vtkFixedSizeHandleRepresentation3D.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkFixedSizeHandleRepresentation.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.

=========================================================================*/
#ifndef __vtkFixedSizeHandleRepresentation3D_h
#define __vtkFixedSizeHandleRepresentation3D_h

#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkPolygonalHandleRepresentation3D.h"

class vtkSphereSource;

class VTKINTERACTIONWIDGETS_EXPORT vtkFixedSizeHandleRepresentation3D : public vtkPolygonalHandleRepresentation3D
{
public:

  static vtkFixedSizeHandleRepresentation3D *New();


  vtkTypeMacro(vtkFixedSizeHandleRepresentation3D,
               vtkPolygonalHandleRepresentation3D);
  void PrintSelf(ostream& os, vtkIndent indent);


  vtkGetObjectMacro( SphereSource, vtkSphereSource );


  vtkSetMacro( HandleSizeInPixels, double );
  vtkGetMacro( HandleSizeInPixels, double );


  vtkSetMacro( HandleSizeToleranceInPixels, double );
  vtkGetMacro( HandleSizeToleranceInPixels, double );

protected:
  vtkFixedSizeHandleRepresentation3D();
  ~vtkFixedSizeHandleRepresentation3D();

  virtual void BuildRepresentation();

  void WorldToDisplay( double w[4], double d[4] );

  void DisplayToWorld( double d[4], double w[4] );

  vtkSphereSource *                           SphereSource;
  double                                      HandleSizeInPixels;
  double                                      HandleSizeToleranceInPixels;

private:
  vtkFixedSizeHandleRepresentation3D(const vtkFixedSizeHandleRepresentation3D&);  //Not implemented
  void operator=(const vtkFixedSizeHandleRepresentation3D&);  //Not implemented
};

#endif