/* Copyright (C) 2001-2006 artofcode LLC.
   All Rights Reserved.
  
  This file is part of GNU ghostscript

  GNU ghostscript is free software; you can redistribute it and/or
  modify it under the terms of the version 2 of the GNU General Public
  License as published by the Free Software Foundation.

  GNU ghostscript 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
  ghostscript; see the file COPYING. If not, write to the Free Software Foundation,
  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

*/

/* $Id: gsalpha.h,v 1.6 2007/08/01 14:26:00 jemarch Exp $ */
/* API for alpha value in graphics state */

#ifndef gsalpha_INCLUDED
#  define gsalpha_INCLUDED

/*
 * This tiny little file is separate so that it can be included by
 * gsstate.c for initializing the alpha value, even in configurations
 * that don't have full alpha support.
 */

/* Set/read alpha value. */
int gs_setalpha(gs_state *, floatp);
float gs_currentalpha(const gs_state *);

#endif /* gsalpha_INCLUDED */
