1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpcolorarea.h
* Copyright (C) 2001-2002 Sven Neumann <sven@gimp.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/* This provides a color preview area. The preview
* can handle transparency by showing the checkerboard and
* handles drag'n'drop.
*/
#ifndef __GIMP_COLOR_AREA_H__
#define __GIMP_COLOR_AREA_H__
G_BEGIN_DECLS
#define GIMP_TYPE_COLOR_AREA (gimp_color_area_get_type ())
#define GIMP_COLOR_AREA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_COLOR_AREA, GimpColorArea))
#define GIMP_COLOR_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_COLOR_AREA, GimpColorAreaClass))
#define GIMP_IS_COLOR_AREA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_COLOR_AREA))
#define GIMP_IS_COLOR_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_COLOR_AREA))
#define GIMP_COLOR_AREA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_COLOR_AREA, GimpColorAreaClass))
typedef struct _GimpColorAreaClass GimpColorAreaClass;
struct _GimpColorArea
{
GtkDrawingArea parent_instance;
/*< private >*/
guchar *buf;
guint width;
guint height;
guint rowstride;
GimpColorAreaType type;
GimpRGB color;
guint draw_border : 1;
guint needs_render : 1;
};
struct _GimpColorAreaClass
{
GtkDrawingAreaClass parent_class;
void (* color_changed) (GimpColorArea *area);
/* Padding for future expansion */
void (* _gimp_reserved1) (void);
void (* _gimp_reserved2) (void);
void (* _gimp_reserved3) (void);
void (* _gimp_reserved4) (void);
};
GType gimp_color_area_get_type (void) G_GNUC_CONST;
GtkWidget * gimp_color_area_new (const GimpRGB *color,
GimpColorAreaType type,
GdkModifierType drag_mask);
void gimp_color_area_set_color (GimpColorArea *area,
const GimpRGB *color);
void gimp_color_area_get_color (GimpColorArea *area,
GimpRGB *color);
gboolean gimp_color_area_has_alpha (GimpColorArea *area);
void gimp_color_area_set_type (GimpColorArea *area,
GimpColorAreaType type);
void gimp_color_area_set_draw_border (GimpColorArea *area,
gboolean draw_border);
/* only for private use in libgimpwidgets */
G_GNUC_INTERNAL void _gimp_color_area_render_buf (GtkWidget *widget,
gboolean insensitive,
GimpColorAreaType type,
guchar *buf,
guint width,
guint height,
guint rowstride,
GimpRGB *color);
G_END_DECLS
#endif /* __GIMP_COLOR_AREA_H__ */
|