109 lines
3.1 KiB
PHP
109 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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* @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_ElementFactory */
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require_once 'Zend/Pdf/ElementFactory.php';
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/** Zend_Pdf_Element_Object */
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require_once 'Zend/Pdf/Element/Object.php';
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/** Zend_Pdf_Element_Dictionary */
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require_once 'Zend/Pdf/Element/Dictionary.php';
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/**
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* PDF file Resource abstraction
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*
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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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abstract class Zend_Pdf_Resource
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{
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/**
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* Each Pdf resource (fonts, images, ...) interacts with a PDF itself.
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* It creates appropriate PDF objects, structures and sometime embedded files.
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* Resources are referenced in content streams by names, which are stored in
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* a page resource dictionaries.
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*
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* Thus, resources must be attached to the PDF.
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*
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* Resource abstraction uses own PDF object factory to store all necessary information.
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* At the render time internal object factory is appended to the global PDF file
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* factory.
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*
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* Resource abstraction also cashes information about rendered PDF files and
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* doesn't duplicate resource description each time then Resource is rendered
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* (referenced).
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*
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* @var Zend_Pdf_ElementFactory_Interface
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*/
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protected $_objectFactory;
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/**
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* Main resource object
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*
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* @var Zend_Pdf_Element_Object
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*/
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protected $_resource;
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/**
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* Object constructor.
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*
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* If resource is not a Zend_Pdf_Element object, then stream object with specified value is
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* generated.
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*
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* @param Zend_Pdf_Element|string $resource
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*/
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public function __construct($resource)
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{
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$this->_objectFactory = Zend_Pdf_ElementFactory::createFactory(1);
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if ($resource instanceof Zend_Pdf_Element) {
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$this->_resource = $this->_objectFactory->newObject($resource);
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} else {
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$this->_resource = $this->_objectFactory->newStreamObject($resource);
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}
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}
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/**
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* Get resource.
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* Used to reference resource in an internal PDF data structures (resource dictionaries)
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*
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* @internal
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* @return Zend_Pdf_Element_Object
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*/
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public function getResource()
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{
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return $this->_resource;
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}
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/**
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* Get factory.
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*
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* @internal
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* @return Zend_Pdf_ElementFactory_Interface
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*/
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public function getFactory()
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{
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return $this->_objectFactory;
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}
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}
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