Mercurial > hg > orthanc
annotate Core/DicomFormat/DicomMap.cpp @ 2042:5b93382f88e1
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 22 Jun 2016 15:31:07 +0200 |
parents | f6e68c0c2737 |
children | a3a65de1840f |
rev | line source |
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0 | 1 /** |
59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 3 * Copyright (C) 2012-2016 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 | |
32 | |
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33 #include "../PrecompiledHeaders.h" |
0 | 34 #include "DicomMap.h" |
35 | |
36 #include <stdio.h> | |
37 #include <memory> | |
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38 #include "../Endianness.h" |
59 | 39 #include "../OrthancException.h" |
0 | 40 |
41 | |
59 | 42 namespace Orthanc |
0 | 43 { |
44 static DicomTag patientTags[] = | |
45 { | |
38 | 46 //DicomTag(0x0010, 0x1010), // PatientAge |
47 //DicomTag(0x0010, 0x1040) // PatientAddress | |
77 | 48 DicomTag(0x0010, 0x0010), // PatientName |
49 DicomTag(0x0010, 0x0030), // PatientBirthDate | |
50 DicomTag(0x0010, 0x0040), // PatientSex | |
51 DicomTag(0x0010, 0x1000), // OtherPatientIDs | |
80 | 52 DICOM_TAG_PATIENT_ID |
0 | 53 }; |
54 | |
55 static DicomTag studyTags[] = | |
56 { | |
38 | 57 //DicomTag(0x0010, 0x1020), // PatientSize |
58 //DicomTag(0x0010, 0x1030) // PatientWeight | |
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59 DICOM_TAG_STUDY_DATE, |
77 | 60 DicomTag(0x0008, 0x0030), // StudyTime |
61 DicomTag(0x0020, 0x0010), // StudyID | |
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62 DICOM_TAG_STUDY_DESCRIPTION, |
80 | 63 DICOM_TAG_ACCESSION_NUMBER, |
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64 DICOM_TAG_STUDY_INSTANCE_UID, |
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65 DICOM_TAG_REQUESTED_PROCEDURE_DESCRIPTION, // New in db v6 |
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66 DICOM_TAG_INSTITUTION_NAME, // New in db v6 |
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67 DICOM_TAG_REQUESTING_PHYSICIAN, // New in db v6 |
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68 DICOM_TAG_REFERRING_PHYSICIAN_NAME // New in db v6 |
0 | 69 }; |
70 | |
71 static DicomTag seriesTags[] = | |
72 { | |
38 | 73 //DicomTag(0x0010, 0x1080), // MilitaryRank |
77 | 74 DicomTag(0x0008, 0x0021), // SeriesDate |
75 DicomTag(0x0008, 0x0031), // SeriesTime | |
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76 DICOM_TAG_MODALITY, |
77 | 77 DicomTag(0x0008, 0x0070), // Manufacturer |
78 DicomTag(0x0008, 0x1010), // StationName | |
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79 DICOM_TAG_SERIES_DESCRIPTION, |
77 | 80 DicomTag(0x0018, 0x0015), // BodyPartExamined |
81 DicomTag(0x0018, 0x0024), // SequenceName | |
82 DicomTag(0x0018, 0x1030), // ProtocolName | |
83 DicomTag(0x0020, 0x0011), // SeriesNumber | |
433 | 84 DICOM_TAG_CARDIAC_NUMBER_OF_IMAGES, |
80 | 85 DICOM_TAG_IMAGES_IN_ACQUISITION, |
433 | 86 DICOM_TAG_NUMBER_OF_TEMPORAL_POSITIONS, |
80 | 87 DICOM_TAG_NUMBER_OF_SLICES, |
433 | 88 DICOM_TAG_NUMBER_OF_TIME_SLICES, |
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89 DICOM_TAG_SERIES_INSTANCE_UID, |
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90 DICOM_TAG_IMAGE_ORIENTATION_PATIENT, // New in db v6 |
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91 DICOM_TAG_SERIES_TYPE, // New in db v6 |
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92 DICOM_TAG_OPERATOR_NAME, // New in db v6 |
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93 DICOM_TAG_PERFORMED_PROCEDURE_STEP_DESCRIPTION, // New in db v6 |
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94 DICOM_TAG_ACQUISITION_DEVICE_PROCESSING_DESCRIPTION, // New in db v6 |
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95 DICOM_TAG_CONTRAST_BOLUS_AGENT // New in db v6 |
0 | 96 }; |
97 | |
98 static DicomTag instanceTags[] = | |
99 { | |
77 | 100 DicomTag(0x0008, 0x0012), // InstanceCreationDate |
101 DicomTag(0x0008, 0x0013), // InstanceCreationTime | |
102 DicomTag(0x0020, 0x0012), // AcquisitionNumber | |
80 | 103 DICOM_TAG_IMAGE_INDEX, |
104 DICOM_TAG_INSTANCE_NUMBER, | |
84 | 105 DICOM_TAG_NUMBER_OF_FRAMES, |
433 | 106 DICOM_TAG_TEMPORAL_POSITION_IDENTIFIER, |
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107 DICOM_TAG_SOP_INSTANCE_UID, |
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108 DICOM_TAG_IMAGE_POSITION_PATIENT, // New in db v6 |
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109 DICOM_TAG_IMAGE_COMMENTS // New in db v6 |
0 | 110 }; |
111 | |
112 | |
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113 void DicomMap::LoadMainDicomTags(const DicomTag*& tags, |
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114 size_t& size, |
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115 ResourceType level) |
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116 { |
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117 switch (level) |
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118 { |
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119 case ResourceType_Patient: |
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120 tags = patientTags; |
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121 size = sizeof(patientTags) / sizeof(DicomTag); |
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122 break; |
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123 |
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124 case ResourceType_Study: |
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125 tags = studyTags; |
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126 size = sizeof(studyTags) / sizeof(DicomTag); |
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127 break; |
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128 |
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129 case ResourceType_Series: |
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130 tags = seriesTags; |
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131 size = sizeof(seriesTags) / sizeof(DicomTag); |
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132 break; |
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133 |
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134 case ResourceType_Instance: |
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135 tags = instanceTags; |
