<AWT Dev> [OpenJDK 2D-Dev] [9] Review request for 8073320 Windows HiDPI Graphics support

Jim Graham james.graham at oracle.com
Fri Apr 1 02:24:26 UTC 2016

Hi Alexandr,

Is there a bug filed to upgrade JLightweightFrame to allow non-integer 
(and X/Y) scales?  We'd need this capability to implement "Swing 
embedded in FX" correctly on Win8.1+...


On 9/22/2015 2:33 AM, Alexander Scherbatiy wrote:
> Hello,
> Could you review the fix:
>    bug: https://bugs.openjdk.java.net/browse/JDK-8073320
>    webrev: http://cr.openjdk.java.net/~alexsch/8073320/webrev.00
>    This is an initial part of the HiDPI Graphics support on Windows for
> the JEP 263: HiDPI Graphics on Windows and Linux
>      http://openjdk.java.net/jeps/263
>    - scale factors are added to surface dates
>    - window size, events coordinates and font are scaled on native side
>    - backup buffered image is scaled in SunVolatileImage
>    - AwtRobot MouseMove() and GetRGBPixels() methods are updated
>    - GetDpiForMonitor function is used to query the specified monitor
> for the horizontal and vertical DPI values.
>      If it is not available ID2D1Factory::GetDesktopDpi method is used
> instead.
>    - "sun.java2d.uiScale.enabled", "sun.java2d.win.uiScale",
> "sun.java2d.win.uiScaleX", and "sun.java2d.win.uiScaleY"  options are
> added for the testing purposes.
> Thanks,
> Alexandr.

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