/usr/lib/ubiquity/wallpaper does not honour the aspect ratio of wallpaper image

Bug #1207249 reported by Hao-Ran Liu on 2013-08-01
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ubiquity (Ubuntu)

Bug Description


 * Default background during installation is aesthetically unpleasant.

[Test Case]

 * Perform installation / oem-config of a flavour's desktop background aspect ration _not_ matching the screen aspect ratio, e.g. Ubuntu Kylin on a widescreen monitor

 * Make sure the image aspect ration is not distorted.

[Regression Potential]

 * This fix is not part of later release, as ubiquity-wallpaper is no longer used, in favor of Desktop Environment native wallpaper rendering

[Other Info]

Wallpaper is stretched during installation and oem-config with a wide screen monitor.

This bug affects ubiquity in precise. We backported UbuntuKylin Raring to Precise and met this issue. The background image of UbuntuKylin has a logo in the shape of round circle. But it is stretched into an oval.

Related branches

Hao-Ran Liu (hzliu123) on 2013-08-01
tags: added: raring
description: updated
Dimitri John Ledkov (xnox) wrote :

It seems like screen resolution is completely miss-detected, as everything looks stretched (indicators are not square, cd-rom drive picture is not square, UbuntuKylin font doesn't look right)

How was this qemu instance launched? any special screen resolution parameters?

Hao-Ran Liu (hzliu123) on 2013-08-01
tags: added: precise
removed: raring
Hao-Ran Liu (hzliu123) on 2013-08-01
summary: - UbuntuKylin logo is stretched into an oval during installation
+ /usr/lib/ubiquity/wallpaper does not honour the aspect ratio of
+ wallpaper image
Hao-Ran Liu (hzliu123) on 2013-08-01
description: updated
Hao-Ran Liu (hzliu123) wrote :


The previous screenshot is incorrect. This one is captured from virtualbox. UbuntuKylin logo is stretched vertically.

Hao-Ran Liu (hzliu123) wrote :

I have pushed the patch to lp:~hzliu123/ubiquity/fix-stretched-wallpaper.lp1207249 and submitted a merge proposal.

Dimitri John Ledkov (xnox) wrote :

I see, thanks for that. This is weird, as the wallpaper.c app shouldn't be used to display the wallpaper, instead gnome-settings-daemon should be running and showing the wallpaper (and as far as I understand gnome-settings-daemon is available on the default UbuntuKylin install / in the installer).

Hao-Ran Liu (hzliu123) wrote :

This bug only happens when wallpaper.c is used to display the wallpaper. wallpaper.c is used to display the wallpaper in Precise, but not in Raring or UbuntuKylin 13.04.

Hao-Ran Liu (hzliu123) on 2013-08-02
description: updated
Changed in ubiquity (Ubuntu Saucy):
status: New → Won't Fix
Changed in ubiquity (Ubuntu):
status: New → Invalid
Changed in ubiquity (Ubuntu Precise):
status: New → In Progress
importance: Undecided → Low
description: updated

Hello Hao-Ran, or anyone else affected,

Accepted ubiquity into precise-proposed. The package will build now and be available at http://launchpad.net/ubuntu/+source/ubiquity/2.10.29 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-needed to verification-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

Changed in ubiquity (Ubuntu Precise):
status: In Progress → Fix Committed
tags: added: verification-needed
Dimitri John Ledkov (xnox) wrote :

I have cropped background and drew perfect square and circle shapes. The background image was zoomed, but the shapes were not distorted, they stayed as perfect square and circle.

tags: added: verification-done
removed: verification-needed
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package ubiquity - 2.10.29

ubiquity (2.10.29) precise; urgency=low

  [ Dimitri John Ledkov ]
  * Show labels in automatic side-by-side installation. Fixed by removing
    all cairo styling from partition boxes in automatic partitioning,
    instead use simple bg styling. (LP: #947107, #1240532)
  * Automatic update of included source packages: grub-installer

  [ Brian Murray ]
  * Use the apt cache with with so that we close the cache when we are done
    with it. (LP: #1051935)

  [ Hao-Ran Liu (Joseph Liu) ]
  * src/wallpaper/wallpaper.c: Cropping wallpaper image instead of
    stretching it if image's aspect ratio doesn't match monitor's aspect
    ratio (LP: #1207249)

  [ Colin Watson ]
  * Update translations from Launchpad.
 -- Dimitri John Ledkov <email address hidden> Wed, 22 Jan 2014 14:35:56 +0000

Changed in ubiquity (Ubuntu Precise):
status: Fix Committed → Fix Released

The verification of the Stable Release Update for ubiquity has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regresssions.

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