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annotate Applications/Qt/QCairoWidget.h @ 280:829163c6efc1 am-2

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split MainWindow into a generic one and one specific to these samples
author am@osimis.io
date Mon, 27 Aug 2018 16:22:08 +0200
parents a38465cc909f
children 38b0ac8055b9
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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 #pragma once
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22
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23 #include "../../Framework/Widgets/CairoWidget.h"
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24 #include "../../Applications/Generic/BasicNativeApplicationContext.h"
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25 #include "../../Framework/Viewport/CairoSurface.h"
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26
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27 #include <QWidget>
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28 #include <QGestureEvent>
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29 #include <memory>
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30 #include <cassert>
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31
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32 class QCairoWidget : public QWidget, public OrthancStone::IViewport::IObserver
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33 {
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34 Q_OBJECT
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35
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36 private:
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37 std::auto_ptr<QImage> image_;
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38 OrthancStone::CairoSurface surface_;
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39 OrthancStone::BasicNativeApplicationContext* context_;
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40
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41 protected:
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42 virtual void paintEvent(QPaintEvent *event);
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43
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44 virtual void resizeEvent(QResizeEvent *event);
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45
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46 virtual void mouseMoveEvent(QMouseEvent *event);
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47
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48 virtual void mousePressEvent(QMouseEvent *event);
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50 virtual void mouseReleaseEvent(QMouseEvent *event);
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51
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52 virtual void wheelEvent(QWheelEvent *event);
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53
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54 public:
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55 explicit QCairoWidget(QWidget *parent);
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56
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57 virtual ~QCairoWidget();
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58
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59 void SetContext(OrthancStone::BasicNativeApplicationContext& context);
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60
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61 virtual void OnViewportContentChanged(const OrthancStone::IViewport& /*sceneNotUsed*/)
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62 {
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63 update(); // schedule a repaint (handled by Qt)
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64 emit ContentChanged();
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65 }
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67 signals:
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69 void ContentChanged();
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70
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71 public slots:
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72
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73 };