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- /* 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 */
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