Steve Simms > PDF-API2-2.021 > PDF::API2::Basic::PDF::Filter
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Version: 2.021   Source     PDF::API2::Basic::PDF::Filter -
Abstract superclass for PDF stream filters       $f =
PDF::API2::Basic::PDF::Filter->new;     $str = $f->outfilt($str,
1);     print OUTFILE $str;      while (read(INFILE, $dat,
4096))     { $store .= $f->infilt($dat, 0); }     $store .=
$f->infilt("", 1);   A Filter object contains state information
for the process of outputting and inputting data through the
filter. The precise state information stored is up to the
particular filter and may range from nothing to whole objects
created and destroyed.  Each filter stores different state
information for input and output and thus may handle one input
filtering process and one output filtering process at the same
time.    Creates a new filter object with empty state
information ready for processing data both input and output.
$dat = $f->infilt($str, $isend)  Filters from output to