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From Pascal Sancho <psancho....@gmail.com>
Subject Re: [jira] [Closed] (FOP-1840) [PATCH] Region-Body Column balancing incorrect if content is table with header
Date Fri, 14 Dec 2012 15:07:00 GMT
Hi,

before closing a bug, I think one should indicate what version its
resolution does affect.

The goal is to easily manage changes pages in FOP website.

2012/12/14 Alexis Giotis (JIRA) <jira@apache.org>:
>
>      [ https://issues.apache.org/jira/browse/FOP-1840?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
>
> Alexis Giotis closed FOP-1840.
> ------------------------------
>
>
>> [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, balance-4-edited.fo.xml, balance-4.fo.xml,
balance-4-none.fo.xml, balance-4.pdf, balance-5.fo, balancing-fos.zip, fix.diff, fo.xml, output-balance5.pdf,
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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-- 
pascal

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