Undo predictor for cmyk images, fixes #2456

brianpopow · brianpopow · commit 64fcccd54cdc · 2023-05-18T20:08:08.000+02:00
diff --git a/src/ImageSharp/Formats/Tiff/Compression/HorizontalPredictor.cs b/src/ImageSharp/Formats/Tiff/Compression/HorizontalPredictor.cs
@@ -44,6 +44,7 @@ public static void Undo(Span<byte> pixelBytes, int width, TiffColorType colorTyp
                 UndoRgb24Bit(pixelBytes, width);
                 break;
             case TiffColorType.Rgba8888:
+            case TiffColorType.Cmyk:
                 UndoRgba32Bit(pixelBytes, width);
                 break;
             case TiffColorType.Rgb161616:
