1 /*=========================================================================
4 Module: $RCSfile: exImageLighten.cxx,v $
6 Date: $Date: 2005/08/30 15:13:06 $
7 Version: $Revision: 1.6 $
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 =========================================================================*/
20 #include "gdcmFileHelper.h"
21 #include "gdcmDocument.h"
22 #include "gdcmValEntry.h"
23 #include "gdcmBinEntry.h"
24 #include "gdcmSeqEntry.h"
26 #include <stdlib.h> // for exit
28 int main(int argc, char *argv[])
30 std::cout << "-----------------------------------------------" << std::endl;
31 std::cout << "Removes from a full gdcm-readable Dicom image" << std::endl;
32 std::cout << " all the 'Shadow groups' and the 'Sequence' entries"
33 << " Warning : 'Compressed images' are uncompressed"
35 << " : 'YBR images' are converted into 'RGB images'"
37 << " : 'RGB planes' are converted into 'RGB pixels'"
39 << " : 'Palette Color images' are kept 'as is'"
41 std::cout << "-----------------------------------------------" << std::endl;
45 std::cerr << "Usage " << argv[0] << " Source image.dcm "
46 << " Output image.dcm " << std::endl;
50 std::string fileName = argv[1];
51 std::string output = argv[2];
53 // ============================================================
54 // Read the input image.
55 // ============================================================
57 std::cout << argv[1] << std::endl;
59 gdcm::File *f = new gdcm::File();
60 f->SetLoadMode( gdcm::LD_ALL);
61 f->SetFileName( fileName );
65 std::cerr << "Sorry, " << fileName <<" not a gdcm-readable "
70 std::cout << " ... is readable " << std::endl;
72 // ============================================================
75 // ============================================================
77 // Pixel Reading must be done here, to be sure
78 // to load the Palettes Color (if any)
80 // First, create a gdcm::FileHelper
81 gdcm::FileHelper *fh = new gdcm::FileHelper(f);
83 // Load the pixels, DO NOT transform LUT (if any) into RGB Pixels
84 uint8_t *imageDataRaw = fh->GetImageDataRaw();
85 // Get the image data size
86 size_t dataRawSize = fh->GetImageDataRawSize();
88 // ============================================================
89 // Create a new gdcm::Filehelper, to hold new image.
90 // ============================================================
92 gdcm::FileHelper *copy = new gdcm::FileHelper( );
93 copy->SetFileName( output );
96 // ============================================================
97 // Selective copy of the entries (including Pixel Element).
98 // ============================================================
100 gdcm::DocEntry *d = f->GetFirstEntry();
102 d = f->GetFirstEntry();
105 // We skip SeqEntries, since user cannot do much with them
106 if ( !(dynamic_cast<gdcm::SeqEntry*>(d))
107 // We skip Shadow Groups, since nobody knows what they mean
108 && !( d->GetGroup()%2 ) )
111 if ( gdcm::BinEntry *b = dynamic_cast<gdcm::BinEntry*>(d) )
113 copy->GetFile()->InsertBinEntry( b->GetBinArea(),b->GetLength(),
114 b->GetGroup(),b->GetElement(),
117 else if ( gdcm::ValEntry *v = dynamic_cast<gdcm::ValEntry*>(d) )
119 copy->GetFile()->InsertValEntry( v->GetValue(),
120 v->GetGroup(),v->GetElement(),
125 // We skip gdcm::SeqEntries
128 d = f->GetNextEntry();
131 // User wants to keep the Palette Color -if any-
132 // and write the image as it was
133 copy->SetImageData(imageDataRaw, dataRawSize);
134 copy->SetWriteModeToRaw();
135 copy->WriteDcmExplVR( output );
137 std::cout << std::endl
138 << "------------------------------------------------------------"