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https://issues.apache.org/jira/browse/FOP-1840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13530111#comment-13530111
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Alexios Giotis edited comment on FOP-1840 at 12/12/12 5:03 PM:
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Nice, with the fix balance-2.fo works as expected. I now wonder why the 2nd
page of the attached balance-3.fo.xml is not working. If you comment out the
<fo:block span="all"/> near the end of the file, the output is as expected.
I also have another case in which the last row at the bottom of the left column
is missing (empty space). The table ends in the next page. Currently I have a
screenshot, I am trying to make the 8MB input smaller.
was (Author: alex.giotis):
Nice, with the fix balance-2.fo works as expected. I now wonder why the 2
page balance-3.fo.xml is not working. If you comment out the <fo:block
span="all"/> near the end of the file, the output is as expected.
I have another case in which the last row at the bottom of the left column is
missing (empty space). The table ends in the next page. Currently I have a
screenshot, I am trying to make the 8MB input smaller.
> [PATCH] Region-Body Column balancing incorrect if content is table with header
> ------------------------------------------------------------------------------
>
> Key: FOP-1840
> URL: https://issues.apache.org/jira/browse/FOP-1840
> Project: Fop
> Issue Type: Improvement
> Components: page-master/layout
> Affects Versions: 1.0
> Environment: Operating System: All
> Platform: PC
> Reporter: a.kovacs
> Assignee: fop-dev
> Attachments: b49801_dirty_hack.patch, b49801.fo,
> balance-2-expected.pdf, balance-2.fo, balance-2.pdf, balance-3.fo.xml,
> balancing-fos.zip, fix.diff, fo.xml, patch.diff, test-after.pdf,
> test-before.pdf
>
>
> To reproduce bug please do the following:
> Use:
> <fo:region-body region-name="PageBody" column-count="2" />
> Fill the region-body with content like :
> <fo:block span="none" > ...(content is table with header) ..
> <fo:block span="all"> ... (one line (summary)) ..
> If the content is made of normal blocks the columns are balanced before the
> span="all" summary line.
> like:
> 123456 456789
> 234567 567890
> 345678 678901
> Summary: 1234567890
> If the content is a table without headers the columns are balanced correct.
> like:
> 123456 456789
> 234567 567890
> 345678 678901
> Summary: 1234567890
> If the content is a table with header the columns are not balanced correct.
> (the right one is shorter.)
> Header Header
> 123456 567890
> 234567 678901
> 345678
> 456789
> Summary: 1234567890
> The "computeDemerits()" algorithm is wrong in class
> "BalancingColumnBreakingAlgorithm".
> The "fullLen" value is to short. Exactly the replicated header width is
> missing. In the "par" list the header is contained only once although the
> header is displayed in every column. (in the example twice)
> Solution could be to place the header as many times in the "par" list as many
> columns exist, or to count the existing one header as many times as needed.
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