241 lines
6.4 KiB
C
241 lines
6.4 KiB
C
/*
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* Internal/private definitions for libfprint
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* Copyright (C) 2007-2008 Daniel Drake <dsd@gentoo.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __FPRINT_INTERNAL_H__
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#define __FPRINT_INTERNAL_H__
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#include <config.h>
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#include <stdint.h>
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#include <errno.h>
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#include <glib.h>
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#include <libusb.h>
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#include "fprint.h"
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#include "fpi-dev.h"
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#include "fpi-core.h"
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#include "fpi-log.h"
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#include "fpi-dev-img.h"
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#include "fpi-data.h"
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#include "fpi-img.h"
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#include "drivers/driver_ids.h"
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/* Global variables */
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extern libusb_context *fpi_usb_ctx;
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extern GSList *opened_devices;
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/* fp_print_data structure definition */
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enum fp_print_data_type {
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PRINT_DATA_RAW = 0, /* memset-imposed default */
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PRINT_DATA_NBIS_MINUTIAE
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};
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struct fp_print_data {
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uint16_t driver_id;
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uint32_t devtype;
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enum fp_print_data_type type;
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GSList *prints;
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};
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/* fp_dev structure definition */
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enum fp_dev_state {
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DEV_STATE_INITIAL = 0,
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DEV_STATE_ERROR,
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DEV_STATE_INITIALIZING,
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DEV_STATE_INITIALIZED,
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DEV_STATE_DEINITIALIZING,
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DEV_STATE_DEINITIALIZED,
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DEV_STATE_ENROLL_STARTING,
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DEV_STATE_ENROLLING,
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DEV_STATE_ENROLL_STOPPING,
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DEV_STATE_VERIFY_STARTING,
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DEV_STATE_VERIFYING,
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DEV_STATE_VERIFY_DONE,
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DEV_STATE_VERIFY_STOPPING,
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DEV_STATE_IDENTIFY_STARTING,
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DEV_STATE_IDENTIFYING,
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DEV_STATE_IDENTIFY_DONE,
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DEV_STATE_IDENTIFY_STOPPING,
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DEV_STATE_CAPTURE_STARTING,
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DEV_STATE_CAPTURING,
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DEV_STATE_CAPTURE_DONE,
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DEV_STATE_CAPTURE_STOPPING,
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};
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struct fp_dev {
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struct fp_driver *drv;
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uint32_t devtype;
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/* only valid if drv->type == DRIVER_IMAGING */
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struct fp_img_dev *img_dev;
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/* Link to the instance specific struct */
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void *instance_data;
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int nr_enroll_stages;
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/* FIXME: This will eventually have a bus type */
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libusb_device_handle *udev;
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/* read-only to drivers */
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struct fp_print_data *verify_data;
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/* drivers should not mess with any of the below */
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enum fp_dev_state state;
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int __enroll_stage;
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int unconditional_capture;
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/* async I/O callbacks and data */
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/* FIXME: convert this to generic state operational data mechanism? */
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fp_dev_open_cb open_cb;
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void *open_cb_data;
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fp_operation_stop_cb close_cb;
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void *close_cb_data;
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fp_enroll_stage_cb enroll_stage_cb;
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void *enroll_stage_cb_data;
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fp_operation_stop_cb enroll_stop_cb;
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void *enroll_stop_cb_data;
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fp_img_operation_cb verify_cb;
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void *verify_cb_data;
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fp_operation_stop_cb verify_stop_cb;
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void *verify_stop_cb_data;
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fp_identify_cb identify_cb;
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void *identify_cb_data;
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fp_operation_stop_cb identify_stop_cb;
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void *identify_stop_cb_data;
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fp_img_operation_cb capture_cb;
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void *capture_cb_data;
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fp_operation_stop_cb capture_stop_cb;
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void *capture_stop_cb_data;
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/* FIXME: better place to put this? */
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struct fp_print_data **identify_gallery;
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};
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/* fp_img_dev structure definition */
