[cairo] plotting a donut in cairo

Hakki Dogusan dogusanh at tr.net
Tue Nov 25 00:50:51 PST 2008


Hi,

Charles سمير Doutriaux wrote:
> Hello,
> 
> I'm having a problem on cairo plotting a "Donut".
> 
> The way i'm rendering it on my X surface is that basicaly rawing the  
> outside circle and then going inside and drawing the inside circle,
> Then I fill this.
> 
> On my X it works great (but i think this section is still using xgks  
> not cairo)
> 
> ON cairo output, the whole thing is filled (png and postscript at least)
> 
> I was wondering what the best way would be to fx this? Leave a tiny  
> little space between the first and ast ponit of the outter circle?
> 
> Any suggestion welcome.
> 
> I can send some sample code to if you want.
> 

Did you success with donut plotting? It may be a good sample (animating 
one will be better) to have in CairoPad[1]. Can you share?


> C.
> 

--
Regards,
Hakki Dogusan

[1] http://www.dynaset.org/dogusanh/download.html#cairopad


More information about the cairo mailing list