projects / screensavers / blame
| Commit | Line | Data |
|---|---|---|
| 3144ee8a AT |
1 | /* xscreensaver, Copyright (c) 1992, 1997 Jamie Zawinski <jwz@jwz.org> |
| 2 | * | |
| 3 | * Permission to use, copy, modify, distribute, and sell this software and its | |
| 4 | * documentation for any purpose is hereby granted without fee, provided that | |
| 5 | * the above copyright notice appear in all copies and that both that | |
| 6 | * copyright notice and this permission notice appear in supporting | |
| 7 | * documentation. No representations are made about the suitability of this | |
| 8 | * software for any purpose. It is provided "as is" without express or | |
| 9 | * implied warranty. | |
| 10 | */ | |
| 11 | ||
| 12 | #ifndef __HSV_H__ | |
| 13 | #define __HSV_H__ | |
| 14 | ||
| 15 | /* Converts between RGB and HSV color spaces. | |
| 16 | R, G, and B are in the range 0 - 65535; | |
| 17 | H is in the range 0 - 360; | |
| 18 | S and V are in the range 0.0 - 1.0. | |
| 19 | */ | |
| 20 | extern void hsv_to_rgb (int h, double s, double v, | |
| 21 | unsigned short *r, | |
| 22 | unsigned short *g, | |
| 23 | unsigned short *b); | |
| 24 | extern void rgb_to_hsv (unsigned short r, unsigned short g, unsigned short b, | |
| 25 | int *h, double *s, double *v); | |
| 26 | ||
| 27 | #endif /* __HSV_H__ */ |