New issue
Advanced search Search tips

Issue 687856 link

Starred by 2 users

Issue metadata

Status: Available
Owner: ----
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 3
Type: Bug

Blocked on:
issue 635619



Sign in to add a comment

Tables: collapsed dotted borders are painted incorrectly

Reported by salagaqw...@gmail.com, Feb 2 2017

Issue description

UserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Example URL:

Steps to reproduce the problem:
1. Open attached file
2. 
3. 

What is the expected behavior?
render border like in other brouser

What went wrong?
border table wrong render if set property border-collapse: collapse. Dotted border is drawn incorrect (with periodically lines - see attached image)

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: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: Shockwave Flash 24.0 r0

 
SampleWrongRender.html
11.3 KB View Download
Chrome_Bug.png
25.0 KB View Download
Components: -Blink Blink>Layout

Comment 2 by e...@chromium.org, Feb 2 2017

Owner: atotic@chromium.org
Status: Assigned (was: Unconfirmed)
Would you mind looking into this Aleks?

Labels: Needs-Bisect Needs-Triage-M56
Blockedon: 635619
Components: -Blink>Layout Blink>Layout>Table
Labels: -Pri-2 Pri-3
Summary: Tables: collapsed dotted borders are painted incorrectly (was: border table wrong render if set property border-collapse: collapse)
This is an old bug, an artifact of the way Chrome paints borders.

I was unable to find matching duplicate, so let this be the canonical "bad dotted borders" bug.

It cannot be sanely fixed in the existing code. Most likely, it will not get
fixed until layoutng. https://crbug.com/635619

The root cause is that we paint each border for each cell separately, even if
the border is set on tbody. The periodicity is caused by each dashed line starting with a long rectangle. 

Fixing "Improve dashed/dotted line drawing"  https://crbug.com/349985  might
improve the appearance.

Labels: -Needs-Bisect -Needs-Triage-M56

Comment 6 by atotic@chromium.org, May 25 2017

Status: Available (was: Assigned)
Project Member

Comment 7 by sheriffbot@chromium.org, May 28 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 8 by atotic@chromium.org, May 28 2018

Status: Available (was: Untriaged)

Comment 9 by atotic@chromium.org, May 28 2018

Cc: atotic@chromium.org
Owner: ----

Sign in to add a comment