1 /* Copyright (C) 2001-2019 Artifex Software, Inc. 2 All Rights Reserved. 3 4 This software is provided AS-IS with no warranty, either express or 5 implied. 6 7 This software is distributed under license and may not be copied, 8 modified or distributed except as expressly authorized under the terms 9 of the license contained in the file LICENSE in this distribution. 10 11 Refer to licensing information at http://www.artifex.com or contact 12 Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato, 13 CA 94945, U.S.A., +1(415)492-9861, for further information. 14 */ 15 16 17 /* API for alpha value in graphics state */ 18 19 #ifndef gsalpha_INCLUDED 20 # define gsalpha_INCLUDED 21 22 #include "gsgstate.h" 23 24 /* 25 * This tiny little file is separate so that it can be included by 26 * gsstate.c for initializing the alpha value, even in configurations 27 * that don't have full alpha support. 28 */ 29 30 /* Set/read alpha value. */ 31 int gs_setalpha(gs_gstate *, double); 32 float gs_currentalpha(const gs_gstate *); 33 34 #endif /* gsalpha_INCLUDED */ 35