From 78eb2f176473b332fa318ab5ac87d878dba46a43 Mon Sep 17 00:00:00 2001
From: James Jackson-South <james_south@hotmail.com>
Date: Mon, 20 Feb 2023 13:28:44 +1000
Subject: [PATCH] Use WithW

---
 .../PixelBlenders/PorterDuffFunctions.cs      | 20 +++++--------------
 1 file changed, 5 insertions(+), 15 deletions(-)

diff --git a/src/ImageSharp/PixelFormats/PixelBlenders/PorterDuffFunctions.cs b/src/ImageSharp/PixelFormats/PixelBlenders/PorterDuffFunctions.cs
index cd85939e03..bc7958f857 100644
--- a/src/ImageSharp/PixelFormats/PixelBlenders/PorterDuffFunctions.cs
+++ b/src/ImageSharp/PixelFormats/PixelBlenders/PorterDuffFunctions.cs
@@ -278,9 +278,7 @@ internal static partial class PorterDuffFunctions
 
         // unpremultiply
         color /= Vector4.Max(alpha, new(Constants.Epsilon));
-        color.W = alpha.W;
-
-        return color;
+        return WithW(color, alpha);
     }
 
     /// <summary>
@@ -339,9 +337,7 @@ internal static partial class PorterDuffFunctions
 
         // unpremultiply
         color /= Vector4.Max(alpha, new(Constants.Epsilon));
-        color.W = alpha.W;
-
-        return color;
+        return WithW(color, alpha);
     }
 
     /// <summary>
@@ -385,9 +381,7 @@ internal static partial class PorterDuffFunctions
 
         Vector4 color = source * alpha;                    // premultiply
         color /= Vector4.Max(alpha, new(Constants.Epsilon));   // unpremultiply
-        color.W = alpha.W;
-
-        return color;
+        return WithW(color, alpha);
     }
 
     /// <summary>
@@ -425,9 +419,7 @@ internal static partial class PorterDuffFunctions
 
         Vector4 color = source * alpha;                    // premultiply
         color /= Vector4.Max(alpha, new(Constants.Epsilon));   // unpremultiply
-        color.W = alpha.W;
-
-        return color;
+        return WithW(color, alpha);
     }
 
     /// <summary>
@@ -470,9 +462,7 @@ internal static partial class PorterDuffFunctions
 
         // unpremultiply
         color /= Vector4.Max(alpha, new(Constants.Epsilon));
-        color.W = alpha.W;
-
-        return color;
+        return WithW(color, alpha);
     }
 
     /// <summary>