Mercurial > hg > orthanc
annotate OrthancServer/FromDcmtkBridge.cpp @ 1737:ec66a16aa398
removal of DicomStringValue and DicomNullValue
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 22 Oct 2015 07:52:24 +0200 |
| parents | b953c6eef28d |
| children | 15a788a63846 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 62 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
| 0 | 5 * |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 136 | 10 * |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 0 | 22 * |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
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32 |
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33 |
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34 #include "PrecompiledHeadersServer.h" |
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35 |
| 71 | 36 #ifndef NOMINMAX |
| 37 #define NOMINMAX | |
| 38 #endif | |
| 0 | 39 |
| 846 | 40 #include "Internals/DicomImageDecoder.h" |
| 41 | |
| 0 | 42 #include "FromDcmtkBridge.h" |
| 43 #include "ToDcmtkBridge.h" | |
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44 #include "OrthancInitialization.h" |
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45 #include "../Core/Logging.h" |
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46 #include "../Core/Toolbox.h" |
| 62 | 47 #include "../Core/OrthancException.h" |
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48 #include "../Core/Images/PngWriter.h" |
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49 #include "../Core/Uuid.h" |
| 79 | 50 #include "../Core/DicomFormat/DicomIntegerPixelAccessor.h" |
| 0 | 51 |
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52 #include <list> |
| 71 | 53 #include <limits> |
| 54 | |
| 0 | 55 #include <boost/lexical_cast.hpp> |
| 1656 | 56 #include <boost/filesystem.hpp> |
| 0 | 57 |
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58 #include <dcmtk/dcmdata/dcchrstr.h> |
| 0 | 59 #include <dcmtk/dcmdata/dcdicent.h> |
| 60 #include <dcmtk/dcmdata/dcdict.h> | |
| 61 #include <dcmtk/dcmdata/dcfilefo.h> | |
| 62 #include <dcmtk/dcmdata/dcistrmb.h> | |
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63 #include <dcmtk/dcmdata/dcuid.h> |
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64 #include <dcmtk/dcmdata/dcmetinf.h> |
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65 #include <dcmtk/dcmdata/dcdeftag.h> |
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66 |
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67 #include <dcmtk/dcmdata/dcvrae.h> |
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68 #include <dcmtk/dcmdata/dcvras.h> |
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69 #include <dcmtk/dcmdata/dcvrcs.h> |
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70 #include <dcmtk/dcmdata/dcvrda.h> |
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71 #include <dcmtk/dcmdata/dcvrds.h> |
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72 #include <dcmtk/dcmdata/dcvrdt.h> |
| 0 | 73 #include <dcmtk/dcmdata/dcvrfd.h> |
| 74 #include <dcmtk/dcmdata/dcvrfl.h> | |
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75 #include <dcmtk/dcmdata/dcvris.h> |
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76 #include <dcmtk/dcmdata/dcvrlo.h> |
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77 #include <dcmtk/dcmdata/dcvrlt.h> |
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78 #include <dcmtk/dcmdata/dcvrpn.h> |
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79 #include <dcmtk/dcmdata/dcvrsh.h> |
| 0 | 80 #include <dcmtk/dcmdata/dcvrsl.h> |
| 81 #include <dcmtk/dcmdata/dcvrss.h> | |
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82 #include <dcmtk/dcmdata/dcvrst.h> |
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83 #include <dcmtk/dcmdata/dcvrtm.h> |
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84 #include <dcmtk/dcmdata/dcvrui.h> |
| 0 | 85 #include <dcmtk/dcmdata/dcvrul.h> |
| 86 #include <dcmtk/dcmdata/dcvrus.h> | |
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87 #include <dcmtk/dcmdata/dcvrut.h> |
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88 #include <dcmtk/dcmdata/dcpixel.h> |
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89 #include <dcmtk/dcmdata/dcpixseq.h> |
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90 #include <dcmtk/dcmdata/dcpxitem.h> |
| 1131 | 91 #include <dcmtk/dcmdata/dcvrat.h> |
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92 |
| 1656 | 93 #include <dcmtk/dcmnet/dul.h> |
| 0 | 94 |
| 2 | 95 #include <boost/math/special_functions/round.hpp> |
| 1689 | 96 #include <boost/algorithm/string/predicate.hpp> |
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97 #include <dcmtk/dcmdata/dcostrmb.h> |
| 0 | 98 |
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99 |
| 62 | 100 namespace Orthanc |
| 0 | 101 { |
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102 static inline uint16_t GetCharValue(char c) |
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103 { |
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104 if (c >= '0' && c <= '9') |
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105 return c - '0'; |
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106 else if (c >= 'a' && c <= 'f') |
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107 return c - 'a' + 10; |
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108 else if (c >= 'A' && c <= 'F') |
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109 return c - 'A' + 10; |
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110 else |
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111 return 0; |
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112 } |
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113 |
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114 static inline uint16_t GetTagValue(const char* c) |
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115 { |
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116 return ((GetCharValue(c[0]) << 12) + |
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117 (GetCharValue(c[1]) << 8) + |
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118 (GetCharValue(c[2]) << 4) + |
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119 GetCharValue(c[3])); |
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120 } |
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121 |
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122 |
| 1656 | 123 #if DCMTK_USE_EMBEDDED_DICTIONARIES == 1 |
| 124 static void LoadEmbeddedDictionary(DcmDataDictionary& dictionary, | |
| 125 EmbeddedResources::FileResourceId resource) | |
| 126 { | |
| 127 Toolbox::TemporaryFile tmp; | |
| 128 | |
| 129 FILE* fp = fopen(tmp.GetPath().c_str(), "wb"); | |
| 130 fwrite(EmbeddedResources::GetFileResourceBuffer(resource), | |
| 131 EmbeddedResources::GetFileResourceSize(resource), 1, fp); | |
| 132 fclose(fp); | |
| 133 | |
| 134 if (!dictionary.loadDictionary(tmp.GetPath().c_str())) | |
| 135 { | |
| 136 throw OrthancException(ErrorCode_InternalError); | |
| 137 } | |
| 138 } | |
| 139 | |
| 140 #else | |
| 141 static void LoadExternalDictionary(DcmDataDictionary& dictionary, | |
| 142 const std::string& directory, | |
| 143 const std::string& filename) | |
| 144 { | |
| 145 boost::filesystem::path p = directory; | |
| 146 p = p / filename; | |
| 147 | |
| 148 LOG(WARNING) << "Loading the external DICOM dictionary " << p; | |
| 149 | |
| 150 if (!dictionary.loadDictionary(p.string().c_str())) | |
| 151 { | |
| 152 throw OrthancException(ErrorCode_InternalError); | |
| 153 } | |
| 154 } | |
| 155 | |
| 156 #endif | |
| 157 | |
| 158 | |
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159 namespace |
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160 { |
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161 class DictionaryLocker |
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162 { |
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163 private: |
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164 DcmDataDictionary& dictionary_; |
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165 |
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166 public: |
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167 DictionaryLocker() : dictionary_(dcmDataDict.wrlock()) |
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168 { |
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169 } |
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170 |
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171 ~DictionaryLocker() |
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172 { |
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173 dcmDataDict.unlock(); |
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174 } |
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175 |
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176 DcmDataDictionary& operator*() |
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177 { |
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178 return dictionary_; |
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179 } |
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180 |
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181 DcmDataDictionary* operator->() |
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182 { |
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183 return &dictionary_; |
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184 } |
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185 }; |
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186 } |
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187 |
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188 |
| 1656 | 189 void FromDcmtkBridge::InitializeDictionary() |
| 190 { | |
| 191 /* Disable "gethostbyaddr" (which results in memory leaks) and use raw IP addresses */ | |
| 192 dcmDisableGethostbyaddr.set(OFTrue); | |
| 193 | |
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194 { |
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195 DictionaryLocker locker; |
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196 |
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197 locker->clear(); |
| 1656 | 198 |
| 199 #if DCMTK_USE_EMBEDDED_DICTIONARIES == 1 | |
