CloseBinaryImage.C

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/*---------------------------------------------------------------------*
 | Library QgarLib, graphics analysis and recognition                  |
 | Copyright (C) 2002  Qgar Project, LORIA                             |
 |                                                                     |
 | This library is free software; you can redistribute it and/or       |
 | modify it under the terms of the GNU Lesser General Public          |
 | License version 2.1, as published by the Free Software Foundation.  |
 |                                                                     |
 | This library is distributed in the hope that it will be useful,     |
 | but WITHOUT ANY WARRANTY; without even the implied warranty of      |
 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                |
 | See the GNU Lesser General Public License for more details.         |
 |                                                                     |
 | The GNU Lesser General Public License is included in the file       |
 | LICENSE.LGPL, in the root directory of the Qgar packaging. See      |
 | http://www.gnu.org/licenses/lgpl.html for the terms of the licence. |
 | To receive a paper copy, write to the Free Software Foundation,     |
 | Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.       |
 |                                                                     |
 | Contact Project Qgar for any information:                           |
 |   LORIA - équipe Qgar                                               |
 |   B.P. 239, 54506 Vandoeuvre-lès-Nancy Cedex, France                |
 |   email: qgar-contact@loria.fr                                      |
 |   http://www.qgar.org/                                              |
 *---------------------------------------------------------------------*/


/**
 * @file  CloseBinaryImage.C
 * @brief Implementation of class qgar::CloseBinaryImage.
 *
 *        See file CloseBinaryImage.H for the interface.
 *
 * @author <a href="mailto:qgar-develop@loria.fr?subject=Qgar fwd Mathieu Baeumler">Mathieu Baeumler</a>
 * @date   July 18, 2002  15:48
 * @since  Qgar 2.0
 */


// STD
#include <sstream>
// QGAR
#include <qgarlib/CloseBinaryImage.H>
#include <qgarlib/DilatedBinaryImage.H>
#include <qgarlib/ErodedBinaryImage.H>
#include <qgarlib/GenImage.H>
#include <qgarlib/QgarErrorDomain.H>



namespace qgar
{

// ---------------------------------------------------------------------
// C O N S T R U C T O R S
// ---------------------------------------------------------------------

CloseBinaryImage::CloseBinaryImage(BinaryImage& anImg,
                                   unsigned int aClosingSize)
  throw(QgarErrorDomain)
  : BinaryImage(anImg) 
{
  int sqsize = (2 * aClosingSize) + 1;  // Actual mask size
  if ((sqsize > anImg.width()) || (sqsize > anImg.height()))
    {
       std::ostringstream os;
       os << "Mask size ["
          << aClosingSize
          << " -> "
          << sqsize
          << "] too large for image ["
          << anImg.width()
          << " X "
          << anImg.height()
          << "]";

       throw QgarErrorDomain(__FILE__, __LINE__,
                             "qgar::CloseBinaryImage::CloseBinaryImage(qgar::BinaryImage&, unsigned int)",
                             os.str());
    }

  perform(this, aClosingSize);
}

// ---------------------------------------------------------------------
// T R A N S F O R M A T I O N
// ----------------------------------------------------------------------

void CloseBinaryImage::perform(BinaryImage* anImg,
                               unsigned int aClosingSize)
{ 
  DilatedBinaryImage::perform(anImg, aClosingSize);
  ErodedBinaryImage::perform(anImg, aClosingSize);
}

// ----------------------------------------------------------------------

} // namespace qgar