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136 size = sizeof(instanceTags) / sizeof(DicomTag); |
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137 break; |
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138 |
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139 default: |
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140 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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141 } |
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142 } |
0 | 143 |
144 | |
145 void DicomMap::SetValue(uint16_t group, | |
146 uint16_t element, | |
147 DicomValue* value) | |
148 { | |
149 DicomTag tag(group, element); | |
150 Map::iterator it = map_.find(tag); | |
151 | |
152 if (it != map_.end()) | |
153 { | |
154 delete it->second; | |
155 it->second = value; | |
156 } | |
157 else | |
158 { | |
159 map_.insert(std::make_pair(tag, value)); | |
160 } | |
161 } | |
162 | |
163 void DicomMap::SetValue(DicomTag tag, | |
164 DicomValue* value) | |
165 { | |
166 SetValue(tag.GetGroup(), tag.GetElement(), value); | |
167 } | |
168 | |
169 | |
170 | |
171 | |
172 void DicomMap::Clear() | |
173 { | |
656 | 174 for (Map::iterator it = map_.begin(); it != map_.end(); ++it) |
0 | 175 { |
176 delete it->second; | |
177 } | |
178 | |
179 map_.clear(); | |
180 } | |
181 | |
182 | |
183 void DicomMap::ExtractTags(DicomMap& result, | |
184 const DicomTag* tags, | |
185 size_t count) const | |
186 { | |
187 result.Clear(); | |
188 | |
189 for (unsigned int i = 0; i < count; i++) | |
190 { | |
191 Map::const_iterator it = map_.find(tags[i]); | |
192 if (it != map_.end()) | |
193 { | |
194 result.SetValue(it->first, it->second->Clone()); | |
195 } | |
196 } | |
197 } | |
198 | |
199 | |
200 void DicomMap::ExtractPatientInformation(DicomMap& result) const | |
201 { | |
202 ExtractTags(result, patientTags, sizeof(patientTags) / sizeof(DicomTag)); | |
203 } | |
204 | |
205 void DicomMap::ExtractStudyInformation(DicomMap& result) const | |
206 { | |
207 ExtractTags(result, studyTags, sizeof(studyTags) / sizeof(DicomTag)); | |
208 } | |
209 | |
210 void DicomMap::ExtractSeriesInformation(DicomMap& result) const | |
211 { | |
212 ExtractTags(result, seriesTags, sizeof(seriesTags) / sizeof(DicomTag)); | |
213 } | |
214 | |
215 void DicomMap::ExtractInstanceInformation(DicomMap& result) const | |
216 { | |
217 ExtractTags(result, instanceTags, sizeof(instanceTags) / sizeof(DicomTag)); | |
218 } | |
219 | |
220 | |
80 | 221 |
0 | 222 DicomMap* DicomMap::Clone() const |
223 { | |
224 std::auto_ptr<DicomMap> result(new DicomMap); | |
225 | |
656 | 226 for (Map::const_iterator it = map_.begin(); it != map_.end(); ++it) |
0 | 227 { |
228 result->map_.insert(std::make_pair(it->first, it->second->Clone())); | |
229 } | |
230 | |
231 return result.release(); | |
232 } | |
233 | |
234 | |
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235 void DicomMap::Assign(const DicomMap& other) |
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236 { |
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237 Clear(); |
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238 |
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239 for (Map::const_iterator it = other.map_.begin(); it != other.map_.end(); ++it) |
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240 { |
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241 map_.insert(std::make_pair(it->first, it->second->Clone())); |
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242 } |
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243 } |
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244 |
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245 |
0 | 246 const DicomValue& DicomMap::GetValue(const DicomTag& tag) const |
247 { | |
80 | 248 const DicomValue* value = TestAndGetValue(tag); |
249 | |
250 if (value) | |
251 { | |
252 return *value; | |
253 } | |
254 else | |
255 { | |
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256 throw OrthancException(ErrorCode_InexistentTag); |
80 | 257 } |
258 } | |
259 | |
260 | |
261 const DicomValue* DicomMap::TestAndGetValue(const DicomTag& tag) const | |
262 { | |
0 | 263 Map::const_iterator it = map_.find(tag); |
264 | |
265 if (it == map_.end()) | |
266 { | |
80 | 267 return NULL; |
0 | 268 } |
269 else | |
270 { | |
80 | 271 return it->second; |
0 | 272 } |
273 } | |
274 | |
275 | |
276 void DicomMap::Remove(const DicomTag& tag) | |
277 { | |
278 Map::iterator it = map_.find(tag); | |
279 if (it != map_.end()) | |
280 { | |
281 delete it->second; | |
282 map_.erase(it); | |
283 } | |
284 } | |
285 | |
286 | |
287 static void SetupFindTemplate(DicomMap& result, | |
288 const DicomTag* tags, | |
289 size_t count) | |
290 { | |
291 result.Clear(); | |
292 | |
293 for (size_t i = 0; i < count; i++) | |
294 { | |
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295 result.SetValue(tags[i], "", false); |
0 | 296 } |
297 } | |
298 | |
299 void DicomMap::SetupFindPatientTemplate(DicomMap& result) | |
300 { | |
301 SetupFindTemplate(result, patientTags, sizeof(patientTags) / sizeof(DicomTag)); | |
302 } | |
303 | |
304 void DicomMap::SetupFindStudyTemplate(DicomMap& result) | |
305 { | |
306 SetupFindTemplate(result, studyTags, sizeof(studyTags) / sizeof(DicomTag)); | |
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307 result.SetValue(DICOM_TAG_ACCESSION_NUMBER, "", false); |
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308 result.SetValue(DICOM_TAG_PATIENT_ID, "", false); |
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309 |
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310 // These main DICOM tags are only indirectly related to the |
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311 // General Study Module, remove them |
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312 result.Remove(DICOM_TAG_INSTITUTION_NAME); |
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313 result.Remove(DICOM_TAG_REQUESTING_PHYSICIAN); |
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314 result.Remove(DICOM_TAG_REQUESTED_PROCEDURE_DESCRIPTION); |
0 | 315 } |
316 | |
317 void DicomMap::SetupFindSeriesTemplate(DicomMap& result) | |
318 { | |
319 SetupFindTemplate(result, seriesTags, sizeof(seriesTags) / sizeof(DicomTag)); | |
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320 result.SetValue(DICOM_TAG_ACCESSION_NUMBER, "", false); |
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321 result.SetValue(DICOM_TAG_PATIENT_ID, "", false); |
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322 result.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, "", false); |
1372 | 323 |
324 // These tags are considered as "main" by Orthanc, but are not in the Series module | |
325 result.Remove(DicomTag(0x0008, 0x0070)); // Manufacturer | |
326 result.Remove(DicomTag(0x0008, 0x1010)); // Station name | |
327 result.Remove(DicomTag(0x0018, 0x0024)); // Sequence name | |
328 result.Remove(DICOM_TAG_CARDIAC_NUMBER_OF_IMAGES); | |
329 result.Remove(DICOM_TAG_IMAGES_IN_ACQUISITION); | |
330 result.Remove(DICOM_TAG_NUMBER_OF_SLICES); | |
331 result.Remove(DICOM_TAG_NUMBER_OF_TEMPORAL_POSITIONS); | |
332 result.Remove(DICOM_TAG_NUMBER_OF_TIME_SLICES); | |
1706 | 333 result.Remove(DICOM_TAG_IMAGE_ORIENTATION_PATIENT); |
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334 result.Remove(DICOM_TAG_SERIES_TYPE); |
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335 result.Remove(DICOM_TAG_ACQUISITION_DEVICE_PROCESSING_DESCRIPTION); |
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336 result.Remove(DICOM_TAG_CONTRAST_BOLUS_AGENT); |
0 | 337 } |
338 | |
339 void DicomMap::SetupFindInstanceTemplate(DicomMap& result) | |
340 { | |
341 SetupFindTemplate(result, instanceTags, sizeof(instanceTags) / sizeof(DicomTag)); | |
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342 result.SetValue(DICOM_TAG_ACCESSION_NUMBER, "", false); |
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343 result.SetValue(DICOM_TAG_PATIENT_ID, "", false); |
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344 result.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, "", false); |
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345 result.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, "", false); |
0 | 346 } |
347 | |
348 | |
349 void DicomMap::CopyTagIfExists(const DicomMap& source, | |
350 const DicomTag& tag) | |
351 { | |
352 if (source.HasTag(tag)) | |
353 { | |
354 SetValue(tag, source.GetValue(tag)); | |
355 } | |
356 } | |
562
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357 |
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358 |
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359 bool DicomMap::IsMainDicomTag(const DicomTag& tag, ResourceType level) |
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360 { |
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361 DicomTag *tags = NULL; |
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362 size_t size; |
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363 |
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364 switch (level) |
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365 { |
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366 case ResourceType_Patient: |
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367 tags = patientTags; |
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368 size = sizeof(patientTags) / sizeof(DicomTag); |
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369 break; |
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370 |
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371 case ResourceType_Study: |
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372 tags = studyTags; |
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373 size = sizeof(studyTags) / sizeof(DicomTag); |
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374 break; |
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375 |
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376 case ResourceType_Series: |
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377 tags = seriesTags; |
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378 size = sizeof(seriesTags) / sizeof(DicomTag); |
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379 break; |
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380 |
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381 case ResourceType_Instance: |
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382 tags = instanceTags; |
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383 size = sizeof(instanceTags) / sizeof(DicomTag); |
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384 break; |
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385 |
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386 default: |
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387 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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388 } |
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389 |
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390 for (size_t i = 0; i < size; i++) |
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391 { |
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392 if (tags[i] == tag) |
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393 { |
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394 return true; |
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395 } |
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396 } |
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397 |
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398 return false; |
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399 } |
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400 |
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401 bool DicomMap::IsMainDicomTag(const DicomTag& tag) |
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402 { |
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403 return (IsMainDicomTag(tag, ResourceType_Patient) || |
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404 IsMainDicomTag(tag, ResourceType_Study) || |
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405 IsMainDicomTag(tag, ResourceType_Series) || |
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406 IsMainDicomTag(tag, ResourceType_Instance)); |
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407 } |
567 | 408 |
409 | |
410 void DicomMap::GetMainDicomTagsInternal(std::set<DicomTag>& result, ResourceType level) | |
411 { | |
412 DicomTag *tags = NULL; | |
413 size_t size; | |
414 | |
415 switch (level) | |
416 { | |
417 case ResourceType_Patient: | |
418 tags = patientTags; | |
419 size = sizeof(patientTags) / sizeof(DicomTag); | |
