Mercurial > hg > orthanc-stone
annotate Framework/Toolbox/OrthancSlicesLoader.cpp @ 266:c9cf95b49a86 am-2
removed OrthancSlicesLoader::ISliceLoaderObserver; now using standard messages instead
author | am@osimis.io |
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date | Tue, 21 Aug 2018 18:14:22 +0200 |
parents | 9afafb192180 |
children | 89d02de83c03 |
rev | line source |
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73 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
135
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
73 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
252 | 16 * |
73 | 17 * You should have received a copy of the GNU Affero General Public License |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #include "OrthancSlicesLoader.h" | |
23 | |
24 #include "MessagingToolbox.h" | |
25 | |
212
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26 #include <Core/Compression/GzipCompressor.h> |
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27 #include <Core/Endianness.h> |
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28 #include <Core/Images/Image.h> |
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29 #include <Core/Images/ImageProcessing.h> |
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30 #include <Core/Images/JpegReader.h> |
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31 #include <Core/Images/PngReader.h> |
257 | 32 #include <Core/Images/PamReader.h> |
212
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33 #include <Core/Logging.h> |
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34 #include <Core/OrthancException.h> |
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35 #include <Core/Toolbox.h> |
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36 #include <Plugins/Samples/Common/FullOrthancDataset.h> |
73 | 37 |
38 #include <boost/lexical_cast.hpp> | |
39 | |
100
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40 |
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41 |
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42 /** |
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43 * TODO This is a SLOW implementation of base64 decoding, because |
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44 * "Orthanc::Toolbox::DecodeBase64()" does not work properly with |
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45 * WASM. UNDERSTAND WHY. |
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46 * https://stackoverflow.com/a/34571089/881731 |
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47 **/ |
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48 static std::string base64_decode(const std::string &in) |
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49 { |
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50 std::string out; |
252 | 51 |
100
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52 std::vector<int> T(256,-1); |
252 | 53 for (int i=0; i<64; i++) T["ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[i]] = i; |
54 | |
100
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55 int val=0, valb=-8; |
128 | 56 for (size_t i = 0; i < in.size(); i++) { |
57 unsigned char c = in[i]; | |
100
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58 if (T[c] == -1) break; |
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59 val = (val<<6) + T[c]; |
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60 valb += 6; |
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61 if (valb>=0) { |
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62 out.push_back(char((val>>valb)&0xFF)); |
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63 valb-=8; |
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64 } |
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65 } |
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66 return out; |
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67 } |
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68 |
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69 |
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70 |
73 | 71 namespace OrthancStone |
72 { | |
73 class OrthancSlicesLoader::Operation : public Orthanc::IDynamicObject | |
74 { | |
75 private: | |
93
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76 Mode mode_; |
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77 unsigned int frame_; |
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78 unsigned int sliceIndex_; |
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79 const Slice* slice_; |
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80 std::string instanceId_; |
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81 SliceImageQuality quality_; |
252 | 82 |
73 | 83 Operation(Mode mode) : |
84 mode_(mode) | |
85 { | |
86 } | |
252 | 87 |
73 | 88 public: |
89 Mode GetMode() const | |
90 { | |
91 return mode_; | |
92 } | |
252 | 93 |
93
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94 SliceImageQuality GetQuality() const |
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95 { |
119
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96 assert(mode_ == Mode_LoadImage || |
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97 mode_ == Mode_LoadRawImage); |
93
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98 return quality_; |
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99 } |
252 | 100 |
73 | 101 unsigned int GetSliceIndex() const |
102 { | |
117
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103 assert(mode_ == Mode_LoadImage || |
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104 mode_ == Mode_LoadRawImage); |
73 | 105 return sliceIndex_; |
106 } | |
252 | 107 |
73 | 108 const Slice& GetSlice() const |
109 { | |
117
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110 assert(mode_ == Mode_LoadImage || |
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111 mode_ == Mode_LoadRawImage); |
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112 assert(slice_ != NULL); |
73 | 113 return *slice_; |
114 } | |
252 | 115 |
73 | 116 unsigned int GetFrame() const |
117 { | |
117
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118 assert(mode_ == Mode_FrameGeometry); |
73 | 119 return frame_; |
120 } | |
252 | 121 |
73 | 122 const std::string& GetInstanceId() const |
123 { | |
117
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124 assert(mode_ == Mode_FrameGeometry || |
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125 mode_ == Mode_InstanceGeometry); |
73 | 126 return instanceId_; |
127 } | |
252 | 128 |
73 | 129 static Operation* DownloadSeriesGeometry() |
130 { | |
131 return new Operation(Mode_SeriesGeometry); | |
132 } | |
252 | 133 |
117
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134 static Operation* DownloadInstanceGeometry(const std::string& instanceId) |
73 | 135 { |
136 std::auto_ptr<Operation> operation(new Operation(Mode_InstanceGeometry)); | |
137 operation->instanceId_ = instanceId; | |
117
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138 return operation.release(); |
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139 } |
252 | 140 |
117
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141 static Operation* DownloadFrameGeometry(const std::string& instanceId, |
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142 unsigned int frame) |
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143 { |
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144 std::auto_ptr<Operation> operation(new Operation(Mode_FrameGeometry)); |
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145 operation->instanceId_ = instanceId; |
73 | 146 operation->frame_ = frame; |
147 return operation.release(); | |
148 } | |
252 | 149 |
73 | 150 static Operation* DownloadSliceImage(unsigned int sliceIndex, |
93
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151 const Slice& slice, |
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152 SliceImageQuality quality) |
73 | 153 { |
154 std::auto_ptr<Operation> tmp(new Operation(Mode_LoadImage)); | |
155 tmp->sliceIndex_ = sliceIndex; | |
156 tmp->slice_ = &slice; | |
93
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157 tmp->quality_ = quality; |
73 | 158 return tmp.release(); |
159 } | |
252 | 160 |
117
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161 static Operation* DownloadSliceRawImage(unsigned int sliceIndex, |
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162 const Slice& slice) |
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163 { |
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164 std::auto_ptr<Operation> tmp(new Operation(Mode_LoadRawImage)); |
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165 tmp->sliceIndex_ = sliceIndex; |
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166 tmp->slice_ = &slice; |
257 | 167 tmp->quality_ = SliceImageQuality_InternalRaw; |
117
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168 return tmp.release(); |
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169 } |
257 | 170 |
171 static Operation* DownloadDicomFile(const Slice& slice) | |
172 { | |
173 std::auto_ptr<Operation> tmp(new Operation(Mode_LoadDicomFile)); | |
174 tmp->slice_ = &slice; | |
175 return tmp.release(); | |
176 } | |
177 | |
73 | 178 }; |
179 | |
252 | 180 |
73 | 181 class OrthancSlicesLoader::WebCallback : public IWebService::ICallback |
182 { | |
183 private: | |
184 OrthancSlicesLoader& that_; | |
252 | 185 |
73 | 186 public: |
251
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187 WebCallback(MessageBroker& broker, OrthancSlicesLoader& that) : |
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188 IWebService::ICallback(broker), |
73 | 189 that_(that) |
190 { | |
191 } | |
252 | 192 |
251
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193 virtual void OnHttpRequestSuccess(const std::string& uri, |
252 | 194 const void* answer, |
195 size_t answerSize, | |
196 Orthanc::IDynamicObject* payload) | |
73 | 197 { |
198 std::auto_ptr<Operation> operation(dynamic_cast<Operation*>(payload)); | |
252 | 199 |
73 | 200 switch (operation->GetMode()) |
201 { | |
252 | 202 case Mode_SeriesGeometry: |
203 that_.ParseSeriesGeometry(answer, answerSize); | |
204 break; | |
205 | |
206 case Mode_InstanceGeometry: | |
207 that_.ParseInstanceGeometry(operation->GetInstanceId(), answer, answerSize); | |
208 break; | |
209 | |
210 case Mode_FrameGeometry: | |
211 that_.ParseFrameGeometry(operation->GetInstanceId(), | |
212 operation->GetFrame(), answer, answerSize); | |
213 break; | |
214 | |
215 case Mode_LoadImage: | |
216 switch (operation->GetQuality()) | |
217 { | |
257 | 218 case SliceImageQuality_FullPng: |
252 | 219 that_.ParseSliceImagePng(*operation, answer, answerSize); |
73 | 220 break; |
257 | 221 case SliceImageQuality_FullPam: |
222 that_.ParseSliceImagePam(*operation, answer, answerSize); | |
223 break; | |
224 | |
252 | 225 case SliceImageQuality_Jpeg50: |
226 case SliceImageQuality_Jpeg90: | |
227 case SliceImageQuality_Jpeg95: | |
228 that_.ParseSliceImageJpeg(*operation, answer, answerSize); | |
73 | 229 break; |
230 | |
231 default: | |
232 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
252 | 233 } |
234 | |
235 break; | |
236 | |
237 case Mode_LoadRawImage: | |
238 that_.ParseSliceRawImage(*operation, answer, answerSize); | |
239 break; | |
240 | |
241 default: | |
242 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
73 | 243 } |
252 | 244 } |
245 | |
246 virtual void OnHttpRequestError(const std::string& uri, | |
247 Orthanc::IDynamicObject* payload) | |
248 { | |
249 std::auto_ptr<Operation> operation(dynamic_cast<Operation*>(payload)); | |
250 LOG(ERROR) << "Cannot download " << uri; | |
251 | |
252 switch (operation->GetMode()) | |
253 { | |
254 case Mode_FrameGeometry: | |
255 case Mode_SeriesGeometry: | |
266
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256 that_.EmitMessage(IMessage(MessageType_SliceGeometryError)); |
252 | 257 that_.state_ = State_Error; |
258 break; | |
259 | |
260 case Mode_LoadImage: | |
266
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261 { |
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262 OrthancSlicesLoader::SliceImageErrorMessage msg(operation->GetSliceIndex(), |
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263 operation->GetSlice(), |
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264 operation->GetQuality()); |
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265 that_.EmitMessage(msg); |
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266 }; break; |
252 | 267 |
268 default: | |
269 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
270 } | |
271 } | |
73 | 272 }; |
252 | 273 |
266
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274 void OrthancSlicesLoader::HandleMessage(const IObservable& from, const IMessage& message) |
252 | 275 { |
266
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276 // forward messages to its own observers |
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277 IObservable::broker_.EmitMessage(from, IObservable::observers_, message); |
252 | 278 } |
93
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279 |
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280 |
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281 void OrthancSlicesLoader::NotifySliceImageSuccess(const Operation& operation, |
99 | 282 std::auto_ptr<Orthanc::ImageAccessor>& image) const |
93
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283 { |
99 | 284 if (image.get() == NULL) |
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285 { |
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286 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); |
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287 } |
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288 else |
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289 { |
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290 OrthancSlicesLoader::SliceImageReadyMessage msg(operation.GetSliceIndex(), operation.GetSlice(), image, operation.GetQuality()); |
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291 EmitMessage(msg); |
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292 } |
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293 } |
252 | 294 |
93
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295 |
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296 void OrthancSlicesLoader::NotifySliceImageError(const Operation& operation) const |
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297 { |
266
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298 OrthancSlicesLoader::SliceImageErrorMessage msg(operation.GetSliceIndex(), operation.GetSlice(), operation.GetQuality()); |
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299 EmitMessage(msg); |
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300 } |
252 | 301 |
302 | |
120
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303 void OrthancSlicesLoader::SortAndFinalizeSlices() |
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304 { |
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305 bool ok = false; |
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306 |
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307 if (slices_.GetSliceCount() > 0) |
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308 { |
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309 Vector normal; |
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310 if (slices_.SelectNormal(normal)) |
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311 { |
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312 slices_.FilterNormal(normal); |
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313 slices_.SetNormal(normal); |
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314 slices_.Sort(); |
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315 ok = true; |
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316 } |
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317 } |
252 | 318 |
120
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319 state_ = State_GeometryReady; |
252 | 320 |
120
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321 if (ok) |
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322 { |
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323 LOG(INFO) << "Loaded a series with " << slices_.GetSliceCount() << " slice(s)"; |
266
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324 EmitMessage(IMessage(MessageType_SliceGeometryReady)); |
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325 } |
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326 else |
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327 { |
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328 LOG(ERROR) << "This series is empty"; |
266
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329 EmitMessage(IMessage(MessageType_SliceGeometryError)); |
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330 } |
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331 } |
252 | 332 |
73 | 333 |
334 void OrthancSlicesLoader::ParseSeriesGeometry(const void* answer, | |
335 size_t size) | |
336 { | |
337 Json::Value series; | |
338 if (!MessagingToolbox::ParseJson(series, answer, size) || | |
339 series.type() != Json::objectValue) | |
340 { | |
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341 EmitMessage(IMessage(MessageType_SliceGeometryError)); |
73 | 342 return; |
343 } | |
252 | 344 |
73 | 345 Json::Value::Members instances = series.getMemberNames(); |
252 | 346 |
73 | 347 slices_.Reserve(instances.size()); |
252 | 348 |
73 | 349 for (size_t i = 0; i < instances.size(); i++) |
350 { | |
351 OrthancPlugins::FullOrthancDataset dataset(series[instances[i]]); | |
252 | 352 |
118
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353 Orthanc::DicomMap dicom; |
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354 MessagingToolbox::ConvertDataset(dicom, dataset); |
117
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355 |
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356 unsigned int frames; |
118
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357 if (!dicom.ParseUnsignedInteger32(frames, Orthanc::DICOM_TAG_NUMBER_OF_FRAMES)) |
117
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358 { |
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359 frames = 1; |
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360 } |
252 | 361 |
117
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362 for (unsigned int frame = 0; frame < frames; frame++) |
73 | 363 { |
119
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364 std::auto_ptr<Slice> slice(new Slice); |
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365 if (slice->ParseOrthancFrame(dicom, instances[i], frame)) |
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366 { |
119
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367 slices_.AddSlice(slice.release()); |
117
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368 } |
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369 else |
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370 { |
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371 LOG(WARNING) << "Skipping invalid frame " << frame << " within instance " << instances[i]; |
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372 } |
73 | 373 } |
374 } | |
252 | 375 |
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376 SortAndFinalizeSlices(); |
73 | 377 } |
252 | 378 |
379 | |
73 | 380 void OrthancSlicesLoader::ParseInstanceGeometry(const std::string& instanceId, |
381 const void* answer, | |
382 size_t size) | |
383 { | |
384 Json::Value tags; | |
385 if (!MessagingToolbox::ParseJson(tags, answer, size) || | |
386 tags.type() != Json::objectValue) | |
387 { | |
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388 EmitMessage(IMessage(MessageType_SliceGeometryError)); |
73 | 389 return; |
390 } | |
252 | 391 |
73 | 392 OrthancPlugins::FullOrthancDataset dataset(tags); |
252 | 393 |
118
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394 Orthanc::DicomMap dicom; |
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395 MessagingToolbox::ConvertDataset(dicom, dataset); |
252 | 396 |
117
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397 unsigned int frames; |
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398 if (!dicom.ParseUnsignedInteger32(frames, Orthanc::DICOM_TAG_NUMBER_OF_FRAMES)) |
117
