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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkBridgePointIteratorOne
* @brief Iterate over one point of a dataset.
* @sa
* vtkGenericPointIterator, vtkBridgeDataSet
*/
#ifndef vtkBridgePointIteratorOne_h
#define vtkBridgePointIteratorOne_h
#include "vtkBridgeExport.h" //for module export macro
#include "vtkGenericPointIterator.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkBridgeDataSet;
class VTKTESTINGGENERICBRIDGE_EXPORT vtkBridgePointIteratorOne : public vtkGenericPointIterator
{
public:
static vtkBridgePointIteratorOne* New();
vtkTypeMacro(vtkBridgePointIteratorOne, vtkGenericPointIterator);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Move iterator to first position if any (loop initialization).
*/
void Begin() override;
/**
* Is there no point at iterator position? (exit condition).
*/
vtkTypeBool IsAtEnd() override;
/**
* Move iterator to next position. (loop progression).
* \pre not_off: !IsAtEnd()
*/
void Next() override;
/**
* Point at iterator position.
* \pre not_off: !IsAtEnd()
* \post result_exists: result!=0
*/
double* GetPosition() override;
/**
* Point at iterator position.
* \pre not_off: !IsAtEnd()
* \pre x_exists: x!=0
*/
void GetPosition(double x[3]) override;
/**
* Unique identifier for the point, could be non-contiguous
* \pre not_off: !IsAtEnd()
*/
vtkIdType GetId() override;
/**
* 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);
protected:
/**
* Default constructor.
*/
vtkBridgePointIteratorOne();
/**
* Destructor.
*/
~vtkBridgePointIteratorOne() override;
vtkBridgeDataSet* DataSet; // the structure on which the object iterates.
vtkIdType Id; // the id at current position.
int cIsAtEnd;
private:
vtkBridgePointIteratorOne(const vtkBridgePointIteratorOne&) = delete;
void operator=(const vtkBridgePointIteratorOne&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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