Mercurial > hg > orthanc
annotate OrthancServer/FromDcmtkBridge.cpp @ 1087:e07b90fb00eb
more encodings
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 04 Aug 2014 18:12:21 +0200 |
| parents | e56c3ed8d738 |
| children | e494ceb8d763 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 62 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 689 | 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, |
| 0 | 4 * Belgium |
| 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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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/Toolbox.h" |
| 62 | 46 #include "../Core/OrthancException.h" |
| 799 | 47 #include "../Core/ImageFormats/PngWriter.h" |
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48 #include "../Core/Uuid.h" |
| 0 | 49 #include "../Core/DicomFormat/DicomString.h" |
| 50 #include "../Core/DicomFormat/DicomNullValue.h" | |
| 79 | 51 #include "../Core/DicomFormat/DicomIntegerPixelAccessor.h" |
| 0 | 52 |
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53 #include <list> |
| 71 | 54 #include <limits> |
| 55 | |
| 0 | 56 #include <boost/lexical_cast.hpp> |
| 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> |
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91 |
| 0 | 92 |
| 2 | 93 #include <boost/math/special_functions/round.hpp> |
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94 #include <glog/logging.h> |
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95 #include <dcmtk/dcmdata/dcostrmb.h> |
| 0 | 96 |
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97 |
| 62 | 98 namespace Orthanc |
| 0 | 99 { |
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100 static inline uint16_t GetCharValue(char c) |
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101 { |
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102 if (c >= '0' && c <= '9') |
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103 return c - '0'; |
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104 else if (c >= 'a' && c <= 'f') |
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105 return c - 'a' + 10; |
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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 |
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109 return 0; |
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110 } |
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111 |
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112 static inline uint16_t GetTagValue(const char* c) |
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113 { |
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114 return ((GetCharValue(c[0]) << 12) + |
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115 (GetCharValue(c[1]) << 8) + |
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116 (GetCharValue(c[2]) << 4) + |
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117 GetCharValue(c[3])); |
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118 } |
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119 |
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120 |
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121 Encoding FromDcmtkBridge::DetectEncoding(DcmDataset& dataset) |
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122 { |
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123 // By default, Ascii encoding is assumed (this removes all the special charaters) |
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124 std::string s = Configuration::GetGlobalStringParameter("DefaultEncoding", ""); |
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125 Encoding encoding = s.empty() ? Encoding_Ascii : StringToEncoding(s.c_str()); |
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126 |
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127 OFString tmp; |
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128 if (dataset.findAndGetOFString(DCM_SpecificCharacterSet, tmp).good()) |
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129 { |
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130 std::string characterSet = Toolbox::StripSpaces(std::string(tmp.c_str())); |
| 1087 | 131 Toolbox::ToUpperCase(characterSet); |
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132 |
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133 if (characterSet == "ISO_IR 6" || |
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134 characterSet == "ISO_IR 192") |
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135 { |
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136 encoding = Encoding_Utf8; |
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137 } |
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138 else if (characterSet == "ISO_IR 100") |
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139 { |
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140 encoding = Encoding_Latin1; |
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141 } |
| 1087 | 142 else if (characterSet == "ISO_IR 101") |
| 143 { | |
| 144 encoding = Encoding_Latin2; | |
| 145 } | |
| 146 else if (characterSet == "ISO_IR 109") | |
| 147 { | |
| 148 encoding = Encoding_Latin3; | |
| 149 } | |
| 150 else if (characterSet == "ISO_IR 110") | |
| 151 { | |
| 152 encoding = Encoding_Latin4; | |
| 153 } | |
| 154 else if (characterSet == "ISO_IR 148") | |
| 155 { | |
| 156 encoding = Encoding_Latin5; | |
| 157 } | |
| 158 else if (characterSet == "ISO_IR 144") | |
| 159 { | |
| 160 encoding = Encoding_Cyrillic; | |
| 161 } | |
| 162 else if (characterSet == "ISO_IR 127") | |
| 163 { | |
| 164 encoding = Encoding_Arabic; | |
| 165 } | |
| 166 else if (characterSet == "ISO_IR 126") | |
| 167 { | |
| 168 encoding = Encoding_Greek; | |
| 169 } | |
| 170 else if (characterSet == "ISO_IR 138") | |
| 171 { | |
| 172 encoding = Encoding_Hebrew; | |
| 173 } | |
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174 else if (!characterSet.empty()) |
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175 { |
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176 LOG(WARNING) << "Value of Specific Character Set (0008,0005) is not supported: " << characterSet; |
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177 // Fallback to ASCII (remove all special characters) |
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178 encoding = Encoding_Ascii; |
