[Sommaire] [Imprimer]

   1  <?php 
   2     /**************************************************************************\
   3     * eGroupWare - UploadImage-plugin for htmlArea                             *
   4     * http://www.eGroupWare.org                                                *
   5     * Written and (c) by Xiang Wei ZHUO <wei@zhuo.org>                         *
   6     * Modified for eGW by and (c) by Pim Snel <pim@lingewoud.nl>               *
   7     * --------------------------------------------                             *
   8     * This program is free software; you can redistribute it and/or modify it  *
   9     * under the terms of the GNU General Public License as published by the    *
  10     * Free Software Foundation; version 2 of the License.                      *
  11     * --------------------------------------------                             *
  12     * Title.........:    Thumbnail generator, with cache.                      *
  13     * Version.......:    1.01                                                  *
  14     * Author........:    Xiang Wei ZHUO <wei@zhuo.org>                         *
  15     * Notes.........:    Configuration in config.inc.php                       *
  16     *                                                                          *
  17     * Functions                                                                *
  18     * - if the thumbnail does not exists or the source file is newer, create a *
  19     * new thumbnail.                                                           *
  20     \**************************************************************************/
  21  
  22     /* $id */
  23  
  24     require_once  'config.inc.php';
  25     require_once  'std_functions.inc.php';
  26     require_once  '../ImageEditor/Transform.php';
  27  
  28     $img = $BASE_DIR.urldecode($_GET['img']);
  29  
  30     if(is_file($img)) {
  31        make_thumbs(urldecode($_GET['img']));
  32     }
  33  
  34     function make_thumbs($img) 
  35     {
  36        global $BASE_DIR, $BASE_URL;
  37  
  38        $path_info = pathinfo($img);
  39        $path = $path_info['dirname']."/";
  40        $img_file = $path_info['basename'];
  41  
  42        $thumb = $path.'.'.$img_file;
  43  
  44        $img_info = getimagesize($BASE_DIR.$path.$img_file);
  45        $w = $img_info[0]; $h = $img_info[1];
  46  
  47        $nw = 96; $nh = 96;
  48  
  49        if($w <= $nw && $h <= $nh) {
  50           header('Location: '.$BASE_URL.$path.$img_file);
  51           exit();        
  52        }
  53  
  54        if(is_file($BASE_DIR.$thumb)) {
  55  
  56           $t_mtime = filemtime($BASE_DIR.$thumb);
  57           $o_mtime = filemtime($BASE_DIR.$img);
  58  
  59           if($t_mtime > $o_mtime) {
  60              //echo $BASE_URL.$path.'.'.$img_file;
  61              header('Location: '.$BASE_URL.$path.'.'.$img_file);
  62              exit();        
  63           }
  64        }
  65  
  66        $img_thumbs = Image_Transform::factory(IMAGE_CLASS);
  67        $img_thumbs->load($BASE_DIR.$path.$img_file);
  68  
  69        if ($w > $h) 
  70        $nh = unpercent(percent($nw, $w), $h);          
  71        else if ($h > $w) 
  72        $nw = unpercent(percent($nh, $h), $w); 
  73  
  74        $img_thumbs->resize($nw, $nh);
  75  
  76        $img_thumbs->save($BASE_DIR.$thumb);
  77        $img_thumbs->free();
  78  
  79        chmod($BASE_DIR.$thumb, 0666);
  80  
  81        if(is_file($BASE_DIR.$thumb)) {
  82           header('Location: '.$BASE_URL.$path.'.'.$img_file);
  83           exit();
  84        }
  85     }
  86  
  87  ?>