From d032998b1cf50b1422f4c0cef273fbca66f4a767 Mon Sep 17 00:00:00 2001
From: Brian Popow <popow@gmx.de>
Date: Thu, 2 Apr 2020 19:59:24 +0200
Subject: [PATCH] Using pixel row span to access the pixels

---
 .../Binarization/AdaptiveThresholdProcessor{TPixel}.cs         | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ImageSharp/Processing/Processors/Binarization/AdaptiveThresholdProcessor{TPixel}.cs b/src/ImageSharp/Processing/Processors/Binarization/AdaptiveThresholdProcessor{TPixel}.cs
index 6daf3a8ed7..7b3e10b0d8 100644
--- a/src/ImageSharp/Processing/Processors/Binarization/AdaptiveThresholdProcessor{TPixel}.cs
+++ b/src/ImageSharp/Processing/Processors/Binarization/AdaptiveThresholdProcessor{TPixel}.cs
@@ -135,10 +135,11 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization
             public void Invoke(int y)
             {
                 Rgba32 rgb = default;
+                Span<TPixel> pixelRow = this.source.GetPixelRowSpan(y);
 
                 for (int x = this.startX; x < this.endX; x++)
                 {
-                    TPixel pixel = this.source.PixelBuffer[x, y];
+                    TPixel pixel = pixelRow[x];
                     pixel.ToRgba32(ref rgb);
 
                     var x1 = (ushort)Math.Max(x - this.startX - this.clusterSize + 1, 0);