Mercurial > hg > orthanc-stone

annotate Applications/Qt/QCairoWidget.h @ 427:3f9017db1738 am-vsol-upgrade-radiography-export

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author am@osimis.io
date Fri, 23 Nov 2018 16:06:23 +0100
parents 6cc3ce74dc05
children b70e9be013e4
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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 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 "../../Applications/Generic/NativeStoneApplicationContext.h"
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24 #include "../../Framework/Viewport/CairoSurface.h"
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25 #include "../../Framework/Widgets/IWidget.h"
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27 #include <QWidget>
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28 #include <memory>
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29 #include <cassert>
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30
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31 class QCairoWidget : public QWidget
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32 {
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33 Q_OBJECT
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34
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35 private:
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36 class StoneObserver : public OrthancStone::IObserver
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37 {
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38 private:
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39 QCairoWidget& that_;
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41 public:
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42 StoneObserver(QCairoWidget& that,
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43 OrthancStone::IViewport& viewport,
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44 OrthancStone::MessageBroker& broker);
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45
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46 void OnViewportChanged(const OrthancStone::IViewport::ViewportChangedMessage& message)
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47 {
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48 that_.OnViewportChanged();
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49 }
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50 };
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51
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52 std::auto_ptr<QImage> image_;
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53 OrthancStone::CairoSurface surface_;
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54 OrthancStone::NativeStoneApplicationContext* context_;
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55 std::auto_ptr<StoneObserver> observer_;
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57 protected:
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58 virtual void paintEvent(QPaintEvent *event);
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60 virtual void resizeEvent(QResizeEvent *event);
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62 virtual void mouseMoveEvent(QMouseEvent *event);
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64 virtual void mousePressEvent(QMouseEvent *event);
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66 virtual void mouseReleaseEvent(QMouseEvent *event);
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68 virtual void wheelEvent(QWheelEvent *event);
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70 virtual void keyPressEvent(QKeyEvent *event);
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72 public:
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73 explicit QCairoWidget(QWidget *parent);
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74
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75 void SetContext(OrthancStone::NativeStoneApplicationContext& context);
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77 void OnViewportChanged()
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78 {
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79 update(); // schedule a repaint (handled by Qt)
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80 emit ContentChanged();
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81 }
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83 signals:
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84 void ContentChanged();
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86 public slots:
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87
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88 };