52 lines
1.2 KiB
C#
52 lines
1.2 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Windows.Media;
|
|
using System.Windows;
|
|
|
|
namespace Microsoft.Research.DynamicDataDisplay.Charts.Shapes
|
|
{
|
|
/// <summary>
|
|
/// Represents a polyline with points in Viewport coordinates.
|
|
/// </summary>
|
|
public sealed class ViewportPolyline : ViewportPolylineBase
|
|
{
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="ViewportPolyline"/> class.
|
|
/// </summary>
|
|
public ViewportPolyline() { }
|
|
|
|
protected override void UpdateUIRepresentationCore()
|
|
{
|
|
var transform = Plotter.Viewport.Transform;
|
|
|
|
PathGeometry geometry = PathGeometry;
|
|
|
|
PointCollection points = Points;
|
|
geometry.Clear();
|
|
|
|
if (points == null) { }
|
|
else
|
|
{
|
|
PathFigure figure = new PathFigure();
|
|
if (points.Count > 0)
|
|
{
|
|
figure.StartPoint = points[0].DataToScreen(transform);
|
|
if (points.Count > 1)
|
|
{
|
|
Point[] pointArray = new Point[points.Count - 1];
|
|
for (int i = 1; i < points.Count; i++)
|
|
{
|
|
pointArray[i - 1] = points[i].DataToScreen(transform);
|
|
}
|
|
figure.Segments.Add(new PolyLineSegment(pointArray, true));
|
|
}
|
|
}
|
|
geometry.Figures.Add(figure);
|
|
geometry.FillRule = this.FillRule;
|
|
}
|
|
}
|
|
}
|
|
}
|