Re: [docbook-apps] mediaobjectco not aligned - bug in fo/graphics.xsl?

["Bob Stayton" <bobs at sagehill dot net>]

Hi,
Could you please file this as a bug report on the DocBook SourceForge
project?

http://sourceforge.net/docman/display_doc.php?docid=27830&group_id=21935

Thanks.

Bob Stayton
Sagehill Enterprises
DocBook Consulting
bobs@sagehill.net


----- Original Message ----- 
From: "Alexander Karnstedt" <alexander_berlin@gmx.de>
To: <docbook-apps@lists.oasis-open.org>
Sent: Thursday, May 12, 2005 5:33 AM
Subject: [docbook-apps] mediaobjectco not aligned - bug in fo/graphics.xsl?


> Recently I've discovered some problem when I try to use the align
attribute
> for imagedata elements that are embedded within
mediaobjectco/imageobjectco.
>
> The align attribute will be ignored for those objects.
>
>          <mediaobjectco>
>            <imageobjectco>
>              <imageobject>
>                <imagedata align="center"
>
fileref="../resources/svg/screenshots/screen-web.svg"
>                           format="SVG" />
>              </imageobject>
>            </imageobjectco>
>          </mediaobjectco>
>
> The fo/graphics.xsl stylesheet expected an imagadata element as child of
> imageobjectco. But imageobjectco can't have imagedata as child. It has to
> be wrapped by imageobject. Thats why the stylesheet can't find an align
> attribute.
>
> To fix this, I've changed the template mediaobject|mediaobjectco ...
>
> from:
>
>    <xsl:variable name="align">
>      <xsl:value-of select="$object/imagedata[@align][1]/@align"/>
>    </xsl:variable>
>
> to:
>
>    <xsl:variable name="align">
>      <xsl:value-of
select="$object/descendant::imagedata[@align][1]/@align"/>
>    </xsl:variable>
>
>
> This leads to another problem when callout lists used within
imageobjectco.
> Because the callouts now have the same alignment as imagedata. That's why
> I've additionally changed the calloutlist template and added an attribute
> text-align="left" to the fo:block element.
>
> <xsl:template match="calloutlist">
>    <xsl:variable name="id">
>    <xsl:call-template name="object.id"/>
>    </xsl:variable>
>    <fo:block id="{$id}" text-align="left">
>      <xsl:if test="title">
>        <xsl:apply-templates select="title" mode="list.title.mode"/>
>      </xsl:if>
>      <!-- Preserve order of PIs and comments -->
>      <xsl:apply-templates
>           select="*[not(self::callout or self::title or
self::titleabbrev)]
>                     |comment()[not(preceding-sibling::callout)]
>
|processing-instruction()[not(preceding-sibling::callout)]"/>
>      <fo:list-block space-before.optimum="1em"
>                     space-before.minimum="0.8em"
>                     space-before.maximum="1.2em"
>                     provisional-distance-between-starts="2.2em"
>                     provisional-label-separation="0.2em">
>        <xsl:apply-templates select="callout
>                                  |comment()[preceding-sibling::calllout]
>
|processing-instruction()[preceding-sibling::callout]"/>
>      </fo:list-block>
>    </fo:block>
> </xsl:template>
>
>
> Regards,
> Alexander Karnstedt
>
>
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