itkGridImageSource.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkGridImageSource_h
#define __itkGridImageSource_h

#include "itkGenerateImageSource.h"
#include "itkFixedArray.h"
#include "itkKernelFunctionBase.h"
#include "itkVectorContainer.h"

#include "vnl/vnl_vector.h"

namespace itk
{
template< typename TOutputImage >
class GridImageSource
   :public GenerateImageSource< TOutputImage >
{
public:
  typedef GridImageSource                     Self;
  typedef GenerateImageSource< TOutputImage > Superclass;
  typedef SmartPointer< Self >                Pointer;
  typedef SmartPointer< const Self >          ConstPointer;

  itkTypeMacro(GridImageSource, GenerateImageSource);

  itkNewMacro(Self);

  typedef double RealType;

  itkStaticConstMacro(ImageDimension, unsigned int,
                      TOutputImage::ImageDimension);

  typedef TOutputImage                         ImageType;
  typedef typename TOutputImage::RegionType    ImageRegionType;
  typedef typename TOutputImage::PixelType     PixelType;
  typedef typename TOutputImage::SpacingType   SpacingType;
  typedef typename TOutputImage::PointType     OriginType;
  typedef typename TOutputImage::DirectionType DirectionType;
  typedef typename TOutputImage::SizeType      SizeType;

  typedef KernelFunctionBase<double>           KernelFunctionType;
  typedef FixedArray< RealType, itkGetStaticConstMacro(ImageDimension) >
  ArrayType;
  typedef FixedArray< bool, itkGetStaticConstMacro(ImageDimension) >
  BoolArrayType;
  typedef vnl_vector< RealType >                           PixelArrayType;
  typedef VectorContainer< SizeValueType, PixelArrayType > PixelArrayContainerType;

  itkSetObjectMacro(KernelFunction, KernelFunctionType);
  itkGetConstReferenceObjectMacro(KernelFunction, KernelFunctionType);

  itkSetMacro(Sigma, ArrayType);
  itkGetConstReferenceMacro(Sigma, ArrayType);

  itkSetMacro(GridSpacing, ArrayType);
  itkGetConstReferenceMacro(GridSpacing, ArrayType);

  itkSetMacro(GridOffset, ArrayType);
  itkGetConstReferenceMacro(GridOffset, ArrayType);

  itkSetMacro(WhichDimensions, BoolArrayType);
  itkGetConstReferenceMacro(WhichDimensions, BoolArrayType);

  itkSetMacro(Scale, RealType);
  itkGetConstReferenceMacro(Scale, RealType);

protected:
  GridImageSource();
  // ~GridImageSource(){} default implementation ok
  void PrintSelf(std::ostream & os, Indent indent) const;

  virtual void
  ThreadedGenerateData(const ImageRegionType &
                       outputRegionForThread, ThreadIdType threadId);

  virtual void BeforeThreadedGenerateData();

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

  typename PixelArrayContainerType::Pointer m_PixelArrays;

  typename KernelFunctionType::Pointer m_KernelFunction;

  ArrayType m_Sigma;

  ArrayType m_GridSpacing;

  ArrayType m_GridOffset;

  BoolArrayType m_WhichDimensions;

  RealType m_Scale;
};
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkGridImageSource.hxx"
#endif

#endif