Mercurial > hg > orthanc-stone
annotate Framework/Toolbox/OrthancSlicesLoader.cpp @ 120:063f7f3d9f14 wasm
fix 3d locations of the doses
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 04 Oct 2017 15:51:34 +0200 |
parents | ba83e38cf3ff |
children | e66b2c757790 |
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 | |
5 * Copyright (C) 2017 Osimis, Belgium | |
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. | |
16 * | |
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/Images/Image.h> |
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27 #include <Core/Images/ImageProcessing.h> |
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28 #include <Core/Images/JpegReader.h> |
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29 #include <Core/Images/PngReader.h> |
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30 #include <Core/Compression/GzipCompressor.h> |
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31 #include <Core/Logging.h> |
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32 #include <Core/OrthancException.h> |
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33 #include <Core/Toolbox.h> |
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34 #include <Plugins/Samples/Common/FullOrthancDataset.h> |
73 | 35 |
36 #include <boost/lexical_cast.hpp> | |
37 | |
100
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38 |
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39 |
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40 /** |
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41 * TODO This is a SLOW implementation of base64 decoding, because |
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42 * "Orthanc::Toolbox::DecodeBase64()" does not work properly with |
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43 * WASM. UNDERSTAND WHY. |
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44 * https://stackoverflow.com/a/34571089/881731 |
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45 **/ |
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46 static std::string base64_decode(const std::string &in) |
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47 { |
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48 std::string out; |
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49 |
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50 std::vector<int> T(256,-1); |
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51 for (int i=0; i<64; i++) T["ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[i]] = i; |
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52 |
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53 int val=0, valb=-8; |
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54 for (unsigned char c : in) { |
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55 if (T[c] == -1) break; |
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56 val = (val<<6) + T[c]; |
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57 valb += 6; |
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58 if (valb>=0) { |
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59 out.push_back(char((val>>valb)&0xFF)); |
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60 valb-=8; |
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61 } |
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62 } |
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63 return out; |
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64 } |
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65 |
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66 |
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67 |
73 | 68 namespace OrthancStone |
69 { | |
70 class OrthancSlicesLoader::Operation : public Orthanc::IDynamicObject | |
71 { | |
72 private: | |
93
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73 Mode mode_; |
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74 unsigned int frame_; |
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75 unsigned int sliceIndex_; |
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76 const Slice* slice_; |
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77 std::string instanceId_; |
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78 SliceImageQuality quality_; |
73 | 79 |
80 Operation(Mode mode) : | |
81 mode_(mode) | |
82 { | |
83 } | |
84 | |
85 public: | |
86 Mode GetMode() const | |
87 { | |
88 return mode_; | |
89 } | |
90 | |
93
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91 SliceImageQuality GetQuality() const |
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92 { |
119
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93 assert(mode_ == Mode_LoadImage || |
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94 mode_ == Mode_LoadRawImage); |
93
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95 return quality_; |
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96 } |
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97 |
73 | 98 unsigned int GetSliceIndex() const |
99 { | |
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100 assert(mode_ == Mode_LoadImage || |
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101 mode_ == Mode_LoadRawImage); |
73 | 102 return sliceIndex_; |
103 } | |
104 | |
105 const Slice& GetSlice() const | |
106 { | |
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107 assert(mode_ == Mode_LoadImage || |
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108 mode_ == Mode_LoadRawImage); |
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109 assert(slice_ != NULL); |
73 | 110 return *slice_; |
111 } | |
112 | |
113 unsigned int GetFrame() const | |
114 { | |
117
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115 assert(mode_ == Mode_FrameGeometry); |
73 | 116 return frame_; |
117 } | |
118 | |
119 const std::string& GetInstanceId() const | |
120 { | |
117
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121 assert(mode_ == Mode_FrameGeometry || |
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122 mode_ == Mode_InstanceGeometry); |
73 | 123 return instanceId_; |
124 } | |
125 | |
126 static Operation* DownloadSeriesGeometry() | |
127 { | |
128 return new Operation(Mode_SeriesGeometry); | |
129 } | |
130 | |
117
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131 static Operation* DownloadInstanceGeometry(const std::string& instanceId) |
73 | 132 { |
133 std::auto_ptr<Operation> operation(new Operation(Mode_InstanceGeometry)); | |
134 operation->instanceId_ = instanceId; | |
117
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135 return operation.release(); |
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136 } |
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137 |
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138 static Operation* DownloadFrameGeometry(const std::string& instanceId, |
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139 unsigned int frame) |
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140 { |
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141 std::auto_ptr<Operation> operation(new Operation(Mode_FrameGeometry)); |
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142 operation->instanceId_ = instanceId; |
73 | 143 operation->frame_ = frame; |
144 return operation.release(); | |
145 } | |
146 | |
147 static Operation* DownloadSliceImage(unsigned int sliceIndex, | |
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148 const Slice& slice, |
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149 SliceImageQuality quality) |
73 | 150 { |
151 std::auto_ptr<Operation> tmp(new Operation(Mode_LoadImage)); | |
152 tmp->sliceIndex_ = sliceIndex; | |
153 tmp->slice_ = &slice; | |
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154 tmp->quality_ = quality; |
73 | 155 return tmp.release(); |
156 } | |
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157 |
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158 static Operation* DownloadSliceRawImage(unsigned int sliceIndex, |
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159 const Slice& slice) |
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160 { |
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161 std::auto_ptr<Operation> tmp(new Operation(Mode_LoadRawImage)); |
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162 tmp->sliceIndex_ = sliceIndex; |
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163 tmp->slice_ = &slice; |
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164 tmp->quality_ = SliceImageQuality_Full; |
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165 return tmp.release(); |
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166 } |
73 | 167 }; |
168 | |
169 | |
170 class OrthancSlicesLoader::WebCallback : public IWebService::ICallback | |
171 { | |
172 private: | |
173 OrthancSlicesLoader& that_; | |
174 | |
175 public: | |
176 WebCallback(OrthancSlicesLoader& that) : | |
177 that_(that) | |
178 { | |
179 } | |
180 | |
181 virtual void NotifySuccess(const std::string& uri, | |
182 const void* answer, | |
183 size_t answerSize, | |
184 Orthanc::IDynamicObject* payload) | |
185 { | |
186 std::auto_ptr<Operation> operation(dynamic_cast<Operation*>(payload)); | |
187 | |
188 switch (operation->GetMode()) | |
189 { | |
190 case Mode_SeriesGeometry: | |
191 that_.ParseSeriesGeometry(answer, answerSize); | |
192 break; | |
193 | |
194 case Mode_InstanceGeometry: | |
117
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195 that_.ParseInstanceGeometry(operation->GetInstanceId(), answer, answerSize); |
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196 break; |
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197 |
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198 case Mode_FrameGeometry: |
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199 that_.ParseFrameGeometry(operation->GetInstanceId(), |
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200 operation->GetFrame(), answer, answerSize); |
73 | 201 break; |
202 | |
203 case Mode_LoadImage: | |
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204 switch (operation->GetQuality()) |
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205 { |
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206 case SliceImageQuality_Full: |
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207 that_.ParseSliceImagePng(*operation, answer, answerSize); |
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208 break; |
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209 |
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210 case SliceImageQuality_Jpeg50: |
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211 case SliceImageQuality_Jpeg90: |
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212 case SliceImageQuality_Jpeg95: |
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213 that_.ParseSliceImageJpeg(*operation, answer, answerSize); |
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214 break; |
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215 |
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216 default: |
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217 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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218 } |
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219 |
73 | 220 break; |
221 | |
117
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222 case Mode_LoadRawImage: |
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223 that_.ParseSliceRawImage(*operation, answer, answerSize); |
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224 break; |
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225 |
73 | 226 default: |
227 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
228 } | |
229 } | |
230 | |
231 virtual void NotifyError(const std::string& uri, | |
232 Orthanc::IDynamicObject* payload) | |
233 { | |
234 std::auto_ptr<Operation> operation(dynamic_cast<Operation*>(payload)); | |
235 LOG(ERROR) << "Cannot download " << uri; | |
236 | |
237 switch (operation->GetMode()) | |
238 { | |
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239 case Mode_FrameGeometry: |
73 | 240 case Mode_SeriesGeometry: |
241 that_.userCallback_.NotifyGeometryError(that_); | |
242 that_.state_ = State_Error; | |
243 break; | |
244 | |
245 case Mode_LoadImage: | |
246 that_.userCallback_.NotifySliceImageError(that_, operation->GetSliceIndex(), | |
93
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247 operation->GetSlice(), |
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248 operation->GetQuality()); |
73 | 249 break; |
250 | |
251 default: | |
252 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
253 } | |
254 } | |
255 }; | |
256 | |
93
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257 |
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258 |
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259 void OrthancSlicesLoader::NotifySliceImageSuccess(const Operation& operation, |
99 | 260 std::auto_ptr<Orthanc::ImageAccessor>& image) const |
93
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261 { |
99 | 262 if (image.get() == NULL) |
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263 { |
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264 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); |
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265 } |
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266 else |
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267 { |
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268 userCallback_.NotifySliceImageReady |
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269 (*this, operation.GetSliceIndex(), operation.GetSlice(), image, operation.GetQuality()); |
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270 } |
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271 } |
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272 |
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273 |
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274 void OrthancSlicesLoader::NotifySliceImageError(const Operation& operation) const |
