#pragma once #include #include #include #include // Hyperion-utils includes #include #include // X11 includes #include #include #include #include #include #include class X11Grabber : public Grabber , public QAbstractNativeEventFilter { public: X11Grabber(int cropLeft, int cropRight, int cropTop, int cropBottom, int pixelDecimation); ~X11Grabber() override; bool Setup(); /// /// 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 & 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 /// void 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(unsigned cropLeft, unsigned cropRight, unsigned cropTop, unsigned cropBottom) override; protected: bool nativeEventFilter(const QByteArray & eventType, void * message, long int * result) override; private: bool _XShmAvailable, _XShmPixmapAvailable, _XRenderAvailable, _XRandRAvailable; XImage* _xImage; XShmSegmentInfo _shminfo; /// Reference to the X11 display (nullptr if not opened) Display* _x11Display; Window _window; XWindowAttributes _windowAttr; Pixmap _pixmap; XRenderPictFormat* _srcFormat; XRenderPictFormat* _dstFormat; XRenderPictureAttributes _pictAttr; Picture _srcPicture; Picture _dstPicture; int _XRandREventBase; XTransform _transform; int _pixelDecimation; unsigned _screenWidth; unsigned _screenHeight; unsigned _src_x; unsigned _src_y; Image _image; void freeResources(); void setupResources(); };