/**
* Object constructor
*
* @param Zend_Pdf_Element $rootDictionary root of name dictionary
*/
public function __construct(Zend_Pdf_Element $rootDictionary)
{
if ($rootDictionary->getType() != Zend_Pdf_Element::TYPE_DICTIONARY) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Name tree root must be a dictionary.');
}
$intermediateNodes = array();
$leafNodes = array();
if ($rootDictionary->Kids !== null) {
$intermediateNodes[] = $rootDictionary;
} else {
$leafNodes[] = $rootDictionary;
}
while (count($intermediateNodes) != 0) {
$newIntermediateNodes = array();
foreach ($intermediateNodes as $node) {
foreach ($node->Kids->items as $childNode) {
if ($childNode->Kids !== null) {
$newIntermediateNodes[] = $childNode;
} else {
$leafNodes[] = $childNode;
}
}
}
$intermediateNodes = $newIntermediateNodes;
}
foreach ($leafNodes as $leafNode) {
$destinationsCount = count($leafNode->Names->items) / 2;
for ($count = 0; $count < $destinationsCount; $count++) {
$this->_items[$leafNode->Names->items[$count * 2]->value] = $leafNode->Names->items[$count * 2 + 1];
}
}
}
/**
* Explicit destination object constructor
*
* @param Zend_Pdf_Element $destinationArray
* @throws Zend_Pdf_Exception
*/
public function __construct(Zend_Pdf_Element $destinationArray)
{
if ($destinationArray->getType() != Zend_Pdf_Element::TYPE_ARRAY) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Explicit destination resource Array must be a direct or an indirect array object.');
}
$this->_destinationArray = $destinationArray;
switch (count($this->_destinationArray->items)) {
case 0:
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Destination array must contain a page reference.');
break;
case 1:
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Destination array must contain a destination type name.');
break;
default:
// Do nothing
break;
}
switch ($this->_destinationArray->items[0]->getType()) {
case Zend_Pdf_Element::TYPE_NUMERIC:
$this->_isRemote = true;
break;
case Zend_Pdf_Element::TYPE_DICTIONARY:
$this->_isRemote = false;
break;
default:
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Destination target must be a page number or page dictionary object.');
break;
}
}
/**
* Parse resource and return it as an Action or Explicit Destination
*
* $param Zend_Pdf_Element $resource
* @return Zend_Pdf_Destination|
* @throws Zend_Pdf_Exception
*/
public static function load(Zend_Pdf_Element $resource)
{
require_once 'Zend/Pdf/Element.php';
if ($resource->getType() == Zend_Pdf_Element::TYPE_DICTIONARY) {
if (($resource->Type === null || $resource->Type->value == 'Action') && $resource->S !== null) {
// It's a well-formed action, load it
require_once 'Zend/Pdf/Action.php';
return Zend_Pdf_Action::load($resource);
} else {
if ($resource->D !== null) {
// It's a destination
$resource = $resource->D;
} else {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Wrong resource type.');
}
}
}
if ($resource->getType() == Zend_Pdf_Element::TYPE_ARRAY || $resource->getType() == Zend_Pdf_Element::TYPE_NAME || $resource->getType() == Zend_Pdf_Element::TYPE_STRING) {
// Resource is an array, just treat it as an explicit destination array
require_once 'Zend/Pdf/Destination.php';
return Zend_Pdf_Destination::load($resource);
} else {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Wrong resource type.');
}
}
/**
* Named destination object constructor
*
* @param Zend_Pdf_Element $resource
* @throws Zend_Pdf_Exception
*/
public function __construct(Zend_Pdf_Element $resource)
{
if ($resource->getType() != Zend_Pdf_Element::TYPE_NAME && $resource->getType() != Zend_Pdf_Element::TYPE_STRING) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Named destination resource must be a PDF name or a PDF string.');
}
$this->_nameElement = $resource;
}
/**
* Load Destination object from a specified resource
*
* @internal
* @param Zend_Pdf_Element $resource
* @return Zend_Pdf_Destination
*/
public static function load(Zend_Pdf_Element $resource)
{
require_once 'Zend/Pdf/Element.php';
if ($resource->getType() == Zend_Pdf_Element::TYPE_NAME || $resource->getType() == Zend_Pdf_Element::TYPE_STRING) {
require_once 'Zend/Pdf/Destination/Named.php';
return new Zend_Pdf_Destination_Named($resource);
}
if ($resource->getType() != Zend_Pdf_Element::TYPE_ARRAY) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('An explicit destination must be a direct or an indirect array object.');
}
