Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/ViewportController.cpp @ 1331:ab81ee8fce1f broker

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- Viewport is not passed and stored as a shared_ptr instead of raw reference. - ViewportController can now be injected with an undo stack (not a ctor param anymore, as a preparation for the move of the undo stack to an interactor) - Added (temp) flag to disable emscripten events registration in the WebAssemblyViewport (because legacy client code deals with them directly) - Added emscripten_clear_timeout in ~WebGLViewportsRegistry - Removed GenericToolbox::HoldingRef whose responsibility is better served with proper callback un-registration.
author Benjamin Golinvaux <bgo@osimis.io>
date Mon, 30 Mar 2020 14:23:46 +0200
parents 1f877e0846fe
children
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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 "ViewportController.h"
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22
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23 #include "UndoStack.h"
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24 #include "MeasureCommands.h"
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25
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26 #include "../StoneException.h"
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27 #include "../Scene2D/PanSceneTracker.h"
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28 #include "../Scene2D/RotateSceneTracker.h"
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29 #include "../Scene2D/ZoomSceneTracker.h"
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30
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31 #include <boost/make_shared.hpp>
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32
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33 namespace OrthancStone
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34 {
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35 IFlexiblePointerTracker* DefaultViewportInteractor::CreateTracker(
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36 boost::shared_ptr<IViewport> viewport,
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37 const PointerEvent& event,
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38 unsigned int viewportWidth,
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39 unsigned int viewportHeight)
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40 {
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41 switch (event.GetMouseButton())
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42 {
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43 case MouseButton_Left:
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44 return new RotateSceneTracker(viewport, event);
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45
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46 case MouseButton_Middle:
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47 return new PanSceneTracker(viewport, event);
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48
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49 case MouseButton_Right:
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50 {
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51 if (viewportWidth != 0)
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52 {
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53 return new ZoomSceneTracker(viewport, event, viewportWidth);
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54 }
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55 else
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56 {
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57 return NULL;
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58 }
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59 }
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60
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61 default:
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62 return NULL;
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63 }
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64 }
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65
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66 ViewportController::ViewportController(boost::shared_ptr<IViewport> viewport)
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67 : viewport_(viewport)
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68 , scene_(new Scene2D)
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69 , canvasToSceneFactor_(1)
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70 {
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71 // undoStack_ is not default-initialized, which basically means empty.
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72 // The controller must be able to cope with this.
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73 }
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74
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75 ViewportController::~ViewportController()
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76 {
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77 }
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78
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79 void ViewportController::PushCommand(
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80 boost::shared_ptr<MeasureCommand> command)
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81 {
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82 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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83 if (undoStack.get() != NULL)
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84 {
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85 undoStack->PushCommand(command);
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86 }
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87 else
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88 {
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89 LOG(ERROR) << "Internal error: no undo stack!";
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90 }
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91 }
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92
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93 void ViewportController::Undo()
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94 {
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95 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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96 if (undoStack.get() != NULL)
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97 {
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98 undoStack->Undo();
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99 }
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100 else
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101 {
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102 LOG(ERROR) << "Internal error: no undo stack!";
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103 }
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104 }
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105
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106 void ViewportController::Redo()
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107 {
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108 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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109 if (undoStack.get() != NULL)
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111 undoStack->Redo();
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112 }
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113 else
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114 {
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115 LOG(ERROR) << "Internal error: no undo stack!";
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116 }
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117 }
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118
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119 bool ViewportController::CanUndo() const
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121 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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122 if (undoStack.get() != NULL)
1208
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123 {
906
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124 return undoStack->CanUndo();
1208
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125 }
906
52b1c6ff10c5 Disabled OpenGL in GuiAdapter to allow for Cairo-only workflows (THIS IS A TEMP CHANGE!!!) + disabled outlined text by default (build macro)
Benjamin Golinvaux <bgo@osimis.io>
parents: 893
diff changeset
126 else
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127 {
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128 LOG(ERROR) << "Internal error: no undo stack!";
906
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129 return false;
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130 }
858
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131 }
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132
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133 bool ViewportController::CanRedo() const
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134 {
906
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135 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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136 if (undoStack.get() != NULL)
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137 {
906
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138 return undoStack->CanRedo();
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139 }
906
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140 else
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141 {
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142 LOG(ERROR) << "Internal error: no undo stack!";
906
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143 return false;
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144 }
858
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145 }
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146
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147 std::vector<boost::shared_ptr<MeasureTool> >
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148 ViewportController::HitTestMeasureTools(ScenePoint2D p)
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149 {
842
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150 std::vector<boost::shared_ptr<MeasureTool> > ret;
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151
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152 for (size_t i = 0; i < measureTools_.size(); ++i)
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153 {
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154 if (measureTools_[i]->HitTest(p))
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155 ret.push_back(measureTools_[i]);
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156 }
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157 return ret;
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158 }
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159
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160 void ViewportController::ResetMeasuringToolsHighlight()
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161 {
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diff changeset
162 for (size_t i = 0; i < measureTools_.size(); ++i)
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163 {
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164 measureTools_[i]->ResetHighlightState();
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165 }
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166 }
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167
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diff changeset
168 OrthancStone::AffineTransform2D
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169 ViewportController::GetCanvasToSceneTransform() const
700
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diff changeset
170 {
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171 return scene_->GetCanvasToSceneTransform();
700
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172 }
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173
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diff changeset
174 OrthancStone::AffineTransform2D
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diff changeset
175 ViewportController::GetSceneToCanvasTransform() const
700
059e1fd05fd6 Introduced the ViewportController that sits between the application and the
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diff changeset
176 {
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177 return scene_->GetSceneToCanvasTransform();
700
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diff changeset
178 }
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diff changeset
179
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diff changeset
180 void ViewportController::SetSceneToCanvasTransform(
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diff changeset
181 const AffineTransform2D& transform)
721
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182 {
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diff changeset
183 scene_->SetSceneToCanvasTransform(transform);
1213
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diff changeset
184
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185 canvasToSceneFactor_ = scene_->GetCanvasToSceneTransform().ComputeZoom();
721
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186 BroadcastMessage(SceneTransformChanged(*this));
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187 }
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188
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diff changeset
189 void ViewportController::FitContent(unsigned int viewportWidth,
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diff changeset
190 unsigned int viewportHeight)
916
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Alain Mazy <alain@mazy.be>
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diff changeset
191 {
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diff changeset
192 scene_->FitContent(viewportWidth, viewportHeight);
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193 canvasToSceneFactor_ = scene_->GetCanvasToSceneTransform().ComputeZoom();
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diff changeset
194 BroadcastMessage(SceneTransformChanged(*this));
916
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diff changeset
195 }
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parents: 906
diff changeset
196
1331
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diff changeset
197 void ViewportController::AddMeasureTool(
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diff changeset
198 boost::shared_ptr<MeasureTool> measureTool)
722
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
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diff changeset
199 {
1331
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diff changeset
200 ORTHANC_ASSERT(std::find(measureTools_.begin(),
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diff changeset
201 measureTools_.end(),
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Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
202 measureTool) == measureTools_.end(),
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diff changeset
203 "Duplicate measure tool");
722
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
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parents: 721
diff changeset
204 measureTools_.push_back(measureTool);
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diff changeset
205 }
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diff changeset
206
1331
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diff changeset
207 void ViewportController::RemoveMeasureTool(
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diff changeset
208 boost::shared_ptr<MeasureTool> measureTool)
722
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
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diff changeset
209 {
1331
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diff changeset
210 ORTHANC_ASSERT(std::find(measureTools_.begin(),
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diff changeset
211 measureTools_.end(),
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Benjamin Golinvaux <bgo@osimis.io>
parents: 1309
diff changeset
212 measureTool) != measureTools_.end(),
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
Benjamin Golinvaux <bgo@osimis.io>
parents: 1309
diff changeset
213 "Measure tool not found");
761
07adcffba38c truncation warning fixes + CRLF -> LF + random measuring tool creation (keyb
Benjamin Golinvaux <bgo@osimis.io>
parents: 754
diff changeset
214 measureTools_.erase(
07adcffba38c truncation warning fixes + CRLF -> LF + random measuring tool creation (keyb
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diff changeset
215 std::remove(measureTools_.begin(), measureTools_.end(), measureTool),
07adcffba38c truncation warning fixes + CRLF -> LF + random measuring tool creation (keyb
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parents: 754
diff changeset
216 measureTools_.end());
722
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
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parents: 721
diff changeset
217 }
774
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diff changeset
218
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
219 double ViewportController::GetCanvasToSceneFactor() const
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diff changeset
220 {
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diff changeset
221 return canvasToSceneFactor_;
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diff changeset
222 }
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diff changeset
223
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
224 double ViewportController::GetHandleSideLengthS() const
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diff changeset
225 {
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diff changeset
226 return HANDLE_SIDE_LENGTH_CANVAS_COORD * GetCanvasToSceneFactor();
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diff changeset
227 }
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
228
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
229 double ViewportController::GetAngleToolArcRadiusS() const
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diff changeset
230 {
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
231 return ARC_RADIUS_CANVAS_COORD * GetCanvasToSceneFactor();
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diff changeset
232 }
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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parents: 761
diff changeset
233
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
234 double ViewportController::GetHitTestMaximumDistanceS() const
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diff changeset
235 {
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diff changeset
236 return HIT_TEST_MAX_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor();
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diff changeset
237 }
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
238
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
239 double ViewportController::GetAngleTopTextLabelDistanceS() const
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diff changeset
240 {
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
241 return TEXT_CENTER_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor();
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
242 }
1208
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1203
diff changeset
243
00e6bff9ea39 handling of mouse interactions in ViewportController
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1203
diff changeset
244
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245 void ViewportController::HandleMousePress(
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246 OrthancStone::IViewportInteractor& interactor,
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247 const PointerEvent& event,
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248 unsigned int viewportWidth,
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249 unsigned int viewportHeight)
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250 {
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251 if (activeTracker_)
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252 {
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253 // We are dealing with a multi-stage tracker (that is made of several
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254 // interactions)
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255 activeTracker_->PointerDown(event);
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256
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257 if (!activeTracker_->IsAlive())
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258 {
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259 activeTracker_.reset();
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260 }
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261 }
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262 else
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263 {
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264 // Check whether there is already a measure tool at that position
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265 for (size_t i = 0; i < measureTools_.size(); ++i)
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266 {
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267 if (measureTools_[i]->HitTest(event.GetMainPosition()))
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268 {
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269 activeTracker_ = measureTools_[i]->CreateEditionTracker(event);
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270 return;
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271 }
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272 }
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273
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274 // No measure tool, create new tracker from the interactor
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275 activeTracker_.reset(interactor.CreateTracker(viewport_,
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276 event,
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277 viewportWidth,
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278 viewportHeight));
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279 }
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280 }
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281
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282 bool ViewportController::HandleMouseMove(const PointerEvent& event)
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283 {
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284 if (activeTracker_)
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285 {
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286 activeTracker_->PointerMove(event);
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287 return true;
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288 }
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289 else
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290 {
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291 return false;
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292 }
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293 }
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294
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295 void ViewportController::HandleMouseRelease(const PointerEvent& event)
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296 {
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297 if (activeTracker_)
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298 {
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299 activeTracker_->PointerUp(event);
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300
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301 if (!activeTracker_->IsAlive())
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302 {
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303 activeTracker_.reset();
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304 }
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305 }
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306 }
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307 }