/* Portions Copyright (C) 2001 artofcode LLC.
   Portions Copyright (C) 1996, 2001 Artifex Software Inc.
   Portions Copyright (C) 1988, 2000 Aladdin Enterprises.
   This software is based in part on the work of the Independent JPEG Group.
   All Rights Reserved.

   This software is distributed under license and may not be copied, modified
   or distributed except as expressly authorized under the terms of that
   license.  Refer to licensing information at http://www.artifex.com/ or
   contact Artifex Software, Inc., 101 Lucas Valley Road #110,
   San Rafael, CA  94903, (415)492-9861, for further information. */

/*$RCSfile: gxlum.h,v $ $Revision: 1.7 $ */
/* 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 */
