastValue = value; } if (sink != null) { sink.EndFigure(SharpDX.Direct2D1.FigureEnd.Open); sink.Close(); } if (g != null) { var oldAntiAliasMode = RenderTarget.AntialiasMode; RenderTarget.AntialiasMode = SharpDX.Direct2D1.AntialiasMode.PerPrimitive; RenderTarget.DrawGeometry(g, Plots[0].BrushDX, Plots[0].Width, Plots[0].StrokeStyle); RenderTarget.AntialiasMode = oldAntiAliasMode; g.Dispose(); RemoveDrawObject("NinjaScriptInfo"); } else { Draw.TextFixed(this, "NinjaScriptInfo", NinjaTrader.Custom.Resource.ZigZagDeviationValueError, TextPosition.BottomRight); } }
public override void OnRender(ChartControl chartControl, ChartScale chartScale) { if (Series1 == null) { return; } NinjaScriptBase nsb = AttachedTo.ChartObject as NinjaScriptBase; ChartBars chartBars = (AttachedTo.ChartObject as Gui.NinjaScript.IChartBars).ChartBars; if (nsb == null || chartBars == null || Math.Abs(Series1.Count - chartBars.Count) > 1) { return; } int startBarIdx; int endBarIdx; if (chartControl.BarSpacingType == BarSpacingType.TimeBased) { startBarIdx = chartBars.GetBarIdxByTime(chartControl, StartAnchor.Time); endBarIdx = chartBars.GetBarIdxByTime(chartControl, EndAnchor.Time); } else { startBarIdx = StartAnchor.DrawnOnBar - StartAnchor.BarsAgo; endBarIdx = EndAnchor.DrawnOnBar - EndAnchor.BarsAgo; if (startBarIdx == endBarIdx) { startBarIdx = chartBars.GetBarIdxByTime(chartControl, StartAnchor.Time); endBarIdx = chartBars.GetBarIdxByTime(chartControl, EndAnchor.Time); } } int startIdx = Math.Min(startBarIdx, endBarIdx); int endIdx = Math.Max(startBarIdx, endBarIdx); // Now cap start/end by visibly painted bars! // If you dont do this it will absolutely crush performance on larger regions int firstVisibleIdx = Math.Max(nsb.BarsRequiredToPlot + Displacement, chartBars.GetBarIdxByTime(chartControl, chartControl.GetTimeByX(0)) - 1); int lastVisibleIdx = Math.Max(chartBars.ToIndex, chartBars.GetBarIdxByTime(chartControl, chartControl.LastTimePainted)) + 1; // Update indicies for displacement startIdx = Math.Max(0, Math.Max(firstVisibleIdx, startIdx + Displacement)); endIdx = Math.Max(0, Math.Min(endIdx + Displacement, lastVisibleIdx)); // we're completely not visible if (startIdx > lastVisibleIdx || endIdx < firstVisibleIdx) { return; } /* NOTE: Calling GetValueAt() on an ISeries<double> interface with a concrete * type of NinjaScriptBase will get the *bar* value which is not what we want, * in this case, default to first values (indicator) series */ ISeries <double> series1Adjusted = Series1; ISeries <double> series2Adjusted = Series2; NinjaScriptBase series1NsBase = Series1 as NinjaScriptBase; if (series1NsBase != null) { series1Adjusted = series1NsBase.Value; } if (series1Adjusted == null) { return; } NinjaScriptBase series2NsBase = Series2 as NinjaScriptBase; if (series2NsBase != null) { series2Adjusted = series2NsBase.Value; } // take care to wind the points correctly so our geometry builds as a solid, not flipped inside out SharpDX.Vector2[] points; SharpDX.Vector2[] points2 = new SharpDX.Vector2[0]; int pointIdx = 0; int pointIdx2 = 0; if (series2Adjusted == null) { points = new SharpDX.Vector2[endIdx - startIdx + 1 + 2]; for (int i = startIdx; i <= endIdx; ++i) { if (i < Math.Max(0, Displacement) || i > Math.Max(chartBars.Count - (nsb.Calculate == Calculate.OnBarClose ? 2 : 1) + Displacement, endIdx)) { continue; } int displacedIndex = Math.Min(chartBars.Count - (nsb.Calculate == Calculate.OnBarClose ? 2 : 1), Math.Max(0, i - Displacement)); double seriesValue = series1Adjusted.GetValueAt(displacedIndex); float y = chartScale.GetYByValue(seriesValue); float x = chartControl.BarSpacingType == BarSpacingType.TimeBased || chartControl.BarSpacingType == BarSpacingType.EquidistantMulti && i >= chartBars.Count //i is already displaced ? chartControl.GetXByTime(chartBars.GetTimeByBarIdx(chartControl, i)) : chartControl.GetXByBarIndex(chartBars, i); double pixXAdjust = x % 1 != 0 ? 0 : 0.5d; double pixYAdjust = y % 1 != 0 ? 