######################################################################
#
#  Turn a latex string into a PNG
#
######################################################################
#
#  This file is part of GNU EPrints 2.
#  
#  Copyright (c) 2000-2004 University of Southampton, UK. SO17 1BJ.
#  
#  EPrints 2 is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#  
#  EPrints 2 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 General Public License for more details.
#  
#  You should have received a copy of the GNU General Public License
#  along with EPrints 2; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
######################################################################

use EPrints;

use strict;

my $session = new EPrints::Session;
exit( 0 ) unless( defined $session );

my $latex = $session->param( "latex" );
$latex = "???" if( !defined $latex );

my $pngfile = EPrints::Latex::texstring_to_png( $session, $latex );

$session->send_http_header( content_type=>'image/png' );
open( PNG, $pngfile ) || die "can't open $pngfile";
while(<PNG>) { print; }
close PNG;

$session->terminate();