testGenericWriter.cpp

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#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/images/ImageContainerBySTLVector.h"
#include "DGtal/io/readers/GenericReader.h"
#include "DGtal/io/writers/GenericWriter.h"
#include "DGtal/helpers/StdDefs.h"
#include "ConfigTest.h"

 
using namespace std;
using namespace DGtal;

// Functions for testing class GenericWriter.

bool testGenericWriter()
{
  unsigned int nbok = 0;
  unsigned int nb = 0;
  typedef DGtal::ImageContainerBySTLVector<DGtal::Z3i::Domain, unsigned char > Image3D;
  typedef DGtal::ImageContainerBySTLVector<DGtal::Z3i::Domain, unsigned int > Image3D32bits;
  typedef DGtal::ImageContainerBySTLVector<DGtal::Z3i::Domain, DGtal::uint64_t > Image3D64bits;
  typedef DGtal::ImageContainerBySTLVector<DGtal::Z2i::Domain,  unsigned char > Image2D;
  typedef DGtal::ImageContainerBySTLVector<DGtal::Z2i::Domain,  unsigned int > Image2D32bits;
  typedef DGtal::ImageContainerBySTLVector<DGtal::Z2i::Domain,  DGtal::Color > Image2DColor;
 
  Image3D32bits an32bitsImage3D (DGtal::Z3i::Domain(DGtal::Z3i::Point(0,0,0),  DGtal::Z3i::Point(4,4,4)));
  for(unsigned int i =0; i< 5; i++){
    for(unsigned int j =0; j< 5; j++){
      for(unsigned int k =0; k< 5; k++){
        an32bitsImage3D.setValue(DGtal::Z3i::Point(k,j,i), 250000*i*j*k);
      }
    }
  }
  Image3D64bits an64bitsImage3D (DGtal::Z3i::Domain(DGtal::Z3i::Point(0,0,0),  DGtal::Z3i::Point(4,4,4)));
  for(unsigned int i =0; i< 5; i++){
    for(unsigned int j =0; j< 5; j++){
      for(unsigned int k =0; k< 5; k++){
        an64bitsImage3D.setValue(DGtal::Z3i::Point(k,j,i), 250000*i*j*k);
      }
    }
  }
  Image2D32bits an32bitsImage2D (DGtal::Z2i::Domain(DGtal::Z2i::Point(0,0),  DGtal::Z2i::Point(4,4)));
  for(unsigned int i =0; i< 5; i++){
    for(unsigned int j =0; j< 5; j++){
      an32bitsImage2D.setValue(DGtal::Z2i::Point(j,i), 250000*i*j*4);
    }
  }
 
  Image2DColor anColorImage2D (DGtal::Z2i::Domain(DGtal::Z2i::Point(0,0),  DGtal::Z2i::Point(255,255)));
 
 
  for(unsigned int i =0; i<= 255; i++){
    for(unsigned int j =0; j<= 255; j++){
      anColorImage2D.setValue(DGtal::Z2i::Point(i,j),DGtal::Color(i,j,(i+j)%255));
    }
  }
 
  
  trace.beginBlock ( "Testing block ..." );
  std::string filenameImage1 = testPath + "samples/cat10.pgm3d";    
  trace.info() << "Reading 3D image  ... ";  
  Image3D anImportedImage1 = DGtal::GenericReader<Image3D>::import(filenameImage1);  
  trace.info() <<"[done]"  << std::endl;
  trace.info() << "Testing writing PGM3D ... ";  
  bool ok1 = anImportedImage1>> "testGenericWriter.pgm3d";
  trace.info() <<"[done]"  << std::endl;
  
  bool okh5 = true;
#ifdef  DGTAL_WITH_HDF5
  trace.info() << "Testing writing HDF5 3D ... ";
  okh5 = anImportedImage1 >> "testGenericWriter.h5";
  trace.info() <<"[done]"  << std::endl;
  trace.info() << "Testing writing HDF5 3D (bis) ... ";  
  okh5 = okh5 && DGtal::GenericWriter<Image3D>::exportFile("testGenericWriter_bis.h5", anImportedImage1, "/UInt8Array3D");
  trace.info() <<"[done]"  << std::endl;
#endif
  
