From: Cristy <urban-warrior@imagemagick.org>
Date: Wed, 30 Dec 2015 15:17:39 +0000 (-0500)
Subject: TIFF Group4 compression requires an image depth of 1
X-Git-Tag: 7.0.1-0~388
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3cb17ec22660447ea2193b34dcffba386781302d;p=imagemagick

TIFF Group4 compression requires an image depth of 1
---

diff --git a/coders/tiff.c b/coders/tiff.c
index e2dfcee36..8a854202c 100755
--- a/coders/tiff.c
+++ b/coders/tiff.c
@@ -3194,6 +3194,7 @@ static MagickBooleanType WriteTIFFImage(const ImageInfo *image_info,
       case Group4Compression:
       {
         (void) SetImageType(image,BilevelType,exception);
+        (void) SetImageDepth(image,1,exception);
         break;
       }
       case JPEGCompression: