comparison base/FFTCache.h @ 138:6332e41c1619

* Various experiments in spectrogram colour scaling, etc.  Nothing final
  here yet, but some promising developments.

     virtual void resize(size_t width, size_t height) = 0;
     virtual void reset() = 0; // zero-fill or 1-fill as appropriate without changing size
 	
     virtual float getMagnitudeAt(size_t x, size_t y) const = 0;
     virtual float getNormalizedMagnitudeAt(size_t x, size_t y) const = 0;
+    virtual float getMaximumMagnitudeAt(size_t x) const = 0;
     virtual float getPhaseAt(size_t x, size_t y) const = 0;
 
     virtual void getValuesAt(size_t x, size_t y, float &real, float &imaginary) const = 0;
 
     virtual bool haveSetColumnAt(size_t x) const = 0;

         return getNormalizedMagnitudeAt(x, y) * m_factor[x];
     }
     
     virtual float getNormalizedMagnitudeAt(size_t x, size_t y) const {
         return float(m_magnitude[x][y]) / 65535.0;
+    }
+    
+    virtual float getMaximumMagnitudeAt(size_t x) const {
+        return m_factor[x];
     }
     
     virtual float getPhaseAt(size_t x, size_t y) const {
         int16_t i = (int16_t)m_phase[x][y];
         return (float(i) / 32767.0) * M_PI;