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Posted to fop-users@xmlgraphics.apache.org by _zachary_ <zd...@mac.com> on 2008/05/23 19:39:23 UTC
Fop.94 MathML Fonts Not Changing
I have set up my conf file for fop and use it via the -c option. I have
specified my custom font in the pdf renderer, and the font does not seem to
change my MathML instream-objects? Am I doing something wrong, or does fop
not change the font of my MathML stuff?
my conf file
============================
<?xml version="1.0"?>
<!-- NOTE: This is the version of the configuration -->
<fop version="1.0">
<base>./</base>
<font-base>fonts</font-base>
<source-resolution>72</source-resolution>
<target-resolution>72</target-resolution>
<use-cache>true</use-cache>
<cache-file>cache/fop.cache</cache-file>
<renderers>
<renderer mime="application/pdf">
<filterList>
<value>flate</value>
</filterList>
<fonts>
<font-triplet name="DejaVu"
style="normal" weight="normal"/>
<font-triplet name="DejaVu"
style="normal" weight="bold"/>
<font-triplet name="DejaVu"
style="italic" weight="bold"/>
<font-triplet name="DejaVu"
style="italic" weight="normal"/>
</fonts>
</renderer>
<renderer mime="image/svg+xml">
<format type="paginated"/>
<link value="true"/>
<strokeText value="false"/>
</renderer>
<renderer mime="application/awt">
</renderer>
<renderer mime="image/png">
<!--transparent-page-background>true</transparent-page-background-->
</renderer>
<renderer mime="image/tiff">
<!--transparent-page-background>true</transparent-page-background-->
<!--compression>CCITT T.6</compression-->
</renderer>
<renderer mime="text/xml">
</renderer>
<renderer mime="text/plain">
<pageSize columns="80"/>
</renderer>
</renderers>
</fop>
sample file
================================================
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format"
xmlns:m="http://www.w3.org/1998/Math/MathML" font-family="DejaVu"
font-size="16pt">
<fo:layout-master-set>
<fo:simple-page-master master-name="only">
<fo:region-body region-name="xsl-region-body" margin="0.7in"/>
<fo:region-before region-name="xsl-region-before" extent="0.7in"
display-align="before"/>
<fo:region-after region-name="xsl-region-after"
display-align="after" extent="0.7in"/>
</fo:simple-page-master>
</fo:layout-master-set>
<fo:page-sequence master-reference="only">
<fo:flow flow-name="xsl-region-body">
<fo:block>
A sample equation:
<fo:instream-foreign-object>
<m:math>
<m:mrow>
<m:mrow>
<m:mo>(</m:mo>
<m:mrow>
<m:mn>6</m:mn>
<m:msup>
<m:mi>y</m:mi>
<m:mn>3</m:mn>
</m:msup>
<m:mo>+</m:mo>
<m:mn>2</m:mn>
<m:msup>
<m:mi>y</m:mi>
<m:mn>2</m:mn>
</m:msup>
<m:mo>−</m:mo>
<m:mi>y</m:mi>
<m:mo>−</m:mo>
<m:mn>12</m:mn>
</m:mrow>
<m:mo>)</m:mo>
</m:mrow>
</m:mrow>
</m:math>
</fo:instream-foreign-object>
</fo:block>
</fo:flow>
</fo:page-sequence>
</fo:root>
========================================================
NOTE: That the font size of the mathml does not change either. Is this
supposed to happen?
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Re: Fop.94 MathML Fonts Not Changing
Posted by Vincent Hennebert <vi...@anyware-tech.com>.
Hi,
_zachary_ wrote:
> I have set up my conf file for fop and use it via the -c option. I have
> specified my custom font in the pdf renderer, and the font does not seem to
> change my MathML instream-objects? Am I doing something wrong, or does fop
> not change the font of my MathML stuff?
