--- /dev/null
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: TestReadWriteJPEG2000ReadCompare.cxx,v $
+ Language: C++
+ Date: $Date: 2007/08/30 11:29:03 $
+ Version: $Revision: 1.1 $
+
+ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
+ l'Image). All rights reserved. See Doc/License.txt or
+ http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
+
+ This software is distributed WITHOUT ANY WARRANTY; without even
+ the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ PURPOSE. See the above copyright notices for more information.
+
+=========================================================================*/
+#include "gdcmFile.h"
+#include "gdcmFileHelper.h"
+#include "gdcmDebug.h"
+
+#include "gdcmGlobal.h"
+#include "gdcmTS.h"
+
+//Generated file:
+#include "gdcmDataImages.h"
+
+
+const unsigned int MAX_NUMBER_OF_DIFFERENCE = 10;
+
+int nb_of_success2000___;
+int nb_of_failure2000___;
+int nb_of_diffPM12000___;
+static int CompareInternalJPEG2000(std::string const &filename, std::string const &output)
+{
+ std::cout << "----------------------------------------------------------------------" << std::endl
+ << " Testing: " << filename << std::endl;
+
+ //////////////// Step 1 (see above description):
+
+ GDCM_NAME_SPACE::File *file = GDCM_NAME_SPACE::File::New( );
+ file->SetFileName( filename );
+ file->Load ();
+ if( !file->IsReadable() )
+ {
+ std::cout << "Failed" << std::endl
+ << "Test::TestReadWriteJPEG2000ReadCompare: Image not gdcm compatible:"
+ << filename << std::endl;
+ file->Delete();
+ nb_of_failure2000___++;
+ return 1;
+ }
+ std::cout << " step 1...";
+
+ //////////////// Step 2:
+ GDCM_NAME_SPACE::FileHelper *filehelper = GDCM_NAME_SPACE::FileHelper::New( file );
+ int dataSize = filehelper->GetImageDataRawSize();
+ uint8_t *imageData = filehelper->GetImageDataRaw(); //EXTREMELY IMPORTANT
+ // Sure, it is : It's up to the user to decide if he wants to
+ // GetImageData or if he wants to GetImageDataRaw
+ // (even if we do it by setting a flag, *he* will have to decide)
+
+ //filehelper->SetImageData(imageData, dataSize);
+
+ filehelper->SetContentType(GDCM_NAME_SPACE::UNMODIFIED_PIXELS_IMAGE); // lossless compression : pixels reain unimpared
+ filehelper->SetWriteModeToRaw();
+ filehelper->SetWriteTypeToJPEG2000( );
+
+ filehelper->SetUserData(imageData,dataSize); // This one ensures the compression
+ filehelper->Write( output );
+
+ std::cout << "2...";
+
+ //////////////// Step 3:
+ GDCM_NAME_SPACE::File *fileout = GDCM_NAME_SPACE::File::New();
+ fileout->SetFileName( output );
+ fileout->Load();
+
+ if( !fileout->IsReadable() )
+ {
+ std::cout << "Failed" << std::endl
+ << "Test::TestReadWriteJPEG2000ReadCompare: Could not parse the newly "
+ << "written image:" << filename << std::endl;
+ file->Delete();
+ filehelper->Delete();
+ fileout->Delete();
+ nb_of_failure2000___++;
+ return 1;
+ }
+
+ GDCM_NAME_SPACE::FileHelper *reread = GDCM_NAME_SPACE::FileHelper::New( fileout );
+
+ std::cout << "3...";
+ // For the next step:
+ int dataSizeWritten = reread->GetImageDataRawSize();
+ uint8_t *imageDataWritten = reread->GetImageDataRaw();
+
+ //////////////// Step 4:
+ // Test the image size
+ if (file->GetXSize() != reread->GetFile()->GetXSize() ||
+ file->GetYSize() != reread->GetFile()->GetYSize() ||
+ file->GetZSize() != reread->GetFile()->GetZSize())
+ {
+ std::cout << "Failed" << std::endl
+ << " Size differs: "
+ << "X: " << file->GetXSize() << " # "
+ << reread->GetFile()->GetXSize() << " | "
+ << "Y: " << file->GetYSize() << " # "
+ << reread->GetFile()->GetYSize() << " | "
+ << "Z: " << file->GetZSize() << " # "
+ << reread->GetFile()->GetZSize() << std::endl;
+ file->Delete();
+ filehelper->Delete();
+ fileout->Delete();
+ reread->Delete();
+ nb_of_failure2000___++;
+ return 1;
+ }
+
+ // Test the data size
+ // beware of odd length Pixel Element!
+ int dataSizeFixed = dataSize + dataSize%2;
+ int dataSizeWrittenFixed = dataSizeWritten + dataSizeWritten%2;
+
+ if (dataSizeFixed != dataSizeWrittenFixed)
+ {
+ std::cout << "Failed" << std::endl
+ << " Pixel areas lengths differ: "
+ << dataSize << " # " << dataSizeWritten << std::endl;
+ file->Delete();
+ filehelper->Delete();
+ fileout->Delete();
+ reread->Delete();
+ nb_of_failure2000___++;
+ return 1;
+ }
+
+ // Test the data content
+
+ if (memcmp(imageData, imageDataWritten, dataSizeFixed) !=0)
+ {
+ std::string PixelType = filehelper->GetFile()->GetPixelType();
+ std::string ts = filehelper->GetFile()->GetTransferSyntax();
+
+ unsigned int j =0;
+ for(int i1=0; i1<dataSizeFixed; i1++)
+ {
+ if (abs ((int)imageData[i1]-(int)imageDataWritten[i1]) > 2)
+ {
+ j=1;
+ break;
+ }
+ }
+
+ if (j!=0)
+ {
+ std::cout << " Failed" << std::endl
+ << " pixel ("
+ << PixelType
+ << ") differ (as expanded in memory)."
