Program: gdcm
Module: $RCSfile: gdcmDocument.cxx,v $
Language: C++
- Date: $Date: 2007/08/21 12:51:09 $
- Version: $Revision: 1.367 $
+ Date: $Date: 2007/12/05 16:36:21 $
+ Version: $Revision: 1.376 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
/**
* \brief This default constructor neither loads nor parses the file.
- * You should then invoke \ref Document::Load.
+ * You should then invoke Document::Load.
*
*/
Document::Document()
//
std::string RecCode;
RecCode = GetEntryString(0x0008, 0x0010); // recognition code (RET)
- if (RecCode == "ACRNEMA_LIBIDO_1.1" ||
- RecCode == "CANRME_AILIBOD1_1." ) // for brain-damaged softwares
- // with "little-endian strings"
+
+ if(RecCode.find("ACRNEMA_LIBIDO") == 0 || // any version
+ RecCode.find("CANRME_AILIBOD") == 0) // for brain-damaged softwares
+ // with "little-endian strings"
{
Filetype = ACR_LIBIDO;
std::string rows = GetEntryString(0x0028, 0x0010);
//
// -----------------File I/O ---------------
/**
- * \brief Tries to open the file \ref Document::Filename and
+ * \brief Tries to open the file Document::Filename and
* checks the preamble when existing,
* or if the file starts with an ACR-NEMA look-like element.
* @return The FILE pointer on success, 0 on failure.
* @param filetype Type of the File to be written
* (ACR-NEMA, ExplicitVR, ImplicitVR)
*/
-void Document::WriteContent(std::ofstream *fp, FileType filetype)
+void Document::WriteContent(std::ofstream *fp, FileType filetype, bool, bool)
{
// Skip if user wants to write an ACR-NEMA file
* --> was too much tricky / we were [in a hurry / too lazy]
* --> We don't write the element 0x0000 (group length)
*/
-
- ElementSet::WriteContent(fp, filetype, false); // This one is recursive
+ // This one is recursive
+ // false : outside MetaElements
+ // false : outside Sequence
+ ElementSet::WriteContent(fp, filetype, false, false);
}
// -----------------------------------------
//}
/**
- * \brief Compares two documents, according to \ref DicomDir rules
+ * \brief Compares two documents, according to DicomDir rules
* \warning Does NOT work with ACR-NEMA files
* \todo Find a trick to solve the pb (use RET fields ?)
* @param document to compare with current one
vr = entry->GetVR();
//if ( (vr == "OB")||(vr == "OW")||(vr == "UT")||(vr == "SQ"))
- // (no SQ, OW, UT in group 0x0002;)
+ // (no SQ, OW, OL, UT in group 0x0002;)
if ( vr == "OB" )
{
- // explicit VR AND (OB, OW, SQ, UT) : 4 more bytes
+ // explicit VR AND (OB, OW, OL, SQ, UT, UN) : 4 more bytes
groupLength += 4;
}
groupLength += 2 + 2 + 4 + entry->GetLength();
// in the following line.
// (the 'straight' images will no longer be readable ...)
- if ( vr == "OB" || vr == "OW" || vr == "SQ" || vr == "UT"
+ if ( vr == "OB" || vr == "OW" || vr == "OL" || vr == "SQ" || vr == "UT"
|| vr == "UN" || changeFromUN == true)
{
changeFromUN = false;
// "7.1.2 Data element structure with explicit vr", p 27) must be
// skipped before proceeding on reading the length on 4 bytes.
- //Fp->seekg( 2L, std::ios::cur); // Once per OW,OB,SQ DocEntry
- uint32_t length32 = ReadInt32(); // Once per OW,OB,SQ DocEntry
+ //Fp->seekg( 2L, std::ios::cur); // Once per OB,OW,OL,UT,UN,SQ DocEntry
+ uint32_t length32 = ReadInt32(); // Once per OB,OW,OL,UT,UN,SQ DocEntry
CurrentOffsetPosition+=4;
- if ( (vr == "OB" || vr == "OW") && length32 == 0xffffffff )
+ if ( (vr == "OB" || vr == "OW" || vr == "OL") && length32 == 0xffffffff )
{
uint32_t lengthOB;
try
uint16_t elem;
try
- {
+ { ///\todo make sure there is never OL encoded pixel data!
