Mercurial > hg > orthanc-stone
annotate Framework/Toolbox/OrthancSlicesLoader.cpp @ 252:40b21c1f8b8d am-2
more usage of IObservable/IObserver
| author | am@osimis.io |
|---|---|
| date | Tue, 03 Jul 2018 10:26:56 +0200 |
| parents | 192e6e349e69 |
| children | 9afafb192180 |
| rev | line source |
|---|---|
| 73 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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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 | |
|
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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> |
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32 #include <Core/Logging.h> |
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33 #include <Core/OrthancException.h> |
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34 #include <Core/Toolbox.h> |
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35 #include <Plugins/Samples/Common/FullOrthancDataset.h> |
| 73 | 36 |
| 37 #include <boost/lexical_cast.hpp> | |
| 38 | |
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39 |
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40 |
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41 /** |
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42 * TODO This is a SLOW implementation of base64 decoding, because |
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43 * "Orthanc::Toolbox::DecodeBase64()" does not work properly with |
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44 * WASM. UNDERSTAND WHY. |
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45 * https://stackoverflow.com/a/34571089/881731 |
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46 **/ |
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47 static std::string base64_decode(const std::string &in) |
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48 { |
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49 std::string out; |
| 252 | 50 |
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51 std::vector<int> T(256,-1); |
| 252 | 52 for (int i=0; i<64; i++) T["ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[i]] = i; |
| 53 | |
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54 int val=0, valb=-8; |
| 128 | 55 for (size_t i = 0; i < in.size(); i++) { |
| 56 unsigned char c = in[i]; | |
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57 if (T[c] == -1) break; |
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58 val = (val<<6) + T[c]; |
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59 valb += 6; |
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60 if (valb>=0) { |
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61 out.push_back(char((val>>valb)&0xFF)); |
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62 valb-=8; |
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63 } |
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64 } |
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65 return out; |
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66 } |
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67 |
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68 |
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69 |
| 73 | 70 namespace OrthancStone |
| 71 { | |
| 72 class OrthancSlicesLoader::Operation : public Orthanc::IDynamicObject | |
| 73 { | |
| 74 private: | |
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75 Mode mode_; |
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76 unsigned int frame_; |
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77 unsigned int sliceIndex_; |
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78 const Slice* slice_; |
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79 std::string instanceId_; |
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80 SliceImageQuality quality_; |
| 252 | 81 |
| 73 | 82 Operation(Mode mode) : |
| 83 mode_(mode) | |
| 84 { | |
| 85 } | |
| 252 | 86 |
| 73 | 87 public: |
| 88 Mode GetMode() const | |
| 89 { | |
| 90 return mode_; | |
| 91 } | |
| 252 | 92 |
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93 SliceImageQuality GetQuality() const |
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94 { |
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95 assert(mode_ == Mode_LoadImage || |
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96 mode_ == Mode_LoadRawImage); |
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97 return quality_; |
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98 } |
| 252 | 99 |
| 73 | 100 unsigned int GetSliceIndex() const |
| 101 { | |
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102 assert(mode_ == Mode_LoadImage || |
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103 mode_ == Mode_LoadRawImage); |
| 73 | 104 return sliceIndex_; |
| 105 } | |
| 252 | 106 |
| 73 | 107 const Slice& GetSlice() const |
| 108 { | |
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109 assert(mode_ == Mode_LoadImage || |
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110 mode_ == Mode_LoadRawImage); |
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111 assert(slice_ != NULL); |
| 73 | 112 return *slice_; |
| 113 } | |
| 252 | 114 |
| 73 | 115 unsigned int GetFrame() const |
| 116 { | |
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117 assert(mode_ == Mode_FrameGeometry); |
| 73 | 118 return frame_; |
| 119 } | |
| 252 | 120 |
| 73 | 121 const std::string& GetInstanceId() const |
| 122 { | |
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123 assert(mode_ == Mode_FrameGeometry || |
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124 mode_ == Mode_InstanceGeometry); |
| 73 | 125 return instanceId_; |
| 126 } | |
| 252 | 127 |
| 73 | 128 static Operation* DownloadSeriesGeometry() |
| 129 { | |
| 130 return new Operation(Mode_SeriesGeometry); | |
| 131 } | |
| 252 | 132 |
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133 static Operation* DownloadInstanceGeometry(const std::string& instanceId) |
| 73 | 134 { |
| 135 std::auto_ptr<Operation> operation(new Operation(Mode_InstanceGeometry)); | |
| 136 operation->instanceId_ = instanceId; | |
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137 return operation.release(); |
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138 } |
| 252 | 139 |
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140 static Operation* DownloadFrameGeometry(const std::string& instanceId, |
