vtkInteractorStyleTrackballCamera.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkInteractorStyleTrackballCamera.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.

=========================================================================*/
#ifndef __vtkInteractorStyleTrackballCamera_h
#define __vtkInteractorStyleTrackballCamera_h

#include "vtkInteractorStyle.h"

class VTK_RENDERING_EXPORT vtkInteractorStyleTrackballCamera : public vtkInteractorStyle
{
public:
  static vtkInteractorStyleTrackballCamera *New();
  vtkTypeRevisionMacro(vtkInteractorStyleTrackballCamera,vtkInteractorStyle);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual void OnMouseMove();
  virtual void OnLeftButtonDown();
  virtual void OnLeftButtonUp();
  virtual void OnMiddleButtonDown();
  virtual void OnMiddleButtonUp();
  virtual void OnRightButtonDown();
  virtual void OnRightButtonUp();
  virtual void OnMouseWheelForward();
  virtual void OnMouseWheelBackward();

  // These methods for the different interactions in different modes
  // are overridden in subclasses to perform the correct motion. Since
  // they are called by OnTimer, they do not have mouse coord parameters
  // (use interactor's GetEventPosition and GetLastEventPosition)
  virtual void Rotate();
  virtual void Spin();
  virtual void Pan();
  virtual void Dolly();
  
protected:
  vtkInteractorStyleTrackballCamera();
  ~vtkInteractorStyleTrackballCamera();

  double MotionFactor;

  virtual void Dolly(double factor);

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

#endif

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