(imagemagick_compute_animated_image): Clean up code slightly

diff --git a/src/image.c b/src/image.c
index 3c5ee4c..bc9f9ab 100644 (file)
--- a/src/image.c
+++ b/src/image.c
@@ -7929,20 +7929,15 @@ imagemagick_compute_animated_image (MagickWand *super_wand, int ino)
          dest = PixelGetNextIteratorRow (dest_iterator, &dest_width);
          for (x = 0; x < source_width; x++)
            {
-             if (dispose == BackgroundDispose)
+             /* Normally we only copy over non-transparent pixels,
+                but if the disposal method is "Background", then we
+                copy over all pixels.  */
+             if (dispose == BackgroundDispose ||
+                 PixelGetAlpha (source[x]))
                {
                  PixelGetMagickColor (source[x], &pixel);
                  PixelSetMagickColor (dest[x], &pixel);
                }
-             else
-               {
-                 /* Copy over non-transparent pixels. */
-                 if (PixelGetAlpha (source[x]))
-                   {
-                     PixelGetMagickColor (source[x], &pixel);
-                     PixelSetMagickColor (dest[x], &pixel);
-                   }
-               }
            }
          PixelSyncIterator(dest_iterator);
        }