Program: gdcm
Module: $RCSfile: gdcmDocEntry.cxx,v $
Language: C++
- Date: $Date: 2004/06/23 13:02:36 $
- Version: $Revision: 1.9 $
+ Date: $Date: 2007/09/14 08:22:19 $
+ Version: $Revision: 1.94 $
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 "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>
-// CLEAN ME
-#define MAX_SIZE_PRINT_ELEMENT_VALUE 64
-
+namespace GDCM_NAME_SPACE
+{
//-----------------------------------------------------------------------------
+
// Constructor / Destructor
/**
- * \ingroup gdcmDocEntry
- * \brief Constructor from a given gdcmDictEntry
- * @param in Pointer to existing dictionary entry
+ * \brief Constructor from a given DictEntry
+ * @param group Group number
+ * @param elem Element number
+ * @param vr VR
*/
-gdcmDocEntry::gdcmDocEntry(gdcmDictEntry* in) {
+DocEntry::DocEntry(uint16_t group, uint16_t elem, VRKey const &vr)
+{
ImplicitVR = false;
- entry = in;
+ DicomDict = 0;
+ Offset = 0 ; // To avoid further missprinting
+
+ // init some variables
+ ReadLength = 0;
+ Length = 0;
+
+ VR = vr;
+ Key.SetGroupElem(group,elem);
}
-//-----------------------------------------------------------------------------
-// Print
/**
- * \ingroup gdcmDocEntry
- * \brief Prints the common part of gdcmValEntry, gdcmBinEntry, gdcmSeqEntry
- * @param os ostream we want to print in
+ * \brief Destructor from a given DictEntry
*/
-void gdcmDocEntry::Print(std::ostream & os) {
-
- printLevel=2; // FIXME
-
- size_t o;
- unsigned short int g, e;
- char st[20];
- TSKey v;
- std::string d2, vr;
- std::ostringstream s;
- guint32 lgth;
- char greltag[10]; //group element tag
-
- g = GetGroup();
- e = GetElement();
- o = GetOffset();
- vr = GetVR();
- sprintf(greltag,"%04x|%04x ",g,e);
- s << greltag ;
-
- if (printLevel>=2) {
- s << "lg : ";
- lgth = GetReadLength(); // ReadLength, as opposed to UsableLength
- if (lgth == 0xffffffff) {
- sprintf(st,"x(ffff)"); // I said : "x(ffff)" !
- s.setf(std::ios::left);
- s << std::setw(10-strlen(st)) << " ";
- s << st << " ";
- s.setf(std::ios::left);
- s << std::setw(8) << "-1";
- } else {
- sprintf(st,"x(%x)",lgth);
- s.setf(std::ios::left);
- s << std::setw(10-strlen(st)) << " ";
- s << st << " ";
- s.setf(std::ios::left);
- s << std::setw(8) << lgth;
- }
- s << " Off.: ";
- sprintf(st,"x(%x)",o);
- s << std::setw(10-strlen(st)) << " ";
- s << st << " ";
- s << std::setw(8) << o;
+DocEntry::~DocEntry()
+{
+ if (DicomDict)
+ {
+ gdcmAssertMacro(DicomDict);
+ DicomDict->Unregister();
}
-
- s << "[" << vr << "] ";
-
- if (printLevel>=1) {
- s.setf(std::ios::left);
- s << std::setw(66-GetName().length()) << " ";
- }
-
- s << "[" << GetName()<< "]";
- os << s.str();
}
+//-----------------------------------------------------------------------------
+// Public
/**
- * \ingroup gdcmDocEntry
- * \brief Writes the common part of any gdcmValEntry, gdcmBinEntry, gdcmSeqEntry
+ * \brief Writes the common part of any DataEntry, SeqEntry
+ * @param fp already open ofstream pointer
+ * @param filetype type of the file (ACR, ImplicitVR, ExplicitVR, JPEG, JPEG2000...)
*/
-void gdcmDocEntry::Write(FILE *fp, FileType filetype) {
-
- guint16 group = GetGroup();
- VRKey vr = GetVR();
- guint16 el = GetElement();
- guint32 lgr = GetReadLength();
+void DocEntry::WriteContent(std::ofstream *fp, FileType filetype, bool insideMetaElements, bool insideSequence)
+{
+ uint32_t ffff = 0xffffffff;
+ uint16_t group = GetGroup();
- if ( (group == 0xfffe) && (el == 0x0000) )
+ ///\todo allow skipping Shadow groups
+
+ VRKey vr = GetVR();
+ uint16_t elem = GetElement();
+ uint32_t lgth = GetLength();
+
+ 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;
+ return;
+ }
-//
-// ----------- Writes the common part
-//
- fwrite ( &group,(size_t)2 ,(size_t)1 ,fp); //group
- fwrite ( &el, (size_t)2 ,(size_t)1 ,fp); //element
-
- if ( filetype == gdcmExplicitVR ) {
+ //
+ // ----------- 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, elem); //element number
+ // Dicom V3 group 0x0002 is *always* Explicit VR !
