freemanChainDisplay.cpp File Reference

#include <iostream>
#include <fstream>
#include "DGtal/base/Common.h"
#include "DGtal/kernel/domains/HyperRectDomain.h"
#include "DGtal/images/ImageSelector.h"
#include "DGtal/kernel/SpaceND.h"
#include "DGtal/base/BasicTypes.h"
#include "DGtal/geometry/curves/FreemanChain.h"
#include "DGtal/io/readers/STBReader.h"
#include "DGtal/io/boards/Board2D.h"
#include "DGtal/helpers/StdDefs.h"
#include "ConfigExamples.h"

Go to the source code of this file.

Functions
int	main ()

Detailed Description

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Author

Bertrand Kerautret (kerau.nosp@m.tre@.nosp@m.loria.nosp@m..fr ) LORIA (CNRS, UMR 7503), University of Nancy, France

Date

2010/12/01

An example of FreemanChain display with background source image.

This file is part of the DGtal library.

Definition in file freemanChainDisplay.cpp.

Function Documentation

main()

int main

(

void

)

Definition at line 51 of file freemanChainDisplay.cpp.

{
  
  typedef SpaceND<2> Space2;
  typedef HyperRectDomain<Space2> TDomain;
 
  //Default image selector = STLVector
  typedef ImageSelector<TDomain, unsigned char>::Type Image;
 
  // Creating FreemanChain from file
  std::string freemanChainFilename = examplesPath + "samples/contourS.fc";
  fstream fst;
  fst.open (freemanChainFilename.c_str(), ios::in);
  FreemanChain<Space::Integer> fc(fst);
  fst.close();
  
  // Importing image with MagickReader
  STBReader<Image> reader;
  std::string filenameImage = examplesPath + "samples/contourS.png";
  Image img = reader.import( filenameImage );
  
  Point ptInf = img.domain().lowerBound(); 
  Point ptSup = img.domain().upperBound(); 
  unsigned int width = abs(ptSup[0]-ptInf[0]+1);
  unsigned int height = abs(ptSup[1]-ptInf[1]+1);
  
  // Draw the freemanchain and the contour 
  Board2D dgBoard;
  
  dgBoard.drawImage(filenameImage, 0,height-1, width, height );
  dgBoard << fc;
  
  dgBoard.saveEPS("freemanChainDisplay.eps");
  dgBoard.saveSVG("freemanChainDisplay.svg");
  dgBoard.saveFIG("freemanChainDisplay.fig");
  
  return 0;
}

References LibBoard::Board::drawImage(), DGtal::STBReader< TImageContainer, TFunctor >::import(), LibBoard::Board::saveEPS(), LibBoard::Board::saveFIG(), and LibBoard::Board::saveSVG().