RE: DOCBOOK-APPS: Problem with images when generating HTML output ...

[Giuseppe Greco <giuseppe.greco@bluewin.ch>]

Jeff,

Thanks for your support.
I will try it!

Have a nice day.

Gius_.

On Mon, 2002-12-30 at 15:53, Jeff Beal wrote:
> I haven't worked with PassiveTex and have used Tex only a little, and that
> didn't include graphics, so I'm a bit in the dark on this behavior.  I know
> that neither FOP nor XEP infer graphic extensions if one doesn't exist.  
> 
> As for the general concept of having the stylesheets add an extension based
> on the format, it seems that specifying multiple alternate mediaobjects and
> selecting the right one for the output is a better approach.
> 
> <mediaobject>
>   <imageobject>
>     <imagedata fileref="myImageFile.eps" format="EPS"/>
>   </imageobject>
>   <imageobject>
>     <imagedata fileref="myImageFile.pdf" format="PDF"/>
>   </imageobject>
>   <imageobject>
>     <imagedata fileref="myImageFile.png" format="PNG"/>
>   </imageobject>
>   <textobject>
>     <phrase>My text</phrase>
>   </textobject>
> </mediaobject>
> 
> In order for this to work exactly as you want it, you'll probably have to
> customize the is.graphic.format and is.graphic.extension templates from the
> graphics.xsl files in the DocBook Stylesheets.
> 
> Bob Stayton has been modifying the selection mechanism for mediaobjects
> somewhat, though.  These changes may make some of this work easier.
> Depending on your timeframe, you may want to hold off until the next
> stylesheet distribution.  (See
> http://lists.oasis-open.org/archives/docbook-apps/200212/msg00080.html for
> some details on the new mechanism.)
> 
> Jeff Beal
> 
> -----Original Message-----
> From: Giuseppe Greco [mailto:giuseppe.greco@bluewin.ch]
> Sent: Monday, December 30, 2002 9:37 AM
> To: Jeff Beal
> Cc: DocBook Apps
> Subject: RE: DOCBOOK-APPS: Problem with images when generating HTML
> output ...
> 
> 
> Jeff,
> 
> I use xsltproc to produce FO output and then PassiveTeX
> to produce PDF/PS output.
> 
> Of course, the FO file doesn't contain the file extension;
> it is automatically added by PassiveTeX.
> 
> In the example I sent you this morning, PuassiveTeX would
> append the ".ps" extension when generating PS output
> and the ".pdf" extension when generating PDF output.
> 
> I think it would be nice if the stylesheet would automatically
> append the file extension in accordance to the "format" attribute.
> 
> What do you think about?
> 
> On Mon, 2002-12-30 at 15:04, Jeff Beal wrote:
> > The stylesheets don't add extensions to match the format.  They assume the
> > filename is correct and use the format as part of the mediaobject
> selection
> > mechanism.  In order to do what you want, you'd have to copy and customize
> > the template named "process.image" in graphics.xsl.
> > 
> > I am a little confused as to why you want to have the stylesheets generate
> > an extension and how your FO processor is working fine without the
> > extension.  The fileref attribute should be a valid URI to a file,
> including
> > the extension.  Could you provide a bit more information on the problem
> you
> > were having that caused you to drop the .png extension?
> > 
> > Jeff Beal
> > 
> > -----Original Message-----
> > From: Giuseppe Greco [mailto:giuseppe.greco@bluewin.ch]
> > Sent: Monday, December 30, 2002 5:15 AM
> > To: DocBook Apps
> > Subject: DOCBOOK-APPS: Problem with images when generating HTML
> > output...
> > 
> > 
> > Hi Guys,
> > 
> > I need to generate PDF, PS, and HTML output
> > from my DocBook documents.
> > 
> > To include images into my documents, I normally
> > write something like this:
> > 
> > ...
> > <mediaobject>
> >   <imageobject>
> >     <imagedata fileref="myImageFile" format="PNG"/>
> >   </imageobject>
> >   <textobject>
> >     <phrase>My text</phrase>
> >   </textobject>
> > </mediaobject>
> > ...
> > 
> > I omit the file extension (.png) in the fileref
> > attribute in order to let the processor to generate
> > PDF as well PS output correctly (this works fine).
> > 
> > Well, as soon as I try to generate HTML output,
> > I get some troubles. In fact, the generated
> > HTML output for the statements above is
> > 
> > ...
> > <div class="mediaobject">
> >   <img src="myImageFile" alt="My text">
> > </div>
> > ...
> > 
> > As you can see, the file extension (.png) is
> > missing...
> > 
> > I'm using XSL stylesheets V 1.58.1.
> > 
> > Have you any idea?
-- 
Giuseppe Greco
Strada Regina 40
6928 Manno (TI)
Switzerland

Mobile: +41 (0) 76 390 60 32
Email : giuseppe.greco@bluewin.ch