-// gdcmDocEntry.cxx
-//-----------------------------------------------------------------------------
-//
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmDocEntry.cxx,v $
+ Language: C++
+ Date: $Date: 2007/10/30 09:14:42 $
+ Version: $Revision: 1.96 $
+
+ 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 "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>
-
-#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 DocEntry
+ * @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 misprinting
+
+ // init some variables
+ ReadLength = 0;
+ Length = 0;
+
+ VR = vr;
+ Key.SetGroupElem(group,elem);
+}
+
+/**
+ * \brief Destructor from a given DocEntry
+ */
+DocEntry::~DocEntry()
+{
+ if (DicomDict)
+ {
+ gdcmAssertMacro(DicomDict);
+ DicomDict->Unregister();
+ }
}
+//-----------------------------------------------------------------------------
+// Public
+/**
+ * \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 DocEntry::WriteContent(std::ofstream *fp, FileType filetype, bool insideMetaElements, bool insideSequence)
+{
+ uint32_t ffff = 0xffffffff;
+ uint16_t group = GetGroup();
+
+ ///\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;
+ }
+
+ //
+ // ----------- 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)
+ {
+ // 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)
+ // We shall force the end of a given SeqItem by writting
+ // a Item Delimitation Item (fffe, e00d)
+
+ uint32_t ff = 0xffffffff;
+ binary_write(*fp, ff);
+ return;
+ }
+ uint16_t zero = 0;
+ uint16_t shortLgr = (uint16_t)lgth;
+
+ 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 == "OL") || (vr == "OF")
+ || (vr == "UN") || (vr == "UT") )
+ {
+ 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
+ {
+// ----------- Writes the common part : the VR
+ if (vr == "SQ")
+ {
+ binary_write(*fp, ffff);
+ }
+ else
+ {
+ binary_write(*fp, lgth);
+ }
+ }
+}
+
+/// \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.
+ */
+uint32_t DocEntry::GetFullLength()
+{
+ uint32_t l = GetReadLength();
+ if ( IsImplicitVR() )
+ {
+ l = l + 8; // 2 (gr) + 2 (el) + 4 (lgth)
+ }
+ else
+ {
+ if ( GetVR()=="OB" || GetVR()=="OW" || GetVR()=="OL" || 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;
+}
+
+/**
+ * \brief Copies all the attributes from an other DocEntry
+ * @param doc entry to copy from
+ */
+void DocEntry::Copy(DocEntry *doc)
+{
+ Length = doc->Length;
+ ReadLength = doc->ReadLength;
+ ImplicitVR = doc->ImplicitVR;
+ Offset = doc->Offset;
+}
+
+//-----------------------------------------------------------------------------
+// Protected
+
+//-----------------------------------------------------------------------------
+// Private
+
//-----------------------------------------------------------------------------
// Print
/**
- * \ingroup gdcmDocEntry
- * \brief canonical Printer
+ * \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 gdcmDocEntry::Print(std::ostream & os) {
+void DocEntry::Print(std::ostream &os, std::string const & )
+{
size_t o;
- unsigned short int g, e;
- char st[20];
+ std::string st;
TSKey v;
- std::string d2, vr;
- gdcmTS * ts = gdcmGlobal::GetTS();
+ std::string d2;
+ VRKey vr;
std::ostringstream s;
- guint32 lgth;
- char greltag[10]; //group element tag
+ uint32_t lgth;
- g = GetGroup();
- e = GetElement();
- v = GetValue();
o = GetOffset();
vr = GetVR();
- sprintf(greltag,"%04x|%04x ",g,e);
- s << greltag ;
-
- d2 = CreateCleanString(v); // replace non printable characters by '.'
- if (printLevel>=2) {
- s << "lg : ";
- lgth = GetReadLength(); // ReadLength, as opposed to UsableLength
- if (lgth == 0xffffffff) {
- sprintf(st,"x(ffff)"); // I said : "x(ffff)" !
+ 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(10-strlen(st)) << " ";
- s << st << " ";
+ s << std::setw(4);
+ s << " x(ffff) ";
s.setf(std::ios::left);
- s << std::setw(8) << "-1";
- } else {
- sprintf(st,"x(%x)",lgth);
+ s << std::setw(8) << "-1";
+ }
+ else
+ {
+ st = Util::Format("x(%x)",lgth); // we may keep it
s.setf(std::ios::left);
- s << std::setw(10-strlen(st)) << " ";
+ s << std::setw(11-st.size()) << " ";
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)) << " ";
+ 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 << "] ";
- if (printLevel>=1) {
- s.setf(std::ios::left);
- s << std::setw(66-GetName().length()) << " ";
- }
-
- s << "[" << GetName()<< "]";
-
- if (voidArea != NULL) {
- s << " [gdcm::Non String Data Loaded in Unsecure Area ("
- << GetLength() << ") ]";
- }
-
- else {
- if( (GetLength()<MAX_SIZE_PRINT_ELEMENT_VALUE) ||
- (printLevel>=3) ||
- (d2.find("gdcm::NotLoaded.") < d2.length()) )
- s << " [" << d2 << "]";
- else
- s << " [gdcm::too long for print (" << GetLength() << ") ]";
+ 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";
}
-
- // Display the UID value (instead of displaying only the rough code)
- if (g == 0x0002) { // Any more to be displayed ?
- if ( (e == 0x0010) || (e == 0x0002) )
- s << " ==>\t[" << ts->GetValue(v) << "]";
- } else {
- if (g == 0x0008) {
- if ( (e == 0x0016) || (e == 0x1150) )
- s << " ==>\t[" << ts->GetValue(v) << "]";
- } else {
- if (g == 0x0004) {
- if ( (e == 0x1510) || (e == 0x1512) )
- s << " ==>\t[" << ts->GetValue(v) << "]";
- }
+ 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 (e == 0x0000) { // elem 0x0000 --> group length
- if ( (vr == "UL") || (vr == "US") || (vr == "SL") || (vr == "SS") ) {
- if (v == "4294967295") // to avoid troubles in convertion
- sprintf (st," x(ffffffff)");
- else {
- if ( GetLength() !=0 )
- sprintf(st," x(%x)", atoi(v.c_str()));//FIXME
- else
- sprintf(st," ");
- }
- s << st;
+ if (PrintLevel >= 1)
+ {
+ s.setf(std::ios::left);
+ s << std::setw(66-name.length()) << " ";
}
- s << std::endl;
- os << s.str();
-}
-
-//-----------------------------------------------------------------------------
-// Public
-
-/**
- * \ingroup gdcmDocEntry
- * \brief Gets the full length of the HeaderEntry (not only value length)
- */
-guint32 gdcmDocEntry::GetFullLength(void) {
- guint32 l;
- l = GetLength();
- if ( IsImplicitVR() )
- l = l + 8; // 2 (gr) + 2 (el) + 4 (lgth)
- 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);
+
+ s << "[" << name << "]";
+ os << s.str();
}
//-----------------------------------------------------------------------------
-// Protected
-
-//-----------------------------------------------------------------------------
-// Private
-
-//-----------------------------------------------------------------------------
+} // end namespace gdcm
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff