/**
* 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);
}
}
/**
*
* @param Zend_Pdf_Annotation $annotation
* @return Zend_Pdf_Page
*/
public function attachAnnotation(Zend_Pdf_Annotation $annotation)
{
$annotationDictionary = $annotation->getResource();
if (!$annotationDictionary instanceof Zend_Pdf_Element_Object && !$annotationDictionary instanceof Zend_Pdf_Element_Reference) {
$annotationDictionary = $this->_objFactory->newObject($annotationDictionary);
}
if ($this->_pageDictionary->Annots === null) {
$this->_pageDictionary->touch();
$this->_pageDictionary->Annots = new Zend_Pdf_Element_Array();
} else {
$this->_pageDictionary->Annots->touch();
}
$this->_pageDictionary->Annots->items[] = $annotationDictionary;
$annotationDictionary->touch();
$annotationDictionary->P = $this->_pageDictionary;
return $this;
}
/**
* Generate new Zend_Pdf_Element_Object
*
* @todo Reusage of the freed object. It's not a support of new feature, but only improvement.
*
* @param Zend_Pdf_Element $objectValue
* @return Zend_Pdf_Element_Object
*/
public function newObject(Zend_Pdf_Element $objectValue)
{
return $this->_factory->newObject($objectValue);
}
/**
* Object constructor.
* Constructor signatures:
*
* 1. Load PDF page from a parsed PDF file.
* Object factory is created by PDF parser.
* ---------------------------------------------------------
* new Zend_Pdf_Page(Zend_Pdf_Element_Dictionary $pageDict,
* Zend_Pdf_ElementFactory_Interface $factory);
* ---------------------------------------------------------
*
* 2. Clone PDF page.
* New page is created in the same context as source page. Object factory is shared.
* Thus it will be attached to the document, but need to be placed into Zend_Pdf::$pages array
* to be included into output.
* ---------------------------------------------------------
* new Zend_Pdf_Page(Zend_Pdf_Page $page);
* ---------------------------------------------------------
*
* 3. Create new page with a specified pagesize.
* If $factory is null then it will be created and page must be attached to the document to be
* included into output.
* ---------------------------------------------------------
* new Zend_Pdf_Page(string $pagesize, Zend_Pdf_ElementFactory_Interface $factory = null);
* ---------------------------------------------------------
*
* 4. Create new page with a specified pagesize (in default user space units).
* If $factory is null then it will be created and page must be attached to the document to be
* included into output.
* ---------------------------------------------------------
* new Zend_Pdf_Page(numeric $width, numeric $height, Zend_Pdf_ElementFactory_Interface $factory = null);
* ---------------------------------------------------------
*
*
* @param mixed $param1
* @param mixed $param2
* @param mixed $param3
* @throws Zend_Pdf_Exception
*/
public function __construct($param1, $param2 = null, $param3 = null)
{
if ($param1 instanceof Zend_Pdf_Element_Reference && $param1->getType() == Zend_Pdf_Element::TYPE_DICTIONARY && $param2 instanceof Zend_Pdf_ElementFactory_Interface && $param3 === null) {
$this->_pageDictionary = $param1;
$this->_objFactory = $param2;
$this->_attached = true;
return;
} else {
if ($param1 instanceof Zend_Pdf_Page && $param2 === null && $param3 === null) {
/** @todo implementation */
throw new Zend_Pdf_Exception('Not implemented yet.');
} else {
if (is_string($param1) && ($param2 === null || $param2 instanceof Zend_Pdf_ElementFactory_Interface) && $param3 === null) {
$this->_objFactory = $param2 !== null ? $param2 : Zend_Pdf_ElementFactory::createFactory(1);
$this->_attached = false;
switch (strtolower($param1)) {
case 'a4':
$param1 = Zend_Pdf_Page::SIZE_A4;
break;
case 'a4-landscape':
$param1 = Zend_Pdf_Page::SIZE_A4_LANDSCAPE;
break;
case 'letter':
$param1 = Zend_Pdf_Page::SIZE_LETTER;
break;
case 'letter-landscape':
$param1 = Zend_Pdf_Page::SIZE_LETTER_LANDSCAPE;
break;
default:
// should be in "x:y" form
}
$pageDim = explode(':', $param1);
if (count($pageDim) == 3) {
$pageWidth = $pageDim[0];
$pageHeight = $pageDim[1];
} else {
/**
* @todo support of user defined pagesize notations, like:
* "210x297mm", "595x842", "8.5x11in", "612x792"
*/
throw new Zend_Pdf_Exception('Wrong pagesize notation.');
}
/**
* @todo support of pagesize recalculation to "default user space units"
*/
} else {
if (is_numeric($param1) && is_numeric($param2) && ($param3 === null || $param3 instanceof Zend_Pdf_ElementFactory_Interface)) {
$this->_objFactory = $param3 !== null ? $param3 : Zend_Pdf_ElementFactory::createFactory(1);
$this->_attached = false;
$pageWidth = $param1;
$pageHeight = $param2;
} else {
throw new Zend_Pdf_Exception('Unrecognized method signature, wrong number of arguments or wrong argument types.');
}
}
}
}
$this->_pageDictionary = $this->_objFactory->newObject(new Zend_Pdf_Element_Dictionary());
$this->_pageDictionary->Type = new Zend_Pdf_Element_Name('Page');
$this->_pageDictionary->LastModified = new Zend_Pdf_Element_String(Zend_Pdf::pdfDate());
$this->_pageDictionary->Resources = new Zend_Pdf_Element_Dictionary();
$this->_pageDictionary->MediaBox = new Zend_Pdf_Element_Array();
$this->_pageDictionary->MediaBox->items[] = new Zend_Pdf_Element_Numeric(0);
$this->_pageDictionary->MediaBox->items[] = new Zend_Pdf_Element_Numeric(0);
$this->_pageDictionary->MediaBox->items[] = new Zend_Pdf_Element_Numeric($pageWidth);
$this->_pageDictionary->MediaBox->items[] = new Zend_Pdf_Element_Numeric($pageHeight);
$this->_pageDictionary->Contents = new Zend_Pdf_Element_Array();
}
/**
* Dump Outline and its child outlines into PDF structures
*
* Returns dictionary indirect object or reference
*
* @internal
* @param Zend_Pdf_ElementFactory $factory object factory for newly created indirect objects
* @param boolean $updateNavigation Update navigation flag
* @param Zend_Pdf_Element $parent Parent outline dictionary reference
* @param Zend_Pdf_Element $prev Previous outline dictionary reference
* @param SplObjectStorage $processedOutlines List of already processed outlines
* @return Zend_Pdf_Element
* @throws Zend_Pdf_Exception
*/
public function dumpOutline(Zend_Pdf_ElementFactory_Interface $factory, $updateNavigation, Zend_Pdf_Element $parent, Zend_Pdf_Element $prev = null, SplObjectStorage $processedOutlines = null)
{
if ($processedOutlines === null) {
$processedOutlines = new SplObjectStorage();
}
$processedOutlines->attach($this);
$outlineDictionary = $factory->newObject(new Zend_Pdf_Element_Dictionary());
$outlineDictionary->Title = new Zend_Pdf_Element_String($this->getTitle());
$target = $this->getTarget();
if ($target === null) {
// Do nothing
} else {
if ($target instanceof Zend_Pdf_Destination) {
$outlineDictionary->Dest = $target->getResource();
} else {
if ($target instanceof Zend_Pdf_Action) {
$outlineDictionary->A = $target->getResource();
} else {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Outline target has to be Zend_Pdf_Destination, Zend_Pdf_Action object or null');
}
}
}
$color = $this->getColor();
if ($color !== null) {
$components = $color->getComponents();
$colorComponentElements = array(new Zend_Pdf_Element_Numeric($components[0]), new Zend_Pdf_Element_Numeric($components[1]), new Zend_Pdf_Element_Numeric($components[2]));
$outlineDictionary->C = new Zend_Pdf_Element_Array($colorComponentElements);
}
if ($this->isItalic() || $this->isBold()) {
$outlineDictionary->F = new Zend_Pdf_Element_Numeric(($this->isItalic() ? 1 : 0) | ($this->isBold() ? 2 : 0));
// Bit 2 - Bold
}
$outlineDictionary->Parent = $parent;
$outlineDictionary->Prev = $prev;
$lastChild = null;
foreach ($this->childOutlines as $childOutline) {
if ($processedOutlines->contains($childOutline)) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Outlines cyclyc reference is detected.');
}
if ($lastChild === null) {
$lastChild = $childOutline->dumpOutline($factory, true, $outlineDictionary, null, $processedOutlines);
$outlineDictionary->First = $lastChild;
} else {
$childOutlineDictionary = $childOutline->dumpOutline($factory, true, $outlineDictionary, $lastChild, $processedOutlines);
$lastChild->Next = $childOutlineDictionary;
$lastChild = $childOutlineDictionary;
}
}
$outlineDictionary->Last = $lastChild;
if (count($this->childOutlines) != 0) {
$outlineDictionary->Count = new Zend_Pdf_Element_Numeric(($this->isOpen() ? 1 : -1) * count($this->childOutlines));
}
return $outlineDictionary;
}
/**
* Render the completed PDF to a string.
* If $newSegmentOnly is true and it's not a new document,
* then only appended part of PDF is returned.
*
* @param boolean $newSegmentOnly
* @param resource $outputStream
* @return string
* @throws Zend_Pdf_Exception
*/
public function render($newSegmentOnly = false, $outputStream = null)
{
if ($this->_isNewDocument) {
// Drop full document first time even $newSegmentOnly is set to true
$newSegmentOnly = false;
$this->_isNewDocument = false;
}
// Save document properties if necessary
if ($this->properties != $this->_originalProperties) {
$docInfo = $this->_objFactory->newObject(new Zend_Pdf_Element_Dictionary());
foreach ($this->properties as $key => $value) {
switch ($key) {
case 'Trapped':
switch ($value) {
case true:
$docInfo->$key = new Zend_Pdf_Element_Name('True');
break;
case false:
$docInfo->$key = new Zend_Pdf_Element_Name('False');
break;
case null:
$docInfo->$key = new Zend_Pdf_Element_Name('Unknown');
break;
default:
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Wrong Trapped document property vale: \'' . $value . '\'. Only true, false and null values are allowed.');
break;
}
case 'CreationDate':
// break intentionally omitted
case 'ModDate':
$docInfo->$key = new Zend_Pdf_Element_String((string)$value);
break;
case 'Title':
// break intentionally omitted
case 'Author':
// break intentionally omitted
case 'Subject':
// break intentionally omitted
case 'Keywords':
// break intentionally omitted
case 'Creator':
// break intentionally omitted
case 'Producer':
if (extension_loaded('mbstring') === true) {
$detected = mb_detect_encoding($value);
if ($detected !== 'ASCII') {
$value = "\xfe\xff" . mb_convert_encoding($value, 'UTF-16', $detected);
}
}
$docInfo->$key = new Zend_Pdf_Element_String((string)$value);
break;
default:
// Set property using PDF type based on PHP type
$docInfo->$key = Zend_Pdf_Element::phpToPdf($value);
break;
}
}
$this->_trailer->Info = $docInfo;
}
$this->_dumpPages();
$this->_dumpNamedDestinations();
$this->_dumpOutlines();
// Check, that PDF file was modified
// File is always modified by _dumpPages() now, but future implementations may eliminate this.
if (!$this->_objFactory->isModified()) {
if ($newSegmentOnly) {
// Do nothing, return
return '';
}
if ($outputStream === null) {
return $this->_trailer->getPDFString();
} else {
$pdfData = $this->_trailer->getPDFString();
while ( strlen($pdfData) > 0 && ($byteCount = fwrite($outputStream, $pdfData)) != false ) {
$pdfData = substr($pdfData, $byteCount);
}
return '';
}
}
// offset (from a start of PDF file) of new PDF file segment
$offset = $this->_trailer->getPDFLength();
// Last Object number in a list of free objects
$lastFreeObject = $this->_trailer->getLastFreeObject();
// Array of cross-reference table subsections
$xrefTable = array();
// Object numbers of first objects in each subsection
$xrefSectionStartNums = array();
// Last cross-reference table subsection
$xrefSection = array();
// Dummy initialization of the first element (specail case - header of linked list of free objects).
$xrefSection[] = 0;
$xrefSectionStartNums[] = 0;
// Object number of last processed PDF object.
// Used to manage cross-reference subsections.
// Initialized by zero (specail case - header of linked list of free objects).
$lastObjNum = 0;
if ($outputStream !== null) {
if (!$newSegmentOnly) {
$pdfData = $this->_trailer->getPDFString();
while ( strlen($pdfData) > 0 && ($byteCount = fwrite($outputStream, $pdfData)) != false ) {
$pdfData = substr($pdfData, $byteCount);
}
}
} else {
$pdfSegmentBlocks = ($newSegmentOnly) ? array() : array($this->_trailer->getPDFString());
}
// Iterate objects to create new reference table
foreach ($this->_objFactory->listModifiedObjects() as $updateInfo) {
$objNum = $updateInfo->getObjNum();
if ($objNum - $lastObjNum != 1) {
// Save cross-reference table subsection and start new one
$xrefTable[] = $xrefSection;
$xrefSection = array();
$xrefSectionStartNums[] = $objNum;
}
if ($updateInfo->isFree()) {
// Free object cross-reference table entry
$xrefSection[] = sprintf("%010d %05d f \n", $lastFreeObject, $updateInfo->getGenNum());
$lastFreeObject = $objNum;
} else {
// In-use object cross-reference table entry
$xrefSection[] = sprintf("%010d %05d n \n", $offset, $updateInfo->getGenNum());
$pdfBlock = $updateInfo->getObjectDump();
$offset += strlen($pdfBlock);
if ($outputStream === null) {
$pdfSegmentBlocks[] = $pdfBlock;
} else {
while ( strlen($pdfBlock) > 0 && ($byteCount = fwrite($outputStream, $pdfBlock)) != false ) {
$pdfBlock = substr($pdfBlock, $byteCount);
}
}
}
$lastObjNum = $objNum;
}
// Save last cross-reference table subsection
$xrefTable[] = $xrefSection;
// Modify first entry (specail case - header of linked list of free objects).
$xrefTable[0][0] = sprintf("%010d 65535 f \n", $lastFreeObject);
$xrefTableStr = "xref\n";
foreach ($xrefTable as $sectId => $xrefSection) {
$xrefTableStr .= sprintf("%d %d \n", $xrefSectionStartNums[$sectId], count($xrefSection));
foreach ($xrefSection as $xrefTableEntry) {
$xrefTableStr .= $xrefTableEntry;
}
}
$this->_trailer->Size->value = $this->_objFactory->getObjectCount();
$pdfBlock = $xrefTableStr
. $this->_trailer->toString()
. "startxref\n" . $offset . "\n"
. "%%EOF\n";
$this->_objFactory->cleanEnumerationShiftCache();
if ($outputStream === null) {
$pdfSegmentBlocks[] = $pdfBlock;
return implode('', $pdfSegmentBlocks);
} else {
while ( strlen($pdfBlock) > 0 && ($byteCount = fwrite($outputStream, $pdfBlock)) != false ) {
$pdfBlock = substr($pdfBlock, $byteCount);
}
return '';
}
}
public function setEmbeddedJS($javascript = null)
{
/*
* Names container
*/
if (null === $javascript || '' === $javascript) {
throw new Zend_Pdf_Exception("Javascript must be set.");
}
$this->setJavaScript($javascript);
$js_code = array("S" => new Zend_Pdf_Element_Name('JavaScript'), "JS" => new Zend_Pdf_Element_String($this->getJavascript()));
$embed[] = new Zend_Pdf_Element_String('EmbeddedJS');
$embed[] = $this->_objFactory->newObject(new Zend_Pdf_Element_Dictionary($js_code));
$js_ref = $this->_objFactory->newObject(new Zend_Pdf_Element_Dictionary(array('Names' => new Zend_Pdf_Element_Array($embed))));
$this->_trailer->Root->Names = new Zend_Pdf_Element_Dictionary(array('JavaScript' => $js_ref));
}
/**
* Set the transparancy
*
* $alpha == 0 - transparent
* $alpha == 1 - opaque
*
* Transparency modes, supported by PDF:
* Normal (default), Multiply, Screen, Overlay, Darken, Lighten, ColorDodge, ColorBurn, HardLight,
* SoftLight, Difference, Exclusion
*
* @param float $alpha
* @param string $mode
* @throws Zend_Pdf_Exception
* @return Zend_Pdf_Page
*/
public function setAlpha($alpha, $mode = 'Normal')
{
