-// gdcmBinEntry.cxx
-//-----------------------------------------------------------------------------
-//
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmBinEntry.cxx,v $
+ Language: C++
+ Date: $Date: 2005/02/02 10:02:16 $
+ Version: $Revision: 1.61 $
+
+ 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 "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)
+ :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(gdcmDictEntry* e) : gdcmValEntry(e) {
+BinEntry::BinEntry(DocEntry *e)
+ : ContentEntry(e->GetDictEntry())
+{
+ Copy(e);
+ BinArea = 0; // let's be carefull !
+ SelfArea = true;
}
/**
* \brief Canonical destructor.
*/
-gdcmBinEntry::~gdcmBinEntry(){
- free (voidArea);
+BinEntry::~BinEntry()
+{
+ if (BinArea && SelfArea)
+ {
+ delete[] BinArea;
+ BinArea = 0; // let's be carefull !
+ }
}
-
//-----------------------------------------------------------------------------
-// Print
-/*
- * \ingroup gdcmDocEntry
- * \brief canonical Printer
+// 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)
+{
+#define BUFFER_SIZE 4096
+ 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
+ // 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
+ 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;
-//-----------------------------------------------------------------------------
-// Public
+ BinArea = area;
+ SelfArea=self;
+}
//-----------------------------------------------------------------------------
// Protected
// 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
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff