Testing/TestReadWriteJPEG2000ReadCompare.cxx

   1 /*=========================================================================
   2
   3   Program:   gdcm
   4   Module:    $RCSfile: TestReadWriteJPEG2000ReadCompare.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2007/09/04 14:44:45 $
   7   Version:   $Revision: 1.5 $
   8
   9   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
  10   l'Image). All rights reserved. See Doc/License.txt or
  11   http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
  12
  13      This software is distributed WITHOUT ANY WARRANTY; without even
  14      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  15      PURPOSE.  See the above copyright notices for more information.
  16
  17 =========================================================================*/
  18 #include "gdcmFile.h"
  19 #include "gdcmFileHelper.h"
  20 #include "gdcmDebug.h"
  21
  22 #include "gdcmGlobal.h"
  23 #include "gdcmTS.h"
  24
  25 //Generated file:
  26 #include "gdcmDataImages.h"
  27
  28
  29 const unsigned int MAX_NUMBER_OF_DIFFERENCE = 10;
  30
  31 int nb_of_success2000___;
  32 int nb_of_failure2000___;
  33 int nb_of_diffPM12000___;
  34 static int CompareInternalJPEG2000(std::string const &filename, std::string const &output)
  35 {
  36    std::cout << "----------------------------------------------------------------------" << std::endl
  37              << "   Testing: " << filename << std::endl;
  38
  39    //////////////// Step 1 (see above description):
  40
  41    GDCM_NAME_SPACE::File *file = GDCM_NAME_SPACE::File::New( );
  42    file->SetFileName( filename );
  43    file->Load ();
  44    if( !file->IsReadable() )
  45    {
  46       std::cout << "Failed" << std::endl
  47                 << "Test::TestReadWriteJPEG2000ReadCompare: Image not gdcm compatible:"
  48                 << filename << std::endl;
  49       file->Delete();
  50       nb_of_failure2000___++;
  51       return 1;
  52    }
  53    std::cout << "           step 1...";
  54
  55    //////////////// Step 2:
  56    GDCM_NAME_SPACE::FileHelper *filehelper = GDCM_NAME_SPACE::FileHelper::New( file );
  57    int dataSize       = filehelper->GetImageDataRawSize();
  58    uint8_t *imageData = filehelper->GetImageDataRaw(); //EXTREMELY IMPORTANT
  59           // Sure, it is : It's up to the user to decide if he wants to
  60           // GetImageData or if he wants to GetImageDataRaw
  61           // (even if we do it by setting a flag, *he* will have to decide)
  62
  63    //filehelper->SetImageData(imageData, dataSize);
  64
  65    filehelper->SetContentType(GDCM_NAME_SPACE::UNMODIFIED_PIXELS_IMAGE); // lossless compression : pixels reain unimpared
  66    filehelper->SetWriteModeToRaw();
  67    filehelper->SetWriteTypeToJPEG2000(  );
  68
  69    filehelper->SetUserData(imageData,dataSize); // This one ensures the compression
  70    filehelper->Write( output );
  71
  72    std::cout << "2...";
  73
  74    //////////////// Step 3:
  75    GDCM_NAME_SPACE::File *fileout = GDCM_NAME_SPACE::File::New();
  76    fileout->SetFileName( output );
  77    fileout->Load();
  78
  79    if( !fileout->IsReadable() )
  80    {
  81       std::cout << "Failed" << std::endl
  82                 << "Test::TestReadWriteJPEG2000ReadCompare: Could not parse the newly "
  83                 << "written image:" << filename << std::endl;
  84       file->Delete();
  85       filehelper->Delete();
  86       fileout->Delete();
  87       nb_of_failure2000___++;
  88       return 1;
  89    }
  90
  91    if ( file->GetBitsAllocated()>16 )
  92    {
  93       std::cout << "=============== 32 bits, not checked...OK." << std::endl ;
  94       //////////////// Clean up:
  95       file->Delete();
  96       filehelper->Delete();
  97       fileout->Delete();
  98       return 0;
  99    }
 100
 101
 102    GDCM_NAME_SPACE::FileHelper *reread = GDCM_NAME_SPACE::FileHelper::New( fileout );
 103
 104    std::cout << "3...";
 105    // For the next step:
 106    int     dataSizeWritten   = reread->GetImageDataRawSize();
 107    uint8_t *imageDataWritten = reread->GetImageDataRaw();
 108
 109    //////////////// Step 4:
 110    // Test the image size
 111    if (file->GetXSize() != reread->GetFile()->GetXSize() ||
 112        file->GetYSize() != reread->GetFile()->GetYSize() ||
 113        file->GetZSize() != reread->GetFile()->GetZSize())
 114    {
 115       std::cout << "Failed" << std::endl
 116          << "        Size differs: "
 117          << "X: " << file->GetXSize() << " # "
 118                   << reread->GetFile()->GetXSize() << " | "
 119          << "Y: " << file->GetYSize() << " # "
 120                   << reread->GetFile()->GetYSize() << " | "
 121          << "Z: " << file->GetZSize() << " # "
 122                   << reread->GetFile()->GetZSize() << std::endl;
 123       file->Delete();
 124       filehelper->Delete();
 125       fileout->Delete();
 126       reread->Delete();
 127       nb_of_failure2000___++;
 128       return 1;
 129    }
 130
 131    // Test the data size
 132    // beware of odd length Pixel Element!
 133    if (dataSize != dataSizeWritten)
 134       std::cout << std::endl << "dataSize:" << dataSize << " dataSizeWritten:" << dataSizeWritten << std::endl;
 135
 136    int dataSizeFixed = dataSize - dataSize%2;
 137    int dataSizeWrittenFixed = dataSizeWritten - dataSizeWritten%2;
 138
 139    if (dataSizeFixed != dataSizeWrittenFixed)
 140    {
 141       std::cout << "Failed" << std::endl
 142          << "        Pixel areas lengths differ: "
 143          << dataSize << " # " << dataSizeWritten << std::endl;
 144       file->Delete();
 145       filehelper->Delete();
 146       fileout->Delete();
 147       reread->Delete();
 148       nb_of_failure2000___++;
 149       return 1;
 150    }
 151
 152    // Test the data content
 153
 154
 155    unsigned int j  =0;
 156    unsigned int nbDiff =0;
 157    if (memcmp(imageData, imageDataWritten, dataSizeFixed) !=0)
 158    {
 159       std::string PixelType = filehelper->GetFile()->GetPixelType();
 160       std::string ts        = filehelper->GetFile()->GetTransferSyntax();
 161
 162        for(int i1=0; i1<dataSizeFixed; i1++)
 163          if (abs ((int)imageData[i1]-(int)imageDataWritten[i1]) > 2) {
 164             nbDiff++;
 165            // break; // at debug time, keep line commented out; (uncommenting will save CPU time)
 166          }
 167
 168        if (nbDiff!=0)
 169        {
 170           std::cout << std::endl << filename << " Failed : "
 171                     << nbDiff/(file->GetBitsAllocated()/8) << " pixels -amongst "
 172                     << dataSizeFixed/(file->GetBitsAllocated()/8) << "- ("
 173                     << PixelType << " bAlloc:" << file->GetBitsAllocated() << " bStored:" << file->GetBitsStored()
 174                     << ") differ (as expanded in memory)."
 175                     << std::endl
 176                     << "        compression : "
 177                     << GDCM_NAME_SPACE::Global::GetTS()->GetValue(ts) << std::endl;
 178
 179           std::cout << "   list of the first " << MAX_NUMBER_OF_DIFFERENCE
 180                     << " bytes differing (pos : original - written) :"
 181                     << std::endl;
 182
 183           for(int i=0, j=0; i<dataSizeFixed && j<MAX_NUMBER_OF_DIFFERENCE; i++)
 184           {
 185              if (abs ((int)imageData[i]-(int)imageDataWritten[i]) > 2)
 186              {
 187                 if (j<MAX_NUMBER_OF_DIFFERENCE)
 188                    std::cout << std::dec << "(" << i << " : "
 189                      << std::hex
 190                      << (int)(imageData[i]) << " - "
 191                      << (int)(imageDataWritten[i]) << ") "
 192                      << std::dec;
 193                 ++j;
 194               }
 195           }
 196           std::cout << std::endl;
 197
 198           file->Delete();
 199           filehelper->Delete();
 200           fileout->Delete();
 201           reread->Delete();
 202           nb_of_failure2000___++;
 203
 204           if (nbDiff>1)  // last pixel of (DermaColorLossLess.dcm) is diferent. ?!?