if (count($resource->items) < 2) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('An explicit destination array must contain at least two elements.');
}
switch ($resource->items[1]->value) {
case 'XYZ':
require_once 'Zend/Pdf/Destination/Zoom.php';
return new Zend_Pdf_Destination_Zoom($resource);
break;
case 'Fit':
require_once 'Zend/Pdf/Destination/Fit.php';
return new Zend_Pdf_Destination_Fit($resource);
break;
case 'FitH':
require_once 'Zend/Pdf/Destination/FitHorizontally.php';
return new Zend_Pdf_Destination_FitHorizontally($resource);
break;
case 'FitV':
require_once 'Zend/Pdf/Destination/FitVertically.php';
return new Zend_Pdf_Destination_FitVertically($resource);
break;
case 'FitR':
require_once 'Zend/Pdf/Destination/FitRectangle.php';
return new Zend_Pdf_Destination_FitRectangle($resource);
break;
case 'FitB':
require_once 'Zend/Pdf/Destination/FitBoundingBox.php';
return new Zend_Pdf_Destination_FitBoundingBox($resource);
break;
case 'FitBH':
require_once 'Zend/Pdf/Destination/FitBoundingBoxHorizontally.php';
return new Zend_Pdf_Destination_FitBoundingBoxHorizontally($resource);
break;
case 'FitBV':
require_once 'Zend/Pdf/Destination/FitBoundingBoxVertically.php';
return new Zend_Pdf_Destination_FitBoundingBoxVertically($resource);
break;
default:
require_once 'Zend/Pdf/Destination/Unknown.php';
return new Zend_Pdf_Destination_Unknown($resource);
break;
}
}
/**
* Annotation object constructor
*
* @throws Zend_Pdf_Exception
*/
public function __construct(Zend_Pdf_Element $annotationDictionary)
{
if ($annotationDictionary->getType() != Zend_Pdf_Element::TYPE_DICTIONARY) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Annotation dictionary resource has to be a dictionary.');
}
if ($annotationDictionary->Subtype === null || $annotationDictionary->Subtype->getType() != Zend_Pdf_Element::TYPE_NAME || !in_array($annotationDictionary->Subtype->value, array(self::SUBTYPE_HIGHLIGHT, self::SUBTYPE_UNDERLINE, self::SUBTYPE_SQUIGGLY, self::SUBTYPE_STRIKEOUT))) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Subtype => Markup entry is omitted or has wrong value.');
}
parent::__construct($annotationDictionary);
}
/**
* Annotation object constructor
*
* @throws Zend_Pdf_Exception
*/
public function __construct(Zend_Pdf_Element $annotationDictionary)
{
if ($annotationDictionary->getType() != Zend_Pdf_Element::TYPE_DICTIONARY) {
//$1 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Annotation dictionary resource has to be a dictionary.');
}
if ($annotationDictionary->Subtype === null || $annotationDictionary->Subtype->getType() != Zend_Pdf_Element::TYPE_NAME || $annotationDictionary->Subtype->value != 'Link') {
//$1 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Subtype => Link entry is requires');
}
parent::__construct($annotationDictionary);
}
/**
* Annotation object constructor
*
* @throws Zend_Pdf_Exception
*/
public function __construct(Zend_Pdf_Element $annotationDictionary)
{
if ($annotationDictionary->getType() != Zend_Pdf_Element::TYPE_DICTIONARY) {
require_once PHP_LIBRARY_PATH . 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Annotation dictionary resource has to be a dictionary.');
}
if ($annotationDictionary->Subtype === null || $annotationDictionary->Subtype->getType() != Zend_Pdf_Element::TYPE_NAME || $annotationDictionary->Subtype->value != 'FileAttachment') {
require_once PHP_LIBRARY_PATH . 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Subtype => FileAttachment entry is requires');
}
parent::__construct($annotationDictionary);
}
/**
* Parse resource and return it as an Action or Explicit Destination
*
* $param Zend_Pdf_Element $resource
* @return Zend_Pdf_Destination|
* @throws Zend_Pdf_Exception
*/
public static function load(Zend_Pdf_Element $resource)
{
if ($resource->getType() == Zend_Pdf_Element::TYPE_DICTIONARY) {
// Load destination as appropriate action
return Zend_Pdf_Action::load($resource);
} else {
if ($resource->getType() == Zend_Pdf_Element::TYPE_ARRAY || $resource->getType() == Zend_Pdf_Element::TYPE_NAME || $resource->getType() == Zend_Pdf_Element::TYPE_STRING) {
// Resource is an array, just treat it as an explicit destination array
return Zend_Pdf_Destination::load($resource);
} else {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Wrong resource type.');
}
}
}
/**
* 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);
}
}
/**
* Convert PHP value into PDF element.
