testPNMReader.cpp

#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/io/boards/Board2D.h"
#include "DGtal/io/readers/PPMReader.h"
#include "DGtal/io/readers/PGMReader.h"
#include "DGtal/images/ImageSelector.h"
#include "DGtal/images/imagesSetsUtils/SetFromImage.h"
#include "ConfigTest.h"


using namespace std;
using namespace DGtal;

// Functions for testing class PNMReader.

bool testPNMReader()
{
  unsigned int nbok = 0;
  unsigned int nb = 0;  
  trace.beginBlock ( "Testing pgm reader ..." );
  nbok += true ? 1 : 0; 
  nb++;
  std::string filename = testPath + "samples/circleR10.pgm";

  trace.info() << "Loading filename: "<< filename<<std::endl;

  typedef ImageSelector < Z2i::Domain, unsigned int>::Type Image;
  Image image = PGMReader<Image>::importPGM( filename ); 
  
  Z2i::DigitalSet set2d (image.domain());
  SetFromImage<Z2i::DigitalSet>::append<Image>(set2d, image, 0, 255);
   
  Board2D board;
  board << image.domain() << set2d; // display domain and set
  
  board.saveEPS( "testPNMReaderPGM.eps");
  trace.info() << "(" << nbok << "/" << nb << ") "
         << "true == true" << std::endl;
  trace.endBlock();  

  trace.beginBlock ( "Testing ppm reader ..." );
  nbok += true ? 1 : 0; 
  nb++;
  std::string filenamePPM = testPath + "samples/color64.ppm";

  trace.info() << "Loading filename: "<< filenamePPM <<std::endl;

  typedef ImageSelector < Z2i::Domain, unsigned int>::Type Image;
  Image imagePPM = PPMReader<Image>::importPPM( filenamePPM ); 
  
  Z2i::DigitalSet set2dPPM (imagePPM.domain());
  SetFromImage<Z2i::DigitalSet>::append<Image>(set2dPPM, imagePPM, 0, 0xFFFFFEu);
   
  Board2D boardPPM;
  boardPPM << imagePPM.domain() << set2dPPM; // display domain and set
  
  boardPPM.saveEPS( "testPNMReaderPPM.eps");
  trace.info() << "(" << nbok << "/" << nb << ") "
         << "true == true" << std::endl;
  trace.endBlock();  

  return nbok == nb;
}
bool testPNM3DReader()
{
  unsigned int nbok = 0;
  unsigned int nb = 0;  
  trace.beginBlock ( "Testing pgm3D reader ..." );
  nbok += true ? 1 : 0; 
  nb++;
  std::string filename = testPath + "samples/simple.pgm3d";

  trace.info() << "Loading filename: "<< filename<<std::endl;

  typedef ImageSelector < Z3i::Domain, unsigned int>::Type Image;
  Image image = PGMReader<Image>::importPGM3D( filename ); 
  
  trace.info() << "Image 3D = "<<image<<std::endl;
  
  trace.info() << "(" << nbok << "/" << nb << ") "
         << "true == true" << std::endl;
  trace.endBlock();  
  return nbok == nb;
}

bool testPNM3DASCIIReader()
{
    unsigned int nbok = 0;
    unsigned int nb = 0;
    trace.beginBlock ( "Testing P2 pgm3D reader ..." );
    nbok += true ? 1 : 0;
    nb++;
    std::string filename = testPath + "samples/ascii_ball.pgm3d";

    trace.info() << "Loading filename: "<< filename<<std::endl;

    typedef ImageSelector < Z3i::Domain, unsigned int>::Type Image;
    Image image = PGMReader<Image>::importPGM3D( filename );

    trace.info() << "Image 3D = "<<image<<std::endl;

    trace.info() << "(" << nbok << "/" << nb << ") "
           << "true == true" << std::endl;
    trace.endBlock();
    return nbok == nb;
}

// Standard services - public :

int main( int argc, char** argv )
{
  trace.beginBlock ( "Testing class PNMReader" );
  trace.info() << "Args:";
  for ( int i = 0; i < argc; ++i )
    trace.info() << " " << argv[ i ];
  trace.info() << endl;

  bool res = testPNMReader() && testPNM3DReader() && testPNM3DASCIIReader(); // && ... other tests
  trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
  trace.endBlock();
  return res ? 0 : 1;
}
//                                                                           //