X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmBinEntry.cxx;h=037db638ea6d91394b33e68ab3f4284547e1993f;hb=4491b768d9529a24608e44d6ef77dc235d37dbb7;hp=f336472c5e7e6afd515bcadb808862fb3cc95d7e;hpb=fd37aa842b5d31ca266b6bda8a77f3201d02338d;p=gdcm.git

diff --git a/src/gdcmBinEntry.cxx b/src/gdcmBinEntry.cxx
index f336472c..037db638 100644
--- a/src/gdcmBinEntry.cxx
+++ b/src/gdcmBinEntry.cxx
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmBinEntry.cxx,v $
   Language:  C++
-  Date:      $Date: 2004/09/27 08:39:05 $
-  Version:   $Revision: 1.32 $
+  Date:      $Date: 2005/01/30 17:30:57 $
+  Version:   $Revision: 1.59 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -17,59 +17,64 @@
 =========================================================================*/
 
 #include "gdcmBinEntry.h"
+#include "gdcmContentEntry.h"
+
 #include "gdcmDebug.h"
 
+#include <fstream>
+#include <sstream>
+#include <iostream> // for std::ios_base, since <ios> does not exist on gcc/Solaris
+
+namespace gdcm 
+{
 
 //-----------------------------------------------------------------------------
 // Constructor / Destructor
 
 /**
- * \brief   Constructor from a given gdcmBinEntry
+ * \brief   Constructor from a given BinEntry
  */
-gdcmBinEntry::gdcmBinEntry(gdcmDictEntry* e) : gdcmValEntry(e)
+BinEntry::BinEntry(DictEntry *e) : ContentEntry(e)
 {
    BinArea = 0;
+   SelfArea = true;
 }
 
 /**
- * \brief   Constructor from a given gdcmBinEntry
+ * \brief   Constructor from a given BinEntry
  * @param   e Pointer to existing Doc entry
  */
-gdcmBinEntry::gdcmBinEntry(gdcmDocEntry* e) : gdcmValEntry(e->GetDictEntry())
+BinEntry::BinEntry(DocEntry *e) : ContentEntry(e->GetDictEntry())
 {
-   UsableLength = e->GetLength();
-   ReadLength   = e->GetReadLength();
-   ImplicitVR   = e->IsImplicitVR();
-   Offset       = e->GetOffset();
-   PrintLevel   = e->GetPrintLevel();
-   //FIXME
-   //SQDepthLevel = e->GetDepthLevel();
+   Copy(e);
 
    BinArea = 0; // let's be carefull !
+   SelfArea = true;
 }
 
 /**
  * \brief   Canonical destructor.
  */
-gdcmBinEntry::~gdcmBinEntry()
+BinEntry::~BinEntry()
 {
-   if (BinArea)
+   if (BinArea && SelfArea)
    {
       delete[] BinArea;
       BinArea = 0; // let's be carefull !
    }
 }
 
-
 //-----------------------------------------------------------------------------
 // Print
-/*
- * \brief   canonical Printer
+/**
+ * \brief   Prints a BinEntry (Dicom entry)
+ * @param   os ostream we want to print in
+ * @param indent Indentation string to be prepended during printing
  */
- 
-void gdcmBinEntry::Print(std::ostream &os)
+void BinEntry::Print(std::ostream &os, std::string const & )
 {
-   gdcmDocEntry::Print(os);
+   os << "B ";
+   DocEntry::Print(os);
    std::ostringstream s;
    void* binArea = GetBinArea();
    if (binArea)
@@ -88,43 +93,94 @@ void gdcmBinEntry::Print(std::ostream &os)
       {
          //s << " [gdcm::Binary data NOT loaded]";
          s << " [" <<GetValue() << "]";
-      }
-         
+      }         
    }
    os << s.str();
 }
 
