Restricts the generated PostSript file to level. See
cairo_ps_get_levels() for a list of available level values that
can be used here.
This function should only be called before any drawing operations
have been performed on the given surface. The simplest way to do
this is to call this function immediately after creating the
surface.
Since 1.6
Restricts the generated PostSript file to level. See cairo_ps_get_levels() for a list of available level values that can be used here. This function should only be called before any drawing operations have been performed on the given surface. The simplest way to do this is to call this function immediately after creating the surface. Since 1.6