+
+ /* Resolution, in units per inch, used for measuring font "points". If
+ this is 72.0, for example, then 1pt = 1 device unit, which is
+ appropriate for rendering to a surface created by
+ cairo_ps_surface_create() with its default transformation matrix of 72
+ units/inch. For a screen-based surface, it is traditionally 96.0. */
+ double font_resolution;