Mercurial > hg > orthanc-stone
annotate Framework/Widgets/LayerWidget.cpp @ 78:93b917b02fee wasm
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 24 May 2017 21:20:06 +0200 |
parents | f5f54ed8d307 |
children | c75377306598 |
rev | line source |
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66 | 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 Osimis, 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 "LayerWidget.h" | |
23 | |
24 #include "../../Resources/Orthanc/Core/Logging.h" | |
25 | |
26 namespace OrthancStone | |
27 { | |
28 class LayerWidget::Scene : public boost::noncopyable | |
29 { | |
30 private: | |
31 SliceGeometry slice_; | |
32 size_t countMissing_; | |
33 std::vector<ILayerRenderer*> renderers_; | |
34 | |
35 void DeleteLayer(size_t index) | |
36 { | |
37 if (index >= renderers_.size()) | |
38 { | |
39 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
40 } | |
41 | |
42 assert(countMissing_ <= renderers_.size()); | |
43 | |
44 if (renderers_[index] != NULL) | |
45 { | |
46 assert(countMissing_ < renderers_.size()); | |
47 delete renderers_[index]; | |
48 renderers_[index] = NULL; | |
49 countMissing_++; | |
50 } | |
51 } | |
52 | |
53 public: | |
54 Scene(const SliceGeometry& slice, | |
55 size_t countLayers) : | |
56 slice_(slice), | |
57 countMissing_(countLayers), | |
58 renderers_(countLayers, NULL) | |
59 { | |
60 } | |
61 | |
62 ~Scene() | |
63 { | |
64 for (size_t i = 0; i < renderers_.size(); i++) | |
65 { | |
66 DeleteLayer(i); | |
67 } | |
68 } | |
69 | |
70 void SetLayer(size_t index, | |
71 ILayerRenderer* renderer) // Takes ownership | |
72 { | |
73 if (renderer == NULL) | |
74 { | |
75 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
76 } | |
77 | |
78 DeleteLayer(index); | |
79 | |
80 renderers_[index] = renderer; | |
81 countMissing_--; | |
82 } | |
83 | |
84 const SliceGeometry& GetSlice() const | |
85 { | |
86 return slice_; | |
87 } | |
88 | |
89 bool IsComplete() const | |
90 { | |
91 return countMissing_ == 0; | |
92 } | |
93 | |
94 bool RenderScene(CairoContext& context, | |
95 const ViewportGeometry& view) | |
96 { | |
97 bool fullQuality = true; | |
98 | |
99 for (size_t i = 0; i < renderers_.size(); i++) | |
100 { | |
101 if (renderers_[i] != NULL && | |
77 | 102 !renderers_[i]->RenderLayer(context, view, slice_)) |
66 | 103 { |
104 return false; | |
105 } | |
106 | |
107 if (renderers_[i] != NULL && | |
108 !renderers_[i]->IsFullQuality()) | |
109 { | |
110 fullQuality = false; | |
111 } | |
112 } | |
113 | |
114 if (!fullQuality) | |
115 { | |
116 double x, y; | |
117 view.MapDisplayToScene(x, y, static_cast<double>(view.GetDisplayWidth()) / 2.0, 10); | |
118 | |
119 cairo_t *cr = context.GetObject(); | |
120 cairo_translate(cr, x, y); | |
121 cairo_arc(cr, 0, 0, 5.0 / view.GetZoom(), 0, 2 * M_PI); | |
122 cairo_set_line_width(cr, 2.0 / view.GetZoom()); | |
123 cairo_set_source_rgb(cr, 1, 1, 1); | |
124 cairo_stroke_preserve(cr); | |
125 cairo_set_source_rgb(cr, 1, 0, 0); | |
126 cairo_fill(cr); | |
127 } | |
128 | |
129 return true; | |
130 } | |
131 | |
132 void SetLayerStyle(size_t index, | |
133 const RenderStyle& style) | |
134 { | |
135 if (renderers_[index] != NULL) | |
136 { | |
137 renderers_[index]->SetLayerStyle(style); | |
138 } | |
139 } | |
140 }; | |
141 | |
142 | |
143 bool LayerWidget::LookupLayer(size_t& index /* out */, | |
144 ILayerSource& layer) const | |
145 { | |
146 LayersIndex::const_iterator found = layersIndex_.find(&layer); | |
147 | |
148 if (found == layersIndex_.end()) | |
149 { | |
150 return false; | |
151 } | |
152 else | |
153 { | |
154 index = found->second; | |
155 assert(index < layers_.size() && | |
156 layers_[index] == &layer); | |
157 return true; | |
158 } | |
159 } | |
160 | |
161 | |
162 void LayerWidget::GetSceneExtent(double& x1, | |
163 double& y1, | |
164 double& x2, | |
165 double& y2) | |
166 { | |
167 bool first = true; | |
168 | |
169 for (size_t i = 0; i < layers_.size(); i++) | |
170 { | |
171 double ax, ay, bx, by; | |
172 | |
173 assert(layers_[i] != NULL); | |
174 if (layers_[i]->GetExtent(ax, ay, bx, by, slice_)) | |
175 { | |
176 if (ax > bx) | |
177 { | |
178 std::swap(ax, bx); | |
179 } | |
180 | |
181 if (ay > by) | |
182 { | |
183 std::swap(ay, by); | |
184 } | |
185 | |
71
30c768873d47
OrthancSliceLoader::ScheduleLoadInstance
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
66
diff
changeset
|
186 LOG(INFO) << "Extent of layer " << i << ": (" << ax << "," << ay << ")->(" << bx << "," << by << ")"; |
66 | 187 |
188 if (first) | |
189 { | |
190 x1 = ax; | |
191 y1 = ay; | |
192 x2 = bx; | |
193 y2 = by; | |
194 first = false; | |
195 } | |
196 else | |
197 { | |
198 x1 = std::min(x1, ax); | |
199 y1 = std::min(y1, ay); | |
200 x2 = std::max(x2, bx); | |
201 y2 = std::max(y2, by); | |
202 } | |
203 } | |
204 } | |
205 | |
206 if (first) | |
207 { | |
208 // Set a default extent of (-1,-1) -> (0,0) | |
209 x1 = -1; | |
210 y1 = -1; | |
211 x2 = 1; | |
212 y2 = 1; | |
213 } | |
214 | |
215 // Ensure the extent is non-empty | |
216 if (x1 >= x2) | |
217 { | |
218 double tmp = x1; | |
219 x1 = tmp - 0.5; | |
220 x2 = tmp + 0.5; | |
221 } | |
222 | |
223 if (y1 >= y2) | |
224 { | |
225 double tmp = y1; | |
226 y1 = tmp - 0.5; | |
227 y2 = tmp + 0.5; | |
228 } | |
229 } | |
230 | |
231 | |
232 bool LayerWidget::RenderScene(CairoContext& context, | |
233 const ViewportGeometry& view) | |
234 { | |
235 if (currentScene_.get() != NULL) | |
236 { | |
237 return currentScene_->RenderScene(context, view); | |
238 } | |
239 else | |
240 { | |
241 return true; | |
242 } | |
243 } | |
244 | |
245 | |
246 void LayerWidget::ResetPendingScene() | |
247 { | |
248 pendingScene_.reset(new Scene(slice_, layers_.size())); | |
249 } | |
250 | |
251 | |
252 void LayerWidget::UpdateLayer(size_t index, | |
253 ILayerRenderer* renderer, | |
77 | 254 const Slice& slice) |
66 | 255 { |
71
30c768873d47
OrthancSliceLoader::ScheduleLoadInstance
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
66
diff
changeset
|
256 LOG(INFO) << "Updating layer " << index; |
66 | 257 |
258 std::auto_ptr<ILayerRenderer> tmp(renderer); | |
259 | |
260 if (renderer == NULL) | |
261 { | |
262 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
263 } | |
264 | |
265 if (index >= layers_.size()) | |
266 { | |
267 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
268 } | |
269 | |
270 assert(layers_.size() == styles_.size()); | |
271 renderer->SetLayerStyle(styles_[index]); | |
272 | |
273 if (currentScene_.get() != NULL && | |
78 | 274 slice.ContainsPlane(currentScene_->GetSlice())) |
66 | 275 { |
276 currentScene_->SetLayer(index, tmp.release()); | |
277 NotifyChange(); | |
278 } | |
279 else if (pendingScene_.get() != NULL && | |
78 | 280 slice.ContainsPlane(pendingScene_->GetSlice())) |
66 | 281 { |
282 pendingScene_->SetLayer(index, tmp.release()); | |
283 | |
284 if (currentScene_.get() == NULL || | |
285 pendingScene_->IsComplete()) | |
286 { | |
287 currentScene_ = pendingScene_; | |
288 NotifyChange(); | |
289 } | |
290 } | |
291 } | |
292 | |
293 | |
294 LayerWidget::LayerWidget() : | |
78 | 295 started_(false) |
66 | 296 { |
297 SetBackgroundCleared(true); | |
298 } | |
299 | |
300 | |
301 LayerWidget::~LayerWidget() | |
302 { | |
303 for (size_t i = 0; i < layers_.size(); i++) | |
304 { | |
305 delete layers_[i]; | |
306 } | |
307 } | |
308 | |
309 | |
310 size_t LayerWidget::AddLayer(ILayerSource* layer) // Takes ownership | |
311 { | |
312 if (layer == NULL) | |
313 { | |
314 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
315 } | |
316 | |
317 size_t index = layers_.size(); | |
318 layers_.push_back(layer); | |
319 styles_.push_back(RenderStyle()); | |
320 layersIndex_[layer] = index; | |
321 | |
322 ResetPendingScene(); | |
323 layer->SetObserver(*this); | |
324 | |
325 return index; | |
326 } | |
327 | |
328 | |
329 void LayerWidget::SetLayerStyle(size_t layer, | |
330 const RenderStyle& style) | |
331 { | |
332 if (layer >= layers_.size()) | |
333 { | |
334 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
335 } | |
336 | |
337 assert(layers_.size() == styles_.size()); | |
338 styles_[layer] = style; | |
339 | |
340 if (currentScene_.get() != NULL) | |
341 { | |
342 currentScene_->SetLayerStyle(layer, style); | |
343 } | |
344 | |
345 if (pendingScene_.get() != NULL) | |
346 { | |
347 pendingScene_->SetLayerStyle(layer, style); | |
348 } | |
349 | |
350 NotifyChange(); | |
351 } | |
352 | |
353 | |
78 | 354 void LayerWidget::SetSlice(const SliceGeometry& slice) |
66 | 355 { |
356 if (!slice_.IsSamePlane(slice, 100.0 * std::numeric_limits<double>::epsilon())) | |
357 { | |
358 if (currentScene_.get() == NULL || | |
359 (pendingScene_.get() != NULL && | |
360 pendingScene_->IsComplete())) | |
361 { | |
362 currentScene_ = pendingScene_; | |
363 } | |
364 | |
365 slice_ = slice; | |
366 ResetPendingScene(); | |
367 | |
368 if (started_) | |
369 { | |
370 for (size_t i = 0; i < layers_.size(); i++) | |
371 { | |
372 assert(layers_[i] != NULL); | |
373 layers_[i]->ScheduleLayerCreation(slice_); | |
374 } | |
375 } | |
376 } | |
377 } | |
378 | |
379 | |
380 void LayerWidget::NotifyGeometryReady(ILayerSource& source) | |
381 { | |
382 size_t i; | |
383 if (LookupLayer(i, source)) | |
71
30c768873d47
OrthancSliceLoader::ScheduleLoadInstance
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
66
diff
changeset
|
384 LOG(INFO) << "Geometry ready for layer " << i; |
66 | 385 |
386 SetDefaultView(); | |
387 layers_[i]->ScheduleLayerCreation(slice_); | |
388 } | |
389 | |
390 | |
77 | 391 void LayerWidget::NotifyGeometryError(ILayerSource& source) |
392 { | |
393 LOG(ERROR) << "Cannot get geometry"; | |
394 } | |
395 | |
396 | |
66 | 397 void LayerWidget::NotifySourceChange(ILayerSource& source) |
398 { | |
399 source.ScheduleLayerCreation(slice_); | |
400 } | |
401 | |
402 | |
403 void LayerWidget::NotifySliceChange(ILayerSource& source, | |
77 | 404 const Slice& slice) |
66 | 405 { |
77 | 406 if (slice.ContainsPlane(slice_)) |
66 | 407 { |
408 source.ScheduleLayerCreation(slice_); | |
409 } | |
410 } | |
411 | |
412 | |
413 void LayerWidget::NotifyLayerReady(ILayerRenderer* renderer, | |
414 ILayerSource& source, | |
77 | 415 const Slice& slice) |
66 | 416 { |
417 std::auto_ptr<ILayerRenderer> tmp(renderer); | |
418 | |
419 size_t index; | |
420 if (LookupLayer(index, source)) | |
421 { | |
77 | 422 LOG(INFO) << "Renderer ready for layer " << index; |
423 UpdateLayer(index, tmp.release(), slice); | |
66 | 424 } |
425 } | |
426 | |
427 | |
428 void LayerWidget::NotifyLayerError(ILayerSource& source, | |
429 const SliceGeometry& viewportSlice) | |
430 { | |
431 size_t i; | |
432 if (LookupLayer(i, source)) | |
433 LOG(ERROR) << "Error on layer " << i; | |
434 } | |
435 | |
436 | |
437 void LayerWidget::Start() | |
438 { | |
439 if (started_) | |
440 { | |
441 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
442 } | |
443 | |
444 for (size_t i = 0; i < layers_.size(); i++) | |
445 { | |
446 assert(layers_[i] != NULL); | |
447 layers_[i]->Start(); | |
448 } | |
449 } | |
450 } |