Initial Commit

Charts/Shapes/VerticalLine.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+using System.Windows.Media;
+using System.Diagnostics;
+
+namespace Microsoft.Research.DynamicDataDisplay.Charts
+{
+	/// <summary>
+	/// Represents an infinite vertical line with x viewport coordinate.
+	/// </summary>
+	public sealed class VerticalLine : SimpleLine
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="VerticalLine"/> class.
+		/// </summary>
+		public VerticalLine() { }
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="VerticalLine"/> class with specified x coordinate.
+		/// </summary>
+		/// <param name="xCoordinate">The x coordinate.</param>
+		public VerticalLine(double xCoordinate)
+		{
+			Value = xCoordinate;
+		}
+
+		protected override void UpdateUIRepresentationCore()
+		{
+			var transform = Plotter.Viewport.Transform;
+
+			Point p1 = new Point(Value, Plotter.Viewport.Visible.YMin).DataToScreen(transform);
+			Point p2 = new Point(Value, Plotter.Viewport.Visible.YMax).DataToScreen(transform);
+
+			LineGeometry.StartPoint = p1;
+			LineGeometry.EndPoint = p2;
+		}
+	}
+}