Copyright 2008 Kevin Ryde This file is part of Gtk2-Ex-Xor. Gtk2-Ex-Xor 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 2, or (at your option) any later version. Gtk2-Ex-Xor is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Gtk2-Ex-Xor. If not, see . Version 2, September 2008 - cope with resize of widgets while xoring active - draw into subwindows for Gnome2::Canvas and Goo::Canvas, reported by zentara Version 1, June 2008 - the first version