There is no function in XSLT that can return the value of the current font-size, but
there is in XSL-FO. The distinction is that XSLT functions are processed by the XSLT
processor such as Saxon or xsltproc, and XSL-FO functions are processed by the XSL-FO
processor such as FOP or XEP. The XSLT processor does not know what the "current"
font-size is, but the XSL-FO processor does.
Depending on your processor, it may support the inherited-property-value() function
described in the XSL standard. Since FOP 0.95 claims to support it, I suspect most do.
See:
http://www.w3.org/TR/xsl/#d0e5961
Bob Stayton
Sagehill Enterprises
[email protected]
----- Original Message -----
From: "Jacques Foucry" <[email protected]>
To: "docbook-apps" <[email protected]>
Sent: Friday, March 05, 2010 6:09 AM
Subject: [docbook-apps] Access to ancestor Font-size definition
On 18 avr. 2008, at 01:20, Bob Stayton wrote:
Hello,
A long time ago I had a problem for resizing fonts in different context and Bob gave
me this answer which until today.
<fo:inline xmlns:fo="http://www.w3.org/1999/XSL/Format"; font-family="LucidaGrande"
font-weight="normal">
<xsl:attribute name="font-size">
<xsl:choose>
<xsl:when test="ancestor::title
or ancestor::literal
or ancestor::filename
or ancestor::programlisting
or ancestor::literallayout">0.9em</xsl:when>
<xsl:otherwise>0.8em</xsl:otherwise>
</xsl:choose>
</xsl:attribute>
I found that in some case the font-size is too big or too small. So I tried to correct
by using, instead of 0.9em size the ancestor font-size and a value. The first problem
is to access to the ancestor font size :
<xsl:attribute name="font-size">
<xsl:choose>
<xsl:when test="ancestor::d:title
or ancestor::d:info
or ancestor::d:literal
or ancestor::d:filename
or ancestor::d:programlisting
or ancestor::d:literallayout"><xsl:value-of
select="ancestor::?????"/></xsl:when>
<xsl:otherwise>0.75em</xsl:otherwise>
</xsl:choose>
</xsl:attribute>
And I don't know what to put to replace my ?????
May be I'm on the wrong way, but I have no other ideas.
Thanks in advance for your help,
Jacques
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