115 lines
3.1 KiB
PHP
115 lines
3.1 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Pdf
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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/** Zend_Pdf_Color */
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require_once 'Zend/Pdf/Color.php';
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/** Zend_Pdf_Element_Numeric */
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require_once 'Zend/Pdf/Element/Numeric.php';
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/**
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* CMYK color implementation
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*
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* @category Zend
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* @package Zend_Pdf
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Pdf_Color_Cmyk extends Zend_Pdf_Color
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{
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/**
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* Cyan level.
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* 0.0 (zero concentration) - 1.0 (maximum concentration)
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*
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* @var Zend_Pdf_Element_Numeric
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*/
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private $_c;
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/**
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* Magenta level.
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* 0.0 (zero concentration) - 1.0 (maximum concentration)
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*
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* @var Zend_Pdf_Element_Numeric
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*/
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private $_m;
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/**
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* Yellow level.
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* 0.0 (zero concentration) - 1.0 (maximum concentration)
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*
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* @var Zend_Pdf_Element_Numeric
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*/
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private $_y;
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/**
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* Key (BlacK) level.
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* 0.0 (zero concentration) - 1.0 (maximum concentration)
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*
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* @var Zend_Pdf_Element_Numeric
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*/
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private $_k;
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/**
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* Object constructor
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*
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* @param float $c
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* @param float $m
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* @param float $y
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* @param float $k
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*/
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public function __construct($c, $m, $y, $k)
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{
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$this->_c = new Zend_Pdf_Element_Numeric($c);
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$this->_m = new Zend_Pdf_Element_Numeric($m);
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$this->_y = new Zend_Pdf_Element_Numeric($y);
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$this->_k = new Zend_Pdf_Element_Numeric($k);
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if ($this->_c->value < 0) { $this->_c->value = 0; }
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if ($this->_c->value > 1) { $this->_c->value = 1; }
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if ($this->_m->value < 0) { $this->_m->value = 0; }
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if ($this->_m->value > 1) { $this->_m->value = 1; }
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if ($this->_y->value < 0) { $this->_y->value = 0; }
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if ($this->_y->value > 1) { $this->_y->value = 1; }
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if ($this->_k->value < 0) { $this->_k->value = 0; }
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if ($this->_k->value > 1) { $this->_k->value = 1; }
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}
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/**
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* Instructions, which can be directly inserted into content stream
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* to switch color.
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* Color set instructions differ for stroking and nonstroking operations.
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*
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* @param boolean $stroking
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* @return string
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*/
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public function instructions($stroking)
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{
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return $this->_c->toString() . ' '
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. $this->_m->toString() . ' '
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. $this->_y->toString() . ' '
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. $this->_k->toString() . ($stroking? " K\n" : " k\n");
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}
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}
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