[1 mod] 'cd' kerning/tracking does not match surrounding characters in 'Abcdefgh'

Bug #603073 reported by Richard Henry Lee on 2010-07-08
16
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Ubuntu Font Family
Medium
Unassigned

Bug Description

Sample Glyphs:
Abcdefgh

Description:
Ubuntu Sans Bold 10pt; 'cd' hinted kerning/tracking does not match surround characters in 'Abcdefgh'; it visually appears be be 1 pixel narrower.

UA String:
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.3) Gecko/20100423 Ubuntu/10.04 (lucid) Firefox/3.6.3

Changed in ubuntufontbetatesting:
status: New → Confirmed
Paul Sladen (sladen) on 2010-07-08
visibility: private → public

This is using unhinted or psuedo bold.

Changed in ubuntufontbetatesting:
status: Confirmed → Invalid
Paul Sladen (sladen) wrote :

See the attached Openoffice rendering of: "Abcdefgh ---" at 22 pixels/em in the four styles; 'cd' is still there in the Regular, and the sequence 'bc' in the BoldItalic.

At 18 pixels/em 'cd' is under-spaced in Regular, and massively over-spaced in Bold.

Paul Sladen (sladen) wrote :
Changed in ubuntufontbetatesting:
status: Invalid → Confirmed
Paul Sladen (sladen) on 2010-08-18
Changed in ubuntu-font-family:
importance: Undecided → Medium
tags: added: uff-hinting

Paul, I have some doubts about OpenOffice calculations for device metrics. Do you get the same results from other applications at these sizes?

Paul Sladen (sladen) wrote :

Malcolm, Yes. on the web-based font-test I can see spacing issues in the sequence '..bcd..' with Regular at 15,18,28pt (whatever ppm those are...); with Bold particularly at 15,16pt. Italic at 15pt, and Bold Italic at 20,22pt.

Shiraaz Gabru (shiraaz) on 2011-11-27
Changed in ubuntu-font-family:
milestone: none → 0.9x-hinting
Shiraaz Gabru (shiraaz) on 2012-02-09
Changed in ubuntu-font-family:
status: Confirmed → In Progress
status: In Progress → Confirmed
Shiraaz Gabru (shiraaz) on 2012-02-20
Changed in ubuntu-font-family:
status: Confirmed → In Progress
summary: - 'cd' kerning/tracking does not match surround characters in 'Abcdefgh'
+ [1 mod] 'cd' kerning/tracking does not match surrounding characters in
+ 'Abcdefgh'
Changed in ubuntu-font-family:
status: In Progress → Confirmed
status: Confirmed → Triaged
Matthew Paul Thomas (mpt) wrote :

Confirmed still present in 0.80.

tags: added: uff-dmi
To post a comment you must log in.
This report contains Public information  Edit
Everyone can see this information.

Duplicates of this bug

Other bug subscribers