+ << std::endl
+ << " compression : "
+ << GDCM_NAME_SPACE::Global::GetTS()->GetValue(ts) << std::endl;
+
+ std::cout << " list of the first " << MAX_NUMBER_OF_DIFFERENCE
+ << " pixels differing (pos : original - written) :"
+ << std::endl;
+
+ for(int i=0, j=0; i<dataSizeFixed && j<MAX_NUMBER_OF_DIFFERENCE; i++)
+ {
+ if (abs ((int)imageData[i]-(int)imageDataWritten[i]) > 2)
+ {
+ std::cout << std::hex << "(" << i << " : "
+ << std::hex << (int)(imageData[i]) << " - "
+ << std::hex << (int)(imageDataWritten[i]) << ") "
+ << std::dec;
+ ++j;
+ }
+ }
+ std::cout << std::endl;
+
+ file->Delete();
+ filehelper->Delete();
+ fileout->Delete();
+ reread->Delete();
+ nb_of_failure2000___++;
+ return 1;
+ }
+ else
+ {
+ std::cout << " some pixels" << std::endl
+ << " ("
+ << PixelType
+ << ") differ +/-1 (as expanded in memory)."
+ << std::endl
+ << " compression : "
+ << GDCM_NAME_SPACE::Global::GetTS()->GetValue(ts) << std::endl;
+
+ std::cout << " list of the first " << MAX_NUMBER_OF_DIFFERENCE
+ << " pixels differing (pos : original - written) :"
+ << std::endl;
+
+ for(int i=0, j=0; i<dataSizeFixed && j<MAX_NUMBER_OF_DIFFERENCE; i++)
+ {
+ if (imageData[i] != imageDataWritten[i])
+ {
+ std::cout << std::hex << "(" << i << " : "
+ << std::hex << (int)(imageData[i]) << " - "
+ << std::hex << (int)(imageDataWritten[i]) << ") "
+ << std::dec;
+ ++j;
+ }
+ }
+ std::cout << std::endl;
+ nb_of_diffPM12000___++;
+ }
+ }
+ else
+ {
+ nb_of_success2000___ ++;
+ }
+ std::cout << "=============== 4...OK." << std::endl ;
+ //////////////// Clean up:
+ file->Delete();
+ filehelper->Delete();
+ fileout->Delete();
+ reread->Delete();
+
+ return 0;
+}
+
+// -------------------------------------------------------------------------------------------
+
+int TestReadWriteJPEG2000ReadCompare(int argc, char *argv[])
+{
+ int result = 0;
+ nb_of_success2000___ = 0;
+ nb_of_failure2000___ = 0;
+ nb_of_diffPM12000___ = 0;
+
+ if (argc == 4)
+ GDCM_NAME_SPACE::Debug::DebugOn();
+
+ if (argc >= 3)
+ {
+ const std::string input = argv[1];
+ const std::string output = argv[2];
+ result += CompareInternalJPEG2000(input, output);
+ }
+ else if( argc > 4 || argc == 2 )
+ {
+ std::cout << "Please read the manual" << std::endl;
+ }
+ else
+ {
+ std::cout<< "Test::TestReadWriteJPEG2000ReadCompare: description " << std::endl;
+ std::cout << " For all images in gdcmData (and not blacklisted in "
+ "Test/CMakeLists.txt)" << std::endl;
+ std::cout << " apply the following multistep test: " << std::endl;
+ std::cout << " step 1: parse the image (as gdcmFile) and call"
+ << " IsReadable(). " << std::endl;
+ std::cout << " step 2: write the corresponding image in JPEG2000 DICOM V3 "
+ << "with explicit Value Representation " << std::endl
+ << " in temporary file "
+ << "TestReadWriteJPEG2000ReadCompare.dcm." << std::endl;
+ std::cout << " step 3: read the image written on step2 and call "
+ << " IsReadable(). " << std::endl;
+ std::cout << " step 4: compare (in memory with memcmp) that the two "
+ << "images " << std::endl
+ << " match (as expanded by gdcm)." << std::endl;
+
+ int i = 0;
+ while( gdcmDataImages[i] != 0 )
+ {
+ std::string filename = GDCM_DATA_ROOT;
+ filename += "/";
+ filename += gdcmDataImages[i++];
+ result += CompareInternalJPEG2000(filename, "TestReadWriteJPEG2000ReadCompare.dcm");
+ }
+ }
+ std::cout << "==================================" << std::endl;
+ std::cout << "nb of success " << nb_of_success2000___ << std::endl;
+ std::cout << "nb of failure " << nb_of_failure2000___ << std::endl;
+ std::cout << "nb of diff+/-1 " << nb_of_diffPM12000___ << std::endl;
+ return result;
+}
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