vector graphic thumbnails blurry in dash on high-dpi screen

Bug #1349376 reported by Andreas E.
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Unity
Triaged
Low
Unassigned
unity (Ubuntu)
Confirmed
Low
Unassigned

Bug Description

Thumbnails used in the dash are blurry for small svg images. In contrast to that the previews in the dash are specifically rendered for the dash and show in correct resolution.

Nautilus is setup to display icons in 100% zoom level (default). In Nautilus or on the desktop, svg thumbnails of 24×24px svg images are smaller than the maximum available thumbnail area and are displayed in screen pixels (which is very tiny, could also be a bug).

It appears the Unity dash looks up if a thumbnail exists for a specific file in ~/.cache/thumbnails/normal, chooses that thumbnail and stretches it to the maximum available thumbnail area in the dash.
This makes vector graphics appear like they where raster graphics and look very blurry.

Ubuntu: 14.04
unity: 7.2.2+14.04. amd64

Tags: dash hidpi
Revision history for this message
Andreas E. (andreas-e) wrote :
Revision history for this message
Andreas E. (andreas-e) wrote :
tags: added: hidpi
Changed in unity:
status: New → Triaged
Changed in unity (Ubuntu):
status: New → Confirmed
Andrea Azzarone (azzar1)
tags: added: dash
Changed in unity:
importance: Undecided → Low
Changed in unity (Ubuntu):
importance: Undecided → Low
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