From d9596ef33b213fd65210e2c6789be3d61188d2c0 Mon Sep 17 00:00:00 2001
From: James Jackson-South <james_south@hotmail.com>
Date: Wed, 4 Mar 2020 00:25:22 +1100
Subject: [PATCH] Cleanup and update references.

---
 .../Processors/Quantization/EuclideanPixelMap{TPixel}.cs      | 4 +---
 .../Processors/Quantization/FrameQuantizerExtensions.cs       | 1 -
 .../Processors/Quantization/PaletteFrameQuantizer{TPixel}.cs  | 3 ---
 .../Processing/Processors/Quantization/PaletteQuantizer.cs    | 2 ++
 tests/Images/External                                         | 2 +-
 5 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/src/ImageSharp/Processing/Processors/Quantization/EuclideanPixelMap{TPixel}.cs b/src/ImageSharp/Processing/Processors/Quantization/EuclideanPixelMap{TPixel}.cs
index 6c23ba356..84a204bba 100644
--- a/src/ImageSharp/Processing/Processors/Quantization/EuclideanPixelMap{TPixel}.cs
+++ b/src/ImageSharp/Processing/Processors/Quantization/EuclideanPixelMap{TPixel}.cs
@@ -2,12 +2,10 @@
 // Licensed under the Apache License, Version 2.0.
 
 using System;
-using System.Buffers;
 using System.Collections.Concurrent;
 using System.Numerics;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
-using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 
 namespace SixLabors.ImageSharp.Processing.Processors.Quantization
@@ -106,5 +104,5 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization
             match = Unsafe.Add(ref paletteRef, index);
             return index;
         }
-        }
+    }
 }
diff --git a/src/ImageSharp/Processing/Processors/Quantization/FrameQuantizerExtensions.cs b/src/ImageSharp/Processing/Processors/Quantization/FrameQuantizerExtensions.cs
index f695a705e..139ed6e9e 100644
--- a/src/ImageSharp/Processing/Processors/Quantization/FrameQuantizerExtensions.cs
+++ b/src/ImageSharp/Processing/Processors/Quantization/FrameQuantizerExtensions.cs
@@ -3,7 +3,6 @@
 
 using System;
 using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
 using SixLabors.ImageSharp.Advanced;
 using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
diff --git a/src/ImageSharp/Processing/Processors/Quantization/PaletteFrameQuantizer{TPixel}.cs b/src/ImageSharp/Processing/Processors/Quantization/PaletteFrameQuantizer{TPixel}.cs
index 11570beef..a9a938562 100644
--- a/src/ImageSharp/Processing/Processors/Quantization/PaletteFrameQuantizer{TPixel}.cs
+++ b/src/ImageSharp/Processing/Processors/Quantization/PaletteFrameQuantizer{TPixel}.cs
@@ -2,10 +2,7 @@
 // Licensed under the Apache License, Version 2.0.
 
 using System;
-using System.Buffers;
 using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 
 namespace SixLabors.ImageSharp.Processing.Processors.Quantization
diff --git a/src/ImageSharp/Processing/Processors/Quantization/PaletteQuantizer.cs b/src/ImageSharp/Processing/Processors/Quantization/PaletteQuantizer.cs
index 7bae8787b..e856c389c 100644
--- a/src/ImageSharp/Processing/Processors/Quantization/PaletteQuantizer.cs
+++ b/src/ImageSharp/Processing/Processors/Quantization/PaletteQuantizer.cs
@@ -56,7 +56,9 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization
             // multi frame gifs using a global palette.
             int length = Math.Min(this.colorPalette.Length, options.MaxColors);
             var palette = new TPixel[length];
+
             Color.ToPixel(configuration, this.colorPalette.Span, palette.AsSpan());
+
             var pixelMap = new EuclideanPixelMap<TPixel>(configuration, palette, length);
             return new PaletteFrameQuantizer<TPixel>(configuration, options, pixelMap);
         }
diff --git a/tests/Images/External b/tests/Images/External
index f8a76fd3a..1fea1ceab 160000
--- a/tests/Images/External
+++ b/tests/Images/External
@@ -1 +1 @@
-Subproject commit f8a76fd3a900b90c98df67ac896574383a4d09f3
+Subproject commit 1fea1ceab89e87cc5f11376fa46164d3d27566c0