You want to convert your $image to an inline scalar varaible, which IM calls a "blob". Something like this should do it. 
my $blob = $image->ImageToBlob();
#now your image is in the scalar $blob and you can gzip it
#and write it out to file any way you can get to work

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In reply to Re: Gzip content-encoding and PerlMagick by zentara
in thread Gzip content-encoding and PerlMagick by cowgirl

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