+ if ( filetype == ExplicitVR || filetype == JPEG || filetype == JPEG2000 || (group == 0x0002 && insideMetaElements) )
+ {
+// ----------- Writes the common part : the VR + the length
+
// Special case of delimiters:
- if (group == 0xfffe) {
+ if (group == 0xfffe)
+ {
// Delimiters have NO Value Representation
// Hence we skip writing the VR.
+ //
// In order to avoid further troubles, we choose to write them
// as 'no-length' Item Delimitors (we pad by writing 0xffffffff)
- // The end of a given Item will be found when :
- // - a new Item Delimitor Item is encountered (the Seq goes on)
- // - a Sequence Delimitor Item is encountered (the Seq just ended)
+ // We shall force the end of a given SeqItem by writting
+ // a Item Delimitation Item (fffe, e00d)
- // TODO : verify if the Sequence Delimitor Item was forced during Parsing
-
- int ff=0xffffffff;
- fwrite (&ff,(size_t)4 ,(size_t)1 ,fp);
+ uint32_t ff = 0xffffffff;
+ binary_write(*fp, ff);
return;
}
+ uint16_t zero = 0;
+ uint16_t shortLgr = (uint16_t)lgth;
- guint16 z=0;
- guint16 shortLgr = lgr;
- if (vr == "unkn") { // Unknown was 'written'
- // deal with Little Endian
- fwrite ( &shortLgr,(size_t)2 ,(size_t)1 ,fp);
- fwrite ( &z, (size_t)2 ,(size_t)1 ,fp);
- } else {
- fwrite (vr.c_str(),(size_t)2 ,(size_t)1 ,fp);
-
-// TODO : better we set SQ length to ffffffff
-// and write a Sequence Delimitor Item at the end of the Sequence!
- if ( (vr == "OB") || (vr == "OW") || (vr == "SQ") )
+ if( IsVRUnknown() )
+ {
+ // if VR was not set by user, we set it to "UN"
+ SetVR("UN");
+ vr=GetVR();
+ }
+
+ //{
+ binary_write(*fp, vr.str());
+ // See PS 3.5-2004 page 33, 36
+ if ( (vr == "SQ") || (vr == "OB") || (vr == "OW") || (vr == "OF")
+ || (vr == "UN") || (vr == "UT") )
{
- fwrite ( &z, (size_t)2 ,(size_t)1 ,fp);
- fwrite ( &lgr,(size_t)4 ,(size_t)1 ,fp);
- } else {
- fwrite ( &shortLgr,(size_t)2 ,(size_t)1 ,fp);
+ binary_write(*fp, zero);
+
+ if ( (filetype == JPEG || filetype == JPEG2000) && group == 0x7fe0 && elem == 0x0010 && !insideSequence)
+ {
+ // Only the 'true' Pixel Element may be compressed (hope so!)
+ binary_write(*fp, ffff);
+ }
+ else if (vr == "SQ")
+ {
+ // we set SQ length to ffffffff
+ // and we shall write a Sequence Delimitor Item
+ // at the end of the Sequence!
+ binary_write(*fp, ffff);
+ }
+ else
+ {
+ binary_write(*fp, lgth);
+ }
}
- }
+ else
+ {
+ binary_write(*fp, shortLgr);
+ }
+ //}
}
else // IMPLICIT VR
{
- fwrite ( &lgr,(size_t)4 ,(size_t)1 ,fp);
+// ----------- Writes the common part : the VR
+ if (vr == "SQ")
+ {
+ binary_write(*fp, ffff);
+ }
+ else
+ {
+ binary_write(*fp, lgth);
+ }
}
}
-//-----------------------------------------------------------------------------
-// Public
+/// \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();
+ }
+}
/**
- * \ingroup gdcmDocEntry
- * \brief Gets the full length of the elementary DocEntry (not only value length)
+ * \brief Gets the full length of the elementary DocEntry (not only value
+ * length) depending on the VR.
