git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@2049 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.Game/Graphics/Sheet.cs

@@ -0,0 +1,51 @@
+using System.Drawing;
+using System.IO;
+using Ijw.DirectX;
+
+namespace OpenRa.Game.Graphics
+{
+	class Sheet
+	{
+		readonly Renderer renderer;
+		protected readonly Bitmap bitmap;
+
+		Texture texture;
+		static int suffix = 0;
+
+		public Sheet(Renderer renderer, Size size)
+		{
+			this.renderer = renderer;
+			this.bitmap = new Bitmap(size.Width, size.Height);
+		}
+
+		void Resolve()
+		{
+			string filename = string.Format("../../../sheet-{0}.png", suffix++);
+			bitmap.Save(filename);
+
+			using (Stream s = File.OpenRead(filename))
+				texture = Texture.Create(s, renderer.Device);
+		}
+
+		public Texture Texture
+		{
+			get
+			{
+				if (texture == null)
+					Resolve();
+
+				return texture;
+			}
+		}
+
+		public Size Size { get { return bitmap.Size; } }
+
+		public 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
+	}
+}