mirror of
https://github.com/jezhiggins/arabica
synced 2024-12-29 22:23:27 +01:00
97 lines
3.2 KiB
XML
97 lines
3.2 KiB
XML
|
<?xml version="1.0" encoding="UTF-8"?>
|
||
|
|
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
|
||
|
|
|
||
|
|
<!-- XSLT Mandelbrot - written by Joel Yliluoma 2007, http://iki.fi/bisqwit/ -->
|
||
|
|
|
||
|
|
<xsl:output method="html" indent="no"
|
||
|
|
doctype-public="-//W3C//DTD HTML 4.01//EN"
|
||
|
|
doctype-system="http://www.w3.org/TR/REC-html40/strict.dtd"
|
||
|
|
/>
|
||
|
|
|
||
|
|
<xsl:template match="/fractal">
|
||
|
|
<html>
|
||
|
|
<head>
|
||
|
|
<title>XSLT fractal</title>
|
||
|
|
<style type="text/css">
|
||
|
|
body { color:#55F; background:#000 }
|
||
|
|
pre { font-family:monospace; font-size:7px }
|
||
|
|
pre span { background:<xsl:value-of select="background" /> }
|
||
|
|
</style>
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
<div style="position:absolute;top:20px;left:20em">
|
||
|
|
Copyright 1992,2007 Joel Yliluoma
|
||
|
|
(<a href="http://iki.fi/bisqwit/">http://iki.fi/bisqwit/</a>)
|
||
|
|
</div>
|
||
|
|
<h1 style="margin:0px">XSLT fractal</h1>
|
||
|
|
<pre><xsl:call-template name="bisqwit-mandelbrot" /></pre>
|
||
|
|
</body>
|
||
|
|
</html>
|
||
|
|
</xsl:template>
|
||
|
|
|
||
|
|
<xsl:template name="bisqwit-mandelbrot">
|
||
|
|
<xsl:call-template name="bisqwit-mandelbrot-line">
|
||
|
|
<xsl:with-param name="y" select="y/min"/>
|
||
|
|
</xsl:call-template>
|
||
|
|
</xsl:template>
|
||
|
|
|
||
|
|
<xsl:template name="bisqwit-mandelbrot-line">
|
||
|
|
<xsl:param name="y"/>
|
||
|
|
<xsl:call-template name="bisqwit-mandelbrot-column">
|
||
|
|
<xsl:with-param name="x" select="x/min"/>
|
||
|
|
<xsl:with-param name="y" select="$y"/>
|
||
|
|
</xsl:call-template>
|
||
|
|
<xsl:if test="$y < y/max">
|
||
|
|
<br/>
|
||
|
|
<xsl:call-template name="bisqwit-mandelbrot-line">
|
||
|
|
<xsl:with-param name="y" select="$y + y/step"/>
|
||
|
|
</xsl:call-template>
|
||
|
|
</xsl:if>
|
||
|
|
</xsl:template>
|
||
|
|
|
||
|
|
<xsl:template name="bisqwit-mandelbrot-column">
|
||
|
|
<xsl:param name="x"/>
|
||
|
|
<xsl:param name="y"/>
|
||
|
|
<xsl:call-template name="bisqwit-mandelbrot-slot">
|
||
|
|
<xsl:with-param name="x" select="$x" />
|
||
|
|
<xsl:with-param name="y" select="$y" />
|
||
|
|
<xsl:with-param name="zr" select="$x" />
|
||
|
|
<xsl:with-param name="zi" select="$y" />
|
||
|
|
</xsl:call-template>
|
||
|
|
<xsl:if test="$x < x/max">
|
||
|
|
<xsl:call-template name="bisqwit-mandelbrot-column">
|
||
|
|
<xsl:with-param name="x" select="$x + x/step"/>
|
||
|
|
<xsl:with-param name="y" select="$y" />
|
||
|
|
</xsl:call-template>
|
||
|
|
</xsl:if>
|
||
|
|
</xsl:template>
|
||
|
|
|
||
|
|
<xsl:template name="bisqwit-mandelbrot-slot">
|
||
|
|
<xsl:param name="x"/>
|
||
|
|
<xsl:param name="y"/>
|
||
|
|
<xsl:param name="zr"/>
|
||
|
|
<xsl:param name="zi"/>
|
||
|
|
<xsl:param name="iter" select="0"/>
|
||
|
|
<xsl:variable name="zrsqr" select="($zr * $zr)"/>
|
||
|
|
<xsl:variable name="zisqr" select="($zi * $zi)"/>
|
||
|
|
<xsl:choose>
|
||
|
|
<xsl:when test="(4*scale*scale >= $zrsqr + $zisqr) and (maxiter > $iter+1)">
|
||
|
|
<xsl:call-template name="bisqwit-mandelbrot-slot">
|
||
|
|
<xsl:with-param name="x" select="$x" />
|
||
|
|
<xsl:with-param name="y" select="$y" />
|
||
|
|
<xsl:with-param name="zi" select="(2 * $zr * $zi) div scale + $y" />
|
||
|
|
<xsl:with-param name="zr" select="($zrsqr - $zisqr) div scale + $x" />
|
||
|
|
<xsl:with-param name="iter" select="$iter + 1" />
|
||
|
|
</xsl:call-template>
|
||
|
|
</xsl:when>
|
||
|
|
<xsl:otherwise>
|
||
|
|
<xsl:variable name="magnitude" select="magnitude[@value=$iter]"/>
|
||
|
|
<span style="color:{$magnitude/color}">
|
||
|
|
<xsl:value-of select="$magnitude/symbol"/>
|
||
|
|
</span>
|
||
|
|
</xsl:otherwise>
|
||
|
|
</xsl:choose>
|
||
|
|
</xsl:template>
|
||
|
|
|
||
|
|
</xsl:stylesheet>
|