blob: e0fdfb0fe60a8b9a204da7712069bbc52ffed6b0 (
plain) (
tree)
|
|
/* xscreensaver, Copyright (c) 1992, 1997 Jamie Zawinski <jwz@jwz.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation. No representations are made about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*/
#ifndef __HSV_H__
#define __HSV_H__
/* Converts between RGB and HSV color spaces.
R, G, and B are in the range 0 - 65535;
H is in the range 0 - 360;
S and V are in the range 0.0 - 1.0.
*/
extern void hsv_to_rgb (int h, double s, double v,
unsigned short *r,
unsigned short *g,
unsigned short *b);
extern void rgb_to_hsv (unsigned short r, unsigned short g, unsigned short b,
int *h, double *s, double *v);
#endif /* __HSV_H__ */
|
