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/*
*
* This file is part of XForms.
*
* XForms 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, or
* (at your option) any later version.
*
* XForms 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 XForms; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*
*/
/*
* Convert an image file using the image support of Forms Library.
*
*
* Usage: iconvert [-version][-verbose][-help] inputimage outimage [fmt]
* output image format is determined by the extension or
* by fmt if present.
*
* Exit status: 0 (success) 1 (bad command line) 3 (conversion failed)
*
* T.C. Zhao (03/1999)
*
*/
#include <stdlib.h>
#include "forms.h"
#include "flimage.h"
static void initialize(void);
static void usage(const char *, int);
static int parse_command_line(int *, char **);
static char *version="$Id: iconvert.c,v 0.11 1999/03/15 04:13:45 zhao Exp $";
int
main(int argc, char *argv[])
{
FL_IMAGE *im;
const char *fmt = 0;
char *const *args;
initialize();
args = argv + parse_command_line(&argc, argv);
if ( argc < 3 || !(fmt = argc>=4 ? args[3]: strrchr(args[2],'.')))
usage(argv[0], argc>=3);
fmt += (fmt[0]=='.'); /* remove . */
im = flimage_load(strdup(args[1]));
return flimage_dump(im, args[2], fmt) < 0 ? 3:0;
}
static void usage(const char *cmd, int more)
{
const FLIMAGE_FORMAT_INFO *info;
int n, i, k;
fprintf(stderr,"Usage: %s [-verbose][-help] infile outfile [fmt]\n", cmd);
if(!more)
exit(1);
fputs(" The output format is determined by the file extension ",stderr);
fputs("or fmt.\n fmt or extension must be one of the following\n",stderr);
n = flimage_get_number_of_formats();
for ( i = 1, k = 0; i <= n; i++)
{
info = flimage_get_format_info(i);
if((info->read_write & FLIMAGE_WRITABLE))
{
fprintf(stderr,"\t%s", info->extension);
if((++k%6) == 0)
fputc('\n',stderr);
}
}
if(k%6)
fputc('\n', stderr);
exit(1);
}
/* shut up visual_cue */
static int noop(FL_IMAGE *im, const char *s)
{
return 0;
}
static int parse_command_line(int *argc, char *argv[])
{
int i;
static FLIMAGE_SETUP setup;
setup.visual_cue = noop;
for ( i = 1; i < *argc && *argv[i]=='-';)
{
if(strncmp(argv[i],"-verb",5)==0)
{
setup.visual_cue = 0;
i++;
}
else if(strncmp(argv[i],"-vers",5)==0)
{
fprintf(stderr,"%s\n",version);
exit(0);
}
else if(strncmp(argv[i],"-h",2)==0)
{
usage(argv[0],1);
i++;
}
else
usage(argv[0],0);
}
flimage_setup(&setup);
*argc -= i-1;
return i-1;
}
static void initialize(void)
{
flimage_enable_xpm();
flimage_enable_gif();
flimage_enable_bmp();
flimage_enable_sgi();
flimage_enable_fits();
flimage_enable_png();
flimage_enable_xwd();
flimage_enable_tiff();
flimage_enable_ps();
#ifndef NO_JPEG
flimage_enable_jpeg();
#endif
}
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