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<title>images on the fly: Examples
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<h1>fly: examples</h1>
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<p> If you are using fly from within a CGI program, here are some examples:</p>
<dl>
<dt><strong>Perl</strong></dt>
<dd><p>If you use perl, you should really use Lincoln Stein's
<a href="http://stein.cshl.org/WWW/software/GD/">GD.pm</a>.</p>
<p>Nevertheless...</p>
<pre>#!/usr/local/bin/perl
$flyprog = "/usr/local/bin/fly";
$outfile = "temp.png";
open(FLY,"| $flyprog -o $outfile ");
print FLY "new\n";
print FLY "size 256,256\n";
print FLY "type png\n";
print FLY "fill 1,1,255,255,255\n";
print FLY "circle 128,128,180,0,0,0\n";
print FLY "fill 128,128,255,255,0\n";
print FLY "arc 128,128,120,120,0,180,0,0,0\n";
print FLY "circle 96,96,10,0,0,0\n";
print FLY "circle 160,96,10,0,0,0\n";
print FLY "fill 96,96,0,0,0\n";
print FLY "fill 160,96,0,0,0\n";
close(FLY);
</pre>
</dd>
<dt><strong>csh</strong></dt>
<dd><pre>
#!/bin/csh
# test out fly!
cat > /tmp/fly.$$ <<EOD
new
size 256,256
type jpeg
fill 1,1,255,255,255
circle 128,128,180,0,0,0
fill 128,128,255,255,0
arc 128,128,120,120,0,180,0,0,0
circle 96,96,10,0,0,0
circle 160,96,10,0,0,0
fill 96,96,0,0,0
fill 160,96,0,0,0
EOD
fly -i /tmp/fly.$$ -o test.jpeg
</pre>
</dd>
<dt>Fly Scripts</dt>
<dd><p>You can even create your own fly "scripts"!</p>
<pre>
#!/usr/local/bin/fly -q
new
size 256,256
type gif
fill 1,1,255,255,255
<etc>
</pre>
<p>Thanks to Andrew Finkenstadt <andyf@simutronics.com> for noting
this unintentional feature of fly.</p>
</dd>
<dt><strong>C</strong>
</dt>
<dd>If you're using C, then you might as well <a
href="http://www.boutell.com/gd/">use gd!!</a>
</dd>
</dl>
<p>Can you guess what the above examples produce?
<a href="example.gif">Here's the answer!</a>
</p>
<p>I have created a Fly Tester CGI program that lets you test fly
commands quickly in a convenient interface. The program is in the
examples directory in the fly distribution.
</p>
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<p class="pagedetails"><tt>Created: 21 June 1995<br />
Last modified: 25 November 2001<br />
Copyright © 1995-2001 <a href="http://martin.gleeson.com/"
class="writtenurl">Martin Gleeson.</a></tt><br />
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class="writtenurl">http://martin.gleeson.com/fly/examples.html</a>></small>
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