public override void OnRender(ChartControl chartControl, ChartScale chartScale)
{
if (Anchors.All(a => a.IsEditing))
{
return;
}
RenderTarget.AntialiasMode = SharpDX.Direct2D1.AntialiasMode.PerPrimitive;
ChartPanel chartPanel = chartControl.ChartPanels[PanelIndex];
Point anchorStartPoint = StartAnchor.GetPoint(chartControl, chartPanel, chartScale);
Point anchorEndPoint = EndAnchor.GetPoint(chartControl, chartPanel, chartScale);
Point anchorExtensionPoint = ExtensionAnchor.GetPoint(chartControl, chartPanel, chartScale);
Point midPointExtension = new Point((anchorExtensionPoint.X + anchorEndPoint.X) / 2, (anchorExtensionPoint.Y + anchorEndPoint.Y) / 2);
if (CalculationMethod == AndrewsPitchforkCalculationMethod.Schiff)
{
anchorStartPoint = new Point(anchorStartPoint.X, (anchorStartPoint.Y + anchorEndPoint.Y) / 2);
}
else if (CalculationMethod == AndrewsPitchforkCalculationMethod.ModifiedSchiff)
{
anchorStartPoint = new Point((anchorEndPoint.X + anchorStartPoint.X) / 2, (anchorEndPoint.Y + anchorStartPoint.Y) / 2);
}
AnchorLineStroke.RenderTarget = RenderTarget;
RetracementLineStroke.RenderTarget = RenderTarget;
// Align to full pixel to avoid unneeded aliasing
double strokePixAdj = AnchorLineStroke.Width % 2 == 0 ? 0.5d : 0d;
Vector pixelAdjustVec = new Vector(strokePixAdj, strokePixAdj);
SharpDX.Vector2 startVec = (anchorStartPoint + pixelAdjustVec).ToVector2();
SharpDX.Vector2 endVec = (anchorEndPoint + pixelAdjustVec).ToVector2();
SharpDX.Direct2D1.Brush tmpBrush = IsInHitTest ? chartControl.SelectionBrush : AnchorLineStroke.BrushDX;
SharpDX.Vector2 startOriginVec = (StartAnchor.GetPoint(chartControl, chartPanel, chartScale) + pixelAdjustVec).ToVector2();
RenderTarget.DrawLine(startOriginVec, endVec, tmpBrush, AnchorLineStroke.Width, AnchorLineStroke.StrokeStyle);
// Is second anchor set yet? Check both so we correctly re-draw during extension anchor editing
if (ExtensionAnchor.IsEditing && EndAnchor.IsEditing)
{
return;
}
SharpDX.Vector2 extVector = anchorExtensionPoint.ToVector2();
tmpBrush = IsInHitTest ? chartControl.SelectionBrush : RetracementLineStroke.BrushDX;
RenderTarget.DrawLine(endVec, extVector, tmpBrush, RetracementLineStroke.Width, RetracementLineStroke.StrokeStyle);
// If we're doing a hit test pass, don't draw price levels at all, we dont want those to count for
// hit testing
if (IsInHitTest || PriceLevels == null || !PriceLevels.Any())
{
return;
}
SetAllPriceLevelsRenderTarget();
// Calculate total y range for % calculation on each level
double totalPriceRange = EndAnchor.Price - ExtensionAnchor.Price;
double startPrice = ExtensionAnchor.Price;
float minLevelY = float.MaxValue;
float maxLevelY = float.MinValue;
// Store values to use in correct render order
Point lastEndPoint = new Point(0, 0);
Point lastStartPoint = new Point(0, 0);
Stroke lastStroke = null;
List <Tuple <PriceLevel, Point> > textPoints = new List <Tuple <PriceLevel, Point> >();
foreach (PriceLevel priceLevel in PriceLevels.Where(pl => pl.IsVisible && pl.Stroke != null).OrderBy(pl => pl.Value))
{
double levelPrice = (startPrice + ((priceLevel.Value / 100) * totalPriceRange));
float pixelY = chartScale.GetYByValue(levelPrice);
float pixelX = anchorExtensionPoint.X > anchorEndPoint.X ?
