Program: gdcm
Module: $RCSfile: gdcmElementSet.cxx,v $
Language: C++
- Date: $Date: 2004/06/23 13:02:36 $
- Version: $Revision: 1.13 $
+ Date: $Date: 2008/05/19 09:25:42 $
+ Version: $Revision: 1.80 $
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.htm for details.
+ 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
#include "gdcmElementSet.h"
#include "gdcmDebug.h"
-#include "gdcmValEntry.h"
-#include "gdcmBinEntry.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;
- }
- 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)
+void ElementSet::WriteContent(std::ofstream *fp, FileType filetype, bool dummy, bool dummy2)
{
- gdcmDocEntry* Entry;
- for (TagDocEntryHT::iterator i = tagHT.begin(); i != tagHT.end(); ++i)
+ bool insideMetaElements = false;
+ bool yetOutsideMetaElements = false;
+ (void)dummy2;(void)dummy;
+
+ for (TagDocEntryHT::const_iterator i = TagHT.begin();
+ i != TagHT.end();
+ ++i)
{
- Entry = i->second;
- Entry->Print(os);
- bool PrintEndLine = true;
- if ( gdcmSeqEntry* SeqEntry = dynamic_cast<gdcmSeqEntry*>(Entry) )
- PrintEndLine = false;
- if (PrintEndLine)
- os << std::endl;
+ 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 Writes the Header Entries (Dicom Elements)
- * from the H Table
- * @return
- */
-void gdcmElementSet::Write(FILE *fp, FileType filetype)
+ * \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();
- for (TagDocEntryHT::iterator i = tagHT.begin(); i != tagHT.end(); ++i)
+ if ( TagHT.count(key) == 1 )
{
- i->second->Write(fp, filetype);
- }
+ gdcmWarningMacro( "Key already present: " << key );
+ return false;
+ }
+ else
+ {
+ TagHT.insert(TagDocEntryHT::value_type(newEntry->GetKey(), newEntry));
+ newEntry->Register();
+ return true;
+ }
}
-//-----------------------------------------------------------------------------
-// Protected
-//-----------------------------------------------------------------------------
+/**
+ * \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 add a new Dicom Element pointer to the H Table
- * @param NewEntry entry to add
+ * \brief delete all entries in the ElementSet
*/
-bool gdcmElementSet::AddEntry( gdcmDocEntry *NewEntry) {
- TagKey key;
- key = NewEntry->GetKey();
+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;
+}
- if(tagHT.count(key) == 1)
+/**
+ * \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
+ */
+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);
+
+ ElementSet *eltSet = dynamic_cast<ElementSet *>(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 Clear the hash table from given entry.
- * @param EntryToRemove Entry to remove.
- */
-bool gdcmElementSet::RemoveEntry( gdcmDocEntry *EntryToRemove)
+ * \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 & )
{
- TagKey key = EntryToRemove->GetKey();
- if(tagHT.count(key) == 1)
+ // 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 )
{
- tagHT.erase(key);
- dbg.Verbose(0, "gdcmElementSet::RemoveEntry: one element erased.");
- return true;
+ pixelElement->SetFlag( DataEntry::FLAG_PIXELDATA );
}
- dbg.Verbose(0, "gdcmElementSet::RemoveEntry: key not present: ");
- return(false);
+ for( TagDocEntryHT::const_iterator i = TagHT.begin(); i != TagHT.end(); ++i)
+ {
+ DocEntry *entry = i->second;
+
+ entry->SetPrintLevel(PrintLevel);
+ entry->Print(os);
+
+ if ( dynamic_cast<SeqEntry*>(entry) )
+ {
+ // Avoid the newline for a sequence:
+ continue;
+ }
+ os << std::endl;
+ }
}
+
+//-----------------------------------------------------------------------------
+} // end namespace gdcm
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff