text: /*=========================================================================
  
    Program:   Visualization Toolkit
    Module:    vtkOpenGLCamera.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.
  
  =========================================================================*/
  // .NAME vtkOpenGLCamera - OpenGL camera
  // .SECTION Description
  // vtkOpenGLCamera is a concrete implementation of the abstract class
  // vtkCamera.  vtkOpenGLCamera interfaces to the OpenGL rendering library.
  
  #ifndef __vtkOpenGLCamera_h
  #define __vtkOpenGLCamera_h
  
  #include "vtkRenderingOpenGLModule.h" // For export macro
  #include "vtkCamera.h"
  
  class vtkOpenGLRenderer;
  
  class VTKRENDERINGOPENGL_EXPORT vtkOpenGLCamera : public vtkCamera
  {
  public:
    static vtkOpenGLCamera *New();
    vtkTypeMacro(vtkOpenGLCamera,vtkCamera);
    virtual void PrintSelf(ostream& os, vtkIndent indent);
  
    // Description:
    // Implement base class method.
    void Render(vtkRenderer *ren);
  
    void UpdateViewport(vtkRenderer *ren);
  
  protected:
    vtkOpenGLCamera() {};
    ~vtkOpenGLCamera() {};
  private:
    vtkOpenGLCamera(const vtkOpenGLCamera&);  // Not implemented.
    void operator=(const vtkOpenGLCamera&);  // Not implemented.
  };
  
  #endif
  