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#ifndef CAMERA_H__
#define CAMERA_H__

/* *******************************************************************
 *  Includes
 * ******************************************************************/

#include "Cursor.h"
#include <stdint.h>
#include <stdbool.h>

/* *******************************************************************
 *  Defines
 * ******************************************************************/

/* *******************************************************************
 *  Global types definition
 * ******************************************************************/

/* Forward declaration. */
class Cursor;

/* *******************************************************************
 *  Global variables declaration
 * ******************************************************************/

/* *******************************************************************
 *  Global functions declaration
 * ******************************************************************/

/* *******************************************************************
 *  Class definition
 * ******************************************************************/

class Camera
{
    public:
        Camera(void);
        void adjustLock(const bool bLock);
        bool isLocked(void) const;
        int16_t getX(const uint16_t x) const;
        int16_t getY(const uint16_t y) const;
        uint16_t getRealX(const int16_t x) const;
        uint16_t getRealY(const int16_t y) const;

        /* Event handlers. */
        void onLeftBtnPressed(Cursor& cursor);
        void onRightBtnPressed(Cursor& cursor);
        void onUpBtnPressed(Cursor& cursor);
        void onDownBtnPressed(Cursor& cursor);

    private:
        bool _bLocked;
        int16_t _xOffset;
        int16_t _yOffset;
        uint8_t _speedTimer;
};

#endif /* CAMERA_H__ */