X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmBinEntry.cxx;h=6394cd427f4d6b5a094ccd277c12a6739a5a3257;hb=0416947420d9168401c99e7fbf0dca0a081c9175;hp=b560cc2cd0787d70b2c20f42c6172d6a94f0fd85;hpb=fea9426f960497d2d9124ab532d2097f2915678f;p=gdcm.git

diff --git a/src/gdcmBinEntry.cxx b/src/gdcmBinEntry.cxx
index b560cc2c..6394cd42 100644
--- a/src/gdcmBinEntry.cxx
+++ b/src/gdcmBinEntry.cxx
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmBinEntry.cxx,v $
   Language:  C++
-  Date:      $Date: 2004/10/22 03:05:40 $
-  Version:   $Revision: 1.34 $
+  Date:      $Date: 2005/02/05 04:28:38 $
+  Version:   $Revision: 1.67 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -17,38 +17,39 @@
 =========================================================================*/
 
 #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 BinEntry
  */
-BinEntry::BinEntry(DictEntry* e) : ValEntry(e)
+BinEntry::BinEntry(DictEntry *e) 
+         :ContentEntry(e)
 {
    BinArea = 0;
+   SelfArea = true;
 }
 
 /**
  * \brief   Constructor from a given BinEntry
  * @param   e Pointer to existing Doc entry
  */
-BinEntry::BinEntry(DocEntry* e) : ValEntry(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;
 }
 
 /**
@@ -56,28 +57,121 @@ BinEntry::BinEntry(DocEntry* e) : ValEntry(e->GetDictEntry())
  */
 BinEntry::~BinEntry()
 {
-   if (BinArea)
+   if (BinArea && SelfArea)
    {
       delete[] BinArea;
       BinArea = 0; // let's be carefull !
    }
 }
 
+//-----------------------------------------------------------------------------
+// Public
+/**
+ * \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)
+{ 
+   DocEntry::WriteContent(fp, filetype);
+   void* binArea = GetBinArea();
+   int lgr = GetLength();
+   if (binArea) // the binArea was *actually* loaded
+   {
+
+   // 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
+      const int BUFFER_SIZE = 4096;
+      // 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 *buffer = new uint16_t[BUFFER_SIZE/2];
+
+         // how many BUFFER_SIZE long pieces in binArea ?
+         int nbPieces = lgr/BUFFER_SIZE; //(16 bits = 2 Bytes)
+         int remainingSize = lgr%BUFFER_SIZE;
+
+         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);
+               uint16_t val = binArea16[i];
+               buffer[i] = ((( val << 8 ) & 0xff00 ) | (( val >> 8 ) & 0x00ff ) );
+            }
+            fp->write ( (char*)buffer, BUFFER_SIZE );
+            binArea16 += BUFFER_SIZE/2;
+         }
+         if ( remainingSize > 0)
+         {
+            for (int i = 0; i < remainingSize/2; i++)
+            {
+               //buffer[i] =  (binArea16[i] >> 8) | (binArea16[i] << 8);
+               uint16_t val = binArea16[i];
+               buffer[i] = ((( val << 8 ) & 0xff00 ) | (( val >> 8 ) & 0x00ff ) );
+            }
+            fp->write ( (char*)buffer, 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
+      fp->seekp(lgr, std::ios::cur);
+   }
+}
+
+/**
+ * \brief Sets the value (non string) of the current Dicom Header Entry
+ */
+void BinEntry::SetBinArea( uint8_t *area, bool self )  
+{ 
+   if (BinArea && SelfArea)
+      delete[] BinArea;
+
+   BinArea = area;
+   SelfArea=self;
+}
+
+//-----------------------------------------------------------------------------
+// Protected
 
+//-----------------------------------------------------------------------------
+// Private
+   
 //-----------------------------------------------------------------------------
 // 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 BinEntry::Print(std::ostream &os)
+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() << "]";
    }
@@ -89,53 +183,11 @@ void BinEntry::Print(std::ostream &os)
       }
       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 to be written
-*/
-void BinEntry::Write(std::ofstream* fp, FileType filetype)
-{
-   DocEntry::Write(fp, filetype);
-   void* binArea = GetBinArea();
-   int lgr = GetLength();
-   if (binArea)
-   {
-      // there is a 'non string' LUT, overlay, etc
-      fp->write ( (char*)binArea, lgr ); // Elem value
-
-   }
-   else
-   {
-    // nothing was loaded, but we need to skip space on disc
-      fp->seekp(lgr, std::ios_base::cur);
-   }
-}
-//-----------------------------------------------------------------------------
-// Public
-
-
-/// \brief Sets the value (non string) of the current Dicom Header Entry
-void BinEntry::SetBinArea( uint8_t* area )  
-{ 
-   if (BinArea)
-      delete[] BinArea;
-   BinArea = area;  
-}
-
-//-----------------------------------------------------------------------------
-// Protected
-
-//-----------------------------------------------------------------------------
-// Private
-   
 //-----------------------------------------------------------------------------
 } // end namespace gdcm