420 break; | |
421 | |
422 case ResourceType_Study: | |
423 tags = studyTags; | |
424 size = sizeof(studyTags) / sizeof(DicomTag); | |
425 break; | |
426 | |
427 case ResourceType_Series: | |
428 tags = seriesTags; | |
429 size = sizeof(seriesTags) / sizeof(DicomTag); | |
430 break; | |
431 | |
432 case ResourceType_Instance: | |
433 tags = instanceTags; | |
434 size = sizeof(instanceTags) / sizeof(DicomTag); | |
435 break; | |
436 | |
437 default: | |
438 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
439 } | |
440 | |
441 for (size_t i = 0; i < size; i++) | |
442 { | |
443 result.insert(tags[i]); | |
444 } | |
445 } | |
446 | |
447 | |
448 void DicomMap::GetMainDicomTags(std::set<DicomTag>& result, ResourceType level) | |
449 { | |
450 result.clear(); | |
451 GetMainDicomTagsInternal(result, level); | |
452 } | |
453 | |
454 | |
455 void DicomMap::GetMainDicomTags(std::set<DicomTag>& result) | |
456 { | |
457 result.clear(); | |
458 GetMainDicomTagsInternal(result, ResourceType_Patient); | |
459 GetMainDicomTagsInternal(result, ResourceType_Study); | |
460 GetMainDicomTagsInternal(result, ResourceType_Series); | |
461 GetMainDicomTagsInternal(result, ResourceType_Instance); | |
462 } | |
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463 |
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464 |
1360 | 465 void DicomMap::GetTags(std::set<DicomTag>& tags) const |
466 { | |
467 tags.clear(); | |
468 | |
469 for (Map::const_iterator it = map_.begin(); | |
470 it != map_.end(); ++it) | |
471 { | |
472 tags.insert(it->first); | |
473 } | |
474 } | |
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475 |
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476 |
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477 static uint16_t ReadUnsignedInteger16(const char* dicom) |
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478 { |
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479 return le16toh(*reinterpret_cast<const uint16_t*>(dicom)); |
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480 } |
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481 |
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482 |
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483 static uint32_t ReadUnsignedInteger32(const char* dicom) |
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484 { |
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485 return le32toh(*reinterpret_cast<const uint32_t*>(dicom)); |
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486 } |
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487 |
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488 |
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489 static bool ValidateTag(const ValueRepresentation& vr, |
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490 const std::string& value) |
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491 { |
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492 switch (vr) |
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493 { |
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494 case ValueRepresentation_ApplicationEntity: |
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495 return value.size() <= 16; |
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496 |
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497 case ValueRepresentation_AgeString: |
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498 return (value.size() == 4 && |
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499 isdigit(value[0]) && |
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500 isdigit(value[1]) && |
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501 isdigit(value[2]) && |
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502 (value[3] == 'D' || value[3] == 'W' || value[3] == 'M' || value[3] == 'Y')); |
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503 |
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504 case ValueRepresentation_AttributeTag: |
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1900
diff
changeset
|
505 return value.size() == 4; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
506 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
507 case ValueRepresentation_CodeString: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
508 return value.size() <= 16; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
509 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
510 case ValueRepresentation_Date: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
511 return value.size() <= 18; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
512 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
513 case ValueRepresentation_DecimalString: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
514 return value.size() <= 16; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
515 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
516 case ValueRepresentation_DateTime: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
517 return value.size() <= 54; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
518 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
519 case ValueRepresentation_FloatingPointSingle: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
520 return value.size() == 4; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
521 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
522 case ValueRepresentation_FloatingPointDouble: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
523 return value.size() == 8; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
524 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
525 case ValueRepresentation_IntegerString: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
526 return value.size() <= 12; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
527 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
528 case ValueRepresentation_LongString: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
529 return value.size() <= 64; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
530 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
531 case ValueRepresentation_LongText: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
532 return value.size() <= 10240; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
533 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
534 case ValueRepresentation_OtherByte: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
535 return true; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
536 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
537 case ValueRepresentation_OtherDouble: |
2013 | 538 return value.size() <= (static_cast<uint64_t>(1) << 32) - 8; |
2007
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
539 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
540 case ValueRepresentation_OtherFloat: |
2013 | 541 return value.size() <= (static_cast<uint64_t>(1) << 32) - 4; |
2007
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
542 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
543 case ValueRepresentation_OtherLong: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
544 return true; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
545 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
546 case ValueRepresentation_OtherWord: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
547 return true; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
548 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
549 case ValueRepresentation_PersonName: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
550 return true; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
551 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
552 case ValueRepresentation_ShortString: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
553 return value.size() <= 16; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
554 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
555 case ValueRepresentation_SignedLong: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
556 return value.size() == 4; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
557 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
558 case ValueRepresentation_Sequence: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
559 return true; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
560 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
561 case ValueRepresentation_SignedShort: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
562 return value.size() == 2; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
563 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
564 case ValueRepresentation_ShortText: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
565 return value.size() <= 1024; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
566 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
567 case ValueRepresentation_Time: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
568 return value.size() <= 28; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
569 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
570 case ValueRepresentation_UnlimitedCharacters: |
2013 | 571 return value.size() <= (static_cast<uint64_t>(1) << 32) - 2; |
2007
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
572 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
573 case ValueRepresentation_UniqueIdentifier: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
574 return value.size() <= 64; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
575 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
576 case ValueRepresentation_UnsignedLong: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
577 return value.size() == 4; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
578 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
579 case ValueRepresentation_Unknown: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
580 return true; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
581 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
582 case ValueRepresentation_UniversalResource: |
2013 | 583 return value.size() <= (static_cast<uint64_t>(1) << 32) - 2; |
2007
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
584 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
585 case ValueRepresentation_UnsignedShort: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
586 return value.size() == 2; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
587 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
588 case ValueRepresentation_UnlimitedText: |
2013 | 589 return value.size() <= (static_cast<uint64_t>(1) << 32) - 2; |
2007
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
590 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
591 default: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
592 // Assume unsupported tags are OK |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
593 return true; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
594 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
595 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
596 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
597 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
598 static void RemoveTagPadding(std::string& value, |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
599 const ValueRepresentation& vr) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
600 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
601 /** |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
602 * Remove padding from character strings, if need be. For the time |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
603 * being, only the UI VR is supported. |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
604 * http://dicom.nema.org/medical/dicom/current/output/chtml/part05/sect_6.2.html |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
605 **/ |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
606 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
607 switch (vr) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
608 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
609 case ValueRepresentation_UniqueIdentifier: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
610 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
611 /** |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
612 * "Values with a VR of UI shall be padded with a single |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
613 * trailing NULL (00H) character when necessary to achieve even |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
614 * length." |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
615 **/ |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
616 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
