BeatsFormat.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  BeatsFormat.h
 
  Michael Papadopoulos
 
**********************************************************************/
 
#ifndef __AUDACITY_BEATS_FORMAT__
#define __AUDACITY_BEATS_FORMAT__
 
#include "RulerFormat.h"
 
class ProjectTimeSignature;
 
class BeatsFormat final : public RulerFormat {
public:
   struct Tick final
   {
      int upper { 1 };
      int lower { 1 };
      // Duration is in seconds
      double duration {};
   };
 
   struct Ticks final
   {
      Tick major;
      Tick minor;
      Tick minorMinor;
   };
 
   using RulerFormat::RulerFormat;
   BeatsFormat(const ProjectTimeSignature& timeSignature);
   BeatsFormat() = delete;
 
   ~BeatsFormat() override;
 
   void SetTickSizes(
      double units, double& major, double& minor, double &minorMinor,
      int& mDigits
   ) const override;
 
   void SetLabelString(
      wxString& s, double d, double units, double minor, int mDigits, TickType tickType
   ) const override;
 
   void SetData(double bpm, int timeSigUpper, int timeSigLower);
 
   void UpdateSubdivision(double units);
 
   const Ticks& GetSubdivision() const;
 
private:
   double mBpm{ 60.0 };
   int mTimeSigUpper{ 4 };
   int mTimeSigLower{ 4 };
 
   Ticks mTicks;
};
 
#endif