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141 unsigned int frame) |
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142 { |
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143 std::auto_ptr<Operation> operation(new Operation(Mode_FrameGeometry)); |
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144 operation->instanceId_ = instanceId; |
| 73 | 145 operation->frame_ = frame; |
| 146 return operation.release(); | |
| 147 } | |
| 252 | 148 |
| 73 | 149 static Operation* DownloadSliceImage(unsigned int sliceIndex, |
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150 const Slice& slice, |
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151 SliceImageQuality quality) |
| 73 | 152 { |
| 153 std::auto_ptr<Operation> tmp(new Operation(Mode_LoadImage)); | |
| 154 tmp->sliceIndex_ = sliceIndex; | |
| 155 tmp->slice_ = &slice; | |
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156 tmp->quality_ = quality; |
| 73 | 157 return tmp.release(); |
| 158 } | |
| 252 | 159 |
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160 static Operation* DownloadSliceRawImage(unsigned int sliceIndex, |
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161 const Slice& slice) |
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162 { |
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163 std::auto_ptr<Operation> tmp(new Operation(Mode_LoadRawImage)); |
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164 tmp->sliceIndex_ = sliceIndex; |
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165 tmp->slice_ = &slice; |
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166 tmp->quality_ = SliceImageQuality_Full; |
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167 return tmp.release(); |
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168 } |
| 73 | 169 }; |
| 170 | |
| 252 | 171 |
| 73 | 172 class OrthancSlicesLoader::WebCallback : public IWebService::ICallback |
| 173 { | |
| 174 private: | |
| 175 OrthancSlicesLoader& that_; | |
| 252 | 176 |
| 73 | 177 public: |
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178 WebCallback(MessageBroker& broker, OrthancSlicesLoader& that) : |
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179 IWebService::ICallback(broker), |
| 73 | 180 that_(that) |
| 181 { | |
| 182 } | |
| 252 | 183 |
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184 virtual void OnHttpRequestSuccess(const std::string& uri, |
| 252 | 185 const void* answer, |
| 186 size_t answerSize, | |
| 187 Orthanc::IDynamicObject* payload) | |
| 73 | 188 { |
| 189 std::auto_ptr<Operation> operation(dynamic_cast<Operation*>(payload)); | |
| 252 | 190 |
| 73 | 191 switch (operation->GetMode()) |
| 192 { | |
| 252 | 193 case Mode_SeriesGeometry: |
| 194 that_.ParseSeriesGeometry(answer, answerSize); | |
| 195 break; | |
| 196 | |
| 197 case Mode_InstanceGeometry: | |
| 198 that_.ParseInstanceGeometry(operation->GetInstanceId(), answer, answerSize); | |
| 199 break; | |
| 200 | |
| 201 case Mode_FrameGeometry: | |
| 202 that_.ParseFrameGeometry(operation->GetInstanceId(), | |
| 203 operation->GetFrame(), answer, answerSize); | |
| 204 break; | |
| 205 | |
| 206 case Mode_LoadImage: | |
| 207 switch (operation->GetQuality()) | |
| 208 { | |
| 209 case SliceImageQuality_Full: | |
| 210 that_.ParseSliceImagePng(*operation, answer, answerSize); | |
| 73 | 211 break; |
| 252 | 212 |
| 213 case SliceImageQuality_Jpeg50: | |
| 214 case SliceImageQuality_Jpeg90: | |
| 215 case SliceImageQuality_Jpeg95: | |
| 216 that_.ParseSliceImageJpeg(*operation, answer, answerSize); | |
| 73 | 217 break; |
| 218 | |
| 219 default: | |
| 220 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 252 | 221 } |
| 222 | |
| 223 break; | |
| 224 | |
| 225 case Mode_LoadRawImage: | |
| 226 that_.ParseSliceRawImage(*operation, answer, answerSize); | |
| 227 break; | |
| 228 | |
| 229 default: | |
| 230 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 73 | 231 } |
| 252 | 232 } |
| 233 | |
| 234 virtual void OnHttpRequestError(const std::string& uri, | |
| 235 Orthanc::IDynamicObject* payload) | |
| 236 { | |
| 237 std::auto_ptr<Operation> operation(dynamic_cast<Operation*>(payload)); | |
| 238 LOG(ERROR) << "Cannot download " << uri; | |
| 239 | |
| 240 switch (operation->GetMode()) | |
| 241 { | |
| 242 case Mode_FrameGeometry: | |
| 243 case Mode_SeriesGeometry: | |
| 244 that_.userCallback_.OnSliceGeometryError(that_); | |
| 245 that_.state_ = State_Error; | |
| 246 break; | |
| 247 | |
| 248 case Mode_LoadImage: | |
| 249 that_.userCallback_.OnSliceImageError(that_, operation->GetSliceIndex(), | |
| 250 operation->GetSlice(), | |
| 251 operation->GetQuality()); | |
| 252 break; | |
| 253 | |
| 254 default: | |
| 255 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 256 } | |
| 257 } | |
| 73 | 258 }; |
| 252 | 259 |
| 260 void OrthancSlicesLoader::ISliceLoaderObserver::HandleMessage(IObservable& from, const IMessage& message) | |
| 261 { | |
| 262 switch (message.GetType()) | |
| 263 { | |
| 264 case MessageType_SliceGeometryReady: | |
| 265 OnSliceGeometryReady(dynamic_cast<OrthancSlicesLoader&>(from)); | |
| 266 break; | |
| 267 case MessageType_SliceGeometryError: | |
| 268 OnSliceGeometryError(dynamic_cast<OrthancSlicesLoader&>(from)); | |
| 269 break; | |
| 270 case MessageType_SliceImageReady: | |
| 271 { | |
| 272 const SliceImageReadyMessage& msg = dynamic_cast<const SliceImageReadyMessage&>(message); | |
| 273 OnSliceImageReady(dynamic_cast<OrthancSlicesLoader&>(from), | |
| 274 msg.sliceIndex_, | |
| 275 msg.slice_, | |
| 276 msg.image_, | |
| 277 msg.effectiveQuality_); | |
| 278 }; break; | |
| 279 case MessageType_SliceImageError: | |
| 280 { | |
| 281 const SliceImageErrorMessage& msg = dynamic_cast<const SliceImageErrorMessage&>(message); | |
| 282 OnSliceImageError(dynamic_cast<OrthancSlicesLoader&>(from), | |
| 283 msg.sliceIndex_, | |
| 284 msg.slice_, | |
| 285 msg.effectiveQuality_); | |
| 286 }; break; | |
| 287 default: | |
| 288 VLOG("unhandled message type" << message.GetType()); | |
| 289 } | |
| 290 } | |
|
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291 |
|
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292 |
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293 void OrthancSlicesLoader::NotifySliceImageSuccess(const Operation& operation, |
| 99 | 294 std::auto_ptr<Orthanc::ImageAccessor>& image) const |
|
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295 { |
| 99 | 296 if (image.get() == NULL) |
|
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297 { |
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298 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); |
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299 } |
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300 else |
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301 { |
| 252 | 302 userCallback_.OnSliceImageReady |
| 303 (*this, operation.GetSliceIndex(), operation.GetSlice(), image, operation.GetQuality()); | |
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304 } |
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305 } |
| 252 | 306 |
|
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307 |
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308 void OrthancSlicesLoader::NotifySliceImageError(const Operation& operation) const |
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309 { |
| 252 | 310 userCallback_.OnSliceImageError |
| 311 (*this, operation.GetSliceIndex(), operation.GetSlice(), operation.GetQuality()); | |
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312 } |
| 252 | 313 |
| 314 | |
|
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315 void OrthancSlicesLoader::SortAndFinalizeSlices() |
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316 { |
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317 bool ok = false; |
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318 |
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319 if (slices_.GetSliceCount() > 0) |
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320 { |
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321 Vector normal; |
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322 if (slices_.SelectNormal(normal)) |
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323 { |
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324 slices_.FilterNormal(normal); |
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325 slices_.SetNormal(normal); |
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326 slices_.Sort(); |
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327 ok = true; |
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328 } |
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329 } |
| 252 | 330 |
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331 state_ = State_GeometryReady; |
| 252 | 332 |
|
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333 if (ok) |
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334 { |
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335 LOG(INFO) << "Loaded a series with " << slices_.GetSliceCount() << " slice(s)"; |
| 252 | 336 userCallback_.OnSliceGeometryReady(*this); |
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337 } |
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338 else |
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339 { |
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340 LOG(ERROR) << "This series is empty"; |
| 252 | 341 userCallback_.OnSliceGeometryError(*this); |
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342 } |
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343 } |
| 252 | 344 |
| 73 | 345 |
| 346 void OrthancSlicesLoader::ParseSeriesGeometry(const void* answer, | |
| 347 size_t size) | |
| 348 { | |
| 349 Json::Value series; | |
| 350 if (!MessagingToolbox::ParseJson(series, answer, size) || | |
| 351 series.type() != Json::objectValue) | |
| 352 { | |
| 252 | 353 userCallback_.OnSliceGeometryError(*this); |
| 73 | 354 return; |
| 355 } | |
| 252 | 356 |
| 73 | 357 Json::Value::Members instances = series.getMemberNames(); |
| 252 | 358 |
| 73 | 359 slices_.Reserve(instances.size()); |
| 252 | 360 |
| 73 | 361 for (size_t i = 0; i < instances.size(); i++) |
| 362 { | |
| 363 OrthancPlugins::FullOrthancDataset dataset(series[instances[i]]); | |
| 252 | 364 |
|
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365 Orthanc::DicomMap dicom; |
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366 MessagingToolbox::ConvertDataset(dicom, dataset); |
|
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367 |
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368 unsigned int frames; |
|
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369 if (!dicom.ParseUnsignedInteger32(frames, Orthanc::DICOM_TAG_NUMBER_OF_FRAMES)) |
|
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370 { |
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371 frames = 1; |
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372 } |
| 252 | 373 |
|
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374 for (unsigned int frame = 0; frame < frames; frame++) |
| 73 | 375 { |
|
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376 std::auto_ptr<Slice> slice(new Slice); |
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377 if (slice->ParseOrthancFrame(dicom, instances[i], frame)) |
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378 { |
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379 slices_.AddSlice(slice.release()); |
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380 } |
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381 else |
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382 { |
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383 LOG(WARNING) << "Skipping invalid frame " << frame << " within instance " << instances[i]; |
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384 } |
| 73 | 385 } |
| 386 } | |
| 252 | 387 |
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388 SortAndFinalizeSlices(); |
| 73 | 389 } |
| 252 | 390 |
| 391 | |
| 73 | 392 void OrthancSlicesLoader::ParseInstanceGeometry(const std::string& instanceId, |
| 393 const void* answer, | |
| 394 size_t size) | |
| 395 { | |
| 396 Json::Value tags; | |
| 397 if (!MessagingToolbox::ParseJson(tags, answer, size) || | |
| 398 tags.type() != Json::objectValue) | |
| 399 { | |
| 252 | 400 userCallback_.OnSliceGeometryError(*this); |
| 73 | 401 return; |
| 402 } | |
| 252 | 403 |
| 73 | 404 OrthancPlugins::FullOrthancDataset dataset(tags); |
| 252 | 405 |
|
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406 Orthanc::DicomMap dicom; |
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407 MessagingToolbox::ConvertDataset(dicom, dataset); |
| 252 | 408 |
|
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409 unsigned int frames; |
|
