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Issue 913276 link

Starred by 3 users
Status: Untriaged
Owner: ----
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug-Regression



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Non-web-content disregards font smoothing settings

Project Member Reported by phistuck@gmail.com, Dec 9 
UserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3635.0 Safari/537.36

Steps to reproduce the problem:
1. Turn off font smoothing, ClearType and anything similar on Windows.
2. Launch Chrome canary.

What is the expected behavior?
Non blurry text, no sub-pixel anti-aliasing of fonts or whatever it is.

What went wrong?
blurry text, sub-pixel anti-aliasing of fonts or whatever it is. ClearType text.

Did this work before? Yes ~72 canary

Chrome version: 73.0.3635.0  Channel: canary
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: 

:(

Comment 1 by phistuck@chromium.org, Dec 9

Components: -UI UI>Browser>Core Internals>PlatformIntegration Internals>Views
Labels: -Pri-2 Pri-1

Comment 2 by phistuck@chromium.org, Dec 10

Status: Untriaged (was: Unconfirmed)

Comment 3 by brucedaw...@chromium.org, Dec 11 

What system DPI settings are you using?
What zoom settings in Chrome are you using?
Can you share a screenshot of some canonical page.

I wonder if we are displaying the text with a half-pixel offset somehow.

Comment 4 by phistuck@gmail.com, Dec 12 

Normal system DPI (96?), I have not changed it.
No zoom settings (and how would content zoom settings affect the native part?).

It is not a page, it is the chrome of the browser (the tab strip, omnibox, bookmarks bar...). The web content is fine (no ClearType/font smoothing), only the chrome suddenly enabled ClearType/font smoothing.

I will take a screenshot later today.

Comment 5 by phistuck@gmail.com, Dec 13 

Sorry for the delay.
In the screenshot - the top chrome is using ClearType, while the web content is not.
Chrome 73.0.3638.1 (Official Build) canary-dcheck (32-bit) (cohort: ASAN)

The decrypted variations are attached.
variations.txt
22.4 KB View Download
native-chrome-clear-type.png
27.4 KB View Download

Comment 6 by chrsm...@gmail.com, Dec 29 

I can confirm the problem on Linux (64-bit, KDE Plasma 5.14). Upgrading from 71.0.3578.80 to 72.0.3626.7 caused the chromium interface to go from having fonts that were not smoothed or anti-aliased to anti-aliased. It's the only application on the system that has anti-aliased fonts; I haven't touched my font settings in years.

Web sites themselves continue to render as intended, i.e. without any font smoothing/anti-aliasing.
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