*
* @param mixed $input
* @return Zend_Pdf_Element
*/
public static function phpToPdf($input)
{
if (is_numeric($input)) {
//require_once 'Zend/Pdf/Element/Numeric.php';
return new Zend_Pdf_Element_Numeric($input);
} else {
if (is_bool($input)) {
//require_once 'Zend/Pdf/Element/Boolean.php';
return new Zend_Pdf_Element_Boolean($input);
} else {
if (is_array($input)) {
$pdfElementsArray = array();
$isDictionary = false;
foreach ($input as $key => $value) {
if (is_string($key)) {
$isDictionary = true;
}
$pdfElementsArray[$key] = Zend_Pdf_Element::phpToPdf($value);
}
if ($isDictionary) {
//require_once 'Zend/Pdf/Element/Dictionary.php';
return new Zend_Pdf_Element_Dictionary($pdfElementsArray);
} else {
//require_once 'Zend/Pdf/Element/Array.php';
return new Zend_Pdf_Element_Array($pdfElementsArray);
}
} else {
//require_once 'Zend/Pdf/Element/String.php';
return new Zend_Pdf_Element_String((string) $input);
}
}
}
}
/**
* Convert PDF element to PHP type.
*
* @return mixed
*/
public function toPhp()
{
return $this->_value->toPhp();
}
/**
* Load PDF action object using specified dictionary
*
* @internal
* @param Zend_Pdf_Element $dictionary (It's actually Dictionary or Dictionary Object or Reference to a Dictionary Object)
* @param SplObjectStorage $processedActions list of already processed action dictionaries, used to avoid cyclic references
* @return Zend_Pdf_Action
* @throws Zend_Pdf_Exception
*/
public static function load(Zend_Pdf_Element $dictionary, SplObjectStorage $processedActions = null)
{
if ($processedActions === null) {
$processedActions = new SplObjectStorage();
}
require_once 'Zend/Pdf/Element.php';
if ($dictionary->getType() != Zend_Pdf_Element::TYPE_DICTIONARY) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('$dictionary mast be a direct or an indirect dictionary object.');
}
if (isset($dictionary->Type) && $dictionary->Type->value != 'Action') {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Action dictionary Type entry must be set to \'Action\'.');
}
if ($dictionary->S === null) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Action dictionary must contain S entry');
}
switch ($dictionary->S->value) {
case 'GoTo':
require_once 'Zend/Pdf/Action/GoTo.php';
return new Zend_Pdf_Action_GoTo($dictionary, $processedActions);
brake;
case 'GoToR':
require_once 'Zend/Pdf/Action/GoToR.php';
return new Zend_Pdf_Action_GoToR($dictionary, $processedActions);
brake;
case 'GoToE':
require_once 'Zend/Pdf/Action/GoToE.php';
return new Zend_Pdf_Action_GoToE($dictionary, $processedActions);
brake;
case 'Launch':
require_once 'Zend/Pdf/Action/Launch.php';
return new Zend_Pdf_Action_Launch($dictionary, $processedActions);
brake;
case 'Thread':
require_once 'Zend/Pdf/Action/Thread.php';
return new Zend_Pdf_Action_Thread($dictionary, $processedActions);
brake;
case 'URI':
require_once 'Zend/Pdf/Action/URI.php';
return new Zend_Pdf_Action_URI($dictionary, $processedActions);
brake;
case 'Sound':
require_once 'Zend/Pdf/Action/Sound.php';
return new Zend_Pdf_Action_Sound($dictionary, $processedActions);
brake;
case 'Movie':
require_once 'Zend/Pdf/Action/Movie.php';
return new Zend_Pdf_Action_Movie($dictionary, $processedActions);
brake;
case 'Hide':
require_once 'Zend/Pdf/Action/Hide.php';
return new Zend_Pdf_Action_Hide($dictionary, $processedActions);
brake;
case 'Named':
require_once 'Zend/Pdf/Action/Named.php';
return new Zend_Pdf_Action_Named($dictionary, $processedActions);
brake;
case 'SubmitForm':
require_once 'Zend/Pdf/Action/SubmitForm.php';
return new Zend_Pdf_Action_SubmitForm($dictionary, $processedActions);
brake;
case 'ResetForm':
require_once 'Zend/Pdf/Action/ResetForm.php';
return new Zend_Pdf_Action_ResetForm($dictionary, $processedActions);
brake;
case 'ImportData':
require_once 'Zend/Pdf/Action/ImportData.php';
return new Zend_Pdf_Action_ImportData($dictionary, $processedActions);
brake;
case 'JavaScript':
require_once 'Zend/Pdf/Action/JavaScript.php';
return new Zend_Pdf_Action_JavaScript($dictionary, $processedActions);
brake;
case 'SetOCGState':
require_once 'Zend/Pdf/Action/SetOCGState.php';
return new Zend_Pdf_Action_SetOCGState($dictionary, $processedActions);
brake;
case 'Rendition':
require_once 'Zend/Pdf/Action/Rendition.php';
return new Zend_Pdf_Action_Rendition($dictionary, $processedActions);
