widgets/misc/e-hsv-utils.h


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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
#ifndef _E_HSV_UTILS_H_
#define _E_HSV_UTILS_H_

#include <libgnome/gnome-defs.h>
#include <gdk/gdk.h>

BEGIN_GNOME_DECLS

void  e_hsv_to_rgb  (gdouble   h,
             gdouble   s,
             gdouble   v,
             gdouble  *r,
             gdouble  *g,
             gdouble  *b);

void  e_rgb_to_hsv  (gdouble   r,
             gdouble   g,
             gdouble   b,
             gdouble  *h,
             gdouble  *s,
             gdouble  *v);

void  e_hsv_tweak   (GdkColor *colour,
             gdouble   delta_h,
             gdouble   delta_s,
             gdouble   delta_v);

END_GNOME_DECLS

#endif /* _E_HSV_UTILS_H_ */