https://github.com/ImageMagick/ImageMagick/issues/1724

ImageMagick · Oct 6, 2019 · a47e7a9 · a47e7a9
1 parent f35eca8
commit a47e7a9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/MagickCore/channel.c b/MagickCore/channel.c
@@ -1284,14 +1284,14 @@ MagickExport MagickBooleanType SetImageAlphaChannel(Image *image,
 
         if (status == MagickFalse)
           continue;
+        ConformPixelInfo(image,&image->background_color,&background,exception);
         q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
           exception);
         if (q == (Quantum *) NULL)
           {
             status=MagickFalse;
             continue;
           }
-        ConformPixelInfo(image,&image->background_color,&background,exception);
         background.alpha_trait=BlendPixelTrait;
         for (x=0; x < (ssize_t) image->columns; x++)
         {