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179 } |
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180 } |
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181 |
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182 return encoding; |
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183 } |
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184 |
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185 |
| 0 | 186 void FromDcmtkBridge::Convert(DicomMap& target, DcmDataset& dataset) |
| 187 { | |
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188 Encoding encoding = DetectEncoding(dataset); |
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189 |
| 0 | 190 target.Clear(); |
| 191 for (unsigned long i = 0; i < dataset.card(); i++) | |
| 192 { | |
| 193 DcmElement* element = dataset.getElement(i); | |
| 194 if (element && element->isLeaf()) | |
| 195 { | |
| 196 target.SetValue(element->getTag().getGTag(), | |
| 197 element->getTag().getETag(), | |
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198 ConvertLeafElement(*element, encoding)); |
| 0 | 199 } |
| 200 } | |
| 201 } | |
| 202 | |
| 203 | |
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204 DicomTag FromDcmtkBridge::Convert(const DcmTag& tag) |
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205 { |
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206 return DicomTag(tag.getGTag(), tag.getETag()); |
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207 } |
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208 |
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209 |
| 0 | 210 DicomTag FromDcmtkBridge::GetTag(const DcmElement& element) |
| 211 { | |
| 212 return DicomTag(element.getGTag(), element.getETag()); | |
| 213 } | |
| 214 | |
| 215 | |
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216 bool FromDcmtkBridge::IsPrivateTag(DcmTag& tag) |
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217 { |
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218 return (tag.getPrivateCreator() != NULL || |
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219 !strcmp("PrivateCreator", tag.getTagName())); // TODO - This may change with future versions of DCMTK |
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220 } |
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221 |
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222 |
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223 bool FromDcmtkBridge::IsPrivateTag(const DicomTag& tag) |
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224 { |
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225 DcmTag tmp(tag.GetGroup(), tag.GetElement()); |
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226 return IsPrivateTag(tmp); |
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227 } |
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228 |
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229 |
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230 DicomValue* FromDcmtkBridge::ConvertLeafElement(DcmElement& element, |
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231 Encoding encoding) |
| 0 | 232 { |
| 233 if (!element.isLeaf()) | |
| 234 { | |
| 62 | 235 throw OrthancException("Only applicable to leaf elements"); |
| 0 | 236 } |
| 237 | |
| 238 if (element.isaString()) | |
| 239 { | |
| 240 char *c; | |
| 241 if (element.getString(c).good() && | |
| 242 c != NULL) | |
| 243 { | |
| 244 std::string s(c); | |
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245 std::string utf8 = Toolbox::ConvertToUtf8(s, encoding); |
| 0 | 246 return new DicomString(utf8); |
| 247 } | |
| 248 else | |
| 249 { | |
| 250 return new DicomNullValue; | |
| 251 } | |
| 252 } | |
| 253 | |
| 254 try | |
| 255 { | |
| 256 // http://support.dcmtk.org/docs/dcvr_8h-source.html | |
| 257 switch (element.getVR()) | |
| 258 { | |
| 259 | |
| 260 /** | |
| 261 * TODO. | |
| 262 **/ | |
|
306
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263 |
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264 case EVR_OB: // other byte |
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265 case EVR_OF: // other float |
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266 case EVR_OW: // other word |
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267 case EVR_AT: // attribute tag |
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268 case EVR_UN: // unknown value representation |
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269 return new DicomNullValue(); |
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270 |
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271 /** |
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272 * String types, should never happen at this point because of |
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273 * "element.isaString()". |
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274 **/ |
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275 |
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306
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276 case EVR_DS: // decimal string |
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277 case EVR_IS: // integer string |
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278 case EVR_AS: // age string |
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279 case EVR_DA: // date string |
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280 case EVR_DT: // date time string |
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281 case EVR_TM: // time string |
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282 case EVR_AE: // application entity title |
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283 case EVR_CS: // code string |
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284 case EVR_SH: // short string |
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285 case EVR_LO: // long string |
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286 case EVR_ST: // short text |
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287 case EVR_LT: // long text |
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288 case EVR_UT: // unlimited text |
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289 case EVR_PN: // person name |
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290 case EVR_UI: // unique identifier |
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291 return new DicomNullValue(); |
| 0 | 292 |
| 293 | |
|
302
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294 /** |
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295 * Numerical types |
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296 **/ |
| 0 | 297 |
|
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298 case EVR_SL: // signed long |
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299 { |
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300 Sint32 f; |
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301 if (dynamic_cast<DcmSignedLong&>(element).getSint32(f).good()) |
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302 return new DicomString(boost::lexical_cast<std::string>(f)); |
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303 else |
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304 return new DicomNullValue(); |
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305 } |
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306 |
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307 case EVR_SS: // signed short |
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308 { |
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309 Sint16 f; |
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310 if (dynamic_cast<DcmSignedShort&>(element).getSint16(f).good()) |
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311 return new DicomString(boost::lexical_cast<std::string>(f)); |
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312 else |
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313 return new DicomNullValue(); |
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314 } |
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315 |
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316 case EVR_UL: // unsigned long |
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317 { |
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318 Uint32 f; |
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319 if (dynamic_cast<DcmUnsignedLong&>(element).getUint32(f).good()) |
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320 return new DicomString(boost::lexical_cast<std::string>(f)); |
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321 else |
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322 return new DicomNullValue(); |
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323 } |
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324 |
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325 case EVR_US: // unsigned short |
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326 { |
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327 Uint16 f; |
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328 if (dynamic_cast<DcmUnsignedShort&>(element).getUint16(f).good()) |
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329 return new DicomString(boost::lexical_cast<std::string>(f)); |
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330 else |
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331 return new DicomNullValue(); |
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332 } |
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333 |
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334 case EVR_FL: // float single-precision |
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335 { |
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336 Float32 f; |
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337 if (dynamic_cast<DcmFloatingPointSingle&>(element).getFloat32(f).good()) |
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338 return new DicomString(boost::lexical_cast<std::string>(f)); |
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339 else |
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340 return new DicomNullValue(); |
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341 } |
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342 |
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343 case EVR_FD: // float double-precision |
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344 { |
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345 Float64 f; |
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346 if (dynamic_cast<DcmFloatingPointDouble&>(element).getFloat64(f).good()) |
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347 return new DicomString(boost::lexical_cast<std::string>(f)); |
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348 else |
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349 return new DicomNullValue(); |
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350 } |
| 0 | 351 |
| 352 | |
| 353 /** | |
|
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354 * Sequence types, should never occur at this point because of |
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355 * "element.isLeaf()". |
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356 **/ |
| 0 | 357 |
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358 case EVR_SQ: // sequence of items |
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359 return new DicomNullValue; |
| 0 | 360 |
| 361 | |
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362 /** |
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363 * Internal to DCMTK. |
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364 **/ |
| 0 | 365 |
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366 case EVR_ox: // OB or OW depending on context |
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367 case EVR_xs: // SS or US depending on context |
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368 case EVR_lt: // US, SS or OW depending on context, used for LUT Data (thus the name) |
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369 case EVR_na: // na="not applicable", for data which has no VR |
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370 case EVR_up: // up="unsigned pointer", used internally for DICOMDIR suppor |
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371 case EVR_item: // used internally for items |
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372 case EVR_metainfo: // used internally for meta info datasets |
