[Bug 738264] New: LiberationMono have different metrics for different styles
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Wed Sep 14 12:38:13 UTC 2011
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Summary: LiberationMono have different metrics for different styles
https://bugzilla.redhat.com/show_bug.cgi?id=738264
Summary: LiberationMono have different metrics for different
styles
Product: Fedora
Version: 15
Platform: Unspecified
OS/Version: Unspecified
Status: NEW
Severity: unspecified
Priority: unspecified
Component: liberation-fonts
AssignedTo: psatpute at redhat.com
ReportedBy: rkagan at mail.ru
QAContact: extras-qa at fedoraproject.org
CC: petersen at redhat.com,
fonts-bugs at lists.fedoraproject.org,
psatpute at redhat.com, i18n-bugs at lists.fedoraproject.org
Classification: Fedora
Story Points: ---
Type: ---
Description of problem:
LiberationMono Bold and Italic fonts have metrics different from Regular and
BoldItalic. This results in various artifacts, e.g. misaligned bold text in
xterm or gnome-terminal at certain resolution and font size.
Version-Release number of selected component (if applicable):
liberation-mono-fonts-1.07.0-1.fc15.noarch
How reproducible:
100%
Steps to Reproduce:
1. using freetype-demos package:
# for f in /usr/share/fonts/liberation/LiberationMono-*; do
ftdump $f | grep -e postscript -e ascent -e descent
done
postscript: LiberationMono-BoldItalic
ascent: 1705
descent: -615
postscript: LiberationMono-Bold
ascent: 1707
descent: -615
postscript: LiberationMono-Italic
ascent: 1707
descent: -615
postscript: LiberationMono
ascent: 1705
descent: -615
Actual results:
ascent for different styles is different. As a result, at 106 dpi at size 10
pt the rounded ascent is different, too. This makes bold characters misaligned
in xterm and gnome-terminal (when used with freetype-2.4.6)
Expected results:
all metrics are the same
Additional info:
Full details are available in freetype bug
https://savannah.nongnu.org/bugs/index.php?34156.
version 1.06 didn't have this problem. It looks like it's due to the changes
introduced to fix bug 591559.
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