8398c9048d
code was modified slightly, so the code differs from the original downloadable 1.9.5 version
158 lines
4 KiB
PHP
158 lines
4 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) 2005-2009 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: Element.php 16978 2009-07-22 19:59:40Z alexander $
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*/
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/** Zend_Pdf_Element_Object */
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require_once 'Zend/Pdf/Element/Object.php';
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/**
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* PDF file element implementation
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*
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* @package Zend_Pdf
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* @copyright Copyright (c) 2005-2009 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_Element
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{
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const TYPE_BOOL = 1;
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const TYPE_NUMERIC = 2;
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const TYPE_STRING = 3;
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const TYPE_NAME = 4;
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const TYPE_ARRAY = 5;
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const TYPE_DICTIONARY = 6;
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const TYPE_STREAM = 7;
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const TYPE_NULL = 11;
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/**
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* Reference to the top level indirect object, which contains this element.
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*
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* @var Zend_Pdf_Element_Object
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*/
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private $_parentObject = null;
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/**
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* Return type of the element.
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* See ZPdfPDFConst for possible values
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*
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* @return integer
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*/
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abstract public function getType();
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/**
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* Convert element to a string, which can be directly
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* written to a PDF file.
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*
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* $factory parameter defines operation context.
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*
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* @param Zend_Pdf_Factory $factory
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* @return string
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*/
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abstract public function toString($factory = null);
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/**
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* Set top level parent indirect object.
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*
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* @param Zend_Pdf_Element_Object $parent
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*/
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public function setParentObject(Zend_Pdf_Element_Object $parent)
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{
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$this->_parentObject = $parent;
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}
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/**
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* Get top level parent indirect object.
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*
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* @return Zend_Pdf_Element_Object
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*/
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public function getParentObject()
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{
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return $this->_parentObject;
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}
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/**
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* Mark object as modified, to include it into new PDF file segment.
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*
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* We don't automate this action to keep control on PDF update process.
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* All new objects are treated as "modified" automatically.
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*/
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public function touch()
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{
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if ($this->_parentObject !== null) {
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$this->_parentObject->touch();
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}
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}
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/**
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* Clean up resources, used by object
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*/
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public function cleanUp()
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{
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// Do nothing
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}
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/**
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* Convert PDF element to PHP type.
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*
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* @return mixed
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*/
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public function toPhp()
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{
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return $this->value;
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}
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/**
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* Convert PHP value into PDF element.
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*
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* @param mixed $input
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* @return Zend_Pdf_Element
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*/
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public static function phpToPdf($input)
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{
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if (is_numeric($input)) {
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return new Zend_Pdf_Element_Numeric($input);
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} else if (is_bool($input)) {
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return new Zend_Pdf_Element_Boolean($input);
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} else if (is_array($input)) {
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$pdfElementsArray = array();
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$isDictionary = false;
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foreach ($input as $key => $value) {
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if (is_string($key)) {
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$isDictionary = true;
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}
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$pdfElementsArray[$key] = Zend_Pdf_Element::phpToPdf($value);
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}
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if ($isDictionary) {
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return new Zend_Pdf_Element_Dictionary($pdfElementsArray);
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} else {
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return new Zend_Pdf_Element_Array($pdfElementsArray);
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}
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} else {
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return new Zend_Pdf_Element_String((string)$input);
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}
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}
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}
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