Some Eclipse Foundation services are deprecated, or will be soon. Please ensure you've read this important communication.

Bug 465195

Summary:	[GTK3] Device#getDPI() should use GTK 3.10 APIs to get resolution / display scale
Product:	[Eclipse Project] Platform	Reporter:	Markus Keller <markus.kell.r>
Component:	SWT	Assignee:	Platform-SWT-Inbox <platform-swt-inbox>
Status:	RESOLVED FIXED	QA Contact:
Severity:	normal
Priority:	P3	CC:	akurtakov, ericwill, peter, sravankumarl
Version:	4.5	Keywords:	triaged
Target Milestone:	---
Hardware:	PC
OS:	Linux
Whiteboard:

Description Markus Keller

2015-04-22 09:00:19 EDT

(In reply to Sravan Kumar Lakkimsetti from bug 399786 comment #14)
> since the native support for scaling is available only from GTK3.10 onwards,
> swt has a implementation for calculating dpi based on the monitor
> dimensions. This implementation is there in
> Display.getDpi()/Display.getScreenDpi() call. This API call is used for
> calculating dpi used to render the images.

The new APIs should be used if available.

System Settings > Displays > Scale for menu and title bars: 2

... should turn a regular monitor into a high-dpi monitor.

Comment 1 Eric Williams

2018-04-11 11:13:36 EDT

Ping: Sravan is this ticket still relevant?

Comment 2 Alexander Kurtakov

2018-10-19 09:13:05 EDT

Resolving this one as we fixed that in 4.9.