Initial Commit

PointMarkers/CompositePointMarker.cs

@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.ComponentModel;
+using System.Windows;
+using System.Windows.Media;
+
+namespace Microsoft.Research.DynamicDataDisplay.PointMarkers
+{
+    /// <summary>Composite point markers renders a specified set of markers
+    /// at every point of graph</summary>
+	public sealed class CompositePointMarker : PointMarker {
+		public CompositePointMarker() { }
+
+		public CompositePointMarker(params PointMarker[] markers) {
+			if (markers == null)
+				throw new ArgumentNullException("markers");
+
+            foreach (PointMarker m in markers)
+                this.markers.Add(m);
+		}
+
+		public CompositePointMarker(IEnumerable<PointMarker> markers) {
+			if (markers == null)
+				throw new ArgumentNullException("markers");
+            foreach (PointMarker m in markers)
+                this.markers.Add(m);
+		}
+
+
+		private readonly Collection<PointMarker> markers = new Collection<PointMarker>();
+		[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
+		public Collection<PointMarker> Markers {
+			get { return markers; }
+		}
+
+		public override void Render(DrawingContext dc, Point screenPoint) {
+			LocalValueEnumerator enumerator = GetLocalValueEnumerator();
+			foreach (var marker in markers) {
+				enumerator.Reset();
+				while (enumerator.MoveNext()) {
+					marker.SetValue(enumerator.Current.Property, enumerator.Current.Value);
+				}
+
+				marker.Render(dc, screenPoint);
+			}
+		}
+	}
+}