https://bugzilla.redhat.com/show_bug.cgi?id=1646688
Bug ID: 1646688
Summary: bad hinting instructions from bug in ttfautohint
Product: Fedora
Version: 29
Component: lohit-devanagari-fonts
Assignee: petersen(a)redhat.com
Reporter: htl10(a)users.sourceforge.net
QA Contact: extras-qa(a)fedoraproject.org
CC: extras-qa(a)fedoraproject.org,
fonts-bugs(a)lists.fedoraproject.org,
i18n-bugs(a)lists.fedoraproject.org, i(a)cicku.me,
petersen(a)redhat.com, psatpute(a)redhat.com,
sshedmak(a)redhat.com, yselkowi(a)redhat.com
You will need to use a bug-fixed ttfautohint to re-generate the lohit
devanagari font.
Version affected:
lohit-devanagari-fonts-2.95.4-5.fc29.noarch
+++ This bug was initially created as a clone of Bug #1646687 +++
Description of problem:
This was discussed in freetype-devel for much of early October under the thread
"rendering issues with xpdf (and other viewers)".
upstream patch (this was applied after 1.8.2) - you will need to push this to
all the fonts affected - in particular,
lohit-devanagari-fonts-2.95.4-5.fc29.noarch
commit f18b7c859c92111446ca991743dd709e347d0301 (HEAD -> master, origin/master,
origin/HEAD)
Author: Werner Lemberg <wl(a)gnu.org>
Date: Sat Oct 6 09:04:35 2018 +0200
tafpgm.c: Fix stem width offset handling in storage area.
Problem reported by Hin-Tak Leung <htl10(a)users.sourceforge.net>.
Version-Release number of selected component (if applicable):
ttfautohint-1.8.1-4.fc29.x86_64
How reproducible:
Always
Steps to Reproduce:
1. "ftview 53 /usr/share/fonts/lohit-devanagari/Lohit-Devanagari.ttf"
2. navigate to glyph idx 472 with F9/F10/F11/F12
3. use up/down arrow key to see that the circular ring of 12 dots disappears
and becomes 3 dots, etc.
Actual results:
3 dots and fewer than 12 dots for many sizes below about 60.
Expected results:
12 dots for idx 472 at all sizes.
Additional info:
This was discussed on freetype-devel for much of early October under 'rendering
issues with xpdf (and other viewers)'
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