From d14051c3fc43c00b17f00aac0907f860e2c3a8ff Mon Sep 17 00:00:00 2001
From: dirk <dirk@git.imagemagick.org>
Date: Thu, 26 Feb 2015 06:15:35 +0000
Subject: [PATCH] Added extra check to avoid an exception.

---
 Magick++/lib/Image.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Magick++/lib/Image.cpp b/Magick++/lib/Image.cpp
index 6d76ec3f6a..c8f95baa36 100644
--- a/Magick++/lib/Image.cpp
+++ b/Magick++/lib/Image.cpp
@@ -2372,6 +2372,9 @@ bool Magick::Image::compare(const Image &reference_)
   Image
     ref=reference_;
 
+  if (columns() != reference_.columns() || rows() != reference_.rows())
+    return(false);
+
   GetPPException;
   modifyImage();
   status=static_cast<bool>(IsImagesEqual(image(),ref.constImage(),