[PATCH 2/5] dwrite: Use OS/2 table data to set font style, make it preferable

[Dmitry Timoshkov]

Nikolay Sivov <nsivov at codeweavers.com> wrote:

>      if (tt_os2) {
> +        USHORT version = GET_BE_WORD(tt_os2->version);
> +        USHORT fsSelection = GET_BE_WORD(tt_os2->fsSelection);
> +
>          if (GET_BE_WORD(tt_os2->usWidthClass) <= DWRITE_FONT_STRETCH_ULTRA_EXPANDED)
>              props->stretch = GET_BE_WORD(tt_os2->usWidthClass);
>  
>          props->weight = GET_BE_WORD(tt_os2->usWeightClass);
> +        if (version >= 4 && (fsSelection & OS2_FSSELECTION_OBLIQUE))
> +            props->style = DWRITE_FONT_STYLE_OBLIQUE;
> +        else if (fsSelection & OS2_FSSELECTION_ITALIC)
> +            props->style = DWRITE_FONT_STYLE_ITALIC;

It's much better to use freetype flags for bold and italic, that way styles
will match between gdi32 and dwrite. Besides I'd prefer to trust freetype
instead of some handmade code which was not tested by thousands of fonts
out there.

-- 
Dmitry.