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399 { |
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400 frames = 1; |
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401 } |
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402 |
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403 LOG(INFO) << "Instance " << instanceId << " contains " << frames << " frame(s)"; |
252 | 404 |
117
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405 for (unsigned int frame = 0; frame < frames; frame++) |
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406 { |
119
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407 std::auto_ptr<Slice> slice(new Slice); |
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408 if (slice->ParseOrthancFrame(dicom, instanceId, frame)) |
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409 { |
119
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410 slices_.AddSlice(slice.release()); |
117
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411 } |
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412 else |
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413 { |
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414 LOG(WARNING) << "Skipping invalid multi-frame instance " << instanceId; |
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415 EmitMessage(IMessage(MessageType_SliceGeometryError)); |
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416 return; |
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417 } |
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418 } |
252 | 419 |
120
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420 SortAndFinalizeSlices(); |
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421 } |
252 | 422 |
423 | |
117
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424 void OrthancSlicesLoader::ParseFrameGeometry(const std::string& instanceId, |
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425 unsigned int frame, |
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426 const void* answer, |
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427 size_t size) |
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428 { |
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429 Json::Value tags; |
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430 if (!MessagingToolbox::ParseJson(tags, answer, size) || |
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431 tags.type() != Json::objectValue) |
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432 { |
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433 EmitMessage(IMessage(MessageType_SliceGeometryError)); |
117
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434 return; |
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435 } |
252 | 436 |
117
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437 OrthancPlugins::FullOrthancDataset dataset(tags); |
252 | 438 |
73 | 439 state_ = State_GeometryReady; |
252 | 440 |
118
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441 Orthanc::DicomMap dicom; |
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442 MessagingToolbox::ConvertDataset(dicom, dataset); |
252 | 443 |
119
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444 std::auto_ptr<Slice> slice(new Slice); |
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445 if (slice->ParseOrthancFrame(dicom, instanceId, frame)) |
73 | 446 { |
266
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447 LOG(INFO) << "Loaded instance geometry " << instanceId; |
119
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448 slices_.AddSlice(slice.release()); |
266
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449 EmitMessage(IMessage(MessageType_SliceGeometryReady)); |
73 | 450 } |
451 else | |
452 { | |
453 LOG(WARNING) << "Skipping invalid instance " << instanceId; | |
266
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454 EmitMessage(IMessage(MessageType_SliceGeometryError)); |
73 | 455 } |
456 } | |
252 | 457 |
458 | |
93
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459 void OrthancSlicesLoader::ParseSliceImagePng(const Operation& operation, |
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460 const void* answer, |
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461 size_t size) |
73 | 462 { |
99 | 463 std::auto_ptr<Orthanc::ImageAccessor> image; |
252 | 464 |
93
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465 try |
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466 { |
99 | 467 image.reset(new Orthanc::PngReader); |
468 dynamic_cast<Orthanc::PngReader&>(*image).ReadFromMemory(answer, size); | |
93
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469 } |
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470 catch (Orthanc::OrthancException&) |
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471 { |
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472 NotifySliceImageError(operation); |
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473 return; |
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474 } |
252 | 475 |
93
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476 if (image->GetWidth() != operation.GetSlice().GetWidth() || |
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477 image->GetHeight() != operation.GetSlice().GetHeight()) |
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478 { |
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479 NotifySliceImageError(operation); |
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480 return; |
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481 } |
252 | 482 |
93
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483 if (operation.GetSlice().GetConverter().GetExpectedPixelFormat() == |
73 | 484 Orthanc::PixelFormat_SignedGrayscale16) |
485 { | |
486 if (image->GetFormat() == Orthanc::PixelFormat_Grayscale16) | |
487 { | |
488 image->SetFormat(Orthanc::PixelFormat_SignedGrayscale16); | |
489 } | |
490 else | |
491 { | |
93
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492 NotifySliceImageError(operation); |
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493 return; |
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494 } |
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495 } |
252 | 496 |
99 | 497 NotifySliceImageSuccess(operation, image); |
252 | 498 } |
499 | |
257 | 500 void OrthancSlicesLoader::ParseSliceImagePam(const Operation& operation, |
501 const void* answer, | |
502 size_t size) | |
503 { | |
504 std::auto_ptr<Orthanc::ImageAccessor> image; | |
505 | |
506 try | |
507 { | |
508 image.reset(new Orthanc::PamReader); | |
509 dynamic_cast<Orthanc::PamReader&>(*image).ReadFromMemory(std::string(reinterpret_cast<const char*>(answer), size)); | |
510 } | |
511 catch (Orthanc::OrthancException&) | |
512 { | |
513 NotifySliceImageError(operation); | |
514 return; | |
515 } | |
516 | |
517 if (image->GetWidth() != operation.GetSlice().GetWidth() || | |
518 image->GetHeight() != operation.GetSlice().GetHeight()) | |
519 { | |
520 NotifySliceImageError(operation); | |
521 return; | |
522 } | |
523 | |
524 if (operation.GetSlice().GetConverter().GetExpectedPixelFormat() == | |
525 Orthanc::PixelFormat_SignedGrayscale16) | |
526 { | |
527 if (image->GetFormat() == Orthanc::PixelFormat_Grayscale16) | |
528 { | |
529 image->SetFormat(Orthanc::PixelFormat_SignedGrayscale16); | |
530 } | |
531 else | |
532 { | |
533 NotifySliceImageError(operation); | |
534 return; | |
535 } | |
536 } | |
537 | |
538 NotifySliceImageSuccess(operation, image); | |
539 } | |
540 | |
541 | |
93
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542 void OrthancSlicesLoader::ParseSliceImageJpeg(const Operation& operation, |
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543 const void* answer, |
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544 size_t size) |
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545 { |
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546 Json::Value encoded; |
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547 if (!MessagingToolbox::ParseJson(encoded, answer, size) || |
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548 encoded.type() != Json::objectValue || |
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549 !encoded.isMember("Orthanc") || |
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550 encoded["Orthanc"].type() != Json::objectValue) |
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551 { |
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552 NotifySliceImageError(operation); |
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553 return; |
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554 } |
252 | 555 |
93
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556 Json::Value& info = encoded["Orthanc"]; |
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557 if (!info.isMember("PixelData") || |
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558 !info.isMember("Stretched") || |
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559 !info.isMember("Compression") || |
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560 info["Compression"].type() != Json::stringValue || |
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561 info["PixelData"].type() != Json::stringValue || |
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562 info["Stretched"].type() != Json::booleanValue || |
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563 info["Compression"].asString() != "Jpeg") |
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564 { |
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565 NotifySliceImageError(operation); |
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566 return; |
94 | 567 } |
252 | 568 |
93
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569 bool isSigned = false; |
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570 bool isStretched = info["Stretched"].asBool(); |
252 | 571 |
93
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572 if (info.isMember("IsSigned")) |
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573 { |
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574 if (info["IsSigned"].type() != Json::booleanValue) |
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575 { |
94 | 576 NotifySliceImageError(operation); |
577 return; | |
252 | 578 } |
93
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579 else |
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580 { |
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581 isSigned = info["IsSigned"].asBool(); |
73 | 582 } |
583 } | |
252 | 584 |
99 | 585 std::auto_ptr<Orthanc::ImageAccessor> reader; |
252 | 586 |
93
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587 { |
100
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588 std::string jpeg; |
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589 //Orthanc::Toolbox::DecodeBase64(jpeg, info["PixelData"].asString()); |
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590 jpeg = base64_decode(info["PixelData"].asString()); |
252 | 591 |
100
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592 try |
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593 { |
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594 reader.reset(new Orthanc::JpegReader); |
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595 dynamic_cast<Orthanc::JpegReader&>(*reader).ReadFromMemory(jpeg); |
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596 } |
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597 catch (Orthanc::OrthancException&) |
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598 { |
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599 NotifySliceImageError(operation); |
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600 return; |
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601 } |
93
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602 } |
252 | 603 |
93
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604 Orthanc::PixelFormat expectedFormat = |
252 | 605 operation.GetSlice().GetConverter().GetExpectedPixelFormat(); |
606 | |
93
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607 if (reader->GetFormat() == Orthanc::PixelFormat_RGB24) // This is a color image |
73 | 608 { |
93
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609 if (expectedFormat != Orthanc::PixelFormat_RGB24) |
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610 { |
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611 NotifySliceImageError(operation); |
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612 return; |
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613 } |
252 | 614 |
93
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615 if (isSigned || isStretched) |
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616 { |
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617 NotifySliceImageError(operation); |
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618 return; |
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619 } |
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620 else |
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621 { |
99 | 622 NotifySliceImageSuccess(operation, reader); |
93
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623 return; |
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624 } |
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625 } |
252 | 626 |
93
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627 if (reader->GetFormat() != Orthanc::PixelFormat_Grayscale8) |
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628 { |
