hyperion.ng/include/dispmanx-grabber/DispmanxWrapper.h

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#pragma once
// QT includes
#include <QObject>
#include <QTimer>
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// Utils includes
#include <utils/RgbColor.h>
#include <utils/RgbImage.h>
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// Forward class declaration
class DispmanxFrameGrabber;
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class Hyperion;
class ImageProcessor;
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///
/// The DispmanxWrapper uses an instance of the DispmanxFrameGrabber to obtain RgbImage's from the
/// displayed content. This RgbImage is processed to a RgbColor for each led and commmited to the
/// attached Hyperion.
///
class DispmanxWrapper: public QObject
{
Q_OBJECT
public:
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DispmanxWrapper(const unsigned grabWidth, const unsigned grabHeight, const unsigned updateRate_Hz, Hyperion * hyperion);
virtual ~DispmanxWrapper();
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signals:
void ledValues(const unsigned priority, const std::vector<RgbColor> ledColors, const unsigned timeout_ms);
public slots:
void start();
void action();
void stop();
private:
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const int _updateInterval_ms;
const int _timeout_ms;
QTimer _timer;
RgbImage _image;
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DispmanxFrameGrabber * _frameGrabber;
ImageProcessor * _processor;
std::vector<RgbColor> _ledColors;
Hyperion * _hyperion;
};