vtkCellGridTransform.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkCellGridTransform_h
#define vtkCellGridTransform_h
 
#include "vtkCellGridAlgorithm.h"
#include "vtkFiltersCellGrid.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
class vtkAbstractTransform;
 
class VTKFILTERSCELLGRID_EXPORT vtkCellGridTransform : public vtkCellGridAlgorithm
{
public:

  static vtkCellGridTransform* New();
  vtkTypeMacro(vtkCellGridTransform, vtkCellGridAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  vtkMTimeType GetMTime() override;

  class Query : public vtkCellGridQuery
  {
  public:

    static Query* New();
    vtkTypeMacro(vtkCellGridTransform::Query, vtkCellGridQuery);
    void PrintSelf(ostream& os, vtkIndent indent) override;

    Query();
    ~Query() override;

    vtkMTimeType GetMTime() override;


    virtual void SetTransform(vtkAbstractTransform*);
    vtkGetObjectMacro(Transform, vtkAbstractTransform);


    virtual void SetCellAttribute(vtkCellAttribute*);
    vtkGetObjectMacro(CellAttribute, vtkCellAttribute);


    vtkSetMacro(OutputPointsPrecision, int);
    vtkGetMacro(OutputPointsPrecision, int);
 
    // bool Initialize() override;
    // bool Finalize() override;

    vtkDataArray* CreateNewDataArray(vtkDataArray* input) const;
 
  protected:
    vtkCellAttribute* CellAttribute{ nullptr };
    vtkAbstractTransform* Transform{ nullptr };
    int OutputPointsPrecision{ vtkAlgorithm::DesiredOutputPrecision::DEFAULT_PRECISION };
  };
 
  void SetTransform(vtkAbstractTransform* tfm);
  void SetCellAttribute(vtkCellAttribute* att);
 
protected:
  vtkCellGridTransform();
  ~vtkCellGridTransform() override;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  vtkNew<Query> Request;
 
private:
  vtkCellGridTransform(const vtkCellGridTransform&) = delete;
  void operator=(const vtkCellGridTransform&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif