pmml2svg-workinprogress.txt

convert MATHML to SVG

  <!-- ###########################################################################
  munder (formatting)
  ################################################################################ -->
<!--  <xsl:template match="math:munder" mode="formatting">
    <xsl:param name="size"/>
    <xsl:param name="x"/>
        <xsl:param name="y"/>    
    <xsl:param name="baseline" select="0"/>

    <xsl:variable name="child1">
      <xsl:apply-templates select="math:*[1]" mode="formatting">
        <xsl:with-param name="size" select="$size * $sizeMult"/>
        <xsl:with-param name="x" select="$x"/>
        <xsl:with-param name="y" select="$y"/>
      </xsl:apply-templates>
    </xsl:variable>
    <xsl:variable name="child2">
      <xsl:apply-templates select="math:*[2]" mode="formatting">
        <xsl:with-param name="size" select="$size * $sizeMult"/>
        <xsl:with-param name="x" select="$x"/>
        <xsl:with-param name="y" select="$y"/>
      </xsl:apply-templates>
    </xsl:variable>
    <xsl:variable name="numWidth">
      <xsl:value-of select="$child1/*/@t:WIDTH"/>
    </xsl:variable>
    <xsl:variable name="denWidth">
      <xsl:value-of select="$child2/*/@t:WIDTH"/>
    </xsl:variable>
    <xsl:variable name="numHeight">
      <xsl:value-of select="$child1/*/@t:HEIGHT"/>
    </xsl:variable>
    <xsl:variable name="denHeight">
      <xsl:value-of select="$child2/*/@t:HEIGHT"/>
    </xsl:variable>
    <xsl:message>numerator width / height : <xsl:value-of select="$child1/*/@t:WIDTH"/> -
        <xsl:value-of select="$child1/*/@t:HEIGHT"/>
    </xsl:message>
    <xsl:message>denominator width / height : <xsl:value-of select="$child2/*/@t:WIDTH"/> -
        <xsl:value-of select="$child2/*/@t:HEIGHT"/>
    </xsl:message>
    <xsl:variable name="maxWidth">
      <xsl:choose>
        <xsl:when test="number($numWidth) &lt; number($denWidth)">
          <xsl:value-of select="$denWidth * 1.3"/>
        </xsl:when>
        <xsl:otherwise>
          <xsl:value-of select="$numWidth * 1.3"/>
        </xsl:otherwise>
      </xsl:choose>
    </xsl:variable>
    <xsl:variable name="centering" select="($maxWidth - ($maxWidth * (10 div 13))) div 2"/>
    <xsl:variable name="denX">
      <xsl:choose>
        <xsl:when test="number($numWidth) &gt; number($denWidth)">
          <xsl:value-of select="$centering + ((number($numWidth) - number($denWidth)) div 2)"/>
        </xsl:when>
        <xsl:otherwise>
          <xsl:value-of select="$centering"/>
        </xsl:otherwise>
      </xsl:choose>
    </xsl:variable>
    <xsl:variable name="numX">
      <xsl:choose>
        <xsl:when test="number($numWidth) &lt; number($denWidth)">
          <xsl:value-of select="$centering + ((number($denWidth) - number($numWidth)) div 2)"/>
        </xsl:when>
        <xsl:otherwise>
          <xsl:value-of select="$centering"/>
        </xsl:otherwise>
      </xsl:choose>
    </xsl:variable>
    <xsl:message>
      <xsl:value-of select="$numWidth"/> &lt; <xsl:value-of select="$denWidth"/>
    </xsl:message>
    <xsl:message>maxWidth: <xsl:value-of select="$maxWidth"/>
    </xsl:message>
    <xsl:variable name="denY" select="$numHeight + $numHeightDen"/>
    <xsl:copy>
      <xsl:copy-of select="@*"/>
      <xsl:attribute name="t:X">
        <xsl:value-of select="$x"/>
      </xsl:attribute>
      <xsl:attribute name="t:Y">
        <xsl:value-of select="$y"/>
      </xsl:attribute>
      <xsl:attribute name="t:numX">
        <xsl:value-of select="$numX"/>
      </xsl:attribute>
      <xsl:attribute name="t:numHeight">
        <xsl:value-of select="$numHeight"/>
      </xsl:attribute>
      <xsl:message>numHeight : <xsl:value-of select="$numHeight"/>
      </xsl:message>
      <xsl:attribute name="t:denX">
        <xsl:value-of select="$denX"/>
      </xsl:attribute>
      <xsl:attribute name="t:denY">
        <xsl:value-of select="$denY"/>
      </xsl:attribute>
      <xsl:attribute name="t:FONTSIZE">
        <xsl:value-of select="$size"/>
      </xsl:attribute>
      <xsl:attribute name="t:WIDTH">
        <xsl:value-of select="$maxWidth"/>
      </xsl:attribute>
      <xsl:attribute name="t:HEIGHT">
        <xsl:value-of select="$numHeight + $denHeight + $numHeightDen"/>
      </xsl:attribute>
      <xsl:attribute name="t:BASELINE">
        <xsl:value-of select="$y + $numHeight + $denHeight + $numHeightDen"/>
      </xsl:attribute>
      <xsl:message>
        <xsl:value-of select="$numHeight + $denHeight + $numHeightDen"/>
      </xsl:message>
      <xsl:attribute name="t:TEXT">
        <xsl:copy-of select="text()"/>
      </xsl:attribute>
      <xsl:copy-of select="$child1"/>
      <xsl:copy-of select="$child2"/>
    </xsl:copy>
  </xsl:template>-->
  <!-- ###########################################################################
  mover(formatting)
  ################################################################################ -->
 <!-- <xsl:template match="math:mover" mode="formatting">
    <xsl:param name="size"/>
    <xsl:param name="x"/>
        <xsl:param name="y"/>    
    <xsl:param name="baseline" select="0"/>

