X Font name FIELDS
Most X fonts have a 14-field name in the form:
-foundry-family-weight-slant-setwidth-style-pixelSize-pointSize-\
Xresolution-Yresolution-spacing-averageWidth-registry-encoding
The 14 fields are as follows:
foundry the name or identifier of the digital type foundry
that digitized and supplied the font data.
family a string that identifies the basic typographic style
(e.g., "helvetica", "courier", etc.).
weight a string that identifies the nominal blackness of the
font, according to the FOUNDRY's judgment (e.g.,
"medium", "bold", etc.).
slant a code string that indicates the overall posture of
the typeface design used in the font -- one of the
following:
R Roman upright design
I Italic italic design, slanted clockwise
O Oblique obliqued upright design,
slanted clockwise
setwidth a string that gives the nominal width per horizontal
unit of the font, according to the FOUNDRY's judgment
(e.g., "Normal", "Narrow", "Double Wide").
style a string that identifies additional style information
not captured by other fields, but needed to uniquely
identify the font in the FOUNDRY's judgment (e.g.,
"Serif", "Sans Serif").
pixelSize an unsigned integer-string typographic metric in
device pixels which gives the body size of the font.
pointSize an unsigned integer-string typographic metric in
device-independent units which gives the body size for
which the font was designed.
Xresolution an unsigned integer-string in pixels/dots per inch
(dpi) which gives the horizontal resolution for which
the font was designed.
Yresolution an unsigned integer-string in pixels/dots per inch
(dpi) which gives the vertical resolution for which
the font was designed.
spacing a code-string that indicates the escapement class of
the font -- one of the following:
P Proportional proportional font
M Monospace a font whose logical character
widths are constant, but no
other restrictions apply
C CharCell a monospaced font in which the
glyphs can be modeled as boxes
of identical width and height
with no "ink" outside the box.
averageWidth an unsigned integer-string value giving the unweighted
arithmetic mean width of all glyphs in the font,
measured in 1/10th pixels.
registry a registered name that identifies the registration
authority (i.e. international standards body) that
owns the specified encoding.
encoding a registered name that identifies the coded character
set as defined by the specified registry.
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