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/*=========================================================================
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
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