/framework/vendor/zend/Zend/Pdf/Color/Cmyk.php
http://zoop.googlecode.com/ · PHP · 126 lines · 36 code · 16 blank · 74 comment · 8 complexity · 1b8f16c0597db04e7d11e7b3146aa9a4 MD5 · raw file
- <?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_Pdf
- * @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: Cmyk.php 20096 2010-01-06 02:05:09Z bkarwin $
- */
- /** Internally used classes */
- require_once 'Zend/Pdf/Element/Numeric.php';
- /** Zend_Pdf_Color */
- require_once 'Zend/Pdf/Color.php';
- /**
- * CMYK color implementation
- *
- * @category Zend
- * @package Zend_Pdf
- * @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_Pdf_Color_Cmyk extends Zend_Pdf_Color
- {
- /**
- * Cyan level.
- * 0.0 (zero concentration) - 1.0 (maximum concentration)
- *
- * @var Zend_Pdf_Element_Numeric
- */
- private $_c;
- /**
- * Magenta level.
- * 0.0 (zero concentration) - 1.0 (maximum concentration)
- *
- * @var Zend_Pdf_Element_Numeric
- */
- private $_m;
- /**
- * Yellow level.
- * 0.0 (zero concentration) - 1.0 (maximum concentration)
- *
- * @var Zend_Pdf_Element_Numeric
- */
- private $_y;
- /**
- * Key (BlacK) level.
- * 0.0 (zero concentration) - 1.0 (maximum concentration)
- *
- * @var Zend_Pdf_Element_Numeric
- */
- private $_k;
- /**
- * Object constructor
- *
- * @param float $c
- * @param float $m
- * @param float $y
- * @param float $k
- */
- public function __construct($c, $m, $y, $k)
- {
- if ($c < 0) { $c = 0; }
- if ($c > 1) { $c = 1; }
- if ($m < 0) { $m = 0; }
- if ($m > 1) { $m = 1; }
- if ($y < 0) { $y = 0; }
- if ($y > 1) { $y = 1; }
- if ($k < 0) { $k = 0; }
- if ($k > 1) { $k = 1; }
- $this->_c = new Zend_Pdf_Element_Numeric($c);
- $this->_m = new Zend_Pdf_Element_Numeric($m);
- $this->_y = new Zend_Pdf_Element_Numeric($y);
- $this->_k = new Zend_Pdf_Element_Numeric($k);
- }
- /**
- * Instructions, which can be directly inserted into content stream
- * to switch color.
- * Color set instructions differ for stroking and nonstroking operations.
- *
- * @param boolean $stroking
- * @return string
- */
- public function instructions($stroking)
- {
- return $this->_c->toString() . ' '
- . $this->_m->toString() . ' '
- . $this->_y->toString() . ' '
- . $this->_k->toString() . ($stroking? " K\n" : " k\n");
- }
- /**
- * Get color components (color space dependent)
- *
- * @return array
- */
- public function getComponents()
- {
- return array($this->_c->value, $this->_m->value, $this->_y->value, $this->_k->value);
- }
- }