protected function addAttributesToRender($writer)
{
$writer->addAttribute('src', $this->getImageUrl());
$writer->addAttribute('alt', $this->getAlternateText());
if (($desc = $this->getDescriptionUrl()) !== '') {
$writer->addAttribute('longdesc', $desc);
}
if (($align = $this->getImageAlign()) !== '') {
$writer->addAttribute('align', $align);
}
parent::addAttributesToRender($writer);
}