itkBresenhamLine.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkBresenhamLine.h,v $
  Language:  C++
  Date:      $Date: 2008-08-06 16:49:13 $
  Version:   $Revision: 1.1 $

  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 __itkBresenhamLine_h
#define __itkBresenhamLine_h

#include "itkVector.h"
#include "itkOffset.h"
#include "itkIndex.h"
#include <vector>

namespace itk {

/* a simple class that will return an array of indexes that are
* offsets along the line. The line will be described by a vector and a
* length */

template <unsigned int VDimension>
class ITK_EXPORT BresenhamLine
{
public:
  typedef BresenhamLine                      Self;
  // This defines the line direction
  typedef Vector<float, VDimension>          LType;
  typedef Offset<VDimension>                 OffsetType;
  typedef Index<VDimension>                  IndexType;
  typedef std::vector<OffsetType>            OffsetArray;

  typedef typename IndexType::IndexValueType IndexValueType;

  // constructurs
  BresenhamLine(){}
  ~BresenhamLine(){}

  OffsetArray buildLine(LType Direction, unsigned int length);

};


}


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


#endif

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