Date: Mon, 18 Oct 1999 22:23:40 +1000 (EST) From: atrn@zeta.org.au To: freebsd-chat@freebsd.org Subject: [keramida@ceid.upatras.gr: Re: printers (was Re: keyboards)] Message-ID: <199910181223.WAA00758@ska.bsn>
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Brian O'Connor wrote: >>> One of the big stumbling blocks is the lack of an abstract printing >>> model for applications. > > er.. I thought thats what postscript was. In a way but as has been pointed out apps specific code to produce the print. The X print server tries to help but the X graphics model isn't the best. It is only recently that Postscript is getting good support for the types of things you want to do in color printing (level 3 has some nice things) but not everyone has that and different Postscript implementations have different bugs and/or behavior which kills a lot of the supposed portability. There are some other issues too which make it less than ideal. People have solved them but it took quite a while (e.g., general N-up printing is theoretically nasty). Postscript gives a little too much freedom. > I thought the postscript ppd model did this, it works well for Irix. It works but PPD was a reaction to a problem. PPD was added when people discovered that portable documents weren't so portable after all -- Chuck Berry lied about the promised land To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message
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