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275 { |
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276 userCallback_.NotifySliceImageError |
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277 (*this, operation.GetSliceIndex(), operation.GetSlice(), operation.GetQuality()); |
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278 } |
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279 |
120
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280 |
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281 void OrthancSlicesLoader::SortAndFinalizeSlices() |
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282 { |
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283 bool ok = false; |
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284 |
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285 if (slices_.GetSliceCount() > 0) |
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286 { |
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287 Vector normal; |
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288 if (slices_.SelectNormal(normal)) |
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289 { |
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290 slices_.FilterNormal(normal); |
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291 slices_.SetNormal(normal); |
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292 slices_.Sort(); |
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293 ok = true; |
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294 } |
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295 } |
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296 |
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297 state_ = State_GeometryReady; |
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298 |
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299 if (ok) |
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300 { |
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301 LOG(INFO) << "Loaded a series with " << slices_.GetSliceCount() << " slice(s)"; |
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302 userCallback_.NotifyGeometryReady(*this); |
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303 } |
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304 else |
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305 { |
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306 LOG(ERROR) << "This series is empty"; |
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307 userCallback_.NotifyGeometryError(*this); |
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308 } |
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309 } |
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310 |
73 | 311 |
312 void OrthancSlicesLoader::ParseSeriesGeometry(const void* answer, | |
313 size_t size) | |
314 { | |
315 Json::Value series; | |
316 if (!MessagingToolbox::ParseJson(series, answer, size) || | |
317 series.type() != Json::objectValue) | |
318 { | |
319 userCallback_.NotifyGeometryError(*this); | |
320 return; | |
321 } | |
322 | |
323 Json::Value::Members instances = series.getMemberNames(); | |
324 | |
325 slices_.Reserve(instances.size()); | |
326 | |
327 for (size_t i = 0; i < instances.size(); i++) | |
328 { | |
329 OrthancPlugins::FullOrthancDataset dataset(series[instances[i]]); | |
118
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330 |
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331 Orthanc::DicomMap dicom; |
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332 MessagingToolbox::ConvertDataset(dicom, dataset); |
117
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333 |
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334 unsigned int frames; |
118
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335 if (!dicom.ParseUnsignedInteger32(frames, Orthanc::DICOM_TAG_NUMBER_OF_FRAMES)) |
117
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336 { |
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337 frames = 1; |
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338 } |
73 | 339 |
117
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340 for (unsigned int frame = 0; frame < frames; frame++) |
73 | 341 { |
119
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342 std::auto_ptr<Slice> slice(new Slice); |
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343 if (slice->ParseOrthancFrame(dicom, instances[i], frame)) |
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344 { |
119
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345 slices_.AddSlice(slice.release()); |
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346 } |
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347 else |
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348 { |
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349 LOG(WARNING) << "Skipping invalid frame " << frame << " within instance " << instances[i]; |
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350 } |
73 | 351 } |
352 } | |
353 | |
120
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354 SortAndFinalizeSlices(); |
73 | 355 } |
356 | |
357 | |
358 void OrthancSlicesLoader::ParseInstanceGeometry(const std::string& instanceId, | |
359 const void* answer, | |
360 size_t size) | |
361 { | |
362 Json::Value tags; | |
363 if (!MessagingToolbox::ParseJson(tags, answer, size) || | |
364 tags.type() != Json::objectValue) | |
365 { | |
366 userCallback_.NotifyGeometryError(*this); | |
367 return; | |
368 } | |
369 | |
370 OrthancPlugins::FullOrthancDataset dataset(tags); | |
117
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371 |
118
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372 Orthanc::DicomMap dicom; |
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373 MessagingToolbox::ConvertDataset(dicom, dataset); |
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374 |
117
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375 unsigned int frames; |
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376 if (!dicom.ParseUnsignedInteger32(frames, Orthanc::DICOM_TAG_NUMBER_OF_FRAMES)) |
117
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377 { |
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378 frames = 1; |
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379 } |
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380 |
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381 LOG(INFO) << "Instance " << instanceId << " contains " << frames << " frame(s)"; |
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382 |
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383 for (unsigned int frame = 0; frame < frames; frame++) |
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384 { |
119
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385 std::auto_ptr<Slice> slice(new Slice); |
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386 if (slice->ParseOrthancFrame(dicom, instanceId, frame)) |
117
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387 { |
119
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388 slices_.AddSlice(slice.release()); |
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389 } |
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390 else |
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391 { |
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392 LOG(WARNING) << "Skipping invalid multi-frame instance " << instanceId; |
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393 userCallback_.NotifyGeometryError(*this); |
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394 return; |
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395 } |
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396 } |
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397 |
120
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398 SortAndFinalizeSlices(); |
117
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399 } |
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400 |
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401 |
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402 void OrthancSlicesLoader::ParseFrameGeometry(const std::string& instanceId, |
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403 unsigned int frame, |
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404 const void* answer, |
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405 size_t size) |
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406 { |
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407 Json::Value tags; |
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408 if (!MessagingToolbox::ParseJson(tags, answer, size) || |
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409 tags.type() != Json::objectValue) |
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410 { |
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411 userCallback_.NotifyGeometryError(*this); |
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412 return; |
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413 } |
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414 |
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415 OrthancPlugins::FullOrthancDataset dataset(tags); |
73 | 416 |
417 state_ = State_GeometryReady; | |
118
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418 |
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419 Orthanc::DicomMap dicom; |
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420 MessagingToolbox::ConvertDataset(dicom, dataset); |
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421 |
119
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422 std::auto_ptr<Slice> slice(new Slice); |
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423 if (slice->ParseOrthancFrame(dicom, instanceId, frame)) |
73 | 424 { |
425 LOG(INFO) << "Loaded instance " << instanceId; | |
119
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426 slices_.AddSlice(slice.release()); |
73 | 427 userCallback_.NotifyGeometryReady(*this); |
428 } | |
429 else | |
430 { | |
431 LOG(WARNING) << "Skipping invalid instance " << instanceId; | |
432 userCallback_.NotifyGeometryError(*this); | |
433 } | |
434 } | |
435 | |
436 | |
93
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437 void OrthancSlicesLoader::ParseSliceImagePng(const Operation& operation, |
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438 const void* answer, |
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439 size_t size) |
73 | 440 { |
99 | 441 std::auto_ptr<Orthanc::ImageAccessor> image; |
73 | 442 |
93
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443 try |
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444 { |
99 | 445 image.reset(new Orthanc::PngReader); |
446 dynamic_cast<Orthanc::PngReader&>(*image).ReadFromMemory(answer, size); | |
93
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447 } |
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448 catch (Orthanc::OrthancException&) |
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449 { |
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450 NotifySliceImageError(operation); |
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451 return; |
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452 } |
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453 |
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454 if (image->GetWidth() != operation.GetSlice().GetWidth() || |
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455 image->GetHeight() != operation.GetSlice().GetHeight()) |
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456 { |
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457 NotifySliceImageError(operation); |
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458 return; |
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459 } |
73 | 460 |
93
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461 if (operation.GetSlice().GetConverter().GetExpectedPixelFormat() == |
73 | 462 Orthanc::PixelFormat_SignedGrayscale16) |
463 { | |
464 if (image->GetFormat() == Orthanc::PixelFormat_Grayscale16) | |
465 { | |
466 image->SetFormat(Orthanc::PixelFormat_SignedGrayscale16); | |
467 } | |
468 else | |
469 { | |
93
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470 NotifySliceImageError(operation); |
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471 return; |
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472 } |
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473 } |
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474 |
99 | 475 NotifySliceImageSuccess(operation, image); |
100
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476 } |
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477 |
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478 |
93
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479 void OrthancSlicesLoader::ParseSliceImageJpeg(const Operation& operation, |
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480 const void* answer, |
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481 size_t size) |
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482 { |
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483 Json::Value encoded; |
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484 if (!MessagingToolbox::ParseJson(encoded, answer, size) || |
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485 encoded.type() != Json::objectValue || |
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486 !encoded.isMember("Orthanc") || |
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487 encoded["Orthanc"].type() != Json::objectValue) |
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488 { |
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489 NotifySliceImageError(operation); |
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490 return; |
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491 } |
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492 |
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493 Json::Value& info = encoded["Orthanc"]; |
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494 if (!info.isMember("PixelData") || |