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629 NotifySliceImageError(operation); |
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630 return; |
73 | 631 } |
252 | 632 |
93
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633 if (!isStretched) |
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634 { |
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635 if (expectedFormat != reader->GetFormat()) |
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636 { |
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637 NotifySliceImageError(operation); |
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638 return; |
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639 } |
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640 else |
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641 { |
99 | 642 NotifySliceImageSuccess(operation, reader); |
93
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643 return; |
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644 } |
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645 } |
252 | 646 |
93
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647 int32_t stretchLow = 0; |
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648 int32_t stretchHigh = 0; |
252 | 649 |
93
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650 if (!info.isMember("StretchLow") || |
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651 !info.isMember("StretchHigh") || |
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652 info["StretchLow"].type() != Json::intValue || |
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653 info["StretchHigh"].type() != Json::intValue) |
73 | 654 { |
93
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655 NotifySliceImageError(operation); |
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656 return; |
73 | 657 } |
252 | 658 |
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659 stretchLow = info["StretchLow"].asInt(); |
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660 stretchHigh = info["StretchHigh"].asInt(); |
252 | 661 |
93
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662 if (stretchLow < -32768 || |
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663 stretchHigh > 65535 || |
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664 (stretchLow < 0 && stretchHigh > 32767)) |
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665 { |
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666 // This range cannot be represented with a uint16_t or an int16_t |
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667 NotifySliceImageError(operation); |
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668 return; |
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669 } |
252 | 670 |
93
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671 // Decode a grayscale JPEG 8bpp image coming from the Web viewer |
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672 std::auto_ptr<Orthanc::ImageAccessor> image |
252 | 673 (new Orthanc::Image(expectedFormat, reader->GetWidth(), reader->GetHeight(), false)); |
674 | |
203 | 675 Orthanc::ImageProcessing::Convert(*image, *reader); |
676 reader.reset(NULL); | |
252 | 677 |
93
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678 float scaling = static_cast<float>(stretchHigh - stretchLow) / 255.0f; |
252 | 679 |
203 | 680 if (!LinearAlgebra::IsCloseToZero(scaling)) |
681 { | |
682 float offset = static_cast<float>(stretchLow) / scaling; | |
683 Orthanc::ImageProcessing::ShiftScale(*image, offset, scaling, true); | |
684 } | |
252 | 685 |
99 | 686 NotifySliceImageSuccess(operation, image); |
73 | 687 } |
252 | 688 |
689 | |
119
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690 class StringImage : |
252 | 691 public Orthanc::ImageAccessor, |
692 public boost::noncopyable | |
119
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693 { |
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694 private: |
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695 std::string buffer_; |
73 | 696 |
119
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697 public: |
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698 StringImage(Orthanc::PixelFormat format, |
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699 unsigned int width, |
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700 unsigned int height, |
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701 std::string& buffer) |
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702 { |
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703 if (buffer.size() != Orthanc::GetBytesPerPixel(format) * width * height) |
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704 { |
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705 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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706 } |
252 | 707 |
119
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708 buffer_.swap(buffer); // The source buffer is now empty |
252 | 709 |
119
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710 void* data = (buffer_.empty() ? NULL : &buffer_[0]); |
252 | 711 |
119
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712 AssignWritable(format, width, height, |
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713 Orthanc::GetBytesPerPixel(format) * width, data); |
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714 } |
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715 }; |
252 | 716 |
117
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717 void OrthancSlicesLoader::ParseSliceRawImage(const Operation& operation, |
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718 const void* answer, |
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719 size_t size) |
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720 { |
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721 Orthanc::GzipCompressor compressor; |
252 | 722 |
117
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723 std::string raw; |
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724 compressor.Uncompress(raw, answer, size); |
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725 |
119
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726 const Orthanc::DicomImageInformation& info = operation.GetSlice().GetImageInformation(); |
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727 |
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728 if (info.GetBitsAllocated() == 32 && |
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729 info.GetBitsStored() == 32 && |
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730 info.GetHighBit() == 31 && |
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731 info.GetChannelCount() == 1 && |
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732 !info.IsSigned() && |
