Fixed comparison for ChangeMaskCompositeOp.

diff --git a/MagickCore/composite.c b/MagickCore/composite.c
index 627e0c81f2c8de202e7e726336ba71c944100e84..f49894102a8975bb47c23c18e4e1428143550235 100644 (file)
--- a/MagickCore/composite.c
+++ b/MagickCore/composite.c
@@ -1560,7 +1560,7 @@ MagickExport MagickBooleanType CompositeImage(Image *image,
                 MagickBooleanType
                   equivalent;
 
-                if (Da > ((MagickRealType) QuantumRange/2.0))
+                if (Da < 0.5)
                   {
                     pixel=(MagickRealType) TransparentAlpha;
                     break;