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sources/apps/search_lucene/3rdparty/Zend/Pdf/Resource/ContentStream.php
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<?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) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Image.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/** Internally used classes */
require_once 'Zend/Pdf/Element/Object.php';
require_once 'Zend/Pdf/Element/Dictionary.php';
require_once 'Zend/Pdf/Element/Name.php';
require_once 'Zend/Pdf/Element/Numeric.php';
/** Zend_Pdf_Resource */
require_once 'Zend/Pdf/Resource.php';
/**
* Content stream (drawing instructions container)
*
* @package Zend_Pdf
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Pdf_Resource_ContentStream extends Zend_Pdf_Resource
{
/**
* Buffered content
*
* @var string
*/
protected $_bufferedContent = '';
/**
* Object constructor.
*
* @param Zend_Pdf_Element_Object_Stream|string $contentStreamObject
* @throws Zend_Pdf_Exception
*/
public function __construct($contentStreamObject = '')
{
if ($contentStreamObject !== null &&
!$contentStreamObject instanceof Zend_Pdf_Element_Object_Stream &&
!is_string($contentStreamObject)
) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Content stream parameter must be a string or stream object');
}
parent::__construct($contentStreamObject);
}
/**
* Appends instructions to the end of the content stream
*
* @param string $instructions
* @return Zend_Pdf_Resource_ContentStream
*/
public function addInstructions($instructions)
{
$this->_bufferedContent .= $instructions;
return $this;
}
/**
* Get current stream content
*
* @return string
*/
public function getInstructions()
{
$this->flush();
return $this->_resource->value;
}
/**
* Clear stream content.
*
* @return Zend_Pdf_Resource_ContentStream
*/
public function clear()
{
$this->_resource->value = '';
$this->_bufferedContent = '';
return $this;
}
/**
* Flush buffered content
*/
public function flush()
{
$this->_resource->value .= $this->_bufferedContent;
$this->_bufferedContent = '';
return $this;
}
}
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