18 #ifndef QGSVECTOROVERLAY_H
19 #define QGSVECTOROVERLAY_H
44 virtual void createOverlayObjects(
const QgsRenderContext& renderContext ) = 0;
47 void removeOverlayObjects();
56 virtual QString typeName()
const = 0;
67 virtual bool readXML(
const QDomNode& overlayNode ) = 0;
70 virtual bool writeXML( QDomNode& layer_node, QDomDocument& doc )
const = 0;