617 if (!value.empty() && |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
618 value[value.size() - 1] == '\0') |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
619 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
620 value.resize(value.size() - 1); |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
621 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
622 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
623 break; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
624 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
625 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
626 /** |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
627 * TODO implement other VR |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
628 **/ |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
629 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
630 default: |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
631 // No padding is applicable to this VR |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
632 break; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
633 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
634 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
635 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
636 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
637 static bool ReadNextTag(DicomTag& tag, |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
638 ValueRepresentation& vr, |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
639 std::string& value, |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
640 const char* dicom, |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
641 size_t size, |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
642 size_t& position) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
643 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
644 /** |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
645 * http://dicom.nema.org/medical/dicom/current/output/chtml/part05/chapter_7.html#sect_7.1.2 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
646 * This function reads a data element with Explicit VR encoded using Little-Endian. |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
647 **/ |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
648 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
649 if (position + 6 > size) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
650 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
651 return false; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
652 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
653 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
654 tag = DicomTag(ReadUnsignedInteger16(dicom + position), |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
655 ReadUnsignedInteger16(dicom + position + 2)); |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
656 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
657 vr = StringToValueRepresentation(std::string(dicom + position + 4, 2), true); |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
658 if (vr == ValueRepresentation_NotSupported) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
659 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
660 return false; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
661 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
662 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
663 if (vr == ValueRepresentation_OtherByte || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
664 vr == ValueRepresentation_OtherDouble || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
665 vr == ValueRepresentation_OtherFloat || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
666 vr == ValueRepresentation_OtherLong || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
667 vr == ValueRepresentation_OtherWord || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
668 vr == ValueRepresentation_Sequence || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
669 vr == ValueRepresentation_UnlimitedCharacters || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
670 vr == ValueRepresentation_UniversalResource || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
671 vr == ValueRepresentation_UnlimitedText || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
672 vr == ValueRepresentation_Unknown) // Note that "UN" should never appear in the Meta Information |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
673 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
674 if (position + 12 > size) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
675 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
676 return false; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
677 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
678 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
679 uint32_t length = ReadUnsignedInteger32(dicom + position + 8); |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
680 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
681 if (position + 12 + length > size) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
682 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
683 return false; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
684 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
685 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
686 value.assign(dicom + position + 12, length); |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
687 position += (12 + length); |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
688 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
689 else |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
690 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
691 if (position + 8 > size) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
692 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
693 return false; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
694 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
695 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
696 uint16_t length = ReadUnsignedInteger16(dicom + position + 6); |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
697 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
698 if (position + 8 + length > size) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
699 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
