On Thu, 2002-12-19 at 18:05, Keiron Liddle wrote:
> On Wed, 2002-12-18 at 15:23, Nicola Ken Barozzi wrote:
> > > I don't get this.  How can PDFs be transformed?
> > 
> > There are Java libraries that read PDFs. What would be really cool is to 
> > have a reader or something like it that uses a PDF as a template.
> > Using FOP for just filling out forms is overkill, we just need templating.
> > 
> > This is a general use case of PDF transformation, and another that I 
> > would really like to see is to generate a "non-controlled copy" stamp on 
> > the PDF for the management of ISO9001 documentation.
> > 
> > Or simply by adding a copyright statement.
> Sounds like some good ideas.
> It would be possible to do some work with Fop so that it can:
> - convert xsl:fo to paged xml

Is the paged XML a new or existing format?

> - convert paged xml to pdf (or other formats)
> - define templates with the paged xml
> - append paged xml to a current document
> So it would be possible to create the paged xml from fo. Then to do a
> transform or directly convert or append the paged xml to pdf.
> Also the extensions and foreign xml can be passed through directly so
> that both formats support the same extensions, such as svg.
> So the changes that would need to be made are:
> - improve and update xml renderer so that it can output SAX
> - improve and update AreaTreeBuilder so that it takes SAX input
> - make some additions to the pdf lib so it can load and read pdf
> documents
> Then it shouldn't be so hard to add in extensions for pdf forms etc.
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If you don't test then your code is only a collection of bugs which 
apparently behave like a working program. 

Website: http://www.rocketred.com.au/blogs/kevin/

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