comparison layer/NoteLayer.h @ 607:5b72899d692b

Give a dedicated key to toggling the centre line, and move it out of the overlay level setting -- reducing number of overlay levels to 3. Introduce two distinct vertical scale types (so that we can hide the spectrogram colour scale part easily)

     virtual int getVerticalZoomSteps(int &defaultStep) const;
     virtual int getCurrentVerticalZoomStep() const;
     virtual void setVerticalZoomStep(int);
     virtual RangeMapper *getNewVerticalZoomRangeMapper() const;
 
+    virtual int getVerticalScaleWidth(View *, bool, QPainter &) const { return 0; }
+
     /**
      * Add a note-on.  Used when recording MIDI "live".  The note will
      * not be finally added to the layer until the corresponding
      * note-off.
      */