cairo_ps_level_t is used to describe the language level of the
PostScript Language Reference that a generated PostScript file will
conform to.
CAIRO_PS_LEVEL_2
The language level 2 of the PostScript specification. (Since 1.6)
CAIRO_PS_LEVEL_3
The language level 3 of the PostScript specification. (Since 1.6)
Since 1.6
cairo_ps_level_t is used to describe the language level of the PostScript Language Reference that a generated PostScript file will conform to. CAIRO_PS_LEVEL_2 The language level 2 of the PostScript specification. (Since 1.6) CAIRO_PS_LEVEL_3 The language level 3 of the PostScript specification. (Since 1.6) Since 1.6