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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkMatlabEngineFilter.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2009 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/

#ifndef vtkMatlabEngineFilter_h
#define vtkMatlabEngineFilter_h

#include "vtkFiltersMatlabModule.h"
#include "vtkDataObjectAlgorithm.h"

class vtkMatlabEngineInterface;
class vtkMatlabEngineFilterInternals;
class vtkDataSet;
class vtkDoubleArray;

class VTKFILTERSMATLAB_EXPORT vtkMatlabEngineFilter : public vtkDataObjectAlgorithm
{

public:

  static vtkMatlabEngineFilter *New();

  vtkTypeMacro(vtkMatlabEngineFilter, vtkDataObjectAlgorithm );
  void PrintSelf(ostream& os, vtkIndent indent);

  void PutArray(const char* NameOfVTKArray, const char* NameOfMatVar);

  void GetArray(const char* NameOfVTKArray, const char* NameOfMatVar);

  void RemoveAllPutVariables();

  void RemoveAllGetVariables();


  vtkSetStringMacro(MatlabScript);
  vtkGetStringMacro(MatlabScript);


  vtkSetStringMacro(ScriptFname);
  vtkGetStringMacro(ScriptFname);


  vtkSetMacro(EngineVisible,int);
  vtkGetMacro(EngineVisible,int);


  vtkSetMacro(EngineOutput,int);
  vtkGetMacro(EngineOutput,int);


  vtkSetMacro(TimeOutput,int);
  vtkGetMacro(TimeOutput,int);


  vtkSetMacro(BlockInfoOutput,int);
  vtkGetMacro(BlockInfoOutput,int);


  virtual int ProcessRequest(vtkInformation* request,
                             vtkInformationVector** inputVector,
                             vtkInformationVector* outputVector);

protected:

  int SetMatlabScriptFromFile(const char* fname);

  virtual int RequestData(vtkInformation *vtkNotUsed(request),
                          vtkInformationVector **inputVector,
                          vtkInformationVector *outputVector);


  virtual int RequestDataObject(vtkInformation* request,
                                vtkInformationVector** inputVector,
                                vtkInformationVector* outputVector);

  vtkMatlabEngineFilter();
  ~vtkMatlabEngineFilter();

private:

  vtkMatlabEngineFilter(const vtkMatlabEngineFilter&);  // Not implemented.
  void operator=(const vtkMatlabEngineFilter&);  // Not implemented.

  // Implementation details
  vtkMatlabEngineFilterInternals* mefi;

  int ProcessDataSet(vtkDataSet* dsinp, vtkDataSet* dsout);

  vtkMatlabEngineInterface* mengi;
  char* MatlabScript;
  char* MatlabFileScript;
  char* ScriptFname;
  int EngineVisible;
  int EngineOutput;
  int TimeOutput;
  int BlockInfoOutput;
  char* OutputBuffer;
  vtkDoubleArray* CurrentTime;
  vtkDoubleArray* TimeRange;
  vtkDoubleArray* TimeSteps;
  vtkDoubleArray* BlockId;
  vtkDoubleArray* NumBlocks;

};

#endif