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[Bug 554935] Re: fontconfig corrupted fonts

 

this bug seems to be related too:
https://bugreports.qt.io/browse/QTBUG-27106

see
http://askubuntu.com/questions/285862/qt5-font-rendering-in-ubuntu-13-04/606964#606964

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https://bugs.launchpad.net/bugs/554935

Title:
  fontconfig corrupted fonts

Status in fontconfig package in Ubuntu:
  New

Bug description:
  Binary package hint: fontconfig

  This was initially reported as a KDE bug, but it was later determined to be a fontconfig bug.
  See -> https://bugs.kde.org/show_bug.cgi?id=233187 for origional bug report 
  Fontconfig version :2.8.0

  The Antialiasing settings in System Settings-> Appearance -> Fonts
  can cause font corruption, depending on the settings.

  It occurs randomly, only for that particular character on that screen.
  By character, I mean that for example, all "Y"s that are in the application are
  corrupted.

  This occurs if the antialiasing settings are set to "enbled" and with the
  following combinations of settings

  
  SubPixel Rendering: RGB      | Hinting Style: None
  SubPixel Rendering: RGB      | Hinting Style: Slight
  SubPixel Rendering: RGB      | Hinting Style: Medium
  SubPixel Rendering: RGB      | Hinting Style: Full
  SubPixel Rendering: Disabled | Hinting Style: Medium
  SubPixel Rendering: Disabled | Hinting Style: Full

  and does not occur with

  SubPixel Rendering: Disabled | Hinting Style: None
  SubPixel Rendering: Disabled | Hinting Style: Slight

  Ive taken a screenshot, so please take a look ->
  http://img52.imageshack.us/img52/7463/snapshot1x.png

  This occurs only in Lucid

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