vtkAppendSelection.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkAppendSelection.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.
 
=========================================================================*/
/*----------------------------------------------------------------------------
 Copyright (c) Sandia Corporation
 See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
#ifndef vtkAppendSelection_h
#define vtkAppendSelection_h
 
#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkSelectionAlgorithm.h"
 
class vtkSelection;
 
class VTKFILTERSCORE_EXPORT vtkAppendSelection : public vtkSelectionAlgorithm
{
public:
  static vtkAppendSelection* New();
 
  vtkTypeMacro(vtkAppendSelection, vtkSelectionAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  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);
 
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.");
  }
 
  vtkTypeBool UserManagedInputs;
  vtkTypeBool AppendByUnion;
 
private:
  vtkAppendSelection(const vtkAppendSelection&) = delete;
  void operator=(const vtkAppendSelection&) = delete;
};
 
#endif