docs/docbook/xslt/db2latex/mediaobject.mod.xsl

   1 <?xml version='1.0'?>
   2 <!--#############################################################################
   3 |       $Id: mediaobject.mod.xsl,v 1.1.2.1 2003/05/01 14:06:15 jelmer Exp $
   4 |- #############################################################################
   5 |       $Author: jelmer $
   6 |
   7 |   PURPOSE: Manage Imageobject related tags.
   8 + ############################################################################## -->
   9
  10 <xsl:stylesheet
  11     xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  12     xmlns:doc="http://nwalsh.com/xsl/documentation/1.0"
  13     exclude-result-prefixes="doc" version='1.0'>
  14
  15
  16
  17     <!--############################################################################# -->
  18     <!-- DOCUMENTATION                                                                -->
  19     <doc:reference id="mediaobject" xmlns="">
  20         <referenceinfo>
  21             <releaseinfo role="meta">
  22                 $Id: mediaobject.mod.xsl,v 1.1.2.1 2003/05/01 14:06:15 jelmer Exp $
  23             </releaseinfo>
  24         <authorgroup>
  25             <author> <firstname>Ramon</firstname> <surname>Casellas</surname> </author>
  26             <author> <firstname>James</firstname> <surname>Devenish</surname> </author>
  27         </authorgroup>
  28             <copyright>
  29                 <year>2000</year> <year>2001</year> <year>2002</year> <year>2003</year>
  30                 <holder>Ramon Casellas</holder>
  31             </copyright>
  32         </referenceinfo>
  33
  34         <title>MediaObjects <filename>mediaobject.mod.xsl</filename></title>
  35         <partintro>
  36             <section><title>Introduction</title>
  37                 <para></para>
  38             </section>
  39         </partintro>
  40     </doc:reference>
  41
  42
  43
  44     <xsl:template match="videoobject">
  45         <xsl:apply-templates select="videodata"/>
  46     </xsl:template>
  47     <xsl:template match="audioobject">
  48         <xsl:apply-templates select="audiodata"/>
  49     </xsl:template>
  50     <xsl:template match="textobject">
  51         <!-- TODO if mixed in with imageobjects, use subfigure (if appropriate) -->
  52         <xsl:apply-templates/>
  53     </xsl:template>
  54
  55
  56     <xsl:template match="mediaobject">
  57                 <xsl:if test="local-name(preceding-sibling::*[1])!='mediaobject'">
  58                         <xsl:text>&#10;</xsl:text>
  59                 </xsl:if>
  60                 <xsl:call-template name="mediacontent"/>
  61                 <xsl:text>&#10;</xsl:text>
  62         </xsl:template>
  63
  64     <xsl:template match="inlinemediaobject">
  65                 <xsl:call-template name="mediacontent"/>
  66         </xsl:template>
  67
  68     <xsl:template name="mediacontent">
  69         <xsl:choose>
  70                 <xsl:when test="count(imageobject)&lt;1">
  71                         <xsl:apply-templates select="textobject[1]"/>
  72                 </xsl:when>
  73                 <xsl:when test="$use.role.for.mediaobject='1' and $preferred.mediaobject.role!='' and count(imageobject[@role='$preferred.mediaobject.role'])!=0">
  74                         <xsl:apply-templates select="imageobject[@role=$preferred.mediaobject.role]"/>
  75                 </xsl:when>
  76                 <xsl:when test="$use.role.for.mediaobject='1' and count(imageobject[@role='latex'])!=0">
  77                         <xsl:apply-templates select="imageobject[@role='latex']"/>
  78                 </xsl:when>
  79                 <xsl:when test="$use.role.for.mediaobject='1' and count(imageobject[@role='tex'])!=0">
  80                         <xsl:apply-templates select="imageobject[@role='tex']"/>
  81                 </xsl:when>
  82                 <xsl:when test="$latex.graphics.formats!='' and count(imageobject/imagedata[@format!=''])!=0">
  83                         <!-- this is not really the right method: formats to the left of $latex.graphics.formats
  84                         should be given higher 'priority' than those to the right in a command-separated list -->
  85                         <xsl:variable name="formats" select="concat(',',$latex.graphics.formats,',')"/>
  86                         <xsl:variable name="candidates" select="imageobject/imagedata[contains($formats,concat(',',@format,','))]"/>
  87                         <xsl:choose>
  88                                 <xsl:when test="count($candidates)!=0">
  89                                         <xsl:apply-templates select="$candidates[1]"/>
  90                                 </xsl:when>
  91                                 <xsl:otherwise>
  92                                         <xsl:variable name="fallbacks" select="imageobject/imagedata[@format='']"/>
  93                                         <xsl:choose>
  94                                                 <xsl:when test="count($fallbacks)!=0">
  95                                                         <xsl:apply-templates select="$fallbacks[1]"/>
  96                                                 </xsl:when>
  97                                                 <xsl:when test="count(textobject)!=0">
  98                                                         <xsl:apply-templates select="textobject[1]"/>
  99                                                 </xsl:when>
 100                                                 <xsl:otherwise>
 101                                                         <xsl:apply-templates select="imageobject[1]"/>
 102                                                 </xsl:otherwise>
 103                                         </xsl:choose>
 104                                 </xsl:otherwise>
 105                         </xsl:choose>
 106                 </xsl:when>
 107                 <xsl:otherwise>
 108                         <xsl:apply-templates select="imageobject[1]"/>
 109                 </xsl:otherwise>
 110         </xsl:choose>
 111     </xsl:template>
 112
 113     <xsl:template match="imageobject">
 114         <xsl:apply-templates select="imagedata"/>
 115     </xsl:template>
 116
 117
 118
 119
 120
 121
 122
 123
 124     <!--############################################################################# -->
 125     <!-- DOCUMENTATION -->
 126     <doc:template match="imagedata" xmlns="">
 127         <refpurpose>XSL template for images.</refpurpose>
 128         <refdescription>
 129             <para></para>
 130             <formalpara><title>Remarks and Bugs</title>
 131                 <itemizedlist>
 132                         <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>
 133                         <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>
 134                         <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>
 135                 </itemizedlist>
 136             </formalpara>
 137         </refdescription>
 138     </doc:template>
 139     <!--############################################################################# -->
 140     <xsl:template match="imagedata">
 141         <xsl:variable name="filename" select="@fileref"/>
 142         <xsl:variable name="ext">
 143             <xsl:call-template name="filename-extension">
 144                 <xsl:with-param name="filename" select="$filename"/>
 145             </xsl:call-template>
 146         </xsl:variable>
 147         <xsl:variable name="imageobjectscnt" select="count(../../..//imageobject)"/>
 148         <xsl:variable name="width">
 149             <xsl:choose>
 150                 <xsl:when test="contains(@width, '%') and substring-after(@width, '%')=''">
 151                     <xsl:value-of select="number(substring-before(@width, '%')) div 100"/>
 152                     <xsl:text>\textwidth</xsl:text>
 153                 </xsl:when>
 154                 <xsl:otherwise>
 155                     <xsl:value-of select="@width"/>
 156                 </xsl:otherwise>
 157             </xsl:choose>
 158         </xsl:variable>
 159         <xsl:if test="$width!='' and (@scalefit='0' or count(@scale)&gt;0)">
 160                 <xsl:text>\makebox[</xsl:text><xsl:value-of select='$width' /><xsl:text>]</xsl:text>
 161         </xsl:if>
 162         <xsl:text>{</xsl:text>
 163         <!-- TODO this logic actually needs to make decisions based on the ALLOWED imagedata,
 164         not all the imagedata present in the source file. -->
 165         <xsl:if test="$imageobjectscnt &gt; 1 and $latex.use.subfigure='1' and count(ancestor::figure) &gt; 0">
 166             <xsl:text>\subfigure[</xsl:text>
 167                 <xsl:if test="count(../../..//caption)&gt;1">
 168                         <xsl:value-of select="../../caption"/>
 169                 </xsl:if>
 170                 <xsl:text>]</xsl:text>
 171         </xsl:if>
 172         <xsl:text>{\includegraphics[</xsl:text>
 173         <xsl:choose>
 174             <xsl:when test="@scale">
 175                 <xsl:text>scale=</xsl:text>
 176                 <xsl:value-of select="number(@scale) div 100"/>
 177             </xsl:when>
 178                 <xsl:when test="$width!='' and @scalefit='1'">
 179                 <xsl:text>width=</xsl:text><xsl:value-of select="normalize-space($width)"/>
 180                 </xsl:when>
 181                 <xsl:when test="@depth!='' and @scalefit='1'">
 182                 <xsl:text>height=</xsl:text><xsl:value-of select="normalize-space(@depth)"/>
 183                 </xsl:when>
 184         </xsl:choose>
 185         <xsl:choose>
 186             <xsl:when test="@format = 'PRN'"><xsl:text>,angle=270</xsl:text></xsl:when>
 187         </xsl:choose>
 188         <xsl:text>]{</xsl:text>
 189         <xsl:choose><!-- package graphicx and DeclareGraphicExtensions will take care of this -->
 190             <xsl:when test="$ext != ''">
 191                 <xsl:value-of select="$filename"/>
 192             </xsl:when>
 193             <xsl:otherwise>
 194                 <xsl:value-of select="$filename"/>
 195             </xsl:otherwise>
 196         </xsl:choose>
 197         <xsl:text>}}}</xsl:text>
 198     </xsl:template>
 199
 200
 201
 202     <xsl:template match="videodata">
 203         <xsl:variable name="filename">
 204             <xsl:call-template name="mediaobject.filename"><xsl:with-param name="object" select=".."/>
 205             </xsl:call-template>
 206         </xsl:variable>
 207         <xsl:variable name="alt">
 208             <xsl:apply-templates select="(../../textobject/phrase)[1]"/>
 209         </xsl:variable>
 210     </xsl:template>
 211
 212     <xsl:template match="audiodata">
 213         <xsl:variable name="filename">
 214             <xsl:call-template name="mediaobject.filename"><xsl:with-param name="object" select=".."/>
 215             </xsl:call-template>
 216         </xsl:variable>
 217         <xsl:variable name="alt">
 218             <xsl:apply-templates select="(../../textobject/phrase)[1]"/>
 219         </xsl:variable>
 220     </xsl:template>
 221
 222
 223     <xsl:template match="caption">
 224         <xsl:apply-templates/>
 225     </xsl:template>
 226
 227 </xsl:stylesheet>