[cairo] glyph extents

[Jeff Muizelaar]

On Wed, Feb 25, 2009 at 07:02:16PM +0000, Jonathan Kew wrote:
> On 25 Feb 2009, at 18:14, Jeff Muizelaar wrote:
> 
> >On Thu, Feb 19, 2009 at 10:56:00AM +0000, Jonathan Kew wrote:
> >>On 18 Feb 2009, at 23:16, Jeff Muizelaar wrote:
> >>
> >>>Does GetGlyphOutlineW return the proper extents if you change from
> >>>GGO_METRICS to GGO_GRAY8_BITMAP?
> >>
> >>No, that doesn't help. I still see the same clipped glyphs in my
> >>little Cairo test program, when cairo-surface-fallback.c uses these
> >>extents to clip its painting operation.
> >
> >Does the problem only show up on windows older than Vista?
> >I'm unable to reproduce the problem on Vista:
> >http://people.freedesktop.org/~jrmuizel/cleartype.png
> 
> I only see 4 lines of test glyphs in that image, and all those are  
> expected to look OK. What happened to the 5th and 6th lines, which are  
> supposed to be drawn with 50% alpha? It's the 6th line that shows the  
> problem; compare the screenshot at
> 
>    https://bug445087.bugzilla.mozilla.org/attachment.cgi?id=359258
> 
> JK

Ah, yes. Well I guess cairo-trunk might be a little broken then...
I'll investigate.

-Jeff
>