Re: [Pharo-users] roassal pixel rendering

2015-03-03 Thread Mircea S.
What is your host system? If you're on a mac is it Retina? If you're on windows, what dpi setting are you using? Pe 3 mar. 2015, la 00:31, Peter Uhnák i.uh...@gmail.com a scris: Hi, I've been experiencing weird behavior with pixel rendering... basically one pixel lines will get

Re: [Pharo-users] roassal pixel rendering

2015-03-03 Thread Nicolai Hess
2015-03-03 15:44 GMT+01:00 Hilaire hila...@drgeo.eu: Le 02/03/2015 23:31, Peter Uhnák a écrit : basically one pixel lines will get blurred for some reason even though there is no half-pixel overlapping. I noted the same visual artefact on Dr. Geo with perfectly horizontal 1 pixel

Re: [Pharo-users] roassal pixel rendering

2015-03-03 Thread Peter Uhnák
with cairo, coordinates are between pixels - http://cairographics.org/FAQ/#sharp_lines Aha! Thank you. Now the question is how this could be solved. One of their suggestions is use even-integer width, but that from principle wouldn't be true, since it still overlaps by half-a-pixel (so one

Re: [Pharo-users] roassal pixel rendering

2015-03-03 Thread Alexandre Bergel
Added this issue here: https://code.google.com/p/moose-technology/issues/detail?id=1109 Cheers, Alexandre On Mar 2, 2015, at 5:31 PM, Peter Uhnák i.uh...@gmail.com wrote: Hi, I've been experiencing weird behavior with pixel rendering... basically one pixel lines will get blurred for

Re: [Pharo-users] roassal pixel rendering

2015-03-03 Thread Hilaire
Le 03/03/2015 16:22, Nicolai Hess a écrit : with cairo, coordinates are between pixels - http://cairographics.org/FAQ/#sharp_lines Yeah, I guess something like that. Thanks Hilaire -- Dr. Geo - http://drgeo.eu iStoa - http://istoa.drgeo.eu

Re: [Pharo-users] roassal pixel rendering

2015-03-03 Thread Alexandre Bergel
Hi Peter! I was able to reproduce the problem you describe on Mac. Indeed, it would be great to have a solution for this. Thanks for looking into this. Cheers, Alexandre On Mar 3, 2015, at 10:37 AM, Peter Uhnák i.uh...@gmail.com wrote: with cairo, coordinates are between pixels -

Re: [Pharo-users] roassal pixel rendering

2015-03-03 Thread Peter Uhnák
On Tue, Mar 3, 2015 at 9:15 AM, Mircea S. mir...@unom.ro wrote: What is your host system? If you're on a mac is it Retina? If you're on windows, what dpi setting are you using? As I've mentioned, it is both on Linux and Windows (I don't have a mac so I can't test that). My Linux laptop LCD

Re: [Pharo-users] roassal pixel rendering

2015-03-03 Thread Hilaire
Le 02/03/2015 23:31, Peter Uhnák a écrit : basically one pixel lines will get blurred for some reason even though there is no half-pixel overlapping. I noted the same visual artefact on Dr. Geo with perfectly horizontal 1 pixel width/horizontal line (enclosed zoomed screenshot) Hilaire --

[Pharo-users] roassal pixel rendering

2015-03-02 Thread Peter Uhnák
Hi, I've been experiencing weird behavior with pixel rendering... basically one pixel lines will get blurred for some reason even though there is no half-pixel overlapping. Here is a test code (screenshots attached below). Without the labels the left box will be blurred while the right is