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From: piyush@applix.com (Piyush Jain [ext 250])
Newsgroups: comp.lang.postscript
Subject: Re: reading image data
Message-ID: <1172@applix.com>
Date: 27 Mar 91 15:34:25 GMT
Article-I.D.: applix.1172
References: <1991Mar21.021614.7445@watdragon.waterloo.edu>
Distribution: na
Organization: APPLiX Inc., Westboro, MA
Lines: 17

From article <1991Mar21.021614.7445@watdragon.waterloo.edu>, by acli@dahlia.uwaterloo.ca (Ambrose):
>>I've got a file that makes the printer execute all kinds of funky 
>>arctangents and curvetos to produce the exact same image over and over
> 
> The best way to do it is to create a type 3 font and let the font machinery
> do the job. According to the green book (PostScript language program design)
> [p.145], this will be *extremely* fast if the image can fit into the font
> cache.
> 

True, font-caching can be really fast.  However, I've had cases where printing
Type 3 fonts through a non-rectangular clip can take *forever*, many times even
longer than the regular method (that is, when it is not defined as a font).

--
Piyush Jain
piyush@applix.com