From: Cristy <urban-warrior@imagemagick.org>
Date: Wed, 15 Feb 2017 01:24:53 +0000 (-0500)
Subject: ...
X-Git-Tag: 7.0.4-10~14
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=763abbbec68e6337d58a97e95a118e7fdbce813e;p=imagemagick

...
---

diff --git a/MagickCore/signature.c b/MagickCore/signature.c
index 60bea2300..3eadfbed3 100644
--- a/MagickCore/signature.c
+++ b/MagickCore/signature.c
@@ -520,7 +520,7 @@ MagickExport MagickBooleanType SignatureImage(Image *image,
       register ssize_t
         i;
 
-      if (GetPixelWriteMask(image,p) == 0)
+      if (GetPixelReadMask(image,p) == 0)
         {
           p+=GetPixelChannels(image);
           continue;