-// gdcmTS.cxx
-//-----------------------------------------------------------------------------
-#include <fstream>
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmTS.cxx,v $
+ Language: C++
+ Date: $Date: 2005/01/11 16:44:43 $
+ Version: $Revision: 1.35 $
+
+ 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 "gdcmTS.h"
+#include "gdcmDebug.h"
#include "gdcmUtil.h"
+#include "gdcmDictSet.h"
+
+#include <fstream>
+#include <string>
+#include <iostream>
+
+// TODO
+// a lot of troubles expected with TS : 1.2.840.113619.5.2
+// Implicit VR - Big Endian
+// see : http://www.gemedicalsystemseurope.com/euen/it_solutions/pdf/lsqxi_rev2.pdf
+//
-#ifndef PUB_DICT_PATH
-# define PUB_DICT_PATH "../Dicts/"
-#endif
-#define DICT_TS "dicomTS.dic"
+namespace gdcm
+{
+//-----------------------------------------------------------------------------
+static const char *SpecialStrings[] = {
+ // Implicit VR Little Endian
+ "1.2.840.10008.1.2",
+ // Implicit VR Big Endian DLX (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 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",
+ // Unknown
+ "Unknown Transfer Syntax"
+};
+void FillDefaultTSDict(TSHT &ts);
//-----------------------------------------------------------------------------
// Constructor / Destructor
-gdcmTS::gdcmTS(void) {
- std::string filename=gdcmDictSet::BuildDictPath() + std::string(DICT_TS);
+TS::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());
-
- char buff[1024];
- std::string key;
- std::string name;
-
- while (!from.eof()) {
- eatwhite(from);
- from.getline(buff, 1024, ' ');
- key = buff;
- eatwhite(from);
- from.getline(buff, 1024, '\n');
- name = buff;
-
- if(key!="") {
- ts[key]=name;
+ if( !from )
+ {
+ gdcmVerboseMacro("Can't open dictionary" << filename.c_str());
+ FillDefaultTSDict( TsMap );
+ }
+ else
+ {
+ TSKey key;
+ TSAtr name;
+
+ while (!from.eof())
+ {
+ from >> key;
+ from >> std::ws;
+ std::getline(from, name);
+
+ if(key != "")
+ {
+ TsMap[key] = name;
+ }
}
+ from.close();
}
- from.close();
}
-gdcmTS::~gdcmTS() {
- ts.clear();
+//-----------------------------------------------------------------------------
+TS::~TS()
+{
+ TsMap.clear();
}
//-----------------------------------------------------------------------------
// Print
+/**
+ * \ingroup VR
+ * \brief Print all
+ * @param os The output stream to be written to.
+ */
+void TS::Print(std::ostream &os)
+{
+ 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();
+}
//-----------------------------------------------------------------------------
// Public
-int gdcmTS::Count(TSKey key) {
- return ts.count(key);
+int TS::Count(TSKey const &key)
+{
+ return TsMap.count(key);
+}
+
+TSAtr const & TS::GetValue(TSKey const &key)
+{
+ TSHT::const_iterator it = TsMap.find(key);
+ if (it == TsMap.end())
+ {
+ return GDCM_UNFOUND;
+ }
+ return it->second;
+}
+
+bool TS::IsTransferSyntax(TSKey const &key)
+{
+ TSHT::const_iterator it = TsMap.find(key);
+ return it != TsMap.end();
+}
+
+bool TS::IsRLELossless(TSKey const &key)
+{
+ bool r = false;
+ // First check this is an actual transfer syntax
+ if( IsTransferSyntax(key) )
+ {
+ if ( key == SpecialStrings[RLELossless] )
+ {
+ r = true;
+ }
+ }
+ return r;
}
-std::string gdcmTS::GetValue(TSKey key) {
- if (ts.count(key) == 0)
- return (GDCM_UNFOUND);
- return ts[key];
+bool TS::IsJPEGLossless(TSKey const &key)
+{
+ 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;
+}
+
+/**
+ * \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;
+}
+
+/**
+ * \brief Determines if the Transfer Syntax corresponds to any form
+ * of Jpeg encoded Pixel data.
+ * @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) )
+ {
+ if ( key == SpecialStrings[JPEGBaselineProcess1]
+ || key == SpecialStrings[JPEGExtendedProcess2_4]
+ || key == SpecialStrings[JPEGExtendedProcess3_5]
+ || key == SpecialStrings[JPEGSpectralSelectionProcess6_8]
+ || IsJPEGLossless( key )
+ || IsJPEG2000( key ) )
+ {
+ r = true;
+ }
+ }
+ return r;
+}
+
+/**
+ * \brief Determines if the Transfer Syntax corresponds to encapsulated
+ * of encoded Pixel Data (as opposed to native).
+ * @return True when encapsulated. False when native.
+ */
+bool TS::IsEncapsulate(TSKey const &key)
+{
+ bool r = false;
+ // First check this is an actual transfer syntax
+ if( IsTransferSyntax(key) )
+ {
+ if ( key == SpecialStrings[RLELossless]
+ || IsJPEG(key) )
+ {
+ r = true;
+ }
+ }
+ return r;
+}
+
+TS::SpecialType TS::GetSpecialTransferSyntax(TSKey const &key)
+{
+ for (int i = 0; SpecialStrings[i] != NULL; i++)
+ {
+ if ( SpecialStrings[i] == key )
+ {
+ return SpecialType(i);
+ }
+ }
+
+ return UnknownTS;
+}
+
+const char* TS::GetSpecialTransferSyntax(SpecialType t)
+{
+ return SpecialStrings[t];
}
//-----------------------------------------------------------------------------
// Private
//-----------------------------------------------------------------------------
+
+} // end namespace gdcm
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff