Mercurial > hg > orthanc-stone
comparison OrthancStone/Sources/Scene2DViewport/LineMeasureTool.cpp @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Scene2DViewport/LineMeasureTool.cpp@30deba7bc8e2 |
children | 85e117739eca |
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1511:9dfeee74c1e6 | 1512:244ad1e4e76a |
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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) 2017-2020 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 "LineMeasureTool.h" | |
22 #include "MeasureToolsToolbox.h" | |
23 #include "EditLineMeasureTracker.h" | |
24 #include "LayerHolder.h" | |
25 #include "../StoneException.h" | |
26 | |
27 #include <Logging.h> | |
28 | |
29 #include <boost/make_shared.hpp> | |
30 | |
31 namespace OrthancStone | |
32 { | |
33 | |
34 LineMeasureTool::LineMeasureTool( | |
35 boost::shared_ptr<IViewport> viewport) | |
36 : MeasureTool(viewport) | |
37 #if ORTHANC_STONE_ENABLE_OUTLINED_TEXT == 1 | |
38 , layerHolder_(boost::shared_ptr<LayerHolder>(new LayerHolder(viewport,1,5))) | |
39 #else | |
40 , layerHolder_(boost::shared_ptr<LayerHolder>(new LayerHolder(viewport,1,1))) | |
41 #endif | |
42 , lineHighlightArea_(LineHighlightArea_None) | |
43 { | |
44 | |
45 } | |
46 | |
47 boost::shared_ptr<LineMeasureTool> LineMeasureTool::Create(boost::shared_ptr<IViewport> viewport) | |
48 { | |
49 boost::shared_ptr<LineMeasureTool> obj(new LineMeasureTool(viewport)); | |
50 obj->MeasureTool::PostConstructor(); | |
51 obj->RefreshScene(); | |
52 return obj; | |
53 } | |
54 | |
55 LineMeasureTool::~LineMeasureTool() | |
56 { | |
57 // this measuring tool is a RABI for the corresponding visual layers | |
58 // stored in the 2D scene | |
59 Disable(); | |
60 RemoveFromScene(); | |
61 } | |
62 | |
63 void LineMeasureTool::RemoveFromScene() | |
64 { | |
65 if (layerHolder_->AreLayersCreated() && IsSceneAlive()) | |
66 { | |
67 layerHolder_->DeleteLayers(); | |
68 } | |
69 } | |
70 | |
71 void LineMeasureTool::SetStart(ScenePoint2D start) | |
72 { | |
73 start_ = start; | |
74 RefreshScene(); | |
75 } | |
76 | |
77 void LineMeasureTool::SetEnd(ScenePoint2D end) | |
78 { | |
79 end_ = end; | |
80 RefreshScene(); | |
81 } | |
82 | |
83 void LineMeasureTool::Set(ScenePoint2D start, ScenePoint2D end) | |
84 { | |
85 start_ = start; | |
86 end_ = end; | |
87 RefreshScene(); | |
88 } | |
89 | |
90 void LineMeasureTool::SetLineHighlightArea(LineHighlightArea area) | |
91 { | |
92 if (lineHighlightArea_ != area) | |
93 { | |
94 lineHighlightArea_ = area; | |
95 RefreshScene(); | |
96 } | |
97 } | |
98 | |
99 std::string LineMeasureTool::GetDescription() | |
100 { | |
101 std::stringstream ss; | |
102 ss << "LineMeasureTool. Start = " << start_ << " End = " << end_; | |
103 return ss.str(); | |
104 } | |
105 | |
106 void LineMeasureTool::ResetHighlightState() | |
107 { | |
108 SetLineHighlightArea(LineHighlightArea_None); | |
109 } | |
110 | |
111 void LineMeasureTool::Highlight(ScenePoint2D p) | |
112 { | |
113 LineHighlightArea lineHighlightArea = LineHitTest(p); | |
114 SetLineHighlightArea(lineHighlightArea); | |
115 } | |
116 | |
117 LineMeasureTool::LineHighlightArea LineMeasureTool::LineHitTest(ScenePoint2D p) | |
118 { | |
119 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); | |
120 ViewportController& controller = lock->GetController(); | |
121 Scene2D& scene = controller.GetScene(); | |
122 | |
123 const double pixelToScene = scene.GetCanvasToSceneTransform().ComputeZoom(); | |
124 const double SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD = | |
125 pixelToScene * HIT_TEST_MAX_DISTANCE_CANVAS_COORD * | |
126 pixelToScene * HIT_TEST_MAX_DISTANCE_CANVAS_COORD; | |
127 | |
128 const double sqDistanceFromStart = | |
129 ScenePoint2D::SquaredDistancePtPt(p, start_); | |
130 | |
131 if (sqDistanceFromStart <= SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD) | |
132 return LineHighlightArea_Start; | |
133 | |
134 const double sqDistanceFromEnd = ScenePoint2D::SquaredDistancePtPt(p, end_); | |
135 | |
136 if (sqDistanceFromEnd <= SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD) | |
137 return LineHighlightArea_End; | |
138 | |
139 const double sqDistanceFromPtSegment = | |
140 ScenePoint2D::SquaredDistancePtSegment(start_, end_, p); | |
141 | |
142 if (sqDistanceFromPtSegment <= SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD) | |
143 return LineHighlightArea_Segment; | |
144 | |
145 return LineHighlightArea_None; | |
146 } | |
147 | |
148 bool LineMeasureTool::HitTest(ScenePoint2D p) | |
149 { | |
150 return LineHitTest(p) != LineHighlightArea_None; | |
