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0001 <?php 0002 /** 0003 * Zend Framework 0004 * 0005 * LICENSE 0006 * 0007 * This source file is subject to the new BSD license that is bundled 0008 * with this package in the file LICENSE.txt. 0009 * It is also available through the world-wide-web at this URL: 0010 * http://framework.zend.com/license/new-bsd 0011 * If you did not receive a copy of the license and are unable to 0012 * obtain it through the world-wide-web, please send an email 0013 * to license@zend.com so we can send you a copy immediately. 0014 * 0015 * @category Zend 0016 * @package Zend_Measure 0017 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) 0018 * @license http://framework.zend.com/license/new-bsd New BSD License 0019 * @version $Id$ 0020 */ 0021 0022 /** 0023 * Implement needed classes 0024 */ 0025 // require_once 'Zend/Measure/Abstract.php'; 0026 // require_once 'Zend/Locale.php'; 0027 0028 /** 0029 * Class for handling temperature conversions 0030 * 0031 * @category Zend 0032 * @package Zend_Measure 0033 * @subpackage Zend_Measure_Lightness 0034 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) 0035 * @license http://framework.zend.com/license/new-bsd New BSD License 0036 */ 0037 class Zend_Measure_Lightness extends Zend_Measure_Abstract 0038 { 0039 const STANDARD = 'CANDELA_PER_SQUARE_METER'; 0040 0041 const APOSTILB = 'APOSTILB'; 0042 const BLONDEL = 'BLONDEL'; 0043 const CANDELA_PER_SQUARE_CENTIMETER = 'CANDELA_PER_SQUARE_CENTIMETER'; 0044 const CANDELA_PER_SQUARE_FOOT = 'CANDELA_PER_SQUARE_FOOT'; 0045 const CANDELA_PER_SQUARE_INCH = 'CANDELA_PER_SQUARE_INCH'; 0046 const CANDELA_PER_SQUARE_METER = 'CANDELA_PER_SQUARE_METER'; 0047 const FOOTLAMBERT = 'FOOTLAMBERT'; 0048 const KILOCANDELA_PER_SQUARE_CENTIMETER = 'KILOCANDELA_PER_SQUARE_CENTIMETER'; 0049 const KILOCANDELA_PER_SQUARE_FOOT = 'KILOCANDELA_PER_SQUARE_FOOT'; 0050 const KILOCANDELA_PER_SQUARE_INCH = 'KILOCANDELA_PER_SQUARE_INCH'; 0051 const KILOCANDELA_PER_SQUARE_METER = 'KILOCANDELA_PER_SQUARE_METER'; 0052 const LAMBERT = 'LAMBERT'; 0053 const MILLILAMBERT = 'MILLILAMBERT'; 0054 const NIT = 'NIT'; 0055 const STILB = 'STILB'; 0056 0057 /** 0058 * Calculations for all lightness units 0059 * 0060 * @var array 0061 */ 0062 protected $_units = array( 0063 'APOSTILB' => array('0.31830989', 'asb'), 0064 'BLONDEL' => array('0.31830989', 'blondel'), 0065 'CANDELA_PER_SQUARE_CENTIMETER' => array('10000', 'cd/cm²'), 0066 'CANDELA_PER_SQUARE_FOOT' => array('10.76391', 'cd/ft²'), 0067 'CANDELA_PER_SQUARE_INCH' => array('1550.00304', 'cd/in²'), 0068 'CANDELA_PER_SQUARE_METER' => array('1', 'cd/m²'), 0069 'FOOTLAMBERT' => array('3.4262591', 'ftL'), 0070 'KILOCANDELA_PER_SQUARE_CENTIMETER' => array('10000000', 'kcd/cm²'), 0071 'KILOCANDELA_PER_SQUARE_FOOT' => array('10763.91', 'kcd/ft²'), 0072 'KILOCANDELA_PER_SQUARE_INCH' => array('1550003.04', 'kcd/in²'), 0073 'KILOCANDELA_PER_SQUARE_METER' => array('1000', 'kcd/m²'), 0074 'LAMBERT' => array('3183.0989', 'L'), 0075 'MILLILAMBERT' => array('3.1830989', 'mL'), 0076 'NIT' => array('1', 'nt'), 0077 'STILB' => array('10000', 'sb'), 0078 'STANDARD' => 'CANDELA_PER_SQUARE_METER' 0079 ); 0080 }