/**
* Writes the xref table.
*
* @return int
*/
private function writeXrefTable()
{
$this->objectWriter->ensureBlankLine();
$xrefOffset = $this->objectWriter->currentOffset();
$this->objectWriter->writeRawLine('xref');
$this->objectWriter->writeRawLine(sprintf('0 %d', count($this->objectOffsets) + 1));
$this->objectWriter->writeRawLine(sprintf('%010d %05d f ', 0, 65535));
foreach ($this->objectOffsets as $offset) {
$this->objectWriter->writeRawLine(sprintf('%010d %05d n ', $offset, 0));
}
return $xrefOffset;
}
