NAME

       Barcode::ZBar::Image - image object to scan for bar codes

SYNOPSIS

           use Barcode::ZBar;

           my $image = Barcode::ZBar::Image->new();
           $image->set_format('422P');
           $image->set_size(114, 80);
           $image->set_data($raw_bits);

           my @symbols = $image->get_symbols();

DESCRIPTION

       Barcode::ZBar::Image is used to pass images to the bar code scanner.  It wraps raw image data with the
       meta-data required to interpret it (size, pixel format, etc)

   Image Formats
       Image data formats are represented by (relatively) standard "Four Character Codes" (fourcc), represented
       by four character strings in Perl.  A list of supported formats is available on the project wiki.

       Examples:

       • 'GREY' - single 8bpp intensity plane

       • 'BGR3' - 24bpp packed RGB component format

       • 'YUYV' - 12bpp packed luminance/chrominance (YCbCr) format

REFERENCE

   Methods
       new()
           Create a new Barcode::ZBar::Image object.  The size, pixel format and data must be defined before the
           object may be used.

       get_format()
       set_format(format)
           Return/specify the fourcc code corresponding to the image pixel format.

       get_sequence()
       set_sequence(seq_num)
           Return/specify the video frame or page number associated with the image.

       get_size()
       set_size(width, height)
           Return/specify the (width, height) image size tuple.

       get_data()
       set_data(raw)
           Return/specify the raw image data as a binary string.

       get_symbols()
           Return a list of scanned Barcode::ZBar::Symbol results attached to this image.

       convert(format)
           Return a new Barcode::ZBar::Image object converted to the indicated fourcc format.  Returns "undef"
           if the conversion is not supported.  Conversion complexity ranges from CPU intensive to trivial
           depending on the formats involved.  Note that only a few conversions retain color information.

SEE ALSO

       Barcode::ZBar, Barcode::ZBar::Image, Barcode::ZBar::Symbol

       zbarimg(1), zbarcam(1)

       http://zbar.sf.net

AUTHOR

       Jeff Brown, <spadix@users.sourceforge.net>

COPYRIGHT AND LICENSE

       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.