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Posted to fop-users@xmlgraphics.apache.org by Alex Zepeda <zi...@sonic.net> on 2010/11/18 07:57:54 UTC
Table and block-container borders 0.93 vs 0.95/1.0
Hi all,
I've been updating some of my templates to work with FOP 1.0. I've noticed
that the following xsl does not produce the same results with FOP 0.95 or 1.0
that it does with 0.93. Now, I know that 0.93 didn't support collapsing table
borders... but that aside, the outer table border on 0.93 is aligned with the
block-container border, but is mysteriously set about 1/4 point below the
table border in 0.95/1.0
Is this intentional behaviour? If so, is there some other way than futzing
with the margins manually to achieve the old-style results?
<?xml version="1.0" encoding="ISO-8859-1"?>
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
<fo:layout-master-set>
<fo:simple-page-master page-width="8.5in" page-height="11.0in"
master-name="page-master">
<fo:region-body />
</fo:simple-page-master>
</fo:layout-master-set>
<fo:page-sequence master-reference="page-master">
<fo:flow flow-name="xsl-region-body">
<fo:block-container top="0.25in" left="1in" width="3.0in" height="1in"
position="fixed" padding="0pt" margin="0in" border="0.5pt solid lightblue">
<fo:block>TEXT HERE</fo:block>
</fo:block-container>
<fo:block-container border="0pt" top="0.25in" left="1.75in" width="3.0in"
height="1in" position="fixed">
<fo:table border="0.5pt solid black" position="absolute">
<fo:table-column column-width="0.721in"/>
<fo:table-body>
<fo:table-row>
<fo:table-cell border="0.5pt solid black" height="0.324in">
<fo:block>CELL</fo:block>
</fo:table-cell>
</fo:table-row>
</fo:table-body>
</fo:table>
</fo:block-container>
</fo:flow>
</fo:page-sequence>
</fo:root>
- alex
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Re: Table and block-container borders 0.93 vs 0.95/1.0
Posted by Vincent Hennebert <vh...@gmail.com>.
Hi Alex,
On 18/11/10 17:53, Alex Zepeda wrote:
> Vincent Hennebert wrote:
>
>> Set the border-collapse property to ‘separate’, or set a top-margin of
>> half the table border. That may not be so simple if you have fancy
>> borders on the cells but, in most cases, this is easy to determine.
>
> Ah hah. Setting border-collapse to 'separate' doesn't fix things. With
> 0.93, you'll get the double border that is flush with the
> block-container's border. With 0.95/1.0 I get the same effect as
> before, but with a thicker border. Setting margin-top of the blue
> block-container doesn't seem to change things. Adjusting the absolute
> position gets a bit tricky because I'm using two different units for the
> dimensions and borders.
My bad, this is actually slightly more complicated. FOP 0.93 is wrong,
FOP 0.95 produces the correct result.
In the separate border model the table border behaves just like any
other border, and takes up some space on the page (unlike in the
collapsing border model where half of it relies in the table’s margin).
Thus, the top of the table’s border coincides with the beginning of the
block-container’s content rectangle, that is, at 0.25in from the top of
the page.
The ‘top’ property sets the distance of the block-container’s
/content-rectangle/ WRT the top of the page. The content-rectangle
doesn’t include the block-container’s border, which then starts at
(0.25in − 0.5pt).
If you want the table’s border to be flush with the other
block-container’s border, then you have to set a negative margin on the
table (−0.25pt in the collapsing border model, −0.5pt in the separate
border model). Or you can also set the ‘top’ property on the
block-container to “0.25in - 0.25pt” (FOP will do the calculation for
you).
> I've attached the PDFs from 0.93 (with no border-collapse specified /
> relevant) and 1.0 (with border-collapse set to separate).
>
> - alex
HTH,
Vincent
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Re: Table and block-container borders 0.93 vs 0.95/1.0
Posted by Alex Zepeda <zi...@sonic.net>.
Vincent Hennebert wrote:
> Set the border-collapse property to ‘separate’, or set a top-margin of
> half the table border. That may not be so simple if you have fancy
> borders on the cells but, in most cases, this is easy to determine.
Ah hah. Setting border-collapse to 'separate' doesn't fix things. With 0.93,
you'll get the double border that is flush with the block-container's border.
With 0.95/1.0 I get the same effect as before, but with a thicker border.
Setting margin-top of the blue block-container doesn't seem to change things.
Adjusting the absolute position gets a bit tricky because I'm using two
different units for the dimensions and borders.
I've attached the PDFs from 0.93 (with no border-collapse specified /
relevant) and 1.0 (with border-collapse set to separate).
- alex
Re: Table and block-container borders 0.93 vs 0.95/1.0
Posted by Vincent Hennebert <vh...@gmail.com>.
Hi Alex,
On 18/11/10 06:57, Alex Zepeda wrote:
> Hi all,
>
> I've been updating some of my templates to work with FOP 1.0. I've
> noticed that the following xsl does not produce the same results with
> FOP 0.95 or 1.0 that it does with 0.93. Now, I know that 0.93 didn't
> support collapsing table borders... but that aside, the outer table
> border on 0.93 is aligned with the block-container border, but is
> mysteriously set about 1/4 point below the table border in 0.95/1.0
>
> Is this intentional behaviour?
Yes. In the collapsing border model half of the border resides in the
table’s margin. And since in your example its margin was left to zero,
this means that half of its border sticks out of the parent
block-container, and encroaches upon the other block-container’s border
rectangle.
> If so, is there some other way than
> futzing with the margins manually to achieve the old-style results?
Set the border-collapse property to ‘separate’, or set a top-margin of
half the table border. That may not be so simple if you have fancy
borders on the cells but, in most cases, this is easy to determine.
> <?xml version="1.0" encoding="ISO-8859-1"?>
> <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
>
> <fo:layout-master-set>
> <fo:simple-page-master page-width="8.5in" page-height="11.0in"
> master-name="page-master">
> <fo:region-body />
> </fo:simple-page-master>
> </fo:layout-master-set>
>
> <fo:page-sequence master-reference="page-master">
>
> <fo:flow flow-name="xsl-region-body">
>
> <fo:block-container top="0.25in" left="1in" width="3.0in"
> height="1in" position="fixed" padding="0pt" margin="0in" border="0.5pt
> solid lightblue">
> <fo:block>TEXT HERE</fo:block>
> </fo:block-container>
>
> <fo:block-container border="0pt" top="0.25in" left="1.75in"
> width="3.0in" height="1in" position="fixed">
> <fo:table border="0.5pt solid black" position="absolute">
> <fo:table-column column-width="0.721in"/>
> <fo:table-body>
> <fo:table-row>
> <fo:table-cell border="0.5pt solid black" height="0.324in">
> <fo:block>CELL</fo:block>
> </fo:table-cell>
> </fo:table-row>
> </fo:table-body>
> </fo:table>
> </fo:block-container>
> </fo:flow>
>
> </fo:page-sequence>
> </fo:root>
>
> - alex
HTH,
Vincent
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