From: cristy <urban-warrior@git.imagemagick.org>
Date: Fri, 8 Feb 2013 18:41:18 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~4276
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3a3b9964fecf4c9afe3e82fca663db591d691b44;p=imagemagick

---

diff --git a/MagickCore/threshold.c b/MagickCore/threshold.c
index cb313b201..6480605df 100644
--- a/MagickCore/threshold.c
+++ b/MagickCore/threshold.c
@@ -401,6 +401,8 @@ MagickExport MagickBooleanType BilevelImage(Image *image,const double threshold,
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
   if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
     return(MagickFalse);
+  if (IsGrayColorspace(image->colorspace) != MagickFalse)
+    (void) TransformImageColorspace(image,RGBColorspace,exception);
   /*
     Bilevel threshold image.
   */