Initial Commit

Charts/Shapes/ViewportPolyline.cs

@@ -0,0 +1,51 @@
+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;
+			}
+		}
+	}
+}