X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmDocEntry.cxx;h=706d023c351865c50f1db532d8c6f947a60116e9;hb=63a6ec14da5b04d25cfb843e7ccd83d5e566962d;hp=729fe8cccece0a618d5ace6c15bb1f5aa54095e1;hpb=bc69950a406d06c50f0fb75a96572784965cb534;p=gdcm.git

diff --git a/src/gdcmDocEntry.cxx b/src/gdcmDocEntry.cxx
index 729fe8cc..706d023c 100644
--- a/src/gdcmDocEntry.cxx
+++ b/src/gdcmDocEntry.cxx
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmDocEntry.cxx,v $
   Language:  C++
-  Date:      $Date: 2005/10/18 08:35:49 $
-  Version:   $Revision: 1.70 $
+  Date:      $Date: 2005/11/21 12:15:06 $
+  Version:   $Revision: 1.78 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -39,12 +39,24 @@ DocEntry::DocEntry(DictEntry *in)
 {
    ImplicitVR = false;
    DicomDict  = in;
-   SetKey( in->GetKey( ) );
    Offset     = 0 ; // To avoid further missprinting
 
    // init some variables
    ReadLength = 0;
    Length = 0;
+
+   gdcmAssertMacro(DicomDict);
+   DicomDict->Register();
+}
+
+/**
+ * \brief   Destructor from a given DictEntry
+ */
+DocEntry::~DocEntry()
+{
+   gdcmAssertMacro(DicomDict);
+
+   DicomDict->Unregister();
 }
 
 //-----------------------------------------------------------------------------
@@ -72,13 +84,22 @@ void DocEntry::WriteContent(std::ofstream *fp, FileType filetype)
    //
    // ----------- 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
 
    // Dicom V3 group 0x0002 is *always* Explicit VR !
-   if ( filetype == ExplicitVR || group == 0x0002 )
+   if ( filetype == ExplicitVR || filetype == JPEG || group == 0x0002 )
    {
-      // Special case of delimiters:
+
+// ----------- Writes the common part : the VR + the length 
+  
+          // Special case of delimiters:
       if (group == 0xfffe)
       {
          // Delimiters have NO Value Representation
@@ -97,26 +118,20 @@ void DocEntry::WriteContent(std::ofstream *fp, FileType filetype)
       uint16_t zero = 0;
       uint16_t shortLgr = (uint16_t)lgth;
 
-      if (vr == GDCM_UNKNOWN)
+      if( IsVRUnknown() )
       {
-         // GDCM_UNKNOWN was stored in the Entry VR;
+         // 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);
-         gdcmAssertMacro( vr.size() == 2 );
-                  
-         if ( (vr == "OB") || (vr == "OW") || (vr == "SQ") /*|| (vr == "UN")*/ )
+         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") )
          {
             binary_write(*fp, zero);
             if (vr == "SQ")
@@ -139,6 +154,7 @@ void DocEntry::WriteContent(std::ofstream *fp, FileType filetype)
    } 
    else // IMPLICIT VR 
    { 
+// ----------- Writes the common part : the VR  
       if (vr == "SQ")
       {
          binary_write(*fp, ffff);
@@ -232,14 +248,15 @@ void DocEntry::Print(std::ostream &os, std::string const & )
    size_t o;
    std::string st;
    TSKey v;
-   std::string d2, vr;
+   std::string d2;
+   VRKey vr;
    std::ostringstream s;
    uint32_t lgth;
 
    o  = GetOffset();
    vr = GetVR();
-   if ( vr==GDCM_UNKNOWN )
-      vr="  ";
+   if ( vr == GDCM_VRUNKNOWN )
+      vr = "  ";
 
    s << DictEntry::TranslateToKey(GetGroup(),GetElement());