vtkImageRGBToHSV.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkImageRGBToHSV.h,v $

  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 __vtkImageRGBToHSV_h
#define __vtkImageRGBToHSV_h


#include "vtkThreadedImageAlgorithm.h"

class VTK_IMAGING_EXPORT vtkImageRGBToHSV : public vtkThreadedImageAlgorithm
{
public:
  static vtkImageRGBToHSV *New();
  vtkTypeRevisionMacro(vtkImageRGBToHSV,vtkThreadedImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  // Hue is an angle. Maximum specifies when it maps back to 0.  HueMaximum
  // defaults to 255 instead of 2PI, because unsigned char is expected as
  // input.  Maximum also specifies the maximum of the Saturation.
  vtkSetMacro(Maximum,double);
  vtkGetMacro(Maximum,double);
  
protected:
  vtkImageRGBToHSV();
  ~vtkImageRGBToHSV() {};

  double Maximum;
  
  void ThreadedExecute (vtkImageData *inData, vtkImageData *outData,
                       int ext[6], int id);
private:
  vtkImageRGBToHSV(const vtkImageRGBToHSV&);  // Not implemented.
  void operator=(const vtkImageRGBToHSV&);  // Not implemented.
};

#endif

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