readpts.h

Hausdorff Distance for Image Recognition

/*
 *
 * $Header: /usr/u/wjr/src/support/RCS/readpts.h,v 1.3 1993/07/26 22:16:16 wjr Exp $
 *
 * Copyright (c) 1990, 1991, 1992, 1993 Cornell University.  All Rights
 * Reserved.
 *
 * Copyright (c) 1991, 1992 Xerox Corporation.  All Rights Reserved.
 *  
 * Use, reproduction, preparation of derivative works, and distribution
 * of this software is permitted.  Any copy of this software or of any
 * derivative work must include both the above copyright notices of
 * Cornell University and Xerox Corporation and this paragraph.  Any
 * distribution of this software or derivative works must comply with all
 * applicable United States export control laws.  This software is made
 * available AS IS, and XEROX CORPORATION DISCLAIMS ALL WARRANTIES,
 * EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE,
 * AND NOTWITHSTANDING ANY OTHER PROVISION CONTAINED HEREIN, ANY
 * LIABILITY FOR DAMAGES RESULTING FROM THE SOFTWARE OR ITS USE IS
 * EXPRESSLY DISCLAIMED, WHETHER ARISING IN CONTRACT, TORT (INCLUDING
 * NEGLIGENCE) OR STRICT LIABILITY, EVEN IF XEROX CORPORATION IS ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGES.
 */

#ifndef READPTS_H
#define READPTS_H

#include "image.h"

typedef struct {
    long x;
    long y;
    } point;

extern point *read_pts(FILE *file, unsigned *xsize, unsigned *ysize,
		       unsigned *npts, BinaryImage *pointim);
extern BinaryImage pts_to_bim(unsigned width, unsigned height,
			      int xbase, int ybase,
			      unsigned npts, point *pts);
extern void shuffle_pts(point *pts, unsigned npts);

#endif