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annotate Samples/Common/AngleMeasureTool.h @ 654:462a5074f914

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Turned the scene into an observable to be able to dynamically react to scene to canvas transform changes --> now the handles and angle measure adornments are immune to zoom changes
author Benjamin Golinvaux <bgo@osimis.io>
date Tue, 14 May 2019 13:51:00 +0200
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21 #pragma once
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22
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23 #include "MeasureTools.h"
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24
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25 #include <Framework/Scene2D/Scene2D.h>
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26 #include <Framework/Scene2D/ScenePoint2D.h>
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27 #include <Framework/Scene2D/PolylineSceneLayer.h>
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28 #include <Framework/Scene2D/TextSceneLayer.h>
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29
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30 #include <boost/shared_ptr.hpp>
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31 #include <boost/weak_ptr.hpp>
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32
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33 #include <vector>
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34 #include <cmath>
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35
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36 namespace OrthancStone
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37 {
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38 class AngleMeasureTool : public MeasureTool
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39 {
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40 public:
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41 AngleMeasureTool(MessageBroker& broker, Scene2D& scene)
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42 : MeasureTool(broker, scene)
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43 , layersCreated(false)
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44 , polylineZIndex_(-1)
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45 , textZIndex_(-1)
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46 {
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47
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48 }
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49
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50 ~AngleMeasureTool();
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51
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52 void SetSide1End(ScenePoint2D start);
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53 void SetCenter(ScenePoint2D start);
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54 void SetSide2End(ScenePoint2D start);
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55
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56 private:
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57 PolylineSceneLayer* GetPolylineLayer();
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58 TextSceneLayer* GetTextLayer();
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59 virtual void RefreshScene() ORTHANC_OVERRIDE;
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60 void RemoveFromScene();
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61
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62 private:
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63 ScenePoint2D side1End_;
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64 ScenePoint2D side2End_;
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65 ScenePoint2D center_;
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66 bool layersCreated;
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67 int polylineZIndex_;
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68 int textZIndex_;
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69 };
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70
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71 typedef boost::shared_ptr<AngleMeasureTool> AngleMeasureToolPtr;
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72 }
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74