ND/Web/Image.pm

   1 #**************************************************************************
   2 #   Copyright (C) 2006 by Michael Andreen <harvATruinDOTnu>               *
   3 #                                                                         *
   4 #   This program is free software; you can redistribute it and/or modify  *
   5 #   it under the terms of the GNU General Public License as published by  *
   6 #   the Free Software Foundation; either version 2 of the License, or     *
   7 #   (at your option) any later version.                                   *
   8 #                                                                         *
   9 #   This program is distributed in the hope that it will be useful,       *
  10 #   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12 #   GNU General Public License for more details.                          *
  13 #                                                                         *
  14 #   You should have received a copy of the GNU General Public License     *
  15 #   along with this program; if not, write to the                         *
  16 #   Free Software Foundation, Inc.,                                       *
  17 #   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  18 #**************************************************************************/
  19
  20 package ND::Web::Image;
  21 use strict;
  22 use warnings;
  23 use CGI qw/:standard/;
  24
  25 use base qw/ND::Web::Page/;
  26
  27
  28 sub render {
  29         my $self = shift;
  30
  31         my $img;
  32         eval {
  33                 $img =  $self->render_body;
  34         };
  35         if (defined $img){
  36                 print header(-type=> 'image/png', -Content_Length => length $img);
  37                 binmode STDOUT;
  38                 print $img;
  39         }else{
  40                 print header;
  41                 print $@;
  42         }
  43 };
  44
  45 1;