Re: [Freetype] weird glyph width/heights

[Peter Montgomery]

Brian,

    I'm just jumping in on this thread.

> > As an aside...I keep seeing references in the API docs and tutorials
to
> > "26.6 format pixels".  Uhh...whazzat?
>
> It is a way to use allow an "integer" to have a fractional part.
> It gives the effect of a floating point number but on some
> systems is much faster.
>
> For 26.6: of the 32 bits, bits 0-5 are the fraction and 6-31 are the
> integer.
>
> > Can they be converted to screen pixels?
>
> Just shift right 6 bits to get the integer.
>
> Same basic idea for 16.16 but of course there are 16 bits of
> fraction.

Do you (or anyone else on the list) know if FreeType's 26.6 format pixel
use the same orientation as typical screen graphics (+X = right, +Y =
down) or normal Cartesian coordinates (+X = right, Y+ = up)?

    Thanks,
    PeterM