libfprint/libfprint/assembling.h
Vasily Khoruzhick e40f7bd1f7 lib: move frame assembling routines into a separate file and make them usable by non-aes drivers
Frame assembling routines are not aes-specific, so move them into a separate file
and add an accessor for peeking a pixel.
2015-12-16 13:24:38 -08:00

51 lines
1.6 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 <fp_internal.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);
};
unsigned int fpi_do_movement_estimation(struct fpi_frame_asmbl_ctx *ctx,
GSList *stripes, size_t stripes_len,
gboolean reverse);
struct fp_img *fpi_assemble_frames(struct fpi_frame_asmbl_ctx *ctx,
GSList *stripes, size_t stripes_len);
#endif