151 } | |
152 | |
153 boost::shared_ptr<IFlexiblePointerTracker> LineMeasureTool::CreateEditionTracker(const PointerEvent& e) | |
154 { | |
155 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); | |
156 ViewportController& controller = lock->GetController(); | |
157 Scene2D& scene = controller.GetScene(); | |
158 | |
159 ScenePoint2D scenePos = e.GetMainPosition().Apply( | |
160 scene.GetCanvasToSceneTransform()); | |
161 | |
162 if (!HitTest(scenePos)) | |
163 return boost::shared_ptr<IFlexiblePointerTracker>(); | |
164 | |
165 boost::shared_ptr<EditLineMeasureTracker> editLineMeasureTracker( | |
166 new EditLineMeasureTracker(shared_from_this(), viewport_, e)); | |
167 return editLineMeasureTracker; | |
168 } | |
169 | |
170 boost::shared_ptr<MeasureToolMemento> LineMeasureTool::GetMemento() const | |
171 { | |
172 boost::shared_ptr<LineMeasureToolMemento> memento(new LineMeasureToolMemento()); | |
173 memento->start_ = start_; | |
174 memento->end_ = end_; | |
175 return memento; | |
176 } | |
177 | |
178 void LineMeasureTool::SetMemento( | |
179 boost::shared_ptr<MeasureToolMemento> mementoBase) | |
180 { | |
181 boost::shared_ptr<LineMeasureToolMemento> memento = | |
182 boost::dynamic_pointer_cast<LineMeasureToolMemento>(mementoBase); | |
183 | |
184 ORTHANC_ASSERT(memento.get() != NULL, "Internal error: wrong (or bad) memento"); | |
185 | |
186 start_ = memento->start_; | |
187 end_ = memento->end_; | |
188 RefreshScene(); | |
189 } | |
190 | |
191 void LineMeasureTool::RefreshScene() | |
192 { | |
193 if (IsSceneAlive()) | |
194 { | |
195 if (IsEnabled()) | |
196 { | |
197 | |
198 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); | |
199 ViewportController& controller = lock->GetController(); | |
200 Scene2D& scene = controller.GetScene(); | |
201 | |
202 layerHolder_->CreateLayersIfNeeded(); | |
203 { | |
204 // Fill the polyline layer with the measurement line | |
205 | |
206 PolylineSceneLayer* polylineLayer = layerHolder_->GetPolylineLayer(0); | |
207 if (polylineLayer) | |
208 { | |
209 polylineLayer->ClearAllChains(); | |
210 | |
211 const Color color(TOOL_LINES_COLOR_RED, | |
212 TOOL_LINES_COLOR_GREEN, | |
213 TOOL_LINES_COLOR_BLUE); | |
214 | |
215 const Color highlightColor(TOOL_LINES_HL_COLOR_RED, | |
216 TOOL_LINES_HL_COLOR_GREEN, | |
217 TOOL_LINES_HL_COLOR_BLUE); | |
218 | |
219 { | |
220 PolylineSceneLayer::Chain chain; | |
221 chain.push_back(start_); | |
222 chain.push_back(end_); | |
223 if(lineHighlightArea_ == LineHighlightArea_Segment) | |
224 polylineLayer->AddChain(chain, false, highlightColor); | |
225 else | |
226 polylineLayer->AddChain(chain, false, color); | |
227 } | |
228 | |
229 // handles | |
230 { | |
231 { | |
232 PolylineSceneLayer::Chain chain; | |
233 | |
234 //TODO: take DPI into account | |
235 AddSquare(chain, controller.GetScene(), start_, | |
236 controller.GetHandleSideLengthS()); | |
237 | |
238 if (lineHighlightArea_ == LineHighlightArea_Start) | |
239 polylineLayer->AddChain(chain, true, highlightColor); | |
240 else | |
241 polylineLayer->AddChain(chain, true, color); | |
242 } | |
243 | |
244 { | |
245 PolylineSceneLayer::Chain chain; | |
246 | |
247 //TODO: take DPI into account | |
248 AddSquare(chain, controller.GetScene(), end_, | |
249 controller.GetHandleSideLengthS()); | |
250 | |
251 if (lineHighlightArea_ == LineHighlightArea_End) | |
252 polylineLayer->AddChain(chain, true, highlightColor); | |
253 else | |
254 polylineLayer->AddChain(chain, true, color); | |
255 } | |
256 } | |
257 } | |
258 } | |
259 { | |
260 // Set the text layer propreties | |
261 double deltaX = end_.GetX() - start_.GetX(); | |
262 double deltaY = end_.GetY() - start_.GetY(); | |
263 double squareDist = deltaX * deltaX + deltaY * deltaY; | |
264 double dist = sqrt(squareDist); | |
265 char buf[64]; | |
266 sprintf(buf, "%0.02f mm", dist); | |
267 | |
268 // TODO: for now we simply position the text overlay at the middle | |
269 // of the measuring segment | |
270 double midX = 0.5 * (end_.GetX() + start_.GetX()); | |
271 double midY = 0.5 * (end_.GetY() + start_.GetY()); | |
272 | |
273 { | |
274 | |
275 #if ORTHANC_STONE_ENABLE_OUTLINED_TEXT == 1 | |
276 SetTextLayerOutlineProperties( | |
277 scene, layerHolder_, buf, ScenePoint2D(midX, midY), 0); | |
278 #else | |
279 SetTextLayerProperties( | |
280 scene, layerHolder_, buf, ScenePoint2D(midX, midY), 0); | |
281 #endif | |
282 lock->Invalidate(); | |
283 } | |
284 } | |
285 lock->Invalidate(); | |
286 } | |
287 else | |
288 { | |
289 RemoveFromScene(); | |
290 } | |
291 } | |
292 } | |
293 } |