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From "Amick, Eric" <Eric.Am...@mail.house.gov>
Subject RE: Why does overflow="hidden" not cut off the content?
Date Thu, 12 Aug 2010 12:13:45 GMT
You're right about block-container. Furthermore, the standard says
overflow does not apply to table-row and is not inherited, so the
behavior seen originally is correct.

 

Eric Amick   Systems Engineer II

Legislative Computer Systems

 

From: Jonathan Levinson [mailto:Jonathan.Levinson@intersystems.com] 
Sent: Thursday, August 12, 2010 7:48
To: fop-users@xmlgraphics.apache.org
Subject: RE: Why does overflow="hidden" not cut off the content?

 

I believe overflow="hidden" works on an fo:block-container.  If you
surround the contents of your table-cell with an fo:block-container text
will truncated rather than overflowing into other columns.

 

Best Regards,

Jonathan Levinson

 

From: Dominik Stadler [mailto:dominik.stadler@dynatrace.com] 
Sent: Thursday, August 12, 2010 2:36 AM
To: fop-users@xmlgraphics.apache.org
Subject: Why does overflow="hidden" not cut off the content?

 

Hi, 

 

I am struggling to understand how overflow="hidden" works in FOP. When I
read the description in the FO-standard [1], it states that
overflow="hidden" causes text to be cut off when it overflows the
region.

 

Now when I try to use this in FOP 0.95 (same in 1.0) to get a clean
table-layout in favour of displaying all data, I do not get what I
expect, text is still overflowing both into other columns and also into
the margin-right region. How do I stop FOP from doing that? Or is this a
known Bug/Limitation in FOP?

 

I know that I could add "invisible blanks" at certain places to make it
wrap around here, however these are automatically generated XSL-FO files
where I can not fully control the incoming data, so for some cases I
would rather really actually cut off the data.

 

The XSL-FO below shows my latest attempt. I get the following warnings
when running FOP, which is expected here as things overflow. The
attached test.pdf shows the result with fop-0.95, I am going to try
fop-1.0 now. 

 

12.08.2010 08:24:29
org.apache.fop.layoutmgr.inline.LineLayoutManager$LineBreakingAlgorithm
updateData2

WARNUNG: Line 5 of a paragraph overflows the available area by more than
50 points. (fo:block, location: 33/44)

12.08.2010 08:24:30
org.apache.fop.layoutmgr.inline.LineLayoutManager$LineBreakingAlgorithm
updateData2

WARNUNG: Line 1 of a paragraph overflows the available area by more than
50 points. (fo:block, location: 33/44)

12.08.2010 08:24:30
org.apache.fop.layoutmgr.inline.LineLayoutManager$LineBreakingAlgorithm
updateData2

WARNUNG: Line 8 of a paragraph overflows the available area by more than
50 points. (fo:block, location: 44/44)

12.08.2010 08:24:30
org.apache.fop.layoutmgr.inline.LineLayoutManager$LineBreakingAlgorithm
updateData2

WARNUNG: Line 3 of a paragraph overflows the available area by 31268mpt.
(fo:block, location: 44/44)

12.08.2010 08:24:30
org.apache.fop.layoutmgr.inline.LineLayoutManager$LineBreakingAlgorithm
updateData2

WARNUNG: Line 1 of a paragraph overflows the available area by 9644mpt.
(fo:block, location: 55/44)

12.08.2010 08:24:30
org.apache.fop.layoutmgr.inline.LineLayoutManager$LineBreakingAlgorithm
updateData2

WARNUNG: Line 5 of a paragraph overflows the available area by more than
50 points. (fo:block, location: 66/44)

12.08.2010 08:24:30
org.apache.fop.layoutmgr.inline.LineLayoutManager$LineBreakingAlgorithm
updateData2

WARNUNG: Line 1 of a paragraph overflows the available area by more than
50 points. (fo:block, location: 66/44)

 

[1] http://www.w3.org/TR/xsl/#overflow

 

Thanks... Dominik

 

<?xml version="1.0" encoding="utf-8"?>

<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format"
xmlns:fox="http://xmlgraphics.apache.org/fop/extensions">

  <fo:layout-master-set>

    <fo:simple-page-master master-name="A4-portrait"
page-height="29.7cm" page-width="21cm" margin-top="1cm"
margin-bottom="1cm" margin-left="2.5cm" margin-right="2.5cm">

      <fo:region-body/>

    </fo:simple-page-master>

  </fo:layout-master-set>

  <fo:page-sequence master-reference="A4-portrait">

    <fo:flow id="top" flow-name="xsl-region-body" language="en"
hyphenate="true">

      <fo:table table-layout="fixed" width="100%" border-style="solid"
border-width="0.5pt">

