Everything is now OpenRA, not OpenRa

OpenRA.Game/Graphics/Sheet.cs

@@ -0,0 +1,72 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
+ * This file is part of OpenRA.
+ * 
+ *  OpenRA is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  OpenRA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with OpenRA.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+
+using System.Drawing;
+using OpenRA.FileFormats;
+using OpenRA.FileFormats.Graphics;
+
+namespace OpenRA.Graphics
+{
+	public class Sheet
+	{
+		readonly Renderer renderer;
+		protected readonly Bitmap bitmap;
+
+		ITexture texture;
+
+		internal Sheet(Renderer renderer, Size size)
+		{
+			this.renderer = renderer;
+			this.bitmap = new Bitmap(size.Width, size.Height);
+		}
+
+		internal Sheet(Renderer renderer, string filename)
+		{
+			this.renderer = renderer;
+			this.bitmap = (Bitmap)Image.FromStream(FileSystem.Open(filename));
+		}
+
+		void Resolve()
+		{
+            texture = renderer.Device.CreateTexture(bitmap);
+		}
+
+		public ITexture Texture
+		{
+			get
+			{
+				if (texture == null)
+					Resolve();
+
+				return texture;
+			}
+		}
+
+		public Size Size { get { return bitmap.Size; } }
+
+		protected Color this[Point p]
+		{
+			get { return bitmap.GetPixel(p.X, p.Y); }
+			set { bitmap.SetPixel(p.X, p.Y, value); }
+		}
+
+		public Bitmap Bitmap { get { return bitmap; } }	// for perf
+	}
+}