hyperion.ng/include/grabber/X11Grabber.h

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// Hyperion-utils includes
#include <utils/Image.h>
#include <utils/ColorRgb.h>
#include <utils/ImageResampler.h>
// X11 includes
#include <X11/Xlib.h>
class X11Grabber
{
public:
X11Grabber(int cropLeft, int cropRight, int cropTop, int cropBottom, int horizontalPixelDecimation, int verticalPixelDecimation);
virtual ~X11Grabber();
int open();
Image<ColorRgb> & grab();
private:
ImageResampler _imageResampler;
int _cropLeft;
int _cropRight;
int _cropTop;
int _cropBottom;
/// Reference to the X11 display (nullptr if not opened)
Display * _x11Display;
unsigned _screenWidth;
unsigned _screenHeight;
Image<ColorRgb> _image;
int updateScreenDimensions();
};