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Re: [tor-bugs] #32253 [Applications/Tor Browser]: Zooming and letterboxing

#32253: Zooming and letterboxing
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 Reporter:  cypherpunks                    |          Owner:  tbb-team
     Type:  defect                         |         Status:  new
 Priority:  Medium                         |      Milestone:
Component:  Applications/Tor Browser       |        Version:
 Severity:  Normal                         |     Resolution:
 Keywords:  tbb-fingerprinting-resolution  |  Actual Points:
Parent ID:                                 |         Points:
 Reviewer:                                 |        Sponsor:
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Comment (by Thorin):

 Replying to [comment:5 cypherpunks]:
 > Zooming should be handled

 There is no entropy here that zoom itself (and other elements) doesn't
 already give away.

 Zoom increases entropy - that's why RFP disables site specific zoom
 settings from being retained, and zoom is limited to the current tab. New
 tabs always reset to 100%.

 example A
 - page is `1000x1000` at 150%
 - you zoom to 120%
 - the metrics now show `677x677`
 - lots of other measurements have also changed

 example B
 - page is `1000x1000` at 150%
 - you zoom to 120%
 - letterboxing magic resizes the display content to `600x600`
 - the metrics now show `600x600`
 - lots of other measurements have also changed and are not altered by
 letterboxing

 What have you achieved by tying zoom to letterboxing? Have I missed
 something?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32253#comment:7>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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