Do the unsharp operation later at the end of the command string

diff --git a/framework/Image/lib/Horde/Image/Effect/Im/Unsharpmask.php b/framework/Image/lib/Horde/Image/Effect/Im/Unsharpmask.php
index 39b4ec6..477296a 100644 (file)
--- a/framework/Image/lib/Horde/Image/Effect/Im/Unsharpmask.php
+++ b/framework/Image/lib/Horde/Image/Effect/Im/Unsharpmask.php
@@ -51,7 +51,7 @@ class Horde_Image_Effect_Im_Unsharpmask extends Horde_Image_Effect
         $this->_params['sigma'] = ($this->_params['radius'] < 1) ?
                 $this->_params['radius'] : sqrt($this->_params['radius']);
 
-        $this->_image->addOperation("-unsharp {$this->_params['radius']}x{$this->_params['sigma']}+{$this->_params['amount']}+{$this->_params['threshold']}");
+        $this->_image->addPostSrcOperation("-unsharp {$this->_params['radius']}x{$this->_params['sigma']}+{$this->_params['amount']}+{$this->_params['threshold']}");
 
         return true;
     }