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53 lines
1.6 KiB
53 lines
1.6 KiB
<?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) 2005-2015 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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* @version $Id$
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*/
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/**
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* PDF provides a powerfull facilities for specifying the colors of graphics objects.
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* This class encapsulates color behaviour.
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*
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* Some colors interact with PDF document (create additional objects in a PDF),
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* others don't do it. That is defined in a subclasses.
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*
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* @package Zend_Pdf
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* @copyright Copyright (c) 2005-2015 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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abstract class Zend_Pdf_Color
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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 $stroking
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* @return string
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*/
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abstract public function instructions($stroking);
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/**
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* Get color components (color space dependent)
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*
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* @return array
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*/
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abstract public function getComponents();
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}
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