From 36a1ea6456c7506fa0041e8badae00aff7f595d9 Mon Sep 17 00:00:00 2001
From: Dmitry Pentin <riotbr3aker@gmail.com>
Date: Fri, 16 Jul 2021 15:14:24 +0300
Subject: [PATCH] Color channel max value is now cached per jpeg frame

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

diff --git a/src/ImageSharp/Formats/Jpeg/Components/Decoder/JpegComponentPostProcessor.cs b/src/ImageSharp/Formats/Jpeg/Components/Decoder/JpegComponentPostProcessor.cs
index 31214b4c1d..9a659d6216 100644
--- a/src/ImageSharp/Formats/Jpeg/Components/Decoder/JpegComponentPostProcessor.cs
+++ b/src/ImageSharp/Formats/Jpeg/Components/Decoder/JpegComponentPostProcessor.cs
@@ -78,8 +78,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder
 
             var blockPp = new JpegBlockPostProcessor(this.RawJpeg, this.Component);
 
-            // TODO: this is a constant value for ALL components
-            float maximumValue = MathF.Pow(2, this.frame.Precision) - 1;
+            float maximumValue = this.frame.MaxColorChannelValue;
 
             int destAreaStride = this.ColorBuffer.Width;