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<?php
/**
* On the fly Thumbnail generation.
* Creates thumbnails given by thumbs.php?img=/relative/path/to/image.jpg
* relative to the base_dir given in config.inc.php
* @author $Author: thorstenr $
* @version $Id: thumbs.php,v 1.1.2.1 2005/09/23 15:23:08 thorstenr Exp $
* @package ImageManager
*/
require_once('config.inc.php');
require_once('Classes/ImageManager.php');
require_once('Classes/Thumbnail.php');
//check for img parameter in the url
if(!isset($_GET['img']))
exit();
$manager = new ImageManager($IMConfig);
//get the image and the full path to the image
$image = rawurldecode($_GET['img']);
$fullpath = Files::makeFile($manager->getBaseDir(),$image);
//not a file, so exit
if(!is_file($fullpath))
exit();
$imgInfo = @getImageSize($fullpath);
//Not an image, send default thumbnail
if(!is_array($imgInfo))
{
//show the default image, otherwise we quit!
$default = $manager->getDefaultThumb();
if($default)
{
header('Location: '.$default);
exit();
}
}
//if the image is less than the thumbnail dimensions
//send the original image as thumbnail
if ($imgInfo[0] <= $IMConfig['thumbnail_width']
&& $imgInfo[1] <= $IMConfig['thumbnail_height'])
{
header('Location: '.$manager->getFileURL($image));
exit();
}
//Check for thumbnails
$thumbnail = $manager->getThumbName($fullpath);
if(is_file($thumbnail))
{
//if the thumbnail is newer, send it
if(filemtime($thumbnail) >= filemtime($fullpath))
{
header('Location: '.$manager->getThumbURL($image));
exit();
}
}
//creating thumbnails
$thumbnailer = new Thumbnail($IMConfig['thumbnail_width'],$IMConfig['thumbnail_height']);
$thumbnailer->createThumbnail($fullpath, $thumbnail);
//Check for NEW thumbnails
if(is_file($thumbnail))
{
//send the new thumbnail
header('Location: '.$manager->getThumbURL($image));
exit();
}
else
{
//show the default image, otherwise we quit!
$default = $manager->getDefaultThumb();
if($default)
header('Location: '.$default);
}
?>
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