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495 !info.isMember("Stretched") || |
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496 !info.isMember("Compression") || |
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497 info["Compression"].type() != Json::stringValue || |
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498 info["PixelData"].type() != Json::stringValue || |
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499 info["Stretched"].type() != Json::booleanValue || |
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500 info["Compression"].asString() != "Jpeg") |
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501 { |
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502 NotifySliceImageError(operation); |
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503 return; |
94 | 504 } |
93
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505 |
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506 bool isSigned = false; |
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507 bool isStretched = info["Stretched"].asBool(); |
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508 |
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509 if (info.isMember("IsSigned")) |
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510 { |
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511 if (info["IsSigned"].type() != Json::booleanValue) |
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512 { |
94 | 513 NotifySliceImageError(operation); |
514 return; | |
93
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515 } |
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516 else |
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517 { |
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518 isSigned = info["IsSigned"].asBool(); |
73 | 519 } |
520 } | |
521 | |
99 | 522 std::auto_ptr<Orthanc::ImageAccessor> reader; |
94 | 523 |
93
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524 { |
100
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525 std::string jpeg; |
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526 //Orthanc::Toolbox::DecodeBase64(jpeg, info["PixelData"].asString()); |
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527 jpeg = base64_decode(info["PixelData"].asString()); |
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528 |
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529 try |
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530 { |
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531 reader.reset(new Orthanc::JpegReader); |
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532 dynamic_cast<Orthanc::JpegReader&>(*reader).ReadFromMemory(jpeg); |
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533 } |
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534 catch (Orthanc::OrthancException&) |
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535 { |
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536 NotifySliceImageError(operation); |
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537 return; |
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538 } |
93
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539 } |
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540 |
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541 Orthanc::PixelFormat expectedFormat = |
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542 operation.GetSlice().GetConverter().GetExpectedPixelFormat(); |
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543 |
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544 if (reader->GetFormat() == Orthanc::PixelFormat_RGB24) // This is a color image |
73 | 545 { |
93
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546 if (expectedFormat != Orthanc::PixelFormat_RGB24) |
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547 { |
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548 NotifySliceImageError(operation); |
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549 return; |
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550 } |
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551 |
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552 if (isSigned || isStretched) |
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553 { |
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554 NotifySliceImageError(operation); |
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555 return; |
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556 } |
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557 else |
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558 { |
99 | 559 NotifySliceImageSuccess(operation, reader); |
93
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560 return; |
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561 } |
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562 } |
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563 |
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564 if (reader->GetFormat() != Orthanc::PixelFormat_Grayscale8) |
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565 { |
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566 NotifySliceImageError(operation); |
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567 return; |
73 | 568 } |
93
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569 |
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570 if (!isStretched) |
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571 { |
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572 if (expectedFormat != reader->GetFormat()) |
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573 { |
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574 NotifySliceImageError(operation); |
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575 return; |
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576 } |
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577 else |
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578 { |
99 | 579 NotifySliceImageSuccess(operation, reader); |
93
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580 return; |
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581 } |
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582 } |
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583 |
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584 int32_t stretchLow = 0; |
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585 int32_t stretchHigh = 0; |
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586 |
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587 if (!info.isMember("StretchLow") || |
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588 !info.isMember("StretchHigh") || |
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589 info["StretchLow"].type() != Json::intValue || |
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590 info["StretchHigh"].type() != Json::intValue) |
73 | 591 { |
93
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592 NotifySliceImageError(operation); |
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593 return; |
