-#include "gdcmHeader.h"
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: TestCopyDicom.cxx,v $
+ Language: C++
+ Date: $Date: 2005/02/02 10:05:26 $
+ Version: $Revision: 1.38 $
+
+ 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 "gdcmDocument.h"
+#include "gdcmFileHelper.h"
#include "gdcmValEntry.h"
#include "gdcmBinEntry.h"
#ifndef _WIN32
#include <unistd.h> //for access, unlink
+#else
+#include <io.h> //for _access on Win32
#endif
// return true if the file exists
}
}
-bool RemoveFile(const char* source)
+bool RemoveFile(const char *source)
{
#ifdef _MSC_VER
#define _unlink unlink
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 , char* [])
+int CopyDicom(std::string const &filename,
+ std::string const &output )
{
- 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::cerr << "Filename: " << filename << std::endl;
-
- std::string output = "../Testing/Temporary/output.dcm";
-
+ 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::cerr << "Ouch, the file exist, but I cannot remove it" << std::endl;
+ std::cout << "Ouch, the file exist, but I cannot remove it" << std::endl;
return 1;
}
}
- gdcmFile *original = new gdcmFile( filename );
- gdcmFile *copy = new gdcmFile( output );
+ //////////////// Step 1:
+ std::cout << " 1...";
+ gdcm::File *originalH = new gdcm::File( filename );
+ gdcm::File *copyH = new gdcm::File( );
- TagDocEntryHT & Ht = original->GetHeader()->GetEntry();
+ //First of all copy the file, field by field
- //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
-
- TagNameHT & nameHt = original->GetHeader()->GetPubDict()->GetEntriesByName();
-
- gdcmValEntry* v;
- gdcmBinEntry* b;
- gdcmDocEntry* d;
-
- for (TagDocEntryHT::iterator tag = Ht.begin(); tag != Ht.end(); ++tag)
+ //////////////// Step 2:
+ std::cout << "2...";
+ gdcm::DocEntry *d=originalH->GetFirstEntry();
+ while(d)
{
- d = tag->second;
-
- if ( gdcmBinEntry* b = dynamic_cast<gdcmBinEntry*>(d) )
- {
- // for private elements, the gdcmDictEntry is unknown
- // and it's VR is unpredictable ...
- // ( In *this* case ReplaceOrCreateByNumber
- // should have a knowledge of the virtual dictionary
- // gdcmDictSet::VirtualEntry )
- // ReplaceOrCreateByNumber may now receive the VR of the source Entry
- // as a extra parameter
- //
- //if ( d->GetGroup()%2 == 1) // Skip private Entries
- // continue;
-
- // TODO :write ReplaceOrCreateByNumber with VR,
- // for BinEntries as well!
-
- copy->GetHeader()->ReplaceOrCreateByNumber(
- b->GetVoidArea(),
- b->GetLength(),
- b->GetGroup(),
- b->GetElement() );
- }
- else if ( gdcmValEntry* v = dynamic_cast<gdcmValEntry*>(d) )
- {
- if ( d->GetGroup()%2 != 1)
- {
- copy->GetHeader()->ReplaceOrCreateByNumber(
- v->GetValue(),
- v->GetGroup(),
- v->GetElement() );
- }
- else
- {
- copy->GetHeader()->ReplaceOrCreateByNumber(
- v->GetValue(),
- v->GetGroup(),
- v->GetElement(),
- v->GetVR() );
- }
+ if ( gdcm::BinEntry *b = dynamic_cast<gdcm::BinEntry*>(d) )
+ {
+ copyH->InsertBinEntry( b->GetBinArea(),b->GetLength(),
+ b->GetGroup(),b->GetElement(),
+ b->GetVR() );
+ }
+ else if ( gdcm::ValEntry *v = dynamic_cast<gdcm::ValEntry*>(d) )
+ {
+ copyH->InsertValEntry( 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::FileHelper *original = new gdcm::FileHelper( originalH );
+ gdcm::FileHelper *copy = new gdcm::FileHelper( copyH );
+
size_t dataSize = original->GetImageDataSize();
- void *imageData = original->GetImageData();
+ uint8_t *imageData = original->GetImageData();
+ // Useless to set the image data, because it's already made when
+ // copying the corresponding BinEntry that contains the pixel data
copy->SetImageData(imageData, dataSize);
- original->GetHeader()->SetImageDataSize(dataSize);
- copy->WriteDcmExplVR( output );
+ //////////////// Step 3:
+ std::cout << "3...";
+ copy->SetWriteModeToRGB();
+ if( !copy->WriteDcmExplVR(output) )
+ {
+ std::cout << " Failed" << std::endl
+ << " " << output << " not written" << std::endl;
+
+ delete original;
+ delete copy;
+ delete originalH;
+ delete copyH;
+
+ return 1;
+ }
- delete original;
delete copy;
+ delete copyH;
- copy = new gdcmFile( output );
+ //////////////// Step 4:
+ std::cout << "4...";
+ copy = new gdcm::FileHelper( output );
//Is the file written still gdcm parsable ?
- if ( !copy->GetHeader()->IsReadable() )
+ if ( !copy->GetFile()->IsReadable() )
{
- retVal +=1;
- std::cout << output << " Failed" << std::endl;
+ std::cout << " Failed" << std::endl
+ << " " << output << " not readable" << std::endl;
+
+ delete original;
+ delete originalH;
+
+ return 1;
+ }
+
+ //////////////// Step 5:
+ std::cout << "5...";
+ size_t dataSizeWritten = copy->GetImageDataSize();
+ uint8_t *imageDataWritten = copy->GetImageData();
+
+ 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 gdcmFile) 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 data 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;