Re: [Devel] [bug?] FT_Vector_Rotate

[David Turner]

Hi Werner,

Werner LEMBERG wrote:
> > The bug is in the documentation. FT_Vector_Rotate takes coordinates
> > in 16.16 format, not 26.6.  The vector you used was so small that
> > the result was swamped by rounding errors.
> >
> > The documentation of both FT_Vector_Rotate and FT_Pos need to be
> > changed.
>
>
> Indeed.  The very problem is that the FT_Vector structure is used
> differently in fttrigon.c (taking the fields as 16.16), compared to
> the rest of FreeType (taking the fields as 26.6).
>
> I believe that we have to introduce a new structure, say,
> FT_Fixed_Vector, to make this clear.  David?
Fortunately, there is no need for such atrocity :-)

- David Turner
- The FreeType Project  (www.freetype.org)


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