sigmoidal-contrast: prevent argument out of range and remove unnecessary ClampToQuantum

[imagemagick] / MagickCore / signature.h

diff --git a/MagickCore/signature.h b/MagickCore/signature.h
index 6f59e384442dbf7729365b45e1f148fdf67a4c03..7171e025f5bd5634e74b606174e5ff903f67c36a 100644 (file)
--- a/MagickCore/signature.h
+++ b/MagickCore/signature.h
@@ -1,5 +1,5 @@
 /*
-  Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization
+  Copyright 1999-2012 ImageMagick Studio LLC, a non-profit organization
   dedicated to making software imaging solutions freely available.
   
   You may not use this file except in compliance with the License.
@@ -23,7 +23,7 @@ extern "C" {
 #endif
 
 extern MagickExport MagickBooleanType
-  SignatureImage(Image *);
+  SignatureImage(Image *,ExceptionInfo *);
 
 #if defined(__cplusplus) || defined(c_plusplus)
 }