Hi Sergey, I have added a test case and updated the webrev. Please have a look.
Webrev http://cr.openjdk.java.net/~arapte/pankaj/8159062/webrev.01/ Regards, Pankaj Bansal -----Original Message----- From: Sergey Bylokhov Sent: Wednesday, October 25, 2017 1:04 AM To: Pankaj Bansal; awt-dev@openjdk.java.net; Semyon Sadetsky; Prem Kumar Balakrishnan (prem.balakrish...@oracle.com) Subject: Re: [10] Review Request: JDK-8159062 : [hidpi] DnD on Windows while scaling is non-integer Hi, Pankaj. Please provide a test case for the issue. On 24/10/2017 02:43, Pankaj Bansal wrote: > Hi All, > > Please review the fix for JDK 10. > > Bug: > > https://bugs.openjdk.java.net/browse/JDK-8159062 > > Webrev: > > http://cr.openjdk.java.net/~psadhukhan/pankaj/JDK-8159062-webrev.00/ > > Issue: > > There are issue with the mouse move events when HIDPI scale is set to > some non-integer value like 1.25, 1.5, 2.5. > > Fix: > > The issue is due to precision error. In native side in the > awt_Win32GraphicsDevice class, ScaleUp and ScaleDown functions are > used to get scaled value where ceil is used. But in java side, > ClipRound is used which rounds the value instead of ceil. I think we > should be doing round in native side also. This fixes the issue. > > Regards, > > Pankaj Bansal > -- Best regards, Sergey.
