Gentlepeople,
I am trying to get rid of line-leading (not sure this is the correct term
actually) when adding an instream-foreign-object or external-graphic to a
block
As an example
<fo:block-container absolute-position="fixed" left="0pt" top="0pt">
<fo:block background-color="green" line-height="0" >
<fo:instream-foreign-object background-color="red">
<svg:line x1="10" y1="10" x2="10" y2="20"
style="stroke:rgb(0,0,0);stroke-width:1"/>
</svg:svg>
</fo:instream-foreign-object>
</fo:block>
</fo:block-container>
In the result (pdf using fop 0.92) the instream object (with a red
background) is not positioned at the top but rather at a position which
seems to (indirectly?) depend on the font-size.
One suggestion to eliminate this region is to set the line-height to 0 (see
http://www.renderx.net/lists/xep-support/2607.html)
That does however not seem to work with FOP. The area between the top of the
red box and the top of the page is gone, but the line is no longer
positioned correctly, but shifted vertically.
If I set font-size to 0 and do not explicitly set line-height it seems to
work with FOP.
So I guess I have two questions
1) What is the advised way to eliminate this "line-leading" area (the
approach above seems not very elegant)?
2) Is the suggestion made on the XEP list wrong and/or is there a problem in
FOP and/or is this one of the implementation dependant areas of FO?
Any guidance, as always, extremely appreciated.
Thanks,
Peter
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