Program: gdcm
Module: $RCSfile: gdcmBinEntry.cxx,v $
Language: C++
- Date: $Date: 2005/02/11 16:36:52 $
- Version: $Revision: 1.69 $
+ Date: $Date: 2005/02/11 19:00:39 $
+ Version: $Revision: 1.70 $
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 "gdcmContentEntry.h"
-
-#include "gdcmDebug.h"
+#include "gdcmUtil.h"
#include <fstream>
#include <sstream>
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
+ uint8_t* binArea8 = BinArea; //safe notation
+ size_t lgr = GetLength();
+ if (BinArea) // the binArea was *actually* loaded
{
-
/// \todo 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
/// 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 *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;
+ 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
}
Program: gdcm
Module: $RCSfile: gdcmJpeg.cxx,v $
Language: C++
- Date: $Date: 2005/02/05 15:15:26 $
- Version: $Revision: 1.46 $
+ Date: $Date: 2005/02/11 19:00:39 $
+ Version: $Revision: 1.47 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
jerr.pub.error_exit = my_error_exit;
// for any output message call my_output_message
//jerr.pub.output_message = my_output_message;
-
+
// Establish the setjmp return context for my_error_exit to use.
if (setjmp(jerr.setjmp_buffer))
{
// Suspension in jpeg_read_header
statesuspension = 2;
}
-
+
// Step 4: set parameters for decompression
// prevent the library from performing any color space conversion
if( cinfo.process == JPROC_LOSSLESS )
Program: gdcm
Module: $RCSfile: gdcmUtil.cxx,v $
Language: C++
- Date: $Date: 2005/02/11 15:22:18 $
- Version: $Revision: 1.133 $
+ Date: $Date: 2005/02/11 19:00:39 $
+ Version: $Revision: 1.134 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
return os.write(val.c_str(), val.size());
}
+/**
+ * \brief binary_write binary_write
+ * @param os ostream to write to
+ * @param val val
+ */
+std::ostream &binary_write(std::ostream &os, const uint8_t *val, size_t len)
+{
+ // We are writting sizeof(char) thus no need to swap bytes
+ return os.write(reinterpret_cast<const char*>(val), len);
+}
+
+/**
+ * \brief binary_write binary_write
+ * @param os ostream to write to
+ * @param val val
+ */
+std::ostream &binary_write(std::ostream &os, const uint16_t *val, size_t len)
+{
+// This is tricky since we are writting two bytes buffer. Be carefull with little endian
+// vs big endian. Also this other trick is to allocate a small (efficient) buffer that store
+// intermidiate result before writting it.
+#ifdef GDCM_WORDS_BIGENDIAN
+ const int BUFFER_SIZE = 4096;
+ 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;
+
+ 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
+ return os.write(reinterpret_cast<const char*>(val), len);
+#endif
+}
+
//-------------------------------------------------------------------------
// Protected
Program: gdcm
Module: $RCSfile: gdcmUtil.h,v $
Language: C++
- Date: $Date: 2005/02/02 15:07:41 $
- Version: $Revision: 1.53 $
+ Date: $Date: 2005/02/11 19:00:39 $
+ Version: $Revision: 1.54 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
GDCM_EXPORT std::ostream &binary_write(std::ostream &os, const uint32_t &val);
GDCM_EXPORT std::ostream &binary_write(std::ostream &os, const char *val);
GDCM_EXPORT std::ostream &binary_write(std::ostream &os, std::string const &val);
+GDCM_EXPORT std::ostream &binary_write(std::ostream &os, const uint8_t *val, size_t len);
+GDCM_EXPORT std::ostream &binary_write(std::ostream &os, const uint16_t *val, size_t len);
} // end namespace gdcm
//-----------------------------------------------------------------------------
#endif
projects / gdcm.git / commitdiff