vpSubMatrix.h

/****************************************************************************
 *
 * This file is part of the ViSP software.
 * Copyright (C) 2005 - 2017 by Inria. All rights reserved.
 *
 * This software is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * See the file LICENSE.txt at the root directory of this source
 * distribution for additional information about the GNU GPL.
 *
 * For using ViSP with software that can not be combined with the GNU
 * GPL, please contact Inria about acquiring a ViSP Professional
 * Edition License.
 *
 * See http://visp.inria.fr for more information.
 *
 * This software was developed at:
 * Inria Rennes - Bretagne Atlantique
 * Campus Universitaire de Beaulieu
 * 35042 Rennes Cedex
 * France
 *
 * If you have questions regarding the use of this file, please contact
 * Inria at visp@inria.fr
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Description:
 * Mask on a vpMatrix .
 *
 * Authors:
 * Laneurit Jean
 *
 *****************************************************************************/

#ifndef __VP_SUB_MATRIX__
#define __VP_SUB_MATRIX__

#include <visp3/core/vpMatrix.h>

class VISP_EXPORT vpSubMatrix : public vpMatrix
{

private:
  void eye(unsigned int n);
  void eye(unsigned int m, unsigned int n);
  vpSubMatrix(const vpSubMatrix & /* m */);

protected:
  unsigned int pRowNum;
  unsigned int pColNum;
  vpMatrix *parent;

public:
  vpSubMatrix();
  vpSubMatrix(vpMatrix &m, const unsigned int &row, const unsigned int &col, const unsigned int &nrows,
              const unsigned int &ncols);
  ~vpSubMatrix();

  void init(vpMatrix &m, const unsigned int &row, const unsigned int &col, const unsigned int &nrows,
            const unsigned int &ncols);

  void checkParentStatus() const;

  vpSubMatrix &operator=(const vpSubMatrix &B);
  vpSubMatrix &operator=(const vpMatrix &B);
  vpSubMatrix &operator=(const double &x);
};

#endif