1 /* HSV color selector for GTK+
2  *
3  * Copyright (C) 1999 The Free Software Foundation
4  *
5  * Authors: Simon Budig <Simon.Budig@unix-ag.org> (original code)
6  *          Federico Mena-Quintero <federico@gimp.org> (cleanup for GTK+)
7  *          Jonathan Blandford <jrb@redhat.com> (cleanup for GTK+)
8  *
9  * This program is free software: you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 3 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
21  */
22 
23 /*
24  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
25  * file for a list of people on the GTK+ Team.  See the ChangeLog
26  * files for a list of changes.  These files are distributed with
27  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
28  */
29 
30 #ifndef __GIMP_COLOR_WHEEL_H__
31 #define __GIMP_COLOR_WHEEL_H__
32 
33 G_BEGIN_DECLS
34 
35 #define GIMP_TYPE_COLOR_WHEEL            (gimp_color_wheel_get_type ())
36 #define GIMP_COLOR_WHEEL(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_COLOR_WHEEL, GimpColorWheel))
37 #define GIMP_COLOR_WHEEL_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_COLOR_WHEEL, GimpColorWheelClass))
38 #define GIMP_IS_COLOR_WHEEL(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_COLOR_WHEEL))
39 #define GIMP_IS_COLOR_WHEEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_COLOR_WHEEL))
40 #define GIMP_COLOR_WHEEL_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_COLOR_WHEEL, GimpColorWheelClass))
41 
42 
43 typedef struct _GimpColorWheel      GimpColorWheel;
44 typedef struct _GimpColorWheelClass GimpColorWheelClass;
45 
46 struct _GimpColorWheel
47 {
48   GtkWidget parent_instance;
49 
50   /* Private data */
51   gpointer priv;
52 };
53 
54 struct _GimpColorWheelClass
55 {
56   GtkWidgetClass parent_class;
57 
58   /* Notification signals */
59   void (* changed) (GimpColorWheel   *wheel);
60 
61   /* Keybindings */
62   void (* move)    (GimpColorWheel   *wheel,
63                     GtkDirectionType  type);
64 
65   /* Padding for future expansion */
66   void (*_gimp_reserved1) (void);
67   void (*_gimp_reserved2) (void);
68   void (*_gimp_reserved3) (void);
69   void (*_gimp_reserved4) (void);
70 };
71 
72 
73 void        color_wheel_register_type          (GTypeModule     *module);
74 
75 GType       gimp_color_wheel_get_type          (void) G_GNUC_CONST;
76 GtkWidget * gimp_color_wheel_new               (void);
77 
78 void        gimp_color_wheel_set_color         (GimpColorWheel  *wheel,
79                                                 double           h,
80                                                 double           s,
81                                                 double           v);
82 void        gimp_color_wheel_get_color         (GimpColorWheel  *wheel,
83                                                 gdouble         *h,
84                                                 gdouble         *s,
85                                                 gdouble         *v);
86 
87 void        gimp_color_wheel_set_ring_fraction (GimpColorWheel  *wheel,
88                                                 gdouble          fraction);
89 gdouble     gimp_color_wheel_get_ring_fraction (GimpColorWheel  *wheel);
90 
91 void        gimp_color_wheel_set_color_config  (GimpColorWheel  *wheel,
92                                                 GimpColorConfig *config);
93 
94 gboolean    gimp_color_wheel_is_adjusting      (GimpColorWheel  *wheel);
95 
96 G_END_DECLS
97 
98 #endif /* __GIMP_COLOR_WHEEL_H__ */
99