internal void UpdateLegendMarkers()
{
double markersSize = (double)GetValue(MarkersSizeProperty);
legendMarker.Data = MarkerGeometries.LegendMarkerGeometry((MarkersType)GetValue(MarkersTypeProperty), markersSize);
if (legendMarker.Data != null)
{
legendMarker.Data.Transform = new TranslateTransform(markersSize / 2, markersSize / 2);
}
}
internal override void BeforeArrange()
{
graphToCanvas.Matrix = new Matrix(xAxis.Scale, 0, 0, -yAxis.Scale, -xAxis.Offset - xAxis.AxisPadding.Lower, yAxis.Offset + yAxis.AxisTotalLength - yAxis.AxisPadding.Upper);
canvasToGraph = (MatrixTransform)(graphToCanvas.Inverse);
Curve.FilterMinMax(canvasToGraph, new Rect(new Point(xAxis.Min, yAxis.Min), new Point(xAxis.Max, yAxis.Max)));
if (host.UseDirect2D == true && !host.direct2DControl.InitializationFailed)
{
lineD2D.Geometry = curve.ToDirect2DPathGeometry(lineD2D.Factory, graphToCanvas);
markersD2D.SetGeometry((MarkersType)GetValue(MarkersTypeProperty), (double)GetValue(MarkersSizeProperty));
//host.direct2DControl.RequestRender();
}
else
{
line.Data = LineGeometries.PathGeometryFromCurve(curve, graphToCanvas);
markers.Data = MarkerGeometries.MarkersAsGeometry(Curve, graphToCanvas, (MarkersType)GetValue(MarkersTypeProperty), (double)GetValue(MarkersSizeProperty));
}
Point annotationPoint = graphToCanvas.Transform(new Point(curve.xTransformed[0], curve.yTransformed[0]));
annotation.SetValue(Canvas.TopProperty, annotationPoint.Y); annotation.SetValue(Canvas.LeftProperty, annotationPoint.X);
}
internal static Geometry LegendMarkerGeometry(MarkersType markersType, double width, double height)
{
Geometry legendMarkerGeometry = null;
switch (markersType)
{
case MarkersType.None:
break;
case MarkersType.Square:
legendMarkerGeometry = MarkerGeometries.RectangleMarker(width, height, new Point(0, 0));
break;
case MarkersType.Circle:
legendMarkerGeometry = MarkerGeometries.EllipseMarker(width, height, new Point(0, 0));
break;
default:
legendMarkerGeometry = GetGenericGeometry(markersType, width, height);
break;
}
return(legendMarkerGeometry);
}