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410 if (!dicom.ParseUnsignedInteger32(frames, Orthanc::DICOM_TAG_NUMBER_OF_FRAMES)) |
|
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411 { |
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412 frames = 1; |
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413 } |
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414 |
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415 LOG(INFO) << "Instance " << instanceId << " contains " << frames << " frame(s)"; |
| 252 | 416 |
|
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417 for (unsigned int frame = 0; frame < frames; frame++) |
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418 { |
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419 std::auto_ptr<Slice> slice(new Slice); |
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420 if (slice->ParseOrthancFrame(dicom, instanceId, frame)) |
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421 { |
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422 slices_.AddSlice(slice.release()); |
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423 } |
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424 else |
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425 { |
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426 LOG(WARNING) << "Skipping invalid multi-frame instance " << instanceId; |
| 252 | 427 userCallback_.OnSliceGeometryError(*this); |
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428 return; |
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429 } |
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430 } |
| 252 | 431 |
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432 SortAndFinalizeSlices(); |
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433 } |
| 252 | 434 |
| 435 | |
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436 void OrthancSlicesLoader::ParseFrameGeometry(const std::string& instanceId, |
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437 unsigned int frame, |
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438 const void* answer, |
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439 size_t size) |
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440 { |
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441 Json::Value tags; |
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442 if (!MessagingToolbox::ParseJson(tags, answer, size) || |
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443 tags.type() != Json::objectValue) |
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444 { |
| 252 | 445 userCallback_.OnSliceGeometryError(*this); |
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446 return; |
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447 } |
| 252 | 448 |
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449 OrthancPlugins::FullOrthancDataset dataset(tags); |
| 252 | 450 |
| 73 | 451 state_ = State_GeometryReady; |
| 252 | 452 |
|
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453 Orthanc::DicomMap dicom; |
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454 MessagingToolbox::ConvertDataset(dicom, dataset); |
| 252 | 455 |
|
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456 std::auto_ptr<Slice> slice(new Slice); |
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457 if (slice->ParseOrthancFrame(dicom, instanceId, frame)) |
| 73 | 458 { |
| 459 LOG(INFO) << "Loaded instance " << instanceId; | |
|
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460 slices_.AddSlice(slice.release()); |
| 252 | 461 userCallback_.OnSliceGeometryReady(*this); |
| 73 | 462 } |
| 463 else | |
| 464 { | |
| 465 LOG(WARNING) << "Skipping invalid instance " << instanceId; | |
| 252 | 466 userCallback_.OnSliceGeometryError(*this); |
| 73 | 467 } |
| 468 } | |
| 252 | 469 |
| 470 | |
|
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471 void OrthancSlicesLoader::ParseSliceImagePng(const Operation& operation, |
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472 const void* answer, |
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473 size_t size) |
| 73 | 474 { |
| 99 | 475 std::auto_ptr<Orthanc::ImageAccessor> image; |
| 252 | 476 |
|
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477 try |
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478 { |
| 99 | 479 image.reset(new Orthanc::PngReader); |
| 480 dynamic_cast<Orthanc::PngReader&>(*image).ReadFromMemory(answer, size); | |
|
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481 } |
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482 catch (Orthanc::OrthancException&) |
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483 { |
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484 NotifySliceImageError(operation); |
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485 return; |
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486 } |
| 252 | 487 |
|
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488 if (image->GetWidth() != operation.GetSlice().GetWidth() || |
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489 image->GetHeight() != operation.GetSlice().GetHeight()) |
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490 { |
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491 NotifySliceImageError(operation); |
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492 return; |
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493 } |
| 252 | 494 |
|
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495 if (operation.GetSlice().GetConverter().GetExpectedPixelFormat() == |
| 73 | 496 Orthanc::PixelFormat_SignedGrayscale16) |
| 497 { | |
| 498 if (image->GetFormat() == Orthanc::PixelFormat_Grayscale16) | |
| 499 { | |
| 500 image->SetFormat(Orthanc::PixelFormat_SignedGrayscale16); | |
| 501 } | |
| 502 else | |
| 503 { | |
|
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504 NotifySliceImageError(operation); |
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505 return; |
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506 } |
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507 } |
| 252 | 508 |
| 99 | 509 NotifySliceImageSuccess(operation, image); |
| 252 | 510 } |
| 511 | |
|
100
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512 |
|
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513 void OrthancSlicesLoader::ParseSliceImageJpeg(const Operation& operation, |
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514 const void* answer, |
