-#include "gdcmHeader.h"
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: TestCopyDicom.cxx,v $
+ Language: C++
+ Date: $Date: 2005/10/21 08:35:49 $
+ Version: $Revision: 1.43 $
+
+ 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 "gdcmDataEntry.h"
+
+//Generated file:
+#include "gdcmDataImages.h"
// return true if the file exists
-bool FileExists(const char* filename)
-{
-#ifdef _MSC_VER
-# define access _access
-#endif
-#ifndef R_OK
-# define R_OK 04
-#endif
- if ( access(filename, R_OK) != 0 )
- {
- return false;
- }
- else
- {
- return true;
- }
-}
+bool FileExists(const char *filename);
+bool RemoveFile(const char *source);
-bool RemoveFile(const char* source)
+int CopyDicom(std::string const &filename,
+ std::string const &output )
{
-#ifdef _MSC_VER
-#define _unlink unlink
-#endif
- return unlink(source) != 0 ? false : true;
-}
+ std::cout << " Testing: " << filename << std::endl;
+ if( FileExists( output.c_str() ) )
+ {
+ if( !RemoveFile( output.c_str() ) )
+ {
+ std::cout << "Ouch, the file exist, but I cannot remove it" << std::endl;
+ return 1;
+ }
+ }
-// Here we load a gdcmFile and then try to create from scratch a copy of it,
-// copying field by field the dicom image
+ //////////////// Step 1:
+ std::cout << " 1...";
+
+ gdcm::File *originalH = new gdcm::File( );
+ gdcm::File *copyH = new gdcm::File( );
-int TestCopyDicom(int argc, char* argv[])
-{
- if (argc < 3)
- {
- std::cerr << "Usage :" << std::endl <<
- argv[0] << " input_dicom output_dicom" << std::endl;
- return 1;
- }
+ originalH->SetFileName( filename );
+ originalH->Load( );
+ //First of all copy the file, field by field
- if( FileExists( argv[2] ) )
- {
- std::cerr << "Don't try to cheat, I am removing the file anyway" << std::endl;
- if( !RemoveFile( argv[2] ) )
+ //////////////// Step 2:
+ std::cout << "2...";
+ gdcm::DocEntry *d=originalH->GetFirstEntry();
+ while(d)
{
- std::cerr << "Ouch, the file exist, but I cannot remove it" << std::endl;
+ if ( gdcm::DataEntry *de = dynamic_cast<gdcm::DataEntry *>(d) )
+ {
+ copyH->InsertEntryBinArea( de->GetBinArea(),de->GetLength(),
+ de->GetGroup(),de->GetElement(),
+ de->GetVR() );
+ }
+ else
+ {
+ // We skip pb of SQ recursive exploration
+ }
+
+ d=originalH->GetNextEntry();
+ }
+
+ gdcm::FileHelper *original = new gdcm::FileHelper( originalH );
+ gdcm::FileHelper *copy = new gdcm::FileHelper( copyH );
+
+ size_t dataSize = original->GetImageDataSize();
+ uint8_t *imageData = original->GetImageData();
+
+ // Useless to set the image data, because it's already made when
+ // copying the corresponding DataEntry that contains the pixel data
+
+ // --> FIXME : Why do we let the following line?
+ // to avoid compile time warnings?
+ copy->SetImageData(imageData, dataSize);
+
+ //////////////// 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;
}
- }
- 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::FileHelper( output );
+
+ //Is the file written still gdcm parsable ?
+ if ( !copy->GetFile()->IsReadable() )
+ {
+ 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;
- size_t dataSize = original->GetImageDataSize();
- void *imageData = original->GetImageData();
+ delete original;
+ delete copy;
+ delete originalH;
- copy->SetImageData(imageData, dataSize);
- //original->GetHeader()->SetImageDataSize(dataSize);
+ return 1;
+ }
- //copy->GetHeader()->PrintEntry();
+ if (int res = memcmp(imageData, imageDataWritten, dataSize) !=0)
+ {
+ (void)res;
+ std::cout << " Failed" << std::endl
+ << " Pixel differ (as expanded in memory)." << std::endl;
- copy->WriteDcmExplVR( argv[2] );
+ delete original;
+ delete copy;
+ delete originalH;
- return 0;
+ 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;
+}