if (!in_array($mode, array('Normal', 'Multiply', 'Screen', 'Overlay', 'Darken', 'Lighten', 'ColorDodge', 'ColorBurn', 'HardLight', 'SoftLight', 'Difference', 'Exclusion'))) {
throw new Zend_Pdf_Exception('Unsupported transparency mode.');
}
if (!is_numeric($alpha) || $alpha < 0 || $alpha > 1) {
throw new Zend_Pdf_Exception('Alpha value must be numeric between 0 (transparent) and 1 (opaque).');
}
$this->_addProcSet('Text');
$this->_addProcSet('PDF');
$resources = $this->_pageDictionary->Resources;
// Check if Resources dictionary contains ExtGState entry
if ($resources->ExtGState === null) {
$resources->touch();
$resources->ExtGState = new Zend_Pdf_Element_Dictionary();
} else {
$resources->ExtGState->touch();
}
$idCounter = 1;
do {
$gStateName = 'GS' . $idCounter++;
} while ($resources->ExtGState->{$gStateName} !== null);
$gStateDictionary = new Zend_Pdf_Element_Dictionary();
$gStateDictionary->Type = new Zend_Pdf_Element_Name('ExtGState');
$gStateDictionary->BM = new Zend_Pdf_Element_Name($mode);
$gStateDictionary->CA = new Zend_Pdf_Element_Numeric($alpha);
$gStateDictionary->ca = new Zend_Pdf_Element_Numeric($alpha);
$resources->ExtGState->{$gStateName} = $this->_objFactory->newObject($gStateDictionary);
$gStateNameObj = new Zend_Pdf_Element_Name($gStateName);
$this->_contents .= $gStateNameObj->toString() . " gs\n";
return $this;
}
/**
* Object constructor.
* Constructor signatures:
*
* 1. Load PDF page from a parsed PDF file.
* Object factory is created by PDF parser.
* ---------------------------------------------------------
* new Zend_Pdf_Page(Zend_Pdf_Element_Dictionary $pageDict,
* Zend_Pdf_ElementFactory_Interface $factory);
* ---------------------------------------------------------
*
* 2. Clone PDF page.
* New page is created in the same context as source page. Object factory is shared.
* Thus it will be attached to the document, but need to be placed into Zend_Pdf::$pages array
* to be included into output.
* ---------------------------------------------------------
* new Zend_Pdf_Page(Zend_Pdf_Page $page);
* ---------------------------------------------------------
*
* 3. Create new page with a specified pagesize.
* If $factory is null then it will be created and page must be attached to the document to be
* included into output.
* ---------------------------------------------------------
* new Zend_Pdf_Page(string $pagesize, Zend_Pdf_ElementFactory_Interface $factory = null);
* ---------------------------------------------------------
*
* 4. Create new page with a specified pagesize (in default user space units).
* If $factory is null then it will be created and page must be attached to the document to be
* included into output.
* ---------------------------------------------------------
* new Zend_Pdf_Page(numeric $width, numeric $height, Zend_Pdf_ElementFactory_Interface $factory = null);
* ---------------------------------------------------------
*
*
* @param mixed $param1
* @param mixed $param2
* @param mixed $param3
* @throws Zend_Pdf_Exception
*/
public function __construct($param1, $param2 = null, $param3 = null)
{
if ($param1 instanceof Zend_Pdf_Element_Reference && $param1->getType() == Zend_Pdf_Element::TYPE_DICTIONARY && $param2 instanceof Zend_Pdf_ElementFactory_Interface && $param3 === null) {
$this->_pageDictionary = $param1;
$this->_objFactory = $param2;
$this->_attached = true;
return;
} else {
if ($param1 instanceof Zend_Pdf_Page && $param2 === null && $param3 === null) {
// Clone existing page.