700 return false; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
701 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
702 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
703 value.assign(dicom + position + 8, length); |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
704 position += (8 + length); |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
705 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
706 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
707 if (!ValidateTag(vr, value)) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
708 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
709 return false; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
710 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
711 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
712 RemoveTagPadding(value, vr); |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
713 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
714 return true; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
715 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
716 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
717 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
718 bool DicomMap::ParseDicomMetaInformation(DicomMap& result, |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
719 const char* dicom, |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
720 size_t size) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
721 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
722 /** |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
723 * http://dicom.nema.org/medical/dicom/current/output/chtml/part10/chapter_7.html |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
724 * According to Table 7.1-1, besides the "DICM" DICOM prefix, the |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
725 * file preamble (i.e. dicom[0..127]) should not be taken into |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
726 * account to determine whether the file is or is not a DICOM file. |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
727 **/ |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
728 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
729 if (size < 132 || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
730 dicom[128] != 'D' || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
731 dicom[129] != 'I' || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
732 dicom[130] != 'C' || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
733 dicom[131] != 'M') |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
734 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
735 return false; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
736 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
737 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
738 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
739 /** |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
740 * The DICOM File Meta Information must be encoded using the |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
741 * Explicit VR Little Endian Transfer Syntax |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
742 * (UID=1.2.840.10008.1.2.1). |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
743 **/ |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
744 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
745 result.Clear(); |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
746 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
747 // First, we read the "File Meta Information Group Length" tag |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
748 // (0002,0000) to know where to stop reading the meta header |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
749 size_t position = 132; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
750 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
751 DicomTag tag(0x0000, 0x0000); // Dummy initialization |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
752 ValueRepresentation vr; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
753 std::string value; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
754 if (!ReadNextTag(tag, vr, value, dicom, size, position) || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
755 tag.GetGroup() != 0x0002 || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
756 tag.GetElement() != 0x0000 || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
757 vr != ValueRepresentation_UnsignedLong || |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
758 value.size() != 4) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
759 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
760 return false; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
761 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
762 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
763 size_t stopPosition = position + ReadUnsignedInteger32(value.c_str()); |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
764 if (stopPosition > size) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
765 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
766 return false; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
767 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
768 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
769 while (position < stopPosition) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
770 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
771 if (ReadNextTag(tag, vr, value, dicom, size, position)) |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
772 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
773 result.SetValue(tag, value, IsBinaryValueRepresentation(vr)); |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
774 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
775 else |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
776 { |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
777 return false; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
778 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
779 } |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
780 |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
781 return true; |
655489d9165d
DicomMap::ParseDicomMetaInformation()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
782 } |
0 | 783 } |