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Issue 672373 link

Starred by 1 user
Status: Duplicate
Merged: issue 608455
Owner:
mcnee@chromium.org
Closed: Dec 2016
Cc:
wjmaclean@chromium.org
nyerramilli@chromium.org
mcnee@chromium.org
█ msrchandra@chromium.org
█ ranjitkan@chromium.org
dsinclair@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 1
Type: Bug-Regression



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Regression:Resizing of the page does not appear smooth for pdf file.

Reported by adha...@etouch.net, Dec 8 2016 
Chrome Version:57.0.2944.0 (Official Build) bb1ac197d94d071514695c0f23854881db26f012-refs/heads/master@{#436816}(32/64-bit)
OS: Mac (10.10.5)(10.11.5), Windows (7,8,8.1,10), Linux(14.04 LTS)

What steps will reproduce the problem?
(1)Launch chrome and navigate to embedded pdf  https://msu.edu/~urban/sme865/resources/embedded_pdf.html
(2)Now zoom in and zoom out once using the page using 'Ctrl+' and 'Ctrl-'.(Kindly refer the video)
(3)Observe.

Actual:Resizing of the pdf page does not appear smooth.i.e appears shaky.

Expected:Resizing of the pdf page should be smooth.

This is a Regression issue broken in M-57,will soon update other info.

Good build:57.0.2943.0
Bad build:57.0.2944.0
Actual result.mp4
1.4 MB View Download
Expected result.mp4
676 KB View Download

Comment 1 by adha...@etouch.net, Dec 8 2016

Labels: hasbisect
Owner: mcnee@chromium.org
Status: Assigned (was: Unconfirmed)
Narrow bisect info:
https://chromium.googlesource.com/chromium/src/+log/dcabe3a6d92c6410da0469c2fb02a6b0fd1fe939..49bcb723fd4305c26c4013f209315ddd35e8c9dc?pretty=fuller&n=100

Suspecting:r436695?

Kindly help to re-assign if your change is not the cause for this issue.

Note:Above issue is reproducible on latest canary version i.e 57.0.2945.0

Comment 2 by wjmaclean@chromium.org, Dec 8 2016

Cc: wjmaclean@chromium.org
I'm not sure this is really a new issue ... it mey be a dup of https://bugs.chromium.org/p/chromium/issues/detail?id=608455, though we'll triage it a bit further to see.

Comment 3 by mcnee@chromium.org, Dec 8 2016 

This has to do with the pdf viewer not zooming at the same time as the embedding page. This was the case before my change.

For example, on stable, if you select fit-to-page (or fit-to-width) on the pdf viewer and then zoom with Ctrl+/- you see a similar effect. Similarly, if you zoom out the pdf with its controls so that the content width is less than the viewer's width and then zoom with Ctrl+/- you can see a delay in the change of the offset of the content.

Since my change now has the pdf zoom change whenever the embedding page is zoomed, you see the effect even when not using fit-to-X on an embedded pdf.

Comment 4 by wjmaclean@chromium.org, Dec 13 2016

Mergedinto: 608455
Status: Duplicate (was: Assigned)
Given that this bug seems to be another manifestation of 608455, which is still open, we'll mark this as a duplicate.

Comment 5 by mcnee@chromium.org, Jan 23 2017

Cc: msrchandra@chromium.org dsinclair@chromium.org mcnee@chromium.org
 Issue 681798  has been merged into this issue.
►

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