/*-----------------------------------------------------------------
LOG
    GEM - Graphics Environment for Multimedia

    Base class for paths

    Copyright (c) 1997-1999 Mark Danks. mark@danks.org
    Copyright (c) Günther Geiger. geiger@epy.co.at
    Copyright (c) 2001-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
    For information on usage and redistribution, and for a DISCLAIMER OF ALL
    WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.

-----------------------------------------------------------------*/

#ifndef _INCLUDE__GEM_BASE_GEMPATHBASE_H_
#define _INCLUDE__GEM_BASE_GEMPATHBASE_H_

#include "Base/CPPExtern.h"
#include "RTE/Array.h"

/*-----------------------------------------------------------------
-------------------------------------------------------------------
CLASS
    GemPathBase


DESCRIPTION


-----------------------------------------------------------------*/
class GEM_EXTERN GemPathBase : public CPPExtern
{
  CPPEXTERN_HEADER(GemPathBase, CPPExtern);

public:

  //////////
  // Constructor
  GemPathBase(int argc, t_atom *argv);

protected:

  //////////
  // Destructor
  virtual ~GemPathBase();

  //////////
  // When an open is received
  virtual void    openMess(t_symbol* arrayname);

  //////////
  // When a float val is received
  virtual void    floatMess(t_float val);

  ///////////
  // do the actual interpolation
  virtual void lookupFunc(t_float x, t_float *ret, int numDimen, const gem::RTE::Array&array) = 0;

  //////////
  // The number of dimensions
  int             m_numDimens;

  //////////
  // The array
  t_symbol      *m_arrayname;
  bool           m_warnedNonExistent;

  gem::RTE::Array m_array;

  //////////
  // The outlet
  t_outlet        *m_out1;
};

#endif  // for header file
