thank you, that was it!

--
Regards,
Tomek Kaczanowski

On Mar 6, 1:56 am, Lex Trotman <[email protected]> wrote:
> On 6 March 2012 09:08, Tomek Kaczanowski <[email protected]> wrote:
>
> > Hi All,
>
> > it seems that width is more important than scaledwidth, for example,
> > in such case:
> >    image::img/picture.png["Whatever", scaledwidth="50%", width="350",
> > align="center"]
> > when generating PDF output (with a2x) the scaledwidth will be ignored.
>
> Hi Tomek,
>
> The docbook image size model is fairly comples and asciidoc doesn't
> support all options.   What you need to understand is that it is based
> on two rectangles, the viewport (which is the space on the page) and
> the content which can be separately specified.  The asciidoc
> width/height attributes correspond to the content width/height and can
> be specified in a whole lot of units, defaulting to pixels (whatever
> that is for a PDF?) and here % is percent of the original image size.
> For full details seehttp://docbook.org/tdg/en/html/imagedata.html
>
> Content size can also be specified as a scale of the original image
> size by the scale=xx where xx is a percent.
>
> Asciidoc does not provide an independent way of setting viewport size
> so the toolchains are free to choose, but seem to choose the viewport
> to be equal to the content.
>
> Asciidoc does however allow specification of viewport scaling using
> scaledwidth.  Setting scaledwidth specifies the viewport width and
> also specifies that the content should be scaled to fit.  Here a % is
> a percent of the size available.
>
> But you have specified both fixed content size and scaling and then
> fixed should win, not scaled.  If scaling is winning, the PDF
> toolchain has a bug.
>
> XHTML only allows specifying an image by pixels and % of available
> space, set by asciidoc width and height.  The scaledwidth attribute is
> ignored.
>
> I havn't tried it but the closest match between these two systems
> would seem to be if HTML were specified by width in % and docbook
> specified as scaledwidth in % without a content width.
>
> To do this you can make docbook output ignore width by adding a custom
> docbook45.conf.  Copy the [image-blockmacro] section from the system
> docbook45.conf to the custom one and delete the part {width?
> contentwidth="{width}"}{height? contentdepth="{height}"}
>
> Hopefully then you can specify docbook and html separately.
>
> Cheers
> Lex
>
>
>
>
>
>
>
>
>
> > This means that if I want to have a decent output for both PDF and
> > HTML I need to do something fancy.
>
> > My current solution is to use sed to remove all "contentwidth" from
> > docbook output for PDF version like this:
> >    sed -i 's/contentwidth="[0-9][0-9][0-9]" //g' my_book.xml
> > before xstlproc and fop are invoked.
>
> > Is there better way to do it? How do other people deal with this?
> > Using ifdef?
>
> > --
> > Regards,
> > Tomek Kaczanowski
> >http://practicalunittesting.com
>
> > --
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