Refactor/Create APT/DNF Repository (#1648)

include/grabber/x11/X11Grabber.h

@@ -0,0 +1,130 @@
+#pragma once
+#include <QAbstractEventDispatcher>
+#include <QAbstractNativeEventFilter>
+#include <QCoreApplication>
+
+// QT includes
+#include <QObject>
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QJsonDocument>
+
+
+// Hyperion-utils includes
+#include <utils/ColorRgb.h>
+#include <hyperion/Grabber.h>
+
+// X11 includes
+#include <X11/Xlib.h>
+#include <X11/extensions/Xrandr.h>
+#include <X11/extensions/Xrender.h>
+#include <X11/extensions/XShm.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+
+#ifdef Bool
+	#undef Bool
+#endif
+
+class X11Grabber : public Grabber , public QAbstractNativeEventFilter
+{
+public:
+
+	X11Grabber(int cropLeft=0, int cropRight=0, int cropTop=0, int cropBottom=0);
+
+	~X11Grabber() override;
+
+	bool open();
+
+	bool setupDisplay();
+
+	///
+	/// Captures a single snapshot of the display and writes the data to the given image. The
+	/// provided image should have the same dimensions as the configured values (_width and
+	/// _height)
+	///
+	/// @param[out] image  The snapped screenshot (should be initialized with correct width and
+	/// height)
+	///
+	int grabFrame(Image<ColorRgb> & image, bool forceUpdate=false);
+
+	///
+	/// update dimension according current screen
+	int updateScreenDimensions(bool force=false);
+
+	void setVideoMode(VideoMode mode) override;
+
+	///
+	/// @brief Apply new width/height values, overwrite Grabber.h implementation as X11 doesn't use width/height, just pixelDecimation to calc dimensions
+	///
+	bool setWidthHeight(int width, int height) override { return true; }
+
+	///
+	/// @brief Apply new pixelDecimation
+	///
+	bool setPixelDecimation(int pixelDecimation) override;
+
+	///
+	/// Set the crop values
+	/// @param  cropLeft    Left pixel crop
+	/// @param  cropRight   Right pixel crop
+	/// @param  cropTop     Top pixel crop
+	/// @param  cropBottom  Bottom pixel crop
+	///
+	void setCropping(int cropLeft, int cropRight, int cropTop, int cropBottom) override;
+
+	///
+	/// @brief Discover X11 screens available (for configuration).
+	///
+	/// @param[in] params Parameters used to overwrite discovery default behaviour
+	///
+	/// @return A JSON structure holding a list of devices found
+	///
+	QJsonObject discover(const QJsonObject& params);
+
+protected:
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
+	bool nativeEventFilter(const QByteArray & eventType, void * message, qintptr * result) override;
+#else
+	bool nativeEventFilter(const QByteArray & eventType, void * message, long int * result) override;
+#endif
+
+private:
+
+	void freeResources();
+	void setupResources();
+
+	/// Reference to the X11 display (nullptr if not opened)
+	Display* _x11Display;
+	Window _window;
+	XWindowAttributes _windowAttr;
+
+	XImage* _xImage;
+	XShmSegmentInfo _shminfo;
+
+	Pixmap _pixmap;
+	XRenderPictFormat* _srcFormat;
+	XRenderPictFormat* _dstFormat;
+	XRenderPictureAttributes _pictAttr;
+	Picture _srcPicture;
+	Picture _dstPicture;
+
+	int _XRandREventBase;
+
+	XTransform _transform;
+
+	unsigned _calculatedWidth;
+	unsigned _calculatedHeight;
+	unsigned _src_x;
+	unsigned _src_y;
+
+	bool _XShmAvailable;
+	bool _XShmPixmapAvailable;
+	bool _XRenderAvailable;
+	bool _XRandRAvailable;
+	bool _isWayland;
+
+	Logger * _logger;
+
+	Image<ColorRgb> _image;
+};

include/grabber/x11/X11Wrapper.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <hyperion/GrabberWrapper.h>
+#include <grabber/x11/X11Grabber.h>
+// some include of xorg defines "None" this is also used by QT and has to be undefined to avoid collisions
+#ifdef None
+	#undef None
+#endif
+
+
+///
+/// The X11Wrapper uses an instance of the X11Grabber to obtain ImageRgb's from the displayed content.
+/// This ImageRgb is processed to a ColorRgb for each led and committed to the attached Hyperion.
+///
+class X11Wrapper: public GrabberWrapper
+{
+public:
+	///
+	/// Constructs the X11 frame grabber with a specified grab size and update rate.
+	///
+	/// @param[in] updateRate_Hz  The image grab rate [Hz]
+	/// @param[in] pixelDecimation   Decimation factor for image [pixels]
+	///
+	X11Wrapper(	int updateRate_Hz=GrabberWrapper::DEFAULT_RATE_HZ,
+				int pixelDecimation=GrabberWrapper::DEFAULT_PIXELDECIMATION,
+				int cropLeft=0, int cropRight=0,
+				int cropTop=0, int cropBottom=0
+				);
+
+	///
+	/// Destructor of this frame grabber. Releases any claimed resources.
+	///
+	~X11Wrapper() override;
+
+public slots:
+	///
+	/// Performs a single frame grab and computes the led-colors
+	///
+	void action() override;
+
+private:
+	/// The actual grabber
+	X11Grabber _grabber;
+
+	bool _init;
+};