(no commit message)

diff --git a/MagickCore/composite-private.h b/MagickCore/composite-private.h
index 0d233e5d48d2209d02f1ebdf26d06532254bb3fb..d963a7f7c01e76d9358dc62f43563cddd7e0dd00 100644 (file)
--- a/MagickCore/composite-private.h
+++ b/MagickCore/composite-private.h
@@ -41,7 +41,7 @@ static inline double MagickOver_(const double p,const double alpha,
 
   Sa=QuantumScale*alpha;
   Da=QuantumScale*beta;
-  return(Sa*p-Sa*Da*q+Da*q);
+  return(Sa*p+Da*q*(1.0-Sa));
 }
 
 static inline double RoundToUnity(const double value)