Mercurial > hg > orthanc-stone
annotate Samples/Sdl/TrackerSampleApp.cpp @ 680:0eb26f514ac5
loading of slice images
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 16 May 2019 12:33:43 +0200 |
parents | 970949ff868a |
children | 5c551f078c18 |
rev | line source |
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644 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2019 Osimis S.A., 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 #include "TrackerSampleApp.h" | |
22 | |
23 #include "../Common/CreateLineMeasureTracker.h" | |
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24 #include "../Common/CreateAngleMeasureTracker.h" |
644 | 25 |
26 #include "../../Applications/Sdl/SdlOpenGLWindow.h" | |
27 | |
28 #include "../../Framework/Scene2D/PanSceneTracker.h" | |
29 #include "../../Framework/Scene2D/RotateSceneTracker.h" | |
30 #include "../../Framework/Scene2D/Scene2D.h" | |
31 #include "../../Framework/Scene2D/ZoomSceneTracker.h" | |
32 #include "../../Framework/Scene2D/CairoCompositor.h" | |
33 #include "../../Framework/Scene2D/ColorTextureSceneLayer.h" | |
34 #include "../../Framework/Scene2D/OpenGLCompositor.h" | |
35 #include "../../Framework/StoneInitialization.h" | |
36 | |
37 // From Orthanc framework | |
38 #include <Core/Logging.h> | |
39 #include <Core/OrthancException.h> | |
40 #include <Core/Images/Image.h> | |
41 #include <Core/Images/ImageProcessing.h> | |
42 #include <Core/Images/PngWriter.h> | |
43 | |
44 #include <SDL.h> | |
45 #include <stdio.h> | |
46 | |
47 using namespace Orthanc; | |
48 | |
49 namespace OrthancStone | |
50 { | |
51 const char* MeasureToolToString(size_t i) | |
52 { | |
53 static const char* descs[] = { | |
54 "GuiTool_Rotate", | |
55 "GuiTool_Pan", | |
56 "GuiTool_Zoom", | |
57 "GuiTool_LineMeasure", | |
58 "GuiTool_CircleMeasure", | |
59 "GuiTool_AngleMeasure", | |
60 "GuiTool_EllipseMeasure", | |
61 "GuiTool_LAST" | |
62 }; | |
63 if (i >= GuiTool_LAST) | |
64 { | |
65 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, "Wrong tool index"); | |
66 } | |
67 return descs[i]; | |
68 } | |
69 | |
70 Scene2D& TrackerSampleApp::GetScene() | |
71 { | |
72 return scene_; | |
73 } | |
74 | |
75 void TrackerSampleApp::SelectNextTool() | |
76 { | |
77 currentTool_ = static_cast<GuiTool>(currentTool_ + 1); | |
78 if (currentTool_ == GuiTool_LAST) | |
79 currentTool_ = static_cast<GuiTool>(0);; | |
80 printf("Current tool is now: %s\n", MeasureToolToString(currentTool_)); | |
81 } | |
82 | |
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83 void TrackerSampleApp::DisplayInfoText() |
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84 { |
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85 // do not try to use stuff too early! |
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86 if (compositor_.get() == NULL) |
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87 return; |
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88 |
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89 std::stringstream msg; |
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90 for (auto kv : infoTextMap_) |
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91 { |
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92 msg << kv.first << " : " << kv.second << std::endl; |
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93 } |
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94 auto msgS = msg.str(); |
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95 |
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96 TextSceneLayer* layerP = NULL; |
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97 if (scene_.HasLayer(FIXED_INFOTEXT_LAYER_ZINDEX)) |
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98 { |
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99 TextSceneLayer& layer = dynamic_cast<TextSceneLayer&>( |
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100 scene_.GetLayer(FIXED_INFOTEXT_LAYER_ZINDEX)); |
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101 layerP = &layer; |
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102 } |
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103 else |
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104 { |
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105 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer); |
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106 layerP = layer.get(); |
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107 layer->SetColor(0, 255, 0); |
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108 layer->SetFontIndex(1); |
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109 layer->SetBorder(20); |
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110 layer->SetAnchor(BitmapAnchor_TopLeft); |
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111 //layer->SetPosition(0,0); |
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112 scene_.SetLayer(FIXED_INFOTEXT_LAYER_ZINDEX, layer.release()); |
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113 } |
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114 // position the fixed info text in the upper right corner |
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115 layerP->SetText(msgS.c_str()); |
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116 double cX = compositor_->GetCanvasWidth() * (-0.5); |
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117 double cY = compositor_->GetCanvasHeight() * (-0.5); |
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118 scene_.GetCanvasToSceneTransform().Apply(cX,cY); |
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119 layerP->SetPosition(cX, cY); |
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120 } |
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121 |
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122 void TrackerSampleApp::DisplayFloatingCtrlInfoText(const PointerEvent& e) |
644 | 123 { |
124 ScenePoint2D p = e.GetMainPosition().Apply(scene_.GetCanvasToSceneTransform()); | |
125 | |
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126 char buf[128]; |
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127 sprintf(buf, "S:(%0.02f,%0.02f) C:(%0.02f,%0.02f)", |
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128 p.GetX(), p.GetY(), |
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129 e.GetMainPosition().GetX(), e.GetMainPosition().GetY()); |
644 | 130 |
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131 if (scene_.HasLayer(FLOATING_INFOTEXT_LAYER_ZINDEX)) |
644 | 132 { |
133 TextSceneLayer& layer = | |
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134 dynamic_cast<TextSceneLayer&>(scene_.GetLayer(FLOATING_INFOTEXT_LAYER_ZINDEX)); |
644 | 135 layer.SetText(buf); |
136 layer.SetPosition(p.GetX(), p.GetY()); | |
137 } | |
138 else | |
139 { | |
140 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer); | |
141 layer->SetColor(0, 255, 0); | |
142 layer->SetText(buf); | |
143 layer->SetBorder(20); | |
144 layer->SetAnchor(BitmapAnchor_BottomCenter); | |
145 layer->SetPosition(p.GetX(), p.GetY()); | |
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146 scene_.SetLayer(FLOATING_INFOTEXT_LAYER_ZINDEX, layer.release()); |
644 | 147 } |
148 } | |
149 | |
150 void TrackerSampleApp::HideInfoText() | |
151 { | |
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152 scene_.DeleteLayer(FLOATING_INFOTEXT_LAYER_ZINDEX); |
644 | 153 } |
154 | |
155 void TrackerSampleApp::HandleApplicationEvent( | |
156 const SDL_Event & event) | |
157 { | |
656
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158 DisplayInfoText(); |
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159 |
644 | 160 if (event.type == SDL_MOUSEMOTION) |
161 { | |
162 int scancodeCount = 0; | |
163 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); | |
164 | |
165 if (activeTracker_.get() == NULL && | |
166 SDL_SCANCODE_LCTRL < scancodeCount && | |
167 keyboardState[SDL_SCANCODE_LCTRL]) | |
168 { | |
169 // The "left-ctrl" key is down, while no tracker is present | |
170 // Let's display the info text | |
171 PointerEvent e; | |
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172 e.AddPosition(compositor_->GetPixelCenterCoordinates( |
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173 event.button.x, event.button.y)); |
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174 |
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175 DisplayFloatingCtrlInfoText(e); |
644 | 176 } |
177 else | |
178 { | |
179 HideInfoText(); | |
180 //LOG(TRACE) << "(event.type == SDL_MOUSEMOTION)"; | |
181 if (activeTracker_.get() != NULL) | |
182 { | |
183 //LOG(TRACE) << "(activeTracker_.get() != NULL)"; | |
184 PointerEvent e; | |
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185 e.AddPosition(compositor_->GetPixelCenterCoordinates( |
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186 event.button.x, event.button.y)); |
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187 |
644 | 188 //LOG(TRACE) << "event.button.x = " << event.button.x << " " << |
189 // "event.button.y = " << event.button.y; | |
190 //LOG(TRACE) << "activeTracker_->PointerMove(e); " << | |
191 // e.GetMainPosition().GetX() << " " << e.GetMainPosition().GetY(); | |
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192 |
644 | 193 activeTracker_->PointerMove(e); |
194 if (!activeTracker_->IsActive()) | |
195 activeTracker_ = NULL; | |
196 } | |
197 } | |
198 } | |
199 else if (event.type == SDL_MOUSEBUTTONUP) | |
200 { | |
201 if (activeTracker_) | |
202 { | |
203 PointerEvent e; | |
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204 e.AddPosition(compositor_->GetPixelCenterCoordinates(event.button.x, event.button.y)); |
644 | 205 activeTracker_->PointerUp(e); |
206 if (!activeTracker_->IsActive()) | |
207 activeTracker_ = NULL; | |
208 } | |
209 } | |
210 else if (event.type == SDL_MOUSEBUTTONDOWN) | |
211 { | |
212 PointerEvent e; | |
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213 e.AddPosition(compositor_->GetPixelCenterCoordinates( |
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214 event.button.x, event.button.y)); |
644 | 215 if (activeTracker_) |
216 { | |
217 activeTracker_->PointerDown(e); | |
218 if (!activeTracker_->IsActive()) | |
219 activeTracker_ = NULL; | |
220 } | |
221 else | |
222 { | |
223 // we ATTEMPT to create a tracker if need be | |
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224 activeTracker_ = CreateSuitableTracker(event, e); |
644 | 225 } |
226 } | |
227 else if (event.type == SDL_KEYDOWN && | |
228 event.key.repeat == 0 /* Ignore key bounce */) | |
229 { | |
230 switch (event.key.keysym.sym) | |
231 { | |
232 case SDLK_ESCAPE: | |
233 if (activeTracker_) | |
234 { | |
235 activeTracker_->Cancel(); | |
236 if (!activeTracker_->IsActive()) | |
237 activeTracker_ = NULL; | |
238 } | |
239 break; | |
240 | |
241 case SDLK_t: | |
242 if (!activeTracker_) | |
243 SelectNextTool(); | |
244 else | |
245 { | |
246 LOG(WARNING) << "You cannot change the active tool when an interaction" | |
247 " is taking place"; | |
248 } | |
249 break; | |
250 | |
251 case SDLK_s: | |
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252 scene_.FitContent(compositor_->GetCanvasWidth(), |
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253 compositor_->GetCanvasHeight()); |
644 | 254 break; |
255 | |
256 case SDLK_c: | |
257 TakeScreenshot( | |
258 "screenshot.png", | |
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259 compositor_->GetCanvasWidth(), |
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260 compositor_->GetCanvasHeight()); |
644 | 261 break; |
262 | |
263 default: | |
264 break; | |
265 } | |
266 } | |
267 } | |
268 | |
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269 |
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270 void TrackerSampleApp::OnSceneTransformChanged(const Scene2D::SceneTransformChanged& message) |
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271 { |
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272 DisplayInfoText(); |
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273 } |
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274 |
644 | 275 FlexiblePointerTrackerPtr TrackerSampleApp::CreateSuitableTracker( |
276 const SDL_Event & event, | |
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277 const PointerEvent & e) |
644 | 278 { |
279 switch (event.button.button) | |
280 { | |
281 case SDL_BUTTON_MIDDLE: | |
282 return CreateSimpleTrackerAdapter(PointerTrackerPtr( | |
283 new PanSceneTracker(scene_, e))); | |
284 | |
285 case SDL_BUTTON_RIGHT: | |
286 return CreateSimpleTrackerAdapter(PointerTrackerPtr( | |
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287 new ZoomSceneTracker(scene_, e, compositor_->GetCanvasHeight()))); |
644 | 288 |
289 case SDL_BUTTON_LEFT: | |
290 { | |
291 //LOG(TRACE) << "CreateSuitableTracker: case SDL_BUTTON_LEFT:"; | |
292 // TODO: we need to iterate on the set of measuring tool and perform | |
293 // a hit test to check if a tracker needs to be created for edition. | |
294 // Otherwise, depending upon the active tool, we might want to create | |
295 // a "measuring tool creation" tracker | |
296 | |
297 // TODO: if there are conflicts, we should prefer a tracker that | |
298 // pertains to the type of measuring tool currently selected (TBD?) | |
299 FlexiblePointerTrackerPtr hitTestTracker = TrackerHitTest(e); | |
300 | |
301 if (hitTestTracker != NULL) | |
302 { | |
303 //LOG(TRACE) << "hitTestTracker != NULL"; | |
304 return hitTestTracker; | |
305 } | |
306 else | |
307 { | |
308 switch (currentTool_) | |
309 { | |
310 case GuiTool_Rotate: | |
311 //LOG(TRACE) << "Creating RotateSceneTracker"; | |
312 return CreateSimpleTrackerAdapter(PointerTrackerPtr( | |
313 new RotateSceneTracker(scene_, e))); | |
314 case GuiTool_Pan: | |
315 return CreateSimpleTrackerAdapter(PointerTrackerPtr( | |
316 new PanSceneTracker(scene_, e))); | |
317 case GuiTool_Zoom: | |
318 return CreateSimpleTrackerAdapter(PointerTrackerPtr( | |
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319 new ZoomSceneTracker(scene_, e, compositor_->GetCanvasHeight()))); |
644 | 320 //case GuiTool_AngleMeasure: |
321 // return new AngleMeasureTracker(scene_, measureTools_, undoStack_, e); | |
322 //case GuiTool_CircleMeasure: | |
323 // return new CircleMeasureTracker(scene_, measureTools_, undoStack_, e); | |
324 //case GuiTool_EllipseMeasure: | |
325 // return new EllipseMeasureTracker(scene_, measureTools_, undoStack_, e); | |
651
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326 case GuiTool_LineMeasure: |
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327 return FlexiblePointerTrackerPtr(new CreateLineMeasureTracker( |
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328 IObserver::GetBroker(), scene_, undoStack_, measureTools_, e)); |
644 | 329 case GuiTool_AngleMeasure: |
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330 return FlexiblePointerTrackerPtr(new CreateAngleMeasureTracker( |
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331 IObserver::GetBroker(), scene_, undoStack_, measureTools_, e)); |
644 | 332 return NULL; |
333 case GuiTool_CircleMeasure: | |
334 LOG(ERROR) << "Not implemented yet!"; | |
335 return NULL; | |
336 case GuiTool_EllipseMeasure: | |
337 LOG(ERROR) << "Not implemented yet!"; | |
338 return NULL; | |
339 default: | |
340 throw OrthancException(ErrorCode_InternalError, "Wrong tool!"); | |
341 } | |
342 } | |
343 } | |
344 default: | |
345 return NULL; | |
346 } | |
347 } | |
348 | |
349 | |
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350 TrackerSampleApp::TrackerSampleApp(MessageBroker& broker) : IObserver(broker) |
661 | 351 , scene_(broker) |
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352 , currentTool_(GuiTool_Rotate) |
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353 { |
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354 scene_.RegisterObserverCallback( |
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355 new Callable<TrackerSampleApp, Scene2D::SceneTransformChanged> |
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356 (*this, &TrackerSampleApp::OnSceneTransformChanged)); |
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357 |
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358 TEXTURE_2x2_1_ZINDEX = 1; |
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359 TEXTURE_1x1_ZINDEX = 2; |
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360 TEXTURE_2x2_2_ZINDEX = 3; |
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361 LINESET_1_ZINDEX = 4; |
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362 LINESET_2_ZINDEX = 5; |
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363 FLOATING_INFOTEXT_LAYER_ZINDEX = 6; |
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364 FIXED_INFOTEXT_LAYER_ZINDEX = 7; |
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365 |
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366 |
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367 } |
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368 |
644 | 369 void TrackerSampleApp::PrepareScene() |
370 { | |
371 // Texture of 2x2 size | |
372 { | |
373 Orthanc::Image i(Orthanc::PixelFormat_RGB24, 2, 2, false); | |
374 | |
375 uint8_t* p = reinterpret_cast<uint8_t*>(i.GetRow(0)); | |
376 p[0] = 255; | |
377 p[1] = 0; | |
378 p[2] = 0; | |
379 | |
380 p[3] = 0; | |
381 p[4] = 255; | |
382 p[5] = 0; | |
383 | |
384 p = reinterpret_cast<uint8_t*>(i.GetRow(1)); | |
385 p[0] = 0; | |
386 p[1] = 0; | |
387 p[2] = 255; | |
388 | |
389 p[3] = 255; | |
390 p[4] = 0; | |
391 p[5] = 0; | |
392 | |
393 scene_.SetLayer(TEXTURE_2x2_1_ZINDEX, new ColorTextureSceneLayer(i)); | |
394 | |
395 std::auto_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i)); | |
396 l->SetOrigin(-3, 2); | |
397 l->SetPixelSpacing(1.5, 1); | |
398 l->SetAngle(20.0 / 180.0 * M_PI); | |
399 scene_.SetLayer(TEXTURE_2x2_2_ZINDEX, l.release()); | |
400 } | |
401 | |
402 // Texture of 1x1 size | |
403 { | |
404 Orthanc::Image i(Orthanc::PixelFormat_RGB24, 1, 1, false); | |
405 | |
406 uint8_t* p = reinterpret_cast<uint8_t*>(i.GetRow(0)); | |
407 p[0] = 255; | |
408 p[1] = 0; | |
409 p[2] = 0; | |
410 | |
411 std::auto_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i)); | |
412 l->SetOrigin(-2, 1); | |
413 l->SetAngle(20.0 / 180.0 * M_PI); | |
414 scene_.SetLayer(TEXTURE_1x1_ZINDEX, l.release()); | |
415 } | |
416 | |
417 // Some lines | |
418 { | |
419 std::auto_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer); | |
420 | |
421 layer->SetThickness(1); | |
422 | |
423 PolylineSceneLayer::Chain chain; | |
424 chain.push_back(ScenePoint2D(0 - 0.5, 0 - 0.5)); | |
