Source for file createimage.php

<?php 
/**
* <b>Create Image</b><br />
* This is called from business logic to display a contact person's email address.
* @author Kristen O'Brien <kristen_paristemi-com>
* @copyright Copyright 2004, Kristen O'Brien
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
* @link http://www.paristemi.com Paristemi Main Site
* @package paristemi
* @subpackage paristemi_util
* @since Build 0.5
* @version Build 0.7
* @filesource
*/
/**
* Include the constants file and all of the files in the include list
*/
if(ltrim(dirname($_SERVER['SCRIPT_FILENAME'])) == "" || !file_exists($_SERVER['DOCUMENT_ROOT']."/constants.php")) {
  if(!file_exists("../constants.php")) { require_once("../public_html/constants.php"); }
  else { require_once("../constants.php"); }
}
else { require_once($_SERVER['DOCUMENT_ROOT']."/constants.php"); } 
foreach($INCLUDE_LIST as $includefile) { require_once $includefile; }
 
$db = new Database();
 
    $imgtype="";$id="";$area="";$width=200;$height=32;
    $bgcolor="255,255,255";$tcolor="0,0,255";$font=2;$x_coor=5;$y_coor=5;
    if(isset($HTTP_GET_VARS['imgtype'])) { $imgtype = $HTTP_GET_VARS['imgtype']; }
    if(isset($HTTP_GET_VARS['id'])) { $id = $HTTP_GET_VARS['id']; }
    if(isset($HTTP_GET_VARS['area'])) { $area = $HTTP_GET_VARS['area']; }
    if(isset($HTTP_GET_VARS['width'])) { $width = $HTTP_GET_VARS['width']; }
    if(isset($HTTP_GET_VARS['height'])) { $height = $HTTP_GET_VARS['height']; }
    if(isset($HTTP_GET_VARS['bgcolor'])) { $bgcolor = $HTTP_GET_VARS['bgcolor']; }
    if(isset($HTTP_GET_VARS['textcolor'])) { $tcolor = $HTTP_GET_VARS['textcolor']; }
    if(isset($HTTP_GET_VARS['font'])) { $font = $HTTP_GET_VARS['font']; }
    if(isset($HTTP_GET_VARS['x'])) { $x_coor = $HTTP_GET_VARS['x']; }
    if(isset($HTTP_GET_VARS['y'])) { $y_coor = $HTTP_GET_VARS['y']; }
    
    switch($area) {
        case 'contact' : $db_contact = $db->GetClass('contact');
                         $data =& $db_contact->GetContactData($id);
                         $text = $data->Email; break;
        default           : $text = ""; break;
    }
    
    $header = "Content-type: image/".$imgtype;
    header($header);
    $im = @imagecreate($width,$height);
    $bgcolorarr = explode(",",$bgcolor);
    $tcolorarr = explode(",",$tcolor);
    $background_color = imagecolorallocate($im,$bgcolorarr[0],$bgcolorarr[1],$bgcolorarr[2]);
    $text_color = imagecolorallocate($im,$tcolorarr[0],$tcolorarr[1],$tcolorarr[2]);
    imagestring($im,$font,$x_coor,$y_coor,$text,$text_color);
    switch($imgtype) {
        case 'png'    : imagepng($im); break;
        case 'jpg'    : imagejpeg($im); break;
        case 'jpeg'    : imagejpeg($im); break;
        case 'gif'    : imagegif($im); break;
        default        : break;
    }
    imagedestroy ($im);
?>