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/* 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.
*/
#if defined(GDK_PIXBUF_DISABLE_SINGLE_INCLUDES) && !defined (GDK_PIXBUF_H_INSIDE) && !defined (GDK_PIXBUF_COMPILATION)
#error "Only <gdk-pixbuf/gdk-pixbuf.h> can be included directly."
#endif
#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 {
char *prefix;
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,
GDK_PIXBUF_FORMAT_THREADSAFE = 1 << 2
} 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 */
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