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515 size_t size) |
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516 { |
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517 Json::Value encoded; |
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518 if (!MessagingToolbox::ParseJson(encoded, answer, size) || |
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519 encoded.type() != Json::objectValue || |
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520 !encoded.isMember("Orthanc") || |
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521 encoded["Orthanc"].type() != Json::objectValue) |
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522 { |
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523 NotifySliceImageError(operation); |
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524 return; |
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525 } |
| 252 | 526 |
|
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527 Json::Value& info = encoded["Orthanc"]; |
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528 if (!info.isMember("PixelData") || |
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529 !info.isMember("Stretched") || |
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530 !info.isMember("Compression") || |
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531 info["Compression"].type() != Json::stringValue || |
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532 info["PixelData"].type() != Json::stringValue || |
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533 info["Stretched"].type() != Json::booleanValue || |
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534 info["Compression"].asString() != "Jpeg") |
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535 { |
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536 NotifySliceImageError(operation); |
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537 return; |
| 94 | 538 } |
| 252 | 539 |
|
93
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540 bool isSigned = false; |
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541 bool isStretched = info["Stretched"].asBool(); |
| 252 | 542 |
|
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543 if (info.isMember("IsSigned")) |
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544 { |
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545 if (info["IsSigned"].type() != Json::booleanValue) |
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546 { |
| 94 | 547 NotifySliceImageError(operation); |
| 548 return; | |
| 252 | 549 } |
|
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550 else |
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551 { |
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552 isSigned = info["IsSigned"].asBool(); |
| 73 | 553 } |
| 554 } | |
| 252 | 555 |
| 99 | 556 std::auto_ptr<Orthanc::ImageAccessor> reader; |
| 252 | 557 |
|
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558 { |
|
100
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559 std::string jpeg; |
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560 //Orthanc::Toolbox::DecodeBase64(jpeg, info["PixelData"].asString()); |
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561 jpeg = base64_decode(info["PixelData"].asString()); |
| 252 | 562 |
|
100
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563 try |
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564 { |
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565 reader.reset(new Orthanc::JpegReader); |
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566 dynamic_cast<Orthanc::JpegReader&>(*reader).ReadFromMemory(jpeg); |
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567 } |
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568 catch (Orthanc::OrthancException&) |
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569 { |
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570 NotifySliceImageError(operation); |
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571 return; |
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|
572 } |
|
93
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573 } |
| 252 | 574 |
|
93
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575 Orthanc::PixelFormat expectedFormat = |
| 252 | 576 operation.GetSlice().GetConverter().GetExpectedPixelFormat(); |
| 577 | |
|
93
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578 if (reader->GetFormat() == Orthanc::PixelFormat_RGB24) // This is a color image |
| 73 | 579 { |
|
93
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580 if (expectedFormat != Orthanc::PixelFormat_RGB24) |
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581 { |
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582 NotifySliceImageError(operation); |
|
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583 return; |
|
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584 } |
| 252 | 585 |
|
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586 if (isSigned || isStretched) |
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587 { |
|
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|
588 NotifySliceImageError(operation); |
|
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589 return; |
|
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590 } |
|
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591 else |
|
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|
592 { |
| 99 | 593 NotifySliceImageSuccess(operation, reader); |
|
93
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594 return; |
|
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595 } |
|
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|
596 } |
| 252 | 597 |
|
93
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598 if (reader->GetFormat() != Orthanc::PixelFormat_Grayscale8) |
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|
599 { |
|
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|
600 NotifySliceImageError(operation); |
|
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|
601 return; |
| 73 | 602 } |
| 252 | 603 |
|
93
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604 if (!isStretched) |
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605 { |
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|
606 if (expectedFormat != reader->GetFormat()) |
|
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diff
