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

  Program:   Visualization Toolkit
  Module:    vtkCameraPass.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 vtkCameraPass_h
#define vtkCameraPass_h

#include "vtkRenderingOpenGLModule.h" // For export macro
#include "vtkRenderPass.h"

class VTKRENDERINGOPENGL_EXPORT vtkCameraPass : public vtkRenderPass
{
public:
  static vtkCameraPass *New();
  vtkTypeMacro(vtkCameraPass,vtkRenderPass);
  void PrintSelf(ostream& os, vtkIndent indent);

  //BTX

  virtual void Render(const vtkRenderState *s);
  //ETX

  void ReleaseGraphicsResources(vtkWindow *w);


  vtkGetObjectMacro(DelegatePass,vtkRenderPass);
  virtual void SetDelegatePass(vtkRenderPass *delegatePass);


  vtkSetMacro(AspectRatioOverride, double);
  vtkGetMacro(AspectRatioOverride, double);
 protected:

  vtkCameraPass();


  virtual ~vtkCameraPass();
  virtual void GetTiledSizeAndOrigin(
    const vtkRenderState* render_state,
    int* width, int* height, int *originX,
    int* originY);

  vtkRenderPass *DelegatePass;

  double AspectRatioOverride;
 private:
  vtkCameraPass(const vtkCameraPass&);  // Not implemented.
  void operator=(const vtkCameraPass&);  // Not implemented.
};

#endif