Mercurial > hg > orthanc-stone

annotate Samples/Common/CreateAngleMeasureTracker.cpp @ 645:1e9ed656318e

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Merge + ongoing measure work
author Benjamin Golinvaux <bgo@osimis.io>
date Mon, 13 May 2019 15:12:56 +0200
parents f939f449482c
children 462a5074f914
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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 <Core/OrthancException.h>
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23
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24 using namespace Orthanc;
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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 Scene2D& scene,
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30 std::vector<TrackerCommandPtr>& undoStack,
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31 std::vector<MeasureToolPtr>& measureTools,
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32 const PointerEvent& e)
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33 : CreateMeasureTracker(scene, undoStack, measureTools)
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34 , state_(CreatingSide1)
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35 {
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36 command_.reset(
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37 new CreateAngleMeasureCommand(
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38 scene,
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39 measureTools,
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40 e.GetMainPosition().Apply(scene.GetCanvasToSceneTransform())));
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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 (!active_)
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50 {
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51 throw OrthancException(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 ScenePoint2D scenePos = event.GetMainPosition().Apply(
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57 scene_.GetCanvasToSceneTransform());
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58
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59 switch (state_)
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60 {
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61 case CreatingSide1:
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62 GetCommand()->SetCenter(scenePos);
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63 break;
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64 case CreatingSide2:
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65 GetCommand()->SetSide2End(scenePos);
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66 break;
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67 default:
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68 throw OrthancException(ErrorCode_InternalError,
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69 "Wrong state in CreateAngleMeasureTracker::"
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70 "PointerMove: state_ invalid");
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71 }
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72 //LOG(TRACE) << "scenePos.GetX() = " << scenePos.GetX() << " " <<
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73 // "scenePos.GetY() = " << scenePos.GetY();
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74 }
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75
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76 void CreateAngleMeasureTracker::PointerUp(const PointerEvent& e)
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77 {
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78 // TODO: the current app does not prevent multiple PointerDown AND
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79 // PointerUp to be sent to the tracker.
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80 // Unless we augment the PointerEvent structure with the button index,
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81 // we cannot really tell if this pointer up event matches the initial
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82 // pointer down event. Let's make it simple for now.
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83
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84 switch (state_)
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85 {
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86 case CreatingSide1:
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87 state_ = CreatingSide2;
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88 break;
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89 case CreatingSide2:
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90 throw OrthancException(ErrorCode_InternalError,
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91 "Wrong state in CreateAngleMeasureTracker::"
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92 "PointerUp: state_ == CreatingSide2 ; this should not happen");
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93 break;
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94 default:
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95 throw OrthancException(ErrorCode_InternalError,
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96 "Wrong state in CreateAngleMeasureTracker::"
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97 "PointerMove: state_ invalid");
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98 }
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99 }
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100
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101 void CreateAngleMeasureTracker::PointerDown(const PointerEvent& e)
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102 {
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103 switch (state_)
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104 {
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105 case CreatingSide1:
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106 throw OrthancException(ErrorCode_InternalError,
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107 "Wrong state in CreateAngleMeasureTracker::"
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108 "PointerDown: state_ == CreatingSide1 ; this should not happen");
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109 break;
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110 case CreatingSide2:
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111 // we are done
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112 active_ = false;
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113 break;
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114 default:
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115 throw OrthancException(ErrorCode_InternalError,
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116 "Wrong state in CreateAngleMeasureTracker::"
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117 "PointerMove: state_ invalid");
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118 }
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119 }
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120
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121 CreateAngleMeasureCommandPtr CreateAngleMeasureTracker::GetCommand()
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122 {
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123 return boost::dynamic_pointer_cast<CreateAngleMeasureCommand>(command_);
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124 }
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125
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126 }