public void FillPolygon(DUIBrush brush, PointF[] points)
{
bool closed = true;
if (points == null)
{
return;
}
if (points.Length < 3)
{
return;
}
brush.RenderTarget = this.target;
using (SharpDX.Direct2D1.PathGeometry pathGeometry = new SharpDX.Direct2D1.PathGeometry(this.target.RenderTarget.Factory))
using (SharpDX.Direct2D1.GeometrySink geometrySink = pathGeometry.Open())
{
geometrySink.SetFillMode(SharpDX.Direct2D1.FillMode.Alternate);
geometrySink.BeginFigure(DxConvert.ToVector2(points[0]), SharpDX.Direct2D1.FigureBegin.Filled);
for (int i = 1; i < points.Length; i++)
{
geometrySink.AddLine(DxConvert.ToVector2(points[i]));
}
geometrySink.EndFigure(closed ? SharpDX.Direct2D1.FigureEnd.Closed : SharpDX.Direct2D1.FigureEnd.Open);
geometrySink.Close();
this.target.RenderTarget.FillGeometry(pathGeometry, brush);
}
}
public void DrawImage(DUIImage image, PointF[] polygon, GraphicsUnit srcUnit, float opacity)
{
image.RenderTarget = this.target;
using (DirectUI.Common.DUIBitmapBrush dbs = new DirectUI.Common.DUIBitmapBrush(image, DUIExtendMode.Clamp, opacity))
using (SharpDX.Direct2D1.PathGeometry pathGeometry = new SharpDX.Direct2D1.PathGeometry(this.target.RenderTarget.Factory))
using (SharpDX.Direct2D1.GeometrySink gs1 = pathGeometry.Open())
{
dbs.RenderTarget = this.target;
gs1.SetFillMode(SharpDX.Direct2D1.FillMode.Alternate);
gs1.BeginFigure(DxConvert.ToVector2(polygon[0]), SharpDX.Direct2D1.FigureBegin.Filled);
for (int i = 1; i < polygon.Length; i++)
{
gs1.AddLine(DxConvert.ToVector2(polygon[i]));
}
gs1.EndFigure(SharpDX.Direct2D1.FigureEnd.Closed);
gs1.Close();
this.target.RenderTarget.FillGeometry(pathGeometry, dbs);
}
}
public void DrawImage(DUIImage image, PointF[] destTriangle, PointF[] srcTriangle, GraphicsUnit srcUnit, float opacity)
{
PointF t1 = destTriangle[0];
PointF t2 = destTriangle[1];
PointF t3 = destTriangle[2];
image.RenderTarget = this.target;
using (DirectUI.Common.DUIBitmapBrush dbs = new DirectUI.Common.DUIBitmapBrush(image, DUIExtendMode.Clamp, opacity))
using (SharpDX.Direct2D1.PathGeometry pathGeometry = new SharpDX.Direct2D1.PathGeometry(this.target.RenderTarget.Factory))
using (SharpDX.Direct2D1.GeometrySink gs1 = pathGeometry.Open())
{
dbs.RenderTarget = this.target;
gs1.SetFillMode(SharpDX.Direct2D1.FillMode.Alternate);
gs1.BeginFigure(DxConvert.ToVector2(t1), SharpDX.Direct2D1.FigureBegin.Filled);
gs1.AddLine(DxConvert.ToVector2(t2));
gs1.AddLine(DxConvert.ToVector2(t3));
gs1.EndFigure(SharpDX.Direct2D1.FigureEnd.Closed);
gs1.Close();
dbs.Transform = MatrixTools.ThreePointsAffine(srcTriangle, destTriangle);
this.target.RenderTarget.FillGeometry(pathGeometry, dbs);
}
}
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();
}
}