// Let already existing content and resources to be shared between pages
// We don't give existing content modification functionality, so we don't need "deep copy"
$this->_objFactory = $param1->_objFactory;
$this->_attached =& $param1->_attached;
$this->_pageDictionary = $this->_objFactory->newObject(new Zend_Pdf_Element_Dictionary());
foreach ($param1->_pageDictionary->getKeys() as $key) {
if ($key == 'Contents') {
// Clone Contents property
$this->_pageDictionary->Contents = new Zend_Pdf_Element_Array();
if ($param1->_pageDictionary->Contents->getType() != Zend_Pdf_Element::TYPE_ARRAY) {
// Prepare array of content streams and add existing stream
$this->_pageDictionary->Contents->items[] = $param1->_pageDictionary->Contents;
} else {
// Clone array of the content streams
foreach ($param1->_pageDictionary->Contents->items as $srcContentStream) {
$this->_pageDictionary->Contents->items[] = $srcContentStream;
}
}
} else {
$this->_pageDictionary->{$key} = $param1->_pageDictionary->{$key};
}
}
return;
} else {
if (is_string($param1) && ($param2 === null || $param2 instanceof Zend_Pdf_ElementFactory_Interface) && $param3 === null) {
$this->_objFactory = $param2 !== null ? $param2 : Zend_Pdf_ElementFactory::createFactory(1);
$this->_attached = false;
switch (strtolower($param1)) {
case 'a4':
$param1 = Zend_Pdf_Page::SIZE_A4;
break;
case 'a4-landscape':
$param1 = Zend_Pdf_Page::SIZE_A4_LANDSCAPE;
break;
case 'letter':
$param1 = Zend_Pdf_Page::SIZE_LETTER;
break;
case 'letter-landscape':
$param1 = Zend_Pdf_Page::SIZE_LETTER_LANDSCAPE;
break;
default:
// should be in "x:y" form
}
$pageDim = explode(':', $param1);
if (count($pageDim) == 3) {
$pageWidth = $pageDim[0];
$pageHeight = $pageDim[1];
} else {
/**
* @todo support of user defined pagesize notations, like:
* "210x297mm", "595x842", "8.5x11in", "612x792"
*/
throw new Zend_Pdf_Exception('Wrong pagesize notation.');
}
/**
* @todo support of pagesize recalculation to "default user space units"
*/
} else {
if (is_numeric($param1) && is_numeric($param2) && ($param3 === null || $param3 instanceof Zend_Pdf_ElementFactory_Interface)) {
$this->_objFactory = $param3 !== null ? $param3 : Zend_Pdf_ElementFactory::createFactory(1);
$this->_attached = false;
$pageWidth = $param1;
$pageHeight = $param2;
} else {
throw new Zend_Pdf_Exception('Unrecognized method signature, wrong number of arguments or wrong argument types.');
}
}
}
}
$this->_pageDictionary = $this->_objFactory->newObject(new Zend_Pdf_Element_Dictionary());
$this->_pageDictionary->Type = new Zend_Pdf_Element_Name('Page');
$this->_pageDictionary->LastModified = new Zend_Pdf_Element_String(Zend_Pdf::pdfDate());
$this->_pageDictionary->Resources = new Zend_Pdf_Element_Dictionary();
$this->_pageDictionary->MediaBox = new Zend_Pdf_Element_Array();
$this->_pageDictionary->MediaBox->items[] = new Zend_Pdf_Element_Numeric(0);
$this->_pageDictionary->MediaBox->items[] = new Zend_Pdf_Element_Numeric(0);
$this->_pageDictionary->MediaBox->items[] = new Zend_Pdf_Element_Numeric($pageWidth);
$this->_pageDictionary->MediaBox->items[] = new Zend_Pdf_Element_Numeric($pageHeight);
$this->_pageDictionary->Contents = new Zend_Pdf_Element_Array();
}
/**
* Load pages recursively
*
* @param Zend_Pdf_Element_Reference $pages
* @param array|null $attributes
*/
private function _loadPages(Zend_Pdf_Element_Reference $pages, $attributes = array())
{
if ($pages->getType() != Zend_Pdf_Element::TYPE_DICTIONARY) {
throw new Zend_Pdf_Exception('Wrong argument');
}
foreach ($pages->getKeys() as $property) {
if (in_array($property, self::$_inheritableAttributes)) {
$attributes[$property] = $pages->{$property};
$pages->{$property} = null;
}
}
foreach ($pages->Kids->items as $child) {
if ($child->Type->value == 'Pages') {
$this->_loadPages($child, $attributes);
} else {
if ($child->Type->value == 'Page') {
foreach (self::$_inheritableAttributes as $property) {
if ($child->{$property} === null && array_key_exists($property, $attributes)) {
/**
* Important note.
* If any attribute or dependant object is an indirect object, then it's still
* shared between pages.
*/
if ($attributes[$property] instanceof Zend_Pdf_Element_Object) {
$child->{$property} = $attributes[$property];
} else {
$child->{$property} = $this->_objFactory->newObject($attributes[$property]);
}
}
}
$this->pages[] = new Zend_Pdf_Page($child, $this->_objFactory);
}
}
}
}
