Created
February 17, 2011 01:10
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generates EAN13/Code39 barcode easily.
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| plackup -s Starman --port 5000 -MGD::Barcode -MGD::Image -MPlack::Request -e 'my $app = sub { my $q = Plack::Request->new(shift)->query_parameters(); my ($c,$m,$r,$h,$nt) = split(/:/,$q->get("q")||""); my $bc = GD::Barcode->new($m||"EAN13",$c) or return [500,["Content-Type"=>"text/plain"],[$GD::Barcode::errStr]]; my ($i0,$i1) = ($bc->plot(Height=>$h,NoText=>$nt)); my ($w0,$h0) = $i0->getBounds(); my ($w1,$h1) = (int($w0*($r||1)),int($h0*($r||1))); $i1 = GD::Image->new($w1,$h1); $i1->copyResized($i0,0,0,0,0,$w1,$h1,$w0,$h0); return [200,["Content-Type"=>"image/png"],[$i1->png]]; }' |
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