vtkImageShiftScale.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkImageShiftScale.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 __vtkImageShiftScale_h
#define __vtkImageShiftScale_h


#include "vtkThreadedImageAlgorithm.h"

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


  vtkSetMacro(Shift,double);
  vtkGetMacro(Shift,double);


  vtkSetMacro(Scale,double);
  vtkGetMacro(Scale,double);


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


  vtkSetMacro(ClampOverflow, int);
  vtkGetMacro(ClampOverflow, int);
  vtkBooleanMacro(ClampOverflow, int);
  
protected:
  vtkImageShiftScale();
  ~vtkImageShiftScale();

  double Shift;
  double Scale;
  int OutputScalarType;
  int ClampOverflow;

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

  virtual void ThreadedRequestData(vtkInformation*,
                                   vtkInformationVector**,
                                   vtkInformationVector*,
                                   vtkImageData*** inData,
                                   vtkImageData** outData,
                                   int outExt[6],
                                   int threadId);
private:
  vtkImageShiftScale(const vtkImageShiftScale&);  // Not implemented.
  void operator=(const vtkImageShiftScale&);  // Not implemented.
};

#endif

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