425 chain.push_back(ScenePoint2D(0 - 0.5, 2 - 0.5)); | |
426 chain.push_back(ScenePoint2D(2 - 0.5, 2 - 0.5)); | |
427 chain.push_back(ScenePoint2D(2 - 0.5, 0 - 0.5)); | |
428 layer->AddChain(chain, true); | |
429 | |
430 chain.clear(); | |
431 chain.push_back(ScenePoint2D(-5, -5)); | |
432 chain.push_back(ScenePoint2D(5, -5)); | |
433 chain.push_back(ScenePoint2D(5, 5)); | |
434 chain.push_back(ScenePoint2D(-5, 5)); | |
435 layer->AddChain(chain, true); | |
436 | |
437 double dy = 1.01; | |
438 chain.clear(); | |
439 chain.push_back(ScenePoint2D(-4, -4)); | |
440 chain.push_back(ScenePoint2D(4, -4 + dy)); | |
441 chain.push_back(ScenePoint2D(-4, -4 + 2.0 * dy)); | |
442 chain.push_back(ScenePoint2D(4, 2)); | |
443 layer->AddChain(chain, false); | |
444 | |
445 layer->SetColor(0, 255, 255); | |
446 scene_.SetLayer(LINESET_1_ZINDEX, layer.release()); | |
447 } | |
448 | |
449 // Some text | |
450 { | |
451 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer); | |
452 layer->SetText("Hello"); | |
453 scene_.SetLayer(LINESET_2_ZINDEX, layer.release()); | |
454 } | |
455 } | |
456 | |
457 | |
458 void TrackerSampleApp::DisableTracker() | |
459 { | |
460 if (activeTracker_) | |
461 { | |
462 activeTracker_->Cancel(); | |
463 activeTracker_ = NULL; | |
464 } | |
465 } | |
466 | |
467 void TrackerSampleApp::TakeScreenshot(const std::string& target, | |
468 unsigned int canvasWidth, | |
469 unsigned int canvasHeight) | |
470 { | |
471 CairoCompositor compositor(scene_, canvasWidth, canvasHeight); | |
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472 compositor.SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, FONT_SIZE_0, Orthanc::Encoding_Latin1); |
644 | 473 compositor.Refresh(); |
474 | |
475 Orthanc::ImageAccessor canvas; | |
476 compositor.GetCanvas().GetReadOnlyAccessor(canvas); | |
477 | |
478 Orthanc::Image png(Orthanc::PixelFormat_RGB24, canvas.GetWidth(), canvas.GetHeight(), false); | |
479 Orthanc::ImageProcessing::Convert(png, canvas); | |
480 | |
481 Orthanc::PngWriter writer; | |
482 writer.WriteToFile(target, png); | |
483 } | |
484 | |
485 | |
486 FlexiblePointerTrackerPtr TrackerSampleApp::TrackerHitTest(const PointerEvent & e) | |
487 { | |
488 // std::vector<MeasureToolPtr> measureTools_; | |
489 return nullptr; | |
490 } | |
491 | |
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492 static void GLAPIENTRY |
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493 OpenGLMessageCallback(GLenum source, |
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494 GLenum type, |
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495 GLuint id, |
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496 GLenum severity, |
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497 GLsizei length, |
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498 const GLchar* message, |
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499 const void* userParam) |
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500 { |
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501 if (severity != GL_DEBUG_SEVERITY_NOTIFICATION) |
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502 { |
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503 fprintf(stderr, "GL CALLBACK: %s type = 0x%x, severity = 0x%x, message = %s\n", |
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504 (type == GL_DEBUG_TYPE_ERROR ? "** GL ERROR **" : ""), |
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505 type, severity, message); |
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506 } |
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507 } |
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508 |
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509 static bool g_stopApplication = false; |
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510 |
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511 void TrackerSampleApp::Run() |
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512 { |
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513 // False means we do NOT let Windows treat this as a legacy application |
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514 // that needs to be scaled |
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515 SdlOpenGLWindow window("Hello", 1024, 1024, false); |
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516 |
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517 GetScene().FitContent(window.GetCanvasWidth(), window.GetCanvasHeight()); |
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518 |
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519 glEnable(GL_DEBUG_OUTPUT); |