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200 LOG(WARNING) << "Loading the embedded dictionaries"; |
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201 /** |
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202 * Do not load DICONDE dictionary, it breaks the other tags. The |
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203 * command "strace storescu 2>&1 |grep dic" shows that DICONDE |
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204 * dictionary is not loaded by storescu. |
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205 **/ |
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206 //LoadEmbeddedDictionary(*locker, EmbeddedResources::DICTIONARY_DICONDE); |
| 1656 | 207 |
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208 LoadEmbeddedDictionary(*locker, EmbeddedResources::DICTIONARY_DICOM); |
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209 LoadEmbeddedDictionary(*locker, EmbeddedResources::DICTIONARY_PRIVATE); |
| 1656 | 210 |
| 211 #elif defined(__linux) || defined(__FreeBSD_kernel__) | |
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212 std::string path = DCMTK_DICTIONARY_DIR; |
| 1656 | 213 |
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214 const char* env = std::getenv(DCM_DICT_ENVIRONMENT_VARIABLE); |
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215 if (env != NULL) |
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216 { |
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217 path = std::string(env); |
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218 } |
| 1656 | 219 |
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220 LoadExternalDictionary(*locker, path, "dicom.dic"); |
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221 LoadExternalDictionary(*locker, path, "private.dic"); |
| 1656 | 222 |
| 223 #else | |
| 224 #error Support your platform here | |
| 225 #endif | |
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226 } |
| 1656 | 227 |
| 228 /* make sure data dictionary is loaded */ | |
| 229 if (!dcmDataDict.isDictionaryLoaded()) | |
| 230 { | |
| 231 LOG(ERROR) << "No DICOM dictionary loaded, check environment variable: " << DCM_DICT_ENVIRONMENT_VARIABLE; | |
| 232 throw OrthancException(ErrorCode_InternalError); | |
| 233 } | |
| 234 | |
| 235 { | |
| 236 // Test the dictionary with a simple DICOM tag | |
| 237 DcmTag key(0x0010, 0x1030); // This is PatientWeight | |
| 238 if (key.getEVR() != EVR_DS) | |
| 239 { | |
| 240 LOG(ERROR) << "The DICOM dictionary has not been correctly read"; | |
| 241 throw OrthancException(ErrorCode_InternalError); | |
| 242 } | |
| 243 } | |
| 244 } | |
| 245 | |
| 246 | |
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247 void FromDcmtkBridge::RegisterDictionaryTag(const DicomTag& tag, |
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248 const DcmEVR& vr, |
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249 const std::string& name, |
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250 unsigned int minMultiplicity, |
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251 unsigned int maxMultiplicity) |
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252 { |
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253 if (minMultiplicity < 1) |
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254 { |
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255 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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256 } |
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257 |
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258 if (maxMultiplicity == 0) |
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259 { |
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260 maxMultiplicity = DcmVariableVM; |
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261 } |
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262 else if (maxMultiplicity < minMultiplicity) |
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263 { |
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264 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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265 } |
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266 |
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267 std::auto_ptr<DcmDictEntry> entry(new DcmDictEntry(tag.GetGroup(), |
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268 tag.GetElement(), |
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269 vr, name.c_str(), |
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270 static_cast<int>(minMultiplicity), |
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271 static_cast<int>(maxMultiplicity), |
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272 NULL /* version */, |
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273 OFTrue /* doCopyString */, |
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274 NULL /* private creator */)); |
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275 |
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276 entry->setGroupRangeRestriction(DcmDictRange_Unspecified); |
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277 entry->setElementRangeRestriction(DcmDictRange_Unspecified); |
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278 |
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279 { |
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280 DictionaryLocker locker; |
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281 locker->addEntry(entry.release()); |
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282 } |
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283 } |
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284 |
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285 |
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286 Encoding FromDcmtkBridge::DetectEncoding(DcmDataset& dataset) |
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287 { |
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288 // By default, Latin1 encoding is assumed |
| 1557 | 289 std::string s = Configuration::GetGlobalStringParameter("DefaultEncoding", "Latin1"); |
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290 Encoding encoding = s.empty() ? Encoding_Latin1 : StringToEncoding(s.c_str()); |
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291 |
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292 OFString tmp; |
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293 if (dataset.findAndGetOFString(DCM_SpecificCharacterSet, tmp).good()) |
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294 { |
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295 std::string characterSet = Toolbox::StripSpaces(std::string(tmp.c_str())); |
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296 |
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297 if (characterSet.empty()) |
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298 { |
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299 // Empty specific character set tag: Use the default encoding |
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301 else if (GetDicomEncoding(encoding, characterSet.c_str())) |
| 1087 | 302 { |
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303 // The specific character set is supported by the Orthanc core |
| 1087 | 304 } |
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305 else |
| 1087 | 306 { |
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307 LOG(WARNING) << "Value of Specific Character Set (0008,0005) is not supported: " << characterSet |
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308 << ", fallback to ASCII (remove all special characters)"; |
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309 encoding = Encoding_Ascii; |
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310 } |
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311 } |
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312 else |
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313 { |
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314 // No specific character set tag: Use the default encoding |
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315 } |
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316 |
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317 return encoding; |
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318 } |
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319 |
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320 |
| 0 | 321 void FromDcmtkBridge::Convert(DicomMap& target, DcmDataset& dataset) |
| 322 { | |
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323 Encoding encoding = DetectEncoding(dataset); |
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324 |
| 0 | 325 target.Clear(); |
| 326 for (unsigned long i = 0; i < dataset.card(); i++) | |
| 327 { | |
| 328 DcmElement* element = dataset.getElement(i); | |
| 329 if (element && element->isLeaf()) | |
| 330 { | |
| 331 target.SetValue(element->getTag().getGTag(), | |
| 332 element->getTag().getETag(), | |
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333 ConvertLeafElement(*element, DicomToJsonFlags_Default, encoding)); |
| 0 | 334 } |
| 335 } | |
| 336 } | |
| 337 | |
| 338 | |
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339 DicomTag FromDcmtkBridge::Convert(const DcmTag& tag) |
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340 { |
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341 return DicomTag(tag.getGTag(), tag.getETag()); |
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342 } |
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343 |
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344 |
| 0 | 345 DicomTag FromDcmtkBridge::GetTag(const DcmElement& element) |
| 346 { | |
| 347 return DicomTag(element.getGTag(), element.getETag()); | |
| 348 } | |
| 349 | |
| 350 | |
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351 bool FromDcmtkBridge::IsPrivateTag(const DicomTag& tag) |
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352 { |
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353 #if 1 |
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354 DcmTagKey tmp(tag.GetGroup(), tag.GetElement()); |
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355 return tmp.isPrivate(); |
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356 #else |
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357 // Implementation for Orthanc versions <= 0.8.5 |
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358 DcmTag tmp(tag.GetGroup(), tag.GetElement()); |
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359 return IsPrivateTag(tmp); |
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360 #endif |
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361 } |
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362 |
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363 |
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364 DicomValue* FromDcmtkBridge::ConvertLeafElement(DcmElement& element, |
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365 DicomToJsonFlags flags, |
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366 Encoding encoding) |
| 0 | 367 { |
| 368 if (!element.isLeaf()) | |
| 369 { | |
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370 // This function is only applicable to leaf elements |
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371 throw OrthancException(ErrorCode_BadParameterType); |
| 0 | 372 } |
| 373 | |
| 374 if (element.isaString()) | |
| 375 { | |
| 376 char *c; | |
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377 if (element.getString(c).good()) |
| 0 | 378 { |
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379 if (c == NULL) // This case corresponds to the empty string |
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380 { |
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381 return new DicomValue("", false); |
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382 } |
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383 else |
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384 { |
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385 std::string s(c); |
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386 std::string utf8 = Toolbox::ConvertToUtf8(s, encoding); |
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387 return new DicomValue(utf8, false); |
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388 } |
| 0 | 389 } |
| 390 else | |
| 391 { | |
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392 return new DicomValue; |
| 0 | 393 } |
| 394 } | |
| 395 | |
| 396 try | |
| 397 { | |
| 398 // http://support.dcmtk.org/docs/dcvr_8h-source.html | |
| 399 switch (element.getVR()) | |
| 400 { | |
| 401 | |
| 402 /** | |
| 403 * TODO. | |
| 404 **/ | |
|
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405 |
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406 case EVR_OB: // other byte |
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407 case EVR_OF: // other float |
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408 case EVR_OW: // other word |
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409 case EVR_UN: // unknown value representation |
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410 return new DicomValue; |
|
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411 |
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412 /** |
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413 * String types, should never happen at this point because of |
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414 * "element.isaString()". |
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415 **/ |
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416 |
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417 case EVR_DS: // decimal string |
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418 case EVR_IS: // integer string |
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419 case EVR_AS: // age string |
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420 case EVR_DA: // date string |
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421 case EVR_DT: // date time string |
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422 case EVR_TM: // time string |
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423 case EVR_AE: // application entity title |
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424 case EVR_CS: // code string |
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425 case EVR_SH: // short string |
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426 case EVR_LO: // long string |
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427 case EVR_ST: // short text |
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428 case EVR_LT: // long text |
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429 case EVR_UT: // unlimited text |
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430 case EVR_PN: // person name |
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431 case EVR_UI: // unique identifier |
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432 return new DicomValue; |
| 0 | 433 |
| 434 | |
|
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435 /** |
| 1131 | 436 * Numberic types |
|
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437 **/ |
| 0 | 438 |
|
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439 case EVR_SL: // signed long |
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440 { |
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441 Sint32 f; |
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442 if (dynamic_cast<DcmSignedLong&>(element).getSint32(f).good()) |
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443 return new DicomValue(boost::lexical_cast<std::string>(f), false); |
|
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444 else |
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445 return new DicomValue; |
|
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446 } |
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447 |
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448 case EVR_SS: // signed short |
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449 { |
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450 Sint16 f; |
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451 if (dynamic_cast<DcmSignedShort&>(element).getSint16(f).good()) |
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452 return new DicomValue(boost::lexical_cast<std::string>(f), false); |
|
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453 else |
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454 return new DicomValue; |
|
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455 } |
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456 |
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457 case EVR_UL: // unsigned long |
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458 { |
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459 Uint32 f; |
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460 if (dynamic_cast<DcmUnsignedLong&>(element).getUint32(f).good()) |
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461 return new DicomValue(boost::lexical_cast<std::string>(f), false); |
|
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462 else |
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463 return new DicomValue; |
|
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464 } |
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465 |
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466 case EVR_US: // unsigned short |
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467 { |
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468 Uint16 f; |
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469 if (dynamic_cast<DcmUnsignedShort&>(element).getUint16(f).good()) |
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470 return new DicomValue(boost::lexical_cast<std::string>(f), false); |
|
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471 else |
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472 return new DicomValue; |
|
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473 } |
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474 |
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475 case EVR_FL: // float single-precision |
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476 { |
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477 Float32 f; |
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478 if (dynamic_cast<DcmFloatingPointSingle&>(element).getFloat32(f).good()) |
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479 return new DicomValue(boost::lexical_cast<std::string>(f), false); |
|
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480 else |
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481 return new DicomValue; |
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482 } |
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483 |
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484 case EVR_FD: // float double-precision |
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485 { |
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486 Float64 f; |
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487 if (dynamic_cast<DcmFloatingPointDouble&>(element).getFloat64(f).good()) |
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488 return new DicomValue(boost::lexical_cast<std::string>(f), false); |
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489 else |
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490 return new DicomValue; |
| 1131 | 491 } |
| 492 | |
| 493 | |
| 494 /** | |
| 495 * Attribute tag. | |
| 496 **/ | |
| 497 | |
| 498 case EVR_AT: | |
| 499 { | |
| 1147 | 500 DcmTagKey tag; |
| 501 if (dynamic_cast<DcmAttributeTag&>(element).getTagVal(tag, 0).good()) | |
| 502 { | |
| 503 DicomTag t(tag.getGroup(), tag.getElement()); | |
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504 return new DicomValue(t.Format(), false); |
| 1147 | 505 } |
| 1131 | 506 else |
| 1147 | 507 { |
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508 return new DicomValue; |
| 1147 | 509 } |
|
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510 } |
| 0 | 511 |
| 512 | |
| 513 /** | |
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514 * Sequence types, should never occur at this point because of |
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515 * "element.isLeaf()". |
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516 **/ |
| 0 | 517 |
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518 case EVR_SQ: // sequence of items |
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519 return new DicomValue; |
| 0 | 520 |
| 521 | |
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522 /** |
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523 * Internal to DCMTK. |
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524 **/ |
| 0 | 525 |
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526 case EVR_ox: // OB or OW depending on context |
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527 case EVR_xs: // SS or US depending on context |
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528 case EVR_lt: // US, SS or OW depending on context, used for LUT Data (thus the name) |
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529 case EVR_na: // na="not applicable", for data which has no VR |
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530 case EVR_up: // up="unsigned pointer", used internally for DICOMDIR suppor |
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531 case EVR_item: // used internally for items |
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532 case EVR_metainfo: // used internally for meta info datasets |
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533 case EVR_dataset: // used internally for datasets |
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534 case EVR_fileFormat: // used internally for DICOM files |
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535 case EVR_dicomDir: // used internally for DICOMDIR objects |
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536 case EVR_dirRecord: // used internally for DICOMDIR records |
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537 case EVR_pixelSQ: // used internally for pixel sequences in a compressed image |
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538 case EVR_pixelItem: // used internally for pixel items in a compressed image |
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539 case EVR_UNKNOWN: // used internally for elements with unknown VR (encoded with 4-byte length field in explicit VR) |
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540 case EVR_PixelData: // used internally for uncompressed pixeld data |
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541 case EVR_OverlayData: // used internally for overlay data |
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542 case EVR_UNKNOWN2B: // used internally for elements with unknown VR with 2-byte length field in explicit VR |
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543 return new DicomValue; |
| 0 | 544 |
| 545 | |
|
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546 /** |
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547 * Default case. |
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548 **/ |
| 0 | 549 |
|
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550 default: |
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551 return new DicomValue; |
| 0 | 552 } |
| 553 } | |
| 554 catch (boost::bad_lexical_cast) | |
| 555 { | |
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556 return new DicomValue; |
| 0 | 557 } |
|
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558 catch (std::bad_cast) |
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559 { |
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560 return new DicomValue; |
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561 } |
| 0 | 562 } |
| 563 | |
| 564 | |
| 1687 | 565 static Json::Value& PrepareNode(Json::Value& parent, |
| 566 DcmElement& element, | |
| 567 DicomToJsonFormat format) | |
| 0 | 568 { |
| 1687 | 569 assert(parent.type() == Json::objectValue); |
| 0 | 570 |
|
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571 DicomTag tag(FromDcmtkBridge::GetTag(element)); |
|
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572 const std::string formattedTag = tag.Format(); |
|
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573 |
|
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574 if (format == DicomToJsonFormat_Short) |
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575 { |
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576 parent[formattedTag] = Json::nullValue; |
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577 return parent[formattedTag]; |
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578 } |
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579 |
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580 // This code gives access to the name of the private tags |
|
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581 DcmTag tagbis(element.getTag()); |
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582 const std::string tagName(tagbis.getTagName()); |
|
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583 |
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584 switch (format) |
| 0 | 585 { |
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586 case DicomToJsonFormat_Simple: |
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587 parent[tagName] = Json::nullValue; |
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588 return parent[tagName]; |
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589 |
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590 case DicomToJsonFormat_Full: |
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591 { |
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592 parent[formattedTag] = Json::objectValue; |
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593 Json::Value& node = parent[formattedTag]; |
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594 |
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595 if (element.isLeaf()) |
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596 { |
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597 node["Name"] = tagName; |
|
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598 |
|
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599 if (tagbis.getPrivateCreator() != NULL) |
|
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600 { |
|
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601 node["PrivateCreator"] = tagbis.getPrivateCreator(); |
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602 } |
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603 |
|
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604 return node; |
|
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605 } |
|
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606 else |
|
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607 { |
|
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608 node["Name"] = tagName; |
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609 node["Type"] = "Sequence"; |
|
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610 node["Value"] = Json::nullValue; |
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611 return node["Value"]; |
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612 } |
|
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613 } |
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614 |
|
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615 default: |
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616 throw OrthancException(ErrorCode_ParameterOutOfRange); |
| 1687 | 617 } |
| 618 } | |
| 619 | |
| 620 | |
| 621 static void LeafValueToJson(Json::Value& target, | |
| 622 const DicomValue& value, | |
| 623 DicomToJsonFormat format, | |
|
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624 unsigned int maxStringLength) |
| 1687 | 625 { |
|
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626 switch (format) |
| 1687 | 627 { |
|
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628 case DicomToJsonFormat_Short: |
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629 case DicomToJsonFormat_Simple: |
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630 { |
|
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DicomToJsonFormat enumeration
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diff
changeset
|
631 assert(target.type() == Json::nullValue); |
|
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DicomToJsonFormat enumeration
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diff
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|
632 |
|
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DicomToJsonFormat enumeration
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diff
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|
633 if (!value.IsNull() && |
|
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DicomToJsonFormat enumeration
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|
634 (maxStringLength == 0 || |
|
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|
635 value.GetContent().size() <= maxStringLength)) |
|
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DicomToJsonFormat enumeration
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|
636 { |
|
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|
637 target = value.GetContent(); |
|
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DicomToJsonFormat enumeration
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|
638 } |
|
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DicomToJsonFormat enumeration
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|
639 |
|
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DicomToJsonFormat enumeration
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|
640 break; |
|
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DicomToJsonFormat enumeration
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|
641 } |
|
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DicomToJsonFormat enumeration
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diff
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|
642 |
|
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DicomToJsonFormat enumeration
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diff
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|
643 case DicomToJsonFormat_Full: |
| 0 | 644 { |
|
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DicomToJsonFormat enumeration
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|
645 assert(target.type() == Json::objectValue); |
|
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DicomToJsonFormat enumeration
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diff
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|
646 |
|
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DicomToJsonFormat enumeration
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|
647 if (value.IsNull()) |
|
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DicomToJsonFormat enumeration
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|
648 { |
|
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DicomToJsonFormat enumeration
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diff
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|
649 target["Type"] = "Null"; |
|
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DicomToJsonFormat enumeration
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|
650 target["Value"] = Json::nullValue; |
|
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DicomToJsonFormat enumeration
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diff
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|
651 } |
|
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DicomToJsonFormat enumeration
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|
652 else |
|
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DicomToJsonFormat enumeration
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diff
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|
653 { |
|
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DicomToJsonFormat enumeration
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diff
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|
654 if (maxStringLength == 0 || |
|
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|
655 value.GetContent().size() <= maxStringLength) |
|
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DicomToJsonFormat enumeration
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|
656 { |
|
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DicomToJsonFormat enumeration
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diff
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|
657 target["Type"] = "String"; |
|
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|
658 target["Value"] = value.GetContent(); |
|
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DicomToJsonFormat enumeration
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|
659 } |
|
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DicomToJsonFormat enumeration
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|
660 else |
|
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DicomToJsonFormat enumeration
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diff
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|
661 { |
|
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DicomToJsonFormat enumeration
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diff
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|
662 target["Type"] = "TooLong"; |
|
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DicomToJsonFormat enumeration
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diff
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|
663 target["Value"] = Json::nullValue; |
|
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DicomToJsonFormat enumeration
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diff
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|
664 } |
|
27d70e9ee2e4
DicomToJsonFormat enumeration
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diff
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|
665 } |
|
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DicomToJsonFormat enumeration
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diff
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|
666 break; |
| 0 | 667 } |
|
1688
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DicomToJsonFormat enumeration
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diff
changeset
|
668 |
|
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DicomToJsonFormat enumeration
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diff
changeset
|
669 default: |
|
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DicomToJsonFormat enumeration
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diff
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|
670 throw OrthancException(ErrorCode_ParameterOutOfRange); |
| 1687 | 671 } |
| 672 } | |
|
35
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full json vs. simplified json
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diff
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|
673 |
| 1687 | 674 |
| 675 static void DatasetToJson(Json::Value& parent, | |
| 676 DcmItem& item, | |
| 677 DicomToJsonFormat format, | |
|
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diff
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|
678 DicomToJsonFlags flags, |
| 1687 | 679 unsigned int maxStringLength, |
| 680 Encoding encoding); | |
| 681 | |
| 682 | |
| 1690 | 683 void FromDcmtkBridge::ToJson(Json::Value& parent, |
| 684 DcmElement& element, | |
| 685 DicomToJsonFormat format, | |
|
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diff
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|
686 DicomToJsonFlags flags, |
| 1690 | 687 unsigned int maxStringLength, |
| 688 Encoding encoding) | |
| 1687 | 689 { |
| 1691 | 690 if (parent.type() == Json::nullValue) |
| 691 { | |
| 692 parent = Json::objectValue; | |
| 693 } | |
| 694 | |
| 695 assert(parent.type() == Json::objectValue); | |
| 1687 | 696 Json::Value& target = PrepareNode(parent, element, format); |
| 697 | |
| 698 if (element.isLeaf()) | |
| 699 { | |
|
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ToJson: IncludePrivateTags and IncludeUnknownTags
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diff
changeset
|
700 std::auto_ptr<DicomValue> v(FromDcmtkBridge::ConvertLeafElement(element, flags, encoding)); |
|
1688
27d70e9ee2e4
DicomToJsonFormat enumeration
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diff
changeset
|
701 LeafValueToJson(target, *v, format, maxStringLength); |
| 0 | 702 } |
| 703 else | |
| 704 { | |
|
1688
27d70e9ee2e4
DicomToJsonFormat enumeration
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changeset
|
705 assert(target.type() == Json::nullValue); |
|
27d70e9ee2e4
DicomToJsonFormat enumeration
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diff
changeset
|
706 target = Json::arrayValue; |
| 0 | 707 |
| 708 // "All subclasses of DcmElement except for DcmSequenceOfItems | |
| 709 // are leaf nodes, while DcmSequenceOfItems, DcmItem, DcmDataset | |
| 1687 | 710 // etc. are not." The following dynamic_cast is thus OK. |
| 0 | 711 DcmSequenceOfItems& sequence = dynamic_cast<DcmSequenceOfItems&>(element); |
| 712 | |
| 713 for (unsigned long i = 0; i < sequence.card(); i++) | |
| 714 { | |
| 715 DcmItem* child = sequence.getItem(i); | |
| 1687 | 716 Json::Value& v = target.append(Json::objectValue); |
|
1735
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primitives for flags in dicom-to-json conversions
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diff
changeset
|
717 DatasetToJson(v, *child, format, flags, maxStringLength, encoding); |
| 1687 | 718 } |
| 0 | 719 } |
| 720 } | |
| 721 | |
| 722 | |
| 1687 | 723 static void DatasetToJson(Json::Value& parent, |
| 1686 | 724 DcmItem& item, |
| 725 DicomToJsonFormat format, | |
|
1735
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primitives for flags in dicom-to-json conversions
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diff
changeset
|
726 DicomToJsonFlags flags, |
| 1686 | 727 unsigned int maxStringLength, |
| 728 Encoding encoding) | |
| 729 { | |
|
1688
27d70e9ee2e4
DicomToJsonFormat enumeration
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
730 assert(parent.type() == Json::objectValue); |
| 1686 | 731 |
| 732 for (unsigned long i = 0; i < item.card(); i++) | |
| 733 { | |
| 734 DcmElement* element = item.getElement(i); | |
|
1735
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primitives for flags in dicom-to-json conversions
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diff
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|
735 if (element == NULL) |
|
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diff
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|
736 { |
|
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primitives for flags in dicom-to-json conversions
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diff
changeset
|
737 throw OrthancException(ErrorCode_InternalError); |
|
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primitives for flags in dicom-to-json conversions
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diff
changeset
|
738 } |
|
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|
739 |
|
1736
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diff
changeset
|
740 if (!(flags & DicomToJsonFlags_IncludePrivateTags) && |
|
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ToJson: IncludePrivateTags and IncludeUnknownTags
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diff
changeset
|
741 element->getTag().isPrivate()) |
|
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ToJson: IncludePrivateTags and IncludeUnknownTags
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diff
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|
742 { |
|
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ToJson: IncludePrivateTags and IncludeUnknownTags
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diff
changeset
|
743 continue; |
|
b953c6eef28d
ToJson: IncludePrivateTags and IncludeUnknownTags
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diff
changeset
|
744 } |
|
b953c6eef28d
ToJson: IncludePrivateTags and IncludeUnknownTags
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
745 |
|
b953c6eef28d
ToJson: IncludePrivateTags and IncludeUnknownTags
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
746 if (!(flags & DicomToJsonFlags_IncludeUnknownTags)) |
