diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Measure/Lightness.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Measure/Lightness.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,80 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category  Zend
+ * @package   Zend_Measure
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd     New BSD License
+ * @version   $Id: Lightness.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * Implement needed classes
+ */
+require_once 'Zend/Measure/Abstract.php';
+require_once 'Zend/Locale.php';
+
+/**
+ * Class for handling temperature conversions
+ *
+ * @category   Zend
+ * @package    Zend_Measure
+ * @subpackage Zend_Measure_Lightness
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Measure_Lightness extends Zend_Measure_Abstract
+{
+    const STANDARD = 'CANDELA_PER_SQUARE_METER';
+
+    const APOSTILB                          = 'APOSTILB';
+    const BLONDEL                           = 'BLONDEL';
+    const CANDELA_PER_SQUARE_CENTIMETER     = 'CANDELA_PER_SQUARE_CENTIMETER';
+    const CANDELA_PER_SQUARE_FOOT           = 'CANDELA_PER_SQUARE_FOOT';
+    const CANDELA_PER_SQUARE_INCH           = 'CANDELA_PER_SQUARE_INCH';
+    const CANDELA_PER_SQUARE_METER          = 'CANDELA_PER_SQUARE_METER';
+    const FOOTLAMBERT                       = 'FOOTLAMBERT';
+    const KILOCANDELA_PER_SQUARE_CENTIMETER = 'KILOCANDELA_PER_SQUARE_CENTIMETER';
+    const KILOCANDELA_PER_SQUARE_FOOT       = 'KILOCANDELA_PER_SQUARE_FOOT';
+    const KILOCANDELA_PER_SQUARE_INCH       = 'KILOCANDELA_PER_SQUARE_INCH';
+    const KILOCANDELA_PER_SQUARE_METER      = 'KILOCANDELA_PER_SQUARE_METER';
+    const LAMBERT                           = 'LAMBERT';
+    const MILLILAMBERT                      = 'MILLILAMBERT';
+    const NIT                               = 'NIT';
+    const STILB                             = 'STILB';
+
+    /**
+     * Calculations for all lightness units
+     *
+     * @var array
+     */
+    protected $_units = array(
+        'APOSTILB'                      => array('0.31830989',   'asb'),
+        'BLONDEL'                       => array('0.31830989',   'blondel'),
+        'CANDELA_PER_SQUARE_CENTIMETER' => array('10000',        'cd/cm²'),
+        'CANDELA_PER_SQUARE_FOOT'       => array('10.76391',     'cd/ft²'),
+        'CANDELA_PER_SQUARE_INCH'       => array('1550.00304',   'cd/in²'),
+        'CANDELA_PER_SQUARE_METER'      => array('1',            'cd/m²'),
+        'FOOTLAMBERT'                   => array('3.4262591',    'ftL'),
+        'KILOCANDELA_PER_SQUARE_CENTIMETER' => array('10000000', 'kcd/cm²'),
+        'KILOCANDELA_PER_SQUARE_FOOT'   => array('10763.91',     'kcd/ft²'),
+        'KILOCANDELA_PER_SQUARE_INCH'   => array('1550003.04',   'kcd/in²'),
+        'KILOCANDELA_PER_SQUARE_METER'  => array('1000',         'kcd/m²'),
+        'LAMBERT'                       => array('3183.0989',    'L'),
+        'MILLILAMBERT'                  => array('3.1830989',    'mL'),
+        'NIT'                           => array('1',            'nt'),
+        'STILB'                         => array('10000',        'sb'),
+        'STANDARD'                      => 'CANDELA_PER_SQUARE_METER'
+    );
+}