93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
/* @(#) Creates a byte square waveform. Binary image with 0 and 255
|
|
* @(#) Usage: squares file xsize ysize horfreq verfreq
|
|
*
|
|
* 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 <locale.h>
|
|
|
|
#include <vips/vips.h>
|
|
#include <vips/internal.h>
|
|
#include <vips/deprecated.h>
|
|
|
|
int
|
|
main( int argc, char **argv )
|
|
{
|
|
IMAGE *image, *bufim;
|
|
int xsize, ysize;
|
|
double horfreq, verfreq;
|
|
|
|
if( im_init_world( argv[0] ) )
|
|
error_exit( "unable to start VIPS" );
|
|
textdomain( GETTEXT_PACKAGE );
|
|
setlocale( LC_ALL, "" );
|
|
|
|
if (argc != 6)
|
|
error_exit("Usage:\n%s file xsize ysize horfreq verfreq\n\n\
|
|
WARNING: The program overwrites the output file if the owner has rw access.",
|
|
argv[0]);
|
|
|
|
xsize = atoi(argv[2]);
|
|
ysize = atoi(argv[3]);
|
|
horfreq = atof(argv[4]);
|
|
verfreq = atof(argv[5]);
|
|
|
|
if ( (bufim = im_setbuf("temp.v")) == NULL )
|
|
error_exit("Unable to set buffer image");
|
|
|
|
if ( im_sines(bufim, xsize, ysize, horfreq, verfreq) == -1 )
|
|
error_exit("Unable to im_sines");
|
|
|
|
if ( (image = im_openout(argv[1])) == NULL )
|
|
error_exit("Unable to open %s for output", argv[1]);
|
|
|
|
if ( im_thresh(bufim, image, (double)0.0) == -1)
|
|
error_exit("Unable to im_thresh");
|
|
|
|
if ( im_updatehist(image, argv[0], argc - 1, argv + 1) == -1)
|
|
error_exit("Unable to update history");
|
|
|
|
if ( ( im_close( image ) == -1 )||( im_close( bufim ) == -1 ) )
|
|
error_exit("Unable to close %s or buffer image",
|
|
argv[1]);
|
|
|
|
return(0);
|
|
}
|