/**
* Set color for text,
* overrides magic setter in document
*
* @param $r
* @param null $g
* @param null $b
* @return PdfDocument
*/
public function setTextColor($r, $g = null, $b = null)
{
if ($r == 0 && $g == 0 && $b == 0 || $g === null) {
$this->_pdfDocument->__set('TextColor', sprintf('%.3F g', $r / 255));
} else {
$this->_pdfDocument->__set('TextColor', sprintf('%.3F %.3F %.3F rg', $r / 255, $g / 255, $b / 255));
}
$this->_pdfDocument->setColorFlag($this->_pdfDocument->getFillColor() != $this->_pdfDocument->getTextColor());
return $this->_pdfDocument;
}
