QtGrabber.h

#pragma once

#include <QObject>

// Hyperion-utils includes
#include <utils/ColorRgb.h>
#include <hyperion/Grabber.h>

class QScreen;

class QtGrabber : public Grabber
{
public:

    QtGrabber(int cropLeft, int cropRight, int cropTop, int cropBottom, int pixelDecimation, int display);

    virtual ~QtGrabber();

    virtual int grabFrame(Image<ColorRgb> & image);

    virtual void setVideoMode(VideoMode mode);

    virtual bool setWidthHeight(int width, int height) { return true; };

    virtual void setPixelDecimation(int pixelDecimation);

    virtual void setCropping(unsigned cropLeft, unsigned cropRight, unsigned cropTop, unsigned cropBottom);

    virtual void setDisplayIndex(int index);

private slots:
    void geometryChanged(const QRect &geo);

private:
    bool setupDisplay();

    int updateScreenDimensions(const bool& force);

    void freeResources();

private:

    unsigned _display;
    int _pixelDecimation;
    unsigned _screenWidth;
    unsigned _screenHeight;
    unsigned _src_x;
    unsigned _src_y;
    unsigned _src_x_max;
    unsigned _src_y_max;
    QScreen* _screen;
};