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Return images through enroll/verify path

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Added new API functions to obtain images, even when scans are bad, perhaps
a useful way to show the user just how good/bad the scan actually was.

Drivers and examples updated accordingly.
This commit is contained in:
Daniel Drake
2007-11-13 20:46:15 +00:00
parent a86cd51959
commit 5485f8031d
10 changed files with 115 additions and 26 deletions
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11
examples/enroll.c
View File

@@ -47,13 +47,22 @@ struct fp_print_data *enroll(struct fp_dev *dev) {
"complete the process.\n", fp_dev_get_nr_enroll_stages(dev));
do {
struct fp_img *img = NULL;
sleep(1);
printf("\nScan your finger now.\n");
r = fp_enroll_finger(dev, &enrolled_print);
r = fp_enroll_finger_img(dev, &enrolled_print, &img);
if (img) {
fp_img_save_to_file(img, "enrolled.pgm");
printf("Wrote scanned image to enrolled.pgm\n");
fp_img_free(img);
}
if (r < 0) {
printf("Enroll failed with error %d\n", r);
return NULL;
}
switch (r) {
case FP_ENROLL_COMPLETE:
printf("Enroll complete!\n");

9
examples/verify.c
View File

@@ -44,9 +44,16 @@ int verify(struct fp_dev *dev, struct fp_print_data *data)
int r;
do {
struct fp_img *img = NULL;
sleep(1);
printf("\nScan your finger now.\n");
r = fp_verify_finger(dev, data);
r = fp_verify_finger_img(dev, data, &img);
if (img) {
fp_img_save_to_file(img, "verify.pgm");
printf("Wrote scanned image to verify.pgm\n");
fp_img_free(img);
}
if (r < 0) {
printf("verification failed with error %d :(\n", r);
return r;