0 : 0.5d; Vector pixelAdjustVec = new Vector(pixXAdjust, pixYAdjust); Point adjusted = new Point(x, y) + pixelAdjustVec; points[pointIdx] = adjusted.ToVector2(); ++pointIdx; } // cap it end->start points[pointIdx].X = chartControl.BarSpacingType == BarSpacingType.TimeBased || chartControl.BarSpacingType == BarSpacingType.EquidistantMulti && endIdx >= chartBars.Count ? chartControl.GetXByTime(chartBars.GetTimeByBarIdx(chartControl, endIdx)) : chartControl.GetXByBarIndex(chartBars, endIdx); points[pointIdx++].Y = chartScale.GetYByValue(Math.Max(chartScale.MinValue, Math.Min(chartScale.MaxValue, Price))); points[pointIdx].X = chartControl.BarSpacingType == BarSpacingType.TimeBased || chartControl.BarSpacingType == BarSpacingType.EquidistantMulti && startIdx >= chartBars.Count ? chartControl.GetXByTime(chartBars.GetTimeByBarIdx(chartControl, startIdx)) : chartControl.GetXByBarIndex(chartBars, startIdx); points[pointIdx++].Y = chartScale.GetYByValue(Math.Max(chartScale.MinValue, Math.Min(chartScale.MaxValue, Price))); } else { points = new SharpDX.Vector2[endIdx - startIdx + 1]; points2 = new SharpDX.Vector2[endIdx - startIdx + 1]; // fill clockwise from series1, the counter clockwise for series 2 for correct point poly winding for (int i = startIdx; i <= endIdx; ++i) { if (i < Math.Max(0, Displacement) || i > Math.Max(chartBars.Count - (nsb.Calculate == Calculate.OnBarClose ? 2 : 1) + Displacement, endIdx)) { continue; } int displacedIndex = Math.Min(chartBars.Count - (nsb.Calculate == Calculate.OnBarClose ? 2 : 1), Math.Max(0, i - Displacement)); float x = chartControl.BarSpacingType == BarSpacingType.TimeBased || chartControl.BarSpacingType == BarSpacingType.EquidistantMulti && i >= chartBars.Count //i is already displaced ? chartControl.GetXByTime(chartBars.GetTimeByBarIdx(chartControl, i)) : chartControl.GetXByBarIndex(chartBars, i); if (!series1Adjusted.IsValidDataPointAt(displacedIndex)) { continue; } double seriesValue = series1Adjusted.GetValueAt(displacedIndex); float y = chartScale.GetYByValue(seriesValue); double pixXAdjust = x % 1 != 0 ? 0 : 0.5d; double pixYAdjust = y % 1 != 0 ? 0 : 0.5d; Vector pixelAdjustVec = new Vector(pixXAdjust, pixYAdjust); Point adjusted = new Point(x, y) + pixelAdjustVec; points[pointIdx] = adjusted.ToVector2(); ++pointIdx; if (!series2Adjusted.IsValidDataPointAt(displacedIndex)) { continue; } seriesValue = series2Adjusted.GetValueAt(displacedIndex); y = chartScale.GetYByValue(seriesValue); pixYAdjust = y % 1 != 0 ? 0 : 0.5d; pixelAdjustVec = new Vector(pixXAdjust, pixYAdjust); adjusted = new Point(x, y) + pixelAdjustVec; points2[pointIdx2] = adjusted.ToVector2(); ++pointIdx2; } } if (pointIdx + pointIdx2 > 2) { RenderTarget.AntialiasMode = SharpDX.Direct2D1.AntialiasMode.PerPrimitive; if (OutlineStroke != null) { OutlineStroke.RenderTarget = RenderTarget; } if (AreaBrush != null) { if (areaBrushDevice.Brush == null) { Brush brushCopy = areaBrush.Clone(); brushCopy.Opacity = areaOpacity / 100d; areaBrushDevice.Brush = brushCopy; } areaBrushDevice.RenderTarget = RenderTarget; } SharpDX.Direct2D1.PathGeometry polyGeo = new SharpDX.Direct2D1.PathGeometry(Core.Globals.D2DFactory); SharpDX.Direct2D1.GeometrySink geoSink = polyGeo.Open(); double pixXAdjust = points[0].X % 1 != 0 ? 0 : 0.5d; double pixYAdjust = points[0].Y % 1 != 0 ? 0 : 0.5d; Vector pixelAdjustVec = new Vector(pixXAdjust, pixYAdjust); Point startPt = new Point(points[0].X, points[0].Y) + pixelAdjustVec; geoSink.BeginFigure(startPt.ToVector2(), SharpDX.Direct2D1.FigureBegin.Filled); geoSink.SetFillMode(SharpDX.Direct2D1.FillMode.Winding); // NOTE: We skip our first point since that is where the path will start for (int i = 1; i < pointIdx; i++) { geoSink.AddLine(points[i]); } for (int i = pointIdx2 - 1; i >= 0; i--) { geoSink.AddLine(points2[i]); } geoSink.EndFigure(SharpDX.Direct2D1.FigureEnd.Closed); geoSink.Close(); SharpDX.Direct2D1.Brush tmpBrush = IsInHitTest ? chartControl.SelectionBrush : areaBrushDevice == null ? null : areaBrushDevice.BrushDX; if (tmpBrush != null) { RenderTarget.FillGeometry(polyGeo, tmpBrush); } tmpBrush = IsInHitTest ? chartControl.SelectionBrush : OutlineStroke == null ? null : OutlineStroke.BrushDX; if (tmpBrush != null) { RenderTarget.DrawGeometry(polyGeo, OutlineStroke.BrushDX, OutlineStroke.Width); } polyGeo.Dispose(); } }