vtkLabelHierarchyIterator.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkLabelHierarchyIterator.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 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#ifndef vtkLabelHierarchyIterator_h
#define vtkLabelHierarchyIterator_h
 
#include "vtkRenderingLabelModule.h" // For export macro
#include "vtkObject.h"
#include "vtkStdString.h" // for std string
#include "vtkUnicodeString.h" // for unicode string
 
class vtkIdTypeArray;
class vtkLabelHierarchy;
class vtkPolyData;
 
class VTKRENDERINGLABEL_EXPORT vtkLabelHierarchyIterator : public vtkObject
{
public:
  vtkTypeMacro(vtkLabelHierarchyIterator,vtkObject);
  virtual void PrintSelf( ostream& os, vtkIndent indent );
 
  virtual void Begin( vtkIdTypeArray* ) { }
 
  virtual void Next() { }
 
  virtual bool IsAtEnd() { return true; }
 
  virtual void GetPoint( double x[3] );
 
  virtual void GetSize( double sz[2] );
 
  virtual void GetBoundedSize( double sz[2] );
 
  virtual int GetType();
 
  virtual vtkStdString GetLabel();
 
  virtual vtkUnicodeString GetUnicodeLabel();
 
  virtual double GetOrientation();
 
  virtual vtkIdType GetLabelId() { return -1; }
 
 
  vtkGetObjectMacro(Hierarchy, vtkLabelHierarchy);
 
  virtual void SetTraversedBounds( vtkPolyData* );
 
  virtual void GetNodeGeometry( double ctr[3], double& size ) = 0;
 
  virtual void BoxNode();
 
  virtual void BoxAllNodes( vtkPolyData* );
 
 
  vtkSetMacro(AllBounds,int);
  vtkGetMacro(AllBounds,int);
 
protected:
  vtkLabelHierarchyIterator();
  virtual ~vtkLabelHierarchyIterator();
 
  void BoxNodeInternal3( const double* ctr, double sz );
  void BoxNodeInternal2( const double* ctr, double sz );
 
  virtual void SetHierarchy( vtkLabelHierarchy* h );
 
  vtkLabelHierarchy* Hierarchy;
  vtkPolyData* TraversedBounds;
  double BoundsFactor;
  int AllBounds;
  int AllBoundsRecorded;
 
private:
  vtkLabelHierarchyIterator( const vtkLabelHierarchyIterator& ); // Not implemented.
  void operator = ( const vtkLabelHierarchyIterator& ); // Not implemented.
};
 
#endif // vtkLabelHierarchyIterator_h