        <fo:table-column column-width="66%" />

        <fo:table-column column-width="21%" />

        <fo:table-column column-width="13%" />

        <fo:table-header>

          <fo:table-row overflow="hidden">

            <fo:table-cell  overflow="hidden" border-style="solid"
border-width="0.5pt">

              <fo:block  overflow="hidden">Content</fo:block>

            </fo:table-cell>

            <fo:table-cell  overflow="hidden" border-style="solid"
border-width="0.5pt">

              <fo:block  overflow="hidden">String</fo:block>

            </fo:table-cell>

            <fo:table-cell  overflow="hidden" border-style="solid"
border-width="0.5pt">

              <fo:block  overflow="hidden">Number</fo:block>

            </fo:table-cell>

          </fo:table-row>

        </fo:table-header>

        <fo:table-body>

          <fo:table-row overflow="hidden">

            <fo:table-cell  overflow="hidden" border-style="solid"
border-width="0.5pt">

              <fo:block  overflow="hidden">One long argument without
blanks</fo:block>

            </fo:table-cell>

            <fo:table-cell  overflow="hidden" border-style="solid"
border-width="0.5pt" >

              <fo:block
overflow="hidden">types=page&amp;spaces=MYTHING&amp;maxResults=15&amp;ti
tle=%5Bsomething+sitting%5D+Pages+Feed&amp;someotherthing=false&amp;os&#
8203;_authType=basic</fo:block>

            </fo:table-cell>

            <fo:table-cell  overflow="hidden" border-style="solid"
border-width="0.5pt">

              <fo:block  overflow="hidden">3249,69</fo:block>

            </fo:table-cell>

          </fo:table-row>

          <fo:table-row overflow="hidden">

            <fo:table-cell  overflow="hidden" border-style="solid"
border-width="0.5pt">

              <fo:block  overflow="hidden">One long argument with
"invisible blanks" to get some hyphenation</fo:block>

            </fo:table-cell>

            <fo:table-cell  overflow="hidden" border-style="solid"
border-width="0.5pt">

              <fo:block
overflow="hidden">types&#8203;=&#8203;page&amp;spaces&#8203;=&#8203;MYTH
ING&amp;maxResults&#8203;=15&amp;title&#8203;=%5Bsomething+sitting%5D+Pa
ges+Feed&amp;someotherthing=false&amp;os&#8203;_authType=basic</fo:block
>

            </fo:table-cell>

            <fo:table-cell  overflow="hidden" border-style="solid"
border-width="0.5pt">

              <fo:block  overflow="hidden">3249,69</fo:block>

            </fo:table-cell>

          </fo:table-row>

          <fo:table-row overflow="hidden">

            <fo:table-cell  overflow="hidden" border-style="solid"
border-width="0.5pt">

              <fo:block  overflow="hidden">Some short text</fo:block>

            </fo:table-cell>

            <fo:table-cell  overflow="hidden" border-style="solid"
border-width="0.5pt">

              <fo:block  overflow="hidden">os_authType=basic</fo:block>

            </fo:table-cell>

            <fo:table-cell  overflow="hidden" border-style="solid"
border-width="0.5pt">

              <fo:block  overflow="hidden">2924,98</fo:block>

            </fo:table-cell>

          </fo:table-row>

          <fo:table-row overflow="hidden">

            <fo:table-cell  overflow="hidden" border-style="solid"
border-width="0.5pt">

              <fo:block  overflow="hidden">Some long text with
background set to white to show cutting off in this case</fo:block>

            </fo:table-cell>

            <fo:table-cell  overflow="hidden" background-color="rgb(255,
255, 255)">

              <fo:block
overflow="hidden">types=page&amp;spaces=MYTHING&amp;maxResults=15&amp;ti
tle=%5Bsomething+sitting%5D+Pages+Feed&amp;someotherthing=false&amp;os&#
8203;_authType=basic</fo:block>

            </fo:table-cell>

            <fo:table-cell  overflow="hidden" border-style="solid"
border-width="0.5pt">

              <fo:block  overflow="hidden">2924,98</fo:block>

            </fo:table-cell>

          </fo:table-row>

        </fo:table-body>

      </fo:table>

    </fo:flow>

  </fo:page-sequence>

</fo:root>

 

Dominik Stadler, Team Lead
F +43 732 210100008 | E dominik.stadler@dynatrace.com
<mailto:dominik.stadler@dynatrace.com>  | Skype: stadler.dominik

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