From c751b27334b579a16482b2d5634c15390f33b776 Mon Sep 17 00:00:00 2001
From: Dmitry Pentin <riotbr3aker@gmail.com>
Date: Fri, 16 Jul 2021 14:34:45 +0300
Subject: [PATCH] Removed first component dependency in compoentn
 initialization code

---
 .../Formats/Jpeg/Components/Decoder/JpegComponent.cs           | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/ImageSharp/Formats/Jpeg/Components/Decoder/JpegComponent.cs b/src/ImageSharp/Formats/Jpeg/Components/Decoder/JpegComponent.cs
index 33b5ef77ad..ba3dfb6296 100644
--- a/src/ImageSharp/Formats/Jpeg/Components/Decoder/JpegComponent.cs
+++ b/src/ImageSharp/Formats/Jpeg/Components/Decoder/JpegComponent.cs
@@ -123,8 +123,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder
             int blocksPerColumnForMcu = this.Frame.McusPerColumn * this.VerticalSamplingFactor;
             this.SizeInBlocks = new Size(blocksPerLineForMcu, blocksPerColumnForMcu);
 
-            JpegComponent c0 = this.Frame.Components[0];
-            this.SubSamplingDivisors = c0.SamplingFactors.DivideBy(this.SamplingFactors);
+            this.SubSamplingDivisors = new Size(maxSubFactorH, maxSubFactorV).DivideBy(this.SamplingFactors);
 
             if (this.SubSamplingDivisors.Width == 0 || this.SubSamplingDivisors.Height == 0)
             {