Program: gdcm
Module: $RCSfile: gdcmTS.cxx,v $
Language: C++
- Date: $Date: 2004/07/19 15:16:19 $
- Version: $Revision: 1.23 $
+ Date: $Date: 2009/03/04 08:57:42 $
+ Version: $Revision: 1.56 $
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.htm for details.
+ 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
=========================================================================*/
-#include <fstream>
-#include <string>
-#include <iostream>
-
#include "gdcmTS.h"
#include "gdcmDebug.h"
#include "gdcmUtil.h"
#include "gdcmDictSet.h"
+#include <fstream>
+#include <string>
+#include <iostream>
+#include <ctype.h> // for isdigit
+
+// TODO
+// troubles expected with TS : 1.2.840.113619.5.2
+// Implicit VR - Big Endian
+// http://www.gemedicalsystemseurope.com/euen/it_solutions/pdf/lsqxi_rev2.pdf
+// G.E. deliberately violated a lot of Dicom rules are
+// (probabely to avoid other people to read their images)
+// Just try and error on new images :
+// PrintFile debug filein=...
+// and fix the bugs
+namespace GDCM_NAME_SPACE
+{
+//-----------------------------------------------------------------------------
+/// \brief Transfer Syntaxes gdcm deals with (internal use only)
+static const char *SpecialStrings[] = {
+ // Implicit VR Little Endian
+ "1.2.840.10008.1.2",
+ // Implicit VR Big Endian (G.E Private)
+ "1.2.840.113619.5.2",
+ // Explicit VR Little Endian
+ "1.2.840.10008.1.2.1",
+ // Deflated Explicit VR Little Endian
+ "1.2.840.10008.1.2.1.99",
+ // Explicit VR Big Endian
+ "1.2.840.10008.1.2.2",
+ // JPEG Baseline (Process 1)
+ "1.2.840.10008.1.2.4.50",
+ // JPEG Extended (Process 2 & 4)
+ "1.2.840.10008.1.2.4.51",
+ // JPEG Extended (Process 3 & 5)
+ "1.2.840.10008.1.2.4.52",
+ // JPEG Spectral Selection, Non-Hierarchical (Process 6 & 8)
+ "1.2.840.10008.1.2.4.53",
+ // JPEG Full Progression, Non-Hierarchical (Process 10 & 12)
+ "1.2.840.10008.1.2.4.55",
+ // JPEG Lossless, Non-Hierarchical (Process 14)
+ "1.2.840.10008.1.2.4.57",
+ // JPEG Lossless, Hierarchical, First-Order Prediction (Process 14,
+ // [Selection Value 1])
+ "1.2.840.10008.1.2.4.70",
+ // JPEG-LS Lossless Image Compression
+ "1.2.840.10008.1.2.4.80",
+ // JPEG-LS Lossy (Near-Lossless) Image Compression
+ "1.2.840.10008.1.2.4.81",
+ // JPEG 2000 Lossless
+ "1.2.840.10008.1.2.4.90",
+ // JPEG 2000
+ "1.2.840.10008.1.2.4.91",
+ // RLE Lossless
+ "1.2.840.10008.1.2.5",
+ // MPEG2 Main Profile @ Main Level
+ "1.2.840.10008.1.2.4.100",
+
+ // The following are *not* t.s. but SOP uid
+ // Ultrasound Image Storage (Retired)
+ "1.2.840.10008.5.1.4.1.1.6",
+
+ // Unknown
+ "Unknown Transfer Syntax", // Pretty sure we never use this case...
