site_media/xinha/plugins/ImageManager/thumbs.php

   1 <?php
   2 /**
   3  * On the fly Thumbnail generation.
   4  * Creates thumbnails given by thumbs.php?img=/relative/path/to/image.jpg
   5  * relative to the base_dir given in config.inc.php
   6  * @author $Author:ray $
   7  * @version $Id:thumbs.php 677 2007-01-19 22:24:36Z ray $
   8  * @package ImageManager
   9  */
  10
  11 require_once('config.inc.php');
  12 require_once('Classes/ImageManager.php');
  13 require_once('Classes/Thumbnail.php');
  14
  15 //check for img parameter in the url
  16 if(!isset($_GET['img']))
  17         {
  18         exit();
  19         }
  20
  21
  22 $manager = new ImageManager($IMConfig);
  23
  24 //get the image and the full path to the image
  25 $image = rawurldecode($_GET['img']);
  26 $fullpath = Files::makeFile($manager->getImagesDir(),$image);
  27
  28 //not a file, so exit
  29 if(!is_file($fullpath))
  30         {
  31         exit();
  32         }
  33
  34 $imgInfo = @getImageSize($fullpath);
  35
  36 //Not an image, send default thumbnail
  37 if(!is_array($imgInfo))
  38 {
  39         //show the default image, otherwise we quit!
  40         $default = $manager->getDefaultThumb();
  41         if($default)
  42         {
  43                 header('Location: '.$default);
  44                 exit();
  45         }
  46 }
  47 //if the image is less than the thumbnail dimensions
  48 //send the original image as thumbnail
  49
  50 if ($imgInfo[0] <= $IMConfig['thumbnail_width']
  51  && $imgInfo[1] <= $IMConfig['thumbnail_height'])
  52  {
  53
  54          header('Location: '. $manager->getFileURL($image));
  55          exit();
  56  }
  57
  58 //Check for thumbnails
  59 $thumbnail = $manager->getThumbName($fullpath);
  60
  61 if(is_file($thumbnail))
  62 {
  63         //if the thumbnail is newer, send it
  64         if(filemtime($thumbnail) >= filemtime($fullpath))
  65         {
  66                 header('Location: '.$manager->getThumbURL($image));
  67                 exit();
  68         }
  69 }
  70
  71 //creating thumbnails
  72 $thumbnailer = new Thumbnail($IMConfig['thumbnail_width'],$IMConfig['thumbnail_height']);
  73 $thumbnailer->createThumbnail($fullpath, $thumbnail);
  74
  75 //Check for NEW thumbnails
  76 if(is_file($thumbnail))
  77 {
  78         //send the new thumbnail
  79         header('Location: '.$manager->getThumbURL($image));
  80         exit();
  81 }
  82 else
  83 {
  84         //show the default image, otherwise we quit!
  85         $default = $manager->getDefaultThumb();
  86
  87         if($default)
  88                 header('Location: '.$default);
  89 }
  90 ?>