X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmDocEntry.cxx;h=e299a36b45272349d07b91d7724e3673fa064922;hb=7815fe9dc3532b716dc478ca0f255263f99d296f;hp=668fbefcfc057662ceb3ae6c7bd5199daf377b36;hpb=0d33ba5ffb1c6beac21f33bd3e3aad67b7608c9d;p=gdcm.git diff --git a/src/gdcmDocEntry.cxx b/src/gdcmDocEntry.cxx index 668fbefc..e299a36b 100644 --- a/src/gdcmDocEntry.cxx +++ b/src/gdcmDocEntry.cxx @@ -1,6 +1,20 @@ -// gdcmDocEntry.cxx -//----------------------------------------------------------------------------- -// +/*========================================================================= + + Program: gdcm + Module: $RCSfile: gdcmDocEntry.cxx,v $ + Language: C++ + Date: $Date: 2004/08/01 03:20:23 $ + Version: $Revision: 1.15 $ + + 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. + + 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 "gdcmTS.h" @@ -19,16 +33,10 @@ * \brief Constructor from a given gdcmDictEntry * @param in Pointer to existing dictionary entry */ -gdcmDocEntry::gdcmDocEntry(gdcmDictEntry* in) { +gdcmDocEntry::gdcmDocEntry(gdcmDictEntry* in) +{ ImplicitVR = false; - entry = in; -} - -void gdcmDocEntry::Print(std::ostream & os) { - std::ostringstream s; - s << std::endl; - PrintCommonPart(os); - os << s.str(); + DictEntry = in; } //----------------------------------------------------------------------------- @@ -36,10 +44,11 @@ void gdcmDocEntry::Print(std::ostream & os) { /** * \ingroup gdcmDocEntry * \brief Prints the common part of gdcmValEntry, gdcmBinEntry, gdcmSeqEntry + * @param os ostream we want to print in */ -void gdcmDocEntry::PrintCommonPart(std::ostream & os) { - - printLevel=2; // FIXME +void gdcmDocEntry::Print(std::ostream & os) +{ + PrintLevel = 2; // FIXME size_t o; unsigned short int g, e; @@ -47,7 +56,7 @@ void gdcmDocEntry::PrintCommonPart(std::ostream & os) { TSKey v; std::string d2, vr; std::ostringstream s; - guint32 lgth; + uint32_t lgth; char greltag[10]; //group element tag g = GetGroup(); @@ -57,17 +66,21 @@ void gdcmDocEntry::PrintCommonPart(std::ostream & os) { sprintf(greltag,"%04x|%04x ",g,e); s << greltag ; - if (printLevel>=2) { + if (PrintLevel >= 2) + { s << "lg : "; lgth = GetReadLength(); // ReadLength, as opposed to UsableLength - if (lgth == 0xffffffff) { + 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 { + } + else + { sprintf(st,"x(%x)",lgth); s.setf(std::ios::left); s << std::setw(10-strlen(st)) << " "; @@ -84,7 +97,8 @@ void gdcmDocEntry::PrintCommonPart(std::ostream & os) { s << "[" << vr << "] "; - if (printLevel>=1) { + if (PrintLevel >= 1) + { s.setf(std::ios::left); s << std::setw(66-GetName().length()) << " "; } @@ -93,6 +107,100 @@ void gdcmDocEntry::PrintCommonPart(std::ostream & os) { os << s.str(); } +/** + * \ingroup gdcmDocEntry + * \brief Writes the common part of any gdcmValEntry, gdcmBinEntry, gdcmSeqEntry + */ +void gdcmDocEntry::Write(FILE *fp, FileType filetype) +{ + uint32_t FFFF = 0xffffffff; + uint16_t group = GetGroup(); + gdcmVRKey vr = GetVR(); + uint16_t el = GetElement(); + uint32_t lgr = GetReadLength(); + + if ( group == 0xfffe && el == 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 +// + fwrite ( &group,(size_t)2 ,(size_t)1 ,fp); //group + fwrite ( &el, (size_t)2 ,(size_t)1 ,fp); //element + + if ( filetype == gdcmExplicitVR ) + { + // 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) + // 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) + + // TODO : verify if the Sequence Delimitor Item was forced during Parsing + + int ff = 0xffffffff; + fwrite (&ff,(size_t)4 ,(size_t)1 ,fp); + return; + } + + uint16_t z = 0; + uint16_t 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); + + if ( (vr == "OB") || (vr == "OW") || (vr == "SQ") || (vr == "UN") ) + { + fwrite ( &z, (size_t)2 ,(size_t)1 ,fp); + if (vr == "SQ") + { + // we set SQ length to ffffffff + // and we shall write a Sequence Delimitor Item + // at the end of the Sequence! + fwrite ( &FFFF,(size_t)4 ,(size_t)1 ,fp); + } + else + { + fwrite ( &lgr,(size_t)4 ,(size_t)1 ,fp); + } + } + else + { + fwrite ( &shortLgr,(size_t)2 ,(size_t)1 ,fp); + } + } + } + else // IMPLICIT VR + { + if (vr == "SQ") + { + fwrite ( &FFFF,(size_t)4 ,(size_t)1 ,fp); + } + else + { + fwrite ( &lgr,(size_t)4 ,(size_t)1 ,fp); + } + } +} + //----------------------------------------------------------------------------- // Public @@ -100,46 +208,59 @@ void gdcmDocEntry::PrintCommonPart(std::ostream & os) { * \ingroup gdcmDocEntry * \brief Gets the full length of the elementary DocEntry (not only value length) */ -guint32 gdcmDocEntry::GetFullLength(void) { - guint32 l; - l = GetReadLength(); - if ( IsImplicitVR() ) +uint32_t gdcmDocEntry::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); + } + } + 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; +void gdcmDocEntry::Copy (gdcmDocEntry* e) +{ + DictEntry = e->DictEntry; + UsableLength = e->UsableLength; + ReadLength = e->ReadLength; + ImplicitVR = e->ImplicitVR; + Offset = e->Offset; + PrintLevel = e->PrintLevel; // TODO : remove gdcmDocEntry SQDepth } -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' SequenceItem + * (fffe,e00d) + */ +bool gdcmDocEntry::IsItemDelimitor() +{ + return (GetGroup() == 0xfffe && GetElement() == 0xe00d); } - -bool gdcmDocEntry::isSequenceDelimitor() { - if (GetGroup() == 0xfffe && GetElement() == 0xe0dd) - return true; - else - return false; +/** + * \ingroup gdcmDocEntry + * \brief tells us if entry is the last one of a 'no length' Sequence + * (fffe,e0dd) + */ +bool gdcmDocEntry::IsSequenceDelimitor() +{ + return (GetGroup() == 0xfffe && GetElement() == 0xe0dd); } //-----------------------------------------------------------------------------