Mercurial > hg > orthanc-stone
annotate Framework/Radiography/RadiographyScene.cpp @ 421:f87f28624b96 cache-in-radiography
tentative to make SmartLoader and RadiographyScene work together (not really working)
| author | am@osimis.io |
|---|---|
| date | Tue, 20 Nov 2018 16:35:29 +0100 |
| parents | c23df8b3433b |
| children |
| rev | line source |
|---|---|
| 408 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * Copyright (C) 2017-2018 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 "RadiographyScene.h" | |
| 23 | |
| 24 #include "../Toolbox/DicomFrameConverter.h" | |
| 25 | |
| 26 #include <Core/Images/Image.h> | |
| 27 #include <Core/Images/ImageProcessing.h> | |
| 28 #include <Core/Images/PamReader.h> | |
| 29 #include <Core/Images/PamWriter.h> | |
| 30 #include <Core/Images/PngWriter.h> | |
| 31 #include <Core/OrthancException.h> | |
| 32 #include <Core/Toolbox.h> | |
| 33 #include <Plugins/Samples/Common/DicomDatasetReader.h> | |
| 34 #include <Plugins/Samples/Common/FullOrthancDataset.h> | |
| 35 | |
| 412 | 36 #include <boost/math/special_functions/round.hpp> |
| 37 | |
| 408 | 38 |
| 39 namespace OrthancStone | |
| 40 { | |
| 41 RadiographyScene::LayerAccessor::LayerAccessor(RadiographyScene& scene, | |
| 42 size_t index) : | |
| 43 scene_(scene), | |
| 44 index_(index) | |
| 45 { | |
| 46 Layers::iterator layer = scene.layers_.find(index); | |
| 47 if (layer == scene.layers_.end()) | |
| 48 { | |
| 49 layer_ = NULL; | |
| 50 } | |
| 51 else | |
| 52 { | |
| 53 assert(layer->second != NULL); | |
| 54 layer_ = layer->second; | |
| 55 } | |
| 56 } | |
| 57 | |
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58 |
| 408 | 59 RadiographyScene::LayerAccessor::LayerAccessor(RadiographyScene& scene, |
| 60 double x, | |
| 61 double y) : | |
| 62 scene_(scene), | |
| 63 index_(0) // Dummy initialization | |
| 64 { | |
| 65 if (scene.LookupLayer(index_, x, y)) | |
| 66 { | |
| 67 Layers::iterator layer = scene.layers_.find(index_); | |
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68 |
| 408 | 69 if (layer == scene.layers_.end()) |
| 70 { | |
| 71 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 72 } | |
| 73 else | |
| 74 { | |
| 75 assert(layer->second != NULL); | |
| 76 layer_ = layer->second; | |
| 77 } | |
| 78 } | |
| 79 else | |
| 80 { | |
| 81 layer_ = NULL; | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 | |
| 86 RadiographyScene& RadiographyScene::LayerAccessor::GetScene() const | |
| 87 { | |
| 88 if (IsValid()) | |
| 89 { | |
| 90 return scene_; | |
| 91 } | |
| 92 else | |
| 93 { | |
| 94 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 95 } | |
| 96 } | |
| 97 | |
| 98 | |
| 99 size_t RadiographyScene::LayerAccessor::GetIndex() const | |
| 100 { | |
| 101 if (IsValid()) | |
| 102 { | |
| 103 return index_; | |
| 104 } | |
| 105 else | |
| 106 { | |
| 107 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 108 } | |
| 109 } | |
| 110 | |
| 111 | |
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112 RadiographyLayer& RadiographyScene::LayerAccessor::GetLayer() const |
| 408 | 113 { |
| 114 if (IsValid()) | |
| 115 { | |
| 116 return *layer_; | |
| 117 } | |
| 118 else | |
| 119 { | |
| 120 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 121 } | |
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122 } |
| 408 | 123 |
| 124 | |
| 125 | |
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126 class RadiographyScene::AlphaLayer : public RadiographyLayer |
| 408 | 127 { |
| 128 private: | |
| 129 const RadiographyScene& scene_; | |
| 130 std::auto_ptr<Orthanc::ImageAccessor> alpha_; // Grayscale8 | |
| 131 bool useWindowing_; | |
| 132 float foreground_; | |
| 133 | |
| 134 public: | |
| 135 AlphaLayer(const RadiographyScene& scene) : | |
| 136 scene_(scene), | |
| 137 useWindowing_(true), | |
| 138 foreground_(0) | |
| 139 { | |
| 140 } | |
| 141 | |
| 142 | |
| 143 void SetForegroundValue(float foreground) | |
| 144 { | |
| 145 useWindowing_ = false; | |
| 146 foreground_ = foreground; | |
| 147 } | |
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148 |
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149 |
| 408 | 150 void SetAlpha(Orthanc::ImageAccessor* image) |
| 151 { | |
| 152 std::auto_ptr<Orthanc::ImageAccessor> raii(image); | |
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153 |
| 408 | 154 if (image == NULL) |
| 155 { | |
| 156 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 157 } | |
| 158 | |
| 159 if (image->GetFormat() != Orthanc::PixelFormat_Grayscale8) | |
| 160 { | |
| 161 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 162 } | |
| 163 | |
| 164 SetSize(image->GetWidth(), image->GetHeight()); | |
| 165 alpha_ = raii; | |
| 166 } | |
| 167 | |
| 168 | |
| 169 void LoadText(const Orthanc::Font& font, | |
| 170 const std::string& utf8) | |
| 171 { | |
| 172 SetAlpha(font.RenderAlpha(utf8)); | |
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173 } |
| 408 | 174 |
| 175 | |
| 176 virtual bool GetDefaultWindowing(float& center, | |
| 177 float& width) const | |
| 178 { | |
| 179 return false; | |
| 180 } | |
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181 |
| 408 | 182 |
| 183 virtual void Render(Orthanc::ImageAccessor& buffer, | |
| 409 | 184 const AffineTransform2D& viewTransform, |
| 408 | 185 ImageInterpolation interpolation) const |
| 186 { | |
| 187 if (alpha_.get() == NULL) | |
| 188 { | |
| 189 return; | |
| 190 } | |
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191 |
| 408 | 192 if (buffer.GetFormat() != Orthanc::PixelFormat_Float32) |
| 193 { | |
| 194 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 195 } | |
| 196 | |
| 197 unsigned int cropX, cropY, cropWidth, cropHeight; | |
| 198 GetCrop(cropX, cropY, cropWidth, cropHeight); | |
| 199 | |
| 409 | 200 const AffineTransform2D t = AffineTransform2D::Combine( |
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201 viewTransform, GetTransform(), |
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202 AffineTransform2D::CreateOffset(cropX, cropY)); |
| 408 | 203 |
| 204 Orthanc::ImageAccessor cropped; | |
| 205 alpha_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight); | |
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206 |
| 408 | 207 Orthanc::Image tmp(Orthanc::PixelFormat_Grayscale8, buffer.GetWidth(), buffer.GetHeight(), false); |
| 409 | 208 |
| 209 t.Apply(tmp, cropped, interpolation, true /* clear */); | |
| 408 | 210 |
| 211 // Blit | |
| 212 const unsigned int width = buffer.GetWidth(); | |
| 213 const unsigned int height = buffer.GetHeight(); | |
| 214 | |
| 215 float value = foreground_; | |
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216 |
| 408 | 217 if (useWindowing_) |
| 218 { | |
| 219 float center, width; | |
| 220 if (scene_.GetWindowing(center, width)) | |
| 221 { | |
| 222 value = center + width / 2.0f; | |
| 223 } | |
| 224 } | |
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225 |
| 408 | 226 for (unsigned int y = 0; y < height; y++) |
| 227 { | |
| 228 float *q = reinterpret_cast<float*>(buffer.GetRow(y)); | |
| 229 const uint8_t *p = reinterpret_cast<uint8_t*>(tmp.GetRow(y)); | |
| 230 | |
| 231 for (unsigned int x = 0; x < width; x++, p++, q++) | |
| 232 { | |
| 233 float a = static_cast<float>(*p) / 255.0f; | |
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234 |
| 408 | 235 *q = (a * value + (1.0f - a) * (*q)); |
| 236 } | |
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237 } |
| 408 | 238 } |
| 239 | |
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240 |
| 408 | 241 virtual bool GetRange(float& minValue, |
| 242 float& maxValue) const | |
| 243 { | |
| 244 if (useWindowing_) | |
| 245 { | |
| 246 return false; | |
| 247 } | |
| 248 else | |
| 249 { | |
| 250 minValue = 0; | |
| 251 maxValue = 0; | |
| 252 | |
| 253 if (foreground_ < 0) | |
| 254 { | |
| 255 minValue = foreground_; | |
| 256 } | |
| 257 | |
| 258 if (foreground_ > 0) | |
| 259 { | |
| 260 maxValue = foreground_; | |
| 261 } | |
| 262 | |
| 263 return true; | |
| 264 } | |
| 265 } | |
| 266 }; | |
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267 |
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268 |
| 408 | 269 |
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270 class RadiographyScene::DicomLayer : public RadiographyLayer |
| 408 | 271 { |
| 272 private: | |
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273 boost::shared_ptr<Orthanc::ImageAccessor> source_; // Content of PixelData |
| 408 | 274 std::auto_ptr<DicomFrameConverter> converter_; |
| 275 std::auto_ptr<Orthanc::ImageAccessor> converted_; // Float32 | |
| 276 | |
| 277 static OrthancPlugins::DicomTag ConvertTag(const Orthanc::DicomTag& tag) | |
| 278 { | |
| 279 return OrthancPlugins::DicomTag(tag.GetGroup(), tag.GetElement()); | |
| 280 } | |
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281 |
| 408 | 282 |
| 283 void ApplyConverter() | |
| 284 { | |
| 285 if (source_.get() != NULL && | |
| 286 converter_.get() != NULL) | |
| 287 { | |
| 288 converted_.reset(converter_->ConvertFrame(*source_)); | |
| 289 } | |
| 290 } | |
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291 |
| 408 | 292 public: |
| 293 void SetDicomTags(const OrthancPlugins::FullOrthancDataset& dataset) | |