73 | 594 } |
93
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595 |
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596 stretchLow = info["StretchLow"].asInt(); |
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597 stretchHigh = info["StretchHigh"].asInt(); |
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598 |
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599 if (stretchLow < -32768 || |
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600 stretchHigh > 65535 || |
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601 (stretchLow < 0 && stretchHigh > 32767)) |
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diff
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602 { |
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603 // This range cannot be represented with a uint16_t or an int16_t |
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604 NotifySliceImageError(operation); |
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605 return; |
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606 } |
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607 |
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608 // Decode a grayscale JPEG 8bpp image coming from the Web viewer |
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609 std::auto_ptr<Orthanc::ImageAccessor> image |
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610 (new Orthanc::Image(expectedFormat, reader->GetWidth(), reader->GetHeight(), false)); |
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611 |
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612 float scaling = static_cast<float>(stretchHigh - stretchLow) / 255.0f; |
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613 float offset = static_cast<float>(stretchLow) / scaling; |
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diff
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614 |
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615 Orthanc::ImageProcessing::Convert(*image, *reader); |
94 | 616 reader.reset(NULL); |
617 | |
93
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618 Orthanc::ImageProcessing::ShiftScale(*image, offset, scaling); |
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619 |
99 | 620 NotifySliceImageSuccess(operation, image); |
73 | 621 } |
119
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622 |
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623 |
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624 class StringImage : |
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625 public Orthanc::ImageAccessor, |
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626 public boost::noncopyable |
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627 { |
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628 private: |
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629 std::string buffer_; |
73 | 630 |
119
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631 public: |
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632 StringImage(Orthanc::PixelFormat format, |
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633 unsigned int width, |
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634 unsigned int height, |
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635 std::string& buffer) |
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636 { |
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637 if (buffer.size() != Orthanc::GetBytesPerPixel(format) * width * height) |
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638 { |
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639 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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640 } |
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641 |
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642 buffer_.swap(buffer); // The source buffer is now empty |
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643 |
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644 void* data = (buffer_.empty() ? NULL : &buffer_[0]); |
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645 |
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646 AssignWritable(format, width, height, |
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647 Orthanc::GetBytesPerPixel(format) * width, data); |
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648 } |
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649 }; |
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650 |
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651 |
117
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652 void OrthancSlicesLoader::ParseSliceRawImage(const Operation& operation, |
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653 const void* answer, |
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654 size_t size) |
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655 { |
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656 Orthanc::GzipCompressor compressor; |
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657 |
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658 std::string raw; |
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659 compressor.Uncompress(raw, answer, size); |
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660 |
119
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661 const Orthanc::DicomImageInformation& info = operation.GetSlice().GetImageInformation(); |
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662 unsigned int frame = operation.GetSlice().GetFrame(); |
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663 |
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664 if (info.GetBitsAllocated() == 32 && |
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665 info.GetBitsStored() == 32 && |
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666 info.GetHighBit() == 31 && |
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667 info.GetChannelCount() == 1 && |
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668 !info.IsSigned() && |
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669 info.GetPhotometricInterpretation() == Orthanc::PhotometricInterpretation_Monochrome2 && |
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670 raw.size() == info.GetWidth() * info.GetHeight() * 4) |
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671 { |
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672 // This is the case of RT-DOSE (uint32_t values) |
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673 |
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674 std::auto_ptr<Orthanc::ImageAccessor> image |
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675 (new StringImage(Orthanc::PixelFormat_Grayscale32, info.GetWidth(), |
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676 info.GetHeight(), raw)); |
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677 |
120
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678 // TODO - Only for big endian |
119
