Path: utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!usc!apple!well!jef
From: jef@well.sf.ca.us (Jef Poskanzer)
Newsgroups: comp.lang.postscript
Subject: Re: Variable characters
Message-ID: <21633@well.sf.ca.us>
Date: 13 Nov 90 07:57:14 GMT
References: <21630@well.sf.ca.us>
Reply-To: Jef Poskanzer <jef@well.sf.ca.us>
Organization: Paratheo-Anametamystikhood Of Eris Esoteric, Ada Lovelace Cabal
Lines: 16

In the referenced message, shiva@well.sf.ca.us (Kenneth Porter) wrote:
}fontscale = 1
}do {
}  calculate character bbox
}  fontscale = fontscale * desired_bbox / calculated_bbox
}} while abs(desired_bbox-calculated_bbox) > acceptable_error

That's an excellent idea, except for one thing: if you want precisely-sized
characters that are BIG, you'll get a limitcheck.  I think you have to
add in some code to put a cap on the trial font scale, and then run some
tests to find a good value for the cap.
---
Jef

  Jef Poskanzer  jef@well.sf.ca.us  {ucbvax, apple, hplabs}!well!jef
         A professor is one who talks in someone else's sleep.