comparison base/Layer.h @ 117:c30728d5625c sv1-v0.9rc1

* Make vertical scale alignment modes work in note layer as well as time-value
  layer, and several significant fixes to it
* Make it possible to draw notes properly on the note layer
* Show units (and frequencies etc in note layer's case) in the time-value and
  note layer description boxes
* Minor fix to item edit dialog layout
* Some minor menu rearrangement
* Comment out a lot of debug output
* Add SV website and reference URLs to Help menu, and add code to (attempt to)
  open them in the user's preferred browser

 
     virtual PlayParameters *getPlayParameters();
 
     virtual bool needsTextLabelHeight() const { return false; }
 
-    virtual bool getValueExtents(float &min, float &max, QString &unit) const = 0;
+    virtual bool getValueExtents(float &min, float &max,
+                                 bool &logarithmic, QString &unit) const = 0;
+
+    virtual bool getDisplayExtents(float &min, float &max) const {
+        return false;
+    }
 
 public slots:
     void showLayer(View *, bool show);
 
 signals: