Mercurial > hg > orthanc-stone
comparison Samples/Shared/SharedBasicScene.cpp @ 885:56e4e9281076 am-dev
sharing code between Qt/SDL BasiceScene sample
author | Alain Mazy <alain@mazy.be> |
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date | Tue, 09 Jul 2019 16:44:25 +0200 |
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children | 6e79e8c9021c 6073c980323a |
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884:aad5ccf1be10 | 885:56e4e9281076 |
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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 "SharedBasicScene.h" | |
22 | |
23 // From Stone | |
24 #include "../../Framework/Scene2D/Scene2D.h" | |
25 #include "../../Framework/Scene2D/ColorTextureSceneLayer.h" | |
26 #include "../../Framework/Scene2D/PolylineSceneLayer.h" | |
27 #include "../../Framework/Scene2D/TextSceneLayer.h" | |
28 | |
29 #include "../../Framework/Scene2D/PanSceneTracker.h" | |
30 #include "../../Framework/Scene2D/ZoomSceneTracker.h" | |
31 #include "../../Framework/Scene2D/RotateSceneTracker.h" | |
32 | |
33 #include "../../Framework/Scene2D/CairoCompositor.h" | |
34 | |
35 // From Orthanc framework | |
36 #include <Core/Images/Image.h> | |
37 #include <Core/Images/ImageProcessing.h> | |
38 #include <Core/Images/PngWriter.h> | |
39 | |
40 using namespace OrthancStone; | |
41 | |
42 const unsigned int BASIC_SCENE_FONT_SIZE = 32; | |
43 const int BASIC_SCENE_LAYER_POSITION = 150; | |
44 | |
45 void PrepareScene(boost::shared_ptr<OrthancStone::ViewportController> controller) | |
46 { | |
47 Scene2D& scene(*controller->GetScene()); | |
48 // Texture of 2x2 size | |
49 { | |
50 Orthanc::Image i(Orthanc::PixelFormat_RGB24, 2, 2, false); | |
51 | |
52 uint8_t *p = reinterpret_cast<uint8_t*>(i.GetRow(0)); | |
53 p[0] = 255; | |
54 p[1] = 0; | |
55 p[2] = 0; | |
56 | |
57 p[3] = 0; | |
58 p[4] = 255; | |
59 p[5] = 0; | |
60 | |
61 p = reinterpret_cast<uint8_t*>(i.GetRow(1)); | |
62 p[0] = 0; | |
63 p[1] = 0; | |
64 p[2] = 255; | |
65 | |
66 p[3] = 255; | |
67 p[4] = 0; | |
68 p[5] = 0; | |
69 | |
70 scene.SetLayer(12, new ColorTextureSceneLayer(i)); | |
71 | |
72 std::auto_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i)); | |
73 l->SetOrigin(-3, 2); | |
74 l->SetPixelSpacing(1.5, 1); | |
75 l->SetAngle(20.0 / 180.0 * 3.14); | |
76 scene.SetLayer(14, l.release()); | |
77 } | |
78 | |
79 // Texture of 1x1 size | |
80 { | |
81 Orthanc::Image i(Orthanc::PixelFormat_RGB24, 1, 1, false); | |
82 | |
83 uint8_t *p = reinterpret_cast<uint8_t*>(i.GetRow(0)); | |
84 p[0] = 255; | |
85 p[1] = 0; | |
86 p[2] = 0; | |
87 | |
88 std::auto_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i)); | |
89 l->SetOrigin(-2, 1); | |
90 l->SetAngle(20.0 / 180.0 * 3.14); | |
91 scene.SetLayer(13, l.release()); | |
92 } | |
93 | |
94 // Some lines | |
95 { | |
96 std::auto_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer); | |
97 | |
98 layer->SetThickness(1); | |
99 | |
100 PolylineSceneLayer::Chain chain; | |
101 chain.push_back(ScenePoint2D(0 - 0.5, 0 - 0.5)); | |
102 chain.push_back(ScenePoint2D(0 - 0.5, 2 - 0.5)); | |
103 chain.push_back(ScenePoint2D(2 - 0.5, 2 - 0.5)); | |
104 chain.push_back(ScenePoint2D(2 - 0.5, 0 - 0.5)); | |
105 layer->AddChain(chain, true, 255, 0, 0); | |
106 | |
107 chain.clear(); | |
108 chain.push_back(ScenePoint2D(-5, -5)); | |
109 chain.push_back(ScenePoint2D(5, -5)); | |
110 chain.push_back(ScenePoint2D(5, 5)); | |
111 chain.push_back(ScenePoint2D(-5, 5)); | |
112 layer->AddChain(chain, true, 0, 255, 0); | |
113 | |
114 double dy = 1.01; | |
115 chain.clear(); | |
116 chain.push_back(ScenePoint2D(-4, -4)); | |
117 chain.push_back(ScenePoint2D(4, -4 + dy)); | |
118 chain.push_back(ScenePoint2D(-4, -4 + 2.0 * dy)); | |
119 chain.push_back(ScenePoint2D(4, 2)); | |
120 layer->AddChain(chain, false, 0, 0, 255); | |
121 | |
122 // layer->SetColor(0,255, 255); | |
123 scene.SetLayer(50, layer.release()); | |
124 } | |
125 | |
126 // Some text | |
127 { | |
128 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer); | |
129 layer->SetText("Hello"); | |
130 scene.SetLayer(100, layer.release()); | |
131 } | |
132 } | |
133 | |
134 void TakeScreenshot(const std::string& target, | |
135 const OrthancStone::Scene2D& scene, | |
136 unsigned int canvasWidth, | |
