Mercurial > hg > orthanc-stone
annotate Framework/Radiography/RadiographyScene.cpp @ 410:6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 12 Nov 2018 15:52:03 +0100 |
| parents | 99c9b3238008 |
| children | 71c16998fcc8 |
| 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 | |
| 36 | |
| 37 namespace OrthancStone | |
| 38 { | |
| 39 RadiographyScene::LayerAccessor::LayerAccessor(RadiographyScene& scene, | |
| 40 size_t index) : | |
| 41 scene_(scene), | |
| 42 index_(index) | |
| 43 { | |
| 44 Layers::iterator layer = scene.layers_.find(index); | |
| 45 if (layer == scene.layers_.end()) | |
| 46 { | |
| 47 layer_ = NULL; | |
| 48 } | |
| 49 else | |
| 50 { | |
| 51 assert(layer->second != NULL); | |
| 52 layer_ = layer->second; | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 | |
| 57 RadiographyScene::LayerAccessor::LayerAccessor(RadiographyScene& scene, | |
| 58 double x, | |
| 59 double y) : | |
| 60 scene_(scene), | |
| 61 index_(0) // Dummy initialization | |
| 62 { | |
| 63 if (scene.LookupLayer(index_, x, y)) | |
| 64 { | |
| 65 Layers::iterator layer = scene.layers_.find(index_); | |
| 66 | |
| 67 if (layer == scene.layers_.end()) | |
| 68 { | |
| 69 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 70 } | |
| 71 else | |
| 72 { | |
| 73 assert(layer->second != NULL); | |
| 74 layer_ = layer->second; | |
| 75 } | |
| 76 } | |
| 77 else | |
| 78 { | |
| 79 layer_ = NULL; | |
| 80 } | |
| 81 } | |
| 82 | |
| 83 | |
| 84 RadiographyScene& RadiographyScene::LayerAccessor::GetScene() const | |
| 85 { | |
| 86 if (IsValid()) | |
| 87 { | |
| 88 return scene_; | |
| 89 } | |
| 90 else | |
| 91 { | |
| 92 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 | |
| 97 size_t RadiographyScene::LayerAccessor::GetIndex() const | |
| 98 { | |
| 99 if (IsValid()) | |
| 100 { | |
| 101 return index_; | |
| 102 } | |
| 103 else | |
| 104 { | |
| 105 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 | |
|
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
110 RadiographyLayer& RadiographyScene::LayerAccessor::GetLayer() const |
| 408 | 111 { |
| 112 if (IsValid()) | |
| 113 { | |
| 114 return *layer_; | |
| 115 } | |
| 116 else | |
| 117 { | |
| 118 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 119 } | |
| 120 } | |
| 121 | |
| 122 | |
| 123 | |
|
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
124 class RadiographyScene::AlphaLayer : public RadiographyLayer |
| 408 | 125 { |
| 126 private: | |
| 127 const RadiographyScene& scene_; | |
| 128 std::auto_ptr<Orthanc::ImageAccessor> alpha_; // Grayscale8 | |
| 129 bool useWindowing_; | |
| 130 float foreground_; | |
| 131 | |
| 132 public: | |
| 133 AlphaLayer(const RadiographyScene& scene) : | |
| 134 scene_(scene), | |
| 135 useWindowing_(true), | |
| 136 foreground_(0) | |
| 137 { | |
| 138 } | |
| 139 | |
| 140 | |
| 141 void SetForegroundValue(float foreground) | |
| 142 { | |
| 143 useWindowing_ = false; | |
| 144 foreground_ = foreground; | |
| 145 } | |
| 146 | |
| 147 | |
| 148 void SetAlpha(Orthanc::ImageAccessor* image) | |
| 149 { | |
| 150 std::auto_ptr<Orthanc::ImageAccessor> raii(image); | |
| 151 | |
| 152 if (image == NULL) | |
| 153 { | |
| 154 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 155 } | |
| 156 | |
| 157 if (image->GetFormat() != Orthanc::PixelFormat_Grayscale8) | |
| 158 { | |
| 159 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 160 } | |
| 161 | |
| 162 SetSize(image->GetWidth(), image->GetHeight()); | |
| 163 alpha_ = raii; | |
| 164 } | |
| 165 | |
| 166 | |
| 167 void LoadText(const Orthanc::Font& font, | |
| 168 const std::string& utf8) | |
| 169 { | |
| 170 SetAlpha(font.RenderAlpha(utf8)); | |
| 171 } | |
| 172 | |
| 173 | |
| 174 virtual bool GetDefaultWindowing(float& center, | |
| 175 float& width) const | |
| 176 { | |
| 177 return false; | |
| 178 } | |
| 179 | |
| 180 | |
| 181 virtual void Render(Orthanc::ImageAccessor& buffer, | |
| 409 | 182 const AffineTransform2D& viewTransform, |
| 408 | 183 ImageInterpolation interpolation) const |
| 184 { | |
| 185 if (alpha_.get() == NULL) | |
| 186 { | |
| 187 return; | |
| 188 } | |
| 189 | |
| 190 if (buffer.GetFormat() != Orthanc::PixelFormat_Float32) | |
| 191 { | |
| 192 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 193 } | |
| 194 | |
| 195 unsigned int cropX, cropY, cropWidth, cropHeight; | |
| 196 GetCrop(cropX, cropY, cropWidth, cropHeight); | |
| 197 | |
| 409 | 198 const AffineTransform2D t = AffineTransform2D::Combine( |
| 199 viewTransform, GetTransform(), | |
| 200 AffineTransform2D::CreateOffset(cropX, cropY)); | |
| 408 | 201 |
| 202 Orthanc::ImageAccessor cropped; | |
| 203 alpha_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight); | |
| 204 | |
| 205 Orthanc::Image tmp(Orthanc::PixelFormat_Grayscale8, buffer.GetWidth(), buffer.GetHeight(), false); | |
| 409 | 206 |
| 207 t.Apply(tmp, cropped, interpolation, true /* clear */); | |
| 408 | 208 |
| 209 // Blit | |
| 210 const unsigned int width = buffer.GetWidth(); | |
| 211 const unsigned int height = buffer.GetHeight(); | |
| 212 | |
| 213 float value = foreground_; | |
| 214 | |
| 215 if (useWindowing_) | |
| 216 { | |
| 217 float center, width; | |
| 218 if (scene_.GetWindowing(center, width)) | |
| 219 { | |
| 220 value = center + width / 2.0f; | |
| 221 } | |
| 222 } | |
| 223 | |
| 224 for (unsigned int y = 0; y < height; y++) | |
| 225 { | |
| 226 float *q = reinterpret_cast<float*>(buffer.GetRow(y)); | |
| 227 const uint8_t *p = reinterpret_cast<uint8_t*>(tmp.GetRow(y)); | |
| 228 | |
| 229 for (unsigned int x = 0; x < width; x++, p++, q++) | |
| 230 { | |
| 231 float a = static_cast<float>(*p) / 255.0f; | |
| 232 | |
| 233 *q = (a * value + (1.0f - a) * (*q)); | |
| 234 } | |
| 235 } | |
| 236 } | |
| 237 | |
| 238 | |
| 239 virtual bool GetRange(float& minValue, | |
| 240 float& maxValue) const | |
| 241 { | |
| 242 if (useWindowing_) | |
| 243 { | |
| 244 return false; | |
| 245 } | |
| 246 else | |
| 247 { | |
| 248 minValue = 0; | |
| 249 maxValue = 0; | |
| 250 | |
| 251 if (foreground_ < 0) | |
| 252 { | |
| 253 minValue = foreground_; | |
| 254 } | |
| 255 | |
| 256 if (foreground_ > 0) | |
| 257 { | |
| 258 maxValue = foreground_; | |
| 259 } | |
| 260 | |
| 261 return true; | |
| 262 } | |
| 263 } | |
| 264 }; | |
| 265 | |
| 266 | |
| 267 | |
|
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
268 class RadiographyScene::DicomLayer : public RadiographyLayer |
| 408 | 269 { |
| 270 private: | |
| 271 std::auto_ptr<Orthanc::ImageAccessor> source_; // Content of PixelData | |
| 272 std::auto_ptr<DicomFrameConverter> converter_; | |
| 273 std::auto_ptr<Orthanc::ImageAccessor> converted_; // Float32 | |
| 274 | |
| 275 static OrthancPlugins::DicomTag ConvertTag(const Orthanc::DicomTag& tag) | |
| 276 { | |
| 277 return OrthancPlugins::DicomTag(tag.GetGroup(), tag.GetElement()); | |
| 278 } | |
| 279 | |
| 280 | |
| 281 void ApplyConverter() | |
| 282 { | |
| 283 if (source_.get() != NULL && | |
| 284 converter_.get() != NULL) | |
| 285 { | |
| 286 converted_.reset(converter_->ConvertFrame(*source_)); | |
| 287 } | |
| 288 } | |
| 289 | |
| 290 public: | |
| 291 void SetDicomTags(const OrthancPlugins::FullOrthancDataset& dataset) | |
| 292 { | |
| 293 converter_.reset(new DicomFrameConverter); | |
| 294 converter_->ReadParameters(dataset); | |
| 295 ApplyConverter(); | |
| 296 | |
| 297 std::string tmp; | |
| 298 Vector pixelSpacing; | |
| 299 | |
| 300 if (dataset.GetStringValue(tmp, ConvertTag(Orthanc::DICOM_TAG_PIXEL_SPACING)) && | |
| 301 LinearAlgebra::ParseVector(pixelSpacing, tmp) && | |
| 302 pixelSpacing.size() == 2) | |
| 303 { | |
| 304 SetPixelSpacing(pixelSpacing[0], pixelSpacing[1]); | |
| 305 } | |
| 306 | |
| 307 //SetPan(-0.5 * GetPixelSpacingX(), -0.5 * GetPixelSpacingY()); | |
| 308 | |
| 309 OrthancPlugins::DicomDatasetReader reader(dataset); | |
| 310 | |
| 311 unsigned int width, height; | |
| 312 if (!reader.GetUnsignedIntegerValue(width, ConvertTag(Orthanc::DICOM_TAG_COLUMNS)) || | |
| 313 !reader.GetUnsignedIntegerValue(height, ConvertTag(Orthanc::DICOM_TAG_ROWS))) | |
| 314 { | |
| 315 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 316 } | |
| 317 else | |
| 318 { | |
| 319 SetSize(width, height); | |
| 320 } | |
| 321 } | |
| 322 | |
| 323 | |
| 324 void SetSourceImage(Orthanc::ImageAccessor* image) // Takes ownership | |
| 325 { | |
| 326 std::auto_ptr<Orthanc::ImageAccessor> raii(image); | |
| 327 | |
| 328 if (image == NULL) | |
| 329 { | |
| 330 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 331 } | |
| 332 | |
| 333 SetSize(image->GetWidth(), image->GetHeight()); | |
| 334 | |
| 335 source_ = raii; | |
| 336 ApplyConverter(); | |
| 337 } | |
| 338 | |
| 339 | |
| 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( |
| 355 viewTransform, GetTransform(), | |
| 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 | |
|
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
404 RadiographyLayer& RadiographyScene::RegisterLayer(RadiographyLayer* layer) |
| 408 | 405 { |
| 406 if (layer == NULL) | |
| 407 { | |
| 408 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 409 } | |
| 410 | |
|
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
411 std::auto_ptr<RadiographyLayer> raii(layer); |
| 408 | 412 |
| 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 } | |
| 422 | |
| 423 | |
| 424 RadiographyScene::RadiographyScene(MessageBroker& broker, | |
| 425 OrthancApiClient& orthanc) : | |
| 426 IObserver(broker), | |
| 427 IObservable(broker), | |
| 428 orthanc_(orthanc), | |
| 429 countLayers_(0), | |
| 430 hasWindowing_(false), | |
| 431 windowingCenter_(0), // Dummy initialization | |
| 432 windowingWidth_(0) // Dummy initialization | |
| 433 { | |
| 434 } | |
| 435 | |
| 436 | |
| 437 RadiographyScene::~RadiographyScene() | |
| 438 { | |
| 439 for (Layers::iterator it = layers_.begin(); it != layers_.end(); it++) | |
| 440 { | |
| 441 assert(it->second != NULL); | |
| 442 delete it->second; | |
| 443 } | |
| 444 } | |
| 445 | |
| 446 | |
| 447 bool RadiographyScene::GetWindowing(float& center, | |
| 448 float& width) const | |
| 449 { | |
| 450 if (hasWindowing_) | |
| 451 { | |
| 452 center = windowingCenter_; | |
| 453 width = windowingWidth_; | |
| 454 return true; | |
| 455 } | |
| 456 else | |
| 457 { | |
| 458 return false; | |
| 459 } | |
| 460 } | |
| 461 | |
| 462 | |
| 463 void RadiographyScene::GetWindowingWithDefault(float& center, | |
| 464 float& width) const | |
| 465 { | |
| 466 if (!GetWindowing(center, width)) | |
| 467 { | |
| 468 center = 128; | |
| 469 width = 256; | |
| 470 } | |
| 471 } | |
| 472 | |
| 473 | |
| 474 void RadiographyScene::SetWindowing(float center, | |
| 475 float width) | |
| 476 { | |
| 477 hasWindowing_ = true; | |
| 478 windowingCenter_ = center; | |
| 479 windowingWidth_ = width; | |
| 480 } | |
| 481 | |
| 482 | |
|
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
483 RadiographyLayer& RadiographyScene::LoadText(const Orthanc::Font& font, |
|
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
484 const std::string& utf8) |
| 408 | 485 { |
| 486 std::auto_ptr<AlphaLayer> alpha(new AlphaLayer(*this)); | |
| 487 alpha->LoadText(font, utf8); | |
| 488 | |
| 489 return RegisterLayer(alpha.release()); | |
| 490 } | |
| 491 | |
| 492 | |
|
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
493 RadiographyLayer& RadiographyScene::LoadTestBlock(unsigned int width, |
|
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
494 unsigned int height) |
| 408 | 495 { |
| 496 std::auto_ptr<Orthanc::Image> block(new Orthanc::Image(Orthanc::PixelFormat_Grayscale8, width, height, false)); | |
| 497 | |
| 498 for (unsigned int padding = 0; | |
| 499 (width > 2 * padding) && (height > 2 * padding); | |
| 500 padding++) | |
| 501 { | |
| 502 uint8_t color; | |
| 503 if (255 > 10 * padding) | |
| 504 { | |
| 505 color = 255 - 10 * padding; | |
| 506 } | |
| 507 else | |
| 508 { | |
| 509 color = 0; | |
| 510 } | |
| 511 | |
| 512 Orthanc::ImageAccessor region; | |
| 513 block->GetRegion(region, padding, padding, width - 2 * padding, height - 2 * padding); | |
| 514 Orthanc::ImageProcessing::Set(region, color); | |
| 515 } | |
| 516 | |
| 517 std::auto_ptr<AlphaLayer> alpha(new AlphaLayer(*this)); | |
| 518 alpha->SetAlpha(block.release()); | |
| 519 | |
| 520 return RegisterLayer(alpha.release()); | |
| 521 } | |
| 522 | |
| 523 | |
|
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
524 RadiographyLayer& RadiographyScene::LoadDicomFrame(const std::string& instance, |
|
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
525 unsigned int frame, |
|
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
526 bool httpCompression) |
| 408 | 527 { |
|
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
528 RadiographyLayer& layer = RegisterLayer(new DicomLayer); |
| 408 | 529 |
| 530 { | |
| 531 IWebService::Headers headers; | |
| 532 std::string uri = "/instances/" + instance + "/tags"; | |
| 533 | |
| 534 orthanc_.GetBinaryAsync( | |
| 535 uri, headers, | |
| 536 new Callable<RadiographyScene, OrthancApiClient::BinaryResponseReadyMessage> | |
| 537 (*this, &RadiographyScene::OnTagsReceived), NULL, | |
| 538 new Orthanc::SingleValueObject<size_t>(layer.GetIndex())); | |
| 539 } | |
| 540 | |
| 541 { | |
| 542 IWebService::Headers headers; | |
| 543 headers["Accept"] = "image/x-portable-arbitrarymap"; | |
| 544 | |
| 545 if (httpCompression) | |
| 546 { | |
| 547 headers["Accept-Encoding"] = "gzip"; | |
| 548 } | |
| 549 | |
| 550 std::string uri = ("/instances/" + instance + "/frames/" + | |
| 551 boost::lexical_cast<std::string>(frame) + "/image-uint16"); | |
| 552 | |
| 553 orthanc_.GetBinaryAsync( | |
| 554 uri, headers, | |
| 555 new Callable<RadiographyScene, OrthancApiClient::BinaryResponseReadyMessage> | |
| 556 (*this, &RadiographyScene::OnFrameReceived), NULL, | |
| 557 new Orthanc::SingleValueObject<size_t>(layer.GetIndex())); | |
| 558 } | |
| 559 | |
| 560 return layer; | |
| 561 } | |
| 562 | |
| 563 | |
| 564 void RadiographyScene::OnTagsReceived(const OrthancApiClient::BinaryResponseReadyMessage& message) | |
| 565 { | |
| 566 size_t index = dynamic_cast<const Orthanc::SingleValueObject<size_t>&> | |
| 567 (message.GetPayload()).GetValue(); | |
| 568 | |
| 569 LOG(INFO) << "JSON received: " << message.GetUri().c_str() | |
| 570 << " (" << message.GetAnswerSize() << " bytes) for layer " << index; | |
| 571 | |
| 572 Layers::iterator layer = layers_.find(index); | |
| 573 if (layer != layers_.end()) | |
| 574 { | |
| 575 assert(layer->second != NULL); | |
| 576 | |
| 577 OrthancPlugins::FullOrthancDataset dicom(message.GetAnswer(), message.GetAnswerSize()); | |
| 578 dynamic_cast<DicomLayer*>(layer->second)->SetDicomTags(dicom); | |
| 579 | |
| 580 float c, w; | |
| 581 if (!hasWindowing_ && | |
| 582 layer->second->GetDefaultWindowing(c, w)) | |
| 583 { | |
| 584 hasWindowing_ = true; | |
| 585 windowingCenter_ = c; | |
| 586 windowingWidth_ = w; | |
| 587 } | |
| 588 | |
| 589 EmitMessage(GeometryChangedMessage(*this)); | |
| 590 } | |
| 591 } | |
| 592 | |
| 593 | |
| 594 void RadiographyScene::OnFrameReceived(const OrthancApiClient::BinaryResponseReadyMessage& message) | |
| 595 { | |
| 596 size_t index = dynamic_cast<const Orthanc::SingleValueObject<size_t>&>(message.GetPayload()).GetValue(); | |
| 597 | |
| 598 LOG(INFO) << "DICOM frame received: " << message.GetUri().c_str() | |
| 599 << " (" << message.GetAnswerSize() << " bytes) for layer " << index; | |
| 600 | |
| 601 Layers::iterator layer = layers_.find(index); | |
| 602 if (layer != layers_.end()) | |
| 603 { | |
| 604 assert(layer->second != NULL); | |
| 605 | |
| 606 std::string content; | |
| 607 if (message.GetAnswerSize() > 0) | |
| 608 { | |
| 609 content.assign(reinterpret_cast<const char*>(message.GetAnswer()), message.GetAnswerSize()); | |
| 610 } | |
| 611 | |
| 612 std::auto_ptr<Orthanc::PamReader> reader(new Orthanc::PamReader); | |
| 613 reader->ReadFromMemory(content); | |
| 614 dynamic_cast<DicomLayer*>(layer->second)->SetSourceImage(reader.release()); | |
| 615 | |
| 616 EmitMessage(ContentChangedMessage(*this)); | |
| 617 } | |
| 618 } | |
| 619 | |
| 620 | |
| 621 Extent2D RadiographyScene::GetSceneExtent() const | |
| 622 { | |
| 623 Extent2D extent; | |
| 624 | |
| 625 for (Layers::const_iterator it = layers_.begin(); | |
| 626 it != layers_.end(); ++it) | |
| 627 { | |
| 628 assert(it->second != NULL); | |
| 629 extent.Union(it->second->GetExtent()); | |
| 630 } | |
| 631 | |
| 632 return extent; | |
| 633 } | |
| 634 | |
| 635 | |
| 636 void RadiographyScene::Render(Orthanc::ImageAccessor& buffer, | |
| 409 | 637 const AffineTransform2D& viewTransform, |
| 408 | 638 ImageInterpolation interpolation) const |
| 639 { | |
| 640 Orthanc::ImageProcessing::Set(buffer, 0); | |
| 641 | |
| 642 // Render layers in the background-to-foreground order | |
| 643 for (size_t index = 0; index < countLayers_; index++) | |
| 644 { | |
| 645 Layers::const_iterator it = layers_.find(index); | |
| 646 if (it != layers_.end()) | |
| 647 { | |
| 648 assert(it->second != NULL); | |
| 649 it->second->Render(buffer, viewTransform, interpolation); | |
| 650 } | |
| 651 } | |
| 652 } | |
| 653 | |
| 654 | |
| 655 bool RadiographyScene::LookupLayer(size_t& index /* out */, | |
| 656 double x, | |
| 657 double y) const | |
| 658 { | |
| 659 // Render layers in the foreground-to-background order | |
| 660 for (size_t i = countLayers_; i > 0; i--) | |
| 661 { | |
| 662 index = i - 1; | |
| 663 Layers::const_iterator it = layers_.find(index); | |
| 664 if (it != layers_.end()) | |
| 665 { | |
| 666 assert(it->second != NULL); | |
| 667 if (it->second->Contains(x, y)) | |
| 668 { | |
| 669 return true; | |
| 670 } | |
| 671 } | |
| 672 } | |
| 673 | |
| 674 return false; | |
| 675 } | |
| 676 | |
| 677 | |
| 678 void RadiographyScene::DrawBorder(CairoContext& context, | |
| 679 unsigned int layer, | |
| 680 double zoom) | |
| 681 { | |
| 682 Layers::const_iterator found = layers_.find(layer); | |
| 683 | |
| 684 if (found != layers_.end()) | |
| 685 { | |
| 686 context.SetSourceColor(255, 0, 0); | |
| 687 found->second->DrawBorders(context, zoom); | |
| 688 } | |
| 689 } | |
| 690 | |
| 691 | |
| 692 void RadiographyScene::GetRange(float& minValue, | |
| 693 float& maxValue) const | |
| 694 { | |
| 695 bool first = true; | |
| 696 | |
| 697 for (Layers::const_iterator it = layers_.begin(); | |
| 698 it != layers_.end(); it++) | |
| 699 { | |
| 700 assert(it->second != NULL); | |
| 701 | |
| 702 float a, b; | |
| 703 if (it->second->GetRange(a, b)) | |
| 704 { | |
| 705 if (first) | |
| 706 { | |
| 707 minValue = a; | |
| 708 maxValue = b; | |
| 709 first = false; | |
| 710 } | |
| 711 else | |
| 712 { | |
| 713 minValue = std::min(a, minValue); | |
| 714 maxValue = std::max(b, maxValue); | |
| 715 } | |
| 716 } | |
| 717 } | |
| 718 | |
| 719 if (first) | |
| 720 { | |
| 721 minValue = 0; | |
| 722 maxValue = 0; | |
| 723 } | |
| 724 } | |
| 725 | |
| 726 | |
| 727 // Export using PAM is faster than using PNG, but requires Orthanc | |
| 728 // core >= 1.4.3 | |
| 729 void RadiographyScene::ExportDicom(const Orthanc::DicomMap& dicom, | |
| 730 double pixelSpacingX, | |
| 731 double pixelSpacingY, | |
| 732 bool invert, | |
| 733 ImageInterpolation interpolation, | |
| 734 bool usePam) | |
| 735 { | |
| 736 if (pixelSpacingX <= 0 || | |
| 737 pixelSpacingY <= 0) | |
| 738 { | |
| 739 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 740 } | |
| 741 | |
| 742 LOG(INFO) << "Exporting DICOM"; | |
| 743 | |
| 744 Extent2D extent = GetSceneExtent(); | |
| 745 | |
| 746 int w = std::ceil(extent.GetWidth() / pixelSpacingX); | |
| 747 int h = std::ceil(extent.GetHeight() / pixelSpacingY); | |
| 748 | |
| 749 if (w < 0 || h < 0) | |
| 750 { | |
| 751 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 752 } | |
| 753 | |
| 754 Orthanc::Image layers(Orthanc::PixelFormat_Float32, | |
| 755 static_cast<unsigned int>(w), | |
| 756 static_cast<unsigned int>(h), false); | |
| 757 | |
| 409 | 758 AffineTransform2D view = AffineTransform2D::Combine( |
| 759 AffineTransform2D::CreateScaling(1.0 / pixelSpacingX, 1.0 / pixelSpacingY), | |
| 760 AffineTransform2D::CreateOffset(-extent.GetX1(), -extent.GetY1())); | |
| 408 | 761 |
| 762 Render(layers, view, interpolation); | |
| 763 | |
| 764 Orthanc::Image rendered(Orthanc::PixelFormat_Grayscale16, | |
| 765 layers.GetWidth(), layers.GetHeight(), false); | |
| 766 Orthanc::ImageProcessing::Convert(rendered, layers); | |
| 767 | |
| 768 std::string base64; | |
| 769 | |
| 770 { | |
| 771 std::string content; | |
| 772 | |
| 773 if (usePam) | |
| 774 { | |
| 775 Orthanc::PamWriter writer; | |
| 776 writer.WriteToMemory(content, rendered); | |
| 777 } | |
| 778 else | |
| 779 { | |
| 780 Orthanc::PngWriter writer; | |
| 781 writer.WriteToMemory(content, rendered); | |
| 782 } | |
| 783 | |
| 784 Orthanc::Toolbox::EncodeBase64(base64, content); | |
| 785 } | |
| 786 | |
| 787 std::set<Orthanc::DicomTag> tags; | |
| 788 dicom.GetTags(tags); | |
| 789 | |
| 790 Json::Value json = Json::objectValue; | |
| 791 json["Tags"] = Json::objectValue; | |
| 792 | |
| 793 for (std::set<Orthanc::DicomTag>::const_iterator | |
| 794 tag = tags.begin(); tag != tags.end(); ++tag) | |
| 795 { | |
| 796 const Orthanc::DicomValue& value = dicom.GetValue(*tag); | |
| 797 if (!value.IsNull() && | |
| 798 !value.IsBinary()) | |
| 799 { | |
| 800 json["Tags"][tag->Format()] = value.GetContent(); | |
| 801 } | |
| 802 } | |
| 803 | |
| 804 json["Tags"][Orthanc::DICOM_TAG_PHOTOMETRIC_INTERPRETATION.Format()] = | |
| 805 (invert ? "MONOCHROME1" : "MONOCHROME2"); | |
| 806 | |
| 807 // WARNING: The order of PixelSpacing is Y/X. We use "%0.8f" to | |
| 808 // avoid floating-point numbers to grow over 16 characters, | |
| 809 // which would be invalid according to DICOM standard | |
| 810 // ("dciodvfy" would complain). | |
| 811 char buf[32]; | |
| 812 sprintf(buf, "%0.8f\\%0.8f", pixelSpacingY, pixelSpacingX); | |
| 813 | |
| 814 json["Tags"][Orthanc::DICOM_TAG_PIXEL_SPACING.Format()] = buf; | |
| 815 | |
| 816 float center, width; | |
| 817 if (GetWindowing(center, width)) | |
| 818 { | |
| 819 json["Tags"][Orthanc::DICOM_TAG_WINDOW_CENTER.Format()] = | |
| 820 boost::lexical_cast<std::string>(boost::math::iround(center)); | |
| 821 | |
| 822 json["Tags"][Orthanc::DICOM_TAG_WINDOW_WIDTH.Format()] = | |
| 823 boost::lexical_cast<std::string>(boost::math::iround(width)); | |
| 824 } | |
| 825 | |
| 826 // This is Data URI scheme: https://en.wikipedia.org/wiki/Data_URI_scheme | |
| 827 json["Content"] = ("data:" + | |
| 828 std::string(usePam ? Orthanc::MIME_PAM : Orthanc::MIME_PNG) + | |
| 829 ";base64," + base64); | |
| 830 | |
| 831 orthanc_.PostJsonAsyncExpectJson( | |
| 832 "/tools/create-dicom", json, | |
| 833 new Callable<RadiographyScene, OrthancApiClient::JsonResponseReadyMessage> | |
| 834 (*this, &RadiographyScene::OnDicomExported), | |
| 835 NULL, NULL); | |
| 836 } | |
| 837 | |
| 838 | |
| 839 void RadiographyScene::OnDicomExported(const OrthancApiClient::JsonResponseReadyMessage& message) | |
| 840 { | |
| 841 LOG(INFO) << "DICOM export was successful:" | |
| 842 << message.GetJson().toStyledString(); | |
| 843 } | |
| 844 } |