itkRLEImageScanlineIterator.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 itkRLEImageScanlineIterator_h
#define itkRLEImageScanlineIterator_h

#include "itkImageScanlineIterator.h"
#include "itkRLEImageIterator.h"
#include "itkRLEImageScanlineConstIterator.h"

namespace itk
{
template< typename TPixel, unsigned int VImageDimension, typename CounterType >
class ImageScanlineIterator< RLEImage< TPixel, VImageDimension, CounterType > > :
  public ImageScanlineConstIterator< RLEImage< TPixel, VImageDimension, CounterType > >
{
public:
  typedef ImageScanlineIterator                                                          Self;
  typedef ImageScanlineConstIterator< RLEImage< TPixel, VImageDimension, CounterType > > Superclass;

  typedef typename Superclass::IndexType         IndexType;
  typedef typename Superclass::SizeType          SizeType;
  typedef typename Superclass::OffsetType        OffsetType;
  typedef typename Superclass::RegionType        RegionType;
  typedef typename Superclass::ImageType         ImageType;
  typedef typename Superclass::InternalPixelType InternalPixelType;
  typedef typename Superclass::PixelType         PixelType;

  ImageScanlineIterator()
    : ImageScanlineConstIterator< ImageType >()
  {}

  ImageScanlineIterator( ImageType* ptr, const RegionType& region )
    : ImageScanlineConstIterator< ImageType >( ptr, region )
  {}

  ImageScanlineIterator( const ImageIterator< ImageType >& it )
    : ImageScanlineConstIterator< ImageType >( it )
  {}

  void
  Set( const PixelType& value ) const
  {
    const_cast< ImageType * >( this->m_Image.GetPointer() )->SetPixel(
      *const_cast< typename ImageType::RLLine * >( this->m_RunLengthLine ),
      this->m_SegmentRemainder, this->m_RealIndex, value );
  }

  // PixelType & Value(void)
  // {
  //    return m_Buffer[m_Index[2]][m_Index[1]][m_RealIndex].second;
  // }

protected:
  ImageScanlineIterator( const ImageScanlineConstIterator< ImageType >& it )
    : ImageScanlineConstIterator< ImageType >( it )
  {}
  Self &
  operator=( const ImageScanlineConstIterator< ImageType >& it )
  {
    this->ImageScanlineConstIterator< ImageType >::operator=( it );
    return *this;
  }
};
} // end namespace itk

#endif // itkRLEImageScanlineIterator_h