See demo main() and any demo Applications for a starting point into the code.

For the appropriate headers and pkg-config files on debian/ubuntu install:

apt-get install xcb-dev libxcb-shm0-dev libxcb-image0-dev libboost-log-dev

xcb-dev
libxcb-image0-dev (xcb/xcb_image.h)
libxcb-shm0-dev (xcb/shm.h)
libboost-log-dev (trivial.hpp)

Testing dependecies:
catch.hpp (https://github.com/catchorg/Catch2/blob/master/docs/tutorial.md#getting-catch2)