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1463
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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
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22 #pragma once
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23 #include "../../Framework/OpenGL/OpenGLIncludes.h"
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24 #include <QOpenGLWidget>
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25 #include <QOpenGLFunctions>
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26 #include <QOpenGLContext>
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27
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28 #include <boost/shared_ptr.hpp>
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29 #include "../../Framework/OpenGL/IOpenGLContext.h"
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30 #include "../../Framework/Scene2D/OpenGLCompositor.h"
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31 #include "../../Framework/Viewport/ViewportBase.h"
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32 #include "../../Applications/Generic/Scene2DInteractor.h"
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33
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34 namespace OrthancStone
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35 {
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36 class QStoneOpenGlWidget :
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37 public QOpenGLWidget,
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38 public OpenGL::IOpenGLContext,
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39 public ViewportBase
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40 {
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41 std::unique_ptr<OrthancStone::OpenGLCompositor> compositor_;
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42 boost::shared_ptr<Scene2DInteractor> sceneInteractor_;
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43 QOpenGLContext openGlContext_;
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44
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45 public:
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46 QStoneOpenGlWidget(QWidget *parent) :
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47 QOpenGLWidget(parent),
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48 ViewportBase("QtStoneOpenGlWidget") // TODO: we shall be able to define a name but construction time is too early !
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49 {
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50 setFocusPolicy(Qt::StrongFocus); // to enable keyPressEvent
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51 setMouseTracking(true); // to enable mouseMoveEvent event when no button is pressed
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52 }
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53
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54 void Init()
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55 {
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56 QSurfaceFormat requestedFormat;
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57 requestedFormat.setVersion( 2, 0 );
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58 openGlContext_.setFormat( requestedFormat );
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59 openGlContext_.create();
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60 openGlContext_.makeCurrent(context()->surface());
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61
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62 compositor_.reset(new OpenGLCompositor(*this, GetScene()));
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63 }
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64
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65 protected:
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66
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67 //**** QWidget overrides
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68 void initializeGL() override;
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69 void resizeGL(int w, int h) override;
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70 void paintGL() override;
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71
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72 void mousePressEvent(QMouseEvent* event) override;
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73 void mouseMoveEvent(QMouseEvent* event) override;
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74 void mouseReleaseEvent(QMouseEvent* event) override;
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75 void keyPressEvent(QKeyEvent* event) override;
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76 void keyReleaseEvent(QKeyEvent *event) override;
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77 void wheelEvent(QWheelEvent* event) override;
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78
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79 //**** IOpenGLContext overrides
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80
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81 virtual void MakeCurrent() override;
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82 virtual void SwapBuffer() override {}
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83
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84 virtual unsigned int GetCanvasWidth() const override
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85 {
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86 return this->width();
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87 }
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88
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89 virtual unsigned int GetCanvasHeight() const override
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90 {
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91 return this->height();
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92 }
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93
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94 public:
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95
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96 void SetInteractor(boost::shared_ptr<Scene2DInteractor> sceneInteractor)
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97 {
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98 sceneInteractor_ = sceneInteractor;
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99 }
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100
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101 virtual ICompositor& GetCompositor()
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102 {
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103 return *compositor_;
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104 }
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105
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106 protected:
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107 void mouseEvent(QMouseEvent* qtEvent, OrthancStone::GuiAdapterHidEventType guiEventType);
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108 bool keyEvent(QKeyEvent* qtEvent, OrthancStone::GuiAdapterHidEventType guiEventType);
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109
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110 };
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111 }
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