[cairo] Win32 fonts rendered without antialisasing on Win2K, with under Wine

[Behdad Esfahbod]

Peter Clifton wrote:
> Hi,
> 
> I'm struggling to identify where I need to be looking next to debug this
> further. I've got a GTK CAD application which I cross-compiled for
> Windows, and have been testing it under wine. We're using pango + cairo
> for text rendering.
> 
> Under Wine, it shows anti-aliased fonts on our drawing canvas, as on
> Linux. When I copy the built tree to my Win2K partition and boot
> windows, I find that the font outlines show no anti-aliasing. I don't
> have any explicit options setting such options in the program, and I'm a
> bit confused about why there is a difference in behaviours.
> 
> I half expected that I'd compiled freetype / pango / cairo with the
> wrong options, but that doesn't explain why it renders differently under
> wine.
> 
> I tried rebuilding pango + cairo without the freetype backend. (Trying
> to ensure I knew which back end was ending up being used). I still get
> no antialiasing, although I "think" the rendering might have changed
> slightly in my GDK menus. (I don't have a development environment on the
> Win2K partition, so doing side-by-side tests is rather awkward).
> 
> Any ideas?

Hi Peter,

Sounds like the fonts on Windows have embedded bitmaps that are being used.
Try turning embedded bitmaps off using fontconfig configuration.

behdad