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

[Sergey Bylokhov]

On 29.07.16 19:06, Semyon Sadetsky wrote:
> 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.

But I don't suggest to use it as a global scale, use it only if other 
scales were not set(default transform is 1).

>>>  - 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.
>>
>


-- 
Best regards, Sergey.