From b16301b631520a778f2af29acfbeeeebad177bcc Mon Sep 17 00:00:00 2001
From: Dmitry Pentin <riotbr3aker@gmail.com>
Date: Sat, 17 Jul 2021 10:19:09 +0300
Subject: [PATCH] Simplified quantization table scaling in the encoder

---
 src/ImageSharp/Formats/Jpeg/JpegEncoderCore.cs | 15 ++-------------
 1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/src/ImageSharp/Formats/Jpeg/JpegEncoderCore.cs b/src/ImageSharp/Formats/Jpeg/JpegEncoderCore.cs
index 135048aa4..60c209c52 100644
--- a/src/ImageSharp/Formats/Jpeg/JpegEncoderCore.cs
+++ b/src/ImageSharp/Formats/Jpeg/JpegEncoderCore.cs
@@ -702,19 +702,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg
 
             for (int j = 0; j < Block8x8F.Size; j++)
             {
-                int x = unscaledQuant[j];
-                x = ((x * scale) + 50) / 100;
-                if (x < 1)
-                {
-                    x = 1;
-                }
-
-                if (x > 255)
-                {
-                    x = 255;
-                }
-
-                quant[j] = x;
+                int scaled = ((unscaledQuant[j] * scale) + 50) / 100;
+                quant[j] = Math.Clamp(scaled, 1, 255);
             }
         }
     }