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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)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include "include/forms.h"
#include "flimage.h"
static void initialize( void );
static void usage( const char *,
int );
static int parse_command_line( int *,
char ** );
/***************************************
***************************************/
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 ] == '.';
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 "
"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 FL_UNUSED_ARG,
const char * s FL_UNUSED_ARG )
{
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 ], "-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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