|
1735
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primitives for flags in dicom-to-json conversions
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diff
changeset
|
747 { |
|
1736
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ToJson: IncludePrivateTags and IncludeUnknownTags
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
748 DictionaryLocker locker; |
|
b953c6eef28d
ToJson: IncludePrivateTags and IncludeUnknownTags
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parents:
1735
diff
changeset
|
749 if (locker->findEntry(element->getTag(), NULL) == NULL) |
|
b953c6eef28d
ToJson: IncludePrivateTags and IncludeUnknownTags
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
750 { |
|
b953c6eef28d
ToJson: IncludePrivateTags and IncludeUnknownTags
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diff
changeset
|
751 continue; |
|
b953c6eef28d
ToJson: IncludePrivateTags and IncludeUnknownTags
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1735
diff
changeset
|
752 } |
|
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primitives for flags in dicom-to-json conversions
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diff
changeset
|
753 } |
|
1736
b953c6eef28d
ToJson: IncludePrivateTags and IncludeUnknownTags
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diff
changeset
|
754 |
|
b953c6eef28d
ToJson: IncludePrivateTags and IncludeUnknownTags
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1735
diff
changeset
|
755 FromDcmtkBridge::ToJson(parent, *element, format, flags, maxStringLength, encoding); |
| 1686 | 756 } |
| 757 } | |
| 758 | |
| 759 | |
| 1687 | 760 void FromDcmtkBridge::ToJson(Json::Value& target, |
| 0 | 761 DcmDataset& dataset, |
| 1686 | 762 DicomToJsonFormat format, |
|
1735
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primitives for flags in dicom-to-json conversions
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diff
changeset
|
763 DicomToJsonFlags flags, |
| 0 | 764 unsigned int maxStringLength) |
| 765 { | |
|
1688
27d70e9ee2e4
DicomToJsonFormat enumeration
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diff
changeset
|
766 target = Json::objectValue; |
|
1735
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1695
diff
changeset
|
767 DatasetToJson(target, dataset, format, flags, maxStringLength, DetectEncoding(dataset)); |
| 0 | 768 } |
| 769 | |
| 770 | |
| 771 std::string FromDcmtkBridge::GetName(const DicomTag& t) | |
| 772 { | |
| 106 | 773 // Some patches for important tags because of different DICOM |
| 774 // dictionaries between DCMTK versions | |
|
291
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embedding of dicom dictionaries
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diff
changeset
|
775 std::string n = t.GetMainTagsName(); |
|
4d7469f72a0b
embedding of dicom dictionaries
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diff
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|
776 if (n.size() != 0) |
|
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embedding of dicom dictionaries
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diff
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|
777 { |
|
4d7469f72a0b
embedding of dicom dictionaries
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diff
changeset
|
778 return n; |
|
4d7469f72a0b
embedding of dicom dictionaries
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diff
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|
779 } |
| 106 | 780 // End of patches |
| 781 | |
|
305
86bb79522f19
name of the private tags
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diff
changeset
|
782 #if 0 |
| 0 | 783 DcmTagKey tag(t.GetGroup(), t.GetElement()); |
| 784 const DcmDataDictionary& dict = dcmDataDict.rdlock(); | |
| 785 const DcmDictEntry* entry = dict.findEntry(tag, NULL); | |
| 786 | |
|
306
326d5a4a5af3
modification of instances
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diff
changeset
|
787 std::string s(DcmTag_ERROR_TagName); |
| 0 | 788 if (entry != NULL) |
| 789 { | |
| 790 s = std::string(entry->getTagName()); | |
| 791 } | |
| 792 | |
| 793 dcmDataDict.unlock(); | |
| 794 return s; | |
|
305
86bb79522f19
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diff
changeset
|
795 #else |
|
86bb79522f19
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diff
changeset
|
796 DcmTag tag(t.GetGroup(), t.GetElement()); |
|
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diff
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|
797 const char* name = tag.getTagName(); |
|
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diff
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|
798 if (name == NULL) |
|
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diff
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|
799 { |
|
306
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diff
changeset
|
800 return DcmTag_ERROR_TagName; |
|
305
86bb79522f19
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diff
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|
801 } |
|
86bb79522f19
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parents:
304
diff
changeset
|
802 else |
|
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diff
changeset
|
803 { |
|
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name of the private tags
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diff
changeset
|
804 return std::string(name); |
|
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diff
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|
805 } |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
806 #endif |
| 0 | 807 } |
| 808 | |
| 809 | |
| 304 | 810 DicomTag FromDcmtkBridge::ParseTag(const char* name) |
| 0 | 811 { |
| 304 | 812 if (strlen(name) == 9 && |
| 813 isxdigit(name[0]) && | |
| 814 isxdigit(name[1]) && | |
| 815 isxdigit(name[2]) && | |
| 816 isxdigit(name[3]) && | |
|
991
2f76b92addd4
keep private tags during anonymization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
957
diff
changeset
|
817 (name[4] == '-' || name[4] == ',') && |
| 304 | 818 isxdigit(name[5]) && |
| 819 isxdigit(name[6]) && | |
| 820 isxdigit(name[7]) && | |
| 821 isxdigit(name[8])) | |
| 822 { | |
| 823 uint16_t group = GetTagValue(name); | |
| 824 uint16_t element = GetTagValue(name + 5); | |
| 825 return DicomTag(group, element); | |
| 826 } | |
| 827 | |
|
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828 #if 0 |
| 0 | 829 const DcmDataDictionary& dict = dcmDataDict.rdlock(); |
| 830 const DcmDictEntry* entry = dict.findEntry(name); | |
| 831 | |
| 832 if (entry == NULL) | |
| 833 { | |
| 834 dcmDataDict.unlock(); | |
|
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835 throw OrthancException(ErrorCode_UnknownDicomTag); |
| 0 | 836 } |
| 837 else | |
| 838 { | |
| 839 DcmTagKey key = entry->getKey(); | |
| 840 DicomTag tag(key.getGroup(), key.getElement()); | |
| 841 dcmDataDict.unlock(); | |
| 842 return tag; | |
| 843 } | |
|
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844 #else |
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845 DcmTag tag; |
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846 if (DcmTag::findTagFromName(name, tag).good()) |
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847 { |
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848 return DicomTag(tag.getGTag(), tag.getETag()); |
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849 } |
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850 else |
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851 { |
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852 throw OrthancException(ErrorCode_UnknownDicomTag); |
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853 } |
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854 #endif |
| 0 | 855 } |
| 856 | |
| 857 | |
|
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858 bool FromDcmtkBridge::IsUnknownTag(const DicomTag& tag) |
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859 { |
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860 DcmTag tmp(tag.GetGroup(), tag.GetElement()); |
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861 return tmp.isUnknownVR(); |
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862 } |
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863 |
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864 |
| 0 | 865 void FromDcmtkBridge::ToJson(Json::Value& result, |
| 1368 | 866 const DicomMap& values, |
| 867 bool simplify) | |
| 0 | 868 { |
| 869 if (result.type() != Json::objectValue) | |
| 870 { | |
| 62 | 871 throw OrthancException(ErrorCode_BadParameterType); |
| 0 | 872 } |
| 873 | |
| 874 result.clear(); | |
| 875 | |
| 876 for (DicomMap::Map::const_iterator | |
| 656 | 877 it = values.map_.begin(); it != values.map_.end(); ++it) |
| 0 | 878 { |
| 1368 | 879 if (simplify) |
| 880 { | |
|
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881 if (it->second->IsNull()) |
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882 { |
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883 result[GetName(it->first)] = Json::nullValue; |
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884 } |
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885 else |
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886 { |
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887 // TODO IsBinary |
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888 result[GetName(it->first)] = it->second->GetContent(); |
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|
889 } |
| 1368 | 890 } |
| 891 else | |
| 892 { | |
| 893 Json::Value value = Json::objectValue; | |
| 894 | |
| 895 value["Name"] = GetName(it->first); | |
| 896 | |
| 897 if (it->second->IsNull()) | |
| 898 { | |
| 899 value["Type"] = "Null"; | |
| 900 value["Value"] = Json::nullValue; | |
| 901 } | |
| 902 else | |
| 903 { | |
|
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|
904 // TODO IsBinary |
| 1368 | 905 value["Type"] = "String"; |
|
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|
906 value["Value"] = it->second->GetContent(); |
| 1368 | 907 } |
| 908 | |
| 909 result[it->first.Format()] = value; | |
| 910 } | |
| 0 | 911 } |
| 912 } | |
| 176 | 913 |
| 914 | |
| 788 | 915 std::string FromDcmtkBridge::GenerateUniqueIdentifier(ResourceType level) |
