Mercurial > hg > orthanc-stone
annotate Framework/Toolbox/OrthancSlicesLoader.cpp @ 251:192e6e349e69 am-2
first usage of new message system (in SDL only)
author | am@osimis.io |
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date | Mon, 02 Jul 2018 18:13:46 +0200 |
parents | 5412adf19980 |
children | 40b21c1f8b8d |
rev | line source |
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73 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
135
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
73 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
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/Compression/GzipCompressor.h> |
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27 #include <Core/Endianness.h> |
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28 #include <Core/Images/Image.h> |
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29 #include <Core/Images/ImageProcessing.h> |
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30 #include <Core/Images/JpegReader.h> |
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31 #include <Core/Images/PngReader.h> |
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32 #include <Core/Logging.h> |
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33 #include <Core/OrthancException.h> |
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34 #include <Core/Toolbox.h> |
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35 #include <Plugins/Samples/Common/FullOrthancDataset.h> |
73 | 36 |
37 #include <boost/lexical_cast.hpp> | |
38 | |
100
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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; |
128 | 55 for (size_t i = 0; i < in.size(); i++) { |
56 unsigned char c = in[i]; | |
100
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57 if (T[c] == -1) break; |
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58 val = (val<<6) + T[c]; |
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59 valb += 6; |
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60 if (valb>=0) { |
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61 out.push_back(char((val>>valb)&0xFF)); |
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62 valb-=8; |
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63 } |
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64 } |
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65 return out; |
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66 } |
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67 |
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68 |
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69 |
73 | 70 namespace OrthancStone |
71 { | |
72 class OrthancSlicesLoader::Operation : public Orthanc::IDynamicObject | |
73 { | |
74 private: | |
93
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75 Mode mode_; |
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76 unsigned int frame_; |
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77 unsigned int sliceIndex_; |
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78 const Slice* slice_; |
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79 std::string instanceId_; |
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80 SliceImageQuality quality_; |
73 | 81 |
82 Operation(Mode mode) : | |
83 mode_(mode) | |
84 { | |
85 } | |
86 | |
87 public: | |
88 Mode GetMode() const | |
89 { | |
90 return mode_; | |
91 } | |
92 | |
93
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93 SliceImageQuality GetQuality() const |
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94 { |
119
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95 assert(mode_ == Mode_LoadImage || |
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96 mode_ == Mode_LoadRawImage); |
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97 return quality_; |
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98 } |
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99 |
73 | 100 unsigned int GetSliceIndex() const |
101 { | |
117
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102 assert(mode_ == Mode_LoadImage || |
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103 mode_ == Mode_LoadRawImage); |
73 | 104 return sliceIndex_; |
105 } | |
106 | |
107 const Slice& GetSlice() const | |
108 { | |
117
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109 assert(mode_ == Mode_LoadImage || |
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110 mode_ == Mode_LoadRawImage); |
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111 assert(slice_ != NULL); |
73 | 112 return *slice_; |
113 } | |
114 | |
115 unsigned int GetFrame() const | |
116 { | |
117
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117 assert(mode_ == Mode_FrameGeometry); |
73 | 118 return frame_; |
119 } | |
120 | |
121 const std::string& GetInstanceId() const | |
122 { | |
117
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123 assert(mode_ == Mode_FrameGeometry || |
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124 mode_ == Mode_InstanceGeometry); |
73 | 125 return instanceId_; |
126 } | |
127 | |
128 static Operation* DownloadSeriesGeometry() | |
129 { | |
130 return new Operation(Mode_SeriesGeometry); | |
131 } | |
132 | |
117
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133 static Operation* DownloadInstanceGeometry(const std::string& instanceId) |
73 | 134 { |
135 std::auto_ptr<Operation> operation(new Operation(Mode_InstanceGeometry)); | |
136 operation->instanceId_ = instanceId; | |
117
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137 return operation.release(); |
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138 } |
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139 |
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140 static Operation* DownloadFrameGeometry(const std::string& instanceId, |
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141 unsigned int frame) |
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142 { |
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143 std::auto_ptr<Operation> operation(new Operation(Mode_FrameGeometry)); |
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144 operation->instanceId_ = instanceId; |
73 | 145 operation->frame_ = frame; |
146 return operation.release(); | |
147 } | |
148 | |
149 static Operation* DownloadSliceImage(unsigned int sliceIndex, | |
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150 const Slice& slice, |
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151 SliceImageQuality quality) |
73 | 152 { |
153 std::auto_ptr<Operation> tmp(new Operation(Mode_LoadImage)); | |
154 tmp->sliceIndex_ = sliceIndex; | |
155 tmp->slice_ = &slice; | |
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156 tmp->quality_ = quality; |
73 | 157 return tmp.release(); |
158 } | |
117
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159 |
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160 static Operation* DownloadSliceRawImage(unsigned int sliceIndex, |
