X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=Testing%2FTestCopyDicom.cxx;h=38cc73e0198857516abfc82df2d0bf99c8002073;hb=ba78e6c6d47d6db1528e8e88e5ebde7296a26692;hp=0225453919dc50341f12ec1d33418a71f5663b89;hpb=4511c4982e71b3a90859cc7d7cb44e9a6cb588bc;p=gdcm.git diff --git a/Testing/TestCopyDicom.cxx b/Testing/TestCopyDicom.cxx index 02254539..38cc73e0 100644 --- a/Testing/TestCopyDicom.cxx +++ b/Testing/TestCopyDicom.cxx @@ -1,5 +1,33 @@ +/*========================================================================= + + Program: gdcm + Module: $RCSfile: TestCopyDicom.cxx,v $ + Language: C++ + Date: $Date: 2004/12/03 20:16:56 $ + Version: $Revision: 1.25 $ + + 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 "gdcmHeader.h" #include "gdcmFile.h" +#include "gdcmValEntry.h" +#include "gdcmBinEntry.h" + +//Generated file: +#include "gdcmDataImages.h" + +#ifndef _WIN32 +#include //for access, unlink +#else +#include //for _access on Win32 +#endif // return true if the file exists bool FileExists(const char* filename) @@ -28,52 +56,216 @@ bool RemoveFile(const char* source) return unlink(source) != 0 ? false : true; } -// Here we load a gdcmFile and then try to create from scratch a copy of it, -// copying field by field the dicom image - -int TestCopyDicom(int argc, char* argv[]) +int CopyDicom(std::string const & filename, + std::string const & output ) { - if (argc < 3) - { - std::cerr << "Usage :" << std::endl << - argv[0] << " input_dicom output_dicom" << std::endl; - return 1; - } + std::cout << " Testing: " << filename << std::endl; + if( FileExists( output.c_str() ) ) + { + // std::cerr << "Don't try to cheat, I am removing the file anyway" << std::endl; + if( !RemoveFile( output.c_str() ) ) + { + std::cout << "Ouch, the file exist, but I cannot remove it" << std::endl; + return 1; + } + } - if( FileExists( argv[2] ) ) - { - std::cerr << "Don't try to cheat, I am removing the file anyway" << std::endl; - if( !RemoveFile( argv[2] ) ) + //////////////// Step 1: + std::cout << " 1..."; + gdcm::Header *originalH = new gdcm::Header( filename ); + gdcm::Header *copyH = new gdcm::Header( ); + + //First of all copy the header field by field + + // Warning :Accessor gdcmElementSet::GetEntry() should not exist + // It was commented out by Mathieu, that was a *good* idea + // (the user does NOT have to know the way we implemented the Header !) + // Waiting for a 'clean' solution, I keep the method ...JPRx + + + //////////////// Step 2: + std::cout << "2..."; + originalH->Initialize(); + gdcm::DocEntry* d=originalH->GetNextEntry(); + + while(d) + { + if ( gdcm::BinEntry* b = dynamic_cast(d) ) + { + copyH->ReplaceOrCreateByNumber( + b->GetBinArea(), + b->GetLength(), + b->GetGroup(), + b->GetElement(), + b->GetVR() ); + } + else if ( gdcm::ValEntry* v = dynamic_cast(d) ) + { + copyH->ReplaceOrCreateByNumber( + v->GetValue(), + v->GetGroup(), + v->GetElement(), + v->GetVR() ); + } + else + { + // We skip pb of SQ recursive exploration + //std::cout << "Skipped Sequence " + // << "------------- " << d->GetVR() << " "<< std::hex + // << d->GetGroup() << " " << d->GetElement() + // << std::endl; + } + + d=originalH->GetNextEntry(); + } + + gdcm::File *original = new gdcm::File( originalH ); + gdcm::File *copy = new gdcm::File( copyH ); + + size_t dataSize = original->GetImageDataSize(); + uint8_t* imageData = original->GetImageData(); + + // Useless to set the image datas, because it's already made when + // copying the corresponding BinEntry that contains the pixel datas + copy->SetImageData(imageData, dataSize); + + //////////////// Step 3: + std::cout << "3..."; + copy->SetWriteModeToRGB(); + if( !copy->WriteDcmExplVR(output) ) { - std::cerr << "Ouch, the file exist, but I cannot remove it" << std::endl; + std::cout << " Failed" << std::endl + << " " << output << " not written" << std::endl; + + delete