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Issue 800295 link

Starred by 2 users
Status: Duplicate
Merged: issue 798627
Owner:
█ trchen@chromium.org
Last visit > 30 days ago
Closed: Mar 2018
Cc:
█ trchen@chromium.org
pdr@chromium.org
█ sc00335...@techmahindra.com
chrishtr@chromium.org
style-bugs@google.com
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 2
Type: Bug-Regression



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Image with opacity in container with flex center and odd width has 1px cutoff

Reported by jacko...@gmail.com, Jan 9 2018 
UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36

Steps to reproduce the problem:
1. Re-create the HTML/CSS: https://codepen.io/jackocnr/pen/opEYZQ
2. View the rendered result
3. 

What is the expected behavior?
Image renders correctly

What went wrong?
Image is cut off by 1px on the right

Did this work before? N/A 

Does this work in other browsers? Yes

Chrome version: 63.0.3239.132  Channel: stable
OS Version: OS X 10.13.2
Flash Version: 

Tested on Chrome on retina screen (macbook pro). Works fine on Firefox and Safari.

Problem originally noticed with an animated SVG: https://codepen.io/jackocnr/pen/KZQazo
test.html
189 bytes View Download

Comment 1 by meade@chromium.org, Jan 10 2018

Labels: Needs-Bisect
I was able to confirm that this occurs on Chrome 64.0.3282.71 and Chrome Canary 65.0.3316.0 on my Macbook pro.

It did not occur on Chrome 63.0.3239.132 on Linux, or on Chrome 63.0.3239.132 or Chrome Canary 65.0.3316.2 on Windows.

Requesting a bisect to check if this is a regression.

Comment 2 by meade@chromium.org, Jan 10 2018

Status: Untriaged (was: Unconfirmed)

Comment 3 by sc00335...@techmahindra.com, Jan 10 2018

Cc: sc00335...@techmahindra.com
Components: Internals>Compositing
Labels: -Type-Bug -Pri-2 -Needs-Bisect hasbisect-per-revision RegressedIn-62 Triaged-ET M-65 FoundIn-64 FoundIn-65 FoundIn-63 Needs-Triage-M63 Pri-1 Type-Bug-Regression
Owner: enne@chromium.org
Status: Assigned (was: Untriaged)
Able to reproduce this issue on reported version 63.0.3239.132 and on latest canary 65.0.3116.0 using Mac 10.13.1 Macbook Pro.

Issue is not seen in Macbook Air, Ubuntu 14.04 , Windows 10 

Good Build: 62.0.3176.0
Bad Build: 62.0.3177.0

You are probably looking for a change made after 491914 (known good), but no later than 491915 (first known bad).
CHANGELOG URL:
 https://chromium.googlesource.com/chromium/src/+log/29eff3ab49027f70d179c783247568a3ffaacdac..e3d9eee91f3dfe5503bde5f3f4fc776e1552f857

Reviewed-on: https://chromium-review.googlesource.com/596503

Suspecting same from changelog.

@enne: Please confirm the bug and help in re-assigning if it is not related to your change.

Thanks!

Comment 4 by enne@chromium.org, Jan 10 2018

Cc: pdr@chromium.org trchen@chromium.org
Labels: -Pri-1 Pri-2
Owner: chrishtr@chromium.org
chrishtr: can you triage?

This looks like the CompositingDisplayitem bounds are incorrect (maybe on retina only?) and so they are clipping the image.  These bounds are coming from paint code.

Comment 5 by trchen@chromium.org, Jan 10 2018

Cc: chrishtr@chromium.org
Owner: trchen@chromium.org
This feels very similar to  crbug.com/798627  . Investigating.

Comment 6 by trchen@chromium.org, Mar 17 2018

Mergedinto: 798627
Status: Duplicate (was: Assigned)
►

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