SourceAccessorEdgePad.h

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// $Id$

#ifndef __SOURCEACCESSOREDGEPAD_H__
#define __SOURCEACCESSOREDGEPAD_H__

#include "SourceGenerics.h"

#include "Point.h"
#include "Point2D.h"
#include <math.h>

template<class DATA, int DIMENSIONALITY, class PRECISION, class SOURCE>
class SourceAccessorEdgePadOf: public SourceAccessorOf<DATA, DIMENSIONALITY,
    PRECISION, SOURCE>
{
public:
};

template<class DATA, class PRECISION, class SOURCE>
class SourceAccessorEdgePadOf<DATA, 2, PRECISION, SOURCE> : public SourceAccessorOf<
    DATA, 2, PRECISION, SOURCE>
{
  DATA m_dataPad;

public:
  SourceAccessorEdgePadOf() :
    SourceAccessorOf<DATA, 2, PRECISION, SOURCE> (), m_dataPad(0)
  {
  }

  virtual void Describe() const
  {
    return (_LINE + "SourceAccessorEdgePadOf(2D)" + LINE_
        + this->DescribeCommon());
  }

  void Get(DATA& dataOut, PRECISION rX, PRECISION rY) const
  {
    PRECISION cX = this->m_ptSize.X();
    PRECISION cY = this->m_ptSize.Y();

    if (rX < 0 || rY < 0 || rX >= cX || rY >= cY)
      {
      dataOut = DATA(m_dataPad);
      }
    else
      {
      ::Get(this->m_psource, dataOut, rX, rY);
      }
  }

  void Set(PRECISION rX, PRECISION rY, const DATA& data)
  {
    PRECISION cX = this->m_ptSize.X();
    PRECISION cY = this->m_ptSize.Y();

    if (rX < 0 || rY < 0 || rX >= cX || rY >= cY)
      {
      return;
      }

    ::Set(this->m_psource, rX, rY, data);
  }

  void SetPadding(const DATA& data)
  {
    m_dataPad = data;
  }

};

#endif // __SOURCEACCESSOREDGEPAD_H__