Copyright 2008 New Zealand Digital Library Project
   at the University of Waikato, New Zealand

   Licensed under the ImageMagick License (the "License"); you may not use
   this file except in compliance with the License.  You may obtain a copy
   of the License at

     http://www.imagemagick.org/script/license.php

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
   License for the specific language governing permissions and limitations
   under the License.