Mercurial > hg > orthanc-stone
annotate Framework/Viewport/WidgetViewport.cpp @ 48:25befef48c35 wasm
integration mainline->wasm
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 27 Apr 2017 11:01:48 +0200 |
parents | 766d31dc5716 28956ed68280 |
children | c2dc924f1a63 |
rev | line source |
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0 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017 Osimis, Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
47 | 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. | |
0 | 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 | |
47 | 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 | |
0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
19 **/ | |
20 | |
21 | |
22 #include "WidgetViewport.h" | |
23 | |
16 | 24 #include "../../Resources/Orthanc/Core/Images/ImageProcessing.h" |
25 #include "../../Resources/Orthanc/Core/OrthancException.h" | |
0 | 26 |
27 namespace OrthancStone | |
28 { | |
29 void WidgetViewport::UnregisterCentralWidget() | |
30 { | |
31 mouseTracker_.reset(NULL); | |
32 | |
33 if (centralWidget_.get() != NULL) | |
34 { | |
35 centralWidget_->Unregister(*this); | |
36 } | |
37 } | |
38 | |
39 | |
40 WidgetViewport::WidgetViewport() : | |
41 statusBar_(NULL), | |
42 isMouseOver_(false), | |
43 lastMouseX_(0), | |
44 lastMouseY_(0), | |
45 backgroundChanged_(false), | |
46 started_(false) | |
47 { | |
48 } | |
49 | |
50 | |
51 void WidgetViewport::SetStatusBar(IStatusBar& statusBar) | |
52 { | |
53 boost::mutex::scoped_lock lock(mutex_); | |
54 | |
55 statusBar_ = &statusBar; | |
56 | |
57 if (centralWidget_.get() != NULL) | |
58 { | |
59 centralWidget_->SetStatusBar(statusBar); | |
60 } | |
61 } | |
62 | |
63 | |
64 void WidgetViewport::ResetStatusBar() | |
65 { | |
66 boost::mutex::scoped_lock lock(mutex_); | |
67 | |
68 statusBar_ = NULL; | |
69 | |
70 if (centralWidget_.get() != NULL) | |
71 { | |
72 centralWidget_->ResetStatusBar(); | |
73 } | |
74 } | |
75 | |
76 | |
77 IWidget& WidgetViewport::SetCentralWidget(IWidget* widget) | |
78 { | |
79 if (started_) | |
80 { | |
81 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
82 } | |
83 | |
84 boost::mutex::scoped_lock lock(mutex_); | |
85 | |
86 if (widget == NULL) | |
87 { | |
88 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
89 } | |
90 | |
91 UnregisterCentralWidget(); | |
92 | |
93 centralWidget_.reset(widget); | |
94 centralWidget_->Register(*this); | |
95 | |
96 if (statusBar_ == NULL) | |
97 { | |
98 centralWidget_->ResetStatusBar(); | |
99 } | |
100 else | |
101 { | |
102 centralWidget_->SetStatusBar(*statusBar_); | |
103 } | |
104 | |
105 backgroundChanged_ = true; | |
106 | |
107 return *widget; | |
108 } | |
109 | |
110 | |
111 void WidgetViewport::NotifyChange(const IWidget& widget) | |
112 { | |
113 backgroundChanged_ = true; | |
114 observers_.NotifyChange(this); | |
115 } | |
116 | |
117 | |
118 void WidgetViewport::Start() | |
119 { | |
120 boost::mutex::scoped_lock lock(mutex_); | |
121 | |
122 if (centralWidget_.get() != NULL) | |
123 { | |
124 centralWidget_->Start(); | |
125 } | |
126 | |
127 started_ = true; | |
128 } | |
129 | |
130 | |
131 void WidgetViewport::Stop() | |
132 { | |
133 boost::mutex::scoped_lock lock(mutex_); | |
134 | |
135 started_ = false; | |
136 | |
137 if (centralWidget_.get() != NULL) | |
138 { | |
139 centralWidget_->Stop(); | |
140 } | |
141 } | |
142 | |
143 | |
144 void WidgetViewport::SetSize(unsigned int width, | |
145 unsigned int height) | |
146 { | |
147 boost::mutex::scoped_lock lock(mutex_); | |
148 | |
149 background_.SetSize(width, height); | |
150 | |
151 if (centralWidget_.get() != NULL) | |
152 { | |
153 centralWidget_->SetSize(width, height); | |
154 } | |
155 | |
156 observers_.NotifyChange(this); | |
157 } | |
158 | |
159 | |
160 bool WidgetViewport::Render(Orthanc::ImageAccessor& surface) | |
161 { | |
162 boost::mutex::scoped_lock lock(mutex_); | |
163 | |
164 if (!started_ || | |
165 centralWidget_.get() == NULL) | |
166 { | |
167 return false; | |
168 } | |
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169 |
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170 Orthanc::ImageAccessor background = background_.GetAccessor(); |
0 | 171 |
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172 if (backgroundChanged_ && |
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173 !centralWidget_->Render(background)) |
0 | 174 { |
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175 return false; |
0 | 176 } |
177 | |
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178 if (background.GetWidth() != surface.GetWidth() || |
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179 background.GetHeight() != surface.GetHeight()) |
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180 { |
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181 return false; |
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182 } |
0 | 183 |
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184 Orthanc::ImageProcessing::Convert(surface, background); |
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185 |
0 | 186 if (mouseTracker_.get() != NULL) |
187 { | |
188 mouseTracker_->Render(surface); | |
189 } | |
190 else if (isMouseOver_) | |
191 { | |
192 centralWidget_->RenderMouseOver(surface, lastMouseX_, lastMouseY_); | |
193 } | |
194 | |
195 return true; | |
196 } | |
197 | |
198 | |
199 void WidgetViewport::MouseDown(MouseButton button, | |
200 int x, | |
201 int y, | |
202 KeyboardModifiers modifiers) | |
203 { | |
204 boost::mutex::scoped_lock lock(mutex_); | |
205 | |
206 if (!started_) | |
207 { | |
208 return; | |
209 } | |
210 | |
211 lastMouseX_ = x; | |
212 lastMouseY_ = y; | |
213 | |
214 if (centralWidget_.get() != NULL) | |
215 { | |
216 mouseTracker_.reset(centralWidget_->CreateMouseTracker(button, x, y, modifiers)); | |
217 } | |
218 else | |
219 { | |
220 mouseTracker_.reset(NULL); | |
221 } | |
222 | |
223 observers_.NotifyChange(this);; | |
224 } | |
225 | |
226 | |
227 void WidgetViewport::MouseUp() | |
228 { | |
229 boost::mutex::scoped_lock lock(mutex_); | |
230 | |
231 if (!started_) | |
232 { | |
233 return; | |
234 } | |
235 | |
236 if (mouseTracker_.get() != NULL) | |
237 { | |
238 mouseTracker_->MouseUp(); | |
239 mouseTracker_.reset(NULL); | |
240 observers_.NotifyChange(this);; | |
241 } | |
242 } | |
243 | |
244 | |
245 void WidgetViewport::MouseMove(int x, | |
246 int y) | |
247 { | |
248 boost::mutex::scoped_lock lock(mutex_); | |
249 | |
250 if (!started_) | |
251 { | |
252 return; | |
253 } | |
254 | |
255 lastMouseX_ = x; | |
256 lastMouseY_ = y; | |
257 | |
258 if (mouseTracker_.get() != NULL) | |
259 { | |
260 mouseTracker_->MouseMove(x, y); | |
261 } | |
262 | |
263 // The scene must be repainted | |
264 observers_.NotifyChange(this); | |
265 } | |
266 | |
267 | |
268 void WidgetViewport::MouseEnter() | |
269 { | |
270 boost::mutex::scoped_lock lock(mutex_); | |
271 isMouseOver_ = true; | |
272 observers_.NotifyChange(this); | |
273 } | |
274 | |
275 | |
276 void WidgetViewport::MouseLeave() | |
277 { | |
278 boost::mutex::scoped_lock lock(mutex_); | |
279 isMouseOver_ = false; | |
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280 |
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281 if (started_ && |
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282 mouseTracker_.get() != NULL) |
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283 { |
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284 mouseTracker_->MouseUp(); |
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285 mouseTracker_.reset(NULL); |
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286 } |
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287 |
0 | 288 observers_.NotifyChange(this); |
289 } | |
290 | |
291 | |
292 void WidgetViewport::MouseWheel(MouseWheelDirection direction, | |
293 int x, | |
294 int y, | |
295 KeyboardModifiers modifiers) | |
296 { | |
297 boost::mutex::scoped_lock lock(mutex_); | |
298 | |
299 if (!started_) | |
300 { | |
301 return; | |
302 } | |
303 | |
304 if (centralWidget_.get() != NULL && | |
305 mouseTracker_.get() == NULL) | |
306 { | |
307 centralWidget_->MouseWheel(direction, x, y, modifiers); | |
308 } | |
309 } | |
310 | |
311 | |
312 void WidgetViewport::KeyPressed(char key, | |
313 KeyboardModifiers modifiers) | |
314 { | |
315 boost::mutex::scoped_lock lock(mutex_); | |
316 | |
317 if (centralWidget_.get() != NULL && | |
318 mouseTracker_.get() == NULL) | |
319 { | |
320 centralWidget_->KeyPressed(key, modifiers); | |
321 } | |
322 } | |
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323 |
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324 |
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325 bool WidgetViewport::HasUpdateContent() |
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326 { |
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327 boost::mutex::scoped_lock lock(mutex_); |
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328 |
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329 if (centralWidget_.get() != NULL) |
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330 { |
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331 return centralWidget_->HasUpdateContent(); |
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332 } |
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333 else |
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334 { |
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335 return false; |
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336 } |
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337 } |
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338 |
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339 |
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340 void WidgetViewport::UpdateContent() |
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341 { |
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342 boost::mutex::scoped_lock lock(mutex_); |
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343 |
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344 if (centralWidget_.get() != NULL) |
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345 { |
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346 centralWidget_->UpdateContent(); |
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347 } |
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348 } |
0 | 349 } |