From 78070dcc8928561f21f3aa5d59bdcc808ac951ec Mon Sep 17 00:00:00 2001
From: Dan Manning <dmanning23@hotmail.com>
Date: Sat, 3 Nov 2018 19:36:47 -0500
Subject: [PATCH] 762: added AoT method to pre-seed WuQuantizer

---
 src/ImageSharp/Formats/Gif/ImageExtensions.cs      | 14 +++++++++++++-
 .../Quantization/WuFrameQuantizer{TPixel}.cs       |  2 ++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/ImageSharp/Formats/Gif/ImageExtensions.cs b/src/ImageSharp/Formats/Gif/ImageExtensions.cs
index 2c5496f52..f1c2ae5fb 100644
--- a/src/ImageSharp/Formats/Gif/ImageExtensions.cs
+++ b/src/ImageSharp/Formats/Gif/ImageExtensions.cs
@@ -58,7 +58,19 @@ namespace SixLabors.ImageSharp
         }
 
         /// <summary>
-        /// This method pre-seeds the default FloydSteinbergDiffuser in the AoT compiler for iOS.
+        /// This method pre-seeds the WuQuantizer in the AoT compiler for iOS.
+        /// </summary>
+        /// <typeparam name="TPixel">The pixel format.</typeparam>
+        public static void AotCompileWuQuantizer<TPixel>()
+            where TPixel : struct, IPixel<TPixel>
+        {
+            var test = new WuFrameQuantizer<TPixel>(new WuQuantizer(false));
+            test.QuantizeFrame(new ImageFrame<TPixel>(Configuration.Default, 1, 1));
+            test.AotGetPalette();
+        }
+
+        /// <summary>
+        /// This method pre-seeds the default dithering engine (FloydSteinbergDiffuser) in the AoT compiler for iOS.
         /// </summary>
         /// <typeparam name="TPixel">The pixel format.</typeparam>
         public static void AotCompileDithering<TPixel>()
diff --git a/src/ImageSharp/Processing/Processors/Quantization/WuFrameQuantizer{TPixel}.cs b/src/ImageSharp/Processing/Processors/Quantization/WuFrameQuantizer{TPixel}.cs
index 43d22597d..44df226cf 100644
--- a/src/ImageSharp/Processing/Processors/Quantization/WuFrameQuantizer{TPixel}.cs
+++ b/src/ImageSharp/Processing/Processors/Quantization/WuFrameQuantizer{TPixel}.cs
@@ -173,6 +173,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization
             }
         }
 
+        internal TPixel[] AotGetPalette() => this.GetPalette();
+
         /// <inheritdoc/>
         protected override TPixel[] GetPalette()
         {