Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/ViewportController.cpp @ 819:a68cd7ae8838

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fix
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 29 May 2019 13:39:31 +0200
parents 66ac7a2d1e3a
children e42b491f1fb2
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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 "../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 namespace OrthancStone
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29 {
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30 ViewportController::ViewportController(MessageBroker& broker)
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31 : IObservable(broker)
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32 , numAppliedCommands_(0)
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33 , canvasToSceneFactor_(0.0)
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34 {
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35 scene_ = boost::make_shared<Scene2D>();
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36 }
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37
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38 Scene2DConstPtr ViewportController::GetScene() const
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39 {
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40 return scene_;
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41 }
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42
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43 Scene2DPtr ViewportController::GetScene()
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44 {
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45 return scene_;
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46 }
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47
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48 bool ViewportController::HandlePointerEvent(PointerEvent e)
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49 {
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50 throw StoneException(ErrorCode_NotImplemented);
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51 }
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52
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53 std::vector<MeasureToolPtr> ViewportController::HitTestMeasureTools(
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54 ScenePoint2D p)
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55 {
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56 std::vector<MeasureToolPtr> ret;
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57
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58 for (size_t i = 0; i < measureTools_.size(); ++i)
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59 {
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60 if (measureTools_[i]->HitTest(p))
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61 ret.push_back(measureTools_[i]);
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62 }
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63 return ret;
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64 }
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65
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66 const OrthancStone::AffineTransform2D& ViewportController::GetCanvasToSceneTransform() const
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67 {
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68 return scene_->GetCanvasToSceneTransform();
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69 }
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70
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71 const OrthancStone::AffineTransform2D& ViewportController::GetSceneToCanvasTransform() const
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72 {
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73 return scene_->GetSceneToCanvasTransform();
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74 }
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75
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76 void ViewportController::SetSceneToCanvasTransform(
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77 const AffineTransform2D& transform)
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78 {
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79 scene_->SetSceneToCanvasTransform(transform);
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80 BroadcastMessage(SceneTransformChanged(*this));
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81
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82 // update the canvas to scene factor
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83 canvasToSceneFactor_ = 0.0;
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84 canvasToSceneFactor_ = GetCanvasToSceneFactor();
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85 }
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86
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87 void ViewportController::FitContent(
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88 unsigned int canvasWidth, unsigned int canvasHeight)
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89 {
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90 scene_->FitContent(canvasWidth, canvasHeight);
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91 BroadcastMessage(SceneTransformChanged(*this));
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92 }
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93
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94 void ViewportController::PushCommand(TrackerCommandPtr command)
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95 {
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96 commandStack_.erase(
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97 commandStack_.begin() + numAppliedCommands_,
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98 commandStack_.end());
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99
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100 ORTHANC_ASSERT(std::find(commandStack_.begin(), commandStack_.end(), command)
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101 == commandStack_.end(), "Duplicate command");
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102 commandStack_.push_back(command);
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103 numAppliedCommands_++;
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104 }
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105
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106 void ViewportController::Undo()
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107 {
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108 ORTHANC_ASSERT(CanUndo(), "");
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109 commandStack_[numAppliedCommands_-1]->Undo();
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110 numAppliedCommands_--;
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111 }
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112
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113 void ViewportController::Redo()
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114 {
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115 ORTHANC_ASSERT(CanRedo(), "");
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116 commandStack_[numAppliedCommands_]->Redo();
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117 numAppliedCommands_++;
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118 }
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119
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120 bool ViewportController::CanUndo() const
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121 {
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122 return numAppliedCommands_ > 0;
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123 }
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124
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125 bool ViewportController::CanRedo() const
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126 {
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127 return numAppliedCommands_ < commandStack_.size();
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128 }
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129
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130 void ViewportController::AddMeasureTool(MeasureToolPtr measureTool)
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131 {
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132 ORTHANC_ASSERT(std::find(measureTools_.begin(), measureTools_.end(), measureTool)
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133 == measureTools_.end(), "Duplicate measure tool");
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134 measureTools_.push_back(measureTool);
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135 }
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136
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137 void ViewportController::RemoveMeasureTool(MeasureToolPtr measureTool)
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138 {
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139 ORTHANC_ASSERT(std::find(measureTools_.begin(), measureTools_.end(), measureTool)
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140 != measureTools_.end(), "Measure tool not found");
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141 measureTools_.erase(
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142 std::remove(measureTools_.begin(), measureTools_.end(), measureTool),
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143 measureTools_.end());
722
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144 }
774
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145
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146
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147 double ViewportController::GetCanvasToSceneFactor() const
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148 {
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149 if (canvasToSceneFactor_ == 0)
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150 {
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151 canvasToSceneFactor_ =
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152 GetScene()->GetCanvasToSceneTransform().ComputeZoom();
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153 }
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154 return canvasToSceneFactor_;
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155 }
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156
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157 double ViewportController::GetHandleSideLengthS() const
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158 {
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159 return HANDLE_SIDE_LENGTH_CANVAS_COORD * GetCanvasToSceneFactor();
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160 }
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161
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162 double ViewportController::GetAngleToolArcRadiusS() const
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163 {
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164 return ARC_RADIUS_CANVAS_COORD * GetCanvasToSceneFactor();
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165 }
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166
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167 double ViewportController::GetHitTestMaximumDistanceS() const
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168 {
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169 return HIT_TEST_MAX_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor();
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170 }
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171
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172 double ViewportController::GetAngleTopTextLabelDistanceS() const
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173 {
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174 return TEXT_CENTER_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor();
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175 }
698
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parents:
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176 }
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177