[cairo] cairo anti aliasing

Tim Janik timj at gtk.org
Sat Feb 26 10:39:02 PST 2005


On Sun, 20 Feb 2005, Leon Woestenberg wrote:

> Hello Tim, Øyvind,
>
> Tim Janik wrote:
>> On Sun, 20 Feb 2005, Øyvind Kolås wrote:
>> 
>>> On Sat, 19 Feb 2005 16:45:52 +0100 (CET), Tim Janik <timj at gtk.org> wrote:
>>> 
>>> For a CRT monitor a more expensive sampling operations, either based
>>> on a gaussian integral centered on the sampling point would probably
>>> be more correct, but give an unreasonably blurry result on an LCD
>>> display.
>> 
>> 
>> yeah, a gaussian integral centered on the sampling point is essentially
>> what i've been using in my rendering routines so far and is what i'd
>> like to see implemented in cairo as well.
>> 
> Me too, for television type of displays. I have gathered lots of papers
> and web resources on the different kind of high-end anti-aliasing approaches. 
> I just have not filtered them by availability yet (some
> need an account at the publishing source).
>
> Are your rendering routines open-source?

yes, they will be. i have not released a prototype though because i'm still
doing some fundamental reorganizations and stuff.
if you just want a routine, that implements feather edge rendering though,
that'd be trivial to generalize and send you.

> We could share some information here to see if we can work towards a
> CRT optimized anti-aliasing method for cairo.
>
> Regards,
>
> Leon.
>

---
ciaoTJ


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