From 561c5d82a77366758c13b4f1095cae9aa271c88e Mon Sep 17 00:00:00 2001
From: Ildar Khayrutdinov <ildarkhairutdin@gmail.com>
Date: Mon, 20 Feb 2023 11:23:23 +0300
Subject: [PATCH] assert not supported ink names

---
 src/ImageSharp/Formats/Tiff/TiffDecoderOptionsParser.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/ImageSharp/Formats/Tiff/TiffDecoderOptionsParser.cs b/src/ImageSharp/Formats/Tiff/TiffDecoderOptionsParser.cs
index a13fb58de7..26905965ee 100644
--- a/src/ImageSharp/Formats/Tiff/TiffDecoderOptionsParser.cs
+++ b/src/ImageSharp/Formats/Tiff/TiffDecoderOptionsParser.cs
@@ -509,6 +509,11 @@ internal static class TiffDecoderOptionsParser
                     TiffThrowHelper.ThrowNotSupported("Only 8 bits per channel is supported for CMYK images.");
                 }
 
+                if (exifProfile.GetValueInternal(ExifTag.InkNames) is not null)
+                {
+                    TiffThrowHelper.ThrowNotSupported("The custom ink name strings are not supported for CMYK images.");
+                }
+
                 options.ColorType = TiffColorType.Cmyk;
                 break;
             }