class QgsMapLayerRenderer { %TypeHeaderCode #include %End public: QgsMapLayerRenderer( const QString& layerID ); virtual ~QgsMapLayerRenderer(); //! Do the rendering (based on data stored in the class) virtual bool render() = 0; //! Access to feedback object of the layer renderer (may be null) //! @note added in QGIS 3.0 virtual QgsFeedback* feedback() const; //! Return list of errors (problems) that happened during the rendering QStringList errors() const; //! Get access to the ID of the layer rendered by this class QString layerId() const; };