1 /* Copyright (C) 1997 Aladdin Enterprises. All rights reserved. 2 3 This software is provided AS-IS with no warranty, either express or 4 implied. 5 6 This software is distributed under license and may not be copied, 7 modified or distributed except as expressly authorized under the terms 8 of the license contained in the file LICENSE in this distribution. 9 10 For more information about licensing, please refer to 11 http://www.ghostscript.com/licensing/. For information on 12 commercial licensing, go to http://www.artifex.com/licensing/ or 13 contact Artifex Software, Inc., 101 Lucas Valley Road #110, 14 San Rafael, CA 94903, U.S.A., +1(415)492-9861. 15 */ 16 17 /* $Id: gsalpha.h,v 1.5 2002/06/16 08:45:42 lpd Exp $ */ 18 /* API for alpha value in graphics state */ 19 20 #ifndef gsalpha_INCLUDED 21 # define gsalpha_INCLUDED 22 23 /* 24 * This tiny little file is separate so that it can be included by 25 * gsstate.c for initializing the alpha value, even in configurations 26 * that don't have full alpha support. 27 */ 28 29 /* Set/read alpha value. */ 30 int gs_setalpha(gs_state *, floatp); 31 float gs_currentalpha(const gs_state *); 32 33 #endif /* gsalpha_INCLUDED */ 34