Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/CreateAngleMeasureTracker.cpp @ 1305:a5326ce4f24b broker

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Trackers and measuring tools now use the viewport instead of ViewportController, so that proper locks can be used
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 04 Mar 2020 09:45:38 +0100
parents 7ec8fea061b9
children ab81ee8fce1f
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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 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 #include "CreateAngleMeasureTracker.h"
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22 #include "CreateAngleMeasureCommand.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 namespace OrthancStone
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27 {
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28 CreateAngleMeasureTracker::CreateAngleMeasureTracker(
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29 IViewport& viewport,
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30 const PointerEvent& e)
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31 : CreateMeasureTracker(viewport)
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32 , state_(CreatingSide1)
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33 {
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34 ScenePoint2D point = e.GetMainPosition();
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35 {
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36 std::unique_ptr<IViewport::ILock> lock(viewport_.Lock());
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37 Scene2D& scene = lock->GetController().GetScene();
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38 point = e.GetMainPosition().Apply(scene.GetCanvasToSceneTransform());
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39 }
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40 command_.reset(new CreateAngleMeasureCommand(viewport, point));
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41 }
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42
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43 CreateAngleMeasureTracker::~CreateAngleMeasureTracker()
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44 {
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45 }
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46
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47 void CreateAngleMeasureTracker::PointerMove(const PointerEvent& event)
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48 {
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49 if (!alive_)
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50 {
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51 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
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52 "Internal error: wrong state in CreateAngleMeasureTracker::"
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53 "PointerMove: active_ == false");
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54 }
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55
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56
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57 {
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58 std::unique_ptr<IViewport::ILock> lock(viewport_.Lock());
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59 ViewportController& controller = lock->GetController();
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60
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61 ScenePoint2D scenePos = event.GetMainPosition().Apply(
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62 controller.GetScene().GetCanvasToSceneTransform());
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63
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64 switch (state_)
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65 {
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66 case CreatingSide1:
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67 GetCommand()->SetCenter(scenePos);
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68 break;
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69 case CreatingSide2:
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70 GetCommand()->SetSide2End(scenePos);
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71 break;
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72 default:
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73 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
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74 "Wrong state in CreateAngleMeasureTracker::"
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75 "PointerMove: state_ invalid");
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76 }
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77 //LOG(TRACE) << "scenePos.GetX() = " << scenePos.GetX() << " " <<
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78 // "scenePos.GetY() = " << scenePos.GetY();
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79 lock->Invalidate();
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80 }
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81 }
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82
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83 void CreateAngleMeasureTracker::PointerUp(const PointerEvent& e)
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84 {
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85 // TODO: the current app does not prevent multiple PointerDown AND
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86 // PointerUp to be sent to the tracker.
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87 // Unless we augment the PointerEvent structure with the button index,
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88 // we cannot really tell if this pointer up event matches the initial
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89 // pointer down event. Let's make it simple for now.
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90
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91 switch (state_)
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92 {
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93 case CreatingSide1:
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94 state_ = CreatingSide2;
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95 break;
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96 case CreatingSide2:
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97 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
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98 "Wrong state in CreateAngleMeasureTracker::"
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99 "PointerUp: state_ == CreatingSide2 ; this should not happen");
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100 break;
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101 default:
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102 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
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103 "Wrong state in CreateAngleMeasureTracker::"
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104 "PointerMove: state_ invalid");
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105 }
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106 }
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107
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108 void CreateAngleMeasureTracker::PointerDown(const PointerEvent& e)
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109 {
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110 switch (state_)
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111 {
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112 case CreatingSide1:
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113 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
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114 "Wrong state in CreateAngleMeasureTracker::"
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115 "PointerDown: state_ == CreatingSide1 ; this should not happen");
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116 break;
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117 case CreatingSide2:
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118 // we are done
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119 alive_ = false;
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120 break;
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121 default:
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122 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
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123 "Wrong state in CreateAngleMeasureTracker::"
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124 "PointerMove: state_ invalid");
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125 }
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126 }
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127
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128 boost::shared_ptr<CreateAngleMeasureCommand> CreateAngleMeasureTracker::GetCommand()
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129 {
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130 return boost::dynamic_pointer_cast<CreateAngleMeasureCommand>(command_);
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131 }
8b6adfb62a2f Code is broken -- stashing ongoing work in a branch
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
132
8b6adfb62a2f Code is broken -- stashing ongoing work in a branch
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
133 }