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struct fp_img_dev {
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struct fp_dev *parent;
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enum fp_imgdev_action action;
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int action_state;
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struct fp_print_data *acquire_data;
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struct fp_print_data *enroll_data;
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struct fp_img *acquire_img;
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int enroll_stage;
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int action_result;
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/* FIXME: better place to put this? */
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size_t identify_match_offset;
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};
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/* fp_driver structure definition */
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/* fp_img_driver structure definition */
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#define container_of(ptr, type, member) ({ \
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const typeof( ((type *)0)->member ) *__mptr = (ptr); \
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(type *)( (char *)__mptr - offsetof(type,member) );})
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#define fpi_driver_to_img_driver(drv) \
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container_of((drv), struct fp_img_driver, driver)
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/* fp_dscv_dev structure definition */
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struct fp_dscv_dev {
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struct libusb_device *udev;
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struct fp_driver *drv;
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unsigned long driver_data;
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uint32_t devtype;
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};
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/* fp_dscv_print structure definition */
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struct fp_dscv_print {
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uint16_t driver_id;
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uint32_t devtype;
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enum fp_finger finger;
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char *path;
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};
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/* fp_minutia structure definition */
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struct fp_minutia {
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int x;
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int y;
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int ex;
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int ey;
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int direction;
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double reliability;
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int type;
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int appearing;
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int feature_id;
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int *nbrs;
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int *ridge_counts;
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int num_nbrs;
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};
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/* fp_minutiae structure definition */
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struct fp_minutiae {
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int alloc;
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int num;
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struct fp_minutia **list;
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};
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/* Defined in fpi-dev-img.c */
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void fpi_img_driver_setup(struct fp_img_driver *idriver);
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int fpi_imgdev_get_img_width(struct fp_img_dev *imgdev);
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int fpi_imgdev_get_img_height(struct fp_img_dev *imgdev);
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/* Exported for use in command-line tools
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* Defined in fpi-core.c */
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struct fp_driver **fprint_get_drivers (void);
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/* Defined in fpi-core.c */
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enum fp_print_data_type fpi_driver_get_data_type(struct fp_driver *drv);
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/* Defined in fpi-data.c */
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void fpi_data_exit(void);
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gboolean fpi_print_data_compatible(uint16_t driver_id1, uint32_t devtype1,
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enum fp_print_data_type type1, uint16_t driver_id2, uint32_t devtype2,
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enum fp_print_data_type type2);
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/* Defined in fpi-img.c */
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gboolean fpi_img_is_sane(struct fp_img *img);
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int fpi_img_to_print_data(struct fp_img_dev *imgdev, struct fp_img *img,
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struct fp_print_data **ret);
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int fpi_img_compare_print_data(struct fp_print_data *enrolled_print,
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struct fp_print_data *new_print);
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int fpi_img_compare_print_data_to_gallery(struct fp_print_data *print,
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struct fp_print_data **gallery, int match_threshold, size_t *match_offset);
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/* Defined in fpi-poll.c */
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void fpi_timeout_cancel_all_for_dev(struct fp_dev *dev);
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void fpi_poll_init(void);
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void fpi_poll_exit(void);
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/* Defined in fpi-async.c */
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void fpi_drvcb_capture_started(struct fp_dev *dev, int status);
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void fpi_drvcb_report_capture_result(struct fp_dev *dev, int result,
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struct fp_img *img);
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void fpi_drvcb_capture_stopped(struct fp_dev *dev);
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void fpi_drvcb_identify_started(struct fp_dev *dev, int status);
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void fpi_drvcb_report_identify_result(struct fp_dev *dev, int result,
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size_t match_offset, struct fp_img *img);
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void fpi_drvcb_identify_stopped(struct fp_dev *dev);
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#include "drivers_definitions.h"
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#endif
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