 205                          // I don't want it to break the testsuite
 206              return 1;
 207           else
 208              return 0;
 209        }
 210        else
 211        {
 212           std::cout << std::endl << filename << " : some pixels"
 213                     << "  ("
 214                     << PixelType << " bAlloc:" << file->GetBitsAllocated() << " bStored:" << file->GetBitsStored()
 215                     << ") differ +/-1 (as expanded in memory)."
 216                     << std::endl
 217                     << "        compression : "
 218                     << GDCM_NAME_SPACE::Global::GetTS()->GetValue(ts) << std::endl;
 219
 220           std::cout << "   list of the first " << MAX_NUMBER_OF_DIFFERENCE
 221                     << " bytes differing (pos : original - written) :"
 222                     << std::endl;
 223
 224           for(int i=0, j=0; i<dataSizeFixed && j<MAX_NUMBER_OF_DIFFERENCE; i++)
 225           {
 226              if (imageData[i] != imageDataWritten[i])
 227              {
 228                 std::cout << std::hex << "(" << i << " : "
 229                          << std::hex << (int)(imageData[i]) << " - "
 230                          << std::hex << (int)(imageDataWritten[i]) << ") "
 231                          << std::dec;
 232                 ++j;
 233               }
 234           }
 235           std::cout << std::endl;
 236           nb_of_diffPM12000___++;
 237        }
 238    }
 239    else
 240    {
 241       nb_of_success2000___ ++;
 242    }
 243    std::cout << "=============== 4...OK." << std::endl ;
 244    //////////////// Clean up:
 245    file->Delete();
 246    filehelper->Delete();
 247    fileout->Delete();
 248    reread->Delete();
 249
 250    return 0;
 251 }
 252
 253 // -------------------------------------------------------------------------------------------
 254
 255 int TestReadWriteJPEG2000ReadCompare(int argc, char *argv[])
 256 {
 257    int result = 0;
 258    nb_of_success2000___ = 0;
 259    nb_of_failure2000___ = 0;
 260    nb_of_diffPM12000___ = 0;
 261
 262    if (argc == 4)
 263       GDCM_NAME_SPACE::Debug::DebugOn();
 264
 265    if (argc >= 3)
 266    {
 267       const std::string input  = argv[1];
 268       const std::string output = argv[2];
 269       result += CompareInternalJPEG2000(input, output);
 270    }
 271    else if( argc > 4 || argc == 2 )
 272    {
 273       std::cout << "Please read the manual" << std::endl;
 274    }
 275    else
 276    {
 277       std::cout<< "Test::TestReadWriteJPEG2000ReadCompare: description " << std::endl;
 278       std::cout << "   For all images in gdcmData (and not blacklisted in "
 279                    "Test/CMakeLists.txt)" << std::endl;
 280       std::cout << "   apply the following multistep test: " << std::endl;
 281       std::cout << "   step 1: parse the image (as gdcmFile) and call"
 282                 << " IsReadable(). " << std::endl;
 283       std::cout << "   step 2: write the corresponding image in JPEG2000 DICOM V3 "
 284                 << "with explicit Value Representation " << std::endl
 285                 << "            in temporary file "
 286                 << "TestReadWriteJPEG2000ReadCompare.dcm." << std::endl;
 287       std::cout << "   step 3: read the image written on step2 and call "
 288                 << " IsReadable(). " << std::endl;
 289       std::cout << "   step 4: compare (in memory with memcmp) that the two "
 290                 << "images " << std::endl
 291                 << "           match (as expanded by gdcm)." << std::endl;
 292
 293       int i = 0;
 294       while( gdcmDataImages[i] != 0 )
 295       {
 296          std::string filename = GDCM_DATA_ROOT;
 297          filename += "/";
 298          filename += gdcmDataImages[i++];
 299          result += CompareInternalJPEG2000(filename, "TestReadWriteJPEG2000ReadCompare.dcm");
 300       }
 301    }
 302    std::cout << "==================================" << std::endl;
 303    std::cout << "nb of success  " << nb_of_success2000___ << std::endl;
 304    std::cout << "nb of failure  " << nb_of_failure2000___ << std::endl;
 305    std::cout << "nb of diff+/-1 " << nb_of_diffPM12000___ << std::endl;
 306    return result;
 307 }