The class is used as a container of context for various read/write operations on other objects...
 
virtual void writeXml(QDomElement &elem, QDomDocument &doc, const QgsReadWriteContext &context) const =0
Writes the annotation state to a DOM element. 
 
Contains information about the context of a rendering operation. 
 
virtual QgsAnnotation * clone() const =0
Clones the annotation, returning a new copy of the annotation reflecting the annotation's current sta...