qr_code.hpp
bool check_component(const json::const_iterator &it, std::string)
check if a component of json exist
Definition: asio_handler.hpp:14
float centre_y
coordinate y of the center of the QR position
Definition: qr_code.hpp:21
float centre_x
coordinate x of the center of the QR position
Definition: qr_code.hpp:19
qr_code(const json::const_iterator &qr_it)
construct a qr object from a json iterator