Mercurial > hg > orthanc-stone
annotate Framework/Widgets/WorldSceneWidget.cpp @ 439:b70e9be013e4
preparing for 2019
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 24 Dec 2018 13:41:12 +0100 |
| parents | 99e31898910e |
| children | 3b4df9925db6 aaeec7be8fb7 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 439 | 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 47 | 8 * modify it under the terms of the GNU Affero General Public License |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 0 | 11 * |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 47 | 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 * Affero General Public License for more details. | |
| 281 | 16 * |
| 47 | 17 * You should have received a copy of the GNU Affero General Public License |
| 0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "WorldSceneWidget.h" | |
| 23 | |
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24 #include "PanMouseTracker.h" |
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25 #include "ZoomMouseTracker.h" |
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26 |
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27 #include <Core/Logging.h> |
| 403 | 28 #include <Core/OrthancException.h> |
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29 |
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30 #include <math.h> |
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31 #include <memory> |
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32 #include <cassert> |
| 0 | 33 |
| 34 namespace OrthancStone | |
| 35 { | |
| 281 | 36 // this is an adapter between a IWorldSceneMouseTracker |
| 37 // that is tracking a mouse in scene coordinates/mm and | |
| 38 // an IMouseTracker that is tracking a mouse | |
| 39 // in screen coordinates/pixels. | |
| 0 | 40 class WorldSceneWidget::SceneMouseTracker : public IMouseTracker |
| 41 { | |
| 42 private: | |
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43 ViewportGeometry view_; |
| 0 | 44 std::auto_ptr<IWorldSceneMouseTracker> tracker_; |
| 281 | 45 |
| 0 | 46 public: |
| 47 SceneMouseTracker(const ViewportGeometry& view, | |
| 48 IWorldSceneMouseTracker* tracker) : | |
| 49 view_(view), | |
| 50 tracker_(tracker) | |
| 51 { | |
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52 if (tracker == NULL) |
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53 { |
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54 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); |
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55 } |
| 0 | 56 } |
| 57 | |
| 58 virtual void Render(Orthanc::ImageAccessor& target) | |
| 59 { | |
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60 if (tracker_->HasRender()) |
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61 { |
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62 CairoSurface surface(target); |
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63 CairoContext context(surface); |
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64 view_.ApplyTransform(context); |
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65 tracker_->Render(context, view_.GetZoom()); |
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66 } |
| 0 | 67 } |
| 68 | |
| 281 | 69 virtual void MouseUp() |
| 0 | 70 { |
| 71 tracker_->MouseUp(); | |
| 72 } | |
| 73 | |
| 281 | 74 virtual void MouseMove(int x, |
| 0 | 75 int y) |
| 76 { | |
| 77 double sceneX, sceneY; | |
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78 view_.MapPixelCenterToScene(sceneX, sceneY, x, y); |
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79 tracker_->MouseMove(x, y, sceneX, sceneY); |
| 0 | 80 } |
| 81 }; | |
| 82 | |
| 83 | |
| 84 bool WorldSceneWidget::RenderCairo(CairoContext& context) | |
| 85 { | |
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86 view_.ApplyTransform(context); |
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87 return RenderScene(context, view_); |
| 0 | 88 } |
| 89 | |
| 90 | |
| 91 void WorldSceneWidget::RenderMouseOverCairo(CairoContext& context, | |
| 92 int x, | |
| 93 int y) | |
| 94 { | |
| 95 ViewportGeometry view = GetView(); | |
| 96 view.ApplyTransform(context); | |
| 97 | |
| 98 double sceneX, sceneY; | |
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99 view.MapPixelCenterToScene(sceneX, sceneY, x, y); |
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100 |
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101 if (interactor_) |
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102 { |
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103 interactor_->MouseOver(context, *this, view, sceneX, sceneY, GetStatusBar()); |
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104 } |
| 0 | 105 } |
| 106 | |
| 107 | |
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108 void WorldSceneWidget::SetSceneExtent(ViewportGeometry& view) |
| 0 | 109 { |
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110 view.SetSceneExtent(GetSceneExtent()); |
| 0 | 111 } |
| 112 | |
| 113 | |
| 114 void WorldSceneWidget::SetSize(unsigned int width, | |
| 115 unsigned int height) | |
| 116 { | |
| 117 CairoWidget::SetSize(width, height); | |
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118 view_.SetDisplaySize(width, height); |
| 0 | 119 } |
| 120 | |
| 121 | |
| 122 void WorldSceneWidget::SetInteractor(IWorldSceneInteractor& interactor) | |
| 123 { | |
| 124 interactor_ = &interactor; | |
| 125 } | |
| 126 | |
| 127 | |
| 330 | 128 void WorldSceneWidget::FitContent() |
| 0 | 129 { |
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130 SetSceneExtent(view_); |
| 330 | 131 view_.FitContent(); |
| 0 | 132 |
| 278 | 133 NotifyContentChanged(); |
| 0 | 134 } |
| 135 | |
| 136 | |
| 137 void WorldSceneWidget::SetView(const ViewportGeometry& view) | |
| 138 { | |
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139 view_ = view; |
| 0 | 140 |
| 278 | 141 NotifyContentChanged(); |
| 0 | 142 } |
| 143 | |
| 144 | |
| 145 IMouseTracker* WorldSceneWidget::CreateMouseTracker(MouseButton button, | |
| 146 int x, | |
| 147 int y, | |
| 148 KeyboardModifiers modifiers) | |
| 149 { | |
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150 double sceneX, sceneY; |
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151 view_.MapPixelCenterToScene(sceneX, sceneY, x, y); |
| 0 | 152 |
| 281 | 153 // asks the Widget Interactor to provide a mouse tracker |
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154 std::auto_ptr<IWorldSceneMouseTracker> tracker; |
| 0 | 155 |
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156 if (interactor_) |
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157 { |
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158 tracker.reset(interactor_->CreateMouseTracker(*this, view_, button, modifiers, x, y, sceneX, sceneY, GetStatusBar())); |
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159 } |
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160 |
| 0 | 161 if (tracker.get() != NULL) |
| 162 { | |
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163 return new SceneMouseTracker(view_, tracker.release()); |
| 0 | 164 } |
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165 else if (hasDefaultMouseEvents_) |
| 0 | 166 { |
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167 switch (button) |
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168 { |
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169 case MouseButton_Middle: |
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170 return new SceneMouseTracker(view_, new PanMouseTracker(*this, x, y)); |
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171 |
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172 case MouseButton_Right: |
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173 return new SceneMouseTracker(view_, new ZoomMouseTracker(*this, x, y)); |
| 0 | 174 |
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175 default: |
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176 return NULL; |
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177 } |
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178 } |
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179 else |
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180 { |
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181 return NULL; |
| 0 | 182 } |
| 183 } | |
| 184 | |
| 185 | |
| 186 void WorldSceneWidget::MouseWheel(MouseWheelDirection direction, | |
| 187 int x, | |
| 188 int y, | |
| 281 | 189 KeyboardModifiers modifiers) |
| 0 | 190 { |
| 191 if (interactor_) | |
| 192 { | |
| 193 interactor_->MouseWheel(*this, direction, modifiers, GetStatusBar()); | |
| 194 } | |
| 195 } | |
| 196 | |
| 197 | |
| 327 | 198 void WorldSceneWidget::KeyPressed(KeyboardKeys key, |
| 199 char keyChar, | |
| 0 | 200 KeyboardModifiers modifiers) |
| 201 { | |
| 202 if (interactor_) | |
| 203 { | |
| 327 | 204 interactor_->KeyPressed(*this, key, keyChar, modifiers, GetStatusBar()); |
| 0 | 205 } |
| 206 } | |
| 207 } |