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|
607 { |
|
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|
608 NotifySliceImageError(operation); |
|
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|
609 return; |
|
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diff
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|
610 } |
|
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|
611 else |
|
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|
612 { |
| 99 | 613 NotifySliceImageSuccess(operation, reader); |
|
93
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614 return; |
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615 } |
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616 } |
| 252 | 617 |
|
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618 int32_t stretchLow = 0; |
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619 int32_t stretchHigh = 0; |
| 252 | 620 |
|
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621 if (!info.isMember("StretchLow") || |
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622 !info.isMember("StretchHigh") || |
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623 info["StretchLow"].type() != Json::intValue || |
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624 info["StretchHigh"].type() != Json::intValue) |
| 73 | 625 { |
|
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626 NotifySliceImageError(operation); |
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627 return; |
| 73 | 628 } |
| 252 | 629 |
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630 stretchLow = info["StretchLow"].asInt(); |
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631 stretchHigh = info["StretchHigh"].asInt(); |
| 252 | 632 |
|
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633 if (stretchLow < -32768 || |
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634 stretchHigh > 65535 || |
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635 (stretchLow < 0 && stretchHigh > 32767)) |
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636 { |
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637 // This range cannot be represented with a uint16_t or an int16_t |
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638 NotifySliceImageError(operation); |
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639 return; |
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640 } |
| 252 | 641 |
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642 // Decode a grayscale JPEG 8bpp image coming from the Web viewer |
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643 std::auto_ptr<Orthanc::ImageAccessor> image |
| 252 | 644 (new Orthanc::Image(expectedFormat, reader->GetWidth(), reader->GetHeight(), false)); |
| 645 | |
| 203 | 646 Orthanc::ImageProcessing::Convert(*image, *reader); |
| 647 reader.reset(NULL); | |
| 252 | 648 |
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649 float scaling = static_cast<float>(stretchHigh - stretchLow) / 255.0f; |
| 252 | 650 |
| 203 | 651 if (!LinearAlgebra::IsCloseToZero(scaling)) |
| 652 { | |
| 653 float offset = static_cast<float>(stretchLow) / scaling; | |
| 654 Orthanc::ImageProcessing::ShiftScale(*image, offset, scaling, true); | |
| 655 } | |
| 252 | 656 |
| 99 | 657 NotifySliceImageSuccess(operation, image); |
| 73 | 658 } |
| 252 | 659 |
| 660 | |
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661 class StringImage : |
| 252 | 662 public Orthanc::ImageAccessor, |
| 663 public boost::noncopyable | |
|
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664 { |
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665 private: |
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666 std::string buffer_; |
| 73 | 667 |
|
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668 public: |
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669 StringImage(Orthanc::PixelFormat format, |
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670 unsigned int width, |
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671 unsigned int height, |
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672 std::string& buffer) |
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673 { |
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674 if (buffer.size() != Orthanc::GetBytesPerPixel(format) * width * height) |
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675 { |
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676 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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677 } |
| 252 | 678 |
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679 buffer_.swap(buffer); // The source buffer is now empty |
| 252 | 680 |
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681 void* data = (buffer_.empty() ? NULL : &buffer_[0]); |
| 252 | 682 |
|
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683 AssignWritable(format, width, height, |
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684 Orthanc::GetBytesPerPixel(format) * width, data); |
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685 } |
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686 }; |
| 252 | 687 |
|
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688 |
|
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689 void OrthancSlicesLoader::ParseSliceRawImage(const Operation& operation, |
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690 const void* answer, |
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691 size_t size) |
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692 { |
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693 Orthanc::GzipCompressor compressor; |
| 252 | 694 |
|
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695 std::string raw; |
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696 compressor.Uncompress(raw, answer, size); |
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697 |
|
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698 const Orthanc::DicomImageInformation& info = operation.GetSlice().GetImageInformation(); |
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699 |
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700 if (info.GetBitsAllocated() == 32 && |
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701 info.GetBitsStored() == 32 && |
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702 info.GetHighBit() == 31 && |
