<AWT Dev>  Review request for 8076545 Text size is twice bigger under Windows L&F on Win 8.1 with HiDPI display
alexandr.scherbatiy at oracle.com
Fri Jul 17 13:27:48 UTC 2015
Could you review the updated fix:
- inverted scale is used
- round is used instead of ceil
On 7/9/2015 2:32 AM, Phil Race wrote:
> - Note that the size you are re-scaling is the real pixel size GDI
> says to use,
> so this is presumably to prevent double-scaling ? I can't really
> tell from
> the attached images if the size the user perceives in the Win L&F is
> the same as the rest of the native desktop or much bigger.
> In other words is Win L&F just right and Metal too small, or is
> Metal just right and Win L&F too big ?
The Win L&F is twice bigger than Metal L&F, window, and component
> - why use ceil instead of rounding ? For 120 dpi and a reported 14
> pixel font you
> probably want the closest int to "11.2" which is 11 but you will
> return 12.
> - I am not familiar with what the effect is of the change in
> Can you explain this.
It returns size of requested native controls. For example, Windows
L&F can request a size of the expanded or collapsed Tree icon.
> - Sergey's point about multi-mon should be checked out.
Windows 8.1 has option "Let me choose one scaling level for all my
If I unset it I am able to change the size of all items. However,
the DPI which returns GetDPIForMonitor is still 2 on HiDPI displays.
> On 7/3/2015 10:06 AM, Alexander Scherbatiy wrote:
>> Could you review the fix:
>> bug: https://bugs.openjdk.java.net/browse/JDK-8076545
>> webrev: http://cr.openjdk.java.net/~alexsch/8076545/webrev.00
>> Windows L&F fonts and size of components are rescaled according to
>> the system DPI.
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