libfprint/libfprint/assembling.h
Bastien Nocera 0930f2614c lib: Use public header in helper files
aeslib.h and assembling.h don't need access to internal data structures,
so make them include the public fprint.h rather than the internal header
fp_internal.h.
2018-05-29 13:34:18 +02:00

65 lines
2 KiB
C

/*
* Image assembling routines
* Shared functions between libfprint Authentec drivers
* Copyright (C) 2007 Daniel Drake <dsd@gentoo.org>
* Copyright (C) 2015 Vasily Khoruzhick <anarsoul@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __ASSEMBLING_H__
#define __ASSEMBLING_H__
#include <fprint.h>
struct fpi_frame {
int delta_x;
int delta_y;
unsigned char data[0];
};
struct fpi_frame_asmbl_ctx {
unsigned frame_width;
unsigned frame_height;
unsigned image_width;
unsigned char (*get_pixel)(struct fpi_frame_asmbl_ctx *ctx,
struct fpi_frame *frame,
unsigned x,
unsigned y);
};
void fpi_do_movement_estimation(struct fpi_frame_asmbl_ctx *ctx,
GSList *stripes, size_t stripes_len);
struct fp_img *fpi_assemble_frames(struct fpi_frame_asmbl_ctx *ctx,
GSList *stripes, size_t stripes_len);
struct fpi_line_asmbl_ctx {
unsigned line_width;
unsigned max_height;
unsigned resolution;
unsigned median_filter_size;
unsigned max_search_offset;
int (*get_deviation)(struct fpi_line_asmbl_ctx *ctx,
GSList *line1, GSList *line2);
unsigned char (*get_pixel)(struct fpi_line_asmbl_ctx *ctx,
GSList *line,
unsigned x);
};
struct fp_img *fpi_assemble_lines(struct fpi_line_asmbl_ctx *ctx,
GSList *lines, size_t lines_len);
#endif