5 #include "gdcmElValSet.h"
10 TagElValueHT & gdcmElValSet::GetTagHt(void) {
14 void gdcmElValSet::Add(gdcmElValue * newElValue) {
15 tagHt [newElValue->GetKey()] = newElValue;
16 NameHt[newElValue->GetName()] = newElValue;
19 void gdcmElValSet::Print(ostream & os) {
20 for (TagElValueHT::iterator tag = tagHt.begin();
23 os << tag->first << ": ";
24 os << "[" << tag->second->GetValue() << "]";
25 os << "[" << tag->second->GetName() << "]";
26 os << "[" << tag->second->GetVR() << "]";
27 os << " lgr : " << tag->second->GetLength();
32 void gdcmElValSet::PrintByName(ostream & os) {
33 for (TagElValueNameHT::iterator tag = NameHt.begin();
36 os << tag->first << ": ";
37 os << "[" << tag->second->GetValue() << "]";
38 os << "[" << tag->second->GetKey() << "]";
39 os << "[" << tag->second->GetVR() << "]" << endl;
43 gdcmElValue* gdcmElValSet::GetElementByNumber(guint16 group, guint16 element) {
44 TagKey key = gdcmDictEntry::TranslateToKey(group, element);
45 if ( ! tagHt.count(key))
46 return (gdcmElValue*)0;
47 return tagHt.find(key)->second;
50 gdcmElValue* gdcmElValSet::GetElementByName(string TagName) {
51 if ( ! NameHt.count(TagName))
52 return (gdcmElValue*)0;
53 return NameHt.find(TagName)->second;
56 string gdcmElValSet::GetElValueByNumber(guint16 group, guint16 element) {
57 TagKey key = gdcmDictEntry::TranslateToKey(group, element);
58 if ( ! tagHt.count(key))
59 return "gdcm::Unfound";
60 return tagHt.find(key)->second->GetValue();
63 string gdcmElValSet::GetElValueByName(string TagName) {
64 if ( ! NameHt.count(TagName))
65 return "gdcm::Unfound";
66 return NameHt.find(TagName)->second->GetValue();
70 int gdcmElValSet::SetElValueByNumber(string content,
71 guint16 group, guint16 element) {
72 TagKey key = gdcmDictEntry::TranslateToKey(group, element);
73 if ( ! tagHt.count(key))
75 tagHt[key]->SetValue(content);
76 tagHt[key]->SetLength(content.length());
80 int gdcmElValSet::SetElValueByName(string content, string TagName) {
81 if ( ! NameHt.count(TagName))
83 NameHt[TagName]->SetValue(content);
84 NameHt[TagName]->SetLength(content.length());
89 * \ingroup gdcmElValSet
90 * \brief Generate a free TagKey i.e. a TagKey that is not present
91 * in the TagHt dictionary.
92 * @param group The generated tag must belong to this group.
93 * @return The element of tag with given group which is fee.
95 guint32 gdcmElValSet::GenerateFreeTagKeyInGroup(guint16 group) {
96 for (guint32 elem = 0; elem < UINT32_MAX; elem++) {
97 TagKey key = gdcmDictEntry::TranslateToKey(group, elem);
98 if (tagHt.count(key) == 0)
104 int gdcmElValSet::SetElValueLengthByNumber(guint32 length,
105 guint16 group, guint16 element) {
106 TagKey key = gdcmDictEntry::TranslateToKey(group, element);
107 if ( ! tagHt.count(key))
109 tagHt[key]->SetLength(length);
114 int gdcmElValSet::SetElValueLengthByName(guint32 length, string TagName) {
115 if ( ! NameHt.count(TagName))
117 NameHt.find(TagName)->second->SetLength(length);
123 void gdcmElValSet::UpdateGroupLength(bool SkipSequence, FileType type) {
135 for (TagElValueHT::iterator tag2 = tagHt.begin();
140 gr = elem->GetGroup();
141 el = elem->GetElement();
144 sprintf(trash, "%04x", gr);
147 if (SkipSequence && vr == "SQ") continue;
148 // pas SEQUENCE en ACR-NEMA
149 // WARNING : pb CERTAIN
150 // si on est descendu 'a l'interieur' des SQ
152 // --> la descente a l'interieur' des SQ
153 // devra etre faite avec une liste chainee, pas avec une HTable...
155 if ( groupHt.count(key) == 0) {
159 groupHt[key] =2 + 2 + 4 + elem->GetLength();
162 if (type = ExplicitVR) {
163 if ( (vr == "OB") || (vr == "OW") || (vr == "SQ") ) {
167 groupHt[key] += 2 + 2 + 4 + elem->GetLength();
171 unsigned short int gr_bid;
173 for (GroupHT::iterator g = groupHt.begin();
177 tk = g->first + "|0000";
178 sscanf(g->first.c_str(),"%x",&gr_bid);
180 if ( tagHt.count(tk) == 0) {
181 gdcmDictEntry * tagZ = new gdcmDictEntry(gr_bid, 0x0000, "UL");
182 elemZ = new gdcmElValue(tagZ);
186 elemZ=GetElementByNumber(gr_bid, 0x0000);
189 elemZ->SetValue(str_trash);
196 void gdcmElValSet::WriteElements(FileType type, FILE * _fp) {
204 vector<string> tokens;
208 // Tout ceci ne marche QUE parce qu'on est sur un proc Little Endian
209 // restent à tester les echecs en écriture (apres chaque fwrite)
211 for (TagElValueHT::iterator tag2=tagHt.begin();
215 gr = tag2->second->GetGroup();
216 el = tag2->second->GetElement();
217 lgr = tag2->second->GetLength();
218 val = tag2->second->GetValue().c_str();
219 vr = tag2->second->GetVR();
220 if(DEBUG)printf ("%04x %04x [%s] : [%s]\n",gr, el, vr.c_str(), val);
223 if (gr < 0x0008) continue;
225 if (vr == "SQ" ) continue;
228 fwrite ( &gr,(size_t)2 ,(size_t)1 ,_fp); //group
229 fwrite ( &el,(size_t)2 ,(size_t)1 ,_fp); //element
231 if ( (type == ExplicitVR) && (gr <= 0x0002) ) {
232 // On est en EXPLICIT VR
233 guint16 z=0, shortLgr;
234 fwrite (vr.c_str(),(size_t)2 ,(size_t)1 ,_fp);
236 if ( (vr == "OB") || (vr == "OW") || (vr == "SQ") ) {
237 fwrite ( &z, (size_t)2 ,(size_t)1 ,_fp);
238 fwrite ( &lgr,(size_t)4 ,(size_t)1 ,_fp);
242 fwrite ( &shortLgr,(size_t)2 ,(size_t)1 ,_fp);
245 fwrite ( &lgr,(size_t)4 ,(size_t)1 ,_fp);
248 tokens.erase(tokens.begin(),tokens.end());
249 Tokenize (tag2->second->GetValue(), tokens, "\\");
251 if (vr == "US" || vr == "SS") {
252 for (unsigned int i=0; i<tokens.size();i++) {
253 val_uint16 = atoi(tokens[i].c_str());
255 fwrite ( ptr,(size_t)2 ,(size_t)1 ,_fp);
259 if (vr == "UL" || vr == "SL") {
260 for (unsigned int i=0; i<tokens.size();i++) {
261 val_uint32 = atoi(tokens[i].c_str());
263 fwrite ( ptr,(size_t)4 ,(size_t)1 ,_fp);
268 // Les pixels ne sont pas chargés dans l'element !
269 if ((gr == 0x7fe0) && (el == 0x0010) ) break;
271 fwrite ( val,(size_t)lgr ,(size_t)1 ,_fp); //valeur Elem
275 int gdcmElValSet::Write(FILE * _fp, FileType type) {
277 if (type == ImplicitVR) {
278 string implicitVRTransfertSyntax = "1.2.840.10008.1.2";
279 SetElValueByNumber(implicitVRTransfertSyntax, 0x0002, 0x0010);
281 //FIXME Refer to standards on page 21, chapter 6.2 "Value representation":
282 // values with a VR of UI shall be padded with a single trailing null
283 // Dans le cas suivant on doit pader manuellement avec un 0.
284 SetElValueLengthByNumber(18, 0x0002, 0x0010);
288 // Comment pourrait-on si le DcmHeader vient d'un fichoer DicomV3 ou non ,
289 // (FileType est un champ de gdcmHeader ...)
290 // WARNING : Si on veut ecrire du DICOM V3 a partir d'un DcmHeader ACR-NEMA
294 if (type == ExplicitVR) {
295 string explicitVRTransfertSyntax = "1.2.840.10008.1.2.1";
296 SetElValueByNumber(explicitVRTransfertSyntax, 0x0002, 0x0010);
298 SetElValueLengthByNumber(20, 0x0002, 0x0010);
301 if ( (type == ImplicitVR) || (type == ExplicitVR) )
302 UpdateGroupLength(false,type);
304 UpdateGroupLength(true,ACR);
306 WriteElements(type, _fp);