/*========================================================================= Program: Visualization Toolkit Module: vtkBridgeCellIteratorOnCellBoundaries.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. =========================================================================*/ // .NAME vtkBridgeCellIteratorOnCellBoundaries - Iterate over boundary cells of // a cell. // // .SECTION See Also // vtkBridgeCellIterator, vtkBridgeDataSet, vtkBridgeCellIteratorStrategy #ifndef __vtkBridgeCellIteratorOnCellBoundaries_h #define __vtkBridgeCellIteratorOnCellBoundaries_h #include "vtkBridgeCellIteratorStrategy.h" 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); // Description: // Move iterator to first position if any (loop initialization). void Begin(); // Description: // Is there no cell at iterator position? (exit condition). int IsAtEnd(); // Description: // Cell at current position // \pre not_at_end: !IsAtEnd() // \pre c_exists: c!=0 // THREAD SAFE void GetCell(vtkGenericAdaptorCell *c); // Description: // Cell at current position. // NOT THREAD SAFE // \pre not_at_end: !IsAtEnd() // \post result_exits: result!=0 vtkGenericAdaptorCell *GetCell(); // Description: // Move iterator to next position. (loop progression). // \pre not_at_end: !IsAtEnd() void Next(); // Description: // 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(); virtual ~vtkBridgeCellIteratorOnCellBoundaries(); int Dim; // Dimension of cells over which to iterate (-1 to 3) vtkBridgeCell *DataSetCell; // the structure on which the objet iterates. vtkIdType Id; // the id at current position. vtkBridgeCell *Cell; // cell at current position. vtkIdType NumberOfFaces; vtkIdType NumberOfEdges; vtkIdType NumberOfVertices; private: vtkBridgeCellIteratorOnCellBoundaries(const vtkBridgeCellIteratorOnCellBoundaries&); // Not implemented void operator=(const vtkBridgeCellIteratorOnCellBoundaries&); // Not implemented }; #endif