W3C home > Mailing lists > Public > www-xsl-fo@w3.org > February 2002

Re: XSL-Fo to PDF

From: Peter B. West <pbwest@powerup.com.au>
Date: Sat, 23 Feb 2002 09:14:57 +1000
Message-ID: <3C76D0F1.2040008@powerup.com.au>
To: "'www-xsl-fo@w3.org '" <www-xsl-fo@w3.org>
Fellas,

Please keep as much as possible of your design discussions on the list, 
or cc me.

Peter

Sterin, Ilya wrote:

>Arved, yes let's talk.  I'll facilitate the Perl part and take a look at the
>prototype when ever it's ready:-)  I'll also help on the C side if needed.
>Let's get a few more emails back and forth this weekend and possible chat if
>needed (IRC, IM, etc...).
>
>I think an open source (non-java) implementation is definitely needed, and
>I'll allocate as much of my resources to it as I can:-)
>
>Ilya 
>
>-----Original Message-----
>From: Arved Sandstrom
>To: www-xsl-fo@w3.org
>Cc: www-xsl-fo@w3.org
>Sent: 2/22/02 5:21 AM
>Subject: RE: XSL-Fo to PDF
>
>-----Original Message-----
>From: www-xsl-fo-request@w3.org [mailto:www-xsl-fo-request@w3.org]On
>Behalf Of Ilya Sterin
>Sent: February 22, 2002 12:28 AM
>To: Arved Sandstrom
>Cc: www-xsl-fo@w3.org
>Subject: Re: XSL-Fo to PDF
>
>>Just as an aside, I thought I should mention that I am in the throes
>>
>of
>
>>doing what David mentions was done for the XEP prototype, and what
>>
>Ilya is
>
>>in some stage of doing also. I have my xslfo-proc Sourceforge project,
>>
>and
>
>>a prototype in Perl is proving to be much more useful than UML.
>>
>
>Arved, I'll be very interested in taking a look at what you are doing
>and
>possibly joining forces or somehow complimenting each other.  No need to
>repeat the hard work.
>
>[ SNIP ]
>
>-----End of Original Message-----
>
>I have a short holiday coming up this weekend; 5 days total. I intend to
>do
>some intensive work and upload stuff on Tuesday or Wednesday. Nothing
>close
>to completion but I have all the properties and FOs in place as modules
>that
>I am interested in, some 260 total. Plus I am sketching out the actual
>layout and area modules; there should be a fair bit to look at in a few
>days. Placing properties (inherited, explicit, specified) on all the
>elements more or less works; I haven't yet gotten to doing computed
>values
>because that will happen as I work on layout.
>
>We can start talking about technical details when you've seen product
>(:-));
>I'll mention only that even where my Perl modules behave as objects they
>are
>really C structs, and that is my intention in a C implementation. In
>particular I am stressing composition & aggregation, and my intention is
>that FOs themselves are layout-dumb; managers will handle the layout.
>This
>is not entirely my idea; my fellow committers on FOP who are currently
>pushing the redesign are using this approach. Many constraints in XSL
>encompass several objects and hence the "manager" architecture is very
>natural.
>
>Since I have no intentions of putting a production Perl processor out
>there
>I guess you are the man. I suspect that you are more up to speed with
>Perl
>than I am - I've been using nothing but Java in real life for the past
>few
>years.I think the fastest way will be as you suggested, to start from
>the
>pure-Perl and optimize with XS. Since I have been doing XSL for a while
>probably the real value to you will be that you can not so much borrow
>Perl
>as you can borrow solutions. But I have no objections to wholesale
>borrowing
>of the code either.
>
>I certainly have no objections if you also wish to participate in the C
>processor/library project. I welcome any input. As I mentioned it won't
>start for a month or 2 in any case, since I want to do the prototype
>first.
>And for that _I_ am going to stick with SWIG, because I am not
>restricting
>myself to Perl.
>
>Regards,
>Arved
>
Received on Saturday, 23 February 2002 08:27:38 GMT

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