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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/* GdkPixbuf library - Io handling. This is an internal header for
* GdkPixbuf. You should never use it unless you are doing development for
* GdkPixbuf itself.
*
* Copyright (C) 1999 The Free Software Foundation
*
* Authors: Mark Crichton <crichton@gimp.org>
* Miguel de Icaza <miguel@gnu.org>
* Federico Mena-Quintero <federico@gimp.org>
* Jonathan Blandford <jrb@redhat.com>
* Michael Fulbright <drmike@redhat.com>
*
* 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.
*/
#ifndef GDK_PIXBUF_IO_H
#define GDK_PIXBUF_IO_H
#include <stdio.h>
#include <glib.h>
#include <gmodule.h>
#include <gdk-pixbuf/gdk-pixbuf-core.h>
#include <gdk-pixbuf/gdk-pixbuf-animation.h>
G_BEGIN_DECLS
typedef struct _GdkPixbufFormat GdkPixbufFormat;
GSList *gdk_pixbuf_get_formats (void);
gchar *gdk_pixbuf_format_get_name (GdkPixbufFormat *format);
gchar *gdk_pixbuf_format_get_description (GdkPixbufFormat *format);
gchar **gdk_pixbuf_format_get_mime_types (GdkPixbufFormat *format);
gchar **gdk_pixbuf_format_get_extensions (GdkPixbufFormat *format);
gboolean gdk_pixbuf_format_is_writable (GdkPixbufFormat *format);
gboolean gdk_pixbuf_format_is_scalable (GdkPixbufFormat *format);
gboolean gdk_pixbuf_format_is_disabled (GdkPixbufFormat *format);
void gdk_pixbuf_format_set_disabled (GdkPixbufFormat *format,
gboolean disabled);
gchar *gdk_pixbuf_format_get_license (GdkPixbufFormat *format);
GdkPixbufFormat *gdk_pixbuf_get_file_info (const gchar *filename,
gint *width,
gint *height);
#ifdef GDK_PIXBUF_ENABLE_BACKEND
typedef void (* GdkPixbufModuleSizeFunc) (gint *width,
gint *height,
gpointer user_data);
typedef void (* GdkPixbufModulePreparedFunc) (GdkPixbuf *pixbuf,
GdkPixbufAnimation *anim,
gpointer user_data);
typedef void (* GdkPixbufModuleUpdatedFunc) (GdkPixbuf *pixbuf,
int x,
int y,
int width,
int height,
gpointer user_data);
typedef struct _GdkPixbufModulePattern GdkPixbufModulePattern;
struct _GdkPixbufModulePattern {
unsigned char *prefix;
unsigned char *mask;
int relevance;
};
typedef struct _GdkPixbufModule GdkPixbufModule;
struct _GdkPixbufModule {
char *module_name;
char *module_path;
GModule *module;
GdkPixbufFormat *info;
GdkPixbuf *(* load) (FILE *f,
GError **error);
GdkPixbuf *(* load_xpm_data) (const char **data);
/* Incremental loading */
gpointer (* begin_load) (GdkPixbufModuleSizeFunc size_func,
GdkPixbufModulePreparedFunc prepare_func,
GdkPixbufModuleUpdatedFunc update_func,
gpointer user_data,
GError **error);
gboolean (* stop_load) (gpointer context,
GError **error);
gboolean (* load_increment) (gpointer context,
const guchar *buf,
guint size,
GError **error);
/* Animation loading */
GdkPixbufAnimation *(* load_animation) (FILE *f,
GError **error);
/* Saving */
gboolean (* save) (FILE *f,
GdkPixbuf *pixbuf,
gchar **param_keys,
gchar **param_values,
GError **error);
gboolean (*save_to_callback) (GdkPixbufSaveFunc save_func,
gpointer user_data,
GdkPixbuf *pixbuf,
gchar **option_keys,
gchar **option_values,
GError **error);
/*< private >*/
void (*_reserved1) (void);
void (*_reserved2) (void);
void (*_reserved3) (void);
void (*_reserved4) (void);
void (*_reserved5) (void);
};
typedef void (* GdkPixbufModuleFillVtableFunc) (GdkPixbufModule *module);
typedef void (* GdkPixbufModuleFillInfoFunc) (GdkPixbufFormat *info);
/* key/value pairs that can be attached by the pixbuf loader */
gboolean gdk_pixbuf_set_option (GdkPixbuf *pixbuf,
const gchar *key,
const gchar *value);
typedef enum /*< skip >*/
{
GDK_PIXBUF_FORMAT_WRITABLE = 1 << 0,
GDK_PIXBUF_FORMAT_SCALABLE = 1 << 1
} GdkPixbufFormatFlags;
struct _GdkPixbufFormat {
gchar *name;
GdkPixbufModulePattern *signature;
gchar *domain;
gchar *description;
gchar **mime_types;
gchar **extensions;
guint32 flags;
gboolean disabled;
gchar *license;
};
#endif /* GDK_PIXBUF_ENABLE_BACKEND */
G_END_DECLS
#endif /* GDK_PIXBUF_IO_H */
|