1 /*=========================================================================
4 Module: $RCSfile: TestCopyDicom.cxx,v $
6 Date: $Date: 2005/02/09 15:31:15 $
7 Version: $Revision: 1.40 $
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:
45 gdcm::File *originalH = new gdcm::File( filename );
46 gdcm::File *copyH = new gdcm::File( );
48 //First of all copy the file, field by field
50 //////////////// Step 2:
52 gdcm::DocEntry *d=originalH->GetFirstEntry();
55 if ( gdcm::BinEntry *b = dynamic_cast<gdcm::BinEntry*>(d) )
57 copyH->InsertBinEntry( b->GetBinArea(),b->GetLength(),
58 b->GetGroup(),b->GetElement(),
61 else if ( gdcm::ValEntry *v = dynamic_cast<gdcm::ValEntry*>(d) )
63 copyH->InsertValEntry( v->GetValue(),
64 v->GetGroup(),v->GetElement(),
69 // We skip pb of SQ recursive exploration
72 d=originalH->GetNextEntry();
75 gdcm::FileHelper *original = new gdcm::FileHelper( originalH );
76 gdcm::FileHelper *copy = new gdcm::FileHelper( copyH );
78 size_t dataSize = original->GetImageDataSize();
79 uint8_t *imageData = original->GetImageData();
81 // Useless to set the image data, because it's already made when
82 // copying the corresponding BinEntry that contains the pixel data
83 copy->SetImageData(imageData, dataSize);
85 //////////////// Step 3:
87 copy->SetWriteModeToRGB();
88 if( !copy->WriteDcmExplVR(output) )
90 std::cout << " Failed" << std::endl
91 << " " << output << " not written" << std::endl;
104 //////////////// Step 4:
106 copy = new gdcm::FileHelper( output );
108 //Is the file written still gdcm parsable ?
109 if ( !copy->GetFile()->IsReadable() )
111 std::cout << " Failed" << std::endl
112 << " " << output << " not readable" << std::endl;
120 //////////////// Step 5:
122 size_t dataSizeWritten = copy->GetImageDataSize();
123 uint8_t *imageDataWritten = copy->GetImageData();
125 if (dataSize != dataSizeWritten)
127 std::cout << " Failed" << std::endl
128 << " Pixel areas lengths differ: "
129 << dataSize << " # " << dataSizeWritten << std::endl;
138 if (int res = memcmp(imageData, imageDataWritten, dataSize) !=0)
141 std::cout << " Failed" << std::endl
142 << " Pixel differ (as expanded in memory)." << std::endl;
150 std::cout << "OK." << std::endl ;
159 // Here we load a gdcmFile and then try to create from scratch a copy of it,
160 // copying field by field the dicom image
162 int TestCopyDicom(int argc, char *argv[])
166 // The test is specified a specific filename, use it instead of looping
168 const std::string input = argv[1];
169 const std::string reference = argv[2];
170 return CopyDicom( input, reference );
172 else if ( argc > 3 || argc == 2 )
174 std::cout << " Usage: " << argv[0]
175 << " (no arguments needed)." << std::endl;
176 std::cout << "or Usage: " << argv[0]
177 << " filename.dcm reference.dcm" << std::endl;
182 std::cout << " Description (Test::TestCopyDicom): "
184 std::cout << " For all images in gdcmData (and not blacklisted in "
185 "Test/CMakeLists.txt)"
187 std::cout << " apply the following to each filename.xxx: "
189 std::cout << " step 1: parse the image (as gdcmFile) and call"
190 << " IsReadable(). After that, call GetImageData() and "
191 << "GetImageDataSize() "
193 std::cout << " step 2: create a copy of the readed file and the new"
194 << " pixel data are set to the copy"
196 std::cout << " step 3: write the copy of the image"
198 std::cout << " step 4: read the copy and call IsReadable()"
200 std::cout << " step 5: compare (in memory with memcmp) that the two "
201 << "images " << std::endl
202 << " match (as expanded by gdcm)." << std::endl;
203 std::cout << std::endl;
206 int retVal = 0; //by default this is an error
207 while( gdcmDataImages[i] != 0 )
209 std::string filename = GDCM_DATA_ROOT;
210 filename += "/"; //doh!
211 filename += gdcmDataImages[i];
213 std::string output = "output.dcm";
215 if( CopyDicom( filename, output ) != 0 )