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373 case EVR_dataset: // used internally for datasets |
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374 case EVR_fileFormat: // used internally for DICOM files |
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375 case EVR_dicomDir: // used internally for DICOMDIR objects |
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376 case EVR_dirRecord: // used internally for DICOMDIR records |
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377 case EVR_pixelSQ: // used internally for pixel sequences in a compressed image |
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378 case EVR_pixelItem: // used internally for pixel items in a compressed image |
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379 case EVR_UNKNOWN: // used internally for elements with unknown VR (encoded with 4-byte length field in explicit VR) |
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380 case EVR_PixelData: // used internally for uncompressed pixeld data |
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381 case EVR_OverlayData: // used internally for overlay data |
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382 case EVR_UNKNOWN2B: // used internally for elements with unknown VR with 2-byte length field in explicit VR |
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383 return new DicomNullValue; |
| 0 | 384 |
| 385 | |
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386 /** |
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387 * Default case. |
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388 **/ |
| 0 | 389 |
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390 default: |
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391 return new DicomNullValue; |
| 0 | 392 } |
| 393 } | |
| 394 catch (boost::bad_lexical_cast) | |
| 395 { | |
| 396 return new DicomNullValue; | |
| 397 } | |
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398 catch (std::bad_cast) |
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399 { |
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400 return new DicomNullValue; |
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401 } |
| 0 | 402 } |
| 403 | |
| 404 | |
| 405 static void StoreElement(Json::Value& target, | |
| 406 DcmElement& element, | |
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407 unsigned int maxStringLength, |
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408 Encoding encoding); |
| 0 | 409 |
| 410 static void StoreItem(Json::Value& target, | |
| 411 DcmItem& item, | |
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412 unsigned int maxStringLength, |
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413 Encoding encoding) |
| 0 | 414 { |
| 415 target = Json::Value(Json::objectValue); | |
| 416 | |
| 417 for (unsigned long i = 0; i < item.card(); i++) | |
| 418 { | |
| 419 DcmElement* element = item.getElement(i); | |
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420 StoreElement(target, *element, maxStringLength, encoding); |
| 0 | 421 } |
| 422 } | |
| 423 | |
| 424 | |
| 425 static void StoreElement(Json::Value& target, | |
| 426 DcmElement& element, | |
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427 unsigned int maxStringLength, |
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428 Encoding encoding) |
| 0 | 429 { |
| 430 assert(target.type() == Json::objectValue); | |
| 431 | |
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432 DicomTag tag(FromDcmtkBridge::GetTag(element)); |
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433 const std::string formattedTag = tag.Format(); |
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434 |
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435 #if 0 |
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436 const std::string tagName = FromDcmtkBridge::GetName(tag); |
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437 #else |
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438 // This version of the code gives access to the name of the private tags |
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439 DcmTag tagbis(element.getTag()); |
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440 const std::string tagName(tagbis.getTagName()); |
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441 #endif |
| 0 | 442 |
| 443 if (element.isLeaf()) | |
| 444 { | |
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445 Json::Value value(Json::objectValue); |
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446 value["Name"] = tagName; |
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447 |
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448 if (tagbis.getPrivateCreator() != NULL) |
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449 { |
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450 value["PrivateCreator"] = tagbis.getPrivateCreator(); |
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451 } |
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452 |
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453 std::auto_ptr<DicomValue> v(FromDcmtkBridge::ConvertLeafElement(element, encoding)); |
| 0 | 454 if (v->IsNull()) |
| 455 { | |
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456 value["Type"] = "Null"; |
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457 value["Value"] = Json::nullValue; |
| 0 | 458 } |
| 459 else | |
| 460 { | |
| 461 std::string s = v->AsString(); | |
| 462 if (maxStringLength == 0 || | |
| 463 s.size() <= maxStringLength) | |
| 464 { | |
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465 value["Type"] = "String"; |
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466 value["Value"] = s; |
| 0 | 467 } |
| 468 else | |
| 469 { | |
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470 value["Type"] = "TooLong"; |
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471 value["Value"] = Json::nullValue; |
| 0 | 472 } |
| 473 } | |
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474 |
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475 target[formattedTag] = value; |
| 0 | 476 } |
| 477 else | |
| 478 { | |
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479 Json::Value children(Json::arrayValue); |
| 0 | 480 |
