Glyphs-Handbook-2013

given typeface. These characteristics are then used to associate
the font with other fonts of similar appearance having
dierent names. […] The Panose values are fully described in
the Panose “greybook” reference, currently owned by
Monotype Imaging. The PANOSE definition contains ten digits
each of which currently describes up to sixteen variations.
Windows uses bFamilyType, bSerifStyle and bProportion in
the font mapper to determine family type. It also uses bProportion
to determine if the font is monospaced. If the font is a
symbol font, the first byte of the PANOSE number (bFamily-
Type) must be set to “pictorial.” ’
postscriptBlueScale see blueScale
postscriptBlueShift see blueShift
postscriptFontName string Name to be used for the FontName field
in Type 1/CFF table. Should be ASCII-only, no whitespace
allowed, e.g., ‘MyFont-Regular’.
postscriptFullName string Name to be used for the FullName field
in Type 1/CFF table.
postscriptUnderlinePosition see underlinePosition
postscriptUnderlineThickness see underlineThickness
preferredFamilyName string Preferred family name. Corresponds
to the OpenType name table name ID 16. ‘For historical
reasons, font families have contained a maximum of four
styles, but font designers may group more than four fonts to
a single family. The Preferred Family allows font designers to
include the preferred family grouping which contains more
than four fonts. This ID is only present if it is dierent
from ID 1’, the Family Name as set in Font Info.
preferredSubfamilyName string Preferred subfamily name.
Corresponds to the OpenType name table name ID 17.
‘Preferred Subfamily; Allows font designers to include the
preferred subfamily grouping that is more descriptive than ID
2. This ID is only present if it is dierent from ID 2 and must
be unique for the the Preferred Family.’
sampleText string Sample text. Corresponds to the OpenType name
text that the designer thinks is the best sample to display the
font in.’
styleMapFamilyName string Family name used for bold, italic, and
bold italic style mapping. You can use this to create subfamilies
within larger font families. ‘Up to four fonts can share the
Font Family name, forming a font style linking group.’ Glyphs
Glyphs Handbook, May 2013 93