//
// Programmer:    Craig Stuart Sapp <craig@ccrma.stanford.edu>
// Creation Date: Mon May  5 22:55:50 GMT-0800 1997
// Last Modified: Mon May  5 22:55:53 GMT-0800 1997
// Last Modified: Wed Oct 16 20:54:56 PDT 2002 (added soundfile input)
// Filename:      ...sig/maint/code/Filter/WaveTable/WaveTable.h
// Web Address:   http://sig.sapp.org/include/sigSignal/WaveTable.h
// Documentation: http://sig.sapp.org/doc/classes/WaveTable
// Syntax:        C++ 
//

#ifndef _WAVETABLE_H_INCLUDED
#define _WAVETABLE_H_INCLUDED


#include "Filter.h"
#include "Array.h"
#include "SigCollection.h"


class Partial {
   public:
      float partial;
      float amplitude;
      float phase;
};


class WaveTable : public Filter {
   public:
                         WaveTable        (int size = 1024);
                        ~WaveTable        ();
      void               action           (void);
      int                getRepeat        (void);
      void               normalize        (sampleType maxAmp);
      sampleType         output           (int index);
      void               reverse          (void);
      void               forward          (void);
      void               setSize          (long aSize);
      void               setTable         (sampleType *anArray, int aSize);
      void               setTable         (Array<sampleType> anArray);
      void               setTableFromFile (char* filename);
      void               setTableHarmonics(char* harmonicString);
      void               setTableHarmonics(SigCollection<Partial> partialArray);
      void               setConstantInterp(void);
      void               setLinearInterp  (void);
      void               setTableRamp     (long tableSize = NONE);
      void               setTableSinewave (long tableSize = NONE);
      void               setTableSquare   (long tableSize = NONE);
      void               setTableTriangle (long tableSize = NONE);
      void               shift            (long shiftAmount);

   protected:
      sampleType         outputValue;
      double             index;
      Array<sampleType>  waveTable;
      double             magicNumber;
      double             increment;
      int                interp;       // interpolation type
      int                repeat;       // number of repetitions done
};



#endif  /* _WAVETABLE_H_INCLUDED */



// md5sum: 700c22d28b3b27fdd3ffe9168b83cfd9 Wavetable.h [20050403]