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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkOrientationAnnotation.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 vtkOrientationAnnotation  - text annotation in four corners
// .SECTION Description
// This is an annotation object that manages four text actors / mappers
// to provide annotation in the four corners of a viewport
//
// .SECTION See Also
// vtkActor2D vtkTextMapper

#ifndef __vtkOrientationAnnotation_h
#define __vtkOrientationAnnotation_h

#include "vtkCornerAnnotation.h"

class VTK_EXPORT vtkOrientationAnnotation : public vtkCornerAnnotation
{
public:
  vtkTypeRevisionMacro(vtkOrientationAnnotation,vtkCornerAnnotation);
  
  // Description:
  // Instantiate object with a rectangle in normaled view coordinates
  // of (0.2,0.85, 0.8, 0.95).
  static vtkOrientationAnnotation *New();

protected:
  vtkOrientationAnnotation();
  ~vtkOrientationAnnotation();

  // Description:
  // Set text actor positions given a viewport size and justification
  virtual void SetTextActorsPosition(int vsize[2]);
  virtual void SetTextActorsJustification();

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


#endif