<?xml version='1.0'?>
<!--#############################################################################
|- #############################################################################
|
| PURPOSE: Manage Imageobject related tags.
+ ############################################################################## -->
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:doc="http://nwalsh.com/xsl/documentation/1.0"
exclude-result-prefixes="doc" version='1.0'>
<!--############################################################################# -->
<!-- DOCUMENTATION -->
<doc:reference id="mediaobject" xmlns="">
<referenceinfo>
<releaseinfo role="meta">
</releaseinfo>
<authorgroup>
<author> <firstname>Ramon</firstname> <surname>Casellas</surname> </author>
<author> <firstname>James</firstname> <surname>Devenish</surname> </author>
</authorgroup>
<copyright>
<year>2000</year> <year>2001</year> <year>2002</year> <year>2003</year>
<holder>Ramon Casellas</holder>
</copyright>
</referenceinfo>
<title>MediaObjects <filename>mediaobject.mod.xsl</filename></title>
<partintro>
<section><title>Introduction</title>
<para></para>
</section>
</partintro>
</doc:reference>
<xsl:template match="videoobject">
<xsl:apply-templates select="videodata"/>
</xsl:template>
<xsl:template match="audioobject">
<xsl:apply-templates select="audiodata"/>
</xsl:template>
<xsl:template match="textobject">
<!-- TODO if mixed in with imageobjects, use subfigure (if appropriate) -->
<xsl:apply-templates/>
</xsl:template>
<xsl:template match="mediaobject">
<xsl:if test="local-name(preceding-sibling::*[1])!='mediaobject'">
<xsl:text> </xsl:text>
</xsl:if>
<xsl:call-template name="mediacontent"/>
<xsl:text> </xsl:text>
</xsl:template>
<xsl:template match="inlinemediaobject">
<xsl:call-template name="mediacontent"/>
</xsl:template>
<xsl:template name="mediacontent">
<xsl:choose>
<xsl:when test="count(imageobject)<1">
<xsl:apply-templates select="textobject[1]"/>
</xsl:when>
<xsl:when test="$use.role.for.mediaobject='1' and $preferred.mediaobject.role!='' and count(imageobject[@role='$preferred.mediaobject.role'])!=0">
<xsl:apply-templates select="imageobject[@role=$preferred.mediaobject.role]"/>
</xsl:when>
<xsl:when test="$use.role.for.mediaobject='1' and count(imageobject[@role='latex'])!=0">
<xsl:apply-templates select="imageobject[@role='latex']"/>
</xsl:when>
<xsl:when test="$use.role.for.mediaobject='1' and count(imageobject[@role='tex'])!=0">
<xsl:apply-templates select="imageobject[@role='tex']"/>
</xsl:when>
<xsl:when test="$latex.graphics.formats!='' and count(imageobject/imagedata[@format!=''])!=0">
<!-- this is not really the right method: formats to the left of $latex.graphics.formats
should be given higher 'priority' than those to the right in a command-separated list -->
<xsl:variable name="formats" select="concat(',',$latex.graphics.formats,',')"/>
<xsl:variable name="candidates" select="imageobject/imagedata[contains($formats,concat(',',@format,','))]"/>
<xsl:choose>
<xsl:when test="count($candidates)!=0">
<xsl:apply-templates select="$candidates[1]"/>
</xsl:when>
<xsl:otherwise>
<xsl:variable name="fallbacks" select="imageobject/imagedata[@format='']"/>
<xsl:choose>
<xsl:when test="count($fallbacks)!=0">
<xsl:apply-templates select="$fallbacks[1]"/>
</xsl:when>
<xsl:when test="count(textobject)!=0">
<xsl:apply-templates select="textobject[1]"/>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="imageobject[1]"/>
</xsl:otherwise>
</xsl:choose>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="imageobject[1]"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="imageobject">
<xsl:apply-templates select="imagedata"/>
</xsl:template>
<!--############################################################################# -->
<!-- DOCUMENTATION -->
<doc:template match="imagedata" xmlns="">
