-#include "gdcmlib.h"
+// gdcmElValSet.cxx
+
+#include <sstream>
#include "gdcmUtil.h"
+#include "gdcmElValSet.h"
+
+#define DEBUG 0
-TagElValueHT & ElValSet::GetTagHt(void) {
+
+TagElValueHT & gdcmElValSet::GetTagHt(void) {
return tagHt;
}
-void ElValSet::Add(ElValue * newElValue) {
- tagHt[newElValue->GetKey()] = newElValue;
+void gdcmElValSet::Add(gdcmElValue * newElValue) {
+ tagHt [newElValue->GetKey()] = newElValue;
NameHt[newElValue->GetName()] = newElValue;
}
-void ElValSet::Print(ostream & os) {
+void gdcmElValSet::Print(ostream & os) {
for (TagElValueHT::iterator tag = tagHt.begin();
tag != tagHt.end();
++tag){
os << tag->first << ": ";
os << "[" << tag->second->GetValue() << "]";
os << "[" << tag->second->GetName() << "]";
- os << "[" << tag->second->GetVR() << "]" << endl;
+ os << "[" << tag->second->GetVR() << "]";
+ os << " lgr : " << tag->second->GetLength();
+ os << endl;
}
-}
+}
-void ElValSet::PrintByName(ostream & os) {
+void gdcmElValSet::PrintByName(ostream & os) {
for (TagElValueNameHT::iterator tag = NameHt.begin();
tag != NameHt.end();
++tag){
os << tag->first << ": ";
os << "[" << tag->second->GetValue() << "]";
- os << "[" << tag->second->GetKey() << "]";
+ os << "[" << tag->second->GetKey() << "]";
os << "[" << tag->second->GetVR() << "]" << endl;
}
}
-ElValue* ElValSet::GetElement(guint32 group, guint32 element) {
+gdcmElValue* gdcmElValSet::GetElementByNumber(guint16 group, guint16 element) {
TagKey key = gdcmDictEntry::TranslateToKey(group, element);
if ( ! tagHt.count(key))
- return (ElValue*)0;
- if (tagHt.count(key) > 1)
- dbg.Verbose(0, "ElValSet::GetElValue",
- "multiple entries for this key (FIXME) !");
+ return (gdcmElValue*)0;
return tagHt.find(key)->second;
}
-string ElValSet::GetElValue(guint32 group, guint32 element) {
+gdcmElValue* gdcmElValSet::GetElementByName(string TagName) {
+ if ( ! NameHt.count(TagName))
+ return (gdcmElValue*)0;
+ return NameHt.find(TagName)->second;
+}
+
+string gdcmElValSet::GetElValueByNumber(guint16 group, guint16 element) {
TagKey key = gdcmDictEntry::TranslateToKey(group, element);
if ( ! tagHt.count(key))
- return "UNFOUND";
- if (tagHt.count(key) > 1)
- dbg.Verbose(0, "ElValSet::GetElValue",
- "multiple entries for this key (FIXME) !");
+ return "gdcm::Unfound";
return tagHt.find(key)->second->GetValue();
}
-string ElValSet::GetElValue(string TagName) {
+string gdcmElValSet::GetElValueByName(string TagName) {
if ( ! NameHt.count(TagName))
- return "UNFOUND";
- if (NameHt.count(TagName) > 1)
- dbg.Verbose(0, "ElValSet::GetElValue",
- "multipe entries for this key (FIXME) !");
+ return "gdcm::Unfound";
return NameHt.find(TagName)->second->GetValue();
}
+
+int gdcmElValSet::SetElValueByNumber(string content,
+ guint16 group, guint16 element) {
+ TagKey key = gdcmDictEntry::TranslateToKey(group, element);
+ if ( ! tagHt.count(key))
+ return 0;
+ tagHt[key]->SetValue(content);
+ tagHt[key]->SetLength(content.length());
+ return 1;
+}
+
+int gdcmElValSet::SetElValueByName(string content, string TagName) {
+ if ( ! NameHt.count(TagName))
+ return 0;
+ NameHt[TagName]->SetValue(content);
+ NameHt[TagName]->SetLength(content.length());
+ return 1;
+}
+
+/**
+ * \ingroup gdcmElValSet
+ * \brief Generate a free TagKey i.e. a TagKey that is not present
+ * in the TagHt dictionary.
