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Print discovery

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Add concept of "discovered prints" and flesh out the API. A discovered print
was found based on file name but has not been checked for file integrity,
and of course there is no guarantee that it is usable when you try to
use it later (might have been deleted, etc).

The .fprint directory structure was changed - instead of using mnemonics
like "rind" we use their numeric value in the fp_finger enum as the filename.
This commit is contained in:
Daniel Drake
2007-10-31 13:12:04 +00:00
parent b96aade69c
commit 447b1f01b3
4 changed files with 353 additions and 95 deletions
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16
libfprint/fp_internal.h
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@@ -103,7 +103,7 @@ struct fp_driver {
void *priv;
/* Device operations */
int (*discover)(struct usb_id *usb_id, uint32_t *devtype);
int (*discover)(const struct usb_id *usb_id, uint32_t *devtype);
int (*init)(struct fp_dev *dev, unsigned long driver_data);
void (*exit)(struct fp_dev *dev);
int (*enroll)(struct fp_dev *dev, gboolean initial, int stage,
@@ -111,6 +111,8 @@ struct fp_driver {
int (*verify)(struct fp_dev *dev, struct fp_print_data *data);
};
enum fp_print_data_type fpi_driver_get_data_type(struct fp_driver *drv);
/* flags for fp_img_driver.flags */
#define FP_IMGDRV_SUPPORTS_UNCONDITIONAL_CAPTURE (1 << 0)
@@ -145,6 +147,13 @@ struct fp_dscv_dev {
uint32_t devtype;
};
struct fp_dscv_print {
uint16_t driver_id;
uint32_t devtype;
enum fp_finger finger;
char *path;
};
enum fp_print_data_type {
PRINT_DATA_RAW = 0, /* memset-imposed default */
PRINT_DATA_NBIS_MINUTIAE,
@@ -167,8 +176,9 @@ struct fpi_print_data_fp1 {
} __attribute__((__packed__));
struct fp_print_data *fpi_print_data_new(struct fp_dev *dev, size_t length);
gboolean fpi_print_data_compatible(struct fp_print_data *data,
struct fp_dev *dev);
gboolean fpi_print_data_compatible(uint16_t driver_id1, uint32_t devtype1,
enum fp_print_data_type type1, uint16_t driver_id2, uint32_t devtype2,
enum fp_print_data_type type2);
/* bit values for fp_img.flags */
#define FP_IMG_V_FLIPPED (1<<0)