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Issue metadata

Status: WontFix
Owner: ----
Closed: Aug 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug



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Big characters displayed in Canary (Windows 10)

Reported by pcha...@gmail.com, Jul 24 2016

Issue description

Chrome Version       : 54.0.2805.0 canary (64-bit)
URLs (if applicable) : Whatever
Other browsers tested: Version 52.0.2743.82 m (64-bit)
  Add OK or FAIL, along with the version, after other browsers where you
have tested this issue: others: OK
     Safari:
    Firefox:
         IE:

What steps will reproduce the problem?
(1) With Canary, open whatever link
(2)
(3)

What is the expected result?
Normal size

What happens instead?
Very big characters

Please provide any additional information below. Attach a screenshot if
possible.
Screenshots : canary and stable : compare
Pb provisionally fixed adding these parameters to the commande line

/high-dpi-support=1 /force-device-scale-factor=1

 
Size-canary.jpg
147 KB View Download
Size-stable.png
136 KB View Download

Comment 1 by pcha...@gmail.com, Jul 24 2016

Remarks : Blink version is no longer displayed in about:version


About-version.JPG
60.0 KB View Download

Comment 2 by ajha@chromium.org, Jul 25 2016

Cc: ajha@chromium.org
Components: Blink>Fonts
Labels: Needs-Feedback
Works fine for me on Windows-10, latest canary(54.0.2805.0). Fonts are rendered fine @ device-pixel-ratio of 1/1.5/2.5.

pchazal@: Could you please check this in new user profile or in profile without any extensions and all the flags reset to default. Please update the observation here.

Comment 3 by pcha...@gmail.com, Jul 25 2016

Absolutely the same with the new version and a new profile without extensions

Screenshots :
(1) stable version to compare
(2) and (3) Canary new version
(4) Canary new version with a new profile without extensions

This bug is a recurrent one and it occurs several times and not only with Canary
Cf here

http://superuser.com/questions/803601/text-size-suddenly-got-bigger-on-all-sites-on-google-chrome

And I repeat this known bug can be provisionally fixed adding
/high-dpi-support=1 /force-device-scale-factor=1
to the commande line in the icon (or a copy of the icon)





Size-canary-new1.jpg
144 KB View Download
Size-canary-new2.jpg
103 KB View Download
Size-canary-new2-new-profile-without-extensions.jpg
88.8 KB View Download

Comment 4 by pcha...@gmail.com, Jul 25 2016

it "occured" several times, sorry

Comment 5 Deleted

Comment 6 by pcha...@gmail.com, Jul 25 2016

I forgot the stable, sorry
Size-stable.png
136 KB View Download
Size-stable-1.JPG
93.4 KB View Download
Project Member

Comment 7 by sheriffbot@chromium.org, Jul 25 2016

Labels: -Needs-Feedback Needs-Review
Owner: ajha@chromium.org
Thank you for providing more feedback. Adding requester "ajha@chromium.org" for another review and adding "Needs-Review" label for tracking.

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

Comment 8 by pcha...@gmail.com, Jul 25 2016

Thanks to you !

Comment 9 by e...@chromium.org, Jul 25 2016

Components: -Blink>Fonts UI>Browser
This is about the UI being larger (see screenshot in original report) not the fonts on the page itself. As for the screenshots in comment 6 the "size-stable-1.JPG" image is zoomed in (browser zoom).

Comment 10 by pcha...@gmail.com, Jul 26 2016

I repeat the examples : in both cases, the zoom is 1
Canary and stable
New-canary.JPG
168 KB View Download
New-stable.JPG
149 KB View Download

Comment 11 by pcha...@gmail.com, Jul 26 2016

And I agree for UI

Comment 12 by pcha...@gmail.com, Jul 26 2016

Another example : in both cases, the zoom is 1
New-canary-Google.JPG
94.0 KB View Download
New-stable-Google.JPG
85.6 KB View Download

Comment 13 by pcha...@gmail.com, Jul 29 2016

Currently (Version 54.0.2811.0 canary (64-bit)) the effect of 
/high-dpi-support=1 /force-device-scale-factor=1
is : blank (or if you prefer, black) window !
Cf screenshot
Size-canary-new3.jpg
42.4 KB View Download

Comment 14 by ajha@chromium.org, Aug 4 2016

Labels: -Needs-Review Needs-Feedback
Owner: ----
Could you please update here your system details where you are seeing this and confirm if the issue is seen on localized OS or Windows english version.

Comment 15 by pcha...@gmail.com, Aug 4 2016

It is seen in my version, the last one, cf screenshot
I have a system resolution of 125% but in Windows 10 I can no longer modify it (or I don't know how)
What do you call "localized OS" ?
Version-Windows.JPG
51.5 KB View Download

Comment 16 by pcha...@gmail.com, Aug 4 2016

Personnalisation.JPG
85.0 KB View Download
Cc: jsc...@chromium.org bsep@chromium.org scottmg@chromium.org
Components: Internals>PlatformIntegration
Labels: -Pri-3 OS-Windows Pri-2
Was reported on #chromium too.

Looks like we got rid of the special case for 125 recently. https://chromium.googlesource.com/chromium/src.git/+/9ab8b8c345e668ae0932c162810604ea4eb7bc42 (and  issue 410696 ).

Comment 19 by bsep@chromium.org, Aug 4 2016

Status: WontFix (was: Unconfirmed)
This is intended when the device scale is 125% (previously Chrome would be drawn at 100% regardless). If you would like you change your device scale in Windows 10 please go to Start>Settings>System>Display and modify the slider. Please note that you may need to log out or restart your computer after modifying that setting.

Comment 20 by pcha...@gmail.com, Aug 4 2016

Ah OK...
Thks for explanation
I have changed the scale from 125% to 100% and logged off and on again, everything was smaller but Chromium (54.0.2819.0) was *still* *bigger* than usual. I compared with version 45.0.*.0 but forgot to take a screenshot.

I am also on a localized version Windows, but Windows 7.

Please tell me if you want me to:
1 - bisect on 100% DPI scale
2 - bisect on 125% DPI scale
3 - Take a screenshot at 100% DPI scale
4 - Take a screenshot at 125% DPI scale

Regards,
LLoyd

Comment 22 by pcha...@gmail.com, Aug 5 2016

I have just verified : with scale = 100% Canary and stable are identical
Attachment : method to adjust the scale with config panel which still exists...

Affichage.JPG
128 KB View Download

Comment 23 by pcha...@gmail.com, Aug 5 2016

(the session must be closed and re-open, not Windows)
pcha...@gmail.com, can you please give me the exact version number? I don't have stable/canary in Chromium so I can't know what you are testing with...

Also, what do you mean by "not Windows"?

Regards,
LLoyd

Comment 25 by pcha...@gmail.com, Aug 5 2016

I mean : when you change the scale, you must reboot only he session (the user), not the system.
Canary = Google Chrome	54.0.2820.0 (Build officiel) canary (64 bits)
Révision	41f9e395f017af1d8c3c2b51f13e404445ba5f07-refs/heads/master@{#409955}

Stable = Google Chrome	52.0.2743.82 (Build officiel) m (64 bits)
Révision	49721773c8dd62828e471ca69e2c89767f98c690-refs/branch-heads/2743@{#670}

Comment 26 by pcha...@gmail.com, Aug 6 2016

A detail about Chromium : in my Linux distribution, Manjaro (like in the others), there is a Chromium with (among others) the Chrome stable version. These Chromium are maintained and modified by the distribution and I don't know if the security fixes are incorporated as in stable Chrome
In Windows, there was a "continuous" channel but it no longer exists (last update in March). Only the "Snapshot" channel remains.
Anyway, nowadays, Windows 10 blocks the execution of mini_installer.exe

Comment 27 by pcha...@gmail.com, Aug 10 2016

Hello
Isn't there an "about:flags" parameter to enable/disable this ?
I have updated to Chromium 54.0.2828.0 (from 54.0.2819.0) and the issue I mentioned in Comment #21 has been fixed.

pcha...@gmail.com no, I've read the commit diff, and there is no flag to prevent this. I would recommend going back to a 100% DPI as higher values are meant for people who actually want bigger "everything".
Alternatively, you could create a flag for this yourself... or simply a fork (checkout master, revert 9ab8b8c345e668ae0932c162810604ea4eb7bc42, build).

Important to note is that the design changed (since 45.0.*) and we now have a few pixels less to display the page contents (see attached screenshots).
45.0.2428.0.jpg
128 KB View Download
54.0.2828.0.jpg
131 KB View Download

Comment 29 by pcha...@gmail.com, Aug 12 2016

Thks but I keep my 125% : now I have the explanation and I corrected my zoom
Remarks : there is no longer (or nearly) any difference between Chrome and FF interface ! 
pcha...@gmail.com, how did you correct your zoom?
The inverse of 125% is 80% and you can only set your default zoom to 75% or 90%...

I modified the settings page HTML to add the 80% value to the dropdown list and it worked, but I wonder if there is another way... I'll see if I keep this 125%+80% combo or not because it will definitely cause problems: the drawings will be big and then we will zoom out, so it is bound to cause display glitches, see for example the attached dropdown menu screenshot which is missing its right 1px-wide border...

Regards,
LLoyd
page zoom and dropdown glitch.jpg
46.4 KB View Download

Comment 31 by pcha...@gmail.com, Aug 12 2016

My zooms : they are customizable site by site

Ctrl - (smaller) : repeat until you have the good size
(Ctrl + (bigger))

I "adapted Chrome to the adaptation". Before, it was not sensible to the scale (here 125%) now it is. So I had to re-do the zooms

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