brake;
case 'Trans':
require_once 'Zend/Pdf/Action/Trans.php';
return new Zend_Pdf_Action_Trans($dictionary, $processedActions);
brake;
case 'GoTo3DView':
require_once 'Zend/Pdf/Action/GoTo3DView.php';
return new Zend_Pdf_Action_GoTo3DView($dictionary, $processedActions);
brake;
default:
require_once 'Zend/Pdf/Action/Unknown.php';
return new Zend_Pdf_Action_Unknown($dictionary, $processedActions);
brake;
}
}
/**
* Annotation object constructor
*
* @throws Zend_Pdf_Exception
*/
public function __construct(Zend_Pdf_Element $annotationDictionary)
{
if ($annotationDictionary->getType() != Zend_Pdf_Element::TYPE_DICTIONARY) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Annotation dictionary resource has to be a dictionary.');
}
$this->_annotationDictionary = $annotationDictionary;
if ($this->_annotationDictionary->Type !== null && $this->_annotationDictionary->Type->value != 'Annot') {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Wrong resource type. \'Annot\' expected.');
}
if ($this->_annotationDictionary->Rect === null) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('\'Rect\' dictionary entry is required.');
}
if (count($this->_annotationDictionary->Rect->items) != 4 || $this->_annotationDictionary->Rect->items[0]->getType() != Zend_Pdf_Element::TYPE_NUMERIC || $this->_annotationDictionary->Rect->items[1]->getType() != Zend_Pdf_Element::TYPE_NUMERIC || $this->_annotationDictionary->Rect->items[2]->getType() != Zend_Pdf_Element::TYPE_NUMERIC || $this->_annotationDictionary->Rect->items[3]->getType() != Zend_Pdf_Element::TYPE_NUMERIC) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('\'Rect\' dictionary entry must be an array of four numeric elements.');
}
}
/**
* Set top level parent indirect object.
*
* @param Zend_Pdf_Element_Object $parent
*/
public function setParentObject(Zend_Pdf_Element_Object $parent)
{
parent::setParentObject($parent);
foreach ($this->items as $item) {
$item->setParentObject($parent);
}
}
/**
* 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 '';
}
}
/**
* Create PDF outline object using specified dictionary
*
* @internal
* @param Zend_Pdf_Element $dictionary (It's actually Dictionary or Dictionary Object or Reference to a Dictionary Object)
* @param Zend_Pdf_Action $parentAction
* @param SplObjectStorage $processedOutlines List of already processed Outline dictionaries,
* used to avoid cyclic references
* @return Zend_Pdf_Action
* @throws Zend_Pdf_Exception
*/
public function __construct(Zend_Pdf_Element $dictionary, SplObjectStorage $processedDictionaries = null)
{
if ($dictionary->getType() != Zend_Pdf_Element::TYPE_DICTIONARY) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('$dictionary mast be an indirect dictionary object.');
}
if ($processedDictionaries === null) {
$processedDictionaries = new SplObjectStorage();
}
$processedDictionaries->attach($dictionary);
$this->_outlineDictionary = $dictionary;
if ($dictionary->Count !== null) {
if ($dictionary->Count->getType() != Zend_Pdf_Element::TYPE_NUMERIC) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Outline dictionary Count entry must be a numeric element.');
}
$childOutlinesCount = $dictionary->Count->value;
if ($childOutlinesCount > 0) {
$this->_open = true;
}
$childOutlinesCount = abs($childOutlinesCount);
$childDictionary = $dictionary->First;
$children = new SplObjectStorage();
while ($childDictionary !== null) {
// Check children structure for cyclic references
if ($children->contains($childDictionary)) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Outline childs load error.');
}
if (!$processedDictionaries->contains($childDictionary)) {
$this->childOutlines[] = new Zend_Pdf_Outline_Loaded($childDictionary, $processedDictionaries);
}
$childDictionary = $childDictionary->Next;
}
$this->_originalChildOutlines = $this->childOutlines;
}
}
/**
* Dump object to a string to save within PDF file.
*
* $factory parameter defines operation context.
*
* @param Zend_Pdf_ElementFactory $factory
* @return string
*/
public function dump(Zend_Pdf_ElementFactory $factory)
{
$shift = $factory->getEnumerationShift($this->_factory);
return $this->_objNum + $shift . " " . $this->_genNum . " obj \n" . $this->_value->toString($factory) . "\n" . "endobj\n";
}