+
//group = ReadInt16(); // Once per fragment (if any) of OB,OW DataElements
//elem = ReadInt16(); // Once per fragment (if any) of OB,OW DataElements
ReadBegBuffer(4); // Once per fragment (if any) of OB,OW DataElements
void Document::SkipToNextDocEntry(DocEntry *currentDocEntry)
{
long l = currentDocEntry->GetReadLength();
- if ( l == -1 ) // length = 0xffff shouldn't appear here ...
+ if ( (uint32_t) l == (uint32_t)-1 ) // length = 0xffff shouldn't appear here ...
// ... but PMS imagers happen !
return;
Fp->seekg((size_t)(currentDocEntry->GetOffset()), std::ios::beg); //FIXME :each DocEntry
}
// Check if next 2 bytes are a VR
// Probabely something more time-consuming exists with std::string
- const char VRvalues[] = "AEASCSDADSFLFDISLOLTPNSHSLSSSTTMUIULUSUTOBOWOFATUNSQ";
- int nbVal = 26;
+ const char VRvalues[] = "AEASATCSDADTFLFDISLOLTPNSHSLSSSTTMUIULUSUTOBOWOLOFATUNSQRT";
+ int nbVal = 29;
const char *pt = VRvalues;
for (int i=0;i<nbVal;i++)
{
- if(*(deb+4) == *pt++)
- if(*(deb+5) == *pt++) {
- Filetype = ExplicitVR;
- return true;
- }
-
+ if(*(deb+4) == *pt++) {
+ if(*(deb+5) == *pt++) {
+ Filetype = ExplicitVR;
+ return true;
+ }
+ else {
+ pt++;
+ }
+ }
}
Filetype = ImplicitVR;
return true;
else if (CurrentGroup%2 == 1 )
{
if (CurrentElem >= 0x0010 && CurrentElem <=0x00ff )
+ {
// DICOM PS 3-5 7.8.1 a) states that :
// Private Creator Data Elements numbered (gggg,0010-00FF) (gggg is odd)
// attributes have to be LO (Long String) and the VM shall be equal to 1
// Still in gdcmtk, David Clunnie disagrees, Marco Eichelberg says it's OK ...
// We let it for a while?
//(We should check length==4, for more security, but we don't have it yet !)
+ }
else if ( CurrentElem == 0x0001)
- realVR = "UL"; // Private Group Length To End
+ {
+ realVR = "UL"; // Private Group Length To Eng
+ }
+ else // check the private dictionary for shadow elements when Implicit VR!
+ {
+ DictEntry *dictEntry = GetDictEntry(CurrentGroup,CurrentElem);
+ if ( dictEntry )
+ {
+ realVR = dictEntry->GetVR();
+ dictEntry->Unregister(); // GetDictEntry registered it
+ }
+ }
}
else
DictEntry *dictEntry = GetDictEntry(CurrentGroup,CurrentElem);
if ( dictEntry )
{
- realVR = dictEntry->GetVR();
+ realVR = dictEntry->GetVR();
dictEntry->Unregister(); // GetDictEntry registered it
// for VR = "UN", length is always stored on 4 bytes.
+ // remember this info, in order not to crash later
changeFromUN=true;
- /// \todo : fixme If inside a supposed to be UN DataElement (but SQ according to a private dictionnary)
- /// there is some more supposed to be UN DataElements, it will probabely fail.
+ /// \todo : fixme If inside a vr = "UN" DataElement (but SQ according to a private dictionnary)
+ /// there is some more vr = "UN" DataElements, it will probabely fail.
/// --> find a -non time consuming- trick to store changeFromUN info at DataElement level,
/// not at the Document level.
+ /// --> ?!? JPR
+
}
}
-
DocEntry *newEntry;
//if ( Global::GetVR()->IsVROfSequence(realVR) )
if (realVR == "SQ")
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff