[HarfBuzz] How to override Harfbuzz's freetype functions?

[Tom Hacohen]

Dear Behdad,

Very good to hear, thank you very much.

Thanks,
Tom.

On Mon, 2011-04-18 at 22:39 -0400, Behdad Esfahbod wrote:
> On 02/02/11 03:44, Tom Hacohen wrote:
> > Regarding the way implementing font functions is implemented: it's
> > actually pretty annoying :( you can't sanely override single functions
> > because for example freetype already uses user_data for something, so I
> > can't use anything else unless I wrap each and every function :| We
> > really could use an "internal user data" that will be used by the inner
> > layer because wrapping each function is not only annoying, but very
> > broken by design, because this means I have to assume the user_data
> > freetype uses doesn't change, which is an internal design, and not part
> > of the API.
> 
> Hi Tom,
> 
> During the HarfBuzz API review hackfest last Friday, Ryan Lortie and I spent a
> good hour and a half to figure out the best way to solve this problem, and I
> believe we've reached the best possible API given the circumstances.  I'll be
> implementing that soon.  I'll write a separate email to the list about the
> hackfest and the results.
> 
> Cheers,
> behdad