edit

src/Lib/Img.php

@@ -485,7 +485,7 @@ class Img
                     $dest_y = $water_y;
                 }
 
-                $water = $this->_gd_copy($water,$dest_x,$dest_y,$water_x,$water_y,0,0,false,1);
+                $water = $this->_gd_copy($water,$dest_x,$dest_y,$water_x,$water_y,0,0,false,2);
 
                 $xy = $this->_get_mark($dest_x, $dest_y, $dest_x, $dest_y);
                 $water_x = $dest_x;