ImageGrabber.h

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#ifndef IMAGE_GRABBER_H
#define IMAGE_GRABBER_H

#include <string>
#include <exception>
#include <functional>

#include <interfaces/IImageStreamExtractor.h>

#include <zmq.hpp>

class ImageGrabberException: public std::exception {
public:
    ImageGrabberException(const std::string & _message);
    ~ImageGrabberException() throw();
    virtual const char* what() const throw();
private:
    std::string message;
};

class ImageGrabber;

class _ImageGrabberImpl {
    friend ImageGrabber;
public:
    virtual int getWidth() = 0;
    virtual int getHeight() = 0;
    virtual int getBytesPerPixel() = 0;
    virtual void startServing() = 0;
    virtual void stopServing() = 0;
    virtual void addEndpoint(const std::string & _endpoint) = 0;
protected:
    virtual ~_ImageGrabberImpl() = 0;
};

class ImageGrabber {
public:
    ImageGrabber(const std::string & _deviceName,
                 const std::string & _deviceType,
                 const std::string & _deviceSource,
                 zmq::context_t & ctx,
                 const std::string & _brokerEndpoint);
    ~ImageGrabber();
    int getWidth();
    int getHeight();
    int getBytesPerPixel();
    void startServing();
    void stopServing();
    void addEndpoint(const std::string & _endpoint);

private:
    _ImageGrabberImpl* impl;
};

#endif /* IMAGE_GRABBER_H */