Move class SpectrogramSettings to its own file

src/prefs/SpectrumPrefs.h

@@ -28,6 +28,7 @@
 #include "../Experimental.h"
 
 #include "PrefsPanel.h"
+#include "SpectrogramSettings.h"
 
 class wxTextCtrl;
 struct FFTParam;
@@ -74,56 +75,6 @@ class SpectrumPrefs:public PrefsPanel
 #endif
 };
 
-
-class SpectrogramSettings
-{
-public:
-   static SpectrogramSettings &defaults();
-   SpectrogramSettings();
-   ~SpectrogramSettings();
-
-   void UpdatePrefs();
-   void DestroyWindows();
-   void CacheWindows() const;
-
-   int minFreq;
-   int maxFreq;
-
-   int logMinFreq;
-   int logMaxFreq;
-
-   int range;
-   int gain;
-   int frequencyGain;
-
-   int windowType;
-   int windowSize;
-#ifdef EXPERIMENTAL_ZERO_PADDED_SPECTROGRAMS
-   int zeroPaddingFactor;
-#endif
-
-   bool isGrayscale;
-
-#ifdef EXPERIMENTAL_FFT_Y_GRID
-   bool fftYGrid;
-#endif //EXPERIMENTAL_FFT_Y_GRID
-
-#ifdef EXPERIMENTAL_FIND_NOTES
-   bool fftFindNotes;
-   bool findNotesMinA;
-   bool numberOfMaxima;
-   bool findNotesQuantize;
-#endif //EXPERIMENTAL_FIND_NOTES
-
-   // Following fields are derived from preferences.
-
-#ifdef EXPERIMENTAL_USE_REALFFTF
-   // Variables used for computing the spectrum
-   mutable FFTParam      *hFFT;
-   mutable float         *window;
-#endif
-};
-
 class SpectrumPrefsFactory : public PrefsPanelFactory
 {
 public: