X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmElementSet.cxx;h=eb4f9d124b8893347e5cf31d7b7528bb5135719d;hb=e7768bbebdc9a5972e396d71a3e848f5674ee378;hp=d357da30055e3b69dfafb6d79522b14c7b0a1069;hpb=98b5c3d02083ad65fce19ff79007fcc3f370e7c5;p=gdcm.git diff --git a/src/gdcmElementSet.cxx b/src/gdcmElementSet.cxx index d357da30..eb4f9d12 100644 --- a/src/gdcmElementSet.cxx +++ b/src/gdcmElementSet.cxx @@ -1,83 +1,305 @@ -// gdcmElementSet.cxx -//----------------------------------------------------------------------------- -// +/*========================================================================= + + Program: gdcm + Module: $RCSfile: gdcmElementSet.cxx,v $ + Language: C++ + Date: $Date: 2007/10/19 14:47:18 $ + Version: $Revision: 1.79 $ + + Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de + l'Image). All rights reserved. See Doc/License.txt or + http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details. + + This software is distributed WITHOUT ANY WARRANTY; without even + the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR + PURPOSE. See the above copyright notices for more information. + +=========================================================================*/ + #include "gdcmElementSet.h" #include "gdcmDebug.h" +#include "gdcmSeqEntry.h" +#include "gdcmDataEntry.h" +namespace GDCM_NAME_SPACE +{ //----------------------------------------------------------------------------- // Constructor / Destructor /** - * \ingroup gdcmElementSet - * \brief Constructor from a given gdcmElementSet + * \brief Constructor for a given ElementSet */ -gdcmElementSet::gdcmElementSet(int depthLevel) - : gdcmDocEntrySet(depthLevel) { +ElementSet::ElementSet() + : DocEntrySet() +{ } /** - * \ingroup gdcmElementSet * \brief Canonical destructor. */ -gdcmElementSet::~gdcmElementSet() +ElementSet::~ElementSet() { - gdcmDocEntry* EntryToDelete; - for(TagDocEntryHT::iterator cc = tagHT.begin();cc != tagHT.end();++cc) - { - EntryToDelete = cc->second; - if ( EntryToDelete ) - delete EntryToDelete; // TODO : a verifier - } - tagHT.clear(); + ClearEntry(); } - //----------------------------------------------------------------------------- // Public - - -//----------------------------------------------------------------------------- -// Print /** - * \brief Prints the Header Entries (Dicom Elements) + * \brief Writes the Header Entries (Dicom Elements) * from the H Table - * @return + * @param fp ofstream to write to + * @param filetype ExplicitVR/ImplicitVR/ACR/ACR_LIBIDO/JPEG/JPEG2000/... */ -void gdcmElementSet::Print(std::ostream & os) { - cout << "entree ds gdcmElementSet::Print" << endl; - for (TagDocEntryHT::iterator i = tagHT.begin(); i != tagHT.end(); ++i) +void ElementSet::WriteContent(std::ofstream *fp, FileType filetype, bool dummy, bool dummy2) +{ + bool insideMetaElements = false; + bool yetOutsideMetaElements = false; + + for (TagDocEntryHT::const_iterator i = TagHT.begin(); + i != TagHT.end(); + ++i) { - //(*i)->second->SetPrintLevel(printLevel); - (i->second)->Print(os); + int group = (i->second)->GetGroup(); + + if (yetOutsideMetaElements==false && group == 0x0002) + insideMetaElements = true; + + if (insideMetaElements == true && group != 0x0002) + { + yetOutsideMetaElements = true; + insideMetaElements = false; + } + + // depending on the gdcm::Document type + // (gdcm::File; gdcm::DicomDir, (more to come ?) + // some groups *cannot* be present. + // We hereby protect gdcm for writting stupid things + // if they were found in the original document. + if ( !MayIWrite( group ) ) + continue; + + // Skip 'Group Length' element, since it may be wrong. + // except for Group 0x0002 + // ( keep it as well for Group 0x0008 of ACR Files, + // since some ACR readers *need* it ) + + if ( (i->second)->GetElement() != 0x0000 + || + ( (i->second)->GetGroup() == 0x0002 + ||( (filetype == ACR || filetype == ACR_LIBIDO ) && (i->second)->GetGroup() == 0x0008 ) ) + ) + { + // There are DocEntries, written recursively + // false : we are outside any Sequence + i->second->WriteContent(fp, filetype, insideMetaElements, false ); + } } } +/** + * \brief add a new Dicom Element pointer to the H Table + * @param newEntry entry to add + */ +bool ElementSet::AddEntry(DocEntry *newEntry) +{ + const TagKey &key = newEntry->GetKey(); -//----------------------------------------------------------------------------- -// Protected + if ( TagHT.count(key) == 1 ) + { + gdcmWarningMacro( "Key already present: " << key ); + return false; + } + else + { + TagHT.insert(TagDocEntryHT::value_type(newEntry->GetKey(), newEntry)); + newEntry->Register(); + return true; + } +} -//----------------------------------------------------------------------------- +/** + * \brief Clear the hash table from given entry AND delete the entry. + * @param entryToRemove Entry to remove AND delete. + */ +bool ElementSet::RemoveEntry( DocEntry *entryToRemove) +{ + const TagKey &key = entryToRemove->GetKey(); + if ( TagHT.count(key) == 1 ) + { + TagHT.erase(key); + entryToRemove->Unregister(); + return true; + } -//----------------------------------------------------------------------------- -// Private + gdcmWarningMacro( "Key not present : " << key); + return false ; +} + +/** + * \brief delete all entries in the ElementSet + */ +void ElementSet::ClearEntry() +{ + for(TagDocEntryHT::iterator cc = TagHT.begin();cc != TagHT.end(); ++cc) + { + if ( cc->second ) + { + cc->second->Unregister(); + } + } + TagHT.clear(); +} +/** + * \brief Get the first entry while visiting *the* 'zero level' DocEntrySet + * (DocEntries out of any Sequence) + * \return The first DocEntry if found, otherwhise NULL + */ +DocEntry *ElementSet::GetFirstEntry() +{ + ItTagHT = TagHT.begin(); + if (ItTagHT != TagHT.end()) + return ItTagHT->second; + return NULL; +} /** - * \brief add a new Dicom Element pointer to the H Table - * @param NewEntry entry to add + * \brief Get the next entry while visiting *the* 'zero level' DocEntrySet + * (DocEntries out of any Sequence) + * \note : meaningfull only if GetFirstEntry already called + * \return The next DocEntry if found, otherwhise NULL */ -bool gdcmElementSet::AddEntry( gdcmDocEntry *NewEntry) { - TagKey key; - key = NewEntry->GetKey(); +DocEntry *ElementSet::GetNextEntry() +{ + gdcmAssertMacro (ItTagHT != TagHT.end()); + + ++ItTagHT; + if (ItTagHT != TagHT.end()) + return ItTagHT->second; + return NULL; +} + +/** + * \brief retrieves a Dicom Element using (group, element) + * @param group Group number of the searched Dicom Element + * @param elem Element number of the searched Dicom Element + * @return + */ +DocEntry *ElementSet::GetDocEntry(uint16_t group, uint16_t elem) +{ + TagKey key = DictEntry::TranslateToKey(group, elem); + TagDocEntryHT::iterator it = TagHT.find(key); + + if ( it!=TagHT.end() ) + return it->second; + return NULL; +} + +/** + * \brief Copies all the attributes from an other DocEntrySet + * @param set entry to copy from + * @remarks The contained DocEntries a not copied, only referenced + */ +void ElementSet::Copy(DocEntrySet *set) +{ + // Remove all previous entries + ClearEntry(); + + DocEntrySet::Copy(set); - if(tagHT.count(key) == 1) + ElementSet *eltSet = dynamic_cast(set); + if( eltSet ) { - dbg.Verbose(1, "gdcmElementSet::AddEntry key already present: ", key.c_str()); - return(false); - } - else + TagHT = eltSet->TagHT; + for(ItTagHT = TagHT.begin();ItTagHT != TagHT.end();++ItTagHT) + { + (ItTagHT->second)->Register(); + } + } +} + +/** + * \brief Checks whether *all* the DataEntries of the group have all + * the same type for VR (ImplicitVR or ExplicitVR) + * @param group group number to be checked + * @return 1:ImplicitVR 2:ExplicitVR -1:NotCoherent + */ +int ElementSet::IsVRCoherent( uint16_t group ) +{ + uint16_t currentGroup; + int codeVR = -1; + int currentCodeVR; + for(TagDocEntryHT::iterator cc = TagHT.begin();cc != TagHT.end(); ++cc) { - tagHT[NewEntry->GetKey()] = NewEntry; - return(true); + currentGroup = cc->second->GetGroup(); + + if ( currentGroup < group ) + continue; + if ( currentGroup > group ) + break; + // currentGroup == group + if (codeVR == -1) + { + if (cc->second->IsImplicitVR() ) + codeVR = 1; + else + codeVR = 2; + continue; + } + else + { + if (cc->second->IsImplicitVR() ) + currentCodeVR = 1; //Implicit + else + currentCodeVR = 2; // Explicit + + if ( currentCodeVR == codeVR ) + continue; + else + return -1; // -1 : not coherent + } } + return codeVR; } + +//----------------------------------------------------------------------------- +// Protected + +//----------------------------------------------------------------------------- +// Private + +//----------------------------------------------------------------------------- +// Print +/** + * \brief Prints the Header Entries (Dicom Elements) from the H Table + * @param os ostream to write to + * @param indent Indentation string to be prepended during printing + */ +void ElementSet::Print(std::ostream &os, std::string const & ) +{ + // Let's change the 'warning value' for Pixel Data, + // to avoid human reader to be confused by 'gdcm::NotLoaded'. + DataEntry *pixelElement = GetDataEntry(0x7fe0,0x0010); + if ( pixelElement != 0 ) + { + pixelElement->SetFlag( DataEntry::FLAG_PIXELDATA ); + } + + for( TagDocEntryHT::const_iterator i = TagHT.begin(); i != TagHT.end(); ++i) + { + DocEntry *entry = i->second; + + entry->SetPrintLevel(PrintLevel); + entry->Print(os); + + if ( dynamic_cast(entry) ) + { + // Avoid the newline for a sequence: + continue; + } + os << std::endl; + } +} + +//----------------------------------------------------------------------------- +} // end namespace gdcm