Add RGBASpriteWidget.

OpenRA.Game/OpenRA.Game.csproj

@@ -233,6 +233,7 @@
     <Compile Include="MapPreview.cs" />
     <Compile Include="Widgets\SpriteWidget.cs" />
     <Compile Include="Widgets\SpriteSequenceWidget.cs" />
+    <Compile Include="Widgets\RGBASpriteWidget.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\OpenRA.FileFormats\OpenRA.FileFormats.csproj">

OpenRA.Game/Widgets/RGBASpriteWidget.cs

@@ -0,0 +1,37 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using OpenRA.Graphics;
+
+namespace OpenRA.Widgets
+{
+	public class RGBASpriteWidget : Widget
+	{
+		public Func<Sprite> GetSprite = () => null;
+
+		public RGBASpriteWidget() { }
+
+		protected RGBASpriteWidget(RGBASpriteWidget other)
+			: base(other)
+		{
+			GetSprite = other.GetSprite;
+		}
+
+		public override Widget Clone() { return new RGBASpriteWidget(this); }
+
+		public override void Draw()
+		{
+			var sprite = GetSprite();
+			if (sprite != null)
+				Game.Renderer.RgbaSpriteRenderer.DrawSprite(sprite, RenderOrigin);
+		}
+	}
+}