> -----Original Message-----
> From: Sandra Matts [mailto:sandram@boi.hp.com]
> Sent: Thursday, February 17, 2000 1:19 PM
> To: sandra_matts@am.exch.hp.com
> Subject: FW: UPD> further input to font handling
>
>
>
> -----Original Message-----
> From: Sandra Matts [mailto:sandram@boi.hp.com]
> Sent: Wednesday, February 16, 2000 2:02 PM
> To: UPD group
> Subject: RE: UPD> further input to font handling
>
> user defined character sets are limited to 256 characters. It can
> be typical for Asian docs to contain 1000-2000 unique
> characters. Therefore the driver has to maintain a list of font
> descriptor numbers and when it downloads a character, it has
> to search for it in the list of font descriptors. It is not a major
> problem. There are drivers today that manage this. I just
> want to make sure that people realize there some work
> involved in the driver to make it work.
>
> Sandra Matts
>
>
> Sandra Matts
> Engineer Scientist
> Hewlett-Packard
> sandram@boi.hp.com
> 208-396-4755 phone
> Boise, ID 83714
>
>
> -----Original Message-----
> From: owner-upd@pwg.org [mailto:owner-upd@pwg.org]On Behalf Of Norbert
> Schade
> Sent: Monday, February 14, 2000 2:04 PM
> To: UPD group
> Subject: UPD> further input to font handling
>
>
> Having checked user defined character sets in PCL over the week-end I
> think
> this is a good direction to go.
> I explained why a UPD has to have the ability to define and download user
> defined character sets in PostScript (only one character set per font,
> only
> few predefined char sets). So we would add few sections to the driver
> development to extend this functionality to PCL. We can use Unicode in PCL
> character set definitions.
> This would make UPDF practically independent from character sets for
> device
> fonts. It saves time when creating the UPDF font section. It makes the
> font
> description significantly shorter. It may even be more efficient in
> performance.
> I realize that it can happen that we redefine a character set, which was
> already a perfect match as a predefined, in certain cases.
> The only challenge would be to add the necessary functionality for PCL.
> A future switch to direct Unicode support in the PDL would then be little
> more than a finger snip.
>
> I still believe that we need the character set functionality described
> last
> Friday for dynamic character selection additionally, as some fonts may
> come
> with only "almost" perfect match from the font vendor, as some PDL may not
> offer a dynamic user defined character set.
>
> But for PCL 5, PCL 6 and PostScript this will make our life easier - and
> of
> those, who will write the UPDF.
>
> Norbert
This archive was generated by hypermail 2b29 : Thu Feb 17 2000 - 15:38:09 EST