add doxymentation

Author: jef-n

src/core/dxf/qgsdxfexport.h

@@ -290,7 +290,10 @@ class CORE_EXPORT QgsDxfExport
     //! return list of available DXF encodings
     static QStringList encodings();
 
+    //! output the label
     void drawLabel( QString layerId, QgsRenderContext& context, pal::LabelPosition* label, const QgsPalLayerSettings &settings );
+
+    //! register name of layer for feature
     void registerDxfLayer( QString layerId, QgsFeatureId fid, QString layer );
 
   private:

src/core/dxf/qgsdxfpallabeling.h

@@ -40,30 +40,49 @@ class QgsDxfLabelProvider : public QgsVectorLayerLabelProvider
     explicit QgsDxfLabelProvider( QgsVectorLayer* layer, QgsDxfExport* dxf, const QgsPalLayerSettings *settings );
 
     //! re-implementation that writes to DXF file instead of drawing with QPainter
+    // @param context render context
+    // @param label label
     void drawLabel( QgsRenderContext& context, pal::LabelPosition* label ) const override;
 
     //! registration method that keeps track of DXF layer names of individual features
+    // @param feature feature
+    // @param context render context
+    // @param dxfLayerName name of dxf layer
     void registerDxfFeature( QgsFeature& feature, QgsRenderContext &context, const QString& dxfLayerName );
 
   protected:
     //! pointer to parent DXF export where this instance is used
     QgsDxfExport* mDxfExport;
 };
 
+/** Implements a derived label provider for rule based labels internally used
+ * for DXF export
+ *
+ * Internal class, not in public API. Added in QGIS 2.15
+ * @note not available in Python bindings
+ */
 class QgsDxfRuleBasedLabelProvider : public QgsRuleBasedLabelProvider
 {
   public:
     //! construct the provider
     explicit QgsDxfRuleBasedLabelProvider( const QgsRuleBasedLabeling &rules, QgsVectorLayer* layer, QgsDxfExport* dxf );
 
+    //! reinitialize the subproviders with QgsDxfLabelProviders
+    //@param layer layer
     void reinit( QgsVectorLayer* layer );
 
     //! re-implementation that writes to DXF file instead of drawing with QPainter
+    // @param context render context
+    // @param label label
     void drawLabel( QgsRenderContext &context, pal::LabelPosition *label ) const override;
 
     //! registration method that keeps track of DXF layer names of individual features
+    // @param feature feature
+    // @param context render context
+    // @param dxfLayerName name of dxf layer
     void registerDxfFeature( QgsFeature& feature, QgsRenderContext &context, const QString& dxfLayerName );
 
+    //! create QgsDxfLabelProvider
     virtual QgsVectorLayerLabelProvider *createProvider( QgsVectorLayer *layer, bool withFeatureLoop, const QgsPalLayerSettings *settings ) override;
 
   protected:

src/core/symbology-ng/qgssymbollayerv2.h

@@ -235,17 +235,31 @@ class CORE_EXPORT QgsSymbolLayerV2
      */
     virtual QVariant evaluateDataDefinedProperty( const QString& property, const QgsSymbolV2RenderContext& context, const QVariant& defaultVal = QVariant(), bool *ok = nullptr ) const;
 
+    //! write as DXF
     virtual bool writeDxf( QgsDxfExport &e, double mmMapUnitScaleFactor, const QString &layerName, QgsSymbolV2RenderContext &context, QPointF shift = QPointF( 0.0, 0.0 ) ) const;
 
+    //! get line width
     virtual double dxfWidth( const QgsDxfExport& e, QgsSymbolV2RenderContext& context ) const;
+
+    //! get offset
     virtual double dxfOffset( const QgsDxfExport& e, QgsSymbolV2RenderContext& context ) const;
 
+    //! get color
     virtual QColor dxfColor( QgsSymbolV2RenderContext& context ) const;
+
+    //! get angle
     virtual double dxfAngle( QgsSymbolV2RenderContext& context ) const;
 
+    //! get dash pattern
     virtual QVector<qreal> dxfCustomDashPattern( QgsSymbolV2::OutputUnit& unit ) const;
+
+    //! get pen style
     virtual Qt::PenStyle dxfPenStyle() const;
+
+    //! get brush/fill color
     virtual QColor dxfBrushColor( QgsSymbolV2RenderContext& context ) const;
+
+    //! get brush/fill style
     virtual Qt::BrushStyle dxfBrushStyle() const;
 
     /** Returns the current paint effect for the layer.