Subject: Re: crossing out an image in fo?
From: "Markus Gamperl" <markus.gamperl@xxxxxx>
Date: Mon, 1 Dec 2003 14:28:00 +0100 (MET)
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Hello!
Thanks a lot for your help! This works well when i know the height of the
images (in some cases i know it, but there are also cases where i don't know
the image height...)
But i think XSL is not as powerful to solve this issue (getting the height
of the image) - isn't it?
Thanks!
> Markus Gamperl wrote:
> >>>image?
> >>
> >>You can try a block as overlay, using relative positioning.
>
> > Could you please give me further more information? - What do you mean
> with
> > relative positioning?
>
> You need to use block-container or inline-container. For
> block-container, the basic pattern is:
>
> <fo:block-container>
> <fo:block-container position="absolute">
> <fo:block>This is the first block</fo:block>
> </fo:block-container>
> <fo:block-container position="absolute">
> <fo:block>This is the second block. It should overprint the
> first</fo:block>
> </fo:block-container>
> </fo:block-container>
>
> The reason this works is that the outer block-container establishes a
> new "reference area", that is, an area within which other areas are
> positioned.
>
> The two inner block-containers use position="absolute" to indicate that
> they are absolutely positioned relative to the boundaries of their
> containing reference area. Because both inner block containers are
> positioned at the same place (the default position is aligned with the
> top and left of the containing reference areas) they overlay each other.
>
> By default, the Z-order (vertical stacking) is determined by source
> order, so the second inner block-container has a higher Z-order than the
> first block container.
>
> The same basic approach works with inline-container, the difference
> being that the outer inline-container will be positioned within a
> sequence of inline areas rather than as a block, as in the example
> above. Here is a sample that works with XSL Formatter 2.5 (in my data
> set, the graphic is a little icon about 10pt square):
>
> <fo:block space-before="12pt"
> font-size="12pt"
> >this is before the inline graphic
> <fo:inline-container
> alignment-adjust="10pt"
> inline-progression-dimension="12pt"
> >
> <fo:block-container position="absolute">
> <fo:block>
> <fo:external-graphic src="url(graphics/menu-icon.eps)"/>
> </fo:block>
> </fo:block-container>
> <fo:block-container position="absolute">
> <fo:block>
> <fo:leader
> color="red"
> alignment-adjust="middle"
> rule-thickness="1pt"
> leader-length="12pt"
> leader-alignment="reference-area"
> leader-pattern="rule"/>
> </fo:block>
> </fo:block-container>
> </fo:inline-container>
> this is after the inline graphic.
> </fo:block>
>
> [It may not work with XEP--I believe XEP implements all
> absolutely-positioned blocks relative to the page's reference area. I
> would be very surprised if it works with FOP.]
>
> Cheers,
>
> Eliot
> --
> W. Eliot Kimber
> Innodata Isogen
> eliot@xxxxxxxxxx
> www.isogen.com
>
>
> XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
>
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