Initial Commit

Charts/Shapes/RectangleHighlight.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows.Media;
+using System.Windows;
+using System.ComponentModel;
+
+namespace Microsoft.Research.DynamicDataDisplay.Charts
+{
+	/// <summary>
+	/// Represents a rectangle with corners bound to viewport coordinates.
+	/// </summary>
+	public sealed class RectangleHighlight : ViewportShape
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="RectangleHighlight"/> class.
+		/// </summary>
+		public RectangleHighlight() { }
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="RectangleHighlight"/> class.
+		/// </summary>
+		/// <param name="bounds">The bounds.</param>
+		public RectangleHighlight(Rect bounds)
+		{
+			Bounds = bounds;
+		}
+
+		private DataRect rect = DataRect.Empty;
+		public DataRect Bounds
+		{
+			get { return rect; }
+			set
+			{
+				if (rect != value)
+				{
+					rect = value;
+					UpdateUIRepresentation();
+				}
+			}
+		}
+
+		protected override void UpdateUIRepresentationCore()
+		{
+			var transform = Plotter.Viewport.Transform;
+
+			Point p1 = rect.XMaxYMax.DataToScreen(transform);
+			Point p2 = rect.XMinYMin.DataToScreen(transform);
+			rectGeometry.Rect = new Rect(p1, p2);
+		}
+
+		private RectangleGeometry rectGeometry = new RectangleGeometry();
+		protected override Geometry DefiningGeometry
+		{
+			get { return rectGeometry; }
+		}
+	}
+}