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cms/modules/form/captcha/class/error.class.php

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00001 <?php
00002 
00003   /******************************************************************
00004 
00005    Projectname:   CAPTCHA class
00006    Version:       2.0
00007    Author:        Pascal Rehfeldt <Pascal@Pascal-Rehfeldt.com>
00008    Last modified: 15. January 2006
00009 
00010    * GNU General Public License (Version 2, June 1991)
00011    *
00012    * This program is free software; you can redistribute
00013    * it and/or modify it under the terms of the GNU
00014    * General Public License as published by the Free
00015    * Software Foundation; either version 2 of the License,
00016    * or (at your option) any later version.
00017    *
00018    * This program is distributed in the hope that it will
00019    * be useful, but WITHOUT ANY WARRANTY; without even the
00020    * implied warranty of MERCHANTABILITY or FITNESS FOR A
00021    * PARTICULAR PURPOSE. See the GNU General Public License
00022    * for more details.
00023 
00024    Description:
00025    This class can generate CAPTCHAs, see README for more details!
00026 
00027   ******************************************************************/
00028 
00029   class error
00030   {
00031 
00032         var $errors;
00033 
00034         function error ()
00035         {
00036 
00037           $this->errors = array();
00038 
00039         } //error
00040 
00041         function addError ($errormsg)
00042         {
00043 
00044           $this->errors[] = $errormsg;
00045 
00046         } //addError
00047 
00048         function displayError ()
00049         {
00050                 displayerror('Error! Could not generate captcha.<br />' . join($this->errors, '<br />'));
00051 /*
00052       $iheight     = count($this->errors) * 20 + 10;
00053       $iheight     = ($iheight < 130) ? 130 : $iheight;
00054 
00055       $image       = imagecreate(600, $iheight);
00056 
00057       $errorsign   = imagecreatefromjpeg('gfx/errorsign.jpg');
00058       imagecopy($image, $errorsign, 1, 1, 1, 1, 180, 120);
00059 
00060       $bgcolor     = imagecolorallocate($image, 255, 255, 255);
00061 
00062       $stringcolor = imagecolorallocate($image, 0, 0, 0);
00063 
00064       for ($i = 0; $i < count($this->errors); $i++)
00065       {
00066 
00067         $imx = ($i == 0) ? $i * 20 + 5 : $i * 20;
00068 
00069 
00070         $msg = 'Error[' . $i . ']: ' . $this->errors[$i];
00071 
00072         imagestring($image, 5, 190, $imx, $msg, $stringcolor);
00073 
00074           }
00075 
00076       imagepng($image);
00077 
00078       imagedestroy($image);*/
00079 
00080         } //displayError
00081 
00082         function isError ()
00083         {
00084 
00085           if (count($this->errors) == 0)
00086           {
00087 
00088                 return FALSE;
00089 
00090           }
00091           else
00092           {
00093 
00094                 return TRUE;
00095 
00096           }
00097 
00098         } //isError
00099 
00100   } //class: error
00101 

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