Testing/TestReadWriteJPEG2000ReadCompare.cxx

   1 /*=========================================================================
   2
   3   Program:   gdcm
   4   Module:    $RCSfile: TestReadWriteJPEG2000ReadCompare.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2007/08/30 14:07:33 $
   7   Version:   $Revision: 1.3 $
   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    GDCM_NAME_SPACE::FileHelper *reread = GDCM_NAME_SPACE::FileHelper::New( fileout );
  92
  93    std::cout << "3...";
  94    // For the next step:
  95    int     dataSizeWritten   = reread->GetImageDataRawSize();
  96    uint8_t *imageDataWritten = reread->GetImageDataRaw();
  97
  98    //////////////// Step 4:
  99    // Test the image size
 100    if (file->GetXSize() != reread->GetFile()->GetXSize() ||
 101        file->GetYSize() != reread->GetFile()->GetYSize() ||
 102        file->GetZSize() != reread->GetFile()->GetZSize())
 103    {
 104       std::cout << "Failed" << std::endl
 105          << "        Size differs: "
 106          << "X: " << file->GetXSize() << " # "
 107                   << reread->GetFile()->GetXSize() << " | "
 108          << "Y: " << file->GetYSize() << " # "
 109                   << reread->GetFile()->GetYSize() << " | "
 110          << "Z: " << file->GetZSize() << " # "
 111                   << reread->GetFile()->GetZSize() << std::endl;
 112       file->Delete();
 113       filehelper->Delete();
 114       fileout->Delete();
 115       reread->Delete();
 116       nb_of_failure2000___++;
 117       return 1;
 118    }
 119
 120    // Test the data size
 121    // beware of odd length Pixel Element!
 122    int dataSizeFixed = dataSize + dataSize%2;
 123    int dataSizeWrittenFixed = dataSizeWritten + dataSizeWritten%2;
 124
 125    if (dataSizeFixed != dataSizeWrittenFixed)
 126    {
 127       std::cout << "Failed" << std::endl
 128          << "        Pixel areas lengths differ: "
 129          << dataSize << " # " << dataSizeWritten << std::endl;
 130       file->Delete();
 131       filehelper->Delete();
 132       fileout->Delete();
 133       reread->Delete();
 134       nb_of_failure2000___++;
 135       return 1;
 136    }
 137
 138    // Test the data content
 139    unsigned int j  =0;
 140    unsigned int nbDiff =0;
 141    if (memcmp(imageData, imageDataWritten, dataSizeFixed) !=0)
 142    {
 143       std::string PixelType = filehelper->GetFile()->GetPixelType();
 144       std::string ts        = filehelper->GetFile()->GetTransferSyntax();
 145
 146        for(int i1=0; i1<dataSizeFixed; i1++)
 147          if (abs ((int)imageData[i1]-(int)imageDataWritten[i1]) > 2) {
 148             nbDiff++;
 149            // break; // at debug time; keep line commented out; (uncommenting will save CPU time)
 150          }
 151
 152        if (nbDiff!=0)
 153        {
 154           std::cout << std::endl << filename << " Failed : "
 155                     << nbDiff/(file->GetBitsAllocated()/8) << " pixels -amongst "
 156                     << dataSizeFixed/(file->GetBitsAllocated()/8) << "- ("
 157                     << PixelType << " bAlloc " << file->GetBitsAllocated() << " bStored " << file->GetBitsStored()
 158                     << ") differ (as expanded in memory)."
 159                     << std::endl
 160                     << "        compression : "
 161                     << GDCM_NAME_SPACE::Global::GetTS()->GetValue(ts) << std::endl;
 162
 163           std::cout << "   list of the first " << MAX_NUMBER_OF_DIFFERENCE
 164                     << " bytes differing (pos : original - written) :"
 165                     << std::endl;
 166
 167           for(int i=0, j=0; i<dataSizeFixed && j<MAX_NUMBER_OF_DIFFERENCE; i++)
 168           {
 169              if (abs ((int)imageData[i]-(int)imageDataWritten[i]) > 2)
 170              {
 171                 if (j<MAX_NUMBER_OF_DIFFERENCE)
 172                    std::cout << std::dec << "(" << i << " : "
 173                      << std::hex
 174                      << (int)(imageData[i]) << " - "
 175                      << (int)(imageDataWritten[i]) << ") "
 176                      << std::dec;
 177                 ++j;
 178               }
 179           }
 180           std::cout << std::endl;
 181
 182           file->Delete();
 183           filehelper->Delete();
 184           fileout->Delete();
 185           reread->Delete();
 186           nb_of_failure2000___++;
 187           return 1;
 188        }
 189        else
 190        {
 191           std::cout << std::endl << filename << " : some pixels"
 192                     << "  ("
 193                     << PixelType << " bAlloc " << file->GetBitsAllocated() << " bStored " << file->GetBitsStored()
 194                     << ") differ +/-1 (as expanded in memory)."
 195                     << std::endl
 196                     << "        compression : "
 197                     << GDCM_NAME_SPACE::Global::GetTS()->GetValue(ts) << std::endl;
 198
 199           std::cout << "   list of the first " << MAX_NUMBER_OF_DIFFERENCE
 200                     << " bytes differing (pos : original - written) :"
 201                     << std::endl;
 202
 203           for(int i=0, j=0; i<dataSizeFixed && j<MAX_NUMBER_OF_DIFFERENCE; i++)
 204           {
 205              if (imageData[i] != imageDataWritten[i])
 206              {
 207                 std::cout << std::hex << "(" << i << " : "
 208                          << std::hex << (int)(imageData[i]) << " - "
 209                          << std::hex << (int)(imageDataWritten[i]) << ") "
 210                          << std::dec;
 211                 ++j;
 212               }
 213           }
 214           std::cout << std::endl;
 215           nb_of_diffPM12000___++;
 216        }
 217    }
 218    else
 219    {
 220       nb_of_success2000___ ++;
 221    }
 222    std::cout << "=============== 4...OK." << std::endl ;
 223    //////////////// Clean up:
 224    file->Delete();
 225    filehelper->Delete();
 226    fileout->Delete();
 227    reread->Delete();
 228
 229    return 0;
 230 }
 231
 232 // -------------------------------------------------------------------------------------------
 233
 234 int TestReadWriteJPEG2000ReadCompare(int argc, char *argv[])
 235 {
 236    int result = 0;
 237    nb_of_success2000___ = 0;
 238    nb_of_failure2000___ = 0;
 239    nb_of_diffPM12000___ = 0;
 240
 241    if (argc == 4)
 242       GDCM_NAME_SPACE::Debug::DebugOn();
 243
 244    if (argc >= 3)
 245    {
 246       const std::string input  = argv[1];
 247       const std::string output = argv[2];
 248       result += CompareInternalJPEG2000(input, output);
 249    }
 250    else if( argc > 4 || argc == 2 )
 251    {
 252       std::cout << "Please read the manual" << std::endl;
 253    }
 254    else
 255    {
 256       std::cout<< "Test::TestReadWriteJPEG2000ReadCompare: description " << std::endl;
 257       std::cout << "   For all images in gdcmData (and not blacklisted in "
 258                    "Test/CMakeLists.txt)" << std::endl;
 259       std::cout << "   apply the following multistep test: " << std::endl;
 260       std::cout << "   step 1: parse the image (as gdcmFile) and call"
 261                 << " IsReadable(). " << std::endl;
 262       std::cout << "   step 2: write the corresponding image in JPEG2000 DICOM V3 "
 263                 << "with explicit Value Representation " << std::endl
 264                 << "            in temporary file "
 265                 << "TestReadWriteJPEG2000ReadCompare.dcm." << std::endl;
 266       std::cout << "   step 3: read the image written on step2 and call "
 267                 << " IsReadable(). " << std::endl;
 268       std::cout << "   step 4: compare (in memory with memcmp) that the two "
 269                 << "images " << std::endl
 270                 << "           match (as expanded by gdcm)." << std::endl;
 271
 272       int i = 0;
 273       while( gdcmDataImages[i] != 0 )
 274       {
 275          std::string filename = GDCM_DATA_ROOT;
 276          filename += "/";
 277          filename += gdcmDataImages[i++];
 278          result += CompareInternalJPEG2000(filename, "TestReadWriteJPEG2000ReadCompare.dcm");
 279       }
 280    }
 281    std::cout << "==================================" << std::endl;
 282    std::cout << "nb of success  " << nb_of_success2000___ << std::endl;
 283    std::cout << "nb of failure  " << nb_of_failure2000___ << std::endl;
 284    std::cout << "nb of diff+/-1 " << nb_of_diffPM12000___ << std::endl;
 285    return result;
 286 }