1 /*=========================================================================
4 Module: $RCSfile: TestCopyDicom.cxx,v $
6 Date: $Date: 2005/07/08 13:39:57 $
7 Version: $Revision: 1.41 $
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.
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.
17 =========================================================================*/
19 #include "gdcmFileHelper.h"
20 #include "gdcmValEntry.h"
21 #include "gdcmBinEntry.h"
24 #include "gdcmDataImages.h"
26 // return true if the file exists
27 bool FileExists(const char *filename);
28 bool RemoveFile(const char *source);
30 int CopyDicom(std::string const &filename,
31 std::string const &output )
33 std::cout << " Testing: " << filename << std::endl;
34 if( FileExists( output.c_str() ) )
36 if( !RemoveFile( output.c_str() ) )
38 std::cout << "Ouch, the file exist, but I cannot remove it" << std::endl;
43 //////////////// Step 1:
46 gdcm::File *originalH = new gdcm::File( );
47 gdcm::File *copyH = new gdcm::File( );
49 originalH->SetFileName( filename );
51 //First of all copy the file, field by field
53 //////////////// Step 2:
55 gdcm::DocEntry *d=originalH->GetFirstEntry();
58 if ( gdcm::BinEntry *b = dynamic_cast<gdcm::BinEntry*>(d) )
60 copyH->InsertBinEntry( b->GetBinArea(),b->GetLength(),
61 b->GetGroup(),b->GetElement(),
64 else if ( gdcm::ValEntry *v = dynamic_cast<gdcm::ValEntry*>(d) )
66 copyH->InsertValEntry( v->GetValue(),
67 v->GetGroup(),v->GetElement(),
72 // We skip pb of SQ recursive exploration
75 d=originalH->GetNextEntry();
78 gdcm::FileHelper *original = new gdcm::FileHelper( originalH );
79 gdcm::FileHelper *copy = new gdcm::FileHelper( copyH );
81 size_t dataSize = original->GetImageDataSize();
82 uint8_t *imageData = original->GetImageData();
84 // Useless to set the image data, because it's already made when
85 // copying the corresponding BinEntry that contains the pixel data
86 copy->SetImageData(imageData, dataSize);
88 //////////////// Step 3:
90 copy->SetWriteModeToRGB();
91 if( !copy->WriteDcmExplVR(output) )
93 std::cout << " Failed" << std::endl
94 << " " << output << " not written" << std::endl;
107 //////////////// Step 4:
109 copy = new gdcm::FileHelper( output );
111 //Is the file written still gdcm parsable ?
112 if ( !copy->GetFile()->IsReadable() )
114 std::cout << " Failed" << std::endl
115 << " " << output << " not readable" << std::endl;
123 //////////////// Step 5:
125 size_t dataSizeWritten = copy->GetImageDataSize();
126 uint8_t *imageDataWritten = copy->GetImageData();
128 if (dataSize != dataSizeWritten)
130 std::cout << " Failed" << std::endl
131 << " Pixel areas lengths differ: "
132 << dataSize << " # " << dataSizeWritten << std::endl;
141 if (int res = memcmp(imageData, imageDataWritten, dataSize) !=0)
144 std::cout << " Failed" << std::endl
145 << " Pixel differ (as expanded in memory)." << std::endl;
153 std::cout << "OK." << std::endl ;
162 // Here we load a gdcmFile and then try to create from scratch a copy of it,
163 // copying field by field the dicom image
165 int TestCopyDicom(int argc, char *argv[])
169 // The test is specified a specific filename, use it instead of looping
171 const std::string input = argv[1];
172 const std::string reference = argv[2];
173 return CopyDicom( input, reference );
175 else if ( argc > 3 || argc == 2 )
177 std::cout << " Usage: " << argv[0]
178 << " (no arguments needed)." << std::endl;
179 std::cout << "or Usage: " << argv[0]
180 << " filename.dcm reference.dcm" << std::endl;
185 std::cout << " Description (Test::TestCopyDicom): "
187 std::cout << " For all images in gdcmData (and not blacklisted in "
188 "Test/CMakeLists.txt)"
190 std::cout << " apply the following to each filename.xxx: "
192 std::cout << " step 1: parse the image (as gdcmFile) and call"
193 << " IsReadable(). After that, call GetImageData() and "
194 << "GetImageDataSize() "
196 std::cout << " step 2: create a copy of the readed file and the new"
197 << " pixel data are set to the copy"
199 std::cout << " step 3: write the copy of the image"
201 std::cout << " step 4: read the copy and call IsReadable()"
203 std::cout << " step 5: compare (in memory with memcmp) that the two "
204 << "images " << std::endl
205 << " match (as expanded by gdcm)." << std::endl;
206 std::cout << std::endl;
209 int retVal = 0; //by default this is an error
210 while( gdcmDataImages[i] != 0 )
212 std::string filename = GDCM_DATA_ROOT;
213 filename += "/"; //doh!
214 filename += gdcmDataImages[i];
216 std::string output = "output.dcm";
218 if( CopyDicom( filename, output ) != 0 )