vtkCompositeDataIterator.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkCompositeDataIterator.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 vtkCompositeDataIterator_h
#define vtkCompositeDataIterator_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"
 
class vtkCompositeDataSet;
class vtkCompositeDataSetInternals;
class vtkCompositeDataSetIndex;
class vtkDataObject;
class vtkInformation;
 
class VTKCOMMONDATAMODEL_EXPORT vtkCompositeDataIterator : public vtkObject
{
public:
  vtkTypeMacro(vtkCompositeDataIterator, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
 
 
  virtual void SetDataSet(vtkCompositeDataSet* ds);
  vtkGetObjectMacro(DataSet, vtkCompositeDataSet);
 
  virtual void InitTraversal();
 
  virtual void InitReverseTraversal();
 
  virtual void GoToFirstItem() = 0;
 
  virtual void GoToNextItem() =0;
 
  virtual int IsDoneWithTraversal() =0;
 
  virtual vtkDataObject* GetCurrentDataObject() = 0;
 
  virtual vtkInformation* GetCurrentMetaData() =0;
 
  virtual int HasCurrentMetaData() =0;
 
 
  vtkSetMacro(SkipEmptyNodes, int);
  vtkGetMacro(SkipEmptyNodes, int);
  vtkBooleanMacro(SkipEmptyNodes, int);
 
  virtual unsigned int GetCurrentFlatIndex()=0;
 
 
  vtkGetMacro(Reverse, int);
 
//BTX
protected:
  vtkCompositeDataIterator();
  virtual ~vtkCompositeDataIterator();
  int SkipEmptyNodes;
  int Reverse;
  vtkCompositeDataSet* DataSet;
 
private:
  vtkCompositeDataIterator(const vtkCompositeDataIterator&); // Not implemented.
  void operator=(const vtkCompositeDataIterator&); // Not implemented.
//ETX
};
 
#endif