Function mupdf_sys::fz_set_default_gray

pub unsafe extern "C" fn fz_set_default_gray(
    ctx: *mut fz_context,
    default_cs: *mut fz_default_colorspaces,
    cs: *mut fz_colorspace
)

Set new defaults within the default colorspace structure.

New references are taken to the new default, and references to the old defaults dropped.

Never throws exceptions.