Star Micronics 4 Printer User Manual


 
Theohasbeenkerned
Thefont height(24 points)is measured
closerto th-
f.
from scenderto descender.
I
4
A font is a complete set of
Ascender
-
characters in a particular
Descender
1
size and type[ ace.
Baseline
Uu
Proportional
Swif
spacing
L;adingis tho
baselineto baseline
m~asuremcnt.
3.1.3 Font spacingandpitch
You probablyfirst heard the wordpitch in connectionwith typewriters.
Typewntersnonnallyusemonospacedspacing:theygiveeachcharacterthe
sameamountof spaceon theline.
Abouthalfthefontsavailableforlaserprintersusemonospacedspacingtoo.
Pitch is alwaysexpressedas so many charactersper inch.Ten-pitch,for
example,meansa fontwithten charactersin eachinchof the line.
Typesetter forcenturieshaveusedtwospecialsizesoftypeformosttext.
EZitecharactersareIOpointshighand print12charactemperinch.Andpica
chararactersare 12 pointshigh and pitchedat 10 charactersto the inch.
You’lloften run acrossthesemonospacedfont sizes in the laser printing
world.
Ideallyeachcharacterinawordshouldnestleagainstitsneighbors sothey
appearevenlyspaced.Butadjacentroundcharactersare aptto looktoo far
apafi,whileflat-sidedcharactersmay appeartoo close.
Proportionalspacingtakes into accountthe differencesin widthsamong
letters(compareiiwithWW).Proportionallyspacedprintingiseasiertoread
than typewriter-styleprintingin which all characters,includingpunctua-
tion,havethe samewidth.
Realtypesettersequipcertaincharactemwithkerns,letterpans thatextend
out to overlapadjoiningletters.In this word Typethey is kernedclosely
againstthe T. Kerningseparatesgreattypefromgoodtype.
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