-/*
+//-----------------------------------------------------------------------------
+// Public
+/**
  * \brief   canonical Writer
  * @param fp already open file pointer
- * @param filetype type of the file to be written
+ * @param filetype type of the file (ACR, ImplicitVR, ExplicitVR, ...)
 */
-void gdcmBinEntry::Write(FILE* fp, FileType filetype)
-{
-   gdcmDocEntry::Write(fp, filetype);
+void BinEntry::WriteContent(std::ofstream *fp, FileType filetype)
+{ 
+#define BUFFER_SIZE 4096
+   DocEntry::WriteContent(fp, filetype);
    void* binArea = GetBinArea();
    int lgr = GetLength();
-   if (binArea)
+   if (binArea) // the binArea was *actually* loaded
    {
-      // there is a 'non string' LUT, overlay, etc
-      fwrite ( binArea,(size_t)lgr ,(size_t)1 ,fp); // Elem value
+
+   // TODO FIME
+   // Probabely, the same operation will have to be done when we want 
+   // to write image with Big Endian Transfert Syntax, 
+   //   and we are working on Little Endian Processor
+
+#ifdef GDCM_WORDS_BIGENDIAN
+      // Be carefull with *any* 16 bits words 'binEntries !'
+      // if ( GetVR() == "OW") // to be used later
+
+      // TODO FIXME Right now, we only care of Pixels element
+
+      // 8 Bits Pixels *are* OB, 16 Bits Pixels *are* OW
+      // -value forced while Reading process-
+      if (GetGroup() == 0x7fe0 && GetVR() == "OW")
+      {     
+         uint16_t *currPosition = (uint16_t *)binArea;
+
+         // TODO FIXME : Maybe we should allocate somewhere a static buffer,
+         // in order not to have to alloc/delete for almost every BinEntry ...
+         uint16_t *buffer = new uint16_t[BUFFER_SIZE];
+
+         // how many BUFFER_SIZE long pieces in binArea ?
+         int nbPieces = lgr/BUFFER_SIZE/2; //(16 bits = 2 Bytes)
+         uint16_t *binArea16 = (uint16_t*)binArea;
+         for (int j=0;j<nbPieces;j++)
+         {
+            for (int i = 0; i < BUFFER_SIZE/2; i++)
+            {
+               buffer[i] =  (binArea16[i] >> 8) | (binArea16[i] << 8);
+            }
+            fp->write ( (char*)currPosition, BUFFER_SIZE );
+            currPosition += BUFFER_SIZE/2;
+         }
+         int remainingSize = lgr%BUFFER_SIZE;
+         if ( remainingSize != 0)
+         {
+            fp->write ( (char*)currPosition, remainingSize );   
+         } 
+         delete[] buffer; 
+      }
+      else
+      { 
+         // For any other VR, BinEntry is re-written as-is
+         fp->write ( (char*)binArea, lgr );
+      }
+#else
+      fp->write ( (char*)binArea, lgr ); // Elem value
+#endif //GDCM_WORDS_BIGENDIAN
+
    }
    else
    {
-    // nothing was loaded, but we need to skip space on disc
-      fseek(fp,(size_t)lgr,SEEK_CUR); 
+      // nothing was loaded, but we need to skip space on disc
+      fp->seekp(lgr, std::ios::cur);
    }
 }
-//-----------------------------------------------------------------------------
-// Public
-
 
-/// \brief Sets the value (non string) of the current Dicom Header Entry
-void gdcmBinEntry::SetBinArea( uint8_t* area )  
+/**
+ * \brief Sets the value (non string) of the current Dicom Header Entry
+ */
+void BinEntry::SetBinArea( uint8_t *area, bool self )  
 { 
-   if (BinArea)
+   if (BinArea && SelfArea)
       delete[] BinArea;
-   BinArea = area;  
+
+   BinArea = area;
+   SelfArea=self;
 }
 
 //-----------------------------------------------------------------------------
@@ -134,3 +190,4 @@ void gdcmBinEntry::SetBinArea( uint8_t* area )
 // Private
    
 //-----------------------------------------------------------------------------
+} // end namespace gdcm