Program: gdcm
Module: $RCSfile: gdcmDocument.cxx,v $
Language: C++
- Date: $Date: 2005/01/18 15:52:22 $
- Version: $Revision: 1.196 $
+ Date: $Date: 2005/01/20 11:37:37 $
+ Version: $Revision: 1.203 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
*/
Document::Document( std::string const &filename ) : ElementSet(-1)
{
+ RLEInfo = NULL;
+ JPEGInfo = NULL;
+
SetMaxSizeLoadEntry(MAX_SIZE_LOAD_ELEMENT_VALUE);
Filename = filename;
- Initialise();
+ Initialize();
Fp = 0;
if ( !OpenFile() )
// we switch lineNumber and columnNumber
//
std::string RecCode;
- RecCode = GetEntry(0x0008, 0x0010); // recognition code
+ RecCode = GetEntry(0x0008, 0x0010); // recognition code (RET)
if (RecCode == "ACRNEMA_LIBIDO_1.1" ||
RecCode == "CANRME_AILIBOD1_1." ) // for brain-damaged softwares
// with "little-endian strings"
*/
Document::Document() : ElementSet(-1)
{
+ RLEInfo = NULL;
+ JPEGInfo = NULL;
+
Fp = 0;
SetMaxSizeLoadEntry(MAX_SIZE_LOAD_ELEMENT_VALUE);
- Initialise();
+ Initialize();
SwapCode = 1234;
Filetype = ExplicitVR;
Group0002Parsed = false;
RefPubDict = NULL;
RefShaDict = NULL;
- delete RLEInfo;
- delete JPEGInfo;
+ if( RLEInfo )
+ delete RLEInfo;
+ if( JPEGInfo )
+ delete JPEGInfo;
}
//-----------------------------------------------------------------------------
if( TagHT.empty() )
{
- gdcmVerboseMacro( "No tags in internal hash table.");
+ gdcmVerboseMacro( "No tag in internal hash table.");
return false;
}
Fp = 0;
}
- return true; //FIXME how do we detect a non-close ifstream ?
+ return true; //FIXME how do we detect a non-closed ifstream ?
}
/**
* when it exists. Create it with the given value when unexistant.
* A copy of the binArea is made to be kept in the Document.
* @param binArea (binary) value to be set
- * @param Group Group number of the Entry
- * @param Elem Element number of the Entry
+ * @param group Group number of the Entry
+ * @param elem Element number of the Entry
* @param vr V(alue) R(epresentation) of the Entry -if private Entry-
* \return pointer to the modified/created Header Entry (NULL when creation
* failed).
}
}
}
-
// Create a new seqEntry if necessary
if (!seqEntry)
{
return NULL;
}
}
-
return seqEntry;
}
* @param content new value (string) to substitute with
* @param entry Entry to be modified
*/
-bool Document::SetEntry(std::string const &content,ValEntry *entry)
+bool Document::SetEntry(std::string const &content, ValEntry *entry)
{
if(entry)
{
}
/**
- * \brief Loads (from disk) the element content
- * when a string is not suitable
+ * \brief Loads (from disk) the element content
+ * when a string is not suitable
* @param group group number of the Entry
* @param elem element number of the Entry
*/
}
/**
- * \brief Loads (from disk) the element content
- * when a string is not suitable
+ * \brief Loads (from disk) the element content
+ * when a string is not suitable
* @param elem Entry whose binArea is going to be loaded
*/
void Document::LoadEntryBinArea(BinEntry *elem)
uint8_t *a = new uint8_t[l];
if( !a )
{
- gdcmVerboseMacro( "Cannot allocate a");
+ gdcmVerboseMacro( "Cannot allocate BinEntry content");
return;
}
return false;
}*/
-/**
- * \brief retrieves a Dicom Element (the first one) using (group, element)
- * \warning (group, element) IS NOT an identifier inside the Dicom Header
- * if you think it's NOT UNIQUE, check the count number
- * and use iterators to retrieve ALL the Dicoms Elements within
- * a given couple (group, element)
- * @param group Group number of the searched Dicom Element
- * @param elem Element number of the searched Dicom Element
- * @return
- */
-DocEntry *Document::GetDocEntry(uint16_t group, uint16_t elem)
-{
- TagKey key = DictEntry::TranslateToKey(group, elem);
- if ( !TagHT.count(key))
- {
- return NULL;
- }
- return TagHT.find(key)->second;
-}
-
-/**
- * \brief Same as \ref Document::GetDocEntry except it only
- * returns a result when the corresponding entry is of type
- * ValEntry.
- * @param group Group number of the searched Dicom Element
- * @param elem Element number of the searched Dicom Element
- * @return When present, the corresponding ValEntry.
- */
-ValEntry *Document::GetValEntry(uint16_t group, uint16_t elem)
-{
- DocEntry *currentEntry = GetDocEntry(group, elem);
- if ( !currentEntry )
- {
- return 0;
- }
- if ( ValEntry *entry = dynamic_cast<ValEntry*>(currentEntry) )
- {
- return entry;
- }
- gdcmVerboseMacro( "Unfound ValEntry.");
-
- return 0;
-}
-
-/**
- * \brief Same as \ref Document::GetDocEntry except it only
- * returns a result when the corresponding entry is of type
- * BinEntry.
- * @param group Group number of the searched Dicom Element
- * @param elem Element number of the searched Dicom Element
- * @return When present, the corresponding BinEntry.
- */
-BinEntry *Document::GetBinEntry(uint16_t group, uint16_t elem)
-{
- DocEntry *currentEntry = GetDocEntry(group, elem);
- if ( !currentEntry )
- {
- return 0;
- }
- if ( BinEntry *entry = dynamic_cast<BinEntry*>(currentEntry) )
- {
- return entry;
- }
- gdcmVerboseMacro( "Unfound BinEntry.");
-
- return 0;
-}
/**
- * \brief Loads the element while preserving the current
- * underlying file position indicator as opposed to
- * to LoadDocEntry that modifies it.
+ * \brief Loads the element while preserving the current
+ * underlying file position indicator as opposed to
+ * LoadDocEntry that modifies it.
* @param entry Header Entry whose value will be loaded.
* @return
*/
{
if ( newBinEntry )
{
- if ( ! Global::GetVR()->IsVROfBinaryRepresentable(vr) )
+ if ( Filetype == ExplicitVR && ! Global::GetVR()->IsVROfBinaryRepresentable(vr) )
{
////// Neither ValEntry NOR BinEntry: should mean UNKOWN VR
gdcmVerboseMacro( std::hex << newDocEntry->GetGroup()
//////////////////// BinEntry or UNKOWN VR:
// When "this" is a Document the Key is simply of the
// form ( group, elem )...
- if (/*Document *dummy =*/ dynamic_cast< Document* > ( set ) )
+ if ( dynamic_cast< Document* > ( set ) )
{
- //(void)dummy;
newBinEntry->SetKey( newBinEntry->GetKey() );
}
// but when "this" is a SQItem, we are inserting this new
/////////////////////// ValEntry
// When "set" is a Document, then we are at the top of the
// hierarchy and the Key is simply of the form ( group, elem )...
- if (/*Document *dummy =*/ dynamic_cast< Document* > ( set ) )
+ if ( dynamic_cast< Document* > ( set ) )
{
- //(void)dummy;
newValEntry->SetKey( newValEntry->GetKey() );
}
// ...but when "set" is a SQItem, we are inserting this new
{
if ( newDocEntry->IsSequenceDelimitor() )
{
- seqEntry->SetSequenceDelimitationItem( newDocEntry );
+ seqEntry->SetDelimitationItem( newDocEntry );
break;
}
}
offsetStartCurrentSQItem = Fp->tellg();
// end try -----------------
- seqEntry->AddEntry( itemSQ, SQItemNumber );
+ seqEntry->AddSQItem( itemSQ, SQItemNumber );
SQItemNumber++;
if ( !delim_mode && ((long)(Fp->tellg())-offset ) >= l_max )
{
// hands on a big endian encoded file: we switch the swap code to
// big endian and proceed...
- //
- // if ( element == 0x0000 && length16 == 0x0400 )
- // {
- // std::string ts = GetTransferSyntax();
- // if ( Global::GetTS()->GetSpecialTransferSyntax(ts)
- // != TS::ExplicitVRBigEndian )
- // {
- // throw FormatError( "Document::FindDocEntryLength()",
- // " not explicit VR." );
- // return;
- // }
- // length16 = 4;
- // SwitchByteSwapCode();
-
- // Restore the unproperly loaded values i.e. the group, the element
- // and the dictionary entry depending on them.
-// uint16_t correctGroup = SwapShort( entry->GetGroup() );
+// if ( element == 0x0000 && length16 == 0x0400 )
+// {
+// std::string ts = GetTransferSyntax();
+// if ( Global::GetTS()->GetSpecialTransferSyntax(ts)
+// != TS::ExplicitVRBigEndian )
+// {
+// throw FormatError( "Document::FindDocEntryLength()",
+// " not explicit VR." );
+// return;
+// }
+// length16 = 4;
+// SwitchByteSwapCode();
+//
+// // Restore the unproperly loaded values i.e. the group, the element
+// // and the dictionary entry depending on them.
+// uint16_t correctGroup = SwapShort( entry->GetGroup() );
// uint16_t correctElem = SwapShort( entry->GetElement() );
-// DictEntry *newTag = GetDictEntry( correctGroup, correctElem ); if ( !newTag )
+// DictEntry *newTag = GetDictEntry( correctGroup, correctElem );
+// if ( !newTag )
// {
- // This correct tag is not in the dictionary. Create a new one.
+// // This correct tag is not in the dictionary. Create a new one.
// newTag = NewVirtualDictEntry(correctGroup, correctElem);
// }
- // FIXME this can create a memory leaks on the old entry that be
- // left unreferenced.
+// // FIXME this can create a memory leaks on the old entry that be
+// // left unreferenced.
// entry->SetDictEntry( newTag );
// }
-
// 0xffff means that we deal with 'No Length' Sequence
// or 'No Length' SQItem
// on Data elements "Implicit and Explicit VR Data Elements shall
// not coexist in a Data Set and Data Sets nested within it".]
// Length is on 4 bytes.
+
+ // Well ... group 0002 is always coded in 'Explicit VR Litle Endian'
+ // even if Transfer Syntax is 'Implicit VR ...'
FixDocEntryFoundLength( entry, ReadInt32() );
return;
* \brief Loads all the needed Dictionaries
* \warning NOT end user intended method !
*/
-void Document::Initialise()
+void Document::Initialize()
{
RefPubDict = Global::GetDicts()->GetDefaultPubDict();
RefShaDict = NULL;
}
}
-
-
/**
* \brief Change the Byte Swap code.
*/
*/
void Document::SetMaxSizePrintEntry(long newSize)
{
- //DOH !! This is exactly SetMaxSizeLoadEntry FIXME FIXME
if ( newSize < 0 )
{
return;
/**
* \brief Accesses the info from 0002,0010 : Transfer Syntax and TS
- * else 1.
* @return The full Transfer Syntax Name (as opposed to Transfer Syntax UID)
*/
std::string Document::GetTransferSyntaxName()
return;
}
+ // Group 0002 is always 'Explicit ...' enven when Transfer Syntax says 'Implicit ..."
+
+ if ( Global::GetTS()->GetSpecialTransferSyntax(ts) == TS::ImplicitVRLittleEndian )
+ {
+ Filetype = ImplicitVR;
+ }
+
// FIXME Strangely, this works with
//'Implicit VR Transfer Syntax (GE Private)
if ( Global::GetTS()->GetSpecialTransferSyntax(ts) == TS::ExplicitVRBigEndian )
<< GetTransferSyntaxName() << "]" );
SwitchByteSwapCode();
group = SwapShort(group);
- elem = SwapShort(elem);
+ elem = SwapShort(elem);
}
}
}