From: Cristy <urban-warrior@imagemagick.org>
Date: Wed, 17 May 2017 19:11:19 +0000 (-0400)
Subject: ...
X-Git-Tag: 7.0.5-7~4
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=63571f7da1de27ef4c9c6c8b2bda8c6b6df212e0;p=imagemagick

...
---

diff --git a/MagickWand/compare.c b/MagickWand/compare.c
index 03b867a2c..3341cda5e 100644
--- a/MagickWand/compare.c
+++ b/MagickWand/compare.c
@@ -120,6 +120,7 @@ static MagickBooleanType CompareUsage(void)
       "                     transparent, extract, background, or shape",
       "-authenticate password",
       "                     decipher image with this password",
+      "-background color    background color",
       "-colorspace type     alternate image colorspace",
       "-compose operator    set image composite operator",
       "-compress type       type of pixel compression when writing the image",
@@ -396,6 +397,15 @@ WandExport MagickBooleanType CompareImagesCommand(ImageInfo *image_info,
       }
       case 'b':
       {
+        if (LocaleCompare("background",option+1) == 0)
+          {
+            if (*option == '+')
+              break;
+            i++;
+            if (i == (ssize_t) argc)
+              ThrowCompareException(OptionError,"MissingArgument",option);
+            break;
+          }
         if (LocaleCompare("brightness-contrast",option+1) == 0)
           {
             i++;
diff --git a/utilities/compare.1.in b/utilities/compare.1.in
index 21f74b905..d6c0d92af 100644
--- a/utilities/compare.1.in
+++ b/utilities/compare.1.in
@@ -13,6 +13,7 @@ Image Settings:
   \-alpha option        on, activate, off, deactivate, set, opaque, copy
                         transparent, extract, background, or shape
   \-authenticate value  decrypt image with this password
+  \-background color    background color
   \-colorspace type     alternate image colorspace
   \-compose operator    set image composite operator
   \-compress type       type of pixel compression when writing the image