Mercurial > hg > orthanc-stone
annotate Framework/Radiography/RadiographyScene.cpp @ 426:660fe6f6bf4a am-vsol-upgrade
split Export in 2
author | am@osimis.io |
---|---|
date | Thu, 22 Nov 2018 23:15:24 +0100 |
parents | 087237703d63 |
children | 3f9017db1738 751fb354149e |
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 | |
426 | 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_); | |
426 | 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 | |
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
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 } | |
426 | 122 } |
408 | 123 |
124 | |
125 | |
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
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 } | |
426 | 148 |
149 | |
408 | 150 void SetAlpha(Orthanc::ImageAccessor* image) |
151 { | |
152 std::auto_ptr<Orthanc::ImageAccessor> raii(image); | |
426 | 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)); | |
426 | 173 } |
408 | 174 |
175 | |
176 virtual bool GetDefaultWindowing(float& center, | |
177 float& width) const | |
178 { | |
179 return false; | |
180 } | |
426 | 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 } | |
426 | 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( |
426 | 201 viewTransform, GetTransform(), |
202 AffineTransform2D::CreateOffset(cropX, cropY)); | |
408 | 203 |
204 Orthanc::ImageAccessor cropped; | |
205 alpha_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight); | |
426 | 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_; | |
426 | 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 } | |
426 | 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; | |
426 | 234 |
408 | 235 *q = (a * value + (1.0f - a) * (*q)); |
236 } | |
426 | 237 } |
408 | 238 } |
239 | |
426 | 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 }; | |
426 | 267 |
268 | |
408 | 269 |
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
270 class RadiographyScene::DicomLayer : public RadiographyLayer |
408 | 271 { |
272 private: | |
273 std::auto_ptr<Orthanc::ImageAccessor> source_; // Content of PixelData | |
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 } | |
426 | 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 } | |
426 | 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; | |
426 | 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 | |
426 | 325 |
408 | 326 void SetSourceImage(Orthanc::ImageAccessor* image) // Takes ownership |
327 { | |
328 std::auto_ptr<Orthanc::ImageAccessor> raii(image); | |
426 | 329 |
408 | 330 if (image == NULL) |
331 { | |
332 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
333 } | |
334 | |
335 SetSize(image->GetWidth(), image->GetHeight()); | |
426 | 336 |
408 | 337 source_ = raii; |
338 ApplyConverter(); | |
339 } | |
340 | |
426 | 341 |
408 | 342 virtual void Render(Orthanc::ImageAccessor& buffer, |
409 | 343 const AffineTransform2D& viewTransform, |
408 | 344 ImageInterpolation interpolation) const |
345 { | |
346 if (converted_.get() != NULL) | |
347 { | |
348 if (converted_->GetFormat() != Orthanc::PixelFormat_Float32) | |
349 { | |
350 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
351 } | |
352 | |
353 unsigned int cropX, cropY, cropWidth, cropHeight; | |
354 GetCrop(cropX, cropY, cropWidth, cropHeight); | |
355 | |
409 | 356 AffineTransform2D t = AffineTransform2D::Combine( |
426 | 357 viewTransform, GetTransform(), |
358 AffineTransform2D::CreateOffset(cropX, cropY)); | |
408 | 359 |
360 Orthanc::ImageAccessor cropped; | |
361 converted_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight); | |
362 | |
409 | 363 t.Apply(buffer, cropped, interpolation, false); |
408 | 364 } |
365 } | |
366 | |
367 | |
368 virtual bool GetDefaultWindowing(float& center, | |
369 float& width) const | |
370 { | |
371 if (converter_.get() != NULL && | |
372 converter_->HasDefaultWindow()) | |
373 { | |
374 center = static_cast<float>(converter_->GetDefaultWindowCenter()); | |
375 width = static_cast<float>(converter_->GetDefaultWindowWidth()); | |
376 return true; | |
377 } | |
378 else | |
379 { | |
380 return false; | |
381 } | |
382 } | |
383 | |
384 | |
385 virtual bool GetRange(float& minValue, | |
386 float& maxValue) const | |
387 { | |
388 if (converted_.get() != NULL) | |
389 { | |
390 if (converted_->GetFormat() != Orthanc::PixelFormat_Float32) | |
391 { | |
392 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
393 } | |
394 | |
395 Orthanc::ImageProcessing::GetMinMaxFloatValue(minValue, maxValue, *converted_); | |
396 return true; | |
397 } | |
398 else | |
399 { | |
400 return false; | |
401 } | |
402 } | |
403 }; | |
404 | |
405 | |
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
406 RadiographyLayer& RadiographyScene::RegisterLayer(RadiographyLayer* layer) |
408 | 407 { |
408 if (layer == NULL) | |
409 { | |
410 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
411 } | |
412 | |
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
413 std::auto_ptr<RadiographyLayer> raii(layer); |
426 | 414 |
408 | 415 size_t index = countLayers_++; |
416 raii->SetIndex(index); | |
417 layers_[index] = raii.release(); | |
418 | |
419 EmitMessage(GeometryChangedMessage(*this)); | |
420 EmitMessage(ContentChangedMessage(*this)); | |
421 | |
422 return *layer; | |
423 } | |
426 | 424 |
408 | 425 |
417
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
426 RadiographyScene::RadiographyScene(MessageBroker& broker) : |
408 | 427 IObserver(broker), |
428 IObservable(broker), | |
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 | |
425 | 446 void RadiographyScene::RemoveLayer(size_t layerIndex) |
447 { | |
448 if (layerIndex > countLayers_) | |
449 { | |
450 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
451 } | |
452 delete layers_[layerIndex]; | |
453 layers_.erase(layerIndex); | |
454 countLayers_--; | |
455 } | |
456 | |
457 RadiographyLayer& RadiographyScene::GetLayer(size_t layerIndex) | |
458 { | |
459 if (layerIndex > countLayers_) | |
460 { | |
461 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
462 } | |
463 return *(layers_[layerIndex]); | |
464 } | |
408 | 465 |
466 bool RadiographyScene::GetWindowing(float& center, | |
467 float& width) const | |
468 { | |
469 if (hasWindowing_) | |
470 { | |
471 center = windowingCenter_; | |
472 width = windowingWidth_; | |
473 return true; | |
474 } | |
475 else | |
476 { | |
477 return false; | |
478 } | |
479 } | |
480 | |
481 | |
482 void RadiographyScene::GetWindowingWithDefault(float& center, | |
483 float& width) const | |
484 { | |
485 if (!GetWindowing(center, width)) | |
486 { | |
487 center = 128; | |
488 width = 256; | |
489 } | |
490 } | |
491 | |
492 | |
493 void RadiographyScene::SetWindowing(float center, | |
494 float width) | |
495 { | |
496 hasWindowing_ = true; | |
497 windowingCenter_ = center; | |
498 windowingWidth_ = width; | |
499 } | |
500 | |
501 | |
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
502 RadiographyLayer& RadiographyScene::LoadText(const Orthanc::Font& font, |
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
503 const std::string& utf8) |
408 | 504 { |
505 std::auto_ptr<AlphaLayer> alpha(new AlphaLayer(*this)); | |
506 alpha->LoadText(font, utf8); | |
507 | |
508 return RegisterLayer(alpha.release()); | |
509 } | |
510 | |
426 | 511 |
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
512 RadiographyLayer& RadiographyScene::LoadTestBlock(unsigned int width, |
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
513 unsigned int height) |
408 | 514 { |
515 std::auto_ptr<Orthanc::Image> block(new Orthanc::Image(Orthanc::PixelFormat_Grayscale8, width, height, false)); | |
516 | |
517 for (unsigned int padding = 0; | |
518 (width > 2 * padding) && (height > 2 * padding); | |
519 padding++) | |
520 { | |
521 uint8_t color; | |
522 if (255 > 10 * padding) | |
523 { | |
524 color = 255 - 10 * padding; | |
525 } | |
526 else | |
527 { | |
528 color = 0; | |
529 } | |
530 | |
531 Orthanc::ImageAccessor region; | |
532 block->GetRegion(region, padding, padding, width - 2 * padding, height - 2 * padding); | |
533 Orthanc::ImageProcessing::Set(region, color); | |
534 } | |
535 | |
536 std::auto_ptr<AlphaLayer> alpha(new AlphaLayer(*this)); | |
537 alpha->SetAlpha(block.release()); | |
538 | |
539 return RegisterLayer(alpha.release()); | |
540 } | |
541 | |
426 | 542 |
417
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
543 RadiographyLayer& RadiographyScene::LoadDicomFrame(OrthancApiClient& orthanc, |
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
544 const std::string& instance, |
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
545 unsigned int frame, |
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
546 bool httpCompression) |
408 | 547 { |
410
6decc0ba9da5
rename RadiographyScene::Layer as RadiographyLayer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
409
diff
changeset
|
548 RadiographyLayer& layer = RegisterLayer(new DicomLayer); |
408 | 549 |
550 { | |
417
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
551 IWebService::HttpHeaders headers; |
408 | 552 std::string uri = "/instances/" + instance + "/tags"; |
426 | 553 |
417
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
554 orthanc.GetBinaryAsync( |
426 | 555 uri, headers, |
556 new Callable<RadiographyScene, OrthancApiClient::BinaryResponseReadyMessage> | |
557 (*this, &RadiographyScene::OnTagsReceived), NULL, | |
558 new Orthanc::SingleValueObject<size_t>(layer.GetIndex())); | |
408 | 559 } |
560 | |
561 { | |
417
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
562 IWebService::HttpHeaders headers; |
408 | 563 headers["Accept"] = "image/x-portable-arbitrarymap"; |
564 | |
565 if (httpCompression) | |
566 { | |
567 headers["Accept-Encoding"] = "gzip"; | |
568 } | |
426 | 569 |
408 | 570 std::string uri = ("/instances/" + instance + "/frames/" + |
571 boost::lexical_cast<std::string>(frame) + "/image-uint16"); | |
426 | 572 |
417
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
573 orthanc.GetBinaryAsync( |
426 | 574 uri, headers, |
575 new Callable<RadiographyScene, OrthancApiClient::BinaryResponseReadyMessage> | |
576 (*this, &RadiographyScene::OnFrameReceived), NULL, | |
577 new Orthanc::SingleValueObject<size_t>(layer.GetIndex())); | |
408 | 578 } |
579 | |
580 return layer; | |
581 } | |
582 | |
417
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
583 |
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
584 RadiographyLayer& RadiographyScene::LoadDicomWebFrame(IWebService& web) |
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
585 { |
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
586 RadiographyLayer& layer = RegisterLayer(new DicomLayer); |
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
587 |
426 | 588 |
417
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
589 return layer; |
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
590 } |
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
591 |
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
592 |
426 | 593 |
408 | 594 void RadiographyScene::OnTagsReceived(const OrthancApiClient::BinaryResponseReadyMessage& message) |
595 { | |
596 size_t index = dynamic_cast<const Orthanc::SingleValueObject<size_t>&> | |
426 | 597 (message.GetPayload()).GetValue(); |
408 | 598 |
599 LOG(INFO) << "JSON received: " << message.GetUri().c_str() | |
600 << " (" << message.GetAnswerSize() << " bytes) for layer " << index; | |
426 | 601 |
408 | 602 Layers::iterator layer = layers_.find(index); |
603 if (layer != layers_.end()) | |
604 { | |
605 assert(layer->second != NULL); | |
426 | 606 |
408 | 607 OrthancPlugins::FullOrthancDataset dicom(message.GetAnswer(), message.GetAnswerSize()); |
608 dynamic_cast<DicomLayer*>(layer->second)->SetDicomTags(dicom); | |
609 | |
610 float c, w; | |
611 if (!hasWindowing_ && | |
612 layer->second->GetDefaultWindowing(c, w)) | |
613 { | |
614 hasWindowing_ = true; | |
615 windowingCenter_ = c; | |
616 windowingWidth_ = w; | |
617 } | |
618 | |
619 EmitMessage(GeometryChangedMessage(*this)); | |
620 } | |
621 } | |
426 | 622 |
408 | 623 |
624 void RadiographyScene::OnFrameReceived(const OrthancApiClient::BinaryResponseReadyMessage& message) | |
625 { | |
626 size_t index = dynamic_cast<const Orthanc::SingleValueObject<size_t>&>(message.GetPayload()).GetValue(); | |
426 | 627 |
408 | 628 LOG(INFO) << "DICOM frame received: " << message.GetUri().c_str() |
629 << " (" << message.GetAnswerSize() << " bytes) for layer " << index; | |
426 | 630 |
408 | 631 Layers::iterator layer = layers_.find(index); |
632 if (layer != layers_.end()) | |
633 { | |
634 assert(layer->second != NULL); | |
635 | |
636 std::string content; | |
637 if (message.GetAnswerSize() > 0) | |
638 { | |
639 content.assign(reinterpret_cast<const char*>(message.GetAnswer()), message.GetAnswerSize()); | |
640 } | |
426 | 641 |
408 | 642 std::auto_ptr<Orthanc::PamReader> reader(new Orthanc::PamReader); |
643 reader->ReadFromMemory(content); | |
644 dynamic_cast<DicomLayer*>(layer->second)->SetSourceImage(reader.release()); | |
645 | |
646 EmitMessage(ContentChangedMessage(*this)); | |
647 } | |
648 } | |
649 | |
650 | |
651 Extent2D RadiographyScene::GetSceneExtent() const | |
652 { | |
653 Extent2D extent; | |
654 | |
655 for (Layers::const_iterator it = layers_.begin(); | |
656 it != layers_.end(); ++it) | |
657 { | |
658 assert(it->second != NULL); | |
659 extent.Union(it->second->GetExtent()); | |
660 } | |
661 | |
662 return extent; | |
663 } | |
426 | 664 |
408 | 665 |
666 void RadiographyScene::Render(Orthanc::ImageAccessor& buffer, | |
409 | 667 const AffineTransform2D& viewTransform, |
408 | 668 ImageInterpolation interpolation) const |
669 { | |
670 Orthanc::ImageProcessing::Set(buffer, 0); | |
671 | |
672 // Render layers in the background-to-foreground order | |
673 for (size_t index = 0; index < countLayers_; index++) | |
674 { | |
675 Layers::const_iterator it = layers_.find(index); | |
676 if (it != layers_.end()) | |
677 { | |
678 assert(it->second != NULL); | |
679 it->second->Render(buffer, viewTransform, interpolation); | |
680 } | |
681 } | |
682 } | |
683 | |
684 | |
685 bool RadiographyScene::LookupLayer(size_t& index /* out */, | |
686 double x, | |
687 double y) const | |
688 { | |
689 // Render layers in the foreground-to-background order | |
690 for (size_t i = countLayers_; i > 0; i--) | |
691 { | |
692 index = i - 1; | |
693 Layers::const_iterator it = layers_.find(index); | |
694 if (it != layers_.end()) | |
695 { | |
696 assert(it->second != NULL); | |
697 if (it->second->Contains(x, y)) | |
698 { | |
699 return true; | |
700 } | |
701 } | |
702 } | |
703 | |
704 return false; | |
705 } | |
706 | |
426 | 707 |
408 | 708 void RadiographyScene::DrawBorder(CairoContext& context, |
709 unsigned int layer, | |
710 double zoom) | |
711 { | |
712 Layers::const_iterator found = layers_.find(layer); | |
426 | 713 |
408 | 714 if (found != layers_.end()) |
715 { | |
716 context.SetSourceColor(255, 0, 0); | |
717 found->second->DrawBorders(context, zoom); | |
718 } | |
719 } | |
720 | |
721 | |
722 void RadiographyScene::GetRange(float& minValue, | |
723 float& maxValue) const | |
724 { | |
725 bool first = true; | |
426 | 726 |
408 | 727 for (Layers::const_iterator it = layers_.begin(); |
728 it != layers_.end(); it++) | |
729 { | |
730 assert(it->second != NULL); | |
731 | |
732 float a, b; | |
733 if (it->second->GetRange(a, b)) | |
734 { | |
735 if (first) | |
736 { | |
737 minValue = a; | |
738 maxValue = b; | |
739 first = false; | |
740 } | |
741 else | |
742 { | |
743 minValue = std::min(a, minValue); | |
744 maxValue = std::max(b, maxValue); | |
745 } | |
746 } | |
747 } | |
748 | |
749 if (first) | |
750 { | |
751 minValue = 0; | |
752 maxValue = 0; | |
753 } | |
754 } | |
755 | |
756 | |
417
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
757 void RadiographyScene::ExportDicom(OrthancApiClient& orthanc, |
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
758 const Orthanc::DicomMap& dicom, |
426 | 759 const std::string& parentOrthancId, |
408 | 760 double pixelSpacingX, |
761 double pixelSpacingY, | |
762 bool invert, | |
763 ImageInterpolation interpolation, | |
764 bool usePam) | |
765 { | |
426 | 766 Json::Value createDicomRequestContent; |
767 | |
768 Export(createDicomRequestContent, dicom, pixelSpacingX, pixelSpacingY, invert, interpolation, usePam); | |
769 | |
770 if (!parentOrthancId.empty()) | |
771 { | |
772 createDicomRequestContent["Parent"] = parentOrthancId; | |
773 } | |
774 | |
775 orthanc.PostJsonAsyncExpectJson( | |
776 "/tools/create-dicom", createDicomRequestContent, | |
777 new Callable<RadiographyScene, OrthancApiClient::JsonResponseReadyMessage> | |
778 (*this, &RadiographyScene::OnDicomExported), | |
779 NULL, NULL); | |
780 } | |
781 | |
782 // Export using PAM is faster than using PNG, but requires Orthanc | |
783 // core >= 1.4.3 | |
784 void RadiographyScene::Export(Json::Value& createDicomRequestContent, | |
785 const Orthanc::DicomMap& dicom, | |
786 double pixelSpacingX, | |
787 double pixelSpacingY, | |
788 bool invert, | |
789 ImageInterpolation interpolation, | |
790 bool usePam) | |
791 { | |
408 | 792 if (pixelSpacingX <= 0 || |
793 pixelSpacingY <= 0) | |
794 { | |
795 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
796 } | |
426 | 797 |
408 | 798 LOG(INFO) << "Exporting DICOM"; |
799 | |
800 Extent2D extent = GetSceneExtent(); | |
801 | |
802 int w = std::ceil(extent.GetWidth() / pixelSpacingX); | |
803 int h = std::ceil(extent.GetHeight() / pixelSpacingY); | |
804 | |
805 if (w < 0 || h < 0) | |
806 { | |
807 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
808 } | |
809 | |
810 Orthanc::Image layers(Orthanc::PixelFormat_Float32, | |
811 static_cast<unsigned int>(w), | |
812 static_cast<unsigned int>(h), false); | |
813 | |
409 | 814 AffineTransform2D view = AffineTransform2D::Combine( |
426 | 815 AffineTransform2D::CreateScaling(1.0 / pixelSpacingX, 1.0 / pixelSpacingY), |
816 AffineTransform2D::CreateOffset(-extent.GetX1(), -extent.GetY1())); | |
817 | |
408 | 818 Render(layers, view, interpolation); |
819 | |
820 Orthanc::Image rendered(Orthanc::PixelFormat_Grayscale16, | |
821 layers.GetWidth(), layers.GetHeight(), false); | |
822 Orthanc::ImageProcessing::Convert(rendered, layers); | |
823 | |
824 std::string base64; | |
825 | |
826 { | |
827 std::string content; | |
828 | |
829 if (usePam) | |
830 { | |
831 Orthanc::PamWriter writer; | |
832 writer.WriteToMemory(content, rendered); | |
833 } | |
834 else | |
835 { | |
836 Orthanc::PngWriter writer; | |
837 writer.WriteToMemory(content, rendered); | |
838 } | |
839 | |
840 Orthanc::Toolbox::EncodeBase64(base64, content); | |
841 } | |
842 | |
843 std::set<Orthanc::DicomTag> tags; | |
844 dicom.GetTags(tags); | |
845 | |
426 | 846 createDicomRequestContent["Tags"] = Json::objectValue; |
847 | |
408 | 848 for (std::set<Orthanc::DicomTag>::const_iterator |
426 | 849 tag = tags.begin(); tag != tags.end(); ++tag) |
408 | 850 { |
851 const Orthanc::DicomValue& value = dicom.GetValue(*tag); | |
852 if (!value.IsNull() && | |
853 !value.IsBinary()) | |
854 { | |
426 | 855 createDicomRequestContent["Tags"][tag->Format()] = value.GetContent(); |
408 | 856 } |
857 } | |
858 | |
426 | 859 createDicomRequestContent["Tags"][Orthanc::DICOM_TAG_PHOTOMETRIC_INTERPRETATION.Format()] = |
860 (invert ? "MONOCHROME1" : "MONOCHROME2"); | |
408 | 861 |
862 // WARNING: The order of PixelSpacing is Y/X. We use "%0.8f" to | |
863 // avoid floating-point numbers to grow over 16 characters, | |
864 // which would be invalid according to DICOM standard | |
865 // ("dciodvfy" would complain). | |
866 char buf[32]; | |
867 sprintf(buf, "%0.8f\\%0.8f", pixelSpacingY, pixelSpacingX); | |
426 | 868 |
869 createDicomRequestContent["Tags"][Orthanc::DICOM_TAG_PIXEL_SPACING.Format()] = buf; | |
408 | 870 |
871 float center, width; | |
872 if (GetWindowing(center, width)) | |
873 { | |
426 | 874 createDicomRequestContent["Tags"][Orthanc::DICOM_TAG_WINDOW_CENTER.Format()] = |
875 boost::lexical_cast<std::string>(boost::math::iround(center)); | |
408 | 876 |
426 | 877 createDicomRequestContent["Tags"][Orthanc::DICOM_TAG_WINDOW_WIDTH.Format()] = |
878 boost::lexical_cast<std::string>(boost::math::iround(width)); | |
408 | 879 } |
880 | |
426 | 881 |
408 | 882 // This is Data URI scheme: https://en.wikipedia.org/wiki/Data_URI_scheme |
426 | 883 createDicomRequestContent["Content"] = ("data:" + |
884 std::string(usePam ? Orthanc::MIME_PAM : Orthanc::MIME_PNG) + | |
885 ";base64," + base64); | |
408 | 886 } |
887 | |
888 | |
889 void RadiographyScene::OnDicomExported(const OrthancApiClient::JsonResponseReadyMessage& message) | |
890 { | |
417
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
891 LOG(INFO) << "DICOM export was successful: " |
408 | 892 << message.GetJson().toStyledString(); |
893 } | |
417
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
894 |
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
895 |
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
896 void RadiographyScene::OnDicomWebReceived(const IWebService::HttpRequestSuccessMessage& message) |
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
897 { |
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
898 LOG(INFO) << "DICOMweb WADO-RS received: " << message.GetAnswerSize() << " bytes"; |
418 | 899 |
900 const IWebService::HttpHeaders& h = message.GetAnswerHttpHeaders(); | |
901 for (IWebService::HttpHeaders::const_iterator | |
426 | 902 it = h.begin(); it != h.end(); ++it) |
418 | 903 { |
904 printf("[%s] = [%s]\n", it->first.c_str(), it->second.c_str()); | |
905 } | |
417
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
906 } |
aee3d7941c9b
preparing to load images using DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
412
diff
changeset
|
907 |
408 | 908 } |