priceLevel.Value >= 0 ? (float)(anchorExtensionPoint.X - (Math.Abs((anchorEndPoint.X - anchorExtensionPoint.X) * (priceLevel.Value / 100)))) : (float)(anchorExtensionPoint.X + ((anchorEndPoint.X - anchorExtensionPoint.X) * (priceLevel.Value / 100))):
priceLevel.Value >= 0 ? (float)(anchorExtensionPoint.X + ((anchorEndPoint.X - anchorExtensionPoint.X) * (priceLevel.Value / 100))) : (float)(anchorExtensionPoint.X - (Math.Abs((anchorEndPoint.X - anchorExtensionPoint.X) * (priceLevel.Value / 100))));
Point startPoint = new Point(pixelX, pixelY);
Point endPoint = new Point(startPoint.X + (midPointExtension.X - anchorStartPoint.X), startPoint.Y + (midPointExtension.Y - anchorStartPoint.Y));
Point maxLevelPoint = GetExtendedPoint(startPoint, endPoint);
if (priceLevel.Value == 50)
{
RenderTarget.DrawLine(startVec, maxLevelPoint.ToVector2(), priceLevel.Stroke.BrushDX, priceLevel.Stroke.Width, priceLevel.Stroke.StrokeStyle);
}
else
{
RenderTarget.DrawLine(startPoint.ToVector2(), maxLevelPoint.ToVector2(), priceLevel.Stroke.BrushDX, priceLevel.Stroke.Width, priceLevel.Stroke.StrokeStyle);
}
if (lastStroke == null)
{
lastStroke = new Stroke();
}
else
{
SharpDX.Direct2D1.PathGeometry lineGeometry = new SharpDX.Direct2D1.PathGeometry(Core.Globals.D2DFactory);
SharpDX.Direct2D1.GeometrySink sink = lineGeometry.Open();
sink.BeginFigure(lastEndPoint.ToVector2(), SharpDX.Direct2D1.FigureBegin.Filled);
// Does the fill color need to fill a corner? Check and add a point
if (lastEndPoint.Y != maxLevelPoint.Y && lastEndPoint.X != maxLevelPoint.X)
{
double boundaryX;
double boundaryY;
if (lastEndPoint.Y <= ChartPanel.Y || lastEndPoint.Y >= ChartPanel.Y + ChartPanel.H)
{
boundaryY = lastEndPoint.Y;
boundaryX = maxLevelPoint.X;
}
else
{
boundaryY = maxLevelPoint.Y;
boundaryX = lastEndPoint.X;
}
sink.AddLine(new SharpDX.Vector2((float)boundaryX, (float)boundaryY));
}
sink.AddLine(maxLevelPoint.ToVector2());
sink.AddLine(startPoint.ToVector2());
sink.AddLine(lastStartPoint.ToVector2());
sink.EndFigure(SharpDX.Direct2D1.FigureEnd.Closed);
sink.Close();
RenderTarget.FillGeometry(lineGeometry, lastStroke.BrushDX);
lineGeometry.Dispose();
}
if (IsTextDisplayed)
{
textPoints.Add(new Tuple <PriceLevel, Point>(priceLevel, maxLevelPoint));
}
priceLevel.Stroke.CopyTo(lastStroke);
lastStroke.Opacity = PriceLevelOpacity;
lastStartPoint = startPoint;
lastEndPoint = maxLevelPoint;
minLevelY = Math.Min(pixelY, minLevelY);
maxLevelY = Math.Max(pixelY, maxLevelY);
}
// Render text last so it's on top of the price level colors
if (IsTextDisplayed)
{
foreach (Tuple <PriceLevel, Point> textPoint in textPoints)
{
DrawPriceLevelText(0, 0, textPoint.Item2, textPoint.Item1, chartPanel);
}
}
}
public override void OnRender(ChartControl chartControl, ChartScale chartScale)
{
if (!IsVisible)
{
return;
}
if (Anchors.All(a => a.IsEditing))
{
return;
}
// this will be true right away to fix a restoral issue, so check if we really want to set reward
if (needsRatioUpdate && DrawTarget)
{
SetReward();
}
ChartPanel chartPanel = chartControl.ChartPanels[PanelIndex];
Point entryPoint = EntryAnchor.GetPoint(chartControl, chartPanel, chartScale);
Point stopPoint = RiskAnchor.GetPoint(chartControl, chartPanel, chartScale);
Point targetPoint = RewardAnchor.GetPoint(chartControl, chartPanel, chartScale);
AnchorLineStroke.RenderTarget = RenderTarget;
EntryLineStroke.RenderTarget = RenderTarget;
StopLineStroke.RenderTarget = RenderTarget;
// first of all, turn on anti-aliasing to smooth out our line
RenderTarget.AntialiasMode = SharpDX.Direct2D1.AntialiasMode.PerPrimitive;
RenderTarget.DrawLine(entryPoint.ToVector2(), stopPoint.ToVector2(), AnchorLineStroke.BrushDX, AnchorLineStroke.Width, AnchorLineStroke.StrokeStyle);
double anchorMinX = DrawTarget ? new[] { entryPoint.X, stopPoint.X, targetPoint.X }.Min() : new[] { entryPoint.X, stopPoint.X }.Min();
