Mercurial > hg > orthanc-stone
annotate Framework/dev.h @ 403:99e31898910e
IObservable.cpp
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Sun, 11 Nov 2018 12:13:31 +0100 |
| parents | 72355b637945 |
| children | 3942123602ba |
| rev | line source |
|---|---|
| 102 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
| 102 | 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. | |
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16 * |
| 102 | 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 #pragma once | |
| 23 | |
| 24 #include "Layers/FrameRenderer.h" | |
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25 #include "Layers/LineLayerRenderer.h" |
| 102 | 26 #include "Layers/SliceOutlineRenderer.h" |
| 27 #include "Toolbox/DownloadStack.h" | |
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28 #include "Toolbox/GeometryToolbox.h" |
| 102 | 29 #include "Toolbox/OrthancSlicesLoader.h" |
| 30 #include "Volumes/ImageBuffer3D.h" | |
| 31 #include "Volumes/SlicedVolumeBase.h" | |
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32 #include "Widgets/SliceViewerWidget.h" |
| 102 | 33 |
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34 #include <Core/Logging.h> |
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35 #include <Core/Images/ImageProcessing.h> |
| 102 | 36 |
| 37 #include <boost/math/special_functions/round.hpp> | |
| 38 | |
| 39 | |
| 40 namespace OrthancStone | |
| 41 { | |
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42 // TODO: Handle errors while loading |
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43 class OrthancVolumeImage : |
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44 public SlicedVolumeBase, |
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45 public OrthancStone::IObserver |
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46 { |
| 102 | 47 private: |
| 48 OrthancSlicesLoader loader_; | |
| 49 std::auto_ptr<ImageBuffer3D> image_; | |
| 50 std::auto_ptr<DownloadStack> downloadStack_; | |
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51 bool computeRange_; |
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52 size_t pendingSlices_; |
| 102 | 53 |
| 54 void ScheduleSliceDownload() | |
| 55 { | |
| 56 assert(downloadStack_.get() != NULL); | |
| 57 | |
| 58 unsigned int slice; | |
| 59 if (downloadStack_->Pop(slice)) | |
| 60 { | |
| 61 loader_.ScheduleLoadSliceImage(slice, SliceImageQuality_Jpeg90); | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 | |
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66 static bool IsCompatible(const Slice& a, |
| 102 | 67 const Slice& b) |
| 68 { | |
| 69 if (!GeometryToolbox::IsParallel(a.GetGeometry().GetNormal(), | |
| 70 b.GetGeometry().GetNormal())) | |
| 71 { | |
| 72 LOG(ERROR) << "Some slice in the volume image is not parallel to the others"; | |
| 73 return false; | |
| 74 } | |
| 75 | |
| 76 if (a.GetConverter().GetExpectedPixelFormat() != b.GetConverter().GetExpectedPixelFormat()) | |
| 77 { | |
| 78 LOG(ERROR) << "The pixel format changes across the slices of the volume image"; | |
| 79 return false; | |
| 80 } | |
| 81 | |
| 82 if (a.GetWidth() != b.GetWidth() || | |
| 83 a.GetHeight() != b.GetHeight()) | |
| 84 { | |
| 85 LOG(ERROR) << "The width/height of the slices change across the volume image"; | |
| 86 return false; | |
| 87 } | |
| 88 | |
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89 if (!LinearAlgebra::IsNear(a.GetPixelSpacingX(), b.GetPixelSpacingX()) || |
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90 !LinearAlgebra::IsNear(a.GetPixelSpacingY(), b.GetPixelSpacingY())) |
| 102 | 91 { |
| 92 LOG(ERROR) << "The pixel spacing of the slices change across the volume image"; | |
| 93 return false; | |
| 94 } | |
| 95 | |
| 96 return true; | |
| 97 } | |
| 98 | |
| 99 | |
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100 static double GetDistance(const Slice& a, |
| 102 | 101 const Slice& b) |
| 102 { | |
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103 return fabs(a.GetGeometry().ProjectAlongNormal(a.GetGeometry().GetOrigin()) - |
| 102 | 104 a.GetGeometry().ProjectAlongNormal(b.GetGeometry().GetOrigin())); |
| 105 } | |
| 106 | |
| 107 | |
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108 void OnSliceGeometryReady(const OrthancSlicesLoader& loader) |
| 102 | 109 { |
| 110 if (loader.GetSliceCount() == 0) | |
| 111 { | |
| 112 LOG(ERROR) << "Empty volume image"; | |
| 113 SlicedVolumeBase::NotifyGeometryError(); | |
| 114 return; | |
| 115 } | |
| 116 | |
| 117 for (size_t i = 1; i < loader.GetSliceCount(); i++) | |
| 118 { | |
| 119 if (!IsCompatible(loader.GetSlice(0), loader.GetSlice(i))) | |
| 120 { | |
| 121 SlicedVolumeBase::NotifyGeometryError(); | |
| 122 return; | |
| 123 } | |
| 124 } | |
| 125 | |
| 126 double spacingZ; | |
| 127 | |
| 128 if (loader.GetSliceCount() > 1) | |
| 129 { | |
| 130 spacingZ = GetDistance(loader.GetSlice(0), loader.GetSlice(1)); | |
| 131 } | |
| 132 else | |
| 133 { | |
| 134 // This is a volume with one single slice: Choose a dummy | |
| 135 // z-dimension for voxels | |
| 136 spacingZ = 1; | |
| 137 } | |
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138 |
| 102 | 139 for (size_t i = 1; i < loader.GetSliceCount(); i++) |
| 140 { | |
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141 if (!LinearAlgebra::IsNear(spacingZ, GetDistance(loader.GetSlice(i - 1), loader.GetSlice(i)), |
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142 0.001 /* this is expressed in mm */)) |
| 102 | 143 { |
| 144 LOG(ERROR) << "The distance between successive slices is not constant in a volume image"; | |
| 145 SlicedVolumeBase::NotifyGeometryError(); | |
| 146 return; | |
| 147 } | |
| 148 } | |
| 149 | |
| 150 unsigned int width = loader.GetSlice(0).GetWidth(); | |
| 151 unsigned int height = loader.GetSlice(0).GetHeight(); | |
| 152 Orthanc::PixelFormat format = loader.GetSlice(0).GetConverter().GetExpectedPixelFormat(); | |
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153 LOG(INFO) << "Creating a volume image of size " << width << "x" << height |
| 102 | 154 << "x" << loader.GetSliceCount() << " in " << Orthanc::EnumerationToString(format); |
| 155 | |
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156 image_.reset(new ImageBuffer3D(format, width, height, loader.GetSliceCount(), computeRange_)); |
| 102 | 157 image_->SetAxialGeometry(loader.GetSlice(0).GetGeometry()); |
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158 image_->SetVoxelDimensions(loader.GetSlice(0).GetPixelSpacingX(), |
| 102 | 159 loader.GetSlice(0).GetPixelSpacingY(), spacingZ); |
| 160 image_->Clear(); | |
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161 |
| 102 | 162 downloadStack_.reset(new DownloadStack(loader.GetSliceCount())); |
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163 pendingSlices_ = loader.GetSliceCount(); |
| 102 | 164 |
| 165 for (unsigned int i = 0; i < 4; i++) // Limit to 4 simultaneous downloads | |
