/**
* Print out text to the PDF
*
* @param $x
* @param $y
* @param $txt
* @return PdfDocument
*/
public function addText($x, $y, $txt)
{
$document = $this->_pdfDocument;
$pdfOutput = $document->getOutputter();
if ($this->_pdfDocument->getUnifontSubset()) {
$txt2 = '(' . $pdfOutput->escape($pdfOutput->UTF8ToUTF16BE($txt, false)) . ')';
$fontOutputter = $pdfOutput->getFontOutputter();
$currentFont =& $fontOutputter->fonts[$document->getCurrentFont()];
foreach ($pdfOutput->UTF8StringToArray($txt) as $uni) {
$currentFont['subset'][$uni] = $uni;
}
} else {
$txt2 = '(' . $pdfOutput->escape($txt) . ')';
}
$scaleFactor = $document->getScaleFactor();
$height = $document->getPage()->getHeight();
$s = sprintf('BT %.2F %.2F Td %s Tj ET', $x * $scaleFactor, ($height - $y) * $scaleFactor, $txt2);
if ($document->getUnderline() && $txt != '') {
$s .= ' ' . $this->_dounderline($x, $y, $txt);
}
if ($document->getColorFlag()) {
$s = 'q ' . $document->getTextColor() . ' ' . $s . ' Q';
}
$pdfOutput->out($s);
return $document;
}