Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Scene2DViewport/MeasureTrackers.cpp @ 1678:1393e3393a0b

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fix mpr sample
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 24 Nov 2020 07:40:19 +0100
parents 646e581e115b
children 7896aac14587
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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) 2017-2020 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 Lesser 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 * Lesser 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 Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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21
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22 #include "MeasureTrackers.h"
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23 #include <OrthancException.h>
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24
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25 namespace OrthancStone
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26 {
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27
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28 CreateMeasureTracker::CreateMeasureTracker(boost::weak_ptr<IViewport> viewport) :
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29 commitResult_(true),
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30 viewport_(viewport),
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31 alive_(true)
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32 {
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33 }
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34
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35 IViewport::ILock* CreateMeasureTracker::GetViewportLock()
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36 {
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37 boost::shared_ptr<IViewport> viewport = viewport_.lock();
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38 if (viewport)
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39 return viewport->Lock();
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40 else
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41 return NULL;
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42 }
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43
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44 void CreateMeasureTracker::Cancel()
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45 {
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46 commitResult_ = false;
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47 alive_ = false;
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48 }
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49
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50 bool CreateMeasureTracker::IsAlive() const
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51 {
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52 return alive_;
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53 }
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54
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55 CreateMeasureTracker::~CreateMeasureTracker()
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56 {
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57 // if the tracker completes successfully, we add the command
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58 // to the undo stack
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59 // otherwise, we simply undo it
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61 std::unique_ptr<IViewport::ILock> lock(GetViewportLock());
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62
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63 if (commitResult_)
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64 lock->GetController().PushCommand(command_);
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65 else
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66 command_->Undo();
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67
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68 lock->Invalidate();
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69 }
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70
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71 EditMeasureTracker::EditMeasureTracker(boost::weak_ptr<IViewport> viewport,
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72 const PointerEvent& e) :
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73 commitResult_(true),
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74 viewport_(viewport),
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75 alive_(true)
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76 {
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77 std::unique_ptr<IViewport::ILock> lock(GetViewportLock());
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78
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79 originalClickPosition_ = e.GetMainPosition().Apply(
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80 lock->GetController().GetScene().GetCanvasToSceneTransform());
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81 }
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82
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83 IViewport::ILock* EditMeasureTracker::GetViewportLock()
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84 {
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85 boost::shared_ptr<IViewport> viewport = viewport_.lock();
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86 if (viewport)
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87 return viewport->Lock();
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88 else
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89 return NULL;
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90 }
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91
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92 void EditMeasureTracker::Cancel()
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93 {
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94 commitResult_ = false;
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95 alive_ = false;
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96 }
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97
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98 bool EditMeasureTracker::IsAlive() const
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99 {
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100 return alive_;
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101 }
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102
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103 EditMeasureTracker::~EditMeasureTracker()
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104 {
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105 // if the tracker completes successfully, we add the command
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106 // to the undo stack
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107 // otherwise, we simply undo it
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108
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109 std::unique_ptr<IViewport::ILock> lock(GetViewportLock());
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110
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111 if (commitResult_)
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112 lock->GetController().PushCommand(command_);
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113 else
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114 command_->Undo();
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115
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116 lock->Invalidate();
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117 }
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118 }
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