From: Dirk Lemstra <dirk@lemstra.org>
Date: Tue, 4 Dec 2018 21:33:33 +0000 (+0100)
Subject: Make sure the mipmaps have the same alpha trait #1405.
X-Git-Tag: 7.0.8-16~32
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5eb5f1f40ade6b39cacc7ad80d489ce09212bf92;p=imagemagick

Make sure the mipmaps have the same alpha trait #1405.
---

diff --git a/coders/dds.c b/coders/dds.c
index 44930e637..77b3efb9c 100644
--- a/coders/dds.c
+++ b/coders/dds.c
@@ -1962,8 +1962,9 @@ static MagickBooleanType ReadMipmaps(const ImageInfo *image_info,Image *image,
       for (i = 1; (i < (ssize_t) dds_info->mipmapcount) && w && h; i++)
       {
         AcquireNextImage(image_info,image,exception);
-        if (GetNextImageInList(image) == (Image *) NULL)
+        if (image->next == (Image *) NULL)
           return(MagickFalse);
+        image->next->alpha_trait=image->alpha_trait;
         image=SyncNextImageInList(image);
         status=SetImageExtent(image,w,h,exception);
         if (status == MagickFalse)