Re: [docbook-apps] How to center the title vertically on the titlepage?

Hi,
This is not as easy as it seems it should be.

To center something vertically in XSL-FO, you must have a container that 
defines an area as vertically big as you want to center within, and then use 
the display-align="center" property to center its content vertically within 
that area.

There is no default area that is the available page height, however.  I've 
done something like this using a layout table and setting the fo:table-row's 
height property to be the available page height.  You can either calculate 
that manually, or put the calculation in the attribute value.  You take the 
$page.height and subtract the $page.margin.top, $body.margin.top, 
$page.margin.bottom, and $body.margin.bottom, which leaves you with the 
available height on the page.

To place this table, you can override the titlepage template mechanism with 
your own layout table, as described here:

http://www.sagehill.net/docbookxsl/TitlePagePrint.html#TitlepageTableLayout

Bob Stayton
Sagehill Enterprises



----- Original Message ----- 
From: "Xuan Ngo" <>
To: "Docbook Appz" <>
Sent: Sunday, February 03, 2008 8:18 AM
Subject: [docbook-apps] How to center the title vertically on the titlepage?


> How to center the title vertically on the titlepage?
>
> I'm using FOP v0.94 and Docbook 1.73.2.
>
> thx!
> Xuan
>
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