RE: [xep-support] XEP compared to FOP 0.94

From: Roy Dennington <>
Date: Mon Aug 04 2008 - 07:02:05 PDT


We make extensive use of SVG for equations, and they render perfectly.
Rendering problems occur when a font is not registered properly in xep.xml
OR the font does not support UNICODE.


-----Original Message-----
From: []
On Behalf Of Philippe Nobili
Sent: Monday, August 04, 2008 2:29 AM
Subject: [xep-support] XEP compared to FOP 0.94

We have just installed a personal version of XEP to evaluate whether it is
worth investing in it for publishing our DocBook/XML documents in PDF ; we
currently perform our printed document generation using FOP (0.94) from the
XML authoring tool XMLMind. There are a couple of things that XEP does
obviously better or simply supports: floats, better page breaks, better
space reservation, etc etc

*But*, they are a couple of fundamental features that surprisingly do not
seem to work, or do not work as well as with FOP:

- SVG images are not correctly handled: the text is sometime missing, the
integrated bitmaps if any are always missing
- PNG image resolution is odd: we sometime end up with very small images in
printed outputs, whereas with FOP our image size is similar in HTML and PDF
(we never specify image scales in our XML documents, we rather resize them
outside for an optimal rendering both on HTML and printed documents).
- Transparent PNG images are not correctly processed; the transparent part
is replaced by a solid black area

Without these, it would not make sense for us to switch to XEP; are these
problems known ? could they be due partly to the way XEP is invoked from our
side ? (through the ad-hoc XMLMind addon) ?

Thanks for any hints.

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Received on Mon Aug 4 07:55:35 2008

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