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qwavwavedatainterface.h

/***************************************************************************
                          wavedata.h  -  description
                             -------------------
    begin                : Mon Nov 18 2002
    copyright            : (C) 2002 by Peter Eschler
    email                : eschler@users.sourceforge.net
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Library General Public License as       *
 *   published by  the Free Software Foundation; either version 2 of the   *
 *   License, or (at your option) any later version.                       *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QwavWAVEDATAINTERFACE_H
#define QwavWAVEDATAINTERFACE_H

//---------------------------------------------------------------------------
// Includes: standard
//---------------------------------------------------------------------------

#include <string>

//---------------------------------------------------------------------------
// Includes: project
//---------------------------------------------------------------------------

#include "qwavdefines.h"
#include "qwavexceptions.h"
#include "qwavpeakvector.h"
#include "qwavmarkerinterface.h"

using namespace std;

Qwav_BEGIN_NAMESPACE

class QwavPeakInterpolationStragegy;

//---------------------------------------------------------------------------
// Class: QwavWaveDataInterface
//---------------------------------------------------------------------------

class QWAV_EXPORTIMPORT QwavWaveDataInterface : public QwavMarkerInterface
{
public:      
    virtual float       sampleRate  (void)                  const = 0;

    virtual long        nrOfSamples (void)                  const = 0;

    virtual uint        nrOfChannels(void)                  const = 0;

    virtual bool readFile (const string& filename) 
      throw(FileOpenError,FileReadError) = 0;
    
    virtual bool writeFile(const string& filename)
      throw(FileOpenError,FileReadError) = 0;      
      

    virtual QwavPeakInfo           getPeak(QwavPeakInterpolator* s,
                                       int   pixel,
                                       int   nPixels,
                                       Float zoomFac=1.0,
                                       uint  channel=1) const =0;

    virtual const Float& operator[] (uint index) const = 0;

    virtual bool isOpen() const = 0;
    
protected:
//    QwavWaveDataInterface() : QwavMarkerInterface() {};
//    virtual ~WaveDataInterface() {};  

private:
     
};

Qwav_END_NAMESPACE


#endif // QwavWAVEDATAINTERFACE_H

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