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XFree86 Technical Conference — Abstract
Font Subsetting and Downloading in the PostScript Printer Driver of Qt/X11
Sivan Toledo, School of Computer Science, Tel-Aviv University and Lars Knoll, Trolltech AS
Abstract
This paper describes the font discovery, subset-ting,
and downloading mechanism in Qt/X11. The
mechanism addresses a major usability issue: prior
to the implementation of this mechanism, users of
Qt applications (and hence users of KDE) could
not print non-Latin text, and could only print Latin
text in fonts that are built into most printers. The
new mechanism allows users to print text in any
script that Qt/X11 supports, which includes west-ern
scripts (primarily Latin, Cyrillic, and Greek),
Arabic, Hebrew, and east-Asian scripts. The new
mechanism also allows users to print Latin text us-ing
almost any PostScript Type 1 or TrueType font
that X11 supports. The mechanism usually finds
font files without any configuration beyond that re-quired
to use the fonts under X11.
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