sdrangel/plugins/channelrx/demodapt/aptdemodimageworker.h

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015-2018 Edouard Griffiths, F4EXB. //
// Copyright (C) 2021 Jon Beniston, M7RCE //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_APTDEMODIMAGEWORKER_H
#define INCLUDE_APTDEMODIMAGEWORKER_H
#include <QObject>
#include <QMutex>
#include <QImage>
#include <apt.h>
#include <CoordTopocentric.h>
#include <CoordGeodetic.h>
#include <Observer.h>
#include <SGP4.h>
#include "util/messagequeue.h"
#include "util/message.h"
#include "aptdemodsettings.h"
class APTDemod;
class APTDemodImageWorker : public QObject
{
Q_OBJECT
public:
class MsgConfigureAPTDemodImageWorker : public Message {
MESSAGE_CLASS_DECLARATION
public:
const APTDemodSettings& getSettings() const { return m_settings; }
bool getForce() const { return m_force; }
static MsgConfigureAPTDemodImageWorker* create(const APTDemodSettings& settings, bool force)
{
return new MsgConfigureAPTDemodImageWorker(settings, force);
}
private:
APTDemodSettings m_settings;
bool m_force;
MsgConfigureAPTDemodImageWorker(const APTDemodSettings& settings, bool force) :
Message(),
m_settings(settings),
m_force(force)
{ }
};
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class MsgSaveImageToDisk : public Message {
MESSAGE_CLASS_DECLARATION
public:
static MsgSaveImageToDisk* create()
{
return new MsgSaveImageToDisk();
}
private:
MsgSaveImageToDisk() :
Message()
{
}
};
class MsgSetSatelliteName : public Message {
MESSAGE_CLASS_DECLARATION
public:
QString getSatelliteName() const { return m_satelliteName; }
static MsgSetSatelliteName* create(const QString &satelliteName)
{
return new MsgSetSatelliteName(satelliteName);
}
private:
QString m_satelliteName;
MsgSetSatelliteName(const QString &satelliteName) :
Message(),
m_satelliteName(satelliteName)
{
}
};
APTDemodImageWorker(APTDemod *aptDemod);
~APTDemodImageWorker();
void reset();
void startWork();
void stopWork();
bool isRunning() const { return m_running; }
MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; } //!< Get the queue for asynchronous inbound communication
void setMessageQueueToGUI(MessageQueue *messageQueue) { m_messageQueueToGUI = messageQueue; }
private:
MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
MessageQueue *m_messageQueueToGUI;
APTDemodSettings m_settings;
APTDemod *m_aptDemod;
// Image buffers
apt_image_t m_image; // Received image
apt_image_t m_tempImage; // Processed image
QImage m_greyImage;
QImage m_colourImage;
QString m_satelliteName;
QList<CoordGeodetic> m_satCoords; // Lat,lon for satellite for each image row - in received order for both pass directions
QVector<QVector<CoordGeodetic>> m_pixelCoords; // Coordinates for each pixel - reversed y order for south to north passes, so always highest lat first
SGP4 *m_sgp4; // For calculating satellite position
double m_tileEast; // Bounding box for projected image, in degrees
double m_tileWest;
double m_tileNorth;
double m_tileSouth;
QList<QImage> m_palettes;
bool m_running;
QMutex m_mutex;
bool handleMessage(const Message& cmd);
void applySettings(const APTDemodSettings& settings, bool force = false);
void resetDecoder();
double calcHeading(CoordGeodetic from, CoordGeodetic to) const;
void calcPixelCoords(CoordGeodetic centreCoord, double heading);
void recalcCoords();
void calcCoords(QDateTime qdt, int row);
void calcCoord(int row);
void processPixels(const float *pixels);
void sendImageToGUI();
QRgb findNearest(const QImage &image, double latitude, double longitude, int xPrevious, int yPrevious, int &xNearest, int &yNearest) const;
void calcBoundingBox(double &east, double &south, double &west, double &north, const QImage &image);
QImage projectImage(const QImage &image);
void makeTransparent(QImage &image);
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void sendImageToMap(QImage image);
void sendLineToGUI();
void prependPath(QString &filename);
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void saveImageToDisk();
QImage processImage(QStringList& imageTypes, APTDemodSettings::ChannelSelection channels);
QImage extractImage(QImage image, APTDemodSettings::ChannelSelection channels);
static void copyImage(apt_image_t *dst, apt_image_t *src);
static uchar roundAndClip(float p);
private slots:
void handleInputMessages();
};
#endif // INCLUDE_APTDEMODIMAGEWORKER_H