Mercurial > hg > orthanc-stone
annotate Framework/Viewport/WidgetViewport.cpp @ 53:c2dc924f1a63 wasm
removing threading out of the framework
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 27 Apr 2017 16:57:49 +0200 |
parents | 25befef48c35 |
children | 01aa453d4d5b |
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 statusBar_ = &statusBar; | |
54 | |
55 if (centralWidget_.get() != NULL) | |
56 { | |
57 centralWidget_->SetStatusBar(statusBar); | |
58 } | |
59 } | |
60 | |
61 | |
62 void WidgetViewport::ResetStatusBar() | |
63 { | |
64 statusBar_ = NULL; | |
65 | |
66 if (centralWidget_.get() != NULL) | |
67 { | |
68 centralWidget_->ResetStatusBar(); | |
69 } | |
70 } | |
71 | |
72 | |
73 IWidget& WidgetViewport::SetCentralWidget(IWidget* widget) | |
74 { | |
75 if (started_) | |
76 { | |
77 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
78 } | |
79 | |
80 if (widget == NULL) | |
81 { | |
82 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
83 } | |
84 | |
85 UnregisterCentralWidget(); | |
86 | |
87 centralWidget_.reset(widget); | |
88 centralWidget_->Register(*this); | |
89 | |
90 if (statusBar_ == NULL) | |
91 { | |
92 centralWidget_->ResetStatusBar(); | |
93 } | |
94 else | |
95 { | |
96 centralWidget_->SetStatusBar(*statusBar_); | |
97 } | |
98 | |
99 backgroundChanged_ = true; | |
100 | |
101 return *widget; | |
102 } | |
103 | |
104 | |
105 void WidgetViewport::NotifyChange(const IWidget& widget) | |
106 { | |
107 backgroundChanged_ = true; | |
108 observers_.NotifyChange(this); | |
109 } | |
110 | |
111 | |
112 void WidgetViewport::Start() | |
113 { | |
114 if (centralWidget_.get() != NULL) | |
115 { | |
116 centralWidget_->Start(); | |
117 } | |
118 | |
119 started_ = true; | |
120 } | |
121 | |
122 | |
123 void WidgetViewport::Stop() | |
124 { | |
125 started_ = false; | |
126 | |
127 if (centralWidget_.get() != NULL) | |
128 { | |
129 centralWidget_->Stop(); | |
130 } | |
131 } | |
132 | |
133 | |
134 void WidgetViewport::SetSize(unsigned int width, | |
135 unsigned int height) | |
136 { | |
137 background_.SetSize(width, height); | |
138 | |
139 if (centralWidget_.get() != NULL) | |
140 { | |
141 centralWidget_->SetSize(width, height); | |
142 } | |
143 | |
144 observers_.NotifyChange(this); | |
145 } | |
146 | |
147 | |
148 bool WidgetViewport::Render(Orthanc::ImageAccessor& surface) | |
149 { | |
150 if (!started_ || | |
151 centralWidget_.get() == NULL) | |
152 { | |
153 return false; | |
154 } | |
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155 |
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156 Orthanc::ImageAccessor background = background_.GetAccessor(); |
0 | 157 |
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158 if (backgroundChanged_ && |
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159 !centralWidget_->Render(background)) |
0 | 160 { |
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161 return false; |
0 | 162 } |
163 | |
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164 if (background.GetWidth() != surface.GetWidth() || |
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165 background.GetHeight() != surface.GetHeight()) |
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166 { |
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167 return false; |
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168 } |
0 | 169 |
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170 Orthanc::ImageProcessing::Convert(surface, background); |
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171 |
0 | 172 if (mouseTracker_.get() != NULL) |
173 { | |
174 mouseTracker_->Render(surface); | |
175 } | |
176 else if (isMouseOver_) | |
177 { | |
178 centralWidget_->RenderMouseOver(surface, lastMouseX_, lastMouseY_); | |
179 } | |
180 | |
181 return true; | |
182 } | |
183 | |
184 | |
185 void WidgetViewport::MouseDown(MouseButton button, | |
186 int x, | |
187 int y, | |
188 KeyboardModifiers modifiers) | |
189 { | |
190 if (!started_) | |
191 { | |
192 return; | |
193 } | |
194 | |
195 lastMouseX_ = x; | |
196 lastMouseY_ = y; | |
197 | |
198 if (centralWidget_.get() != NULL) | |
199 { | |
200 mouseTracker_.reset(centralWidget_->CreateMouseTracker(button, x, y, modifiers)); | |
201 } | |
202 else | |
203 { | |
204 mouseTracker_.reset(NULL); | |
205 } | |
206 | |
207 observers_.NotifyChange(this);; | |
208 } | |
209 | |
210 | |
211 void WidgetViewport::MouseUp() | |
212 { | |
213 if (!started_) | |
214 { | |
215 return; | |
216 } | |
217 | |
218 if (mouseTracker_.get() != NULL) | |
219 { | |
220 mouseTracker_->MouseUp(); | |
221 mouseTracker_.reset(NULL); | |
222 observers_.NotifyChange(this);; | |
223 } | |
224 } | |
225 | |
226 | |
227 void WidgetViewport::MouseMove(int x, | |
228 int y) | |
229 { | |
230 if (!started_) | |
231 { | |
232 return; | |
233 } | |
234 | |
235 lastMouseX_ = x; | |
236 lastMouseY_ = y; | |
237 | |
238 if (mouseTracker_.get() != NULL) | |
239 { | |
240 mouseTracker_->MouseMove(x, y); | |
241 } | |
242 | |
243 // The scene must be repainted | |
244 observers_.NotifyChange(this); | |
245 } | |
246 | |
247 | |
248 void WidgetViewport::MouseEnter() | |
249 { | |
250 isMouseOver_ = true; | |
251 observers_.NotifyChange(this); | |
252 } | |
253 | |
254 | |
255 void WidgetViewport::MouseLeave() | |
256 { | |
257 isMouseOver_ = false; | |
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258 |
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259 if (started_ && |
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260 mouseTracker_.get() != NULL) |
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261 { |
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262 mouseTracker_->MouseUp(); |
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263 mouseTracker_.reset(NULL); |
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264 } |
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265 |
0 | 266 observers_.NotifyChange(this); |
267 } | |
268 | |
269 | |
270 void WidgetViewport::MouseWheel(MouseWheelDirection direction, | |
271 int x, | |
272 int y, | |
273 KeyboardModifiers modifiers) | |
274 { | |
275 if (!started_) | |
276 { | |
277 return; | |
278 } | |
279 | |
280 if (centralWidget_.get() != NULL && | |
281 mouseTracker_.get() == NULL) | |
282 { | |
283 centralWidget_->MouseWheel(direction, x, y, modifiers); | |
284 } | |
285 } | |
286 | |
287 | |
288 void WidgetViewport::KeyPressed(char key, | |
289 KeyboardModifiers modifiers) | |
290 { | |
291 if (centralWidget_.get() != NULL && | |
292 mouseTracker_.get() == NULL) | |
293 { | |
294 centralWidget_->KeyPressed(key, modifiers); | |
295 } | |
296 } | |
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297 |
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298 |
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299 bool WidgetViewport::HasUpdateContent() |
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300 { |
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301 if (centralWidget_.get() != NULL) |
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302 { |
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303 return centralWidget_->HasUpdateContent(); |
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304 } |
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305 else |
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306 { |
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307 return false; |
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308 } |
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309 } |
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310 |
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311 |
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312 void WidgetViewport::UpdateContent() |
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313 { |
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314 if (centralWidget_.get() != NULL) |
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315 { |
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316 centralWidget_->UpdateContent(); |
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317 } |
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318 } |
0 | 319 } |