Testing/TestReadWriteJPEGReadCompare.cxx

   1 /*=========================================================================
   2
   3   Program:   gdcm
   4   Module:    $RCSfile: TestReadWriteJPEGReadCompare.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2007/09/26 07:47:07 $
   7   Version:   $Revision: 1.11 $
   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_successJPEG___;
  32 int nb_of_failureJPEG___;
  33 int nb_of_diffPM1JPEG___;
  34 static int CompareInternalJPEG(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::TestReadWriteJPEGReadCompare: Image not gdcm compatible:"
  48                 << filename << std::endl;
  49       file->Delete();
  50       nb_of_failureJPEG___++;
  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 remain unimpared
  66    filehelper->SetWriteModeToRaw();
  67    filehelper->SetWriteTypeToJPEG(  );
  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::TestReadWriteJPEGReadCompare: Could not parse the newly "
  83                 << "written image:" << filename << std::endl;
  84       file->Delete();
  85       filehelper->Delete();
  86       fileout->Delete();
  87       nb_of_failureJPEG___++;
  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    GDCM_NAME_SPACE::FileHelper *reread = GDCM_NAME_SPACE::FileHelper::New( fileout );
 102
 103    std::cout << "3...";
 104    // For the next step:
 105    int     dataSizeWritten   = reread->GetImageDataRawSize();
 106    uint8_t *imageDataWritten = reread->GetImageDataRaw();
 107
 108    //////////////// Step 4:
 109    // Test the image size
 110    if (file->GetXSize() != reread->GetFile()->GetXSize() ||
 111        file->GetYSize() != reread->GetFile()->GetYSize() ||
 112        file->GetZSize() != reread->GetFile()->GetZSize())
 113    {
 114       std::cout << "Failed" << std::endl
 115          << "        Size differs: "
 116          << "X: " << file->GetXSize() << " # "
 117                   << reread->GetFile()->GetXSize() << " | "
 118          << "Y: " << file->GetYSize() << " # "
 119                   << reread->GetFile()->GetYSize() << " | "
 120          << "Z: " << file->GetZSize() << " # "
 121                   << reread->GetFile()->GetZSize() << std::endl;
 122       file->Delete();
 123       filehelper->Delete();
 124       fileout->Delete();
 125       reread->Delete();
 126       nb_of_failureJPEG___++;
 127       return 1;
 128    }
 129
 130    // Test the data size
 131    // beware of odd length Pixel Element!
 132    if (dataSize != dataSizeWritten)
 133       std::cout << std::endl << "dataSize:" << dataSize << " dataSizeWritten:" << dataSizeWritten << std::endl;
 134
 135    int dataSizeFixed = dataSize - dataSize%2;
 136    int dataSizeWrittenFixed = dataSizeWritten - dataSizeWritten%2;
 137
 138    if (dataSizeFixed != dataSizeWrittenFixed)
 139    {
 140       std::cout << "Failed" << std::endl
 141          << "        Pixel areas lengths differ: "
 142          << dataSize << " # " << dataSizeWritten << std::endl;
 143       file->Delete();
 144       filehelper->Delete();
 145       fileout->Delete();
 146       reread->Delete();
 147       nb_of_failureJPEG___++;
 148       return 1;
 149    }
 150
 151    // Test the data content
 152    unsigned int j      = 0;
 153    unsigned int nbDiff = 0;
 154    unsigned int lengthToCompare = file->GetXSize()*file->GetYSize()*file->GetZSize()
 155                                   *file->GetPixelSize()*file->GetSamplesPerPixel();
 156
 157    // just to see !
 158    if ( lengthToCompare!=dataSizeFixed)
 159       std::cout << "lengthToCompare : " << lengthToCompare << " not= dataSizeFixed : " << dataSizeFixed << std::endl;
 160
 161    if (memcmp(imageData, imageDataWritten, lengthToCompare) !=0)
 162    {
 163       std::string PixelType = filehelper->GetFile()->GetPixelType();
 164       std::string ts        = filehelper->GetFile()->GetTransferSyntax();
 165
 166        for(int i1=0; i1<dataSizeFixed; i1++)
 167          if (abs ((int)imageData[i1]-(int)imageDataWritten[i1]) > 0) {
 168             nbDiff++;
 169            // break; // at debug time, keep line commented out; (uncommenting will save CPU time)
 170          }
 171
 172        if (nbDiff!=0)
 173        {
 174           std::cout << std::endl << filename << " Failed : "
 175                     << nbDiff/(file->GetBitsAllocated()/8) << " Pixels -amongst "
 176                     << dataSizeFixed/(file->GetBitsAllocated()/8) << "- ("
 177                     << PixelType << " bAlloc:" << file->GetBitsAllocated() << " bStored:" << file->GetBitsStored()
 178                     << ") differ (as expanded in memory)."
