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Diffstat (limited to 'uisimulator/hsv.h')
-rw-r--r-- | uisimulator/hsv.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/uisimulator/hsv.h b/uisimulator/hsv.h new file mode 100644 index 0000000000..e0fdfb0fe6 --- /dev/null +++ b/uisimulator/hsv.h | |||
@@ -0,0 +1,27 @@ | |||
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__ */ | ||