<refpurpose>XSL template for images.</refpurpose>
<refdescription>
<para></para>
<formalpara><title>Remarks and Bugs</title>
<itemizedlist>
<listitem><para>If both <literal>@width</literal> and <literal>@scale</literal> are given but <literal>@scalefit='0'</literal>, whitespace is added to the left and right in order to match the specified width.</para></listitem>
<listitem><para>If <literal>@width</literal> is given and either <literal>@scalefit=1</literal> or no <literal>@scale</literal> is given, then the image is scale to <literal>@width</literal>. Otherwise, <literal>@scale</literal> is used, if it is present.</para></listitem>
<listitem><para>If this is not the only <literal>imagedata</literal> within the figure, this will be rendered as a 'subfigure', including the <literal>caption</literal> of its enclosing <literal>mediaobject</literal>.</para></listitem>
</itemizedlist>
</formalpara>
</refdescription>
</doc:template>
<!--############################################################################# -->
<xsl:template match="imagedata">
<xsl:variable name="filename" select="@fileref"/>
<xsl:variable name="ext">
<xsl:call-template name="filename-extension">
<xsl:with-param name="filename" select="$filename"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="imageobjectscnt" select="count(../../..//imageobject)"/>
<xsl:variable name="width">
<xsl:choose>
<xsl:when test="contains(@width, '%') and substring-after(@width, '%')=''">
<xsl:value-of select="number(substring-before(@width, '%')) div 100"/>
<xsl:text>\textwidth</xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="@width"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:if test="$width!='' and (@scalefit='0' or count(@scale)>0)">
<xsl:text>\makebox[</xsl:text><xsl:value-of select='$width' /><xsl:text>]</xsl:text>
</xsl:if>
<xsl:text>{</xsl:text>
<!-- TODO this logic actually needs to make decisions based on the ALLOWED imagedata,
not all the imagedata present in the source file. -->
<xsl:if test="$imageobjectscnt > 1 and $latex.use.subfigure='1' and count(ancestor::figure) > 0">
<xsl:text>\subfigure[</xsl:text>
<xsl:if test="count(../../..//caption)>1">
<xsl:value-of select="../../caption"/>
</xsl:if>
<xsl:text>]</xsl:text>
</xsl:if>
<xsl:text>{\includegraphics[</xsl:text>
<xsl:choose>
<xsl:when test="@scale">
<xsl:text>scale=</xsl:text>
<xsl:value-of select="number(@scale) div 100"/>
</xsl:when>
<xsl:when test="$width!='' and @scalefit='1'">
<xsl:text>width=</xsl:text><xsl:value-of select="normalize-space($width)"/>
</xsl:when>
<xsl:when test="@depth!='' and @scalefit='1'">
<xsl:text>height=</xsl:text><xsl:value-of select="normalize-space(@depth)"/>
</xsl:when>
</xsl:choose>
<xsl:choose>
<xsl:when test="@format = 'PRN'"><xsl:text>,angle=270</xsl:text></xsl:when>
</xsl:choose>
<xsl:text>]{</xsl:text>
<xsl:choose><!-- package graphicx and DeclareGraphicExtensions will take care of this -->
<xsl:when test="$ext != ''">
<xsl:value-of select="$filename"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$filename"/>
</xsl:otherwise>
</xsl:choose>
<xsl:text>}}}</xsl:text>
</xsl:template>
<xsl:template match="videodata">
<xsl:variable name="filename">
<xsl:call-template name="mediaobject.filename"><xsl:with-param name="object" select=".."/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="alt">
<xsl:apply-templates select="(../../textobject/phrase)[1]"/>
</xsl:variable>
</xsl:template>
<xsl:template match="audiodata">
<xsl:variable name="filename">
<xsl:call-template name="mediaobject.filename"><xsl:with-param name="object" select=".."/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="alt">
<xsl:apply-templates select="(../../textobject/phrase)[1]"/>
</xsl:variable>
</xsl:template>
<xsl:template match="caption">
<xsl:apply-templates/>
</xsl:template>
</xsl:stylesheet>