kicad-developers team mailing list archive

[Wayne Stambaugh <stambaughw@xxxxxxxxx>]

On 2/7/2019 2:28 PM, Steven A. Falco wrote:
> On 2/7/19 2:11 PM, Wayne Stambaugh wrote:
>> On 2/7/2019 1:38 PM, Vesa Solonen wrote:
>>> Steven A. Falco kirjoitti 7.2.2019 klo 18.04:
>>>
>>>> However, because of the eeschema line-width issues that I mentioned yesterday, I'm not convinced that users will be happy with gtk3.
>>>>
>>>> In the attached screenshot, compare the line width at pin 2 and pin 3 of the op-amp.
>>>
>>> Hi Steve,
>>>
>>> This is not gtk3 specific, but comes from the rounding issues in
>>> Eeschema new drawing code (both OpenGL and Cairo). Unfortunately proper
>>> solutions are not trivial. One can mask it bearably by using Cairo
>>> drawing with anti-aliasing turned on (at least on 4k resolutions).
>>>
>>> -Vesa
>>>
>>
>> This problem will get fixed during v6 development.  The other option is
>> to build with wxWidgets with gtk2 and disable wxPython support.  There
>> is no ideal solution at the moment.  This is the reason that we even
>> created a 5.1 release.  I think users would rather have the slightly
>> distorted graphics (which Vesa's suggest improves) than no wxPython support.
> 
> Well, based on my test of the nighlies (built with gtk2), I don't think gtk2 will help.  I attached three screen shots - the titles should be self-explanatory.  You can see the distortion even in the gtk2 nightlies.
> 
> 	Steve

The legacy canvas is still available with gtk2 builds so you don't have
to use the modern canvas should you choose not to do so.  The legacy
canvas is disabled in gtk3 builds because it is completely broken.

Wayne