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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkBridgeCellIteratorOnCellBoundaries
* @brief Iterate over boundary cells of
* a cell.
*
* @sa
* vtkBridgeCellIterator, vtkBridgeDataSet, vtkBridgeCellIteratorStrategy
*/
#ifndef vtkBridgeCellIteratorOnCellBoundaries_h
#define vtkBridgeCellIteratorOnCellBoundaries_h
#include "vtkBridgeCellIteratorStrategy.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkBridgeCell;
class vtkBridgeDataSet;
class vtkBridgeCell;
class vtkIdList;
class VTKTESTINGGENERICBRIDGE_EXPORT vtkBridgeCellIteratorOnCellBoundaries
: public vtkBridgeCellIteratorStrategy
{
public:
static vtkBridgeCellIteratorOnCellBoundaries* New();
vtkTypeMacro(vtkBridgeCellIteratorOnCellBoundaries, vtkBridgeCellIteratorStrategy);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Move iterator to first position if any (loop initialization).
*/
void Begin() override;
/**
* Is there no cell at iterator position? (exit condition).
*/
vtkTypeBool IsAtEnd() override;
/**
* Cell at current position
* \pre not_at_end: !IsAtEnd()
* \pre c_exists: c!=0
* THREAD SAFE
*/
void GetCell(vtkGenericAdaptorCell* c) override;
/**
* Cell at current position.
* NOT THREAD SAFE
* \pre not_at_end: !IsAtEnd()
* \post result_exits: result!=0
*/
vtkGenericAdaptorCell* GetCell() override;
/**
* Move iterator to next position. (loop progression).
* \pre not_at_end: !IsAtEnd()
*/
void Next() override;
/**
* Used internally by vtkBridgeCell.
* Iterate on boundary cells of a cell.
* \pre cell_exists: cell!=0
* \pre valid_dim_range: (dim==-1) || ((dim>=0)&&(dim<cell->GetDimension()))
*/
void InitWithCellBoundaries(vtkBridgeCell* cell, int dim);
protected:
vtkBridgeCellIteratorOnCellBoundaries();
~vtkBridgeCellIteratorOnCellBoundaries() override;
int Dim; // Dimension of cells over which to iterate (-1 to 3)
vtkBridgeCell* DataSetCell; // the structure on which the object iterates.
vtkIdType Id; // the id at current position.
vtkBridgeCell* Cell; // cell at current position.
vtkIdType NumberOfFaces;
vtkIdType NumberOfEdges;
vtkIdType NumberOfVertices;
private:
vtkBridgeCellIteratorOnCellBoundaries(const vtkBridgeCellIteratorOnCellBoundaries&) = delete;
void operator=(const vtkBridgeCellIteratorOnCellBoundaries&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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