Pdf/ElementFactory.php

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Zend Framework
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Category
Zend  
Copyright
Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)  
License
New BSD License  
Package
Zend_Pdf  
Version
$Id$  

\Zend_Pdf_ElementFactory
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Package: Zend_Pdf
PDF element factory.
Responsibility is to log PDF changes
Implements
Copyright
Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)  
License
New BSD License  

Properties

>VPropertyprivatearray $_attachedFactories = array()
List of the attached object factories.
Array of Zend_Pdf_ElementFactory_Interface objects
Default valuearray()Details
Type
array
>VPropertyprivateinteger $_factoryId
Factory internal id
Details
Type
integer
>VPropertyprivateinteger $_identity = 0
static
Identity, used for factory id generation
Default value0Details
Type
integer
>VPropertyprivatearray $_modifiedObjects = array()
List of the modified objects.
Also contains new and removed objects Array: ojbectNumber => Zend_Pdf_Element_Object
Default valuearray()Details
Type
array
>VPropertyprivateinteger $_objectCount
PDF object counter.
Actually it's an object number for new PDF object
Details
Type
integer
>VPropertyprivatearray $_registeredObjects = array()
List of registered objects.
Used for resources clean up when factory is destroyed. Array of Zend_Pdf_Element objects
Default valuearray()Details
Type
array
>VPropertyprivate\SplObjectStorage $_removedObjects
List of the removed objects
Array: ojbectNumber => Zend_Pdf_Element_Object
Details
Type
\SplObjectStorage
>VPropertyprivatearray $_shiftCalculationCache = array()
Internal cache to save calculated shifts
Default valuearray()Details
Type
array

Methods

methodpublic__construct(integer $objCount) : void

Object constructor

Parameters
NameTypeDescription
$objCountinteger
methodpublicattach(\Zend_Pdf_ElementFactory_Interface $factory) : void

Attach factory to the current;

Parameters
NameTypeDescription
$factory\Zend_Pdf_ElementFactory_Interface
methodpubliccalculateShift(\Zend_Pdf_ElementFactory_Interface $factory) : integer

Calculate object enumeration shift.

Parameters
NameTypeDescription
$factory\Zend_Pdf_ElementFactory_Interface
Returns
TypeDescription
integer
methodpubliccleanEnumerationShiftCache() : void

Clean enumeration shift cache.

Has to be used after PDF render operation to let followed updates be correct.
methodpubliccreateFactory(integer $objCount) : \Zend_Pdf_ElementFactory_Interface
static

Factory generator

Parameters
NameTypeDescription
$objCountinteger
Returns
TypeDescription
\Zend_Pdf_ElementFactory_Interface
methodpublicfetchObject(string $refString) : \Zend_Pdf_Element_Object | null

Fetch object specified by reference

Parameters
NameTypeDescription
$refStringstring
Returns
TypeDescription
\Zend_Pdf_Element_Object | null
methodpublicgetEnumerationShift(\Zend_Pdf_ElementFactory_Interface $factory) : integer

Retrive object enumeration shift.

Parameters
NameTypeDescription
$factory\Zend_Pdf_ElementFactory_Interface
Returns
TypeDescription
integer
Throws
ExceptionDescription
\Zend_Pdf_Exception
methodpublicgetFactory() : \Zend_Pdf_ElementFactory_Interface

Get factory

Returns
TypeDescription
\Zend_Pdf_ElementFactory_Interface
methodpublicgetId() : integer

Get factory ID

Returns
TypeDescription
integer
methodpublicgetObjectCount() : integer

Get object counter

Returns
TypeDescription
integer
methodpublicisModified() : boolean

Check if PDF file was modified

Returns
TypeDescription
boolean
methodpubliclistModifiedObjects(\Zend_Pdf_ElementFactory_Interface $rootFactory = null) : array

Enumerate modified objects.

Returns array of Zend_Pdf_UpdateInfoContainer
Parameters
NameTypeDescription
$rootFactory\Zend_Pdf_ElementFactory_Interface
Returns
TypeDescription
array
methodpublicmarkAsModified(\Zend_Pdf_Element_Object $obj) : void

Mark object as modified in context of current factory.

Parameters
NameTypeDescription
$obj\Zend_Pdf_Element_Object
Throws
ExceptionDescription
\Zend_Pdf_Exception
methodpublicnewObject(\Zend_Pdf_Element $objectValue) : \Zend_Pdf_Element_Object

Generate new Zend_Pdf_Element_Object

Parameters
NameTypeDescription
$objectValue\Zend_Pdf_Element
Returns
TypeDescription
\Zend_Pdf_Element_Object
Details
Todo
Reusage of the freed object. It's not a support of new feature, but only improvement.  
methodpublicnewStreamObject( $streamValue) : \Zend_Pdf_Element_Object_Stream

Generate new Zend_Pdf_Element_Object_Stream

Parameters
NameTypeDescription
$streamValue
Returns
TypeDescription
\Zend_Pdf_Element_Object_Stream
Details
Todo
Reusage of the freed object. It's not a support of new feature, but only improvement.  
methodpublicregisterObject(\Zend_Pdf_Element_Object $obj, string $refString) : void

Register object in the factory

It's used to clear "parent object" referencies when factory is closed and clean up resources
Parameters
NameTypeDescription
$obj\Zend_Pdf_Element_Object
$refStringstring
methodpublicremove(\Zend_Pdf_Element_Object $obj) : void

Remove object in context of current factory.

Parameters
NameTypeDescription
$obj\Zend_Pdf_Element_Object
Throws
ExceptionDescription
\Zend_Pdf_Exception
methodpublicresolve() : \Zend_Pdf_ElementFactory

Get source factory object

Returns
TypeDescription
\Zend_Pdf_ElementFactory
methodpublicsetObjectCount(integer $objCount) : void

Set object counter

Parameters
NameTypeDescription
$objCountinteger
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