Re: [docbook] how to make composite figures

[Bob Stayton <bobs at sco dot com>]

On Mon, Apr 14, 2003 at 10:19:02AM -0400, Stefan Seefeld wrote:
> Bob Stayton wrote:
> 
> > I haven't tested this with the stylesheets, but a
> > figure can contain a literallayout, which can contain
> > any number of inlinemediaobjects.
> 
> thanks, that seems to work. Doing this I discovered some
> other related problems: I'd like to align the images vertically,
> but this seems quite difficult. First of all, both, the template
> for mediaobject and the one for inlinemediaobject both ignore
> the 'valign' attribute. As I wanted to submit a patch with the
> bug-report, I'm trying to figure out what the valign attribute
> should map to.
> 
> The html specs deprecate the 'align' attribute, and don't even
> provide a 'valign' attribute neither for the <img> element, nor
> for <span>. So it seems I have to use (possibly inlined) css.
> But resorting to the 'style' attribute implies that there isn't
> a one-to-one mapping between docbook attributes and html attributes,
> but rather, that the html 'style' attribute is a function of
> docbook attributes set at different places. Oh well, quite messy...
> 
> And I didn't even look into fo generation yet.
> 
> Any ideas ?

As someone else suggested, a table might work better
if you need control over alignment.  A figure element
can take an informaltable element, and you can try
to use cell alignment attributes in it to control the
graphics.

You will find that the HTML stylesheets already use a table
wrapper around a mediaobject anyway if you are using
a viewport for the graphic.  See Norm's explanation
of viewport in the Definitive Guide:

http://docbook.org/tdg/en/html/imagedata.html

-- 

Bob Stayton                                 400 Encinal Street
Publications Architect                      Santa Cruz, CA  95060
Technical Publications                      voice: (831) 427-7796
The SCO Group                               fax:   (831) 429-1887
                                            email: bobs at sco dot com

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