Mercurial > hg > orthanc-stone
annotate Resources/Graveyard/Toolbox/DicomDataset.cpp @ 40:7207a407bcd8
shared copyright with osimis
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 04 Jan 2017 16:37:42 +0100 |
| parents | 9ee7e2f5f1a3 |
| children | 28956ed68280 |
| rev | line source |
|---|---|
| 39 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
40
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
39
diff
changeset
|
5 * Copyright (C) 2017 Osimis, Belgium |
| 39 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU General Public License as | |
| 9 * published by the Free Software Foundation, either version 3 of the | |
| 10 * License, or (at your option) any later version. | |
| 11 * | |
| 12 * In addition, as a special exception, the copyright holders of this | |
| 13 * program give permission to link the code of its release with the | |
| 14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 15 * that use the same license as the "OpenSSL" library), and distribute | |
| 16 * the linked executables. You must obey the GNU General Public License | |
| 17 * in all respects for all of the code used other than "OpenSSL". If you | |
| 18 * modify file(s) with this exception, you may extend this exception to | |
| 19 * your version of the file(s), but you are not obligated to do so. If | |
| 20 * you do not wish to do so, delete this exception statement from your | |
| 21 * version. If you delete this exception statement from all source files | |
| 22 * in the program, then also delete it here. | |
| 23 * | |
| 24 * This program is distributed in the hope that it will be useful, but | |
| 25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 27 * General Public License for more details. | |
| 28 * | |
| 29 * You should have received a copy of the GNU General Public License | |
| 30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 31 **/ | |
| 32 | |
| 33 | |
| 34 #include "DicomDataset.h" | |
| 35 | |
| 36 #include "../../Resources/Orthanc/Core/OrthancException.h" | |
| 37 #include "../../Resources/Orthanc/Core/Logging.h" | |
| 38 #include "../../Resources/Orthanc/Core/Toolbox.h" | |
| 39 | |
| 40 #include <boost/lexical_cast.hpp> | |
| 41 #include <json/value.h> | |
| 42 #include <json/reader.h> | |
| 43 | |
| 44 namespace OrthancStone | |
| 45 { | |
| 46 static uint16_t GetCharValue(char c) | |
| 47 { | |
| 48 if (c >= '0' && c <= '9') | |
| 49 return c - '0'; | |
| 50 else if (c >= 'a' && c <= 'f') | |
| 51 return c - 'a' + 10; | |
| 52 else if (c >= 'A' && c <= 'F') | |
| 53 return c - 'A' + 10; | |
| 54 else | |
| 55 return 0; | |
| 56 } | |
| 57 | |
| 58 | |
| 59 static uint16_t GetHexadecimalValue(const char* c) | |
| 60 { | |
| 61 return ((GetCharValue(c[0]) << 12) + | |
| 62 (GetCharValue(c[1]) << 8) + | |
| 63 (GetCharValue(c[2]) << 4) + | |
| 64 GetCharValue(c[3])); | |
| 65 } | |
| 66 | |
| 67 | |
| 68 static DicomDataset::Tag ParseTag(const std::string& tag) | |
| 69 { | |
| 70 if (tag.size() == 9 && | |
| 71 isxdigit(tag[0]) && | |
| 72 isxdigit(tag[1]) && | |
| 73 isxdigit(tag[2]) && | |
| 74 isxdigit(tag[3]) && | |
| 75 (tag[4] == '-' || tag[4] == ',') && | |
| 76 isxdigit(tag[5]) && | |
| 77 isxdigit(tag[6]) && | |
| 78 isxdigit(tag[7]) && | |
| 79 isxdigit(tag[8])) | |
| 80 { | |
| 81 uint16_t group = GetHexadecimalValue(tag.c_str()); | |
| 82 uint16_t element = GetHexadecimalValue(tag.c_str() + 5); | |
| 83 return std::make_pair(group, element); | |
| 84 } | |
| 85 else if (tag.size() == 8 && | |
| 86 isxdigit(tag[0]) && | |
| 87 isxdigit(tag[1]) && | |
| 88 isxdigit(tag[2]) && | |
| 89 isxdigit(tag[3]) && | |
| 90 isxdigit(tag[4]) && | |
| 91 isxdigit(tag[5]) && | |
| 92 isxdigit(tag[6]) && | |
| 93 isxdigit(tag[7])) | |
| 94 { | |
| 95 uint16_t group = GetHexadecimalValue(tag.c_str()); | |
| 96 uint16_t element = GetHexadecimalValue(tag.c_str() + 4); | |
| 97 return std::make_pair(group, element); | |
| 98 } | |
| 99 else | |
| 100 { | |
| 101 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 void DicomDataset::Parse(const std::string& content) | |
| 106 { | |
| 107 Json::Value json; | |
| 108 Json::Reader reader; | |
| 109 if (!reader.parse(content, json)) | |
| 110 { | |
| 111 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 112 } | |
| 113 | |
| 114 Parse(json); | |
| 115 } | |
| 116 | |
| 117 | |
| 118 void DicomDataset::Parse(const Json::Value& content) | |
| 119 { | |
| 120 if (content.type() != Json::objectValue) | |
| 121 { | |
| 122 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 123 } | |
| 124 | |
| 125 Json::Value::Members members = content.getMemberNames(); | |
| 126 for (size_t i = 0; i < members.size(); i++) | |
| 127 { | |
| 128 Tag tag = ParseTag(members[i]); | |
| 129 | |
| 130 const Json::Value& item = content[members[i]]; | |
| 131 | |
| 132 if (item.type() != Json::objectValue || | |
| 133 !item.isMember("Type") || | |
| 134 !item.isMember("Value") || | |
| 135 !item.isMember("Name") || | |
| 136 item["Type"].type() != Json::stringValue || | |
| 137 item["Name"].type() != Json::stringValue) | |
| 138 { | |
| 139 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 140 } | |
| 141 | |
| 142 if (item["Type"].asString() == "String") | |
| 143 { | |
| 144 if (item["Value"].type() == Json::stringValue) | |
| 145 { | |
| 146 values_[tag] = item["Value"].asString(); | |
| 147 } | |
| 148 else | |
| 149 { | |
| 150 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 151 } | |
| 152 } | |
| 153 } | |
| 154 } | |
| 155 | |
| 156 | |
| 157 DicomDataset::DicomDataset(OrthancPlugins::IOrthancConnection& orthanc, | |
| 158 const std::string& instanceId) | |
| 159 { | |
| 160 std::string content; | |
| 161 orthanc.RestApiGet(content, "/instances/" + instanceId + "/tags"); | |
| 162 | |
| 163 Parse(content); | |
| 164 } | |
| 165 | |
| 166 | |
| 167 std::string DicomDataset::GetStringValue(const Tag& tag) const | |
| 168 { | |
| 169 Values::const_iterator it = values_.find(tag); | |
| 170 | |
| 171 if (it == values_.end()) | |
| 172 { | |
| 173 LOG(ERROR) << "Trying to access a DICOM tag that is not set in a DICOM dataset"; | |
| 174 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentItem); | |
| 175 } | |
| 176 else | |
| 177 { | |
| 178 return it->second; | |
| 179 } | |
| 180 } | |
| 181 | |
| 182 | |
| 183 std::string DicomDataset::GetStringValue(const Tag& tag, | |
| 184 const std::string& defaultValue) const | |
| 185 { | |
| 186 Values::const_iterator it = values_.find(tag); | |
| 187 | |
| 188 if (it == values_.end()) | |
| 189 { | |
| 190 return defaultValue; | |
| 191 } | |
| 192 else | |
| 193 { | |
| 194 return it->second; | |
| 195 } | |
| 196 } | |
| 197 | |
| 198 | |
| 199 float DicomDataset::GetFloatValue(const Tag& tag) const | |
| 200 { | |
| 201 try | |
| 202 { | |
| 203 return boost::lexical_cast<float>(Orthanc::Toolbox::StripSpaces(GetStringValue(tag))); | |
| 204 } | |
| 205 catch (boost::bad_lexical_cast&) | |
| 206 { | |
| 207 LOG(ERROR) << "Trying to access a DICOM tag that is not a float"; | |
| 208 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 209 } | |
| 210 } | |
| 211 | |
| 212 | |
| 213 double DicomDataset::GetDoubleValue(const Tag& tag) const | |
| 214 { | |
| 215 try | |
| 216 { | |
| 217 return boost::lexical_cast<double>(Orthanc::Toolbox::StripSpaces(GetStringValue(tag))); | |
| 218 } | |
| 219 catch (boost::bad_lexical_cast&) | |
| 220 { | |
| 221 LOG(ERROR) << "Trying to access a DICOM tag that is not a float"; | |
| 222 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 223 } | |
| 224 } | |
| 225 | |
| 226 | |
| 227 int DicomDataset::GetIntegerValue(const Tag& tag) const | |
| 228 { | |
| 229 try | |
| 230 { | |
| 231 return boost::lexical_cast<int>(Orthanc::Toolbox::StripSpaces(GetStringValue(tag))); | |
| 232 } | |
| 233 catch (boost::bad_lexical_cast&) | |
| 234 { | |
| 235 LOG(ERROR) << "Trying to access a DICOM tag that is not an integer"; | |
| 236 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 237 } | |
| 238 } | |
| 239 | |
| 240 | |
| 241 unsigned int DicomDataset::GetUnsignedIntegerValue(const Tag& tag) const | |
| 242 { | |
| 243 int v = GetIntegerValue(tag); | |
| 244 | |
| 245 if (v < 0) | |
| 246 { | |
| 247 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 248 } | |
| 249 else | |
| 250 { | |
| 251 return static_cast<unsigned int>(v); | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 | |
| 256 void DicomDataset::GetVectorValue(Vector& vector, | |
| 257 const Tag& tag) const | |
| 258 { | |
| 259 if (!GeometryToolbox::ParseVector(vector, Orthanc::Toolbox::StripSpaces(GetStringValue(tag)))) | |
| 260 { | |
| 261 LOG(ERROR) << "Trying to access a DICOM tag that is not a vector"; | |
| 262 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 263 } | |
| 264 } | |
| 265 | |
| 266 | |
| 267 void DicomDataset::GetVectorValue(Vector& vector, | |
| 268 const Tag& tag, | |
| 269 size_t expectedSize) const | |
| 270 { | |
| 271 GetVectorValue(vector, tag); | |
| 272 | |
| 273 if (vector.size() != expectedSize) | |
| 274 { | |
| 275 LOG(ERROR) << "A vector in a DICOM tag has a bad size"; | |
| 276 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 277 } | |
| 278 } | |
| 279 | |
| 280 | |
| 281 void DicomDataset::Print() const | |
| 282 { | |
| 283 for (Values::const_iterator it = values_.begin(); it != values_.end(); ++it) | |
| 284 { | |
| 285 printf("%04x,%04x = [%s]\n", it->first.first, it->first.second, it->second.c_str()); | |
| 286 } | |
| 287 printf("\n"); | |
| 288 } | |
| 289 | |
| 290 | |
| 291 bool DicomDataset::IsGrayscale() const | |
| 292 { | |
| 293 std::string photometric = Orthanc::Toolbox::StripSpaces(GetStringValue(DICOM_TAG_PHOTOMETRIC_INTERPRETATION)); | |
| 294 | |
| 295 return (photometric == "MONOCHROME1" || | |
| 296 photometric == "MONOCHROME2"); | |
| 297 } | |
| 298 | |
| 299 | |
| 300 void DicomDataset::GetPixelSpacing(double& spacingX, | |
| 301 double& spacingY) const | |
| 302 { | |
| 303 if (HasTag(DICOM_TAG_PIXEL_SPACING)) | |
| 304 { | |
| 305 Vector spacing; | |
| 306 GetVectorValue(spacing, DICOM_TAG_PIXEL_SPACING, 2); | |
| 307 spacingX = spacing[0]; | |
| 308 spacingY = spacing[1]; | |
| 309 } | |
| 310 else | |
| 311 { | |
| 312 spacingX = 1.0; | |
| 313 spacingY = 1.0; | |
| 314 } | |
| 315 } | |
| 316 } |