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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) 2017-2018 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
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22 #pragma once
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23
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24 #include "../Toolbox/UndoRedoStack.h"
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25 #include "../Toolbox/ViewportGeometry.h"
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26 #include "../Widgets/IWorldSceneMouseTracker.h"
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27 #include "RadiographyScene.h"
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28
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29
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30 namespace OrthancStone
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31 {
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32 class RadiographyLayerRotateTracker : public IWorldSceneMouseTracker
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33 {
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34 private:
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35 class UndoRedoCommand;
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36
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37 UndoRedoStack& undoRedoStack_;
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38 RadiographyScene::LayerAccessor accessor_;
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39 double centerX_;
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40 double centerY_;
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41 double originalAngle_;
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42 double clickAngle_;
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43 bool roundAngles_;
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44
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45 bool ComputeAngle(double& angle /* out */,
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46 double sceneX,
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47 double sceneY) const;
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48
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49 public:
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50 RadiographyLayerRotateTracker(UndoRedoStack& undoRedoStack,
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51 RadiographyScene& scene,
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52 const ViewportGeometry& view,
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53 size_t layer,
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54 double x,
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55 double y,
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56 bool roundAngles);
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57
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58 virtual bool HasRender() const
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59 {
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60 return false;
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61 }
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62
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63 virtual void Render(CairoContext& context,
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64 double zoom);
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65
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66 virtual void MouseUp();
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67
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68 virtual void MouseMove(int displayX,
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69 int displayY,
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70 double sceneX,
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71 double sceneY);
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72 };
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73 }
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