vtkAppendSelection.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright (c) Sandia Corporation
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkAppendSelection_h
#define vtkAppendSelection_h

#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkSelectionAlgorithm.h"
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO

#include <memory> // For std::unique_ptr

VTK_ABI_NAMESPACE_BEGIN
class vtkSelection;

class VTKFILTERSCORE_EXPORT VTK_MARSHALAUTO vtkAppendSelection : public vtkSelectionAlgorithm
{
public:
  static vtkAppendSelection* New();

  vtkTypeMacro(vtkAppendSelection, vtkSelectionAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkSetStdStringFromCharMacro(Expression);
  vtkGetCharFromStdStringMacro(Expression);


  vtkSetMacro(Inverse, bool);
  vtkBooleanMacro(Inverse, bool);
  vtkGetMacro(Inverse, bool);


  void SetInputName(int index, const char* name);
  const char* GetInputName(int index) const;

  void RemoveAllInputNames();


  void SetInputColor(int index, double r, double g, double b);
  double* GetInputColor(int index) const;

  void RemoveAllInputColors();


  vtkSetMacro(UserManagedInputs, vtkTypeBool);
  vtkGetMacro(UserManagedInputs, vtkTypeBool);
  vtkBooleanMacro(UserManagedInputs, vtkTypeBool);

  void AddInputData(vtkSelection*);

  void RemoveInputData(vtkSelection*);


  vtkSelection* GetInput(int idx);
  vtkSelection* GetInput() { return this->GetInput(0); }

  void SetNumberOfInputs(int num);

  // Set Nth input, should only be used when UserManagedInputs is true.
  void SetInputConnectionByNumber(int num, vtkAlgorithmOutput* input);


  vtkSetMacro(AppendByUnion, vtkTypeBool);
  vtkGetMacro(AppendByUnion, vtkTypeBool);
  vtkBooleanMacro(AppendByUnion, vtkTypeBool);

  static const char* GetColorArrayName() { return "vtkSelectionColor"; }

protected:
  vtkAppendSelection();
  ~vtkAppendSelection() override;

  // Usual data generation method
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int FillInputPortInformation(int, vtkInformation*) override;

private:
  // hide the superclass' AddInput() from the user and the compiler
  void AddInputData(vtkDataObject*)
  {
    vtkErrorMacro(<< "AddInput() must be called with a vtkSelection not a vtkDataObject.");
  }

  void SetColorArray(vtkSelectionNode* node, double* color);

  vtkTypeBool UserManagedInputs;
  vtkTypeBool AppendByUnion;
  std::string Expression;
  bool Inverse;
  class vtkInternals;
  std::unique_ptr<vtkInternals> Internals;

  vtkAppendSelection(const vtkAppendSelection&) = delete;
  void operator=(const vtkAppendSelection&) = delete;
};

VTK_ABI_NAMESPACE_END
#endif