private void DrawLine(DXMediaBrush brush, double x1, double y1, double x2, double y2, float width, DashStyleHelper dashStyle)
{
SharpDX.Direct2D1.StrokeStyleProperties ssProps = new SharpDX.Direct2D1.StrokeStyleProperties();
if (dashStyle == DashStyleHelper.Dash)
{
ssProps.DashStyle = SharpDX.Direct2D1.DashStyle.Dash;
}
if (dashStyle == DashStyleHelper.DashDot)
{
ssProps.DashStyle = SharpDX.Direct2D1.DashStyle.DashDot;
}
if (dashStyle == DashStyleHelper.DashDotDot)
{
ssProps.DashStyle = SharpDX.Direct2D1.DashStyle.DashDotDot;
}
if (dashStyle == DashStyleHelper.Dot)
{
ssProps.DashStyle = SharpDX.Direct2D1.DashStyle.Dot;
}
if (dashStyle == DashStyleHelper.Solid)
{
ssProps.DashStyle = SharpDX.Direct2D1.DashStyle.Solid;
}
SharpDX.Direct2D1.StrokeStyle strokeStyle = new SharpDX.Direct2D1.StrokeStyle(Core.Globals.D2DFactory, ssProps);
SharpDX.Vector2 startPoint = new System.Windows.Point(x1, y1).ToVector2();
SharpDX.Vector2 endPoint = new System.Windows.Point(x2, y2).ToVector2();
RenderTarget.DrawLine(startPoint, endPoint, brush.DxBrush, width, strokeStyle);
strokeStyle.Dispose();
strokeStyle = null;
}
private void DrawString(string text, SimpleFont font, DXMediaBrush brush, double pointX, double pointY, DXMediaBrush areaBrush)
{
SharpDX.DirectWrite.TextFormat textFormat = font.ToDirectWriteTextFormat();
SharpDX.DirectWrite.TextLayout textLayout =
new SharpDX.DirectWrite.TextLayout(NinjaTrader.Core.Globals.DirectWriteFactory,
text, textFormat, ChartPanel.X + ChartPanel.W,
textFormat.FontSize);
float newW = textLayout.Metrics.Width;
float newH = textLayout.Metrics.Height;
SharpDX.Vector2 TextPlotPoint = new System.Windows.Point(pointX - newW, pointY - textLayout.Metrics.Height / 2 - 1).ToVector2();
SharpDX.RectangleF PLBoundRect = new SharpDX.RectangleF((float)pointX - newW - 4, (float)pointY - textLayout.Metrics.Height / 2 - 1, newW + 6, newH + 2);
SharpDX.Direct2D1.RoundedRectangle PLRoundedRect = new SharpDX.Direct2D1.RoundedRectangle();
PLRoundedRect.RadiusX = newW / 4;
PLRoundedRect.RadiusY = newH / 4;
PLRoundedRect.Rect = PLBoundRect;
RenderTarget.FillRoundedRectangle(PLRoundedRect, areaBrush.DxBrush);
RenderTarget.DrawTextLayout(TextPlotPoint, textLayout, brush.DxBrush, SharpDX.Direct2D1.DrawTextOptions.NoSnap);
textLayout.Dispose();
textLayout = null;
textFormat.Dispose();
textFormat = null;
}
protected override void OnStateChange()
{
if (State == State.SetDefaults)
{
Description = @"Places a marker on the chart displaying where the current price is.";
Name = "CurrentPriceMarker";
Calculate = Calculate.OnPriceChange;
IsOverlay = true;
DisplayInDataBox = true;
DrawOnPricePanel = true;
DrawHorizontalGridLines = true;
DrawVerticalGridLines = true;
PaintPriceMarkers = true;
ScaleJustification = NinjaTrader.Gui.Chart.ScaleJustification.Right;
//Disable this property if your indicator requires custom values that cumulate with each new market data event.
//See Help Guide for additional information.
IsSuspendedWhileInactive = true;
Font = new SimpleFont("Arial", 10);
PriceLineColor = Brushes.RoyalBlue;
PriceTextColor = Brushes.White;
PriceAreaColor = Brushes.Black;
PriceLineLength = 15;
PriceLineWidth = 2;
PriceLineStyle = DashStyleHelper.Dash;
PriceLineOpacity = 50;
}
else if (State == State.Configure)
{
// Create our DXMediaBrushes
PriceLineBrush = new DXMediaBrush();
PriceTextBrush = new DXMediaBrush();
PriceAreaBrush = new DXMediaBrush();
// Set our DXMediaBrush properties
PriceLineBrush.UpdateBrush(RenderTarget, PriceLineColor, PriceLineOpacity);
PriceTextBrush.UpdateBrush(RenderTarget, PriceTextColor, PriceLineOpacity);
PriceAreaBrush.UpdateBrush(RenderTarget, PriceAreaColor, PriceLineOpacity);
}
}
protected override void OnStateChange()
{
if (State == State.SetDefaults)
{
Description = @"Demonstration script using the SharpDXHelper class for managed custom rendering";
Name = "SharpDXHelperExample";
Calculate = Calculate.OnBarClose;
IsOverlay = true;
DisplayInDataBox = true;
DrawOnPricePanel = true;
DrawHorizontalGridLines = true;
DrawVerticalGridLines = true;
PaintPriceMarkers = true;
ScaleJustification = NinjaTrader.Gui.Chart.ScaleJustification.Right;
//Disable this property if your indicator requires custom values that cumulate with each new market data event.
//See Help Guide for additional information.
IsSuspendedWhileInactive = true;
// Set defaults for our properties, can be assigned to our DX/Media Brush in states from State.DataLoaded to State.Historical
LineBrush = Brushes.RoyalBlue;
LineBrushWidth = 2;
LineBrushOpacity = 50.0;
RectangleBrush = Brushes.LightGreen;
RectangleBorderBrush = Brushes.Green;
RectangleBrushWidth = 5;
RectangleBrushOpacity = 10.0;
RoundedRectangleBrush = Brushes.DarkGreen;
RoundedRectangleBorderBrush = Brushes.LimeGreen;
RoundedRectangleBrushWidth = 5;
RoundedRectangleBrushOpacity = 10.0;
EllipseBrush = Brushes.DarkRed;
EllipseBrushWidth = 5;
EllipseBrushOpacity = 40.0;
string image1Path = System.IO.Path.Combine(NinjaTrader.Core.Globals.UserDataDir, "SharpDXHelper.png");
Image1Path = System.IO.File.Exists(image1Path) ? image1Path : String.Empty;
Image1Opacity = 30.0f;
string image2Path = System.IO.Path.Combine(NinjaTrader.Core.Globals.UserDataDir, "SharpDXHelper2.png");
Image2Path = System.IO.File.Exists(image2Path) ? image2Path : String.Empty;
Image2Opacity = 20.0f;
}
else if (State == State.DataLoaded)
{
// Create a Series<bool> to tell if we want to draw something for a particular bar, must have MaximumBarsLookBack.Infinite.
// This is more efficient than calculating what should be rendered during OnRender(), where we should only worry about how things should be rendered.
DrawSeries = new Series <bool>(this, MaximumBarsLookBack.Infinite);
// Create a list of brush names for us to manage with the helper class' "DXMediaBrush" Dictionary
string[] brushes = new string[] { "LineBrush", "RectBrush", "RectBorderBrush", "RoundedRectBrush", "RoundedRectBorderBrush", "EllipseBrush" };
// If we use resourses managed by the helper class (bitmaps and internally managed brushes created from Windows Media Brush references)
// and want to use a timer to clear brushes after a certain period of time, ChartControl must be used with the constructor for the resource timer and cannot be null
if (ChartControl != null)
{
// Create new instance of the Helper Class
// We are using managed brushes in this example, and have a 5 minute refresh period
// minutesToRefersh values of 0 or less will not create a timer for brush disposal
// This is useful for cleaning up programmatically created brushes that may not always be reused thorught a NinjaScript's life.
DXH = new DXHelper(true, ChartControl, 0);
// Add the brushes we defined in our brushes list
DXH.AddBrushes(brushes);
// Set our brushes to the values we would like
DXH.UpdateBrush(RenderTarget, "LineBrush", LineBrush, LineBrushOpacity);
DXH.UpdateBrush(RenderTarget, "RectBrush", RectangleBrush, RectangleBrushOpacity);
DXH.UpdateBrush(RenderTarget, "RectBorderBrush", RectangleBorderBrush, RectangleBrushOpacity);
DXH.UpdateBrush(RenderTarget, "RoundedRectBrush", RoundedRectangleBrush, RoundedRectangleBrushOpacity);
DXH.UpdateBrush(RenderTarget, "RoundedRectBorderBrush", RoundedRectangleBorderBrush, RoundedRectangleBrushOpacity);
DXH.UpdateBrush(RenderTarget, "EllipseBrush", EllipseBrush, EllipseBrushOpacity);
}
// Create a DXMediaBrush
DXMBrush = new DXMediaBrush();
DXMBrush.UpdateBrush(RenderTarget, LineBrush, LineBrushOpacity);
// Apply Opacity to LineBrush (used for User Defined Media Brush Demonstration. See overlay line 5.)
LineBrush = LineBrush.Clone();
LineBrush.Opacity = LineBrushOpacity / 100.0;
LineBrush.Freeze();
}
else if (State == State.Terminated)
{
// Dispose of the resources created by our helper class.
if (DXH != null)
{
DXH.Dispose();
}
}
}