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703 info.GetChannelCount() == 1 && |
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704 !info.IsSigned() && |
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705 info.GetPhotometricInterpretation() == Orthanc::PhotometricInterpretation_Monochrome2 && |
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706 raw.size() == info.GetWidth() * info.GetHeight() * 4) |
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707 { |
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708 // This is the case of RT-DOSE (uint32_t values) |
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709 |
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710 std::auto_ptr<Orthanc::ImageAccessor> image |
| 252 | 711 (new StringImage(Orthanc::PixelFormat_Grayscale32, info.GetWidth(), |
| 712 info.GetHeight(), raw)); | |
| 713 | |
|
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714 // TODO - Only for big endian |
|
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715 for (unsigned int y = 0; y < image->GetHeight(); y++) |
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716 { |
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717 uint32_t *p = reinterpret_cast<uint32_t*>(image->GetRow(y)); |
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718 for (unsigned int x = 0; x < image->GetWidth(); x++, p++) |
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719 { |
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720 *p = le32toh(*p); |
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721 } |
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722 } |
| 252 | 723 |
|
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724 NotifySliceImageSuccess(operation, image); |
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725 } |
|
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726 else if (info.GetBitsAllocated() == 16 && |
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727 info.GetBitsStored() == 16 && |
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728 info.GetHighBit() == 15 && |
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729 info.GetChannelCount() == 1 && |
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730 !info.IsSigned() && |
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731 info.GetPhotometricInterpretation() == Orthanc::PhotometricInterpretation_Monochrome2 && |
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732 raw.size() == info.GetWidth() * info.GetHeight() * 2) |
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733 { |
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734 std::auto_ptr<Orthanc::ImageAccessor> image |
| 252 | 735 (new StringImage(Orthanc::PixelFormat_Grayscale16, info.GetWidth(), |
| 736 info.GetHeight(), raw)); | |
| 737 | |
|
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738 // TODO - Big endian ? |
| 252 | 739 |
|
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740 NotifySliceImageSuccess(operation, image); |
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741 } |
|
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742 else |
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743 { |
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744 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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745 } |
| 252 | 746 |
|
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747 } |
| 252 | 748 |
| 749 | |
|
251
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750 OrthancSlicesLoader::OrthancSlicesLoader(MessageBroker& broker, |
| 252 | 751 ISliceLoaderObserver& callback, |
| 73 | 752 IWebService& orthanc) : |
|
251
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753 webCallback_(new WebCallback(broker, *this)), |
| 73 | 754 userCallback_(callback), |
| 755 orthanc_(orthanc), | |
| 756 state_(State_Initialization) | |
| 757 { | |
| 758 } | |
| 252 | 759 |
| 73 | 760 |
| 761 void OrthancSlicesLoader::ScheduleLoadSeries(const std::string& seriesId) | |
| 762 { | |
| 763 if (state_ != State_Initialization) | |
| 764 { | |
| 765 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 766 } | |
| 767 else | |
| 768 { | |
| 769 state_ = State_LoadingGeometry; | |
| 770 std::string uri = "/series/" + seriesId + "/instances-tags"; | |
| 771 orthanc_.ScheduleGetRequest(*webCallback_, uri, Operation::DownloadSeriesGeometry()); | |
| 772 } | |
| 773 } | |
| 252 | 774 |
| 775 | |
|
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776 void OrthancSlicesLoader::ScheduleLoadInstance(const std::string& instanceId) |
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777 { |
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778 if (state_ != State_Initialization) |
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779 { |
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780 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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781 } |
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782 else |
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783 { |
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784 state_ = State_LoadingGeometry; |
| 252 | 785 |
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786 // Tag "3004-000c" is "Grid Frame Offset Vector", which is |
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787 // mandatory to read RT DOSE, but is too long to be returned by default |
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788 std::string uri = "/instances/" + instanceId + "/tags?ignore-length=3004-000c"; |
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789 orthanc_.ScheduleGetRequest |
| 252 | 790 (*webCallback_, uri, Operation::DownloadInstanceGeometry(instanceId)); |
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791 } |
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792 } |
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793 |
| 252 | 794 |
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795 void OrthancSlicesLoader::ScheduleLoadFrame(const std::string& instanceId, |
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796 unsigned int frame) |
| 73 | 797 { |
| 798 if (state_ != State_Initialization) | |
| 799 { | |
| 800 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 801 } | |
| 802 else | |
| 803 { | |
| 804 state_ = State_LoadingGeometry; | |
| 805 std::string uri = "/instances/" + instanceId + "/tags"; | |
