Program: gdcm
Module: $RCSfile: gdcmUtil.cxx,v $
Language: C++
- Date: $Date: 2005/02/02 18:13:57 $
- Version: $Revision: 1.131 $
+ Date: $Date: 2005/02/11 20:48:49 $
+ Version: $Revision: 1.139 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
*/
bool Util::IsCurrentProcessorBigEndian()
{
-#ifdef GDCM_WORDS_BIGENDIAN
+#if defined(GDCM_WORDS_BIGENDIAN)
return true;
#else
return false;
OUT AsnObjectIdentifier * supportedView);
#endif //_WIN32
-
+/// \brief gets current M.A.C adress (for internal use only)
int GetMacAddrSys ( unsigned char *addr )
{
#ifdef _WIN32
HANDLE PollForTrapEvent;
AsnObjectIdentifier SupportedView;
- UINT OID_ifEntryType[] = { 1, 3, 6, 1, 2, 1, 2, 2, 1, 3 };
- UINT OID_ifEntryNum[] = { 1, 3, 6, 1, 2, 1, 2, 1 };
+ UINT OID_ifEntryType[] = { 1, 3, 6, 1, 2, 1, 2, 2, 1, 3 };
+ UINT OID_ifEntryNum[] = { 1, 3, 6, 1, 2, 1, 2, 1 };
UINT OID_ipMACEntAddr[] = { 1, 3, 6, 1, 2, 1, 2, 2, 1, 6 };
AsnObjectIdentifier MIB_ifMACEntAddr = {
sizeof(OID_ipMACEntAddr) / sizeof(UINT), OID_ipMACEntAddr };
}
/**
- * Mini function to return the last digit from a number express in base 256
- * pre condition data contain an array of 6 unsigned char
- * post condition carry contain the last digit
+ * \brief Mini function to return the last digit from a number express in base 256
+ * pre condition data contain an array of 6 unsigned char
+ * post condition carry contain the last digit
*/
inline int getlastdigit(unsigned char *data)
{
}
else
{
- gdcmVerboseMacro("Problem in finding the MAC Address");
+ gdcmWarningMacro("Problem in finding the MAC Address");
return "";
}
}
}
//-------------------------------------------------------------------------
-/**
- * \brief
- * @param os ostream to write to
- * @param val val
- */
-template <class T>
-std::ostream &binary_write(std::ostream &os, const T &val)
-{
- return os.write(reinterpret_cast<const char*>(&val), sizeof val);
-}
-
/**
* \brief binary_write binary_write
* @param os ostream to write to
*/
std::ostream &binary_write(std::ostream &os, const uint16_t &val)
{
-#ifdef GDCM_WORDS_BIGENDIAN
+#if defined(GDCM_WORDS_BIGENDIAN) || defined(GDCM_FORCE_BIGENDIAN_EMULATION)
uint16_t swap;
swap = ((( val << 8 ) & 0xff00 ) | (( val >> 8 ) & 0x00ff ) );
return os.write(reinterpret_cast<const char*>(&swap), 2);
*/
std::ostream &binary_write(std::ostream &os, const uint32_t &val)
{
-#ifdef GDCM_WORDS_BIGENDIAN
+#if defined(GDCM_WORDS_BIGENDIAN) || defined(GDCM_FORCE_BIGENDIAN_EMULATION)
uint32_t swap;
swap = ( ((val<<24) & 0xff000000) | ((val<<8) & 0x00ff0000) |
((val>>8) & 0x0000ff00) | ((val>>24) & 0x000000ff) );
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.
+#if defined(GDCM_WORDS_BIGENDIAN) || defined(GDCM_FORCE_BIGENDIAN_EMULATION)
+ const int BUFFER_SIZE = 4096;
+ uint16_t *buffer = new uint16_t[BUFFER_SIZE/2];
+ uint16_t *binArea16 = (uint16_t*)val;
+
+ // how many BUFFER_SIZE long pieces in binArea ?
+ int nbPieces = len/BUFFER_SIZE; //(16 bits = 2 Bytes)
+ int remainingSize = len%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 val16 = binArea16[i];
+ buffer[i] = ((( val16 << 8 ) & 0xff00 ) | (( val16 >> 8 ) & 0x00ff ) );
+ }
+ os.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 val16 = binArea16[i];
+ buffer[i] = ((( val16 << 8 ) & 0xff00 ) | (( val16 >> 8 ) & 0x00ff ) );
+ }
+ os.write ( (char*)buffer, remainingSize );
+ }
+ delete[] buffer;
+ return os;
+#else
+ return os.write(reinterpret_cast<const char*>(val), len);
+#endif
+}
+
//-------------------------------------------------------------------------
// Protected