deserialize method
Deserializes the FML template elements, attributes and children
Implementation
@override
void deserialize(XmlElement xml)
{
// deserialize
super.deserialize(xml);
// properties
icon = Xml.get(node: xml, tag: 'icon');
size = Xml.get(node: xml, tag: 'size');
opacity = Xml.get(node: xml, tag: 'opacity');
rotation = Xml.get(node: xml, tag: 'rotation');
}