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

  Program:   Visualization Toolkit
  Module:    vtkImageMask.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 vtkImageMask_h
#define vtkImageMask_h


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

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


  void SetMaskedOutputValue(int num, double *v);
  void SetMaskedOutputValue(double v) {this->SetMaskedOutputValue(1, &v);}
  void SetMaskedOutputValue(double v1, double v2)
    {double v[2]; v[0]=v1; v[1]=v2; this->SetMaskedOutputValue(2, v);}
  void SetMaskedOutputValue(double v1, double v2, double v3)
    {double v[3]; v[0]=v1; v[1]=v2; v[2]=v3; this->SetMaskedOutputValue(3, v);}
  double *GetMaskedOutputValue() {return this->MaskedOutputValue;}
  int GetMaskedOutputValueLength() {return this->MaskedOutputValueLength;}


  vtkSetClampMacro ( MaskAlpha, double, 0.0, 1.0 );
  vtkGetMacro ( MaskAlpha, double );

  void SetImageInputData(vtkImageData *in);

  void SetMaskInputData(vtkImageData *in);


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


  virtual void SetInput1Data(vtkDataObject *in) { this->SetInputData(0,in); }
  virtual void SetInput2Data(vtkDataObject *in) { this->SetInputData(1,in); }

protected:
  vtkImageMask();
  ~vtkImageMask();

  double *MaskedOutputValue;
  int MaskedOutputValueLength;
  int NotMask;
  double MaskAlpha;

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


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

private:
  vtkImageMask(const vtkImageMask&);  // Not implemented.
  void operator=(const vtkImageMask&);  // Not implemented.
};

#endif