Article View: comp.lang.postscript
Article #1022Re: Building A PostScript Toolset
From: C.E. Thompson
Date: Thu, 07 Sep 1989 10:59
Date: Thu, 07 Sep 1989 10:59
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1411 bytes
In article <653@windy.dsir.govt.nz> SRWMCLN@windy.dsir.govt.nz (Clive Nicolson) writes:
>Your third version of the "create dictionary once" problem seems to be trying
>to "put" into a readonly array (procedure), you might known how to do this when
>the memory protection is off on one of your PostScript interpreters, but I
>dont know how to do it other than by something like:
>
>/procname [/READONLY .....] .... put cvx def
Procedures created by {...} are readonly only if there has been a
previous "true setpacking". I suppose that there ought to be code like
the following round the example:
systemdict /setpacking known
{/savepacking currentpacking def false setpacking} if
....
systemdict /setpacking known
{savepacking setpacking} if
I think that the version using "cvx" is probably cleaner, though!
Chris Thompson (cet1@uk.ac.cam.phx)
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.csd.uwm.edu!cs.utexas.edu!uunet!mcsun!ukc!cam-cl!cet1 From: cet1@cl.cam.ac.uk (C.E. Thompson) Newsgroups: comp.lang.postscript Subject: Re: Building A PostScript Toolset Message-ID: <882@scaup.cl.cam.ac.uk> Date: 7 Sep 89 10:59:20 GMT References: <1989Aug30.184607.21647@agate.uucp> <1139@adobe.UUCP> <653@windy.dsir.govt.nz> Sender: news@cl.cam.ac.uk Reply-To: cet1@cl.cam.ac.uk (C.E. Thompson) Organization: U of Cambridge Comp Lab, UK Lines: 21