Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/CreateAngleMeasureTracker.cpp @ 1203:f3bb9a6dd949 broker

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locking abstraction in IViewport
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 29 Nov 2019 21:22:21 +0100
parents e146743f6cdc
children 86a8266b8888
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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 #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 boost::weak_ptr<ViewportController> controllerW,
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30 const PointerEvent& e)
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31 : CreateMeasureTracker(controllerW)
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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 {
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37 boost::shared_ptr<ViewportController> controller = controllerW.lock();
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38 if (controller)
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39 {
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40 std::auto_ptr<IViewport::ILock> lock(controller->GetViewport().Lock());
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41 point = e.GetMainPosition().Apply(lock->GetScene().GetCanvasToSceneTransform());
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42 }
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43 }
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44
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45 command_.reset(new CreateAngleMeasureCommand(controllerW, point));
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46 }
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47
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48 CreateAngleMeasureTracker::~CreateAngleMeasureTracker()
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49 {
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50 }
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51
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52 void CreateAngleMeasureTracker::PointerMove(const PointerEvent& event)
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53 {
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54 if (!alive_)
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55 {
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56 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
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57 "Internal error: wrong state in CreateAngleMeasureTracker::"
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58 "PointerMove: active_ == false");
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59 }
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60
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61 boost::shared_ptr<ViewportController> controller = controllerW_.lock();
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62 if (controller)
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63 {
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64 std::auto_ptr<IViewport::ILock> lock(controller->GetViewport().Lock());
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65 ScenePoint2D scenePos = event.GetMainPosition().Apply(
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66 lock->GetScene().GetCanvasToSceneTransform());
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67
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68 switch (state_)
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69 {
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70 case CreatingSide1:
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71 GetCommand()->SetCenter(scenePos);
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72 break;
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73 case CreatingSide2:
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74 GetCommand()->SetSide2End(scenePos);
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75 break;
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76 default:
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77 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
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78 "Wrong state in CreateAngleMeasureTracker::"
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79 "PointerMove: state_ invalid");
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80 }
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81 //LOG(TRACE) << "scenePos.GetX() = " << scenePos.GetX() << " " <<
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82 // "scenePos.GetY() = " << scenePos.GetY();
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83 }
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84 }
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85
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86 void CreateAngleMeasureTracker::PointerUp(const PointerEvent& e)
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87 {
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88 // TODO: the current app does not prevent multiple PointerDown AND
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89 // PointerUp to be sent to the tracker.
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90 // Unless we augment the PointerEvent structure with the button index,
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91 // we cannot really tell if this pointer up event matches the initial
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92 // pointer down event. Let's make it simple for now.
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93
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94 switch (state_)
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95 {
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96 case CreatingSide1:
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97 state_ = CreatingSide2;
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98 break;
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99 case CreatingSide2:
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100 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
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101 "Wrong state in CreateAngleMeasureTracker::"
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102 "PointerUp: state_ == CreatingSide2 ; this should not happen");
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103 break;
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104 default:
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105 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
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106 "Wrong state in CreateAngleMeasureTracker::"
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107 "PointerMove: state_ invalid");
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108 }
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109 }
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110
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111 void CreateAngleMeasureTracker::PointerDown(const PointerEvent& e)
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112 {
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113 switch (state_)
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114 {
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115 case CreatingSide1:
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116 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
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117 "Wrong state in CreateAngleMeasureTracker::"
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118 "PointerDown: state_ == CreatingSide1 ; this should not happen");
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119 break;
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120 case CreatingSide2:
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121 // we are done
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122 alive_ = false;
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123 break;
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124 default:
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125 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
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126 "Wrong state in CreateAngleMeasureTracker::"
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127 "PointerMove: state_ invalid");
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128 }
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129 }
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130
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131 boost::shared_ptr<CreateAngleMeasureCommand> CreateAngleMeasureTracker::GetCommand()
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132 {
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133 return boost::dynamic_pointer_cast<CreateAngleMeasureCommand>(command_);
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134 }
8b6adfb62a2f Code is broken -- stashing ongoing work in a branch
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
135
8b6adfb62a2f Code is broken -- stashing ongoing work in a branch
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
136 }