comparison layer/SpectrogramLayer.h @ 40:3be4438b186d

* More fixes, tidying etc in spectrogram layer.  Added a piano keyboard
  for the log frequency scale mode.

 
     void setNormalizeColumns(bool n);
     bool getNormalizeColumns() const;
 
     enum ColourScheme { DefaultColours, WhiteOnBlack, BlackOnWhite,
-			RedOnBlue, YellowOnBlack, RedOnBlack };
+			RedOnBlue, YellowOnBlack, Rainbow };
 
     void setColourScheme(ColourScheme scheme);
     ColourScheme getColourScheme() const;
 
     /**

 				    float previousPhase,
 				    float currentPhase,
 				    bool &steadyState);
 
     unsigned char getDisplayValue(float input) const;
+    float getInputForDisplayValue(unsigned char uc) const;
+
+    int getColourScaleWidth(QPainter &) const;
+
+    float getEffectiveMinFrequency() const;
+    float getEffectiveMaxFrequency() const;
 
     bool getYBinRange(int y, float &freqBinMin, float &freqBinMax) const;
 
     struct LayerRange {
 	long   startFrame;