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Posted to fop-dev@xmlgraphics.apache.org by bu...@apache.org on 2007/03/19 20:36:08 UTC
DO NOT REPLY [Bug 41894] New: - fo:block-container: percentage-lengths + width/height->ipd/bpd
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Summary: fo:block-container: percentage-lengths + width/height-
>ipd/bpd
Product: Fop
Version: 1.0dev
Platform: Other
OS/Version: other
Status: NEW
Severity: normal
Priority: P2
Component: general
AssignedTo: fop-dev@xmlgraphics.apache.org
ReportedBy: a_l.delmelle@pandora.be
Reported by Daniel Noll on fop-users@
The FO in attachment currently fails w/ FOP trunk, because the percentages for top/right/bottom/left
are not resolved correctly.
I think I've found a fix, patch also attached for reference.
Can anyone confirm that the output PDF is the result one would expect? I think it's a correct
interpretation of the Rec., but I'm not sure. With my fix, the percentages are based on the height/width
of the outer block-container (which would generate the nearest ancestor reference area?)
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DO NOT REPLY [Bug 41894] - fo:block-container: percentage-lengths + width/height->ipd/bpd
Posted by bu...@apache.org.
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------- Additional Comments From a_l.delmelle@pandora.be 2007-03-19 12:39 -------
Created an attachment (id=19746)
--> (http://issues.apache.org/bugzilla/attachment.cgi?id=19746&action=view)
PDF result after applying the patch
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DO NOT REPLY [Bug 41894] - fo:block-container: percentage-lengths + width/height->ipd/bpd
Posted by bu...@apache.org.
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------- Additional Comments From a_l.delmelle@pandora.be 2007-04-05 12:54 -------
(In reply to comment #4)
> I think this is a step in the right direction, but I believe the PercentBase
> shouldn't be LengthBase.CONTAINING_REFAREA_HEIGHT but
> LengthBase.CONTAINING_BLOCK_HEIGHT. i-p-d, b-p-d, width and height are all using
> CONTAINING_BLOCK_WIDTH/HEIGHT as per the spec. top, left etc. are also defined
> in terms of the containing block, not the nearest ancestor reference area.
Aaah, OK, now I think I get it.
The spec (I only checked 1.1) explicitly alters the original CSS wording 'containing block' to 'nearest
ancestor reference area' for interpreting top/left/bottom/right (and in the absolute-position property),
but only where it comes to the positioning (100% to the left of /what/?), not in the definition of the
percent-base (100% of /what/ to the left of ...?)
Subtle one, I must say. :-)
I'll adapt shortly.
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DO NOT REPLY [Bug 41894] - fo:block-container: percentage-lengths + width/height->ipd/bpd
Posted by bu...@apache.org.
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------- Additional Comments From a_l.delmelle@pandora.be 2007-03-19 12:38 -------
Created an attachment (id=19745)
--> (http://issues.apache.org/bugzilla/attachment.cgi?id=19745&action=view)
proposed fix
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DO NOT REPLY [Bug 41894] - fo:block-container: percentage-lengths + width/height->ipd/bpd
Posted by bu...@apache.org.
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a_l.delmelle@pandora.be changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #19744|text/xml |text/plain
mime type| |
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DO NOT REPLY [Bug 41894] - fo:block-container: percentage-lengths + width/height->ipd/bpd
Posted by bu...@apache.org.
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------- Additional Comments From a_l.delmelle@pandora.be 2007-03-19 12:37 -------
Created an attachment (id=19744)
--> (http://issues.apache.org/bugzilla/attachment.cgi?id=19744&action=view)
source FO
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DO NOT REPLY [Bug 41894] - fo:block-container: percentage-lengths + width/height->ipd/bpd
Posted by bu...@apache.org.
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------- Additional Comments From jeremias@apache.org 2007-04-04 02:56 -------
I think this is a step in the right direction, but I believe the PercentBase
shouldn't be LengthBase.CONTAINING_REFAREA_HEIGHT but
LengthBase.CONTAINING_BLOCK_HEIGHT. i-p-d, b-p-d, width and height are all using
CONTAINING_BLOCK_WIDTH/HEIGHT as per the spec. top, left etc. are also defined
in terms of the containing block, not the nearest ancestor reference area.
In your example, that would place all three inner b-cs at the upper edge of the
block-container's content area because the block they are enclosed in doesn't
have a height in this case. Only if you remove the block between the inner and
outer b-c will the vertical positioning work again. It's what I would expect in
terms of behaviour.
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