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

  Program:   Visualization Toolkit
  Module:    vtkImageMapToColors.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 vtkImageMapToColors_h
#define vtkImageMapToColors_h


#include "vtkImagingCoreModule.h" // For export macro
#include "vtkThreadedImageAlgorithm.h"

class vtkScalarsToColors;

class VTKIMAGINGCORE_EXPORT vtkImageMapToColors : public vtkThreadedImageAlgorithm
{
public:
  static vtkImageMapToColors *New();
  vtkTypeMacro(vtkImageMapToColors,vtkThreadedImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual void SetLookupTable(vtkScalarsToColors*);
  vtkGetObjectMacro(LookupTable,vtkScalarsToColors);


  vtkSetMacro(OutputFormat,int);
  vtkGetMacro(OutputFormat,int);
  void SetOutputFormatToRGBA() { this->OutputFormat = VTK_RGBA; };
  void SetOutputFormatToRGB() { this->OutputFormat = VTK_RGB; };
  void SetOutputFormatToLuminanceAlpha() { this->OutputFormat = VTK_LUMINANCE_ALPHA; };
  void SetOutputFormatToLuminance() { this->OutputFormat = VTK_LUMINANCE; };


  vtkSetMacro(ActiveComponent,int);
  vtkGetMacro(ActiveComponent,int);


  vtkSetMacro(PassAlphaToOutput,int);
  vtkBooleanMacro(PassAlphaToOutput,int);
  vtkGetMacro(PassAlphaToOutput,int);

  virtual unsigned long GetMTime();


  vtkSetVector4Macro(NaNColor, unsigned char);
  vtkGetVector4Macro(NaNColor, unsigned char);

protected:
  vtkImageMapToColors();
  ~vtkImageMapToColors();

  virtual int RequestInformation (vtkInformation *, vtkInformationVector **, vtkInformationVector *);

  void ThreadedRequestData(vtkInformation *request,
                           vtkInformationVector **inputVector,
                           vtkInformationVector *outputVector,
                           vtkImageData ***inData, vtkImageData **outData,
                           int extent[6], int id);

  virtual int RequestData(vtkInformation *request,
                          vtkInformationVector **inputVector,
                          vtkInformationVector *outputVector);

  vtkScalarsToColors *LookupTable;
  int OutputFormat;

  int ActiveComponent;
  int PassAlphaToOutput;

  int DataWasPassed;

  unsigned char NaNColor[4];
private:
  vtkImageMapToColors(const vtkImageMapToColors&);  // Not implemented.
  void operator=(const vtkImageMapToColors&);  // Not implemented.
};

#endif