X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmBinEntry.cxx;h=25748140d092289c461e169b2856c6ca1ab6dcd6;hb=7d8c2400914483dd3a89e6581044c64c977445ff;hp=a28e9a5a9edbc27f073ba6fada602613c059de51;hpb=7cbed4e7f082b4d2df1edda48bb3fde175a60b6e;p=gdcm.git

diff --git a/src/gdcmBinEntry.cxx b/src/gdcmBinEntry.cxx
index a28e9a5a..25748140 100644
--- a/src/gdcmBinEntry.cxx
+++ b/src/gdcmBinEntry.cxx
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmBinEntry.cxx,v $
   Language:  C++
-  Date:      $Date: 2005/01/25 15:21:20 $
-  Version:   $Revision: 1.57 $
+  Date:      $Date: 2005/03/02 17:15:52 $
+  Version:   $Revision: 1.72 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -18,8 +18,7 @@
 
 #include "gdcmBinEntry.h"
 #include "gdcmContentEntry.h"
-
-#include "gdcmDebug.h"
+#include "gdcmUtil.h"
 
 #include <fstream>
 #include <sstream>
@@ -27,14 +26,13 @@
 
 namespace gdcm 
 {
-
 //-----------------------------------------------------------------------------
 // Constructor / Destructor
-
 /**
  * \brief   Constructor from a given BinEntry
  */
-BinEntry::BinEntry(DictEntry *e) : ContentEntry(e)
+BinEntry::BinEntry(DictEntry *e) 
+         :ContentEntry(e)
 {
    BinArea = 0;
    SelfArea = true;
@@ -44,11 +42,12 @@ BinEntry::BinEntry(DictEntry *e) : ContentEntry(e)
  * \brief   Constructor from a given BinEntry
  * @param   e Pointer to existing Doc entry
  */
-BinEntry::BinEntry(DocEntry *e) : ContentEntry(e->GetDictEntry())
+BinEntry::BinEntry(DocEntry *e) 
+        : ContentEntry(e->GetDictEntry())
 {
    Copy(e);
 
-   BinArea = 0; // let's be carefull !
+   BinArea = 0;
    SelfArea = true;
 }
 
@@ -64,102 +63,43 @@ BinEntry::~BinEntry()
    }
 }
 
-
 //-----------------------------------------------------------------------------
-// Print
+// Public
 /**
- * \brief   Prints a BinEntry (Dicom entry)
- * @param   os ostream we want to print in
- * @param indent Indentation string to be prepended during printing
- */
-void BinEntry::Print(std::ostream &os, std::string const & )
-{
-   os << "B ";
-   DocEntry::Print(os);
-   std::ostringstream s;
-   void* binArea = GetBinArea();
-   if (binArea)
-   {
-      //s << " [" << GDCM_BINLOADED 
-      s << " [" << GetValue()
-        << "; length = " << GetLength() << "]";
-   }
-   else
-   {
-      if ( GetLength() == 0 )
-      {
-         s << " []";
-      }
-      else 
-      {
-         //s << " [gdcm::Binary data NOT loaded]";
-         s << " [" <<GetValue() << "]";
-      }         
-   }
-   os << s.str();
-}
-
-/*
  * \brief   canonical Writer
  * @param fp already open file pointer
  * @param filetype type of the file (ACR, ImplicitVR, ExplicitVR, ...)
 */
 void BinEntry::WriteContent(std::ofstream *fp, FileType filetype)
 { 
-#define BUFFER_SIZE 4096
    DocEntry::WriteContent(fp, filetype);
-   void* binArea = GetBinArea();
-   int lgr = GetLength();
-   if (binArea) // the binArea was *actually* loaded
+   uint8_t* binArea8 = BinArea; //safe notation
+   size_t lgr = GetLength();
+   if (BinArea) // the binArea was *actually* loaded
    {
+   /// \todo  Probably, the same operation should be done if we wanted 
+   ///        to write image with Big Endian Transfer Syntax, 
+   ///        while working on Little Endian Processor
 
-   // 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
+#if defined(GDCM_WORDS_BIGENDIAN) || defined(GDCM_FORCE_BIGENDIAN_EMULATION)
+      /// \todo FIXME Right now, we only care of Pixels element
+      ///       we should deal with *all* the BinEntries
+      ///       well not really since we are not interpreting values read...
 
       // 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; 
+         uint16_t *binArea16 = (uint16_t*)binArea8;
+         binary_write (*fp, binArea16, lgr );
       }
       else
       { 
          // For any other VR, BinEntry is re-written as-is
-         fp->write ( (char*)binArea, lgr );
+         binary_write (*fp, binArea8, lgr );
       }
 #else
-      fp->write ( (char*)binArea, lgr ); // Elem value
+      binary_write ( *fp, binArea8, lgr ); // Elem value
 #endif //GDCM_WORDS_BIGENDIAN
 
    }
@@ -169,11 +109,10 @@ void BinEntry::WriteContent(std::ofstream *fp, FileType filetype)
       fp->seekp(lgr, std::ios::cur);
    }
 }
-//-----------------------------------------------------------------------------
-// Public
-
 
-/// \brief Sets the value (non string) of the current Dicom Header Entry
+/**
+ * \brief Sets the value (non string) of the current Dicom Header Entry
+ */
 void BinEntry::SetBinArea( uint8_t *area, bool self )  
 { 
    if (BinArea && SelfArea)
@@ -189,5 +128,37 @@ void BinEntry::SetBinArea( uint8_t *area, bool self )
 //-----------------------------------------------------------------------------
 // Private
    
+//-----------------------------------------------------------------------------
+// Print
+/**
+ * \brief   Prints a BinEntry (Dicom entry)
+ * @param   os ostream we want to print in
+ * @param indent Indentation string to be prepended during printing
+ */
+void BinEntry::Print(std::ostream &os, std::string const & )
+{
+   os << "B ";
+   DocEntry::Print(os);
+   std::ostringstream s;
+   void* binArea = GetBinArea();
+   if (binArea)
+   {
+      s << " [" << GetValue()
+        << "; length = " << GetLength() << "]";
+   }
+   else
+   {
+      if ( GetLength() == 0 )
+      {
+         s << " []";
+      }
+      else 
+      {
+         s << " [" <<GetValue() << "]";
+      }         
+   }
+   os << s.str();
+}
+
 //-----------------------------------------------------------------------------
 } // end namespace gdcm