Mercurial > hg > orthanc-stone
annotate Framework/Viewport/WidgetViewport.cpp @ 47:28956ed68280
agpl license
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 27 Apr 2017 11:00:15 +0200 |
parents | 7207a407bcd8 |
children | 25befef48c35 4cff7b1ed31d |
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 | |
40
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
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 } | |
169 | |
170 if (backgroundChanged_) | |
171 { | |
172 Orthanc::ImageAccessor accessor = background_.GetAccessor(); | |
173 if (!centralWidget_->Render(accessor)) | |
174 { | |
175 return false; | |
176 } | |
177 } | |
178 | |
179 Orthanc::ImageProcessing::Copy(surface, background_.GetAccessor()); | |
180 | |
181 if (mouseTracker_.get() != NULL) | |
182 { | |
183 mouseTracker_->Render(surface); | |
184 } | |
185 else if (isMouseOver_) | |
186 { | |
187 centralWidget_->RenderMouseOver(surface, lastMouseX_, lastMouseY_); | |
188 } | |
189 | |
190 return true; | |
191 } | |
192 | |
193 | |
194 void WidgetViewport::MouseDown(MouseButton button, | |
195 int x, | |
196 int y, | |
197 KeyboardModifiers modifiers) | |
198 { | |
199 boost::mutex::scoped_lock lock(mutex_); | |
200 | |
201 if (!started_) | |
202 { | |
203 return; | |
204 } | |
205 | |
206 lastMouseX_ = x; | |
207 lastMouseY_ = y; | |
208 | |
209 if (centralWidget_.get() != NULL) | |
210 { | |
211 mouseTracker_.reset(centralWidget_->CreateMouseTracker(button, x, y, modifiers)); | |
212 } | |
213 else | |
214 { | |
215 mouseTracker_.reset(NULL); | |
216 } | |
217 | |
218 observers_.NotifyChange(this);; | |
219 } | |
220 | |
221 | |
222 void WidgetViewport::MouseUp() | |
223 { | |
224 boost::mutex::scoped_lock lock(mutex_); | |
225 | |
226 if (!started_) | |
227 { | |
228 return; | |
229 } | |
230 | |
231 if (mouseTracker_.get() != NULL) | |
232 { | |
233 mouseTracker_->MouseUp(); | |
234 mouseTracker_.reset(NULL); | |
235 observers_.NotifyChange(this);; | |
236 } | |
237 } | |
238 | |
239 | |
240 void WidgetViewport::MouseMove(int x, | |
241 int y) | |
242 { | |
243 boost::mutex::scoped_lock lock(mutex_); | |
244 | |
245 if (!started_) | |
246 { | |
247 return; | |
248 } | |
249 | |
250 lastMouseX_ = x; | |
251 lastMouseY_ = y; | |
252 | |
253 if (mouseTracker_.get() != NULL) | |
254 { | |
255 mouseTracker_->MouseMove(x, y); | |
256 } | |
257 | |
258 // The scene must be repainted | |
259 observers_.NotifyChange(this); | |
260 } | |
261 | |
262 | |
263 void WidgetViewport::MouseEnter() | |
264 { | |
265 boost::mutex::scoped_lock lock(mutex_); | |
266 isMouseOver_ = true; | |
267 observers_.NotifyChange(this); | |
268 } | |
269 | |
270 | |
271 void WidgetViewport::MouseLeave() | |
272 { | |
273 boost::mutex::scoped_lock lock(mutex_); | |
274 isMouseOver_ = false; | |
275 observers_.NotifyChange(this); | |
276 } | |
277 | |
278 | |
279 void WidgetViewport::MouseWheel(MouseWheelDirection direction, | |
280 int x, | |
281 int y, | |
282 KeyboardModifiers modifiers) | |
283 { | |
284 boost::mutex::scoped_lock lock(mutex_); | |
285 | |
286 if (!started_) | |
287 { | |
288 return; | |
289 } | |
290 | |
291 if (centralWidget_.get() != NULL && | |
292 mouseTracker_.get() == NULL) | |
293 { | |
294 centralWidget_->MouseWheel(direction, x, y, modifiers); | |
295 } | |
296 } | |
297 | |
298 | |
299 void WidgetViewport::KeyPressed(char key, | |
300 KeyboardModifiers modifiers) | |
301 { | |
302 boost::mutex::scoped_lock lock(mutex_); | |
303 | |
304 if (centralWidget_.get() != NULL && | |
305 mouseTracker_.get() == NULL) | |
306 { | |
307 centralWidget_->KeyPressed(key, modifiers); | |
308 } | |
309 } | |
310 } |