Mercurial > hg > orthanc-stone

annotate Samples/Common/MeasureTools.cpp @ 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
parents 1e9ed656318e
children
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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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21 #include "MeasureTools.h"
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23 #include <Core/Logging.h>
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25 #include <boost/math/constants/constants.hpp>
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26
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27 namespace OrthancStone
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28 {
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29
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30 MeasureTool::~MeasureTool()
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31 {
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32
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33 }
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34
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35 void MeasureTool::Enable()
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36 {
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37 enabled_ = true;
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38 RefreshScene();
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39 }
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40
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41 void MeasureTool::Disable()
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42 {
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43 enabled_ = false;
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44 RefreshScene();
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45 }
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47 bool MeasureTool::IsEnabled() const
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48 {
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49 return enabled_;
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50 }
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51
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52 OrthancStone::Scene2D& MeasureTool::GetScene()
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53 {
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54 return scene_;
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55 }
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56
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57 MeasureTool::MeasureTool(MessageBroker& broker, Scene2D& scene)
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58 : IObserver(broker)
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59 , scene_(scene)
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60 , enabled_(true)
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61 {
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62 scene_.RegisterObserverCallback(
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63 new Callable<MeasureTool, Scene2D::SceneTransformChanged>
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64 (*this, &MeasureTool::OnSceneTransformChanged));
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65 }
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66
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67 void MeasureTool::OnSceneTransformChanged(
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68 const Scene2D::SceneTransformChanged& message)
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69 {
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70 RefreshScene();
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71 }
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74 }
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75