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/*
* color.h
*
* Copyright (C) 1989, 1991, Craig E. Kolb
* All rights reserved.
*
* This software may be freely copied, modified, and redistributed
* provided that this copyright notice is preserved on all copies.
*
* You may not distribute this software, in whole or in part, as part of
* any commercial product without the express consent of the authors.
*
* There is no warranty or other guarantee of fitness of this software
* for any purpose. It is provided solely "as is".
*
* $Id$
*
* $Log$
*/
#ifndef COLOR_H
#define COLOR_H
/*
* Color
*/
typedef struct Color {
Float r, g, b; /* Red, green, blue. */
} Color;
#define ColorScale(s,c,a) (a)->r = (s)*(c).r, \
(a)->g = (s)*(c).g, \
(a)->b = (s)*(c).b
#define ColorAddScaled(x, s, y, c) (c)->r = (x).r + (s)*(y).r, \
(c)->g = (x).g + (s)*(y).g, \
(c)->b = (x).b + (s)*(y).b
#endif COLOR_H
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