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

  Program:   MetaIO
  Module:    metaLine.h
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

  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.

=========================================================================*/
#include "metaTypes.h"

#ifndef ITKMetaIO_METALINE_H
#define ITKMetaIO_METALINE_H

#include "metaUtils.h"
#include "metaObject.h"

#ifdef _MSC_VER
#pragma warning ( disable: 4251 )
#endif

#include <list>


/*!    MetaLine (.h and .cxx)
 *
 * Description:
 *    Reads and Writes MetaLineFiles.
 *
 * \author Julien Jomier
 * 
 * \date July 02, 2002
 *
 */

#if (METAIO_USE_NAMESPACE)
namespace METAIO_NAMESPACE {
#endif

class LinePnt
{
public:

  LinePnt(int dim);

  ~LinePnt();
  
  unsigned int m_Dim;
  float*   m_X;
  float**  m_V;
  float    m_Color[4];
};




class METAIO_EXPORT MetaLine : public MetaObject
  {

  /////
  //
  // PUBLIC
  //
  ////
  public:

   typedef METAIO_STL::list<LinePnt*> PointListType;
    ////
    //
    // Constructors & Destructor
    //
    ////
    MetaLine(void);

    MetaLine(const char *_headerName);   

    MetaLine(const MetaLine *_line); 
    
    MetaLine(unsigned int dim);

    ~MetaLine(void);

    void PrintInfo(void) const;

    void CopyInfo(const MetaObject * _object);


    //    NPoints(...)
    //       Required Field
    //       Number of points wich compose the line
    void  NPoints(int npnt);
    int   NPoints(void) const;

    //    PointDim(...)
    //       Required Field
    //       Definition of points
    void        PointDim(const char* pointDim);
    const char* PointDim(void) const;


    void  Clear(void);

    PointListType & GetPoints(void) {return m_PointList;}
    const PointListType & GetPoints(void) const {return m_PointList;}

    MET_ValueEnumType ElementType(void) const;
    void  ElementType(MET_ValueEnumType _elementType);

  ////
  //
  // PROTECTED
  //
  ////
  protected:

    bool  m_ElementByteOrderMSB;

    void  M_Destroy(void);

    void  M_SetupReadFields(void);

    void  M_SetupWriteFields(void);

    bool  M_Read(void);

    bool  M_Write(void);

    int m_NPoints;      // "NPoints = "         0

    char m_PointDim[255]; // "PointDim = "       "x y z r"

    PointListType m_PointList;

    MET_ValueEnumType m_ElementType;

  };

#if (METAIO_USE_NAMESPACE)
};
#endif


#endif