*/
-guint32 gdcmDocEntry::GetFullLength(void) {
- guint32 l;
- l = GetReadLength();
- if ( IsImplicitVR() )
+uint32_t DocEntry::GetFullLength()
+{
+ uint32_t l = GetReadLength();
+ if ( IsImplicitVR() )
+ {
l = l + 8; // 2 (gr) + 2 (el) + 4 (lgth)
- else
+ }
+ else
+ {
if ( GetVR()=="OB" || GetVR()=="OW" || GetVR()=="SQ" )
+ {
l = l + 12; // 2 (gr) + 2 (el) + 2 (vr) + 2 (unused) + 4 (lgth)
+ }
else
+ {
l = l + 8; // 2 (gr) + 2 (el) + 2 (vr) + 2 (lgth)
- return(l);
-}
-
-/**
- * \ingroup gdcmDocEntry
- * \brief Copies all the attributes from an other DocEntry
- */
-void gdcmDocEntry::Copy (gdcmDocEntry* e) {
- this->entry = e->entry;
- this->UsableLength = e->UsableLength;
- this->ReadLength = e->ReadLength;
- this->ImplicitVR = e->ImplicitVR;
- this->Offset = e->Offset;
- this->printLevel = e->printLevel;
- // TODO : remove gdcmDocEntry SQDepth
+ }
+ }
+ return l;
}
/**
- * \ingroup gdcmDocEntry
- * \brief tells us if entry is the first one of a Sequence Item (fffe,e00d)
- */
-bool gdcmDocEntry::isItemDelimitor() {
- if ( (GetGroup() == 0xfffe) && (GetElement() == 0xe00d) )
- return true;
- else
- return false;
-}
-/**
- * \ingroup gdcmDocEntry
- * \brief tells us if entry is the last one of a 'no length' Sequence fffe,e0dd)
+ * \brief Copies all the attributes from an other DocEntry
+ * @param doc entry to copy from
*/
-bool gdcmDocEntry::isSequenceDelimitor() {
- if (GetGroup() == 0xfffe && GetElement() == 0xe0dd)
- return true;
- else
- return false;
+void DocEntry::Copy(DocEntry *doc)
+{
+ Length = doc->Length;
+ ReadLength = doc->ReadLength;
+ ImplicitVR = doc->ImplicitVR;
+ Offset = doc->Offset;
}
//-----------------------------------------------------------------------------
// Protected
-
//-----------------------------------------------------------------------------
// Private
//-----------------------------------------------------------------------------
+// Print
+/**
+ * \brief Prints the common part (vr [length offset] name) of DataEntry, SeqEntry
+ * @param os ostream we want to print in
+ * @param indent Indentation string to be prepended during printing
+ */
+void DocEntry::Print(std::ostream &os, std::string const & )
+{
+ size_t o;
+ std::string st;
+ TSKey v;
+ std::string d2;
+ VRKey vr;
+ std::ostringstream s;
+ uint32_t lgth;
+
+ o = GetOffset();
+ vr = GetVR();
+ if ( vr == GDCM_VRUNKNOWN )
+ vr = " ";
+
+ s << DictEntry::TranslateToKey(GetGroup(),GetElement());
+
+ if (PrintLevel >= 2)
+ {
+ s << " lg : ";
+ lgth = GetReadLength(); // ReadLength, as opposed to (usable) Length
+ if (lgth == 0xffffffff)
+ {
+ st = " ffff ";
+ s.setf(std::ios::left);
+ s << std::setw(4);
+ s << " x(ffff) ";
+ s.setf(std::ios::left);
+ s << std::setw(8) << "-1";
+ }
+ else
+ {
+ st = Util::Format("x(%x)",lgth); // we may keep it
+ s.setf(std::ios::left);
+ s << std::setw(11-st.size()) << " ";
+ s << st << " ";
+ s.setf(std::ios::left);
+ s << std::setw(8) << lgth;
+ }
+ s << " Off.: ";
+ st = Util::Format("x(%x)",o); // we may keep it
+ s << std::setw(11-st.size()) << " ";
+ s << st << " ";
+ s << std::setw(8) << o;
+ }
+ //if (PrintLevel >= 1)
+ s << " ";
+
+ s << "[" << vr << "] ";
+
+ std::string name;
+ uint16_t e = GetElement();
+ if ( e == 0x0000 )
+ name = "Group Length";
+ else if ( GetGroup()%2 == 1 )
+ {
+ if ( e >= 0x0010 && e <= 0x00ff )
+ name = "Private Creator";
+ else if (e == 0x0001)
+ name = "Private Group Length To End";
+ }
+ else
+ {
+ name = GetName();
+ // prevent Print from any CR at end of name (hope it's enought!)
+ if (name[name.length()-1] == 0x0d || name[name.length()-1] == 0x0a)
+ {
+ name.replace(name.length()-1, 1, 1, ' ');
+ }
+ }
+ if (PrintLevel >= 1)
+ {
+ s.setf(std::ios::left);
+ s << std::setw(66-name.length()) << " ";
+ }
+
+ s << "[" << name << "]";
+ os << s.str();
+}
+
+//-----------------------------------------------------------------------------
+} // end namespace gdcm