commit 60dc90cdf6f68661b2f095063867d06babaafc9c
author cristy <urban-warrior@git.imagemagick.org> Sat Feb 09 18:33:21 2013 +0000
committer cristy <urban-warrior@git.imagemagick.org> Sat Feb 09 18:33:21 2013 +0000
tree adfb253e18bb89f96bd5b6e1e9aad916fb56a093
parent bc7f40f39bd23e86dfb4fe46846cd377a7672f76

MagickCore/composite.c

diff --git a/MagickCore/composite.c b/MagickCore/composite.c
index 2a7c727..40dc59c 100644
--- a/MagickCore/composite.c
+++ b/MagickCore/composite.c
@@ -612,6 +612,9 @@
   if (IsGrayColorspace(image->colorspace) != MagickFalse)
     (void) SetImageColorspace(image,RGBColorspace,exception);
   (void) SetImageColorspace(composite_image,image->colorspace,exception);
+  if ((image->alpha_trait == BlendPixelTrait) &&
+      (composite_image->alpha_trait != BlendPixelTrait))
+    SetImageAlphaChannel(composite_image,SetAlphaChannel,exception);
   if ((compose == OverCompositeOp) || (compose == SrcOverCompositeOp))
     {
       status=CompositeOverImage(image,composite_image,clip_to_self,x_offset,