WaveformScale.h

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/**********************************************************************
 
Audacity: A Digital Audio Editor
 
WaveformScale.h
 
Paul Licameli
 
**********************************************************************/
 
#ifndef __AUDACITY_WAVEFORM_SETTINGS__
#define __AUDACITY_WAVEFORM_SETTINGS__
 
#include "ClientData.h" // to inherit
#include "Prefs.h"
 
class wxRect;
 
class WaveChannel;
class WaveTrack;
 
class AUDACITY_DLL_API WaveformScale
   : public ClientData::Cloneable<>
{
public:
   static WaveformScale &Get(const WaveTrack &track);
 
   static WaveformScale &Get(const WaveChannel &channel);
 
   ~WaveformScale() override;
   PointerType Clone() const override;
 
   int ZeroLevelYCoordinate(wxRect rect) const;
 
   void GetDisplayBounds(float &min, float &max) const
   { min = mDisplayMin; max = mDisplayMax; }
 
   void SetDisplayBounds(float min, float max)
   { mDisplayMin = min; mDisplayMax = max; }
 
   float GetLastScaleType() const { return mLastScaleType; }
   void SetLastScaleType(int type) { mLastScaleType = type; }
 
   int GetLastDBRange() const { return mLastdBRange; }
   void SetLastDBRange(int range) { mLastdBRange = range; }
 
private:
   float mDisplayMin = -1.0f, mDisplayMax = 1.0f;
   int mLastScaleType = -1;
   int mLastdBRange = -1;
};
 
#endif