Mercurial > hg > orthanc-stone
annotate Framework/Viewport/WidgetViewport.cpp @ 40:7207a407bcd8
shared copyright with osimis
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 04 Jan 2017 16:37:42 +0100 |
parents | ff1e935768e7 |
children | 766d31dc5716 28956ed68280 |
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 | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
11 * | |
12 * In addition, as a special exception, the copyright holders of this | |
13 * program give permission to link the code of its release with the | |
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
15 * that use the same license as the "OpenSSL" library), and distribute | |
16 * the linked executables. You must obey the GNU General Public License | |
17 * in all respects for all of the code used other than "OpenSSL". If you | |
18 * modify file(s) with this exception, you may extend this exception to | |
19 * your version of the file(s), but you are not obligated to do so. If | |
20 * you do not wish to do so, delete this exception statement from your | |
21 * version. If you delete this exception statement from all source files | |
22 * in the program, then also delete it here. | |
23 * | |
24 * This program is distributed in the hope that it will be useful, but | |
25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 * General Public License for more details. | |
28 * | |
29 * You should have received a copy of the GNU General Public License | |
30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
31 **/ | |
32 | |
33 | |
34 #include "WidgetViewport.h" | |
35 | |
16 | 36 #include "../../Resources/Orthanc/Core/Images/ImageProcessing.h" |
37 #include "../../Resources/Orthanc/Core/OrthancException.h" | |
0 | 38 |
39 namespace OrthancStone | |
40 { | |
41 void WidgetViewport::UnregisterCentralWidget() | |
42 { | |
43 mouseTracker_.reset(NULL); | |
44 | |
45 if (centralWidget_.get() != NULL) | |
46 { | |
47 centralWidget_->Unregister(*this); | |
48 } | |
49 } | |
50 | |
51 | |
52 WidgetViewport::WidgetViewport() : | |
53 statusBar_(NULL), | |
54 isMouseOver_(false), | |
55 lastMouseX_(0), | |
56 lastMouseY_(0), | |
57 backgroundChanged_(false), | |
58 started_(false) | |
59 { | |
60 } | |
61 | |
62 | |
63 void WidgetViewport::SetStatusBar(IStatusBar& statusBar) | |
64 { | |
65 boost::mutex::scoped_lock lock(mutex_); | |
66 | |
67 statusBar_ = &statusBar; | |
68 | |
69 if (centralWidget_.get() != NULL) | |
70 { | |
71 centralWidget_->SetStatusBar(statusBar); | |
72 } | |
73 } | |
74 | |
75 | |
76 void WidgetViewport::ResetStatusBar() | |
77 { | |
78 boost::mutex::scoped_lock lock(mutex_); | |
79 | |
80 statusBar_ = NULL; | |
81 | |
82 if (centralWidget_.get() != NULL) | |
83 { | |
84 centralWidget_->ResetStatusBar(); | |
85 } | |
86 } | |
87 | |
88 | |
89 IWidget& WidgetViewport::SetCentralWidget(IWidget* widget) | |
90 { | |
91 if (started_) | |
92 { | |
93 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
94 } | |
95 | |
96 boost::mutex::scoped_lock lock(mutex_); | |
97 | |
98 if (widget == NULL) | |
99 { | |
100 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
101 } | |
102 | |
103 UnregisterCentralWidget(); | |
104 | |
105 centralWidget_.reset(widget); | |
106 centralWidget_->Register(*this); | |
107 | |
108 if (statusBar_ == NULL) | |
109 { | |
110 centralWidget_->ResetStatusBar(); | |
111 } | |
112 else | |
113 { | |
114 centralWidget_->SetStatusBar(*statusBar_); | |
115 } | |
116 | |
117 backgroundChanged_ = true; | |
118 | |
119 return *widget; | |
120 } | |
121 | |
122 | |
123 void WidgetViewport::NotifyChange(const IWidget& widget) | |
124 { | |
125 backgroundChanged_ = true; | |
126 observers_.NotifyChange(this); | |
127 } | |
128 | |
129 | |
130 void WidgetViewport::Start() | |
131 { | |
132 boost::mutex::scoped_lock lock(mutex_); | |
133 | |
134 if (centralWidget_.get() != NULL) | |
135 { | |
136 centralWidget_->Start(); | |
137 } | |
138 | |
139 started_ = true; | |
140 } | |
141 | |
142 | |
143 void WidgetViewport::Stop() | |
144 { | |
145 boost::mutex::scoped_lock lock(mutex_); | |
146 | |
147 started_ = false; | |
148 | |
149 if (centralWidget_.get() != NULL) | |
150 { | |
151 centralWidget_->Stop(); | |
152 } | |
153 } | |
154 | |
155 | |
156 void WidgetViewport::SetSize(unsigned int width, | |
157 unsigned int height) | |
158 { | |
159 boost::mutex::scoped_lock lock(mutex_); | |
160 | |
161 background_.SetSize(width, height); | |
162 | |
163 if (centralWidget_.get() != NULL) | |
164 { | |
165 centralWidget_->SetSize(width, height); | |
166 } | |
167 | |
168 observers_.NotifyChange(this); | |
169 } | |
170 | |
171 | |
172 bool WidgetViewport::Render(Orthanc::ImageAccessor& surface) | |
173 { | |
174 boost::mutex::scoped_lock lock(mutex_); | |
175 | |
176 if (!started_ || | |
177 centralWidget_.get() == NULL) | |
178 { | |
179 return false; | |
180 } | |
181 | |
182 if (backgroundChanged_) | |
183 { | |
184 Orthanc::ImageAccessor accessor = background_.GetAccessor(); | |
185 if (!centralWidget_->Render(accessor)) | |
186 { | |
187 return false; | |
188 } | |
189 } | |
190 | |
191 Orthanc::ImageProcessing::Copy(surface, background_.GetAccessor()); | |
192 | |
193 if (mouseTracker_.get() != NULL) | |
194 { | |
195 mouseTracker_->Render(surface); | |
196 } | |
197 else if (isMouseOver_) | |
198 { | |
199 centralWidget_->RenderMouseOver(surface, lastMouseX_, lastMouseY_); | |
200 } | |
201 | |
202 return true; | |
203 } | |
204 | |
205 | |
206 void WidgetViewport::MouseDown(MouseButton button, | |
207 int x, | |
208 int y, | |
209 KeyboardModifiers modifiers) | |
210 { | |
211 boost::mutex::scoped_lock lock(mutex_); | |
212 | |
213 if (!started_) | |
214 { | |
215 return; | |
216 } | |
217 | |
218 lastMouseX_ = x; | |
219 lastMouseY_ = y; | |
220 | |
221 if (centralWidget_.get() != NULL) | |
222 { | |
223 mouseTracker_.reset(centralWidget_->CreateMouseTracker(button, x, y, modifiers)); | |
224 } | |
225 else | |
226 { | |
227 mouseTracker_.reset(NULL); | |
228 } | |
229 | |
230 observers_.NotifyChange(this);; | |
231 } | |
232 | |
233 | |
234 void WidgetViewport::MouseUp() | |
235 { | |
236 boost::mutex::scoped_lock lock(mutex_); | |
237 | |
238 if (!started_) | |
239 { | |
240 return; | |
241 } | |
242 | |
243 if (mouseTracker_.get() != NULL) | |
244 { | |
245 mouseTracker_->MouseUp(); | |
246 mouseTracker_.reset(NULL); | |
247 observers_.NotifyChange(this);; | |
248 } | |
249 } | |
250 | |
251 | |
252 void WidgetViewport::MouseMove(int x, | |
253 int y) | |
254 { | |
255 boost::mutex::scoped_lock lock(mutex_); | |
256 | |
257 if (!started_) | |
258 { | |
259 return; | |
260 } | |
261 | |
262 lastMouseX_ = x; | |
263 lastMouseY_ = y; | |
264 | |
265 if (mouseTracker_.get() != NULL) | |
266 { | |
267 mouseTracker_->MouseMove(x, y); | |
268 } | |
269 | |
270 // The scene must be repainted | |
271 observers_.NotifyChange(this); | |
272 } | |
273 | |
274 | |
275 void WidgetViewport::MouseEnter() | |
276 { | |
277 boost::mutex::scoped_lock lock(mutex_); | |
278 isMouseOver_ = true; | |
279 observers_.NotifyChange(this); | |
280 } | |
281 | |
282 | |
283 void WidgetViewport::MouseLeave() | |
284 { | |
285 boost::mutex::scoped_lock lock(mutex_); | |
286 isMouseOver_ = false; | |
287 observers_.NotifyChange(this); | |
288 } | |
289 | |
290 | |
291 void WidgetViewport::MouseWheel(MouseWheelDirection direction, | |
292 int x, | |
293 int y, | |
294 KeyboardModifiers modifiers) | |
295 { | |
296 boost::mutex::scoped_lock lock(mutex_); | |
297 | |
298 if (!started_) | |
299 { | |
300 return; | |
301 } | |
302 | |
303 if (centralWidget_.get() != NULL && | |
304 mouseTracker_.get() == NULL) | |
305 { | |
306 centralWidget_->MouseWheel(direction, x, y, modifiers); | |
307 } | |
308 } | |
309 | |
310 | |
311 void WidgetViewport::KeyPressed(char key, | |
312 KeyboardModifiers modifiers) | |
313 { | |
314 boost::mutex::scoped_lock lock(mutex_); | |
315 | |
316 if (centralWidget_.get() != NULL && | |
317 mouseTracker_.get() == NULL) | |
318 { | |
319 centralWidget_->KeyPressed(key, modifiers); | |
320 } | |
321 } | |
322 } |