classes/plimage.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2011 Polytechnique.org                              *
   4  *  http://opensource.polytechnique.org/                                   *
   5  *                                                                         *
   6  *  This program is free software; you can redistribute it and/or modify   *
   7  *  it under the terms of the GNU General Public License as published by   *
   8  *  the Free Software Foundation; either version 2 of the License, or      *
   9  *  (at your option) any later version.                                    *
  10  *                                                                         *
  11  *  This program is distributed in the hope that it will be useful,        *
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
  14  *  GNU General Public License for more details.                           *
  15  *                                                                         *
  16  *  You should have received a copy of the GNU General Public License      *
  17  *  along with this program; if not, write to the Free Software            *
  18  *  Foundation, Inc.,                                                      *
  19  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                *
  20  ***************************************************************************/
  21
  22 class PlImage {
  23     protected $mime = null;
  24     protected $x = null;
  25     protected $y = null;
  26     protected $ts = null;
  27
  28     protected $data = null;
  29     protected $file = null;
  30
  31     protected function __construct()
  32     {
  33     }
  34
  35     public function send()
  36     {
  37         if (!is_null($this->ts)) {
  38             header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $this->ts) . ' GMT');
  39         }
  40         pl_cached_dynamic_content_headers($this->mime);
  41         if (empty($this->data)) {
  42             readfile($this->file);
  43         } else {
  44             echo $this->data;
  45         }
  46         exit;
  47     }
  48
  49     public function path()
  50     {
  51         if (empty($this->data)) {
  52             return $this->file;
  53         } else {
  54             $name = md5($this->data);
  55             $GLOBALS['img' . $name] = $this->data;
  56             return 'var://img' . $name;
  57         }
  58     }
  59
  60     public function width()
  61     {
  62         return $this->x;
  63     }
  64
  65     public function height()
  66     {
  67         return $this->y;
  68     }
  69
  70     public function mimeType()
  71     {
  72         return $this->mime;
  73     }
  74
  75     public static function fromData($data, $mime, $x = null, $y = null, $ts = null)
  76     {
  77         $image = new PlImage();
  78         $image->data = $data;
  79         $image->mime = $mime;
  80         $image->x    = $x;
  81         $image->y    = $y;
  82         $image->ts   = $ts;
  83         return $image;
  84     }
  85
  86     public static function fromFile($path, $mime, $x = null, $y = null, $ts = null)
  87     {
  88         $image = new PlImage();
  89         $image->file = $path;
  90         $image->mime = $mime;
  91         $image->x    = $x;
  92         $image->y    = $y;
  93         $image->ts   = $ts;
  94         return $image;
  95     }
  96 }
  97
  98 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker fenc=utf-8:
  99 ?>