| 176 | 916 { |
| 917 char uid[100]; | |
| 918 | |
| 919 switch (level) | |
| 920 { | |
| 788 | 921 case ResourceType_Patient: |
| 311 | 922 // The "PatientID" field is of type LO (Long String), 64 |
| 923 // Bytes Maximum. An UUID is of length 36, thus it can be used | |
| 924 // as a random PatientID. | |
| 925 return Toolbox::GenerateUuid(); | |
|
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926 |
| 788 | 927 case ResourceType_Instance: |
|
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928 return dcmGenerateUniqueIdentifier(uid, SITE_INSTANCE_UID_ROOT); |
| 176 | 929 |
| 788 | 930 case ResourceType_Series: |
|
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931 return dcmGenerateUniqueIdentifier(uid, SITE_SERIES_UID_ROOT); |
| 176 | 932 |
| 788 | 933 case ResourceType_Study: |
|
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934 return dcmGenerateUniqueIdentifier(uid, SITE_STUDY_UID_ROOT); |
| 176 | 935 |
|
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936 default: |
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937 throw OrthancException(ErrorCode_ParameterOutOfRange); |
| 176 | 938 } |
| 939 } | |
| 940 | |
|
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941 bool FromDcmtkBridge::SaveToMemoryBuffer(std::string& buffer, |
|
1004
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|
942 DcmDataset& dataSet) |
|
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943 { |
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944 // Determine the transfer syntax which shall be used to write the |
|
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945 // information to the file. We always switch to the Little Endian |
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946 // syntax, with explicit length. |
|
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947 |
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|
948 // http://support.dcmtk.org/docs/dcxfer_8h-source.html |
|
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|
949 |
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|
950 |
|
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|
951 /** |
|
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|
952 * Note that up to Orthanc 0.7.1 (inclusive), the |
|
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|
953 * "EXS_LittleEndianExplicit" was always used to save the DICOM |
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|
954 * dataset into memory. We now keep the original transfer syntax |
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|
955 * (if available). |
|
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|
956 **/ |
|
1004
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diff
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|
957 E_TransferSyntax xfer = dataSet.getOriginalXfer(); |
|
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|
958 if (xfer == EXS_Unknown) |
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|
959 { |
|
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|
960 // No information about the original transfer syntax: This is |
|
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961 // most probably a DICOM dataset that was read from memory. |
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962 xfer = EXS_LittleEndianExplicit; |
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963 } |
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|
964 |
|
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965 E_EncodingType encodingType = /*opt_sequenceType*/ EET_ExplicitLength; |
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966 |
|
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967 // Create the meta-header information |
|
1004
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|
968 DcmFileFormat ff(&dataSet); |
|
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969 ff.validateMetaInfo(xfer); |
|
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|
970 ff.removeInvalidGroups(); |
|
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971 |
|
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972 // Create a memory buffer with the proper size |
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973 uint32_t s = ff.calcElementLength(xfer, encodingType); |
|
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974 buffer.resize(s); |
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975 DcmOutputBufferStream ob(&buffer[0], s); |
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976 |
|
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977 // Fill the memory buffer with the meta-header and the dataset |
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978 ff.transferInit(); |
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|
979 OFCondition c = ff.write(ob, xfer, encodingType, NULL, |
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980 /*opt_groupLength*/ EGL_recalcGL, |
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981 /*opt_paddingType*/ EPD_withoutPadding); |
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982 ff.transferEnd(); |
|
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983 |
|
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984 // Handle errors |
|
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985 if (c.good()) |
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986 { |
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987 return true; |
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988 } |
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989 else |
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990 { |
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991 buffer.clear(); |
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992 return false; |
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993 } |
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994 } |
| 1360 | 995 |
| 996 | |
|
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997 ValueRepresentation FromDcmtkBridge::GetValueRepresentation(const DicomTag& tag) |
| 1360 | 998 { |
| 999 DcmTag t(tag.GetGroup(), tag.GetElement()); | |
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1000 switch (t.getEVR()) |
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1001 { |
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1002 case EVR_PN: |
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1003 return ValueRepresentation_PatientName; |
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1004 |
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1005 case EVR_DA: |
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1006 return ValueRepresentation_Date; |
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1007 |
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1008 case EVR_DT: |
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1009 return ValueRepresentation_DateTime; |
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1010 |
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1011 case EVR_TM: |
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1012 return ValueRepresentation_Time; |
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1013 |
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1014 default: |
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1015 return ValueRepresentation_Other; |
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1016 } |
| 1360 | 1017 } |
| 1018 | |
| 1689 | 1019 |
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1020 static bool IsBinaryTag(const DcmTag& key) |
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1021 { |
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1022 return key.isPrivate() || key.isUnknownVR(); |
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1023 } |
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1024 |
| 1689 | 1025 |
| 1026 DcmElement* FromDcmtkBridge::CreateElementForTag(const DicomTag& tag) | |
| 1027 { | |
| 1028 DcmTag key(tag.GetGroup(), tag.GetElement()); | |
| 1029 | |
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1030 if (IsBinaryTag(key)) |
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1031 { |
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1032 return new DcmOtherByteOtherWord(key); |
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1033 } |
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1034 |
| 1689 | 1035 switch (key.getEVR()) |
| 1036 { | |
| 1037 // http://support.dcmtk.org/docs/dcvr_8h-source.html | |
| 1038 | |
| 1039 /** | |
| 1040 * TODO. | |
| 1041 **/ | |
| 1042 | |
| 1043 case EVR_OB: // other byte | |
| 1044 case EVR_OF: // other float | |
| 1045 case EVR_OW: // other word | |
| 1046 case EVR_AT: // attribute tag | |
| 1047 throw OrthancException(ErrorCode_NotImplemented); | |
| 1048 | |
| 1049 case EVR_UN: // unknown value representation | |
| 1050 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
| 1051 | |
| 1052 | |
| 1053 /** | |
| 1054 * String types. | |
| 1055 * http://support.dcmtk.org/docs/classDcmByteString.html | |
| 1056 **/ | |
| 1057 | |
| 1058 case EVR_AS: // age string | |
| 1059 return new DcmAgeString(key); | |
| 1060 | |
| 1061 case EVR_AE: // application entity title | |
| 1062 return new DcmApplicationEntity(key); | |
| 1063 | |
| 1064 case EVR_CS: // code string | |
| 1065 return new DcmCodeString(key); | |
| 1066 | |
| 1067 case EVR_DA: // date string | |
| 1068 return new DcmDate(key); | |
| 1069 | |
| 1070 case EVR_DT: // date time string | |
| 1071 return new DcmDateTime(key); | |
| 1072 | |
| 1073 case EVR_DS: // decimal string | |
| 1074 return new DcmDecimalString(key); | |
| 1075 | |
| 1076 case EVR_IS: // integer string | |
| 1077 return new DcmIntegerString(key); | |
| 1078 | |
| 1079 case EVR_TM: // time string | |
| 1080 return new DcmTime(key); | |
| 1081 | |
| 1082 case EVR_UI: // unique identifier | |
| 1083 return new DcmUniqueIdentifier(key); | |
| 1084 | |
| 1085 case EVR_ST: // short text | |
| 1086 return new DcmShortText(key); | |
| 1087 | |
| 1088 case EVR_LO: // long string | |
| 1089 return new DcmLongString(key); | |
| 1090 | |
| 1091 case EVR_LT: // long text | |
| 1092 return new DcmLongText(key); | |
| 1093 | |
| 1094 case EVR_UT: // unlimited text | |
