diff options
Diffstat (limited to 'tdescreensaver/xsavers/xs_hsv.h')
| -rw-r--r-- | tdescreensaver/xsavers/xs_hsv.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tdescreensaver/xsavers/xs_hsv.h b/tdescreensaver/xsavers/xs_hsv.h new file mode 100644 index 00000000..e0fdfb0f --- /dev/null +++ b/tdescreensaver/xsavers/xs_hsv.h @@ -0,0 +1,27 @@ +/* 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__ */ |