/**
* Load pages recursively
*
* @param Zend_Pdf_Element_Reference $pages
* @param array|null $attributes
*/
protected 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 || $attributes[$property] instanceof Zend_Pdf_Element_Reference) {
$child->{$property} = $attributes[$property];
} else {
$child->{$property} = $this->_objFactory->newObject($attributes[$property]);
}
}
}
$this->pages[] = new Core_Pdf_Page($child, $this->_objFactory);
}
}
}
}
/**
* Clone page, extract it and dependent objects from the current document,
* so it can be used within other docs.
*
* @internal
* @param Zend_Pdf_ElementFactory_Interface $factory
* @param array $processed
* @return Zend_Pdf_Page
*/
public function clonePage($factory, &$processed)
{
// Clone dictionary object.
// Do it explicitly to prevent sharing page attributes between different
// results of clonePage() operation (other resources are still shared)
$dictionary = new Zend_Pdf_Element_Dictionary();
foreach ($this->_dictionary->getKeys() as $key) {
$dictionary->{$key} = $this->_dictionary->{$key}->makeClone($factory->getFactory(), $processed, Zend_Pdf_Element::CLONE_MODE_SKIP_PAGES);
}
$clonedPage = new Zend_Pdf_Page($factory->newObject($dictionary), $factory);
$clonedPage->_attached = false;
return $clonedPage;
}