  trace.info() << "Testing writing vol ... ";  
  bool ok2 = anImportedImage1 >> "testGenericWriter.vol";
  trace.info() <<"[done]"  << std::endl;
  trace.info() << "Testing writing longvol ... ";  
  bool ok2bis = an64bitsImage3D >> "testGenericWriter.longvol";
  trace.info() <<"[done]"  << std::endl;
  trace.info() << "Testing writing raw ... ";  
  bool ok3 = anImportedImage1 >>"testGenericWriter.raw";
  trace.info() <<"[done]"  << std::endl;
  trace.info() << "Testing writing raw (bis) ... ";  
  bool ok3bis = DGtal::GenericWriter<Image3D>::exportFile( "testGenericWriter.raw", anImportedImage1);
  trace.info() <<"[done]"  << std::endl;
  bool okITK= true;
#ifdef  DGTAL_WITH_ITK  
  for (auto ext: ITK_IO_IMAGE_EXT){
    trace.info() << "Testing writing ITK (" << ext << ") ... ";  
    if( ext != std::string("gz") )
    {
      okITK &= anImportedImage1 >> (std::string("testGenericWriter.") + ext);
    }
    trace.info() <<"[done]"  << std::endl;
  }
  trace.info() << "Testing writing ITK (.nii.gz) ... ";  
  okITK &= anImportedImage1 >> "testGenericWriter.nii.gz";
  trace.info() <<"[done]"  << std::endl;
#endif  
 
  std::string filenameImage2 = testPath + "samples/contourS.pgm";    
 
  trace.info() << "Reading 2D image  ... ";  
  Image2D anImportedImage2 = DGtal::GenericReader<Image2D>::import(filenameImage2);  
  trace.info() <<"[done]"  << std::endl; 
  trace.info() << "Testing writing pgm ... ";  
  bool ok4 = anImportedImage2 >> "testGenericWriter.pgm";
  trace.info() <<"[done]"  << std::endl;
  trace.info() << "Testing writing raw ... ";  
  bool ok5 = anImportedImage2 >> "testGenericWriter.raw";
  bool ok6 = DGtal::GenericWriter<Image3D32bits>::exportFile( "testGenericWriter32bits3D.raw", an32bitsImage3D);
  bool ok7 = DGtal::GenericWriter<Image2D32bits>::exportFile( "testGenericWriter32bits2D.raw", an32bitsImage2D);
  trace.info() <<"[done]"  << std::endl;
  trace.info() << "Testing writing color image writer ... ";  
  bool ok8 = DGtal::GenericWriter<Image2DColor>::exportFile( "testGenericWriterColorImage.ppm", anColorImage2D);
  ok8 = ok8 &&  DGtal::GenericWriter<Image2DColor>::exportFile( "testGenericWriterColorImage.png", anColorImage2D);
  trace.info() <<"[done]"  << std::endl;
  nbok += ((ok1 && okh5 && ok2 & ok2bis && ok3 && ok3bis && ok4 && ok5 && ok6 && ok7 && ok8 && okITK) ? 1 : 0); 
  nb++;
  trace.info() << "(" << nbok << "/" << nb << ") "
               << "true == true" << std::endl;
  trace.endBlock();
  
  return nbok == nb;
}
bool testGenericWriter() {…}

// Standard services - public :
 
int main( int argc, char** argv )
{
  trace.beginBlock ( "Testing class GenericWriter" );
  trace.info() << "Args:";
  for ( int i = 0; i < argc; ++i )
    trace.info() << " " << argv[ i ];
  trace.info() << endl;
 
  bool res = testGenericWriter(); // && ... other tests
  trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
  trace.endBlock();
  return res ? 0 : 1;
}
int main( int argc, char** argv ) {…}
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