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

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