itkRandomImageSource.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkRandomImageSource.h,v $
  Language:  C++
  Date:      $Date: 2007-12-21 15:35:40 $
  Version:   $Revision: 1.42 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

  Portions of this code are covered under the VTK copyright.
  See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.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 notices for more information.

=========================================================================*/
#ifndef __itkRandomImageSource_h
#define __itkRandomImageSource_h

#include "itkImageSource.h"
#include "itkNumericTraits.h"

namespace itk
{

template <typename TOutputImage>
class ITK_EXPORT RandomImageSource : public ImageSource<TOutputImage>
{
public:
  typedef RandomImageSource         Self;
  typedef ImageSource<TOutputImage> Superclass;
  typedef SmartPointer<Self>        Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  typedef typename TOutputImage::PixelType OutputImagePixelType;

  typedef typename TOutputImage::RegionType OutputImageRegionType;

  itkTypeMacro(RandomImageSource,ImageSource);

  itkNewMacro(Self);

  itkSetVectorMacro(Size,unsigned long,TOutputImage::ImageDimension);

  itkGetVectorMacro(Size,unsigned long,TOutputImage::ImageDimension);

  itkSetVectorMacro(Spacing,float,TOutputImage::ImageDimension);

  itkGetVectorMacro(Spacing,float,TOutputImage::ImageDimension);

  itkSetVectorMacro(Origin,float,TOutputImage::ImageDimension);

  itkGetVectorMacro(Origin,float,TOutputImage::ImageDimension);

  itkSetClampMacro(Min, OutputImagePixelType,
                   NumericTraits<OutputImagePixelType>::NonpositiveMin(),
                   NumericTraits<OutputImagePixelType>::max());

  itkGetMacro(Min, OutputImagePixelType);

  itkSetClampMacro(Max, OutputImagePixelType,
                   NumericTraits<OutputImagePixelType>::NonpositiveMin(),
                   NumericTraits<OutputImagePixelType>::max());

  itkGetMacro(Max, OutputImagePixelType);

protected:
  RandomImageSource();
  ~RandomImageSource();
  void PrintSelf(std::ostream& os, Indent indent) const;
  
  virtual void 
  ThreadedGenerateData(const OutputImageRegionType& 
                       outputRegionForThread, int threadId );
  virtual void GenerateOutputInformation();

private:
  RandomImageSource(const RandomImageSource&); //purposely not implemented
  void operator=(const RandomImageSource&); //purposely not implemented

  unsigned long *m_Size;    //size of the output image
  float         *m_Spacing; //spacing
  float         *m_Origin;  //origin

  typename TOutputImage::PixelType m_Min; //minimum possible value
  typename TOutputImage::PixelType m_Max; //maximum possible value
};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkRandomImageSource.txx"
#endif

#endif

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