+ NULL // Compilers have no obligation to finish by NULL, do it ourself
+};
+
+//-----------------------------------------------------------------------------
+/// \brief auto generated function, to fill up the Dicom Dictionnary,
+/// if relevant file is not found on user's disk
+void FillDefaultTSDict(TSHT &ts);
//-----------------------------------------------------------------------------
// Constructor / Destructor
-gdcmTS::gdcmTS(void)
+TS::TS()
{
- std::string filename=gdcmDictSet::BuildDictPath() + std::string(DICT_TS);
+
+ std::string filename = DictSet::BuildDictPath() + DICT_TS;
std::ifstream from(filename.c_str());
- dbg.Error(!from, "gdcmTS::gdcmTS: can't open dictionary",filename.c_str());
+ if ( !from )
+ {
+ gdcmWarningMacro("Can't open dictionary" << filename.c_str());
+ FillDefaultTSDict( TsMap );
+ }
+ else
+ {
+ TSKey key;
+ TSAtr name;
- std::string key;
- std::string name;
+ while (!from.eof())
+ {
+ from >> key;
+ from >> std::ws;
+ std::getline(from, name);
+
+ if (key != "")
+ {
+ TsMap[key] = name;
+ }
+ }
+
+ from.close();
+ }
+}
+
+TS::~TS()
+{
+ TsMap.clear();
+}
+
+//-----------------------------------------------------------------------------
+// Public
- while (!from.eof()) {
- from >> key;
+/// \brief returns occurence number of the given key
+int TS::Count(TSKey const &key)
+{
+ return TsMap.count(key);
+}
+
+/// \brief returns the human readable value of a Transfer Syntax string
+TSAtr const &TS::GetValue(TSKey const &key)
+{
+ // First thing clean up the string
+ // (sometimes the transfer syntax is padded with spaces)
+ std::string copy = key;
+ while ( copy.size() && !isdigit((unsigned char)copy[copy.size()-1]) )
+ {
+ copy.erase(copy.size()-1, 1);
+ }
- eatwhite(from);
- std::getline(from, name); /// MEMORY LEAK
+ TSHT::const_iterator it = TsMap.find(copy);
+ if (it == TsMap.end())
+ {
+ return GDCM_UNFOUND;
+ }
+ return it->second;
+}
+/**
+ * \brief Determines if the key passed corresponds to a 'Transfer Syntax'
+ * as defined in DICOM (and stored in gdcm::TS class)
+ * @return True when key is an actual 'Transfer Syntax'.
+ * False in all other cases.
+ */
+bool TS::IsTransferSyntax(TSKey const &key)
+{
+ TSHT::const_iterator it = TsMap.find(key);
+ return it != TsMap.end();
+}
- if(key!="")
+/**
+ * \brief Determines if the Transfer Syntax was already encountered
+ * and if it corresponds to a Run Length Encoding Lossless one
+ * @return True when Run Length Encoding Lossless found.
+ * False in all other cases.
+ */
+bool TS::IsRLELossless(TSKey const &key)
+{
+ bool r = false;
+ // First check this is an actual transfer syntax
+ if ( IsTransferSyntax(key) )
+ {
+ if ( key == SpecialStrings[RLELossless] )
{
- ts[key]=name;
+ r = true;
}
}
- from.close();
+ return r;
}
-gdcmTS::~gdcmTS()
+/**
+ * \brief Determines if the Transfer Syntax was already encountered
+ * and if it corresponds to a 'classical' JPEG Lossless one
+ * @return True when 'classical' Lossless found.
+ * False in all other cases.
+ */
+bool TS::IsJPEGLossless(TSKey const &key)
{
- ts.clear();
+ bool r = false;
+ // First check this is an actual transfer syntax
+ if ( IsTransferSyntax(key) )
+ {
+ if ( key == SpecialStrings[JPEGFullProgressionProcess10_12]
+ || key == SpecialStrings[JPEGLosslessProcess14]
+ || key == SpecialStrings[JPEGLosslessProcess14_1] )
+ {
+ r = true;
+ }
+ }
+ return r;
}
-//-----------------------------------------------------------------------------
-// Print
/**
- * \ingroup gdcmVR
- * \brief Print all
- * @param os The output stream to be written to.
+ * \brief Determines if the Transfer Syntax was already encountered
+ * and if it corresponds to a 'classical' JPEG Lossy one
+ * @return True when 'classical' Lossy found.
+ * False in all other cases.
*/
-void gdcmTS::Print(std::ostream &os)
+bool TS::IsJPEGLossy(TSKey const &key)
{
- std::ostringstream s;
+ bool r = false;
+ // First check this is an actual transfer syntax
+ if ( IsTransferSyntax(key) )
+ {
+ if ( key == SpecialStrings[JPEGBaselineProcess1]
+ || key == SpecialStrings[JPEGExtendedProcess2_4]
+ || key == SpecialStrings[JPEGExtendedProcess3_5]
+ || key == SpecialStrings[JPEGSpectralSelectionProcess6_8] )
+ {
+ r = true;
+ }
+ }
+ return r;
+}
+
+/**
+ * \brief Determines if the Transfer Syntax was already encountered
+ * and if it corresponds to a JPEG2000 one
+ * @return True when JPEG2000 (Lossly or LossLess) found.
+ * False in all other cases.
