public function getMetricsFromSvg($svg, &$output)
{
$output = $output;
$svgXml = com_wiris_util_xml_WXmlUtils::parseXML($svg);
$width = $svgXml->firstElement()->get("width");
$height = $svgXml->firstElement()->get("height");
$baseline = $svgXml->firstElement()->get("wrs:baseline");
$r = null;
if ($output !== null) {
$output["width"] = "" . $width;
$output["height"] = "" . $height;
$output["baseline"] = "" . $baseline;
$r = "";
} else {
$r = "&cw=" . $width . "&ch=" . $height . "&cb=" . $baseline;
}
return $r;
}
static function importXml($elem, $model)
{
$n = null;
if ($elem->nodeType == Xml::$Element) {
$n = Xml::createElement($elem->getNodeName());
$keys = $elem->attributes();
while ($keys->hasNext()) {
$key = $keys->next();
$n->set($key, $elem->get($key));
unset($key);
}
$children = $elem->iterator();
while ($children->hasNext()) {
$n->addChild(com_wiris_util_xml_WXmlUtils::importXml($children->next(), $model));
}
} else {
if ($elem->nodeType == Xml::$Document) {
$n = com_wiris_util_xml_WXmlUtils::importXml($elem->firstElement(), $model);
} else {
if ($elem->nodeType == Xml::$CData) {
$n = Xml::createCData($elem->getNodeValue());
} else {
if ($elem->nodeType == Xml::$PCData) {
$n = Xml::createPCData($elem->getNodeValue());
} else {
throw new HException("Unsupported node type: " . Std::string($elem->nodeType));
}
}
}
}
return $n;
}