Program: gdcm
Module: $RCSfile: gdcmDocEntry.cxx,v $
Language: C++
- Date: $Date: 2005/10/20 15:24:09 $
- Version: $Revision: 1.75 $
+ Date: $Date: 2006/07/06 16:57:06 $
+ Version: $Revision: 1.86 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
=========================================================================*/
#include "gdcmDocEntry.h"
+#include "gdcmDataEntry.h"
#include "gdcmTS.h"
#include "gdcmVR.h"
#include "gdcmGlobal.h"
#include "gdcmUtil.h"
#include "gdcmDebug.h"
-
+#include "gdcmDictSet.h"
#include <iomanip> // for std::ios::left, ...
#include <fstream>
// Constructor / Destructor
/**
* \brief Constructor from a given DictEntry
- * @param in Pointer to existing dictionary entry
+ * @param group Group number
+ * @param elem Element number
+ * @param vr VR
*/
-DocEntry::DocEntry(DictEntry *in)
+DocEntry::DocEntry(uint16_t group, uint16_t elem, VRKey const &vr)
{
ImplicitVR = false;
- DicomDict = in;
+ DicomDict = 0;
Offset = 0 ; // To avoid further missprinting
// init some variables
ReadLength = 0;
Length = 0;
- gdcmAssertMacro(DicomDict);
- DicomDict->Register();
+ VR = vr;
+ Key.SetGroupElem(group,elem);
}
/**
*/
DocEntry::~DocEntry()
{
- gdcmAssertMacro(DicomDict);
-
- DicomDict->Unregister();
+ if (DicomDict)
+ {
+ gdcmAssertMacro(DicomDict);
+ DicomDict->Unregister();
+ }
}
//-----------------------------------------------------------------------------
{
uint32_t ffff = 0xffffffff;
uint16_t group = GetGroup();
+
+ ///\todo allow skipping Shadow groups
+
VRKey vr = GetVR();
- uint16_t el = GetElement();
+ uint16_t elem = GetElement();
uint32_t lgth = GetLength();
-
- if ( group == 0xfffe && el == 0x0000 )
+
+ if ( group == 0xfffe && elem == 0x0000 )
{
// Fix in order to make some MR PHILIPS images e-film readable
// see gdcmData/gdcm-MR-PHILIPS-16-Multi-Seq.dcm:
// we just *always* ignore spurious fffe|0000 tag !
return;
}
+
//
// ----------- Writes the common part
//
+ // To avoid gdcm to propagate oddities.
+ // --> Don't forget to *write* an even length value
+ if (lgth%2)
+ lgth ++;
+
+ // ----------- Writes the common part : the Tag
binary_write( *fp, group); //group number
- binary_write( *fp, el); //element number
+ binary_write( *fp, elem); //element number
// Dicom V3 group 0x0002 is *always* Explicit VR !
- if ( filetype == ExplicitVR || filetype == JPEG || group == 0x0002 )
+ if ( filetype == ExplicitVR || filetype == JPEG || filetype == JPEG2000 || group == 0x0002 )
{
+// ----------- Writes the common part : the VR + the length
+
// Special case of delimiters:
if (group == 0xfffe)
- {
+ {
// Delimiters have NO Value Representation
// Hence we skip writing the VR.
//
binary_write(*fp, ff);
return;
}
-
uint16_t zero = 0;
uint16_t shortLgr = (uint16_t)lgth;
{
// GDCM_VRUNKNOWN was stored in the Entry VR;
// deal with Entry as if TS were Implicit VR
-
- // FIXME : troubles expected on big endian processors :
- // let lgth = 0x00001234
- // we write 34 12 00 00 on little endian proc (OK)
- // we write 12 34 00 00 on big endian proc (KO)
- //binary_write(*fp, shortLgr);
- //binary_write(*fp, zero);
-
binary_write(*fp, lgth);
}
else
{
binary_write(*fp, vr.str());
-
- if ( (vr == "OB") || (vr == "OW") || (vr == "SQ") /*|| (vr == "UN")*/ )
+ // See PS 3.5-2004 page 33, 36
+ if ( (vr == "SQ") || (vr == "OB") || (vr == "OW") || (vr == "OF")
+ || (vr == "UN") || (vr == "UT") )
{
binary_write(*fp, zero);
- if (vr == "SQ")
+ if ( (filetype == JPEG || filetype == JPEG2000) && group == 0x7fe0 && elem == 0x0010)
+ {
+ gdcmAssertMacro( GetVR() == "OW" );
+ binary_write(*fp, ffff);
+ }
+ else if (vr == "SQ")
{
// we set SQ length to ffffffff
// and we shall write a Sequence Delimitor Item
}
else // IMPLICIT VR
{
+// ----------- Writes the common part : the VR
if (vr == "SQ")
{
binary_write(*fp, ffff);
}
}
+/// \brief Returns the 'Name' '(e.g. "Patient's Name") found in the Dicom
+/// Dictionnary of the current Dicom Header Entry
+std::string const &DocEntry::GetName()
+{
+ if (DicomDict == 0)
+ DicomDict =
+ Global::GetDicts()->GetDefaultPubDict()->GetEntry(Key[0],Key[1]);
+ if (DicomDict == 0)
+ return GDCM_UNKNOWN;
+ else
+ {
+ DicomDict->Register();
+ return DicomDict->GetName();
+ }
+}
+
+ /// \brief Returns the 'Value Multiplicity' (e.g. "1", "6", "1-n", "3-n"),
+ /// found in the Dicom entry or in the Dicom Dictionnary
+ /// of the current Dicom entry
+std::string const &DocEntry::GetVM()
+{
+ if (DicomDict == 0)
+ DicomDict =
+ Global::GetDicts()->GetDefaultPubDict()->GetEntry(Key[0],Key[1]);
+ if (DicomDict == 0)
+ return GDCM_UNKNOWN;
+ else
+ {
+ DicomDict->Register();
+ return DicomDict->GetVM();
+ }
+}
+
/**
* \brief Gets the full length of the elementary DocEntry (not only value
* length) depending on the VR.
}
/**
- * \brief tells us if entry is the last one of a 'no length' SequenceItem
- * (fffe,e00d)
- */
-bool DocEntry::IsItemDelimitor()
-{
- return (GetGroup() == 0xfffe && GetElement() == 0xe00d);
-}
-
-/**
- * \brief tells us if entry is the first one of an Item
- * (fffe,e000)
- */
-bool DocEntry::IsItemStarter()
-{
- return (GetGroup() == 0xfffe && GetElement() == 0xe000);
-}
-
-/**
- * \brief tells us if entry is the last one of a 'no length' Sequence
- * (fffe,e0dd)
- */
-bool DocEntry::IsSequenceDelimitor()
-{
- return (GetGroup() == 0xfffe && GetElement() == 0xe0dd);
-}
-
-/**
- * \brief Copies all the attributes from an other DocEntry
+ * \brief Copies all the attributes from an other DocEntry
* @param doc entry to copy from
*/
void DocEntry::Copy(DocEntry *doc)