protected override void Render(DrawingContext dc, DataSeries series, Plot plot, Axis xAxis, Axis yAxis, IList <DataSeries> sources)
{
if (series == null || plot == null || plot.Points == null || xAxis == null || yAxis == null)
{
return;
}
// Curve point marker drawing.
IPointMarker iPointMarker = series as IPointMarker;
Debug.Assert(iPointMarker != null, "iPointMarker != null");
var hlong = xAxis.Extent;
var vlong = yAxis.Extent;
var points = plot.Points;
foreach (var pt in points)
{
double x, y; // coordinates in pixels
bool isPtInsideArea;
try
{
x = xAxis.ToPixels(pt.X);
y = yAxis.ToPixels(pt.Y);
isPtInsideArea = isInsideArea(x, y, hlong, vlong);
}
catch (ArgumentException)
{
continue;
}
if (isPtInsideArea)
{
Drawing pointMarker = iPointMarker.PointMarkerVisible ? iPointMarker.PointMarker : null;
pointMarker = pt.Emphasis ? iPointMarker.EmphasisPointMarker : pointMarker;
DrawPointsMarker(pointMarker, x, y);
}
}
}
protected override void Render(DrawingContext dc, DataSeries series, Plot plot, Axis xAxis, Axis yAxis, IList <DataSeries> sources)
{
if (series == null || plot == null || plot.Points == null || xAxis == null || yAxis == null)
{
return;
}
// Curve point marker drawing.
IPointMarker iPointMarker = series as IPointMarker;
Debug.Assert(iPointMarker != null, "iPointMarker != null");
var hlong = xAxis.Extent;
var vlong = yAxis.Extent;
Point? startPoint = null;
IDataPoint startDataPoint = null;
List <Point> linePoints = new List <Point>();
var points = plot.Points;
foreach (var pt in points)
{
double x, y; // coordinates in pixels
bool isPtInsideArea;
try
{
x = xAxis.ToPixels(pt.X);
y = yAxis.ToPixels(pt.Y);
isPtInsideArea = isInsideArea(x, y, hlong, vlong);
}
catch (ArgumentException)
{
continue;
}
if (!startPoint.HasValue)
{
startPoint = new Point(x, y);
startDataPoint = pt;
}
else
{
linePoints.Add(new Point(x, y));
}
if (isPtInsideArea)
{
Drawing pointMarker = iPointMarker.PointMarkerVisible ? iPointMarker.PointMarker : null;
pointMarker = pt.Emphasis ? iPointMarker.EmphasisPointMarker : pointMarker;
DrawPointsMarker(pointMarker, x, y);
}
}
if (!startPoint.HasValue)
{
return;
}
if (linePoints.Count == 0 && isInsideArea(startPoint.Value.X, startPoint.Value.Y, hlong, vlong))
{
Drawing pointMarker = iPointMarker.PointMarker;
pointMarker = startDataPoint.Emphasis ? iPointMarker.EmphasisPointMarker : pointMarker;
DrawPointsMarker(pointMarker, startPoint.Value.X, startPoint.Value.Y);
}
// Bezier points
Point[] bezierPoints = BezierPoints(linePoints.ToArray());
if (bezierPoints.Length == 0)
{
return; // Nothing to draw
}
var clipRect = PlotHelper.GetClipRect(plot.ClipSettings, xAxis, yAxis, hlong, vlong);
var gCurve = CreateCurve(startPoint.Value, linePoints);
DrawCurve(dc, gCurve, series.Pen, clipRect);
}
public SelectedSeriesStyle(PenStyle selectedStrokeStyle, IPointMarker selectedPointMarker)
{
_selectedStrokeStyle = selectedStrokeStyle;
_selectedPointMarker = selectedPointMarker;
}
private XyScatterRenderableSeries GetScatterRenderableSeries(Context context, IPointMarker pointMarker, uint color, bool negative)
{
var seriesName = pointMarker is EllipsePointMarker ?
negative ? "Negative Ellipse" : "Positive Ellipse" :
negative ? "Negative" : "Positive";
var dataSeries = new XyDataSeries <int, double> {
SeriesName = seriesName
};
for (var i = 0; i < 200; i++)
{
var time = i < 100 ? GetRandom(_random, 0, i + 10) / 100 : GetRandom(_random, 0, 200 - i + 10) / 100;
var y = negative ? -time * time * time : time * time * time;
dataSeries.Append(i, y);
}
pointMarker.SetSize(6.ToDip(context), 6.ToDip(context));
pointMarker.StrokeStyle = new SolidPenStyle(Color.White, 0.1f.ToDip(context));
pointMarker.FillStyle = new SolidBrushStyle(color);
return(new XyScatterRenderableSeries
{
DataSeries = dataSeries,
StrokeStyle = new SolidPenStyle(color, 2f.ToDip(context)),
PointMarker = pointMarker
});
}
