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ZBar/Processor.pod  view on Meta::CPAN

standard Perl closure or by manually passing a scalar via I<closure>.

=item is_visible()

=item set_visible([I<visible>])

Test/set visibility of the output window.

=item set_active([I<active>])

Enable/disable video streaming and scanning for bar codes.

=item get_results()

Return a list of Barcode::ZBar::Symbol results from the last scanned
image or video frame.

=item user_wait([I<timeout>])

Wait for the user to press a key/button or close the window.  Bar
codes will continue to be processed if video is active.