dox/Filters/Core/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);


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

  void AddInputData(vtkSelection *);

  void RemoveInputData(vtkSelection *);

//BTX

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

  void SetNumberOfInputs(int num);

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


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

protected:
  vtkAppendSelection();
  ~vtkAppendSelection();

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

 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."); };

  int UserManagedInputs;
  int AppendByUnion;
private:
  vtkAppendSelection(const vtkAppendSelection&);  // Not implemented.
  void operator=(const vtkAppendSelection&);  // Not implemented.
};

#endif