Opened 4 years ago

Last modified 4 years ago

#13677 confirmed Bug

Toolbar button icons (icons_hidpi.png) are mangled in some zoom levels in Blink-based browsers (Chrome/Opera) on a Retina Mac.

Reported by: Jim Douglas Owned by:
Priority: Normal Milestone:
Component: UI : Toolbar Version: 4.2
Keywords: Cc:

Description

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.

Attachments (2)

Chrome-Zoom90.png (852.9 KB) - added by Jim Douglas 4 years ago.
http://ckeditor.com/demo#full in Retina Mac Chrome, zoom 90%.
Screen Shot 2015-08-24 at 14.52.03.png (481.8 KB) - added by Wiktor Walc 4 years ago.

Download all attachments as: .zip

Change History (12)

Changed 4 years ago by Jim Douglas

Attachment: Chrome-Zoom90.png added

http://ckeditor.com/demo#full in Retina Mac Chrome, zoom 90%.

comment:1 Changed 4 years ago by Jim Douglas

Component: GeneralUI : Toolbar

comment:2 Changed 4 years ago by Wiktor Walc

Works for me, zoom 90% attached.

Version 44.0.2403.155 (64-bit) Yosemite 10.10.3 (14D136)

Last edited 4 years ago by Wiktor Walc (previous) (diff)

comment:3 Changed 4 years ago by Jakub Ś

Status: newpending

comment:4 Changed 4 years ago by Jim Douglas

Summary: Tool button icons are mangled in some zoom levels in Blink-based browsers (Chrome/Opera) on a Retina Mac.Toolbar button icons (icons_hidpi.png) are mangled in some zoom levels in Blink-based browsers (Chrome/Opera) on a Retina Mac.

comment:6 Changed 4 years ago by Wiktor Walc

Disregard my last comment. Issue confirmed. I was testing it on my primary screen, while the secondary screen is retina. Attached is my result.

Changed 4 years ago by Wiktor Walc

comment:7 Changed 4 years ago by Wiktor Walc

Status: pendingconfirmed
Version: 4.5.34.2

comment:8 Changed 4 years ago by Wiktor Walc

Hidpi support was added in 4.2, thus the version. It's not a regression.

comment:9 Changed 4 years ago by Wiktor Walc

Note: as described in TC, the issue occurs only when someone changes the zoom level when CKEditor is loaded. If you set the zoom level first and then open a page with CKEditor, then the editor works fine.

comment:10 Changed 4 years ago by Jim Douglas

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