Mercurial > hg > orthanc-stone
annotate Framework/Toolbox/OrthancSlicesLoader.cpp @ 127:b963f3a9a86c wasm
fix static build
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 08 Nov 2017 17:53:55 +0100 |
parents | e66b2c757790 |
children | c993693e9e63 |
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 | |
127 | 26 #include <Core/Endianness.h> |
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27 #include <Core/Images/Image.h> |
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28 #include <Core/Images/ImageProcessing.h> |
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29 #include <Core/Images/JpegReader.h> |
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30 #include <Core/Images/PngReader.h> |
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31 #include <Core/Compression/GzipCompressor.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; |
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50 |
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51 std::vector<int> T(256,-1); |
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52 for (int i=0; i<64; i++) T["ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[i]] = i; |
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53 |
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54 int val=0, valb=-8; |
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55 for (unsigned char c : in) { |
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56 if (T[c] == -1) break; |
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57 val = (val<<6) + T[c]; |
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58 valb += 6; |
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59 if (valb>=0) { |
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60 out.push_back(char((val>>valb)&0xFF)); |
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61 valb-=8; |
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62 } |
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63 } |
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64 return out; |
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65 } |
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66 |
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67 |
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68 |
73 | 69 namespace OrthancStone |
70 { | |
71 class OrthancSlicesLoader::Operation : public Orthanc::IDynamicObject | |
72 { | |
73 private: | |
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74 Mode mode_; |
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75 unsigned int frame_; |
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76 unsigned int sliceIndex_; |
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77 const Slice* slice_; |
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78 std::string instanceId_; |
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79 SliceImageQuality quality_; |
73 | 80 |
81 Operation(Mode mode) : | |
82 mode_(mode) | |
83 { | |
84 } | |
85 | |
86 public: | |
87 Mode GetMode() const | |
88 { | |
89 return mode_; | |
90 } | |
91 | |
93
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92 SliceImageQuality GetQuality() const |
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93 { |
119
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94 assert(mode_ == Mode_LoadImage || |
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95 mode_ == Mode_LoadRawImage); |
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96 return quality_; |
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97 } |
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98 |
73 | 99 unsigned int GetSliceIndex() const |
100 { | |
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101 assert(mode_ == Mode_LoadImage || |
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102 mode_ == Mode_LoadRawImage); |
73 | 103 return sliceIndex_; |
104 } | |
105 | |
106 const Slice& GetSlice() const | |
107 { | |
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108 assert(mode_ == Mode_LoadImage || |
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109 mode_ == Mode_LoadRawImage); |
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110 assert(slice_ != NULL); |
73 | 111 return *slice_; |
112 } | |
113 | |
114 unsigned int GetFrame() const | |
115 { | |
117
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116 assert(mode_ == Mode_FrameGeometry); |
73 | 117 return frame_; |
118 } | |
119 | |
120 const std::string& GetInstanceId() const | |
121 { | |
117
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122 assert(mode_ == Mode_FrameGeometry || |
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123 mode_ == Mode_InstanceGeometry); |
73 | 124 return instanceId_; |
125 } | |
126 | |
127 static Operation* DownloadSeriesGeometry() | |
128 { | |
129 return new Operation(Mode_SeriesGeometry); | |
130 } | |
131 | |
117
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132 static Operation* DownloadInstanceGeometry(const std::string& instanceId) |
73 | 133 { |
134 std::auto_ptr<Operation> operation(new Operation(Mode_InstanceGeometry)); | |
135 operation->instanceId_ = instanceId; | |
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136 return operation.release(); |
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137 } |
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138 |
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139 static Operation* DownloadFrameGeometry(const std::string& instanceId, |
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140 unsigned int frame) |
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141 { |
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142 std::auto_ptr<Operation> operation(new Operation(Mode_FrameGeometry)); |
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143 operation->instanceId_ = instanceId; |
73 | 144 operation->frame_ = frame; |
145 return operation.release(); | |
146 } | |
147 | |
148 static Operation* DownloadSliceImage(unsigned int sliceIndex, | |
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149 const Slice& slice, |
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150 SliceImageQuality quality) |
73 | 151 { |
152 std::auto_ptr<Operation> tmp(new Operation(Mode_LoadImage)); | |
153 tmp->sliceIndex_ = sliceIndex; | |
154 tmp->slice_ = &slice; | |
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155 tmp->quality_ = quality; |
73 | 156 return tmp.release(); |
157 } | |
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158 |
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159 static Operation* DownloadSliceRawImage(unsigned int sliceIndex, |
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160 const Slice& slice) |
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161 { |
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162 std::auto_ptr<Operation> tmp(new Operation(Mode_LoadRawImage)); |
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163 tmp->sliceIndex_ = sliceIndex; |
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164 tmp->slice_ = &slice; |
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165 tmp->quality_ = SliceImageQuality_Full; |
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166 return tmp.release(); |
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167 } |
73 | 168 }; |
169 | |
170 | |
171 class OrthancSlicesLoader::WebCallback : public IWebService::ICallback | |
172 { | |
173 private: | |
174 OrthancSlicesLoader& that_; | |
175 | |
176 public: | |
177 WebCallback(OrthancSlicesLoader& that) : | |
178 that_(that) | |
179 { | |
180 } | |
181 | |
182 virtual void NotifySuccess(const std::string& uri, | |
183 const void* answer, | |
184 size_t answerSize, | |
185 Orthanc::IDynamicObject* payload) | |
186 { | |
187 std::auto_ptr<Operation> operation(dynamic_cast<Operation*>(payload)); | |
188 | |
189 switch (operation->GetMode()) | |
190 { | |
191 case Mode_SeriesGeometry: | |
192 that_.ParseSeriesGeometry(answer, answerSize); | |
193 break; | |
194 | |
195 case Mode_InstanceGeometry: | |
117
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196 that_.ParseInstanceGeometry(operation->GetInstanceId(), answer, answerSize); |
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197 break; |
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198 |
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199 case Mode_FrameGeometry: |
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200 that_.ParseFrameGeometry(operation->GetInstanceId(), |
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201 operation->GetFrame(), answer, answerSize); |
73 | 202 break; |
203 | |
204 case Mode_LoadImage: | |
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205 switch (operation->GetQuality()) |
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206 { |
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207 case SliceImageQuality_Full: |
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208 that_.ParseSliceImagePng(*operation, answer, answerSize); |
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209 break; |
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210 |
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211 case SliceImageQuality_Jpeg50: |
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212 case SliceImageQuality_Jpeg90: |
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213 case SliceImageQuality_Jpeg95: |
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214 that_.ParseSliceImageJpeg(*operation, answer, answerSize); |
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215 break; |
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216 |
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217 default: |
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218 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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219 } |
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220 |
73 | 221 break; |
222 | |
117
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223 case Mode_LoadRawImage: |
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224 that_.ParseSliceRawImage(*operation, answer, answerSize); |
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225 break; |
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226 |
73 | 227 default: |
228 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
229 } | |
230 } | |
231 | |
232 virtual void NotifyError(const std::string& uri, | |
233 Orthanc::IDynamicObject* payload) | |
234 { | |
235 std::auto_ptr<Operation> operation(dynamic_cast<Operation*>(payload)); | |
236 LOG(ERROR) << "Cannot download " << uri; | |
237 | |
238 switch (operation->GetMode()) | |
239 { | |
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240 case Mode_FrameGeometry: |
73 | 241 case Mode_SeriesGeometry: |
242 that_.userCallback_.NotifyGeometryError(that_); | |
243 that_.state_ = State_Error; | |
244 break; | |
245 | |
246 case Mode_LoadImage: | |
247 that_.userCallback_.NotifySliceImageError(that_, operation->GetSliceIndex(), | |
93
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248 operation->GetSlice(), |
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249 operation->GetQuality()); |
73 | 250 break; |
251 | |
252 default: | |
253 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
254 } | |
255 } | |
256 }; | |
257 | |
93
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258 |
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259 |
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260 void OrthancSlicesLoader::NotifySliceImageSuccess(const Operation& operation, |
99 | 261 std::auto_ptr<Orthanc::ImageAccessor>& image) const |
93
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262 { |
99 | 263 if (image.get() == NULL) |
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264 { |
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265 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); |
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266 } |
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267 else |
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268 { |
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269 userCallback_.NotifySliceImageReady |
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270 (*this, operation.GetSliceIndex(), operation.GetSlice(), image, operation.GetQuality()); |
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271 } |
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272 } |
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273 |
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274 |
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275 void OrthancSlicesLoader::NotifySliceImageError(const Operation& operation) const |
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276 { |
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277 userCallback_.NotifySliceImageError |
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278 (*this, operation.GetSliceIndex(), operation.GetSlice(), operation.GetQuality()); |
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279 } |
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280 |
120
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281 |
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282 void OrthancSlicesLoader::SortAndFinalizeSlices() |
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283 { |
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284 bool ok = false; |
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285 |
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286 if (slices_.GetSliceCount() > 0) |
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287 { |
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288 Vector normal; |
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289 if (slices_.SelectNormal(normal)) |
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290 { |
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291 slices_.FilterNormal(normal); |
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292 slices_.SetNormal(normal); |
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293 slices_.Sort(); |
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294 ok = true; |
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295 } |
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296 } |
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297 |
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298 state_ = State_GeometryReady; |
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299 |
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300 if (ok) |
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301 { |
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302 LOG(INFO) << "Loaded a series with " << slices_.GetSliceCount() << " slice(s)"; |
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303 userCallback_.NotifyGeometryReady(*this); |
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304 } |
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305 else |
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306 { |
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307 LOG(ERROR) << "This series is empty"; |
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308 userCallback_.NotifyGeometryError(*this); |
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309 } |
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310 } |
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311 |
73 | 312 |
313 void OrthancSlicesLoader::ParseSeriesGeometry(const void* answer, | |
314 size_t size) | |
315 { | |
316 Json::Value series; | |
317 if (!MessagingToolbox::ParseJson(series, answer, size) || | |
318 series.type() != Json::objectValue) | |
319 { | |
320 userCallback_.NotifyGeometryError(*this); | |
321 return; | |
322 } | |
323 | |
324 Json::Value::Members instances = series.getMemberNames(); | |
325 | |
326 slices_.Reserve(instances.size()); | |
327 | |
328 for (size_t i = 0; i < instances.size(); i++) | |
329 { | |
330 OrthancPlugins::FullOrthancDataset dataset(series[instances[i]]); | |
118
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331 |
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332 Orthanc::DicomMap dicom; |
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333 MessagingToolbox::ConvertDataset(dicom, dataset); |
117
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334 |
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335 unsigned int frames; |
118
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336 if (!dicom.ParseUnsignedInteger32(frames, Orthanc::DICOM_TAG_NUMBER_OF_FRAMES)) |
117
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337 { |
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338 frames = 1; |
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339 } |
73 | 340 |
117
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341 for (unsigned int frame = 0; frame < frames; frame++) |
73 | 342 { |
119
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343 std::auto_ptr<Slice> slice(new Slice); |
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344 if (slice->ParseOrthancFrame(dicom, instances[i], frame)) |
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345 { |
119
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346 slices_.AddSlice(slice.release()); |
117
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347 } |
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348 else |
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349 { |
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350 LOG(WARNING) << "Skipping invalid frame " << frame << " within instance " << instances[i]; |
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351 } |
73 | 352 } |
353 } | |
354 | |
120
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355 SortAndFinalizeSlices(); |
73 | 356 } |
357 | |
358 | |
359 void OrthancSlicesLoader::ParseInstanceGeometry(const std::string& instanceId, | |
360 const void* answer, | |
361 size_t size) | |
362 { | |
363 Json::Value tags; | |
364 if (!MessagingToolbox::ParseJson(tags, answer, size) || | |
365 tags.type() != Json::objectValue) | |
366 { | |
367 userCallback_.NotifyGeometryError(*this); | |
368 return; | |
369 } | |
370 | |
371 OrthancPlugins::FullOrthancDataset dataset(tags); | |
117
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372 |
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373 Orthanc::DicomMap dicom; |
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374 MessagingToolbox::ConvertDataset(dicom, dataset); |
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375 |
117
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376 unsigned int frames; |
118
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377 if (!dicom.ParseUnsignedInteger32(frames, Orthanc::DICOM_TAG_NUMBER_OF_FRAMES)) |
117
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378 { |
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379 frames = 1; |
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380 } |
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381 |
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382 LOG(INFO) << "Instance " << instanceId << " contains " << frames << " frame(s)"; |
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383 |
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384 for (unsigned int frame = 0; frame < frames; frame++) |
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385 { |
119
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386 std::auto_ptr<Slice> slice(new Slice); |
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387 if (slice->ParseOrthancFrame(dicom, instanceId, frame)) |
117
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388 { |
119
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389 slices_.AddSlice(slice.release()); |
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390 } |
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391 else |
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392 { |
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393 LOG(WARNING) << "Skipping invalid multi-frame instance " << instanceId; |
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394 userCallback_.NotifyGeometryError(*this); |
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395 return; |
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396 } |
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397 } |
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398 |
120
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399 SortAndFinalizeSlices(); |
117
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400 } |
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401 |
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402 |
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403 void OrthancSlicesLoader::ParseFrameGeometry(const std::string& instanceId, |
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404 unsigned int frame, |
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405 const void* answer, |
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406 size_t size) |
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407 { |
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408 Json::Value tags; |
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409 if (!MessagingToolbox::ParseJson(tags, answer, size) || |
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410 tags.type() != Json::objectValue) |
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411 { |
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412 userCallback_.NotifyGeometryError(*this); |
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413 return; |
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414 } |
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415 |
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416 OrthancPlugins::FullOrthancDataset dataset(tags); |
73 | 417 |
418 state_ = State_GeometryReady; | |
118
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419 |
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420 Orthanc::DicomMap dicom; |
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421 MessagingToolbox::ConvertDataset(dicom, dataset); |
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422 |
119
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423 std::auto_ptr<Slice> slice(new Slice); |
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424 if (slice->ParseOrthancFrame(dicom, instanceId, frame)) |
73 | 425 { |
426 LOG(INFO) << "Loaded instance " << instanceId; | |
119
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427 slices_.AddSlice(slice.release()); |
73 | 428 userCallback_.NotifyGeometryReady(*this); |
429 } | |
430 else | |
431 { | |
432 LOG(WARNING) << "Skipping invalid instance " << instanceId; | |
433 userCallback_.NotifyGeometryError(*this); | |
434 } | |
435 } | |
436 | |
437 | |
93
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438 void OrthancSlicesLoader::ParseSliceImagePng(const Operation& operation, |
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439 const void* answer, |
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440 size_t size) |
73 | 441 { |
99 | 442 std::auto_ptr<Orthanc::ImageAccessor> image; |
73 | 443 |
93
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444 try |
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445 { |
99 | 446 image.reset(new Orthanc::PngReader); |
447 dynamic_cast<Orthanc::PngReader&>(*image).ReadFromMemory(answer, size); | |
93
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448 } |
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449 catch (Orthanc::OrthancException&) |
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450 { |
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451 NotifySliceImageError(operation); |
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452 return; |
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453 } |
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454 |
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455 if (image->GetWidth() != operation.GetSlice().GetWidth() || |
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456 image->GetHeight() != operation.GetSlice().GetHeight()) |
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457 { |
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458 NotifySliceImageError(operation); |
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459 return; |
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460 } |
73 | 461 |
93
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462 if (operation.GetSlice().GetConverter().GetExpectedPixelFormat() == |
73 | 463 Orthanc::PixelFormat_SignedGrayscale16) |
464 { | |
465 if (image->GetFormat() == Orthanc::PixelFormat_Grayscale16) | |
466 { | |
467 image->SetFormat(Orthanc::PixelFormat_SignedGrayscale16); | |
468 } | |
469 else | |
470 { | |
93
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471 NotifySliceImageError(operation); |
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472 return; |
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473 } |
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474 } |
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475 |
99 | 476 NotifySliceImageSuccess(operation, image); |
100
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477 } |
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478 |
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479 |
93
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480 void OrthancSlicesLoader::ParseSliceImageJpeg(const Operation& operation, |
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481 const void* answer, |
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482 size_t size) |
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483 { |
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484 Json::Value encoded; |
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485 if (!MessagingToolbox::ParseJson(encoded, answer, size) || |
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486 encoded.type() != Json::objectValue || |
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487 !encoded.isMember("Orthanc") || |
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488 encoded["Orthanc"].type() != Json::objectValue) |
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489 { |
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490 NotifySliceImageError(operation); |
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491 return; |
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492 } |
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493 |
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494 Json::Value& info = encoded["Orthanc"]; |
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495 if (!info.isMember("PixelData") || |
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496 !info.isMember("Stretched") || |
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497 !info.isMember("Compression") || |
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498 info["Compression"].type() != Json::stringValue || |
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499 info["PixelData"].type() != Json::stringValue || |
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500 info["Stretched"].type() != Json::booleanValue || |
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501 info["Compression"].asString() != "Jpeg") |
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502 { |
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503 NotifySliceImageError(operation); |
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504 return; |
94 | 505 } |
93
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506 |
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507 bool isSigned = false; |
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508 bool isStretched = info["Stretched"].asBool(); |
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509 |
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510 if (info.isMember("IsSigned")) |
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511 { |
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512 if (info["IsSigned"].type() != Json::booleanValue) |
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513 { |
94 | 514 NotifySliceImageError(operation); |
515 return; | |
93
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516 } |
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517 else |
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518 { |
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519 isSigned = info["IsSigned"].asBool(); |
73 | 520 } |
521 } | |
522 | |
99 | 523 std::auto_ptr<Orthanc::ImageAccessor> reader; |
94 | 524 |
93
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525 { |
100
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526 std::string jpeg; |
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527 //Orthanc::Toolbox::DecodeBase64(jpeg, info["PixelData"].asString()); |
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528 jpeg = base64_decode(info["PixelData"].asString()); |
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529 |
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530 try |
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531 { |
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532 reader.reset(new Orthanc::JpegReader); |
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533 dynamic_cast<Orthanc::JpegReader&>(*reader).ReadFromMemory(jpeg); |
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534 } |
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535 catch (Orthanc::OrthancException&) |
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536 { |
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537 NotifySliceImageError(operation); |
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538 return; |
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539 } |
93
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540 } |
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541 |
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542 Orthanc::PixelFormat expectedFormat = |
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543 operation.GetSlice().GetConverter().GetExpectedPixelFormat(); |
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544 |
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545 if (reader->GetFormat() == Orthanc::PixelFormat_RGB24) // This is a color image |
73 | 546 { |
93
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547 if (expectedFormat != Orthanc::PixelFormat_RGB24) |
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548 { |
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549 NotifySliceImageError(operation); |
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550 return; |
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551 } |
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552 |
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553 if (isSigned || isStretched) |
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554 { |
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555 NotifySliceImageError(operation); |
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556 return; |
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|
557 } |
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558 else |
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559 { |
99 | 560 NotifySliceImageSuccess(operation, reader); |
93
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561 return; |
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562 } |
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563 } |
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564 |
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565 if (reader->GetFormat() != Orthanc::PixelFormat_Grayscale8) |
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566 { |
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567 NotifySliceImageError(operation); |
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568 return; |
73 | 569 } |
93
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570 |
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571 if (!isStretched) |
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572 { |
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573 if (expectedFormat != reader->GetFormat()) |
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574 { |
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575 NotifySliceImageError(operation); |
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576 return; |
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577 } |
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578 else |
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579 { |
99 | 580 NotifySliceImageSuccess(operation, reader); |
93
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581 return; |
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582 } |
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583 } |
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584 |
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585 int32_t stretchLow = 0; |
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586 int32_t stretchHigh = 0; |
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587 |
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588 if (!info.isMember("StretchLow") || |
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589 !info.isMember("StretchHigh") || |
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590 info["StretchLow"].type() != Json::intValue || |
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591 info["StretchHigh"].type() != Json::intValue) |
73 | 592 { |
93
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593 NotifySliceImageError(operation); |
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594 return; |
73 | 595 } |
93
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596 |
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597 stretchLow = info["StretchLow"].asInt(); |
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598 stretchHigh = info["StretchHigh"].asInt(); |
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599 |
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600 if (stretchLow < -32768 || |
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601 stretchHigh > 65535 || |
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602 (stretchLow < 0 && stretchHigh > 32767)) |
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603 { |
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604 // This range cannot be represented with a uint16_t or an int16_t |
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605 NotifySliceImageError(operation); |
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606 return; |
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607 } |
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|
608 |
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609 // Decode a grayscale JPEG 8bpp image coming from the Web viewer |
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610 std::auto_ptr<Orthanc::ImageAccessor> image |
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611 (new Orthanc::Image(expectedFormat, reader->GetWidth(), reader->GetHeight(), false)); |
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612 |
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613 float scaling = static_cast<float>(stretchHigh - stretchLow) / 255.0f; |
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614 float offset = static_cast<float>(stretchLow) / scaling; |
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615 |
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616 Orthanc::ImageProcessing::Convert(*image, *reader); |
94 | 617 reader.reset(NULL); |
618 | |
93
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619 Orthanc::ImageProcessing::ShiftScale(*image, offset, scaling); |
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620 |
99 | 621 NotifySliceImageSuccess(operation, image); |
73 | 622 } |
119
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623 |
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624 |
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625 class StringImage : |
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626 public Orthanc::ImageAccessor, |
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627 public boost::noncopyable |
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628 { |
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629 private: |
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630 std::string buffer_; |
73 | 631 |
119
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632 public: |
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633 StringImage(Orthanc::PixelFormat format, |
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634 unsigned int width, |
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635 unsigned int height, |
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636 std::string& buffer) |
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637 { |
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638 if (buffer.size() != Orthanc::GetBytesPerPixel(format) * width * height) |
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639 { |
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640 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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641 } |
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642 |
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643 buffer_.swap(buffer); // The source buffer is now empty |
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644 |
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645 void* data = (buffer_.empty() ? NULL : &buffer_[0]); |
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646 |
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647 AssignWritable(format, width, height, |
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648 Orthanc::GetBytesPerPixel(format) * width, data); |
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649 } |
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650 }; |
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651 |
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652 |
117
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653 void OrthancSlicesLoader::ParseSliceRawImage(const Operation& operation, |
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654 const void* answer, |
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655 size_t size) |
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656 { |
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657 Orthanc::GzipCompressor compressor; |
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658 |
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659 std::string raw; |
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660 compressor.Uncompress(raw, answer, size); |
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661 |
119
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662 const Orthanc::DicomImageInformation& info = operation.GetSlice().GetImageInformation(); |
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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" + |
93
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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 } |