Mercurial > hg > orthanc-client
comparison OrthancCppClient/Instance.cpp @ 0:ebc1e38ef615
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 01 Jun 2015 09:47:32 +0200 |
parents | |
children | d5027f9f676a |
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1 /** | |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2015 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 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. | |
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. | |
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 | |
33 #include "../Core/PrecompiledHeaders.h" | |
34 #include "Instance.h" | |
35 | |
36 #include "OrthancConnection.h" | |
37 | |
38 #include <boost/lexical_cast.hpp> | |
39 | |
40 namespace OrthancClient | |
41 { | |
42 void Instance::DownloadImage() | |
43 { | |
44 if (reader_.get() == NULL) | |
45 { | |
46 const char* suffix; | |
47 switch (mode_) | |
48 { | |
49 case Orthanc::ImageExtractionMode_Preview: | |
50 suffix = "preview"; | |
51 break; | |
52 | |
53 case Orthanc::ImageExtractionMode_UInt8: | |
54 suffix = "image-uint8"; | |
55 break; | |
56 | |
57 case Orthanc::ImageExtractionMode_UInt16: | |
58 suffix = "image-uint16"; | |
59 break; | |
60 | |
61 case Orthanc::ImageExtractionMode_Int16: | |
62 suffix = "image-int16"; | |
63 break; | |
64 | |
65 default: | |
66 throw OrthancClientException(Orthanc::ErrorCode_NotImplemented); | |
67 } | |
68 | |
69 Orthanc::HttpClient client(connection_.GetHttpClient()); | |
70 client.SetUrl(std::string(connection_.GetOrthancUrl()) + "/instances/" + id_ + "/" + suffix); | |
71 std::string png; | |
72 | |
73 if (!client.Apply(png)) | |
74 { | |
75 throw OrthancClientException(Orthanc::ErrorCode_NotImplemented); | |
76 } | |
77 | |
78 reader_.reset(new Orthanc::PngReader); | |
79 reader_->ReadFromMemory(png); | |
80 } | |
81 } | |
82 | |
83 void Instance::DownloadDicom() | |
84 { | |
85 if (dicom_.get() == NULL) | |
86 { | |
87 Orthanc::HttpClient client(connection_.GetHttpClient()); | |
88 client.SetUrl(std::string(connection_.GetOrthancUrl()) + "/instances/" + id_ + "/file"); | |
89 | |
90 dicom_.reset(new std::string); | |
91 | |
92 if (!client.Apply(*dicom_)) | |
93 { | |
94 throw OrthancClientException(Orthanc::ErrorCode_NetworkProtocol); | |
95 } | |
96 } | |
97 } | |
98 | |
99 Instance::Instance(const OrthancConnection& connection, | |
100 const char* id) : | |
101 connection_(connection), | |
102 id_(id), | |
103 mode_(Orthanc::ImageExtractionMode_Int16) | |
104 { | |
105 Orthanc::HttpClient client(connection_.GetHttpClient()); | |
106 | |
107 client.SetUrl(std::string(connection_.GetOrthancUrl()) + "/instances/" + id_ + "/simplified-tags"); | |
108 Json::Value v; | |
109 if (!client.Apply(tags_)) | |
110 { | |
111 throw OrthancClientException(Orthanc::ErrorCode_NetworkProtocol); | |
112 } | |
113 } | |
114 | |
115 const char* Instance::GetTagAsString(const char* tag) const | |
116 { | |
117 if (tags_.isMember(tag)) | |
118 { | |
119 return tags_[tag].asCString(); | |
120 } | |
121 else | |
122 { | |
123 throw OrthancClientException(Orthanc::ErrorCode_InexistentItem); | |
124 } | |
125 } | |
126 | |
127 float Instance::GetTagAsFloat(const char* tag) const | |
128 { | |
129 std::string value = GetTagAsString(tag); | |
130 | |
131 try | |
132 { | |
133 return boost::lexical_cast<float>(value); | |
134 } | |
135 catch (boost::bad_lexical_cast) | |
136 { | |
137 throw OrthancClientException(Orthanc::ErrorCode_BadFileFormat); | |
