wgcv

#!/usr/bin/env python
# -*- coding: utf-8 -*-

# Example of `bridge' design pattern
# This code is part of http://wp.me/p1Fz60-8y
# Copyright (C) 2011 Radek Pazdera

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or