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733 info.GetPhotometricInterpretation() == Orthanc::PhotometricInterpretation_Monochrome2 && |
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734 raw.size() == info.GetWidth() * info.GetHeight() * 4) |
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735 { |
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736 // This is the case of RT-DOSE (uint32_t values) |
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737 |
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738 std::auto_ptr<Orthanc::ImageAccessor> image |
252 | 739 (new StringImage(Orthanc::PixelFormat_Grayscale32, info.GetWidth(), |
740 info.GetHeight(), raw)); | |
741 | |
120
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742 // TODO - Only for big endian |
119
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743 for (unsigned int y = 0; y < image->GetHeight(); y++) |
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744 { |
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745 uint32_t *p = reinterpret_cast<uint32_t*>(image->GetRow(y)); |
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746 for (unsigned int x = 0; x < image->GetWidth(); x++, p++) |
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747 { |
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748 *p = le32toh(*p); |
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749 } |
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750 } |
252 | 751 |
119
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752 NotifySliceImageSuccess(operation, image); |
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753 } |
120
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754 else if (info.GetBitsAllocated() == 16 && |
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755 info.GetBitsStored() == 16 && |
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756 info.GetHighBit() == 15 && |
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757 info.GetChannelCount() == 1 && |
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758 !info.IsSigned() && |
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759 info.GetPhotometricInterpretation() == Orthanc::PhotometricInterpretation_Monochrome2 && |
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760 raw.size() == info.GetWidth() * info.GetHeight() * 2) |
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761 { |
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762 std::auto_ptr<Orthanc::ImageAccessor> image |
252 | 763 (new StringImage(Orthanc::PixelFormat_Grayscale16, info.GetWidth(), |
764 info.GetHeight(), raw)); | |
765 | |
120
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766 // TODO - Big endian ? |
252 | 767 |
120
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768 NotifySliceImageSuccess(operation, image); |
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769 } |
119
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770 else |
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771 { |
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772 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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773 } |
252 | 774 |
117
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775 } |
252 | 776 |
777 | |
251
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778 OrthancSlicesLoader::OrthancSlicesLoader(MessageBroker& broker, |
266
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779 //ISliceLoaderObserver& callback, |
73 | 780 IWebService& orthanc) : |
266
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781 IObservable(broker), |
251
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782 webCallback_(new WebCallback(broker, *this)), |
266
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783 //userCallback_(callback), |
73 | 784 orthanc_(orthanc), |
785 state_(State_Initialization) | |
786 { | |
787 } | |
252 | 788 |
73 | 789 |
790 void OrthancSlicesLoader::ScheduleLoadSeries(const std::string& seriesId) | |
791 { | |
792 if (state_ != State_Initialization) | |
793 { | |
794 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
795 } | |
796 else | |
797 { | |
798 state_ = State_LoadingGeometry; | |
799 std::string uri = "/series/" + seriesId + "/instances-tags"; | |
257 | 800 orthanc_.ScheduleGetRequest(*webCallback_, uri, IWebService::Headers(), Operation::DownloadSeriesGeometry()); |
73 | 801 } |
802 } | |
252 | 803 |
804 | |
117
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805 void OrthancSlicesLoader::ScheduleLoadInstance(const std::string& instanceId) |
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806 { |
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807 if (state_ != State_Initialization) |
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808 { |
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809 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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810 } |
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811 else |
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812 { |
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813 state_ = State_LoadingGeometry; |
252 | 814 |
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815 // Tag "3004-000c" is "Grid Frame Offset Vector", which is |
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816 // mandatory to read RT DOSE, but is too long to be returned by default |
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817 std::string uri = "/instances/" + instanceId + "/tags?ignore-length=3004-000c"; |
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818 orthanc_.ScheduleGetRequest |
257 | 819 (*webCallback_, uri, IWebService::Headers(), Operation::DownloadInstanceGeometry(instanceId)); |
117
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820 } |
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821 } |
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822 |
252 | 823 |
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824 void OrthancSlicesLoader::ScheduleLoadFrame(const std::string& instanceId, |
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825 unsigned int frame) |
73 | 826 { |
827 if (state_ != State_Initialization) | |
828 { | |
829 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
830 } | |
831 else | |
832 { | |
833 state_ = State_LoadingGeometry; | |
834 std::string uri = "/instances/" + instanceId + "/tags"; | |
835 orthanc_.ScheduleGetRequest | |
257 | 836 (*webCallback_, uri, IWebService::Headers(), Operation::DownloadFrameGeometry(instanceId, frame)); |
73 | 837 } |
838 } | |
839 | |
252 | 840 |
77 | 841 bool OrthancSlicesLoader::IsGeometryReady() const |
842 { | |
843 return state_ == State_GeometryReady; | |
844 } | |
252 | 845 |
846 | |
73 | 847 size_t OrthancSlicesLoader::GetSliceCount() const |
