vtkDirectionEncoder.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkDirectionEncoder.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 vtkDirectionEncoder_h
#define vtkDirectionEncoder_h
 
#include "vtkObject.h"
#include "vtkRenderingVolumeModule.h" // For export macro
 
class VTKRENDERINGVOLUME_EXPORT vtkDirectionEncoder : public vtkObject
{
public:
 
  vtkTypeMacro(vtkDirectionEncoder, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  virtual int GetEncodedDirection(float n[3]) = 0;
 
  virtual float* GetDecodedGradient(int value) VTK_SIZEHINT(3) = 0;
 
  virtual int GetNumberOfEncodedDirections(void) = 0;
 
  virtual float* GetDecodedGradientTable(void) = 0;
 
protected:
  vtkDirectionEncoder() = default;
  ~vtkDirectionEncoder() override = default;
 
private:
  vtkDirectionEncoder(const vtkDirectionEncoder&) = delete;
  void operator=(const vtkDirectionEncoder&) = delete;
};
 
#endif