Initial commit of FormBuilder 0.87

additional_styles.sample.css

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+/*
+
+If you need to further customize the FormBuilder CSS,
+items in this file will over-ride the standard
+FormBuilder CSS.  To use this file, rename and copy
+it to /wp-content/additional_styles.css and make 
+changes as necessary.
+
+*/

captcha/CaptchaSecurityImages.php

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+<?php
+
+/*
+* File: CaptchaSecurityImages.php
+* Author: Simon Jarvis
+* Copyright: 2006 Simon Jarvis
+* Date: 03/08/06
+* Updated: 07/02/07
+* Requirements: PHP 4/5 with GD and FreeType libraries
+* Link: http://www.white-hat-web-design.co.uk/articles/php-captcha.php
+* 
+* 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; either version 2 
+* of the License, or (at your option) any later version.
+* 
+* This program is distributed in the hope that it will be useful, 
+* but WITHOUT ANY WARRANTY; without even the implied warranty of 
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
+* GNU General Public License for more details: 
+* http://www.gnu.org/licenses/gpl.html
+*/
+
+if(!class_exists("CaptchaSecurityImages")) {
+
+	class CaptchaSecurityImages {
+
+		var $font = './monofont.ttf';
+
+		function generateCode($characters) {
+			/* list all possible characters, similar looking characters and vowels have been removed */
+			$possible = '23456789bcdfghjkmnpqrstvwxyz';
+			$code = '';
+			$i = 0;
+			while ($i < $characters) { 
+				$code .= substr($possible, mt_rand(0, strlen($possible)-1), 1);
+				$i++;
+			}
+			return $code;
+		}
+
+		function CaptchaSecurityImages($width='120',$height='40',$characters='6') {
+			$code = $this->generateCode($characters);
+			/* font size will be 75% of the image height */
+			$font_size = $height * 0.85;
+			$image = imagecreate($width, $height) or die(__('Cannot initialize new GD image stream', 'formbuilder'));
+			/* set the colours */
+			$background_color = imagecolorallocate($image, 255, 255, 255);
+			$text_color = imagecolorallocate($image, 20, 40, 100);
+			$noise_color = imagecolorallocate($image, 100, 120, 180);
+			/* generate random dots in background */
+			for( $i=0; $i<($width*$height)/3; $i++ ) {
+				imagefilledellipse($image, mt_rand(0,$width), mt_rand(0,$height), 1, 1, $noise_color);
+			}
+			/* generate random lines in background */
+			for( $i=0; $i<($width*$height)/150; $i++ ) {
+				imageline($image, mt_rand(0,$width), mt_rand(0,$height), mt_rand(0,$width), mt_rand(0,$height), $noise_color);
+			}
+			/* create textbox and add text */
+			$textbox = imagettfbbox($font_size, 0, $this->font, $code) or die(__('Error in imagettfbbox function', 'formbuilder'));
+			$x = ($width - $textbox[4])/2;
+			$y = ($height - $textbox[5])/2;
+			imagettftext($image, $font_size, 0, $x, $y, $text_color, $this->font , $code) or die(__('Error in imagettftext function', 'formbuilder'));
+			/* output captcha image to browser */
+
+			session_start();
+
+			header('Content-Type: image/jpeg');
+			imagejpeg($image);
+			imagedestroy($image);
+			$_SESSION['security_code'] = $code;
+		}
+
+	}
+
+}
+
+?>

captcha/display.php

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+<?php
+
+/*
+* File: CaptchaSecurityImages.php
+* Author: Simon Jarvis
+* Copyright: 2006 Simon Jarvis
+* Date: 03/08/06
+* Updated: 07/02/07
+* Requirements: PHP 4/5 with GD and FreeType libraries
+* Link: http://www.white-hat-web-design.co.uk/articles/php-captcha.php
+* 
+* 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; either version 2 
+* of the License, or (at your option) any later version.
+* 
+* This program is distributed in the hope that it will be useful, 
+* but WITHOUT ANY WARRANTY; without even the implied warranty of 
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
+* GNU General Public License for more details: 
+* http://www.gnu.org/licenses/gpl.html
+*/
+
+	require_once('CaptchaSecurityImages.php');
+
+	$captcha = new CaptchaSecurityImages(120, 40, 6);
+
+
+?>