Mercurial > hg > orthanc-stone
comparison Framework/Loaders/OrthancSeriesVolumeProgressiveLoader.cpp @ 1337:b1396be5aa27 broker
Moved the fixed loaders back from the dead
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Fri, 03 Apr 2020 16:13:06 +0200 |
parents | |
children | 556b4bc19118 |
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1334:04055b6b9e2c | 1337:b1396be5aa27 |
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1 /** | |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2020 Osimis S.A., 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 "OrthancSeriesVolumeProgressiveLoader.h" | |
23 | |
24 #include "../../StoneException.h" | |
25 #include "../../Loaders/ILoadersContext.h" | |
26 #include "../../Loaders/BasicFetchingItemsSorter.h" | |
27 #include "../../Loaders/BasicFetchingStrategy.h" | |
28 #include "../../Toolbox/GeometryToolbox.h" | |
29 #include "../../Volumes/DicomVolumeImageMPRSlicer.h" | |
30 | |
31 #include <Core/Images/ImageProcessing.h> | |
32 #include <Core/OrthancException.h> | |
33 | |
34 namespace OrthancStone | |
35 { | |
36 using OrthancStone::ILoadersContext; | |
37 | |
38 class OrthancSeriesVolumeProgressiveLoader::ExtractedSlice : public OrthancStone::DicomVolumeImageMPRSlicer::Slice | |
39 { | |
40 private: | |
41 const OrthancSeriesVolumeProgressiveLoader& that_; | |
42 | |
43 public: | |
44 ExtractedSlice(const OrthancSeriesVolumeProgressiveLoader& that, | |
45 const OrthancStone::CoordinateSystem3D& plane) : | |
46 OrthancStone::DicomVolumeImageMPRSlicer::Slice(*that.volume_, plane), | |
47 that_(that) | |
48 { | |
49 if (IsValid()) | |
50 { | |
51 if (GetProjection() == OrthancStone::VolumeProjection_Axial) | |
52 { | |
53 // For coronal and sagittal projections, we take the global | |
54 // revision of the volume because even if a single slice changes, | |
55 // this means the projection will yield a different result --> | |
56 // we must increase the revision as soon as any slice changes | |
57 SetRevision(that_.seriesGeometry_.GetSliceRevision(GetSliceIndex())); | |
58 } | |
59 | |
60 if (that_.strategy_.get() != NULL && | |
61 GetProjection() == OrthancStone::VolumeProjection_Axial) | |
62 { | |
63 that_.strategy_->SetCurrent(GetSliceIndex()); | |
64 } | |
65 } | |
66 } | |
67 }; | |
68 | |
69 void OrthancSeriesVolumeProgressiveLoader::SeriesGeometry::CheckSlice( | |
70 size_t index, const OrthancStone::DicomInstanceParameters& reference) const | |
71 { | |
72 const OrthancStone::DicomInstanceParameters& slice = *slices_[index]; | |
73 | |
74 if (!OrthancStone::GeometryToolbox::IsParallel( | |
75 reference.GetGeometry().GetNormal(), | |
76 slice.GetGeometry().GetNormal())) | |
77 { | |
78 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadGeometry, | |
79 "A slice in the volume image is not parallel to the others"); | |
80 } | |
81 | |
82 if (reference.GetExpectedPixelFormat() != slice.GetExpectedPixelFormat()) | |
83 { | |
84 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat, | |
85 "The pixel format changes across the slices of the volume image"); | |
86 } | |
87 | |
88 if (reference.GetImageInformation().GetWidth() != slice.GetImageInformation().GetWidth() || | |
89 reference.GetImageInformation().GetHeight() != slice.GetImageInformation().GetHeight()) | |
90 { | |
91 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize, | |
92 "The width/height of slices are not constant in the volume image"); | |
93 } | |
94 | |
95 if (!OrthancStone::LinearAlgebra::IsNear(reference.GetPixelSpacingX(), slice.GetPixelSpacingX()) || | |
96 !OrthancStone::LinearAlgebra::IsNear(reference.GetPixelSpacingY(), slice.GetPixelSpacingY())) | |
97 { | |
98 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadGeometry, | |
99 "The pixel spacing of the slices change across the volume image"); | |
100 } | |
101 } | |
102 | |
103 | |
104 void OrthancSeriesVolumeProgressiveLoader::SeriesGeometry::CheckVolume() const | |
105 { | |
106 for (size_t i = 0; i < slices_.size(); i++) | |
107 { | |
108 assert(slices_[i] != NULL); | |
109 if (slices_[i]->GetImageInformation().GetNumberOfFrames() != 1) | |
110 { | |
111 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadGeometry, | |
112 "This class does not support multi-frame images"); | |
113 } | |
114 } | |
115 | |
116 if (slices_.size() != 0) | |
117 { | |
118 const OrthancStone::DicomInstanceParameters& reference = *slices_[0]; | |
119 | |
120 for (size_t i = 1; i < slices_.size(); i++) | |
121 { | |
122 CheckSlice(i, reference); | |
123 } | |
124 } | |
125 } | |
126 | |
127 | |
128 void OrthancSeriesVolumeProgressiveLoader::SeriesGeometry::Clear() | |
129 { | |
130 for (size_t i = 0; i < slices_.size(); i++) | |
131 { | |
132 assert(slices_[i] != NULL); | |
133 delete slices_[i]; | |
134 } | |
135 | |
136 slices_.clear(); | |
137 slicesRevision_.clear(); | |
138 } | |
139 | |
140 | |
141 void OrthancSeriesVolumeProgressiveLoader::SeriesGeometry::CheckSliceIndex(size_t index) const | |
142 { | |
143 if (!HasGeometry()) | |
144 { | |
145 LOG(ERROR) << "OrthancSeriesVolumeProgressiveLoader::SeriesGeometry::CheckSliceIndex(size_t index): (!HasGeometry())"; | |
146 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
147 } | |
148 else if (index >= slices_.size()) | |
149 { | |
150 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
151 } | |
152 else | |
153 { | |
154 assert(slices_.size() == GetImageGeometry().GetDepth() && | |
155 slices_.size() == slicesRevision_.size()); | |
156 } | |
157 } | |
158 | |
159 | |
160 // WARNING: The payload of "slices" must be of class "DicomInstanceParameters" | |
161 // (called with the slices created in LoadGeometry) | |
162 void OrthancSeriesVolumeProgressiveLoader::SeriesGeometry::ComputeGeometry(OrthancStone::SlicesSorter& slices) | |
163 { | |
164 Clear(); | |
165 | |
166 if (!slices.Sort()) | |
167 { | |
168 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange, | |
169 "Cannot sort the 3D slices of a DICOM series"); | |
170 } | |
171 | |
172 if (slices.GetSlicesCount() == 0) | |
173 { | |
174 geometry_.reset(new OrthancStone::VolumeImageGeometry); | |
175 } | |
176 else | |
177 { | |
178 slices_.reserve(slices.GetSlicesCount()); | |
179 slicesRevision_.resize(slices.GetSlicesCount(), 0); | |
180 | |
181 for (size_t i = 0; i < slices.GetSlicesCount(); i++) | |
182 { | |
183 const OrthancStone::DicomInstanceParameters& slice = | |
184 dynamic_cast<const OrthancStone::DicomInstanceParameters&>(slices.GetSlicePayload(i)); | |
185 slices_.push_back(new OrthancStone::DicomInstanceParameters(slice)); | |
186 } | |
187 | |
188 CheckVolume(); | |
189 | |
190 double spacingZ; | |
191 | |
192 if (slices.ComputeSpacingBetweenSlices(spacingZ)) | |
193 { | |
194 LOG(TRACE) << "Computed spacing between slices: " << spacingZ << "mm"; | |
195 | |
196 const OrthancStone::DicomInstanceParameters& parameters = *slices_[0]; | |
197 | |
198 geometry_.reset(new OrthancStone::VolumeImageGeometry); | |
199 geometry_->SetSizeInVoxels(parameters.GetImageInformation().GetWidth(), | |
200 parameters.GetImageInformation().GetHeight(), | |
201 static_cast<unsigned int>(slices.GetSlicesCount())); | |
202 geometry_->SetAxialGeometry(slices.GetSliceGeometry(0)); | |
203 geometry_->SetVoxelDimensions(parameters.GetPixelSpacingX(), | |
204 parameters.GetPixelSpacingY(), spacingZ); | |
205 } | |
206 else | |
207 { | |
208 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadGeometry, | |
209 "The origins of the slices of a volume image are not regularly spaced"); | |
210 } | |
211 } | |
212 } | |
213 | |
214 | |
215 const OrthancStone::VolumeImageGeometry& OrthancSeriesVolumeProgressiveLoader::SeriesGeometry::GetImageGeometry() const | |
216 { | |
217 if (!HasGeometry()) | |
218 { | |
219 LOG(ERROR) << "OrthancSeriesVolumeProgressiveLoader::SeriesGeometry::GetImageGeometry(): (!HasGeometry())"; | |
220 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
221 } | |
222 else | |
223 { | |
224 assert(slices_.size() == geometry_->GetDepth()); | |
225 return *geometry_; | |
226 } | |
227 } | |
228 | |
229 | |
230 const OrthancStone::DicomInstanceParameters& OrthancSeriesVolumeProgressiveLoader::SeriesGeometry::GetSliceParameters(size_t index) const | |
231 { | |
232 CheckSliceIndex(index); | |
233 return *slices_[index]; | |
234 } | |
235 | |
236 | |
237 uint64_t OrthancSeriesVolumeProgressiveLoader::SeriesGeometry::GetSliceRevision(size_t index) const | |
238 { | |
239 CheckSliceIndex(index); | |
240 return slicesRevision_[index]; | |
241 } | |
242 | |
243 | |
244 void OrthancSeriesVolumeProgressiveLoader::SeriesGeometry::IncrementSliceRevision(size_t index) | |
245 { | |
246 CheckSliceIndex(index); | |
247 slicesRevision_[index] ++; | |
248 } | |
249 | |
250 | |
251 static unsigned int GetSliceIndexPayload(const OrthancStone::OracleCommandBase& command) | |
252 { | |
253 assert(command.HasPayload()); | |
254 return dynamic_cast< const Orthanc::SingleValueObject<unsigned int>& >(command.GetPayload()).GetValue(); | |
255 } | |
256 | |
257 | |
258 void OrthancSeriesVolumeProgressiveLoader::ScheduleNextSliceDownload() | |
259 { | |
260 assert(strategy_.get() != NULL); | |
261 | |
262 unsigned int sliceIndex = 0, quality = 0; | |
263 | |
264 if (strategy_->GetNext(sliceIndex, quality)) | |
265 { | |
266 if (!progressiveQuality_) | |
267 { | |
268 ORTHANC_ASSERT(quality == QUALITY_00, "INTERNAL ERROR. quality != QUALITY_00 in " | |
269 << "OrthancSeriesVolumeProgressiveLoader::ScheduleNextSliceDownload"); | |
270 } | |
271 | |
272 const OrthancStone::DicomInstanceParameters& slice = seriesGeometry_.GetSliceParameters(sliceIndex); | |
273 | |
274 const std::string& instance = slice.GetOrthancInstanceIdentifier(); | |
275 if (instance.empty()) | |
276 { | |
277 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
278 } | |
279 | |
280 std::unique_ptr<OrthancStone::OracleCommandBase> command; | |
281 | |
282 if (!progressiveQuality_ || quality == QUALITY_02) | |
283 { | |
284 std::unique_ptr<OrthancStone::GetOrthancImageCommand> tmp(new OrthancStone::GetOrthancImageCommand); | |
285 // TODO: review the following comment. | |
286 // - Commented out by bgo on 2019-07-19 | reason: Alain has seen cases | |
287 // where gzipping the uint16 image took 11 sec to produce 5mb. | |
288 // The unzipped request was much much faster. | |
289 // - Re-enabled on 2019-07-30. Reason: in Web Assembly, the browser | |
290 // does not use the Accept-Encoding header and always requests | |
291 // compression. Furthermore, NOT | |
292 tmp->SetHttpHeader("Accept-Encoding", "gzip"); | |
293 tmp->SetHttpHeader("Accept", std::string(Orthanc::EnumerationToString(Orthanc::MimeType_Pam))); | |
294 tmp->SetInstanceUri(instance, slice.GetExpectedPixelFormat()); | |
295 tmp->SetExpectedPixelFormat(slice.GetExpectedPixelFormat()); | |
296 //LOG(INFO) | |
297 // << "OrthancSeriesVolumeProgressiveLoader.ScheduleNextSliceDownload()" | |
298 // << " sliceIndex = " << sliceIndex << " slice quality = " << quality | |
299 // << " URI = " << tmp->GetUri(); | |
300 command.reset(tmp.release()); | |
301 } | |
302 else // progressive mode is true AND quality is not final (different from QUALITY_02 | |
303 { | |
304 std::unique_ptr<OrthancStone::GetOrthancWebViewerJpegCommand> tmp( | |
305 new OrthancStone::GetOrthancWebViewerJpegCommand); | |
306 | |
307 // TODO: review the following comment. Commented out by bgo on 2019-07-19 | |
308 // (gzip for jpeg seems overkill) | |
309 //tmp->SetHttpHeader("Accept-Encoding", "gzip"); | |
310 tmp->SetInstance(instance); | |
311 tmp->SetQuality((quality == 0 ? 50 : 90)); // QUALITY_00 is Jpeg50 while QUALITY_01 is Jpeg90 | |
312 tmp->SetExpectedPixelFormat(slice.GetExpectedPixelFormat()); | |
313 LOG(TRACE) | |
314 << "OrthancSeriesVolumeProgressiveLoader.ScheduleNextSliceDownload()" | |
315 << " sliceIndex = " << sliceIndex << " slice quality = " << quality; | |
316 command.reset(tmp.release()); | |
317 } | |
318 | |
319 command->AcquirePayload(new Orthanc::SingleValueObject<unsigned int>(sliceIndex)); | |
320 | |
321 { | |
322 std::unique_ptr<OrthancStone::ILoadersContext::ILock> lock(loadersContext_.Lock()); | |
323 boost::shared_ptr<IObserver> observer(GetSharedObserver()); | |
324 lock->Schedule(observer, 0, command.release()); // TODO: priority! | |
325 } | |
326 } | |
327 else | |
328 { | |
329 // loading is finished! | |
330 volumeImageReadyInHighQuality_ = true; | |
331 BroadcastMessage(OrthancSeriesVolumeProgressiveLoader::VolumeImageReadyInHighQuality(*this)); | |
332 } | |
333 } | |
334 | |
335 /** | |
336 This is called in response to GET "/series/XXXXXXXXXXXXX/instances-tags" | |
337 */ | |
338 void OrthancSeriesVolumeProgressiveLoader::LoadGeometry(const OrthancStone::OrthancRestApiCommand::SuccessMessage& message) | |
339 { | |
340 Json::Value body; | |
341 message.ParseJsonBody(body); | |
342 | |
343 if (body.type() != Json::objectValue) | |
344 { | |
345 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
346 } | |
347 | |
348 { | |
349 Json::Value::Members instances = body.getMemberNames(); | |
350 | |
351 OrthancStone::SlicesSorter slices; | |
352 | |
353 for (size_t i = 0; i < instances.size(); i++) | |
354 { | |
355 Orthanc::DicomMap dicom; | |
356 dicom.FromDicomAsJson(body[instances[i]]); | |
357 | |
358 std::unique_ptr<OrthancStone::DicomInstanceParameters> instance(new OrthancStone::DicomInstanceParameters(dicom)); | |
359 instance->SetOrthancInstanceIdentifier(instances[i]); | |
360 | |
361 // the 3D plane corresponding to the slice | |
362 OrthancStone::CoordinateSystem3D geometry = instance->GetGeometry(); | |
363 slices.AddSlice(geometry, instance.release()); | |
364 } | |
365 | |
366 seriesGeometry_.ComputeGeometry(slices); | |
367 } | |
368 | |
369 size_t slicesCount = seriesGeometry_.GetImageGeometry().GetDepth(); | |
370 | |
371 if (slicesCount == 0) | |
372 { | |
373 volume_->Initialize(seriesGeometry_.GetImageGeometry(), Orthanc::PixelFormat_Grayscale8); | |
374 } | |
375 else | |
376 { | |
377 const OrthancStone::DicomInstanceParameters& parameters = seriesGeometry_.GetSliceParameters(0); | |
378 | |
379 volume_->Initialize(seriesGeometry_.GetImageGeometry(), parameters.GetExpectedPixelFormat()); | |
380 volume_->SetDicomParameters(parameters); | |
381 volume_->GetPixelData().Clear(); | |
382 | |
383 // If we are in progressive mode, the Fetching strategy will first request QUALITY_00, then QUALITY_01, then | |
384 // QUALITY_02... Otherwise, it's only QUALITY_00 | |
385 unsigned int maxQuality = QUALITY_00; | |
386 if (progressiveQuality_) | |
387 maxQuality = QUALITY_02; | |
388 | |
389 strategy_.reset(new OrthancStone::BasicFetchingStrategy( | |
390 sorter_->CreateSorter(static_cast<unsigned int>(slicesCount)), | |
391 maxQuality)); | |
392 | |
393 assert(simultaneousDownloads_ != 0); | |
394 for (unsigned int i = 0; i < simultaneousDownloads_; i++) | |
395 { | |
396 ScheduleNextSliceDownload(); | |
397 } | |
398 } | |
399 | |
400 slicesQuality_.resize(slicesCount, 0); | |
401 | |
402 BroadcastMessage(OrthancStone::DicomVolumeImage::GeometryReadyMessage(*volume_)); | |
403 } | |
404 | |
405 | |
406 void OrthancSeriesVolumeProgressiveLoader::SetSliceContent(unsigned int sliceIndex, | |
407 const Orthanc::ImageAccessor& image, | |
408 unsigned int quality) | |
409 { | |
410 ORTHANC_ASSERT(sliceIndex < slicesQuality_.size() && | |
411 slicesQuality_.size() == volume_->GetPixelData().GetDepth()); | |
412 | |
413 if (!progressiveQuality_) | |
414 { | |
415 ORTHANC_ASSERT(quality == QUALITY_00); | |
416 ORTHANC_ASSERT(slicesQuality_[sliceIndex] == QUALITY_00); | |
417 } | |
418 | |
419 if (quality >= slicesQuality_[sliceIndex]) | |
420 { | |
421 { | |
422 OrthancStone::ImageBuffer3D::SliceWriter writer(volume_->GetPixelData(), | |
423 OrthancStone::VolumeProjection_Axial, | |
424 sliceIndex); | |
425 | |
426 Orthanc::ImageProcessing::Copy(writer.GetAccessor(), image); | |
427 } | |
428 | |
429 volume_->IncrementRevision(); | |
430 seriesGeometry_.IncrementSliceRevision(sliceIndex); | |
431 slicesQuality_[sliceIndex] = quality; | |
432 | |
433 BroadcastMessage(OrthancStone::DicomVolumeImage::ContentUpdatedMessage(*volume_)); | |
434 } | |
435 LOG(TRACE) << "SetSliceContent sliceIndex = " << sliceIndex << " -- will " | |
436 << " now call ScheduleNextSliceDownload()"; | |
437 ScheduleNextSliceDownload(); | |
438 } | |
439 | |
440 void OrthancSeriesVolumeProgressiveLoader::LoadBestQualitySliceContent( | |
441 const OrthancStone::GetOrthancImageCommand::SuccessMessage& message) | |
442 { | |
443 unsigned int quality = QUALITY_00; | |
444 if (progressiveQuality_) | |
445 quality = QUALITY_02; | |
446 | |
447 SetSliceContent(GetSliceIndexPayload(message.GetOrigin()), | |
448 message.GetImage(), | |
449 quality); | |
450 } | |
451 | |
452 void OrthancSeriesVolumeProgressiveLoader::LoadJpegSliceContent( | |
453 const OrthancStone::GetOrthancWebViewerJpegCommand::SuccessMessage& message) | |
454 { | |
455 ORTHANC_ASSERT(progressiveQuality_, "INTERNAL ERROR: OrthancSeriesVolumeProgressiveLoader::LoadJpegSliceContent" | |
456 << " called while progressiveQuality_ is false!"); | |
457 | |
458 LOG(TRACE) << "OrthancSeriesVolumeProgressiveLoader::LoadJpegSliceContent"; | |
459 unsigned int quality; | |
460 | |
461 switch (dynamic_cast<const OrthancStone::GetOrthancWebViewerJpegCommand&>(message.GetOrigin()).GetQuality()) | |
462 { | |
463 case 50: | |
464 quality = QUALITY_00; | |
465 break; | |
466 | |
467 case 90: | |
468 quality = QUALITY_01; | |
469 break; | |
470 | |
471 default: | |
472 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
473 } | |
474 | |
475 SetSliceContent(GetSliceIndexPayload(message.GetOrigin()), message.GetImage(), quality); | |
476 } | |
477 | |
478 OrthancSeriesVolumeProgressiveLoader::OrthancSeriesVolumeProgressiveLoader( | |
479 OrthancStone::ILoadersContext& loadersContext, | |
480 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume, | |
481 bool progressiveQuality) | |
482 : loadersContext_(loadersContext) | |
483 , active_(false) | |
484 , progressiveQuality_(progressiveQuality) | |
485 , simultaneousDownloads_(4) | |
486 , volume_(volume) | |
487 , sorter_(new OrthancStone::BasicFetchingItemsSorter::Factory) | |
488 , volumeImageReadyInHighQuality_(false) | |
489 { | |
490 } | |
491 | |
492 boost::shared_ptr<OrthancSeriesVolumeProgressiveLoader> | |
493 OrthancSeriesVolumeProgressiveLoader::Create( | |
494 OrthancStone::ILoadersContext& loadersContext, | |
495 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume, | |
496 bool progressiveQuality) | |
497 { | |
498 std::auto_ptr<OrthancStone::ILoadersContext::ILock> lock(loadersContext.Lock()); | |
499 | |
500 boost::shared_ptr<OrthancSeriesVolumeProgressiveLoader> obj( | |
501 new OrthancSeriesVolumeProgressiveLoader( | |
502 loadersContext, volume, progressiveQuality)); | |
503 | |
504 obj->Register<OrthancStone::OrthancRestApiCommand::SuccessMessage>( | |
505 lock->GetOracleObservable(), | |
506 &OrthancSeriesVolumeProgressiveLoader::LoadGeometry); | |
507 | |
508 obj->Register<OrthancStone::GetOrthancImageCommand::SuccessMessage>( | |
509 lock->GetOracleObservable(), | |
510 &OrthancSeriesVolumeProgressiveLoader::LoadBestQualitySliceContent); | |
511 | |
512 obj->Register<OrthancStone::GetOrthancWebViewerJpegCommand::SuccessMessage>( | |
513 lock->GetOracleObservable(), | |
514 &OrthancSeriesVolumeProgressiveLoader::LoadJpegSliceContent); | |
515 | |
516 return obj; | |
517 } | |
518 | |
519 | |
520 OrthancSeriesVolumeProgressiveLoader::~OrthancSeriesVolumeProgressiveLoader() | |
521 { | |
522 LOG(TRACE) << "OrthancSeriesVolumeProgressiveLoader::~OrthancSeriesVolumeProgressiveLoader()"; | |
523 } | |
524 | |
525 void OrthancSeriesVolumeProgressiveLoader::SetSimultaneousDownloads(unsigned int count) | |
526 { | |
527 if (active_) | |
528 { | |
529 LOG(ERROR) << "OrthancSeriesVolumeProgressiveLoader::SetSimultaneousDownloads(): (active_)"; | |
530 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
531 } | |
532 else if (count == 0) | |
533 { | |
534 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
535 } | |
536 else | |
537 { | |
538 simultaneousDownloads_ = count; | |
539 } | |
540 } | |
541 | |
542 | |
543 void OrthancSeriesVolumeProgressiveLoader::LoadSeries(const std::string& seriesId) | |
544 { | |
545 if (active_) | |
546 { | |
547 LOG(ERROR) << "OrthancSeriesVolumeProgressiveLoader::LoadSeries(const std::string& seriesId): (active_)"; | |
548 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
549 } | |
550 else | |
551 { | |
552 active_ = true; | |
553 | |
554 std::unique_ptr<OrthancStone::OrthancRestApiCommand> command(new OrthancStone::OrthancRestApiCommand); | |
555 command->SetUri("/series/" + seriesId + "/instances-tags"); | |
556 { | |
557 std::unique_ptr<OrthancStone::ILoadersContext::ILock> lock(loadersContext_.Lock()); | |
558 boost::shared_ptr<IObserver> observer(GetSharedObserver()); | |
559 lock->Schedule(observer, 0, command.release()); //TODO: priority! | |
560 } | |
561 } | |
562 } | |
563 | |
564 | |
565 OrthancStone::IVolumeSlicer::IExtractedSlice* | |
566 OrthancSeriesVolumeProgressiveLoader::ExtractSlice(const OrthancStone::CoordinateSystem3D& cuttingPlane) | |
567 { | |
568 if (volume_->HasGeometry()) | |
569 { | |
570 return new ExtractedSlice(*this, cuttingPlane); | |
571 } | |
572 else | |
573 { | |
574 return new IVolumeSlicer::InvalidSlice; | |
575 } | |
576 } | |
577 } |