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679 for (unsigned int y = 0; y < image->GetHeight(); y++) |
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680 { |
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681 uint32_t *p = reinterpret_cast<uint32_t*>(image->GetRow(y)); |
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682 for (unsigned int x = 0; x < image->GetWidth(); x++, p++) |
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683 { |
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684 *p = le32toh(*p); |
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685 } |
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686 } |
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687 |
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688 NotifySliceImageSuccess(operation, image); |
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689 } |
120
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690 else if (info.GetBitsAllocated() == 16 && |
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691 info.GetBitsStored() == 16 && |
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692 info.GetHighBit() == 15 && |
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693 info.GetChannelCount() == 1 && |
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694 !info.IsSigned() && |
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695 info.GetPhotometricInterpretation() == Orthanc::PhotometricInterpretation_Monochrome2 && |
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696 raw.size() == info.GetWidth() * info.GetHeight() * 2) |
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697 { |
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698 std::auto_ptr<Orthanc::ImageAccessor> image |
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699 (new StringImage(Orthanc::PixelFormat_Grayscale16, info.GetWidth(), |
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700 info.GetHeight(), raw)); |
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701 |
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702 // TODO - Big endian ? |
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703 |
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704 NotifySliceImageSuccess(operation, image); |
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705 } |
119
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706 else |
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707 { |
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708 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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709 } |
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710 |
117
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711 } |
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712 |
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713 |
73 | 714 OrthancSlicesLoader::OrthancSlicesLoader(ICallback& callback, |
715 IWebService& orthanc) : | |
716 webCallback_(new WebCallback(*this)), | |
717 userCallback_(callback), | |
718 orthanc_(orthanc), | |
719 state_(State_Initialization) | |
720 { | |
721 } | |
722 | |
723 | |
724 void OrthancSlicesLoader::ScheduleLoadSeries(const std::string& seriesId) | |
725 { | |
726 if (state_ != State_Initialization) | |
727 { | |
728 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
729 } | |
730 else | |
731 { | |
732 state_ = State_LoadingGeometry; | |
733 std::string uri = "/series/" + seriesId + "/instances-tags"; | |
734 orthanc_.ScheduleGetRequest(*webCallback_, uri, Operation::DownloadSeriesGeometry()); | |
735 } | |
736 } | |
737 | |
738 | |
117
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739 void OrthancSlicesLoader::ScheduleLoadInstance(const std::string& instanceId) |
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740 { |
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741 if (state_ != State_Initialization) |
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742 { |
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743 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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744 } |
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745 else |
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746 { |
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747 state_ = State_LoadingGeometry; |
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748 |
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749 // Tag "3004-000c" is "Grid Frame Offset Vector", which is |
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750 // mandatory to read RT DOSE, but is too long to be returned by default |
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751 std::string uri = "/instances/" + instanceId + "/tags?ignore-length=3004-000c"; |
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752 orthanc_.ScheduleGetRequest |
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753 (*webCallback_, uri, Operation::DownloadInstanceGeometry(instanceId)); |
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754 } |
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755 } |
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756 |
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757 |
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758 void OrthancSlicesLoader::ScheduleLoadFrame(const std::string& instanceId, |
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759 unsigned int frame) |
73 | 760 { |
761 if (state_ != State_Initialization) | |
762 { | |
763 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
764 } | |
765 else | |
766 { | |
767 state_ = State_LoadingGeometry; | |
768 std::string uri = "/instances/" + instanceId + "/tags"; | |
769 orthanc_.ScheduleGetRequest | |
117
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770 (*webCallback_, uri, Operation::DownloadFrameGeometry(instanceId, frame)); |
73 | 771 } |
772 } | |
773 | |
774 | |
77 | 775 bool OrthancSlicesLoader::IsGeometryReady() const |
776 { | |
777 return state_ == State_GeometryReady; | |
778 } | |
779 | |
780 | |
73 | 781 size_t OrthancSlicesLoader::GetSliceCount() const |
782 { | |
783 if (state_ != State_GeometryReady) | |
784 { | |
785 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
786 } | |
787 | |
788 return slices_.GetSliceCount(); | |
789 } | |
790 | |
791 | |
792 const Slice& OrthancSlicesLoader::GetSlice(size_t index) const | |
793 { | |
794 if (state_ != State_GeometryReady) | |
795 { | |
796 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
797 } | |
798 | |
799 return slices_.GetSlice(index); | |
800 } | |
801 | |
802 | |
77 | 803 bool OrthancSlicesLoader::LookupSlice(size_t& index, |
110
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804 const CoordinateSystem3D& plane) const |
77 | 805 { |
806 if (state_ != State_GeometryReady) | |
807 { | |
808 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
809 } | |
810 | |
811 return slices_.LookupSlice(index, plane); | |
812 } | |
813 | |
814 | |
117
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815 void OrthancSlicesLoader::ScheduleSliceImagePng(const Slice& slice, |