| 806 orthanc_.ScheduleGetRequest | |
| 252 | 807 (*webCallback_, uri, Operation::DownloadFrameGeometry(instanceId, frame)); |
| 73 | 808 } |
| 809 } | |
| 810 | |
| 252 | 811 |
| 77 | 812 bool OrthancSlicesLoader::IsGeometryReady() const |
| 813 { | |
| 814 return state_ == State_GeometryReady; | |
| 815 } | |
| 252 | 816 |
| 817 | |
| 73 | 818 size_t OrthancSlicesLoader::GetSliceCount() const |
| 819 { | |
| 820 if (state_ != State_GeometryReady) | |
| 821 { | |
| 822 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 823 } | |
| 252 | 824 |
| 73 | 825 return slices_.GetSliceCount(); |
| 826 } | |
| 252 | 827 |
| 73 | 828 |
| 829 const Slice& OrthancSlicesLoader::GetSlice(size_t index) const | |
| 830 { | |
| 831 if (state_ != State_GeometryReady) | |
| 832 { | |
| 833 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 834 } | |
| 252 | 835 |
| 73 | 836 return slices_.GetSlice(index); |
| 837 } | |
| 838 | |
| 252 | 839 |
| 77 | 840 bool OrthancSlicesLoader::LookupSlice(size_t& index, |
|
110
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841 const CoordinateSystem3D& plane) const |
| 77 | 842 { |
| 843 if (state_ != State_GeometryReady) | |
| 844 { | |
| 845 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 846 } | |
| 252 | 847 |
| 77 | 848 return slices_.LookupSlice(index, plane); |
| 849 } | |
| 850 | |
| 252 | 851 |
|
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852 void OrthancSlicesLoader::ScheduleSliceImagePng(const Slice& slice, |
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853 size_t index) |
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854 { |
| 252 | 855 std::string uri = ("/instances/" + slice.GetOrthancInstanceId() + "/frames/" + |
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856 boost::lexical_cast<std::string>(slice.GetFrame())); |
| 252 | 857 |
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858 switch (slice.GetConverter().GetExpectedPixelFormat()) |
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859 { |
| 252 | 860 case Orthanc::PixelFormat_RGB24: |
| 861 uri += "/preview"; | |
| 862 break; | |
| 863 | |
| 864 case Orthanc::PixelFormat_Grayscale16: | |
| 865 uri += "/image-uint16"; | |
| 866 break; | |
| 867 | |
| 868 case Orthanc::PixelFormat_SignedGrayscale16: | |
| 869 uri += "/image-int16"; | |
| 870 break; | |
| 871 | |
| 872 default: | |
| 873 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
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874 } |
| 252 | 875 |
|
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876 orthanc_.ScheduleGetRequest(*webCallback_, uri, |
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877 Operation::DownloadSliceImage(index, slice, SliceImageQuality_Full)); |
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878 } |
| 252 | 879 |
| 880 | |
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881 void OrthancSlicesLoader::ScheduleSliceImageJpeg(const Slice& slice, |
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882 size_t index, |
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883 SliceImageQuality quality) |
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884 { |
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885 unsigned int value; |
| 252 | 886 |
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887 switch (quality) |
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888 { |
| 252 | 889 case SliceImageQuality_Jpeg50: |
| 890 value = 50; | |
| 891 break; | |
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892 |
| 252 | 893 case SliceImageQuality_Jpeg90: |
| 894 value = 90; | |
| 895 break; | |
| 896 | |
| 897 case SliceImageQuality_Jpeg95: | |
| 898 value = 95; | |
| 899 break; | |
| 900 | |
| 901 default: | |
| 902 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
|
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903 } |
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904 |
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905 // This requires the official Web viewer plugin to be installed! |
| 252 | 906 std::string uri = ("/web-viewer/instances/jpeg" + |
| 907 boost::lexical_cast<std::string>(value) + | |
| 908 "-" + slice.GetOrthancInstanceId() + "_" + | |
|
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909 boost::lexical_cast<std::string>(slice.GetFrame())); |
| 252 | 910 |
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911 orthanc_.ScheduleGetRequest(*webCallback_, uri, |
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912 Operation::DownloadSliceImage(index, slice, quality)); |
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913 } |
| 252 | 914 |
| 915 | |
| 916 | |
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917 void OrthancSlicesLoader::ScheduleLoadSliceImage(size_t index, |
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918 SliceImageQuality quality) |
| 73 | 919 { |
| 920 if (state_ != State_GeometryReady) | |
| 921 { | |
| 922 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 923 } | |
| 252 | 924 |
|
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925 const Slice& slice = GetSlice(index); |
| 252 | 926 |
|
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927 if (slice.HasOrthancDecoding()) |
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928 { |
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929 if (quality == SliceImageQuality_Full) |
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930 { |
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931 ScheduleSliceImagePng(slice, index); |
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932 } |
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933 else |
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934 { |
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935 ScheduleSliceImageJpeg(slice, index, quality); |
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936 } |
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937 } |
| 73 | 938 else |
| 939 { | |
| 252 | 940 std::string uri = ("/instances/" + slice.GetOrthancInstanceId() + "/frames/" + |
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941 boost::lexical_cast<std::string>(slice.GetFrame()) + "/raw.gz"); |
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942 orthanc_.ScheduleGetRequest(*webCallback_, uri, |
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943 Operation::DownloadSliceRawImage(index, slice)); |
| 73 | 944 } |
| 945 } | |
| 946 } |