| 1095 return new DcmUnlimitedText(key); | |
| 1096 | |
| 1097 case EVR_SH: // short string | |
| 1098 return new DcmShortString(key); | |
| 1099 | |
| 1100 case EVR_PN: // person name | |
| 1101 return new DcmPersonName(key); | |
| 1102 | |
| 1103 | |
| 1104 /** | |
| 1105 * Numerical types | |
| 1106 **/ | |
| 1107 | |
| 1108 case EVR_SL: // signed long | |
| 1109 return new DcmSignedLong(key); | |
| 1110 | |
| 1111 case EVR_SS: // signed short | |
| 1112 return new DcmSignedShort(key); | |
| 1113 | |
| 1114 case EVR_UL: // unsigned long | |
| 1115 return new DcmUnsignedLong(key); | |
| 1116 | |
| 1117 case EVR_US: // unsigned short | |
| 1118 return new DcmUnsignedShort(key); | |
| 1119 | |
| 1120 case EVR_FL: // float single-precision | |
| 1121 return new DcmFloatingPointSingle(key); | |
| 1122 | |
| 1123 case EVR_FD: // float double-precision | |
| 1124 return new DcmFloatingPointDouble(key); | |
| 1125 | |
| 1126 | |
| 1127 /** | |
| 1128 * Sequence types, should never occur at this point. | |
| 1129 **/ | |
| 1130 | |
| 1131 case EVR_SQ: // sequence of items | |
| 1132 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
| 1133 | |
| 1134 | |
| 1135 /** | |
| 1136 * Internal to DCMTK. | |
| 1137 **/ | |
| 1138 | |
| 1139 case EVR_ox: // OB or OW depending on context | |
| 1140 case EVR_xs: // SS or US depending on context | |
| 1141 case EVR_lt: // US, SS or OW depending on context, used for LUT Data (thus the name) | |
| 1142 case EVR_na: // na="not applicable", for data which has no VR | |
| 1143 case EVR_up: // up="unsigned pointer", used internally for DICOMDIR suppor | |
| 1144 case EVR_item: // used internally for items | |
| 1145 case EVR_metainfo: // used internally for meta info datasets | |
| 1146 case EVR_dataset: // used internally for datasets | |
| 1147 case EVR_fileFormat: // used internally for DICOM files | |
| 1148 case EVR_dicomDir: // used internally for DICOMDIR objects | |
| 1149 case EVR_dirRecord: // used internally for DICOMDIR records | |
| 1150 case EVR_pixelSQ: // used internally for pixel sequences in a compressed image | |
| 1151 case EVR_pixelItem: // used internally for pixel items in a compressed image | |
| 1152 case EVR_UNKNOWN: // used internally for elements with unknown VR (encoded with 4-byte length field in explicit VR) | |
| 1153 case EVR_PixelData: // used internally for uncompressed pixeld data | |
| 1154 case EVR_OverlayData: // used internally for overlay data | |
| 1155 case EVR_UNKNOWN2B: // used internally for elements with unknown VR with 2-byte length field in explicit VR | |
| 1156 default: | |
| 1157 break; | |
| 1158 } | |
| 1159 | |
| 1160 throw OrthancException(ErrorCode_InternalError); | |
| 1161 } | |
| 1162 | |
| 1163 | |
| 1164 | |
| 1165 void FromDcmtkBridge::FillElementWithString(DcmElement& element, | |
| 1166 const DicomTag& tag, | |
| 1695 | 1167 const std::string& utf8Value, |
| 1168 bool decodeBinaryTags, | |
| 1169 Encoding dicomEncoding) | |
| 1689 | 1170 { |
| 1171 std::string binary; | |
| 1695 | 1172 const std::string* decoded = &utf8Value; |
| 1689 | 1173 |
| 1174 if (decodeBinaryTags && | |
| 1695 | 1175 boost::starts_with(utf8Value, "data:application/octet-stream;base64,")) |
| 1689 | 1176 { |
| 1177 std::string mime; | |
| 1695 | 1178 Toolbox::DecodeDataUriScheme(mime, binary, utf8Value); |
| 1179 decoded = &binary; | |
| 1180 } | |
| 1181 else if (dicomEncoding != Encoding_Utf8) | |
| 1182 { | |
| 1183 binary = Toolbox::ConvertFromUtf8(utf8Value, dicomEncoding); | |
| 1689 | 1184 decoded = &binary; |
| 1185 } | |
| 1186 | |
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1187 DcmTag key(tag.GetGroup(), tag.GetElement()); |
| 1689 | 1188 |
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1189 if (IsBinaryTag(key)) |
| 1689 | 1190 { |
| 1191 if (element.putUint8Array((const Uint8*) decoded->c_str(), decoded->size()).good()) | |
| 1192 { | |
| 1193 return; | |
| 1194 } | |
| 1195 else | |
| 1196 { | |
| 1197 throw OrthancException(ErrorCode_InternalError); | |
| 1198 } | |
| 1199 } | |
| 1200 | |
| 1201 bool ok = false; | |
| 1202 | |
| 1203 try | |
| 1204 { | |
| 1205 switch (key.getEVR()) | |
| 1206 { | |
| 1207 // http://support.dcmtk.org/docs/dcvr_8h-source.html | |
| 1208 | |
| 1209 /** | |
| 1210 * TODO. | |
| 1211 **/ | |
| 1212 | |
| 1213 case EVR_OB: // other byte | |
| 1214 case EVR_OF: // other float | |
| 1215 case EVR_OW: // other word | |
| 1216 case EVR_AT: // attribute tag | |
| 1217 throw OrthancException(ErrorCode_NotImplemented); | |
| 1218 | |
| 1219 case EVR_UN: // unknown value representation | |
| 1220 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
| 1221 | |
| 1222 | |
| 1223 /** | |
| 1224 * String types. | |
| 1225 **/ | |
| 1226 | |
| 1227 case EVR_DS: // decimal string | |
| 1228 case EVR_IS: // integer string | |
| 1229 case EVR_AS: // age string | |
| 1230 case EVR_DA: // date string | |
| 1231 case EVR_DT: // date time string | |
| 1232 case EVR_TM: // time string | |
| 1233 case EVR_AE: // application entity title | |
| 1234 case EVR_CS: // code string | |
| 1235 case EVR_SH: // short string | |
| 1236 case EVR_LO: // long string | |
| 1237 case EVR_ST: // short text | |
| 1238 case EVR_LT: // long text | |
| 1239 case EVR_UT: // unlimited text | |
| 1240 case EVR_PN: // person name | |
| 1241 case EVR_UI: // unique identifier | |
| 1242 { | |
| 1243 ok = element.putString(decoded->c_str()).good(); | |
| 1244 break; | |
| 1245 } | |
| 1246 | |
| 1247 | |
| 1248 /** | |
| 1249 * Numerical types | |
| 1250 **/ | |
| 1251 | |
| 1252 case EVR_SL: // signed long | |
| 1253 { | |
| 1254 ok = element.putSint32(boost::lexical_cast<Sint32>(*decoded)).good(); | |
| 1255 break; | |
| 1256 } | |
| 1257 | |
| 1258 case EVR_SS: // signed short | |
| 1259 { | |
| 1260 ok = element.putSint16(boost::lexical_cast<Sint16>(*decoded)).good(); | |
| 1261 break; | |
| 1262 } | |
| 1263 | |
| 1264 case EVR_UL: // unsigned long | |
| 1265 { | |
| 1266 ok = element.putUint32(boost::lexical_cast<Uint32>(*decoded)).good(); | |
| 1267 break; | |
| 1268 } | |
| 1269 | |
| 1270 case EVR_US: // unsigned short | |
| 1271 { | |
| 1272 ok = element.putUint16(boost::lexical_cast<Uint16>(*decoded)).good(); | |
| 1273 break; | |
| 1274 } | |
| 1275 | |
| 1276 case EVR_FL: // float single-precision | |
| 1277 { | |
| 1278 ok = element.putFloat32(boost::lexical_cast<float>(*decoded)).good(); | |
| 1279 break; | |
| 1280 } | |
| 1281 | |
| 1282 case EVR_FD: // float double-precision | |
| 1283 { | |
| 1284 ok = element.putFloat64(boost::lexical_cast<double>(*decoded)).good(); | |
| 1285 break; | |
| 1286 } | |
| 1287 | |
| 1288 | |
| 1289 /** | |
| 1290 * Sequence types, should never occur at this point. | |
| 1291 **/ | |
| 1292 | |
| 1293 case EVR_SQ: // sequence of items | |
| 1294 { | |
| 1295 ok = false; | |
| 1296 break; | |
| 1297 } | |
| 1298 | |
| 1299 | |
| 1300 /** | |
| 1301 * Internal to DCMTK. | |
| 1302 **/ | |
| 1303 | |
| 1304 case EVR_ox: // OB or OW depending on context | |
| 1305 case EVR_xs: // SS or US depending on context | |
| 1306 case EVR_lt: // US, SS or OW depending on context, used for LUT Data (thus the name) | |
| 1307 case EVR_na: // na="not applicable", for data which has no VR | |
| 1308 case EVR_up: // up="unsigned pointer", used internally for DICOMDIR suppor | |
| 1309 case EVR_item: // used internally for items | |
| 1310 case EVR_metainfo: // used internally for meta info datasets | |
| 1311 case EVR_dataset: // used internally for datasets | |
| 1312 case EVR_fileFormat: // used internally for DICOM files | |
| 1313 case EVR_dicomDir: // used internally for DICOMDIR objects | |
| 1314 case EVR_dirRecord: // used internally for DICOMDIR records | |
| 1315 case EVR_pixelSQ: // used internally for pixel sequences in a compressed image | |
| 1316 case EVR_pixelItem: // used internally for pixel items in a compressed image | |
| 1317 case EVR_UNKNOWN: // used internally for elements with unknown VR (encoded with 4-byte length field in explicit VR) | |
| 1318 case EVR_PixelData: // used internally for uncompressed pixeld data | |
| 1319 case EVR_OverlayData: // used internally for overlay data | |
| 1320 case EVR_UNKNOWN2B: // used internally for elements with unknown VR with 2-byte length field in explicit VR | |
| 1321 default: | |
| 1322 break; | |
| 1323 } | |
| 1324 } | |
| 1325 catch (boost::bad_lexical_cast&) | |
| 1326 { | |
| 1327 ok = false; | |
| 1328 } | |
| 1329 | |
| 1330 if (!ok) | |
| 1331 { | |
| 1332 throw OrthancException(ErrorCode_InternalError); | |
| 1333 } | |
| 1334 } | |
| 1335 | |
| 1336 | |
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1337 DcmElement* FromDcmtkBridge::FromJson(const DicomTag& tag, |
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1338 const Json::Value& value, |
| 1695 | 1339 bool decodeBinaryTags, |
| 1340 Encoding dicomEncoding) | |
| 1689 | 1341 { |
| 1342 std::auto_ptr<DcmElement> element; | |
| 1343 | |
| 1690 | 1344 switch (value.type()) |
| 1689 | 1345 { |
| 1690 | 1346 case Json::stringValue: |
| 1347 element.reset(CreateElementForTag(tag)); | |
| 1695 | 1348 FillElementWithString(*element, tag, value.asString(), decodeBinaryTags, dicomEncoding); |
| 1690 | 1349 break; |
| 1350 | |
| 1351 case Json::arrayValue: | |
| 1352 { | |
| 1353 DcmTag key(tag.GetGroup(), tag.GetElement()); | |
| 1354 if (key.getEVR() != EVR_SQ) | |
| 1355 { | |
| 1356 throw OrthancException(ErrorCode_BadParameterType); | |
| 1357 } | |
| 1358 | |
| 1359 DcmSequenceOfItems* sequence = new DcmSequenceOfItems(key, value.size()); | |
| 1360 element.reset(sequence); | |
| 1361 | |
| 1362 for (Json::Value::ArrayIndex i = 0; i < value.size(); i++) | |
| 1363 { | |
| 1364 std::auto_ptr<DcmItem> item(new DcmItem); | |
| 1365 | |
| 1366 Json::Value::Members members = value[i].getMemberNames(); | |
| 1367 for (Json::Value::ArrayIndex j = 0; j < members.size(); j++) | |
| 1368 { | |
| 1695 | 1369 item->insert(FromJson(ParseTag(members[j]), value[i][members[j]], decodeBinaryTags, dicomEncoding)); |
| 1690 | 1370 } |
| 1371 | |
| 1372 sequence->append(item.release()); | |
| 1373 } | |
| 1374 | |
| 1375 break; | |
| 1376 } | |
| 1377 | |
| 1378 default: | |
| 1379 throw OrthancException(ErrorCode_BadParameterType); | |
| 1689 | 1380 } |
| 1381 | |
| 1382 return element.release(); | |
| 1383 } | |
| 0 | 1384 } |