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96 lines
3.5 KiB
C++
96 lines
3.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2024 Jon Beniston, M7RCE //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_SOLARDYNAMICSOBSERVATORY_H
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#define INCLUDE_SOLARDYNAMICSOBSERVATORY_H
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#include <QtCore>
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#include <QTimer>
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#include <QImage>
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#include <QCache>
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#include "export.h"
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class QNetworkAccessManager;
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class QNetworkReply;
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class QNetworkDiskCache;
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// This gets solar imagery from SDO (Solar Dynamics Observatory) - https://sdo.gsfc.nasa.gov/
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// and LASCO images from SOHO - https://soho.nascom.nasa.gov/
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class SDRBASE_API SolarDynamicsObservatory : public QObject
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{
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Q_OBJECT
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protected:
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SolarDynamicsObservatory();
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public:
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static SolarDynamicsObservatory* create();
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~SolarDynamicsObservatory();
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void getImagePeriodically(const QString& image, int size=512, int periodInMins=15);
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void getImage(const QString& m_image, int size);
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void getImage(const QString& m_image, QDateTime dateTime, int size=512);
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static QString getImageURL(const QString& image, int size);
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static QString getVideoURL(const QString& video, int size=512);
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static QList<int> getImageSizes();
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static const QStringList getChannelNames();
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static const QStringList getImageNames();
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static QList<int> getVideoSizes();
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static const QStringList getVideoNames();
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private slots:
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void getImage();
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void handleReply(QNetworkReply* reply);
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signals:
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void imageUpdated(const QImage& image); // Called when new image is available.
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private:
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struct Request {
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QString m_url;
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QDateTime m_dateTime;
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int m_size;
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QString m_image;
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};
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QTimer m_dataTimer; // Timer for periodic updates
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QString m_image; // Saved parameters for periodic updates
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int m_size;
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QNetworkAccessManager *m_networkManager;
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QNetworkDiskCache *m_cache;
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// Index page isn't cacheable (using network cache), so we cache it ourselves, as it can take up to 5 seconds to fetch
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QCache<QDate, QByteArray> m_indexCache;
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QDateTime m_todayCacheDateTime;
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QByteArray *m_todayCache;
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QList<Request> m_requests;
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void handleJpeg(const QByteArray& bytes);
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void handleIndex(QByteArray *bytes, const Request& request);
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static const QStringList getImageFileNames();
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static const QStringList getVideoFileNames();
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};
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#endif /* INCLUDE_SOLARDYNAMICSOBSERVATORY_H */
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