<Swing Dev> [9] Review request for 8058742: Text size is twice bigger under GTK L&F on Gnome with HiDPI enabled

[Semyon Sadetsky]

On 29.07.2016 14:30, Sergey Bylokhov wrote:
> On 26.07.16 22:05, Semyon Sadetsky wrote:
>>> It is actually directly related to the global scale, since support of
>>> Xft/ was added in JDK-4830281 as a way to scale java UI. And now the
>>> new solution and the old one conflicts. Can we skip the usage of
>>> gnome.Xft if default device scale is not identity (which means that
>>> some other scale factor is used)?
>> Do you mean if native scale > 1 then to use scale=1 for GTK font size?
>> That will give the same result I guess.
>
> Did you try to implement it? In this case the gnome.Xft will be used 
> only if no other scale was set, it should work like described below:
Once again Xft.dpi cannot be used as global scale directly. This bug is 
not about global scale.
>
>>  - Take debug scale into account if it was set and skip all others.
>>  - Check J2D_UISCALE
>>  - Check scale-factor, text-scale-factor, text-scaling-factor.
>>  - Check Xft.dpi.
>>  - If non of them was set then scale=1 should be used.
>