| 294 { | |
| 295 converter_.reset(new DicomFrameConverter); | |
| 296 converter_->ReadParameters(dataset); | |
| 297 ApplyConverter(); | |
| 298 | |
| 299 std::string tmp; | |
| 300 Vector pixelSpacing; | |
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301 |
| 408 | 302 if (dataset.GetStringValue(tmp, ConvertTag(Orthanc::DICOM_TAG_PIXEL_SPACING)) && |
| 303 LinearAlgebra::ParseVector(pixelSpacing, tmp) && | |
| 304 pixelSpacing.size() == 2) | |
| 305 { | |
| 306 SetPixelSpacing(pixelSpacing[0], pixelSpacing[1]); | |
| 307 } | |
| 308 | |
| 309 //SetPan(-0.5 * GetPixelSpacingX(), -0.5 * GetPixelSpacingY()); | |
| 310 | |
| 311 OrthancPlugins::DicomDatasetReader reader(dataset); | |
| 312 | |
| 313 unsigned int width, height; | |
| 314 if (!reader.GetUnsignedIntegerValue(width, ConvertTag(Orthanc::DICOM_TAG_COLUMNS)) || | |
| 315 !reader.GetUnsignedIntegerValue(height, ConvertTag(Orthanc::DICOM_TAG_ROWS))) | |
| 316 { | |
| 317 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 318 } | |
| 319 else | |
| 320 { | |
| 321 SetSize(width, height); | |
| 322 } | |
| 323 } | |
| 324 | |
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325 |
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326 void SetSourceImage(boost::shared_ptr<Orthanc::ImageAccessor> image) |
| 408 | 327 { |
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328 if (image.get() == NULL) |
| 408 | 329 { |
| 330 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 331 } | |
| 332 | |
| 333 SetSize(image->GetWidth(), image->GetHeight()); | |
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334 |
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335 source_ = image; |
| 408 | 336 ApplyConverter(); |
| 337 } | |
| 338 | |
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339 |
| 408 | 340 virtual void Render(Orthanc::ImageAccessor& buffer, |
| 409 | 341 const AffineTransform2D& viewTransform, |
| 408 | 342 ImageInterpolation interpolation) const |
| 343 { | |
| 344 if (converted_.get() != NULL) | |
| 345 { | |
| 346 if (converted_->GetFormat() != Orthanc::PixelFormat_Float32) | |
| 347 { | |
| 348 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 349 } | |
| 350 | |
| 351 unsigned int cropX, cropY, cropWidth, cropHeight; | |
| 352 GetCrop(cropX, cropY, cropWidth, cropHeight); | |
| 353 | |
| 409 | 354 AffineTransform2D t = AffineTransform2D::Combine( |
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355 viewTransform, GetTransform(), |
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356 AffineTransform2D::CreateOffset(cropX, cropY)); |
| 408 | 357 |
| 358 Orthanc::ImageAccessor cropped; | |
| 359 converted_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight); | |
| 360 | |
| 409 | 361 t.Apply(buffer, cropped, interpolation, false); |
| 408 | 362 } |
| 363 } | |
| 364 | |
| 365 | |
| 366 virtual bool GetDefaultWindowing(float& center, | |
| 367 float& width) const | |
| 368 { | |
| 369 if (converter_.get() != NULL && | |
| 370 converter_->HasDefaultWindow()) | |
| 371 { | |
| 372 center = static_cast<float>(converter_->GetDefaultWindowCenter()); | |
| 373 width = static_cast<float>(converter_->GetDefaultWindowWidth()); | |
| 374 return true; | |
| 375 } | |
| 376 else | |
| 377 { | |
| 378 return false; | |
| 379 } | |
| 380 } | |
| 381 | |
| 382 | |
| 383 virtual bool GetRange(float& minValue, | |
| 384 float& maxValue) const | |
| 385 { | |
| 386 if (converted_.get() != NULL) | |
| 387 { | |
| 388 if (converted_->GetFormat() != Orthanc::PixelFormat_Float32) | |
| 389 { | |
| 390 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 391 } | |
| 392 | |
| 393 Orthanc::ImageProcessing::GetMinMaxFloatValue(minValue, maxValue, *converted_); | |
| 394 return true; | |
| 395 } | |
| 396 else | |
| 397 { | |
| 398 return false; | |
| 399 } | |
| 400 } | |
| 401 }; | |
| 402 | |
| 403 | |
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404 RadiographyLayer& RadiographyScene::RegisterLayer(RadiographyLayer* layer) |
| 408 | 405 { |
| 406 if (layer == NULL) | |
| 407 { | |
| 408 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 409 } | |
| 410 | |
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411 std::auto_ptr<RadiographyLayer> raii(layer); |
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412 |
| 408 | 413 size_t index = countLayers_++; |
| 414 raii->SetIndex(index); | |
| 415 layers_[index] = raii.release(); | |
| 416 | |
| 417 EmitMessage(GeometryChangedMessage(*this)); | |
| 418 EmitMessage(ContentChangedMessage(*this)); | |
| 419 | |
| 420 return *layer; | |
| 421 } | |
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422 |
| 408 | 423 |
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424 RadiographyScene::RadiographyScene(MessageBroker& broker) : |
| 408 | 425 IObserver(broker), |
| 426 IObservable(broker), | |
| 427 countLayers_(0), | |
| 428 hasWindowing_(false), | |
| 429 windowingCenter_(0), // Dummy initialization | |
| 430 windowingWidth_(0) // Dummy initialization | |
| 431 { | |
| 432 } | |
| 433 | |
| 434 | |
| 435 RadiographyScene::~RadiographyScene() | |
| 436 { | |
| 437 for (Layers::iterator it = layers_.begin(); it != layers_.end(); it++) | |
| 438 { | |
| 439 assert(it->second != NULL); | |
| 440 delete it->second; | |
| 441 } | |
| 442 } | |
| 443 | |
| 444 | |
| 445 bool RadiographyScene::GetWindowing(float& center, | |
| 446 float& width) const | |
| 447 { | |
| 448 if (hasWindowing_) | |
| 449 { | |
| 450 center = windowingCenter_; | |
| 451 width = windowingWidth_; | |
| 452 return true; | |
| 453 } | |
| 454 else | |
| 455 { | |
| 456 return false; | |
| 457 } | |
| 458 } | |
| 459 | |
| 460 | |
| 461 void RadiographyScene::GetWindowingWithDefault(float& center, | |
| 462 float& width) const | |
| 463 { | |
| 464 if (!GetWindowing(center, width)) | |
| 465 { | |
| 466 center = 128; | |
| 467 width = 256; | |
| 468 } | |
| 469 } | |
| 470 | |
| 471 | |
| 472 void RadiographyScene::SetWindowing(float center, | |
| 473 float width) | |
| 474 { | |
| 475 hasWindowing_ = true; | |
| 476 windowingCenter_ = center; | |
| 477 windowingWidth_ = width; | |
| 478 } | |
| 479 | |
| 480 | |
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481 RadiographyLayer& RadiographyScene::LoadText(const Orthanc::Font& font, |
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482 const std::string& utf8) |
| 408 | 483 { |
| 484 std::auto_ptr<AlphaLayer> alpha(new AlphaLayer(*this)); | |
| 485 alpha->LoadText(font, utf8); | |
| 486 | |
| 487 return RegisterLayer(alpha.release()); | |
| 488 } | |
| 489 | |
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490 |
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410
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491 RadiographyLayer& RadiographyScene::LoadTestBlock(unsigned int width, |
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492 unsigned int height) |
| 408 | 493 { |
| 494 std::auto_ptr<Orthanc::Image> block(new Orthanc::Image(Orthanc::PixelFormat_Grayscale8, width, height, false)); | |
| 495 | |
| 496 for (unsigned int padding = 0; | |
| 497 (width > 2 * padding) && (height > 2 * padding); | |
| 498 padding++) | |
| 499 { | |
| 500 uint8_t color; | |
| 501 if (255 > 10 * padding) | |
| 502 { | |
| 503 color = 255 - 10 * padding; | |
| 504 } | |
| 505 else | |
| 506 { | |
| 507 color = 0; | |
| 508 } | |
| 509 | |
| 510 Orthanc::ImageAccessor region; | |
| 511 block->GetRegion(region, padding, padding, width - 2 * padding, height - 2 * padding); | |
| 512 Orthanc::ImageProcessing::Set(region, color); | |
| 513 } | |
| 514 | |
| 515 std::auto_ptr<AlphaLayer> alpha(new AlphaLayer(*this)); | |
| 516 alpha->SetAlpha(block.release()); | |
| 517 | |
| 518 return RegisterLayer(alpha.release()); | |
| 519 } | |
| 520 | |
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521 |
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522 RadiographyLayer& RadiographyScene::LoadDicomFrame(OrthancApiClient& orthanc, |
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523 const std::string& instance, |
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524 unsigned int frame, |
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525 bool httpCompression) |
| 408 | 526 { |
|
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527 RadiographyLayer& layer = RegisterLayer(new DicomLayer); |
| 408 | 528 |
| 529 { | |
|
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530 IWebService::HttpHeaders headers; |
| 408 | 531 std::string uri = "/instances/" + instance + "/tags"; |
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532 |
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533 orthanc.GetBinaryAsync( |
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534 uri, headers, |
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535 new Callable<RadiographyScene, OrthancApiClient::BinaryResponseReadyMessage> |
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536 (*this, &RadiographyScene::OnTagsReceived), NULL, |
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537 new Orthanc::SingleValueObject<size_t>(layer.GetIndex())); |
| 408 | 538 } |
| 539 | |
| 540 { | |
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541 IWebService::HttpHeaders headers; |
| 408 | 542 headers["Accept"] = "image/x-portable-arbitrarymap"; |
| 543 | |
| 544 if (httpCompression) | |
| 545 { | |
| 546 headers["Accept-Encoding"] = "gzip"; | |
| 547 } | |
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548 |
| 408 | 549 std::string uri = ("/instances/" + instance + "/frames/" + |
| 550 boost::lexical_cast<std::string>(frame) + "/image-uint16"); | |
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551 |
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552 orthanc.GetBinaryAsync( |
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553 uri, headers, |
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554 new Callable<RadiographyScene, OrthancApiClient::BinaryResponseReadyMessage> |
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555 (*this, &RadiographyScene::OnFrameReceived), NULL, |
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556 new Orthanc::SingleValueObject<size_t>(layer.GetIndex())); |
| 408 | 557 } |
| 558 | |
| 559 return layer; | |
| 560 } | |
| 561 | |
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562 |
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563 RadiographyLayer& RadiographyScene::LoadDicomWebFrame(IWebService& web) |
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564 { |
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565 RadiographyLayer& layer = RegisterLayer(new DicomLayer); |
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566 |
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567 |
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568 return layer; |
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569 } |
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570 |
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571 RadiographyLayer& RadiographyScene::SetFrame(IVolumeSlicer* slice) |
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572 { |
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573 RadiographyLayer& layer = RegisterLayer(new DicomLayer); |
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574 layersIndexBySlice_[slice] = layer.GetIndex(); |
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575 |
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576 slice->RegisterObserverCallback(new Callable<RadiographyScene, IVolumeSlicer::TagsReadyMessage> |
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577 (*this, &RadiographyScene::OnTagsReady)); |
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578 slice->RegisterObserverCallback(new Callable<RadiographyScene, IVolumeSlicer::FrameReadyMessage> |
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579 (*this, &RadiographyScene::OnImageReady)); |
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580 |
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581 // TODO: register failures |
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582 |
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583 return layer; |
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584 } |
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585 |
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586 void RadiographyScene::OnTagsReady(const IVolumeSlicer::TagsReadyMessage &message) |
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587 { |
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588 size_t layerIndex = layersIndexBySlice_[&(message.GetOrigin())]; |
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589 Layers::iterator layer = layers_.find(layerIndex); |
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590 |
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591 if (layer != layers_.end()) |
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592 { |
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593 assert(layer->second != NULL); |
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594 |
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595 const OrthancPlugins::FullOrthancDataset& dicom = message.GetDicomTags(); |
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596 dynamic_cast<DicomLayer*>(layer->second)->SetDicomTags(dicom); |
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597 |
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598 float c, w; |
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599 if (!hasWindowing_ && |
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600 layer->second->GetDefaultWindowing(c, w)) |
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601 { |
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602 hasWindowing_ = true; |
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603 windowingCenter_ = c; |
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604 windowingWidth_ = w; |
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605 } |
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606 |
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607 EmitMessage(GeometryChangedMessage(*this)); |
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608 |
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609 CoordinateSystem3D dummy; |
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610 message.GetOrigin().ScheduleLayerCreation(dummy); |
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611 } |
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612 |
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613 } |
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614 |
| 408 | 615 void RadiographyScene::OnTagsReceived(const OrthancApiClient::BinaryResponseReadyMessage& message) |
| 616 { | |
| 617 size_t index = dynamic_cast<const Orthanc::SingleValueObject<size_t>&> | |
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618 (message.GetPayload()).GetValue(); |
| 408 | 619 |
| 620 LOG(INFO) << "JSON received: " << message.GetUri().c_str() | |
| 621 << " (" << message.GetAnswerSize() << " bytes) for layer " << index; | |
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622 |
| 408 | 623 Layers::iterator layer = layers_.find(index); |
| 624 if (layer != layers_.end()) | |
| 625 { | |
| 626 assert(layer->second != NULL); | |
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627 |
| 408 | 628 OrthancPlugins::FullOrthancDataset dicom(message.GetAnswer(), message.GetAnswerSize()); |
| 629 dynamic_cast<DicomLayer*>(layer->second)->SetDicomTags(dicom); | |
| 630 | |
| 631 float c, w; | |
| 632 if (!hasWindowing_ && | |
| 633 layer->second->GetDefaultWindowing(c, w)) | |
| 634 { | |
| 635 hasWindowing_ = true; | |
| 636 windowingCenter_ = c; | |
| 637 windowingWidth_ = w; | |
| 638 } | |
| 639 | |
| 640 EmitMessage(GeometryChangedMessage(*this)); | |
| 641 } | |
| 642 } | |
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643 |
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644 |
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645 void RadiographyScene::OnImageReady(const IVolumeSlicer::FrameReadyMessage &message) |
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646 { |
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647 size_t layerIndex = layersIndexBySlice_[&(message.GetOrigin())]; |
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648 Layers::iterator layer = layers_.find(layerIndex); |
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649 |
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650 if (layer != layers_.end()) |
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651 { |
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652 assert(layer->second != NULL); |
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653 |
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654 dynamic_cast<DicomLayer*>(layer->second)->SetSourceImage(message.GetImage()); |
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655 |
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656 EmitMessage(ContentChangedMessage(*this)); |
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657 } |
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658 } |
| 408 | 659 |
| 660 void RadiographyScene::OnFrameReceived(const OrthancApiClient::BinaryResponseReadyMessage& message) | |
| 661 { | |
| 662 size_t index = dynamic_cast<const Orthanc::SingleValueObject<size_t>&>(message.GetPayload()).GetValue(); | |
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663 |
| 408 | 664 LOG(INFO) << "DICOM frame received: " << message.GetUri().c_str() |
| 665 << " (" << message.GetAnswerSize() << " bytes) for layer " << index; | |
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666 |
| 408 | 667 Layers::iterator layer = layers_.find(index); |
| 668 if (layer != layers_.end()) | |
| 669 { | |
| 670 assert(layer->second != NULL); | |
| 671 | |
| 672 std::string content; | |
| 673 if (message.GetAnswerSize() > 0) | |
| 674 { | |
| 675 content.assign(reinterpret_cast<const char*>(message.GetAnswer()), message.GetAnswerSize()); | |
| 676 } | |
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677 |
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678 boost::shared_ptr<Orthanc::PamReader> reader(new Orthanc::PamReader); |
| 408 | 679 reader->ReadFromMemory(content); |
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680 dynamic_cast<DicomLayer*>(layer->second)->SetSourceImage(reader); |
| 408 | 681 |
| 682 EmitMessage(ContentChangedMessage(*this)); | |
| 683 } | |
| 684 } | |
| 685 | |
| 686 | |
| 687 Extent2D RadiographyScene::GetSceneExtent() const | |
| 688 { | |
| 689 Extent2D extent; | |
| 690 | |
| 691 for (Layers::const_iterator it = layers_.begin(); | |
| 692 it != layers_.end(); ++it) | |
| 693 { | |
| 694 assert(it->second != NULL); | |
| 695 extent.Union(it->second->GetExtent()); | |
| 696 } | |
| 697 | |
| 698 return extent; | |
| 699 } | |
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700 |
| 408 | 701 |
| 702 void RadiographyScene::Render(Orthanc::ImageAccessor& buffer, | |
| 409 | 703 const AffineTransform2D& viewTransform, |
| 408 | 704 ImageInterpolation interpolation) const |
| 705 { | |
| 706 Orthanc::ImageProcessing::Set(buffer, 0); | |
| 707 | |
| 708 // Render layers in the background-to-foreground order | |
| 709 for (size_t index = 0; index < countLayers_; index++) | |
| 710 { | |
| 711 Layers::const_iterator it = layers_.find(index); | |
| 712 if (it != layers_.end()) | |
| 713 { | |
| 714 assert(it->second != NULL); | |
| 715 it->second->Render(buffer, viewTransform, interpolation); | |
| 716 } | |
| 717 } | |
| 718 } | |
| 719 | |
| 720 | |
| 721 bool RadiographyScene::LookupLayer(size_t& index /* out */, | |
| 722 double x, | |
| 723 double y) const | |
| 724 { | |
| 725 // Render layers in the foreground-to-background order | |
| 726 for (size_t i = countLayers_; i > 0; i--) | |
| 727 { | |
| 728 index = i - 1; | |
| 729 Layers::const_iterator it = layers_.find(index); | |
| 730 if (it != layers_.end()) | |
| 731 { | |
| 732 assert(it->second != NULL); | |
| 733 if (it->second->Contains(x, y)) | |
| 734 { | |
| 735 return true; | |
| 736 } | |
| 737 } | |
| 738 } | |
| 739 | |
| 740 return false; | |
| 741 } | |
| 742 | |
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743 |
| 408 | 744 void RadiographyScene::DrawBorder(CairoContext& context, |
| 745 unsigned int layer, | |
| 746 double zoom) | |
| 747 { | |
| 748 Layers::const_iterator found = layers_.find(layer); | |
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749 |
| 408 | 750 if (found != layers_.end()) |
| 751 { | |
| 752 context.SetSourceColor(255, 0, 0); | |
| 753 found->second->DrawBorders(context, zoom); | |
| 754 } | |
| 755 } | |
| 756 | |
| 757 | |
| 758 void RadiographyScene::GetRange(float& minValue, | |
| 759 float& maxValue) const | |
| 760 { | |
| 761 bool first = true; | |
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762 |
| 408 | 763 for (Layers::const_iterator it = layers_.begin(); |
| 764 it != layers_.end(); it++) | |
| 765 { | |
| 766 assert(it->second != NULL); | |
| 767 | |
| 768 float a, b; | |
| 769 if (it->second->GetRange(a, b)) | |
| 770 { | |
| 771 if (first) | |
| 772 { | |
| 773 minValue = a; | |
| 774 maxValue = b; | |
| 775 first = false; | |
| 776 } | |
| 777 else | |
| 778 { | |
| 779 minValue = std::min(a, minValue); | |
| 780 maxValue = std::max(b, maxValue); | |
| 781 } | |
| 782 } | |
| 783 } | |
| 784 | |
| 785 if (first) | |
| 786 { | |
| 787 minValue = 0; | |
| 788 maxValue = 0; | |
| 789 } | |
| 790 } | |
| 791 | |
| 792 | |
| 793 // Export using PAM is faster than using PNG, but requires Orthanc | |
| 794 // core >= 1.4.3 | |
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795 void RadiographyScene::ExportDicom(OrthancApiClient& orthanc, |
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796 const Orthanc::DicomMap& dicom, |
| 408 | 797 double pixelSpacingX, |
| 798 double pixelSpacingY, | |
| 799 bool invert, | |
| 800 ImageInterpolation interpolation, | |
| 801 bool usePam) | |
| 802 { | |
| 803 if (pixelSpacingX <= 0 || | |
| 804 pixelSpacingY <= 0) | |
| 805 { | |
| 806 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 807 } | |
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808 |
| 408 | 809 LOG(INFO) << "Exporting DICOM"; |
| 810 | |
| 811 Extent2D extent = GetSceneExtent(); | |
| 812 | |
| 813 int w = std::ceil(extent.GetWidth() / pixelSpacingX); | |
| 814 int h = std::ceil(extent.GetHeight() / pixelSpacingY); | |
| 815 | |
| 816 if (w < 0 || h < 0) | |
| 817 { | |
| 818 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 819 } | |
| 820 | |
| 821 Orthanc::Image layers(Orthanc::PixelFormat_Float32, | |
| 822 static_cast<unsigned int>(w), | |
| 823 static_cast<unsigned int>(h), false); | |
| 824 | |
| 409 | 825 AffineTransform2D view = AffineTransform2D::Combine( |
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826 AffineTransform2D::CreateScaling(1.0 / pixelSpacingX, 1.0 / pixelSpacingY), |
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827 AffineTransform2D::CreateOffset(-extent.GetX1(), -extent.GetY1())); |
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828 |
| 408 | 829 Render(layers, view, interpolation); |
| 830 | |
| 831 Orthanc::Image rendered(Orthanc::PixelFormat_Grayscale16, | |
| 832 layers.GetWidth(), layers.GetHeight(), false); | |
| 833 Orthanc::ImageProcessing::Convert(rendered, layers); | |
| 834 | |
| 835 std::string base64; | |
| 836 | |
| 837 { | |
| 838 std::string content; | |
| 839 | |
| 840 if (usePam) | |
| 841 { | |
| 842 Orthanc::PamWriter writer; | |
| 843 writer.WriteToMemory(content, rendered); | |
| 844 } | |
| 845 else | |
| 846 { | |
| 847 Orthanc::PngWriter writer; | |
| 848 writer.WriteToMemory(content, rendered); | |
| 849 } | |
| 850 | |
| 851 Orthanc::Toolbox::EncodeBase64(base64, content); | |
| 852 } | |
| 853 | |
| 854 std::set<Orthanc::DicomTag> tags; | |
| 855 dicom.GetTags(tags); | |
| 856 | |
| 857 Json::Value json = Json::objectValue; | |
| 858 json["Tags"] = Json::objectValue; | |
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859 |
| 408 | 860 for (std::set<Orthanc::DicomTag>::const_iterator |
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861 tag = tags.begin(); tag != tags.end(); ++tag) |
| 408 | 862 { |
| 863 const Orthanc::DicomValue& value = dicom.GetValue(*tag); | |
| 864 if (!value.IsNull() && | |
| 865 !value.IsBinary()) | |
| 866 { | |
| 867 json["Tags"][tag->Format()] = value.GetContent(); | |
| 868 } | |
| 869 } | |
| 870 | |
| 871 json["Tags"][Orthanc::DICOM_TAG_PHOTOMETRIC_INTERPRETATION.Format()] = | |
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872 (invert ? "MONOCHROME1" : "MONOCHROME2"); |
| 408 | 873 |
| 874 // WARNING: The order of PixelSpacing is Y/X. We use "%0.8f" to | |
| 875 // avoid floating-point numbers to grow over 16 characters, | |
| 876 // which would be invalid according to DICOM standard | |
| 877 // ("dciodvfy" would complain). | |
| 878 char buf[32]; | |
| 879 sprintf(buf, "%0.8f\\%0.8f", pixelSpacingY, pixelSpacingX); | |
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880 |
| 408 | 881 json["Tags"][Orthanc::DICOM_TAG_PIXEL_SPACING.Format()] = buf; |
| 882 | |
| 883 float center, width; | |
| 884 if (GetWindowing(center, width)) | |
| 885 { | |
| 886 json["Tags"][Orthanc::DICOM_TAG_WINDOW_CENTER.Format()] = | |
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887 boost::lexical_cast<std::string>(boost::math::iround(center)); |
| 408 | 888 |
| 889 json["Tags"][Orthanc::DICOM_TAG_WINDOW_WIDTH.Format()] = | |
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890 boost::lexical_cast<std::string>(boost::math::iround(width)); |
| 408 | 891 } |
| 892 | |
| 893 // This is Data URI scheme: https://en.wikipedia.org/wiki/Data_URI_scheme | |
| 894 json["Content"] = ("data:" + | |
| 895 std::string(usePam ? Orthanc::MIME_PAM : Orthanc::MIME_PNG) + | |
| 896 ";base64," + base64); | |
| 897 | |
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898 orthanc.PostJsonAsyncExpectJson( |
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899 "/tools/create-dicom", json, |
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900 new Callable<RadiographyScene, OrthancApiClient::JsonResponseReadyMessage> |
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901 (*this, &RadiographyScene::OnDicomExported), |
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902 NULL, NULL); |
| 408 | 903 } |
| 904 | |
| 905 | |
| 906 void RadiographyScene::OnDicomExported(const OrthancApiClient::JsonResponseReadyMessage& message) | |
| 907 { | |
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908 LOG(INFO) << "DICOM export was successful: " |
| 408 | 909 << message.GetJson().toStyledString(); |
| 910 } | |
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911 |
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912 |
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913 void RadiographyScene::OnDicomWebReceived(const IWebService::HttpRequestSuccessMessage& message) |
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914 { |
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915 LOG(INFO) << "DICOMweb WADO-RS received: " << message.GetAnswerSize() << " bytes"; |
| 418 | 916 |
| 917 const IWebService::HttpHeaders& h = message.GetAnswerHttpHeaders(); | |
| 918 for (IWebService::HttpHeaders::const_iterator | |
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919 it = h.begin(); it != h.end(); ++it) |
| 418 | 920 { |
| 921 printf("[%s] = [%s]\n", it->first.c_str(), it->second.c_str()); | |
| 922 } | |
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923 } |
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924 |
| 408 | 925 } |