original; + delete copy; + delete originalH; + delete copyH; + return 1; } - } - gdcmFile *original = new gdcmFile( argv[1] ); - gdcmFile *copy = new gdcmFile( argv[2] ); - //First of all copy the header field by field - TagNameHT & nameHt = original->GetHeader()->GetPubDict()->GetEntriesByName(); - for (TagNameHT::iterator tag = nameHt.begin(); tag != nameHt.end(); ++tag) - { - std::cerr << "Reading: " << tag->second->GetVR() << std::endl; + delete copy; + delete copyH; - copy->GetHeader()->ReplaceOrCreateByNumber( tag->second->GetVR(), - tag->second->GetGroup(), tag->second->GetElement() ); - } + //////////////// Step 4: + std::cout << "4..."; + copy = new gdcm::File( output ); - size_t dataSize = original->GetImageDataSize(); - void *imageData = original->GetImageData(); + //Is the file written still gdcm parsable ? + if ( !copy->GetHeader()->IsReadable() ) + { + std::cout << " Failed" << std::endl + << " " << output << " not readable" << std::endl; - copy->SetImageData(imageData, dataSize); - //original->GetHeader()->SetImageDataSize(dataSize); + delete original; + delete originalH; - //copy->GetHeader()->PrintEntry(); + return 1; + } - copy->WriteDcmExplVR( argv[2] ); + //////////////// Step 5: + std::cout << "5..."; + size_t dataSizeWritten = copy->GetImageDataSize(); + uint8_t* imageDataWritten = copy->GetImageData(); - return 0; + if (dataSize != dataSizeWritten) + { + std::cout << " Failed" << std::endl + << " Pixel areas lengths differ: " + << dataSize << " # " << dataSizeWritten << std::endl; + + delete original; + delete copy; + delete originalH; + + return 1; + } + + if (int res = memcmp(imageData, imageDataWritten, dataSize) !=0) + { + (void)res; + std::cout << " Failed" << std::endl + << " Pixel differ (as expanded in memory)." << std::endl; + + delete original; + delete copy; + delete originalH; + + return 1; + } + std::cout << "OK." << std::endl ; + + delete original; + delete copy; + delete originalH; + + return 0; } +// Here we load a gdcmFile and then try to create from scratch a copy of it, +// copying field by field the dicom image +int TestCopyDicom(int argc, char* argv[]) +{ + if ( argc == 3 ) + { + // The test is specified a specific filename, use it instead of looping + // over all images + const std::string input = argv[1]; + const std::string reference = argv[2]; + return CopyDicom( input, reference ); + } + else if ( argc > 3 || argc == 2 ) + { + std::cout << " Usage: " << argv[0] + << " (no arguments needed)." << std::endl; + std::cout << "or Usage: " << argv[0] + << " filename.dcm reference.dcm" << std::endl; + return 1; + } + // else other cases: + + std::cout << " Description (Test::TestCopyDicom): " + << std::endl; + std::cout << " For all images in gdcmData (and not blacklisted in " + "Test/CMakeLists.txt)" + << std::endl; + std::cout << " apply the following to each filename.xxx: " + << std::endl; + std::cout << " step 1: parse the image (as gdcmHeader) and call" + << " IsReadable(). After that, call GetImageData() and " + << "GetImageDataSize() " + << std::endl; + std::cout << " step 2: create a copy of the readed file and the new" + << " pixel datas are set to the copy" + << std::endl; + std::cout << " step 3: write the copy of the image" + << std::endl; + std::cout << " step 4: read the copy and call IsReadable()" + << std::endl; + std::cout << " step 5: compare (in memory with memcmp) that the two " + << "images " << std::endl + << " match (as expanded by gdcm)." << std::endl; + std::cout << std::endl; + + int i =0; + int retVal = 0; //by default this is an error + while( gdcmDataImages[i] != 0 ) + { + std::string filename = GDCM_DATA_ROOT; + filename += "/"; //doh! + filename += gdcmDataImages[i]; + + std::string output = "output.dcm"; + + if( CopyDicom( filename, output ) != 0 ) + { + retVal++; + } + + i++; + } + return retVal; +}