54    QSet<QString> usedAttributes( const 
QgsRenderContext &context ) const override;
 
   55    bool hasDataDefinedProperties() const override;
 
   57    QVariantMap properties() const override;
 
   59    QString layerType() const override;
 
   64    bool usesMapUnits() const override;
 
   65    void setOutputUnit( 
Qgis::RenderUnit unit ) override;
 
   66    QColor color() const override;
 
   95    std::unique_ptr<QgsMarkerSymbol> mSymbol;
 
   98    QList<QgsSymbolLayerReference> mMaskedSymbolLayers;
 
  100    std::unique_ptr<QgsPaintEffect> mEffect;
 
 
Contains information about the context of a rendering operation.