+ */
+bool TS::IsJPEG2000(TSKey const &key)
+{
+ bool r = false;
+ // First check this is an actual transfer syntax
+ if ( IsTransferSyntax(key) )
+ {
+ if ( key == SpecialStrings[JPEG2000Lossless]
+ || key == SpecialStrings[JPEG2000] )
+ {
+ r = true;
+ }
+ }
+ return r;
+}
- for (TSHT::iterator it = ts.begin(); it != ts.end(); ++it)
+/**
+ * \brief Determines if the Transfer Syntax corresponds to
+ * 'classical' Jpeg Lossless or Jpeg lossy.
+ * @return True when any form of JPEG found. False otherwise.
+ */
+bool TS::IsJPEG(TSKey const &key)
+{
+ bool r = false;
+ // First check this is an actual transfer syntax
+ if ( IsTransferSyntax(key) )
{
- s << "TS : "<<it->first<<" = "<<it->second<<std::endl;
+ if ( IsJPEGLossy( key )
+ || IsJPEGLossless( key )
+ || IsJPEG2000( key )
+ || IsJPEGLS( key )
+ )
+ {
+ r = true;
+ }
}
- os << s.str();
+ return r;
}
-//-----------------------------------------------------------------------------
-// Public
-int gdcmTS::Count(TSKey key)
+/**
+ * \brief Determines if the Transfer Syntax corresponds to any form
+ * of Jpeg-LS encoded Pixel data.
+ * @return True when any form of JPEG-LS found. False otherwise.
+ */
+bool TS::IsJPEGLS(TSKey const &key)
{
- return ts.count(key);
+ bool r = false;
+ // First check this is an actual transfer syntax
+ if ( IsTransferSyntax(key) )
+ {
+ if ( key == SpecialStrings[JPEGLSLossless]
+ || key == SpecialStrings[JPEGLSNearLossless] )
+ {
+ r = true;
+ }
+ }
+ return r;
}
-std::string gdcmTS::GetValue(TSKey key)
+/**
+ * \brief Determines if the Transfer Syntax corresponds to any form
+ * of MPEG encoded Pixel data.
+ * @return True when any form of MPEG found. False otherwise.
+ */
+bool TS::IsMPEG(TSKey const &key)
{
- if (ts.count(key) == 0)
- return GDCM_UNFOUND;
- return ts[key];
+ bool r = false;
+ // First check this is an actual transfer syntax
+ if ( IsTransferSyntax(key) )
+ {
+ if ( key == SpecialStrings[MPEG2MainProfile] )
+ {
+ r = true;
+ }
+ }
+ return r;
+}
+
+/**
+ * \brief Determines if the SOP id corresponds to any form
+ * of UltrasoundImageStorage_Retired.
+ * @return True when Ultrasound Image Storage Retired. False otherwise.
+ */
+bool TS::IsUltrasoundImageStorage_Retired(TSKey const &key)
+{
+ bool r = false;
+ // First check this is an actual SOP id
+ if ( IsTransferSyntax(key) )
+ {
+ if ( key == SpecialStrings[UltrasoundImageStorage_Retired] )
+ {
+ r = true;
+ }
+ }
+ return r;
+}
+/**
+ * \brief GetSpecialTransferSyntax ??
+ * @param key TSKey const &key ??
+ * @return TS::SpecialType ??.
+ */
+TS::SpecialType TS::GetSpecialTransferSyntax(TSKey const &key)
+{
+ for (int i = 0; SpecialStrings[i] != NULL; i++)
+ {
+ if ( SpecialStrings[i] == key )
+ {
+ return SpecialType(i);
+ }
+ }
+ return UnknownTS;
+}
+
+/**
+ * \brief GetSpecialTransferSyntax ??
+ * @param t SpecialType t ??
+ * @return char* TS : SpecialStrings[t] ??.
+ */
+const char *TS::GetSpecialTransferSyntax(SpecialType t)
+{
+ return SpecialStrings[t];
}
//-----------------------------------------------------------------------------
// Private
//-----------------------------------------------------------------------------
+// Print
+/**
+ * \brief Print all
+ * @param os The output stream to be written to.
+ */
+void TS::Print(std::ostream &os,std::string const &)
+{
+ std::ostringstream s;
+
+ for (TSHT::const_iterator it = TsMap.begin(); it != TsMap.end(); ++it)
+ {
+ s << "TS : " << it->first << " = " << it->second << std::endl;
+ }
+ os << s.str();
+}
+
+//-----------------------------------------------------------------------------
+} // end namespace gdcm
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff