Re: Why does a font need an Encoding vector?

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#3520

From: Amanda Walker
Date: Thu, 01 Nov 1990 18:15

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In article <1990Oct31.225607.10364@phri.nyu.edu>
roy@alanine.phri.nyu.edu (Roy Smith) writes:
>
>	The Red Book says that the Encoding vector is a required item for
>all fonts.  Why?  Is there some bit of internal PS font machinery that uses
>it?

Yup: the font cache.  Character bitmaps are stored by name, not by character
code.  I once had a LaserWriter crash with a fatal system error by sending
it a font that didn't have an encoding vector...

-- 
Amanda Walker						      amanda@visix.com
Visix Software Inc.					...!uunet!visix!amanda
--
Marching to a different kettle of fish.

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!hellgate.utah.edu!caen!uakari.primate.wisc.edu!sdd.hp.com!elroy.jpl.nasa.gov!lll-winken!uunet!visix!amanda
From: amanda@visix.com (Amanda Walker)
Newsgroups: comp.lang.postscript
Subject: Re: Why does a font need an Encoding vector?
Message-ID: <ttazromgua@visix.com>
Date: 1 Nov 90 18:15:09 GMT
References: <1990Oct31.225607.10364@phri.nyu.edu>
Organization: Visix Software Inc., Reston, VA
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