** Changed in: freetype (Ubuntu)
Importance: Undecided => Low
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https://bugs.launchpad.net/bugs/1464056
Title:
Some characters are invisible (libreoffice/freetype) - depends on
font-rendering
Status in freetype package in Ubuntu:
Confirmed
Bug description:
Symptom:
Certain characters are not reliably displayed in LibreOffice. Which
character is visible depends on font size, font face, and even mouse-over. It
looks as though about 40% of the letters have been randomly made white-on-white!
(This is really weird to track down, and extremely annoying!)
Debugging:
* I note that this affects LO, but not export to PDF. It also shows up in
Abiword.
* The font needs to be about 18pt or higher to show this, eg Liberation
Sans, 18pt. Font-face doesn't seem to matter.
* Mouse-over the text, or even changing the window size alters which letters
vanish.
Test case (after hours of experimenting):
* Font-rendering: smoothing = None -> triggers this bug.
* Font-rendering: smoothing = Greyscale -> all is well.
I attach some screenshots both ways, to make this clear, showing both LO and
the control panel. Toggling from one setting to the other makes the bug
appear/disappear immediately.
I think the root cause is in libfreetype6, but it might be in Cairo, or
elsewhere.
I'm using Ubuntu Wily-64 (having upgraded today from Vivid which also had the
same bug)
I'm running this under Ubuntu-Mate.
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