| 481 // "All subclasses of DcmElement except for DcmSequenceOfItems | |
| 482 // are leaf nodes, while DcmSequenceOfItems, DcmItem, DcmDataset | |
| 483 // etc. are not." The following cast is thus OK. | |
| 484 DcmSequenceOfItems& sequence = dynamic_cast<DcmSequenceOfItems&>(element); | |
| 485 | |
| 486 for (unsigned long i = 0; i < sequence.card(); i++) | |
| 487 { | |
| 488 DcmItem* child = sequence.getItem(i); | |
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489 Json::Value& v = children.append(Json::objectValue); |
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490 StoreItem(v, *child, maxStringLength, encoding); |
| 0 | 491 } |
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492 |
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493 target[formattedTag]["Name"] = tagName; |
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494 target[formattedTag]["Type"] = "Sequence"; |
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495 target[formattedTag]["Value"] = children; |
| 0 | 496 } |
| 497 } | |
| 498 | |
| 499 | |
| 500 void FromDcmtkBridge::ToJson(Json::Value& root, | |
| 501 DcmDataset& dataset, | |
| 502 unsigned int maxStringLength) | |
| 503 { | |
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504 StoreItem(root, dataset, maxStringLength, DetectEncoding(dataset)); |
| 0 | 505 } |
| 506 | |
| 507 | |
| 508 | |
| 509 void FromDcmtkBridge::ToJson(Json::Value& target, | |
| 510 const std::string& path, | |
| 511 unsigned int maxStringLength) | |
| 512 { | |
| 513 DcmFileFormat dicom; | |
| 514 if (!dicom.loadFile(path.c_str()).good()) | |
| 515 { | |
| 62 | 516 throw OrthancException(ErrorCode_BadFileFormat); |
| 0 | 517 } |
| 518 else | |
| 519 { | |
| 520 FromDcmtkBridge::ToJson(target, *dicom.getDataset(), maxStringLength); | |
| 521 } | |
| 522 } | |
| 523 | |
| 524 | |
| 525 | |
| 526 std::string FromDcmtkBridge::GetName(const DicomTag& t) | |
| 527 { | |
| 106 | 528 // Some patches for important tags because of different DICOM |
| 529 // dictionaries between DCMTK versions | |
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530 std::string n = t.GetMainTagsName(); |
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531 if (n.size() != 0) |
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532 { |
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533 return n; |
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534 } |
| 106 | 535 // End of patches |
| 536 | |
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537 #if 0 |
| 0 | 538 DcmTagKey tag(t.GetGroup(), t.GetElement()); |
| 539 const DcmDataDictionary& dict = dcmDataDict.rdlock(); | |
| 540 const DcmDictEntry* entry = dict.findEntry(tag, NULL); | |
| 541 | |
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542 std::string s(DcmTag_ERROR_TagName); |
| 0 | 543 if (entry != NULL) |
| 544 { | |
| 545 s = std::string(entry->getTagName()); | |
| 546 } | |
| 547 | |
| 548 dcmDataDict.unlock(); | |
| 549 return s; | |
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550 #else |
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551 DcmTag tag(t.GetGroup(), t.GetElement()); |
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552 const char* name = tag.getTagName(); |
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553 if (name == NULL) |
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554 { |
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555 return DcmTag_ERROR_TagName; |
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556 } |
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557 else |
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558 { |
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559 return std::string(name); |
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560 } |
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561 #endif |
| 0 | 562 } |
| 563 | |
| 564 | |
| 304 | 565 DicomTag FromDcmtkBridge::ParseTag(const char* name) |
| 0 | 566 { |
| 304 | 567 if (strlen(name) == 9 && |
| 568 isxdigit(name[0]) && | |
| 569 isxdigit(name[1]) && | |
| 570 isxdigit(name[2]) && | |
| 571 isxdigit(name[3]) && | |
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572 (name[4] == '-' || name[4] == ',') && |
| 304 | 573 isxdigit(name[5]) && |
| 574 isxdigit(name[6]) && | |
| 575 isxdigit(name[7]) && | |
| 576 isxdigit(name[8])) | |
| 577 { | |
| 578 uint16_t group = GetTagValue(name); | |
| 579 uint16_t element = GetTagValue(name + 5); | |
| 580 return DicomTag(group, element); | |
| 581 } | |
| 582 | |
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583 #if 0 |
| 0 | 584 const DcmDataDictionary& dict = dcmDataDict.rdlock(); |
| 585 const DcmDictEntry* entry = dict.findEntry(name); | |
| 586 | |
| 587 if (entry == NULL) | |
| 588 { | |
| 589 dcmDataDict.unlock(); | |
| 62 | 590 throw OrthancException("Unknown DICOM tag"); |
| 0 | 591 } |
| 592 else | |
| 593 { | |
| 594 DcmTagKey key = entry->getKey(); | |
| 595 DicomTag tag(key.getGroup(), key.getElement()); | |
| 596 dcmDataDict.unlock(); | |
| 597 return tag; | |
| 598 } | |
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599 #else |
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600 DcmTag tag; |
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601 if (DcmTag::findTagFromName(name, tag).good()) |
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602 { |
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603 return DicomTag(tag.getGTag(), tag.getETag()); |
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604 } |
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605 else |
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606 { |
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607 throw OrthancException("Unknown DICOM tag"); |
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608 } |
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609 #endif |
| 0 | 610 } |
| 611 | |
| 612 | |
| 613 void FromDcmtkBridge::Print(FILE* fp, const DicomMap& m) | |
| 614 { | |
| 615 for (DicomMap::Map::const_iterator | |
| 656 | 616 it = m.map_.begin(); it != m.map_.end(); ++it) |
| 0 | 617 { |
| 618 DicomTag t = it->first; | |
| 619 std::string s = it->second->AsString(); | |
| 319 | 620 fprintf(fp, "0x%04x 0x%04x (%s) [%s]\n", t.GetGroup(), t.GetElement(), GetName(t).c_str(), s.c_str()); |
| 0 | 621 } |
