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

  Program:   Visualization Toolkit
  Module:    vtkImageCast.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 vtkImageCast_h
#define vtkImageCast_h


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

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


  vtkSetMacro(OutputScalarType,int);
  vtkGetMacro(OutputScalarType,int);
  void SetOutputScalarTypeToFloat(){this->SetOutputScalarType(VTK_FLOAT);};
  void SetOutputScalarTypeToDouble(){this->SetOutputScalarType(VTK_DOUBLE);};
  void SetOutputScalarTypeToInt(){this->SetOutputScalarType(VTK_INT);};
  void SetOutputScalarTypeToUnsignedInt()
    {this->SetOutputScalarType(VTK_UNSIGNED_INT);};
  void SetOutputScalarTypeToLong(){this->SetOutputScalarType(VTK_LONG);};
  void SetOutputScalarTypeToUnsignedLong()
    {this->SetOutputScalarType(VTK_UNSIGNED_LONG);};
  void SetOutputScalarTypeToShort(){this->SetOutputScalarType(VTK_SHORT);};
  void SetOutputScalarTypeToUnsignedShort()
    {this->SetOutputScalarType(VTK_UNSIGNED_SHORT);};
  void SetOutputScalarTypeToUnsignedChar()
    {this->SetOutputScalarType(VTK_UNSIGNED_CHAR);};
  void SetOutputScalarTypeToChar()
    {this->SetOutputScalarType(VTK_CHAR);};


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


protected:
  vtkImageCast();
  ~vtkImageCast() {}

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

  void ThreadedExecute (vtkImageData *inData, vtkImageData *outData,
                       int ext[6], int id);

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

#endif