commit f4ad9df69835f9ed5c687a9f93e8a53e23a3258f
author cristy <urban-warrior@git.imagemagick.org> Fri Jul 08 16:49:03 2011 +0000
committer cristy <urban-warrior@git.imagemagick.org> Fri Jul 08 16:49:03 2011 +0000
tree 1ed6ecf69649f55e079ef80c7eab41f69da479c6
parent d42d995b9cb2a16e13221e665554417a5b7ec7fb

MagickCore/image.c

diff --git a/MagickCore/image.c b/MagickCore/image.c
index 97a8cc7..fd88b44 100644
--- a/MagickCore/image.c
+++ b/MagickCore/image.c
@@ -3602,7 +3602,9 @@
         status=TransformImageColorspace(image,RGBColorspace);
       if (image->matte == MagickFalse)
         (void) SetImageAlphaChannel(image,OpaqueAlphaChannel);
-      (void) BilevelImageChannel(image,AlphaChannel,(double) QuantumRange/2.0);
+      PushPixelComponentMap(image,AlphaChannel);
+      (void) BilevelImage(image,(double) QuantumRange/2.0);
+      PopPixelComponentMap(image);
       quantize_info=AcquireQuantizeInfo(image_info);
       status=QuantizeImage(quantize_info,image);
       quantize_info=DestroyQuantizeInfo(quantize_info);