| 622 } | |
| 623 | |
| 624 | |
| 625 void FromDcmtkBridge::ToJson(Json::Value& result, | |
| 626 const DicomMap& values) | |
| 627 { | |
| 628 if (result.type() != Json::objectValue) | |
| 629 { | |
| 62 | 630 throw OrthancException(ErrorCode_BadParameterType); |
| 0 | 631 } |
| 632 | |
| 633 result.clear(); | |
| 634 | |
| 635 for (DicomMap::Map::const_iterator | |
| 656 | 636 it = values.map_.begin(); it != values.map_.end(); ++it) |
| 0 | 637 { |
| 638 result[GetName(it->first)] = it->second->AsString(); | |
| 639 } | |
| 640 } | |
| 176 | 641 |
| 642 | |
| 788 | 643 std::string FromDcmtkBridge::GenerateUniqueIdentifier(ResourceType level) |
| 176 | 644 { |
| 645 char uid[100]; | |
| 646 | |
| 647 switch (level) | |
| 648 { | |
| 788 | 649 case ResourceType_Patient: |
| 311 | 650 // The "PatientID" field is of type LO (Long String), 64 |
| 651 // Bytes Maximum. An UUID is of length 36, thus it can be used | |
| 652 // as a random PatientID. | |
| 653 return Toolbox::GenerateUuid(); | |
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654 |
| 788 | 655 case ResourceType_Instance: |
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656 return dcmGenerateUniqueIdentifier(uid, SITE_INSTANCE_UID_ROOT); |
| 176 | 657 |
| 788 | 658 case ResourceType_Series: |
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659 return dcmGenerateUniqueIdentifier(uid, SITE_SERIES_UID_ROOT); |
| 176 | 660 |
| 788 | 661 case ResourceType_Study: |
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662 return dcmGenerateUniqueIdentifier(uid, SITE_STUDY_UID_ROOT); |
| 176 | 663 |
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664 default: |
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665 throw OrthancException(ErrorCode_ParameterOutOfRange); |
| 176 | 666 } |
| 667 } | |
| 668 | |
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669 bool FromDcmtkBridge::SaveToMemoryBuffer(std::string& buffer, |
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670 DcmDataset& dataSet) |
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671 { |
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672 // Determine the transfer syntax which shall be used to write the |
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673 // information to the file. We always switch to the Little Endian |
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674 // syntax, with explicit length. |
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675 |
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676 // http://support.dcmtk.org/docs/dcxfer_8h-source.html |
|
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677 |
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678 |
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679 /** |
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680 * Note that up to Orthanc 0.7.1 (inclusive), the |
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681 * "EXS_LittleEndianExplicit" was always used to save the DICOM |
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682 * dataset into memory. We now keep the original transfer syntax |
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683 * (if available). |
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684 **/ |
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685 E_TransferSyntax xfer = dataSet.getOriginalXfer(); |
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686 if (xfer == EXS_Unknown) |
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687 { |
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688 // No information about the original transfer syntax: This is |
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689 // most probably a DICOM dataset that was read from memory. |
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690 xfer = EXS_LittleEndianExplicit; |
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691 } |
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692 |
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693 E_EncodingType encodingType = /*opt_sequenceType*/ EET_ExplicitLength; |
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694 |
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695 // Create the meta-header information |
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696 DcmFileFormat ff(&dataSet); |
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697 ff.validateMetaInfo(xfer); |
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698 |
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699 // Create a memory buffer with the proper size |
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700 uint32_t s = ff.calcElementLength(xfer, encodingType); |
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701 buffer.resize(s); |
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702 DcmOutputBufferStream ob(&buffer[0], s); |
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703 |
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704 // Fill the memory buffer with the meta-header and the dataset |
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705 ff.transferInit(); |
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706 OFCondition c = ff.write(ob, xfer, encodingType, NULL, |
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707 /*opt_groupLength*/ EGL_recalcGL, |
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708 /*opt_paddingType*/ EPD_withoutPadding); |
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709 ff.transferEnd(); |
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710 |
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711 // Handle errors |
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712 if (c.good()) |
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713 { |
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714 return true; |
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715 } |
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716 else |
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717 { |
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718 buffer.clear(); |
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719 return false; |
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720 } |
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721 } |
| 0 | 722 } |