vtkUniformGridAMRDataIterator.h

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

  Program:   Visualization Toolkit
  Module:    vtkUniformGridAMRDataIterator.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.

=========================================================================*/
#ifndef vtkUniformGridAMRDataIterator_h
#define vtkUniformGridAMRDataIterator_h

#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkCompositeDataIterator.h"
#include "vtkSmartPointer.h" //for member variable Information

class vtkInformation;
class vtkAMRInformation;
class vtkAMRDataInternals;
class vtkUniformGridAMR;
class AMRIndexIterator;

class VTKCOMMONDATAMODEL_EXPORT vtkUniformGridAMRDataIterator :
  public vtkCompositeDataIterator
{
public:
  static vtkUniformGridAMRDataIterator* New();
  vtkTypeMacro(vtkUniformGridAMRDataIterator, vtkCompositeDataIterator);
  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;

  vtkInformation* GetCurrentMetaData() VTK_OVERRIDE;

  int HasCurrentMetaData() VTK_OVERRIDE { return 1;}

  vtkDataObject* GetCurrentDataObject() VTK_OVERRIDE;

  unsigned int GetCurrentFlatIndex() VTK_OVERRIDE;

  virtual unsigned int GetCurrentLevel();

  virtual unsigned int GetCurrentIndex();

  void GoToFirstItem() VTK_OVERRIDE;

  void GoToNextItem() VTK_OVERRIDE;

  int IsDoneWithTraversal() VTK_OVERRIDE;

protected:
  vtkUniformGridAMRDataIterator();
  ~vtkUniformGridAMRDataIterator() VTK_OVERRIDE;
  vtkSmartPointer<AMRIndexIterator> Iter;
private:
  vtkUniformGridAMRDataIterator(const vtkUniformGridAMRDataIterator&) VTK_DELETE_FUNCTION;
  void operator=(const vtkUniformGridAMRDataIterator&) VTK_DELETE_FUNCTION;

  vtkSmartPointer<vtkInformation> Information;
  vtkSmartPointer<vtkUniformGridAMR> AMR;
  vtkAMRInformation* AMRInfo;
  vtkAMRDataInternals* AMRData;

  void GetCurrentIndexPair(unsigned int& level, unsigned int& id);

};

#endif