vtkDepthImageProcessingPass.h

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/*=========================================================================
 
   Program: ParaView
   Module:    vtkDepthImageProcessingPass.h
 
  Copyright (c) Sandia Corporation, Kitware Inc.
  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.
 
=========================================================================*/
/*----------------------------------------------------------------------
Acknowledgement:
This algorithm is the result of joint work by Electricité de France,
CNRS, Collège de France and Université J. Fourier as part of the
Ph.D. thesis of Christian BOUCHENY.
------------------------------------------------------------------------*/
#ifndef vtkDepthImageProcessingPass_h
#define vtkDepthImageProcessingPass_h
 
#include "vtkImageProcessingPass.h"
#include "vtkRenderingOpenGL2Module.h" // For export macro
 
class vtkOpenGLRenderWindow;
class vtkDepthPeelingPassLayerList; // Pimpl
class vtkOpenGLFramebufferObject;
class vtkTextureObject;
 
class VTKRENDERINGOPENGL2_EXPORT vtkDepthImageProcessingPass : public vtkImageProcessingPass
{
public:
  vtkTypeMacro(vtkDepthImageProcessingPass, vtkImageProcessingPass);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
protected:
  vtkDepthImageProcessingPass();
 
  ~vtkDepthImageProcessingPass() override;
 
  virtual void RenderDelegate(const vtkRenderState* s, int width, int height, int newWidth,
    int newHeight, vtkOpenGLFramebufferObject* fbo, vtkTextureObject* colortarget,
    vtkTextureObject* depthtarget);
 
  void ReadWindowSize(const vtkRenderState* s);
 
  int Origin[2];   // Viewport origin
  int Width;       // parent window width
  int Height;      // parent window height
  int W;           // this width
  int H;           // this height
  int ExtraPixels; // w(h) = width(height) + 2*extrapixels
 
private:
  vtkDepthImageProcessingPass(const vtkDepthImageProcessingPass&) = delete;
  void operator=(const vtkDepthImageProcessingPass&) = delete;
};
 
#endif