egroupware/phpgwapi/js/tiny_mce/plugins/filemanager/InsertFile/thumbs.php

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<?php
/**************************************************************************\
* eGroupWare - Insert File Dialog, File Manager -plugin for tinymce *
* http://www.eGroupWare.org *
* Authors Al Rashid <alrashid@klokan.sk> *
* and Xiang Wei ZHUO <wei@zhuo.org> *
* Modified for eGW by Cornelius Weiss <egw@von-und-zu-weiss.de> *
* -------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; version 2 of the License. *
* *
* Functions *
* - if the thumbnail does not exists or the source file is newer, create a *
* new thumbnail. *
\**************************************************************************/
/* $id */
require_once 'config.inc.php';
require_once 'functions.php';
require_once 'Transform.php';
$img = $BASE_DIR.urldecode($_GET['img']);
if(is_file($img)) {
make_thumbs(urldecode($_GET['img']));
}
function make_thumbs($img)
{
global $BASE_DIR, $BASE_URL;
$path_info = pathinfo($img);
$path = $path_info['dirname']."/";
$img_file = $path_info['basename'];
$thumb = $path.'.'.$img_file;
$img_info = getimagesize($BASE_DIR.$path.$img_file);
$w = $img_info[0]; $h = $img_info[1];
$nw = 96; $nh = 96;
if($w <= $nw && $h <= $nh) {
header('Location: '.$BASE_URL.$path.$img_file);
exit();
}
if(is_file($BASE_DIR.$thumb)) {
$t_mtime = filemtime($BASE_DIR.$thumb);
$o_mtime = filemtime($BASE_DIR.$img);
if($t_mtime > $o_mtime) {
//echo $BASE_URL.$path.'.'.$img_file;
header('Location: '.$BASE_URL.$path.'.'.$img_file);
exit();
}
}
$img_thumbs = Image_Transform::factory(IMAGE_CLASS);
$img_thumbs->load($BASE_DIR.$path.$img_file);
if ($w > $h)
$nh = unpercent(percent($nw, $w), $h);
else if ($h > $w)
$nw = unpercent(percent($nh, $h), $w);
$img_thumbs->resize($nw, $nh);
$img_thumbs->save($BASE_DIR.$thumb);
$img_thumbs->free();
chmod($BASE_DIR.$thumb, 0666);
if(is_file($BASE_DIR.$thumb)) {
header('Location: '.$BASE_URL.$path.'.'.$img_file);
exit();
}
}
?>