848 { | |
849 if (state_ != State_GeometryReady) | |
850 { | |
851 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
852 } | |
252 | 853 |
73 | 854 return slices_.GetSliceCount(); |
855 } | |
252 | 856 |
73 | 857 |
858 const Slice& OrthancSlicesLoader::GetSlice(size_t index) const | |
859 { | |
860 if (state_ != State_GeometryReady) | |
861 { | |
862 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
863 } | |
252 | 864 |
73 | 865 return slices_.GetSlice(index); |
866 } | |
867 | |
252 | 868 |
77 | 869 bool OrthancSlicesLoader::LookupSlice(size_t& index, |
110
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870 const CoordinateSystem3D& plane) const |
77 | 871 { |
872 if (state_ != State_GeometryReady) | |
873 { | |
874 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
875 } | |
252 | 876 |
77 | 877 return slices_.LookupSlice(index, plane); |
878 } | |
879 | |
252 | 880 |
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881 void OrthancSlicesLoader::ScheduleSliceImagePng(const Slice& slice, |
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882 size_t index) |
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883 { |
252 | 884 std::string uri = ("/instances/" + slice.GetOrthancInstanceId() + "/frames/" + |
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885 boost::lexical_cast<std::string>(slice.GetFrame())); |
252 | 886 |
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887 switch (slice.GetConverter().GetExpectedPixelFormat()) |
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888 { |
252 | 889 case Orthanc::PixelFormat_RGB24: |
890 uri += "/preview"; | |
891 break; | |
892 | |
893 case Orthanc::PixelFormat_Grayscale16: | |
894 uri += "/image-uint16"; | |
895 break; | |
896 | |
897 case Orthanc::PixelFormat_SignedGrayscale16: | |
898 uri += "/image-int16"; | |
899 break; | |
900 | |
901 default: | |
902 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
93
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903 } |
252 | 904 |
257 | 905 IWebService::Headers headers; |
906 headers["Accept"] = "image/png"; | |
907 orthanc_.ScheduleGetRequest(*webCallback_, uri, IWebService::Headers(), | |
908 Operation::DownloadSliceImage(index, slice, SliceImageQuality_FullPng)); | |
93
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909 } |
252 | 910 |
257 | 911 void OrthancSlicesLoader::ScheduleSliceImagePam(const Slice& slice, |
912 size_t index) | |
913 { | |
914 std::string uri = ("/instances/" + slice.GetOrthancInstanceId() + "/frames/" + | |
915 boost::lexical_cast<std::string>(slice.GetFrame())); | |
916 | |
917 switch (slice.GetConverter().GetExpectedPixelFormat()) | |
918 { | |
919 case Orthanc::PixelFormat_RGB24: | |
920 uri += "/preview"; | |
921 break; | |
922 | |
923 case Orthanc::PixelFormat_Grayscale16: | |
924 uri += "/image-uint16"; | |
925 break; | |
926 | |
927 case Orthanc::PixelFormat_SignedGrayscale16: | |
928 uri += "/image-int16"; | |
929 break; | |
930 | |
931 default: | |
932 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
933 } | |
934 | |
935 IWebService::Headers headers; | |
936 headers["Accept"] = "image/x-portable-arbitrarymap"; | |
937 orthanc_.ScheduleGetRequest(*webCallback_, uri, headers, | |
938 Operation::DownloadSliceImage(index, slice, SliceImageQuality_FullPam)); | |
939 } | |
940 | |
941 | |
252 | 942 |
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943 void OrthancSlicesLoader::ScheduleSliceImageJpeg(const Slice& slice, |
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944 size_t index, |
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945 SliceImageQuality quality) |
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946 { |
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947 unsigned int value; |
252 | 948 |
93
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949 switch (quality) |
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950 { |
252 | 951 case SliceImageQuality_Jpeg50: |
952 value = 50; | |
953 break; | |
93
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954 |
252 | 955 case SliceImageQuality_Jpeg90: |
956 value = 90; | |
957 break; | |
958 | |
959 case SliceImageQuality_Jpeg95: | |
960 value = 95; | |
961 break; | |
962 | |
963 default: | |
964 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
93
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965 } |
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966 |
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967 // This requires the official Web viewer plugin to be installed! |
252 | 968 std::string uri = ("/web-viewer/instances/jpeg" + |
969 boost::lexical_cast<std::string>(value) + | |
970 "-" + slice.GetOrthancInstanceId() + "_" + | |
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971 boost::lexical_cast<std::string>(slice.GetFrame())); |
252 | 972 |
257 | 973 orthanc_.ScheduleGetRequest(*webCallback_, uri, IWebService::Headers(), |
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974 Operation::DownloadSliceImage(index, slice, quality)); |
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975 } |
252 | 976 |
977 | |
978 | |
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979 void OrthancSlicesLoader::ScheduleLoadSliceImage(size_t index, |
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980 SliceImageQuality quality) |
73 | 981 { |
982 if (state_ != State_GeometryReady) | |
983 { | |
984 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
985 } | |
252 | 986 |
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987 const Slice& slice = GetSlice(index); |
252 | 988 |
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989 if (slice.HasOrthancDecoding()) |
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990 { |
257 | 991 switch (quality) |
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992 { |
257 | 993 case SliceImageQuality_FullPng: |
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994 ScheduleSliceImagePng(slice, index); |
257 | 995 break; |
996 case SliceImageQuality_FullPam: | |
997 ScheduleSliceImagePam(slice, index); | |
998 break; | |
999 default: | |
117
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1000 ScheduleSliceImageJpeg(slice, index, quality); |
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1001 } |
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1002 } |
73 | 1003 else |
1004 { | |
252 | 1005 std::string uri = ("/instances/" + slice.GetOrthancInstanceId() + "/frames/" + |
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1006 boost::lexical_cast<std::string>(slice.GetFrame()) + "/raw.gz"); |
257 | 1007 orthanc_.ScheduleGetRequest(*webCallback_, uri, IWebService::Headers(), |
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1008 Operation::DownloadSliceRawImage(index, slice)); |
73 | 1009 } |
1010 } | |
1011 } |