1 files changed, 27 insertions, 2 deletions
diff --git a/Extensions.cs b/Extensions.cs
index e6368c3..80a8e2f 100644
--- a/Extensions.cs
+++ b/Extensions.cs
@@ -1,8 +1,9 @@
 using System.Numerics;
+using Raylib_cs;
 
 namespace OnekoOnline;
 
-static class MathExtensions
+static class MathExt
 {
     public static Vector2 LimitLength(this Vector2 toLimit, float lengthLimit)
     {
@@ -17,7 +18,7 @@ static class MathExtensions
     }
 }
 
-static class StringExtensions
+static class StringExt
 {
     public static string LimitLength(this string value, int maxLength)
     {
@@ -26,6 +27,30 @@ static class StringExtensions
     }
 }
 
+static class RaylibExt
+{
+    public static int TextureLength(int width, int height, PixelFormat format, int mipmaps)
+    {
+        int size = 0;
+
+        for (int i = 0; i < mipmaps; i++) {
+            size += Raylib.GetPixelDataSize(width, height, format);
+
+            //Max is a security check for NPOT textures
+            width = Math.Max(width/2, 1);
+            height = Math.Max(height/2, 1);
+        }
+
+        return size;
+    }
+
+    public static int DataLength(this Image img) => TextureLength(img.Width, img.Height, img.Format, img.Mipmaps);
+
+    public static int DataLength(this Texture2D tex) => TextureLength(tex.Width, tex.Height, tex.Format, tex.Mipmaps);
+
+    public unsafe static Span<byte> DataSpan(this Image img) => new(img.Data, img.DataLength());
+}
+
 public static class Directions
 {
     public static readonly Vector2 Up = new(0,-1);