/**
* Object constructor.
*
* If resource is not a Zend_Pdf_Element object, then stream object with specified value is
* generated.
*
* @param Zend_Pdf_Element|string $resource
*/
public function __construct($resource)
{
$this->_objectFactory = Zend_Pdf_ElementFactory::createFactory(1);
if ($resource instanceof Zend_Pdf_Element) {
$this->_resource = $this->_objectFactory->newObject($resource);
} else {
$this->_resource = $this->_objectFactory->newStreamObject($resource);
}
}
/**
* Object constructor.
*
* If resource is not a Zend_Pdf_Element object, then stream object with specified value is
* generated.
*
* @param Zend_Pdf_Element|string $resource
*/
public function __construct($resource)
{
if ($resource instanceof Zend_Pdf_Element_Object) {
$this->_objectFactory = $resource->getFactory();
$this->_resource = $resource;
return;
}
require_once 'Zend/Pdf/ElementFactory.php';
$this->_objectFactory = Zend_Pdf_ElementFactory::createFactory(1);
if ($resource instanceof Zend_Pdf_Element) {
$this->_resource = $this->_objectFactory->newObject($resource);
} else {
$this->_resource = $this->_objectFactory->newStreamObject($resource);
}
}
/**
* Dump current drawing instructions into the content stream.
*
* @todo Don't forget to close all current graphics operations (like path drawing)
*
* @throws Zend_Pdf_Exception
*/
public function flush()
{
if ($this->_saveCount != 0) {
//require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Saved graphics state is not restored');
}
if ($this->_contents == '') {
return;
}
if ($this->_pageDictionary->Contents->getType() != Zend_Pdf_Element::TYPE_ARRAY) {
/**
* It's a stream object.
* Prepare Contents page attribute for update.
*/
$this->_pageDictionary->touch();
$currentPageContents = $this->_pageDictionary->Contents;
$this->_pageDictionary->Contents = new Zend_Pdf_Element_Array();
$this->_pageDictionary->Contents->items[] = $currentPageContents;
} else {
$this->_pageDictionary->Contents->touch();
}
if (!$this->_safeGS && count($this->_pageDictionary->Contents->items) != 0) {
/**
* Page already has some content which is not treated as safe.
*
* Add save/restore GS operators
*/
$this->_addProcSet('PDF');
$newContentsArray = new Zend_Pdf_Element_Array();
$newContentsArray->items[] = $this->_objFactory->newStreamObject(" q\n");
foreach ($this->_pageDictionary->Contents->items as $contentStream) {
$newContentsArray->items[] = $contentStream;
}
$newContentsArray->items[] = $this->_objFactory->newStreamObject(" Q\n");
$this->_pageDictionary->touch();
$this->_pageDictionary->Contents = $newContentsArray;
$this->_safeGS = true;
}
$this->_pageDictionary->Contents->items[] = $this->_objFactory->newStreamObject($this->_contents);
$this->_contents = '';
}
/**
* Generate new Zend_Pdf_Element_Object_Stream
*
* @todo Reusage of the freed object. It's not a support of new feature, but only improvement.
*
* @param mixed $objectValue
* @return Zend_Pdf_Element_Object_Stream
*/
public function newStreamObject($streamValue)
{
return $this->_factory->newStreamObject($streamValue);
}
/**
* Dump current drawing instructions into the content stream.
*
* @todo Don't forget to close all current graphics operations (like path drawing)
*
* @throws Zend_Pdf_Exception
*/
public function flush()
{
if ($this->_saveCount != 0) {
throw new Zend_Pdf_Exception('Saved graphics state is not restored');
}
if ($this->_contents == '') {
return;
}
if ($this->_pageDictionary->Contents->getType() != Zend_Pdf_Element::TYPE_ARRAY) {
/**
* It's a stream object.
* Prepare Contents page attribute for update.
*/
$this->_pageDictionary->touch();
$currentPageContents = $this->_pageDictionary->Contents;
$this->_pageDictionary->Contents = new Zend_Pdf_Element_Array();
$this->_pageDictionary->Contents->items[] = $currentPageContents;
} else {
$this->_pageDictionary->Contents->touch();
}
$this->_pageDictionary->Contents->items[] = $this->_objFactory->newStreamObject($this->_contents);
$this->_contents = '';
}
/**
* Sets the document-level Metadata (mast be valid XMP document)
*
* @param string $metadata
*/
public function setMetadata($metadata)
{
$metadataObject = $this->_objFactory->newStreamObject($metadata);
$metadataObject->dictionary->Type = new Zend_Pdf_Element_Name('Metadata');
$metadataObject->dictionary->Subtype = new Zend_Pdf_Element_Name('XML');
$this->_trailer->Root->Metadata = $metadataObject;
$this->_trailer->Root->touch();
}
