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/*=========================================================================
Program: Visualization Toolkit
Module: vtkCuller.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 vtkCuller - a superclass for prop cullers
// .SECTION Description
// A culler has a cull method called by the vtkRenderer. The cull
// method is called before any rendering is performed,
// and it allows the culler to do some processing on the props and
// to modify their AllocatedRenderTime and re-order them in the prop list.
// .SECTION see also
// vtkFrustumCoverageCuller
#ifndef vtkCuller_h
#define vtkCuller_h
#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkObject.h"
class vtkProp;
class vtkRenderer;
class VTKRENDERINGCORE_EXPORT vtkCuller : public vtkObject
{
public:
vtkTypeMacro(vtkCuller, vtkObject);
virtual void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// This is called outside the render loop by vtkRenderer
virtual double Cull( vtkRenderer *ren, vtkProp **propList,
int& listLength, int& initialized ) = 0;
protected:
vtkCuller();
~vtkCuller();
private:
vtkCuller(const vtkCuller&); // Not implemented.
void operator=(const vtkCuller&); // Not implemented.
};
#endif
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