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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkPieceRequestFilter
* @brief Sets the piece request for upstream filters.
*
* Sends the piece and number of pieces to upstream filters; passes the input
* to the output unmodified.
*/
#ifndef vtkPieceRequestFilter_h
#define vtkPieceRequestFilter_h
#include "vtkAlgorithm.h"
#include "vtkFiltersParallelModule.h" // For export macro
VTK_ABI_NAMESPACE_BEGIN
class vtkDataObject;
class VTKFILTERSPARALLEL_EXPORT vtkPieceRequestFilter : public vtkAlgorithm
{
public:
static vtkPieceRequestFilter* New();
vtkTypeMacro(vtkPieceRequestFilter, vtkAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@{
/**
* The total number of pieces.
*/
vtkSetClampMacro(NumberOfPieces, int, 0, VTK_INT_MAX);
vtkGetMacro(NumberOfPieces, int);
///@}
///@{
/**
* The piece to extract.
*/
vtkSetClampMacro(Piece, int, 0, VTK_INT_MAX);
vtkGetMacro(Piece, int);
///@}
///@{
/**
* Get the output data object for a port on this algorithm.
*/
vtkDataObject* GetOutput();
vtkDataObject* GetOutput(int);
///@}
///@{
/**
* Set an input of this algorithm.
*/
void SetInputData(vtkDataObject*);
void SetInputData(int, vtkDataObject*);
///@}
/**
* see vtkAlgorithm for details
*/
vtkTypeBool ProcessRequest(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector) override;
protected:
vtkPieceRequestFilter();
~vtkPieceRequestFilter() override = default;
virtual int RequestDataObject(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
virtual int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
virtual int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
int FillOutputPortInformation(int port, vtkInformation* info) override;
int FillInputPortInformation(int port, vtkInformation* info) override;
int NumberOfPieces;
int Piece;
private:
vtkPieceRequestFilter(const vtkPieceRequestFilter&) = delete;
void operator=(const vtkPieceRequestFilter&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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