1 /*=========================================================================
4 Module: $RCSfile: exColorToRGB.cxx,v $
6 Date: $Date: 2005/10/25 14:52:27 $
7 Version: $Revision: 1.9 $
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 "gdcmDataEntry.h"
23 #include "gdcmSeqEntry.h"
25 #include <stdlib.h> // for exit
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 std::cout << argv[1] << std::endl;
54 gdcm::File *f = gdcm::File::New();
55 f->SetLoadMode( gdcm::LD_ALL);
56 f->SetFileName( fileName );
61 std::cerr << "Sorry, " << fileName <<" not a gdcm-readable "
67 std::cout << " ... is readable " << std::endl;
70 if (!f->IsMonochrome())
72 std::cerr << "Sorry, " << fileName <<" not a 'color' File "
80 // ============================================================
81 // Load the pixels in memory.
82 // ============================================================
84 // We need a gdcm::FileHelper, since we want to load the pixels
85 gdcm::FileHelper *fh = gdcm::FileHelper::New(f);
87 // uint8_t DOESN'T mean it's mandatory for the image to be a 8 bits one !
88 // It's just for prototyping.
89 // Feel free to cast it.
91 uint8_t *imageData = fh->GetImageData();
95 std::cerr << "Sorry, Pixels of" << fileName <<" are not "
96 << " gdcm-readable." << std::endl;
102 // ------ User wants write a new image without shadow groups -------------
103 // ------ without Sequences -------------
106 gdcm::FileHelper *copy = gdcm::FileHelper::New( );
107 copy->SetFileName( output );
110 gdcm::DocEntry *d = f->GetFirstEntry();
113 // We skip SeqEntries, since user cannot do much with them
114 if ( !(dynamic_cast<gdcm::SeqEntry*>(d))
115 // We skip Shadow Groups, since nobody knows what they mean
116 && !( d->GetGroup()%2 ) )
119 if ( gdcm::DataEntry *de = dynamic_cast<gdcm::DataEntry *>(d) )
121 copy->GetFile()->InsertEntryBinArea( de->GetBinArea(),de->GetLength(),
122 de->GetGroup(),de->GetElement(),
127 // We skip gdcm::SeqEntries
130 d = f->GetNextEntry();
133 // User knows the image is a 'color' one -RGB, YBR, Palette Color-
134 // and wants to write it as RGB
135 copy->SetImageData(imageData, fh->GetImageDataSize());
136 copy->SetWriteModeToRGB();
138 copy->WriteDcmExplVR( output );