Synopsis

GSList*             eog_pixbuf_get_savable_formats      (void);
GdkPixbufFormat*    eog_pixbuf_get_format_by_suffix     (const char *suffix);
GdkPixbufFormat*    eog_pixbuf_get_format               (GFile *file);
char*               eog_pixbuf_get_common_suffix        (GdkPixbufFormat *format);