Brought back if check

5 years ago · 16842496be
1 changed files with 4 additions and 1 deletions
--- a/src/ImageSharp/Formats/Jpeg/Components/Encoder/HuffmanScanEncoder.cs
+++ b/src/ImageSharp/Formats/Jpeg/Components/Encoder/HuffmanScanEncoder.cs
@ -368,7 +368,10 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Encoder
            int bt = Numerics.MinimumBitsToStore16((uint)a);

            this.EmitHuff(index, (runLength << 4) | bt);
-            this.Emit(b & ((1 << bt) - 1), bt);
+            if (bt > 0)
+            {
+                this.Emit(b & ((1 << bt) - 1), bt);
+            }
        }

        /// <summary>