Mercurial > hg > orthanc-wsi
comparison Framework/DicomToolbox.cpp @ 0:4a7a53257c7d
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 22 Oct 2016 21:48:33 +0200 |
parents | |
children | 7a88c614be04 |
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-1:000000000000 | 0:4a7a53257c7d |
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1 /** | |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU Affero General Public License | |
8 * as published by the Free Software Foundation, either version 3 of | |
9 * the License, or (at your option) any later version. | |
10 * | |
11 * This program is distributed in the hope that it will be useful, but | |
12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 * Affero General Public License for more details. | |
15 * | |
16 * You should have received a copy of the GNU Affero General Public License | |
17 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 **/ | |
19 | |
20 | |
21 #include "DicomToolbox.h" | |
22 | |
23 #include "Orthanc/Core/Logging.h" | |
24 #include "Orthanc/Core/OrthancException.h" | |
25 #include "Orthanc/Core/Toolbox.h" | |
26 | |
27 #if ORTHANC_ENABLE_DCMTK == 1 | |
28 # include <dcmtk/dcmdata/dcelem.h> | |
29 # include <dcmtk/dcmdata/dcsequen.h> | |
30 #endif | |
31 | |
32 #include <boost/lexical_cast.hpp> | |
33 | |
34 namespace OrthancWSI | |
35 { | |
36 namespace DicomToolbox | |
37 { | |
38 #if ORTHANC_ENABLE_DCMTK == 1 | |
39 void SetStringTag(DcmItem& dataset, | |
40 const DcmTagKey& key, | |
41 const std::string& value) | |
42 { | |
43 if (!dataset.tagExists(key) && | |
44 !dataset.putAndInsertString(key, value.c_str()).good()) | |
45 { | |
46 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
47 } | |
48 } | |
49 | |
50 void SetUint16Tag(DcmItem& dataset, | |
51 const DcmTagKey& key, | |
52 uint16_t value) | |
53 { | |
54 if (!dataset.tagExists(key) && | |
55 !dataset.putAndInsertUint16(key, value).good()) | |
56 { | |
57 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
58 } | |
59 } | |
60 | |
61 | |
62 void SetUint32Tag(DcmItem& dataset, | |
63 const DcmTagKey& key, | |
64 uint32_t value) | |
65 { | |
66 if (!dataset.tagExists(key) && | |
67 !dataset.putAndInsertUint32(key, value).good()) | |
68 { | |
69 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
70 } | |
71 } | |
72 | |
73 | |
74 DcmItem* ExtractSingleSequenceItem(DcmItem& dataset, | |
75 const DcmTagKey& key) | |
76 { | |
77 DcmElement* element = NULL; | |
78 if (!const_cast<DcmItem&>(dataset).findAndGetElement(key, element).good() || | |
79 element == NULL) | |
80 { | |
81 return NULL; | |
82 } | |
83 | |
84 if (element->getVR() != EVR_SQ) | |
85 { | |
86 DcmTag tag(key); | |
87 LOG(ERROR) << "The following element in the DICOM dataset is not a sequence as expected: " << tag.getTagName(); | |
88 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
89 } | |
90 | |
91 DcmSequenceOfItems& sequence = dynamic_cast<DcmSequenceOfItems&>(*element); | |
92 if (sequence.card() != 1) | |
93 { | |
94 LOG(ERROR) << "Bad number of elements in the sequence (it must contain exactly 1 element)"; | |
95 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
96 } | |
97 | |
98 return sequence.getItem(0); | |
99 } | |
100 | |
101 | |
102 uint16_t GetUint16Tag(DcmItem& dataset, | |
103 const DcmTagKey& key) | |
104 { | |
105 uint16_t value; | |
106 if (dataset.findAndGetUint16(key, value).good()) | |
107 { | |
108 return value; | |
109 } | |
110 else | |
111 { | |
112 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentTag); | |
113 } | |
114 } | |
115 | |
116 | |
117 uint32_t GetUint32Tag(DcmItem& dataset, | |
118 const DcmTagKey& key) | |
119 { | |
120 Uint32 value; | |
121 if (dataset.findAndGetUint32(key, value).good()) | |
122 { | |
123 return value; | |
124 } | |
125 else | |
126 { | |
127 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentTag); | |
128 } | |
129 } | |
130 | |
131 | |
132 int32_t GetInt32Tag(DcmItem& dataset, | |
133 const DcmTagKey& key) | |
134 { | |
135 Sint32 value; | |
136 if (dataset.findAndGetSint32(key, value).good()) | |
137 { | |
138 return value; | |
139 } | |
140 else | |
141 { | |
142 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentTag); | |
143 } | |
144 } | |
145 | |
146 | |
147 std::string GetStringTag(DcmItem& dataset, | |
148 const DcmTagKey& key) | |
149 { | |
150 const char* value = NULL; | |
151 if (dataset.findAndGetString(key, value).good() && | |
152 value != NULL) | |
153 { | |
154 return Orthanc::Toolbox::StripSpaces(value); | |
155 } | |
156 else | |
157 { | |
158 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentTag); | |
159 } | |
160 } | |
161 #endif | |
162 | |
163 | |
164 bool GetStringTag(std::string& result, | |
165 const Json::Value& simplifiedTags, | |
166 const std::string& tagName, | |
167 const std::string& defaultValue) | |
168 { | |
169 if (simplifiedTags.type() != Json::objectValue) | |
170 { | |
171 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
172 } | |
173 | |
174 if (!simplifiedTags.isMember(tagName)) | |
175 { | |
176 result = defaultValue; | |
177 return false; | |
178 } | |
179 else if (simplifiedTags[tagName].type() != Json::stringValue) | |
180 { | |
181 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
182 } | |
183 else | |
184 { | |
185 result = simplifiedTags[tagName].asString(); | |
186 return true; | |
187 } | |
188 } | |
189 | |
190 | |
191 std::string GetMandatoryStringTag(const Json::Value& simplifiedTags, | |
192 const std::string& tagName) | |
193 { | |
194 std::string s; | |
195 if (GetStringTag(s, simplifiedTags, tagName, "")) | |
196 { | |
197 return s; | |
198 } | |
199 else | |
200 { | |
201 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentTag); | |
202 } | |
203 } | |
204 | |
205 | |
206 const Json::Value& GetSequenceTag(const Json::Value& simplifiedTags, | |
207 const std::string& tagName) | |
208 { | |
209 if (simplifiedTags.type() != Json::objectValue || | |
210 !simplifiedTags.isMember(tagName) || | |
211 simplifiedTags[tagName].type() != Json::arrayValue) | |
212 { | |
213 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
214 } | |
215 | |
216 return simplifiedTags[tagName]; | |
217 } | |
218 | |
219 | |
220 int GetIntegerTag(const Json::Value& simplifiedTags, | |
221 const std::string& tagName) | |
222 { | |
223 try | |
224 { | |
225 std::string s = Orthanc::Toolbox::StripSpaces(GetMandatoryStringTag(simplifiedTags, tagName)); | |
226 return boost::lexical_cast<int>(s); | |
227 } | |
228 catch (boost::bad_lexical_cast&) | |
229 { | |
230 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
231 } | |
232 } | |
233 | |
234 | |
235 unsigned int GetUnsignedIntegerTag(const Json::Value& simplifiedTags, | |
236 const std::string& tagName) | |
237 { | |
238 int value = GetIntegerTag(simplifiedTags, tagName); | |
239 | |
240 if (value >= 0) | |
241 { | |
242 return static_cast<unsigned int>(value); | |
243 } | |
244 else | |
245 { | |
246 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
247 } | |
248 } | |
249 } | |
250 } |