138 } | |
139 } | |
140 | |
141 int Instance::GetTagAsInt(const char* tag) const | |
142 { | |
143 std::string value = GetTagAsString(tag); | |
144 | |
145 try | |
146 { | |
147 return boost::lexical_cast<int>(value); | |
148 } | |
149 catch (boost::bad_lexical_cast) | |
150 { | |
151 throw OrthancClientException(Orthanc::ErrorCode_BadFileFormat); | |
152 } | |
153 } | |
154 | |
155 unsigned int Instance::GetWidth() | |
156 { | |
157 DownloadImage(); | |
158 return reader_->GetWidth(); | |
159 } | |
160 | |
161 unsigned int Instance::GetHeight() | |
162 { | |
163 DownloadImage(); | |
164 return reader_->GetHeight(); | |
165 } | |
166 | |
167 unsigned int Instance::GetPitch() | |
168 { | |
169 DownloadImage(); | |
170 return reader_->GetPitch(); | |
171 } | |
172 | |
173 Orthanc::PixelFormat Instance::GetPixelFormat() | |
174 { | |
175 DownloadImage(); | |
176 return reader_->GetFormat(); | |
177 } | |
178 | |
179 const void* Instance::GetBuffer() | |
180 { | |
181 DownloadImage(); | |
182 return reader_->GetConstBuffer(); | |
183 } | |
184 | |
185 const void* Instance::GetBuffer(unsigned int y) | |
186 { | |
187 DownloadImage(); | |
188 return reader_->GetConstRow(y); | |
189 } | |
190 | |
191 void Instance::DiscardImage() | |
192 { | |
193 reader_.reset(); | |
194 } | |
195 | |
196 void Instance::DiscardDicom() | |
197 { | |
198 dicom_.reset(); | |
199 } | |
200 | |
201 | |
202 void Instance::SetImageExtractionMode(Orthanc::ImageExtractionMode mode) | |
203 { | |
204 if (mode_ == mode) | |
205 { | |
206 return; | |
207 } | |
208 | |
209 DiscardImage(); | |
210 mode_ = mode; | |
211 } | |
212 | |
213 | |
214 void Instance::SplitVectorOfFloats(std::vector<float>& target, | |
215 const char* tag) | |
216 { | |
217 const std::string value = GetTagAsString(tag); | |
218 | |
219 target.clear(); | |
220 | |
221 try | |
222 { | |
223 std::string tmp; | |
224 for (size_t i = 0; i < value.size(); i++) | |
225 { | |
226 if (value[i] == '\\') | |
227 { | |
228 target.push_back(boost::lexical_cast<float>(tmp)); | |
229 tmp.clear(); | |
230 } | |
231 else | |
232 { | |
233 tmp.push_back(value[i]); | |
234 } | |
235 } | |
236 | |
237 target.push_back(boost::lexical_cast<float>(tmp)); | |
238 } | |
239 catch (boost::bad_lexical_cast) | |
240 { | |
241 // Unable to parse the Image Orientation Patient. | |
242 throw OrthancClientException(Orthanc::ErrorCode_BadFileFormat); | |
243 } | |
244 } | |
245 | |
246 | |
247 const uint64_t Instance::GetDicomSize() | |
248 { | |
249 DownloadDicom(); | |
250 assert(dicom_.get() != NULL); | |
251 return dicom_->size(); | |
252 } | |
253 | |
254 const void* Instance::GetDicom() | |
255 { | |
256 DownloadDicom(); | |
257 assert(dicom_.get() != NULL); | |
258 | |
259 if (dicom_->size() == 0) | |
260 { | |
261 return NULL; | |
262 } | |
263 else | |
264 { | |
265 return &((*dicom_) [0]); | |
266 } | |
267 } | |
268 | |
269 | |
270 void Instance::LoadTagContent(const char* path) | |
271 { | |
272 Orthanc::HttpClient client(connection_.GetHttpClient()); | |
273 client.SetUrl(std::string(connection_.GetOrthancUrl()) + "/instances/" + id_ + "/content/" + path); | |
274 | |
275 if (!client.Apply(content_)) | |
276 { | |
277 throw OrthancClientException(Orthanc::ErrorCode_UnknownResource); | |
278 } | |
279 } | |
280 | |
281 | |
282 const char* Instance::GetLoadedTagContent() const | |
283 { | |
284 return content_.c_str(); | |
285 } | |
286 } |