137 unsigned int canvasHeight) | |
138 { | |
139 using namespace OrthancStone; | |
140 // Take a screenshot, then save it as PNG file | |
141 CairoCompositor compositor(scene, canvasWidth, canvasHeight); | |
142 compositor.SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, BASIC_SCENE_FONT_SIZE, Orthanc::Encoding_Latin1); | |
143 compositor.Refresh(); | |
144 | |
145 Orthanc::ImageAccessor canvas; | |
146 compositor.GetCanvas().GetReadOnlyAccessor(canvas); | |
147 | |
148 Orthanc::Image png(Orthanc::PixelFormat_RGB24, canvas.GetWidth(), canvas.GetHeight(), false); | |
149 Orthanc::ImageProcessing::Convert(png, canvas); | |
150 | |
151 Orthanc::PngWriter writer; | |
152 writer.WriteToFile(target, png); | |
153 } | |
154 | |
155 void ShowCursorInfo(Scene2D& scene, const PointerEvent& pointerEvent) | |
156 { | |
157 ScenePoint2D p = pointerEvent.GetMainPosition().Apply(scene.GetCanvasToSceneTransform()); | |
158 | |
159 char buf[64]; | |
160 sprintf(buf, "(%0.02f,%0.02f)", p.GetX(), p.GetY()); | |
161 | |
162 if (scene.HasLayer(BASIC_SCENE_LAYER_POSITION)) | |
163 { | |
164 TextSceneLayer& layer = | |
165 dynamic_cast<TextSceneLayer&>(scene.GetLayer(BASIC_SCENE_LAYER_POSITION)); | |
166 layer.SetText(buf); | |
167 layer.SetPosition(p.GetX(), p.GetY()); | |
168 } | |
169 else | |
170 { | |
171 std::auto_ptr<TextSceneLayer> | |
172 layer(new TextSceneLayer); | |
173 layer->SetColor(0, 255, 0); | |
174 layer->SetText(buf); | |
175 layer->SetBorder(20); | |
176 layer->SetAnchor(BitmapAnchor_BottomCenter); | |
177 layer->SetPosition(p.GetX(), p.GetY()); | |
178 scene.SetLayer(BASIC_SCENE_LAYER_POSITION, layer.release()); | |
179 } | |
180 } | |
181 | |
182 | |
183 | |
184 bool BasicScene2DInteractor::OnMouseEvent(const GuiAdapterMouseEvent& event, const PointerEvent& pointerEvent) | |
185 { | |
186 if (currentTracker_.get() != NULL) | |
187 { | |
188 switch (event.type) | |
189 { | |
190 case GUIADAPTER_EVENT_MOUSEUP: | |
191 { | |
192 currentTracker_->PointerUp(pointerEvent); | |
193 if (!currentTracker_->IsAlive()) | |
194 { | |
195 currentTracker_.reset(); | |
196 } | |
197 };break; | |
198 case GUIADAPTER_EVENT_MOUSEMOVE: | |
199 { | |
200 currentTracker_->PointerMove(pointerEvent); | |
201 };break; | |
202 } | |
203 return true; | |
204 } | |
205 else if (event.type == GUIADAPTER_EVENT_MOUSEDOWN) | |
206 { | |
207 if (event.button == GUIADAPTER_MOUSEBUTTON_LEFT) | |
208 { | |
209 currentTracker_.reset(new RotateSceneTracker(viewportController_, pointerEvent)); | |
210 } | |
211 else if (event.button == GUIADAPTER_MOUSEBUTTON_MIDDLE) | |
212 { | |
213 currentTracker_.reset(new PanSceneTracker(viewportController_, pointerEvent)); | |
214 } | |
215 else if (event.button == GUIADAPTER_MOUSEBUTTON_RIGHT && compositor_.get() != NULL) | |
216 { | |
217 currentTracker_.reset(new ZoomSceneTracker(viewportController_, pointerEvent, compositor_->GetHeight())); | |
218 } | |
219 } | |
220 else if (event.type == GUIADAPTER_EVENT_MOUSEMOVE) | |
221 { | |
222 if (showCursorInfo_) | |
223 { | |
224 Scene2D& scene(*(viewportController_->GetScene())); | |
225 ShowCursorInfo(scene, pointerEvent); | |
226 } | |
227 return true; | |
228 } | |
229 return false; | |
230 } | |
231 | |
232 bool BasicScene2DInteractor::OnKeyboardEvent(const GuiAdapterKeyboardEvent& guiEvent) | |
233 { | |
234 if (guiEvent.type == GUIADAPTER_EVENT_KEYDOWN) | |
235 { | |
236 switch (guiEvent.sym[0]) | |
237 { | |
238 case 's': | |
239 { | |
240 viewportController_->FitContent(compositor_->GetWidth(), compositor_->GetHeight()); | |
241 return true; | |
242 }; | |
243 case 'c': | |
244 { | |
245 Scene2D& scene(*(viewportController_->GetScene())); | |
246 TakeScreenshot("screenshot.png", scene, compositor_->GetWidth(), compositor_->GetHeight()); | |
247 return true; | |
248 } | |
249 case 'd': | |
250 { | |
251 showCursorInfo_ = !showCursorInfo_; | |
252 if (!showCursorInfo_) | |
253 { | |
254 Scene2D& scene(*(viewportController_->GetScene())); | |
255 scene.DeleteLayer(BASIC_SCENE_LAYER_POSITION); | |
256 } | |
257 | |
258 return true; | |
259 } | |
260 } | |
261 } | |
262 return false; | |
263 } | |
264 | |
265 bool BasicScene2DInteractor::OnWheelEvent(const GuiAdapterWheelEvent& guiEvent) | |
266 { | |
267 return false; | |
268 } |