libvips/tools/other/sines.c

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/* @(#) Creates a scaled uchar sinewave waveform.
* @(#) Usage: sines file xsize ysize horfrew 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 <vips/vips.h>
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#include <vips/internal.h>
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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" );
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_scale(bufim, image) == -1)
error_exit("Unable to im_scale");
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);
}