Font rendering differences
Phil Race
philip.race at oracle.com
Mon Oct 22 14:46:58 PDT 2012
Can you be (very) specific about what you see ?
I don't know if you attempted to attach screen shots but some lists may
not allow them.
What I think are the major differences follow :-
- Logical fonts may use a different underlying physical font.
This is mostly to be "updated" to the more current fonts
- LCD sub-pixel rendering isn't working - its grey scale only
- The glyphs may appear a little darker/thicker in 7. I don't have a
definitive
answer here. I suspect that being rendered via OpenGL rather than
software
may be some part of the answer. So the glyph data we start from may be
the same, but the final rendering step of blending the image to the
surface
is different.
-phil.
On 10/22/2012 12:39 PM, Robert Krüger wrote:
> Hi,
>
> even on a non-retina display differences are significant between JDK6
> and JDK7 (see screenshots of the same app started with each JDK). What
> is the reason for the difference? Can this be influenced somehow? It
> might not be too obvious for this tiny example but the entire app
> looks a bit like "withered" using JDK7.
>
> Thanks,
>
> Robert
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