+ * @param group The generated tag must belong to this group.
+ * @return The element of tag with given group which is fee.
+ */
+guint32 gdcmElValSet::GenerateFreeTagKeyInGroup(guint16 group) {
+ for (guint32 elem = 0; elem < UINT32_MAX; elem++) {
+ TagKey key = gdcmDictEntry::TranslateToKey(group, elem);
+ if (tagHt.count(key) == 0)
+ return elem;
+ }
+ return UINT32_MAX;
+}
+
+int gdcmElValSet::SetElValueLengthByNumber(guint32 length,
+ guint16 group, guint16 element) {
+ TagKey key = gdcmDictEntry::TranslateToKey(group, element);
+ if ( ! tagHt.count(key))
+ return 0;
+ tagHt[key]->SetLength(length);
+ return 1 ;
+}
+
+
+int gdcmElValSet::SetElValueLengthByName(guint32 length, string TagName) {
+ if ( ! NameHt.count(TagName))
+ return 0;
+ NameHt.find(TagName)->second->SetLength(length);
+ return 1 ;
+}
+
+
+
+void gdcmElValSet::UpdateGroupLength(bool SkipSequence, FileType type) {
+ guint16 gr, el;
+ string vr;
+
+ gdcmElValue *elem;
+ char trash[10];
+ string str_trash;
+ GroupKey key;
+ GroupHT groupHt;
+ TagKey tk;
+ gdcmElValue *elemZ;
+
+ for (TagElValueHT::iterator tag2 = tagHt.begin();
+ tag2 != tagHt.end();
+ ++tag2){
+
+ elem = tag2->second;
+ gr = elem->GetGroup();
+ el = elem->GetElement();
+ vr = elem->GetVR();
+
+ sprintf(trash, "%04x", gr);
+ key = trash;
+
+ if (SkipSequence && vr == "SQ") continue;
+ // pas SEQUENCE en ACR-NEMA
+ // WARNING : pb CERTAIN
+ // si on est descendu 'a l'interieur' des SQ
+ //
+ // --> la descente a l'interieur' des SQ
+ // devra etre faite avec une liste chainee, pas avec une HTable...
+
+ if ( groupHt.count(key) == 0) {
+ if (el ==0x0000) {
+ groupHt[key] = 0;
+ } else {
+ groupHt[key] =2 + 2 + 4 + elem->GetLength();
+ }
+ } else {
+ if (type = ExplicitVR) {
+ if ( (vr == "OB") || (vr == "OW") || (vr == "SQ") ) {
+ groupHt[key] += 4;
+ }
+ }
+ groupHt[key] += 2 + 2 + 4 + elem->GetLength();
+ }
+ }
+
+ unsigned short int gr_bid;
+
+ for (GroupHT::iterator g = groupHt.begin();
+ g != groupHt.end();
+ ++g){
+
+ tk = g->first + "|0000";
+ sscanf(g->first.c_str(),"%x",&gr_bid);
+
+ if ( tagHt.count(tk) == 0) {
+ gdcmDictEntry * tagZ = new gdcmDictEntry(gr_bid, 0x0000, "UL");
+ elemZ = new gdcmElValue(tagZ);
+ elemZ->SetLength(4);
+ Add(elemZ);
+ } else {
+ elemZ=GetElementByNumber(gr_bid, 0x0000);
+ }
+ str_trash=trash;
+ elemZ->SetValue(str_trash);
+ }
+
+ // Liberer groupHt !
+
+}
+
+void gdcmElValSet::WriteElements(FileType type, FILE * _fp) {
+ guint16 gr, el;
+ guint32 lgr;
+ const char * val;
+ string vr;
+ guint32 val_uint32;
+ guint16 val_uint16;
+
+ vector<string> tokens;
+
+ void *ptr;
+
+ // Tout ceci ne marche QUE parce qu'on est sur un proc Little Endian
+ // restent à tester les echecs en écriture (apres chaque fwrite)
+
+ for (TagElValueHT::iterator tag2=tagHt.begin();
+ tag2 != tagHt.end();
+ ++tag2){
+
+ gr = tag2->second->GetGroup();
+ el = tag2->second->GetElement();
+ lgr = tag2->second->GetLength();
+ val = tag2->second->GetValue().c_str();
+ vr = tag2->second->GetVR();
+ if(DEBUG)printf ("%04x %04x [%s] : [%s]\n",gr, el, vr.c_str(), val);
+
+ if ( type == ACR ) {
+ if (gr < 0x0008) continue;
+ if (gr %2) continue;
+ if (vr == "SQ" ) continue;
+ }
+
+ fwrite ( &gr,(size_t)2 ,(size_t)1 ,_fp); //group
+ fwrite ( &el,(size_t)2 ,(size_t)1 ,_fp); //element
+
+ if ( (type == ExplicitVR) && (gr <= 0x0002) ) {
+ // On est en EXPLICIT VR
+ guint16 z=0, shortLgr;
+ fwrite (vr.c_str(),(size_t)2 ,(size_t)1 ,_fp);
+
+ if ( (vr == "OB") || (vr == "OW") || (vr == "SQ") ) {
+ fwrite ( &z, (size_t)2 ,(size_t)1 ,_fp);
+ fwrite ( &lgr,(size_t)4 ,(size_t)1 ,_fp);
+
+ } else {
+ shortLgr=lgr;
+ fwrite ( &shortLgr,(size_t)2 ,(size_t)1 ,_fp);
+ }
+ } else {
+ fwrite ( &lgr,(size_t)4 ,(size_t)1 ,_fp);
+ }
+
+ tokens.erase(tokens.begin(),tokens.end());
+ Tokenize (tag2->second->GetValue(), tokens, "\\");
+
+ if (vr == "US" || vr == "SS") {
+ for (unsigned int i=0; i<tokens.size();i++) {
+ val_uint16 = atoi(tokens[i].c_str());
+ ptr = &val_uint16;
+ fwrite ( ptr,(size_t)2 ,(size_t)1 ,_fp);
+ }
+ continue;
+ }
+ if (vr == "UL" || vr == "SL") {
+ for (unsigned int i=0; i<tokens.size();i++) {
+ val_uint32 = atoi(tokens[i].c_str());
+ ptr = &val_uint32;
+ fwrite ( ptr,(size_t)4 ,(size_t)1 ,_fp);
+ }
+ continue;
+ }
+
+ // Les pixels ne sont pas chargés dans l'element !
+ if ((gr == 0x7fe0) && (el == 0x0010) ) break;
+
+ fwrite ( val,(size_t)lgr ,(size_t)1 ,_fp); //valeur Elem
+ }
+}
+
+int gdcmElValSet::Write(FILE * _fp, FileType type) {
+
+ if (type == ImplicitVR) {
+ string implicitVRTransfertSyntax = "1.2.840.10008.1.2";
+ SetElValueByNumber(implicitVRTransfertSyntax, 0x0002, 0x0010);
+
+ //FIXME Refer to standards on page 21, chapter 6.2 "Value representation":
+ // values with a VR of UI shall be padded with a single trailing null
+ // Dans le cas suivant on doit pader manuellement avec un 0.
+ SetElValueLengthByNumber(18, 0x0002, 0x0010);
+ }
+
+ // Question :
+ // Comment pourrait-on si le DcmHeader vient d'un fichoer DicomV3 ou non ,
+ // (FileType est un champ de gdcmHeader ...)
+ // WARNING : Si on veut ecrire du DICOM V3 a partir d'un DcmHeader ACR-NEMA
+ // no way
+
+
+ if (type == ExplicitVR) {
+ string explicitVRTransfertSyntax = "1.2.840.10008.1.2.1";
+ SetElValueByNumber(explicitVRTransfertSyntax, 0x0002, 0x0010);
+ // See above comment
+ SetElValueLengthByNumber(20, 0x0002, 0x0010);
+ }
+
+ if ( (type == ImplicitVR) || (type == ExplicitVR) )
+ UpdateGroupLength(false,type);
+ if ( type == ACR)
+ UpdateGroupLength(true,ACR);
+
+ WriteElements(type, _fp);
+
+ return(1);
+}
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff