http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=31210

diff --git a/ChangeLog b/ChangeLog
index 76e12bf50d0435a6137e655d8376765550b36440..9bcc82e4d3c19363d26be8f389aa1bbc4b829020 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-01-18  7.0.4-5 Cristy  <quetzlzacatenango@image...>
+  * Don't set background for transparent tiled images (reference
+    http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=31210).
+
 2017-01-14  7.0.4-4 Cristy  <quetzlzacatenango@image...>
   * Release ImageMagick version 7.0.4-4, GIT revision 19361:a12953c:20170114.
 

diff --git a/coders/tile.c b/coders/tile.c
index aa527d96b17ede0e547a525226bdaef9ce89e90f..aa5368bc999a77b17cc7cab7ed51a005b21f7a71 100644 (file)
--- a/coders/tile.c
+++ b/coders/tile.c
@@ -124,9 +124,8 @@ static Image *ReadTILEImage(const ImageInfo *image_info,
     return(DestroyImageList(image));
   image->colorspace=tile_image->colorspace;
   image->alpha_trait=tile_image->alpha_trait;
-  if (image->alpha_trait != UndefinedPixelTrait)
-    (void) SetImageBackgroundColor(image,exception);
-  (void) CopyMagickString(image->filename,image_info->filename,MagickPathExtent);
+  (void) CopyMagickString(image->filename,image_info->filename,
+    MagickPathExtent);
   if (LocaleCompare(tile_image->magick,"PATTERN") == 0)
     {
       tile_image->tile_offset.x=0;