/// <summary>
/// Renders the series on the specified rendering context.
/// </summary>
/// <param name="rc">The rendering context.</param>
public override void Render(IRenderContext rc)
{
// determine render range
var xmin = this.XAxis.ActualMinimum;
var xmax = this.XAxis.ActualMaximum;
this.WindowStartIndex = this.UpdateWindowStartIndex(this.abovePoints, this.GetPointX, xmin, this.WindowStartIndex);
this.WindowStartIndex2 = this.UpdateWindowStartIndex(this.belowPoints, this.GetPointX, xmin, this.WindowStartIndex2);
double minDistSquared = this.MinimumSegmentLength * this.MinimumSegmentLength;
var clippingRect = this.GetClippingRect();
rc.SetClip(clippingRect);
var areaContext = new TwoColorAreaRenderContext
{
Points = this.abovePoints,
WindowStartIndex = this.WindowStartIndex,
XMax = xmax,
RenderContext = rc,
ClippingRect = clippingRect,
MinDistSquared = minDistSquared,
Reverse = false,
Color = this.ActualColor,
Fill = this.ActualFill,
MarkerFill = this.MarkerFill,
MarkerStroke = this.MarkerStroke,
DashArray = this.ActualDashArray,
Baseline = this.Limit
};
this.RenderChunkedPoints(areaContext);
areaContext.Points = this.belowPoints;
areaContext.Reverse = this.Reverse2;
areaContext.Color = this.ActualColor2;
areaContext.Fill = this.ActualFill2;
areaContext.MarkerFill = this.MarkerFill2;
areaContext.MarkerStroke = this.MarkerStroke2;
areaContext.DashArray = this.ActualDashArray2;
if (this.IsPoints2Defined)
{
areaContext.Baseline = this.ConstantY2;
}
this.RenderChunkedPoints(areaContext);
if (!this.IsPoints2Defined)
{
var markerSizes = new[] { this.MarkerSize };
double limit = this.Limit;
var points = this.ActualPoints;
var aboveMarkers = new List <ScreenPoint>();
var belowMarkers = new List <ScreenPoint>();
this.markerStartIndex = this.UpdateWindowStartIndex(points, this.GetPointX, xmin, this.markerStartIndex);
int markerClipCount = 0;
for (int i = this.markerStartIndex; i < points.Count; i++)
{
var point = points[i];
(point.y >= limit ? aboveMarkers : belowMarkers).Add(this.Transform(point.x, point.y));
markerClipCount += point.x > xmax ? 1 : 0;
if (markerClipCount > 1)
{
break;
}
}
rc.DrawMarkers(
clippingRect,
aboveMarkers,
this.MarkerType,
null,
markerSizes,
this.MarkerFill,
this.MarkerStroke,
this.MarkerStrokeThickness,
1);
rc.DrawMarkers(
clippingRect,
belowMarkers,
this.MarkerType,
null,
markerSizes,
this.MarkerFill2,
this.MarkerStroke2,
this.MarkerStrokeThickness,
1);
}
rc.ResetClip();
}
/// <summary>
/// Renders the series on the specified rendering context.
/// </summary>
/// <param name="rc">The rendering context.</param>
public override void Render(IRenderContext rc)
{
// determine render range
var xmin = this.XAxis.ActualMinimum;
var xmax = this.XAxis.ActualMaximum;
this.WindowStartIndex = this.UpdateWindowStartIndex(this.abovePoints, this.GetPointX, xmin, this.WindowStartIndex);
this.WindowStartIndex2 = this.UpdateWindowStartIndex(this.belowPoints, this.GetPointX, xmin, this.WindowStartIndex2);
double minDistSquared = this.MinimumSegmentLength * this.MinimumSegmentLength;
var clippingRect = this.GetClippingRect();
rc.SetClip(clippingRect);
var areaContext = new TwoColorAreaRenderContext
{
Points = this.abovePoints,
WindowStartIndex = this.WindowStartIndex,
XMax = xmax,
RenderContext = rc,
ClippingRect = clippingRect,
MinDistSquared = minDistSquared,
Reverse = false,
Color = this.ActualColor,
Fill = this.ActualFill,
MarkerFill = this.MarkerFill,
MarkerStroke = this.MarkerStroke,
DashArray = this.ActualDashArray,
Baseline = this.Limit
};
this.RenderChunkedPoints(areaContext);
areaContext.Points = this.belowPoints;
areaContext.Reverse = this.Reverse2;
areaContext.Color = this.ActualColor2;
areaContext.Fill = this.ActualFill2;
areaContext.MarkerFill = this.MarkerFill2;
areaContext.MarkerStroke = this.MarkerStroke2;
areaContext.DashArray = this.ActualDashArray2;
if (this.IsPoints2Defined)
{
areaContext.Baseline = this.ConstantY2;
}
this.RenderChunkedPoints(areaContext);
if (!this.IsPoints2Defined)
{
var markerSizes = new[] { this.MarkerSize };
double limit = this.Limit;
var points = this.ActualPoints;
var aboveMarkers = new List<ScreenPoint>();
var belowMarkers = new List<ScreenPoint>();
this.markerStartIndex = this.UpdateWindowStartIndex(points, this.GetPointX, xmin, this.markerStartIndex);
int markerClipCount = 0;
for (int i = this.markerStartIndex; i < points.Count; i++)
{
var point = points[i];
(point.y >= limit ? aboveMarkers : belowMarkers).Add(this.XAxis.Transform(point.x, point.y, this.YAxis));
markerClipCount += point.x > xmax ? 1 : 0;
if (markerClipCount > 1)
{
break;
}
}
rc.DrawMarkers(
clippingRect,
aboveMarkers,
this.MarkerType,
null,
markerSizes,
this.MarkerFill,
this.MarkerStroke,
this.MarkerStrokeThickness,
1);
rc.DrawMarkers(
clippingRect,
belowMarkers,
this.MarkerType,
null,
markerSizes,
this.MarkerFill2,
this.MarkerStroke2,
this.MarkerStrokeThickness,
1);
}
rc.ResetClip();
}