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520 glDebugMessageCallback(OpenGLMessageCallback, 0); |
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521 |
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522 compositor_.reset(new OpenGLCompositor(window, GetScene())); |
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523 |
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524 compositor_->SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, |
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525 FONT_SIZE_0, Orthanc::Encoding_Latin1); |
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526 compositor_->SetFont(1, Orthanc::EmbeddedResources::UBUNTU_FONT, |
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527 FONT_SIZE_1, Orthanc::Encoding_Latin1); |
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528 |
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529 while (!g_stopApplication) |
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530 { |
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531 compositor_->Refresh(); |
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532 |
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533 SDL_Event event; |
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534 while (!g_stopApplication && SDL_PollEvent(&event)) |
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535 { |
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536 if (event.type == SDL_QUIT) |
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537 { |
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538 g_stopApplication = true; |
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539 break; |
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540 } |
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541 else if (event.type == SDL_WINDOWEVENT && |
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542 event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED) |
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543 { |
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544 DisableTracker(); // was: tracker.reset(NULL); |
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545 compositor_->UpdateSize(); |
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546 } |
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547 else if (event.type == SDL_KEYDOWN && |
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548 event.key.repeat == 0 /* Ignore key bounce */) |
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549 { |
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550 switch (event.key.keysym.sym) |
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551 { |
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552 case SDLK_f: |
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553 window.GetWindow().ToggleMaximize(); |
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554 break; |
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555 |
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556 case SDLK_q: |
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557 g_stopApplication = true; |
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558 break; |
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559 default: |
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560 break; |
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561 } |
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562 } |
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563 HandleApplicationEvent(event); |
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564 } |
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565 SDL_Delay(1); |
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566 } |
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567 compositor_.reset(NULL); |
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568 } |
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569 |
660
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570 void TrackerSampleApp::SetInfoDisplayMessage( |
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571 std::string key, std::string value) |
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572 { |
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573 if (value == "") |
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574 infoTextMap_.erase(key); |
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575 else |
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576 infoTextMap_[key] = value; |
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577 DisplayInfoText(); |
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578 } |
644 | 579 |
580 } |