Initial Commit

Common/Palettes/IPalette.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows.Media;
+
+namespace Microsoft.Research.DynamicDataDisplay.Common.Palettes
+{
+	/// <summary>
+	/// Represents a color palette, which can generate color by interpolation coefficient.
+	/// </summary>
+	public interface IPalette
+	{
+		/// <summary>
+		/// Gets the color by interpolation coefficient.
+		/// </summary>
+		/// <param name="t">Interpolation coefficient, should belong to [0..1].</param>
+		/// <returns>Color.</returns>
+		Color GetColor(double t);
+
+		/// <summary>
+		/// Occurs when palette changes.
+		/// </summary>
+		event EventHandler Changed;
+	}
+}