Mercurial > hg > orthanc
comparison OrthancCppClient/Instance.cpp @ 479:0cd977e94479
initial commit of the c++ client
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 16 Jul 2013 09:08:09 +0200 |
parents | |
children | 7f7a2d174acb |
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478:888f8a778e70 | 479:0cd977e94479 |
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1 /** | |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2013 Medical Physics Department, CHU of Liege, | |
4 * Belgium | |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
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 "Instance.h" | |
34 | |
35 #include "OrthancConnection.h" | |
36 #include "../Core/OrthancException.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 Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
67 } | |
68 | |
69 Orthanc::HttpClient client(connection_.GetHttpClient()); | |
70 client.SetUrl(connection_.GetOrthancUrl() + "/instances/" + id_ + "/" + suffix); | |
71 std::string png; | |
72 | |
73 if (!client.Apply(png)) | |
74 { | |
75 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
76 } | |
77 | |
78 reader_.reset(new Orthanc::PngReader); | |
79 reader_->ReadFromMemory(png); | |
80 } | |
81 } | |
82 | |
83 Instance::Instance(const OrthancConnection& connection, | |
84 const std::string& id) : | |
85 connection_(connection), | |
86 id_(id), | |
87 mode_(Orthanc::ImageExtractionMode_Int16) | |
88 { | |
89 Orthanc::HttpClient client(connection_.GetHttpClient()); | |
90 | |
91 client.SetUrl(connection_.GetOrthancUrl() + "/instances/" + id_ + "/simplified-tags"); | |
92 Json::Value v; | |
93 if (!client.Apply(tags_)) | |
94 { | |
95 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
96 } | |
97 } | |
98 | |
99 std::string Instance::GetTagAsString(const char* tag) | |
100 { | |
101 if (tags_.isMember(tag)) | |
102 { | |
103 return tags_[tag].asString(); | |
104 } | |
105 else | |
106 { | |
107 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentItem); | |
108 } | |
109 } | |
110 | |
111 float Instance::GetTagAsFloat(const char* tag) | |
112 { | |
113 std::string value = GetTagAsString(tag); | |
114 | |
115 try | |
116 { | |
117 return boost::lexical_cast<float>(value); | |
118 } | |
119 catch (boost::bad_lexical_cast) | |
120 { | |
121 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
122 } | |
123 } | |
124 | |
125 int Instance::GetTagAsInt(const char* tag) | |
126 { | |
127 std::string value = GetTagAsString(tag); | |
128 | |
129 try | |
130 { | |
131 return boost::lexical_cast<int>(value); | |
132 } | |
133 catch (boost::bad_lexical_cast) | |
134 { | |
135 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
136 } | |
137 } | |
138 | |
139 unsigned int Instance::GetWidth() | |
140 { | |
141 DownloadImage(); | |
142 return reader_->GetWidth(); | |
143 } | |
144 | |
145 unsigned int Instance::GetHeight() | |
146 { | |
147 DownloadImage(); | |
148 return reader_->GetHeight(); | |
149 } | |
150 | |
151 unsigned int Instance::GetPitch() | |
152 { | |
153 DownloadImage(); | |
154 return reader_->GetPitch(); | |
155 } | |
156 | |
157 Orthanc::PixelFormat Instance::GetPixelFormat() | |
158 { | |
159 DownloadImage(); | |
160 return reader_->GetFormat(); | |
161 } | |
162 | |
163 const void* Instance::GetBuffer() | |
164 { | |
165 DownloadImage(); | |
166 return reader_->GetBuffer(); | |
167 } | |
168 | |
169 const void* Instance::GetBuffer(unsigned int y) | |
170 { | |
171 DownloadImage(); | |
172 return reader_->GetBuffer(y); | |
173 } | |
174 | |
175 void Instance::DiscardImage() | |
176 { | |
177 reader_.reset(); | |
178 } | |
179 | |
180 | |
181 void Instance::SetImageExtractionMode(Orthanc::ImageExtractionMode mode) | |
182 { | |
183 if (mode_ == mode) | |
184 { | |
185 return; | |
186 } | |
187 | |
188 DiscardImage(); | |
189 mode_ = mode; | |
190 } | |
191 | |
192 | |
193 void Instance::SplitVectorOfFloats(std::vector<float>& target, | |
194 const char* tag) | |
195 { | |
196 const std::string value = GetTagAsString(tag); | |
197 | |
198 target.clear(); | |
199 | |
200 try | |
201 { | |
202 std::string tmp; | |
203 for (size_t i = 0; i < value.size(); i++) | |
204 { | |
205 if (value[i] == '\\') | |
206 { | |
207 target.push_back(boost::lexical_cast<float>(tmp)); | |
208 tmp.clear(); | |
209 } | |
210 else | |
211 { | |
212 tmp.push_back(value[i]); | |
213 } | |
214 } | |
215 | |
216 target.push_back(boost::lexical_cast<float>(tmp)); | |
217 } | |
218 catch (boost::bad_lexical_cast) | |
219 { | |
220 // Unable to parse the Image Orientation Patient. | |
221 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
222 } | |
223 } | |
224 } |