1 files changed, 0 insertions, 92 deletions
diff --git a/system/libraries/drivers/Captcha/Alpha.php b/system/libraries/drivers/Captcha/Alpha.php
deleted file mode 100644
index 27795804..00000000
--- a/system/libraries/drivers/Captcha/Alpha.php
+++ /dev/null
@@ -1,92 +0,0 @@
-<?php defined('SYSPATH') OR die('No direct access allowed.');
-/**
- * Captcha driver for "alpha" style.
- *
- * $Id: Alpha.php 4367 2009-05-27 21:23:57Z samsoir $
- *
- * @package    Captcha
- * @author     Kohana Team
- * @copyright  (c) 2007-2008 Kohana Team
- * @license    http://kohanaphp.com/license.html
- */
-class Captcha_Alpha_Driver extends Captcha_Driver {
-
-	/**
-	 * Generates a new Captcha challenge.
-	 *
-	 * @return  string  the challenge answer
-	 */
-	public function generate_challenge()
-	{
-		// Complexity setting is used as character count
-		return text::random('distinct', max(1, Captcha::$config['complexity']));
-	}
-
-	/**
-	 * Outputs the Captcha image.
-	 *
-	 * @param   boolean  html output
-	 * @return  mixed
-	 */
-	public function render($html)
-	{
-		// Creates $this->image
-		$this->image_create(Captcha::$config['background']);
-
-		// Add a random gradient
-		if (empty(Captcha::$config['background']))
-		{
-			$color1 = imagecolorallocate($this->image, mt_rand(0, 100), mt_rand(0, 100), mt_rand(0, 100));
-			$color2 = imagecolorallocate($this->image, mt_rand(0, 100), mt_rand(0, 100), mt_rand(0, 100));
-			$this->image_gradient($color1, $color2);
-		}
-
-		// Add a few random circles
-		for ($i = 0, $count = mt_rand(10, Captcha::$config['complexity'] * 3); $i < $count; $i++)
-		{
-			$color = imagecolorallocatealpha($this->image, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255), mt_rand(80, 120));
-			$size = mt_rand(5, Captcha::$config['height'] / 3);
-			imagefilledellipse($this->image, mt_rand(0, Captcha::$config['width']), mt_rand(0, Captcha::$config['height']), $size, $size, $color);
-		}
-
-		// Calculate character font-size and spacing
-		$default_size = min(Captcha::$config['width'], Captcha::$config['height'] * 2) / strlen($this->response);
-		$spacing = (int) (Captcha::$config['width'] * 0.9 / strlen($this->response));
-
-		// Background alphabetic character attributes
-		$color_limit = mt_rand(96, 160);
-		$chars = 'ABEFGJKLPQRTVY';
-
-		// Draw each Captcha character with varying attributes
-		for ($i = 0, $strlen = strlen($this->response); $i < $strlen; $i++)
-		{
-			// Use different fonts if available
-			$font = Captcha::$config['fontpath'].Captcha::$config['fonts'][array_rand(Captcha::$config['fonts'])];
-
-			$angle = mt_rand(-40, 20);
-			// Scale the character size on image height
-			$size = $default_size / 10 * mt_rand(8, 12);
-			$box = imageftbbox($size, $angle, $font, $this->response[$i]);
-
-			// Calculate character starting coordinates
-			$x = $spacing / 4 + $i * $spacing;
-			$y = Captcha::$config['height'] / 2 + ($box[2] - $box[5]) / 4;
-
-			// Draw captcha text character
-			// Allocate random color, size and rotation attributes to text
-			$color = imagecolorallocate($this->image, mt_rand(150, 255), mt_rand(200, 255), mt_rand(0, 255));
-
-			// Write text character to image
-			imagefttext($this->image, $size, $angle, $x, $y, $color, $font, $this->response[$i]);
-
-			// Draw "ghost" alphabetic character
-			$text_color = imagecolorallocatealpha($this->image, mt_rand($color_limit + 8, 255), mt_rand($color_limit + 8, 255), mt_rand($color_limit + 8, 255), mt_rand(70, 120));
-			$char = $chars[mt_rand(0, 14)];
-			imagettftext($this->image, $size * 2, mt_rand(-45, 45), ($x - (mt_rand(5, 10))), ($y + (mt_rand(5, 10))), $text_color, $font, $char);
-		}
-
-		// Output
-		return $this->image_render($html);
-	}
-
-} // End Captcha Alpha Driver Class
-\ No newline at end of file