libvips/tools/other/glds.c

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2009-08-16 17:00:08 +02:00
/* @(#) Creates a cooourrence matrix from an image
* @(#) Usage: glds image matrix xpos ypos xsize ysize dx dy
*
* Copyright: 1991, N. Dessipris.
*
* Author: N. Dessipris
* Written on: 26/03/1991
* Modified on:
*/
/*
This file is part of VIPS.
VIPS 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 of the License, or
(at your option) any later version.
This program 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 program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /*HAVE_CONFIG_H*/
#include <vips/intl.h>
#include <stdio.h>
#include <stdlib.h>
#include <vips/vips.h>
int
main( int argc, char **argv )
{
IMAGE *image, *matrix;
int xpos, ypos, xsize, ysize, dx, dy;
if( im_init_world( argv[0] ) )
error_exit( "unable to start VIPS" );
if (argc != 9)
error_exit("Usage:\n\
%s image matrix xpos ypos xsize ysize dx dy\n\
WARNING: The program overwrites the output file if the owner has rw access.",
argv[0]);
xpos = atoi(argv[3]);
ypos = atoi(argv[4]);
xsize = atoi(argv[5]);
ysize = atoi(argv[6]);
dx = atoi(argv[7]);
dy = atoi(argv[8]);
if ( (image = im_open(argv[1],"r")) == NULL )
error_exit("Unable to open %s for input", argv[1]);
if ( (matrix = im_open(argv[2],"w")) == NULL )
error_exit("Unable to open %s for output", argv[2]);
if ( im_glds_matrix(image, matrix, xpos, ypos, xsize, ysize,
dx, dy) == -1 )
error_exit("Unable to im_glds_matrix");
if ( im_updatehist(image, argv[0], argc - 1, argv + 1) == -1)
error_exit("Unable to update history");
if ( ( im_close( image ) == -1 )||( im_close( matrix ) == -1 ) )
error_exit("Unable to close %s or %s", argv[1], argv[2]);
return(0);
}