double anchorMaxX = DrawTarget ? new[] { entryPoint.X, stopPoint.X, targetPoint.X }.Max() : new[] { entryPoint.X, stopPoint.X }.Max();
double lineStartX = IsExtendedLinesLeft ? chartPanel.X : anchorMinX;
double lineEndX = IsExtendedLinesRight ? chartPanel.X + chartPanel.W : anchorMaxX;
SharpDX.Vector2 entryStartVector = new SharpDX.Vector2((float)lineStartX, (float)entryPoint.Y);
SharpDX.Vector2 entryEndVector = new SharpDX.Vector2((float)lineEndX, (float)entryPoint.Y);
SharpDX.Vector2 stopStartVector = new SharpDX.Vector2((float)lineStartX, (float)stopPoint.Y);
SharpDX.Vector2 stopEndVector = new SharpDX.Vector2((float)lineEndX, (float)stopPoint.Y);
// don't try and draw the target stuff until we have calculated the target
SharpDX.Direct2D1.Brush tmpBrush = IsInHitTest ? chartControl.SelectionBrush : AnchorLineStroke.BrushDX;
if (DrawTarget)
{
AnchorLineStroke.RenderTarget = RenderTarget;
RenderTarget.DrawLine(entryPoint.ToVector2(), targetPoint.ToVector2(), tmpBrush, AnchorLineStroke.Width, AnchorLineStroke.StrokeStyle);
TargetLineStroke.RenderTarget = RenderTarget;
SharpDX.Vector2 targetStartVector = new SharpDX.Vector2((float)lineStartX, (float)targetPoint.Y);
SharpDX.Vector2 targetEndVector = new SharpDX.Vector2((float)lineEndX, (float)targetPoint.Y);
tmpBrush = IsInHitTest ? chartControl.SelectionBrush : TargetLineStroke.BrushDX;
RenderTarget.DrawLine(targetStartVector, targetEndVector, tmpBrush, TargetLineStroke.Width, TargetLineStroke.StrokeStyle);
DrawPriceText(RewardAnchor, targetPoint, targetPrice, chartControl, chartPanel, chartScale);
}
tmpBrush = IsInHitTest ? chartControl.SelectionBrush : EntryLineStroke.BrushDX;
RenderTarget.DrawLine(entryStartVector, entryEndVector, tmpBrush, EntryLineStroke.Width, EntryLineStroke.StrokeStyle);
DrawPriceText(EntryAnchor, entryPoint, entryPrice, chartControl, chartPanel, chartScale);
tmpBrush = IsInHitTest ? chartControl.SelectionBrush : StopLineStroke.BrushDX;
RenderTarget.DrawLine(stopStartVector, stopEndVector, tmpBrush, StopLineStroke.Width, StopLineStroke.StrokeStyle);
DrawPriceText(RiskAnchor, stopPoint, stopPrice, chartControl, chartPanel, chartScale);
}
public override void OnMouseDown(ChartControl chartControl, ChartPanel chartPanel, ChartScale chartScale, ChartAnchor dataPoint)
{
switch (DrawingState)
{
case DrawingState.Building:
if (StartAnchor.IsEditing)
{
dataPoint.CopyDataValues(StartAnchor);
// Give end anchor something to start with so we dont try to render it with bad values right away
dataPoint.CopyDataValues(EndAnchor);
StartAnchor.IsEditing = false;
}
else if (EndAnchor.IsEditing)
{
dataPoint.CopyDataValues(EndAnchor);
// Give extension anchor something nearby to start with
dataPoint.CopyDataValues(ExtensionAnchor);
EndAnchor.IsEditing = false;
}
else if (ExtensionAnchor.IsEditing)
{
dataPoint.CopyDataValues(ExtensionAnchor);
ExtensionAnchor.IsEditing = false;
}
// Is initial building done (all anchors set)
if (Anchors.All(a => !a.IsEditing))
{
DrawingState = DrawingState.Normal;
IsSelected = false;
}
break;
case DrawingState.Normal:
Point point = dataPoint.GetPoint(chartControl, chartPanel, chartScale);
editingAnchor = GetClosestAnchor(chartControl, chartPanel, chartScale, cursorSensitivity, point);
if (editingAnchor != null)
{
editingAnchor.IsEditing = true;
DrawingState = DrawingState.Editing;
}
else
{
if (GetCursor(chartControl, chartPanel, chartScale, point) == Cursors.SizeAll)
{
DrawingState = DrawingState.Moving;
}
else if (GetCursor(chartControl, chartPanel, chartScale, point) == Cursors.SizeNESW ||
GetCursor(chartControl, chartPanel, chartScale, point) == Cursors.SizeNWSE)
{
DrawingState = DrawingState.Editing;
}
else if (GetCursor(chartControl, chartPanel, chartScale, point) == Cursors.Arrow)
{
DrawingState = DrawingState.Editing;
}
else if (GetCursor(chartControl, chartPanel, chartScale, point) == null)
{
IsSelected = false;
}
}
break;
}
}