64 lines
1.4 KiB
PHP
64 lines
1.4 KiB
PHP
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<?php
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$w=$_GET["w"]*1;
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$h=$_GET["h"]*1;
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if ($w==0) $w=40;
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if ($h==0) $h=30;
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$iw=$w-(($w-(sqrt($w/2*$w/2+$w*$w)-$w/2))*2);
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$pw=($w-$iw)/2;
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$ih=$h-(($h-(sqrt($h/2*$h/2+$h*$h)-$h/2))*2);
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$ph=($h-$ih)/2;
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?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3c.org/1999/xhtml" xml:lang="da">
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<head>
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<title>Golden section</title>
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<style type='text/css'>
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body {
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font:18px arial;
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}
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input {
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width:30px;
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}
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#box {
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width:<?php echo $w*10; ?>px;
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height:<?php echo $h*10; ?>px;
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border:1px solid #000;
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position:relative;
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margin-top:20px;
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}
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#sw {
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width:<?php echo $iw*10; ?>px;
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height:<?php echo $h*10; ?>px;
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border:1px solid #000;
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border-width:0 1px 0 1px;
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position:absolute;
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left:<?php echo $pw*10-1; ?>px;
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}
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#sh {
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width:<?php echo $w*10; ?>px;
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height:<?php echo $ih*10; ?>px;
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border:1px solid #000;
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border-width:1px 0 1px 0;
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position:absolute;
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top:<?php echo $ph*10-1; ?>px;
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}
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</style>
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</head>
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<body>
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<form action='gldnsctn.php' method='get'>
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Width: <input type='text' name='w' value='<?php echo $w; ?>' /><br />
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Height: <input type='text' name='h' value='<?php echo $h; ?>' /><br />
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<input type='submit' value='Submit' style='width:auto' />
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</form>
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<div id='box'>
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<div id='sw'></div>
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<div id='sh'></div>
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</div>
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</body>
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</html>
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