comparison layer/SliceLayer.h @ 1383:86f319dd6ab9 spectrogramparam

Switch spectrum to antialiased drawing with considerable speedup for the dense areas; take horizontal scale height into account when rendering slice layer height

 
     virtual QString getFeatureDescription(LayerGeometryProvider *v, QPoint &) const;
 
     virtual int getVerticalScaleWidth(LayerGeometryProvider *v, bool, QPainter &) const;
     virtual void paintVerticalScale(LayerGeometryProvider *v, bool, QPainter &paint, QRect rect) const;
+
+    virtual int getHorizontalScaleHeight(LayerGeometryProvider *, QPainter &) const { return 0; }
 
     virtual ColourSignificance getLayerColourSignificance() const {
         return ColourAndBackgroundSignificant;
     }