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Subject: Re: [docbook-apps] EPUB parameters: (epub.cover.id)
On Tue, Jun 23, 2009 at 2:32 PM, Robert Nagle<idiotprogrammer@gmail.com> wrote: > I'm having trouble figuring out the meaning of the epub parameters, > especially the ones related to cover. (see bottom) The cover can be a little bit tricky to generate generically in DocBook 4.x because of the lack of the <cover> element. It should be simpler in DocBook 5.0. > I know that docbook has a cover element, but "cover" in the context of > epub parameters seems to mean something different. (Or am I supposed > to assume that the cover image information should be inside a > mediaobject element which is inside docbook's cover element?) > Does epub.cover.filename assume that the file is an html file or a > graphic file? In general, most of the epub.* parameters should be left as the default unless you're writing an EPUB generation tool. The epub.cover.filename contains the name of the generated cover XHTML file. > Will the epub.cover.image.id refer to a file name or simply be an > identifying attribute? The epub.cover.image.id is used to identify the cover in the OPF file. > Finally, I see this note on docbook.xsl > > <!-- Via Martin Goerner: On covers: the IDPF2.0 standard > ... > I'm sorry; I don't understand exactly what this means. Does he mean > that in the html output from docbook you include cover information in > a meta tag ? Is there a file reference inside this meta tag? You shouldn't need to worry about this. > Also, when epub.cover.linear = 0 or 1, what does that mean? One typically keeps the cover out of the OPF spine. The default of "0" keeps it out. > It would be nice to see a simple example of the values used to produce a cover. You can see an example of a DocBook 4.x cover here (less clearly): https://docbook.svn.sourceforge.net/svnroot/docbook/trunk/xsl/epub/bin/spec/files/orm.book.001.xml and 5.0 here (more clearly): https://docbook.svn.sourceforge.net/svnroot/docbook/trunk/xsl/epub/bin/spec/files/v5cover.xml Keith
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