Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/ViewportController.cpp @ 722:28b9e3a54200

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Undo mechanism implemented (not connected to UI yet). Undo stack and measuring tools are now handled by the ViewportController. Multi-touch does not crash trackers anymore.
author Benjamin Golinvaux <bgo@osimis.io>
date Tue, 21 May 2019 10:27:54 +0200
parents af0aa0c149fa
children c0fcb2757b0a 712ff6ff3c19
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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 "ViewportController.h"
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22 #include "MeasureCommands.h"
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23
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24 #include <Framework/StoneException.h>
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25
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26 #include <boost/make_shared.hpp>
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27
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28 using namespace Orthanc;
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29
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30 namespace OrthancStone
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31 {
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32 ViewportController::ViewportController(MessageBroker& broker)
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33 : IObservable(broker)
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34 , numAppliedCommands_(0)
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35 {
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36 scene_ = boost::make_shared<Scene2D>();
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37 }
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38
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39 Scene2DPtr ViewportController::GetScene()
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40 {
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41 return scene_;
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42 }
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43
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44 bool ViewportController::HandlePointerEvent(PointerEvent e)
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45 {
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46 throw StoneException(ErrorCode_NotImplemented);
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47 }
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48
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49 std::vector<MeasureToolPtr> ViewportController::HitTestMeasureTools(
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50 ScenePoint2D p)
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51 {
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52 std::vector<MeasureToolPtr> ret;
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53
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54
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55 //for (size_t i = 0; i < measureTools_.size(); ++i)
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56 //{
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57
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58 //}
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59 return ret;
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60 }
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61
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62 const OrthancStone::AffineTransform2D& ViewportController::GetCanvasToSceneTransform() const
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63 {
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64 return scene_->GetCanvasToSceneTransform();
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65 }
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66
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67 const OrthancStone::AffineTransform2D& ViewportController::GetSceneToCanvasTransform() const
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68 {
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69 return scene_->GetSceneToCanvasTransform();
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70 }
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71
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72 void ViewportController::SetSceneToCanvasTransform(
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73 const AffineTransform2D& transform)
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74 {
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75 scene_->SetSceneToCanvasTransform(transform);
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76 BroadcastMessage(SceneTransformChanged(*this));
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77 }
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78
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79 void ViewportController::FitContent(
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80 unsigned int canvasWidth, unsigned int canvasHeight)
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81 {
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82 scene_->FitContent(canvasWidth, canvasHeight);
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83 BroadcastMessage(SceneTransformChanged(*this));
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84 }
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85
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86 void ViewportController::PushCommand(TrackerCommandPtr command)
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87 {
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88 commandStack_.erase(
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89 commandStack_.begin() + numAppliedCommands_,
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90 commandStack_.end());
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91
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92 ORTHANC_ASSERT(std::find(commandStack_.begin(), commandStack_.end(), command)
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93 == commandStack_.end(), "Duplicate command");
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94 commandStack_.push_back(command);
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95 numAppliedCommands_++;
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96 }
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97
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98 void ViewportController::Undo()
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99 {
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100 ORTHANC_ASSERT(CanUndo(), "");
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101 commandStack_[numAppliedCommands_-1]->Undo();
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102 numAppliedCommands_--;
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103 }
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104
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105 void ViewportController::Redo()
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106 {
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107 ORTHANC_ASSERT(CanRedo(), "");
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108 commandStack_[numAppliedCommands_]->Redo();
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109 numAppliedCommands_++;
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110 }
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111
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112 bool ViewportController::CanUndo() const
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113 {
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114 return numAppliedCommands_ > 0;
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115 }
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116
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117 bool ViewportController::CanRedo() const
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118 {
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119 return numAppliedCommands_ < commandStack_.size();
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120 }
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121
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122 void ViewportController::AddMeasureTool(MeasureToolPtr measureTool)
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123 {
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124 ORTHANC_ASSERT(std::find(measureTools_.begin(), measureTools_.end(), measureTool)
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125 == measureTools_.end(), "Duplicate measure tool");
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126 measureTools_.push_back(measureTool);
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127 }
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128
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129 void ViewportController::RemoveMeasureTool(MeasureToolPtr measureTool)
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130 {
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131 ORTHANC_ASSERT(std::find(measureTools_.begin(), measureTools_.end(), measureTool)
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132 != measureTools_.end(), "Measure tool not found");
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
133 measureTools_.push_back(measureTool);
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
134 }
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
135
698
8b6adfb62a2f Code is broken -- stashing ongoing work in a branch
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
136 }
8b6adfb62a2f Code is broken -- stashing ongoing work in a branch
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
137