NDWeb/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 NDWeb::Image;
  21 use strict;
  22 use warnings;
  23
  24 use base qw/NDWeb::Page/;
  25
  26
  27 sub render {
  28         my $self = shift;
  29
  30         my $img;
  31         eval {
  32                 $img =  $self->render_body;
  33         };
  34         if (defined $img){
  35                 if ((my $rc = $self->{R}->meets_conditions) != Apache2::Const::OK){
  36                         $self->{R}->status($rc);
  37                 }else{
  38                         $self->{R}->headers_out->set(Content_Length => length $img);
  39                         $self->{R}->content_type('image/png');
  40                         $self->{R}->rflush;
  41                         binmode STDOUT;
  42                         print $img;
  43                 }
  44         }elsif(defined $@){
  45                 $self->{R}->content_type('text/plain');
  46                 print $@;
  47         }
  48 };
  49
  50 1;