    <xsl:variable name="child1">
      <xsl:apply-templates select="math:*[2]" mode="formatting">
        <xsl:with-param name="size" select="$size * $sizeMult"/>
        <xsl:with-param name="x" select="$x"/>
        <xsl:with-param name="y" select="$y"/>
      </xsl:apply-templates>
    </xsl:variable>
    <xsl:variable name="child2">
      <xsl:apply-templates select="math:*[1]" mode="formatting">
        <xsl:with-param name="size" select="$size * $sizeMult"/>
        <xsl:with-param name="x" select="$x"/>
        <xsl:with-param name="y" select="$y"/>
      </xsl:apply-templates>
    </xsl:variable>
    <xsl:variable name="numWidth">
      <xsl:value-of select="$child1/*/@t:WIDTH"/>
    </xsl:variable>
    <xsl:variable name="denWidth">
      <xsl:value-of select="$child2/*/@t:WIDTH"/>
    </xsl:variable>
    <xsl:variable name="numHeight">
      <xsl:value-of select="$child1/*/@t:HEIGHT"/>
    </xsl:variable>
    <xsl:variable name="denHeight">
      <xsl:value-of select="$child2/*/@t:HEIGHT"/>
    </xsl:variable>
    <xsl:message>numerator width / height : <xsl:value-of select="$child1/*/@t:WIDTH"/> -
        <xsl:value-of select="$child1/*/@t:HEIGHT"/>
    </xsl:message>
    <xsl:message>denominator width / height : <xsl:value-of select="$child2/*/@t:WIDTH"/> -
        <xsl:value-of select="$child2/*/@t:HEIGHT"/>
    </xsl:message>
    <xsl:variable name="maxWidth">
      <xsl:choose>
        <xsl:when test="number($numWidth) &lt; number($denWidth)">
          <xsl:value-of select="$denWidth * 1.3"/>
        </xsl:when>
        <xsl:otherwise>
          <xsl:value-of select="$numWidth * 1.3"/>
        </xsl:otherwise>
      </xsl:choose>
    </xsl:variable>
    <xsl:variable name="centering" select="($maxWidth - ($maxWidth * (10 div 13))) div 2"/>
    <xsl:variable name="denX">
      <xsl:choose>
        <xsl:when test="number($numWidth) &gt; number($denWidth)">
          <xsl:value-of select="$centering + ((number($numWidth) - number($denWidth)) div 2)"/>
        </xsl:when>
        <xsl:otherwise>
          <xsl:value-of select="$centering"/>
        </xsl:otherwise>
      </xsl:choose>
    </xsl:variable>
    <xsl:variable name="numX">
      <xsl:choose>
        <xsl:when test="number($numWidth) &lt; number($denWidth)">
          <xsl:value-of select="$centering + ((number($denWidth) - number($numWidth)) div 2)"/>
        </xsl:when>
        <xsl:otherwise>
          <xsl:value-of select="$centering"/>
        </xsl:otherwise>
      </xsl:choose>
    </xsl:variable>
    <xsl:message>
      <xsl:value-of select="$numWidth"/> &lt; <xsl:value-of select="$denWidth"/>
    </xsl:message>
    <xsl:message>maxWidth: <xsl:value-of select="$maxWidth"/>
    </xsl:message>
    <xsl:variable name="denY" select="$numHeight + $numHeightDen"/>
    <xsl:copy>
      <xsl:copy-of select="@*"/>
      <xsl:attribute name="t:X">
        <xsl:value-of select="$x"/>
      </xsl:attribute>
      <xsl:attribute name="t:Y">
        <xsl:value-of select="$y"/>
      </xsl:attribute>
      <xsl:attribute name="t:numX">
        <xsl:value-of select="$numX"/>
      </xsl:attribute>
      <xsl:attribute name="t:numHeight">
        <xsl:value-of select="$numHeight"/>
      </xsl:attribute>
      <xsl:message>numHeight : <xsl:value-of select="$numHeight"/>
      </xsl:message>
      <xsl:attribute name="t:denX">
        <xsl:value-of select="$denX"/>
      </xsl:attribute>
      <xsl:attribute name="t:denY">
        <xsl:value-of select="$denY"/>
      </xsl:attribute>
      <xsl:attribute name="t:FONTSIZE">
        <xsl:value-of select="$size"/>
      </xsl:attribute>
      <xsl:attribute name="t:WIDTH">
        <xsl:value-of select="$maxWidth"/>
      </xsl:attribute>
      <xsl:attribute name="t:HEIGHT">
        <xsl:value-of select="$numHeight + $denHeight + $numHeightDen"/>
      </xsl:attribute>
      <xsl:message>