/*                         M A T E R . H
 * BRL-CAD
 *
 * Copyright (C) 1985-2005 United States Government as represented by
 * the U.S. Army Research Laboratory.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this file; see the file named COPYING for more
 * information.
 */
/** @file mater.h
 *  
 *  Information about mapping between region IDs and material
 *  information (colors and outboard database "handles").
 *  
 *  Author -
 *	Michael John Muuss
 *  
 *  Source -
 *	SECAD/VLD Computing Consortium, Bldg 394
 *	The U. S. Army Ballistic Research Laboratory
 *	Aberdeen Proving Ground, Maryland  21005
 *
 *  $Header: /cvsroot/brlcad/brlcad/include/mater.h,v 14.6 2005/05/28 02:14:49 brlcad Exp $
 */

#include "bu.h"

#ifndef RT_EXPORT
#if defined(_WIN32) && !defined(__CYGWIN__) && defined(BRLCAD_DLL)
#ifdef RT_EXPORT_DLL
#define RT_EXPORT __declspec(dllexport)
#else
#define RT_EXPORT __declspec(dllimport)
#endif
#else
#define RT_EXPORT
#endif
#endif

struct mater {
	short		mt_low;		/* bounds of region IDs, inclusive */
	short		mt_high;
	unsigned char	mt_r;		/* color */
	unsigned char	mt_g;
	unsigned char	mt_b;
	long		mt_daddr;	/* db address, for updating */
	struct mater	*mt_forw;	/* next in chain */
};
#define MATER_NULL	((struct mater *)0)
#define MATER_NO_ADDR	(-1L)		/* invalid mt_daddr */

RT_EXPORT extern struct mater *rt_material_head; /* defined in mater.c */
RT_EXPORT BU_EXTERN(void rt_insert_color,
		       (struct mater *newp));

/*
 * Local Variables:
 * mode: C
 * tab-width: 8
 * c-basic-offset: 4
 * indent-tabs-mode: t
 * End:
 * ex: shiftwidth=4 tabstop=8
 */
