comparison layer/WaveformLayer.h @ 261:11021509c4eb

* some more work on measurement tool, and refactor Pane::paintEvent

     virtual int getCompletion(View *) const;
 
     virtual bool getValueExtents(float &min, float &max,
                                  bool &log, QString &unit) const;
 
+    virtual bool getYScaleValue(View *v, int y,
+                                float &value, QString &unit) const;
+
     virtual QString toXmlString(QString indent = "",
 				QString extraAttributes = "") const;
 
     void setProperties(const QXmlAttributes &attributes);
 

     size_t getChannelArrangement(size_t &min, size_t &max,
                                  bool &merging, bool &mixing) const;
 
     int getYForValue(View *v, Scale scale, float value, size_t channel,
                      size_t minChannel, size_t maxChannel) const;
+
+    float getValueForY(View *v, Scale scale, int y,
+                       size_t minChannel, size_t maxChannel) const;
 
     float        m_gain;
     bool         m_autoNormalize;
     QColor       m_colour;
     bool         m_showMeans;