Returns the version of the cairo library as a human-readable string of the form "X.Y.Z". See also cairo_version() as well as the compile-time equivalents CAIRO_VERSION_STRING and CAIRO_VERSION.
a string containing the version.
Returns the version of the cairo library as a human-readable string of the form "X.Y.Z". See also cairo_version() as well as the compile-time equivalents CAIRO_VERSION_STRING and CAIRO_VERSION.