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Qt-interest Archive, January 2008
QT4 fonts X11 hinting and listing problems

• Subject: QT4 fonts X11 hinting and listing problems
• From: M G Berberich <berberic@xxxxxxxxxxxxxxxxx>
• Date: Sat, 12 Jan 2008 13:30:32 +0100
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• Resent-date: Sat, 12 Jan 2008 13:33:47 +0100
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Hello,

I have severe problems with font-handling in Qt4/X11:

â Hinting/Antialiasing does not work correct. 
  With newer libfreetypes QT4 ignores the lcdfilter = legacy setting,
  while QT3 and GTK+ behave correctly.
  With older libfreetypes, which do not have this option, Qt4
  nonetheless manages to break font-display.

  please see http://www.forwiss.uni-passau.de/~berberic/QT3-4-font.png

â QT4 (QT3 too) is unable to show all fonts. P.e. I have:

  > fc-list Sunset
  Sunset:style=MediumItalic,Italic
  Sunset:style=Bold
  Sunset:style=Medium,Regular
  Sunset,Sunset\-Demi:style=Demi,Regular
  Sunset:style=BoldItalic
  Sunset,Sunset\-Light:style=Light,Regular
  Sunset,Sunset\-Light:style=LightItalic,Italic
  Sunset,Sunset\-Demi:style=DemiItalic,Italic

  QT only shows 4 (Normal, Oblique, Bold, Bold Oblique) and does not
  even get these 4 right because it offers âSunset-Demiâ as Normal and
  âSunset-DemiItalicâ as Oblique.

So Qt4s overall perfomance concerning font-handling is lousy.

	MfG
	bmg

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