Mercurial > hg > orthanc-stone
annotate Framework/Toolbox/OrthancSlicesLoader.cpp @ 117:42c05a3baee3 wasm
loading multi-frame instances as 3D volumes
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 28 Sep 2017 16:55:51 +0200 |
parents | 2eca030792aa |
children | a4d0b6c82b29 |
rev | line source |
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73 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017 Osimis, Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #include "OrthancSlicesLoader.h" | |
23 | |
24 #include "MessagingToolbox.h" | |
25 | |
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26 #include <Core/Images/Image.h> |
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27 #include <Core/Images/ImageProcessing.h> |
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28 #include <Core/Images/JpegReader.h> |
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29 #include <Core/Images/PngReader.h> |
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30 #include <Core/Compression/GzipCompressor.h> |
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31 #include <Core/Logging.h> |
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32 #include <Core/OrthancException.h> |
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33 #include <Core/Toolbox.h> |
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34 #include <Plugins/Samples/Common/DicomDatasetReader.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; |
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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: | |
93
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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 { |
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94 assert(mode_ == Mode_LoadImage); |
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95 return quality_; |
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96 } |
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97 |
73 | 98 unsigned int GetSliceIndex() const |
99 { | |
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100 assert(mode_ == Mode_LoadImage || |
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101 mode_ == Mode_LoadRawImage); |
73 | 102 return sliceIndex_; |
103 } | |
104 | |
105 const Slice& GetSlice() const | |
106 { | |
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107 assert(mode_ == Mode_LoadImage || |
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108 mode_ == Mode_LoadRawImage); |
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109 assert(slice_ != NULL); |
73 | 110 return *slice_; |
111 } | |
112 | |
113 unsigned int GetFrame() const | |
114 { | |
117
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115 assert(mode_ == Mode_FrameGeometry); |
73 | 116 return frame_; |
117 } | |
118 | |
119 const std::string& GetInstanceId() const | |
120 { | |
117
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121 assert(mode_ == Mode_FrameGeometry || |
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122 mode_ == Mode_InstanceGeometry); |
73 | 123 return instanceId_; |
124 } | |
125 | |
126 static Operation* DownloadSeriesGeometry() | |
127 { | |
128 return new Operation(Mode_SeriesGeometry); | |
129 } | |
130 | |
117
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131 static Operation* DownloadInstanceGeometry(const std::string& instanceId) |
73 | 132 { |
133 std::auto_ptr<Operation> operation(new Operation(Mode_InstanceGeometry)); | |
134 operation->instanceId_ = instanceId; | |
117
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135 return operation.release(); |
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136 } |
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137 |
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138 static Operation* DownloadFrameGeometry(const std::string& instanceId, |
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139 unsigned int frame) |
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140 { |
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141 std::auto_ptr<Operation> operation(new Operation(Mode_FrameGeometry)); |
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142 operation->instanceId_ = instanceId; |
73 | 143 operation->frame_ = frame; |
144 return operation.release(); | |
145 } | |
146 | |
147 static Operation* DownloadSliceImage(unsigned int sliceIndex, | |
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148 const Slice& slice, |
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149 SliceImageQuality quality) |
73 | 150 { |
151 std::auto_ptr<Operation> tmp(new Operation(Mode_LoadImage)); | |
152 tmp->sliceIndex_ = sliceIndex; | |
153 tmp->slice_ = &slice; | |
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154 tmp->quality_ = quality; |
73 | 155 return tmp.release(); |
156 } | |
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157 |
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158 static Operation* DownloadSliceRawImage(unsigned int sliceIndex, |
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159 const Slice& slice) |
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160 { |
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161 std::auto_ptr<Operation> tmp(new Operation(Mode_LoadRawImage)); |
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162 tmp->sliceIndex_ = sliceIndex; |
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163 tmp->slice_ = &slice; |
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164 return tmp.release(); |
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165 } |
73 | 166 }; |
167 | |
168 | |
169 class OrthancSlicesLoader::WebCallback : public IWebService::ICallback | |
170 { | |
171 private: | |
172 OrthancSlicesLoader& that_; | |
173 | |
174 public: | |
175 WebCallback(OrthancSlicesLoader& that) : | |
176 that_(that) | |
177 { | |
178 } | |
179 | |
180 virtual void NotifySuccess(const std::string& uri, | |
181 const void* answer, | |
182 size_t answerSize, | |
183 Orthanc::IDynamicObject* payload) | |
184 { | |
185 std::auto_ptr<Operation> operation(dynamic_cast<Operation*>(payload)); | |
186 | |
187 switch (operation->GetMode()) | |
188 { | |
189 case Mode_SeriesGeometry: | |
190 that_.ParseSeriesGeometry(answer, answerSize); | |
191 break; | |
192 | |
193 case Mode_InstanceGeometry: | |
117
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194 that_.ParseInstanceGeometry(operation->GetInstanceId(), answer, answerSize); |
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195 break; |
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196 |
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197 case Mode_FrameGeometry: |
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198 that_.ParseFrameGeometry(operation->GetInstanceId(), |
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199 operation->GetFrame(), answer, answerSize); |
73 | 200 break; |
201 | |
202 case Mode_LoadImage: | |
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203 switch (operation->GetQuality()) |
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204 { |
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205 case SliceImageQuality_Full: |
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206 that_.ParseSliceImagePng(*operation, answer, answerSize); |
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207 break; |
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208 |
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209 case SliceImageQuality_Jpeg50: |
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210 case SliceImageQuality_Jpeg90: |
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211 case SliceImageQuality_Jpeg95: |
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212 that_.ParseSliceImageJpeg(*operation, answer, answerSize); |
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213 break; |
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214 |
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215 default: |
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216 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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217 } |
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218 |
73 | 219 break; |
220 | |
117
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221 case Mode_LoadRawImage: |
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222 that_.ParseSliceRawImage(*operation, answer, answerSize); |
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223 break; |
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224 |
73 | 225 default: |
226 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
227 } | |
228 } | |
229 | |
230 virtual void NotifyError(const std::string& uri, | |
231 Orthanc::IDynamicObject* payload) | |
232 { | |
233 std::auto_ptr<Operation> operation(dynamic_cast<Operation*>(payload)); | |
234 LOG(ERROR) << "Cannot download " << uri; | |
235 | |
236 switch (operation->GetMode()) | |
237 { | |
117
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238 case Mode_FrameGeometry: |
73 | 239 case Mode_SeriesGeometry: |
240 that_.userCallback_.NotifyGeometryError(that_); | |
241 that_.state_ = State_Error; | |
242 break; | |
243 | |
244 case Mode_LoadImage: | |
245 that_.userCallback_.NotifySliceImageError(that_, operation->GetSliceIndex(), | |
93
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246 operation->GetSlice(), |
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247 operation->GetQuality()); |
73 | 248 break; |
249 | |
250 default: | |
251 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
252 } | |
253 } | |
254 }; | |
255 | |
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256 |
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257 |
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258 void OrthancSlicesLoader::NotifySliceImageSuccess(const Operation& operation, |
99 | 259 std::auto_ptr<Orthanc::ImageAccessor>& image) const |
93
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260 { |
99 | 261 if (image.get() == NULL) |
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262 { |
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263 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); |
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264 } |
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265 else |
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266 { |
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267 userCallback_.NotifySliceImageReady |
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268 (*this, operation.GetSliceIndex(), operation.GetSlice(), image, operation.GetQuality()); |
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269 } |
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270 } |
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271 |
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272 |
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273 void OrthancSlicesLoader::NotifySliceImageError(const Operation& operation) const |
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274 { |
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275 userCallback_.NotifySliceImageError |
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276 (*this, operation.GetSliceIndex(), operation.GetSlice(), operation.GetQuality()); |
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277 } |
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278 |
73 | 279 |
280 void OrthancSlicesLoader::ParseSeriesGeometry(const void* answer, | |
281 size_t size) | |
282 { | |
283 Json::Value series; | |
284 if (!MessagingToolbox::ParseJson(series, answer, size) || | |
285 series.type() != Json::objectValue) | |
286 { | |
287 userCallback_.NotifyGeometryError(*this); | |
288 return; | |
289 } | |
290 | |
291 Json::Value::Members instances = series.getMemberNames(); | |
292 | |
293 slices_.Reserve(instances.size()); | |
294 | |
295 for (size_t i = 0; i < instances.size(); i++) | |
296 { | |
297 OrthancPlugins::FullOrthancDataset dataset(series[instances[i]]); | |
117
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298 OrthancPlugins::DicomDatasetReader reader(dataset); |
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299 |
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300 unsigned int frames; |
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301 if (!reader.GetUnsignedIntegerValue(frames, OrthancPlugins::DICOM_TAG_NUMBER_OF_FRAMES)) |
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302 { |
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303 frames = 1; |
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304 } |
73 | 305 |
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306 for (unsigned int frame = 0; frame < frames; frame++) |
73 | 307 { |
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308 Slice slice; |
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309 if (slice.ParseOrthancFrame(dataset, instances[i], frame)) |
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310 { |
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311 slices_.AddSlice(slice); |
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312 } |
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313 else |
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314 { |
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315 LOG(WARNING) << "Skipping invalid frame " << frame << " within instance " << instances[i]; |
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316 } |
73 | 317 } |
318 } | |
319 | |
320 bool ok = false; | |
321 | |
322 if (slices_.GetSliceCount() > 0) | |
323 { | |
324 Vector normal; | |
325 if (slices_.SelectNormal(normal)) | |
326 { | |
327 slices_.FilterNormal(normal); | |
328 slices_.SetNormal(normal); | |
329 slices_.Sort(); | |
330 ok = true; | |
331 } | |
332 } | |
333 | |
334 state_ = State_GeometryReady; | |
335 | |
336 if (ok) | |
337 { | |
338 LOG(INFO) << "Loaded a series with " << slices_.GetSliceCount() << " slice(s)"; | |
339 userCallback_.NotifyGeometryReady(*this); | |
340 } | |
341 else | |
342 { | |
343 LOG(ERROR) << "This series is empty"; | |
344 userCallback_.NotifyGeometryError(*this); | |
345 } | |
346 } | |
347 | |
348 | |
349 void OrthancSlicesLoader::ParseInstanceGeometry(const std::string& instanceId, | |
350 const void* answer, | |
351 size_t size) | |
352 { | |
353 Json::Value tags; | |
354 if (!MessagingToolbox::ParseJson(tags, answer, size) || | |
355 tags.type() != Json::objectValue) | |
356 { | |
357 userCallback_.NotifyGeometryError(*this); | |
358 return; | |
359 } | |
360 | |
361 OrthancPlugins::FullOrthancDataset dataset(tags); | |
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362 OrthancPlugins::DicomDatasetReader reader(dataset); |
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363 |
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364 unsigned int frames; |
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365 if (!reader.GetUnsignedIntegerValue(frames, OrthancPlugins::DICOM_TAG_NUMBER_OF_FRAMES)) |
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366 { |
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367 frames = 1; |
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368 } |
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369 |
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370 LOG(INFO) << "Instance " << instanceId << " contains " << frames << " frame(s)"; |
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371 |
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372 state_ = State_GeometryReady; |
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373 |
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374 for (unsigned int frame = 0; frame < frames; frame++) |
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375 { |
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376 Slice slice; |
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377 if (slice.ParseOrthancFrame(dataset, instanceId, frame)) |
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378 { |
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379 slices_.AddSlice(slice); |
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380 } |
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381 else |
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382 { |
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383 LOG(WARNING) << "Skipping invalid multi-frame instance " << instanceId; |
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384 userCallback_.NotifyGeometryError(*this); |
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385 return; |
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386 } |
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387 } |
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388 |
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389 userCallback_.NotifyGeometryReady(*this); |
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390 } |
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391 |
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392 |
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393 void OrthancSlicesLoader::ParseFrameGeometry(const std::string& instanceId, |
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394 unsigned int frame, |
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395 const void* answer, |
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396 size_t size) |
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397 { |
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398 Json::Value tags; |
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399 if (!MessagingToolbox::ParseJson(tags, answer, size) || |
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400 tags.type() != Json::objectValue) |
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401 { |
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402 userCallback_.NotifyGeometryError(*this); |
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403 return; |
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404 } |
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405 |
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406 OrthancPlugins::FullOrthancDataset dataset(tags); |
73 | 407 |
408 state_ = State_GeometryReady; | |
409 | |
410 Slice slice; | |
411 if (slice.ParseOrthancFrame(dataset, instanceId, frame)) | |
412 { | |
413 LOG(INFO) << "Loaded instance " << instanceId; | |
414 slices_.AddSlice(slice); | |
415 userCallback_.NotifyGeometryReady(*this); | |
416 } | |
417 else | |
418 { | |
419 LOG(WARNING) << "Skipping invalid instance " << instanceId; | |
420 userCallback_.NotifyGeometryError(*this); | |
421 } | |
422 } | |
423 | |
424 | |
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425 void OrthancSlicesLoader::ParseSliceImagePng(const Operation& operation, |
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426 const void* answer, |
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427 size_t size) |
73 | 428 { |
99 | 429 std::auto_ptr<Orthanc::ImageAccessor> image; |
73 | 430 |
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431 try |
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432 { |
99 | 433 image.reset(new Orthanc::PngReader); |
434 dynamic_cast<Orthanc::PngReader&>(*image).ReadFromMemory(answer, size); | |
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435 } |
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436 catch (Orthanc::OrthancException&) |
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437 { |
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438 NotifySliceImageError(operation); |
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439 return; |
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440 } |
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441 |
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442 if (image->GetWidth() != operation.GetSlice().GetWidth() || |
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443 image->GetHeight() != operation.GetSlice().GetHeight()) |
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444 { |
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445 NotifySliceImageError(operation); |
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446 return; |
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447 } |
73 | 448 |
93
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449 if (operation.GetSlice().GetConverter().GetExpectedPixelFormat() == |
73 | 450 Orthanc::PixelFormat_SignedGrayscale16) |
451 { | |
452 if (image->GetFormat() == Orthanc::PixelFormat_Grayscale16) | |
453 { | |
454 image->SetFormat(Orthanc::PixelFormat_SignedGrayscale16); | |
455 } | |
456 else | |
457 { | |
93
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458 NotifySliceImageError(operation); |
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459 return; |
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460 } |
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461 } |
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462 |
99 | 463 NotifySliceImageSuccess(operation, image); |
100
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464 } |
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465 |
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466 |
93
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467 void OrthancSlicesLoader::ParseSliceImageJpeg(const Operation& operation, |
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468 const void* answer, |
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469 size_t size) |
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470 { |
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471 Json::Value encoded; |
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472 if (!MessagingToolbox::ParseJson(encoded, answer, size) || |
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473 encoded.type() != Json::objectValue || |
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474 !encoded.isMember("Orthanc") || |
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475 encoded["Orthanc"].type() != Json::objectValue) |
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476 { |
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477 NotifySliceImageError(operation); |
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478 return; |
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479 } |
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480 |
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481 Json::Value& info = encoded["Orthanc"]; |
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482 if (!info.isMember("PixelData") || |
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483 !info.isMember("Stretched") || |
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484 !info.isMember("Compression") || |
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485 info["Compression"].type() != Json::stringValue || |
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486 info["PixelData"].type() != Json::stringValue || |
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487 info["Stretched"].type() != Json::booleanValue || |
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488 info["Compression"].asString() != "Jpeg") |
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489 { |
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490 NotifySliceImageError(operation); |
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491 return; |
94 | 492 } |
93
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493 |
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494 bool isSigned = false; |
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495 bool isStretched = info["Stretched"].asBool(); |
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496 |
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497 if (info.isMember("IsSigned")) |
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498 { |
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499 if (info["IsSigned"].type() != Json::booleanValue) |
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500 { |
94 | 501 NotifySliceImageError(operation); |
502 return; | |
93
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503 } |
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504 else |
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|
505 { |
5945e81734a3
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506 isSigned = info["IsSigned"].asBool(); |
73 | 507 } |
508 } | |
509 | |
99 | 510 std::auto_ptr<Orthanc::ImageAccessor> reader; |
94 | 511 |
93
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diff
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|
512 { |
100
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diff
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|
513 std::string jpeg; |
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diff
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514 //Orthanc::Toolbox::DecodeBase64(jpeg, info["PixelData"].asString()); |
166a555becbf
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515 jpeg = base64_decode(info["PixelData"].asString()); |
166a555becbf
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516 |
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99
diff
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|
517 try |
166a555becbf
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99
diff
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|
518 { |
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|
519 reader.reset(new Orthanc::JpegReader); |
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diff
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|
520 dynamic_cast<Orthanc::JpegReader&>(*reader).ReadFromMemory(jpeg); |
166a555becbf
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99
diff
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|
521 } |
166a555becbf
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parents:
99
diff
changeset
|
522 catch (Orthanc::OrthancException&) |
166a555becbf
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parents:
99
diff
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|
523 { |
166a555becbf
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parents:
99
diff
changeset
|
524 NotifySliceImageError(operation); |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
99
diff
changeset
|
525 return; |
166a555becbf
fix jpeg decoding in wasm
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
99
diff
changeset
|
526 } |
93
5945e81734a3
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77
diff
changeset
|
527 } |
5945e81734a3
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
528 |
5945e81734a3
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|
529 Orthanc::PixelFormat expectedFormat = |
5945e81734a3
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|
530 operation.GetSlice().GetConverter().GetExpectedPixelFormat(); |
5945e81734a3
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diff
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|
531 |
5945e81734a3
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77
diff
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|
532 if (reader->GetFormat() == Orthanc::PixelFormat_RGB24) // This is a color image |
73 | 533 { |
93
5945e81734a3
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|
534 if (expectedFormat != Orthanc::PixelFormat_RGB24) |
5945e81734a3
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
535 { |
5945e81734a3
decoding of JPEG images
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parents:
77
diff
changeset
|
536 NotifySliceImageError(operation); |
5945e81734a3
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77
diff
changeset
|
537 return; |
5945e81734a3
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77
diff
changeset
|
538 } |
5945e81734a3
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77
diff
changeset
|
539 |
5945e81734a3
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77
diff
changeset
|
540 if (isSigned || isStretched) |
5945e81734a3
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diff
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|
541 { |
5945e81734a3
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
542 NotifySliceImageError(operation); |
5945e81734a3
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parents:
77
diff
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|
543 return; |
5945e81734a3
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parents:
77
diff
changeset
|
544 } |
5945e81734a3
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
545 else |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
546 { |
99 | 547 NotifySliceImageSuccess(operation, reader); |
93
5945e81734a3
decoding of JPEG images
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parents:
77
diff
changeset
|
548 return; |
5945e81734a3
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parents:
77
diff
changeset
|
549 } |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
550 } |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
551 |
5945e81734a3
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parents:
77
diff
changeset
|
552 if (reader->GetFormat() != Orthanc::PixelFormat_Grayscale8) |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
553 { |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
554 NotifySliceImageError(operation); |
5945e81734a3
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diff
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|
555 return; |
73 | 556 } |
93
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
557 |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
558 if (!isStretched) |
5945e81734a3
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
559 { |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
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77
diff
changeset
|
560 if (expectedFormat != reader->GetFormat()) |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
561 { |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
562 NotifySliceImageError(operation); |
5945e81734a3
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
563 return; |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
564 } |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
565 else |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
566 { |
99 | 567 NotifySliceImageSuccess(operation, reader); |
93
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
568 return; |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
569 } |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
570 } |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
571 |
5945e81734a3
decoding of JPEG images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
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|
572 int32_t stretchLow = 0; |
5945e81734a3
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diff
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|
573 int32_t stretchHigh = 0; |
5945e81734a3
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Sebastien Jodogne <s.jodogne@gmail.com>
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77
diff
changeset
|
574 |
5945e81734a3
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77
diff
changeset
|
575 if (!info.isMember("StretchLow") || |
5945e81734a3
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diff
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|
576 !info.isMember("StretchHigh") || |
5945e81734a3
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
77
diff
changeset
|
577 info["StretchLow"].type() != Json::intValue || |
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578 info["StretchHigh"].type() != Json::intValue) |
73 | 579 { |
93
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580 NotifySliceImageError(operation); |
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581 return; |
73 | 582 } |
93
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583 |
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584 stretchLow = info["StretchLow"].asInt(); |
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585 stretchHigh = info["StretchHigh"].asInt(); |
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586 |
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587 if (stretchLow < -32768 || |
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588 stretchHigh > 65535 || |
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589 (stretchLow < 0 && stretchHigh > 32767)) |
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590 { |
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591 // This range cannot be represented with a uint16_t or an int16_t |
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592 NotifySliceImageError(operation); |
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593 return; |
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594 } |
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595 |
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596 // Decode a grayscale JPEG 8bpp image coming from the Web viewer |
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597 std::auto_ptr<Orthanc::ImageAccessor> image |
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598 (new Orthanc::Image(expectedFormat, reader->GetWidth(), reader->GetHeight(), false)); |
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599 |
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600 float scaling = static_cast<float>(stretchHigh - stretchLow) / 255.0f; |
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601 float offset = static_cast<float>(stretchLow) / scaling; |
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602 |
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603 Orthanc::ImageProcessing::Convert(*image, *reader); |
94 | 604 reader.reset(NULL); |
605 | |
93
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606 Orthanc::ImageProcessing::ShiftScale(*image, offset, scaling); |
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607 |
99 | 608 NotifySliceImageSuccess(operation, image); |
73 | 609 } |
610 | |
611 | |
117
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612 void OrthancSlicesLoader::ParseSliceRawImage(const Operation& operation, |
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613 const void* answer, |
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614 size_t size) |
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615 { |
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616 Orthanc::GzipCompressor compressor; |
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617 |
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618 std::string raw; |
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619 compressor.Uncompress(raw, answer, size); |
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620 |
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621 printf("[%d => %d]\n", size, raw.size()); |
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622 } |
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623 |
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624 |
73 | 625 OrthancSlicesLoader::OrthancSlicesLoader(ICallback& callback, |
626 IWebService& orthanc) : | |
627 webCallback_(new WebCallback(*this)), | |
628 userCallback_(callback), | |
629 orthanc_(orthanc), | |
630 state_(State_Initialization) | |
631 { | |
632 } | |
633 | |
634 | |
635 void OrthancSlicesLoader::ScheduleLoadSeries(const std::string& seriesId) | |
636 { | |
637 if (state_ != State_Initialization) | |
638 { | |
639 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
640 } | |
641 else | |
642 { | |
643 state_ = State_LoadingGeometry; | |
644 std::string uri = "/series/" + seriesId + "/instances-tags"; | |
645 orthanc_.ScheduleGetRequest(*webCallback_, uri, Operation::DownloadSeriesGeometry()); | |
646 } | |
647 } | |
648 | |
649 | |
117
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650 void OrthancSlicesLoader::ScheduleLoadInstance(const std::string& instanceId) |
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651 { |
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652 if (state_ != State_Initialization) |
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653 { |
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654 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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655 } |
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656 else |
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657 { |
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658 state_ = State_LoadingGeometry; |
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659 |
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660 // Tag "3004-000c" is "Grid Frame Offset Vector", which is |
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661 // mandatory to read RT DOSE, but is too long to be returned by default |
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662 std::string uri = "/instances/" + instanceId + "/tags?ignore-length=3004-000c"; |
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663 orthanc_.ScheduleGetRequest |
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664 (*webCallback_, uri, Operation::DownloadInstanceGeometry(instanceId)); |
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665 } |
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666 } |
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667 |
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668 |
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669 void OrthancSlicesLoader::ScheduleLoadFrame(const std::string& instanceId, |
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670 unsigned int frame) |
73 | 671 { |
672 if (state_ != State_Initialization) | |
673 { | |
674 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
675 } | |
676 else | |
677 { | |
678 state_ = State_LoadingGeometry; | |
679 std::string uri = "/instances/" + instanceId + "/tags"; | |
680 orthanc_.ScheduleGetRequest | |
117
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681 (*webCallback_, uri, Operation::DownloadFrameGeometry(instanceId, frame)); |
73 | 682 } |
683 } | |
684 | |
685 | |
77 | 686 bool OrthancSlicesLoader::IsGeometryReady() const |
687 { | |
688 return state_ == State_GeometryReady; | |
689 } | |
690 | |
691 | |
73 | 692 size_t OrthancSlicesLoader::GetSliceCount() const |
693 { | |
694 if (state_ != State_GeometryReady) | |
695 { | |
696 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
697 } | |
698 | |
699 return slices_.GetSliceCount(); | |
700 } | |
701 | |
702 | |
703 const Slice& OrthancSlicesLoader::GetSlice(size_t index) const | |
704 { | |
705 if (state_ != State_GeometryReady) | |
706 { | |
707 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
708 } | |
709 | |
710 return slices_.GetSlice(index); | |
711 } | |
712 | |
713 | |
77 | 714 bool OrthancSlicesLoader::LookupSlice(size_t& index, |
110
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715 const CoordinateSystem3D& plane) const |
77 | 716 { |
717 if (state_ != State_GeometryReady) | |
718 { | |
719 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
720 } | |
721 | |
722 return slices_.LookupSlice(index, plane); | |
723 } | |
724 | |
725 | |
117
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726 void OrthancSlicesLoader::ScheduleSliceImagePng(const Slice& slice, |
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727 size_t index) |
93
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728 { |
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729 std::string uri = ("/instances/" + slice.GetOrthancInstanceId() + "/frames/" + |
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730 boost::lexical_cast<std::string>(slice.GetFrame())); |
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731 |
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732 switch (slice.GetConverter().GetExpectedPixelFormat()) |
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733 { |
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734 case Orthanc::PixelFormat_RGB24: |
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735 uri += "/preview"; |
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736 break; |
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737 |
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738 case Orthanc::PixelFormat_Grayscale16: |
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739 uri += "/image-uint16"; |
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740 break; |
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741 |
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742 case Orthanc::PixelFormat_SignedGrayscale16: |
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743 uri += "/image-int16"; |
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744 break; |
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745 |
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746 default: |
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747 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
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748 } |
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749 |
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750 orthanc_.ScheduleGetRequest(*webCallback_, uri, |
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751 Operation::DownloadSliceImage(index, slice, SliceImageQuality_Full)); |
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752 } |
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753 |
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754 |
117
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755 void OrthancSlicesLoader::ScheduleSliceImageJpeg(const Slice& slice, |
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756 size_t index, |
93
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757 SliceImageQuality quality) |
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758 { |
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759 unsigned int value; |
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760 |
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761 switch (quality) |
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762 { |
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763 case SliceImageQuality_Jpeg50: |
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764 value = 50; |
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765 break; |
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766 |
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767 case SliceImageQuality_Jpeg90: |
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768 value = 90; |
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769 break; |
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770 |
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771 case SliceImageQuality_Jpeg95: |
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772 value = 95; |
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773 break; |
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774 |
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775 default: |
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776 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
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777 } |
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778 |
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779 // This requires the official Web viewer plugin to be installed! |
94 | 780 std::string uri = ("/web-viewer/instances/jpeg" + |
93
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781 boost::lexical_cast<std::string>(value) + |
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782 "-" + slice.GetOrthancInstanceId() + "_" + |
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783 boost::lexical_cast<std::string>(slice.GetFrame())); |
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784 |
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785 orthanc_.ScheduleGetRequest(*webCallback_, uri, |
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786 Operation::DownloadSliceImage(index, slice, quality)); |
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787 } |
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788 |
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789 |
117
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790 |
93
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791 void OrthancSlicesLoader::ScheduleLoadSliceImage(size_t index, |
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792 SliceImageQuality quality) |
73 | 793 { |
794 if (state_ != State_GeometryReady) | |
795 { | |
796 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
797 } | |
93
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798 |
117
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799 const Slice& slice = GetSlice(index); |
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800 |
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801 if (slice.HasOrthancDecoding()) |
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802 { |
117
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803 if (quality == SliceImageQuality_Full) |
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804 { |
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805 ScheduleSliceImagePng(slice, index); |
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806 } |
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807 else |
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808 { |
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809 ScheduleSliceImageJpeg(slice, index, quality); |
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810 } |
93
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811 } |
73 | 812 else |
813 { | |
117
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814 std::string uri = ("/instances/" + slice.GetOrthancInstanceId() + "/frames/" + |
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815 boost::lexical_cast<std::string>(slice.GetFrame()) + "/raw.gz"); |
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816 orthanc_.ScheduleGetRequest(*webCallback_, uri, |
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817 Operation::DownloadSliceRawImage(index, slice)); |
73 | 818 } |
819 } | |
820 } |