gdi32: Specify the suitable hinting flags explicitly.

[Dmitry Timoshkov]

Byeongsik Jeon <bsjeon at hanmail.net> wrote:

> >> Even if we do not consider bug # 41639, now Wine GDI has a problem using
> >> the wrong advance value for MS legacy fonts( with hdmx table) at the v40.
> > 
> > Could you elaborate?
> > 

[skipped]

> For example:
> 
> $ ttx -l tahoma.ttf | grep hdmx
>     hdmx  0x40968415    106152     19188
> $ ttx -t hdmx tahoma.ttf
> 
> ppem:   9  10  11  12  13  14
>    t:   3   3   4   5   4   5
> 
> Tahoma 't' width=685 EM=2048. liear scaled advance=ROUND(ppem * 685 / 2048).
>    t:   3   3   4   4   4   5
> 
> wordpad_tahoma_t_111213px.png shows the actual rendered image. We can
> see the 5px advance applied in the ppem 12px 't'.
> 
> I used 't' as an example to show prominent differences, but it also
> applies to other characters. This problem will cause a difference in
> text layout between Wine and native Windows. Of course, it does not
> appear in programs with their own layout engines, or programs using
> DirectWrite.

Is there a reason why freetype doesn't do what Microsoft documentation
implies to be a responsibility of the font rasterizer?

-- 
Dmitry.