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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkSelectionLink.h,v $
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.
=========================================================================*/
// .NAME vtkSelectionLink - An algorithm for linking selections among objects
// .SECTION Description
// vtkSelectionLink is a simple source filter which outputs the selection
// object stored internally. Multiple objects may share
// the same selection link filter and connect it to an internal pipeline so
// that if one object changes the selection, it will be pulled into all
// the other objects when their pipelines update.
#ifndef __vtkSelectionLink_h
#define __vtkSelectionLink_h
#include "vtkSelectionAlgorithm.h"
class vtkInformation;
class vtkInformationVector;
class vtkSelection;
class VTK_GRAPHICS_EXPORT vtkSelectionLink : public vtkSelectionAlgorithm
{
public:
static vtkSelectionLink *New();
vtkTypeRevisionMacro(vtkSelectionLink, vtkSelectionAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// The selection to be shared.
vtkGetObjectMacro(Selection, vtkSelection);
void SetSelection(vtkSelection* selection);
protected:
vtkSelectionLink();
~vtkSelectionLink();
// Description:
// Shallow copy the internal selection to the output.
virtual int RequestData(
vtkInformation *info,
vtkInformationVector **inVector,
vtkInformationVector *outVector);
// Description:
// The shared selection.
vtkSelection* Selection;
private:
vtkSelectionLink(const vtkSelectionLink&); // Not implemented.
void operator=(const vtkSelectionLink&); // Not implemented.
};
#endif
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