| 166 { | |
| 167 ScheduleSliceDownload(); | |
| 168 } | |
| 169 | |
| 170 // TODO Check the DicomFrameConverter are constant | |
| 171 | |
| 172 SlicedVolumeBase::NotifyGeometryReady(); | |
| 173 } | |
| 174 | |
| 252 | 175 virtual void OnSliceImageReady(const OrthancSlicesLoader& loader, |
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176 unsigned int sliceIndex, |
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177 const Slice& slice, |
| 378 | 178 const Orthanc::ImageAccessor& image, |
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179 SliceImageQuality quality) |
| 102 | 180 { |
| 181 { | |
| 182 ImageBuffer3D::SliceWriter writer(*image_, VolumeProjection_Axial, sliceIndex); | |
| 378 | 183 Orthanc::ImageProcessing::Copy(writer.GetAccessor(), image); |
| 102 | 184 } |
| 185 | |
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186 SlicedVolumeBase::NotifySliceContentChange(sliceIndex, slice); |
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187 |
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188 if (pendingSlices_ == 1) |
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189 { |
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190 SlicedVolumeBase::NotifyVolumeReady(); |
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191 pendingSlices_ = 0; |
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192 } |
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193 else if (pendingSlices_ > 1) |
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194 { |
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195 pendingSlices_ -= 1; |
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196 } |
| 102 | 197 |
| 198 ScheduleSliceDownload(); | |
| 199 } | |
| 200 | |
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201 virtual void HandleMessage(const IObservable& from, const IMessage& message) |
| 102 | 202 { |
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203 switch (message.GetType()) |
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204 { |
| 378 | 205 case MessageType_SliceLoader_GeometryReady: |
| 206 OnSliceGeometryReady(dynamic_cast<const OrthancSlicesLoader&>(from)); | |
| 207 break; | |
| 208 | |
| 209 case MessageType_SliceLoader_GeometryError: | |
| 210 LOG(ERROR) << "Unable to download a volume image"; | |
| 211 SlicedVolumeBase::NotifyGeometryError(); | |
| 212 break; | |
| 213 | |
| 214 case MessageType_SliceLoader_ImageReady: | |
| 215 { | |
| 216 const OrthancSlicesLoader::SliceImageReadyMessage& msg = | |
| 217 dynamic_cast<const OrthancSlicesLoader::SliceImageReadyMessage&>(message); | |
| 218 OnSliceImageReady(dynamic_cast<const OrthancSlicesLoader&>(from), | |
| 219 msg.GetSliceIndex(), | |
| 220 msg.GetSlice(), | |
| 221 msg.GetImage(), | |
| 222 msg.GetEffectiveQuality()); | |
| 223 break; | |
| 224 } | |
| 225 | |
| 226 case MessageType_SliceLoader_ImageError: | |
| 227 { | |
| 228 const OrthancSlicesLoader::SliceImageErrorMessage& msg = | |
| 229 dynamic_cast<const OrthancSlicesLoader::SliceImageErrorMessage&>(message); | |
| 230 LOG(ERROR) << "Cannot download slice " << msg.GetSliceIndex() << " in a volume image"; | |
| 231 ScheduleSliceDownload(); | |
| 232 break; | |
| 233 } | |
| 234 | |
| 235 default: | |
| 236 VLOG("unhandled message type" << message.GetType()); | |
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237 } |
| 102 | 238 } |
| 239 | |
| 240 public: | |
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241 OrthancVolumeImage(MessageBroker& broker, |
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242 OrthancApiClient& orthanc, |
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243 bool computeRange) : |
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244 OrthancStone::IObserver(broker), |
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245 loader_(broker, orthanc), |
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246 computeRange_(computeRange), |
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247 pendingSlices_(0) |
| 102 | 248 { |
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249 // TODO: replace with new callables loader_.RegisterObserver(*this); |
| 102 | 250 } |
| 251 | |
| 252 void ScheduleLoadSeries(const std::string& seriesId) | |
| 253 { | |
| 254 loader_.ScheduleLoadSeries(seriesId); | |
| 255 } | |
| 256 | |
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257 void ScheduleLoadInstance(const std::string& instanceId) |
| 102 | 258 { |
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259 loader_.ScheduleLoadInstance(instanceId); |
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260 } |
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261 |
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262 void ScheduleLoadFrame(const std::string& instanceId, |
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263 unsigned int frame) |
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264 { |
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265 loader_.ScheduleLoadFrame(instanceId, frame); |
| 102 | 266 } |
| 267 | |
| 268 virtual size_t GetSliceCount() const | |
| 269 { | |
| 270 return loader_.GetSliceCount(); | |
| 271 } | |
| 272 | |
| 273 virtual const Slice& GetSlice(size_t index) const | |
| 274 { | |
| 275 return loader_.GetSlice(index); | |
| 276 } | |
| 277 | |
| 278 ImageBuffer3D& GetImage() const | |
| 279 { | |
| 280 if (image_.get() == NULL) | |
| 281 { | |
| 282 // The geometry is not ready yet | |
| 283 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 284 } | |
| 285 else | |
| 286 { | |
| 287 return *image_; | |
| 288 } | |
| 289 } | |
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290 |
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291 bool FitWindowingToRange(RenderStyle& style, |
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292 const DicomFrameConverter& converter) const |
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293 { |
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294 if (image_.get() == NULL) |
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295 { |
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296 return false; |
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297 } |
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298 else |
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299 { |
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300 return image_->FitWindowingToRange(style, converter); |
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301 } |
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302 } |
| 102 | 303 }; |
| 304 | |
| 305 | |
| 306 class VolumeImageGeometry | |
| 307 { | |
| 308 private: | |
| 309 unsigned int width_; | |
| 310 unsigned int height_; | |
| 311 size_t depth_; | |
| 312 double pixelSpacingX_; | |
| 313 double pixelSpacingY_; | |
| 314 double sliceThickness_; | |
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315 CoordinateSystem3D reference_; |
| 102 | 316 DicomFrameConverter converter_; |
| 317 | |
| 318 double ComputeAxialThickness(const OrthancVolumeImage& volume) const | |
| 319 { | |
| 320 double thickness; | |
| 321 | |
| 322 size_t n = volume.GetSliceCount(); | |
| 323 if (n > 1) | |
| 324 { | |
| 325 const Slice& a = volume.GetSlice(0); | |
| 326 const Slice& b = volume.GetSlice(n - 1); | |
| 327 thickness = ((reference_.ProjectAlongNormal(b.GetGeometry().GetOrigin()) - | |
| 328 reference_.ProjectAlongNormal(a.GetGeometry().GetOrigin())) / | |
| 329 (static_cast<double>(n) - 1.0)); | |
| 330 } | |
| 331 else | |
| 332 { | |
| 333 thickness = volume.GetSlice(0).GetThickness(); | |
| 334 } | |
| 335 | |
| 336 if (thickness <= 0) | |
| 337 { | |
| 338 // The slices should have been sorted with increasing Z | |
| 339 // (along the normal) by the OrthancSlicesLoader | |
| 340 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 341 } | |
| 342 else | |
| 343 { | |
| 344 return thickness; | |
| 345 } | |
| 346 } | |
| 347 | |
| 348 void SetupAxial(const OrthancVolumeImage& volume) | |
| 349 { | |
| 350 const Slice& axial = volume.GetSlice(0); | |
| 351 | |
| 352 width_ = axial.GetWidth(); | |
| 353 height_ = axial.GetHeight(); | |
| 354 depth_ = volume.GetSliceCount(); | |
| 355 | |
| 356 pixelSpacingX_ = axial.GetPixelSpacingX(); | |
| 357 pixelSpacingY_ = axial.GetPixelSpacingY(); | |
| 358 sliceThickness_ = ComputeAxialThickness(volume); | |
| 359 | |
| 360 reference_ = axial.GetGeometry(); | |
| 361 } | |
| 362 | |
| 363 void SetupCoronal(const OrthancVolumeImage& volume) | |
| 364 { | |
| 365 const Slice& axial = volume.GetSlice(0); | |
| 366 double axialThickness = ComputeAxialThickness(volume); | |
| 367 | |
| 368 width_ = axial.GetWidth(); | |
| 369 height_ = volume.GetSliceCount(); | |
| 370 depth_ = axial.GetHeight(); | |
| 371 | |
| 372 pixelSpacingX_ = axial.GetPixelSpacingX(); | |
| 373 pixelSpacingY_ = axialThickness; | |
| 374 sliceThickness_ = axial.GetPixelSpacingY(); | |
| 375 | |
| 376 Vector origin = axial.GetGeometry().GetOrigin(); | |
| 377 origin += (static_cast<double>(volume.GetSliceCount() - 1) * | |
| 378 axialThickness * axial.GetGeometry().GetNormal()); | |
| 379 | |
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380 reference_ = CoordinateSystem3D(origin, |
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381 axial.GetGeometry().GetAxisX(), |
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382 -axial.GetGeometry().GetNormal()); |
| 102 | 383 } |
| 384 | |
| 385 void SetupSagittal(const OrthancVolumeImage& volume) | |
| 386 { | |
| 387 const Slice& axial = volume.GetSlice(0); | |
| 388 double axialThickness = ComputeAxialThickness(volume); | |
| 389 | |
| 390 width_ = axial.GetHeight(); | |
| 391 height_ = volume.GetSliceCount(); | |
| 392 depth_ = axial.GetWidth(); | |
| 393 | |
| 394 pixelSpacingX_ = axial.GetPixelSpacingY(); | |
| 395 pixelSpacingY_ = axialThickness; | |
| 396 sliceThickness_ = axial.GetPixelSpacingX(); | |
| 397 | |
| 398 Vector origin = axial.GetGeometry().GetOrigin(); | |
| 399 origin += (static_cast<double>(volume.GetSliceCount() - 1) * | |
| 400 axialThickness * axial.GetGeometry().GetNormal()); | |
| 401 | |
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402 reference_ = CoordinateSystem3D(origin, |
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403 axial.GetGeometry().GetAxisY(), |
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404 axial.GetGeometry().GetNormal()); |
| 102 | 405 } |
| 406 | |
| 407 public: | |
| 408 VolumeImageGeometry(const OrthancVolumeImage& volume, | |
| 409 VolumeProjection projection) | |
| 410 { | |
| 411 if (volume.GetSliceCount() == 0) | |
| 412 { | |
| 413 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 414 } | |
| 415 | |
| 416 converter_ = volume.GetSlice(0).GetConverter(); | |
| 417 | |
| 418 switch (projection) | |
| 419 { | |
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420 case VolumeProjection_Axial: |
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421 SetupAxial(volume); |
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422 break; |
| 102 | 423 |
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424 case VolumeProjection_Coronal: |
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425 SetupCoronal(volume); |
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426 break; |
| 102 | 427 |
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428 case VolumeProjection_Sagittal: |
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429 SetupSagittal(volume); |
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430 break; |
| 102 | 431 |
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432 default: |
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433 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
| 102 | 434 } |
| 435 } | |
| 436 | |
| 437 size_t GetSliceCount() const | |
| 438 { | |
| 439 return depth_; | |
| 440 } | |
| 441 | |
| 442 const Vector& GetNormal() const | |
| 443 { | |
| 444 return reference_.GetNormal(); | |
| 445 } | |
| 446 | |
| 447 bool LookupSlice(size_t& index, | |
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448 const CoordinateSystem3D& slice) const |
| 102 | 449 { |
| 450 bool opposite; | |
| 451 if (!GeometryToolbox::IsParallelOrOpposite(opposite, | |
| 452 reference_.GetNormal(), | |
| 453 slice.GetNormal())) | |
| 454 { | |
| 455 return false; | |
| 456 } | |
| 457 | |
| 458 double z = (reference_.ProjectAlongNormal(slice.GetOrigin()) - | |
| 459 reference_.ProjectAlongNormal(reference_.GetOrigin())) / sliceThickness_; | |
| 460 | |
| 461 int s = static_cast<int>(boost::math::iround(z)); | |
| 462 | |
| 463 if (s < 0 || | |
| 464 s >= static_cast<int>(depth_)) | |
| 465 { | |
| 466 return false; | |
| 467 } | |
| 468 else | |
| 469 { | |
| 470 index = static_cast<size_t>(s); | |
| 471 return true; | |
| 472 } | |
| 473 } | |
| 474 | |
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475 Slice* GetSlice(size_t slice) const |
| 102 | 476 { |
| 216 | 477 if (slice >= depth_) |
| 102 | 478 { |
| 479 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 480 } | |
| 481 else | |
| 482 { | |
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483 CoordinateSystem3D origin(reference_.GetOrigin() + |
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484 static_cast<double>(slice) * sliceThickness_ * reference_.GetNormal(), |
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485 reference_.GetAxisX(), |
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486 reference_.GetAxisY()); |
| 102 | 487 |
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488 return new Slice(origin, pixelSpacingX_, pixelSpacingY_, sliceThickness_, |
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489 width_, height_, converter_); |
| 102 | 490 } |
| 491 } | |
| 492 }; | |
| 493 | |
| 494 | |
| 495 | |
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496 class VolumeImageMPRSlicer : |
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497 public IVolumeSlicer, |
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498 private ISlicedVolume::IObserver |
| 102 | 499 { |
| 500 private: | |
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501 class RendererFactory : public LayerReadyMessage::IRendererFactory |
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502 { |
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503 private: |
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504 const Orthanc::ImageAccessor& frame_; |
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505 const Slice& slice_; |
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506 bool isFullQuality_; |
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507 |
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508 public: |
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509 RendererFactory(const Orthanc::ImageAccessor& frame, |
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510 const Slice& slice, |
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511 bool isFullQuality) : |
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512 frame_(frame), |
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513 slice_(slice), |
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514 isFullQuality_(isFullQuality) |
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515 { |
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516 } |
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517 |
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518 virtual ILayerRenderer* CreateRenderer() const |
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519 { |
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520 return FrameRenderer::CreateRenderer(frame_, slice_, isFullQuality_); |
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521 } |
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522 }; |
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523 |
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524 |
| 102 | 525 OrthancVolumeImage& volume_; |
| 526 std::auto_ptr<VolumeImageGeometry> axialGeometry_; | |
| 527 std::auto_ptr<VolumeImageGeometry> coronalGeometry_; | |
| 528 std::auto_ptr<VolumeImageGeometry> sagittalGeometry_; | |
| 529 | |
| 530 | |
| 531 bool IsGeometryReady() const | |
| 532 { | |
| 533 return axialGeometry_.get() != NULL; | |
| 534 } | |
| 535 | |
| 536 | |
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537 virtual void NotifyGeometryReady(const ISlicedVolume& volume) ORTHANC_OVERRIDE |
| 102 | 538 { |
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539 // These 3 values are only used to speed up the IVolumeSlicer |
| 102 | 540 axialGeometry_.reset(new VolumeImageGeometry(volume_, VolumeProjection_Axial)); |
| 541 coronalGeometry_.reset(new VolumeImageGeometry(volume_, VolumeProjection_Coronal)); | |
| 542 sagittalGeometry_.reset(new VolumeImageGeometry(volume_, VolumeProjection_Sagittal)); | |
| 543 | |
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544 EmitMessage(IVolumeSlicer::GeometryReadyMessage(*this)); |
| 102 | 545 } |
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546 |
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547 virtual void NotifyGeometryError(const ISlicedVolume& volume) ORTHANC_OVERRIDE |
| 102 | 548 { |
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549 EmitMessage(IVolumeSlicer::GeometryErrorMessage(*this)); |
| 102 | 550 } |
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551 |
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552 virtual void NotifyContentChange(const ISlicedVolume& volume) ORTHANC_OVERRIDE |
| 102 | 553 { |
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554 EmitMessage(IVolumeSlicer::ContentChangedMessage(*this)); |
| 102 | 555 } |
| 556 | |
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557 virtual void NotifySliceContentChange(const ISlicedVolume& volume, |
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558 const size_t& sliceIndex, |
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559 const Slice& slice) ORTHANC_OVERRIDE |
| 102 | 560 { |
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561 //IVolumeSlicer::NotifySliceContentChange(slice); |
| 102 | 562 |
| 563 // TODO Improve this? | |
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564 EmitMessage(IVolumeSlicer::ContentChangedMessage(*this)); |
| 102 | 565 } |
| 566 | |
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567 virtual void NotifyVolumeReady(const ISlicedVolume& volume) ORTHANC_OVERRIDE |
| 138 | 568 { |
| 569 } | |
| 102 | 570 |
| 571 const VolumeImageGeometry& GetProjectionGeometry(VolumeProjection projection) | |
| 572 { | |
| 573 if (!IsGeometryReady()) | |
| 574 { | |
| 575 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 576 } | |
| 577 | |
| 578 switch (projection) | |
| 579 { | |
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580 case VolumeProjection_Axial: |
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581 return *axialGeometry_; |
| 102 | 582 |
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583 case VolumeProjection_Sagittal: |
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584 return *sagittalGeometry_; |
| 102 | 585 |
|
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586 case VolumeProjection_Coronal: |
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587 return *coronalGeometry_; |
| 102 | 588 |
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589 default: |
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590 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
| 102 | 591 } |
| 592 } | |
| 593 | |
| 594 | |
| 595 bool DetectProjection(VolumeProjection& projection, | |
|
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596 const CoordinateSystem3D& viewportSlice) |
| 102 | 597 { |
| 598 bool isOpposite; // Ignored | |
| 599 | |
| 600 if (GeometryToolbox::IsParallelOrOpposite(isOpposite, | |
| 601 viewportSlice.GetNormal(), | |
| 602 axialGeometry_->GetNormal())) | |
| 603 { | |
| 604 projection = VolumeProjection_Axial; | |
| 605 return true; | |
| 606 } | |
| 607 else if (GeometryToolbox::IsParallelOrOpposite(isOpposite, | |
| 608 viewportSlice.GetNormal(), | |
| 609 sagittalGeometry_->GetNormal())) | |
| 610 { | |
| 611 projection = VolumeProjection_Sagittal; | |
| 612 return true; | |
| 613 } | |
| 614 else if (GeometryToolbox::IsParallelOrOpposite(isOpposite, | |
| 615 viewportSlice.GetNormal(), | |
| 616 coronalGeometry_->GetNormal())) | |
| 617 { | |
| 618 projection = VolumeProjection_Coronal; | |
| 619 return true; | |
| 620 } | |
| 621 else | |
| 622 { | |
| 623 return false; | |
| 624 } | |
| 625 } | |
| 626 | |
| 627 | |
| 628 public: | |
|
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629 VolumeImageMPRSlicer(MessageBroker& broker, |
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630 OrthancVolumeImage& volume) : |
|
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631 IVolumeSlicer(broker), |
| 102 | 632 volume_(volume) |
| 633 { | |
| 634 volume_.Register(*this); | |
| 635 } | |
| 636 | |
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637 virtual ~VolumeImageMPRSlicer() |
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638 { |
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639 } |
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640 |
| 102 | 641 virtual bool GetExtent(std::vector<Vector>& points, |
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642 const CoordinateSystem3D& viewportSlice) ORTHANC_OVERRIDE |
| 102 | 643 { |
| 644 VolumeProjection projection; | |
| 645 | |
| 646 if (!IsGeometryReady() || | |
| 647 !DetectProjection(projection, viewportSlice)) | |
| 648 { | |
| 649 return false; | |
| 650 } | |
| 651 else | |
|
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652 { |
| 102 | 653 // As the slices of the volumic image are arranged in a box, |
| 654 // we only consider one single reference slice (the one with index 0). | |
|
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655 std::auto_ptr<Slice> slice(GetProjectionGeometry(projection).GetSlice(0)); |
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656 slice->GetExtent(points); |
| 102 | 657 |
| 658 return true; | |
| 659 } | |
| 660 } | |
| 661 | |
| 662 | |
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663 virtual void ScheduleLayerCreation(const CoordinateSystem3D& viewportSlice) ORTHANC_OVERRIDE |
| 102 | 664 { |
| 665 VolumeProjection projection; | |
| 666 | |
| 667 if (IsGeometryReady() && | |
| 668 DetectProjection(projection, viewportSlice)) | |
| 669 { | |
| 670 const VolumeImageGeometry& geometry = GetProjectionGeometry(projection); | |
| 671 | |
| 672 size_t closest; | |
| 673 | |
| 674 if (geometry.LookupSlice(closest, viewportSlice)) | |
| 675 { | |
| 676 bool isFullQuality = true; // TODO | |
| 677 | |
| 678 std::auto_ptr<Orthanc::Image> frame; | |
| 679 | |
| 680 { | |
| 681 ImageBuffer3D::SliceReader reader(volume_.GetImage(), projection, closest); | |
| 682 | |
| 683 // TODO Transfer ownership if non-axial, to avoid memcpy | |
| 684 frame.reset(Orthanc::Image::Clone(reader.GetAccessor())); | |
| 685 } | |
| 686 | |
|
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687 std::auto_ptr<Slice> slice(geometry.GetSlice(closest)); |
|
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688 |
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689 RendererFactory factory(*frame, *slice, isFullQuality); |
|
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690 |
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691 EmitMessage(IVolumeSlicer::LayerReadyMessage(*this, factory, slice->GetGeometry())); |
| 102 | 692 return; |
| 693 } | |
| 694 } | |
| 695 | |
| 696 // Error | |
|
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697 CoordinateSystem3D slice; |
|
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698 EmitMessage(IVolumeSlicer::LayerErrorMessage(*this, slice)); |
| 102 | 699 } |
| 700 }; | |
|
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701 |
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702 |
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703 class VolumeImageInteractor : |
|
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704 public IWorldSceneInteractor, |
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705 protected ISlicedVolume::IObserver |
|
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706 { |
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707 private: |
|
388
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|
708 SliceViewerWidget& widget_; |
|
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709 VolumeProjection projection_; |
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710 std::auto_ptr<VolumeImageGeometry> slices_; |
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711 size_t slice_; |
|
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712 |
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713 protected: |
|
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714 virtual void NotifyGeometryReady(const ISlicedVolume& volume) |
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|
715 { |
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716 if (slices_.get() == NULL) |
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717 { |
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718 const OrthancVolumeImage& image = dynamic_cast<const OrthancVolumeImage&>(volume); |
|
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|
719 |
|
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|
720 slices_.reset(new VolumeImageGeometry(image, projection_)); |
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721 SetSlice(slices_->GetSliceCount() / 2); |
|
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|
722 |
| 330 | 723 widget_.FitContent(); |
|
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724 } |
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|
725 } |
|
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changeset
|
726 |
|
104
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changeset
|
727 virtual void NotifyGeometryError(const ISlicedVolume& volume) |
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728 { |
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|
729 } |
|
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|
730 |
|
104
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|
731 virtual void NotifyContentChange(const ISlicedVolume& volume) |
|
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|
732 { |
|
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733 } |
|
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changeset
|
734 |
|
399
885e1ebd315c
rename SliceChange as SliceContentChange
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398
diff
changeset
|
735 virtual void NotifySliceContentChange(const ISlicedVolume& volume, |
|
402
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|
736 const size_t& sliceIndex, |
|
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changeset
|
737 const Slice& slice) |
|
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|
738 { |
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739 } |
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740 |
| 138 | 741 virtual void NotifyVolumeReady(const ISlicedVolume& volume) |
| 742 { | |
| 743 } | |
| 744 | |
|
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|
745 virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget, |
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746 const ViewportGeometry& view, |
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747 MouseButton button, |
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|
748 double x, |
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749 double y, |
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750 IStatusBar* statusBar) |
|
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751 { |
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changeset
|
752 return NULL; |
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753 } |
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|
754 |
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|
755 virtual void MouseOver(CairoContext& context, |
|
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756 WorldSceneWidget& widget, |
|
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|
757 const ViewportGeometry& view, |
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758 double x, |
|
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|
759 double y, |
|
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changeset
|
760 IStatusBar* statusBar) |
|
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|
761 { |
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762 } |
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|
763 |
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764 virtual void MouseWheel(WorldSceneWidget& widget, |
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765 MouseWheelDirection direction, |
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766 KeyboardModifiers modifiers, |
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767 IStatusBar* statusBar) |
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|
768 { |
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769 int scale = (modifiers & KeyboardModifiers_Control ? 10 : 1); |
|
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770 |
|
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|
771 switch (direction) |
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772 { |
|
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773 case MouseWheelDirection_Up: |
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|
774 OffsetSlice(-scale); |
|
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|
775 break; |
|
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|
776 |
|
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|
777 case MouseWheelDirection_Down: |
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changeset
|
778 OffsetSlice(scale); |
|
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changeset
|
779 break; |
|
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|
780 |
|
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changeset
|
781 default: |
|
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changeset
|
782 break; |
|
104
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|
783 } |
|
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diff
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|
784 } |
|
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diff
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|
785 |
|
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parents:
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diff
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|
786 virtual void KeyPressed(WorldSceneWidget& widget, |
| 327 | 787 KeyboardKeys key, |
| 788 char keyChar, | |
|
104
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diff
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|
789 KeyboardModifiers modifiers, |
|
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diff
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|
790 IStatusBar* statusBar) |
|
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diff
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|
791 { |
| 327 | 792 switch (keyChar) |
|
104
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|
793 { |
|
402
72355b637945
removed VolumeSlicerBase
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parents:
401
diff
changeset
|
794 case 's': |
|
72355b637945
removed VolumeSlicerBase
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
401
diff
changeset
|
795 widget.FitContent(); |
|
72355b637945
removed VolumeSlicerBase
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
401
diff
changeset
|
796 break; |
|
104
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parents:
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diff
changeset
|
797 |
|
402
72355b637945
removed VolumeSlicerBase
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
401
diff
changeset
|
798 default: |
|
72355b637945
removed VolumeSlicerBase
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
401
diff
changeset
|
799 break; |
|
104
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|
800 } |
|
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|
801 } |
|
318
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diff
changeset
|
802 |
|
104
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diff
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|
803 public: |
|
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parents:
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diff
changeset
|
804 VolumeImageInteractor(OrthancVolumeImage& volume, |
|
388
20f149669c1f
renamed LayerWidget as SliceViewerWidget
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
805 SliceViewerWidget& widget, |
|
104
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806 VolumeProjection projection) : |
|
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|
807 widget_(widget), |
|
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|
808 projection_(projection) |
|
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|
809 { |
|
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810 volume.Register(*this); |
|
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811 widget.SetInteractor(*this); |
|
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|
812 } |
|
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diff
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|
813 |
|
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diff
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|
814 bool IsGeometryReady() const |
|
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|
815 { |
|
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|
816 return slices_.get() != NULL; |
|
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|
817 } |
|
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diff
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|
818 |
|
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|
819 size_t GetSliceCount() const |
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|
820 { |
|
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|
821 if (slices_.get() == NULL) |
|
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822 { |
|
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|
823 return 0; |
|
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|
824 } |
|
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|
825 else |
|
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|
826 { |
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827 return slices_->GetSliceCount(); |
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828 } |
|
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|
829 } |
|
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diff
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|
830 |
|
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|
831 void OffsetSlice(int offset) |
|
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|
832 { |
|
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|
833 if (slices_.get() != NULL) |
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834 { |
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835 int slice = static_cast<int>(slice_) + offset; |
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|
836 |
|
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|
837 if (slice < 0) |
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|
838 { |
|
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|
839 slice = 0; |
|
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|
840 } |
|
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changeset
|
841 |
|
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diff
changeset
|
842 if (slice >= static_cast<int>(slices_->GetSliceCount())) |
|
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|
843 { |
|
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|
844 slice = slices_->GetSliceCount() - 1; |
|
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845 } |
|
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diff
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|
846 |
|
318
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diff
changeset
|
847 if (slice != static_cast<int>(slice_)) |
|
104
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diff
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|
848 { |
|
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diff
changeset
|
849 SetSlice(slice); |
|
318
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diff
changeset
|
850 } |
|
104
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diff
changeset
|
851 } |
|
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diff
changeset
|
852 } |
|
318
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ImageAccessor refactoring + implemented Image Cache in SmartLoader
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diff
changeset
|
853 |
|
104
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102
diff
changeset
|
854 void SetSlice(size_t slice) |
|
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|
855 { |
|
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|
856 if (slices_.get() != NULL) |
|
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102
diff
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|
857 { |
|
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diff
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|
858 slice_ = slice; |
|
119
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parents:
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diff
changeset
|
859 |
|
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parents:
117
diff
changeset
|
860 std::auto_ptr<Slice> tmp(slices_->GetSlice(slice_)); |
|
ba83e38cf3ff
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|
861 widget_.SetSlice(tmp->GetGeometry()); |
|
104
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diff
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|
862 } |
|
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diff
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|
863 } |
|
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|
864 }; |
|
112
948f86e61e83
start of SliceLocationSource
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parents:
110
diff
changeset
|
865 |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
866 |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
867 |
|
402
72355b637945
removed VolumeSlicerBase
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
401
diff
changeset
|
868 class ReferenceLineSource : public IVolumeSlicer |
|
112
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start of SliceLocationSource
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110
diff
changeset
|
869 { |
|
948f86e61e83
start of SliceLocationSource
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diff
changeset
|
870 private: |
|
381
19bd222283ae
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parents:
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diff
changeset
|
871 class RendererFactory : public LayerReadyMessage::IRendererFactory |
|
19bd222283ae
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diff
changeset
|
872 { |
|
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parents:
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diff
changeset
|
873 private: |
|
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parents:
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diff
changeset
|
874 double x1_; |
|
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diff
changeset
|
875 double y1_; |
|
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parents:
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diff
changeset
|
876 double x2_; |
|
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parents:
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diff
changeset
|
877 double y2_; |
|
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parents:
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diff
changeset
|
878 const CoordinateSystem3D& slice_; |
|
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diff
changeset
|
879 |
|
19bd222283ae
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parents:
380
diff
changeset
|
880 public: |
|
19bd222283ae
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parents:
380
diff
changeset
|
881 RendererFactory(double x1, |
|
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parents:
380
diff
changeset
|
882 double y1, |
|
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parents:
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diff
changeset
|
883 double x2, |
|
19bd222283ae
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
884 double y2, |
|
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diff
changeset
|
885 const CoordinateSystem3D& slice) : |
|
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parents:
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diff
changeset
|
886 x1_(x1), |
|
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parents:
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diff
changeset
|
887 y1_(y1), |
|
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parents:
380
diff
changeset
|
888 x2_(x2), |
|
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parents:
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diff
changeset
|
889 y2_(y2), |
|
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parents:
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diff
changeset
|
890 slice_(slice) |
|
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parents:
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diff
changeset
|
891 { |
|
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diff
changeset
|
892 } |
|
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diff
changeset
|
893 |
|
19bd222283ae
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diff
changeset
|
894 virtual ILayerRenderer* CreateRenderer() const |
|
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diff
changeset
|
895 { |
|
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parents:
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diff
changeset
|
896 return new LineLayerRenderer(x1_, y1_, x2_, y2_, slice_); |
|
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diff
changeset
|
897 } |
|
19bd222283ae
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parents:
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diff
changeset
|
898 }; |
|
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parents:
380
diff
changeset
|
899 |
|
388
20f149669c1f
renamed LayerWidget as SliceViewerWidget
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
381
diff
changeset
|
900 SliceViewerWidget& otherPlane_; |
|
112
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
901 |
|
948f86e61e83
start of SliceLocationSource
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parents:
110
diff
changeset
|
902 public: |
|
390
0cb925325470
renamed SiblingSliceLocation as ReferenceLine
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
388
diff
changeset
|
903 ReferenceLineSource(MessageBroker& broker, |
|
0cb925325470
renamed SiblingSliceLocation as ReferenceLine
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|
904 SliceViewerWidget& otherPlane) : |
|
402
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|
905 IVolumeSlicer(broker), |
|
112
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906 otherPlane_(otherPlane) |
|
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|
907 { |
|
401
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|
908 EmitMessage(IVolumeSlicer::GeometryReadyMessage(*this)); |
|
112
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|
909 } |
|
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|
910 |
|
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|
911 virtual bool GetExtent(std::vector<Vector>& points, |
|
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|
912 const CoordinateSystem3D& viewportSlice) |
|
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|
913 { |
|
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|
914 return false; |
|
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|
915 } |
|
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|
916 |
|
948f86e61e83
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|
917 virtual void ScheduleLayerCreation(const CoordinateSystem3D& viewportSlice) |
|
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|
918 { |
|
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919 Slice reference(viewportSlice, 0.001); |
|
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|
920 |
|
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|
921 Vector p, d; |
|
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922 |
|
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923 const CoordinateSystem3D& slice = otherPlane_.GetSlice(); |
|
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924 |
|
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925 // Compute the line of intersection between the two slices |
|
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926 if (!GeometryToolbox::IntersectTwoPlanes(p, d, |
|
112
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927 slice.GetOrigin(), slice.GetNormal(), |
|
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928 viewportSlice.GetOrigin(), viewportSlice.GetNormal())) |
|
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929 { |
|
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930 // The two slice are parallel, don't try and display the intersection |
|
402
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|
931 EmitMessage(IVolumeSlicer::LayerErrorMessage(*this, reference.GetGeometry())); |
|
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932 } |
|
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933 else |
|
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|
934 { |
|
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935 double x1, y1, x2, y2; |
|
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936 viewportSlice.ProjectPoint(x1, y1, p); |
|
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937 viewportSlice.ProjectPoint(x2, y2, p + 1000.0 * d); |
|
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938 |
|
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939 const Extent2D extent = otherPlane_.GetSceneExtent(); |
|
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940 |
|
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941 if (GeometryToolbox::ClipLineToRectangle(x1, y1, x2, y2, |
|
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942 x1, y1, x2, y2, |
|
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943 extent.GetX1(), extent.GetY1(), |
|
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944 extent.GetX2(), extent.GetY2())) |
|
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945 { |
|
381
19bd222283ae
uncoupling LayerReadyMessage from the creation of the renderer
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diff
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|
946 RendererFactory factory(x1, y1, x2, y2, slice); |
|
401
f1c769b3a5c2
start getting rid of VolumeSlicerBase
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diff
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|
947 EmitMessage(IVolumeSlicer::LayerReadyMessage(*this, factory, reference.GetGeometry())); |
|
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948 } |
|
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|
949 else |
|
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|
950 { |
|
380
ba5ad93f935a
ILayerSource::LayerErrorMessage
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|
951 // Error: Parallel slices |
|
402
72355b637945
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|
952 EmitMessage(IVolumeSlicer::LayerErrorMessage(*this, reference.GetGeometry())); |
|
112
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|
953 } |
|
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|
954 } |
|
318
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|
955 } |
|
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|
956 }; |
| 102 | 957 } |