X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmTS.cxx;h=348f7e003c496a68942de9b0b5261eeb1fa3afc0;hb=0ad9dae4659b21bfd5c834c1af724eab4dcdf4f6;hp=7f5043856bc86ec21b918462549ad165bb5cd153;hpb=7589d23967892c94462e22a49ec50fcd225c5c38;p=gdcm.git diff --git a/src/gdcmTS.cxx b/src/gdcmTS.cxx index 7f504385..348f7e00 100644 --- a/src/gdcmTS.cxx +++ b/src/gdcmTS.cxx @@ -1,43 +1,318 @@ -// gdcmTS.cxx - -#include +/*========================================================================= + + Program: gdcm + Module: $RCSfile: gdcmTS.cxx,v $ + Language: C++ + Date: $Date: 2005/01/23 10:12:34 $ + Version: $Revision: 1.38 $ + + 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 +#include +#include + +// 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 +// + +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-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", + // Unknown + "Unknown Transfer Syntax" +}; + +void FillDefaultTSDict(TSHT &ts); +//----------------------------------------------------------------------------- +// Constructor / Destructor +TS::TS() +{ + std::string filename = DictSet::BuildDictPath() + DICT_TS; + std::ifstream from(filename.c_str()); + 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(); + } +} + +//----------------------------------------------------------------------------- +TS::~TS() +{ + TsMap.clear(); +} + +//----------------------------------------------------------------------------- +// Print +/** + * \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 TS::Count(TSKey const &key) +{ + return TsMap.count(key); +} + +TSAtr const & TS::GetValue(TSKey const &key) +{ + // First thing clean up the string sometime 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); + } + + 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(); +} -gdcmTS::gdcmTS(void) { - ts["1.2.840.10008.1.2"] = "Implicit VR - Little Endian"; - ts["1.2.840.10008.1.2.1"] = "Explicit VR - Little Endian"; - ts["1.2.840.10008.1.2.1.99"] = "Deflated Explicit VR - Little Endian"; - ts["1.2.840.10008.1.2.2"] = "Explicit VR - Big Endian"; - ts["1.2.840.10008.1.2.4.50"] = "JPEG Baseline (Process 1)"; - ts["1.2.840.10008.1.2.4.51"] = "JPEG Extended (Process 2 & 4)"; - ts["1.2.840.10008.1.2.4.52"] = "JPEG Extended (Process 3 & 5)"; - ts["1.2.840.10008.1.2.4.53"] = "JPEG Spectral Selection, Non-Hierarchical (Process 6 & 8)"; - ts["1.2.840.10008.1.2.4.54"] = "JPEG Spectral Selection, Non-Hierarchical (Process 7 & 9)"; - ts["1.2.840.10008.1.2.4.55"] = "JPEG Spectral Selection, Non-Hierarchical (Process 10 & 12)"; - ts["1.2.840.10008.1.2.4.56"] = "JPEG Spectral Selection, Non-Hierarchical (Process 11 & 13)"; - ts["1.2.840.10008.1.2.4.57"] = "JPEG Baseline (Process 14)"; - ts["1.2.840.10008.1.2.4.58"] = "JPEG Baseline (Process 15)"; - ts["1.2.840.10008.1.2.4.59"] = "JPEG Spectral Selection, Non-Hierarchical (Process 16 & 18)"; - ts["1.2.840.10008.1.2.4.60"] = "JPEG Spectral Selection, Non-Hierarchical (Process 17 & 19)"; - ts["1.2.840.10008.1.2.4.61"] = "JPEG Spectral Selection, Non-Hierarchical (Process 20 & 22)"; - ts["1.2.840.10008.1.2.4.62"] = "JPEG Spectral Selection, Non-Hierarchical (Process 21 & 23)"; - ts["1.2.840.10008.1.2.4.63"] = "JPEG Spectral Selection, Non-Hierarchical (Process 24 & 26)"; - ts["1.2.840.10008.1.2.4.64"] = "JPEG Spectral Selection, Non-Hierarchical (Process 25 & 27)"; - ts["1.2.840.10008.1.2.4.65"] = "JPEG Lossless, Hierarchical (Process 28)"; - ts["1.2.840.10008.1.2.4.66"] = "JPEG Lossless, Hierarchical (Process 29)"; - ts["1.2.840.10008.1.2.4.70"] = "Non-Hierarchical, First-Order Prediction (Process 14 [Selection Value 1])"; - ts["1.2.840.10008.1.2.5"] = "RLE Lossless"; -} - -gdcmTS::~gdcmTS() { - ts.clear(); -} - -int gdcmTS::Count(TSKey key) { - return ts.count(key); -} - -std::string gdcmTS::GetValue(TSKey key) { - return ts[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] ) + { + r = true; + } + } + return r; } + +/** + * \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) +{ + 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 'classical' JPEG Lossy one + * @return True when 'classical' Lossy found. False in all + * other cases. + */ +bool TS::IsJPEGLossy(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] ) + { + 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 + * '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) ) + { + if ( IsJPEGLossy( key ) + || IsJPEGLossless( key ) + ) + { + r = true; + } + } + return r; +} + +/** + * \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) +{ + 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; +} + +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]; +} + +//----------------------------------------------------------------------------- +// Protected + +//----------------------------------------------------------------------------- +// Private + +//----------------------------------------------------------------------------- + +} // end namespace gdcm