vtkProjectedTetrahedraMapper.h

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

  Program:   Visualization Toolkit
  Module:    vtkProjectedTetrahedraMapper.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.

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

/*
 * Copyright 2003 Sandia Corporation.
 * Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
 * license for use of this work by or on behalf of the
 * U.S. Government. Redistribution and use in source and binary forms, with
 * or without modification, are permitted provided that this Notice and any
 * statement of authorship are reproduced on all copies.
 */

#ifndef __vtkProjectedTetrahedraMapper_h
#define __vtkProjectedTetrahedraMapper_h

#include "vtkRenderingVolumeModule.h" // For export macro
#include "vtkUnstructuredGridVolumeMapper.h"

class vtkFloatArray;
class vtkPoints;
class vtkUnsignedCharArray;
class vtkVisibilitySort;
class vtkVolumeProperty;

class VTKRENDERINGVOLUME_EXPORT vtkProjectedTetrahedraMapper : public vtkUnstructuredGridVolumeMapper
{
public:
  vtkTypeMacro(vtkProjectedTetrahedraMapper,
                       vtkUnstructuredGridVolumeMapper);
  static vtkProjectedTetrahedraMapper *New();
  virtual void PrintSelf(ostream &os, vtkIndent indent);

  virtual void SetVisibilitySort(vtkVisibilitySort *sort);
  vtkGetObjectMacro(VisibilitySort, vtkVisibilitySort);

  static void MapScalarsToColors(vtkDataArray *colors,
                                 vtkVolumeProperty *property,
                                 vtkDataArray *scalars);
  static void TransformPoints(vtkPoints *inPoints,
                              const float projection_mat[16],
                              const float modelview_mat[16],
                              vtkFloatArray *outPoints);

protected:
  vtkProjectedTetrahedraMapper();
  ~vtkProjectedTetrahedraMapper();

  vtkVisibilitySort *VisibilitySort;

  virtual void ReportReferences(vtkGarbageCollector *collector);

private:
  vtkProjectedTetrahedraMapper(const vtkProjectedTetrahedraMapper &);  // Not Implemented.
  void operator=(const vtkProjectedTetrahedraMapper &);  // Not Implemented.
};

#endif