110 lines
3.3 KiB
C
110 lines
3.3 KiB
C
/*
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* Main definitions for libfprint
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* Copyright (C) 2007 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_H__
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#define __FPRINT_H__
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/* structs that applications are not allowed to peek into */
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struct fp_dscv_dev;
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struct fp_dev;
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struct fp_driver;
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struct fp_print_data;
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struct fp_img;
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/* misc/general stuff */
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enum fp_finger {
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LEFT_THUMB = 1,
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LEFT_INDEX,
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LEFT_MIDDLE,
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LEFT_RING,
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LEFT_LITTLE,
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RIGHT_THUMB,
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RIGHT_INDEX,
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RIGHT_MIDDLE,
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RIGHT_RING,
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RIGHT_LITTLE,
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};
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/* Device discovery */
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struct fp_dscv_dev **fp_discover_devs(void);
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void fp_dscv_devs_free(struct fp_dscv_dev **devs);
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struct fp_driver *fp_dscv_dev_get_driver(struct fp_dscv_dev *dev);
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/* Device handling */
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struct fp_dev *fp_dev_open(struct fp_dscv_dev *ddev);
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void fp_dev_close(struct fp_dev *dev);
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struct fp_driver *fp_dev_get_driver(struct fp_dev *dev);
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int fp_dev_get_nr_enroll_stages(struct fp_dev *dev);
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struct fp_img_dev *fp_dev_to_img_dev(struct fp_dev *dev);
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/* Drivers */
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const char *fp_driver_get_name(struct fp_driver *drv);
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const char *fp_driver_get_full_name(struct fp_driver *drv);
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/* Enrollment */
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enum fp_enroll_result {
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FP_ENROLL_COMPLETE = 1,
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FP_ENROLL_FAIL,
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FP_ENROLL_PASS,
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FP_ENROLL_RETRY = 100,
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FP_ENROLL_RETRY_TOO_SHORT,
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FP_ENROLL_RETRY_CENTER_FINGER,
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FP_ENROLL_RETRY_REMOVE_FINGER,
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};
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int fp_enroll_finger(struct fp_dev *dev, struct fp_print_data **print_data);
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/* Verification */
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enum fp_verify_result {
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FP_VERIFY_NO_MATCH = 0,
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FP_VERIFY_MATCH = 1,
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FP_VERIFY_RETRY = FP_ENROLL_RETRY,
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FP_VERIFY_RETRY_TOO_SHORT = FP_ENROLL_RETRY_TOO_SHORT,
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FP_VERIFY_RETRY_CENTER_FINGER = FP_ENROLL_RETRY_CENTER_FINGER,
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FP_VERIFY_RETRY_REMOVE_FINGER = FP_ENROLL_RETRY_REMOVE_FINGER,
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};
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int fp_verify_finger(struct fp_dev *dev, struct fp_print_data *enrolled_print);
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/* Data handling */
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int fp_print_data_load(struct fp_dev *dev, enum fp_finger finger,
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struct fp_print_data **data);
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int fp_print_data_save(struct fp_print_data *data, enum fp_finger finger);
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void fp_print_data_free(struct fp_print_data *data);
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/* Imaging devices */
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int fp_imgdev_capture(struct fp_img_dev *imgdev, int unconditional,
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struct fp_img **image);
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int fp_imgdev_get_img_width(struct fp_img_dev *imgdev);
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int fp_imgdev_get_img_height(struct fp_img_dev *imgdev);
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/* Image handling */
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int fp_img_get_height(struct fp_img *img);
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int fp_img_get_width(struct fp_img *img);
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unsigned char *fp_img_get_data(struct fp_img *img);
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int fp_img_save_to_file(struct fp_img *img, char *path);
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void fp_img_standardize(struct fp_img *img);
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void fp_img_free(struct fp_img *img);
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/* Library */
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int fp_init(void);
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#endif
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