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/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
  
  This software is provided AS-IS with no warranty, either express or
  implied.
  
  This software is distributed under license and may not be copied,
  modified or distributed except as expressly authorized under the terms
  of the license contained in the file LICENSE in this distribution.
  
  For more information about licensing, please refer to
  http://www.ghostscript.com/licensing/. For information on
  commercial licensing, go to http://www.artifex.com/licensing/ or
  contact Artifex Software, Inc., 101 Lucas Valley Road #110,
  San Rafael, CA  94903, U.S.A., +1(415)492-9861.
*/

/* $Id: gsalpha.h,v 1.5 2002/06/16 08:45:42 lpd 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 */