Man pages sections > man3 > Barcode::ZBar::ImageScanner

Barcode::ZBar::ImageScanner - scan images for bar codes

ZBar::ImageScanner(3pm) User Contributed Perl Documentation ZBar::ImageScanner(3pm)

NAME

Barcode::ZBar::ImageScanner - scan images for bar codes

SYNOPSIS

    use Barcode::ZBar;
    
    my $scanner = Barcode::ZBar::ImageScanner->new();
    $scanner->parse_config('i25.disable');
    $scanner->scan_image($image);

DESCRIPTION

A Barcode::ZBar::ImageScanner is used to scan for bar codes in a Barcode::ZBar::Image.

REFERENCE

Methods

new()
Create a new bar code image scanner instance.
get_results()
Return a list of Barcode::ZBar::Symbol results from the last scanned image.
scan_image([image])
Scan a Barcode::ZBar::Image for bar codes. The image must be in the "Y800" format. If necessary, use " $image->convert("Y800")" to convert from other supported formats to Y800 before scanning.
enable_cache([enable])
Enable the inter-image result consistency cache.
parse_config(configstr)
Apply a decoder configuration setting. See the documentation for "zbarcam"/"zbarimg" for available configuration options.
recycle_image([image])
Remove previously decoded results from a Barcode::ZBar::Image and recycle the associated memory.

SEE ALSO

Barcode::ZBar, Barcode::ZBar::Image, zbarimg(1), zbarcam(1)
http://zbar.sf.net

AUTHOR

Jeff Brown, <spadix@users.sourceforge.net> Copyright 2008-2009 (c) Jeff Brown <spadix@users.sourceforge.net>
The ZBar Bar Code Reader is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
2017-07-22 perl v5.26.0