Correct return type for atk_image_set_image_description()
[platform/upstream/atk.git] / atk / atkimage.h
1 /* ATK -  Accessibility Toolkit
2  * Copyright 2001 Sun Microsystems Inc.
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library 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 GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19
20 #ifndef __ATK_IMAGE_H__
21 #define __ATK_IMAGE_H__
22
23 #include <atk/atkobject.h>
24
25 #ifdef __cplusplus
26 extern "C" {
27 #endif /* __cplusplus */
28
29 /*
30  * The AtkImage interface should be supported by any object that has an 
31  * associated image. This interface provides the standard mechanism for 
32  * an assistive technology to get descriptive information about images.
33  */
34
35 #define ATK_TYPE_IMAGE                   (atk_image_get_type ())
36 #define ATK_IS_IMAGE(obj)                G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_IMAGE)
37 #define ATK_IMAGE(obj)                   G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_IMAGE, AtkImage)
38 #define ATK_IMAGE_GET_IFACE(obj)         (G_TYPE_INSTANCE_GET_INTERFACE ((obj), ATK_TYPE_IMAGE, AtkImageIface))
39
40 #ifndef _TYPEDEF_ATK_IMAGE_
41 #define _TYPEDEF_ATK_IMAGE_
42 typedef struct _AtkImage AtkImage;
43 #endif
44 typedef struct _AtkImageIface AtkImageIface;
45
46 typedef enum
47 {
48   ATK_IMAGE_EMPTY,
49   ATK_IMAGE_PIXMAP,
50   ATK_IMAGE_IMAGE,
51   ATK_IMAGE_PIXBUF,
52   ATK_IMAGE_STOCK,
53   ATK_IMAGE_ICON_SET
54 } AtkImageType;
55
56 struct _AtkImageIface
57 {
58   GTypeInterface parent;
59
60   /*
61    * Gets the type of representation being used to store image data
62    */
63   AtkImageType     (*get_storage_type)              (AtkImage              *image);
64   /*
65    * Gets the description of the image
66    */
67   G_CONST_RETURN   gchar* ( *get_image_description) (AtkImage              *image);
68   /*
69    * Gets the height of the image
70    */
71   gint     ( *get_image_height)      (AtkImage              *image);
72   /*
73    * Gets the width of the image
74    */
75   gint     ( *get_image_width)       (AtkImage              *image);
76   /*
77    * Sets the description of the image
78    */
79   gboolean ( *set_image_description) (AtkImage              *image,
80                                       const gchar           *description);
81
82 };
83 GType  atk_image_get_type             (void);
84
85 AtkImageType          atk_image_get_storage_type      (AtkImage   *image);
86 G_CONST_RETURN gchar* atk_image_get_image_description (AtkImage   *image);
87
88 gint     atk_image_get_image_height      (AtkImage           *image);
89
90 gint     atk_image_get_image_width       (AtkImage           *image);
91
92 gboolean atk_image_set_image_description (AtkImage           *image,
93                                           const gchar       *description);
94
95
96 #ifdef __cplusplus
97 }
98 #endif /* __cplusplus */
99
100
101 #endif /* __ATK_IMAGE_H__ */