[cairo] Font embedding options

[Behdad Esfahbod]

Thinking about how to let apps adjust font embedding, I think
cairo_font_options_t is the right way for it to go.  Making
cairo_surface_set_font_options() public makes it easy to for example
create a Postscript surface and disable TrueType embedding on it, then
pass it around to drawing code...

Of course there's the question of what the API should look like.

-- 
behdad
http://behdad.org/

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