From f2a08876c7d27bab965b074aa79092a44d5f4bbb Mon Sep 17 00:00:00 2001
From: NathanSweet <nathan.sweet@gmail.com>
Date: Thu, 18 Apr 2013 12:20:08 +0200
Subject: [PATCH] Support for disposing textures.

---
 spine-csharp/src/Atlas.cs                      | 8 ++++++++
 spine-unity/Assets/Plugins/Spine/AtlasAsset.cs | 3 +++
 spine-xna/src/XnaTextureLoader.cs              | 5 +++++
 3 files changed, 16 insertions(+)

diff --git a/spine-csharp/src/Atlas.cs b/spine-csharp/src/Atlas.cs
index 7ab0af481..421668136 100644
--- a/spine-csharp/src/Atlas.cs
+++ b/spine-csharp/src/Atlas.cs
@@ -30,6 +30,7 @@ namespace Spine {
 	public class Atlas {
 		List<AtlasPage> pages = new List<AtlasPage>();
 		List<AtlasRegion> regions = new List<AtlasRegion>();
+		TextureLoader textureLoader;
 
 		public Atlas (String path, TextureLoader textureLoader) {
 			using (StreamReader reader = new StreamReader(path)) {
@@ -47,6 +48,7 @@ namespace Spine {
 
 		private void Load (TextReader reader, String imagesDir, TextureLoader textureLoader) {
 			if (textureLoader == null) throw new ArgumentNullException("textureLoader cannot be null.");
+			this.textureLoader = textureLoader;
 
 			String[] tuple = new String[4];
 			AtlasPage page = null;
@@ -163,6 +165,11 @@ namespace Spine {
 				if (regions[i].name == name) return regions[i];
 			return null;
 		}
+
+		public void Dispose () {
+			for (int i = 0, n = pages.Count; i < n; i++)
+				textureLoader.Unload(pages[i].texture);
+		}
 	}
 
 	public enum Format {
@@ -217,5 +224,6 @@ namespace Spine {
 
 	public interface TextureLoader {
 		void Load (AtlasPage page, String path);
+		void Unload (Object texture);
 	}
 }
diff --git a/spine-unity/Assets/Plugins/Spine/AtlasAsset.cs b/spine-unity/Assets/Plugins/Spine/AtlasAsset.cs
index ab9ad7a39..3b46ad44d 100644
--- a/spine-unity/Assets/Plugins/Spine/AtlasAsset.cs
+++ b/spine-unity/Assets/Plugins/Spine/AtlasAsset.cs
@@ -74,4 +74,7 @@ public class SingleTextureLoader : TextureLoader {
 		page.width = material.mainTexture.width;
 		page.height = material.mainTexture.height;
 	}
+
+	public void Unload (object texture) {
+	}
 }
diff --git a/spine-xna/src/XnaTextureLoader.cs b/spine-xna/src/XnaTextureLoader.cs
index 88657a2c4..dd65aeb10 100644
--- a/spine-xna/src/XnaTextureLoader.cs
+++ b/spine-xna/src/XnaTextureLoader.cs
@@ -31,6 +31,7 @@ using Microsoft.Xna.Framework.Graphics;
 namespace Spine {
 	public class XnaTextureLoader : TextureLoader {
 		GraphicsDevice device;
+
 		public XnaTextureLoader (GraphicsDevice device) {
 			this.device = device;
 		}
@@ -41,5 +42,9 @@ namespace Spine {
 			page.width = texture.Width;
 			page.height = texture.Height;
 		}
+
+		public void Unload (Object texture) {
+			((Texture2D)texture).Dispose();
+		}
 	}
 }