>
> my conf file
> ============================
>
> <font-triplet name="DejaVu" style="normal" weight="normal"/>
> <font-triplet name="DejaVu" style="normal" weight="bold"/>
> <font-triplet name="DejaVu" style="italic" weight="bold"/>
> <font-triplet name="DejaVu" style="italic" weight="normal"/>
You have to surround each font-triplet element with a font element:
<font kerning="yes" embed-url="/path/to/DejaVuSans.ttf">
<font-triplet name="DejaVu" style="normal" weight="normal"/>
</font>
But instead you can simply point to the directory that contains the
DejaVu fonts:
<directory>/path/to/deja/vu/fonts/</directory>
and all the variants will be automatically configured. (Then you will
also have to change the font-family property in the FO file to
‘DejaVuSans’, or ‘DejaVuSerif’, for example.)
> NOTE: That the font size of the mathml does not change either. Is this
> supposed to happen?
I think this is not implemented in the Jeuclid plug-in for FOP 0.94
(this should be available in the version that will be compatible with
the upcoming 0.95 release). As a workaround, you have to add an mstyle
element:
<m:math>
<m:mstyle mathsize="16pt">
<m:mrow>
...
</m:mrow>
</m:mstyle>
</m:math>
See also the following thread on the jeuclid-users mailing list:
http://sourceforge.net/mailarchive/forum.php?thread_name=x8tsl1ln8e7.fsf%40tool.montefiore.ulg.ac.be&forum_name=jeuclid-users
HTH,
Vincent
--
Vincent Hennebert Anyware Technologies
http://people.apache.org/~vhennebert http://www.anyware-tech.com
Apache FOP Committer FOP Development/Consulting
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Re: Fop.94 MathML Fonts Not Changing
Posted by Andreas Delmelle <an...@telenet.be>.
On May 27, 2008, at 18:55, _zachary_ wrote:
Hi
> I am using the jeuclid plugin for fop.
> Where would I override a bind() method? The files are .jar, so I
> can't really modify them. Maybe this is a
> jeuclid issue?
Just checked, and the code for the extension is located in the FOP
repository:
http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/examples/mathml/
src/org/apache/fop/mathml/
The file MathMLElement.java is the 'extension node' I was talking
about. processNode() is already overridden.
To gain access to the font-related properties, you could add an
override like:
public void bind(PropertyList pList) {
CommonFont fontProps = pList.getFontProps();
...
}
CommonFont then, has accessors for the first font-family, an array of
all specified font-families, font-size etc.
Somehow this info needs to make its way to the SVG document that is
created.
If you succeed in making the necessary modifications, of course we'd
welcome a patch... ;-)
HTH!
Andreas
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Re: Fop.94 MathML Fonts Not Changing
Posted by _zachary_ <zd...@mac.com>.
Hey Andreas,
I am using the jeuclid plugin for fop. Where would I override a bind()
method? The files are .jar, so I can't really modify them. Maybe this is a
jeuclid issue?
~ zach
Andreas Delmelle-2 wrote:
>
> On May 23, 2008, at 19:39, _zachary_ wrote:
>
> Hi
>
>> I have set up my conf file for fop and use it via the -c option. I
>> have
>> specified my custom font in the pdf renderer, and the font does not
>> seem to
>> change my MathML instream-objects? Am I doing something wrong, or
>> does fop
>> not change the font of my MathML stuff?
>
> I'm afraid I can't be of much help here, as I don't know the code of
> the MathML extension by heart.
>
> Anyway: in theory, the extension node does have access to the
> inherited Common Font properties, so it should be possible to route
> this info through to Batik (which is used in the background: the
> MathML is converted to SVG). This would be possible by overriding the
> bind() method in the extension node.
>
>
> Cheers
>
> Andreas
>
>
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>
>
>
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Re: Fop.94 MathML Fonts Not Changing
Posted by Andreas Delmelle <an...@telenet.be>.
On May 23, 2008, at 19:39, _zachary_ wrote:
Hi
> I have set up my conf file for fop and use it via the -c option. I
> have
> specified my custom font in the pdf renderer, and the font does not
> seem to
> change my MathML instream-objects? Am I doing something wrong, or
> does fop
> not change the font of my MathML stuff?
I'm afraid I can't be of much help here, as I don't know the code of
the MathML extension by heart.
Anyway: in theory, the extension node does have access to the
inherited Common Font properties, so it should be possible to route
this info through to Batik (which is used in the background: the
MathML is converted to SVG). This would be possible by overriding the
bind() method in the extension node.
Cheers
Andreas
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