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Issue metadata

Status: Assigned
Owner:
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug



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Unicode shade characters rendered too tall - overlapping lines

Reported by ada...@gmail.com, Mar 9 2017

Issue description

UserAgent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Example URL:
https://github.com/Microsoft/vscode/issues/22262

Steps to reproduce the problem:
1. While originally encountered in vscode, the issue can also be seen in the reported vscode issue here (with images): https://github.com/Microsoft/vscode/issues/22262 

Under step 1 of that ticket, you'll see that the raw text (not an image) is rendered incorrectly.

What is the expected behavior?
The Unicode shade characters should not overlap so badly. More images of the expected behavior here: https://github.com/Microsoft/vscode/issues/22262

What went wrong?
The Unicode shade characters should not overlap badly across lines.

Does it occur on multiple sites: Yes

Is it a problem with a plugin? No 

Did this work before? N/A 

Does this work in other browsers? Yes

Chrome version: 56.0.2924.87  Channel: stable
OS Version: 10.0
Flash Version: 

Love chromium!

 
Components: -Blink Blink>Fonts
Do you have a reproduction HTML file? I understand this is in vscode but reproducing it in the browser would help us substantially addressing the issue.

Comment 2 by ada...@gmail.com, Mar 9 2017

The attached reproduces the bug.
chromium-consolas-bug.html
454 bytes View Download
Labels: Needs-Triage-M56

Comment 4 by e...@chromium.org, Mar 13 2017

Cc: drott@chromium.org e...@chromium.org behdad@chromium.org
Thanks for the reduced test case, I'll try to look into it tomorrow.

Comment 5 by e...@chromium.org, Mar 14 2017

Status: Available (was: Unconfirmed)
At first I thought this was due to the minAntiAliasSizeForFont hack but Consolas is neither in the minAntiAliasSizeForFont nor the noSubpixelForSmallSizeFont list.

It only happens at a few font sizes, notably at 6, 7, 8, 9, 10, 14, 15, and 16px. 11, 12, and 13px work just fine.

Dominik, any ideas?

Project Member

Comment 6 by sheriffbot@chromium.org, Apr 6 2018

Labels: Hotlist-Recharge-Cold
Status: Untriaged (was: Available)
This issue has been Available for over a year. If it's no longer important or seems unlikely to be fixed, please consider closing it out. If it is important, please re-triage the issue.

Sorry for the inconvenience if the bug really should have been left as Available.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Comment 7 by e...@chromium.org, Apr 11 2018

Owner: drott@chromium.org
Status: Assigned (was: Untriaged)

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