[Bug 1382291] Re: Account creation during first boot of an OEM image needs to scale based on resolution

[Shih-Yuan Lee]

There is a criterion to detect HiDPI for gtk/gnome based UI.

"GNOME currently enables hi-dpi support when the screen resolution is at
least 192 dpi and the screen height (in device pixels) is at least
1200." excerpt from https://wiki.gnome.org/HowDoI/HiDpi.

I made a little script at
https://github.com/fourdollars/scripts/blob/master/ubuntu/desktop-auto-
scaliing.py able to be referred to.

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https://bugs.launchpad.net/bugs/1382291

Title:
  Account creation during first boot of an OEM image needs to scale
  based on resolution

Status in OEM Priority Project:
  Confirmed
Status in “ubiquity” package in Ubuntu:
  New
Status in “ubiquity” source package in Trusty:
  New

Bug description:
  In HiDPI screens, the OOBE for OEM images is not ideal.

  The new gSettings to scale GTK applications (and their corresponding
  settings in System Settings) work great, but this does not help for
  the account creation (first boot) for users buying a pre-install
  system.

  We would need changes in Ubiquity to:

   * Probe the monitor to get resolution information
   * Re-scale the ubiquity window using the corresponding gsetting (com.ubuntu.user-interface scale-factor) based on resolution

  We would need the changes to be backported to Trusty as well.

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