virtual void writeXml(QDomElement &elem, QDomDocument &doc, const QgsReadWriteContext &context) const =0
Writes the annotation state to a DOM element.
QWebPage subclass which redirects JavaScript errors and console output to the QGIS message log.
virtual QgsAnnotation * clone() const =0
Clones the annotation, returning a new copy of the annotation reflecting the annotation's current sta...