/**
* Checks if the font is already registered or creates a new declaration.
*
* Checks if the given $fontFamily is already registered in $fontFaceDecls.
* If it is, it's generic font-name is returned. Otherwise a new font face
* declaration is created and the chosen font-name is returned.
*
* @param DOMElement $fontFaceDecls
* @param string $fontFamily
* @return string
*/
protected function registerFont(DOMElement $fontFaceDecls, $fontFamily)
{
$existingFonts = $fontFaceDecls->getElementsByTagnameNS(ezcDocumentOdt::NS_ODT_STYLE, 'font-face');
foreach ($existingFonts as $fontDecl) {
if ($fontDecl->getAttributeNS(ezcDocumentOdt::NS_ODT_STYLE, 'name') == $fontFamily) {
return $fontDecl->getAttributeNS(ezcDocumentOdt::NS_ODT_STYLE, 'name');
}
}
return $this->createNewFontDecl($fontFaceDecls, $fontFamily);
}