Program: gdcm
Module: $RCSfile: gdcmBinEntry.cxx,v $
Language: C++
- Date: $Date: 2005/01/07 16:45:51 $
- Version: $Revision: 1.44 $
+ Date: $Date: 2005/01/16 04:50:41 $
+ Version: $Revision: 1.53 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include "gdcmBinEntry.h"
#include "gdcmDebug.h"
+
#include <fstream>
+#include <sstream>
#include <iostream> // for std::ios_base, since <ios> does not exist on gcc/Solaris
namespace gdcm
* \brief canonical Printer
*/
-void BinEntry::Print(std::ostream &os)
+void BinEntry::Print(std::ostream &os, std::string const & )
{
os << "B ";
DocEntry::Print(os);
* @param filetype type of the file to be written
*/
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
+
+ // 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 onj 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
+ // nothing was loaded, but we need to skip space on disc
fp->seekp(lgr, std::ios::cur);
}
}