From 9b6663f87a7e679ffba691cf516191fc840cf978 Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Tue, 24 Nov 2009 19:20:36 -0800
Subject: Update to Kohana r4684 which is now Kohana 2.4 and has substantial
 changes.

---
 system/libraries/drivers/Captcha/Black.php | 72 ------------------------------
 1 file changed, 72 deletions(-)
 delete mode 100644 system/libraries/drivers/Captcha/Black.php

(limited to 'system/libraries/drivers/Captcha/Black.php')

diff --git a/system/libraries/drivers/Captcha/Black.php b/system/libraries/drivers/Captcha/Black.php
deleted file mode 100644
index 6a2e2226..00000000
--- a/system/libraries/drivers/Captcha/Black.php
+++ /dev/null
@@ -1,72 +0,0 @@
-<?php defined('SYSPATH') OR die('No direct access allowed.');
-/**
- * Captcha driver for "black" style.
- *
- * $Id: Black.php 3769 2008-12-15 00:48:56Z zombor $
- *
- * @package    Captcha
- * @author     Kohana Team
- * @copyright  (c) 2007-2008 Kohana Team
- * @license    http://kohanaphp.com/license.html
- */
-class Captcha_Black_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, ceil(Captcha::$config['complexity'] / 1.5)));
-	}
-
-	/**
-	 * Outputs the Captcha image.
-	 *
-	 * @param   boolean  html output
-	 * @return  mixed
-	 */
-	public function render($html)
-	{
-		// Creates a black image to start from
-		$this->image_create(Captcha::$config['background']);
-
-		// Add random white/gray arcs, amount depends on complexity setting
-		$count = (Captcha::$config['width'] + Captcha::$config['height']) / 2;
-		$count = $count / 5 * min(10, Captcha::$config['complexity']);
-		for ($i = 0; $i < $count; $i++)
-		{
-			imagesetthickness($this->image, mt_rand(1, 2));
-			$color = imagecolorallocatealpha($this->image, 255, 255, 255, mt_rand(0, 120));
-			imagearc($this->image, mt_rand(-Captcha::$config['width'], Captcha::$config['width']), mt_rand(-Captcha::$config['height'], Captcha::$config['height']), mt_rand(-Captcha::$config['width'], Captcha::$config['width']), mt_rand(-Captcha::$config['height'], Captcha::$config['height']), mt_rand(0, 360), mt_rand(0, 360), $color);
-		}
-
-		// Use different fonts if available
-		$font = Captcha::$config['fontpath'].Captcha::$config['fonts'][array_rand(Captcha::$config['fonts'])];
-
-		// Draw the character's white shadows
-		$size = (int) min(Captcha::$config['height'] / 2, Captcha::$config['width'] * 0.8 / strlen($this->response));
-		$angle = mt_rand(-15 + strlen($this->response), 15 - strlen($this->response));
-		$x = mt_rand(1, Captcha::$config['width'] * 0.9 - $size * strlen($this->response));
-		$y = ((Captcha::$config['height'] - $size) / 2) + $size;
-		$color = imagecolorallocate($this->image, 255, 255, 255);
-		imagefttext($this->image, $size, $angle, $x + 1, $y + 1, $color, $font, $this->response);
-
-		// Add more shadows for lower complexities
-		(Captcha::$config['complexity'] < 10) and imagefttext($this->image, $size, $angle, $x - 1, $y - 1, $color, $font , $this->response);
-		(Captcha::$config['complexity'] < 8)  and imagefttext($this->image, $size, $angle, $x - 2, $y + 2, $color, $font , $this->response);
-		(Captcha::$config['complexity'] < 6)  and imagefttext($this->image, $size, $angle, $x + 2, $y - 2, $color, $font , $this->response);
-		(Captcha::$config['complexity'] < 4)  and imagefttext($this->image, $size, $angle, $x + 3, $y + 3, $color, $font , $this->response);
-		(Captcha::$config['complexity'] < 2)  and imagefttext($this->image, $size, $angle, $x - 3, $y - 3, $color, $font , $this->response);
-
-		// Finally draw the foreground characters
-		$color = imagecolorallocate($this->image, 0, 0, 0);
-		imagefttext($this->image, $size, $angle, $x, $y, $color, $font, $this->response);
-
-		// Output
-		return $this->image_render($html);
-	}
-
-} // End Captcha Black Driver Class
\ No newline at end of file
-- 
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