/*
 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
 * 
 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
 * Copyright (©) 1992,2007 Frank Tore Johansen
 * 
 * Crossfire TRT 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 of the License, or (at your option)
 * any later version.
 * 
 * This program 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 Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 * 
 * The authors can be reached via e-mail to <crossfire@schmorp.de>
 */

/*
 * Expands a layout by 2x in each dimension.
 * (Header file)
 * H. S. Teoh
 * --------------------------------------------------------------------------
 * $Id: expand2x.h,v 1.2 2007/05/28 21:15:56 root Exp $
 */

#ifndef EXPAND2X_H
#define EXPAND2X_H

/* Expands a layout by 2x in each dimension.
 * Resulting layout is actually (2*xsize-1)x(2*ysize-1). (Because of the cheesy
 * algorithm, but hey, it works).
 *
 * Don't forget to free the old layout after this is called (it does not
 * presume to do so itself).
 */
char **expand2x(char **layout, int xsize, int ysize);

#endif /* EXPAND2X_H */