dox/Rendering/OpenGL/vtkOpenGLProjectedPolyDataRayBounder.h

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

  Program:   Visualization Toolkit
  Module:    vtkOpenGLProjectedPolyDataRayBounder.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 __vtkOpenGLProjectedPolyDataRayBounder_h
#define __vtkOpenGLProjectedPolyDataRayBounder_h

#include "vtkRenderingOpenGLModule.h" // For export macro
#include "vtkProjectedPolyDataRayBounder.h"
#ifdef __APPLE__
# include <OpenGL/gl.h> //Needed for GLUint
#else
# include <GL/gl.h> //Needed for GLUint
#endif

class vtkWindow;

class VTKRENDERINGOPENGL_EXPORT vtkOpenGLProjectedPolyDataRayBounder : public vtkProjectedPolyDataRayBounder
{
public:
  vtkTypeMacro(vtkOpenGLProjectedPolyDataRayBounder, vtkProjectedPolyDataRayBounder);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkOpenGLProjectedPolyDataRayBounder *New();

  void ReleaseGraphicsResources(vtkWindow *);


protected:
  vtkOpenGLProjectedPolyDataRayBounder();
  ~vtkOpenGLProjectedPolyDataRayBounder();

  GLuint DisplayList;
  float *DepthRangeBuffer;

  void Build(vtkPolyData *pdata);

  float *Draw(vtkRenderer *ren, vtkMatrix4x4 *matrix);

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

#endif