 179                     << std::endl
 180                     << "        compression : "
 181                     << GDCM_NAME_SPACE::Global::GetTS()->GetValue(ts) << std::endl;
 182
 183           std::cout << "   list of the first " << MAX_NUMBER_OF_DIFFERENCE
 184                     << " bytes differing (pos : original - written) :"
 185                     << std::endl;
 186
 187           for(int i=0, j=0; i<dataSizeFixed && j<MAX_NUMBER_OF_DIFFERENCE; i++)
 188           {
 189              if (abs ((int)imageData[i]-(int)imageDataWritten[i]) > 2)
 190              {
 191                 if (j<MAX_NUMBER_OF_DIFFERENCE)
 192                    std::cout << std::dec << "(" << i << " : "
 193                      << std::hex
 194                      << (int)(imageData[i]) << " - "
 195                      << (int)(imageDataWritten[i]) << ") "
 196                      << std::dec;
 197                 ++j;
 198               }
 199           }
 200           std::cout << std::endl;
 201
 202           file->Delete();
 203           filehelper->Delete();
 204           fileout->Delete();
 205           reread->Delete();
 206           nb_of_failureJPEG___++;
 207
 208           if (nbDiff/2 > 8 )  // last pixel of (DermaColorLossLess.dcm) is diferent. ?!?
 209                               // I don't want it to break the testsuite
 210              return 1;
 211           else
 212              return 0;
 213        }
 214        else
 215        {
 216           std::cout << std::endl << filename << " : some pixels"
 217                     << "  ("
 218                     << PixelType << " bAlloc:" << file->GetBitsAllocated() << " bStored:" << file->GetBitsStored()
 219                     << ") differ +/-1 (as expanded in memory)."
 220                     << std::endl
 221                     << "        compression : "
 222                     << GDCM_NAME_SPACE::Global::GetTS()->GetValue(ts) << std::endl;
 223
 224           std::cout << "   list of the first " << MAX_NUMBER_OF_DIFFERENCE
 225                     << " bytes differing (pos : original - written) :"
 226                     << std::endl;
 227
 228           for(int i=0, j=0; i<dataSizeFixed && j<MAX_NUMBER_OF_DIFFERENCE; i++)
 229           {
 230              if (imageData[i] != imageDataWritten[i])
 231              {
 232                 std::cout << std::hex << "(" << i << " : "
 233                          << std::hex << (int)(imageData[i]) << " - "
 234                          << std::hex << (int)(imageDataWritten[i]) << ") "
 235                          << std::dec;
 236                 ++j;
 237               }
 238           }
 239           std::cout << std::endl;
 240           nb_of_diffPM1JPEG___++;
 241        }
 242    }
 243    else
 244    {
 245       nb_of_successJPEG___ ++;
 246    }
 247    std::cout << "=============== 4...OK." << std::endl ;
 248    //////////////// Clean up:
 249    file->Delete();
 250    filehelper->Delete();
 251    fileout->Delete();
 252    reread->Delete();
 253
 254    return 0;
 255 }
 256
 257 // -------------------------------------------------------------------------------------------
 258
 259 int TestReadWriteJPEGReadCompare(int argc, char *argv[])
 260 {
 261    int result = 0;
 262    nb_of_successJPEG___ = 0;
 263    nb_of_failureJPEG___ = 0;
 264    nb_of_diffPM1JPEG___ = 0;
 265
 266    if (argc == 4)
 267       GDCM_NAME_SPACE::Debug::DebugOn();
 268
 269    if (argc >= 3)
 270    {
 271       const std::string input  = argv[1];
 272       const std::string output = argv[2];
 273       result += CompareInternalJPEG(input, output);
 274    }
 275    else if( argc > 4 || argc == 2 )
 276    {
 277       std::cout << "Please read the manual" << std::endl;
 278    }
 279    else
 280    {
 281       std::cout<< "Test::TestReadWriteJPEGReadCompare: description " << std::endl;
 282       std::cout << "   For all images in gdcmData (and not blacklisted in "
 283                    "Test/CMakeLists.txt)" << std::endl;
 284       std::cout << "   apply the following multistep test: " << std::endl;
 285       std::cout << "   step 1: parse the image (as gdcmFile) and call"
 286                 << " IsReadable(). " << std::endl;
 287       std::cout << "   step 2: write the corresponding image in JPEG DICOM V3 "
 288                 << "with explicit Value Representation " << std::endl
 289                 << "            in temporary file "
 290                 << "TestReadWriteJPEGReadCompare.dcm." << std::endl;
 291       std::cout << "   step 3: read the image written on step2 and call "
 292                 << " IsReadable(). " << std::endl;
 293       std::cout << "   step 4: compare (in memory with memcmp) that the two "
 294                 << "images " << std::endl
 295                 << "           match (as expanded by gdcm)." << std::endl;
 296
 297       int i = 0;
 298       int res =0;
 299       while( gdcmDataImages[i] != 0 )
 300       {
 301          std::string filename = GDCM_DATA_ROOT;
 302          filename += "/";
 303          filename += gdcmDataImages[i];
 304          res = CompareInternalJPEG(filename, "TestReadWriteJPEGReadCompare.dcm");
 305
 306          if (res == 1)
 307          {
 308             std::cout << "=============================== Failure on: " << gdcmDataImages[i] << std::endl;
 309             result ++;
 310          }
 311          i ++;
 312       }
 313    }
 314    std::cout << "==================================" << std::endl;
 315    std::cout << "nb of success  " << nb_of_successJPEG___ << std::endl;
 316    std::cout << "nb of failure  " << nb_of_failureJPEG___ << std::endl;
 317    std::cout << "nb of diff+/-1 " << nb_of_diffPM1JPEG___ << std::endl;
 318    return result;
 319 }