kicad-developers team mailing list archive

[Miguel Angel Ajo <miguelangel@xxxxxxx>]

Awesome work, I must find some time to try putting all this together in OSX and see how does it go, it seems that we will have more fun compiling, but if we're lucky the wx overlay problems in OSX will be gone.

Miguel Angel Ajo
http://www.nbee.es (http://www.nbee.es/)
+34911407752
skype: ajoajoajo


On Wednesday, 10 de April de 2013 at 18:16, Tomasz Wlostowski wrote:

> On 04/10/2013 06:07 PM, Lorenzo Marcantonio wrote:
> > On Wed, Apr 10, 2013 at 05:05:27PM +0200, Maciej Suminski wrote:
> > > As far as I could see, it was not looking this bad with Cairo in pcbnew.
> > > I hope soon I will fix Cairo's GAL bugs and everyone can judge.
> > > 
> > 
> > 
> > Cairo use a pretty standard transparency blend, so the usual alpha
> > opengl behaviour should be the same..
> > 
> > How did you handle overlapping part of traces, i.e. how to avoid them
> > getting brighter at junctions and still have transparency on the layers
> > below? I'm curious
> > 
> 
> Hi Lorenzo,
> 
> In OpenGL, it's done with by a simple depth test (i.e. GL_LESS) and 
> drawing layers in depth-sorted order. Cairo backend needs to be improved 
> here (currently trace joints on the same layer "accumulate" transparency).
> 
> Regards,
> Tom Wlostowski
> 
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