vtkLabelHierarchyIterator.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright 2008 Sandia Corporation
// SPDX-License-Identifier: LicenseRef-BSD-3-Clause-Sandia-USGov
#ifndef vtkLabelHierarchyIterator_h
#define vtkLabelHierarchyIterator_h
 
#include "vtkObject.h"
#include "vtkRenderingLabelModule.h" // For export macro
#include "vtkStdString.h"            // for std string
 
VTK_ABI_NAMESPACE_BEGIN
class vtkIdTypeArray;
class vtkLabelHierarchy;
class vtkPolyData;
 
class VTKRENDERINGLABEL_EXPORT vtkLabelHierarchyIterator : public vtkObject
{
public:
  vtkTypeMacro(vtkLabelHierarchyIterator, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  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 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();
  ~vtkLabelHierarchyIterator() override;
 
  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&) = delete;
  void operator=(const vtkLabelHierarchyIterator&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif // vtkLabelHierarchyIterator_h