1 /*=========================================================================
4 Module: $RCSfile: exColorToRGB.cxx,v $
6 Date: $Date: 2005/02/09 14:39:48 $
7 Version: $Revision: 1.1 $
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"
27 int main(int argc, char *argv[])
30 std::cout << "------------------------------------------------" << std::endl;
31 std::cout << "Tranforms a full gdcm-readable 'color' Dicom image "
32 << " (e.g Palette Color, YBR, 3-Planes RGB) "
33 << " into an 'RGB_Pixels' Dicom Image "
38 std::cerr << "Usage :" << std::endl <<
39 argv[0] << " input_dicom output_dicom" << std::endl;
43 std::string fileName = argv[1];
44 std::string output = argv[2];
47 // ============================================================
48 // Read the input image.
49 // ============================================================
50 // a gdcm::File contains all the Dicom Field but the Pixels Element
52 gdcm::File *f1= new gdcm::File( fileName );
55 std::cout << argv[1] << std::endl;
57 f1 = new gdcm::File( fileName );
58 if (!f1->IsReadable()) {
59 std::cerr << "Sorry, " << fileName <<" not a gdcm-readable "
64 std::cout << " ... is readable " << std::endl;
67 if (!f1->IsMonochrome()) {
68 std::cerr << "Sorry, " << fileName <<" not a 'color' File "
75 // ============================================================
76 // Load the pixels in memory.
77 // ============================================================
79 // We need a gdcm::FileHelper, since we want to load the pixels
80 gdcm::FileHelper *fh1 = new gdcm::FileHelper(f1);
82 // (unit8_t DOESN'T mean it's mandatory for the image to be a 8 bits one)
84 uint8_t *imageData = fh1->GetImageData();
88 std::cerr << "Sorry, Pixels of" << fileName <<" are not "
89 << " gdcm-readable." << std::endl;
96 // ------ User wants write a new image without shadow groups -------------
97 // ------ without Sequences -------------
100 gdcm::FileHelper *copy = new gdcm::FileHelper( output );
102 gdcm::DocEntry *d = f1->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 = f1->GetNextEntry();
131 // User knows the image is a 'color' one -RGB, YBR, Palette Color-
132 // and wants to write it as RGB
133 copy->SetImageData(imageData, fh1->GetImageDataSize());
134 copy->SetWriteModeToRGB();
136 copy->WriteDcmExplVR( output );