/*========================================================================= Program: Visualization Toolkit Module: vtkBridgePointIterator.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 vtkBridgePointIterator - Implementation of vtkGenericPointIterator. // .SECTION Description // It is just an example that show how to implement the Generic API. It is also // used for testing and evaluating the Generic framework. // .SECTION See Also // vtkGenericPointIterator, vtkBridgeDataSet #ifndef __vtkBridgePointIterator_h #define __vtkBridgePointIterator_h #include "vtkBridgeExport.h" //for module export macro #include "vtkGenericPointIterator.h" class vtkBridgeDataSet; class vtkBridgeCell; class vtkBridgePointIteratorOnDataSet; class vtkBridgePointIteratorOne; class vtkBridgePointIteratorOnCell; class VTKTESTINGGENERICBRIDGE_EXPORT vtkBridgePointIterator : public vtkGenericPointIterator { public: static vtkBridgePointIterator *New(); vtkTypeMacro(vtkBridgePointIterator,vtkGenericPointIterator); void PrintSelf(ostream& os, vtkIndent indent); // Description: // Move iterator to first position if any (loop initialization). void Begin(); // Description: // Is there no point at iterator position? (exit condition). int IsAtEnd(); // Description: // Move iterator to next position. (loop progression). // \pre not_off: !IsAtEnd() void Next(); // Description: // Point at iterator position. // \pre not_off: !IsAtEnd() // \post result_exists: result!=0 double *GetPosition(); // Description: // Point at iterator position. // \pre not_off: !IsAtEnd() // \pre x_exists: x!=0 void GetPosition(double x[3]); // Description: // Unique identifier for the point, could be non-contiguous // \pre not_off: !IsAtEnd() vtkIdType GetId(); // Description: // Used internally by vtkBridgeDataSet. // Iterate over points of `ds'. // \pre ds_exists: ds!=0 void InitWithDataSet(vtkBridgeDataSet *ds); // Description: // Used internally by vtkBridgeDataSet. // Iterate over one point of identifier `id' on dataset `ds'. // \pre ds_can_be_null: ds!=0 || ds==0 // \pre valid_id: vtkImplies(ds!=0,(id>=0)&&(id<=ds->GetNumberOfCells())) void InitWithOnePoint(vtkBridgeDataSet *ds, vtkIdType id); // Description: // The iterator will iterate over the point of a cell // \pre cell_exists: cell!=0 void InitWithCell(vtkBridgeCell *cell); protected: // Description: // Default constructor. vtkBridgePointIterator(); // Description: // Destructor. virtual ~vtkBridgePointIterator(); vtkGenericPointIterator *CurrentIterator; vtkBridgePointIteratorOnDataSet *IteratorOnDataSet; vtkBridgePointIteratorOne *IteratorOne; vtkBridgePointIteratorOnCell *IteratorOnCell; private: vtkBridgePointIterator(const vtkBridgePointIterator&); // Not implemented void operator=(const vtkBridgePointIterator&); // Not implemented }; #endif