From f2272b05558f2ad1902b05979272c77e5d56ed8e Mon Sep 17 00:00:00 2001
From: Bret Deasy <bjdeasy@gmail.com>
Date: Thu, 17 May 2012 00:46:46 -0500
Subject: [PATCH] Adding Cut extension method to Texture2D.cs 	Will create a
 subTexture of Width & Height from top-left

---
 axios.sln                            |  8 +++++++-
 axios/Engine/Extensions/Texture2D.cs | 21 +++++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/axios.sln b/axios.sln
index f0d0e45..e80e6f5 100644
--- a/axios.sln
+++ b/axios.sln
@@ -1,6 +1,6 @@
 
 Microsoft Visual Studio Solution File, Format Version 11.00
-# Visual Studio 2010
+# Visual Studio 2010 Express for Windows Phone
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Axios_Windows", "axios\Axios_Windows.csproj", "{742C938F-997D-4EFD-95D2-BB09CDADCD2E}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Axios_Xbox_360", "axios\Axios_Xbox_360.csproj", "{B5664516-72B7-4BA3-9F72-25CAA90867D8}"
@@ -45,6 +45,7 @@ Global
 		{B5664516-72B7-4BA3-9F72-25CAA90867D8}.Debug|Windows Phone.ActiveCfg = Debug|Xbox 360
 		{B5664516-72B7-4BA3-9F72-25CAA90867D8}.Debug|Windows Phone.Build.0 = Debug|Xbox 360
 		{B5664516-72B7-4BA3-9F72-25CAA90867D8}.Debug|x86.ActiveCfg = Debug|Xbox 360
+		{B5664516-72B7-4BA3-9F72-25CAA90867D8}.Debug|x86.Build.0 = Debug|Xbox 360
 		{B5664516-72B7-4BA3-9F72-25CAA90867D8}.Debug|Xbox 360.ActiveCfg = Debug|Xbox 360
 		{B5664516-72B7-4BA3-9F72-25CAA90867D8}.Debug|Xbox 360.Build.0 = Debug|Xbox 360
 		{B5664516-72B7-4BA3-9F72-25CAA90867D8}.Release|Any CPU.ActiveCfg = Release|Xbox 360
@@ -53,6 +54,7 @@ Global
 		{B5664516-72B7-4BA3-9F72-25CAA90867D8}.Release|Windows Phone.ActiveCfg = Release|Xbox 360
 		{B5664516-72B7-4BA3-9F72-25CAA90867D8}.Release|Windows Phone.Build.0 = Release|Xbox 360
 		{B5664516-72B7-4BA3-9F72-25CAA90867D8}.Release|x86.ActiveCfg = Release|Xbox 360
+		{B5664516-72B7-4BA3-9F72-25CAA90867D8}.Release|x86.Build.0 = Release|Xbox 360
 		{B5664516-72B7-4BA3-9F72-25CAA90867D8}.Release|Xbox 360.ActiveCfg = Release|Xbox 360
 		{B5664516-72B7-4BA3-9F72-25CAA90867D8}.Release|Xbox 360.Build.0 = Release|Xbox 360
 		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Debug|Any CPU.ActiveCfg = Debug|Windows Phone
@@ -61,14 +63,18 @@ Global
 		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Debug|Windows Phone.ActiveCfg = Debug|Windows Phone
 		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Debug|Windows Phone.Build.0 = Debug|Windows Phone
 		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Debug|x86.ActiveCfg = Debug|Windows Phone
+		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Debug|x86.Build.0 = Debug|Windows Phone
 		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Debug|Xbox 360.ActiveCfg = Debug|Windows Phone
+		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Debug|Xbox 360.Build.0 = Debug|Windows Phone
 		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Release|Any CPU.ActiveCfg = Release|Windows Phone
 		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Release|Mixed Platforms.ActiveCfg = Release|Windows Phone
 		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Release|Mixed Platforms.Build.0 = Release|Windows Phone
 		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Release|Windows Phone.ActiveCfg = Release|Windows Phone
 		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Release|Windows Phone.Build.0 = Release|Windows Phone
 		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Release|x86.ActiveCfg = Release|Windows Phone
+		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Release|x86.Build.0 = Release|Windows Phone
 		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Release|Xbox 360.ActiveCfg = Release|Windows Phone
+		{C09D9005-76AC-4F1A-9479-2787BB3DB158}.Release|Xbox 360.Build.0 = Release|Windows Phone
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/axios/Engine/Extensions/Texture2D.cs b/axios/Engine/Extensions/Texture2D.cs
index 3a6b84d..6b0cc91 100644
--- a/axios/Engine/Extensions/Texture2D.cs
+++ b/axios/Engine/Extensions/Texture2D.cs
@@ -286,6 +286,27 @@ namespace Axios.Engine.Extensions
 
             return r;
         }
+        //Create new Texture which is a subsection of original with dimensions of partWidth and partHeight
+        public static Texture2D Cut(this Texture2D original, int partWidth, int partHeight)
+        {
+            Texture2D newTexture = new Texture2D(original.GraphicsDevice, partWidth, partHeight); //Create texture of new area = to subsection area
+            int pixelCount = partWidth * partHeight; //Number of pixels in the new texture
+            Color[] originalData = new Color[original.Width * original.Height];
+            original.GetData<Color>(originalData); //Get the pixel data from the original texture
+            Color[] newData = new Color[pixelCount]; //Create pixel sheet for new texture
+
+            for (int y = 0; y < partHeight; y++) //increment from the top-most pixel
+            {
+                for (int x = 0; x < partWidth; x++) //increment from the top-most, left-most pixel
+                {
+                    int colorIndex = x + y * partWidth; //get pixel at {x, y} coordinates
+                    newData[colorIndex] = originalData[(x + y * original.Width)]; //set the color to pixel at original {x, y} coordinates
+                }
+            }
+
+            newTexture.SetData<Color>(newData); //set the color data for the new texture
+            return newTexture; //return Texture2D object cut from original
+        }
 
     }
 }
\ No newline at end of file