X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmDicomDirMeta.cxx;h=354fd1ed85600c6fc4dbccd30c5306680b5afd87;hb=add6c88b334e9cf4ddb0ae1849f1380f9844f99c;hp=945847609147be8daf65a680e901b1f920acd210;hpb=22f785a2627d1e7823701193bd7624739a3e033b;p=gdcm.git

diff --git a/src/gdcmDicomDirMeta.cxx b/src/gdcmDicomDirMeta.cxx
index 94584760..354fd1ed 100644
--- a/src/gdcmDicomDirMeta.cxx
+++ b/src/gdcmDicomDirMeta.cxx
@@ -1,43 +1,134 @@
-// gdcmDicomDirMeta.h
-//-----------------------------------------------------------------------------
+/*=========================================================================
+                                                                                
+  Program:   gdcm
+  Module:    $RCSfile: gdcmDicomDirMeta.cxx,v $
+  Language:  C++
+  Date:      $Date: 2007/10/08 15:20:17 $
+  Version:   $Revision: 1.40 $
+                                                                                
+  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 "gdcmDicomDirMeta.h"
+#include "gdcmDocument.h"
+#include "gdcmDocEntry.h"
+#include "gdcmGlobal.h"
+#include "gdcmUtil.h"
+#include "gdcmDataEntry.h"
 
+namespace GDCM_NAME_SPACE 
+{
 //-----------------------------------------------------------------------------
 // Constructor / Destructor
 /**
- * \ingroup gdcmDicomDirMeta
- * \brief   
- * @param   begin iterator of begin for the object
- * @param   end   iterator of end   for the object
- */
-gdcmDicomDirMeta::gdcmDicomDirMeta(ListTag::iterator begin,ListTag::iterator end):
-   gdcmObject(begin,end)
+ * \brief  Constructor
+ */ 
+DicomDirMeta::DicomDirMeta(bool empty):
+   DicomDirObject()
 {
+   if ( !empty )
+   {
+      ListDicomDirStudyElem const &elemList = 
+         Global::GetDicomDirElements()->GetDicomDirMetaElements();
+      FillObject(elemList);
+   }
 }
 
 /**
- * \ingroup gdcmDicomDirMeta
  * \brief   Canonical destructor.
  */
-gdcmDicomDirMeta::~gdcmDicomDirMeta() 
+DicomDirMeta::~DicomDirMeta() 
 {
 }
 
 //-----------------------------------------------------------------------------
-// Print
+// Public
 /**
- * \ingroup gdcmDicomDirMeta
- * \brief   Prints the Object
+ * \brief   Writes the Meta Elements
+ * @param fp ofstream to write to
+ * @param filetype type of the file (ImplicitVR, ExplicitVR, JPEG, JPEG2000 ...)
  * @return
  */ 
-void gdcmDicomDirMeta::Print(std::ostream &os)
+void DicomDirMeta::WriteContent(std::ofstream *fp, FileType filetype,
+                                 bool , bool )
 {
-   os<<"META"<<std::endl;
-   gdcmObject::Print(os);
+   // 'File Meta Information Version'
+   
+   uint8_t fmiv[2] = {0x02,0x00};
+   // FIXME : the following doesn't make the job (?!?)      
+   //SetEntryBinArea(fmiv, 0x0002,0x0001, 2); 
+   DataEntry *e00002_0001 = GetDataEntry(0x0002,0x0001);
+   e00002_0001->CopyBinArea(fmiv, 2);
+         
+   // 'Media Storage SOP Instance UID'   
+   DataEntry *e00002_0003 = GetDataEntry(0x0002,0x0003);
+   e00002_0003->SetString(Util::CreateUniqueUID());
+
+   // 'Implementation Class UID'
+   DataEntry *e00002_0012 = GetDataEntry(0x0002,0x0012);
+   e00002_0012->SetString(Util::CreateUniqueUID());   
+   
+   // Entry : 0002|0000 = group length -> recalculated
+   DataEntry *e0000 = GetDataEntry(0x0002,0x0000);
+   std::ostringstream sLen;
+   sLen << ComputeGroup0002Length( );
+   e0000->SetString(sLen.str());
+   
+   for (ListDocEntry::iterator i = DocEntries.begin();  
+                               i!= DocEntries.end();
+                             ++i)
+   {   
+   // true : we are in MetaElements
+      (*i)->WriteContent(fp, filetype, true, false);
+   }
 }
 
-//-----------------------------------------------------------------------------
-// Public
+/**
+ * \brief Re-computes the length of the Dicom group 0002 (in the DicomDirMeta)
+ */
+int DicomDirMeta::ComputeGroup0002Length( ) 
+{
+   uint16_t gr;
+   VRKey vr;
+   
+   int groupLength = 0;
+   bool found0002 = false;   
+  
+   // for each Tag in the DicomDirMeta
+   DocEntry *entry = GetFirstEntry();
+   while( entry )
+   {
+      gr = entry->GetGroup();
+
+      if ( gr == 0x0002 )
+      {
+         found0002 = true;
+
+         if ( entry->GetElement() != 0x0000 )
+         {
+            vr = entry->GetVR();
+
+            if ( vr == "OB" ) 
+            {
+               groupLength +=  4;
+            }
+            groupLength += 2 + 2 + 4 + entry->GetLength();   
+         }
+      }
+      else if (found0002 )
+         break;
+
+      entry = GetNextEntry();
+   }
+   return groupLength; 
+}
 
 //-----------------------------------------------------------------------------
 // Protected
@@ -46,3 +137,25 @@ void gdcmDicomDirMeta::Print(std::ostream &os)
 // Private
 
 //-----------------------------------------------------------------------------
+// Print
+/**
+ * \brief   Prints the Meta Elements
+ * @param os ostream to write to 
+ * @param indent Indentation string to be prepended during printing
+ */ 
+void DicomDirMeta::Print(std::ostream &os, std::string const & )
+{
+   os << "META" << std::endl;
+   // warning : META doesn't behave exactly like a Objet 
+   for (ListDocEntry::iterator i = DocEntries.begin();
+        i != DocEntries.end();
+        ++i)
+   {
+      (*i)->SetPrintLevel(PrintLevel);
+      (*i)->Print();
+      os << std::endl;
+   }
+}
+
+//-----------------------------------------------------------------------------
+} // end namespace gdcm