[cairo] UserFontFace vs FtFontFace management (cairomm)

[Jonathon Jongsma]

Behdad Esfahbod wrote:
> I'm not sure whether you are being lazy or the docs are so horribly bad :).

Yes, sorry about that.  I was being lazy and realized it just after I had sent the email.

>> Now, regarding the unicode_to_glyph documentation you quoted above, the
>> fact that you overload the 'num_glyphs' parameter with a special
>> negative number sentinel makes it somewhat cumbersome to wrap cleanly in
>> languages that have better support for arrays.
> 
> I agree that it's clumsy.  It happened to offset for the fact that there is no
> public CAIRO_STATUS_UNIMPLEMENTED.  The documentation is only for the C
> version.  Your binding layer is free to do otherwise.

right

> The C interface is now written in stone.  What we can do is to add a special
> cairo_status_t value for this case that will be interpreted as UNIMPLEMENTED
> only when used in this context.  That's possible if you don't find any other
> solutions.

Yes, I had this thought as well.  I'm working on a new implementation now, so I'll follow 
up on this later if I run into any insurmountable issues with other approaches.  Thanks 
for your input.

-- 
jonner