id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
13677	Toolbar button icons (icons_hidpi.png) are mangled in some zoom levels in Blink-based browsers (Chrome/Opera) on a Retina Mac.	Jim Douglas		"== Steps to reproduce ==

1. Go to http://ckeditor.com/demo#full in Chrome or Opera on a Retina Mac.
2. For a baseline, start with Actual Size (View->Actual Size or CMD 0); toolbar icons are good.
3. Now check various zoom levels (View->Zoom In/Zoom Out or CMD+/CMD-.

== Expected result ==

Tool button icons are correct at any zoom level.

== Actual result ==

Tool button icons are correct at: 50%, 75%, 100%, 125%, 150%, and all higher values.

Tool button icons are wrong at: 67%, 90%, 110%

== Other details (browser, OS, CKEditor version, installed plugins) ==

Mac OS Yosemite 10.10.5, Retina display.

Problem occurs in Chrome ""Version 44.0.2403.155 (64-bit)"" and Opera ""31.0.1889.174"".

Problem does not occur in Safari ""Version 8.0.8 (10600.8.9)"" or Firefix 40.0 on the same machine, or in any browser on a Windows 8.1 non-retina machine."	Bug	confirmed	Normal		UI : Toolbar	4.2