internal override void UpdateUICore(ChartLayoutContext context)
{
base.UpdateUICore(context);
this.signalRenderer.Render(this.drawWithComposition);
if (this.drawWithComposition && this.signalRenderer.renderPoints.Count > 2)
{
foreach (DataPointSegment dataSegment in ChartSeriesRenderer.GetDataSegments(this.signalRenderer.renderPoints))
{
this.chart.ContainerVisualsFactory.PrepareLineRenderVisual(this.signalRendererVisual, this.signalRenderer.GetPoints(dataSegment), this.SignalStroke, this.StrokeThickness);
}
}
}
protected override void RenderCore()
{
// we need at least two points to calculate the line
if (this.renderPoints.Count < 2)
{
return;
}
PathFigure figure = null;
PolyLineSegment lineSegment = null;
foreach (DataPointSegment dataSegment in ChartSeriesRenderer.GetDataSegments(this.renderPoints))
{
foreach (Point point in this.GetPoints(dataSegment))
{
if (lineSegment == null)
{
figure = new PathFigure();
figure.StartPoint = point;
lineSegment = new PolyLineSegment();
continue;
}
lineSegment.Points.Add(point);
}
// NOTE: data segment is defined if it contains at least two points so we are sure that the PolyLineSegment is meaningful (if it exists)
if (lineSegment != null)
{
figure.Segments.Add(lineSegment);
this.shapeGeometry.Figures.Add(figure);
figure = null;
lineSegment = null;
}
}
}
protected override void RenderCore()
{
// we need at least two points to calculate the line
if (this.renderPoints.Count < 2)
{
return;
}
AreaRenderContext context = new AreaRenderContext(this);
foreach (DataPointSegment dataSegment in ChartSeriesRenderer.GetDataSegments(this.renderPoints))
{
context.CurrentSegment = dataSegment;
context.AreaFigure = new PathFigure();
this.AddTopPoints(context);
this.AddBottomPoints(context);
context.AreaFigure.IsClosed = true;
this.areaShapeGeometry.Figures.Add(context.AreaFigure);
context.PreviousSegmentEndIndex = dataSegment.EndIndex;
}
// Fill in top points
this.FillEmptyPointsToTopSurface(context, this.renderPoints.Count - 1);
if (!this.renderPoints[this.renderPoints.Count - 1].isEmpty)
{
this.AddRightStrokeLine(context);
}
if (!this.renderPoints[0].isEmpty)
{
this.AddLeftStrokeLine(context);
}
}
