ref: 6fa3e08412c49a188e2abe7d9ee54cd1f37a85f5
dir: /sys/src/cmd/gs/src/gxlum.h/
/* Copyright (C) 1992 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: gxlum.h,v 1.4 2002/02/21 22:24:53 giles Exp $ */ /* Luminance computation parameters for Ghostscript */ #ifndef gxlum_INCLUDED # define gxlum_INCLUDED /* Color weights used for computing luminance. */ #define lum_red_weight 30 #define lum_green_weight 59 #define lum_blue_weight 11 #define lum_all_weights (lum_red_weight + lum_green_weight + lum_blue_weight) #endif /* gxlum_INCLUDED */