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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkShiftScaleInPlaceImageFilter.h,v $
Language: C++
Date: $Date: 2006-03-31 14:31:04 $
Version: $Revision: 1.4 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/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 notices for more information.
=========================================================================*/
#ifndef __itkShiftScaleImageInPlaceFilter_h
#define __itkShiftScaleImageInPlaceFilter_h
#include "itkInPlaceImageFilter.h"
#include "itkArray.h"
namespace itk
{
/** \class ShiftScaleInPlaceImageFilter
* \brief Shift and scale the pixels in an image.
*
* ShiftScaleInPlaceImageFilter shifts the input pixel by Shift (default 0.0)
* and then scales the pixel by Scale (default 1.0). All computattions
* are performed in the precison of the input pixel's RealType. Before
* assigning the computed value to the output pixel, the value is clamped
* at the NonpositiveMin and max of the pixel type.
*
* ShiftScaleInPlaceImageFilter overwrites the input image to form the
* output image. If you do not want the input data destroyed, use the
* ShiftScaleImageFilter instead.
*
*
* \ingroup IntensityImageFilters
* \sa ShiftScaleImageFilter
* \sa InPlaceImageFilter
*/
template <class TInputImage>
class ITK_EXPORT ShiftScaleInPlaceImageFilter:
public InPlaceImageFilter<TInputImage>
{
public:
/** Standard class typedefs. */
typedef ShiftScaleInPlaceImageFilter Self;
typedef InPlaceImageFilter<TInputImage> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Typedef to describe the output and input image region types. */
typedef typename TInputImage::RegionType InputImageRegionType;
typedef typename TInputImage::RegionType OutputImageRegionType;
/** Typedef to describe the pointer to the input/output. */
typedef typename TInputImage::Pointer InputImagePointer;
typedef typename TInputImage::Pointer OutputImagePointer;
/** Typedef to describe the type of pixel. */
typedef typename TInputImage::PixelType InputImagePixelType;
typedef typename TInputImage::PixelType OutputImagePixelType;
/** Typedef to describe the output and input image index and size types. */
typedef typename TInputImage::IndexType InputImageIndexType;
typedef typename TInputImage::SizeType InputImageSizeType;
typedef typename TInputImage::OffsetType InputImageOffsetType;
typedef typename TInputImage::IndexType OutputImageIndexType;
typedef typename TInputImage::SizeType OutputImageSizeType;
typedef typename TInputImage::OffsetType OutputImageOffsetType;
/** Type to use form computations. */
typedef typename NumericTraits<OutputImagePixelType>::RealType RealType;
/** Image related typedefs. */
itkStaticConstMacro(ImageDimension, unsigned int,
TInputImage::ImageDimension ) ;
/** Run-time type information (and related methods). */
itkTypeMacro(ShiftScaleInPlaceImageFilter, InPlaceImageFilter);
/** Set/Get the amount to Shift each Pixel. The shift is followed by a Scale. */
itkSetMacro(Shift,RealType);
itkGetMacro(Shift,RealType);
/** Set/Get the amount to Scale each Pixel. The Scale is applied after the Shift. */
itkSetMacro(Scale,RealType);
itkGetMacro(Scale,RealType);
/** Get the number of pixels that underflowed and overflowed. */
itkGetMacro(UnderflowCount,long);
itkGetMacro(OverflowCount,long);
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro(InputHasNumericTraitsCheck,
(Concept::HasNumericTraits<InputImagePixelType>));
itkConceptMacro(InputPlusRealTypeCheck,
(Concept::AdditiveOperators<InputImagePixelType, RealType, RealType>));
itkConceptMacro(RealTypeMultiplyOperatorCheck,
(Concept::MultiplyOperator<RealType>));
/** End concept checking */
#endif
protected:
ShiftScaleInPlaceImageFilter();
~ShiftScaleInPlaceImageFilter();
void PrintSelf(std::ostream& os, Indent indent) const;
/** Initialize some accumulators before the threads run. */
void BeforeThreadedGenerateData ();
/** Tally data accumulated in threads. */
void AfterThreadedGenerateData ();
/** Multi-thread version GenerateData. */
void ThreadedGenerateData (const OutputImageRegionType&
outputRegionForThread,
int threadId) ;
private:
ShiftScaleInPlaceImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
RealType m_Shift;
RealType m_Scale;
long m_UnderflowCount;
long m_OverflowCount;
Array<long> m_ThreadUnderflow;
Array<long> m_ThreadOverflow;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkShiftScaleInPlaceImageFilter.txx"
#endif
#endif
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