zqb_abstr_trace.hpp

/* zqb_abstr_trace.hpp */
/* $Id: zqb_abstr_trace.hpp,v 1.11 2009/02/02 09:03:30 vlad Exp $ */
#ifndef __zqb_abstr_trace_hpp
#define __zqb_abstr_trace_hpp

#include <stdlib.h> /* just for NULL */


class ZqbAbstrTrace
{
public:/* data */

  int       m_nSamples; 
  int       m_iActual[2];   
  float     m_fDt;      
  float     m_fT0;      
public:/* methods */

  ZqbAbstrTrace (int samples,
         float dt = 1.0, float t0 = 0.0,
         const int actual[2] = NULL);

  ZqbAbstrTrace (const ZqbAbstrTrace& atr);

  virtual ~ZqbAbstrTrace ();


  ZqbAbstrTrace&    operator= (const ZqbAbstrTrace& atr);

  virtual void  assign (int samples,
            float dt = 1.0, float t0 = 0.0,
            const int actual[2] = NULL);

  virtual void  setAllActual ();

  virtual int   time2sample (float t) const;

  virtual float sample2time (int i) const;

  virtual float toTime (float fSampleIndex) const;

  virtual float fromTime (float fTime) const;

  virtual bool  operator== (const ZqbAbstrTrace& atr) const;

  bool      operator!= (const ZqbAbstrTrace& atr) const {
    return !operator==(atr);
  };


  virtual float sample (const float* trace, float t,
            int order = 1) const;

  void      getTimes (double t[2]) const {
    if(NULL != t) {
      t[0] = sample2time(0);
      t[1] = sample2time(m_nSamples-1);
    }
  }

private:

  float     interp1 (const float* trace, float t) const;

  float     interp2 (const float* trace, float t) const;

  float     interp3 (const float* trace, float t) const;

};


#endif /* zqb_abstr_trace.hpp */