Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/OneGesturePointerTracker.cpp @ 736:c0fcb2757b0a

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enforce relative includes
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 22 May 2019 08:38:52 +0200
parents 28b9e3a54200
children 8e31b174ab26
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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
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22 #include "OneGesturePointerTracker.h"
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23
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24 #include <Core/OrthancException.h>
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25
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26 #include "../StoneException.h"
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27
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28 using namespace Orthanc;
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30 namespace OrthancStone
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31 {
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32 OneGesturePointerTracker::OneGesturePointerTracker(
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33 ViewportControllerWPtr controllerW)
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34 : controllerW_(controllerW)
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35 , alive_(true)
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36 , currentTouchCount_(1)
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37 {
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38 }
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39
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40 void OneGesturePointerTracker::PointerUp(const PointerEvent& event)
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41 {
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42 // pointer up is only called for the LAST up event in case of a multi-touch
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43 // gesture
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44 ORTHANC_ASSERT(currentTouchCount_ > 0, "Wrong state in tracker");
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45 currentTouchCount_--;
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46 LOG(INFO) << "currentTouchCount_ becomes: " << currentTouchCount_;
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47 if (currentTouchCount_ == 0)
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48 {
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49 LOG(INFO) << "currentTouchCount_ == 0 --> alive_ = false";
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50 alive_ = false;
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51 }
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52 }
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54 void OneGesturePointerTracker::PointerDown(const PointerEvent& event)
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55 {
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56 // additional touches are not taken into account but we need to count
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57 // the number of active touches
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58 currentTouchCount_++;
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59 LOG(INFO) << "currentTouchCount_ becomes: " << currentTouchCount_;
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60 }
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61
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62 bool OneGesturePointerTracker::IsAlive() const
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63 {
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64 return alive_;
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65 }
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66
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67 ViewportControllerPtr OneGesturePointerTracker::GetController()
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68 {
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69 return controllerW_.lock();
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70 }
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71 }