From: Cristy <urban-warrior@imagemagick.org>
Date: Thu, 31 Aug 2017 22:56:19 +0000 (-0400)
Subject: http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=32606
X-Git-Tag: 7.0.7-0~24
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ef1e89b2a4e260a82cf6db3f11e0f4446a59b6e0;p=imagemagick

http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=32606
---

diff --git a/coders/jp2.c b/coders/jp2.c
index c358066ef..ba50d0e14 100644
--- a/coders/jp2.c
+++ b/coders/jp2.c
@@ -466,6 +466,12 @@ static Image *ReadJP2Image(const ImageInfo *image_info,ExceptionInfo *exception)
         {
            case 0:
            {
+             if (jp2_image->numcomps == 1)
+               {
+                 SetPixelGray(image,ClampToQuantum(pixel),q);
+                 SetPixelAlpha(image,OpaqueAlpha,q);
+                 break;
+               }
              SetPixelRed(image,ClampToQuantum(pixel),q);
              SetPixelGreen(image,ClampToQuantum(pixel),q);
              SetPixelBlue(image,ClampToQuantum(pixel),q);