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161 const Slice& slice) |
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162 { |
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163 std::auto_ptr<Operation> tmp(new Operation(Mode_LoadRawImage)); |
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164 tmp->sliceIndex_ = sliceIndex; |
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165 tmp->slice_ = &slice; |
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166 tmp->quality_ = SliceImageQuality_Full; |
117
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167 return tmp.release(); |
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168 } |
73 | 169 }; |
170 | |
171 | |
172 class OrthancSlicesLoader::WebCallback : public IWebService::ICallback | |
173 { | |
174 private: | |
175 OrthancSlicesLoader& that_; | |
176 | |
177 public: | |
251
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178 WebCallback(MessageBroker& broker, OrthancSlicesLoader& that) : |
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179 IWebService::ICallback(broker), |
73 | 180 that_(that) |
181 { | |
182 } | |
183 | |
251
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184 virtual void OnHttpRequestSuccess(const std::string& uri, |
73 | 185 const void* answer, |
186 size_t answerSize, | |
187 Orthanc::IDynamicObject* payload) | |
188 { | |
189 std::auto_ptr<Operation> operation(dynamic_cast<Operation*>(payload)); | |
190 | |
191 switch (operation->GetMode()) | |
192 { | |
193 case Mode_SeriesGeometry: | |
194 that_.ParseSeriesGeometry(answer, answerSize); | |
195 break; | |
196 | |
197 case Mode_InstanceGeometry: | |
117
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198 that_.ParseInstanceGeometry(operation->GetInstanceId(), answer, answerSize); |
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199 break; |
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200 |
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201 case Mode_FrameGeometry: |
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202 that_.ParseFrameGeometry(operation->GetInstanceId(), |
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203 operation->GetFrame(), answer, answerSize); |
73 | 204 break; |
205 | |
206 case Mode_LoadImage: | |
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207 switch (operation->GetQuality()) |
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208 { |
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209 case SliceImageQuality_Full: |
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210 that_.ParseSliceImagePng(*operation, answer, answerSize); |
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211 break; |
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212 |
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213 case SliceImageQuality_Jpeg50: |
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214 case SliceImageQuality_Jpeg90: |
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215 case SliceImageQuality_Jpeg95: |
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216 that_.ParseSliceImageJpeg(*operation, answer, answerSize); |
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217 break; |
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218 |
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219 default: |
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220 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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221 } |
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222 |
73 | 223 break; |
224 | |
117
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225 case Mode_LoadRawImage: |
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226 that_.ParseSliceRawImage(*operation, answer, answerSize); |
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227 break; |
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228 |
73 | 229 default: |
230 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
231 } | |
232 } | |
233 | |
251
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234 virtual void OnHttpRequestError(const std::string& uri, |
73 | 235 Orthanc::IDynamicObject* payload) |
236 { | |
237 std::auto_ptr<Operation> operation(dynamic_cast<Operation*>(payload)); | |
238 LOG(ERROR) << "Cannot download " << uri; | |
239 | |
240 switch (operation->GetMode()) | |
241 { | |
117
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242 case Mode_FrameGeometry: |
73 | 243 case Mode_SeriesGeometry: |
244 that_.userCallback_.NotifyGeometryError(that_); | |
245 that_.state_ = State_Error; | |
246 break; | |
247 | |
248 case Mode_LoadImage: | |
249 that_.userCallback_.NotifySliceImageError(that_, operation->GetSliceIndex(), | |
93
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250 operation->GetSlice(), |
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251 operation->GetQuality()); |
73 | 252 break; |
253 | |
254 default: | |
255 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
256 } | |
257 } | |
258 }; | |
259 | |
93
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260 |
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261 |
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262 void OrthancSlicesLoader::NotifySliceImageSuccess(const Operation& operation, |
99 | 263 std::auto_ptr<Orthanc::ImageAccessor>& image) const |
93
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264 { |
99 | 265 if (image.get() == NULL) |
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266 { |
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267 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); |
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268 } |
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269 else |
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270 { |
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271 userCallback_.NotifySliceImageReady |
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272 (*this, operation.GetSliceIndex(), operation.GetSlice(), image, operation.GetQuality()); |
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273 } |
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274 } |
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275 |
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276 |
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277 void OrthancSlicesLoader::NotifySliceImageError(const Operation& operation) const |
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278 { |
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279 userCallback_.NotifySliceImageError |
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280 (*this, operation.GetSliceIndex(), operation.GetSlice(), operation.GetQuality()); |
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281 } |
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282 |
120
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283 |
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284 void OrthancSlicesLoader::SortAndFinalizeSlices() |
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285 { |
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286 bool ok = false; |
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287 |
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288 if (slices_.GetSliceCount() > 0) |
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289 { |
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290 Vector normal; |
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291 if (slices_.SelectNormal(normal)) |
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292 { |
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293 slices_.FilterNormal(normal); |
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294 slices_.SetNormal(normal); |
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295 slices_.Sort(); |
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296 ok = true; |
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297 } |
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298 } |
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299 |
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300 state_ = State_GeometryReady; |
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301 |
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302 if (ok) |
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303 { |
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304 LOG(INFO) << "Loaded a series with " << slices_.GetSliceCount() << " slice(s)"; |
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305 userCallback_.NotifyGeometryReady(*this); |
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306 } |
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307 else |
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308 { |
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309 LOG(ERROR) << "This series is empty"; |
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310 userCallback_.NotifyGeometryError(*this); |
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311 } |
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312 } |
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313 |
73 | 314 |
315 void OrthancSlicesLoader::ParseSeriesGeometry(const void* answer, | |
316 size_t size) | |
317 { | |
318 Json::Value series; | |
319 if (!MessagingToolbox::ParseJson(series, answer, size) || | |
320 series.type() != Json::objectValue) | |
321 { | |
322 userCallback_.NotifyGeometryError(*this); | |
323 return; | |
324 } | |
325 | |
326 Json::Value::Members instances = series.getMemberNames(); | |
327 | |
328 slices_.Reserve(instances.size()); | |
329 | |
330 for (size_t i = 0; i < instances.size(); i++) | |
331 { | |
332 OrthancPlugins::FullOrthancDataset dataset(series[instances[i]]); | |
118
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333 |
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334 Orthanc::DicomMap dicom; |
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335 MessagingToolbox::ConvertDataset(dicom, dataset); |
117
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336 |
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337 unsigned int frames; |
118
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338 if (!dicom.ParseUnsignedInteger32(frames, Orthanc::DICOM_TAG_NUMBER_OF_FRAMES)) |
117
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339 { |
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340 frames = 1; |
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341 } |
73 | 342 |
117
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343 for (unsigned int frame = 0; frame < frames; frame++) |
73 | 344 { |
119
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345 std::auto_ptr<Slice> slice(new Slice); |
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346 if (slice->ParseOrthancFrame(dicom, instances[i], frame)) |
117
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347 { |
119
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348 slices_.AddSlice(slice.release()); |
117
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349 } |
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350 else |
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351 { |
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352 LOG(WARNING) << "Skipping invalid frame " << frame << " within instance " << instances[i]; |
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353 } |
73 | 354 } |
355 } | |
356 | |
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357 SortAndFinalizeSlices(); |
73 | 358 } |
359 | |
360 | |
361 void OrthancSlicesLoader::ParseInstanceGeometry(const std::string& instanceId, | |
362 const void* answer, | |
363 size_t size) | |
364 { | |
365 Json::Value tags; | |
366 if (!MessagingToolbox::ParseJson(tags, answer, size) || | |
367 tags.type() != Json::objectValue) | |
368 { | |
369 userCallback_.NotifyGeometryError(*this); | |
370 return; | |
371 } | |
372 | |
373 OrthancPlugins::FullOrthancDataset dataset(tags); | |
117
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374 |
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375 Orthanc::DicomMap dicom; |
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376 MessagingToolbox::ConvertDataset(dicom, dataset); |
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377 |
117
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378 unsigned int frames; |
118
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379 if (!dicom.ParseUnsignedInteger32(frames, Orthanc::DICOM_TAG_NUMBER_OF_FRAMES)) |
117
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380 { |
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381 frames = 1; |
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382 } |
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383 |
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384 LOG(INFO) << "Instance " << instanceId << " contains " << frames << " frame(s)"; |
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385 |
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386 for (unsigned int frame = 0; frame < frames; frame++) |
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387 { |
119
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388 std::auto_ptr<Slice> slice(new Slice); |
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389 if (slice->ParseOrthancFrame(dicom, instanceId, frame)) |
117
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390 { |
119
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391 slices_.AddSlice(slice.release()); |
117
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392 } |
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393 else |
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394 { |
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395 LOG(WARNING) << "Skipping invalid multi-frame instance " << instanceId; |
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396 userCallback_.NotifyGeometryError(*this); |
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397 return; |
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398 } |
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399 } |
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400 |
120
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401 SortAndFinalizeSlices(); |
117
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402 } |
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403 |
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404 |
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405 void OrthancSlicesLoader::ParseFrameGeometry(const std::string& instanceId, |
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406 unsigned int frame, |
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407 const void* answer, |
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408 size_t size) |
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409 { |
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410 Json::Value tags; |
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411 if (!MessagingToolbox::ParseJson(tags, answer, size) || |
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412 tags.type() != Json::objectValue) |
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413 { |
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414 userCallback_.NotifyGeometryError(*this); |
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415 return; |
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416 } |
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417 |
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418 OrthancPlugins::FullOrthancDataset dataset(tags); |
73 | 419 |
420 state_ = State_GeometryReady; | |
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421 |
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422 Orthanc::DicomMap dicom; |
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423 MessagingToolbox::ConvertDataset(dicom, dataset); |
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424 |
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425 std::auto_ptr<Slice> slice(new Slice); |
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426 if (slice->ParseOrthancFrame(dicom, instanceId, frame)) |
73 | 427 { |
428 LOG(INFO) << "Loaded instance " << instanceId; | |
119
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429 slices_.AddSlice(slice.release()); |
73 | 430 userCallback_.NotifyGeometryReady(*this); |
431 } | |
432 else | |
433 { | |
434 LOG(WARNING) << "Skipping invalid instance " << instanceId; | |
435 userCallback_.NotifyGeometryError(*this); | |
436 } | |
437 } | |
438 | |
439 | |
93
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440 void OrthancSlicesLoader::ParseSliceImagePng(const Operation& operation, |
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441 const void* answer, |
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442 size_t size) |
73 | 443 { |
99 | 444 std::auto_ptr<Orthanc::ImageAccessor> image; |
73 | 445 |
93
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446 try |
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447 { |
99 | 448 image.reset(new Orthanc::PngReader); |
449 dynamic_cast<Orthanc::PngReader&>(*image).ReadFromMemory(answer, size); | |
93
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450 } |
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451 catch (Orthanc::OrthancException&) |
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452 { |
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453 NotifySliceImageError(operation); |
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454 return; |
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455 } |
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456 |
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457 if (image->GetWidth() != operation.GetSlice().GetWidth() || |
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458 image->GetHeight() != operation.GetSlice().GetHeight()) |
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459 { |
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460 NotifySliceImageError(operation); |
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461 return; |
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462 } |
73 | 463 |
93
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464 if (operation.GetSlice().GetConverter().GetExpectedPixelFormat() == |
73 | 465 Orthanc::PixelFormat_SignedGrayscale16) |
466 { | |
467 if (image->GetFormat() == Orthanc::PixelFormat_Grayscale16) | |
468 { | |
469 image->SetFormat(Orthanc::PixelFormat_SignedGrayscale16); | |
470 } | |
471 else | |
472 { | |
93
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473 NotifySliceImageError(operation); |
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474 return; |
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475 } |
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476 } |
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477 |
99 | 478 NotifySliceImageSuccess(operation, image); |
100
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479 } |
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480 |
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481 |
93
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482 void OrthancSlicesLoader::ParseSliceImageJpeg(const Operation& operation, |
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483 const void* answer, |
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484 size_t size) |
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485 { |
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486 Json::Value encoded; |
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487 if (!MessagingToolbox::ParseJson(encoded, answer, size) || |
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488 encoded.type() != Json::objectValue || |
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489 !encoded.isMember("Orthanc") || |
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490 encoded["Orthanc"].type() != Json::objectValue) |
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491 { |
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492 NotifySliceImageError(operation); |
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493 return; |
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494 } |
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495 |
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496 Json::Value& info = encoded["Orthanc"]; |
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497 if (!info.isMember("PixelData") || |
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498 !info.isMember("Stretched") || |
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499 !info.isMember("Compression") || |
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500 info["Compression"].type() != Json::stringValue || |
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501 info["PixelData"].type() != Json::stringValue || |
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502 info["Stretched"].type() != Json::booleanValue || |
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503 info["Compression"].asString() != "Jpeg") |
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504 { |
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505 NotifySliceImageError(operation); |
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506 return; |
94 | 507 } |
93
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508 |
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509 bool isSigned = false; |
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510 bool isStretched = info["Stretched"].asBool(); |
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511 |
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512 if (info.isMember("IsSigned")) |
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513 { |
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514 if (info["IsSigned"].type() != Json::booleanValue) |
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515 { |
94 | 516 NotifySliceImageError(operation); |
517 return; | |
93
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518 } |
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519 else |
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520 { |
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521 isSigned = info["IsSigned"].asBool(); |
73 | 522 } |
523 } | |
524 | |
99 | 525 std::auto_ptr<Orthanc::ImageAccessor> reader; |
94 | 526 |
93
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527 { |
100
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528 std::string jpeg; |
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529 //Orthanc::Toolbox::DecodeBase64(jpeg, info["PixelData"].asString()); |
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530 jpeg = base64_decode(info["PixelData"].asString()); |
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531 |
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532 try |
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533 { |
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534 reader.reset(new Orthanc::JpegReader); |
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535 dynamic_cast<Orthanc::JpegReader&>(*reader).ReadFromMemory(jpeg); |
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536 } |
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537 catch (Orthanc::OrthancException&) |
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538 { |
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539 NotifySliceImageError(operation); |
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540 return; |
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diff
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541 } |
93
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542 } |
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543 |
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|
544 Orthanc::PixelFormat expectedFormat = |
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545 operation.GetSlice().GetConverter().GetExpectedPixelFormat(); |
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546 |
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547 if (reader->GetFormat() == Orthanc::PixelFormat_RGB24) // This is a color image |
73 | 548 { |
93
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549 if (expectedFormat != Orthanc::PixelFormat_RGB24) |
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|
550 { |
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551 NotifySliceImageError(operation); |
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552 return; |
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553 } |
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554 |
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555 if (isSigned || isStretched) |
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556 { |
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557 NotifySliceImageError(operation); |
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558 return; |
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|
559 } |
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560 else |
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561 { |
99 | 562 NotifySliceImageSuccess(operation, reader); |
93
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563 return; |
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564 } |
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|
565 } |
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566 |
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567 if (reader->GetFormat() != Orthanc::PixelFormat_Grayscale8) |
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568 { |
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569 NotifySliceImageError(operation); |
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570 return; |
73 | 571 } |
93
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572 |
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573 if (!isStretched) |
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574 { |
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575 if (expectedFormat != reader->GetFormat()) |
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576 { |
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577 NotifySliceImageError(operation); |
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578 return; |
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579 } |
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580 else |
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581 { |
99 | 582 NotifySliceImageSuccess(operation, reader); |
93
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583 return; |
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584 } |
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585 } |
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586 |
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587 int32_t stretchLow = 0; |
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588 int32_t stretchHigh = 0; |
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589 |
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590 if (!info.isMember("StretchLow") || |
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591 !info.isMember("StretchHigh") || |
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592 info["StretchLow"].type() != Json::intValue || |
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593 info["StretchHigh"].type() != Json::intValue) |
73 | 594 { |
93
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595 NotifySliceImageError(operation); |
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596 return; |
73 | 597 } |
93
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598 |
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599 stretchLow = info["StretchLow"].asInt(); |
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600 stretchHigh = info["StretchHigh"].asInt(); |
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601 |
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602 if (stretchLow < -32768 || |
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603 stretchHigh > 65535 || |
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604 (stretchLow < 0 && stretchHigh > 32767)) |
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605 { |
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606 // This range cannot be represented with a uint16_t or an int16_t |
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607 NotifySliceImageError(operation); |
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608 return; |
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|
609 } |
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|
610 |
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611 // Decode a grayscale JPEG 8bpp image coming from the Web viewer |
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612 std::auto_ptr<Orthanc::ImageAccessor> image |
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613 (new Orthanc::Image(expectedFormat, reader->GetWidth(), reader->GetHeight(), false)); |
203 | 614 |
615 Orthanc::ImageProcessing::Convert(*image, *reader); | |
616 reader.reset(NULL); | |
93
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diff
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617 |
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618 float scaling = static_cast<float>(stretchHigh - stretchLow) / 255.0f; |
203 | 619 |
620 if (!LinearAlgebra::IsCloseToZero(scaling)) | |
621 { | |
622 float offset = static_cast<float>(stretchLow) / scaling; | |
623 Orthanc::ImageProcessing::ShiftScale(*image, offset, scaling, true); | |
624 } | |
93
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diff
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625 |
99 | 626 NotifySliceImageSuccess(operation, image); |
73 | 627 } |
119
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628 |
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629 |
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630 class StringImage : |
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631 public Orthanc::ImageAccessor, |
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632 public boost::noncopyable |
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633 { |
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634 private: |
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635 std::string buffer_; |
73 | 636 |
119
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637 public: |
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638 StringImage(Orthanc::PixelFormat format, |
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639 unsigned int width, |
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640 unsigned int height, |
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641 std::string& buffer) |
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642 { |
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643 if (buffer.size() != Orthanc::GetBytesPerPixel(format) * width * height) |
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644 { |
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645 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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646 } |
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647 |
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648 buffer_.swap(buffer); // The source buffer is now empty |
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649 |
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650 void* data = (buffer_.empty() ? NULL : &buffer_[0]); |
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651 |
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652 AssignWritable(format, width, height, |
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653 Orthanc::GetBytesPerPixel(format) * width, data); |
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654 } |
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655 }; |
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656 |
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657 |
117
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658 void OrthancSlicesLoader::ParseSliceRawImage(const Operation& operation, |
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659 const void* answer, |
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660 size_t size) |
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661 { |
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662 Orthanc::GzipCompressor compressor; |
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663 |
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664 std::string raw; |
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665 compressor.Uncompress(raw, answer, size); |
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666 |
119
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667 const Orthanc::DicomImageInformation& info = operation.GetSlice().GetImageInformation(); |
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668 |
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669 if (info.GetBitsAllocated() == 32 && |
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670 info.GetBitsStored() == 32 && |
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671 info.GetHighBit() == 31 && |
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672 info.GetChannelCount() == 1 && |
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673 !info.IsSigned() && |
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674 info.GetPhotometricInterpretation() == Orthanc::PhotometricInterpretation_Monochrome2 && |
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675 raw.size() == info.GetWidth() * info.GetHeight() * 4) |
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676 { |
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677 // This is the case of RT-DOSE (uint32_t values) |
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678 |
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679 std::auto_ptr<Orthanc::ImageAccessor> image |
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680 (new StringImage(Orthanc::PixelFormat_Grayscale32, info.GetWidth(), |
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681 info.GetHeight(), raw)); |
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682 |
120
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683 // TODO - Only for big endian |
119
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684 for (unsigned int y = 0; y < image->GetHeight(); y++) |
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685 { |
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686 uint32_t *p = reinterpret_cast<uint32_t*>(image->GetRow(y)); |
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687 for (unsigned int x = 0; x < image->GetWidth(); x++, p++) |
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688 { |
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689 *p = le32toh(*p); |
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690 } |
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691 } |
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692 |
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693 NotifySliceImageSuccess(operation, image); |
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694 } |
120
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695 else if (info.GetBitsAllocated() == 16 && |
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696 info.GetBitsStored() == 16 && |
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697 info.GetHighBit() == 15 && |
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698 info.GetChannelCount() == 1 && |
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699 !info.IsSigned() && |
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700 info.GetPhotometricInterpretation() == Orthanc::PhotometricInterpretation_Monochrome2 && |
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701 raw.size() == info.GetWidth() * info.GetHeight() * 2) |
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702 { |
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703 std::auto_ptr<Orthanc::ImageAccessor> image |
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704 (new StringImage(Orthanc::PixelFormat_Grayscale16, info.GetWidth(), |
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705 info.GetHeight(), raw)); |
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706 |
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707 // TODO - Big endian ? |
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708 |
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709 NotifySliceImageSuccess(operation, image); |
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710 } |
119
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711 else |
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712 { |
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713 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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714 } |
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715 |
117
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716 } |
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717 |
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718 |
251
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719 OrthancSlicesLoader::OrthancSlicesLoader(MessageBroker& broker, |
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720 ICallback& callback, |
73 | 721 IWebService& orthanc) : |
251
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722 webCallback_(new WebCallback(broker, *this)), |
73 | 723 userCallback_(callback), |
724 orthanc_(orthanc), | |
725 state_(State_Initialization) | |
726 { | |
727 } | |
728 | |
729 | |
730 void OrthancSlicesLoader::ScheduleLoadSeries(const std::string& seriesId) | |
731 { | |
732 if (state_ != State_Initialization) | |
733 { | |
734 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
735 } | |
736 else | |
737 { | |
738 state_ = State_LoadingGeometry; | |
739 std::string uri = "/series/" + seriesId + "/instances-tags"; | |
740 orthanc_.ScheduleGetRequest(*webCallback_, uri, Operation::DownloadSeriesGeometry()); | |
741 } | |
742 } | |
743 | |
744 | |
117
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745 void OrthancSlicesLoader::ScheduleLoadInstance(const std::string& instanceId) |
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746 { |
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747 if (state_ != State_Initialization) |
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748 { |
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749 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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750 } |
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751 else |
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752 { |
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753 state_ = State_LoadingGeometry; |
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754 |
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755 // Tag "3004-000c" is "Grid Frame Offset Vector", which is |
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756 // mandatory to read RT DOSE, but is too long to be returned by default |
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757 std::string uri = "/instances/" + instanceId + "/tags?ignore-length=3004-000c"; |
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758 orthanc_.ScheduleGetRequest |
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759 (*webCallback_, uri, Operation::DownloadInstanceGeometry(instanceId)); |
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760 } |
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761 } |
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762 |
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763 |
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764 void OrthancSlicesLoader::ScheduleLoadFrame(const std::string& instanceId, |
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765 unsigned int frame) |
73 | 766 { |
767 if (state_ != State_Initialization) | |
768 { | |
769 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
770 } | |
771 else | |
772 { | |
773 state_ = State_LoadingGeometry; | |
774 std::string uri = "/instances/" + instanceId + "/tags"; | |
775 orthanc_.ScheduleGetRequest | |
117
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776 (*webCallback_, uri, Operation::DownloadFrameGeometry(instanceId, frame)); |
73 | 777 } |
778 } | |
779 | |
780 | |
77 | 781 bool OrthancSlicesLoader::IsGeometryReady() const |
782 { | |
783 return state_ == State_GeometryReady; | |
784 } | |
785 | |
786 | |
73 | 787 size_t OrthancSlicesLoader::GetSliceCount() const |
788 { | |
789 if (state_ != State_GeometryReady) | |
790 { | |
791 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
792 } | |
793 | |
794 return slices_.GetSliceCount(); | |
795 } | |
796 | |
797 | |
798 const Slice& OrthancSlicesLoader::GetSlice(size_t index) const | |
799 { | |
800 if (state_ != State_GeometryReady) | |
801 { | |
802 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
803 } | |
804 | |
805 return slices_.GetSlice(index); | |
806 } | |
807 | |
808 | |
77 | 809 bool OrthancSlicesLoader::LookupSlice(size_t& index, |
110
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810 const CoordinateSystem3D& plane) const |
77 | 811 { |
812 if (state_ != State_GeometryReady) | |
813 { | |
814 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
815 } | |
816 | |
817 return slices_.LookupSlice(index, plane); | |
818 } | |
819 | |
820 | |
117
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821 void OrthancSlicesLoader::ScheduleSliceImagePng(const Slice& slice, |
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822 size_t index) |
93
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823 { |
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824 std::string uri = ("/instances/" + slice.GetOrthancInstanceId() + "/frames/" + |
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825 boost::lexical_cast<std::string>(slice.GetFrame())); |
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826 |
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827 switch (slice.GetConverter().GetExpectedPixelFormat()) |
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828 { |
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829 case Orthanc::PixelFormat_RGB24: |
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830 uri += "/preview"; |
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831 break; |
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832 |
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833 case Orthanc::PixelFormat_Grayscale16: |
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834 uri += "/image-uint16"; |
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835 break; |
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836 |
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837 case Orthanc::PixelFormat_SignedGrayscale16: |
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838 uri += "/image-int16"; |
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839 break; |
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840 |
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841 default: |
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842 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
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843 } |
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844 |
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845 orthanc_.ScheduleGetRequest(*webCallback_, uri, |
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846 Operation::DownloadSliceImage(index, slice, SliceImageQuality_Full)); |
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847 } |
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848 |
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849 |
117
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850 void OrthancSlicesLoader::ScheduleSliceImageJpeg(const Slice& slice, |
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851 size_t index, |
93
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852 SliceImageQuality quality) |
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853 { |
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854 unsigned int value; |
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855 |
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856 switch (quality) |
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857 { |
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858 case SliceImageQuality_Jpeg50: |
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859 value = 50; |
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860 break; |
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861 |
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862 case SliceImageQuality_Jpeg90: |
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863 value = 90; |
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864 break; |
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865 |
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866 case SliceImageQuality_Jpeg95: |
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867 value = 95; |
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868 break; |
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869 |
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870 default: |
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871 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
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872 } |
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873 |
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874 // This requires the official Web viewer plugin to be installed! |
94 | 875 std::string uri = ("/web-viewer/instances/jpeg" + |
93
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876 boost::lexical_cast<std::string>(value) + |
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877 "-" + slice.GetOrthancInstanceId() + "_" + |
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878 boost::lexical_cast<std::string>(slice.GetFrame())); |
128 | 879 |
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880 orthanc_.ScheduleGetRequest(*webCallback_, uri, |
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881 Operation::DownloadSliceImage(index, slice, quality)); |
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882 } |
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883 |
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884 |
117
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885 |
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886 void OrthancSlicesLoader::ScheduleLoadSliceImage(size_t index, |
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887 SliceImageQuality quality) |
73 | 888 { |
889 if (state_ != State_GeometryReady) | |
890 { | |
891 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
892 } | |
93
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893 |
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894 const Slice& slice = GetSlice(index); |
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895 |
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896 if (slice.HasOrthancDecoding()) |
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897 { |
117
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898 if (quality == SliceImageQuality_Full) |
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899 { |
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900 ScheduleSliceImagePng(slice, index); |
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901 } |
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902 else |
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903 { |
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904 ScheduleSliceImageJpeg(slice, index, quality); |
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905 } |
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906 } |
73 | 907 else |
908 { | |
117
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909 std::string uri = ("/instances/" + slice.GetOrthancInstanceId() + "/frames/" + |
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910 boost::lexical_cast<std::string>(slice.GetFrame()) + "/raw.gz"); |
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911 orthanc_.ScheduleGetRequest(*webCallback_, uri, |
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912 Operation::DownloadSliceRawImage(index, slice)); |
73 | 913 } |
914 } | |
915 } |