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examples: Make possible to select the finger to enroll/verify

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Move some common functions to an utilities file.
This commit is contained in:
Marco Trevisan (Treviño)
2019-11-20 14:29:46 +01:00
committed by Benjamin Berg
parent f2b932960e
commit ab804f7f49
6 changed files with 169 additions and 59 deletions
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32
examples/enroll.c
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@@ -1,6 +1,6 @@
/*
* Example fingerprint enrollment program
* Enrolls your right index finger and saves the print to disk
* Enrolls your choosen finger and saves the print to disk
* Copyright (C) 2007 Daniel Drake <dsd@gentoo.org>
* Copyright (C) 2019 Marco Trevisan <marco.trevisan@canonical.com>
*
@@ -23,10 +23,12 @@
#include <libfprint/fprint.h>
#include "storage.h"
#include "utilities.h"
typedef struct _EnrollData
{
GMainLoop *loop;
FpFinger finger;
int ret_value;
} EnrollData;
@@ -82,7 +84,7 @@ on_enroll_completed (FpDevice *dev, GAsyncResult *res, void *user_data)
if (!fp_device_has_storage (dev))
{
g_debug ("Device has not storage, saving locally");
int r = print_data_save (print, FP_FINGER_RIGHT_INDEX);
int r = print_data_save (print, enroll_data->finger);
if (r < 0)
{
g_warning ("Data save failed, code %d", r);
@@ -139,11 +141,12 @@ on_device_opened (FpDevice *dev, GAsyncResult *res, void *user_data)
}
printf ("Opened device. It's now time to enroll your finger.\n\n");
printf ("You will need to successfully scan your finger %d times to "
"complete the process.\n\n", fp_device_get_nr_enroll_stages (dev));
printf ("You will need to successfully scan your %s finger %d times to "
"complete the process.\n\n", finger_to_string (enroll_data->finger),
fp_device_get_nr_enroll_stages (dev));
printf ("Scan your finger now.\n");
print_template = print_create_template (dev, FP_FINGER_RIGHT_INDEX);
print_template = print_create_template (dev, enroll_data->finger);
fp_device_enroll (dev, print_template, NULL, on_enroll_progress, NULL,
NULL, (GAsyncReadyCallback) on_enroll_completed,
enroll_data);
@@ -156,13 +159,23 @@ main (void)
g_autoptr(EnrollData) enroll_data = NULL;
GPtrArray *devices;
FpDevice *dev;
FpFinger finger;
printf ("This program will enroll your right index finger, "
"unconditionally overwriting any right-index print that was enrolled "
"previously. If you want to continue, press enter, otherwise hit "
"Ctrl+C\n");
g_print ("This program will enroll the selected finger, unconditionally "
"overwriting any print for the same finger that was enrolled "
"previously. If you want to continue, press enter, otherwise hit "
"Ctrl+C\n");
getchar ();
g_print ("Choose the finger to enroll:\n");
finger = finger_chooser ();
if (finger == FP_FINGER_UNKNOWN)
{
g_warning ("Unknown finger selected");
return EXIT_FAILURE;
}
setenv ("G_MESSAGES_DEBUG", "all", 0);
ctx = fp_context_new ();
@@ -182,6 +195,7 @@ main (void)
}
enroll_data = g_new0 (EnrollData, 1);
enroll_data->finger = finger;
enroll_data->ret_value = EXIT_FAILURE;
enroll_data->loop = g_main_loop_new (NULL, FALSE);