mirror of
https://github.com/cookiengineer/audacity
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7d379cde13
... not per track, and the preferences or View Settings page has a separate static box for global settings as opposed to track settings. This is the only global setting for now.
141 lines
3.0 KiB
C++
141 lines
3.0 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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SpectrogramSettings.h
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Paul Licameli
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**********************************************************************/
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#ifndef __AUDACITY_SPECTROGRAM_SETTINGS__
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#define __AUDACITY_SPECTROGRAM_SETTINGS__
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#include "../Experimental.h"
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#undef SPECTRAL_SELECTION_GLOBAL_SWITCH
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struct FFTParam;
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class SpectrumPrefs;
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class wxArrayString;
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class SpectrogramSettings
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{
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friend class SpectrumPrefs;
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public:
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// Singleton for settings that are not per-track
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class Globals
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{
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public:
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static Globals &Get();
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void SavePrefs();
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#ifdef SPECTRAL_SELECTION_GLOBAL_SWITCH
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bool spectralSelection;
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#endif
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private:
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Globals();
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void LoadPrefs();
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};
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enum {
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LogMinWindowSize = 3,
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LogMaxWindowSize = 15,
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NumWindowSizes = LogMaxWindowSize - LogMinWindowSize + 1,
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};
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// Do not assume that this enumeration will remain the
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// same as NumberScaleType in future. That enum may become
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// more general purpose.
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enum ScaleType {
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stLinear,
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stLogarithmic,
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stNumScaleTypes,
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};
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static void InvalidateNames(); // in case of language change
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static const wxArrayString &GetScaleNames();
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static SpectrogramSettings &defaults();
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SpectrogramSettings();
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SpectrogramSettings(const SpectrogramSettings &other);
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SpectrogramSettings& operator= (const SpectrogramSettings &other);
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~SpectrogramSettings();
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bool IsDefault() const
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{
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return this == &defaults();
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}
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bool Validate(bool quiet);
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void LoadPrefs();
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void SavePrefs();
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void InvalidateCaches();
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void DestroyWindows();
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void CacheWindows() const;
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void ConvertToEnumeratedWindowSizes();
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void ConvertToActualWindowSizes();
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private:
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int minFreq;
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int maxFreq;
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int logMinFreq;
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int logMaxFreq;
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public:
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int GetMinFreq(double rate) const;
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int GetMaxFreq(double rate) const;
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int GetLogMinFreq(double rate) const;
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int GetLogMaxFreq(double rate) const;
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bool SpectralSelectionEnabled() const;
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void SetMinFreq(int freq);
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void SetMaxFreq(int freq);
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void SetLogMinFreq(int freq);
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void SetLogMaxFreq(int freq);
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public:
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int range;
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int gain;
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int frequencyGain;
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int windowType;
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int windowSize;
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#ifdef EXPERIMENTAL_ZERO_PADDED_SPECTROGRAMS
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int zeroPaddingFactor;
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#endif
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int GetFFTLength(bool autocorrelation) const; // window size (times zero padding, if STFT)
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bool isGrayscale;
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ScaleType scaleType;
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#ifndef SPECTRAL_SELECTION_GLOBAL_SWITCH
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bool spectralSelection; // But should this vary per track? -- PRL
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#endif
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#ifdef EXPERIMENTAL_FFT_Y_GRID
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bool fftYGrid;
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#endif //EXPERIMENTAL_FFT_Y_GRID
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#ifdef EXPERIMENTAL_FIND_NOTES
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bool fftFindNotes;
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bool findNotesMinA;
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bool numberOfMaxima;
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bool findNotesQuantize;
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#endif //EXPERIMENTAL_FIND_NOTES
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// Following fields are derived from preferences.
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#ifdef EXPERIMENTAL_USE_REALFFTF
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// Variables used for computing the spectrum
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mutable FFTParam *hFFT;
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mutable float *window;
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#endif
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};
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#endif
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