/**
* @param IndirectObject $indirectObject
* @return ObjectInterface
*/
public function getObject(IndirectObject $indirectObject)
{
if ($indirectObject->getObjectStorage() !== $this) {
throw new DomainException('Object storage of indirect object must equal this object storage');
}
return $this->objects[$indirectObject->getId()];
}
/**
* Writes all objects.
*
* @param SplFileObject $fileObject
* @return array
*/
private function writeObjects(SplFileObject $fileObject)
{
$objectOffsets = [];
foreach ($this->objects as $object) {
$indirectObject = $this->objects->getIndirectObject($object);
$id = $indirectObject->getId();
$objectOffsets[] = $fileObject->ftell();
$fileObject->fwrite(sprintf("%d 0 obj\n", $id));
$key = null;
if (null !== $this->encrypt && $id !== $this->encrypt->getId()) {
$key = substr(hex2bin(md5($this->encryptionKey . substr(pack('V', $id), 0, 3) . substr(pack('V', $indirectObject->getGeneration()), 0, 2))), 0, min(16, strlen($this->encryptionKey) + 5));
}
$object->writeToStream($fileObject, $key);
$fileObject->fwrite("\nendobj\n");
}
return $objectOffsets;
}