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816 size_t index) |
93
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817 { |
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818 std::string uri = ("/instances/" + slice.GetOrthancInstanceId() + "/frames/" + |
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819 boost::lexical_cast<std::string>(slice.GetFrame())); |
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820 |
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821 switch (slice.GetConverter().GetExpectedPixelFormat()) |
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822 { |
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823 case Orthanc::PixelFormat_RGB24: |
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824 uri += "/preview"; |
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825 break; |
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826 |
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827 case Orthanc::PixelFormat_Grayscale16: |
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828 uri += "/image-uint16"; |
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829 break; |
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830 |
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831 case Orthanc::PixelFormat_SignedGrayscale16: |
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832 uri += "/image-int16"; |
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833 break; |
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834 |
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835 default: |
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836 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
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837 } |
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838 |
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839 orthanc_.ScheduleGetRequest(*webCallback_, uri, |
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840 Operation::DownloadSliceImage(index, slice, SliceImageQuality_Full)); |
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841 } |
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842 |
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843 |
117
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844 void OrthancSlicesLoader::ScheduleSliceImageJpeg(const Slice& slice, |
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845 size_t index, |
93
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846 SliceImageQuality quality) |
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847 { |
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848 unsigned int value; |
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diff
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849 |
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850 switch (quality) |
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851 { |
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852 case SliceImageQuality_Jpeg50: |
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853 value = 50; |
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854 break; |
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855 |
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856 case SliceImageQuality_Jpeg90: |
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857 value = 90; |
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858 break; |
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859 |
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860 case SliceImageQuality_Jpeg95: |
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861 value = 95; |
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862 break; |
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863 |
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864 default: |
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865 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
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866 } |
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867 |
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868 // This requires the official Web viewer plugin to be installed! |
94 | 869 std::string uri = ("/web-viewer/instances/jpeg" + |
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870 boost::lexical_cast<std::string>(value) + |
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871 "-" + slice.GetOrthancInstanceId() + "_" + |
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872 boost::lexical_cast<std::string>(slice.GetFrame())); |
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873 |
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874 orthanc_.ScheduleGetRequest(*webCallback_, uri, |
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875 Operation::DownloadSliceImage(index, slice, quality)); |
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876 } |
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877 |
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878 |
117
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879 |
93
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880 void OrthancSlicesLoader::ScheduleLoadSliceImage(size_t index, |
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881 SliceImageQuality quality) |
73 | 882 { |
883 if (state_ != State_GeometryReady) | |
884 { | |
885 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
886 } | |
93
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887 |
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888 const Slice& slice = GetSlice(index); |
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889 |
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890 if (slice.HasOrthancDecoding()) |
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891 { |
117
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892 if (quality == SliceImageQuality_Full) |
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893 { |
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894 ScheduleSliceImagePng(slice, index); |
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895 } |
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896 else |
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897 { |
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898 ScheduleSliceImageJpeg(slice, index, quality); |
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899 } |
93
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900 } |
73 | 901 else |
902 { | |
117
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903 std::string uri = ("/instances/" + slice.GetOrthancInstanceId() + "/frames/" + |
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904 boost::lexical_cast<std::string>(slice.GetFrame()) + "/raw.gz"); |
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905 orthanc_.ScheduleGetRequest(*webCallback_, uri, |
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906 Operation::DownloadSliceRawImage(index, slice)); |
73 | 907 } |
908 } | |
909 } |