1 /* GIMP - The GNU Image Manipulation Program
2  * Copyright (C) 1995 Spencer Kimball and Peter Mattis
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef __GIMP_COLOR_BAR_H__
19 #define __GIMP_COLOR_BAR_H__
20 
21 
22 #define GIMP_TYPE_COLOR_BAR            (gimp_color_bar_get_type ())
23 #define GIMP_COLOR_BAR(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_COLOR_BAR, GimpColorBar))
24 #define GIMP_COLOR_BAR_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_COLOR_BAR, GimpColorBarClass))
25 #define GIMP_IS_COLOR_BAR(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_COLOR_BAR))
26 #define GIMP_IS_COLOR_BAR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_COLOR_BAR))
27 #define GIMP_COLOR_BAR_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_COLOR_BAR, GimpColorBarClass))
28 
29 
30 typedef struct _GimpColorBarClass  GimpColorBarClass;
31 
32 struct _GimpColorBar
33 {
34   GtkEventBox     parent_class;
35 
36   GtkOrientation  orientation;
37   guchar          buf[3 * 256];
38 };
39 
40 struct _GimpColorBarClass
41 {
42   GtkEventBoxClass  parent_class;
43 };
44 
45 
46 GType       gimp_color_bar_get_type    (void) G_GNUC_CONST;
47 
48 GtkWidget * gimp_color_bar_new         (GtkOrientation        orientation);
49 
50 void        gimp_color_bar_set_color   (GimpColorBar         *bar,
51                                         const GimpRGB        *color);
52 void        gimp_color_bar_set_channel (GimpColorBar         *bar,
53                                         GimpHistogramChannel  channel);
54 void        gimp_color_bar_set_buffers (GimpColorBar         *bar,
55                                         const guchar         *red,
56                                         const guchar         *green,
57                                         const guchar         *blue);
58 
59 
60 #endif  /*  __GIMP_COLOR_BAR_H__  */
61