December 2008
Intermediate to advanced
912 pages
33h 22m
English
Content preview from CJKV Information Processing, 2nd Edition
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Chapter 6: Font Formats, Glyph Sets, and Font Tools
Composite fonts
e very rst composite fonts oered by Adobe Systems are now referred to as Original
Composite Format (OCF) fonts.
*
Adobe Systems produced OCF fonts only for Japanese—
Chinese and Korean fonts oered by Adobe Systems were originally available only in
the newer CID-keyed font le specication.
†
Interestingly, the actual charstrings (that is,
outlines) of OCF fonts and CID-keyed fonts are identical, including their hinting. e
CID-keyed font le specication uses a much more compact and ecient packag-
ing mechanism and le structure and is highly extensible when it comes to supporting
additional or complex encodings.
PostScript CJKV fonts are implemented as collections of composite fonts that support
various character sets and encoding methods. ey also have special naming conventions
not found in other fonts oered by Adobe Systems. A fully qualied PostScript CJKV font
name consists of several parts: family name, face name (usually indicating the weight or
other characteristic that distinguishes it from other members of the same typeface fam-
ily), character set, encoding, and writing direction. e combination of family name and
face name represents the base font name. Table 6-9 shows possible values for each of these
parts (using examples from now-obsolete OCF fonts).
PostScript CJKV font naming ...
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